1 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
6 when calling MEM_COPY_ATTRIBUTES.
7 * emit-rtl.c (operand_subword, change_address): Likewise.
8 * explow.c (stabilize): Likewise.
9 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
10 * integrate.c (copy_rtx_and_substitute): Likewise.
11 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
12 when calling MEM_COPY_ATTRIBUTES.
13 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
15 * cse.c (gen_lowpart_if_possible): Likewise.
16 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
17 * optabs.c (gen_move_insn): Likewise.
18 * recog.c (validate_replace_rtx_1): Likewise.
19 * simplify-rtx.c (add_mem_for_addr): Likewise.
20 * stmt.c (expand_anon_union_decl): Likewise.
21 * config/arm/arm.md: Likewise.
22 * config/h8300/h7300.c (fix_bit_operand): Likewise.
23 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
24 (block_move_no_loop, block_move_sequence): Likewise.
25 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
26 * config/alpha/alpha.c (get_aligned_mem): Likewise.
28 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
31 2000-05-03 Robert Lipe <robertlipe@usa.net>
33 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
35 (i[34567]86-*-sco3.2v5*) Likewise.
36 (i[34567]86-*-sco3.2v4*) Likewise.
37 (i[34567]86-*-sco) Likewise.
38 (i[34567]86-*-solaris2) Likewise.
39 (i[34567]86-*-sysv5*) Likewise.
40 (i[34567]86-*-sysv4*) Likewise.
41 (i[34567]86-*-udk*) Likewise.
42 (i[34567]86-*-sysv*) Likewise.
44 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
46 * cpphash.h (U): New define, to correct type of string constants.
47 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
48 routines, to do casts when passing unsigned strings to libc.
49 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
51 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
52 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
53 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
54 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
55 second argument an U_CHAR *.
57 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
58 length field, clean up initializer.
59 (ISTABLE): Add __extension__ to designated-
61 * cpplex.c (CHARTAB): Likewise.
63 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
64 case so the file won't be empty.
66 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
68 * bb-reorder.c (struct reorder_block_def): Member succ removed.
69 (REORDER_BLOCK_SUCC): Removed.
70 (enum reorder_skip_type): Removed.
71 (skip_insns_between_block): Renamed to skip_insns_after_block.
72 Removed second argument. Removed dead code and cleaned up.
73 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
74 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
75 second parameter to skip_insns_after_block.
77 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
79 * tree.c (staticp, case LABEL_DECL): New case.
81 2000-05-03 Richard Henderson <rth@cygnus.com>
83 * Makefile.in (start.encap): Do not depend on LIBGCC1.
85 * mklibgcc1.in: Fix typo last change.
87 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
89 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
90 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
92 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
93 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
94 objc/Make-lang.in: Use it.
96 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
98 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
100 2000-05-03 Richard Henderson <rth@cygnus.com>
102 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
103 LIBGCC1 empty with libgcc1.null.
105 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
107 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
110 2000-05-03 Greg McGary <gkm@gnu.org>
112 * tree.h (tree_common): Add bounded_flag member. Remove
113 inaccurate comment about number of remaining bits.
114 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
115 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
116 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
117 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
118 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
119 (TYPE_QUAL_BOUNDED): New constant.
120 (TYPE_QUALS): Handle bounded qualifier.
121 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
122 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
123 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
124 TYPE_AMBIENT_BOUNDEDNESS): New macros.
125 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
126 (tree_type): Add pointer_depth member. Remove
127 inaccurate comment about number of remaining bits.
128 (DECL_POINTER_DEPTH): Add macro.
129 (tree_decl): Add pointer_depth member.
131 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
133 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
134 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
135 (lshrhi3_out): Likewise.
136 (ashrsi3_out): bugfix in shift by 8.
137 (test_hard_reg_class): New function.
138 * config/avr/avr.md: Bugfix inside conditions in peepholes.
139 (ashlhi3): removed define_expand of this pattern.
140 (*ashlhi3_insn): renamed to ashlhi3.
141 (ashlsi3): removed define_expand of this pattern.
142 (*ashlsi3_insn): renamed to ashlsi3.
143 (ashrqi3): removed define_expand of this pattern.
144 (*ashrqi3_insn): renamed to ashrqi3.
145 (ashrhi3): removed define_expand of this pattern.
146 (*ashrhi3_insn): renamed to ashrhi3.
147 (ashrsi3): removed define_expand of this pattern.
148 (*ashrsi3_insn): renamed to ashrsi3.
149 (lshrhi3): removed define_expand of this pattern.
150 (*lshrhi3_insn): renamed to lshrhi3.
151 (lshrsi3): removed define_expand of this pattern.
152 (*lshrsi3_insn): renamed to lshrsi3.
154 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
156 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
157 inclusion of "system.h".
159 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
161 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
164 2000-05-03 David Mosberger <davidm@hpl.hp.com>
166 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
168 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
169 -mconstant-gp is in effect and function-descriptors are being used
170 to make indirect calls.
171 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
172 (MASK_AUTO_PIC): Ditto.
173 (TARGET_CONST_GP): Ditto.
174 (TARGET_AUTO_PIC): Ditto.
175 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
176 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
177 -mno-pic is in effect.
178 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
179 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
180 -mauto-pic is in effect.
181 (gprel64_offset): New pattern.
182 (load_gprel64): Ditto.
183 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
184 -mconstant-gp is in effect, no need to preserve gp around direct
187 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
188 (FUNCTION_PROFILER): Define.
189 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
190 @fptr() directive when -mno-pic or -mauto-pic is in effect.
191 (ASM_OUTPUT_DESTRUCTOR): Ditto.
193 2000-05-03 Richard Henderson <rth@cygnus.com>
195 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
196 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
197 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
198 (mklibgcc, libgcc.mk): New targets.
199 (libgcc.a): Use libgcc.mk.
200 (stmp-multilib): Likewise.
201 (stmp-multilib-sub): Remove.
202 (mostlyclean): Don't delete libgcc2 temp files.
203 * configure.in (AC_PROG_CC_C_O): Add.
204 (NO_MINUS_C_MINUS_O): Substitute it.
205 (all_outputs): Add mklibgcc.
206 * mklibgcc.in: New file.
208 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
210 * cppexp.c (op_t): Make an int.
212 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
214 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
216 * gensupport.c (process_rtx): Fix macros used.
218 2000-05-03 Richard Henderson <rth@cygnus.com>
220 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
221 call-clobbered registers of a call.
223 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
225 * gensupport.c: New file.
226 * gensupport.h: New file.
227 * Makefile.in (HOST_RTL): Depend on gensupport.
228 (gensupport.o) New rule.
229 * genattr.c: Use gensupport for reading .md files.
230 * genattrtab.c: Ditto.
232 * genconfig.c: Ditto.
234 * genextract.c: Ditto.
236 * genopinit.c: Ditto.
237 * genoutput.c: Ditto.
240 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
241 * md.texi (Insn Splitting): Document define_insn_and_split.
243 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
245 * flow.c (verify_flow_info): Added two more sanity checks. The
246 first checks that the blocks are numbered consecutively. The second
247 checks that n_basic_blocks is actually equal to the number of
248 basic blocks in the insn chain.
250 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
252 * cpplib.h: Add accessor macros for token lists.
253 * cpplib.c, cpphash.c, cpplex.c: Use them.
255 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
257 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
258 memory usage if not in a function.
259 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
260 return address if static.
262 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
264 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
265 whether address may trap.
267 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
269 * bb-reorder (chain_reorder_blocks): Changed code to test for
270 EDGE_FALLTHRU rather than making erroneous assumption that the
271 first outgoing edge is the fall-through edge.
273 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
275 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
276 ABI for varargs, across all MIPS. This is incompatible because the
277 va_list (__builtin_va_list) structure is different, so a compilation
278 unit passing a va_list and a compilation unit being passed one, should
279 both be compiled with the same ABI. (The old structure had two
280 pointers, now it has three.)
282 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
284 * bb-reorder.c (struct reorder_block_def): Remove members end,
285 block_begin, and block_end.
286 (REORDER_BLOCK_OLD_END): Delete.
287 (REORDER_BLOCK_BEGIN): Delete.
288 (REORDER_BLOCK_END): Delete.
289 (chain_reorder_blocks): Remove dead code.
291 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
293 * bb-reorder.c (remove_scope_notes): Check for both types of scope
294 notes as the end of a basic block before deleting.
296 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
298 * final.c (final_start_function): Fix spelling of "necessary".
300 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
302 * toplev.c (debug_ignore_block): Return int.
303 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
304 * toplev.h, dwarf2out.h: Adjust.
305 * emit-rtl.c (remove_unnecessary_notes): Test return value.
307 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
308 * toplev.c, final.c, rtl.h: Adjust.
310 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
312 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
313 * configure.in: Look for makeinfo in the unified tree, then
314 for a system makeinfo which is sufficiently new.
315 * Makefile.in: If configure says makeinfo is too old, don't
316 build or install Info documentation.
318 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
320 * cpphash.c (collect_params): Fix off-by-one error.
321 (dump_hash_helper): Dump all four macro nodetypes.
323 2000-05-02 Jakub Jelinek <jakub@redhat.com>
325 * cpphash.c (trad_stringify): Adjust p after stringification as
328 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
330 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
331 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
333 * cppfiles.c (file_cleanup): Delete.
334 * cpphash.c (macro_cleanup): Delete.
335 (collect_objlike_expansion, collect_funlike_expansion,
336 macarg, scan_arguments): Remove CPP_POP case.
338 * cpplex.c (null_cleanup): Delete.
339 (cpp_pop_buffer): Do the work that was done in the cleanups
340 here. Call _cpp_unwind_if_stack from here.
341 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
342 cpp_scan_buffer): Run until we see CPP_EOF and the top of
343 stack is the buffer _below_ the one we stacked.
344 (cpp_get_token): Always pop an exhausted buffer. Return
345 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
346 * cpplib.c (skip_if_group): Don't call cpp_get_token to
347 increment the line number.
348 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
350 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
351 we see CPP_EOF and the top of stack is the buffer _below_ the
353 * scan-decls.c: Likewise.
355 2000-05-02 Andrew Haley <aph@cygnus.com>
357 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
358 where this function is called for the second time on a decl that
359 has had its section info changed in such a way as to move it out
361 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
363 2000-05-01 Richard Henderson <rth@cygnus.com>
365 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
366 the sequence we're moving, not to merge_bb->head.
368 2000-05-01 Richard Henderson <rth@cygnus.com>
370 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
371 reference to alpha/t-linux.
372 (alpha*-*-linux-gnu*): Likewise.
373 * configure: Rebuild.
375 * calls.c (expand_call): Don't emit reg notes for a sibcall.
377 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
380 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
382 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
384 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
387 2000-05-01 Richard Henderson <rth@cygnus.com>
389 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
390 emit_conditional_move.
392 2000-05-01 Jakub Jelinek <jakub@redhat.com>
394 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
395 as the dynamic linker.
397 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
399 * cppfiles.c (open_include_file): Open file in blocking mode.
400 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
401 Only exclude block devices and directories.
403 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
404 static. Allocate the hashnode and its string in the same
406 (del_HASHNODE): Don't free h->name.
407 (_cpp_lookup): If there is no entry for this string, create
409 (_cpp_lookup_slot): Delete.
410 * cpphash.h: Update prototypes.
412 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
414 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
415 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
416 node here, just fill in the value field properly. "Delete"
417 entries by setting the value field to T_VOID. Check for
418 hp->type == T_VOID, not hp == NULL.
420 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
421 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
424 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
426 * config/mn10300/mn10300.c (print_operand_address): Do not add
429 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
430 adjusted by less than 256 bytes, use ret regardless of having any
431 callee-saved register to restore.
433 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
435 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
437 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
439 * config/i386/djgpp.h (INT_ASM_OP): Define.
440 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
441 (ASM_WEAKEN_LABEL): Define.
442 (MASK_BNU210): Define.
443 (SUBTARGET_SWITCHES): Define.
444 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
445 (MAKE_DECL_ONE_ONLY): Define.
446 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
448 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
450 * i386/cygwin.h (INT_ASM_OP): Define.
452 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
454 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
455 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
457 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
459 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
460 __tmp_reg__ and __zero_reg__ initialization.
462 2000-04-30 Richard Henderson <rth@cygnus.com>
464 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
466 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
467 referenced bewteen the condition and the jump. Don't delete
468 anything but the jump.
470 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
472 * bb-reorder.c (scope_def): New struct.
473 (scope_forest_info): New struct.
474 (struct reorder_block_def): New member "scope".
475 (REORDER_BLOCK_SCOPE): New macro.
476 (relate_bbs_with_scopes): New function and prototype.
477 (make_new_scope): Likewise.
478 (build_scope_forest): Likewise.
479 (remove_scope_notes): Likewise.
480 (insert_intra_1): Likewise.
481 (insert_intra_bb_scope_notes): Likewise.
482 (insert_inter_bb_scope_notes): Likewise.
483 (rebuild_scope_notes): Likewise.
484 (free_scope_forest_1): Likewise.
485 (free_scope_forest): Likewise.
486 (dump_scope_forest): Likewise.
487 (dump_scope_forest_1): Likewise.
488 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
489 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
491 (reorder_basic_blocks): Added calls to build_scope_scope_forest
492 and remove_scope_notes before reordering is done. Added calls to
493 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
494 after reordering is done.
496 2000-40-30 Bruce Korb <bkorb@gnu.org>
498 * fixinc/inclhack.def: Added definitions needed by OSR5,
499 removed two stale entries (defined away with OLD_CPP).
500 * fixinc/inclhack.sh: regen
501 * fixinc/fixincl.x: regen
503 2000-04-30 Richard Henderson <rth@cygnus.com>
505 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
506 from the last insn in the sequence.
508 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
510 * cpplex.c (cpp_idcmp): New function.
511 * cpplib.h: Prototype it.
512 * scan_decls.c (scan_decls): Use it to inspect token names.
513 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
514 the file being run through the preprocessor.
515 (check_macro_names): Provide length of token to cpp_defined.
517 * Makefile.in: Remove stale warning message.
519 * cppfiles.c (redundant_include_p): Provide length of token to
521 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
522 values are unsigned int.
523 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
524 (_cpp_lookup_slot): Do not calculate the hash, either.
525 * cpphash.h: Update prototypes.
526 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
527 Hashes are unsigned int. Calculate hash here, pass by value
530 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
532 * simplify-rtx.c (check_value_useless): Delete function.
533 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
535 (cselib_invalidate_regno): Likewise.
536 (cselib_invalidate_mem_1): Likewise.
537 (references_value_p): Recognize useless values by the fact that they
539 (discard_useless_values): Likewise.
540 (cselib_record_set): This may turn a useless value
543 2000-04-30 Richard Henderson <rth@cygnus.com>
545 * config/d30v: New port.
547 * configure.in (d30v-*): Set fp format.
548 * configure: Rebuild.
550 2000-04-30 Richard Henderson <rth@cygnus.com>
553 * Makefile.in (OBJS): Add it.
554 (ifcvt.o): New target.
555 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
556 and conditional arithmetic.
557 (find_insert_position): Remove.
558 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
559 * toplev.c (DFI_ce, DFI_ce2): New.
560 (dump_file): Add ce and ce2 dumps.
561 (rest_of_compilation): Run if_convert a couple o times. Set
562 cse_not_expected after cse2. Don't set no_new_pseudos until
563 after sched1 or recompute_reg_usage.
565 2000-04-30 Richard Henderson <rth@cygnus.com>
567 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
568 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
570 2000-04-30 Richard Henderson <rth@cygnus.com>
572 * flow.c (struct reg_cond_life_info): New.
573 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
574 (init_propagate_block_info): Initialize them.
575 (free_propagate_block_info): Destruct them.
576 (mark_set_1): Consider conditional life before killing a register.
577 (mark_regno_cond_dead): New.
578 (free_reg_cond_life_info): New.
579 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
580 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
581 (mark_used_reg): Record conditional life.
583 * haifa-sched.c (schedule_insns): Disable death counting
584 sanity check for HAVE_conditional_execution.
586 2000-04-30 Richard Henderson <rth@cygnus.com>
588 * Makefile.in (TIMEVAR_H): New.
589 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
590 (timevar.h): Remove rule.
592 2000-04-29 Richard Henderson <rth@cygnus.com>
594 * config/alpha/crtend.asm: Use C comments instead of #.
595 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
597 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
599 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
601 * cpphash.h (enum node_type: Take out T_MCONST.
602 (union hashval): Move into struct hashnode.
603 (struct hashnode): Pack tighter. Remove file, line, col
605 * cpphash.c: Constify most of the macro-definition structures.
606 (struct definition): Replace by struct object_defn
607 and struct funct_defn. Put file, line, column information
608 here. All users updated to match.
609 (_cpp_create_definition, _cpp_macroexpand): Remove special
610 case for #define WORD OTHERWORD.
611 * cpplib.c (do_undef): Remove T_MCONST case.
613 * cpphash.h: Move struct reflist, struct definition, and the
614 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
615 union hashval. _cpp_free_definition takes a HASHNODE pointer.
616 * cpphash.c (_cpp_free_definition): Free data pointed to by
617 MCONST, XCONST, MACRO, and FMACRO nodes properly.
618 (_cpp_create_definition, del_HASHNODE): Just call
619 _cpp_free_definition to clear out a hashnode.
620 * cpplib.c (do_pragma_poison): Likewise.
622 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
624 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
625 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
626 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
627 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
628 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
629 REGNO_AM33_P): Redefine in terms of the new macros.
630 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
631 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
632 STRUCT_VALUE): Likewise.
633 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
634 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
636 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
638 * regmove.c (struct record_stack_memrefs_data): New.
639 (record_stack_memrefs): New function.
640 (combine_stack_adjustments_for_block): Use it.
642 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
644 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
645 use special_function_p to detect alloca.
647 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
649 * gcc.texi: Fixes for makeinfo 4.0 --html.
651 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
653 * pcp.h: Delete file.
655 2000-04-28 Kazu Hirata <kazu@hxi.com>
657 * h8300.c (function_epilogue): Clean up flags when the last insn
658 in a function is a barrier.
660 2000-04-28 Chris Demetriou <cgd@sibyte.com>
662 * configure.in (sparc-hal-solaris2*): protect [] glob from
664 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
665 rather than hard-coded constants in target_cpu_default2.
666 * configure: Regenerate.
668 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
670 * tree.c (get_callee_fndecl): Extract the initial value from
673 2000-04-28 Richard Henderson <rth@cygnus.com>
675 * varasm.c (record_constant_1): Record the CODE_LABEL when
676 taking the address of a LABEL_REF.
678 2000-04-28 Richard Henderson <rth@cygnus.com>
679 Jan Hubicka <jh@suse.cz>
681 * calls.c (combine_pending_stack_adjustment_and_call): Return the
682 adjustment; don't do the stack adjust.
683 (expand_call): Call compute_argument_block_size right before
684 allocating the block; update comment; don't do alignment sanity
685 checking for sibling call; use args_size instead of
686 unadjusted_args_size before args_size is adjusted. Use
687 combine_pending_stack_adjustment_and_call to compute stack adjust
688 for must_preallocate case.
690 * expr.c (push_block): Remove shadow `temp' in inner scope.
692 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
694 * toplev.c (rest_of_compilation): Call
695 note_deferral_of_defined_inline_function even if the function
698 2000-04-28 Scott Bambrough <scottb@netwinder.org>
700 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
702 2000-04-28 Richard Henderson <rth@cygnus.com>
704 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
706 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
708 * timevar.c (init_timevar): DeANSIfy function definition.
710 2000-04-27 Alex Samuel <samuel@codesourcery.com>
712 * Makefile.in (timevar.o): Depend on flags.h.
713 * timevar.c (unused_stack_instances): New variable.
714 (timevar_push): Take a timevar_stack_def from
715 unused_stack_instances if available.
716 (timevar_pop): Push the popped timevar_stack_def onto
717 unused_stack_instances.
718 (TIMEVAR_ENABLE): New macro.
719 (timevar_def): Make standalone a 1-bit field. Add field used.
720 (get_time): Rename parameter to now. Return after clearing it if
722 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
723 (timevar_pop): Likewise.
724 (timevar_stop): Likewise.
725 (timevar_push): Likewise. Mark the timing variable as used.
726 (timevar_start): Likewise.
727 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
728 timevars that were never used.
730 2000-04-27 Mark Mitchell <mark@codesourcery.com>
732 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
733 always TREE_READONLY.
735 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
737 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
738 for call instruction with mode QImode.
740 2000-04-27 Alex Samuel <samuel@codesourcery.com>
742 * Makefile.in (OBJS): Add timevar.o.
743 (toplev.o): Depend on timevar.h.
744 (ggc-simple.o): Likewise.
745 (ggc-page.o): Likewise.
746 (timevar.o): New rule.
747 (timevar.h): New rule.
749 * timevar.h: New file.
750 * timevar.c: Likewise.
751 * timevar.def: Likewise.
753 * toplev.h (gc_time, parse_time, varconst_time): Remove.
754 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
756 (TIMEVAR): Remove macro.
757 (gc_time, parse_time, varconst_time, integration_time, jump_time,
758 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
759 flow_time, combine_time, regmove_time, sched_time,
760 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
761 sched2_time, dbr_sched_time, reorder_blocks_time,
762 rename_registers_time, shorten_branch_time, stack_reg_time,
763 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
765 (compile_file): Don't initialize time variables. Call
766 init_timevar and start TV_TOTAL timer. Call timevar_print instead
767 of many calls to print_time.
768 (rest_of_compilation): Add timing for reload_cse_regs.
769 (get_run_time): Removed to timevar.c.
770 (print_time): Likewise.
771 (get_run_time): Implement using TV_TOTAL time variable.
772 (print_time): Get total run time from get_run_time.
773 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
774 computing elapsed time explicitly.
775 * ggc-simple.c (ggc_collect): Likewise.
776 (gc_time): Remove declaration.
778 2000-04-27 Mark Mitchell <mark@codesourcery.com>
780 * calls.c (combine_pending_stack_adjustment_and_call): New function.
781 (expand_call): Use it.
783 2000-04-27 Jan Hubicka <jh@suse.cz>
785 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
788 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
790 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
793 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
795 * function.c (epilogue_done): Pass whole insn to record_insns.
797 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
799 * cse.c (CSE_ADDRESS_COST): Remove.
800 (find_best_addr): Add new parameter "MODE", use address_cost instead
803 (fold_rtx): Update call of find_best_addr.
804 * rtl.h (address_cost): Declare.
805 * loop.c (general_induction_var): Add new parameter "MODE", use
806 address_cost instead of ADDRESS_COST
807 (init_loop): Use address_cost instead of ADDRESS_COST.
808 (check_insn_for_givs): Update call of general_induction_var.
809 (find_mem_givs): Likewise.
810 (consec_sets_giv): Likewise.
811 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
812 * i386.c (ix86_address_cost): New.
813 * i386-protos.h (ix86_address_cost): Declare.
815 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
817 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
820 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
822 * expr.c (store_expr): Use clear_storage instead of direct memset
825 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
827 * config/mn10300/mn10300.c (mn10300_address_cost): Test
828 ASHIFT, AND and LABEL_REF.
830 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
832 * invoke.texi (-foptimize-sibling-calls): Fix.
834 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
836 * loop.c (load_mems) Don't use hard registers for the hoisting.
838 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
839 calculation; rename const_equiv array in the preconditioning code
840 from loop_unroll to loop_unroll_precondition
842 2000-04-27 Richard Henderson <rth@cygnus.com>
844 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
846 (propagate_one_insn): Clear it. Don't update reg_live here.
847 (init_propagate_block_info): Update for pbi member changes.
848 (free_propagate_block_info): Likewise.
849 (mark_set_1): Know that zero_extract, sign_extract, and
850 strict_low_part don't kill their argument. Alter hard subregs.
851 Update new_set for non-CLOBBER sets. Update reg_live.
852 (find_auto_inc): Update reg_live, not new_dead.
853 (mark_used_reg): Update reg_live, not new_live. Examine new_set
854 to determine if the reg in question was set this insn. Only update
855 reg info with PROP_REG_INFO.
857 2000-04-26 Richard Henderson <rth@cygnus.com>
859 * flow.c (allocate_reg_life_data): Set max_regno here ...
860 (life_analysis): ... not here.
862 * flow.c (calculate_global_regs_live): Force stack pointer
865 2000-04-26 Richard Henderson <rth@cygnus.com>
867 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
868 commit change group changes.
869 (invert_exp_1): Similarly.
870 (redirect_exp, invert_exp): Use them.
871 (redirect_jump_1): New.
872 (invert_jump_1): New.
873 (jump_optimize_1): Remove code subsumed by condexec.c.
874 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
876 2000-04-26 Richard Henderson <rth@cygnus.com>
878 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
880 * genconfig.c (main): Set all HAVE_foo to 1.
882 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
884 2000-04-26 Alex Samuel <samuel@codesourcery.com>
886 * invoke.texi: Document -fssa flag.
888 2000-04-26 Richard Henderson <rth@cygnus.com>
890 * flow.c (count_reg_sets_1): Remove.
891 (count_reg_sets, count_reg_references): Remove.
892 (recompute_reg_usage): Implement with update_life_info.
893 Reallocate life data.
895 2000-04-26 Richard Henderson <rth@cygnus.com>
897 * flow.c (update_life_info): Consider blocks null to mean the
899 (calculate_global_regs_live): Likewise.
900 (life_analysis): Do that instead of collecting all_blocks.
902 2000-04-26 Richard Henderson <rth@cygnus.com>
904 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
905 a still-valid conditional jump.
907 2000-04-26 Richard Henderson <rth@cygnus.com>
909 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
911 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
912 * flow.c (calculate_loop_depth): Remove.
913 * output.h (calculate_loop_depth): Don't declare.
914 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
915 inline; run estimate_probability at the same time.
917 2000-04-26 Neil Booth <NeilB@earthling.net>
919 * cpplib.h: "~=" is not a single pp-token.
920 * cpplex.c: Correct commentary.
922 2000-04-26 Richard Henderson <rth@cygnus.com>
924 * flow.c (mark_set_1): New arguments code and flags; update all
925 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
926 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
927 loop_depth when optimizing for size. Do new_dead update after
928 emitting REG_UNUSED notes. Merge mark_set_reg code.
929 (mark_set_reg): Remove.
930 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
931 arrange to not emit REG_UNUSED notes.
933 2000-04-26 Richard Henderson <rth@cygnus.com>
935 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
936 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
938 2000-04-26 Richard Henderson <rth@cygnus.com>
940 * flow.c (propagate_one_insn): Break out from propagate_block.
941 (init_propagate_block_info): Likewise.
942 (free_propagate_block_info): Likewise.
943 (propagate_block): Use them. Export.
944 * basic-block.h: Declare them all.
946 2000-04-26 Richard Henderson <rth@cygnus.com>
948 * basic-block.h (life_analysis): Declare here ...
949 * output.h: ... not here.
950 * flow.c (life_analysis): Remove nregs parameter; replace
951 remove_dead_code with flags. Remove ssa dead code check.
952 Only init alias analysis if we'll use it.
953 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
954 * ssa.c (convert_to_ssa): Likewise.
955 (convert_from_ssa): Likewise.
956 * toplev.c (rest_of_compilation): Likewise.
958 2000-04-26 Richard Henderson <rth@cygnus.com>
960 * flow.c (flow_delete_block): Rename from delete_block. Export.
961 * basic-block.h (flow_delete_block): Declare.
963 2000-04-26 David S. Miller <davem@redhat.com>
965 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
966 taking a PATTERN of it.
968 2000-04-26 <NeilB@earthling.net>
970 * cpplex.c (spell_other, spell_char): Remove.
972 (token_spelling, trigraph_map): Use unsigned chars.
973 (_cpp_lex_line): Tidy up the switch statement.
974 * cpplib.h: Implement spell_char with spell_string.
977 2000-04-26 <RodneyBrown@pmsc.com>
979 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
980 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
982 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
984 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
985 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
986 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
987 dwarf2out_return_save, dwarf2out_return_reg,
988 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
989 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
990 gen_compile_unit_die, dwarf2out_init): Constify a char*.
992 * dwarf2out.h (dwarf2out_init): Likewise.
994 * dwarfout.c (filename_entry, primary_filename, last_filename,
995 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
997 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
998 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
999 dwarf2out_return_reg): Likewise.
1001 2000-04-26 Andreas Jaeger <aj@suse.de>
1003 * extend.texi (Function Attributes): Fix description of pure
1006 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1008 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
1009 before calling rest_of_compilation.
1011 2000-04-26 Andreas Jaeger <aj@suse.de>
1013 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
1016 2000-04-25 Richard Henderson <rth@cygnus.com>
1018 * cse.c (cse_insn): Emit barrier after unconditional jump.
1020 * calls.c (expand_call): Disable tail call generation once
1021 rtx_equal_function_value_matters is false.
1023 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
1026 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
1028 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
1030 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
1032 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
1033 is the primary DIE for a member function.
1034 (gen_decl_die): Call set_decl_origin_self here.
1035 * dwarfout.c (output_decl): And here.
1036 * integrate.c (output_inline_function): Not here.
1037 Don't clear DECL_INLINE until after calling rest_of_compilation.
1038 (set_decl_origin_self): No longer static.
1039 * tree.h: Add prototype.
1040 * toplev.c (note_deferral_of_defined_inline_function): Only write
1041 out abstract instance for actual inlines.
1043 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
1045 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
1046 EXTENDED_REGS only if TARGET_AM33.
1047 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
1048 SP_REGS to register allocation and reloading unless absolutely
1050 (movsi3): Remove special-case of adding non-constants to SP.
1052 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1054 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
1055 INCLUDES to search and does not provide any of its own. Also it
1056 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
1057 parameters. Also it does not call AC_DEFINE.
1058 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
1059 AC_DEFINE and provides for automatic entries for autoheader.
1060 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
1062 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
1063 so we can pass -I flags and include gansidecl.h/system.h in this
1066 * acconfig.h: Delete all NEED_DECLARATION_* entries.
1068 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1070 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1071 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1072 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
1074 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
1075 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
1076 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
1077 for these macros. Clean up spacing and linewraps.
1079 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
1081 * calls.c (expand_call): Use get_callee_fndecl.
1083 * print-tree.c (print_node): Print the chain of an _EXPR.
1085 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
1086 Jim Wilson <wilson@cygnus.com>
1087 Andrew Haley <aph@cygnus.com>
1089 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
1090 and gp save/restore problems.
1091 * config/ia64/crtend.asm: Add IA-64 unwind support.
1092 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
1093 in fr_pad_size calculation.
1094 (save_restore_insns): Move PR save area. Correct uses of
1095 RTX_FRAME_RELATED_P.
1096 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
1097 (ia64_expand_epilogue): Add eh_epilogue support.
1098 (ia64_function_prologue): Emit .prologue directive.
1099 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
1100 (ia64_override_options): Set init_machine_status and
1101 mark_machine_status.
1102 (rtx_needs_barrier): Handle bsp reads and writes.
1103 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
1104 New static variables.
1105 (process_set, process_for_unwind_directive): New functions.
1106 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
1107 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
1108 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
1110 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
1111 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
1112 (struct machine_function): Define.
1113 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
1115 2000-04-25 Bruce Korb <bkorb@gnu.org>
1117 * fixinc/Makefile.in: make the removal of old programs more
1119 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
1120 install-bin and install-sh
1122 2000-04-25 Nick Clifton <nickc@cygnus.com>
1124 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
1125 defined, define to return zero.
1126 (function_cannot_inline_p): If a function has any target
1127 specific attributes, then use the macro
1128 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
1129 whether it can be inlined. If it cannot, issue a suitable
1132 * tm.texi: Add a new node 'Inlining' to document the new macro
1133 FUNCTION_ATTRIBUTE_INLINABLE_P.
1135 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
1137 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
1140 2000-04-25 Neil Booth <NeilB@earthling.net>
1142 Restore previous patch, plus the following fixes:
1144 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
1145 flags, not CPP_OPEN_PAREN.
1146 * cpplex.c (expand_token_space, init_token_list,
1147 cpp_free_token_list): Put the dummy token at list->tokens[-1].
1148 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
1150 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1152 * config/i386/freebsd.h (INT_ASM_OP): Define.
1154 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
1156 * loop.c (strength_reduce): Fix typo in the last checkin.
1158 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1160 * stor-layout.c (finalize_record_size): Simplify to use existing
1162 (compute_record_mode): No longer static.
1163 * tree.h (compute_record_mode): New declaration.
1165 2000-04-25 Neil Booth <NeilB@earthling.net>
1167 * Revert my patch below until cause of build failures
1170 2000-04-25 Richard Henderson <rth@cygnus.com>
1172 * combine.c (combine_instructions): Add missing argument
1175 * toplev.c (rest_of_compilation): Delay sibcall optimization
1176 until after emit_eh_context.
1178 2000-04-24 Nick Clifton <nickc@redhat.com>
1180 * combine.c (combine_instructions): Do not try to combine a
1181 sequence of insns when the second insn has been replaced by a
1184 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
1186 * gcc.c (load_specs): New static function.
1187 (read_specs): Use it.
1189 * gcc.c (lookup_compiler): Make multiple passes for case
1190 insensitive filesystems.
1192 2000-04-24 Neil Booth <NeilB@earthling.net>
1194 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
1195 * cpphash.h (_cpp_check_directive): new.
1196 * cpplex.c (handle_newline, cpp_free_token_list,
1197 init_trigraph_map, trigraph_ok, trigraph_replace,
1198 backslash_start, skip_block_comment, skip_line_comment,
1199 skip_whitespace, parse_name, parse_number, parse_string,
1200 copy_comment, _cpp_lex_line, spell_char, spell_string,
1201 spell_comment, spell_name, spell_other, _cpp_lex_file,
1202 _cpp_output_list): new.
1203 (expand_name_space): take length argument.
1204 (init_token_list): add comment list initialisation.
1205 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
1206 instead of HSPACE_BEFORE.
1208 * cpplib.c (_cpp_check_directive): new
1209 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
1210 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
1211 (HSPACE_BEFORE): delete.
1212 (TTYPE_TABLE): rearrange.
1213 (struct cpp_toklist): update.
1215 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1217 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
1218 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
1219 argument form of AC_DEFINE.
1221 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
1222 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
1223 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
1224 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
1225 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
1227 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
1229 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1231 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
1232 deduced.h): Use -isystem, not -I, for including system headers.
1234 2000-04-24 Nick Clifton <nickc@cygnus.com>
1236 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
1237 the source register is the frame pointer or arg pointer.
1238 (addsi3_small_int): Disallow if source register is the frame
1239 pointer or arg pointer.
1241 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1243 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
1244 call to AC_MSG_RESULT.
1246 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1248 * invoke.texi: Correct grammatical errors, document
1249 -fno-gnu-keywords as identical to -fno-asm for C++.
1251 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1253 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
1254 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
1255 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
1256 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
1257 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
1259 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
1260 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
1261 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
1262 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
1265 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
1267 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
1268 (pop_alignment): Likewise.
1269 (handle_pragma_token): Likewise.
1271 2000-04-24 Robert Lipe <robertlipe@usa.net>
1273 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
1275 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
1277 * combine.c (try_combine): Update reg_nonzero_bits of
1278 newi2pat before newpat.
1280 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
1282 * loop.c (strength_reduce): Simplify test to INSN_P.
1283 (record_giv): Attempt to simplify the add value, use CONSTANT_P
1284 expressions instead of CONST_INT.
1285 (express_from_1): Likewise.
1287 2000-04-24 Mark Mitchell <mark@codesourcery.com>
1289 * regs.h (reg_n_max): Don't declare.
1290 * flow.c (reg_n_max): Don't define.
1291 * regclass.c (renumber): Don't initialize to zero.
1292 (regno_allocated): Likewise.
1293 (reg_n_max): Define.
1294 (allocate_reg_info): Don't initialize unnecessarily.
1296 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
1298 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
1299 and blockage_p in the newly allocated attribute.
1301 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
1303 * config/mn10300/mn10300.md (addsi): `inc4' on address
1304 registers does not modify cc, but `inc' on an extended
1307 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
1309 * reload.c (find_equiv_reg): Checks all valueno regs
1310 as a reload_reg_p regs.
1312 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1314 * cpphash.c (collect_objlike_expansion): Add sanity check.
1315 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
1316 the buffer is the empty string, return. Mark __DATE__ and
1317 __TIME__ as XCONST nodes, not MCONST.
1318 (_cpp_macroexpand): Avoid pushing an empty buffer.
1319 (funlike_macroexpand): Don't pop token_buffer here.
1321 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
1323 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
1324 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
1325 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
1326 (REGNO_OK_FOR_BASE_P): Define in terms of them.
1327 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
1328 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
1329 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
1331 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
1333 * loop.c (simplify_giv_expr): Be more agressive on simplifying
1336 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
1338 * cpphash.h (struct definition): Move file, line, col members...
1339 (struct hashnode): ... here. Also add 'disabled' flag.
1340 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
1341 T_IDENTITY. Remove T_DISABLED.
1344 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
1345 (collect_expansion): Split into collect_objlike_expansion and
1346 collect_funlike_expansion.
1347 (_cpp_macroexpand): Split out scan_arguments, stringify, and
1348 funlike_macroexpand.
1349 (_cpp_compare_defs): Rename compare_defs, make static.
1350 (_cpp_make_hashnode): Initialize hp->disabled.
1351 (macro_cleanup): Adjust for new token types. Clear
1353 (_cpp_create_definition): Move code here to determine what
1354 sort of macro it is, and code to check for redefinitions, from
1355 do_define. Implement a few simple cases without creating a
1357 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
1358 Handle the simple cases.
1359 (push_macro_expansion): Set buf->has_escapes and hp->disabled
1362 * cppinit.c (builtin_array): Change MCONST to XCONST
1364 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
1365 fix check for disabled and function-like macros.
1366 * cpplib.c (do_define): Move most logic to
1367 _cpp_create_definition.
1368 (do_undef): Handle new special token types.
1370 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
1372 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
1373 of CONSTANT_P for mult_val; always use validate_change to update insn.
1375 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
1377 * cpphash.c (trad_stringify, add_pat): New functions.
1378 (collect_expansion): Restore support for -traditional syntax.
1379 Use trad_stringify and add_pat.
1380 (_cpp_macroexpand): Restore support for -traditional semantics.
1381 * cpplex.c (_cpp_scan_line): Don't change space_before if we
1382 get a COMMENT token.
1383 (_cpp_lex_token): Provide COMMENT tokens to caller if
1384 traditional and parsing_define_directive.
1385 (skip_comment): Warn about // comments if -Wtraditional.
1386 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
1388 (do_undef): Don't warn about undefining EMPTY nodes.
1390 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1392 * loop.c (strength_reduce): Fix biv removal code.
1394 2000-04-22 Richard Henderson <rth@cygnus.com>
1396 * predict.c (estimate_probability): Examine both sides of
1397 a branch for no exits. Use 90% not 50% for predict taken.
1398 Reorg for one copy of note generation code.
1400 2000-04-22 Richard Henderson <rth@cygnus.com>
1402 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
1404 2000-04-22 Richard Henderson <rth@cygnus.com>
1406 * diagnostic.c (init_output_buffer): Don't initialize format_args.
1407 (output_clear): Likewise.
1408 (output_printf): Use va_copy.
1409 (vline_wrapper_message_with_location): Likewise.
1410 (v_message_with_decl): Likewise.
1411 (line_wrapper_printf): VA_START infor buffer.format_args directly.
1412 * system.h (va_copy): Provide default implementation.
1414 2000-04-22 Richard Henderson <rth@cygnus.com>
1416 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
1417 the collected condition is not a constant.
1419 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
1421 * diagnostic.h: New file.
1423 * Makefile.in (diagnostic.o): Depends on diagnostic.h
1425 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
1426 various function prototypes.
1427 (diagnostic.h): #include.
1428 (struct output_buffer): Move into diagnostic.h.
1429 (get_output_prefix): Rename to output_get_prefix. Export.
1430 (init_output_buffer): Export. Break out. Ajust intialization.
1431 (output_space_left, output_append): Export.
1432 (output_newline): Rename to output_add_newline. Export.
1433 (output_clear): Nullify additional output_buffer fields.
1434 (output_puts): Rename to output_add_string. Export.
1435 (dump_output): Rename to output_flush_on. Export.
1436 (build_location_prefix): Constify return-type.
1437 (emit_output_prefix): Rename to output_emit_prefix. Export.
1438 (set_real_maximum_length): New function.
1439 (output_set_maximum_length): Ditto
1440 (output_clear): Ditto.
1441 (output_add_character): Ditto.
1442 (output_add_integer): Ditto.
1443 (output_add_space): Ditto.
1444 (output_format): Ditto.
1445 (output_printf): Adjust buffer initialization.
1446 (vline_wrapper_message_with_location): Ditto.
1447 (v_message_with_decl): Ditto. Adjust call to output_puts
1448 and get_output_prefix.
1449 (default_print_error_function): Adjust buffer intialization.
1451 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1453 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
1456 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
1458 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
1461 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
1463 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
1464 accurate data about SP moves.
1466 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
1468 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
1469 aliases to AM33 registers.
1471 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
1473 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
1474 to all EXTENDED bitmaps.
1476 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
1478 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
1479 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
1480 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
1482 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
1484 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
1485 the operand is not constant.
1487 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
1489 * reload.c (find_equiv_reg): Checks all valueno and regno regs
1490 as a call-clobbered regs.
1492 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1494 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
1496 * rtl.def: Update comment.
1497 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
1498 * integrate.c (expand_inline_function): Likewise.
1499 * profile.c (branch_prob): Likewise.
1500 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
1501 * print-rtl.c (print_rtx): Likewise.
1502 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
1503 (reemit_notes): Likewise; also use enum insn_note.
1505 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
1506 (place_field): Properly compute know and actual alignment.
1508 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
1511 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
1514 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
1516 * cpphash.c (struct arg, struct arglist): Const-ify strings.
1517 (warn_trad_stringify, duplicate_arg_p): New helper functions.
1518 (collect_expansion): Rewrite to scan over a token list.
1519 Remove -traditional support.
1520 (collect_formal_parameters): Rename to collect_params; rewrite
1521 to scan over a token list.
1522 (_cpp_create_definition): Adjust to scan a token list.
1523 (_cpp_macroexpand): Remove -traditional support.
1524 (_cpp_compare_defs): Whitespace is now canonicalized.
1525 (comp_def_part): Delete function.
1527 * cpphash.h: Update prototypes.
1528 * cpplex.c (init_token_list): Don't set lineno if there is no
1530 (pedantic_whitespace): New function.
1531 (_cpp_scan_line): Mark tokens that had hspace before. Don't
1532 consume a newline. Use pedantic_whitespace.
1533 (_cpp_lex_token): Remove support for -traditional macros.
1534 (_cpp_get_define_token): Delete.
1535 (_cpp_get_directive_token): Do the real work here. Use
1536 pedantic_whitespace.
1537 (_cpp_init_input_buffer): Initialize pfile->directbuf.
1539 * cpplib.c (get_macro_name): Delete.
1540 (do_define): Read the entire line into pfile->directbuf, then
1541 feed the token list to _cpp_create_definition.
1542 * cpplib.h (HSPACE_BEFORE): new define.
1543 (struct cpp_reader): Add a toklist member, "directbuf".
1545 * predict.c (estimate_probability): New heuristic: if a jump
1546 branches around a block with no successors, predict it taken.
1547 Disentangle control flow.
1549 2000-04-20 Richard Henderson <rth@cygnus.com>
1551 * loop.c (emit_iv_add_mult): Revert last change.
1553 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1555 * cpplib.h (enum cpp_ttype): Add token types for all
1556 punctuators. Distinguish pp-numbers from valid C numbers.
1557 Give some tokens better names. Initialize from macro.
1558 (struct cpp_name, cpp_token, cpp_toklist): New data
1561 * cpplex.c (bump_column, expand_name_space,
1562 expand_token_space, init_token_list, cpp_output_list,
1563 _cpp_scan_line): New functions.
1564 (output_line_command): Add third argument, new line number.
1565 * cpphash.h: Update prototypes.
1566 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
1569 2000-04-20 Richard Henderson <rth@cygnus.com>
1571 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
1573 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
1575 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
1578 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
1580 * loop.c (emit_iv_add_mult): Simplify it's input and emit
1581 REG_EQUAL note explaining the calculated value.
1583 * calls.c (expand_call): Avoid unnecesary precalculation
1584 and outgoing parameters space guarding for sibling calls.
1585 (store_one_arg): Likewise.
1587 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1589 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
1590 (rest_of_compilation): Write sibling dump file and account
1591 for time as jump time.
1592 * invoke.texi: Update documentation on dump flags.
1594 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
1596 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
1598 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
1600 * cpphash.c (special_symbol): Represent an empty macro with
1601 "\r \r " not just "\r ".
1602 (_cpp_macroexpand): Correct condition for the foo ( ) special
1604 (unsafe_chars): Handle EOF as second argument.
1605 (push_macro_expansion): Simplify test for removing escape at
1606 end. Do not trim both escapes if there is no text in between.
1608 2000-04-19 Jim Blandy <jimb@redhat.com>
1610 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
1611 of PTR_SIZE, when appropriate.
1613 2000-04-19 Mark Mitchell <mark@codesourcery.com>
1615 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
1616 (USE_ENUM_BITFIELDS): Fix typo.
1618 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1620 * stor-layout.c (place_field): Set rli->offset_align properly.
1622 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1624 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
1625 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
1626 PARM_BOUNDARY): Remove unnecessary casts.
1628 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
1630 * calls.c (precompute_arguments): Remove must_preallocate and
1632 (expand_call): Update call of precompute_arguments.
1634 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
1635 check_insn_for_givs): Break out from ...
1636 (strength_reduce) ... here; use for_every_insn_in_loop to call
1637 check_insn_for_givs.
1638 * loop.h (for_every_insn_in_loop): Declare.
1639 (loop_insn_callback): New type.
1641 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1643 * cpplib.c (do_pragma_poison): Strings in the token buffer are
1646 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
1648 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
1651 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
1653 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
1655 * configure.in: Delete --disable-cpplib option and all
1656 references to cpp_main.
1657 * configure: Regenerate.
1658 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
1659 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
1660 cccp.o, cccp, or cppmain. Link cppmain.o straight to
1661 cpp$(exeext). Add --no-headers to makeinfo command line when
1662 generating INSTALL. Install and uninstall cpp.1 manpage, not
1664 * install.texi: Delete all references to cexp.y/cexp.c.
1665 Delete ancient instructions for compiling GCC on 3b1.
1666 * INSTALL: Regenerate.
1668 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
1669 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
1670 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
1672 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
1673 which is no longer tested anywhere.
1675 * cppinit.c (handle_option): Don't run error message through
1678 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1680 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
1681 * cpperror.c (hashtab.h): Now include.
1682 * cppexp.c (hashtab.h): Likewise.
1683 * cpplex.c (hashtab.h): Likewise.
1684 * cppfiles.c (hashtab.h): Likewise.
1685 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
1686 to htab_find_slot_with_hash.
1687 * cpphash.c (hashtab.h): Now include.
1688 (_cpp_lookup_slot): INSERT is now enum insert_option.
1689 * cpphash.h (_cpp_lookup_slot): Likewise.
1690 * cppinit.c (hashtab.h): Include earlier.
1691 (initialize_builtins): Pass enum to htab_find_slot.
1692 * cpplib.c (hashtab.h): Now include.
1693 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
1694 (do_pragma_poison, do_assert): Likewise.
1695 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
1696 htab_find_slot_with_hash.
1697 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
1698 * tree.c (type_hash_add): Likewise.
1699 (build1): Minor cleanup.
1701 * ggc-common.c: Add missing blanks.
1702 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
1703 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
1705 * stmt.c (mark_case_node): New function.
1706 (mark_case_nesting): Call it.
1708 * expmed.c (emit_store_flag): If comparing two-word integer
1709 with zero, can optimize NE, EQ, GE, and LT.
1711 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
1712 * conflict.c: Minor cleanups.
1713 * optabs.c: Add blank line
1714 * simplify-rtx.c: Minor cleanups.
1716 2000-04-18 Stan Cox <scox@cygnus.com>
1718 * gengenrtl.c (genlegend): Fix misspelling.
1720 2000-04-18 Robert Lipe <robertlipe@usa.net>
1722 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
1723 bitfields of the host compiler are not signed quantities.
1724 * config.in: Regenerate.
1725 * configure: Regenerate.
1726 * system.h (USE_ENUM_BITFIELDS): Added.
1727 (ENUM_BITFIELDS): Added.
1728 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
1729 (SHORT_ENUM_BUG): Deleted.
1730 * tree.h (tree_common): Members `code', `mode', `built_in_class',
1732 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
1733 (CODE_FIELD_BUG): Likewise.
1734 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
1736 * config/m68k/x-ccur (X_CFLAGS): Likewise.
1738 2000-04-18 Mark Mitchell <mark@codesourcery.com>
1740 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
1743 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1745 * cppexp.c (lex): Don't assume tokens are NUL terminated.
1746 * cpplib.c (do_include, do_import, do_include_next,
1747 read_line_number, detect_if_not_defined): Likewise.
1748 * cpphash.c (collect_expansion): Likewise.
1749 (special_symbol, _cpp_macroexpand): Check return from
1751 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
1752 macros. Delete all uses.
1754 * gcc.dg/cpp-mi.c: Add two more test cases.
1755 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
1757 2000-04-17 Richard Henderson <rth@cygnus.com>
1759 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
1760 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
1762 2000-04-17 Mark Mitchell <mark@codesourcery.com>
1764 * function.c (expand_function_start): Use hard_function_value to
1765 compute the RTL to use for DECL_RESULT.
1767 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
1769 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
1770 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1771 x86_memory_mismatch_stall): New global variables.
1772 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
1773 alloved; fix load penalties for Athlon.
1774 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
1775 x86_memory_mismatch_stall): Declare.
1776 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
1777 TARGET_MEMORY_MISMATCH_STALL): New.
1778 * i386.md (athlon scheduling parameters): Fix latencies according to
1779 Athlon Optimization Manual.
1780 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
1782 (fsqrt instruction patterns): Set athlon_decode to direct.
1783 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
1784 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
1785 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
1786 and TARGET_PARTIAL_REGISTER_STALL machines.
1787 (pushdf_nointeger): New pattern.
1788 (pushdf_integer): Rename from pushdf.
1789 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
1790 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
1792 2000-04-17 Richard Henderson <rth@cygnus.com>
1794 * loop.c (canonicalize_condition): Add WANT_REG argument.
1795 Stop the search if we match it.
1796 * expr.h (canonicalize_condition): Update decl.
1797 * predict.c (expected_value_to_br_prob): Use it. Track last
1798 expected value note.
1799 (find_expected_value): Remove.
1801 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
1803 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
1805 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
1806 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
1808 * configure.in: Call AC_FUNC_MMAP_FILE.
1809 * configure: Regenerate.
1810 * config.in: Regenerate.
1812 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
1813 * fixinc/fixincl.c: Likewise.
1815 2000-04-17 Richard Henderson <rth@cygnus.com>
1817 * builtins.c (expand_builtin_expect): New.
1818 (expand_builtin): Call it.
1819 * builtins.def (BUILT_IN_EXPECT): New.
1820 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
1821 * extend.texi: Document it.
1823 * predict.c (expected_value_to_br_prob): New.
1824 (find_expected_value): New.
1825 * basic-block.h (expected_value_to_br_prob): Declare.
1826 * toplev.c (rest_of_compilation): Invoke it.
1828 * rtl.h (NOTE_EXPECTED_VALUE): New.
1829 (NOTE_INSN_EXPECTED_VALUE): New.
1830 * rtl.c (note_insn_name): Update.
1831 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
1832 cases; handle NOTE_INSN_EXPECTED_VALUE.
1834 2000-04-17 Jakub Jelinek <jakub@redhat.com>
1836 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
1837 leaf sibcall delay slot if flag_pic.
1838 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
1840 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1842 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
1844 * fixproto: If fix-header fails, exit with an error.
1846 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1848 * cse.c (struct check_depdendence_data): New.
1849 (check_dependence): New function.
1850 (invalidate): Use check_depdenence.
1852 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1854 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
1855 UNITS_PER_WORD is unsigned.
1857 * tree.h (struct tree_common): Remove misleading comment.
1859 2000-04-16 Dave Pitts <dpitts@cozx.com>
1861 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
1862 message in quotes. Otherwise, IBM's make program treats the '#' as the
1863 start of a comment and ignores the remainder of the line.
1865 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
1867 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
1868 * cexp.y (initialize_random_junk): Likewise.
1869 * cppfiles.c (find_include_file): Cast alloca return value.
1870 * cppinit.c (initialize_standard_includes): Likewise.
1871 * cpplib.c (cpp_define, cpp_undef): Likewise.
1872 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
1873 * final.c (output_asm_insn): Allow for holes in EBCDIC.
1874 * fold-const.c (CHARMASK): New.
1875 (real_hex_to_f): Use it.
1876 * real.c (CHARMASK): New.
1877 (etoasc, asctoeg): Use it.
1878 (asctoeg): EBCDIC lower case characters preceed upper case.
1880 * i370.c (mvs_add_label): Change spacing for coding conventions.
1881 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
1882 outputing case vectors.
1883 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
1884 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
1885 since vector in in the data CSECT.
1886 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
1887 * i370.md (Many patterns): Put the length in the XL directives.
1888 (movdi): Put back STM and MVC in definition.
1889 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
1890 pattern using the TCA.
1891 * oe.h (CPP_SPEC): Added to allow trigraphs.
1892 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
1893 not support the "long long" type.
1895 2000-04-16 Mark Mitchell <mark@codesourcery.com>
1897 * config/mips/mips-protos.h (mips_legitimate_address_p): New
1899 (mips_reg_mode_ok_for_base_p): Likewise.
1900 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
1901 (REG_OK_FOR_INDEX_P): Define unconditionally.
1902 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
1903 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
1904 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
1905 that GET_MODE_SIZE is unsigned.
1906 (mips_reg_mode_ok_for_base_p): Define.
1907 (mips_legitimate_address_p): Likewise. Adjust now
1908 that GET_MODE_SIZE is unsigned.
1909 (block_move_loop): Make the number of bytes unsigned.
1910 (expand_block_move): Likewise.
1911 (function_arg): Make the loop counter unsigned to match the
1914 2000-04-16 Richard Henderson <rth@cygnus.com>
1916 * rtl.h (enum insn_note): New enumeration. Subsume
1917 NOTE_INSN_DELETED and friends.
1918 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
1919 * rtl.c (note_insn_name): Tweak string order.
1921 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
1923 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
1926 * cpplex.c (output_line_command): Remove debugging prints.
1927 (cpp_output_tokens): Don't write out a zero-length buffer or
1928 try to see if it has a newline in it.
1929 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
1930 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
1931 the end of the loop. Use memmove. Don't read past the end of
1932 the buffer. Remove trailing newlines from error messages.
1934 2004-04-16 Neil Booth <NeilB@earthling.net>
1936 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
1937 * cpplib.c: Add new syntax flags to directive table, and
1940 2000-04-15 Ulrich Drepper <drepper@redhat.com>
1942 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
1945 2000-04-15 David Edelsohn <edelsohn@gnu.org>
1947 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
1948 * haifa-sched.c: Update -fsched-verbose comments to use "=".
1950 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1952 * Makefile.in (ggc-page.o): Now includes toplev.h.
1953 * ggc-page.c (toplev.h): Now included.
1954 (gc_time): Remove declaration.
1955 (ggc_collect): TIME now long.
1956 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
1958 * toplev.h (gc_time, parse_time, gc_time): New declarations.
1960 * toplev.c: Make *_time variable long to reduce chance of overflow.
1961 (TIMEVAR): Likewise for `otime'.
1962 (print_time): Arg is now long; compute percentage in FP and round.
1963 * toplev.h (print_time): Arg is long.
1965 * tree.c: Minor whitespace changes.
1967 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
1968 * configure: Rebuilt.
1969 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
1970 (__fixunsxfDI): Renamed from __fixunsxfdi.
1971 (__fixunsdfDI): Renamed from __fixunsdfdi.
1972 (__fixunssfDI): Renamed from __fixunssfdi.
1973 (__floatdisf): Use proper type in REP_BIT macro.
1974 (__fixunsxfSI): Renamed from __fixunsxfsi.
1975 (__fixunsdfSI): Renamed from __fixunsdfsi.
1976 (__fixunssfSI): Renamed from __fixunssfsi.
1977 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
1978 Change location of macros and upper-case some names as above.
1979 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
1980 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
1982 * varasm.c (assemble_variable): Add cast to remove warning.
1983 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
1985 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
1986 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
1987 region number to -1.
1989 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
1991 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
1992 call unshare_all_rtl.
1994 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
1996 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
1998 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
1999 Use .s1 not .s0 for all FP instructions.
2001 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
2003 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
2005 (safe_fwrite, output_line_command): New static functions.
2006 (cpp_expand_to_buffer): Now private to cpplib.
2007 (cpp_scan_buffer): Take a printer.
2009 * cpphash.h: Update prototypes.
2010 * cpplib.h: Update prototypes.
2012 (cpp_buffer): Remove last_nominal_fname.
2013 (cpp_reader): Remove lineno.
2015 * cppmain.c: Use a cpp_printer.
2016 * fix-header.c: No need to inhibit line commands. Call
2017 cpp_start_read with no printer.
2019 * cpperror.c (cpp_notice_from_errno): Provide default name.
2020 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
2021 (find_include_file, cpp_read_file): Use make_IHASH.
2022 (file_cleanup): Set control_macro and clear
2023 input_stack_listing_current here.
2024 (_cpp_execute_include): Don't output entering-file marker.
2025 * cpphash.c (special_symbol): Look for the line number in the
2026 buffer, not the reader.
2027 (_cpp_macroexpand): No need to disable line commands.
2028 (_cpp_dump_definition): No need to generate line commands.
2029 (dump_hash_helper): Remove excess newline from output.
2030 * cppinit.c (dump_special_to_buffer): No need to generate line
2032 (cpp_printer_init): New.
2033 (cpp_start_read): Take a printer, and start it up if it's not
2034 NULL. No need to generate line commands.
2035 (cpp_finish): Expect no buffers stacked at all. Take a
2036 printer argument, and flush the output buffer if it's not
2038 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
2039 Don't put two hashes at the beginning of an assertion.
2040 (cpp_get_token): Don't increment pfile->lineno or emit line
2041 commands here. Return EOF if there's no buffer when we get
2043 * cpplib.c (do_define, skip_if_group):
2044 No need to disable line commands.
2045 (_cpp_output_line_command): Delete function.
2046 (do_line): Don't emit line commands here, but set things up so
2047 they will be emitted if necessary. Use _cpp_fake_ihash to
2048 make unique nominal_fnames if necessary.
2049 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
2050 with 0 for column, not -1.
2051 (_cpp_handle_eof): Don't set the control macro here. Don't
2052 clear input_stack_listing_current here. Don't emit line
2055 2000-04-14 Geoff Keating <geoffk@cygnus.com>
2057 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
2058 always, use the default SVR4 start address.
2060 * config/rs6000/linux.h (LINK_SPEC): Don't define.
2061 (LINK_SHLIB_SPEC): Define.
2062 (LINK_START_DEFAULT_SPEC): Define.
2063 (LINK_OS_DEFAULT_SPEC): Define.
2065 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
2067 * config/rs6000/eabi.asm (__eabi): Call __init rather than
2068 __do_global_ctors to handle constructors.
2069 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
2070 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
2071 (STARTFILE_MVME_SPEC): Likewise.
2072 (STARTFILE_SIM_SPEC): Likewise.
2073 (ENDFILE_ADS_SPEC): Use crtend.
2074 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
2075 (ENDFILE_MVME_SPEC): Likewise.
2076 (ENDFILE_SIM_SPEC): Likewise.
2077 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
2078 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
2079 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
2080 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
2081 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
2082 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
2083 (CRTSTUFF_T_CFLAGS_S): Define.
2084 * config/rs6000/eabi-ctors.c: Delete.
2086 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
2089 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
2093 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
2095 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
2096 plus mask size is smaller or equal to the mode size.
2098 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2100 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
2103 * expr.c (reload.h): Now included.
2104 (emit_block_move): Set volatile_ok when checking for movstr.
2105 (emit_move_1): Check for replacements in addresses in multi-word case.
2106 * Makefile.in (expr.o): Now includes reload.h.
2108 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
2109 Never have a LIBCALL end a basic block.
2110 (find_basic_blocks_1): Likewise.
2111 Reorganize CALL_INSN cases.
2113 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
2115 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
2117 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
2118 completers from mov.ret instruction.
2120 2000-04-14 Richard Henderson <rth@cygnus.com>
2122 * fold-const.c (extract_muldiv): Don't distribute and widen
2123 multiply across plus for non-sizetype unsigned types.
2125 2000-04-14 Richard Henderson <rth@cygnus.com>
2127 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
2128 If the original source is dead in the incr insn, it's dead now.
2130 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2132 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
2133 see if DECL_BIT_FIELD needs to still be set.
2135 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
2137 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
2138 print_int_cst_octal with something that's not an INTEGER_CST.
2140 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
2141 and not a SUBREG to a FLOAT rtl.
2143 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
2145 * emit-rtl.c (try_split): Avoid infinite loop if the split
2146 results in a sequence that contains the original insn.
2148 2000-04-13 Andreas Jaeger <aj@suse.de>
2150 * config/mips/mips.c (expand_block_move): Pass alignment
2151 argument to move_by_pieces in bits, not bytes.
2153 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
2154 __pic__ for little endian.
2156 2000-04-13 Andreas Jaeger <aj@suse.de>
2158 * config/i386/i386-protos.h: Add prototype for
2159 uno_comparison_operator.
2161 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
2163 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
2164 * calls.c (ECF_PURE): New flag.
2165 (emit_call_1): Handle ECF_PURE calls.
2166 (initialize_argument_information): Unset ECF_PURE flag too.
2167 (precompute_arguments): Precompute for ECF_PURE too.
2168 (expand_call): Handle ECF_PURE calls too.
2169 (emit_library_call_value_1): Rename no_queue argument to fn_type,
2170 accept value of 2 as pure function.
2171 (emit_library_call_value, emit_library_call): Rename no_queue argument
2173 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
2175 * tree.h (DECL_IS_PURE): New macro.
2176 (struct tree_decl): Add pure_flag.
2177 * c-common.c (enum attrs): Add attribute "pure".
2178 (init_attributes): Initialize attribute "pure"
2179 (decl_attributes): Handle attribute "pure".
2180 * extend.texi (Attribute "pure"): Document.
2181 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
2183 (flags_from_decl_or_type): Support attribute "pure".
2185 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
2187 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
2188 the token except for numbers and identifiers.
2190 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
2192 * i386.c (ix86_expand_binary_operator,
2193 ix86_expand_unary_operator): Check no_new_pseudos
2194 instead of reload_in_progress and reload_completed.
2195 (ix86_split_ashldi, ix86_split_ashrdi,
2196 ix86_split_lshrdi): Check no_new_pseudos instead
2197 of reload_completed.
2199 2000-04-12 Jeffrey A Law (law@cygnus.com)
2201 * function.c (purge_addressof): Unshare any shared rtl created by
2202 purge_addressof and its children.
2204 2000-04-12 Mark Mitchell <mark@codesourcery.com>
2206 * function.c (aggregate_value_p): VOID_TYPE nodes are never
2209 2000-04-05 Andreas Jaeger <aj@suse.de>
2211 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
2212 not compiling PIC code, add flags for mabi=64.
2213 (SUBTARGET_CPP_SIZE_SPEC): New.
2214 (SUBTARGET_CPP_SPEC): New.
2215 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
2216 for MIPS/Linux and lots of code needs these defines.
2218 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
2220 * reorg.c (fill_slots_from_thread): Check side_effects_p when
2221 trying the "opposite arithmetic" approach.
2223 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2225 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
2226 (struct sh_args): Add new field force_mem.
2227 (INIT_CUMULATIVE_ARGS): Initialize it.
2228 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
2230 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2232 * calls.c (expand_call): Do not reverse args in "equal from" field.
2233 (emit_library_call_value_1): Emit_libcall_block for const and pure
2236 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2238 * reload1.c (reload_combine): Don't enable optimization for fixed
2239 registers when encountering a BARRIER.
2241 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
2243 * builtins.c (expand_builtin_memcmp): Do expansion even with
2244 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
2246 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
2247 stack is propertly aligned; add sanity checking for aligned
2249 (expand_library_call_value_1): Add sanity checking for aligned
2252 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
2254 * calls.c (emit_library_call_value_1): Change 3rd arg to
2255 locate_and_pad_parm to disregard the setting of partial.
2257 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2259 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
2261 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
2262 CALL_INSN from the normal case.
2264 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
2266 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2267 New global variables.
2268 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
2270 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
2272 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
2273 TARGET_ADD_ESP_8): New macros.
2274 * i386.md: Add peep2s to convert esp adjustments to push and pop
2276 (pushsi_prologue, popsi_epilogue): New patterns.
2278 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2280 * real.c (toe64): Remove stale #endif from the last change.
2282 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
2284 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
2285 * real.c (toe64): Revert previous change.
2287 2000-04-12 Jakub Jelinek <jakub@redhat.com>
2289 * objc/objc-act.c: Include ggc.h.
2290 (objc_tree_index, objc_global_trees): Convert most of the
2291 static tree variables into a static array with previous names
2293 (objc_ellipsis_node): New variable.
2294 (lang_init): Call objc_act_parse_init and c_parse_init.
2295 Create objc_ellipsis_node.
2296 (build_selector_translation_table): Use objc_ellipsis_node instead
2298 (hack_method_prototype): Likewise.
2299 (get_arg_type_list): Likewise.
2300 (start_method_def): Likewise.
2301 (continue_method_def): Likewise.
2302 (gen_method_decl): Likewise.
2303 (ggc_mark_imp_list): New function.
2304 (ggc_mark_hash_table): New function.
2305 (objc_act_parse_init): New function.
2306 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
2307 * c-parse.in (c_parse_init): For objc add roots of objc specific
2308 local tree variables.
2309 * objc/objc-parse.y: Rebuilt.
2310 * objc/objc-parse.c: Rebuilt.
2311 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
2313 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
2315 * cse.c (delete_trivially_dead_insns): Also delete insns
2316 that copy a register to itself where the destination is
2319 2000-04-11 Richard Henderson <rth@cygnus.com>
2321 * flow.c (struct propagate_block_info): Add new_dead, new_live.
2322 (propagate_block): Initialize them. Use them in parallel instead
2323 of one tmp variable, ie revert much of the 0408 and 0407 functional
2324 changes, but keep the structural changes.
2325 (mark_set_regs): Take new_dead from propagate_block_info instead.
2326 (mark_set_1, mark_set_reg): Likewise.
2327 (mark_used_regs): Likewise with new_live.
2328 (mark_used_reg): Likewise. Revert 0408 change.
2330 2000-04-11 Nick Clifton <nickc@cygnus.com>
2332 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
2334 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
2336 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2338 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
2339 const section to output a CONSTRUCTOR based on the same conditions
2342 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
2344 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
2345 * pa/pa-protos.h (output_call): Add additional argument indicating
2346 if the call is a sibling/tail call.
2347 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
2348 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
2349 (function_arg, function_arg_partial_nregs): Likewise
2350 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
2351 (emit_move_sequence): Zero extend certain constants as needed
2353 (compute_zdepdi_operands, output_64bit_and): New functions.
2354 (output_64bit_ior, function_arg): Likewise.
2355 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
2356 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
2357 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
2358 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
2359 (output_bvb): Likewise.
2360 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
2361 (output_call): New argument 'sibcall'. Generate sibcall sequences
2363 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
2364 (ouput_arg_descriptor): Do not emit argument descriptors for
2366 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
2368 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
2369 (FUNCTION_OK_FOR_SIBALL): Define.
2370 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
2371 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
2372 (CPP_SPEC): Use new spec infrastructure.
2373 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
2374 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
2375 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
2376 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
2377 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
2378 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
2379 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
2380 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
2381 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
2382 (FUNCTION_ARG); Call out to C code.
2383 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
2384 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
2385 (MIN_UNITS_PER_WORD): Likewise.
2386 * pa/pa.md (cmpdi): New expander.
2387 (scc patterns, movstrsi): Not available for TARGET_64BIT.
2388 (64bit conditional arithmetic): New patterns.
2389 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
2390 (movsicc): Not available if modes on all the operands to not match.
2391 (movdicc): New expander and associated patterns.
2392 (64bit branches): New patterns.
2393 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
2394 (pre_ldd, post_std): New patterns.
2395 (64bit addil, load low part): New patterns.
2396 (special movsf constant): Not available for TARGET_64BIT.
2397 (movsf, movdf expanders): Force constants into memory.
2398 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
2399 (64bit movdf/movdi patterns): New patterns.
2400 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
2402 (extendqidi2, extendhidi2, extendsidi2): Similarly.
2403 (adddi3 expander): Allow "arith_operand" for second input.
2404 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
2405 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
2406 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
2407 (muldi3): New expander for TARGET_64BIT.
2408 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
2410 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
2411 patterns for TARGET_64BIT.
2412 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
2413 patterns for TARGET_64BIT.
2414 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
2415 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
2416 (sibcall_epilogue): New expander.
2417 (casesi): Tweak for TARGET_64BIT.
2418 (call expanders): Set & use the outgoing argument pointer. Use the
2419 64bit call patterns as needed. Add additional arg to output_call.
2420 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
2421 (sibcall, sibcall_internal_symref): New expanders.
2422 (sibcall_value, sibcall_value_internal_symref
2423 (interspace_jump): Turn into an expander + matching patterns.
2424 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
2425 * pa/pa64-regs.h: Eliminate trigraph sequences.
2426 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
2428 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
2430 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
2431 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
2432 cpp_token with cpp_ttype everywhere.
2433 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
2434 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
2435 CPP_BUF_COL. Line and column numbers are unsigned int, not
2437 * cpplex.c (cpp_buf_line_and_col): Delete.
2438 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
2439 'long lineno' to 'unsigned int lineno'.
2440 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
2442 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2444 * extend.texi: ISO C99 is not a draft anymore.
2445 * invoke.texi: ISO C++ is not a draft anymore.
2446 * cpp.texi: __cplusplus is required by the ISO standard.
2448 * extend.texi (-fthis-is-variable): Undocument.
2449 * flags.h (warn_template_debugging): Remove declaration.
2450 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
2451 -Wenum-clash, -Wtemplate-debugging): Undocument.
2453 2000-04-10 Nick Clifton <nickc@cygnus.com>
2455 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
2457 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
2459 (ARM_SIGN_EXTEND): Use HOST_UINT.
2460 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
2461 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
2462 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
2463 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
2465 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
2466 (arm_gen_constant): Use HOST_UINT.
2467 (arm_canonicalize_constant): Use HOST_UINT.
2468 (arm_reload_in_hi): Use HOST_UINT.
2469 (arm_reload_out_hi): Use HOST_UINT.
2470 (output_multi_immediate): Use HOST_UINT.
2471 (int_log2): Use HOST_UINT.
2472 (arm_poke_function_name): Use HOST_UINT.
2473 (arm_output_epilogue): Use arm_volatile_func().
2474 (output_thumb_prologue): Use arm_strip_name_encoding().
2476 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2478 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
2479 of sequence point problems.
2481 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
2483 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
2485 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
2487 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2489 * sbitmap.h: Whitespace changes and use upper-case macro args.
2490 (struct simple_bitmap_def): All sizes now unsigned.
2491 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
2492 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
2493 (sbitmap_vector_alloc): Parms and local vars now unsigned.
2494 (sbitmap_zero): Cast bzero arg to PTR.
2495 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
2496 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
2497 loop to make structure clearer.
2498 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
2499 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
2500 (sbitmap_a_and_b_or_c): Likewise.
2501 (sbitmap_intersection_of_succs): Minor cleanups.
2502 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
2503 (sbitmap_union_of_preds): Likewise.
2504 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
2505 (debug_sbitmap): New function.
2507 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
2508 * c-typeck.c (convert_for_assignment): Likewise.
2510 * expmed.c (init_expmed): Don't free objects we make.
2511 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
2513 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
2514 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
2516 * gcse.c (expr_hash_table_size): Now unsigned.
2517 (compute_ae_gen): Local variable `i' now unsigned.
2518 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
2519 (compute_transout, hoist_code): Likewise.
2520 (compute_local_properties): Likewise, also hash_table_size.
2521 (alloc_expr_hash_table): N_INSNS now unsigned.
2522 (delete_null_pointer_checks): Mark arg F as unused.
2524 * regrename.c: Minor cleanups, including chang some variables
2527 2000-04-10 Neil Booth <NeilB@earthling.net>
2529 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
2531 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
2533 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2535 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
2536 __classof__, and __headof__ from the list of gnu keywords.
2537 (-ansi): Remove -foperator-names from list of implied options.
2538 Do not call it ANSI C++.
2539 (-foperator-names): Document as -fno-operator-names.
2541 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
2543 * cpphash.c (timestamp): Delete.
2544 (del_HASHNODE): If type is T_MCONST, free value.cpval.
2545 (special_symbol): Remove unnecessary braces. Remove
2546 T_VERSION. Treat T_STDC like T_CONST unless
2547 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
2548 when one is encountered, then convert them into T_MCONST
2550 * cppinit.c (builtin_array): version_string is T_MCONST.
2551 __STDC__ has a "1" in its cpval. Don't have a terminator
2552 entry. Clean up which entries are dumped.
2553 (initialize_builtins): Only __STDC__ gets the special
2554 -traditional treatment. Count the length of builtin_array.
2555 Render version_string here.
2556 * cpphash.h: Remove T_VERSION. Add T_MCONST.
2557 * cpplib.h (struct cpp_reader): Remove timebuf.
2559 2000-04-09 Richard Henderson <rth@cygnus.com>
2561 * genrecog.c (pred): Update comparison_operator for the unordered
2564 * config/i386/i386.c (no_comparison_operator): Disallow unordered
2566 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
2567 (uno_comparison_operator): New.
2568 (put_condition_code): Handle UNORDERED/ORDERED.
2569 (unsigned_comparison): Likewise.
2570 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
2571 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
2572 (ix86_expand_fp_compare): Use them. Take scratch as argument,
2573 update all callers. Handle all 8 unordered operators.
2574 (ix86_expand_setcc): Lose the unordered argument, update all callers.
2575 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
2576 * config/i386/i386.h (PREDICATE_CODES): Update.
2577 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
2578 (ix86_expand_branch, ix86_expand_setcc): Update.
2579 * config/i386/i386.md (sunordered, sordered): New.
2580 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
2581 (bunordered, bordered): New.
2582 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
2583 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
2584 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
2586 2000-04-09 Philip Blundell <philb@gnu.org>
2588 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
2590 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
2592 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
2593 fix_truncxfhi2): New patterns.
2594 * i386.c (output_fix_trunc): Handle converting to HImode.
2596 2000-04-08 Alex Samuel <samuel@codesourcery.com>
2598 * ssa.c (convert_to_ssa): Eliminate dead code when calling
2600 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
2601 (for_each_successor_phi): Change parameter to basic_block.
2602 (coalesce_regs_in_successor_phi_nodes): Likewise.
2603 (coalesce_regs_in_copies): Likewise.
2604 (compute_coalesced_reg_partition): Use basic_block instead of index.
2605 * rtl.h (convert_to_ssa): Delete.
2606 (convert_from_ssa): Likewise.
2607 (successor_phi_fn): Likewise.
2608 (for_each_successor_phi): Likewise.
2609 (in_ssa_form): Likewise.
2610 * basic-block.h (convert_to_ssa): Moved from rtl.h.
2611 (convert_from_ssa): Likewise.
2612 (successor_phi_fn): Likewise.
2613 (in_ssa_form): Likewise.
2614 (for_each_successor_phi): Likewise. Change parameter to basic_block.
2615 * flow.c (calculate_global_regs_live): Pass a basic_block to
2616 for_each_successor_phi.
2618 2000-04-08 Richard Henderson <rth@cygnus.com>
2620 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
2621 was modified in the current insn.
2623 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2625 * arm/thumb.md: Delete.
2626 * arm/thumb-protos.h: Delete.
2628 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2630 Merge changes from merged-arm-thumb-backend-branch onto trunk.
2632 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
2634 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
2637 * arm.md (nop): Use the standard RTL expression. Don't code as a
2639 (*arm_nop, *thumb_nop): Delete.
2641 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
2642 constants. Use casts instead.
2643 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
2644 output_multi_immediate, arm_poke_function_name): Likewise.
2645 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
2646 MASK_RETURN_ADDDR): Likewise.
2648 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
2650 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
2653 * arm.md (eh_epilogue): New function.
2654 * arm.h (struct machine_function): Move to here ...
2655 * arm.c: ... from here.
2656 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
2657 (thumb_exit): Extra parameter eh_ofs. All callers changed.
2658 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
2660 2000-03-30 Nick Clifton <nickc@cygnus.com>
2662 * config/arm/semi.h (ASM_SPEC): Restore definition.
2663 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2665 * config/arm/elf.h (ASM_SPEC): Restore definition.
2666 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
2668 * config/arm/arm.h (ASM_SPEC): Remove definition.
2669 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
2671 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
2673 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
2675 2000-03-24 Nick Clifton <nickc@cygnus.com>
2677 Various formating tidyups, elimination of compile time
2678 warnings and synchronisation with internal sources:
2680 * config/arm/arm-protos.h (assemble_align): Add prototype.
2681 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2682 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2683 (arm_return_addr_rtx): Rename to arm_return_addr.
2685 * config/arm/arm.c: Include except.h.
2686 Define shorter typenames for strict minipool_node and struct
2688 (arm_return_in_memory): For WinCE return all structures <= 32 bits
2690 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
2691 (gen_comapre_reg): Rename to arm_gen_compare_reg.
2693 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
2695 (ASM_SPEC): Define if not already defined.
2696 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
2698 * config/arm/arm.md: Rename references to gen_rotated_half_load to
2699 arm_gen_rotated_half_load, and references to gen_comapre_reg to
2700 arm_gen_compare_reg.
2701 (indirect_jump): Only accept register operands.
2702 (load_indirect_jump): Keep this pattern since combine can generate
2705 * config/arm/coff.h: Include aout.h.
2706 (MULTILIB_DEFAULTS): Only define if not already defined.
2708 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
2709 into arm.h (so that COFF ports can support thumb based aliases).
2710 (ASM_SPEC): Move definition into arm.h
2712 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
2713 redundant apcs spec.
2714 (ASM_SPEC): Move definition to arm.h
2716 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
2718 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
2719 for entries in the .bss section
2721 2000-03-23 Nick Clifton <nickc@cygnus.com>
2723 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
2724 to thumb_far_jump_used_p.
2726 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
2727 single integer parameter.
2729 * config/arm/arm.c (struct machine_function): Add two new
2730 fields, 'far_jump_used' and 'arg_pointer_live'.
2731 (thumb_far_jump_used_p): Once the decision has been made that
2732 far jumps might be used, always return true.
2733 If being called from the initial elimination offset macro then
2734 do not bother to perform the test if the arg pointer is not
2736 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
2737 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
2739 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
2741 * arm.c (output_return_instruction): Handle more cases where we can
2742 return from a function with an ldr instruction.
2743 (arm_output_epilogue): Likewise.
2745 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
2746 if we need to push a large stack frame and there are no callee-saved
2749 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
2750 in ARM code if the frame pointer has been eliminated.
2752 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
2753 unspec_volatile arguments to avoid duplicates.
2754 (consttable_1, consttable_2): Fixes for big-endian mode.
2756 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
2759 Re-write constant pool code.
2760 * arm.c (minipool_node, minipool_fix): New types.
2761 (minifix): Delete type.
2762 (arm_add_minipool_constant): Delete.
2763 (arm_compute_minipool_offsets, arm_find_barrier,
2764 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
2765 (get_jump_table_size): Now returns HOST_WIDE_INT.
2766 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
2768 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
2769 (assign_minipool_offsets, arm_print_value): Likewise.
2770 (dump_minipool): Rewrite.
2771 (arm_barrier_cost): New function.
2772 (create_fix_barrier): New function.
2773 (push_minipool_barrier): New function.
2774 (push_minipool_fix): Record additional information about the fixup
2776 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
2777 check the mode of what needs fixing.
2778 (arm_reorg): Rewrite.
2780 2000-03-08 Nick Clifton <nickc@cygnus.com>
2782 * config/arm/arm.md (indirect_jump): Force constant addresses into
2785 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
2787 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
2789 2000-02-24 Nick Clifton <nickc@cygnus.com>
2791 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
2792 adjust is word aligned.
2793 (thumb_expand_epilogue): Make sure that stack adjust is word
2796 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
2798 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
2800 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
2801 pointer relative addresses.
2803 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
2805 * arm.c (find_barrier): Find the last barrier within the allowed
2808 2000-02-09 Nick Clifton <nickc@cygnus.com>
2810 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
2812 2000-02-09 Nick Clifton <nickc@cygnus.com>
2814 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
2815 ARM_FUNCTION_PROFILER.
2817 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
2818 ARM_FUNCTION_PROFILER.
2820 * config/arm/linux-oldld.h: Imported from mainline sources.
2822 2000-02-07 Nick Clifton <nickc@cygnus.com>
2824 * config/arm/lib1funcs.asm: Merge in thumb functions from
2827 * config/arm/lib1thumb.asm: Delete.
2829 2000-02-04 Nick Clifton <nickc@cygnus.com>
2831 * config/arm/arm.c: Sychronised with current Red hat local
2833 * config/arm/arm.h: Ditto.
2834 * config/arm/arm-protos.h: Ditto.
2836 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
2838 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
2840 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
2843 2000-02-02 Nick Clifton <nickc@cygnus.com>
2845 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
2847 * config/arm/arm.md (epilogue): Fix rtl checking abort because
2848 (return) was emited using an emit_insn() call.
2850 2000-01-31 Nick Clifton <nickc@cygnus.com>
2852 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
2854 (thumb_exit): Move frame pointer back into hard frame pointer
2855 register if backtracing is being used.
2857 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
2859 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
2862 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
2864 * config/arm/arm.md (neg_pool_offset): Provide default for new
2866 (arm_movsi_insn): Add neg_pool_offset attribute.
2867 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
2868 rtx for the insn that starts the scan and an unsigned long for its
2869 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
2870 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
2871 instructions in *PINSERTED.
2872 (struct minipool_fixup): Add MIN_ADDRESS elt.
2873 (sort_fixups): Compute it.
2874 (arm_reorg): Changes to support inserting pools before the insn to be
2877 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
2879 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
2880 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
2881 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
2883 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
2885 * config/arm/semi.h (TARGET_VERSION): Do not define if already
2887 (TARGET_DEFAULT): Do not define if already defined.
2889 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
2891 * config/arm/arm.md (anddi3): Allow disjoint source operands.
2892 (iordi3): Allow disjoint source operands.
2893 (xordi3): Allow disjoint source operands.
2894 (negdi2): Permit construction for ARM and Thumb.
2895 (arm_negdi2): Renamed version of old negdi2 pattern.
2896 (thumb_negdi2): New pattern: Only permit non-overlapping
2897 source and destination.
2899 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
2901 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
2902 scratch low register so that it will not be deleted.
2904 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
2906 * config/arm/pe.h (ARM_PE): Define.
2908 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
2909 interfacearm attribute if this is a PE toolchain.
2910 (output_return_instruction): Do not emit anything if the function
2911 has the naked attribute set.
2912 (is_called_in_ARM_mode): If the function has the interfacearm
2913 attribute then return true.
2914 (thumb_expand_prologue): Do not generate a prologue for naked
2916 (thumb_expand_epilogue): Do not generate an epilogie for a naked
2918 (output_thumb_prologue): Do not bother if the function is naked.
2919 Strip PE encoding from function name before emitting.
2921 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
2923 * arm.md (pic_load_addr): Fix constraints.
2925 * arm.md (casesi_insn): Fix mis-applied patch.
2927 * arm.md ("core" function unit): Add rules for single- and
2929 (All TARGET_THUMB patterns): Add "type" attribute information
2931 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
2932 the following insn is a CALL.
2934 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
2936 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
2937 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
2938 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
2940 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
2942 * config/arm/linux-gas.h: oops - this file was missed out when the
2943 branch was created...
2945 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
2947 * thumb.c: Deleted. Move contents to ...
2949 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
2951 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
2954 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
2955 declare a prototype for asm_output_align();
2957 * arm.c (thumb_condition_code): Delete.
2958 (arm_print_operand): Always use arm_condition_code array.
2960 * arm.c (thumb_return_addr_rtx): Delete.
2961 (arm_save_machine_status, arm_restore_machine_status): Delete.
2962 (arm_init_machine_status, arm_mark_machine_status): New functions.
2963 (arm_init_expanders): Update accordingly.
2964 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
2965 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
2966 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
2968 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
2970 * configure.in : Fix arm-*-aout target to use new t-arm-aout
2972 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
2975 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
2977 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
2978 stack backtrace structure.
2980 * config/arm/arm-protos.h: Add prototypes for functions defined in
2983 * config/arm/arm.c (arm_override_options): Fix selection of
2984 attributes of default processor.
2986 * config/arm/coff.h: Delete needless #include.
2988 * config/arm/pe.c: Delete unused code.
2990 * config/arm/pe.h (CPP_DEFINES): Delete
2991 (SUBTARGET_CPP_SPEC): Define.
2992 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
2994 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
2996 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
2998 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
3000 (CAN_DEBUG_WITHOUT_FP): Define.
3001 (FIXED_REGISTERS): Make r11 call-saved.
3002 (CALL_USED_REGISTERS): Likewise.
3003 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
3004 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
3005 frame-pointer is required.
3006 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
3007 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
3008 if the target normally needs a stack frame in non-leaf functions.
3009 (use_return_insn): Correct logic for determining when a return
3010 instruction can be used.
3011 (output_return_instruction): Handle the frame-pointer register as
3012 a normal register when not TARGET_APCS_FRAME.
3013 (arm_output_prologue): Likewise.
3014 (arm_output_epilogue): Likewise.
3015 (output_func_epilogue): Likewise.
3016 (arm_expand_prologue): Likewise.
3017 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
3019 * arm.c (use_return_insn): No need to check floating point regs if
3021 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
3022 the code of value stored in the minipool array.
3023 (arm_add_minipool_constant): Likewise.
3025 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3027 * basic-block.h (conflict_graph_enum_fn): K&R fix.
3029 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3031 * tree.c (tree_expr_nonnegative_p): New function.
3033 * tree.h (tree_expr_nonnegative_p): Declare.
3035 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
3036 elide some sign_compare warnings.
3037 (build_conditional_expr): Likewise.
3039 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
3041 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
3043 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
3044 * i386.c (print_operand): Use the proper suffix for a 387 HImode
3045 operand. Abort if a 387 operand has an unsupported size.
3047 2000-04-08 Neil Booth <NeilB@earthling.net>
3049 * cppexp.c (parse_charconst): Null does not end character
3051 * cppinit.c (ISTABLE): Null character handled as whitespace.
3052 * cpplex.c (null_warning): new function.
3053 (skip_string): Emit warning if nulls encountered.
3054 (_cpp_skip_hspace): Emit warning if nulls encountered.
3055 (_cpp_lex_token): Emit warning if nulls encountered. Drop
3059 2000-04-07 Richard Henderson <rth@cygnus.com>
3061 * flow.c (loop_depth): Remove.
3062 (reg_next_use, cc0_live, mem_set_list): Replace with ...
3063 (struct propagate_block_info): New.
3064 (life_analysis): Don't allocate reg_next_use.
3065 (propagate_block_delete_insn): Break out of propagate_block.
3066 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
3067 (propagate_block_delete_libcall): Likewise.
3068 (propagate_block): Create a propagate_block_info struct to pass
3069 to subroutines. Allocate one not two temporary regsets. Don't
3070 clobber memory for const calls. Look for clobbers in
3071 CALL_INSN_FUNCTION_USAGE.
3072 (mark_set_regs): Recognize COND_EXEC.
3073 (mark_set_reg): Break out of mark_set_1.
3074 (mark_used_reg): Break out of mark_used_regs.
3075 (mark_used_regs): Recognize COND_EXEC.
3076 (insn_dead_p): Use propagate_block_info struct.
3077 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
3078 (find_auto_inc, try_pre_increment_1): Likewise.
3079 (print_rtl_with_bb): Dump regs live at end too.
3080 (count_reg_sets_1): Pass in loop_depth.
3081 (count_reg_sets, count_reg_references): Likewise.
3082 (recompute_reg_usage): Provide it.
3084 2000-04-07 Richard Henderson <rth@cygnus.com>
3086 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
3089 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
3091 * cpplib.c (do_elif): Skip the rest of the line if we're
3092 not going to bother evaluating it.
3093 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
3094 to avoid pointless calls to the lexer.
3096 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
3098 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
3100 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
3102 * calls.c (expand_call): emit_queue if we're trying a sibcall.
3104 2000-04-07 Jakub Jelinek <jakub@redhat.com>
3106 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
3108 2000-04-06 Geoff Keating <geoffk@cygnus.com>
3110 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
3111 crtend so they can be multilibbed.
3112 (STAGESTUFF): Remove s-crt and s-crtS.
3114 2000-04-07 Richard Henderson <rth@cygnus.com>
3116 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
3117 if we discover we need a pseudo and no_new_pseudos is true.
3118 * config/alpha/alpha.md (ne:DI insn): New.
3119 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
3121 2000-04-07 Richard Henderson <rth@cygnus.com>
3123 * rtl.def (COND_EXEC): New.
3124 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
3125 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
3127 * genconfig.c (have_cond_arith_flag): Remove.
3128 (have_cond_exec_flag): New.
3129 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
3130 (main): Print HAVE_conditional_execution.
3132 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
3133 (sched_analyze_insn, print_pattern): Likewise.
3134 * reload.c (find_equiv_reg): Likewise.
3135 * rtlanal.c (reg_referenced_p): Likewise.
3136 (note_stores, dead_or_set_regno_p): Likewise.
3137 (reg_overlap_mentioned_p): Rewrite to use a switch.
3139 * ggc.h (struct rtx_def): Forward declare.
3141 * print-rtl.c (debug_rtx_range): New.
3142 * rtl.h (debug_rtx_range): Declare.
3144 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
3146 * gcse.c (gcse_main): Don't rebuild the CFG here.
3147 (delete_null_pointer_checks): Likewise.
3148 * ssa.c (convert_to_ssa): Likewise.
3149 * toplev.c (rest_of_compilation): Do it here instead. Combine
3150 sequential calls to TIMEVAR. Consistently use `insns' instead of
3151 `get_insns()'. Always split insns after reload when optimizing.
3153 * basic-block.h (merge_blocks_nomove): Declare.
3154 (tidy_fallthru_edge): Declare.
3155 * flow.c (merge_blocks_nomove): Document as merging into previous
3156 blocks. Remove cruft from between blocks; remove all edges out of A.
3157 (tidy_fallthru_edge): Export.
3159 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3161 * ssa.c (compute_conservative_reg_partition): Declare with
3163 * toplev.c (clean_dump_file): Remove previously-deleted function
3164 inadvertantly merged back in.
3165 * conflict.c (conflict_graph_add): Use a single call to
3166 htab_find_slot to look up and insert.
3168 2000-04-06 Richard Henderson <rth@cygnus.com>
3170 * genrecog.c (*): Rename _last_insn to last_insn.
3171 (make_insn_sequence): Set the position of the peephole2 C test
3172 to be at the last insn.
3174 2000-04-06 Richard Henderson <rth@cygnus.com>
3176 * flow.c (compute_flow_dominators): Free worklist.
3178 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
3180 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
3182 2000-04-06 Alex Samuel <samuel@codesourcery.com>
3184 * rtl.h (INSN_P): New macro.
3185 (successor_phi_fn): New typedef.
3186 (for_each_successor_phi): New prototype.
3187 (in_ssa_form): New variable.
3188 (PHI_NODE_P): Likewise.
3189 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
3190 phi nodes in successors.
3191 (mark_used_regs): Add PHI case.
3192 (set_phi_alternative_reg): New function.
3193 (life_analysis): Assert that dead code elimination is not selected
3195 * toplev.c (to_ssa_time): New variable.
3196 (from_ssa_time): Likewise.
3197 (compile_file): Zero to_ssa_time and from_ssa_time.
3198 Print time to convert to and from SSA.
3199 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
3200 (print_time): Compute percent fraction as integer.
3201 * ssa.c (PHI_NODE_P): Moved to rtl.h.
3202 (convert_to_ssa): Check if we're already in SSA.
3203 Don't eliminate dead code in life_analysis.
3204 Rerun flow and life analysis at bottom.
3205 (eliminate_phi): Use canonical regnos when adding nodes.
3206 (mark_reg_in_phi): New function.
3207 (mark_phi_and_copy_regs): Likewise.
3208 (convert_from_ssa): Rerun life analysis at top.
3209 Use coalesced partition.
3210 Check for removing a phi node at the end of the block.
3211 (compute_coalesced_reg_partition): New function.
3212 (coalesce_regs_in_copies): Likewise.
3213 (coalesce_reg_in_phi): Likewise.
3214 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
3215 (for_each_successor_phi): Likewise.
3216 (rename_context): New struct.
3217 (rename_block): Use a rename_context with rename_insn_1. When
3218 renaming sets of a subreg, emit a copy of the entire reg first.
3219 (rename_insn_1): Treat data as a rename_context *. Save current
3221 (rename_set_data): Add field set_insn.
3222 * Makefile.in (HASHTAB_H): Move up in file.
3223 (OBSTACK_H): New macro.
3224 (collect2.o): Use OBSTACK_H in dependencies.
3225 (sdbout.o): Likewise.
3226 (emit-rtl.o): Likewise.
3227 (simplify-rtx.o): Likewise.
3228 (fix-header.o): Likewise.
3229 (OBJS): Add conflict.o.
3230 (conflict.o): New rule.
3231 * basic-block.h: Include partition.h.
3232 (conflict_graph): New typedef.
3233 (conflict_graph_enum_fn): Likewise.
3234 (conflict_graph_new): New prototype.
3235 (conflict_graph_delete): Likewise.
3236 (conflict_graph_add): Likewise.
3237 (conflict_graph_conflict_p): Likewise.
3238 (conflict_graph_enum): Likewise.
3239 (conflict_graph_merge_regs): Likewise.
3240 (conflict_graph_print): Likewise.
3241 (conflict_graph_compute): Likewise.
3242 * conflict.c: New file.
3244 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
3246 * tlink.c (read_repo_files): Don't look for .rpo info for
3249 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3251 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
3253 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3255 * config/sh/lib1funcs.asm (___udivsi3_i4):
3256 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
3257 only depends on FMOVD_WORKS.
3259 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3261 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
3262 make double constant 8-byte aligned.
3264 2000-04-06 Jakub Jelinek <jakub@redhat.com>
3266 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
3267 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
3268 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
3269 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
3270 Accept storing GENERAL_REGS into offsetable memory.
3271 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
3272 building a TFmode constant other than 0.0L into GENERAL_REGS.
3274 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
3276 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
3278 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
3280 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
3281 (macro_cleanup): No need to cast pbuf->macro.
3282 (collect_expansion): Use _cpp_get_define_token. Goto done if
3283 it returns VSPACE. Remove check for trailing space after
3285 (_cpp_create_definition): Don't diddle flags here. Return
3287 (unsafe_chars): Handle c1 being EOF.
3288 (push_macro_expansion): Use unsafe_chars for both accidental-paste
3289 checks. Don't push the buffer till after we're done with
3291 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
3292 (PEEKN, FORWARD, GETC, PEEKC): Use them.
3293 (cpp_push_buffer): Don't set new->alimit. Set new->mark
3295 (_cpp_parse_assertion): Don't NUL terminate.
3296 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
3297 hspace before calling _cpp_parse_assertion. Remove all sets
3298 of only_seen_white. Treat '\f' as hspace. Don't do anything
3299 special with '\n' here.
3300 (maybe_macroexpand): Handle T_EMPTY hash entries without
3301 pushing a buffer at all.
3302 (cpp_get_token): Handle clearing only_seen_white here. Handle
3303 incrementing the line number here. Clear
3304 potential_control_macro as well as only_seen_white, if
3306 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
3307 (_cpp_get_define_token): New function, basically like
3308 _cpp_get_directive_token was but doesn't eat horizontal space.
3309 Don't do anything with only_seen_white here.
3310 (_cpp_get_directive_token): Just call _cpp_get_define_token
3311 repeatedly till it returns non-hspace.
3313 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
3314 (conditional_skip, skip_if_group): Return int.
3315 (DIRECTIVE_TABLE): Change origin of all conditional directives
3317 (TRAD_DIRECT_P): New macro.
3318 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
3319 an error for a bogus directive, unless -lang-asm. Use
3320 TRAD_DIRECT_P. Loop calling handler functions till one returns
3322 (get_macro_name): Don't diddle flags here.
3323 (do_define): Diddle flags here. Use _cpp_get_directive_token.
3324 Create T_EMPTY nodes for #define macro /* nothing */.
3325 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
3326 Use hp->name when calling pass_thru_directive.
3327 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
3328 Return the result of conditional_skip and/or skip_if_group.
3329 Don't call _cpp_output_line_command.
3330 (consider_directive_while_skipping): Use _cpp_get_directive_token.
3331 Issue -Wtraditional warnings as appropriate. Don't complain
3332 about unrecognized directives. If we are to stop skipping,
3333 return the number of the directive that ended the skip.
3334 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
3335 expansion and line commands while skipping. Return the result
3336 of consider_directive_while_skipping, if nonzero.
3337 (do_endif): Just set potential_control_macro here.
3338 (validate_else): Use _cpp_get_directive_token.
3339 (do_assert, do_unassert): Don't save pointers into the
3340 token_buffer across calls to the lexer. Use
3341 _cpp_get_directive_token.
3343 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
3344 pointer, not an offset. Replace 'data', which was a generic
3345 pointer, with 'macro', which points to a struct hashnode.
3346 (cpp_reader): Add 'potential_control_macro' pointer.
3347 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
3348 (CPP_BUF_GET, CPP_FORWARD): Delete.
3349 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
3350 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
3351 ACTIVE_MARK_P): Update.
3352 (_cpp_get_define_token): New internal function.
3353 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
3355 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
3357 * configure.in: And here.
3358 * configure: Regenerate.
3359 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
3360 --enable-libstdcxx-v3 is passed at configure time.
3361 * config.h.in: Regenerate.
3363 2000-04-05 Mark Mitchell <mark@codesourcery.com>
3365 * final.c (final): Use xcalloc to allocate line_note_exists.
3366 * function.c (free_after_compilation): Free the temp_slots.
3367 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
3368 (combine_temp_slot): Free temp_slots when they get combined.
3369 (purge_addressof): Fix typo in comment.
3370 * stmt.c (mark_goto_fixup): Mark the fixup itself.
3371 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
3373 * ggc.h: Include varray.h.
3374 (ggc_pending_trees): Declare.
3375 (ggc_mark_tree_children): Remove declaration.
3376 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
3377 * ggc-common.c (ggc_pending_trees): New variable.
3378 (ggc_mark_roots): Call ggc_mark_trees.
3379 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
3380 the ggc_pending_trees.
3381 * Makefile.in (GGC_H): New variable. Use it throughout in place
3384 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3386 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
3389 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3391 * sh.c (sh_insn_length_adjustment): New function.
3392 * sh-protos.h (sh_insn_length_adjustment): Declare.
3393 * sh.h (ADJUST_INSN_LENGTH): Use it.
3395 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
3397 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
3398 from the insn where REG_RETVAL is added.
3399 (emit_no_conflict_block): Ditto.
3401 * md.texi (Standard Names): Clarify when movX is needed.
3403 * combine.c (simplify_comparison) [MINUS]: Do not replace
3404 all (op (minus A B) 0) with (op A B).
3406 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
3407 J"orn Rennecke <amylaar@cygnus.co.uk>
3409 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
3410 (block_lump_real): Likewise.
3412 2000-04-05 Chris Demetriou <cgd@netbsd.org>
3414 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
3415 remaining non-zero debugging masks.
3417 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
3419 * basic-block.h (verify_flow_info): Declare.
3420 (flow_loop_outside_edge_p): Declare.
3421 * flow.c (verify_flow_info): Remove declaration.
3422 (clear_log_links, flow_loop_outside_edge_p): Likewise.
3424 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
3426 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
3429 2000-04-05 Jakub Jelinek <jakub@redhat.com>
3431 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
3432 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
3433 seqdi_zero_trunc+1): Allow splits only if registers are
3436 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
3438 * acconfig.h: Add HAVE_GAS_HIDDEN.
3439 * config.in: Regenerated.
3440 * configure.in: Add test for .hidden pseudo-op in gas.
3441 * configure: Regenerated.
3442 * crtstuff.c: Include auto-host.h.
3443 Emit additional .hidden pseudo-op for __dso_handle if the
3444 assembler knows about it.
3446 2000-04-04 Philippe De Muyter <phdm@macqel.be>
3448 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
3449 before freeing argnames.
3450 * cpplib.c (do_ifndef): Cast return value of xstrdup.
3452 2000-04-05 Michael Meissner <meissner@redhat.com>
3454 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
3455 Walton <jonboy@gordian.com> to make memory references with update
3456 work wtih -mregnames.
3458 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3460 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
3461 (regrename_optimize): Rename variables `def_uses' and
3462 `ext_basic_blocks' to avoid conflicts with similarly named
3463 typedefs in traditional C.
3465 * calls.c (initialize_argument_information): Fix typo in previous
3468 2000-04-04 Richard Henderson <rth@cygnus.com>
3470 * regrename.c (consider_available): Test fixed_regs not
3471 PIC_OFFSET_TABLE_REGNUM.
3473 2000-04-04 Geoff Keating <geoffk@cygnus.com>
3475 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
3477 (CRTSTUFF_T_CFLAGS_S): Delete definition.
3478 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
3479 (ENDFILE_LINUX_SPEC): Always use crtend.
3480 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
3481 (powerpc-*-linux-gnu): Likewise.
3482 * configure: Regenerate.
3484 * config/rs6000/eabi.h: Don't include sysv4.h.
3485 (MULTILIB_DEFAULTS): Don't define.
3486 * config/rs6000/eabiaix.h: Don't include eabi.h.
3487 * config/rs6000/eabile.h: Delete.
3488 * config/rs6000/eabilesim.h: Delete.
3489 * config/rs6000/eabisim.h: Don't include eabi.h.
3490 * config/rs6000/linux.h: Don't include sysv4.h.
3491 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
3492 (MULTILIB_DEFAULTS): Don't redefine.
3493 * config/rs6000/rtems.h: Don't include eabi.h.
3494 * config/rs6000/sol2.h: Don't include sysv4le.h.
3495 * config/rs6000/sysv4le.h: Don't include sysv4.h.
3496 * config/rs6000/t-ppc: Delete.
3497 * config/rs6000/t-ppcgas: Correct comment.
3498 * config/rs6000/t-ppcos: Correct comment. Don't build
3499 multilibs for -fPIC, rather use -fPIC -mstrict-align
3501 * config/rs6000/t-ppc: Delete.
3502 * config/rs6000/vxppc.h: Don't include sysv4.h.
3503 * config/rs6000/vxppcle.h: Delete.
3504 * configure.in: Use multiple header files for p2pc ELF targets
3505 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
3506 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
3507 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
3508 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
3509 always available for these platforms.
3511 2000-04-04 Richard Henderson <rth@cygnus.com>
3513 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
3515 2000-04-04 Stan Cox <scox@cygnus.com>
3517 * Makefile.in: Add rules for regrename.o
3518 * regrename.c: New file.
3519 * rtl.h (regrename_optimize): Add prototype.
3520 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
3521 (compile_file, decode_d_option): Add support for -frename-registers.
3522 (rest_of_compilation): Call regrename_optimize.
3523 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
3526 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
3528 * Makefile (gccbug): New target.
3529 (doc): Depend on it.
3530 * gcc.texi (Bugs): Link subnodes.
3532 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
3533 Document severities, priorities, and classes in bug form.
3535 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
3537 * cpplex.c (trigraph_map, speccase): Combine into single
3539 (NORMAL, NONTRI): New macros.
3540 (_cpp_read_and_prescan): Change to use unified table. Use
3541 is_hspace to test for whitespace.
3543 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
3544 definition that doesn't provoke the "empty body in an
3545 if-statement" warning.
3547 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
3549 * builtins.c (expand_builtin_strlen): Force the source to
3550 be a memory address.
3552 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3554 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
3556 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3558 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
3559 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
3560 (ECF_IS_CONST): Rename to ECF_CONST.
3561 (special_function_p): Make static, change interface.
3562 (flags_from_decl_or_type, try_to_integrate): Break out from ...
3563 (expand_call) ... here; convert number of variables to flags.
3564 (emit_library_call_vlue_1): Likewise.
3565 (setjmp_call_p): New function.
3566 (initialize_argument_information): Accepts flags as argument;
3568 (precompute_arguments): Likewise.
3569 * tree.h (special_function_p): Remove.
3570 (setjmp_call_p): Add prototype.
3572 2000-04-04 Jakub Jelinek <jakub@redhat.com>
3574 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
3575 so that addresses are offsetable by up to 16 bytes.
3576 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
3577 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
3580 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
3581 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
3582 (movsf): Don't force any constant to memory if target is integer
3584 Move fp_zero_operand check below the const0_rtx check.
3585 (movtf): Likewise. Also allow fp_zero_operand for stores into
3587 (movdf): Likewise. Also allow fp_zero_operand for stores into
3588 memory and into integer hard registers.
3589 (clear_df, clear_dfp, movdf_const_intreg_sp32,
3590 movdf_const_intreg_sp64): Remove.
3591 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
3593 (movdf_no_e_insn_v9_sp32): New pattern.
3594 (movdf_insn_v9only): Remove.
3595 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
3596 (movdf_insn_sp64): Remove.
3597 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
3598 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
3599 (following splits): Rewrite conditions. Add two new splits
3600 for storing 0.0 into memory and registers.
3601 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
3602 (movtf_insn_sp32): Redo constraints and conditions.
3603 (movtf_insn_vis_sp32): New pattern.
3604 (movtf_no_e_insn_sp32): Redo constraints and conditions.
3605 (movtf_insn_hq_sp64): Likewise.
3606 (movtf_insn_hq_vis_sp64): New pattern.
3607 (movtf_insn_sp64): Redo constraints and conditions.
3608 (movtf_insn_vis_sp64): New pattern.
3609 (movtf_no_e_insn_sp64): Redo constraints and conditions.
3610 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
3612 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
3613 -mvis or -m64 to take down the number of various reload patterns.
3615 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
3617 * pa/pa-64.h: New file.
3618 * pa/pa64-regs.h: New file.
3619 * pa/pa64-start.h: New file.
3620 * pa/t-pa64: New file.
3621 * pa/xm-pa64hpux.h: New file.
3623 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3625 * sparc.c (output_restore_regs): Prototype.
3626 (sparc_emit_float_lib_cmp): Constification.
3628 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
3630 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
3633 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
3634 (get_value_hash, hash_rtx): Likewise.
3636 * ssa.c (compute_conservative_reg_partition): Prototype.
3638 * tree.c (mark_hash_entry): Prototype.
3640 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
3642 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
3643 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
3644 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
3646 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
3647 * objc/lang-specs.h: Likewise.
3649 2000-04-03 Neil Booth <NeilB@earthling.net>
3651 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
3652 and SYNTAX_ERROR2. Replace `' in messages with ''.
3653 (op_to_str): Make re-entrant.
3654 (_cpp_parse_expr): Implement new error macros. Use | rather
3655 than || to logically or 2 boolean integers. Simply expression
3656 checking we have a left operand iff needed.
3658 2000-04-03 Nick Clifton <nickc@cygnus.com>
3660 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
3662 2000-04-03 Philip Blundell <philb@gnu.org>
3664 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
3666 2000-04-03 Felix Lee <flee@cygnus.com>
3668 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
3669 (run_shell): Use it.
3671 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
3673 * Makefile.in (stmp-int-hdrs): Make include subdir here...
3674 (stmp-fixproto): ...rather than here.
3676 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
3678 * pa.c (print_operand): Compute 'base' only inside the code paths
3681 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
3683 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
3686 2000-04-03 Philipp Thomas <pthomas@suse.de>
3688 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
3690 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
3692 * Makefile.in (alias.o): Depend on $(TREE_H).
3694 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
3696 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
3698 * cpplib.c (_cpp_handle_directive): Improve warnings for
3699 traditional C and indented directives.
3701 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
3702 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
3703 fixinc/inclhack.def: Indent the # of #include_next one space.
3704 * cp/rtti.c: Un-indent #if and #endif.
3706 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
3707 syntax error, but an error has already been printed.
3708 * cpplex.c (_cpp_parse_assertion): Give a more specific error
3709 message when called with nothing remaining on the line.
3710 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
3711 OTHER token, not an ASSERTION.
3712 * cpplib.c (do_assert): When we create a 'base' node, clear
3713 its aschain pointer.
3715 2000-04-02 Neil Booth <NeilB@earthling.net>
3717 * cppexp.c: New typedef op_t. struct operation and struct
3718 token updated to use it.
3719 (op_to_str): New function.
3720 (_cpp_parse_expr): Error messages modified to use op_to_str.
3722 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3724 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
3725 before checking MUST_PASS_IN_STACK.
3727 2000-04-02 Neil Booth <NeilB@earthling.net>
3729 * cppexp.c: New FINISHED dummy token. Combine operator initial
3730 flags and initial priority into a single constant. New
3731 EQUALITY macro. New operator flag SHORT_CIRCUIT.
3732 (_parse_cpp_expr): Implement new constants. Take left operand
3733 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
3734 parse indicated by reducing FINISHED token. Remove new lines
3735 from cpp_error messages.
3737 2000-04-01 Mark Mitchell <mark@codesourcery.com>
3739 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
3742 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
3744 * cpplib.c: Include symcat.h. Add 'origin' field to struct
3745 directive. Add origin values to DIRECTIVE_TABLE. Generate
3746 the strings and function names on the fly. Take the #sccs
3747 entry out of the table if SCCS_DIRECTIVE is not defined.
3748 (_cpp_handle_directive): Decide if the # was at the beginning
3749 of the line here. Issue -pedantic warnings for extended
3750 directives here. Warn about K+R directives with the #
3751 indented, and C89/extended directives with the # not indented,
3753 (do_import, do_include_next, do_warning, do_ident, do_sccs,
3754 do_assert, do_unassert): Don't issue pedantic warning here.
3756 * cpphash.h: Add CPP_WTRADITIONAL macro.
3757 * cpplib.h (struct cpp_options): Rename warn_stringify to
3758 warn_traditional; update comments.
3759 * cppinit.c (handle_option): Set warn_traditional not
3761 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
3762 CPP_WTRADITIONAL (pfile).
3763 * cpplex.c (_cpp_lex_token): Don't decide if directives should
3764 be ignored in -traditional mode here.
3766 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
3767 to initialize speccase[] and trigraph_map[]. Delete all
3768 references to pfile->input_speccase. Always treat '?' as a
3769 special character. Remove table-initialization code from
3770 _cpp_init_input_buffer.
3772 * cpplib.h (struct cpp_reader): Remove input_speccase field.
3773 * cppinit.c (cpp_cleanup): Don't free input_speccase.
3775 2000-04-01 Richard Henderson <rth@cygnus.com>
3777 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
3778 (mostlyclean): Likewise.
3780 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
3781 (struct dump_file_info, enum dump_file_index, dump_file): New.
3782 (open_dump_file): Take a dump_file_index not a suffix, and a decl
3783 not a string. Clean out file if we havn't yet done so. Do nothing
3784 if the dump isn't enabled.
3785 (close_dump_file): Do nothing if the dump isn't open. Dump
3786 graph data if requested.
3787 (dump_rtl, clean_dump_file): Remove.
3788 (compile_file): Don't clean the dump files. Only finalize .bp dump
3789 if flag_test_coverage or flag_branch_probabilities. Only finalize
3790 .combine dump if optimizing. Iterate over dump_file to finalize the
3792 (rest_of_compilation): Update for open_dump_file/close_dump_file.
3793 Convert all uses of dump_rtl.
3794 (decode_d_option): Iterate over dump_file to implement 'a' and to
3795 locate pass-specific dumps.
3797 2000-04-01 Neil Booth <NeilB@earthling.net>
3799 * cppexp.c: Redefine priority constants.
3800 (_cpp_parse_expr): Replace left and right priority scheme with
3801 single priority logic. Move LOGICAL to same place as COMPARE.
3802 Remove bogus check for multiple unary +/- operators.
3804 2000-04-01 Neil Booth <NeilB@earthling.net>
3806 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
3807 within the switch statement. Binary operations break out of
3808 the switch naturally. '(' tokens handled by forcing
3809 immediate shift. ')' handled by forcing immediate reduce to
3810 the previous '('. New error messages.
3812 2000-03-31 Geoff Keating <geoffk@cygnus.com>
3814 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
3815 part', it's already in use. Use %K instead. Add a return at the
3816 end of what is now %K.
3817 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
3819 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
3821 * builtins.c (expand_builtin_apply): Pass proper parameters to
3822 allocate_dynamic_stack_space.
3823 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
3824 update stack_pointer_delta; do not update arg_size_so_far.
3825 (compute_argument_block_size): Use stack_delta instead of
3826 stack_pointer_pending and arg_size_so_far.
3827 (expand_call): Add sanity checking for stack_pointer_delta;
3828 save and restore stack_pointer_delta for SIB, use
3829 stack_pointer_delta for alignment; do not update arg_space_so_far.
3830 (emit_library_call_value): Use stack_pointer_delta for alignment.
3831 (store_one_arg): Do not update arg_space_so_far.
3832 * explow.c (adjust_stack, anti_adjust_stack): Update
3833 stack_pointer_delta.
3834 (allocate_dynamic_stack_space): Add sanity checking for
3835 stack_pointer_delta.
3836 * expr.c (init_expr, clear_pending_stack_adjust): Clear
3837 stack_pointer_delta.
3838 (emit_push_insn): Update stack_pointer_delta.
3839 * function.h (struct expr_status): Add x_stack_pointer_delta;
3840 remove x_arg_space_so_far.
3841 (arg_space_so_far): Remove.
3842 (stack_pointer_delta): New macro.
3844 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
3846 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
3847 Reorder struct cpp_options and struct cpp_reader for better
3848 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
3849 takes two args. Change all 'char' flags to 'unsigned char'.
3850 Move show_column flag into struct cpp_options. Don't
3851 prototype cpp_options_init.
3852 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
3853 cppinit.c, cpplex.c, cpplib.c:
3854 Replace CPP_OPTIONS (pfile)->whatever with
3855 CPP_OPTION (pfile, whatever), and likewise for
3856 opts = CPP_OPTIONS (pfile); ... opts->whatever;
3858 * cppinit.c (merge_include_chains): Take a cpp_reader *.
3859 Extract CPP_OPTION (pfile, pending) and work with that
3861 (cpp_options_init): Delete.
3862 (cpp_reader_init): Turn on on-by-default options here.
3863 Allocate the pending structure here.
3864 (cl_options, enum opt_code): Define these from the same table,
3865 kept in a large macro. Add -fshow-column and -fno-show-column
3868 * cpperror.c (v_message): If show_column is off, don't print
3871 * cppmain.c: Update for new interface.
3872 * fix-header.c: Likewise.
3874 2000-03-30 Geoff Keating <geoffk@cygnus.com>
3876 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
3878 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
3879 are passed to any invocation of AR_FOR_TARGET.
3880 (AR_CREATE_FOR_TARGET): New macro.
3881 (AR_EXTRACT_FOR_TARGET): New macro.
3882 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
3883 AR_EXTRACT_FOR_TARGET.
3884 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
3885 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
3886 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
3887 AR_EXTRACT_FOR_TARGET to sub-makes.
3889 2000-03-31 Neil Booth <NeilB@earthling.net>
3891 * cppexp.c: Delete SKIP_OPERAND. Correct priority
3893 (_cpp_parse_expr): Check for multiple unary +/- operators.
3894 Correct priorities of ':' and '?'. Treat ')' as having a
3895 value. Ensure conditional expression is not void.
3897 2000-03-31 Mark Mitchell <mark@codesourcery.com>
3899 * alias.c (canon_rtx): Make it global.
3900 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
3902 * cse.c (struct table_elt): Add canon_exp.
3904 (invalidate): Canonicalize expressions only once.
3905 * rtl.h (canon_rtx): Declare.
3907 2000-03-30 Mark Mitchell <mark@codesourcery.com>
3909 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
3910 * alias.c (reg_known_value): Add comments.
3911 (init_alias_analysis): Likewise.
3912 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
3914 (cse_basic_block): Fix typo in comment.
3915 * emit-rtl.c: Include hashtab.h.
3916 (const_int_htab): New variable.
3917 (const_int_htab_hash): New function.
3918 (const_int_htab_eq): Likewise.
3919 (rtx_htab_mark_1): Likewise.
3920 (rtx_htab_mark): Likewise.
3921 (gen_rtx_CONST_INT): Cache all CONST_INTs.
3922 (unshare_all_rtx): Fix formatting.
3923 (init_emit_once): Initialize const_int_htab.
3924 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
3926 * rtl.texi: Document the fact that all CONST_INTs with the same
3929 2000-03-30 Richard Henderson <rth@cygnus.com>
3931 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
3933 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
3935 * configure.in: Comment out --enable-c-cpplib stanza.
3936 * configure: Regenerate.
3938 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3940 * expr.c (store_constructor): Properly compute displacement and
3941 alignment when offset is variable.
3943 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
3944 cases of alignment in bytes.
3946 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
3948 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
3949 since it is used to generate c-parse.y.
3950 * objc-parse.c, objc-parse.y: Regenerated.
3952 * function.c (expand_function_end): Pass alignment argument to
3953 emit_block_move in bits, not bytes.
3955 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3957 * expr.c (move_by_pieces_ninsns): Fix one more missing align
3960 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
3962 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
3963 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
3964 * function.c (assign_parms): Likewise.
3965 * integrate.c (expand_inline_function): Likewise.
3966 * stmt.c (expand_decl): Likewise.
3967 (copy_rtx_and_substitute): Likewise.
3968 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
3969 (clear_by_pieces): Fix error in last change.
3970 * emit-rtl.c (init_emit): Set known registers alignment in bits.
3971 * function.h (regno_pointer_align): Now unsigned.
3972 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
3974 * config/i386/i386.c (aligned_operand): Likewise.
3975 * config/sparc/sparc.c (mem_min_alignment): Likewise.
3976 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
3977 (unaligned_memory_operand): Likewise.
3978 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
3979 Also make alignments and sizes unsigned and some whitespace cleanup.
3980 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
3982 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
3983 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
3984 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
3985 (expand_builtin_memset): Likewise, but to clear_storage.
3986 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
3987 (restore_fixed_argument_area): Likewise.
3988 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
3989 (load_register_parameters): Likewise, to emit_group_load.
3990 (expand_call): Likewise, to emit_group_store and emit_block_move.
3991 (emit_library_call_value_1): Likewise, to emit_block_move.
3992 (store_one_arg): Likewise, and to emit_push_insn.
3993 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
3994 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
3995 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
3996 (emit_block_move, emit_group_load, emit_group_store): Likewise.
3997 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
3998 (expand_assigment, store_expr, store_constructor_field): Likewise.
3999 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
4000 (store_constructor, store_field, get_inner_reference): Likewise.
4001 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
4002 (expand_expr, case COMPONENT_REF): Likewise.
4003 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
4004 and positions; reindent code.
4005 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
4006 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
4007 (assign_parms): Likewise to emit_group_store.
4008 * optabs.c (prepare_cmp_insn): Alignment is in bits.
4009 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
4010 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
4011 (expand_return): Likewise to {extract,store}_bit_field.
4012 * stor-layout.c (get_mode_alignment): Minor cleanup.
4013 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
4014 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
4016 2000-03-29 Nick Clifton <nickc@cygnus.com>
4018 * config/arm/arm.h: Undo effects of previous delta:
4019 (ASM_SPEC): Do not define.
4020 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
4022 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
4025 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4027 * cppinit.c (cpp_start_read): Call initialize_dependency_output
4028 only after reading in the primary source file.
4030 2000-03-29 Geoff Keating <geoffk@cygnus.com>
4032 * c-common.c (c_common_nodes_and_builtins): The first parameter to
4033 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
4034 or a reference to a va_list.
4035 * builtins.c (stabilize_va_list): Simplify now we don't have to
4036 work around C array address decay.
4037 * c-typeck.c (convert_for_assignment): Handle assignment to
4038 a reference parameter by taking the address of the RHS.
4039 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
4040 (va_copy): Likewise.
4041 (__va_copy): Likewise.
4042 * ginclude/varargs.h (va_start): Likewise.
4043 (__va_copy): Likewise.
4045 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
4047 * i386/djgpp.h: Remove extraneous "+".
4049 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
4051 * calls.c (expand_call): Fix typo in last change.
4053 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
4055 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
4058 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4060 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
4061 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
4062 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
4063 * tree.c (bit_position, byte_position): Likewise.
4064 * tree.h: Declare new functions.
4066 2000-03-29 Nick Clifton <nickc@cygnus.com>
4068 * config/arm/arm.c: Minor formatting changes/
4069 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
4071 (ASM_SPEC): Define if not already defined.
4073 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
4075 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
4078 2000-03-29 Jakub Jelinek <jakub@redhat.com>
4080 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
4081 value, don't output it as unsigned.
4083 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
4085 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
4087 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4089 * c-common.c (c_common_nodes_and_builtins): Don't special case
4090 cplus_mode when declaring builtin bzero/bcmp, always avoid
4091 prototype arguments.
4093 2000-03-29 Bruce Korb <bkorb@gnu.org>
4095 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
4098 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
4100 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
4101 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
4102 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
4103 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
4104 (save_fixed_argument_area, restore_fixed_argument_area):
4105 conditionize by #ifdef REG_PARM_STACK_SPACE only.
4106 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
4107 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
4108 (precompute_register_parameters): Avoid #ifdefs on
4109 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
4110 (stire_one_args): Likewise.
4111 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
4112 (emit_library_call_value_1): Likewise.
4113 (compute_argument_block_size): Align to STACK_BOUNDARY only for
4114 ACCUMULATE_OUTGOING_ARGS.
4115 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
4117 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
4118 (use_crosses_set_p): Likewise.
4119 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
4120 #define ACCUMULATE_OUTGOING_ARGS 1.
4121 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
4123 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
4125 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
4126 (TARGET_SWITCHES): Add push-args, no-push-args,
4127 accumulate-outgoing-args and no-accumulate-outgoing-args.
4128 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
4129 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
4130 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
4132 (emit_push_insn): Likewise.
4133 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4134 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
4135 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
4136 (STACK_DYNAMIC_OFFSET): Define correctly for both
4137 ACCUMULATE_OUTGOING_ARGS and normal mode.
4138 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
4139 * tm.texi (PUSH_ARGS): Document.
4140 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
4142 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
4144 * flags.h (flag_optimize_sibling_calls): Declare.
4145 * calls.c (expand_call): Fail sibcall when
4146 !flag_optimize_sibling_calls
4147 * invoke.texi (flag_optimize_sibling_calls): Document.
4148 * toplev.c (flag_optimize_sibling_calls): New global variable.
4149 (f_options): Add flag_optimize_sibling_calls.
4150 (rest_of_compilation): Conditionize
4151 optimize_sibling_and_tail_recursive_calls by
4152 flag_optimize_sibling_calls.
4153 (main): Set flag_optimize_sibling_calls for -O2.
4154 * stmt.c (expand_return): Conditionize tail recursion by
4155 flag_optimize_sibling_calls.
4157 2000-03-29 Richard Henderson <rth@cygnus.com>
4159 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
4160 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
4162 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
4164 * except.c (add_eh_table_entry): Mark type_info's as referenced.
4166 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4168 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
4170 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
4171 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
4172 * config/rs6000/aix.h: then modified likewise.
4174 2000-03-28 Richard Henderson <rth@cygnus.com>
4176 * rtl.h: Redistribute enum reg_note documentation.
4177 Kill trailing whitespace.
4178 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
4179 Kill trailing whitespace.
4181 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
4183 * cppfiles.c (hash_IHASH): Just return i->hash.
4184 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
4185 htab_find_with_hash.
4186 (cpp_read_file): Likewise.
4187 (find_include_file): Likewise. Properly initialize
4188 ih->nshort. Share ih->name and ih->nshort if possible.
4189 * cpphash.c (_cpp_calc_hash): New function.
4190 (hash_HASHNODE): Just return h->hash.
4191 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
4192 htab_find_with_hash.
4193 * cpphash.h: Prototype _cpp_calc_hash.
4194 * cppinit.c (initialize_builtins): Provide a valid hash
4195 to _cpp_make_hashnode, using _cpp_calc_hash.
4197 * cpphash.c (collect_expansion): # is not a special character
4198 in object-like macros. In -traditional mode, /**/ is not
4199 token paste at the beginning or end of the line.
4200 * cpplib.c (do_include, do_import, do_include_next): If
4201 parse_include fails, return immediately.
4203 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
4205 * config/arm/arm.md (return peepholes): Update to reflect the new
4207 * config/arm/arm.c (arm_volatile_func): Also check
4208 current_function_nothrow.
4209 (output_return_instruction, output_func_prologue): Use it.
4210 (arm_output_epilogue, arm_expand_prologue): Likewise.
4212 2000-03-27 Tom Tromey <tromey@cygnus.com>
4214 * gcc.c (handle_braces): In {x*...} case, break out of loop if
4217 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4219 * expr.c (store_constructor): SIZE now signed.
4220 For EXPR_SIZE, don't evaluate size; just needed if constant.
4221 * fold-const.c (fold): Fix a number of cases when folded tree is
4223 * function.c (flush_addressof): Reenable.
4224 * tree.h (flush_addressof): Likewise.
4225 * toplev.c (independent_decode_option): Look at strings_processed.
4226 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
4228 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
4230 * sibcall.c (indentify_call_return_value): Find last call in the chain;
4231 Allow stack adjustment after function call.
4233 * regmove.c (struct csa_memlist): Make mem field rtx *.
4234 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
4235 (try_apply_stack_adjustment): Replace whole MEM rtx.
4236 (combine_stack_adjustments_for_block): Update calls
4237 to record_one_stack_ref.
4239 2000-03-28 Neil Booth <NeilB@earthling.net>
4241 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
4242 '\\' rather than a null character, so nulls are not special. Fix
4243 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
4244 speed trigraph conversion.
4245 (_cpp_init_input_buffer): Initialize trigraph map.
4247 2000-03-27 Alan Modra <alan@linuxcare.com.au>
4249 * config/i386/i386.c (output_387_binary_op): Correct intel
4250 mode assembly output, and add spaces after commas in AT&T
4251 output. Correct Unixware assembler comment. Document input
4252 constraints. Comment fp operations. Reduce profligate buffer
4253 size. Remove extraneous abort. Localize temp var.
4254 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
4255 (output_fix_trunc): Add spaces after commas in assembly output.
4257 2000-03-27 Richard Henderson <rth@cygnus.com>
4259 * i386-protos.h (ix86_match_ccmode): Declare.
4260 * i386.c (ix86_match_ccmode): New.
4261 (ix86_expand_fp_compare): Update for pattern renames.
4262 (ix86_expand_strlensi_unroll_1): Likewise.
4263 * i386.h (EXTRA_CC_MODES): Add CCZ.
4264 (SELECT_CC_MODE): Use it for EQ/NE zero.
4265 * i386.md (cmpsi_ccz_1): New.
4267 (*testsi_ccz_1): New.
4268 (testqi_ccz_1): New.
4269 (cmpsi_ccno_1): Rename from cmpsi_0.
4270 (testsi_ccno_1): Rename from testsi_1.
4271 (testqi_ccno_1): Rename from testqi_1.
4272 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
4273 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
4274 (*cmphi_0): Use ix86_match_ccmode.
4275 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
4276 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
4277 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
4278 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
4279 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
4280 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
4281 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
4282 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
4283 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
4284 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
4285 (appropriate peepholes): Likewise.
4286 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
4287 (*subsi_3, *subhi_3, *subqi_3): Remove.
4288 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
4289 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
4290 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
4291 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
4292 (x86_shift_adj_1): Use CCZ.
4293 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
4295 2000-03-27 Stan Cox <scox@cygnus.com>
4297 * resource.h (mark_resource_type): New.
4298 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
4299 find_free_register): Use mark_resource_type.
4300 (mark_set_resources): Change include_delayed_effects
4301 to mark_resource_type.
4302 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
4303 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
4304 Use mark_resource_type.
4306 2000-03-27 Richard Henderson <rth@cygnus.com>
4308 * i386.md (call_pop_0, call_value_pop_0): New.
4309 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
4310 (call_value_pop_1): Likewise.
4311 (call_0, call_value_0): New.
4312 (call_1, call_value_1): Remove constraint from unused arg.
4314 2000-03-27 Nick Clifton <nickc@cygnus.com>
4316 * invoke.texi (Spec Files): Document new spec % command created by
4317 Tom Tromey's recent patch.
4319 2000-03-27 Jakub Jelinek <jakub@redhat.com>
4321 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
4324 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4326 * expr.c (expand_assignment): Fix typo in last change.
4328 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
4330 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4332 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
4333 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
4334 and DECL_INLINE if FUNCTION_DECL.
4335 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
4336 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
4337 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
4338 (combine_parm_decls): Likewise.
4339 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
4340 * print-tree.c (print_node): Likewise.
4341 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
4342 DECL_TRANSPARENT_UNION on proper decl types.
4343 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
4344 * stor-layout.c (layout_decl): Only check DECL_PACKED and
4345 DECL_BIT_FIELD of FIELD_DECL.
4346 * tree.h (DECL_RESULT_FLD): New macro.
4348 * expr.c (expand_assignment): Add code to handle variable-sized
4351 2000-03-26 Richard Henderson <rth@cygnus.com>
4353 * calls.c (expand_call): Pass parms not original exp to
4354 optimize_tail_recursion. Mind return value instead of looking
4356 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
4357 call_expr. Move checks for call_expr and current_function_decl ...
4358 (expand_return): ... here.
4360 2000-03-26 Tom Tromey <tromey@cygnus.com>
4362 * gcc.c (handle_braces): Recognize `%{<S}' construct.
4363 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
4365 (process_command): Use them.
4366 (check_live_switch): Likewise.
4367 (give_switch): Skip ignored switches.
4369 2000-03-26 Jan Hubicka <jh@suse.cz>
4371 * jump.c (jump_optimize_1): Fix typo in elide optimizations
4372 for minimal jump pass test.
4374 2000-03-26 Mark Mitchell <mark@codesourcery.com>
4376 * integrate.c (function_cannot_inline_p): Do inline functions that
4379 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4381 * stor-layout.c (layout_type, set_sizetype): early_type_list is
4382 now a list of TREE_LIST entries, not types.
4383 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
4385 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
4386 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
4388 * config/mips/mips.c (function_arg): Likewise; also remove cast
4389 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
4390 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
4391 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
4392 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
4393 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
4394 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
4395 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
4396 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
4397 num_adjusts now unsigned.
4398 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
4399 * config/sparc/sparc.c (struct function_arg_record_value_parms):
4401 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
4402 as is BITPOS variable; use host_integerp and int_bit_position.
4403 (function_arg_record_value_2): Likewise.
4404 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
4405 Variable REGNO now unsigned.
4406 (function_arg_record_value): NREGS now unsigned.
4408 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
4410 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
4412 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4414 * Rework fields used to describe positions of bitfields and
4415 modify sizes to be unsigned and use HOST_WIDE_INT.
4416 * alias.c (reg_known_value_size): Now unsigned.
4417 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
4418 (really_start_incremental_init): Use bitsize_zero_node.
4419 (push_init_level, pop_init_level, output_init_element): Likewise.
4420 Use bitsize_unit_node and bitsize_one_node.
4421 (output_pending_init_elements, process_init_element): Likewise.
4422 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
4423 (make_extraction): Position and length HOST_WIDE_INT and unsigned
4424 HOST_WIDE_INT, respectively.
4425 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
4426 (num_sign_bit_copies): Returns unsigned.
4427 BITWIDTH now unsigned; rework arithmetic.
4428 Remove recursive call from arg to MAX.
4429 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
4430 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
4432 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
4433 (find_split_point, expand_compound_operation, make_extraction): LEN
4434 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
4435 (make_field_assignment): Likewise.
4436 (combine_simplify_rtx): Add cast.
4437 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
4438 (force_to_mode): WIDTH now unsigned; add cast.
4439 (if_then_else_cond): SIZE now unsigned.
4440 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
4441 (extended_count): Now returns unsigned.
4442 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
4443 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
4444 (simplify_comparison): MODE_WIDTH now unsigned.
4445 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
4446 (mark_used_regs_combine): Likewise; rework arithmetic.
4447 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
4448 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
4449 (record_promoted_value): REGNO now unsigned.
4450 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
4451 (get_last_value): REGNO now unsigned.
4452 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
4453 (reg_dead_regno, reg_dead_endregno): Now unsigned.
4454 (remove_death): Arg REGNO now unsigned.
4455 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
4456 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
4458 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
4459 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
4460 (struct cse_reg_info): REGNO now unsigned.
4461 (cached_regno): Now unsigned.
4462 (REGNO_QTY_VALID_P): Add cast.
4463 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
4464 (remove_invalid_regs): Likewise.
4465 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
4466 as are variables END and I.
4467 (get_cse_reg_info, insert): Likewise.
4468 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
4469 (canon_hash): Likewise.
4470 (insert_regs, lookup_for_remove): REGNO now unsigned.
4471 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
4473 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
4474 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
4475 * emit-rtl.c (subreg_realpart_p): Add cast.
4476 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
4477 (operand_subword_force): Arg I is now unsigned.
4478 * except.c (eh_regs): Variable I is now unsigned.
4479 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
4480 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
4481 length is unsigned HOST_WIDE_INT; likewise for internal variables.
4482 (store_split_bit_field, extract_fixed_bit_field): Likewise.
4483 (extract_split_bit_field, store_bit_field, extract_bit_field):
4485 * expr.c (store_constructor_fields, store_constructor, store_field):
4486 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
4487 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
4488 (do_jump): Likewise.
4489 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
4490 MAX_SIZE is now unsigned.
4491 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
4492 (emit_group_store): Likewise.
4493 (emit_move_insn): I now unsigned.
4494 (store_constructor): Use host_integerp, tree_low_cst, and
4496 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
4497 Rework all calculations to use trees and new fields.
4498 * expr.h (promoted_input_arg): Regno now unsigned.
4499 (store_bit_field, extract_bit_field): Adjust types of pos and size.
4500 (mark_seen_cases): Arg is HOST_WIDE_INT.
4501 * flow.c (verify_wide_reg_1): REGNO now unsigned.
4502 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
4503 precisions and alignments are unsigned.
4504 (optimize_bit_field_compare, fold_truthop): Likewise.
4505 (int_const_binop): Adjust threshold for size_int_type_wide call.
4506 (fold_convert): Likewise.
4507 (size_int_type_wide): Make table larger and fix thinko that only
4508 had half of table used.
4509 (all_ones_mask_p, fold): Precisions are unsigned.
4510 * function.c (put_reg_info_stack): REGNO is unsigned.
4511 (instantiate_decl): Size is HOST_WIDE_INT.
4512 (instantiate_virtual_regs): I is unsigned.
4513 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
4514 (promoted_input_arg): REGNO is unsigned.
4515 * function.h (struct function): x_max_parm_reg is now unsigned.
4516 * gcse.c (max_gcse_regno): Now unsigned.
4517 (struct null_pointer_info): min_reg and max_reg now unsigned.
4518 (lookup_set, next_set): REGNO arg now unsigned.
4519 (compute_hash_table): REGNO and I now unsigned.
4520 (handle_avail_expr): regnum_for_replacing now unsigned.
4521 (cprop_insn): REGNO now unsigned.
4522 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
4523 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
4524 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
4525 * hard-reg-set.h (reg_class_size): Now unsigned.
4526 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
4527 * jump.c (mark_modified_reg): I now unsigned; add cast.
4528 (rtx_equal_for_thread_p): Add cast.
4529 * loop.c (max_reg_before_loop): Now unsigned.
4530 (struct_movable): REGNO now unsigned.
4531 (try_copy_prop): REGNO arg unsigned.
4532 (regs_match_p): XN and YN now unsigned.
4533 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
4534 (strength_reduce): Likewise; NREGS also unsigned.
4535 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
4536 * loop.h (struct iv_class): REGNO now unsigned.
4537 (max_reg_before_loop, first_increment_giv, last_increment_giv):
4539 * machmode.h (mode_size, mode_unit_size): Now unsigned.
4540 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
4541 * optabs.c (expand_binop): I and NWORDS now unsigned.
4542 (expand_unop): I now unsigned.
4543 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
4544 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
4545 * real.c (significand_size): Now returns unsigned.
4546 * real.h (significand_size): Likewise.
4547 * regclass.c (reg_class_size): Now unsigned.
4548 (choose_hard_reg_mode): Both operands now unsigned.
4549 (record_reg_classes): REGNO and NR now unsigned.
4550 (reg_scan): NREGS now unsigned.
4551 (reg_scan_update): old_max_regno now unsigned.
4552 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
4553 * reload.c (find_valid_class): BEST_SIZE now unsigned.
4554 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
4555 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
4556 Likewise for variable R.
4557 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
4558 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
4559 (find_equiv_reg): Add casts.
4560 (regno_clobbered_p): Arg REGNO now unsigned.
4561 * reload.h (struct reload): NREGS now unsigned.
4562 (refers_to_regno_for_reload_p): Regno args are unsigned.
4563 (regno_clobbered_p): Likewise.
4564 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
4565 (compute_use_by_pseudos): REGNO now unsigned.
4566 (find_reg): I and J now unsigned, new variable K, and change loop
4567 variables accordingly; THIS_NREGS now unsigned.
4568 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
4569 (spill_hard_reg): REGNO arg now unsigned; add casts.
4570 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
4571 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
4572 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
4573 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
4574 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
4575 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
4576 (emit_reload_insns): REGNO now unsigned.
4577 (reload_cse_move2add): Add cast.
4578 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
4580 * resource.c (mark_referenced_resources, mark_set_resources): New
4581 variable R; REGNO and LAST_REGNO now unsigned.
4582 (mark_target_live_regs): J and REGNO now unsigned.
4583 * rtl.c (mode_size, mode_unit_size): Now unsigned.
4584 * rtl.h (union rtunion_def): New field rtuint.
4585 (XCUINT): New macro.
4586 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
4587 (operand_subword, operand_subword_force): Word number is unsigned.
4588 (choose_hard_reg_mode): Operands are unsigned.
4589 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
4590 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
4591 (regno_use_in, combine_instructions, remove_death): Likewise.
4592 (reg_scan, reg_scan_update): Likewise.
4593 (extended_count): Return is unsigned.
4594 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
4595 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
4596 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
4597 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
4598 (reg_reg_last_1): FIRS and LAST now unsigned.
4599 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
4600 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
4602 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
4603 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
4604 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
4605 (replace_regs): Arg NREGS now unsigned.
4606 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
4607 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
4608 (simplify_binary_operation): Likewise.
4609 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
4610 THIS_LAST now unsigned.
4611 (cselib_record_set): Add cast.
4612 * ssa.c (ssa_max_reg_num): Now unsigned.
4613 (rename_block): REGNO now unsigned.
4614 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
4616 (all_cases_count): Just return -1 not -2.
4617 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
4618 Rework tests to use trees whenever possible.
4619 Use host_integerp and tree_low_cst.
4620 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
4621 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
4622 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
4623 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
4624 (smallest_mode_for_size): Likewise.
4625 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
4626 KNOWN_ALIGN is now an alignment, so simplify code.
4627 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
4628 (start_record_layout): Renamed from new_record_layout_info.
4629 Update to new fields.
4630 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
4632 (place_union_field): Renamed from layout_union_field.
4633 Update to use new fields in rli.
4634 (place_field): Renamed from layout_field.
4635 Major rewrite to use new fields in rli; pass alignment to layout_decl.
4636 (finalize_record_size): Rework to use new fields in rli and handle
4638 (compute_record_mode): Rework to simplify and to use new DECL fields.
4639 (finalize_type_size): Make rounding more consistent.
4640 (finish_union_layout): Deleted.
4641 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
4642 (layout_type, case RECORD_TYPE): Call new function names.
4643 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
4644 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
4645 (get_best_mode): UNIT is now unsigned; remove casts.
4646 * tree.c (bit_position): Compute from new fields.
4647 (byte_position, int_byte_position): New functions.
4648 (print_type_hash_statistics): Cast to remove warning.
4649 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
4650 (build_index_type): Likewise; make subtype of sizetype.
4651 (build_index_2_type): Pass sizetype to build_range_type.
4652 (build_common_tree_nodes): Use size_int and bitsize_int to
4653 initialize nodes; add bitsize_{zero,one,unit}_node.
4654 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
4655 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
4656 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
4657 (DECL_FIELD_BITPOS): Deleted.
4658 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
4659 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
4660 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
4661 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
4662 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
4663 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
4664 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
4665 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
4666 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
4667 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
4668 (DECL_ALIGN): Adjust to new field in union.
4669 (DECL_OFFSET_ALIGN): New field.
4670 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
4671 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
4672 (union tree_decl): Add struct for both aligns.
4673 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
4674 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
4675 (struct record_layout_info): Rework fields to have offset
4676 alignment and byte and bit position.
4677 (start_record_layout, place_field): Renamed from old names.
4678 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
4679 (byte_position, int_byte_position): Likewise.
4680 (get_inner_reference): Change types of position and length.
4681 * unroll.c (unroll_loop): New variable R; use for some loops.
4682 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
4683 (calculate_giv_inc): Arg REGNO now unsigned.
4684 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
4685 * varasm.c (assemble_variable): Clean up handling of size using
4686 host_integerp and tree_low_cst.
4687 (decode_addr_const): Use byte, not bit, position.
4688 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
4689 use tree_low_cst and int_bit_position.
4690 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
4692 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
4694 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
4695 (reorder_block_def): New members eff_head and eff_end.
4696 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
4697 (verify_insn_chain): New function.
4698 (skip_insns_between_block): Add code to skip deleted insns.
4699 Check for note before using.
4700 (chain_reorder_blocks): Replace calls to skip_insns_between_block
4701 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
4702 Check for note before using.
4703 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
4704 (fixup_reorder_chain): Restructure, clean up, defect removal.
4705 (reorder_basic_blocks): Remove last_insn and references to it.
4706 Moved insn chain verification code into a new function (see above).
4707 Delete defective code that sets last insn.
4708 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
4711 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4713 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
4715 2000-03-24 Richard Henderson <rth@cygnus.com>
4717 * tree.c (lang_safe_for_unsave): Remove.
4718 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
4719 allowing for two levels of unsafeness. Remove lang hook.
4720 * tree.h: Update declarations.
4721 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
4722 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
4723 Always fail sibcalls when there are pending cleanups.
4725 2000-03-24 Geoff Keating <geoffk@cygnus.com>
4727 * flow.c (propagate_block): When we delete an ADDR_VEC,
4728 also delete the BARRIER following it if there is one.
4730 2000-03-24 Richard Henderson <rth@cygnus.com>
4732 * builtins.c (expand_builtin_bzero): Convert `length' argument
4735 2000-03-24 Jakub Jelinek <jakub@redhat.com>
4737 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
4738 comparison if regno's are equal.
4739 * calls.c (initialize_argument_informat): Add ecf_flags argument.
4740 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4741 (expand_call): Update caller.
4742 Avoid making a sibling call if argument size of the callee is larger
4743 than argument size of the caller.
4744 Call hard_function_value with outgoing set if in sibcall pass.
4745 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
4747 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
4748 Change LEAF_REGISTERS from an array initializer to actual array
4749 identifier. Move static global variable into the function.
4750 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
4751 sequences for leaf functions.
4752 * global.c (global_alloc): Likewise.
4753 * tm.texi (LEAF_REGISTERS): Update documentation.
4755 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
4756 TARGET_FLAT leaf disabling hack.
4757 (LEAF_REGISTERS): Changed from an array initializer to actual array
4758 identifier to avoid duplication and remove the above hack.
4759 (FUNCTION_OK_FOR_SIBCALL): Define.
4760 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
4761 always like call attribute.
4762 (eligible_for_sibcall_delay): New attribute.
4763 (sibcall): New delay type.
4764 (sibcall, sibcall_value, sibcall_epilogue): New expands.
4765 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
4766 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
4767 * config/sparc/sparc.c (sparc_leaf_regs): New array.
4768 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
4770 (output_function_epilogue): Move part of the code into
4771 output_restore_regs.
4772 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
4774 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
4777 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
4778 until infrastructure is finished.
4780 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
4782 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
4783 (save_parm_insns): Not here.
4785 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4787 * builtins.c (expand_builtin_bzero): New function.
4788 (expand_builtin): Handle bzero.
4790 * builtins.def: Add BUILT_IN_BZERO.
4792 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4793 prototype & function for bzero.
4795 2000-03-23 Michael Meissner <meissner@redhat.com>
4797 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
4798 change adding TARGET_FP to the TF floating point insns, except for
4799 trunctfsf2, which generates direct calls to truncdfsf2.
4801 2000-03-23 Geoff Keating <geoffk@cygnus.com>
4803 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
4804 try to protect against middle-end changes that break binary
4806 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
4808 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4810 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
4812 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4814 * calls.c (expand_call): If TARGET is passed by reference and
4815 is readonly, write a CLOBBER.
4817 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4819 * builtins.c (expand_builtin): Handle bcmp.
4821 * builtins.def: Add BUILT_IN_BCMP.
4823 * c-common.c (c_common_nodes_and_builtins): Provide builtin
4824 prototype & function for bcmp.
4826 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
4828 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
4829 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
4830 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
4832 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
4834 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
4835 alternative when using -fp64 -gp32.
4837 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4839 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
4840 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
4841 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
4843 * frame.h (frame_state): Revert last change.
4844 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
4845 * libgcc2.c (throw_helper): Revert last change.
4847 2000-03-22 Richard Henderson <rth@cygnus.com>
4849 * stmt.c (expand_asm_operands): Don't promote the temporary.
4851 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
4853 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
4854 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
4855 c_get_alias_set): Likewise.
4856 * c-decl.c (duplicate_decls): Likewise.
4857 * c-typeck.c (default_conversion,build_unary_op): Likewise.
4858 * calls.c (initialize_argument_information): Likewise.
4859 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
4861 * dwarfout.c (decl_class_context,output_type): Likewise.
4862 * expr.c (get_inner_reference): Likewise.
4863 * fold-const.c (simple_operand_p,fold): Likewise.
4864 * function.c (aggregate_value_p): Likewise.
4865 * stmt.c (expand_asm_operands): Likewise.
4866 * varasm.c (named_section): Likewise.
4868 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
4870 Implement dwarf2 exception handling for the ARM.
4871 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
4872 (DWARF_FRAME_RETURN_COLUMN): Define.
4873 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
4874 REG_FRAME_RELATED_EXPR note.
4875 (emit_sfm): Likewise.
4876 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
4877 * dwarf2out.c (reg_save): Handle saving a register to itself.
4878 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
4879 * except.c (eh_regs): Don't use the static chain reg if it's
4881 * frame.h (frame_state): Add cfa_saved field.
4882 * frame.c (execute_cfa_insn): Set it.
4883 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
4885 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
4887 (instantiate_virtual_regs): Adjust.
4889 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4890 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
4891 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
4893 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
4894 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
4896 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4898 * builtins.def: New file.
4900 * Makefile.in (TREE_H): Depend on builtins.def.
4902 * builtins.c (built_in_names): Use builtins.def.
4904 * tree.h (built_in_function): Likewise.
4906 2000-03-22 Mark Mitchell <mark@codesourcery.com>
4908 * tree.c (size_in_bytes): Return size_zero_node, not
4911 2000-03-22 Geoff Keating <geoffk@cygnus.com>
4913 * config/fp-bit.c (pack_d): Correct the case when a denormal
4914 is rounded up and stops being denormal.
4916 2000-03-21 Richard Henderson <rth@cygnus.com>
4918 * config/alpha/alpha.c (function_arg): Check for void_type_node
4919 before using MUST_PASS_IN_STACK.
4921 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
4923 * regmove.c (combine_stack_adjustments_for_block): Check that
4924 the stack pointer is a valid memory address.
4926 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
4928 * calls.c: re-install Mar 16 emit_library_call merge.
4930 2000-03-21 Jakub Jelinek <jakub@redhat.com>
4932 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
4933 we cannot be sure that if reload_completed base register will
4934 be properly aligned.
4936 2000-03-21 Richard Henderson <rth@cygnus.com>
4938 * flow.c (delete_block): Fix typo last change.
4940 2000-03-21 Mark Mitchell <mark@codesourcery.com>
4942 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
4943 not COMPLETE_TYPE_P, to check the type of the expression.
4945 2000-03-21 Michael Meissner <meissner@redhat.com>
4947 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
4948 all floating point insns that just tested the macro
4949 TARGET_HAS_XFLOATING_LIBS.
4950 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
4951 used to only use the gprs.
4953 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
4955 * tree.h (COMPLETE_TYPE_P): New macro.
4956 (COMPLETE_OR_VOID_TYPE_P): New macro.
4957 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
4958 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
4959 * c-aux-info.c (gen_type): Use them.
4960 * c-common.c (c_expand_expr_stmt): Likewise.
4961 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
4962 grokdeclarator, grokparms, finish_struct, start_function,
4963 store_parm_decls, combine_parm_decls): Likewise.
4964 * c-parse.y (cast_expr): Likewise.
4965 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
4966 c_size_in_bytes, c_alignof, build_component_ref,
4967 build_indirect_ref, build_array_ref, convert_arguments,
4968 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
4969 * calls.c (initialize_argument_information): Likewise.
4970 * convert.c (convert_to_integer): Likewise.
4971 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
4972 * dwarfout.c (location_or_const_value_attribute,
4973 output_enumeration_type_die, output_structure_type_die,
4974 output_union_type_die, output_type): Likewise.
4975 * expr.c (safe_from_p, expand_expr): Likewise.
4976 * function.c (assign_parms): Likewise.
4977 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
4978 * tree.c (build_array_type, build_function_type,
4979 build_method_type, build_offset_type, build_complex_type): Likewise.
4980 * c-parse.c, c-parse.h: Regenerated.
4982 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4984 * config/c4x/rtems.h: Include config/rtems.h.
4986 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
4988 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
4989 decl is a FUNCTION_DECL
4991 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
4993 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
4994 function uses output registers. Don't save RP for leaf functions.
4995 Do save RP even if no epilogue.
4996 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
4997 (CALL_USED_REGISTERS): Unmark in registers.
4998 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
5001 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5003 * config/rs6000/rs6000.md (bunordered): New expander.
5004 (bordered): New expander.
5005 (buneq): New expander.
5006 (bunge): New expander.
5007 (bungt): New expander.
5008 (bunle): New expander.
5009 (bunlt): New expander.
5010 (bltgt): New expander.
5012 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
5013 (ccr_bit_negated_p): New function.
5014 (print_operand): For %C, generate appropriate cror for UNEQ,
5015 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
5017 2000-03-20 Andreas Jaeger <aj@suse.de>
5019 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
5022 * tree.h (safe_for_unsave): Prototype.
5024 2000-03-20 Richard Henderson <rth@cygnus.com>
5026 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
5027 (combine_stack_adjustments_for_block): Don't allow sp references
5028 in the side of a set we're not fixing up.
5029 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
5030 after life_analysis.
5032 2000-03-20 Richard Henderson <rth@cygnus.com>
5034 * calls.c (expand_call): Don't bother generating tail call
5035 sequences if there are pending cleanups. Use
5036 expand_start_target_temps/expand_end_target_temps to elide
5037 cleanups created during sibcall expansion.
5039 2000-03-20 Geoff Keating <geoffk@cygnus.com>
5041 * configure.in: Set $IFS to a value if it doesn't already have one
5042 in the --enable-checking handling.
5043 * configure: Regenerate.
5045 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5047 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
5048 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5051 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
5053 * jump.c (delete_noop_moves): Remove code attempting to
5054 combine stack adjustments.
5056 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5058 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
5059 * except.c (emit_cleanup_handler): Use them.
5060 (expand_end_all_catch): Likewise.
5061 * function.c (fixup_var_refs): Likewise.
5062 (expand_function_end): Clear catch_clauses_last.
5063 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
5064 * except.h (struct eh_status): New field x_catch_clauses_last.
5065 (catch_clauses_last): New define.
5067 * Makefile.in (tree.o): Depend on HASHTAB_H.
5068 * tree.c: Include hashtab.h.
5069 (struct type_hash): Remove next field.
5070 (TYPE_HASH_SIZE): Remove.
5071 (TYPE_HASH_INITIAL_SIZE): New define.
5072 (type_hash_table): Change type to htab_t.
5073 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
5074 mark_hash_entry): New functions.
5075 (init_obstacks): Allocate type hash.
5076 (type_hash_lookup): Use htab functions.
5077 (type_hash_add, mark_type_hash): Likewise.
5078 (dump_tree_statistics): Call print_type_hash_statistics.
5080 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5082 * rs6000/t-aix41: New file.
5084 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
5086 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
5088 * tm.texi (Driver): Fix typos and tweak entry for
5090 Move misplaced STRUCT_FORCE_BLK entry ...
5091 (Storage Layout): ... to here.
5092 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
5094 2000-03-19 Richard Henderson <rth@cygnus.com>
5096 * flow.c (delete_block): Delete the addr_vec along with the block.
5097 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
5100 * fold-const.c (extract_muldiv): Apply type check for defined
5101 overflow to multiply as well as divide.
5103 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
5105 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5107 * emit-rtl.c (remove_unncessary_notes): Check that all
5108 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
5109 associated NOTE_BLOCK.
5110 * function.h (identify_blocks): Update comments.
5111 (reorder_blocks): Declare.
5112 * function.c (identify_blocks): Don't take paramters.
5113 (reorder_blocks): Don't take parameters.
5114 * loop.h (find_loop_tree_blocks): Remove.
5115 (unroll_block_trees): Likewise.
5116 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
5117 reorder_blocks instead of unroll_block_trees.h
5118 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
5119 * stmt.c (find_loop_tree_blocks): Remove.
5120 (unroll_block_trees): Likewise.
5121 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
5122 in whole-function mode.
5123 * tree.h (reorder_blocks): Remove declaration.
5125 * expr.c: Include intl.h.
5126 * Makefile.in (expr.o): Depend on intl.h.
5128 2000-03-18 Richard Henderson <rth@cygnus.com>
5130 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
5132 2000-03-18 Mark Mitchell <mark@codesourcery.com>
5134 * tree.h (tree_index): Remove enumerals for integer types.
5135 (integer_type_kind): New type.
5136 (integer_types): New variable.
5137 (char_type_node): Adjust.
5138 (signed_char_type_node): Likewise.
5139 (unsigned_char_type_node): Likewise.
5140 (short_integer_type_node): Likewise.
5141 (short_unsigned_type_node): Likewise.
5142 (integer_type_node): Likewise.
5143 (unsigned_type_node): Likewise.
5144 (long_integer_type_node): Likewise.
5145 (long_unsigned_type_node): Likewise.
5146 (long_long_integer_type_node): Likewise.
5147 (long_long_unsigned_type_node): Likewise.
5148 * tree.c (integer_types): New variable.
5149 (init_obstacks): Register it as a root.
5151 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
5153 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
5154 NEXT_INSN. Update last insn in chain.
5156 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
5158 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
5159 with TYPE_DECL_SUPPRESS_DEBUG set.
5161 2000-03-18 Richard Henderson <rth@cygnus.com>
5163 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
5165 2000-03-18 Richard Henderson <rth@cygnus.com>
5167 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
5168 care for HALF_PIC_P.
5169 (expander_call_insn_operand): Remove.
5170 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
5171 * i386.h (PREDICATE_CODES): Update.
5172 * i386.md (all call expanders): Remove predicates, remove special
5173 handling for half-pic.
5174 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
5175 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
5176 (sibcall_epilogue): New.
5178 2000-03-17 Richard Henderson <rth@cygnus.com>
5180 * rtlanal.c (single_set): Reject if the parallel has anything
5181 except SET or USE or CLOBBER.
5183 2000-03-17 Jeff Law <law@cygnus.com>
5184 Richard Henderson <rth@cygnus.com>
5186 * Makefile.in (OBJS): Add sibcall.o.
5188 * sibcall.c: New file.
5189 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
5190 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
5191 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
5192 Emit sibcall patterns when requested. Update all callers.
5193 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
5194 elimination seems feasable.
5195 * final.c (leaf_function_p): Sibling calls don't discount being
5197 * flow.c (HAVE_sibcall_epilogue): Provide default.
5198 (find_basic_blocks_1): Sibling calls don't throw.
5199 (make_edges): Make edge from sibling call to EXIT.
5200 (propagate_block): Don't remove sibcall_epilogue insns.
5201 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
5202 (sibcall_epilogue): New.
5203 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
5204 (identify_blocks_1): Likewise. Break out from ...
5205 (identify_blocks): ... here.
5206 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
5207 (reorder_blocks): ... here.
5208 (init_function_for_compilation): Zap prologue/epilogue as varrays.
5209 (record_insns): Extend a varray instead of mallocing new memory.
5210 (contains): Read a varray not array of ints.
5211 (sibcall_epilogue_contains): New.
5212 (thread_prologue_and_epilogue_insns): Emit and record
5213 sibcall_epilogue patterns.
5214 (init_function_once): Allocate prologue/epilogue varrays.
5215 * genflags.c (gen_insn): Treat sibcall patterns as calls.
5216 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
5218 (save_for_inline_nocopy): ... here.
5219 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
5221 (expand_inline_function): ... here.
5222 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
5223 (subst_constants): Handle 'n' formats.
5224 * jump.c (jump_optimize_minimal): New.
5225 (jump_optimize_1): New arg `minimal'; update callers. Elide most
5226 optimizations if it's set.
5227 * rtl.c (copy_rtx): Do copy jump & call for insns.
5228 * rtl.h (struct rtx_def): Document use of jump and call for insns.
5229 (SIBLING_CALL_P): New.
5230 (sibcall_use_t): New.
5231 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
5232 Invoke optimize_sibling_and_tail_recursive_calls.
5233 * tree.c (lang_safe_for_unsave): New.
5234 (safe_for_unsave): New.
5235 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
5237 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
5238 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
5239 (*sibcall_osf_1, *sibcall_value_osf_1): New.
5241 2000-03-17 Mark Mitchell <mark@codesourcery.com>
5243 * objc/objc-act.c (encode_method_prototype): Pass types, not
5244 PARM_DECLs, to int_size_in_bytes.
5246 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
5248 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
5250 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
5251 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
5253 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5255 * Clean up usages of TREE_INT_CST_LOW.
5256 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
5257 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
5259 * c-tree.h (min_precision): Move declaration to here.
5260 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
5261 (build_unary_op, add_pending_init): Use bit_position.
5262 (pending_init_member, process_init_element): Likewise.
5263 (really_start_incremental_init, push_init_level, pop_init_level):
5264 Don't make copies of nodes or modify them in place, use consistent
5265 types when tracking positions, and use tree routines computations.
5266 (set_init_index, output_init_element): Likewise.
5267 (output_pending_init_elements, process_init_element): Likewise.
5268 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
5269 tree_low_cst and int_bit_position; also minor cleanup.
5270 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
5271 (print_cst_octal): Precision is unsigned.
5272 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
5273 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
5274 (simple_type_align_in_bits): Result is unsigned int.
5275 Use tree_int_low_cst and host_integerp.
5276 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
5277 (field_byte_offset): Result is HOST_WIDE_INT.
5278 Change types of internal variables so alignments are unsigned int,
5279 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
5280 Use host_integerp, tree_low_cst, and int_bit_position.
5281 (add_bit_offset_attribute): Likewise.
5282 (add_data_member_location_attribute): Use tree_cst_low.
5283 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
5284 (add_bit_size_attribute): Use tree_low_cst.
5285 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
5286 * dwarfout.c: Similar changes to dwarf2out.c.
5287 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
5288 * genoutput.c (n_occurences): Return -1 for null string.
5289 (strip_whitespace): Accept null string and make into function.
5290 (scan_operands): Reflect above changes.
5291 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
5292 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
5293 * ssa.c (rename_registers): Add missing cast of arg to bzero.
5294 * tree.c (int_size_in_bytes): Check for too big to represent.
5295 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
5296 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
5298 (min_precision): Delete from here.
5299 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
5300 and int_bit_position.
5301 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
5302 (encode_method_def): Likewise.
5303 (build_ivar_list_initializer): Use int_bit_position.
5304 (generate_shared_structures): Convert size.
5305 (encode_type, encode_complete_bitfield): Use integer_zerop.
5306 (encode_bitfield): Use tree_low_cst and int_bit_position.
5308 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5310 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
5312 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5314 * call.c (special_function_p): It is only malloc if it returns
5317 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5319 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
5320 (C33_FLAG, TARGET_C3X): Add macros.
5321 (TARGET_SWITCHES): Add -m33 option.
5322 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
5324 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5326 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
5327 (PARALLEL_PACK_FLAG): Delete.
5328 (TARGET_SWITCHES): Update.
5329 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
5331 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5333 * fold-const.c (fold): Fix a few cases when the returned result
5334 is not of the same type as the input.
5336 2000-03-16 Nick Clifton <nickc@cygnus.com>
5338 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
5341 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5343 * libgcc2.h: Move prototypes above macros with the same name.
5344 Wrap some function prototypes in the conditional which indicates
5345 whether they are supported, i.e. "BITS_PER_UNIT == 8".
5347 2000-03-16 Richard Henderson <rth@cygnus.com>
5349 * calls.c: Revert last two changes.
5351 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
5353 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
5354 has exponent 0 is a zero.
5356 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
5357 HASH may already be nonzero. Add code/mode into hash value
5358 immediately after repeat label.
5359 (cselib_lookup): Don't leave the hash table in an inconsistent
5360 state before a hash lookup operation.
5362 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
5364 * i386.md (all HI and QI mode non-move patterns): Conditionize
5365 by TARGET_[HQ]IMODE_MATH.
5366 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5367 x86_promote_qi_regs): Declare.
5368 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
5369 TARGET_PROMOTE_QI_REGS): New macros.
5370 (PROMOTE_MODE): New macro.
5371 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
5372 x86_promote_qi_regs): New global variables.
5374 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
5376 * calls.c (emit_library_call_value_1): Break out from ...; handle
5377 VOIDmode function calls too.
5378 (emit_library_call_value): ... here.
5379 (emit_library_call): Implement by calling emit_library_call_value_1.
5381 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
5383 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
5384 Update arg_space_so_far on stack adjustments.
5385 (emit_library_call, emit_library_call_value): Likewise; take into
5386 account arg_space_so_far and pending_stack_adjust when calculcating
5389 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
5391 * flow.c: Move all basic block reordering code into its own file.
5392 (create_basic_block): Externalize.
5393 * bb-reorder.c: New file. Copy all basic block reordering code from
5394 flow.c to this file.
5395 (reorder_basic_blocks): Fix fencepost error in for-loop.
5396 (reorder_basic_blocks): Remove braces from single statement for-loops.
5397 * basic-block.h: Add declaration for create_basic_block.
5398 * Makefile.in: Add rules for bb-reorder.o.
5400 2000-03-16 Neil Booth <NeilB@earthling.net>
5402 * cppinit.c (handle_option): Implement #unassert directive
5403 as -A- command line option.
5404 (print_help): Update.
5405 * cpptexi.c: Update.
5407 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
5409 * md.texi (Standard Names): Document `jump'.
5411 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
5413 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
5416 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5418 Merge changes from newppc-branch onto trunk.
5420 2000-03-15 Geoff Keating <geoffk@cygnus.com>
5422 * rs6000.c (toc_hash_table): Update for new hash table functions.
5423 (toc_hash_function): Likewise.
5424 (toc_hash_eq): Likewise.
5425 (toc_hash_mark_entry): Likewise.
5426 (toc_hash_mark_table): Likewise.
5427 (output_toc): Likewise.
5428 (rs6000_add_gc_roots): Likewise.
5430 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5432 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
5433 (AR_FLAGS_FOR_TARGET): here. New macro.
5435 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
5437 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
5438 fpmem_operand) Delete.
5440 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
5441 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
5442 (rs6000_save_machine_status, rs6000_restore_machine_status,
5443 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
5444 references to above variables.
5445 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
5446 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
5447 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
5448 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
5449 (XER_REGNO_P, XER_REGNO): New.
5450 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
5451 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
5452 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
5454 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
5455 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
5456 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
5458 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5460 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
5461 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
5462 * rs6000.h: from here.
5464 * rs6000-protos.h (rs6000_select_section): Provide prototype.
5465 (rs6000_select_rtx_section): Likewise.
5466 (rs6000_encode_section_info): Likewise.
5467 (sdata_section): Likewise.
5468 (sdata2_section): Likewise.
5469 (sbss_section): Likewise.
5470 * sysv4.h (rs6000_select_section): Delete prototype.
5471 (rs6000_select_rtx_section): Likewise.
5472 (rs6000_encode_section_info): Likewise.
5473 (sdata_section): Likewise.
5474 (sdata2_section): Likewise.
5475 (sbss_section): Likewise.
5476 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
5478 * sysv4.h: Delete various unnecessary #undef's and put a comment
5479 on the remaining ones.
5480 Change various comments according to coding standard.
5482 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
5484 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
5485 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
5486 (CR0_REGNO_P) Remove.
5487 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
5488 setup_incoming_varargs, mtcrf_operation, print_operand,
5489 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
5490 Use the above macros.
5492 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
5494 * config/rs6000/rs6000.md: Added a new alternative for each
5495 pattern that had a 'x' alternative but no 'y' alternative.
5496 Added a new split for each of the above patterns.
5498 2000-02-18 Geoff Keating <geoffk@cygnus.com>
5500 * aix41.h (ASM_CPU_SPEC): Delete.
5501 (CPP_CPU_SPEC): Delete.
5503 * aix.h (RS6000_OUTPUT_BASENAME): Define.
5504 (ASM_OUTPUT_LABEL): Define.
5505 (ASM_GLOBALIZE_LABEL): Define.
5506 (STRIP_NAME_ENCODING): Define.
5507 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
5508 (STRIP_NAME_ENCODING): Don't define.
5509 (ASM_OUTPUT_LABEL): Don't define.
5510 (ASM_GLOBALIZE_LABEL): Don't define.
5511 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
5512 names, and ASM_OUTPUT_LABEL to output labels, rather than
5514 (ASM_OUTPUT_LABEL): Define.
5515 (ASM_OUTPUT_INT): Use assemble_name.
5516 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
5517 (STRIP_NAME_ENCODING): Don't undefine first.
5518 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
5520 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
5521 specified with 'asm' even with -fleading-underscore.
5522 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
5523 (output_epilog): Likewise.
5524 (output_toc): Likewise.
5525 * tramp.asm: Handle -fleading-underscore correctly.
5527 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
5529 (nonlocal_goto_receiver): Delete.
5530 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
5532 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
5533 (SET_ASM_OP): Define.
5534 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
5536 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
5539 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
5540 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
5542 * rs6000.h: Add 'u' to more constants.
5544 2000-02-18 David Edelsohn <edelsohn@gnu.org>
5546 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
5548 2000-02-15 David Edelsohn <edelsohn@gnu.org>
5550 * rs6000.c (reg_or_u_cint_operand): New function.
5551 (logical_operand): Handle 64-bit hosts.
5552 (logical_u_operand): New function.
5553 (non_logical_cint_operand): Handle 64-bit hosts.
5554 (non_logical_u_cint_operand): New function.
5555 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
5556 (PREDICATE_CODES): Define new functions.
5557 * rs6000-protos.h: Declare new functions.
5558 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
5559 (movdi_64): Bracket code intended for 64-bit hosts. Create
5560 CONST_DOUBLE for 32-bit values.
5561 (scc insns): Generate DImode compares.
5562 (mfcr insns): Create DImode versions.
5563 (sge matchers): New patterns.
5565 2000-02-15 Gabriel Paubert <paubert@iram.es>
5567 * rs6000.md: Correct instructions length attributes and
5568 constraints on unsigned compare instructions.
5569 (*ne0): Disable for PowerPC64.
5571 2000-02-11 Geoff Keating <geoffk@cygnus.com>
5573 * rs6000.c (output_function_profiler): Use .long for a 32-bit
5574 quantity, fix profile1.C test failure under -fPIC.
5576 * rs6000.c: Add 'u' to many constants to suppress warnings.
5577 (constant_pool_expr_1): Make static.
5578 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
5579 * rs6000.h: Add 'u' to many constants to suppress warnings.
5581 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
5582 for the start of the TOC, instead of LCTOC..0.
5583 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
5585 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
5586 (load_toc_aix_di): Use LCTOC..1.
5588 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
5589 * rs6000.c (rs6000_legitimize_address): New function from
5590 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
5591 symbols in the constant pool that really are TOC references.
5592 (print_operand_address): For ELF, write TOC offsets under
5593 -fPIC as subtractions in the insn.
5594 (output_toc): For ELF, define symbols in TOC as normal labels,
5596 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
5597 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
5598 (create_TOC_reference): Prototype only when RTX_CODE is defined.
5599 * rs6000.md (movsi): Only use create_TOC_reference on
5600 symbols in the constant pool that really are TOC references.
5602 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
5603 * rs6000.c (rs6000_reorg): Delete.
5604 * rs6000-protos.h (rs6000_reorg): Delete.
5606 2000-02-09 Geoff Keating <geoffk@cygnus.com>
5608 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
5610 * aix.h (SETUP_FRAME_ADDRESSES): Define.
5611 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
5612 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
5613 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
5614 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
5615 rs6000_aix_emit_builtin_unwind_init.
5616 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
5617 rs6000_emit_eh_toc_restore on AIX.
5618 (return_eh_si): Use r2.
5619 (return_eh_di): Use r2.
5621 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
5622 since we're breaking binary compatibility anyway.
5624 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
5626 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
5627 constant_pool_expr_p): Declare them.
5628 (constant_pool_expr_p): Declare it.
5629 * config/rs6000/rs6000.c (toc_label_name): Define.
5630 (rs6000_override_options): Set toc_label_name.
5631 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
5632 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
5633 uses_TOC): New functions.
5634 (print_operand): Delete old '*' case.
5635 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
5636 and strip off rtl for TOC before calling output_addr_const.
5637 (rs6000_emit_load_toc_table): Use toc_label_name.
5638 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
5640 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
5641 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
5642 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
5643 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
5644 into explicit TOC_REGISTER offsets.
5645 (TOC_REGISTER): New macro.
5646 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
5647 TARGET_TOC to reference TOC_REGISTER.
5648 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
5649 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
5650 uses_TOC before emitting label references.
5652 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5654 * rs6000.md (stack_tie): Fix warning.
5656 * eabi-ctors.c: Use 'asm' names for the start/end variables,
5657 to handle -fleading-underscore.
5658 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
5659 (USER_LABEL_PREFIX): New macro.
5660 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
5661 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
5662 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
5663 call-linux can use the same multilibs.
5664 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
5665 and call-linux multilibs. Do multilib with -fleading-underscore.
5666 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
5667 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
5670 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
5671 have MASK_SOFT_FLOAT set.
5672 (CPP_FLOAT_DEFAULT_SPEC): New macro.
5673 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
5674 CPP_FLOAT_DEFAULT_SPEC.
5676 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
5677 * rs6000.md: Whitespace change.
5678 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
5679 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
5681 2000-02-05 Geoff Keating <geoffk@cygnus.com>
5683 * rs6000.md (eh_epilogue): New expander.
5684 (eh_reg_restore): New expand/split/insn combination.
5685 (return_eh_si): New insn.
5686 (return_eh_di): New insn.
5688 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
5689 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
5690 * eabi-ctors.c (__do_global_ctors): Register this object's
5691 frame. Clean up. Call atexit() after the constructors.
5692 (__do_global_dtors): Deregister this object's frame. Clean up.
5693 Allow for recursive calls to exit().
5694 * rs6000.c (fixuplabelno): New variable.
5695 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
5696 TARGET_RELOCATABLE, it slows down exec() under linux.
5697 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
5699 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
5700 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
5701 (ASM_OUTPUT_DWARF_DELTA2): New macro.
5702 (ASM_OUTPUT_DWARF_DELTA4): New macro.
5703 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
5704 (ASM_OUTPUT_DWARF_ADDR): New macro.
5705 (ASM_OUTPUT_DWARF_DATA4): New macro.
5706 (ASM_OUTPUT_DWARF_DATA2): New macro.
5707 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
5708 (ASM_OUTPUT_DWARF_OFFSET): New macro.
5709 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
5711 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5713 * rs6000.c (rs6000_sr_alias_set): New variable.
5714 (rs6000_override_options): Initialise rs6000_sr_alias_set.
5715 (rs6000_emit_stack_tie): New function.
5716 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
5717 in a way that dwarf2out can understand.
5718 (rs6000_frame_related): New function.
5719 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
5720 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
5721 Use rs6000_emit_stack_tie when needed.
5722 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
5723 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
5724 * rs6000.md (stack_tie): New insn.
5725 (return_internal_si): Allow return value to be in the count
5727 (return_internal_di): Likewise.
5729 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
5731 2000-02-03 Geoff Keating <geoffk@cygnus.com>
5733 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
5735 2000-01-31 Geoff Keating <geoffk@cygnus.com>
5737 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
5739 * rs6000.md (stmw): Use the right POWER opcode.
5742 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5744 * rs6000-protos.h: New file.
5746 * rs6000.c: Include tm_p.h. Fix compile time warnings.
5748 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
5751 * sysv4.h: Likewise.
5753 2000-01-28 Geoff Keating <geoffk@cygnus.com>
5755 * ../../configure.in: Delete powerpcle-*-winnt*
5756 and powerpcle-*-pe|powerpcle-*-cygwin*.
5757 * ../../configure: Regenerated.
5759 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
5760 (TARGET_WINDOWS_NT): Delete.
5762 (CALL_NT_DLLIMPORT): Delete.
5763 Delete NT-specific code.
5764 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
5767 * nt-ci.asm: Delete.
5768 * nt-cn.asm: Delete.
5769 * ntstack.asm: Delete.
5771 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5773 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
5774 (ASM_FILE_START): Likewise.
5775 (ASM_DECLARE_FUNCTION_NAME): Likewise.
5776 (ASM_OUTPUT_LABELREF): Likewise.
5777 (ASM_OUTPUT_SKIP): Likewise.
5778 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
5779 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
5780 (ASM_OUTPUT_CASE_LABEL): Likewise.
5781 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
5782 (ASM_OUTPUT_ASCII): Likewise.
5784 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
5786 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
5787 reload_toc_labelno for non-prologue TOC reloads. Also, don't
5788 increment rs6000_pic_labelno here.
5789 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
5790 and increment rs6000_pic_labelno here.
5792 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
5794 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
5795 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
5796 allocation knows (reg) is dead before the insn.
5798 2000-01-21 Geoff Keating <geoffk@cygnus.com>
5800 * rs6000.md (movsi_to_cr): Correct typo in output template.
5802 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5804 * rs6000.c (rs6000_pic_labelno): Always define.
5805 (rs6000_pic_func_labelno): Delete.
5806 (lmw_operation): Check for a zero base register,
5807 which doesn't mean what we want.
5808 (stmw_operation): New function.
5809 (print_operand): Define new 'l' modifier.
5810 (rs6000_stack_info): We must save all 64 bits of the registers
5811 if TARGET_POWERPC64.
5812 (rs6000_output_load_toc_table): Delete.
5813 (rs6000_emit_load_toc_table): New function.
5814 (rs6000_allocate_stack_space): Delete.
5815 (rs6000_emit_allocate_stack): New function.
5816 (rs6000_emit_prologue): New function.
5817 (output_prolog): Use rs6000_emit_prologue.
5818 (rs6000_emit_epilogue): Change a few variable names to be
5819 more accurate. Restore all 64 bits of the registers if
5820 TARGET_POWERPC64. Only restore the FP registers which were used
5821 if they are being saved/restored one-at-a-time.
5822 (output_mi_thunk): Delete inefficient code generation.
5823 (output_function_profiler): Don't use rs6000_output_load_toc_table.
5824 * rs6000.h: Declare rs6000_emit_load_toc_table,
5825 rs6000_allocate_stack_space, stmw_operation. Don't declare
5826 rs6000_output_load_toc_table.
5827 * rs6000.md (elf_high): Allow register 0, but discourage it
5829 (elf_low): Support loading into register 0.
5830 (load_toc_aix_si): New pattern.
5831 (load_toc_aix_di): New pattern.
5832 (load_toc_v4_pic_si): New pattern.
5833 (load_toc_v4_pic_di): New pattern.
5834 (load_toc_v4_PIC_1): New pattern.
5835 (load_toc_v4_PIC_1b): New pattern.
5836 (load_toc_v4_PIC_2): New pattern.
5837 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
5838 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
5839 (prologue): New expander.
5840 (movesi_from_cr): New pattern.
5841 (stmw): New pattern.
5842 (save_fpregs_si): New pattern.
5843 (save_fpregs_di): New pattern.
5845 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5847 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
5852 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5854 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
5856 (movsi_got_internal): Likewise.
5857 (movsi_got_internal+1): Likewise.
5858 (set_sp): 'unspec 7' does a SImode clobber.
5860 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5862 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
5863 allocate a stack temporary.
5864 (floatsidf2_internal): Likewise.
5865 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
5867 (floatunssidf2): Don't use the fpmem "register", just
5868 allocate a stack temporary.
5869 (floatunssidf2_internal): Likewise.
5870 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
5872 (floatsidf2_loadaddr): Delete.
5873 (floatsidf2_store1): Delete.
5874 (floatsidf2_store2): Delete.
5875 (floatsidf2_load): Delete.
5876 (fix_truncdfsi2): Don't use the fpmem "register", just
5877 allocate a stack temporary.
5878 (fix_truncdfsi2_internal_si): Delete.
5879 (fix_truncdfsi2_internal_di): Delete.
5880 (fix_truncdfsi2_internal): New insn.
5881 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
5882 (fix_truncdfsi2_store): Delete.
5883 (fix_truncdfsi2_load): Delete.
5884 (fctiwz): Produce gen_fctiwz.
5886 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
5888 * eabi.h (INVOKE__main): Define.
5889 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
5891 (rs6000_emit_prologue): Likewise.
5892 * rs6000.h (struct rs6000_stack): Don't keep track of whether
5893 this is the main program.
5895 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5897 * rs6000.c (rs6000_va_arg): Delete some unused variables.
5899 2000-01-19 Geoff Keating <geoffk@cygnus.com>
5901 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
5902 goes after the argument.
5904 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5906 * rs6000.md: Document 'unspec' values used.
5907 (epilogue): New expander.
5908 (movesi_to_cr_one): New expander.
5909 (movesi_to_cr and following): New pattern.
5911 (return_internal_si): New pattern.
5912 (return_internal_di): New pattern.
5913 (return_and_restore_fpregs_si): New pattern.
5914 (return_and_restore_fpregs_di): New pattern.
5915 * rs6000.h: Declare new functions.
5916 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
5917 rather than rs6000_calls_p.
5918 (rs6000_makes_calls): Delete.
5919 (lmw_operation): New function.
5920 (mtcrf_operation): New function.
5921 (rs6000_emit_epilogue): New function.
5922 (output_epilog): Call rs6000_emit_epilogue and final if
5923 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
5925 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5927 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
5928 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
5929 * aix.h (SUBTARGET_SWITCHES): Document switches.
5930 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
5931 sched-prolog and sched-epilog the same. Document all the
5933 (TARGET_OPTIONS): No longer allow -mdebug-.
5935 2000-01-12 Geoff Keating <geoffk@cygnus.com>
5937 * rs6000.h (ASM_FILE_END): Move to aix.h.
5938 (EXTRA_SECTIONS): Move to aix.h.
5939 (READONLY_DATA_SECTION): Move to aix.h.
5940 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
5941 (SELECT_SECTION): Move to aix.h.
5942 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
5943 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
5944 (LINK_REGISTER_REGNUM): New definition.
5945 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
5946 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
5948 * sysv4.h: Delete the code between the inclusion of rs6000.h
5950 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
5951 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
5952 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
5953 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
5954 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
5955 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
5956 (fix_truncdfsi2_internal_di): New pattern.
5957 (fix_truncdfsi2_store): The second arg here is Pmode too.
5958 (fix_truncdfsi2_load): The second arg here is Pmode too.
5959 (tablejumpdi): Now that switch tables hold only SImode values,
5960 gcc needs to know how to add them to the pc which is DImode.
5961 * rs6000.c (rs6000_stack_info): Use symbolic name for
5962 LINK_REGISTER_REGNUM.
5963 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
5964 (output_toc): Delete unused variables s1 and s2.
5965 (output_ascii): Use fputs not fprintf on a variable string.
5967 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5969 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5970 * aix43.h: Revert Aug 2 change.
5971 (HAS_INIT_SECTION): Define, not visible yet.
5972 (LD_INIT_SWITCH): Define, not visible yet.
5973 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5975 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5977 * config/rs6000/rtems.h: Include config/rtems.h.
5979 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5981 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5982 (SLOW_UNALIGNED_ACCESS): Define.
5983 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5984 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5985 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5986 (toc_section): Likewise and .toc pseudo-op.
5987 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5989 (TEXT_SECTION_ASM_OP): Likewise.
5990 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5993 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5995 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
5996 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5999 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6001 * rs6000.h: Move more stuff from here...
6003 * sysv4.h: Cleanup accordingly.
6004 * netware.h: Likewise
6006 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6008 * rs6000.h: Continue cleanup.
6011 * netware.h: Likewise.
6013 * sysv4.h: Likewise.
6014 * win-nt.h: Likewise.
6016 * rs6000.h (TARGET_SWITCHES): Add descriptions.
6017 (TARGET_OPTIONS): Likewise.
6019 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
6020 (SUBTARGET_OPTIONS): Likewise.
6022 * rs6000.md: Fix compile time warnings.
6024 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6026 vxworks patches from the Cygnus tree originally by
6027 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
6028 <vmakarov@cygnus.com>.
6029 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
6030 (ENDFILE_SPEC): Likewise.
6031 (LIB_VXWORKS_SPEC): New macro.
6032 (STARTFILE_VXWORKS_SPEC): New macro.
6033 (ENDFILE_VXWORKS_SPEC): New macro.
6034 (LINK_START_VXWORKS_SPEC): New macro.
6035 (LINK_OS_VXWORKS_SPEC): New macro.
6036 (CPP_OS_VXWORKS_SPEC): New macro.
6037 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
6038 * vxppc.h: Rewrite to use proper configuration method.
6039 * vxppcle.h: New file.
6040 * ../../configure.in: Add powerpcle-wrs-vxworks*.
6041 * ../../configure: Rebuilt.
6043 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6045 Lots of changes to rs6000.h, sysv4.h, aix.h,
6046 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
6047 with the aim that rs6000.h is the first header
6048 included and the others override it.
6051 * x-aix41-gld: Remove.
6053 * x-aix41: Remove target-specific switches, and don't specify
6054 -Wl,-bbigtoc as we don't need it any more.
6055 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
6056 Use t-aix43 for AIX 4.3 and above.
6057 * ../../configure: Regenerated.
6059 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
6060 options, that don't do anything yet.
6061 (MASK_SCHED_PROLOG): New macro.
6062 (MASK_SCHED_EPILOG): New macro.
6063 (TARGET_SCHED_PROLOG): New macro.
6064 (TARGET_SCHED_EPILOG): New macro.
6066 2000-01-04 Geoff Keating <geoffk@cygnus.com>
6068 * rs6000.c: Correct comment, the `minimal' TOCs are actually
6069 one per translation unit, not one per function.
6070 (output_toc): Also do duplicate constant elimination
6071 for per-translation-unit TOCs.
6073 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
6074 a comment explaining _exactly_ when this pattern gets used.
6075 (builtin_setjmp_receiver): New pattern for better clarity.
6076 (init_v4_pic): Move it into a section dealing with TOC registers.
6078 1999-12-30 Geoff Keating <geoffk@cygnus.com>
6080 * rs6000.c (toc_hash_table): New variable.
6081 (rs6000_hash_constant): New function.
6082 (toc_hash_function): New function.
6083 (toc_hash_eq): New function.
6084 (toc_hash_mark_entry): New function.
6085 (toc_hash_mark_table): New function.
6086 (output_toc): Don't output duplicate TOC entries in
6088 (rs6000_add_gc_roots): Add the hash table as a GC root.
6089 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
6090 where they clearly shouldn't be. This may need to be fixed
6091 later when there is a GNU ar for AIX.
6092 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
6093 Don't define BOOT_LDFLAGS as it is now not necessary.
6095 1999-12-29 Geoff Keating <geoffk@cygnus.com>
6097 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
6098 for va_list on AIX. Use unsigned_char_type_node rather than
6099 constructing our own version on svr4.
6101 1999-12-17 Geoff Keating <geoffk@cygnus.com>
6103 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
6104 since patently it's not.
6106 1999-12-08 Geoff Keating <geoffk@cygnus.com>
6108 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
6109 define_expand/define_insn pair, and handle restore of the
6110 SVR4 -fpic register.
6112 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
6114 * acconfig.h (HAVE_GAS_WEAK): New define.
6115 * configure.in (assembler weak support): Check for .weak support.
6116 * config.in, configure: Rebuilt.
6117 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
6118 HAVE_GAS_WEAK is defined.
6120 2000-03-15 Nick Clifton <nickc@cygnus.com>
6122 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
6125 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
6127 * cppfiles.c (open_include_file): New function.
6128 (find_include_file, cpp_read_file): Use it.
6130 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
6132 * cpphash.c (dump_hash_helper): Take the slot, not the element.
6134 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
6136 * flow.c (verify_flow_info): Check for unconditional return.
6138 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
6140 * config/ia64/ia64.md (restore_stack_nonlocal): New.
6141 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
6142 (__ia64_restore_stack_nonlocal): New.
6143 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
6145 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6147 * cpphash.c (collect_formal_parameters): Do not complain about
6148 parameter names that just start with `__VA_ARGS__'.
6150 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
6152 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
6153 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
6154 * i386.c (pentiumpro_cost): Set mul cost to 4.
6155 (x86_use_movx): Set for PPro.
6157 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
6159 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
6160 STACK_BOUNDARY for empty frames now.
6162 2000-03-14 Mark Mitchell <mark@codesourcery.com>
6164 * stor-layout.c (layout_union): Remove.
6165 (layout_union_field): New function, split out from layout_union.
6166 (finish_union_layout): Likewise.
6167 (layout_field): Handle unions by calling layout_union_field.
6168 (finish_record_layout): Handle unions.
6169 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
6170 QUAL_UNION_TYPE handling.
6172 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
6174 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
6175 end of basic block is jump_insn, not barrier; use create_basic_block
6176 instead of creating basic block by hand.
6178 2000-03-14 Jason Eckhardt <jle@cygnus.com>
6180 * flow.c (reorder_basic_blocks): Account for barriers when writing
6181 over NEXT_INSN (last_bb->end).
6182 (verify_flow_info): Add check for missing barriers.
6184 2000-03-14 Greg McGary <gkm@gnu.org>
6186 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
6187 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
6188 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
6189 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
6190 __unbounded, __unbounded__): New keywords.
6191 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
6192 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
6193 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
6195 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
6197 * cselib.h: New file.
6198 * alias.c: Include "cselib.h".
6199 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
6200 MEMs as two new arguments.
6201 (get_addr): New static function.
6202 (find_base_term): Handle VALUEs.
6203 (memrefs_conflict_p): Likewise.
6204 (true_dependence): Call get_addr on the addresses.
6205 Call fixed_scalar_and_varying_struct_p with addresses that have been
6206 passed through get_addr and canon_rtx.
6207 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
6208 with true_dependence.
6209 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
6210 * loop.c: Include "cselib.h".
6211 (load_mems): Process extended basic block that enters the loop with
6212 cselib. Use that information to change initialization of the shadow
6213 register so that a constant equivalence is seen by later passes.
6214 * reload1.c: Include "cselib.h".
6215 (reload_cse_invalidate_regno): Delete function.
6216 (reload_cse_mem_conflict_p): Likewise.
6217 (reload_cse_invalidate_mem): Likewise.
6218 (reload_cse_invalidate_rtx): Likewise.
6219 (reload_cse_regno_equal_p): Likewise.
6220 (reload_cse_check_clobber): Likewise.
6221 (reload_cse_record_set): Likewise.
6222 (reg_values): Delete static variable.
6223 (invalidate_regno_rtx): Likewise.
6224 (reload_cse_delete_noop_set): New static function.
6225 (reload_cse_simplify): New static function, broken out of
6227 (reload_cse_noop_set_p): Delete unused argument INSN.
6228 Just call rtx_equal_for_cselib_p on set source and destination.
6229 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
6230 reload_cse_delete_noop_set. Delete code to keep track of values; use
6231 cselib functions instead. Delete code to push/pop obstacks.
6232 (reload_cse_simplify_set): Use cselib to find equivalent values.
6233 Delete code to push/pop obstacks.
6234 (reload_cse_simplify_operands): Likewise.
6235 * rtl.def (VALUE): New rtx code.
6236 * rtl.h (union rtunion_def): New elt rt_cselib.
6237 (X0CSELIB, CSELIB_VAL_PTR): New macros.
6238 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
6239 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
6240 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
6241 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
6242 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
6243 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
6244 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
6245 cselib_record_set, cselib_record_sets): New static functions.
6246 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
6247 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
6248 references_value_p): New functions.
6249 (MAX_USELESS_VALUES, REG_VALUES): New macros.
6250 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
6251 n_useless_values, reg_values, callmem, cselib_obstack,
6252 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
6253 New static variables.
6254 * varray.h (union varray_data_tag): New elt te.
6255 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
6256 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
6259 2000-03-14 Nick Clifton <nickc@cygnus.com>
6261 * gcc.c (do_spec_1): Catch the case where %* is used in a
6262 substitution pattern, but it has not been initialised.
6263 Issue a meaningful error message if an unrecognised operator
6264 is encountered in a spec string.
6266 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
6268 * function.c (prepare_function_start): Correctly initialize
6269 cfun->stack_alignment_needed.
6271 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
6273 * cppfiles.c (find_include_file): Don't assume nshort is a
6276 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
6278 * configure.in (hppa configurations): Add pa32-regs.h to the
6279 list of tm files as appropriate.
6280 * configure: Rebuilt.
6281 * pa.c (compute_frame_size): Remove explicit knowledge about FP
6283 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
6284 (fmpyaddoperands, fmpysuboperands): Likewise.
6285 * pa.h: Remove various definitions which depend on knowing
6286 how registers are numbered.
6287 * pa32-regs.h: New file with PA32 register numbering specific
6290 2000-03-14 Richard Henderson <rth@cygnus.com>
6292 * regmove.c (combine_stack_adjustments): New.
6293 (stack_memref_p, single_set_for_csa): New.
6294 (free_csa_memlist, record_one_stack_memref): New.
6295 (try_apply_stack_adjustment): New.
6296 (combine_stack_adjustments_for_block): New.
6297 * rtl.h (combine_stack_adjustments): Declare.
6298 * toplev.c (rest_of_compilation): Call it.
6300 * i386.md: Revert 2000-01-16 change.
6302 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6304 * gccbug.in: Add web category, gcc specific classes.
6306 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
6308 * stor-layout.c (finalize_record_size): Fix typo.
6310 2000-03-14 Stan Shebs <shebs@apple.com>
6312 * c-typeck.c (c_alignof): Error on incomplete types.
6313 * extend.texi (Alignment): Document this.
6315 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6317 * cppfiles.c: Include mkdeps.h.
6318 (find_include_file, read_include_file): Remove _cpp_ prefix
6319 from name, make static.
6320 (_cpp_execute_include): New function, broken out of
6323 * cpplib.c: Don't include mkdeps.h.
6324 (struct directive): Remove type field. Reorder entries. The
6325 function takes only one argument.
6326 (struct if_stack): Make type field an int.
6327 (directive_table): Rename to dtable. Generate it, the
6328 prototypes of the directive handlers, and the enum for the
6329 directive numbers, from a template macro.
6330 (do_ifndef, do_include_next, do_import): New functions.
6331 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
6332 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
6333 do_ident, do_assert, do_unassert, do_sccs): Take only one
6335 (do_sccs): Define always, but alter behavior based on
6337 (_cpp_handle_directive, consider_directive_while_skipping):
6338 Restructure for new directive table layout.
6340 (pass_thru_directive): Take a directive number, not a pointer
6341 to a struct directive.
6342 (parse_include): New function, broken out of do_include.
6343 (do_include, do_import, do_include_next): Use parse_include
6344 and _cpp_execute_include.
6345 (do_elif, do_else): Test for T_ELSE specifically when checking
6346 for #elif/#else after #else.
6347 (parse_ifdef): New function, broken out of do_ifdef.
6348 (validate_else): Expect a name arg without a leading #.
6349 (if_directive_name): Delete.
6350 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
6351 directive handlers with only one argument.
6353 * cpphash.h: Update prototypes.
6354 (enum node_type): Remove entries for directives.
6355 * Makefile.in: Update dependencies.
6357 * cpphash.c (dump_hash_helper): Only dump nodes of type
6358 T_MACRO. Emit a newline after each definition.
6360 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6362 * gccbug.in: New file.
6363 * configure.in (all_outputs): Add gccbug.
6364 * Makefile.in (install-common): Install gccbug.
6365 (GCCBUG_INSTALL_NAME): New variable.
6366 * configure: Rebuilt.
6368 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6370 * function.c (put_var_into_stack): Use type_for_mode to calculate
6371 part_type. Use MEM_SET_IN_STRUCT_P.
6372 * expr.c (store_field): Handle CONCAT.
6373 (store_constructor): Use fields_length.
6374 * tree.c (fields_length): New fn.
6375 * tree.h: Declare it.
6377 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6379 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
6380 (cpplex.o): New target.
6381 * po/POTFILES.in: Add cpplex.c.
6383 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
6384 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
6385 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
6386 skip_block_comment, skip_line_comment, skip_comment,
6387 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
6388 _cpp_parse_name, skip_string, parse_string,
6389 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
6390 _cpp_get_directive_token, find_position,
6391 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
6392 (maybe_macroexpand, _cpp_lex_token): New functions.
6394 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
6395 parse_goto_mark): Delete.
6396 (_cpp_handle_eof): New function.
6397 (_cpp_handle_directive): Rename from handle_directive.
6398 (_cpp_output_line_command): Rename from output_line_command.
6399 (do_if, do_elif): Call _cpp_parse_expr directly.
6400 * cppfiles.c (_cpp_read_include_file): Don't call
6401 init_input_buffer here.
6402 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
6403 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
6404 here; pop the token_buffer and skip the rest of the line here.
6405 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
6408 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
6410 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
6411 CPP_GOTO_MARK): New macros.
6412 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
6413 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
6414 _cpp_read_and_prescan, _cpp_init_input_buffer,
6415 _cpp_grow_token_buffer, _cpp_get_directive_token,
6416 _cpp_handle_directive, _cpp_handle_eof,
6417 _cpp_output_line_command): Prototype them here.
6418 * cpplib.h (enum cpp_token): Add CPP_MACRO.
6419 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
6420 quote_string, output_line_command): Remove.
6422 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
6424 * stmt.c (expand_end_case): RANGE may be signed, and when checking
6425 whether it is too large we must also verify that it isn't negative.
6427 2000-03-13 Jakub Jelinek <jakub@redhat.com>
6429 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
6430 (movsi_zero_liveg0): Remove.
6431 (movsf_insn_novis_liveg0): Remove.
6433 (negsi2_not_liveg0): Rename to negsi2.
6434 (one_cmplsi2): Remove.
6435 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
6436 (one_cmplsi2_liveg0): Remove.
6437 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
6438 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
6439 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
6440 (PREDICATE_CODES): Remove zero_operand.
6441 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
6442 TARGET_BROKEN_SAVERESTORE.
6443 (zero_operand): Remove.
6444 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
6445 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
6447 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
6448 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6449 TARGET_BROKEN_SAVERESTORE): Remove.
6450 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6452 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6454 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
6457 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
6459 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
6461 * cpplib.c (do_pragma_implementation): Fix off-by-one error
6462 truncating a string. Don't assume tokens are nul terminated.
6463 Problem noted by Andreas Jaeger <aj@suse.de>
6465 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
6467 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
6468 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
6469 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
6471 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
6473 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
6474 STRUCTURE_SIZE_BOUNDARY.
6476 2000-03-13 Mark Mitchell <mark@codesourcery.com>
6478 * tree.h (record_layout_info_s): New structure.
6479 (record_layout_info): New type.
6480 (new_record_layout_info): New function.
6481 (layout_field): Likewise.
6482 (finish_record_layout): Likewise.
6483 * stor-layout.c (layout_record): Remove.
6484 (new_record_layout_info): New function.
6485 (layout_field): New function, broken out from layout_record.
6486 (finalize_record_size): Likewise.
6487 (compute_record_mode): Likewise.
6488 (finalize_type_size): New function, broken out from layout_type.
6489 (finish_record_layout): Likewise.
6490 (layout_type): Use them.
6492 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6494 * cpphash.c: Don't include version.h.
6495 (special_symbol) [case T_VERSION]: Look for the string in
6496 hp->value.cpval; don't use version_string.
6497 * cppinit.c (initialize_builtins): Set hp->value.cpval for
6498 __VERSION__ to version_string.
6499 * Makefile.in (cpphash.o): Update deps.
6501 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
6503 Convert cpplib to use libiberty/hashtab.c.
6505 * cpplib.h (struct cpp_reader): Make hashtab and
6506 all_include_files of type 'struct htab *'. Delete HASHSIZE
6507 and ALL_INCLUDE_HASHSIZE macros.
6509 * cpphash.h: Update prototypes.
6510 (struct hashnode): Remove next, prev, and bucket_hdr members.
6511 Make length a size_t. Add hash member.
6512 (struct ihash): Remove next member. Add hash member. Make
6513 name a flexible array member.
6515 * cppfiles.c: Include hashtab.h.
6516 (include_hash): Delete.
6517 (IHASHSIZE): New macro.
6518 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
6519 (cpp_included): Do the hash lookup here.
6520 (_cpp_find_include_file): Rewrite.
6521 (cpp_read_file): Put the "fake" hash entry into the hash
6522 table. Honor the control_macro, if it turns out we've seen
6523 the file before. Don't push the buffer here.
6524 (_cpp_read_include_file): Push the buffer here.
6525 (OMODES): New macro. Use it whenever we call open(2).
6527 * cpphash.c: Include hashtab.h.
6528 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
6529 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
6530 _cpp_lookup_slot): New functions.
6531 (HASHSIZE): new macro.
6532 (hashf, _cpp_install, _cpp_delete_macro): Delete.
6533 (_cpp_lookup): Use hashtab.h routines.
6535 * cppinit.c: Include hashtab.h.
6536 (cpp_reader_init): Call _cpp_init_macro_hash and
6537 _cpp_init_include_hash. Don't allocate hashtab directly.
6538 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
6539 pfile->all_include_files.
6540 (initialize_builtins): Use _cpp_make_hashnode and
6541 htab_find_slot to add hash entries.
6542 (cpp_finish): Just call _cpp_dump_macro_hash.
6543 * cpplib.c: Include hashtab.h.
6544 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
6545 create hash entries.
6546 (do_pragma_poison, do_assert): Likewise.
6547 (do_include): Don't push the buffer here. Don't increment
6548 system_include_depth unless _cpp_read_include_file succeeds.
6549 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
6551 (do_pragma_implementation): Use alloca to create copy.
6553 * Makefile.in: Update dependencies.
6555 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6557 * cppinit.c (cl_directive_handler): More K&R fixing.
6559 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
6561 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
6563 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
6565 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6567 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
6568 Change from char[] to macros.
6570 2000-03-12 Neil Booth <NeilB@earthling.net>
6572 * cppinit.c (cpp_start_read): Update indirect function
6575 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
6577 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
6580 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
6581 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
6583 2000-03-11 Neil Booth <NeilB@earthling.net>
6585 * cppinit.c (struct pending option): Replace undef with a
6586 pointer to a directive handling routine.
6587 (struct cpp_pending): Replace separate assert_ and define_
6588 lists with one directive_ list.
6589 (new_pending_define): Rename new_pending_directive. Extra
6590 argument is the directive's handling routine.
6591 (handle_option): Update to use new_pending_directive.
6593 2000-03-11 Neil Booth <NeilB@earthling.net>
6595 * cppfiles.c (file_cleanup, _cpp_find_include_file,
6596 remap_filename, _cpp_read_include_file, actual_directory,
6597 hack_vms_include_specification): Replace bcopy(), index() etc
6598 calls. Add casts to some allocations. Make some variables
6599 pointers to const [unsigned] char.
6600 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
6601 collect_formal_parameters): Similarly.
6602 * cppinit.c (struct pending_option, append_include_chain,
6603 cpp_options_init, cpp_reader_init, initialize_standard_includes,
6604 cpp_start_read, new_pending_define, handle_option): Similarly.
6605 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
6606 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
6607 do_pragma_implementation, detect_if_not_defined,
6608 do_ifdef, skip_if_group, cpp_get_token, parse_string,
6609 do_assert, do_unassert): Similarly.
6610 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
6611 function prototypes.
6612 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
6614 2000-03-10 Richard Henderson <rth@cygnus.com>
6616 * builtins.c (expand_builtin_strlen): Revert last change.
6617 Use emit_insn_before if we're at the beginning of a sequence.
6619 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
6621 * builtins.c (expand_builtin_strlen): Make sure that we have something
6622 at the beginning of the sequence.
6624 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
6627 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
6629 2000-03-10 Richard Henderson <rth@cygnus.com>
6631 * except.c (can_throw): Use INTVAL on a CONST_INT.
6632 (reachable_handlers): Likewise.
6633 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
6635 2000-03-10 Andreas Jaeger <aj@suse.de>
6637 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
6638 MD_STARTFILE_PREFIX since those are not needed on linux.
6639 (ASM_FILE_START): New, from mips/gnu.h.
6641 2000-03-09 Richard Henderson <rth@cygnus.com>
6642 Alex Samuel <samuel@codesourcery.com> and others
6644 * Makefile.in (ssa.o): New rule.
6646 (STAGESTUFF): Add *.ssa and *.ussa.
6647 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
6648 * rtl.def (PHI): New RTL expression.
6649 * rtl.h (clear_log_links): New declaration.
6650 (convert_to_ssa): Likewise.
6651 (convert_from_ssa): Likewise.
6652 * flow.c (split_edge): If the entry node falls through to the
6653 split edge's source block, split the entry edge.
6654 (clear_log_links): New function.
6655 * toplev.c (ssa_dump): New variable.
6656 (flag_ssa): Likewise.
6657 (f_options): Add "ssa".
6658 (compile_file): Create SSA dump files.
6659 (rest_of_compilation): Go to and from SSA if enabled.
6660 (decide_d_option): Handle -de for SSA dump files.
6663 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
6665 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
6668 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
6670 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
6672 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
6674 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
6675 (MD_STARTFILE_PREFIX_1): New macro.
6677 2000-03-09 Robert Lipe <robertl@sco.com>
6679 * config/ia64/ia64.c: Include system.h.
6681 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6683 * except.c (nothrow_function_p): If -fno-exceptions, just return.
6684 (init_eh_nesting_info): Likewise.
6686 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
6687 (TREE_NOTHROW): Rename from TREE_RAISES.
6688 * toplev.c (rest_of_compilation): Set it.
6689 * print-tree.c (print_node): Adjust.
6690 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
6691 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
6692 * calls.c (emit_call_1): Add 'nothrow' parm. Add
6693 REG_EH_REGION note as appropriate.
6694 (libfunc_nothrow): New fn.
6695 (emit_library_call, emit_library_call_value): Use it.
6696 (expand_call): Check TREE_NOTHROW.
6698 * varasm.c (make_decl_rtl): Skip initial '*' when setting
6699 DECL_ASSEMBLER_NAME.
6701 2000-03-09 Andreas Jaeger <aj@suse.de>
6703 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
6704 (TARGET_MEM_FUNCTIONS): Define.
6706 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
6708 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
6710 * except.c (can_throw): See through a SEQUENCE.
6711 (nothrow_function_p): New fn.
6712 * except.h: Declare it.
6713 * function.c (current_function_nothrow): New var.
6714 (prepare_function_start): Initialize it.
6715 * output.h: Declare it.
6716 * toplev.c (rest_of_compilation): Set it.
6717 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
6719 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
6721 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
6722 match. (cpp_compare_defs): Count the nul separator when
6723 advancing over argument names.
6725 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
6727 * recog.c (preprocess_constraints): Matching constraints affect
6728 same alternative/different operand, not same operand/different
6731 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
6732 register and a constant specially.
6734 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6736 * libgcc2.h: New file.
6737 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
6739 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
6741 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
6742 * configure: Regenerate.
6745 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6747 * Makefile.in (LIBCPP_DEPS): New macro.
6748 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
6750 * cpperror.c: Include cpphash.h.
6751 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
6753 (lex): Don't use CPP_WARN_UNDEF.
6754 (_cpp_parse_expr): Return an int, the truth value.
6755 * cppfiles.c: Include cpphash.h.
6756 (_cpp_merge_include_chains): Move to cppinit.c and make static.
6757 * cppinit.c (include_defaults_array): Disentangle.
6758 (cpp_cleanup): Don't free the if stack here.
6759 (cpp_finish): Pop off all buffers, not just one.
6760 * cpplib.c (eval_if_expr): Return int.
6761 (do_xifdef): Rename do_ifdef.
6762 (handle_directive): Don't use CPP_PREPROCESSED.
6763 (cpp_get_token): Don't use CPP_C89.
6764 * fix-header.c: Don't use CPP_OPTIONS.
6766 * cpplib.h: Move U_CHAR, enum node_type, struct
6767 file_name_list, struct ihash, is_idchar, is_idstart,
6768 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
6769 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
6770 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
6771 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
6772 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
6773 of _cpp_simplify_pathname, _cpp_find_include_file,
6774 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
6775 Move struct if_stack to cpplib.c. Move struct cpp_pending to
6777 Change all uses of U_CHAR to be unsigned char instead.
6778 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
6780 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6782 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
6783 (dwarf2out_begin_prologue): Set it.
6784 (output_call_frame_info): Don't emit EH unwind info for leaves.
6786 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
6787 can occur outside of an EH region.
6788 * except.c: Correct comments about rethrow behavior.
6789 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
6791 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
6793 * flow.c (make_edges): Always call make_eh_edge for calls.
6795 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
6797 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
6798 (struct cpp_buffer): Remove fname and underflow fields.
6799 (struct cpp_reader): Remove get_token field.
6800 (struct include_hash): Rename to struct ihash. Add typedef to
6802 (struct if_stack): Remove fname field.
6803 (IF_STACK_FRAME): Rename to IF_STACK.
6805 * cpperror.c (print_containing_files): Trust that there are no
6806 macro buffers below the top file buffer.
6807 * cppfiles.c: Replace all references to 'struct include_hash'
6808 with 'IHASH'. Rename initialize_input_buffer to
6809 init_input_buffer. Don't set or reference cpp_buffer->fname,
6810 use buffer->ihash->name instead.
6811 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
6812 not CPP_NULL_BUFFER.
6813 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
6814 IF_STACK_FRAME, IHASH not struct include_hash.
6815 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
6816 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
6817 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
6818 references to cpp_buffer->fname (delete entirely, or use
6819 ->ihash->name instead) and IF_STACK->fname.
6820 (cpp_push_buffer): Don't set new->underflow.
6821 (do_include): Use cpp_file_buffer.
6823 * cpphash.c (collect_formal_parameters): Remove duplicate
6824 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
6825 used as a macro argument name. Don't append "..." to namebuf
6826 for varargs macros. After we're done scanning, go through
6827 namebuf and make it NUL separated, not comma separated.
6828 (_cpp_compare_defs): Remove register tag from variables.
6829 Expect defn->argnames to be NUL separated.
6830 (_cpp_dump_definition): Expect defn->argnames to be NUL
6831 separated and in forward order.
6832 * cpphash.h: Update documentation of argnames field.
6834 2000-03-08 Richard Henderson <rth@cygnus.com>
6836 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
6837 to fail. Don't pre-expand the source operand.
6839 * i386.md (strlensi): Initialize eoschar and align before use.
6841 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
6843 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
6844 CONSTRUCTOR element.
6846 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6848 * mips.c (mips_expand_prologue): If the last
6849 named argument is the vararg marker "va_list", treat it as
6850 an unnamed argument.
6852 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
6854 * dbxout.c (dbxout_parms): When correcting for promoted
6855 big-endian parameters, use the mode of the DECL_RTL rather
6856 than UNITS_PER_WORD.
6858 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
6860 * c-common.h (make_fname_decl): Declare.
6861 * c-common.c (make_fname_decl): Define.
6862 (declare_hidden_char_array): Remove.
6863 (declare_function_name): Use make_fname_decl.
6864 * c-decl.c (c_make_fname_decl): New function.
6865 (init_decl_processing): Set make_fname_decl.
6867 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
6869 * cccp.c (handle_directive): Initialize backslash_newlines_p.
6871 2000-03-07 Philipp Thomas <pthomas@suse.de>
6873 * po/POTFILES.in: Remove cppalloc.c from file list.
6875 2000-03-07 Steve Chamberlain <sac@pobox.com>
6877 * pj.c (pj_expand_prologue): current_function->args_info is
6878 now current_function_args_info.
6880 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
6881 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
6882 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
6884 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6886 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
6887 output as hexadecimal rather than the default octal.
6889 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6891 * cpphash.c (special_symbol): Fix thinko in previous commit.
6893 2000-03-07 Neil Booth <NeilB@earthling.net>
6895 * cppexp.c (struct operation, left_shift, right_shift,
6896 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
6897 "int"s to "unsigned int"s.
6898 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
6900 * cpplib.h: Update for above.
6901 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
6902 returned from allocations.
6904 * cppinit.c (opt_comp, parse_options): New functions.
6905 (handle_option): Use parse_option to parse a single command
6906 line option, that possibly takes an argument.
6907 (cpp_handle_options): Sort the array of command line options on
6908 first invocation (non-ASCII hosts only).
6909 (print_help): Update.
6911 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
6913 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
6914 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
6916 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
6918 * cppinit.c (cpp_cleanup): Free imp->nshort also.
6920 * cpperror.c (cpp_print_containing_files,
6921 cpp_print_file_and_line, v_cpp_message): Rename to
6922 print_containing_files, print_file_and_line, and v_message.
6923 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
6924 to _cpp_parse_expr, parse_escape, and lex.
6925 (parse_charconst): Remove broken multibyte support.
6926 * cppfiles.c (include_hash): Make static.
6927 (cpp_included): New function.
6928 (merge_include_chains, find_include_file, finclude,
6929 simplify_pathname): Rename to _cpp_merge_include_chains,
6930 _cpp_find_include_file, _cpp_read_include_file, and
6931 _cpp_simplify_pathname.
6932 * cpphash.c (cpp_lookup, free_definition, delete_macro,
6933 cpp_install, create_definition, macroexpand, compare_defs,
6934 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
6935 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
6936 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
6937 * cppinit.c (cpp_handle_option): Rename to handle_option, make
6939 * cpplib.c: Remove extern prototype of cpp_parse_expr.
6941 * cpphash.h: Update prototypes.
6942 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
6944 2000-03-07 Andrew Haley <aph@cygnus.com>
6946 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
6947 PTRDIFF_TYPE should be based solely on Pmode.
6950 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6952 * rtl.h (rtunion_def): Constify member `rtstr'.
6953 (emit_line_note_after, emit_line_note, emit_line_note_force,
6954 emit_note, decode_asm_operands): Constify.
6956 * cse.c (canon_hash): Likewise.
6958 * dbxout.c (dbxout_block): Likewise.
6960 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
6961 v_warning_for_asm): Likewise.
6963 * dwarfout.c (function_start_label): Likewise.
6965 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
6966 emit_line_note_force): Likewise.
6968 * final.c (last_filename, asm_insn_count, final_scan_insn,
6969 output_source_line): Likewise.
6971 * function.h (struct emit_status): Likewise.
6973 * gcse.c (hash_expr_1): Likewise.
6975 * genattr.c (gen_attr, main): Likewise.
6977 * genattrtab.c (struct function_unit, current_alternative_string,
6978 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
6979 attr_numeral, check_attr_test, check_attr_value,
6980 convert_set_attr_alternative, convert_set_attr,
6981 compute_alternative_mask, simplify_by_exploding, gen_attr,
6982 gen_unit): Likewise.
6984 * genflags.c (gen_insn): Likewise.
6986 * gengenrtl.c (type_from_format): Likewise.
6988 * genopinit.c (gen_insn): Likewise.
6990 * genoutput.c (n_occurrences, process_template, process_template):
6993 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6996 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
6999 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
7000 ggc_set_mark, ggc_get_size): Likewise.
7002 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
7004 * optabs.c (init_one_libfunc): Likewise.
7006 * output.h (assemble_start_function): Likewise.
7008 * recog.c (decode_asm_operands): Likewise.
7010 * toplev.c (rest_of_compilation): Likewise.
7012 * tree.h (emit_line_note_after, emit_line_note,
7013 emit_line_note_force): Likewise.
7015 * varasm.c (asm_output_bss, asm_output_aligned_bss,
7016 asm_emit_uninitialised, assemble_start_function,
7017 assemble_variable, const_hash, compare_constant_1,
7018 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
7020 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
7022 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
7024 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
7026 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
7028 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
7029 arm_dllimport_name_p): Likewise.
7031 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
7034 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
7036 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7038 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
7039 arm_mark_dllexport, arm_mark_dllimport,
7040 arm_pe_encode_section_info): Likewise.
7042 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
7043 ASM_FINISH_DECLARE_OBJECT): Likewise.
7045 * arm/thumb.c (thumb_function_prologue): Likewise.
7047 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
7049 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7051 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
7053 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
7055 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7057 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7059 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
7060 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
7062 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
7064 * i386/i386.c (asm_output_function_prefix): Likewise.
7066 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
7068 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7070 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
7072 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
7073 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
7074 ASM_OUTPUT_SECTION_NAME): Likewise.
7076 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
7078 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
7080 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
7082 * m32r/m32r.c (m32r_encode_section_info): Likewise.
7084 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7086 * mcore/mcore.c (mcore_encode_section_info): Likewise.
7088 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7090 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7092 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7094 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
7096 * mips/mips.md (movdi, movsi): Likewise.
7098 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7100 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7102 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7104 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
7105 ASM_OUTPUT_ASCII): Likewise.
7107 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
7108 output_mi_thunk, output_toc): Likewise.
7110 * rs6000/rs6000.md (movsi): Likewise.
7112 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
7114 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
7116 * v850/v850.c (print_operand, print_operand_address,
7117 v850_encode_data_area): Likewise.
7119 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
7121 * config/mips/mips.md (zero_extendsidi2): Always force operand
7122 one to memory for mips16.
7124 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7126 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
7127 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
7128 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
7129 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
7130 (min_precision): Result is unsigned.
7131 (add_double, neg_double, mul_double): Low word is unsigned.
7132 (lshift_double, rshift_double, lrotate_double): Likewise.
7133 (rrotate_double, div_and_round_double): Likewise.
7134 (tree_floor_log2, compare_tree_int): New functions.
7135 (preserve_rtl_expr_temps): New declaration.
7136 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
7137 (decl_attributes): Use tree_log2 to find alignment.
7138 Check for TREE_INT_CST_HIGH for format args.
7139 (min_precision): Now unsigned.
7140 Use tree_floor_log2.
7141 (truthvalue_conversion): Delete long-disabled code.
7142 * c-decl.c (finish_struct): Clean up tests on field width.
7143 (finish_function): Use compare_tree_int.
7144 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
7145 * c-typeck.c (comptypes): Use tree_int_cst_equal.
7146 (default_conversion, digest_init): Use compare_tree_int.
7147 (build_binary_op): Use integer_all_onesp and compare_tree_int.
7148 Fix type errors in forming masks.
7149 * calls.c (initialize_argument_information): Use compare_tree_int.
7150 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7151 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
7152 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
7153 (store_field): Use compare_tree_int.
7154 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
7155 (expand_expr, case ARRAY_REF): Use compare_tree_int.
7156 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
7157 (do_store_flag): Use compare_tree_int.
7158 * fold-const.c (encode, decode): Low part is always unsigned.
7159 (force_fit_type, add_double, neg_double, mul_double): Likewise.
7160 (lshift_double, rshift_double, lrotate_double): Likewise.
7161 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
7162 (fold_convert): Use compare_tree_int.
7163 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
7164 (invert_truthvalue, case INTEGER_CST): Likewise.
7165 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
7166 * mkdeps.c (deps_dummy_targets): Make I unsigned.
7167 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
7168 (lshift_double, rshift_double, lrotate_double, rrotate_double):
7170 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
7171 (expand_end_case): Use compare_tree_int.
7172 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
7173 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
7174 (layout_decl): Likewise.
7175 (layout_record, layout_union): Make sizes unsigned.
7176 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
7177 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
7178 * tree.c (struct type_hash): hashcode is unsigned.
7179 (build_type_attribute_variant, type_hash_list): Likewise.
7180 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
7181 (attribute_hash_list, build_array_type, build_method_type): Likewise.
7182 (build_complex_type): Likewise.
7183 (real_value_from_int_cst): Remove unneeded casts.
7184 (integer_all_onesp): Add casts.
7185 (tree_floor_log2, compare_tree_int): New functions.
7186 (build_index_type): Use tree_int_cst_sgn.
7187 * varasm.c (assemble_variable): Use compare_tree_int.
7189 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
7191 * cpphash.c (collect_expansion): Also catch ## at start of macro.
7193 * varasm.c (make_decl_rtl): Don't add a number to members of
7195 (make_function_rtl): Likewise.
7197 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7199 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
7200 patch from 2000-01-28.
7202 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
7204 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
7205 filled with an insn from the jump target.
7207 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7209 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
7210 (c4x_external_ref): Likewise.
7211 * config/c4x/c4x.c (struct name_list): Likewise.
7213 1999-12-16 Ben Collins <bcollins@debian.org>
7215 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
7216 argument to genmultilib.
7217 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
7218 the contents into the multilib.h header.
7219 * gcc.c: Declare multilib_exclusions for the specs file.
7220 (set_multilib_dir): Use it.
7221 (print_multilib_info): Likewise.
7222 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
7223 to pass to genmultilib.
7225 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7227 * builtins.c (built_in_class_names, built_in_names): Constify a
7230 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
7232 (_mcleanup): Ensure value matches format specifier in sprintf.
7234 * cpphash.c (special_symbol): Don't needlessly cast away
7237 * cppinit.c (base_name): Delete unused prototype.
7239 * mkdeps.c (deps_init): Make definition K&R safe.
7241 * tree.h (built_in_class_names, built_in_names): Constify a
7244 2000-03-06 Jakub Jelinek <jakub@redhat.com>
7246 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
7247 floating point instructions for epilogue delay.
7249 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
7250 to gas if it supports .register pseudo.
7252 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
7253 LONG_DOUBLE_TYPE_SIZE if not defined.
7254 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
7255 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
7257 * gengenrtl.c: Likewise.
7258 * print-rtl.c: Likewise.
7260 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
7261 MASK_LONG_DOUBLE_128.
7262 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
7263 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
7264 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
7265 (SUBTARGET_SWITCHES): Define.
7266 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
7267 with -mlong-double-128.
7268 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7269 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7270 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7271 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
7272 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
7273 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
7274 with -mlong-double-128.
7275 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
7276 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
7277 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
7278 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
7279 TARGET_LONG_DOUBLE_128): Define.
7280 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
7281 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
7282 long double on TARGET_ARCH64.
7284 2000-03-06 Mark Mitchell <mark@codesourcery.com>
7286 * function.c (free_temps_for_rtl_expr): Don't free slots
7287 that have been pushed into a higher level.
7290 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7292 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7294 * basic-block.h (ALLOCA_REG_SET): Remove.
7295 (INITIALIZE_REG_SET): New macro.
7296 * flow.c (update_life_info): Use it.
7297 (calculate_global_regs_live): Likewise.
7298 (propagate_block): Likewise.
7299 * global.c (build_insn_chain): Likewise.
7300 * haifa-sched.c (schedule_region): Likewise.
7302 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
7304 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
7305 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
7306 (DWARF_ARANGES_PAD_SIZE): New define.
7307 (output_aranges): Use it to pad the address range header.
7308 (DWARF_ROUND): Fix for non power of 2 rounding.
7310 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
7312 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
7314 2000-03-05 Mark Mitchell <mark@codesourcery.com>
7316 * tree.def (RTL_EXPR): Update documentation.
7317 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
7318 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
7319 * function.c (preserve_rtl_expr_temp): New function.
7320 (preserve_rtl_expr_temps): Likewise.
7321 (preserve_rtl_expr_result): Use it.
7324 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7326 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
7328 * regmove.c (copy_src_to_dest) Do not create src->dest move
7329 for unchanging destination.
7331 2000-03-04 Mark Mitchell <mark@codesourcery.com>
7333 * function.h (struct sequence_stack): Remove rtl_expr.
7334 (struct emit_staus): Likewise.
7335 (seq_rtl_expr): Remove.
7336 * tree.h (free_temps_for_rtl_expr): Don't declare.
7337 (start_sequence_for_rtl_expr): Likewise.
7338 * rtl.h (preserve_rtl_expr_result): Likewise.
7339 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
7340 (start_sequence_for_rtl_expr): Remove.
7341 (push_topmost_sequence): Don't save sequence_rtl_expr.
7342 (pop_topmost_sequence): Remove comment about not restoring it.
7343 (end_sequence): Don't set seq_rtl_expr.
7344 (init_emit): Don't initialize it.
7345 (mark_sequence_stack): Don't mark it.
7346 (mark_emit_status): Likewise.
7347 * except.c (protect_with_terminate): Use
7348 start_sequence_for_rtl_expr, not start_sequence.
7349 * expr.c (expand_expr, case RTL_EXPR): Don't call
7350 preserve_rtl_expr_result or free_temps_for_rtl_expr.
7351 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
7352 (preserve_rtl_expr_result): Remove.
7353 (free_temps_for_rtl_expr): Likewise.
7354 (pop_temp_slots): Likewise.
7355 (mark_temp_slot): Don't mark the rtl_expr.
7356 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
7357 start_sequence_for_rtl_expr.
7359 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
7361 * mkdeps.c, mkdeps.h: New files.
7362 * po/POTFILES.in: Add them.
7363 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
7364 (cpplib.o, cppinit.o): Depend on mkdeps.h.
7365 (mkdeps.o): New target.
7367 * cppfiles.c: Delete deps_output.
7368 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
7369 OBJECT_SUFFIX, and base_name.
7370 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
7372 (initialize_dependency_output): Use deps_init,
7373 deps_add_target, deps_calc_target, and deps_add_dep. Remove
7374 all the unnecessary string bashing.
7375 (cpp_finish): Use deps_write. Remove an unnecessary nesting
7377 * cpplib.c (do_include): Use deps_add_dep.
7378 * cpplib.h (struct cpp_reader): Replace deps_buffer,
7379 deps_allocated_size, deps_size, deps_column members with
7380 single pointer to a struct deps. Delete prototype of
7383 * cppinit.c: Fix thinko in previous patch.
7385 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7387 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
7388 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
7389 (mode_for_size_tree): New function.
7390 (layout_decl, layout_type): Call it and clean up BLKmode checks.
7391 * tree.h (mode_for_size_tree): New declaration.
7393 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
7395 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
7397 * stmt.c (is_body_block): Move...
7398 * dwarfout.c, dwarf2out.c: ...from here.
7399 * tree.h: Declare it.
7400 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
7401 * final.c (final_start_function): Do call remove_unnecessary_notes
7404 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7406 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
7408 * cpplib.h (_dollar_ok): New macro.
7409 (is_idchar, is_idstart): Use it.
7410 (IStable): Rename to _cpp_IStable. Declare it const if
7411 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
7412 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
7413 is_space): Update for renamed IStable.
7415 * cppinit.c: Delete all references to FAKE_CONST and CAT
7416 macros. Define init_IStable as empty macro if gcc >=2.7 or
7417 C99. Change TABLE() to ISTABLE and hardcode name of table.
7418 (cpp_start_read): Don't change the IStable based on
7421 * cpphash.c (unsafe_chars): Add pfile argument. All callers
7422 changed. Handle '$' for char1 correctly.
7423 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
7425 * cppexp.c (tokentab2): Make const.
7426 (cpp_lex): Make toktab const.
7427 * cppinit.c (include_defaults_array): Make const.
7428 (initialize_standard_includes): Make default_include const.
7430 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7432 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
7433 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
7434 (gen_decl_die): Likewise.
7435 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
7436 (output_decl): Likewise.
7438 * varasm.c (make_function_rtl): If we change the name used in the
7439 rtl, update DECL_ASSEMBLER_NAME accordingly.
7440 (make_decl_rtl): Likewise.
7442 * toplev.c (rest_of_compilation): Tweak formatting.
7444 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
7445 remove_unnecessary_notes.
7446 (debug_ignore_block): New fn.
7447 * toplev.h: Declare it.
7448 * emit-rtl.c (remove_unncessary_notes): Call it.
7449 * dwarf2out.c (dwarf2out_ignore_block): New fn.
7450 * dwarf2out.h: Declare it.
7451 * final.c (final_start_function): Don't call remove_unnecessary_notes
7452 if we did insn scheduling.
7454 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
7456 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
7457 * cpplib.h: Delete SET_CPP_PEDANTIC.
7459 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7461 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
7462 result is a RECORD_TYPE.
7464 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
7466 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
7468 2000-03-03 Richard Henderson <rth@cygnus.com>
7470 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
7471 addition over compliments over shifts.
7473 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7475 * reload1.c (reload_combine_note_use): Handle return register USEs.
7476 REG case: Handle multi-hard-register hard regs.
7478 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7480 * md.texi: Document use of '*' in insn pattern name.
7482 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
7484 * calls.c (special_function_p): operator new may not be malloc-like.
7486 * gcse.c (dump_hash_table): Really fix error in last change.
7488 2000-03-02 Denis Chertykov <denisc@overta.ru>
7490 * avr.c (print_operand): Use print_operand_address instead of
7492 * avr/libgcc.S: Cleanup code.
7494 2000-03-02 Richard Henderson <rth@cygnus.com>
7496 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
7498 2000-03-02 Mark Mitchell <mark@codesourcery.com>
7500 * tree.h (TYPE_ALIGN_UNIT): New macro.
7502 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
7504 * i386.c: (constant_call_address_operand): Reject CONST_INT.
7506 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
7508 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
7510 (SET_CPP_PEDANTIC): New macro.
7511 * cpplib.c (do_include): Don't bother checking system_header_p.
7512 (do_warning, do_ident, do_assert, do_unassert): Likewise.
7513 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
7515 * function.h (struct expr_status): Add x_arg_space_so_far.
7516 (arg_space_so_far): New macro.
7517 * expr.c (init_expr): Initialize it.
7518 * calls.c (emit_call_1): Reset it.
7519 (compute_argument_block_size, expand_call): Use it.
7520 (expand_call, store_one_arg): Increment it.
7522 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7524 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
7527 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
7529 * cppfiles.c (cpp_read_file): New function.
7531 * cpphash.c (collect_expansion): Make sure to reset last_token
7532 to NORM when we hit a string. Handle trailing whitespace
7533 properly when the expansion is empty.
7534 (create_definition): Disable line commands while parsing the
7536 (dump_definition): If pfile->lineno == 0, output a line
7537 command ahead of the dump, and add a trailing newline.
7539 * cppinit.c (append_include_chain): Add fifth argument, which
7540 indicates whether or not system headers are C++ aware.
7541 (initialize_standard_includes): New function,
7542 broken out of read_and_prescan. Pass 'cxx_aware' value from
7543 the include_defaults_array on to append_include_chain.
7544 (dump_special_to_buffer): Const-ify char array.
7545 (builtin_array): Don't dump __BASE_FILE__.
7546 (cpp_start_read): Use cpp_read_file. Reorder code for
7547 clarity. Don't output line commands here for -D/-A/-U
7548 switches. Don't call deps_output for files included with
7549 -include or -imacros.
7551 * cpplib.c (do_define): Don't pay any attention to the second
7553 (cpp_expand_to_buffer): Disable line commands while scanning.
7554 (output_line_command): Work in the file buffer.
7555 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
7556 Fix formatting of comments. Prototype cpp_read_file.
7558 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7560 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
7561 reference the language-equivalent of sizetype.
7562 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
7563 * fold-const.c (size_binop, size_diffop): Put back checks.
7564 * gcse.c (dump_hash_table): Fix minor error in last change.
7565 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
7566 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
7569 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
7571 * calls.c (expand_call) Do not attempt to combine stack adjustments
7572 with inhibit_defer_pop set.
7574 2000-03-01 Mark Mitchell <mark@codesourcery.com>
7576 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
7577 the DECL_SIZE for a FIELD_DECL.
7579 2000-03-01 Bruce Korb <bkorb@gnu.org>
7581 * fixinc/inclhack.tpl: remove unused symlinks
7582 * fixinc/README: GCC Maintainer info
7583 * fixinc/inclhack.sh: regen
7584 * fixinc/fixincl.sh: regen
7586 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
7588 * cpphash.c (collect_expansion): Trim trailing white space
7589 from macro definitions, but don't go past the last insertion
7592 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
7594 * i386.md (mulqi3): New pattern.
7596 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
7598 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
7600 (struct cpp_reader): Add parsing_if_directive and
7601 parsing_define_directive flags.
7602 (struct cpp_options): Remove output_conditionals flag.
7603 (check_macro_name): Delete prototype.
7605 * cpphash.h (struct macrodef): Delete.
7606 (struct reflist): Separate from struct definition.
7607 (struct definition): Remove unused fields. Add column number.
7608 (create_definition): Returns a DEFINITION *. Takes a
7609 cpp_reader * and an int.
7611 * cpphash.c (SKIP_WHITE_SPACE): Delete.
7612 (PEEKC): Copy defn from cpplib.c.
7613 (rest_extension, REST_EXTENSION_LENGTH): Delete.
7615 (struct arglist): Simplify.
7616 (collect_expansion): Rewrite. Get tokens by calling
7617 cpp_get_token. Add more error checking.
7618 (collect_formal_parameters): New function, broken out of
7619 create_definition and reworked to use get_directive_token.
7620 (create_definition): All real work is now in collect_expansion
7621 and collect_formal_parameters. do_define handles finding the
7622 macro name. Return a DEFINITION, not a MACRODEF.
7623 (macroexpand): Replace bcopy with memcpy throughout. Replace
7624 character-at-a-time copy loop with memcpy and pointer increments.
7625 (compare-defs): d1->argnames / d2->argnames might be null.
7627 * cpplib.c (copy_rest_of_line): Delete function.
7628 (skip_rest_of_line): Do all the work ourselves.
7629 (skip_string): New function.
7630 (parse_string): Use skip_string.
7631 (get_macro_name): New function.
7632 (check_macro_name): Delete.
7633 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
7634 (cpp_skip_hspace): Use CPP_BUMP_LINE.
7635 (handle_directive): ICE if we're called on a macro buffer.
7636 (do_define): Determine macro name and type (funlike/objlike)
7637 here. Expunge all uses of MACRODEF.
7638 (cpp_push_buffer): Set line_base to NULL.
7639 (do_undef, read_line_number): Don't worry about getting a POP token.
7640 (eval_if_expression): Set/reset parsing_if_directive around
7641 cpp_parse_expr. Don't clear only_seen_white.
7642 (skip_if_group): Remove output_conditionals logic. Use
7644 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
7645 tokens under appropriate conditions.
7646 (cpp_unassert): Call do_unassert not do_assert. Oops.
7648 * cppexp.c (parse_defined): New function, break out of
7650 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
7651 ourselves, with cpp_defined.
7652 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
7654 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
7655 * gcc.dg/strpaste-2.c: New.
7657 2000-02-29 Mark Mitchell <mark@codesourcery.com>
7659 * fold-const.c (size_binop): Don't asert inputs are the same and
7660 have TYPE_IS_SIZETYPE set.
7661 (size_diffop): Likewise.
7663 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
7665 * dwarfout.c (output_block): Output abstract blocks even if they
7666 don't have TREE_ASM_WRITTEN set.
7668 * calls.c (emit_library_call): Check for null REG.
7670 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
7672 * c-decl.c (current_function_decl): Move to toplev.c.
7673 (init_decl_processing): Don't add current_function_decl as a ggc
7675 * dbxout.c (dbxout_symbol): Change return type to int.
7676 (dbxout_symbol_location, dbxout_syms): Likewise.
7677 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
7678 any locals. Use current_function_func_begin_label if set.
7679 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
7680 * dwarf2out.c (dwarf2out_begin_prologue): Set
7681 current_function_func_begin_label.
7682 * final.c (final_start_function): Reset it.
7683 * toplev.c (current_function_decl): Define it here.
7684 (current_function_func_begin_label): New variable.
7685 (main): Add both as ggc roots.
7686 * tree.h (current_function_func_begin_label): Declare.
7688 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7690 * gcse.c: Cleanups throughout: mostly white-space, but also
7691 some minor rearrangement of code.
7693 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
7695 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
7696 returns a PARALLEL. Use emit_group_load and use_group_regs
7698 (emit_library_call_value): Similarly.
7700 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
7701 * pa/quadlib.asm: Remove.
7702 * pa/quadlib.c: New file.
7704 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
7705 * configure: Rebuilt.
7707 2000-02-29 Philip Blundell <pb@futuretv.com>
7709 * config/arm/conix-elf.h: New file.
7710 * configure.in (arm*-*-conix*): New configuration.
7711 * configure: Regenerate.
7713 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
7715 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
7716 don't have TREE_ASM_WRITTEN set.
7718 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7720 * Eliminate DECL_FIELD_SIZE.
7721 * builtins.c (built_in_class_names, built_in_names): New variables.
7722 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
7723 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
7724 DECL_SIZE, not DECL_FIELD_SIZE.
7725 * print-tree.c (print_node): Remove code that prints extra blank
7726 lines in some cases.
7727 Properly handle inline and builtin function cases.
7728 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
7729 * tree.h (built_in_class_named, built_in_names): New declarations.
7730 (union tree_decl): Rename internal unions to u1 and u2 and change
7731 some of their components.
7732 Add new field built_in_class.
7733 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
7734 Reflect above changes.
7735 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
7736 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
7737 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
7738 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
7740 2000-02-28 Dmitri Makarov <dim@windriver.com>
7742 * extend.texi: Document ARM's support for long/short calls.
7744 * invoke.texi: Document ARM's -mlong-calls command line switch.
7746 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
7747 (arm_encode_call_attribute): Add prototype.
7748 (arm_set_default_type_attribute): Add prototype.
7749 (arm_strip_name_encoding): Add prototype.
7751 * config/arm/arm.c (arm_init_cumulative_args): replace
7752 initialisation og 'long_calls' field with initialisation of
7753 'call_cookie' field.
7754 (enum arm_pragma_enum): New enum.
7755 (arm_pragma_long_calls): New static variable.
7756 (arm_process_pragma): Also process "#pragma long_calls_off".
7757 (arm_valid_type_attribute_p): Accept short_call attribute.
7758 (arm_comp_type_attributes): Check long/short call attributes.
7759 (arm_encode_call_attribute): New function: Encode long_call
7760 or short_call attribute in function name.
7761 (arm_set_default_type_attributes): New function: Assign
7762 default attributes to newly defined type.
7763 (current_file_function_operand): New function: Return true if
7764 the symbol is a function which has already been compiled.
7765 (arm_is_longcall_p): New function: Return true if the
7766 indicated function should be called via a long call.
7767 (arm_get_strip_length): New function. Returns number of
7768 prefix characters to be stripped from a function's name.
7769 (arm_strip_name_encoding): New function. Strip prefix characters
7770 from a function's name.
7772 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
7774 (SHORT_CALL_FAG_CHAR): Define.
7775 (LONG_CALL_FAG_CHAR): Define.
7776 (ENCODED_SHORT_CALL_ATTR_P): Define.
7777 (ENCODED_LONG_CALL_ATTR_P): Define.
7778 (ARM_NAME_ENCODING_LENGTHS): Define.
7779 (STRIP_NAME_ENCODING): Define.
7780 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
7781 (ARM_ENCODE_CALL_TYPE): Define.
7782 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
7783 (ARM_DECLARE_FUNCTION_SIZE): Define.
7784 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
7786 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
7787 if a long call is needed.
7788 (call_value): Ditto.
7789 (call_symbol): Ditto.
7791 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
7792 ARM_DECLARE_FUNCTION_SIZE.
7794 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
7795 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
7796 (ARM_STRIP_NAME_ENCODING): Undefine.
7797 (STRIP_NAME_ENCODING): Undefine.
7798 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
7799 (ASM_DECLARE_FUNCTION_NAME): Ditto.
7800 (ASM_OUTPUT_COMMON): Ditto.
7801 (ASM_DECLARE_OBJECT_NAME): Ditto.
7803 * config/arm/pe.c (arm_dllexport_name_p): Check for
7805 (arm_dllimport_name_p): Ditto.
7806 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
7807 (arm_mark_dllimport): Ditto.
7809 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7811 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
7813 2000-02-28 Mark Mitchell <mark@codesourcery.com>
7815 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
7817 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
7819 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
7820 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
7821 NO_BUILTIN_WCHAR_TYPE is not defined.
7822 (CPP_WCHAR_TYPE): Delete.
7823 * cccp.c (main): Don't change wchar_type if cplusplus.
7824 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
7826 2000-02-28 Nick Clifton <nickc@cygnus.com>
7828 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
7830 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
7832 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
7833 (ASM_WEAKEN_LABEL): Define.
7835 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
7837 * expr.c (store_constructor): Do not emit USE.
7838 * rtl.h (stupid_life_analysis): Remove.
7840 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7842 * function.c (number_blocks): Reset next_block_index based on
7843 what debugging format is used, not what is defined.
7845 * lcm.c: Minor reformatting throughout.
7846 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
7848 * toplev.c (rest_of_compilation): Account for time in
7849 optimize_mode_switching.
7851 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
7852 if only marking labels.
7854 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
7856 * calls.c (expand_call): Attempt to combine stack adjustments with
7857 pending stack adjustments.
7859 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7861 * loop.c (reg_in_basic_block_p): Don't abort when falling through
7862 to the end of the function.
7864 2000-02-27 Mark Mitchell <mark@codesourcery.com>
7866 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
7868 * final.c (next_block_index): Remove.
7869 (max_block_depth): Likewise.
7870 (pending_blocks): Likewise.
7871 (init_final): Don't initialize them.
7872 (final_start_function): Don't set next_block_index. Set up
7874 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
7875 * function.h (number_blocks): New function.
7876 * function.c (get_block_vector): New function.
7877 (identify_blocks): Use it.
7878 (reorder_blocks): Set NOTE_BLOCK.
7879 (number_blocks): New function.
7880 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
7881 * tree.h (BLOCK_NUMBER): New macro.
7882 (tree_block): Add block_num field.
7883 * dbxout.c (next_block_number): Remove.
7884 (dbxout_init): Don't set it.
7885 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
7886 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
7888 * toplev.c (rest_of_compilation): Always call
7889 find_loop_tree_blocks. Fix indentation.
7890 * dwarf2out.c (next_block_number): Remove.
7891 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7892 to determine block numbers.
7893 (gen_inlined_subroutine_die): Likewise.
7894 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
7895 (decls_for_scope): Don't increment next_block_number.
7896 * dwarfout.c (next_block_number): Remove.
7897 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
7898 to determine block numbers.
7899 (output_inlined_subroutine_die): Likewise.
7900 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
7901 (output_decls_for_scope): Don't increment next_block_number.
7902 * sdbout.c (next_block_number): Remove.
7903 (sdbout_block): Use BLOCK_NUMBER.
7904 (sdbout_begin_block): Simplify.
7905 * xcoffout.c (next_block_number): Remove.
7906 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
7907 (xcoffout_begin_block): Don't set next_block_number.
7908 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
7911 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7913 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
7914 (expand_builtin_strcpy): Pass correct type to size_binop.
7915 (expand_builtin_strcmp): Likewise.
7916 Clean up conditional structure.
7917 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
7918 (complete_array_type): Don't use size_binop for MAXINDEX.
7919 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
7920 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
7921 (c_alignof): Use size_one_node.
7922 (build_unary_op): Pass arg of proper type to size_binop.
7923 (really_start_incremental_init, push_init_level): Use sizetype for
7924 constructor{,_bit,_unfilled}_index.
7925 (pop_init_label, output_init_element): Likewise.
7926 (output_pending_init_elements, process_init_element): Likewise.
7927 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
7928 * expr.c (store_expr): Use size_int.
7929 (store_constructor): Use proper types for size_binop args.
7930 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
7931 (expand_expr_unaligned): Likewise.
7932 (string_contant): Return object of sizetype.
7933 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
7934 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
7935 (ARGS_SIZE_TREE): Pass proper types to size_binop.
7936 * fold-const.c (int_const_binop): Refine when size_int is called.
7937 (fold_convert): Likewise.
7938 (size_int_wide): Rework to take KIND as arg, only take low order
7939 bits, handle new sizetype_tab datatype, and chain entries in
7941 (size_int_type_wide): New function.
7942 (size_binop): Validate types of arguments.
7943 (ssize_binop): Deleted.
7944 (size_diffop): New function.
7945 (extract_muldiv): Only fold division into multiplication for sizetypes.
7946 * function.c (assign_parms): Use size_diffop and make sure
7947 VAR field is of ssizetype; also pass proper type to size_binop.
7948 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
7949 (round_down): Deleted from here.
7950 * store-layout.c (sizetype_tab): Now an array.
7951 (sizetype_set, early_root_list): New variables.
7952 (variable_size): Use size_one_node.
7953 (round_up): Pass proper type to size_binop.
7954 (round_down): Moved to here and corrected as above.
7955 (layout_record): Pass proper arg types to size_binop.
7956 (layout_type): Likewise.
7957 If sizetype_set is zero, record the type just laid out.
7958 (make_unsigned_type): Don't call set_sizetype;
7959 (make_signed_type): Likewise; also, call fixup_signed_type.
7960 (initialize_sizetypes): New function.
7961 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
7962 set name of bitsizetype to "bit_size_type".
7963 Fix up type of sizes of all types made before call.
7964 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
7965 * tree.c (fix_sizetype): Deleted.
7966 (build_common_tree_nodes): Call initialize_sizetypes.
7967 (build_common_tree_nodes_2): Don't call fix_sizetype.
7968 * tree.h (TYPE_IS_SIZETYPE): New macro.
7969 (initialize_sizetype): New declaration.
7970 (enum size_type_kind): New type.
7971 (struct sizetype_tab): Deleted.
7972 (sizetype_tab): Now array; adjust sizetype macros.
7973 (size_diffop, size_int_type_wide): New functions.
7974 (size_int_wide): Change number of args and type; access macros changed.
7975 (ssize_int, sbitsize_int): New macros.
7976 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
7977 (ROUND_TYPE_SIZE_UNIT): New macro.
7979 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
7981 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
7983 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7985 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
7986 Mark as possibly unused.
7988 * cse.c (cse_insn): Delete dead code involving tablejump.
7989 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
7991 * Makefile.in (libcpp.a): Start by deleting it.
7993 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7995 * cpplib.h (enum file_change_code): Added rename_file.
7996 * cpplib.c (do_line): If a filename is given, set file_change to
7998 (output_line_command): If file_change is rename_file, always
7999 output a # directive with the file name.
8001 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
8003 2000-02-26 Mark Mitchell <mark@codesourcery.com>
8005 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
8006 when copying a PARM_DECL or RESULT_DECL.
8008 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8010 * fix-header.c (recognized_function): Also fix prototypes for
8011 functions taking "void".
8013 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8015 * reload1.c (do_output_reload): Check reg_reloaded_valid before
8016 looking at reg_reloaded_contents.
8018 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
8020 * Makefile.in (STMP_FIXINC): New toggle.
8021 (LIBGCC2_DEPS): Delete all references.
8022 (stmp-headers): Delete target. All references either deleted
8023 or changed to stmp-int-headers.
8024 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
8025 (LIBCPP_OBJS): Take out cppalloc.o.
8026 (cppalloc.o): Delete target.
8027 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
8028 (gen-protos, fix-header): Link with libiberty.a.
8029 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
8032 * configure.in: Remove refs to strerror.
8033 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
8034 * system.h: Take out strerror stanza.
8036 * cpperror.c (my_strerror): Delete function.
8037 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
8038 * cppmain.c (main): Call xmalloc_set_program_name first thing.
8039 * cppalloc.c: Delete file.
8040 * gen-protos.c: Don't provide xrealloc.
8042 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
8043 xstrerror throughout.
8045 2000-02-26 Bruce Korb <bkorb@gnu.org>
8047 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
8048 match for DOS headers, too.
8049 * fixinc/inclhack.sh,fixincl.x: Regenerate.
8051 2000-02-26 Geoff Keating <geoffk@cygnus.com>
8053 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
8054 is right for most ELF targets.
8055 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
8056 Let the default file use %U properly.
8057 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
8060 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
8063 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8065 * toplev.c (documented_lang_options): Correct spelling error.
8066 (decode_d_option, decode_f_option, main): Likewise.
8068 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
8070 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
8071 to tell assembler it is permitted to expand large constants.
8073 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
8075 * protoize.c: (AUX_INFO_SUFFIX): New macro.
8076 (aux_info_suffix): Use.
8077 (SAVE_SUFFIX): New macro.
8079 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
8080 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
8081 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
8083 * invoke.texi (Running Protoize): Update documentation.
8085 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
8087 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
8089 2000-02-25 John Wehle (john@feith.com)
8091 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
8093 2000-02-25 Anthony Green <green@cygnus.com>
8095 * toplev.c (rest_of_compilation): Rebuild jump labels if
8096 combine_instructions has created a new direct jump.
8097 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
8099 (combine_instructions): Call try_combine with new argument.
8100 Return non-null value when new direct jump instruction is created.
8101 * rtl.h: combine_instructions returns an int.
8103 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
8105 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
8106 jump when changing a computed jump into a jump to a known
8109 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
8111 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
8112 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
8114 * i386.md (define_expand "clrstrsi"): Fix typo.
8116 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
8118 * rtl.texi: Fix typo.
8120 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8122 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
8123 UNITS_PER_WORD. Change caller initial_elimination_offset.
8124 (rounded_frame_size): Take into account that argument pushed has
8125 changed. Fix TARGET_ALIGN_DOUBLE problem.
8127 2000-02-25 Geoff Keating <geoffk@cygnus.com>
8129 * haifa-sched.c (schedule_block): Explain the real reason
8130 we delete REG_SAVE_NOTEs on the first insn of a block.
8131 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
8133 2000-02-24 Mark Mitchell <mark@codesourcery.com>
8135 * input.h (push_srcloc): New function.
8136 (pop_srcloc): Likewise.
8137 * toplev.c (push_srcloc): Define it.
8138 (pop_srcloc): Likewise.
8140 2000-02-24 Richard Henderson <rth@cygnus.com>
8142 * flow.c (life_analysis): When collecting reg info, clear
8145 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8147 Fix bug exposed by reload.c no longer rounding the frame
8148 size to BIGGEST_ALIGNMENT:
8149 * sh.c (rounded_frame_size): New function.
8150 (sh_expand_prologue, sh_expand_epilogue): Use it.
8151 (initial_elimination_offset): Likewise.
8153 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8155 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
8156 * sh-protos.h (sh_need_epilogue): Declare.
8157 * sh.c (sh_need_epilogue_known): New static variable.
8158 (sh_need_epilogue): New function.
8159 (function_epilogue): Clear need_epilogue_known.
8160 * sh.md (return): Split into expander / insn pattern.
8161 Make the expander conditional on ! sh_need_epilogue ().
8163 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
8165 * machmode.h (get_mode_alignment): Declare.
8166 (GET_MODE_ALIGNMENT): Call it.
8167 * stor-layout.c (get_mode_alignment): New function. Make
8168 sure alignment is always power of 2.
8170 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8172 * i386.h: Remove useless definition of "I386" and misleading
8175 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8177 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
8178 under which TREE_PERMANENT will be set.
8179 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
8180 build1): Use TREE_SET_PERMANENT.
8181 * print-tree.c (print_node): Don't report value of
8182 TREE_PERMANENT if ggc_p is true.
8184 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
8185 decide whether to give a type a new alias set.
8186 * objc/objc-act.c (build_objc_string_object): Never copy the string.
8187 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
8188 of value of 'obstack'.
8191 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8193 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
8195 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8197 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
8198 * cpplib.c (cpp_get_token): Produce them.
8199 * cppexp.c (cpp_lex): Handle them.
8201 2000-02-23 Nick Clifton <nickc@cygnus.com>
8203 * config/arm/arm.c (arm_comp_type_attributes): Simply and
8204 comment tests on type attributes.
8206 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8208 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
8209 conform to documentation.
8210 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
8211 to check for special cases.
8212 * sh-protos.h (sh_loop_align): Declare.
8213 * sh.c (sh_loop_align): Define.
8215 2000-02-22 Andrew Haley <aph@cygnus.com>
8217 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
8218 (SIZE_TYPE): Is 32 bits when using -mgp32.
8219 (PTRDIFF_TYPE): Ditto.
8221 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8223 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
8225 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
8227 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
8228 BIGGEST_FIELD_ALIGNMENT a constant.
8230 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
8232 * dwarf2out.c (output_line_info): Put the marker for the end of
8233 the line number info at the actual end.
8234 (gen_struct_or_union_type_die): Use decl_function_context
8235 to check for local classes.
8236 * dwarfout.c (output_type): Likewise.
8238 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
8240 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
8241 for arguments with a mode, but no type.
8242 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
8243 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
8244 * pa/long_double.h: New file.
8245 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
8246 both have 128bit wide long doubles.
8247 * configure: Rebuilt.
8249 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8251 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
8253 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
8254 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
8255 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
8257 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
8259 * integrate.c (compare_blocks, find_block): Likewise.
8261 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
8263 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
8265 * stmt.c (stmt_status, set_file_and_line_for_stmt,
8266 expand_asm_operands): Likewise.
8268 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
8270 * predict.c (estimate_probability): Added the pointer heuristic to
8271 the collection of static branch predictors.
8273 2000-02-21 Catherine Moore <clm@cygnus.com>
8275 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
8276 * invoke.texi (-mfix7000): Document.
8278 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
8280 * diagnostic.c (init_output_buffer): Make it possible to output at
8281 least 32 characters if we're given a too long prefix.
8283 2000-02-20 Mark Mitchell <mark@codesourcery.com>
8285 * varasm.c (initializer_constant_valid_p): Call
8286 lang_expand_constant to simplify the constant.
8288 2000-02-20 Bruce Korb <bkorb@gnu.org>
8290 * fixinc/inclhack.def(stdio_va_list):
8291 typedef needs to be disabled.
8292 * fixinc/inclhack.sh: regen
8293 * fixinc/fixincl.x: regen
8295 2000-02-20 Geoff Keating <geoffk@cygnus.com>
8297 * print-rtl.c (print_rtx): Don't print addresses when
8298 flag_dump_unnumbered.
8300 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8302 * sparc.c (sparc_output_scratch_registers): Mark parameter with
8304 (sparc_va_arg, sparc_flat_output_function_prologue,
8305 sparc_flat_output_function_epilogue): Cast value to unsigned in
8307 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
8309 * sparc.md: Add default case in switch.
8311 2000-02-19 Richard Henderson <rth@cygnus.com>
8313 * c-typeck.c (add_pending_init): Don't abort for multiple
8314 fields at the same offset.
8315 (pending_init_member): Test the correct member.
8317 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8319 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
8321 (start_catch_handler) : Same.
8323 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
8325 * Makefile.in: Have flow.o depend on $(EXPR_H)
8327 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8329 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
8330 * c-decl.c (duplicate_decls, finish_enum): Likewise.
8331 (finish_decl): Remove -Wlarger-than code from here.
8332 * flags.h (id_clash_len): Now int.
8333 (larger_than_size): Now HOST_WIDE_INT.
8334 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
8335 Clean up checking to see if in table.
8336 (make_bit_field_ref): Remove extra parm to bitsize_int.
8337 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
8338 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
8339 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
8340 and for computing size of decl.
8341 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
8342 Move -Wlarger-than code to here.
8343 (layout_record): Remove extra arg to bitsize_int.
8344 Set TYPE_BINFO_SIZE_UNIT.
8345 (layout_union): Remove extra arg to bitsize_int.
8346 Use proper type for size of QUAL_UNION.
8347 (layout_type): Remove extra arg to bitsize_int.
8348 * toplev.c (id_clash_len): Now int.
8349 (larger_than_size): Now HOST_WIDE_INT.
8350 (decode_W_option): Clean up id-clash and larger-than- cases.
8351 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
8352 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
8353 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
8354 (struct tree_decl): New field size_unit.
8355 (size_int_wide): No HIGH operand; NUMBER is now signed.
8356 (size_int_2): Deleted.
8357 (size_int, bitsize_int): Don't use it and rework args.
8358 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
8360 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
8362 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
8364 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8366 * invoke.texi (Warning Options): Add an explanation of why
8367 you might want the -Wfloat-equal flag.
8369 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8371 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
8372 * cppinit.c (new_pending_define): Add cast to avoid warning.
8373 * expmed.c (extract_bit_field): Likewise.
8374 * flow.c (enum reorder_skip_type): New type.
8375 (skip_insns_between_blcok): New it.
8376 Rework to avoid warning about possibly undefined variable.
8377 * function.c (assign_parms): Make thisparm_boundary unsigned.
8378 * genrecog.c (write_switch): Cast XWINT result to int.
8379 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
8380 * mips-tfile.c (init_file): Make two versions of FDR intializer:
8381 one for MIPS and one for Alpha.
8382 (get_tag, copy_object): Add casts to avoid warnings.
8383 * optabs.c (init_one_libfunc): Cast NAME to (char *).
8384 * reload.c (find_reloads): Make TYPE enum reload_type.
8385 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
8386 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
8387 * varasm.c (compare_constant_1): Add cast to avoid warning.
8388 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
8390 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
8391 Cast switch operand of size to int.
8392 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
8393 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
8396 2000-02-18 Nick Clifton <nickc@cygnus.com>
8398 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
8399 anything for an alignment of zero.
8401 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
8402 anything for an alignment of zero.
8404 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
8406 * gcc.texi (Bug Reporting): Refer to bugs.html.
8407 (Bug Lists): Likewise.
8408 * system.h (GCCBUGURL): New preprocessor define.
8409 * rtl.c (fancy_abort): Use it.
8410 * gcc.c (main): Likewise.
8412 2000-02-18 Richard Henderson <rth@cygnus.com>
8414 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
8415 (life_analysis_1): Subsume into ...
8416 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
8417 Use update_life_info for the relaxation.
8418 (update_life_info): Update REG_BASIC_BLOCK for registers live on
8419 entry and regs_live_at_setjmp.
8420 (set_noop_p): Simplify.
8421 (notice_stack_pointer_modification_1): Renamed from s/_1//.
8422 (record_volatile_insns): Split into ...
8423 (delete_noop_moves): ... here,
8424 (notice_stack_pointer_modification): ... here,
8425 (insn_dead_p): ... and here.
8426 (propagate_block): Don't query INSN_VOLATILE.
8427 (mark_used_regs): Mind !PROP_REG_INFO.
8428 * toplev.c (rest_of_compilation): Call mark_constant_function here,
8429 not in life_analysis.
8431 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
8433 * loop.c (canonicalize_condition): New function,
8434 broken out of get_condition.
8435 (get_condition): Use it.
8436 * expr.h (canonicalize_condition): Prototype it.
8438 * tree.h (tree_int_cst_msb): Declare.
8439 * tree.c (tree_int_cst_msb): New function.
8441 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8443 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
8446 * invoke.texi (-fmessage-length=n): Document.
8448 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
8450 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
8452 2000-02-17 Mark Mitchell <mark@codesourcery.com>
8454 * function.c (thread_prologue_and_epilogue_insns): Put a line note
8457 2000-02-17 Nick Clifton <nickc@cygnus.com>
8459 * config/arm/thumb.c: Replace includes of system headers with
8460 #include "system.h".
8462 2000-02-16 Richard Henderson <rth@cygnus.com>
8464 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
8465 Add crtbeginS.o and crtendS.o.
8466 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
8467 (ENDFILE_SPEC): Use crtendS.o.
8468 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
8470 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
8471 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
8473 (__dso_handle): New variable.
8474 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
8475 bias to __CTOR_END__.
8477 2000-02-16 Richard Henderson <rth@cygnus.com>
8479 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
8481 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
8483 * longlong.h (__clz_tab): Declare as static to match definition.
8485 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
8486 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
8487 (XREF_FILE_NAME): Define.
8489 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
8490 (EH_FRAME_SECTION_ASM_OP): Define.
8491 (IDENT_ASM_OP): Define.
8492 (TEXT_SECTION_ASM_OP): Define.
8494 (CTORS_SECTION_ASM_OP): Define.
8495 (CTOR_SECTION_FUNCTION): Use it.
8496 (DTORS_SECTION_ASM_OP): Define.
8497 (DTOR_SECTION_FUNCTION): Use it.
8499 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
8501 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
8504 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
8505 debug_bb_n): New functions.
8506 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
8507 * basic-block.h: Prototype new functions.
8509 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
8511 * configure.in: Add support for avr target.
8512 * configure: Rebuilt.
8514 * invoke.texi: Add AVR invocation docs.
8515 * install.texi: Add information about AVR.
8516 * md.texi: Add AVR constraint letters description.
8517 * extend.texi: Add description for AVR specific attributes.
8519 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
8521 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
8523 2000-02-16 Nick Clifton <nickc@cygnus.com>
8525 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
8526 (make_insn_raw): Move RTL check here.
8528 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8530 * version.c: Include gansidecl.h and version.h.
8532 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
8534 * configure.in (gcc_version): When setting, narrow search to
8535 lines containing `version_string'.
8537 * Makefile.in (mainversion): Likewise.
8538 (GCC_H): New variable.
8539 (gcc.h): Delete target.
8540 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
8541 (version.o): Depend on version.h.
8542 (dbxout.o): Don't depend on gcc.h.
8544 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
8545 Michael Meissner <meissner@cygnus.com>
8547 * md.texi (Simple Constraints): Add item about whitespace.
8548 * genoutput.c (strip_whitespace): New.
8549 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
8550 strip_whitespace for constraints.
8551 Test pointer using NULL, not 0.
8553 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8555 * cpplib.c (do_line): Pedwarn for #line > 32767.
8557 * c-lex.c (readescape): Warn about '\x', but do not reject it.
8559 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
8561 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
8562 to default cpp spec.
8563 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
8564 * cpp.texi: Document __GNUC_PATCHLEVEL__.
8567 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
8570 2000-02-15 Denis Chertykov <denisc@overta.ru>
8572 * configure.in: Add support for avr target.
8574 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8576 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
8577 (sh_addr_diff_vec_mode): Don't declare.
8578 * sh.c (sh_addr_diff_vec_mode): Delete.
8580 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8582 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
8584 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8586 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
8587 (smulsi3_highpart_i): Name.
8588 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
8589 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
8590 (smulsi3_highpart, umulsi3_highpart): Likewise.
8592 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
8593 correctly independent of endianness.
8594 (mulsidi3, umulsidi3): Now define_insn. Hide details that
8595 confuse the optimizers.
8596 (mulsidi3+1, umulsidi3+1): New define_split.
8598 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
8600 * config/sh/sh.md: Guard insn splits against illegal registers.
8601 * config/sh/sh.h: Correct comment about macros.
8603 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8604 Andrew MacLeod <amacleod@cygnus.com>
8606 * Makefile.in (lcm.o): Depend on insn-attr.h.
8607 * basic-block.h (optimize_mode_switching): Declare.
8608 * lcm.c (tm_p.h, insn-attr.h): #include.
8609 (seginfo, bb_info): New structs.
8610 (antic, transp, comp, delete, insert) : New file-scope static variables.
8611 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
8612 (reg_becomes_live, optimize_mode_switching): Likewise.
8613 * tm.texi: Add description of mode switching macros.
8614 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
8616 * sh-protos.h (remove_dead_before_cse): Remove prototype.
8617 (fldi_ok, fpscr_set_from_mem): New prototypes.
8618 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
8619 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
8620 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8621 (sh_flag_remove_dead_before_cse): Remove declaration.
8622 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
8623 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
8624 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
8625 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
8626 (barrier_align): Allow for JUMP_INSNS containing a parallel.
8627 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
8628 (fldi_ok): New function.
8629 (get_fpscr_rtx): Add fpscr_rtx as GC root.
8630 (emit_sf_insn): Only generate fpu switches when optimize < 1.
8631 (emit_df_insn): Likewise.
8632 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
8633 (sh_flag_remove_dead_before_cse): Delete.
8634 (get_free_reg, fpscr_set_from_mem): New functions.
8635 * sh.md (movdf, movsf): Remove no_new_pseudos code.
8636 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
8638 2000-02-15 Loren Rittle <ljrittle@acm.org>
8640 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
8642 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8644 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
8645 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
8647 * cccp.c: Include version.h and/or don't declare `version_string'.
8648 * collect2.c: Likewise.
8649 * alpha.c: Likewise.
8650 * arm/aof.h: Likewise.
8651 * arm/coff.h: Likewise.
8652 * arm/elf.h: Likewise.
8653 * arm/pe.h: Likewise.
8654 * arm/tcoff.h: Likewise.
8655 * arm/telf.h: Likewise.
8656 * arm/tpe.h: Likewise.
8657 * arm/vxarm.h: Likewise.
8658 * convex/convex.c: Likewise.
8659 * i386/dgux.c: Likewise.
8660 * i386/sun386.h: Likewise.
8661 * m88k/m88k.c: Likewise.
8662 * mcore/mcore-pe.h: Likewise.
8663 * mips/mips.h: Likewise.
8664 * romp/romp.h: Likewise.
8665 * sh/sh.c: Likewise.
8666 * cpphash.c: Likewise.
8667 * cppinit.c: Likewise.
8668 * dwarf2out.c: Likewise.
8669 * dwarfout.c: Likewise.
8672 * mips-tfile.c: Likewise.
8673 * protoize.c: Likewise.
8674 * toplev.c: Likewise.
8677 * version.c (version_string): Constify a char*.
8679 * version.h: New file.
8681 2000-02-14 Nick Clifton <nickc@cygnus.com>
8683 * configure.in: Add mcore-elf and mcore-pe targets.
8684 * configure: Regenerate.
8686 * NEWS: Add note that MCore port has been contributed.
8688 * invoke.texi: Document command line switches for MCore port.
8689 * install.texi: Add MCore to list of supported targets.
8691 2000-02-14 Geoff Keating <geoffk@cygnus.com>
8693 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
8694 then we will need to import the frame handling functions.
8695 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
8696 to import the frames themselves.
8698 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
8699 Jason Eckhardt <jle@cygnus.com>
8701 * basic_block.h: Added prototype for reorder_basic_blocks.
8702 * toplev.c: Changes to add -freorder-blocks and graph dump after
8703 block reordering is done.
8704 * flow.c (reorder_block_def): New structure for use during block
8706 (REORDER_BLOCK_*): New macros to access members of above structure.
8707 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
8708 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
8709 functions for block reordering.
8711 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
8713 * gcc.texi (Passes): Fix typo.
8714 * md.texi (Standard Names): Ditto.
8715 * tm.texi (Storage Layout): Ditto.
8717 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8719 * cpplib.c (do_define): Only free the old definition if it
8722 2000-02-13 Neil Booth <NeilB@earthling.net>
8724 * cppfiles.c (read_and_prescan): When emitting deferred
8725 newlines, test speccase[] again instead of checking each
8726 possible whitespace character in turn. When we encounter \r,
8727 look behind for \n first, then ahead.
8729 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
8731 * cse.c (cse_altered): New internal flag.
8732 (cse_insn): Set it if we changed an insn.
8733 (cse_main): Clear cse_altered before each basic block.
8734 Only garbage collect if cse_altered is true afterward.
8736 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8738 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
8740 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
8742 * combine.c (simplify_comparison): Fix typo.
8744 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
8746 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
8749 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8751 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
8752 previously inserted node instead of root node. Caller changed.
8754 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8756 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
8758 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8760 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
8761 __dereg_frame_dtor): Add prototype argument.
8763 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
8765 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
8767 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
8769 * gthr-vxworks.h (__gthread_once): Likewise.
8771 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
8773 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
8775 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
8776 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
8777 stack pointer in functions w/o saved registers, output LEAVE more often
8778 on TARGET_USE_LEAVE machines.
8780 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
8782 * config/arm/arm.c (arm_init_cumulative_args); New function:
8783 Initlaise the CUMULATIE_ARGS strcuture for a function
8785 (arm_function_arg): New function: Determine where to place a
8786 function's argument. Also handles deciding the function's
8788 (current_file_function_operand): New function: Return true if
8789 the symbol is a function which has already been compiled.
8790 (arm_is_long_call_p): New function: Return true if the
8791 indicated function should be called via a long call.
8792 (arm_valid_type_attribute_p): New function: Return true if the
8793 attribute is a valid, arm specific, attribute.
8794 (arm_comp_type_attribute): New function: Return true if the
8795 two types have compatable, arm specific, attributes.
8797 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
8799 (FUNCTION_ARG): Redefine to call arm_function_arg.
8800 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
8802 (INIT_CUMULATIVE_ARGS): Redefine to call
8803 arm_init_cumulative_args.
8804 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
8806 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
8808 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
8810 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
8811 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
8812 (COMP_TYPE_ATTRIBUTES): Define.
8814 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
8815 if a long call is needed.
8816 (call_value): Call arm_is_long_call_p to decide if a long call
8818 (call_symbol): Call arm_is_long_call_p to decide if a long call
8821 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
8823 2000-02-11 Denis Chertykov <denisc@overta.ru>
8825 * README.AVR: New file with information about the avr ports.
8826 * config/avr: New directory with avr port files.
8828 2000-02-11 Andreas Jaeger <aj@suse.de>
8830 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
8832 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
8834 * cpphash.c: Fix formatting, update commentary.
8835 (dump_definition): Take three separate arguments instead of a
8836 MACRODEF structure argument.
8837 * cpphash.h: Update prototype of dump_definition.
8838 * cppinit.c (cpp_finish): Update call of dump_definition.
8840 * cpplib.c (do_define): Always create new hash entry with
8841 T_MACRO type. Remove redundant check for redefinition of
8842 poisoned identifier. Update call of dump_definition.
8843 (do_undef): Don't call check_macro_name. Rename sym_length to
8845 (do_error, do_warning): Don't use copy_rest_of_line or
8847 (do_warning): Don't use pedwarn for the actual warning,
8848 only the notice about its not being in the standard. (Fixes
8849 bug with #warning in system headers.)
8850 (do_ident): Stricter argument checking - accept only a single
8851 string after #ident. Also, macro-expand the line.
8852 (do_xifdef): Use cpp_defined. De-obfuscate.
8854 (do_pragma): Split out specific pragma handling to separate
8855 functions. Use get_directive_token. Update commentary. Do
8856 not pass on #pragma once or #pragma poison to the front end.
8857 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
8858 do_pragma_default): New.
8860 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
8862 * jump.c (jump_optimize_1): The first operand in a relational
8864 * optabs.c (emit_conditional_move): Handle relationals which
8865 have a known true/false result.
8867 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8869 * function.c (thread_prologue_and_epilogue_insns): Don't insert
8870 a RETURN insn into a block which already ends with a jump.
8872 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8874 * haifa-sched.c (BUF_LEN): Increase a lot.
8876 2000-02-11 Nick Clifton <nickc@cygnus.com>
8878 * configure.in: Add tm_p_file specification for thumb targets.
8879 * configure: Regenerate.
8881 * config/arm/thumb-protos.h: New file: Prototypes for exported
8882 functions defined in thumb.c.
8884 2000-02-11 Robert Lipe <robertl@sco.com>
8886 * Makefile.in (bootstrap-lean): Remove additional files.
8887 (bootstrap2-lean): Likewise.
8888 (VOL_FILES): List of files for above.
8890 2000-02-11 Nathan Sidwell <nathan@acm.org>
8892 * cpphash.c (special_symbol): Remove spurious argument to
8895 2000-02-11 Joel Sherrill (joel@OARcorp.com>
8897 * configure.in: (i*86-*-rtems*): Swapped elf and coff
8899 * configure: Rebuilt.
8901 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
8903 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
8905 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
8907 * pa.c, pa.h: Remove trigraph sequences within comments.
8909 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
8911 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
8913 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
8915 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
8917 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8919 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
8921 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8923 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
8924 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
8925 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
8926 (ASM_FILE_END): Use c4x_file_end.
8927 * config/c4x/c4x.c (c4x_global_label): New function.
8928 (c4x_external_ref, c4x_file_end): Likewise.
8930 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
8931 (c4x_external_ref, c4x_end_file): Likewise.
8933 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
8935 * cppexp.c: Don't include cpphash.h.
8936 (parse_charconst, cpp_lex): Use cpp_defined.
8937 (cpp_lex): Use get_directive_token throughout. Remove
8938 unnecessary cases from switch. Move assertion-handling code
8940 (cpp_parse_expr): If we see '+' or '-', check the context to
8941 determine if they are unary or binary operators. Streamline
8942 the jumps a bit. Do not call skip_rest_of_line.
8944 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
8945 static. Export get_directive_token. Update commentary.
8946 (cpp_defined): New function.
8947 (do_define): Remove reference to T_PCSTRING. Call
8948 free_definition to release memory for old definition, when
8950 (eval_if_expression): Set only_seen_white to 0 before calling
8951 cpp_parse_expr. Call skip_rest_of_line after it returns.
8952 (cpp_read_check_assertion): Don't preserve a pointer into the
8953 token buffer across a call to cpp_get_token.
8955 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
8956 * cppfiles.c (redundant_include_p): Use cpp_defined.
8957 * cpphash.c (free_definition): New function.
8958 (delete_macro): Use it. Update commentary.
8959 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
8961 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
8962 from enum node_type. Prototype cpp_defined and get_directive_token.
8963 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
8965 * fix-header.c (check_macro_names): Use cpp_defined.
8966 (read_scan_file): Set inhibit_warnings and inhibit_errors in
8967 the options structure.
8969 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8971 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
8973 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
8975 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
8976 rather than die->die_tag.
8978 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8980 * combine.c (make_extraction, force_to_mode): Avoid warning on
8981 mixed-signedness conditionals.
8982 (make_field_assignment, nonzero_bits): Likewise.
8983 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
8984 (store_split_bit_field, extract_split_bit_field): Likewise.
8985 (extract_fixed_bit_field, store_bit_field,
8986 * expr.c: Change alignment to be unsigned everywhere.
8987 (move_by_pieces, store_constructor_field, store_constructor):
8988 Alignment parm is unsigned.
8989 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8990 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
8991 (do_compare_rtx_and_jump): Likewise.
8992 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
8993 Compare align with GET_MODE_ALIGNMENT.
8994 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
8995 (get_inner_reference): Likewise.
8996 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
8997 (expand_assignment): Local vars for alignment now unsigned.
8998 (store_constructor, store_field, expand_expr, do_jump): Likewise.
8999 (do_compare_and_jump): Likewise.
9000 (store_field): Call new function expr_align.
9001 * expr.h (emit_block_move, emit_group_load, emit_group_store):
9002 Alignment arg now unsigned.
9003 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
9004 (do_compare_rtx_and_jump, store_bit_field): Likewise.
9005 (extract_bit_field): Likewise.
9006 * fold-const.c (add_double): Add cast to eliminate signedness warning.
9007 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
9008 (get_best_mode): Alignment arg is unsigned.
9009 * rtl.h (move_by_pieces): Likewise.
9010 * store-layout.c (maximum_field_alignment, set_alignment):
9012 (layout_decl): Alignment arg is now unsigned.
9013 Remove unneeded casts.
9014 (layout_record, layout_union, layout_type): Remove unneeded casts.
9015 Local alignment variables now unsigned.
9016 (get_best_mode): Alignment arg now unsigned.
9017 * tree.c (expr_align): New function.
9018 * tree.h (expr_align): Likewise.
9019 (maximum_field_alignment, set_alignment): Now unsigned.
9020 (get_inner_reference): Alignment argument is now pointer to unsigned.
9021 * varasm.c (assemble_variable): Add cast to eliminate warning.
9023 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
9025 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
9026 then store directly into op0.
9028 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
9029 the CALL_INSN, and emit the note immediately after it.
9031 2000-02-10 Nick Clifton <nickc@cygnus.com>
9033 * config/arm/thumb.md (epilogue): Include a (return) in the
9034 generated insn, and emit it using emit_jump_insn not
9037 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
9039 * function.c (assign_temp): Change zero-sized arrays to size 1.
9040 * integrate.c (expand_inline_function): Do not update
9041 stack_alignment_needed
9042 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
9043 add some sanity checking, remove optimization for function with
9046 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9048 * flow.c (mark_regs_live_at_end): Delete unused variables.
9050 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
9052 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
9053 in macro FRAME_GROWS_DOWNWARD.
9055 * stmt.c (expand_end_bindings): Delete unused variable.
9057 * unroll.c (iteration_info): Mark parameter `loop' with
9060 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9062 * fixinc/server.c (load_data): Return NULL if the marker line is
9064 (run_shell): If load_data returns NULL, retry the command once, in
9067 * configure: Rebuilt.
9069 2000-02-09 Bruce Korb <bkorb@gnu.org>
9071 * gcc/fixincludes: ** DELETED **
9072 * gcc/fixcpp: ** DELETED **
9073 * gcc/fixinc-nt.sed: ** DELETED **
9074 * gcc/just-fixinc: ** DELETED **
9075 * gcc/Makefile.in: Removed out-dated commentary
9076 * gcc/configure.in: Removed fast-fixincludes disablement.
9077 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
9079 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9080 * function.c (thread_prologue_and_epilogue_insns): Uncomment
9083 2000-02-09 Richard Henderson <rth@cygnus.com>
9085 * jump.c (delete_insn): Don't delete user labels at -O0.
9087 2000-02-09 Robert Lipe <robertl@sco.com>
9089 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
9090 Don't link with HOST_LIBS.
9092 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9094 * configure.in: Correct --help text for --with-dwarf2.
9095 Put tm-dwarf2.h after other tm files, if it's requested.
9096 * configure: Regenerate.
9097 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
9100 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9102 * cpplib.h: Provide HASHNODE typedef and forward decl of
9103 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
9104 DEFINITION, struct hashnode, struct macrodef, struct
9105 definition, scan_decls prototype, default defn of
9106 INCLUDE_LEN_FUDGE moved elsewhere.
9108 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
9109 definition, and struct hashnode moved here. Remove the unused
9110 'predefined' field from struct definition. Replace the 'args'
9111 union with its sole member. All users updated (cpphash.c).
9112 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
9113 multiple include guard.
9115 * cpphash.c (hashf): Make static; use better algorithm; drop
9116 HASHSIZE parameter; return an unsigned int.
9117 (cpp_lookup): Drop HASH parameter. PFILE parameter is
9118 used. Calculate HASHSIZE modulus here.
9119 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
9121 (create_definition): Drop PREDEFINITION parameter.
9122 * cpplib.c (do_define): Don't calculate a hash value here.
9123 Don't pass (keyword == NULL) to create_definition.
9125 * scan.h: Prototype scan_decls here.
9126 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
9127 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
9128 callers of cpp_lookup and cpp_install updated.
9130 * cpphash.c (macarg): Hoist all the flag diddling out of the
9132 (macroexpand): ... and out of the loop that calls macarg.
9133 Skip over the initial paren before macro arguments with
9134 cpp_get_non_space_token; point may be some distance before
9135 that paren. Abort if it's not there.
9137 * cpplib.c (parse_clear_mark): Delete function.
9138 (parse_set_mark, parse_goto_mark): Make static.
9139 (ACTIVE_MARK_P): New macro.
9140 (skip_block_comment, skip_line_comment): Do not bump the line
9141 if ACTIVE_MARK_P is true.
9142 (cpp_pop_buffer): The buffer to be popped may not have an
9144 (cpp_get_token): When looking for the initial paren before
9145 macro arguments, only set a mark in a file buffer, Always
9146 return to that mark before proceeding to call macroexpand or
9147 return a NAME token.
9149 * cpplib.h: Remove prototypes of parse_set_mark,
9150 parse_clear_mark, parse_goto_mark.
9151 (struct cpp_options): Rename 'put_out_comments' to
9152 'discard_comments' and invert its sense.
9153 * cppinit.c, cpphash.c, cpplib.c: All users of
9154 put_out_comments changed to use discard_comments, with
9157 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
9159 * function.c (thread_prologue_and_epilogue_insns): Don't delete
9160 the edge from a block that both jumps and falls through to the
9163 2000-02-09 Scott Bambrough <scottb@netwinder.org>
9165 * config/arm/arm.md (movsi): In PIC mode, make sure that a
9166 constant source address is legitimate.
9168 2000-02-09 Philip Blundell <pb@futuretv.com>
9170 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
9173 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
9175 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
9177 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
9179 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
9180 ends with a newline and a NUL. Don't be so clever manipulating
9183 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
9185 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
9186 not to BIGGEST_ALIGNMENT.
9188 2000-02-08 Geoff Keating <geoffk@cygnus.com>
9190 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
9191 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
9192 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
9193 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
9194 * frame.c (execute_cfa_insn): Handle
9195 DW_CFA_GNU_negative_offset_extended.
9197 2000-02-08 Richard Henderson <rth@cygnus.com>
9199 * flow.c (tidy_fallthru_edges): Split out from ...
9200 (delete_unreachable_blocks): ... here.
9201 (find_basic_blocks): Use it.
9203 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9205 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
9207 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
9209 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
9210 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
9211 (fix-header.o): Don't depend on cpphash.h.
9213 * scan.c (hashstr): New function.
9214 * scan.h: Prototype it.
9215 * fix-header.c: Don't include cpphash.h. Use hashstr.
9216 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
9217 hashstr. Report hash table statistics. Add private
9218 definition of xrealloc.
9220 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9222 * i386.h (TARGET_SWITCHES): Fix typo in option name.
9224 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
9226 * function.c (thread_prologue_and_epilogue_insns): Don't replace
9227 jumps with returns unless they are jumps to the fallthru block.
9229 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
9231 * i386.md (addqi3_cc): Fix contraints.
9233 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9235 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
9237 2000-02-07 Mark Mitchell <mark@codesourcery.com>
9239 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
9240 carriage return after a macro name.
9242 2000-02-07 Fred Fish <fnf@be.com>
9244 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
9245 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
9247 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
9249 * cppfiles.c (deps_output): Count spacers in deps_column.
9251 2000-02-07 Neil Booth <NeilB@earthling.net>
9253 * cppinit.c (initialize_dependency_output): If there is no
9254 suffix, don't try to look for known suffixes. Use strrchr.
9255 (cpp_start_read): Remove duplicate initialization.
9257 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
9259 * calls.c (compute_argument_block_size): New argument
9260 preferred_stack_boundary.
9261 (expand_call): update cfun->preferred_stack_boundary, update call of
9262 compute_argument_block_size
9263 (emit_library_call): Increate cfun->preferred_stack_boundary
9264 to PREFERRED_STACK_BOUNDARY
9265 (emit_library_call_value): Likewise.
9266 * explow.c (allocate_dynamic_stack_spave): Likewise.
9267 * function.c (prepare_function_start): Set
9268 cfun->preferred_stack_boundary
9269 * function.h (struct function): Add preferred_stack_boundary field.
9270 * integrate.c (expand_inline_function): Update
9271 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
9272 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
9273 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
9275 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
9277 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
9278 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
9279 cpp_pedwarn, cpp_pedwarn_with_line,
9280 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
9281 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
9282 v_cpp_error_with_line, v_cpp_warning_with_line,
9283 cpp_message_from_errno, cpp_perror_with_name): Delete.
9285 * cpperror.c (cpp_print_containing_files): Take starting
9287 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
9288 (v_cpp_message): Now called directly by all entry points.
9290 (cpp_pfatal_with_name, cpp_message): Delete.
9291 (cpp_notice_from_errno, cpp_ice): New functions.
9292 (cpp_notice): Is now for reporting error conditions, just
9293 without an associated file.
9294 (cpp_error, cpp_error_with_line): Don't do anything if
9295 opts->inhibit_errors is on.
9296 (cpp_pedwarn_with_file_and_line): Take column argument also.
9298 * cpplib.h: Update prototypes of exported functions.
9299 (struct cpp_options): Add inhibit_errors.
9301 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
9302 non-error messages. Include intl.h.
9304 * cppinit.c, cppmain.c: Likewise. Also, use
9305 cpp_notice_from_errno instead of cpp_perror_with_name or
9306 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
9308 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
9309 report internal errors.
9311 * cpplib.c (do_define): Switch bcopy to memcpy.
9312 Give cpp_pedwarn_with_file_and_line a dummy column argument.
9314 * cpplib.c (copy_rest_of_line): Revert previous change: don't
9315 bail out early if we hit a line comment.
9317 2000-02-06 Richard Henderson <rth@cygnus.com>
9319 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
9320 * basic-block.h: Declare them.
9321 * emit-rtl.h (active_insn_p): New.
9322 (next_active_insn, prev_active_insn): Use it.
9323 * rtl.h: Declare it.
9324 * function.c (emit_return_into_block): New.
9325 (thread_prologue_and_epilogue_insns): Insert return insns instead
9326 of epilogues when possible.
9327 * jump.c (jump_optimize_1): Remove code to insert a return insn
9328 on the fallthru to the exit block.
9330 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
9331 and for non-empty stack frames.
9332 * i386.md (return): Expand to return-pop as needed.
9334 2000-02-06 Richard Henderson <rth@cygnus.com>
9336 * simplify-rtx.c (simplify_relational_operation): Canonicalize
9337 constant to op1 for testing.
9339 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9341 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
9342 (fixuns_truncqfqi2): Use it.
9344 2000-02-06 Richard Henderson <rth@cygnus.com>
9346 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
9349 * i386.md (widening and peepholes): Mask the constant instead of
9352 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9354 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
9355 input pointer before possibly branching off to the backslash
9357 * cpphash.c (macroexpand): Correctly delete \r escapes when
9358 stringifying parameters.
9359 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
9360 if we can; bail out early if we hit a line comment.
9361 (handle_directive): Treat '# 123' in an .S file just like
9362 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
9363 Return 1 for '# not_a_directive'.
9364 (get_directive_token): Pop macro buffers here, so that
9365 cpp_get_token can't sneakily move past a newline.
9367 (cpp_get_token): goto randomchar if handle_directive returns 0.
9369 * cppalloc.c: Update copyright.
9370 * cpplib.c: Merge all the static function prototypes into one
9372 * cpplib.h: Remove #if 0 block.
9374 * cpperror.c: Remove #ifdef EMACS block.
9375 * cppmain.c: Likewise.
9376 * cpphash.c: Remove #if 0 blocks.
9377 * cppinit.c: Remove #if 0 blocks, and the -lint option.
9378 * cpplib.c: Remove #if 0 blocks and code referencing
9379 pcp_inside_if or for_lint. Remove duplicate error message.
9380 Fix error messages for #else after #else or #elif. Reformat.
9381 Remove archaic TODO list.
9382 * cpplib.h: Remove pcp_inside_if and for_lint flags.
9384 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
9386 * i386/osf1elf.h: Add missing backslash to multiline string.
9388 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9390 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
9392 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9394 * Makefile.in (c-common.o): Depend on $(EXPR_H).
9396 * c-common.c: Include expr.h.
9398 * c-pragma.c (mark_align_stack): Add prototype.
9400 * caller-save.c (add_stored_regs): Likewise.
9402 * combine.c (record_promoted_value): Likewise.
9404 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
9407 * cppinit.c (new_pending_define): Likewise.
9409 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
9411 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
9412 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
9413 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
9414 class_scope_p): Likewise.
9416 * dwarf2out.h (dwarf2out_set_demangle_name_func,
9417 dwarf2out_add_library_unit_info): Likewise.
9419 * ggc.h (ggc_page_print_statistics): Likewise.
9421 * haifa-sched.c (propagate_deps): Likewise.
9423 * reg-stack.c (next_flags_user, record_label_references): Likewise.
9425 * rtl.h (set_stack_check_libfunc): Likewise.
9427 * toplev.h (set_fatal_function): Likewise.
9429 * toplev.c (set_fatal_function): Delete prototype.
9431 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
9433 2000-02-05 Geoff Keating <geoffk@cygnus.com>
9435 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
9436 (FUNC_END): Likewise.
9438 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9440 * caller-save.c: Include tm_p.h.
9442 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9444 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
9446 2000-02-04 Neil Booth <NeilB@earthling.net>
9448 * cccp.c (main): Check 'dir' for a NULL pointer before passing
9451 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
9453 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
9454 * genflags.c: Use the max_operand_1 logic from genemit.c to
9455 calculate how many arguments gen_insn prototypes have. Remove
9456 NO_MD_PROTOTYPES ifdefs from the generated file.
9457 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
9458 file. Cast gen_insn initializers to insn_gen_fn.
9459 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
9460 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
9462 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9464 * fixinc/Makefile.in (HDR): Add machname.h.
9467 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9469 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
9470 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
9471 (c4x_cpu_version): Ditto.
9472 * config/c4x/c4x-protos.h: ... here.
9474 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
9476 * dwarf2out.c (add_abstract_origin_attribute): Don't call
9477 gen_abstract_function on our context if we're a nested function.
9479 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9481 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
9482 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
9484 2000-02-04 Bruce Korb <bkorb@gnu.org>
9486 * fixinc/genfixes(machname.h):
9487 Move the functionality from gen-machine.h into this file.
9488 UNdef MN_NAME_PAT if there are no names to change.
9489 Also, be a little kinder when AutoGen is not present.
9491 * fixinc/Makefile.in(machname.h):
9492 Change the generation rule to use genfixes.
9494 * fixinc/fixfixes.c(machine_name):
9495 machine_name_fix's functionality now dependent upon whether
9496 MN_NAME_PAT is defined.
9498 * fixinc/fixtests.c(machine_name):
9501 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
9504 * fixinc/fixlib.h(mn_get_regexps):
9507 * fixinc/gen-machine.h: DELETED
9509 2000-02-04 Jan Hubicka <jh@suse.cz>
9510 Richard Henderson <rth@cygnus.com>
9512 * i386.c (SAVE_REGS_FIRST): Remove.
9513 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
9514 (ix86_compute_frame_size): Likewise.
9515 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
9516 (ix86_emit_restore_regs): Remove.
9517 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
9518 when a frame pointer is in use.
9519 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
9520 instead of pop to restore a register when profitable; emit leave
9522 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
9524 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
9525 * i386.md (prologue_allocate_stack): Remove.
9526 (epilogue_deallocate_stack): Remove.
9527 (pro_epilogue_adjust_stack): New.
9529 2000-02-04 Richard Henderson <rth@cygnus.com>
9531 * function.c (diddle_return_value): Rework to use a callback function.
9532 Use current_function_return_rtx if it's been set up.
9533 (do_clobber_return_reg, clobber_return_register): New.
9534 (do_use_return_reg, use_return_register): New.
9535 (expand_function_end): Use them.
9536 * stmt.c (expand_null_return): Likewise.
9537 * function.h: Declare them.
9538 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
9539 (mark_reg): Change arguments as appropriate for callback.
9540 * integrate.c (expand_inline_function): Revert 19 Jan change.
9542 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
9544 * tm.texi (Values in Registers): Fix typo: "fo" "for".
9545 (Misc): Say the scheduler, not the Haifa scheduler.
9547 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
9549 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
9550 when in_mem is set. Update all callers.
9552 2000-02-04 Richard Henderson <rth@cygnus.com>
9554 * i386/openbsd.h (INT_ASM_OP): Define.
9556 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
9558 * tm.texi: Fix various typos.
9560 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
9562 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
9563 (MD_STARTFILE_PREFIX_1): New macro.
9565 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
9567 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
9568 destination when needed.
9569 (strmovsi, strsetsi): New expander.
9570 (strmovsi_1, strsetsi_1): New pattern.
9571 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
9572 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
9573 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
9574 * invoke.texi (align-stringops, inline-all-stringops): Document.
9576 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
9578 * i386/netbsd.h (INT_ASM_OP): Define.
9580 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
9582 * cpplib.h (cpp_reader): Add new flag, no_directives.
9583 * cpphash.c (macarg): Set it.
9584 * cpplib.c (handle_directive): If no_directives is on and we
9585 find a directive, issue an error and discard the line.
9587 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
9589 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
9590 FP constants. Add ! TARGET_FPU check for FP constants.
9592 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
9594 * flow.c (find_basic_blocks): Don't kill label_value_list
9596 (cleanup_cfg): Kill it here.
9598 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9600 * expr.c (store_field): Ensure ALIGN is no stricter than the
9603 2000-02-02 Richard Henderson <rth@cygnus.com>
9605 * jump.c (delete_insn): Partially revert 19 Jan change;
9606 don't convert unused code labels to notes at -O0.
9608 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9610 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
9611 split_all_insns to recreate REG_LABEL notes for flow2 pass.
9613 2000-02-01 Richard Henderson <rth@cygnus.com>
9615 * i386.c (general_no_elim_operand): New.
9616 (nonmemory_no_elim_operand): New.
9617 (ix86_expand_move): Copy eliminable operands before a push.
9618 * i386-protos.h: Declare new functions.
9619 * i386.h (CAN_ELIMINATE): Simplify.
9620 (PREDICATE_CODES): Update.
9621 * i386.md (push insns): Don't allow eliminable register operands.
9623 2000-02-01 Richard Henderson <rth@cygnus.com>
9625 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
9626 replace BLKmode with DECL_RTL's mode.
9628 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
9630 * frame.c (find_fde): Convert for loop to do-while so compiler
9631 sees it's always executed at least once.
9632 * libgcc2.c (BBINBUFSIZE): Kill.
9633 (__bb_init_prg): Use fgets.
9634 (__bb_exit_trace_func): Don't paste strings.
9635 * unroll.c (unroll_loop): Initialize unroll_type, not
9636 unroll_number, and tweak logic to match.
9638 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
9640 (ix86_flags_dependant): Likewise. Disentangle control flow.
9641 (ix86_sched_reorder): Break guts out to
9642 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
9643 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
9646 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
9647 use string concatenation. Don't save and restore esi.
9649 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
9650 (machname.h): Remove script to separate file. Use two-step
9651 sequence so target is not created if script fails.
9652 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
9653 identifiers are defined.
9654 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
9655 an empty string, machine_name doesn't need to do anything at
9657 (is_cxx_header): Add more cases to regexp.
9658 * fixinc/fixlib.h: Update prototype.
9659 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
9661 * fixinc/fixincl.c: Define NO_BOGOSITY.
9663 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
9664 (hp_sysfile): Add missing comma.
9665 (math_exception): Put the wrapper ifdefs at the beginning and
9666 the end of the file.
9667 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
9669 2000-02-01 Richard Henderson <rth@cygnus.com>
9671 * sparc.c (fp_zero_operand): Turn into a normal predicate.
9672 Use CONST0_RTX. Update all callers.
9673 * sparc.h, sparc-protos.h: Update accordingly.
9674 * sparc.md (fp mov insns): Use fp_zero_operand directly
9677 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
9679 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
9682 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9684 * Makefile.in (specs.ready): New target.
9685 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
9687 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9689 * fixinc.irix: Use unique filenames for writing into /tmp,
9690 * fixinc.ptx: Likewise.
9691 * fixinc.sco: Likewise.
9692 * fixinc.svr4: Likewise.
9693 * fixinc.winnt: Likewise.
9695 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9697 * tsystem.h: New file.
9699 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
9700 s-crtS): Depend on tsystem.h.
9702 * crtstuff.c: Include tsystem.h.
9703 * frame.c: Likewise.
9704 * libgcc2.c: Likewise.
9706 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
9708 * builtins.c (expand_builtin_memset): Expand for variable sized
9711 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
9713 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
9716 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
9718 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
9720 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
9722 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
9724 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
9725 case 3->2 combining (combining with splitting) in which 2 is CC0
9726 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
9727 checked at the begining of the function with the aid of calling
9728 function 'can_combine_p'.
9730 2000-01-31 Dave Brolley <brolley@redhat.com>
9732 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
9734 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
9736 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
9739 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9741 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
9743 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
9746 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9748 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
9749 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
9750 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
9751 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
9752 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
9753 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
9754 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
9755 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
9756 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
9757 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
9759 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
9760 Add %(cpp_cpu) to CPP_SPEC.
9762 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
9763 Add %(cc1_cpu) to CC1_SPEC.
9765 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9767 * c-decl.c (c_decode_option): Accept optional numeric argument to
9768 -Wformat and set warn_format.
9769 * c-common.c: Don't emit warning about non-constant printf format
9770 string unless warn_format > 1.
9772 2000-01-30 Richard Henderson <rth@cygnus.com>
9774 * alpha.md (return_internal): Allow after reload only.
9776 2000-01-30 Richard Henderson <rth@cygnus.com>
9778 * i386.c (ix86_compute_frame_size): Omit padding1 if the
9779 local frame size is zero.
9781 2000-01-30 Richard Henderson <rth@cygnus.com>
9783 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
9784 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
9785 * alpha.md (return): Turn into an expander.
9786 (return_internal): Don't use $26.
9787 (epilogue): Emit the return insn.
9789 2000-01-30 Richard Henderson <rth@cygnus.com>
9791 * alpha.md (negtf2, abstf2): Fix word order thinko.
9793 (trunctfsf2): Avoid intermediate rounding errors.
9795 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
9797 * cppfiles.c (find_position): Drop 'colp' argument, return the
9799 (read_and_prescan): Adjust to match. Don't ever manipulate
9800 line or line_base except via find_position.
9802 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9804 * c-parse.in: Apply Ulrich's changes from c-parse.y.
9805 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
9808 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
9810 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
9811 just print "<command line>". If 'filename' is null or an
9812 empty string, print "<stdin>" for the filename.
9813 * cpplib.c (do_define): Don't print the 'location of the
9814 previous definition' message if we're still parsing the
9816 (cpp_pedwarn_with_file_and_line): Always call
9817 cpp_file_line_for_message.
9819 2000-01-29 Mark Mitchell <mark@codesourcery.com>
9821 * flow.c (mark_regs_live_at_end): Fix typo.
9823 2000-01-28 Ulrich Drepper <drepper@redhat.com>
9825 * c-common.c: Adjust variable names, comments, help strings to c99.
9826 * c-lex.c: Likewise.
9827 * c-parse.y: Likewise.
9828 * c-tree.h: Likewise.
9830 * cpplib.h: Likewise.
9831 * c-decl.c: Likewise. Recognize options with names "*99" as well.
9832 * cppinit.c: Likewise.
9834 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9836 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
9837 * c4x.c: Define the optab rtx values.
9838 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
9839 (c4x_emit_libcall): Use new optab rtx values.
9840 (c4x_emit_libcall3): Likewise.
9841 (c4x_emit_libcall_mulhi): Likewise.
9842 * c4x-protos.h: Add prototypes for optab rtx values and change
9843 prototypes for above c4x_emit_libcall functions.
9845 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9847 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
9849 (c4x_function_prologue): Use regnames intead of float_reg_names when
9851 (c4x_function_epilogue): Likewise.
9852 (c4x_print_operand): Likewise.
9853 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
9854 * c4x.md (set_high): Disable for TARGET_TI.
9856 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9858 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
9859 of framepointer + constant to ADDR_REGS class.
9860 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
9861 * c4x.c (std_or_reg_operand): New function.
9862 * c4x-protos.h (std_or_reg_operand): Prototype it.
9864 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9866 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
9867 object names as libgcc2.c.
9868 * libgcc.S: Use newly defined names.
9870 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
9871 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
9873 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
9874 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
9875 (FLOW_LOOP_LAST_BLOCK): Likewise.
9877 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9879 * basic-block.h (struct loop): New fields 'first' and 'last'.
9880 * flow.c (flow_loops_find): Compute loop->first and loop->last.
9881 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
9882 and loop->last to check for NOTE_INSN_LOOP_END.
9884 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
9886 * predict.c (estimate_probability): Use the new FIRST and LAST fields
9887 of the loop descriptor rather than HEADER and LATCH. Also added
9888 missing break statements as well making some coding style modifications
9889 as suggested by Michael Hayes.
9891 2000-01-28 Richard Henderson <rth@cygnus.com>
9893 * flow.c (find_basic_blocks): Remove do_cleanup argument.
9894 Break out that code ...
9895 (cleanup_cfg): ... here.
9896 (commit_one_edge_insertion): Detect a return instruction being
9897 emitted to an edge. Emit a barrier following; clear fallthru.
9898 (commit_edge_insertions): Verify CFG consistency.
9899 * function.c (expand_function_start): Kill unused variable.
9900 (expand_function_end): Likewise.
9901 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
9902 to insert the epilogue.
9904 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
9905 (delete_null_pointer_checks): Likewise.
9906 * output.h: Likewise.
9907 * reg-stack.c (reg_to_stack): Likewise.
9908 * toplev.c (rest_of_compilation): Likewise. Run
9909 thread_prologue_and_epilogue_insns after rebuilding the CFG.
9911 2000-01-28 Richard Henderson <rth@cygnus.com>
9913 * Makefile.in (flow.o): Revert 24 Jan change.
9914 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
9915 FUNCTION_VALUE result to DECL_RESULT's mode.
9917 * haifa-sched.c (schedule_insns): Don't recompute reg info
9920 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
9922 * configure.in: Make --enable-cpplib the default.
9923 * configure: Regenerate.
9924 * gcc.dg/990119-1.c: No longer expected to fail.
9926 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
9928 * jump.c (jump_optimize_1): Delete an optimization that is also done
9929 by merge_blocks in flow.
9931 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9933 * diagnostic.c (build_message_string, output_printf,
9934 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
9935 (build_location_prefix): Fix non-literal format string.
9937 2000-01-27 Richard Henderson <rth@cygnus.com>
9939 * alpha.md (trunctfsf2): New.
9941 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
9943 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
9945 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
9947 * cppinit.c (cpp_handle_option): Recognize C++ comments under
9949 * cpplib.c (skip_block_comment, skip_line_comment): Split code
9951 (skip_comment) ... here. Permit C++ comments in system
9952 headers always. Warn about C++ comments in user code under
9953 -std=gnu89 -pedantic.
9954 (copy_comment): Use skip_comment.
9955 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
9957 (consider_directive_while_skipping, do_else, do_endif): Call
9958 validate_else unconditionally.
9959 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
9960 text after the conditional in a system header.
9961 * cpplib.h (struct cpp_buffer): Add flag
9962 warned_cplusplus_comments.
9964 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9966 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
9967 Use unshare_all_rtl_1.
9968 (unshare_all_rtl_again): New function.
9969 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
9971 * function.c (purge_addressof_1): Use unshare_all_rtl_again
9972 rather than resetting the 'used' flags ourself.
9974 * toplev.c (rest_of_compilation): Add current_function_decl
9975 to the unshare_all_rtl call.
9976 * tree.h: Prototype unshare_all_rtl.
9977 * rtl.h: Prototype unshare_all_rtl_again here.
9979 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
9981 * genoutput.c (output_prologue): Include ggc.h in generated
9983 * Makefile.in (insn-output.o): Depends on ggc.h.
9985 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
9986 Hans-Peter Nilsson <hp@bitrange.com>
9988 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
9989 Remove redundant include of xm-ns32k.h.
9990 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
9991 Remove redundant include of xm-ns32k.h.
9992 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
9993 Remove redundant include of xm-ns32k.h.
9994 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
9996 * ns32k/ns32k.h: Update comment on multiply-add instructions.
9997 (TARGET_SWITCHES): Add documentation strings.
9998 (DWARF_FRAME_REGNUM): Override default definition.
9999 (REG_CLASS_CONTENTS): Add comments.
10000 (SUBSET_P): Format to reduce line length.
10001 (SMALL_REGISTER_CLASSES): Make a run time option.
10002 (GO_IF_NONINDEXED_ADDRESS): Reformat.
10003 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
10004 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
10005 (regclass_map): fix typo in comment.
10006 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
10007 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
10008 (trace, reg_or_mem_operand): Delete, unused function.
10009 (calc_address_cost): Small offsets are cheaper than large ones.
10010 (expand_block_move): Generate more efficient code when bytes is a
10011 known at compile time.
10012 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
10013 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
10014 instead of reg_or_mem_operand.
10016 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
10017 not general_operand. Similarly use "=rm" or stricter, not "=g".
10018 For input operands, use stricter constraints than "g" if not
10019 general_operand. Similarly use stricter predicate than
10020 "general_operand" when stricter constraints than "g" are present,
10021 except for matching constraints.
10022 (movstrsi): Use "memory_operand" for operands 0 and 1.
10023 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
10024 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
10025 not reg_or_mem_operand.
10026 (udivmoddisi4): Ditto.
10027 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
10028 Use nonimmediate_operand for operand 3, not register_operand.
10029 (udivmoddiqi4_internal): Use register_operand for operand 1, not
10030 reg_or_mem_operand.
10032 2000-01-27 Fred Fish <fnf@be.com>
10034 * gthr-posix.h: Fix typo; compatibily -> compatibility.
10035 * gthr-single.h: Likewise.
10036 * gthr-solaris.h: Likewise.
10037 * gthr-vxworks.h: Likewise.
10038 * gthr-win32.h: Likewise.
10039 * gthr.h: Likewise.
10041 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
10043 * cppinit.c: Add " (cpplib)" to end of string printed by
10046 2000-01-27 Richard Henderson <rth@cygnus.com>
10048 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
10049 testing for a signed comparison.
10050 (alpha_emit_floatuns): New.
10051 * alpha-protos.h: Declare it.
10052 * alpha.md (floatunsdisf2, floatunsdidf2): New.
10053 (extendsfdf2): Tidy.
10055 2000-01-27 Jakub Jelinek <jakub@redhat.com>
10057 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
10058 no -g option specifying debugging format, default to -gstabs+.
10060 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10062 * calls.c (special_function_p): New argument fork_or_exec.
10063 (expand_call): When profile_arc_flag is set and the function
10064 is in the fork_or_exec group, call __bb_fork_func first.
10065 * libgcc2.c, _bb module (__bb_fork_func): New function.
10066 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
10068 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
10069 * tree.h (special_function_p): Update prototype.
10071 2000-01-26 Richard Henderson <rth@cygnus.com>
10073 * alpha.c (alpha_split_tfmode_pair): New.
10074 * alpha-protos.h: Declare it.
10075 * alpha.md (abstf2, negtf2): New.
10076 (movtf insn): Add input G constraint.
10077 (movtf splitter): Use alpha_split_tfmode_pair.
10079 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10081 * i386/cygwin.h: PROTO -> PARAMS.
10083 2000-01-26 Jakub Jelinek <jakub@redhat.com>
10085 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
10086 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
10087 using _Qp_cmp/_Q_cmp and testing the return value.
10088 (print_operand): Call reverse_condition_maybe_unordered if
10089 we are handling CCFPmode or CCFPEmode.
10090 Handle ORDERED, UN* and LTGT comparisons.
10091 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
10092 if not TARGET_HARD_QUAD.
10093 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
10094 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
10095 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
10096 Adjust gen_b* calls so that they reflect return comparison of
10097 sparc_emit_float_lib_cmp.
10099 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10101 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
10102 incoming operands array is large enough for one more operand.
10103 (alpha_emit_xfloating_arith): Likewise.
10105 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10107 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
10108 file with one line and no trailing newline.
10109 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
10110 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
10111 checking if the match is on the line.
10112 * fixinc/gnu-regex.c: Provide regerror not __regerror.
10114 2000-01-25 Richard Henderson <rth@cygnus.com>
10116 * sparc.c (output_cbranch): Fix accidental squashing of the
10117 fp branch pre-delay nop.
10119 2000-01-25 Richard Henderson <rth@cygnus.com>
10121 * tree.def (UNNE_EXPR): Remove.
10122 * c-typeck.c (build_binary_op): Don't handle it.
10123 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
10125 * rtl.def (UNNE): Remove.
10127 * jump.c (reverse_condition): Update accordingly.
10128 (swap_condition): Likewise.
10129 (comparison_dominates_p): Handle unordered comparisons.
10130 (reverse_condition_maybe_unordered): New.
10131 * rtl.h (reverse_condition_maybe_unordered): Declare.
10133 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
10134 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
10135 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
10136 * sparc.md (bltgt): New.
10138 2000-01-25 Nick Clifton <nickc@redhat.com>
10140 * emit-rtl.c (emit_insn): Only check machine class insns for
10141 improper emission of a RETURN.
10143 2000-01-25 Richard Henderson <rth@cygnus.com>
10145 * Makefile.in (flow.o): Depend on $(EXPR_H).
10146 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
10147 duplicate the structure of diddle_return_value for keeping regs live.
10149 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10151 * loop.c (current_loop_info): Delete.
10152 (consec_sets_invariant_p): Add loop argument, update callers.
10153 (get_condition_for_loop): Likewise.
10154 (count_nonfixed_reads, update_giv_derive): Likewise.
10155 (simplify_giv_expr, general_induction_var): Likewise.
10156 (consec_sets_giv, recombine_givs): Likewise.
10157 (move_movables): Delete loop_start and loop_end arguments,
10158 add loop argument, and update callers.
10159 (find_mem_givs, check_final_value): Likewise.
10160 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
10161 (loop_invariant_p): Rename from invariant_p, add loop argument, and
10163 (basic_induction_var): Add loop argument, delete loop_level argument,
10164 and update callers.
10165 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
10166 add loop argument, and update callers.
10167 (find_splittable_regs, find_splittable_givs): Likewise.
10168 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
10169 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
10170 (biv_total_increment): Delete loop_start and loop_end arguments;
10172 (precondition_loop_p): Delete loop_start and loop_info arguments;
10174 * loop.h (get_condition_for_loop): Add loop argument.
10175 (biv_total_increment): Delete loop_start and loop_end arguments.
10176 (precondition_loop_p): Delete loop_start and loop_info arguments;
10178 (final_biv_value): Delete loop_start and loop_end arguments;
10180 (final_giv_value, back_branch_in_range_p): Likewise.
10182 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10184 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
10186 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
10188 * Makefile.in (c-gperf.h) : Change the "See" pointer to
10189 point to the new "generated_files" doc.
10191 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10193 * config/fp-bit.c (_unord_f2): Fix typo.
10195 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10197 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
10198 c-typeck.c, objc/objc-act.c: Remove all references to obstack
10199 functions obsoleted by GC, such as push_obstacks_nochange,
10200 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
10201 and code which existed only to decide whether or not to call
10202 them. Remove now-unused NESTED argument from start_function;
10203 all callers changed. Do not change behavior based on ggc_p.
10204 The use of the ixp_obstack in c-iterate.c and the util_obstack
10205 in objc/objc-act.c remain; these are not obsoleted by garbage
10207 * c-tree.h: Update prototype for start_function.
10209 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
10211 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
10213 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
10216 2000-01-25 Richard Henderson <rth@cygnus.com>
10218 * sparc-protos.h (select_cc_mode): Declare.
10219 * sparc.c (select_cc_mode): New. Handle unordered compares.
10220 (output_cbranch): Always reverse via code change. Handle
10221 unordered compares. Factor tests and string updates.
10222 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
10223 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
10224 * sparc.md (bunordered, bordered): New.
10225 (bungt, bunlt, buneq, bunge, bunle): New.
10227 2000-01-25 Richard Henderson <rth@cygnus.com>
10229 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
10230 * ggc-common.c (ggc_add_rtx_varray_root): New.
10231 (ggc_mark_rtx_varray): New.
10232 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
10233 functions down below ggc_mark_foo.
10234 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
10236 2000-01-25 Richard Henderson <rth@cygnus.com>
10238 * alpha.c (secondary_reload_class): Don't allocate a secondary
10239 for integral mode memories into FLOAT_REGS. Rearrange the more
10240 complicated memory expression inward.
10242 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
10244 * inclhack.def: Fixes to play nicer with FreeBSD, and
10245 corrections to comments.
10246 (cxx_unready): Add select expression.
10247 (irix_sockaddr): Add bypass expression.
10248 (machine_ansi_h_va_list): New fix.
10249 (stdio_va_list): No need to edit _BSD_VA_LIST_.
10250 Split out addition of "#include <stdarg.h>" to...
10251 (stdio_stdarg_h): ... here.
10252 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
10253 to stdlib.h also. Do not munge _BSD_SIZE_T_.
10254 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
10256 (ultrix_ifdef): Tighten up select expression.
10258 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
10259 re_ct and max_mach to avoid use of shell. Make printed names
10260 match names in inclhack.def. Use static copyright date.
10261 Don't count c_test and test expressions as requiring regex_t
10262 slots. Add some commentary.
10263 * inclhack.tpl: Do not include the 'This script contains N
10264 fixup scripts' line if PROGRAM is defined. Use static
10267 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
10269 * dwarf2out.c: include "varray.h", not dyn-string.h.
10270 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
10271 (addr_const_to_string, addr_to_string): Lose.
10272 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
10273 (struct dw_val_struct): val_addr is now an rtx.
10274 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
10275 (used_rtx_varray): New varray.
10276 (dwarf2out_init): Initialize it.
10277 (save_rtx): New fn.
10278 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
10280 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
10281 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
10282 * Makefile.in (dwarf2out.o): Update dependencies.
10284 2000-01-24 Richard Henderson <rth@cygnus.com>
10286 * i386.c (i386_dwarf_output_addr_const): New.
10287 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
10289 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
10291 * dwarfout.c (output_mem_loc_descriptor): Likewise.
10292 * i386.c (i386_simplify_dwarf_addr): New.
10293 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
10295 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
10297 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
10298 TYPE_STUB_DECL is NULL.
10300 2000-01-24 Richard Henderson <rth@cygnus.com>
10302 * builtins.c (expand_tree_builtin): Move ...
10303 * c-common.c (expand_tree_builtin): ... here.
10305 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10307 * loop.h (LOOP_INFO): New accessor macro.
10308 * basic-block.h (struct loop): Rename field `info' to `aux'.
10309 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
10310 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
10311 * unroll.c (loop_iterations, unroll_loop): Likewise.
10313 2000-01-24 Christopher Faylor <cgf@cygnus.com>
10315 * config/i386/t-cygwin: Accomodate new winsup directory layout
10316 when searching for include files.
10318 2000-01-24 Richard Henderson <rth@cygnus.com>
10320 * rtl.def: Add unordered fp comparisions.
10321 * tree.def: Likewise.
10322 * tree.h: Add ISO C 9x unordered fp comparision builtins.
10324 * builtins.c (expand_tree_builtin): New function.
10325 * c-typeck.c (build_function_call): Use it.
10326 (build_binary_op): Support unordered compares.
10327 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
10329 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
10330 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
10331 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
10332 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
10333 * jump.c (reverse_condition): Don't abort for UNLE etc, but
10335 (swap_condition): Handle unordered compares.
10336 (thread_jumps): Check can_reverse before reversing.
10337 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
10340 * optabs.c (can_compare_p): New argument CODE. Verify branch or
10341 setcc is present before acking for cmp_optab. Update all callers.
10342 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
10343 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
10344 * expr.c (expand_expr): Likewise. Support unordered compares.
10345 (do_jump, do_store_flag): Likewise.
10346 * expr.h (enum libfunc_index): Add unordered compares.
10348 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
10349 (DPBIT_FUNCS): Add _unord_df.
10350 * config/fp-bit.c (_unord_f2): New.
10351 * fp-test.c (main): Try unordered compare builtins.
10353 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
10354 * alpha.c (alpha_comparison_operator): Check mode properly.
10355 (alpha_swapped_comparison_operator): Likewise.
10356 (signed_comparison_operator): Likewise.
10357 (alpha_fp_comparison_operator): New.
10358 (alpha_emit_conditional_branch): Handle unordered compares.
10359 * alpha.h (PREDICATE_CODES): Update.
10360 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
10361 (bunordered, bordered): New.
10363 2000-01-24 Richard Henderson <rth@cygnus.com>
10365 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
10366 * alpha.md (movtf): New expander, insn, and splitter.
10368 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
10370 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
10373 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
10375 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
10376 (FIXED_REGISTERS, CALL_USED_REGISTERS,
10377 REG_ALLOC_ORDER): Add frame pointer
10378 (FRAME_POINTER_REGNUM): Set to 20
10379 (HARD_FRAME_POINTER_REGNUM): New macro.
10380 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
10381 to HARD_FRAME_POINTER.
10382 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
10383 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
10384 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
10385 (HI_REGISTER_NAMES): Add "frame".
10386 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
10387 (debug_reg): Handle FRAME_POINTER_REGNUM.
10388 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
10389 GENERAL_REGS and INDEX_REGS.
10390 * i386.c (SAVED_REGS_FIRST): new macro.
10391 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
10392 (ix86_decompose_address, memory_address_length): Likewise.
10393 (regclass_map): Add frame pointer.
10394 (call_insn_operand): Handle frame_pointer_rtx.
10395 (reg_no_sp_operand): Likewise.
10396 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
10397 (print_operand, legitimize_pic_address): Fix formating.
10398 (ix86_compute_frame_size): Make static, update prototype, new
10399 parameters padding1, padding2, use ix86_nsaved_regs, use
10400 stack_alignment_needed.
10401 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
10402 to HARD_FRAME_POINTER_REGNUM conversions.
10403 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
10404 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
10405 (print_reg): Abort on FRAME_POINTER_REGNUM
10407 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
10409 * i386.h (PREDICATE_CODES): Add aligned_operand.
10410 * i386.c (aligned_operand): New function.
10411 (ix86_aligned_p): Kill.
10412 * i386.md (movhi_1): Emit mov for aligned operands.
10413 (promoting peep2s): Use aligned_operand.
10415 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
10417 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
10418 expression to allow underscores in macro names.
10419 (fix_char_macro_defines): Increment scanning pointer.
10421 2000-01-23 Richard Henderson <rth@cygnus.com>
10423 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
10424 * alpha/osf5.h: New file.
10425 * configure.in (alpha-*-osf5): Add it to tm_file.
10427 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
10429 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
10430 (alpha_emit_xfloating_cvt, function_arg): Declare.
10431 * alpha.c (alpha_emit_conditional_branch): Call
10432 alpha_emit_xfloating_compare for TFmode compares.
10433 (alpha_lookup_xfloating_lib_func): New.
10434 (alpha_compute_xfloating_mode_arg): New.
10435 (alpha_emit_xfloating_libcall): New.
10436 (alpha_emit_xfloating_arith): New.
10437 (alpha_emit_xfloating_compare): New.
10438 (alpha_emit_xfloating_cvt): New.
10439 (print_operand): Add default abort case.
10440 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
10441 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
10442 (BIGGEST_ALIGNMENT): Increase to 128 bits.
10443 (RETURN_IN_MEMORY): True for TF/TCmode.
10444 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
10445 (FUNCTION_ARG): Move to function_arg.
10446 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
10447 (ASM_OUTPUT_LONG_DOUBLE): New.
10448 (ASM_OUTPUT_DOUBLE): Always output bits.
10449 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
10450 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
10451 (extenddftf2, trunctfdf2): New.
10453 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10455 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
10456 * config/sparc/sol2.h: ... here.
10458 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10460 * basic-block.h (struct loops): New field `levels'.
10461 * flow.c (flow_loops_level_compute): Traverse all outer loops.
10462 (flow_loop_level_compute): Initialise level to 1.
10463 (flow_loops_find): Set loops->levels.
10464 (flow_loops_dump): Print loops->levels.
10466 2000-01-23 Richard Henderson <rth@cygnus.com>
10468 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
10469 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
10471 2000-01-23 Richard Henderson <rth@cygnus.com>
10473 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
10474 * i386.h (DBX_REGISTER_NUMBER): Use them.
10475 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
10476 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
10477 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
10478 * i386/sequent.h: Kill incorrect comment.
10480 2000-01-23 Mark Mitchell <mark@codesourcery.com>
10482 * ggc-page.c (struct page_entry): Make `context_depth' an
10484 (struct globals): Likewise.
10486 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
10488 * loop.c (check_dbra_loop): When checking a loop for
10489 reversability, check the source of any stores to ensure
10490 they don't depend on an initial value.
10492 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10494 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
10496 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
10498 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
10499 'pz_scan' into scope of entire function. Only affects
10500 compiles with -DDEBUG.
10502 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
10504 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
10505 section naming to that prior to 2000-01-07 patch.
10506 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
10507 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
10508 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
10509 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
10510 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
10512 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
10514 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
10517 2000-01-21 Jim Wilson <wilson@cygnus.com>
10519 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
10520 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
10522 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10524 * cpphash.c (change_newlines): Delete function.
10525 (struct argdata): Delete 'newlines' and 'use_count' fields.
10526 (macroexpand): Remove code referencing those fields.
10528 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10530 * loop.c (loops_info): New variable.
10531 (loop_optimize): Allocate loops->array and free it on exit.
10532 Allocate memory for loops_info and assign to each loop,
10534 (find_and_verify_loops): Do not allocate loops->array.
10536 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
10538 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
10540 2000-01-21 Jakub Jelinek <jakub@redhat.com>
10542 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
10543 pseudos if expanded after first flow.
10544 (movdi_pic_label_ref): Likewise.
10546 2000-01-20 Richard Henderson <rth@cygnus.com>
10548 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
10550 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
10552 * Makefile.in (fixinc.sh): Depend on specs.
10553 * fixinc/Makefile.in: Add rule to create machname.h.
10554 (fixlib.o): Depend on machname.h.
10555 * fixinc/fixtests.c (machine_name): New test.
10556 * fixinc/fixfixes.c (machine_name): New fix.
10557 * fixinc/fixlib.c (mn_get_regexps): New helper function for
10558 the machine_name test and fix.
10559 * fixinc/fixlib.h: Prototype it.
10560 * fixinc/inclhack.def (machine_name): Use the C test and fix.
10561 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
10563 * gcc.c (do_spec_1) [case P]: Take care not to create
10564 identifiers with three leading or trailing underscores.
10566 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
10567 (fixincl): Don't specify libraries twice on link line.
10568 (gnu-regex.o): Remove special rule.
10569 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
10570 defined by config.h. Do not define _REGEX_RE_COMP.
10571 (regcomp): Allocate and initialize a fastmap.
10572 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
10574 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
10576 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
10578 2000-01-19 Richard Henderson <rth@cygnus.com>
10580 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
10581 arguments with BB. Update all callers. Tidy line wrapping.
10583 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
10585 * emit-rtl.c (try_split): Return last_insn if we split the
10588 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
10590 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
10591 (ix86_initial_elimination_offset): Declare.
10592 * i386.c (ix86_nsaved_regs): Break out from ...
10593 (ix86_can_use_return_insn_p): ... here.
10594 (ix86_emit_save_regs): Break out from ...
10595 (ix86_expand_prologue): ... here.
10596 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
10598 (ix86_expand_epilogue): ... here.
10599 (ix86_compute_frame_size): Make static, add prototype.
10600 (ix86_initial_elimination_offset): Break out from ...
10601 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
10603 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10605 * recog.h (OUT_FCN): Delete.
10607 * vax.md: Call `get_insn_template' instead of OUT_FCN.
10609 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10611 * cppalloc.c: PROTO -> PARAMS.
10612 * cpperror.c: Likewise.
10613 * cppfiles.c: Likewise.
10614 * cpplib.c: Likewise.
10615 * cpplib.h: Likewise.
10617 * config/arm/arm-protos.h: PROTO -> PARAMS.
10618 * config/arm/arm.c: Likewise.
10619 * config/c4x/c4x.c: Likewise.
10620 * config/fr30/fr30-protos.h: Likewise.
10621 * config/nextstep.c: Likewise.
10622 * config/pa/pa.c: Likewise.
10623 * config/pj/pj.c: Likewise.
10624 * config/rs6000/rs6000.c: Likewise.
10625 * config/v850/v850-protos.h: Likewise.
10626 * config/v850/v850.c: Likewise.
10628 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10630 * i370-protos.h: New file.
10632 * i370.c: Include tm_p.h. Fix compile time warnings.
10634 * i370.h: Move prototypes to i370-protos.h. Fix compile time
10637 * i370.md: Likewise.
10639 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10641 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
10642 (target_isinf, target_isnan, eisnan): Mark parameter with
10644 (eiisinf): Wrap in INFINITY.
10645 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
10646 (ibmtoe): Remove unused variable `rndsav'.
10648 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10650 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
10651 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
10653 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
10655 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
10656 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
10657 (fix_char_macro_defines, fix_char_macro_uses): New functions.
10659 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
10660 Recognize Emacs mode markers also.
10661 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
10662 C++ comments in C++ headers. Call is_cxx_header only if
10665 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
10666 bypass for ncurses.
10667 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
10668 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
10669 ... these, which use the new C fixes.
10670 (math_exception): Escape literal '+' in bypass expression.
10672 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
10675 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10677 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
10680 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10682 * loop.c (loop_optimize): Allocate loop_info structure for each loop
10683 prior to calling scan_loop.
10685 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10687 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
10688 (split_branches, calc_live_regs): Likewise.
10690 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10692 * sh.md (fpu_single, fp_mode): New attributes.
10694 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10696 * loop.c (current_loop_info): Renamed from loop_info_data
10697 and changed to a pointer.
10698 (loop_optimize): Allocate loop_info structure for each loop
10699 and initialise to zero.
10700 (scan_loop): Set current_loop_info.
10702 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
10705 2000-01-19 Richard Henderson <rth@cygnus.com>
10707 * stupid.c: Die die die.
10708 * Makefile.in (OBJS): Remove stupid.o.
10709 (stupid.o): Likewise.
10711 * except.c (emit_eh_context): Don't emit USEs for stupid.
10712 * explow.c (probe_stack_range): Likewise.
10713 * flags.h (obey_regdecls): Remove.
10714 * flow.c (find_basic_blocks): Don't run try_merge_blocks
10715 when not optimizing.
10716 (life_analysis): Limit data collection when not optimizing.
10717 (mark_regs_live_at_end): Always mark the return value registers.
10718 (mark_used_regs): Remove dummy RETURN case.
10719 (print_rtl_with_bb): Don't consult obey_regdecls.
10720 * function.c (use_variable, use_variable_after): Remove.
10721 (assign_parms): Consult optimize not obey_regdecls.
10722 (expand_function_start): Don't emit USEs for stupid.
10723 (expand_function_end): Likewise.
10724 * global.c (build_insn_chain): Export.
10725 * integrate.c (expand_inline_function): Kill return-value USE
10727 * jump.c (jump_optimize_1): Do simple jump optimizations and
10728 dead code elimination.
10729 (calculate_can_reach_end): Remove check_deleted argument.
10730 (delete_insn): Patch out insns even when not optimizing.
10731 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
10732 * rtl.h (use_variable, use_variable_after): Remove declarations.
10733 (build_insn_chain): Declare.
10734 * stmt.c (expand_value_return): Don't emit USEs for stupid.
10735 (expand_end_bindings): Likewise.
10736 (expand_decl): Likewise. Consult optimize not obey_regdecls.
10737 * toplev.c (obey_regdecls): Remove.
10738 (rest_of_compilation): Don't set it. Kill stupid in favour of
10739 flow1, local-alloc, and reload.
10740 (main): Don't set obey_regdecls.
10742 * config/nextstep.c (handle_pragma): Likewise.
10744 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
10746 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
10748 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10750 * alpha-protos.h: PROTO -> PARAMS.
10751 * alpha.c: Likewise.
10753 * h8300.c: Likewise.
10754 * i386-protos.h: Likewise.
10755 * i386.c: Likewise.
10756 * m32r-protos.h: Likewise.
10757 * m32r.c: Likewise.
10758 * mips.c: Likewise.
10759 * mips.md: Likewise.
10760 * gmon-sol2.c: Likewise.
10761 * sparc.c: Likewise.
10763 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10765 * ns32k-protos.h: New file.
10767 * ns32k.c: Fix compile time warnings.
10769 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
10772 * ns32k.md: Likewise.
10774 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10776 * vax-protos.h: New file.
10778 * vax.c: Fix compile time warnings.
10780 * vax.h: Move prototypes to vax-protos.h. Fix compile time
10783 * vax.md: Likewise.
10785 * vaxv.md: Likewise.
10787 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10789 * romp-protos.h: New file.
10791 * romp.c: Fix compile time warnings.
10793 * romp.h: Move prototypes to romp-protos.h. Fix compile time
10796 * romp.md: Likewise.
10798 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10800 * we32k-protos.h: New file.
10802 * we32k.c: Fix compile time warnings.
10804 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
10807 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10809 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
10811 * except.c (eh_regs): Likewise.
10813 * final.c (output_operand): Likewise.
10815 * fold-const.c (target_isinf, target_isnan): Likewise.
10817 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
10819 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
10820 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
10822 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
10823 when optimize_size.
10824 (clrstrsi): Rewrite.
10825 (strsethi, strsetqi): New expanders.
10826 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
10827 (cmpstrsi): Emit compare insn before cmpstrsi_1
10828 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
10829 (strlensi_1): Likewise.
10830 (cmpstrsi_1): Likewise; do not output compare.
10831 (strlen expander): Do not unroll when optimizing for size.
10832 (*subsi3_carry): Rename to subsi3_carry
10833 (addqi3_cc): New pattern.
10834 * i386.h (processor_costs): Add move_ratio field.
10835 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
10836 * i386.c (*_cost): Set move_ratio.
10837 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
10838 (x86_expand_strlensi_1): Rewrite the main loop.
10840 2000-01-17 Richard Henderson <rth@cygnus.com>
10842 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
10843 * cse.c (find_comparison_args, fold_rtx): Likewise.
10844 * integrate.c (subst_constants): Likewise.
10845 * loop.c (get_condition): Likewise.
10847 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
10849 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
10851 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10853 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
10854 (RESTORE_WARN_FLAGS): Unpack it.
10855 Change semantic type of extension to ttype.
10856 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
10857 * c-parse.y, c-parse.c, objc/objc-parse.y,
10858 objc/objc-parse.c: Regenerate.
10860 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
10862 * fixinc/fixlib.c: Add copyright notice.
10863 (compile_re): New function.
10864 * fixinc/fixlib.h: Prototype compile_re.
10866 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
10867 Use compile_re to compile regular expressions.
10869 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
10870 where the pattern matched.
10872 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
10874 (ultrix_ansi_compat): Likewise.
10875 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
10877 (interactv_add2, interactv_add3): Delete.
10878 (x11_sprintf): Don't use filename glob.
10879 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
10882 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10884 * print-rtl.c: PROTO -> PARAMS.
10885 * real.c: Likewise.
10886 * reg-stack.c: Likewise.
10887 * resource.c: Likewise.
10888 * sdbout.h: Likewise.
10889 * simplify-rtx.c: Likewise.
10890 * stor-layout.c: Likewise.
10891 * stupid.c: Likewise.
10892 * xcoffout.c: Likewise.
10893 * xcoffout.h: Likewise.
10895 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10897 * toplev.c: PROTO -> PARAMS.
10898 * toplev.h: Likewise.
10899 * tree.c: Likewise.
10900 * tree.h: Likewise.
10901 * unroll.c: Likewise.
10902 * varasm.c: Likewise.
10903 * varray.c: Likewise.
10904 * varray.h: Likewise.
10906 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10908 * reload.c: PROTO -> PARAMS.
10909 * reload.h: Likewise.
10910 * reload1.c: Likewise.
10911 * reorg.c: Likewise.
10912 * resource.h: Likewise.
10915 * rtlanal.c: Likewise.
10916 * sbitmap.h: Likewise.
10917 * sdbout.c: Likewise.
10918 * stack.h: Likewise.
10919 * stmt.c: Likewise.
10920 * system.h: Likewise.
10922 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10924 * machmode.h: PROTO -> PARAMS.
10925 * mbchar.h: Likewise.
10926 * mips-tdump.c: Likewise.
10927 * mips-tfile.c: Likewise.
10928 * optabs.c: Likewise.
10929 * output.h: Likewise.
10930 * prefix.c: Likewise.
10931 * profile.c: Likewise.
10932 * protoize.c: Likewise.
10933 * real.h: Likewise.
10934 * recog.c: Likewise.
10935 * recog.h: Likewise.
10936 * regclass.c: Likewise.
10937 * regmove.c: Likewise.
10938 * regs.h: Likewise.
10940 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10942 * ggc-common.c: PROTO -> PARAMS.
10943 * ggc-page.c: Likewise.
10944 * ggc-simple.c: Likewise.
10946 * global.c: Likewise.
10947 * graph.c: Likewise.
10948 * gthr-win32.h: Likewise.
10949 * haifa-sched.c: Likewise.
10950 * halfpic.h: Likewise.
10951 * integrate.c: Likewise.
10952 * integrate.h: Likewise.
10953 * jump.c: Likewise.
10955 * local-alloc.c: Likewise.
10956 * loop.c: Likewise.
10957 * loop.h: Likewise.
10959 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10961 * genattr.c: PROTO -> PARAMS.
10962 * genattrtab.c: Likewise.
10963 * gencheck.c: Likewise.
10964 * gencodes.c: Likewise.
10965 * genconfig.c: Likewise.
10966 * genemit.c: Likewise.
10967 * genextract.c: Likewise.
10968 * genflags.c: Likewise.
10969 * gengenrtl.c: Likewise.
10970 * genopinit.c: Likewise.
10971 * genoutput.c: Likewise.
10972 * genpeep.c: Likewise.
10973 * genrecog.c: Likewise.
10975 2000-01-16 Mark Mitchell <mark@codesourcery.com>
10977 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
10979 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10981 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
10982 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
10983 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
10984 * configure, config.in: Rebuilt.
10986 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
10988 * config/i386/i386.md: Add peephole to merge successive stack
10991 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
10993 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
10994 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
10995 when walking backwards to find all the parameter loads when
10996 the basic block ends in a call.
10998 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11000 * loop.c (this_loop_info): Delete.
11001 (uid_loop): Add in place of uid_loop_num. All uses updated.
11002 (loop_number_exit_count): Delete and replace with entry in loop
11003 structure. All uses updated.
11004 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11005 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11006 (loop_outer_loop): Likewise.
11007 (loop_invalid, loop_number_exit_labels): Likewise.
11008 (loop_used_count_register): Delete and replace with entry in
11009 loop_info structure.
11010 (find_and_verify_loops): Add loops argument.
11011 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
11012 loop_end, etc. arguments with loop structure pointer. All callers
11014 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
11015 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
11016 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
11017 (insert_bct): Likewise.
11018 (basic_induction_var): New argument level.
11019 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
11020 vtop, and cont. Add used_count_register.
11021 (uid_loop): Delete declaration.
11022 (loop_number_exit_count): Likewise.
11023 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
11024 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
11025 (loop_outer_loop, loop_used_count_register): Likewise.
11026 (loop_invalid, loop_number_exit_labels): Likewise.
11027 (unroll_loop): Replace loop_start and loop_end arguments
11028 with loop structure pointer.
11029 (loop_precondition_p, loop_iterations): Likewise.
11030 Include basic-block.h.
11031 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
11032 with loop structure pointer.
11033 (loop_precondition_p, loop_iterations): Likewise.
11034 * basic-block.h (struct loop): New entries vtop, cont,
11035 cont_dominator, start, end, top, scan_start, exit_labels,
11037 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
11039 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11041 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
11043 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
11045 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
11047 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11049 * pdp11-protos.h: New file.
11051 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
11054 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
11057 * pdp11.md: Likewise.
11059 * 2bsd.h: Likewise.
11061 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11063 * mn10300-protos.h: New file.
11065 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
11068 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
11071 * mn10300.md: Likewise.
11073 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11075 * mn10200-protos.h: New file.
11077 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
11080 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
11083 * mn10200.md: Likewise.
11085 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11087 * h8300-protos.h: New file.
11089 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
11092 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
11095 * h8300.md: Likewise.
11097 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11099 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
11100 (asm_emit_uninitialised): Likewise.
11102 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
11104 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
11105 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
11107 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11109 * config/mips/mips.c (override_options): Don't turn on extra
11110 alignment for mips16.
11112 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11114 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
11115 eabi, and make sure queued POSTINCREMENT rtl is emitted at
11118 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11120 * builtins.c (PAD_VARARGS_DOWN): Define.
11121 (std_expand_builtin_va_arg): Use the above macro.
11122 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
11123 * tm.texi (Register Arguments): Document the above macro.
11125 2000-01-14 Nick Clifton <nickc@cygnus.com>
11127 * emit-rtl.c (emit_insn): If checking is enabled, make sure
11128 that this function has not been used to emit a jump
11131 * jump.c (return_jump_1): Cope with being passed a null rtx.
11133 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11135 * eh-common.h: PROTO -> PARAMS.
11136 * emit-rtl.c: Likewise.
11137 * errors.c: Likewise.
11138 * errors.h: Likewise.
11139 * except.c: Likewise.
11140 * except.h: Likewise.
11141 * explow.c: Likewise.
11142 * expmed.c: Likewise.
11143 * expr.c: Likewise.
11144 * expr.h: Likewise.
11145 * final.c: Likewise.
11146 * fix-header.c: Likewise.
11147 * flow.c: Likewise.
11148 * fold-const.c: Likewise.
11149 * function.c: Likewise.
11150 * function.h: Likewise.
11152 * gcov-io.h: Likewise.
11153 * gcov.c: Likewise.
11154 * gcse.c: Likewise.
11156 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11158 * sh-protos.h: New file.
11160 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
11161 Add static prototypes. Fix compile time warnings.
11163 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
11167 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11169 * arc-protos.h: New file.
11171 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
11174 * arc.h: Move prototypes to arc-protos.h. Fix compile time
11177 * arc.md: Likewise.
11179 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11181 * dsp16xx-protos.h: New file.
11183 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
11186 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
11189 * dsp16xx.md: Likewise.
11191 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11193 * convex-protos.h: New file.
11195 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
11198 * convex.h: Move prototypes to convex-protos.h. Fix compile time
11201 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11203 * elxsi-protos.h: New file.
11205 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
11208 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
11211 * elxsi.md: Likewise.
11213 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
11215 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
11216 case for moving from HI/LO/HI_LO_REG. This makes the behavior
11217 match the comment for MIPS16.
11219 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
11221 * flow.c (split_edge): Do not call set_block_for_insn if we
11222 do not have a basic_block_for_insn structure.
11224 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
11225 and destination functions are 32bit aligned within the trampoline.
11226 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
11227 (TRAMPOLINE_ALIGNMENT): Define.
11229 * cse.c (cse_insn): When changing (set (pc) (reg)) to
11230 (set (pc) (label_ref)), verify the change creates a valid insn.
11232 * fr30.c (call_operand): Tighten and rework to match rules for
11233 call RTL expressions.
11234 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
11235 * fr30.md (call patterns): Improve constraints.
11237 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
11239 * fr30.c (fr30_expand_epilogue): Revert last change.
11240 Use emit_jump_insn for the return insn.
11242 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
11243 Stan Cox <scox@cygnus.com>
11245 * predict.c: New file. Preliminary infrastructure work for static
11246 branch prediction and basic block reordering.
11247 * basic-block.h: Add prototype for estimate_probability.
11248 * Makefile.in: Add rules for predict.o.
11250 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
11252 * fixincludes (va_list): Use __not_va_list__ for the dummy.
11253 * fixinc/*: Likewise.
11255 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11257 * cccp.c: PROTO -> PARAMS.
11258 * cexp.y: Likewise.
11259 * collect2.c: Likewise.
11260 * combine.c: Likewise.
11261 * convert.h: Likewise.
11263 * dbxout.c: Likewise.
11264 * dbxout.h: Likewise.
11265 * diagnostic.c: Likewise.
11266 * doprint.c: Likewise.
11267 * dwarf2out.c: Likewise.
11268 * dwarf2out.h: Likewise.
11269 * dwarfout.c: Likewise.
11270 * dwarfout.h: Likewise.
11271 * dyn-string.h: Likewise.
11273 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11275 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
11276 macro conditionals guarding use.
11278 * dwarf2out.c: Include "tm_p.h".
11280 * function.c (locate_and_pad_parm): Mark parameter with
11282 (expand_function_end): Likewise for variable `context'.
11284 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
11286 2000-01-13 Nick Clifton <nickc@cygnus.com>
11288 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
11289 register to prevent compile time warnings.
11291 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
11293 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
11294 to avoid -Wtraditional warning.
11296 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11298 * 1750a-protos.h: New file.
11300 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
11303 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
11306 * 1750a.md: Likewise.
11308 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11310 * a29k-protos.h: New file.
11312 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
11315 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
11318 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11320 * clipper-protos.h: New file.
11322 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
11325 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
11328 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11330 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
11332 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
11334 * configure.in (--enable-new-gxx-abi): New option.
11335 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
11336 * Makefile.in (GXX_ABI_FLAG): New variable.
11337 * configure: Regenerate.
11339 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11341 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
11342 * tm.texi (FORCE_STRUCT_BLK): Document.
11343 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
11345 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
11347 * config/ns32k/ns32k.md: Revert Jan 9 change.
11349 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
11350 to a mode-test, if the predicate is address_operand.
11352 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
11354 * combine.c (if_then_else_cond): Be careful about what kinds
11355 of RTL expressions are passed to operand_subword.
11357 * flow.c (split_edge): If we have to insert a new jump, make
11358 sure to associate it with a basic block.
11360 * flow.c (commit_one_edge_insertion): A block with one successor
11361 can end in a JUMP_INSN that is not a simplejump.
11363 2000-01-12 Robert Lipe <robertl@sco.com>
11365 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
11366 (BUILD_VA_LIST_TYPE): Define.
11367 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
11370 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
11372 * cccp.c (do_pragma): Add cast to (char *).
11374 2000-01-12 Richard Henderson <rth@cygnus.com>
11375 Fred Fish <fnf@be.com>
11376 Jason Merrill <jason@cygnus.com>
11378 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
11379 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
11380 * i386/beos-elf.h, i386/beos-pe.h: New files.
11382 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
11383 * cross-make (SYSTEM_HEADER_DIR): Define using
11384 CROSS_SYSTEM_HEADER_DIR.
11386 * gcc.c (LIBRARY_PATH_ENV): Provide default.
11387 (process_command): Use it.
11388 (main): Likewise. Kill trailing = from env vars.
11389 (build_search_list): Put it back.
11390 * collect2.c (main): Use LIBRARY_PATH_ENV.
11392 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
11393 * toplev.c: Use NEED_DECLARATION_ENVIRON.
11395 * tm.texi (Frame Layout): Document SMALL_STACK.
11396 * c-common.c (c_common_nodes_and_builtins): Check it.
11398 * system.h: Undef alloca after including glibc's <stdlib.h>,
11399 if USE_C_ALLOCA is defined.
11401 * gcc.c (set_input): New fn.
11402 (main): After all input files are compiled, reset the input file
11405 * aclocal.m4 (rindex, index): If already defined, don't attempt
11408 * ginclude/varargs.h: (__va_list__): Define ifndef.
11409 * ginclude/stdarg.h: Likewise.
11411 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
11412 instead of unsigned char.
11414 * hash.h (true, false, boolean): Undef before enum.
11416 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
11417 proper type of "HOST_WIDE_INT *", rather than their natural type of
11418 "unsigned HOST_WIDE_INT *".
11420 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11422 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
11424 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
11426 * regclass.c (choose_hard_reg_mode): Likewise.
11428 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
11430 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
11432 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11434 * c-common.c: PROTO -> PARAMS.
11435 * c-common.h: Likewise.
11436 * c-decl.c: Likewise.
11437 * c-iterate.c: Likewise.
11438 * c-lang.c: Likewise.
11439 * c-lex.c: Likewise.
11440 * c-lex.h: Likewise.
11441 * c-parse.in: Likewise.
11442 * c-pragma.c: Likewise.
11443 * c-pragma.h: Likewise.
11444 * c-tree.h: Likewise.
11445 * c-typeck.c: Likewise.
11446 * objc/objc-act.c: Likewise.
11447 * objc/objc-act.h: Likewise.
11449 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11451 * m88k-protos.h: New file.
11453 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
11456 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
11458 * m88k.md: Likewise.
11460 * tekXD88.h: Likewise.
11462 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11464 * m68k-protos.h: New file.
11466 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
11469 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
11471 * mot3300.h: Likewise.
11473 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
11475 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
11477 (extract_bitlist): Declare bitlen.
11479 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
11481 * cccp.c: Accept and ignore -lang-fortran.
11483 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
11484 qualifiers don't match at any level of pointerness.
11486 2000-01-12 Robert Lipe <robertl@sco.com>
11488 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
11490 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
11492 * reload1.c (reload_reg_unavailable): New static variable.
11493 (reload_reg_free_p): Test it.
11494 (reload_reg_free_for_value_p): Test it instead of
11496 (choose_reload_regs_init): Compute it.
11498 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
11500 * reorg.c (fill_slots_from_thread): Check modified_in_p
11503 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
11505 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
11506 these nodes even if INTERNALS is not set.
11508 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
11510 * gcse.c (delete_null_pointer_checks_1): Cope when
11511 get_condition cannot determine the condition.
11513 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
11515 * toplev.h (set_message_length): Declare.
11517 * diagnostic.c (obstack_chunk_alloc): Define macro.
11518 (obstack_chunk_free): Likewise.
11519 (struct output_buffer): New data structure.
11520 (vmessage): Remove.
11521 (output_maximum_width): New variable.
11522 (doing_line_wrapping, set_message_length, init_output_buffer,
11523 get_output_prefix, output_space_left, emit_output_prefix,
11524 output_newline, output_append, output_puts, dump_output,
11525 vbuild_message_string, build_message_string, build_location_prefix,
11526 voutput_notice, output_printf, line_wrapper_printf,
11527 vline_wrapper_message_with_location): New functions. Implement
11528 automatic line wrapping.
11529 (v_message_with_decl): Make it handle automatic line wrapping.
11530 (v_error_with_file_and_line): Likewise.
11531 (v_warning_with_file_and_line): Likewise.
11532 (announce_function): Likewise.
11533 (default_print_error_function): Likewise.
11535 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
11537 * cpplib.h (struct cpp_options): Change lang_asm to char.
11539 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
11540 done in cpp_handle_option now.
11541 (initialize_builtins): Take out special case code used only by
11543 (cpp_handle_option): Turn off trigraphs and trigraph warnings
11544 if -traditional. Recognize -lang-fortran and set
11545 lang_fortran, also turn off cplusplus_comments.
11546 (print_help): Document -lang-fortran.
11547 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
11548 lang_asm. Ignore all directives other than `# 123 "file"' if
11550 (cpp_get_token): If -traditional, don't recognize directives
11551 unless the # is in column 1.
11552 (parse_string): If lang_fortran or lang_asm, silently
11553 terminate strings ('' or "") at end of line.
11554 Remove unnecessary braces.
11556 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11557 Richard Henderson <rth@cygnus.com>
11559 * resource.c (mark_referenced_resources): Mark a set strict_low_part
11561 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
11562 strict_low_part when possible.
11564 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11566 * alias.c: PROTO -> PARAMS.
11567 * basic-block.h: Likewise.
11568 * bitmap.c: Likewise.
11569 * bitmap.h: Likewise.
11570 * builtins.c: Likewise.
11571 * c-aux-info.c: Likewise.
11572 * caller-save.c: Likewise.
11573 * calls.c: Likewise.
11575 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11577 * Makefile.in (toplev.o): Depend on regs.h.
11579 * output.h (tdesc_section): Prototype.
11581 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
11583 * sdbout.c: Include "tm_p.h".
11585 * toplev.c: Include "regs.h".
11587 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
11589 * unroll.c (unroll_loop): Add EH support.
11591 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11593 * pa-protos.h: New file.
11595 * pa.c: Include recog.h and tm_p.h.
11596 (compute_zdepwi_operands, compute_movstrsi_length,
11597 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
11598 find_addr_reg, import_milli): Add static prototypes.
11599 (pa_cpu_string, pa_arch_string): Constify a char*.
11600 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
11601 (read_only_operand): Add argument `mode'.
11602 (singlemove_string, output_move_double, output_fp_move_double,
11603 output_block_move, output_and, output_ior, output_ascii,
11604 remove_useless_addtr_insns, milli_names, output_mul_insn,
11605 output_div_insn, output_mod_insn, output_arg_descriptor,
11606 output_cbranch, output_bb, output_bvb, output_dbra, ,
11607 output_millicode_call, output_call, hppa_encode_label,
11608 output_parallel_movb, output_parallel_addb): Constify a char*.
11609 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
11610 (output_parallel_addb): Remove extra arg to `constrain_operands'
11612 * pa.h: Move all prototypes to pa-protos.h.
11613 (pa_cpu_string, pa_arch_string): Constify a char*.
11614 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
11616 * pa.md: Call `function_label_operand' with mode argument.
11617 Likewise for `read_only_operand'.
11618 Fix nesting of parens in call to `symbolic_operand'.
11620 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11622 * i860-protos.h: New file.
11624 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
11627 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
11629 * i860.md: Likewise.
11631 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
11633 * i386.md (movstrsi expander): Rewrite.
11634 (movstrsi_1 insn): Deleted.
11635 (strmovhi, strmovqi expander): New expanders.
11636 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
11637 * i386.c (x86_single_stringop): New global variable.
11638 * i386.h (x86_single_stringop): Declare.
11639 (TARGET_SINGLE_STRINGOP): New macro.
11641 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11643 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
11644 integer vararg POSTINCREMENT before the destination of the jump
11645 for the hard fp case.
11646 (function_arg_pass_by_reference): Pass a copy of CUM to
11649 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
11650 for CONSTANT_ADDRESS_P above while loop for subreg.
11652 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
11654 * flow.c (propagate_block): When a prologue/epilogue insn
11655 is marked dead, unconditionally clear libcall_is_dead and
11656 insn_is_dead, and only dump rtl if warnings aren't being
11659 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
11661 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
11662 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
11663 (FIXED_REGISTERS): Set dirflag as fixed.
11664 (CALL_USED_REGISTERS): Set dirflag as used.
11665 (REG_ALLOC_ORDER): Set dirflag as last one.
11666 (DIRFLAG_REG): New macro.
11667 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
11668 (HI_REGISTER_NAMES): Add dirflag.
11669 (DEBUF_PRINT_REG): Handle dirflag.
11670 * i386.md (type attribute): New cld and str types.
11671 (length_opcode attribute): Set cld and str to 1.
11672 (memory attribute): Set str to unknown - it is not clear from the
11674 (pent_np function unit): Prefixed string operations takes 12 cycles
11675 minimally; cld takes 2 cycles.
11676 (ppro_uops attribute): Str is "many" and cld is "few".
11677 (ppro_p0 unit): Handle cld here.
11678 (k6_alux unit): Handle cld and str types.
11679 (k6_load unit): It is ocupied by str opcodes.
11680 (k6_store unit): It is ocupied by str opcodes.
11681 (athlon_decode): Str is vector decoded.
11682 (athlon_ieu): Handle str and cld.
11683 (cld pattern): New.
11684 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
11685 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
11686 cmpstrsi_nz_1 insn): Do not output cld instruction
11688 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
11690 * gcc.texi (G++ and GCC): Add Java and Chill.
11691 (Bug Critera): Don't list languages.
11693 * gcc.texi (Incompatibilities): No longer claim most C compilers
11696 * gcc.texi (G++ and GCC): Update other front-ends list.
11698 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
11700 * i386.c (ix86_expand_setcc): Fix typo.
11701 (ix86_expand_movcc): Similarly.
11703 * Band-aid until haifa's bitset implementation is nuked.
11704 * haifa-sched.c (extract_bitlst): New parameter for size of the
11705 bitset in bits. All callers changed. Avoid looking at undefined
11706 bits in the bitset.
11707 (edgeset_bitsize): New variable.
11708 (schedule_region): Initialize edgeset_bitsize.
11710 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11712 * Makefile.in (optabs.o): Depend on real.h
11713 (resource.o): Depend on insn-attr.h
11715 * builtins.c (result_vector): Wrap prototype in macro conditions
11716 governing definition and use.
11718 * c-common.c: Include tm_p.h.
11720 * c-lex.c: Likewise.
11722 * elfos.h: Constify a char*.
11724 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
11725 (get_attr_length, shorten_branches, profile_after_prologue): Mark
11726 parameter with ATTRIBUTE_UNUSED.
11728 * fold-const.c (exact_real_inverse): Wrap variable `i' in
11731 * haifa-sched.c (schedule_insns): Mark parameter with
11734 * optabs.c: Include real.h.
11736 * real.h (ereal_atof): Add prototype arguments.
11738 * resource.c: Include insn-attr.h.
11740 * sdbout.c (sdbout_queue_anonymous_type,
11741 sdbout_dequeue_anonymous_types): Wrap in macro
11742 SDB_ALLOW_FORWARD_REFERENCES.
11743 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
11746 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
11748 * stupid.c: Include tm_p.h.
11750 * tree.c (real_value_from_int_cst): Mark parameter with
11753 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11755 * i960-protos.h: New file.
11757 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
11760 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
11762 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11764 * combine.c (expand_field_assignment): Do not discard SUBREGs
11765 while computing nonzero_bits.
11767 2000-01-09 Nick Clifton <nickc@cygnus.com>
11769 * config/arm/arm.c: Fix compile time warnings about signed vs
11770 unsigned constants.
11771 * config/arm/arm.h: Fix compile time warnings about signed vs
11772 unsigned constants.
11774 2000-01-09 Philip Blundell <philb@gnu.org>
11776 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
11777 than `ldm' with only one register.
11778 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
11781 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
11784 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
11786 * config/ns32k/ns32k.md (load or push effective address): Operand 1
11789 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11791 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
11792 assignment used as truth value.
11794 * function.c (assign_temp): Mark parameter `dont_promote' with
11795 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
11796 PROMOTE_FOR_CALL_ONLY.
11798 * genrecog.c (write_subroutine): Mark variable `operands' with
11801 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
11804 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
11805 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
11807 * toplev.c (note_deferral_of_defined_inline_function): Likewise
11810 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11812 * config/c4x.h: Tidy up comments.
11813 * config/c4x.c: Likewise.
11815 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
11817 * fold-const.c (lshift_double, rshift_double): Handle
11818 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
11820 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11822 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
11823 in prepare_function_start().
11825 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
11827 * config/v850/v850.c (expand_epilogue): Interrupt functions no
11828 longer allocate extra stack for function calls.
11830 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11832 * config/c4x/c4x.md (*subqf3_set): Fix typo.
11834 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11836 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
11838 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11840 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11841 * aix43.h: Revert Aug 2 change.
11842 (HAS_INIT_SECTION): Define, not visible yet.
11843 (LD_INIT_SWITCH): Define, not visible yet.
11844 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11846 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
11848 * collect2.c (main): Expand ld2 size further.
11849 (export_object_lst): Cast assignment to avoid warning.
11850 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
11851 (scan_prog_file, COFF): Do not collect initialization or
11852 finalization functions generated for entire shared object if
11853 init/fini support present.
11855 2000-01-07 Nick Clifton <nickc@cygnus.com>
11857 * config/elfos.h: Tidy up formatting of marcos. Make sure
11858 that .section directives are always prefixed by a tab.
11860 * config/svr4.h: Add #include "elfos.h" and remove duplicate
11863 2000-01-07 Matt Austern <austern@sgi.com>
11865 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
11868 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
11870 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
11872 (crtbegin.o, s-crtS): Likewise.
11874 2000-01-06 Richard Henderson <rth@cygnus.com>
11876 * alpha.md (adddi_2+1): Limit offset such that it will be
11877 loadable with a single ldah+lda pair.
11878 (adddi_2+2): Explicitly fail split if we can't make it work.
11880 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
11882 * protoize.c: Conditionally include unistd.h.
11883 (IS_SAME_PATH_CHAR): New macro.
11884 (IS_SAME_PATH): New macro.
11885 (CPLUS_FILE_SUFFIX): New macro.
11886 (cplus_suffix): New static variable.
11887 (is_abspath): New static function.
11888 (in_system_include_dir): Handle DOS style pathnames.
11889 (file_could_be_converted): Likewise.
11890 (file_normally_convertible): Likewise.
11891 (directory_specified_p): Likewise.
11892 (file_excluded_p): Likewise.
11893 (abspath): Likewise.
11894 (shortpath): Likewise.
11895 (referenced_file_is_newer): Likewise.
11896 (save_def_or_dec): Likewise.
11897 (do_processing): Likewise.
11899 (edit_file): Likewise. Use rename instead of link.
11900 (rename_c_file): Likewise. Don't rename syscalls file.
11901 (munge_compile_params): Define null device for DOS based systems.
11902 (process_aux_info_file): Use binary mode if appliable.
11903 (edit_file): Likewise.
11904 * invoke.texi (Running Protoize): Document C++ suffixes used.
11906 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
11907 IS_DIR_SEPARATOR macros.
11908 * collect2.c: Likewise.
11909 * cppinit.c: Likewise.
11910 * dwarf2out.c: Likewise.
11912 * gcov.c: Likewise.
11913 * prefix.c: Likewise.
11915 * toplev.c: Likewise.
11916 * system.h: And move to here.
11918 * prefix.c (update_path): Fix typo in variable name.
11920 2000-01-06 Richard Henderson <rth@cygnus.com>
11922 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
11923 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
11924 (count_reg_sets_1, count_reg_references): Likewise.
11925 (flow_loops_level_compute): Start counting actual loop depth at 1.
11926 (flow_loops_find): Likewise.
11927 * local-alloc.c (update_equiv_regs): Likewise.
11928 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
11930 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
11932 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
11933 FIRST_PSEUDO_REGISTER
11934 * dwarf2out.c: Don't include frame.h
11935 * dwarfout.c: Likewise
11936 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
11939 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
11941 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
11944 * i386.c (movsf splitter): Fix typo in my last checkin.
11946 2000-01-05 Nick Clifton <nickc@cygnus.com>
11948 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
11949 own definition of this macro.
11950 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
11951 flag_data_sections or UNIQUE_SECTION_P are true.
11953 * tm.texi (UNIQUE_SECTION): Document that it can be called for
11954 unitialised data decls.
11956 * config/i386/winnt.c (i386_pe_unique_section): Cope with
11957 being called for uninitialised data.
11959 * config/i386/interix.c (i386_pe_unique_section): Cope with
11960 being called for uninitialised data.
11962 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
11963 for uninitialised data.
11965 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
11966 for uninitialised data.
11968 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
11969 for uninitialised data.
11971 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
11972 (UNIQUE_SECTION_P): Always generate a unique section if
11973 flag_data_sections is true.
11974 (UNIQUE_SECTION): Also generate unique sections for
11975 uninitialised data.
11976 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
11977 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
11980 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11982 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
11985 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11987 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
11988 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
11989 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
11990 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
11991 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
11993 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
11995 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
11997 * c-decl.c (finish_enum): Simplify code to determine minimum and
11998 maximum values of the enum, and calculate the type. Remove check
11999 for FUNCTION_DECLs in the values list, which cannot happen. Replace
12000 the DECL_INITIAL of each enumeration constant with a copy converted
12001 to the enumeration type. When updating variant types, don't bother
12002 updating the type itself.
12004 * c-typeck.c (build_binary_op): Simplify conditional expressions
12005 when weeding out spurious signed-unsigned warnings. Add new
12006 spurious warning category: if the unsigned quantity is an enum
12007 and its maximum value fits in signed_type(result_type). Update
12009 (build_conditional_expr): Warn here if one alternative is signed
12010 and the other is unsigned.
12012 2000-01-05 Nick Clifton <nickc@cygnus.com>
12014 * config/fr30/fr30.h: Remove extraneous comments.
12016 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
12018 * reload1.c (choose_reload_regs): When disabling a reload, also
12019 set reload_spill_index to -1.
12021 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12023 * configure.in (m68*-*-rtemscoff*): New target, formal name for
12025 (m68*-*-rtemself*): New target.
12026 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
12027 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
12028 (sparc*-*-rtemself*): New target.
12029 (sparc*-*-rtems*): Now elf not a.out.
12030 * config/i386/rtems.h: Include config/rtems.h.
12031 * config/i386/rtemself.h: Include config/rtems.h.
12032 * config/i960/rtems.h: Include config/rtems.h.
12033 * config/m68k/rtems.h: Include config/rtems.h.
12034 * config/m68k/rtemself.h: Include config/rtems.h.
12035 * config/mips/rtems64.h: Include config/rtems.h.
12036 * config/pa/rtems.h: Include config/rtems.h.
12037 * config/rs6000/rtems.h: Include config/rtems.h.
12038 * config/sh/rtems.h: Include config/rtems.h.
12039 * config/sh/rtemself.h: Include config/rtems.h.
12040 * config/sparc/rtems.h: Include config/rtems.h.
12041 * config/sparc/rtemself.h: Include config/rtems.h
12043 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
12045 * final.c (shorten_branches): Correctly compute length of
12046 asms without operands.
12048 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
12050 * configure.in: Add pj target.
12051 * configure: Regenerate.
12052 * config/pj: New directory.
12053 * config/pj/lib1funcs.S: New file.
12054 * config/pj/linux.h: New file.
12055 * config/pj/pj.c: New file.
12056 * config/pj/pj.md: New file.
12057 * config/pj/pjl.h: New file.
12058 * config/pj/t-pj: New file.
12059 * config/pj/xm-pj.h: New file
12061 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
12063 * toplev.c (rest_of_compilation): Run shorten-branches before
12066 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12068 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
12069 macros so that they're consistent with their names.
12070 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12071 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
12073 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12075 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
12076 modified inadvertently.
12078 2000-01-04 Joel Sherrill <joel@OARcorp.com>
12080 * configure.in (v850*-*-rtems*): New target.
12081 * configure: Regenerate.
12082 * config/v850/rtems.h: New file.
12084 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
12086 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
12087 (__gthread_key_create): Likewise.
12088 (__gthread_key_dtor): Likewise.
12089 (__gthread_once): Fix logic.
12090 (__gthread_key_delete): Cast away constness.
12092 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
12093 * invoke.texi: Document.
12094 * i386/mingw32.h (CPP_SPEC): Use.
12095 (LIBGCC_SPEC): Likewise.
12096 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
12098 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12100 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
12101 (HANDLE_PRAGMA_PACK): Undefine.
12102 (SLOW_UNALIGNED_ACCESS): Define.
12104 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12106 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12107 to default definition.
12108 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
12109 (store_fixed_bit_field): Call macro with word_mode and alignment.
12110 (extract_bit_field): Call macro with relevant mode and alignment.
12111 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
12112 to default definition.
12113 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
12115 (move_by_pieces_ninsns): Likewise.
12116 (clear_by_pieces): Likewise.
12117 (emit_push_insn): Likewise.
12118 (store_field): Call macro with relevant mode and alignment.
12119 (expand_expr): Likewise.
12120 (expand_expr_unaligned): Likewise.
12122 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12123 (SLOW_UNALIGNED_ACCESS): Define.
12124 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12125 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12126 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
12127 (toc_section): Likewise and .toc pseudo-op.
12128 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12130 (TEXT_SECTION_ASM_OP): Likewise.
12131 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12134 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
12135 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
12136 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
12137 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
12138 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
12140 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
12142 * regclass.c: Revert my Jan 4 change to loop cost computation.
12144 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12146 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
12149 2000-01-04 Stan Cox <scox@cygnus.com>
12151 * haifa-sched.c (build_control_flow): Change unreachable simple
12152 loop test to check if current block has only one predecessor.
12153 (find_rgns): Initialize degree. Use dest as degree index, not src.
12155 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12157 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
12159 * calls.c (expand_call): Likewise for
12160 `old_stack_arg_under_construction'.
12162 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
12164 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
12167 * gcc.c (execute): Likewise for `ut' and `st'.
12169 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
12171 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
12173 * jump.c (jump_optimize_1): Likewise for `temp2'.
12175 * local-alloc.c (block_alloc): Likewise for `r1'.
12177 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
12179 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
12180 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
12182 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
12185 * reload.c (find_reloads): Likewise for `goal_alternative_number'
12186 and `goal_earlyclobber'.
12188 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
12190 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
12192 * stupid.c (stupid_life_analysis): Likewise for `chain'.
12194 * unroll.c (copy_loop_body): Likewise for `copy'.
12196 * varasm.c (output_constructor): Likewise for `byte'.
12198 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12200 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
12201 all FP constants for constant->reg moves.
12202 (ix86_split_to_parts): Try to convert memory address into immediate
12203 when available in the constant pool.
12204 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
12206 (LEGITIMATE_CONSTANT_P): Return 1.
12207 * i386.md (pushsf): New splitter to convert constant pool memory
12208 reference to immediate.
12209 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
12212 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
12214 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
12215 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
12216 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
12217 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
12218 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
12220 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
12222 * ginclude/stdbool.h: Support compilation as C++.
12224 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12226 * fold-const.c (make_range): Don't try to reverse an unbounded range.
12228 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
12230 * regclass.c (regclass): Properly compute loop_cost. Adjust
12233 * regclass.c: Fix minor whitespace problems.
12235 2000-01-03 Anthony Green <green@cygnus.com>
12237 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
12238 Restore the pic register if required.
12240 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
12242 * c-common.c (format_char_info): Update comment.
12243 (check_format_info): Recognize 'z' modifier in the same way 'Z'
12244 was recognized. Emit warning for formats new in ISO C99 only
12245 if flag_isoc9x is not set.
12247 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
12249 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
12251 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
12253 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
12254 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
12255 (make_compound_operation): Choose cheaper alternative between
12256 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
12258 * regclass.c (op_costs): Remove global variable.
12259 (record_reg_classes): New parameter "op_costs" and "reg_pref".
12260 (record_operand_costs): Break out from ...
12261 (scan_one_insn): ... here.
12262 (dump_regclass): Make dumps nicer.
12263 (regclass): Dump preferrences choosed and changes done during passes.
12265 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12267 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
12269 2000-01-03 Jakub Jelinek <jakub@redhat.com>
12271 * config/sparc/sparc.c (gen_df_reg): New function.
12272 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
12273 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
12274 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
12275 movtf_cc_reg_sp64+1): Use it.
12277 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12279 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
12280 copied LABEL_DECLs.
12282 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12284 * config/i386/i386.c (ix86_expand_unary_operator): Function
12285 definition made void.
12286 (ix86_expand_binary_operator): Update outdated preceding comment.
12287 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
12290 * config/i386/i386.c (override_options): Fix option-name typo.
12292 2000-01-02 Mark Mitchell <mark@codesourcery.com>
12294 * system.h (CEIL): Define.
12295 * builtins.c (CEIL): Remove.
12296 * expmed.c (CEIL): Likewise.
12297 * expr.c (CEIL): Likewise.
12298 * stor-layout.c (CEIL): Likewise.
12300 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12302 * expr.c (store_constructor_field): Fix typo introduced with last
12305 2000-01-01 Mark Mitchell <mark@codesourcery.com>
12307 * tree.h (BINFO_N_BASETYPES): New macro.
12309 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
12311 * expmed.c (emit_store_flag): Prevent losing a pending stack
12312 adjust the same way we prevent losing queued increments.
12314 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12316 * function.c (update_temp_slot_address): Handle case where sum of
12317 temporary address plus offset in register is a valid address.
12319 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12321 * genrecog.c (change_state) Corrected typo.
12323 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12325 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
12326 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
12327 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
12329 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
12331 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
12332 case, expand GT comparisons correctly. Fix a comment before this
12335 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
12337 * dwarfout.c: Include "frame.h"
12338 * dwarf2out.c: Likewise.
12339 * Makefile.in (dwarfout.o): Depend on frame.h
12340 (dwarf2out.o): Likewise.
12342 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
12344 Restore i386 binary compatibility in Dwarf EH info.
12345 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
12346 value of FIRST_PSEUDO_REGISTER.
12347 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
12348 (struct frame_state): Use DWARF_FRAME_REGISTERS.
12349 * dwarfout.c (output_reg_number): Ditto.
12350 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
12351 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
12353 1999-12-29 Bruce Korb <autogen@linuxbox.com>
12355 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
12356 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
12357 (<hack>_RE_CT): not needed
12358 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
12359 rewritten to scan the file text once only
12360 "template<..." test added
12361 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
12362 (is_cxx_header): declaration added
12363 * fixinc/fixtests.c(is_cxx_header): removed
12364 (apply_fix_p_t): removed
12365 (double_slash_test): is_cxx_header is only called once now
12366 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
12367 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
12368 within the templates.
12369 The borken spelling of "broken" was fixed.
12370 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
12371 The default level depends on FIXINC_DEBUG.
12373 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12375 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
12376 Otherwise provide a declaration for atexit.
12377 (init_dummy): Make sure dummy call to atexit is nevertheless
12378 called with correct number of args.
12380 * frame.c: Update comments referring to other files.
12382 * libgcc2.c: Likewise.
12384 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12386 * cse.c (free_element, get_element): Remove unused prototypes.
12388 * fold-const.c (extract_muldiv): Initialize variables `op0' and
12391 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
12394 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
12396 * configure.in,configure: case arm for mn10200-*-* now sets
12397 float_format=i32 so that float.h will correctly claim "double"
12398 to be 32 bits. Ran autoconf to generate configure from .in file.
12400 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
12402 * pa.md (conditional zero): If op1 is a register, force it into
12403 the same register as op0.
12405 1999-12-28 Mark Mitchell <mark@codesourcery.com>
12407 * tree.h (BINFO_BASETYPES): Improve documentation.
12409 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12411 * configure.in (--enable-checking): Use a more portable `for'
12414 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12416 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
12417 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
12419 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
12422 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
12423 Delete descriptions.
12425 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
12426 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
12427 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
12428 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
12429 xm-svr4.h: Remove all instances of sys_siglist handling.
12431 1999-12-27 Jakub Jelinek <jakub@redhat.com>
12433 * config/sparc/sparc.md (cmp_zero_qi,
12434 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
12435 cmp_zero_extendqidi2_andcc_set): New patterns.
12437 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
12439 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
12440 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
12441 (fpgnulib.c, xfgnulib.c): Add rules.
12442 * m68k/t-mot3300-gas: Likewise.
12444 1999-12-27 Ian Lance Taylor <ian@zembu.com>
12446 * configure.in: Avoid [[ by using test and changequote. Add
12447 changequote required by 1999-12-14 change.
12448 * configure: Rebuild.
12450 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
12452 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
12454 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
12456 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
12457 * flow.c (find_use_as_address): Likewise.
12458 * function.c (fixup_var_refs_1): Likewise.
12459 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
12460 * jump.c (invert_exp, redirect_exp): Likewise.
12461 * loop.c (replace_call_address): Likewise.
12462 (count_nonfixed_reads): Likewise.
12463 * rtlanal.c (modified_between_p): Likewise.
12464 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
12465 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
12466 * unroll.c (remap_split_bivs): Likewise.
12468 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12470 * diagnostic.c (v_message_with_decl): Use .* format specifier
12471 instead of building the format specifier width manually.
12473 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
12474 determining whether to provide a prototype. Remove the
12475 sys_siglist clause in the conditional.
12477 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12479 * fold-const.c (operand_equal_p): Use memcmp to compare string
12481 Suggested by D. J. Bernstein
12483 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12485 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
12486 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12488 * config/mips/mips.h (TARGET_64BIT): Likewise.
12489 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
12490 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
12491 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
12492 dsps. Give routines proper names if SI/DI modes are not used.
12493 * longlong.h: Use DWunion instead of DIunion.
12495 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
12497 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
12498 GC_CHECKING, GC_ALWAYS_COLLECT.
12499 * configure.in: Allow --enable-checking with an argument
12500 listing check modes to enable.
12501 * config.in, configure: Rebuilt.
12502 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
12503 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
12504 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
12505 ENABLE_GC_ALWAYS_COLLECT.
12506 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
12508 * tree.h, tree.c: Change ENABLE_CHECKING to
12509 ENABLE_TREE_CHECKING throughout.
12511 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12513 * fold-const.c (fold_truthop): Properly check for FP RHS.
12515 1999-12-24 Mark Mitchell <mark@codesourcery.com>
12517 * toplev.h (note_deferall_of_defined_inline_function): Declare.
12518 * toplev.c (note_deferral_of_defined_inline_function): New
12519 function, split out from ...
12520 (rest_of_compilation): ... here. Use it.
12522 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12524 * expr.c (store_constructor): Don't call clear_storage if size is
12527 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12529 * Makefile.in (toplev.o): Depend on loop.h.
12531 * dwarfout.c: Include tm_p.h.
12533 * emit-rtl.c (restore_emit_status): Mark parameter with
12536 * final.c (final_scan_insn): Likewise.
12538 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
12539 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
12540 flow_depth_first_order_compute, flow_loop_pre_header_find,
12541 flow_loop_tree_node_add, flow_loops_tree_build,
12542 flow_loop_level_compute, flow_loops_level_compute,
12543 flow_loop_outside_edge_p): Add prototypes.
12544 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
12546 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
12547 Mark with ATTRIBUTE_NORETURN.
12549 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
12551 * local-alloc.c (no_conflict_p): Likewise.
12553 * loop.c (insert_bct): Hide definitions of variables with hidden
12555 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
12557 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
12558 with ATTRIBUTE_UNUSED.
12559 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
12560 (reg_scan): Likewise.
12562 * reload.c (find_reloads): Remove unused variables `changed'.
12564 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
12566 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
12567 Remove unused variable `insn'.
12569 * toplev.c: Include loop.h.
12570 (report_file_and_line): Remove unnecessary prototype.
12572 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
12574 * unroll.c (biv_total_increment): Likewise.
12576 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12578 * reload1.c (emit_input_reload_insns): Restore old behaviour
12579 wrt. 'special' reloads.
12581 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
12583 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
12584 hash.h. (cse.c): Don't depend on hashtab.h.
12586 * cse.c: Don't include hashtab.h.
12587 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
12589 * ggc-simple.c: Don't include hash.h.
12591 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
12593 * dwarf2out.c (add_abstract_origin_attribute): Call
12594 gen_abstract_function on our function context.
12596 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
12598 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
12600 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12602 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
12605 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12607 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
12608 constraints to "a!r".
12610 1999-12-21 Mark Mitchell <mark@codesourcery.com>
12612 * Makefile.in (calls.o): Depend on function.h.
12613 (alias.o): Likewise.
12615 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
12617 * reload1.c (emit_reload_insns): Break out code and variables into...
12618 (input_reload_insns, other_input_address_reload_insns,
12619 other_input_reload_insns, input_address_reload_insns,
12620 inpaddr_address_reload_insns, output_reload_insns,
12621 output_address_reload_insns, outaddr_address_reload_insns,
12622 operand_reload_insns, other_operand_reload_insns,
12623 other_output_reload_insns): ... new static variables, and...
12624 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
12625 do_output_reload): ... new functions.
12627 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12629 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
12631 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12633 * md.texi: Add c4x constraints documentation.
12635 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12637 * config/i386/dgux.c (struct option): Rename to
12638 lang_independent_option.
12639 (struct m_options): Add description field.
12640 (output_options): Rename option type, add sep declaration, output
12641 ix86_cpu_string and ix86_arch_string only if set.
12642 (output_file_start): Rename option type.
12644 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
12646 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
12648 (libgcc2.a): Similarly.
12650 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
12652 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
12653 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
12654 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
12656 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
12658 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
12659 Remove redundant initialization of "frexpon" and "expon".
12661 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12663 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
12665 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
12666 (store_constructor_field, expand_expr): Pass new arg.
12668 1999-12-20 Mark Mitchell <mark@codesourcery.com>
12670 * Makefile.in (explow.o): Depend on function.h.
12672 * stor-layout.c (set_sizetype): Fix typo.
12674 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
12676 * function.c (cfun): Renamed from current_function. All users
12678 * function.h (cfun): Rename declaration as well.
12680 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
12681 to be of type regset_head, not regset. All users changed by adding
12683 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
12685 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12687 * config/c4x/rtems.h: New file.
12689 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
12691 * reload1.c (spill_failure): Take class of failed reload as argument
12692 and print it. Caller changed.
12694 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12696 * rs6000.h (SUBTARGET_DEFAULT): New macro.
12697 (TARGET_SWITCHES): Allow subtargets to default switches.
12698 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
12700 1999-12-18 Mark Mitchell <mark@codesourcery.com>
12702 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
12705 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
12707 * cccp.c (main): Define __STDC_VERSION__ as necessary.
12708 * cppinit.c (cpp_handle_option): Likewise.
12710 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
12711 determine when to define.
12713 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
12715 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
12716 cmove with mismatched test and data modes.
12718 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
12720 * c-typeck.c (c_expand_start_case): Don't warn for long switch
12723 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12725 * alias.c: Minor reformatting.
12726 * flow.c: Likewise.
12727 * regs.h: Likewise.
12728 * stor-layout.c: Likewise.
12729 * fold-const.c: Likewise.
12730 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
12731 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
12733 (size_int_wide): Cache nodes even if garbage collecting.
12734 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
12735 of SAVE_EXPR has no side effects.
12736 * cse.c: Move a comment.
12737 * tree.c: Minor reformatting.
12738 (int_size_in_bytes): Return -1 if constant overflows.
12740 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12742 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
12744 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
12746 * objc/objc-parse.c: Regenerate. This file must be rebuilt
12747 after any change to c-parse.in, even if objc-parse.y didn't
12750 1999-12-18 David S. Miller <davem@redhat.com>
12752 * toplev.c (rest_of_compilation): Restore BLOCK tree
12753 reconstruction and branch shortening changes lost in
12754 December 18th change.
12756 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
12758 * config/arm/linux-elf.h: Change all instances of
12759 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
12760 * config/arm/uclinux-elf.h: Likewise.
12762 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
12764 * toplev.c (notice, vmessage, v_message_with_file_and_line,
12765 v_message_with_decl, file_and_line_for_asm,
12766 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
12767 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
12768 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
12769 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
12770 pfatal_with_name, fatal_io_error, need_error_newline,
12771 last_error_function, last_error_tick, announce_function,
12772 default_print_error_function, print_error_function,
12773 report_error_function, fnotice, error_with_file_and_line,
12774 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
12775 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
12776 warning_with_decl, warning_for_asm, warning, pedwarn,
12777 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
12779 (compile_file): Use fnotice instead of notice. Adjust call.
12781 * diagnostic.c: New file.
12783 * Makefile.in (OBJS): Include diagnostic.o
12784 (diagnostic.o): Define dependence.
12786 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12788 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
12791 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12793 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
12795 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
12797 * fixtests.c (is_cxx_header): New fn, split out of
12799 (else_endif_label): Allow "#endif // comment" in C++ headers,
12800 as determined by is_cxx_header.
12801 * fixfixes.c (else_endif_label_fix): Update comment.
12802 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
12804 * genfixes: Correct double thinko in commandline parsing.
12805 * hackshell.tpl: Generate correct sh syntax for bypass
12808 * inclhack.def (all): Whenever an inserted preprocessor
12809 conditional is split over multiple lines, use double
12810 backslashes in this file so the fixed header will be readable.
12812 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
12813 and add bypass entry for correct version of this header.
12814 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
12815 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
12817 (hpux8_bogus_inlines): New fix, split from...
12818 (ultrix_atof_param) ... here.
12819 (math_expression): Add bypass entry keyed to glibc comment
12820 indicating the problem has been dealt with; disable
12821 unnecessary sed operations; update commentary.
12822 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
12823 add select and bypass entries, simplify shell operation.
12824 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
12826 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
12827 ultrix_atof_param): Add select entry.
12828 (stdio_va_list, sunos_mather_decl): Add bypass entry.
12829 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
12830 comments with the fixes they describe.
12832 * c-parse.in (string action): Do not warn about ANSI string
12833 concatenation in system headers. Affects C parser only.
12834 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
12836 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12838 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
12839 compiling libgcc2 the macro depends always on arch cpp defines.
12841 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
12843 * loop.c (insert_loop_mem): Don't record MEMs from inside
12846 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
12848 * regclass.c (regclass): Do not use flowgraph when not optimizing.
12850 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
12851 notes too, create one when replacement failed, attempt to simplify
12853 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
12854 or REG_EQUIV notes.
12856 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12858 * crtstuff.c (__dso_handle): Declare.
12859 (__cxa_finalize): Likewise.
12860 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
12863 * invoke.texi: Document -fuse-cxa-atexit.
12865 * tree.h (ptr_type_node): Document.
12866 (const_ptr_type_node): Likewise.
12868 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12870 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
12871 (optimize_reg_copy_2): Likewise.
12872 (optimize_reg_copy_3): Likewise.
12873 (fixup_match_2): Likewise.
12874 (regmove_optimize): Likewise.
12875 (fixup_match_1): Liekwise.
12877 * i386.md (HI to SImode promoting splitters): Rewrite.
12878 (pushsf mem peep2): New.
12879 (testhi to andhi peep2): Remove.
12880 * i386.h (x86_promote_QImode): New.
12881 (TARGET_PROMOTE_QImode): New.
12882 (PREDICATE_CODES): Add promotable_binary_operator.
12883 * i386.c (x86_promote_QImode0: New.
12884 (promotable_binary_operator): New.
12885 * i386-protos.h (promotable_binary_operator): New.
12887 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
12889 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
12891 1999-12-16 Mark Mitchell <mark@codesourcery.com>
12893 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
12894 * function.c (insert_block_after_note): Remove.
12895 (retrofit_block): Likewise.
12896 (identify_blocks): Fix indentation.
12897 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
12898 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
12899 * function.h (insert_block_after_note): Remove prototype.
12900 (retrofit_block): Likewise.
12901 * integrate.c (expand_inline_function): Don't call
12902 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
12903 just expand_start_bindings. Use the block_map to remap old
12904 NOTE_BLOCKs to new ones.
12905 (integrate_decl_tree): Keep track of remapped blocks.
12906 * integrate.h (struct inline_remap): Add block_map.
12907 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
12908 NOTE_BLOCK on the notes.
12909 (expand_start_bindings): Rename to ...
12910 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
12911 (expand_end_bindings): Set NOTE_BLOCK.
12912 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
12913 reconstruct the BLOCK tree.
12914 * tree.h (expand_start_bindings): Macroize. Call ...
12915 (expand_start_bindings_and_block): New function.
12917 1999-12-16 Jakub Jelinek <jakub@redhat.com>
12919 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
12920 to match the format.
12922 1999-12-16 David S. Miller <davem@redhat.com>
12924 * expr.c (emit_move_insn_1): Only emit clobbers if one of
12925 the outputs is a SUBREG.
12926 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
12929 * config/sparc/sparc.c (epilogue_renumber): Add default case
12932 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12934 * toplev.c (rest_of_compilation): Run branch shortening after
12937 * regclass.c (loop_depth): Remove
12938 (scan_one_insn): Do not handle LOOP_NOTE insns.
12939 (regclass): Go through basic blocks and set loop_cost
12941 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
12943 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
12945 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12947 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
12948 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
12949 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
12951 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
12953 * loop.c (insert_loop_mem): Ignore memory clobbers.
12955 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
12958 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
12960 * profile.c: Remove redundant #include "output.h".
12962 * h8300.md (HImode preinc peephole): Fix typo.
12964 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12966 * function.c (retrofit_block): Abort if we don't find a suitable insn.
12967 (insert_block_after_note): Abort if we don't have a previous block.
12968 Remove FN parameter.
12969 * function.h: Adjust.
12971 1999-12-15 Mark Mitchell <mark@codesourcery.com>
12973 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
12974 argument more than once.
12976 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
12978 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
12980 1999-12-15 Jakub Jelinek <jakub@redhat.com>
12982 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
12984 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
12986 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
12987 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
12988 update stack_alignment_needed.
12989 (prepare_function_start): Initialize stack_alignment_needed
12990 * function.h (struct function): Add field stack_alignment_needed.
12992 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12994 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
12995 Handle live_throughout / dead_or_set instead of live_before /
12997 (save_call_clobbered_regs): Get register livenessinformation from
12998 chain->live_throughout.
12999 (add_stored_regs): New function.
13000 (insert_restore, insert_save): Add restored / saved registers to
13002 * global.c (reg_dies): New parameter chain.
13003 (reg_becomes_live): Third parameter is regs_set now.
13004 Changed all callers.
13005 (reg_dies): New parameter chain. Changed all callers.
13006 (build_insn_chain): Set live_throughout instead of
13007 live_before / live_after.
13008 * reload.h (struct insn_chain): Replace members live_before /
13009 live_after with live_throughout / dead_or_set.
13010 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
13011 instead of live_before / live_after.
13012 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
13013 (order_regs_for_reload, find_reg, finish_spills): Likewise.
13014 (choose_reload_regs_init): Likewise.
13015 * stupid.c (current_chain, find_clobbered_regs): Delete.
13016 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
13017 instead of chain->live_before / chain->live_after.
13018 (mark_hard_ref): New function.
13019 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
13021 1999-12-15 David S. Miller <davem@redhat.com>
13023 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
13025 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13027 * flow.c (calculate_loop_depth): Make global, remove prototype,
13028 rewrite to use new loop infrastructure.
13029 (find_basic_block): Remove calculate_loop_depth call.
13030 * toplev.c (rest_of_compilation): Call find_basic_block.
13031 * output.h (calculate_loop_depth): Declare.
13033 * flow.c (dump_flow_info): Dump loop_depth.
13034 (flow_loops_nodes_find): Increase loop_depth for basic block in the
13036 (flow_loops_find): Initialize the loop_depth for each basic block.
13038 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
13040 * tree.c (decl_function_context): Handle virtual functions.
13042 * tlink.c (scan_linker_output): Don't look in demangled name when
13043 looking for linker output keywords.
13045 * dwarfout.c (output_type): We can defer namespace-scope classes.
13047 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
13049 * regclass.c (record_reg_classes): Update comment for merging
13050 register class preferences in reg->reg copies. Tighten conditions
13051 for merging register class preferences in reg->reg copies.
13053 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
13055 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
13057 1999-12-14 Geoff Keating <geoffk@cygnus.com>
13059 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
13060 (INIT_SECTION_ASM_OP): Delete.
13061 (FINI_SECTION_ASM_OP): Delete.
13062 (STARTFILE_SPEC): Define to hold just crtbegin.o.
13064 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
13066 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
13067 the abstract origin wasn't emitted.
13069 * dwarf2out.c (class_scope_p): New fn.
13070 (gen_subprogram_die): Use it.
13071 (gen_variable_die): Use it. Tweak logic.
13072 (gen_struct_or_union_type_die): Check context_die to determine
13073 if we're function-local.
13074 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
13076 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13078 * loop.c (check_dbra_loop): Can't reverse a biv that has
13079 maybe_multiple set.
13081 1999-12-14 Nick Clifton <nickc@cygnus.com>
13083 * config/arm/arm.c: Add support for -mcpu=arm720 command line
13086 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13088 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
13089 for givs made from biv increments.
13091 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
13093 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
13094 * alpha.c (override_options): Recognize -mcpu=ev67.
13095 * alpha.h (CPP_CPU_EV67_SPEC): New.
13096 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
13097 (EXTRA_SPECS): Update.
13099 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
13101 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
13102 appropriate for -lang-c89 and -std=*.
13103 * cppinit.c (cpp_handle_option): Likewise.
13104 (new_pending_define): New, split out from cpp_handle_option.
13105 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
13106 or enable trigraphs for -ansi/-std=*.
13108 * ginclude/stdarg.h (__va_copy): New.
13109 (va_copy): Don't define for C89.
13111 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
13113 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
13114 for long long multiply-accumulate.
13116 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13118 * regclass.c (scan_one_insn): Set loop_cost to 1 when
13119 optimizing for size.
13121 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13123 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
13124 if something changed. Back out that part of yesterday's changes.
13126 * loop.c (loop_max_reg): New static variable.
13127 (loop_optimize): Initialize it. Eliminate one unnecessary call to
13129 (scan_loop): Call reg_scan_update whenever we may have added new
13130 registers, and update loop_max_reg.
13132 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13134 * regclass.c (record_reg_classes): Do not do the copying preferrencing
13135 when source does not die.
13137 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
13139 1999-12-14 Jakub Jelinek <jakub@redhat.com>
13141 * config/sparc/linux64.h (TARGET_LIVE_G0,
13142 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
13144 * config/sparc/linux.h (TARGET_LIVE_G0,
13145 TARGET_BROKEN_SAVERESTORE): Likewise.
13146 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
13147 TARGET_BROKEN_SAVERESTORE): Likewise.
13149 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
13150 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
13152 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
13153 as sparc64 block profiling register.
13154 * config/sparc/sparc.c (sparc_override_options): Allow block
13155 profiling with -m32.
13156 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
13157 profiling register.
13158 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
13159 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
13160 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
13162 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
13164 * config/sparc/sparc.h: Likewise.
13165 * config/sparc/xm-sysv4-64.h: Likewise.
13166 * config/float-sparc.h: Likewise.
13167 * glimits.h: Likewise.
13168 * longlong.h: Likewise.
13170 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
13171 (ASM_IDENTIFY_GCC): Remove.
13173 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
13175 * combine.c (combine_simplify_rtx): Don't make shared rtl.
13176 (simplify_logical): Likewise.
13178 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13180 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
13181 * cppfiles.c (INO_T_EQ): Likewise.
13183 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
13185 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
13186 * i386/mingw32.h (LIB_SPEC): Likewise.
13187 (STARTFILE_SPEC): Likewise.
13188 * i386/uwin.h (LIB_SPEC): Likewise.
13189 (STARTFILE_SPEC): Likewise.
13191 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
13192 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
13194 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
13196 * combine.c (combine_simplify_rtx): Fix order of checks for
13197 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
13199 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
13201 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
13202 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
13204 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13206 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
13208 * regclass.c (inv_reg_alloc_order): New array.
13209 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
13211 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
13212 counted_for_groups, counted_for_nongroups. Add fields rld and
13214 * reload.c (push_secondary_reload): Don't set nongroup field of
13216 (push_reload): Likewise.
13217 (find_reloads): Delete code to compute nongroup fields.
13218 * reload1.c (reload_insn_firstobj): New static variable.
13219 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
13221 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
13222 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
13223 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
13225 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
13227 (struct hard_reg_n_uses): Deleted.
13228 (potential_reload_regs): Deleted.
13229 (init_reload): Initialize spilled_pseudos and pseudos_counted.
13230 (reload): Don't try to allocate reload registers if we already know
13231 we have to make another pass. Call select_reload_regs. Free memory
13232 starting with reload_firstobj when starting another pass.
13233 Don't allocate spilled_pseudos.
13234 (calculate_needs_all_insns): Call copy_reloads for an insn that
13235 needs reloads; don't call calculate_needs.
13236 (spill_cost): New static array.
13237 (used_spill_regs_local): New static variable.
13238 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
13239 to compute potential_reload_regs.
13240 (find_reload_regs): Completely rewritten to use find_reg.
13241 (allocate_reload_reg): Don't test counted_for_groups or
13242 counted_for_nongroups. Lose NOERROR arg and code to give an error;
13243 all cllers changed.
13244 (choose_reload_regs): Add fallback code that uses the existing
13245 register allocation from find_reload_regs.
13247 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
13249 * flow.c (create_edge_list): Cast xmalloc return value.
13251 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
13253 * doprnt.c: Remove incorrect comment closure.
13255 * cse.c: Fix a few minor whitespace goofs.
13257 1999-12-13 Don Bowman <don@pixstream.com>
13259 * mips/vxworks.h: Fix problem with comment termination.
13260 (EXTRA_SECTIONS): Add in_sbss.
13261 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
13263 1999-12-12 David S. Miller <davem@redhat.com>
13265 * cse.c (struct cse_reg_info): Add hash_next member,
13266 reorder rest of struct for better packing on 64-bit
13268 (cse_reg_info_tree): Kill.
13269 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
13270 REGHASH_FN): New custom pow2 hash mechanism.
13272 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
13273 use a pow2 hash table.
13274 (get_cse_reg_info): Rework to use new REGHASH.
13275 (new_basic_block): Likewise, use HASH_SIZE, and inline
13277 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
13278 and inline free_element call.
13279 (lookup_as_function, insert, flush_hash_table, invalidate,
13280 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
13281 invalidate_for_call, use_related_value, find_comparison_args,
13282 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
13283 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
13284 get_element): Kill.
13286 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
13288 * cse.c (cse_basic_block): Free qty_table consistently.
13290 1999-12-12 David S. Miller <davem@redhat.com>
13291 Jakub Jelinek <jakub@redhat.com>
13293 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
13294 SUBREGs by hand, gen the appropriate hard reg directly.
13295 (movtf reg/mem split): Likewise and alter_subreg on destination
13297 (movtf mem/reg split): Similarly.
13298 (movdf_cc_sp64): Rename from hidden pattern.
13299 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
13300 (movtf_cc_sp64, following split): New pattern and splitter.
13301 (movdf_cc_reg_sp64): Rename from hidden pattern.
13302 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
13304 (movtf_cc_reg_sp64, following split): New pattern and splitter.
13306 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
13308 * loop.c (load_mems): Don't hoist written floating point mem
13311 1999-12-12 Mark Mitchell <mark@codesourcery.com>
13313 * except.h (struct eh_queue): Add `next' pointer.
13314 (struct eh_status): Make x_ehqueue a pointer.
13315 (push_ehqueue): Declare.
13316 (pop_ehqueue): Likewise.
13317 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
13319 (expand_fixup_region_end): Likewise.
13320 (expand_leftover_cleanups): Likewise.
13321 (push_ehqueue): Define.
13322 (pop_ehqueue): Likewise.
13323 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
13324 than doing it inline.
13325 (expand_start_all_catch): Adjust now that ehqueue is a
13327 (mark_eh_queue): Mark all level of the queue.
13328 (mark_eh_status): Adjust now that ehqueue is a
13330 (init_eh_for_function): Allocate ehqueue.
13331 (free_eh_status): Free it.
13332 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
13333 expansion for a fixup.
13335 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13337 * gthr-single.h (__gthread_active_p): Add prototype arguments.
13339 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
13340 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
13341 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
13342 function_ptr, getpagesize, __enable_execute_stack,
13343 __enable_execute_stack, __clear_insn_cache,
13344 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
13345 _cleanup, _exit, __default_terminate, __terminate_func,
13346 __terminate, __empty, __throw, new_eh_context,
13347 eh_context_initialize, eh_context_static, eh_context_specific,
13348 get_eh_context, __get_eh_context, __get_eh_info,
13349 init_reg_size_table, eh_threads_initialize,
13350 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
13351 __unwinding_cleanup, throw_helper, __throw, __rethrow,
13352 __pure_virtual): Add prototype arguments.
13353 (__bb_exit_func): Cast a sizeof to long when comparing against one.
13354 Cast a signed value to unsigned long when comparing against one.
13355 (new_eh_context): Wrap in _GTHREADS macro.
13356 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
13358 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
13359 (throw_helper): Initialize variables `handler_p' and `pc_p'.
13361 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13363 * combine.c (record_promoted_value): Remove unused variable
13366 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
13368 * global.c (record_conflicts): Likewise for `j'.
13370 * genoutput.c (output_insn_data): Don't unnecessarily cast away
13373 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13375 * i386-protos.h (output_387_binary_op, output_fix_trunc,
13376 output_fp_compare): Constify a char*.
13378 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
13380 (override_options, ix86_comp_type_attributes, print_operand,
13381 output_387_binary_op, output_fix_trunc, output_fp_compare):
13383 (ix86_sched_reorder): Mark parameter `clock_var' with
13386 * i386.h (DEBUG_PRINT_REG): Constify a char*.
13388 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
13390 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
13391 operand, for use in the Java front-end.
13393 1999-12-10 Ben Collins <bcollins@debian.org>
13395 * configure.in: Fix typo for "-64" in 64bit as check.
13396 * configure: Rebuilt.
13398 1999-12-10 Jakub Jelinek <jakub@redhat.com>
13400 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
13403 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13405 * c-parse.in (string): With -Wtraditional, warn if ANSI string
13406 concatenation is utilized.
13408 * invoke.texi (-Wtraditional): Document it.
13410 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13412 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
13413 Cast a ptrdiff_t to long and pass it to printf with %ld.
13415 1999-12-10 Geoff Keating <geoffk@cygnus.com>
13417 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
13418 68881, we have no 68881 registers at all.
13419 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
13420 value in a 68881 register if it is available.
13422 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
13424 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
13425 for long long multiply-accumulate.
13427 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
13429 * loop.c (insert_loop_mem): Undo last change.
13431 1999-12-10 David S. Miller <davem@redhat.com>
13433 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
13435 * config/sparc/sparc-protos.h: Add them.
13436 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
13437 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
13438 constraints which use those helpers.
13439 (EXTRA_CONSTRAINT): Use this new macro.
13440 * md.texi: Update sparc target constraints documentation.
13441 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
13442 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
13443 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
13444 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
13445 (movsf high/lo_sum split): Rework for new patterns.
13446 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
13448 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13450 * c-common.c (c_common_nodes_and_builtins):
13451 Create __builtin_ptrdiff_t and __builtin_size_t.
13453 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
13455 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
13457 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13459 * regclass.c (globalize_reg): Re-instate test that allows
13460 fixed registers to be declared as a variable even after functions
13463 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13465 * i386.md (cpu attribute): Add "athlon".
13466 (athlon_decode): New attribute.
13467 (Athlon scheduling units definitions): New.
13468 (fcmp and shld patterns): Set athlon_decode to "vector".
13469 * i386.c (athlon_cost): New.
13471 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
13472 x86_use_sahf): Set for Athlon.
13473 (x86_use_fiop): Unset for Athlon.
13474 (override_options): Define Athlon alignments and "athlon" name.
13475 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
13476 * i386.h (TARGET_ATHLON): New.
13477 (enum processor_type): Add PROCESSOR_ATHLON.
13478 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
13480 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
13482 1999-12-09 Andreas Jaeger <aj@suse.de>
13484 * loop.c (record_biv): Declare parameter as int.
13486 * config/i386/i386-protos.h: Declare long_memory_operand.
13488 1999-12-09 Mark Mitchell <mark@codesourcery.com>
13490 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
13491 EXPR_WITH_FILE_LOCATION.
13493 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13495 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
13498 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
13500 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
13503 1999-12-09 Jakub Jelinek <jakub@redhat.com>
13505 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
13506 default on linux64 again.
13507 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
13508 models for multilibing.
13509 * genmultilib: Accept | as alternative separator within a set in
13512 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
13514 * calls.c (precompute_arguments): Make sure initial_value contains
13515 value pseudo which CSE expects.
13516 * cse.c (struct set): New entry orig_src.
13517 (cse_insn): Set it early on entry, use it for libcall EQUIV note
13520 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
13522 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
13524 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
13526 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
13528 1999-12-08 Jakub Jelinek <jakub@redhat.com>
13530 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
13531 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
13533 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
13536 * longlong.h: Merge in changes from glibc.
13537 Also don't clobber %g2 register in 32bit SPARC assembly, so that
13538 -mno-app-regs libgcc can be compiled.
13539 * libgcc2.c: Add defines so that the updated longlong.h
13540 can be used in libgcc2.a. Also, make sure on most architectures
13541 (at least on all which have optimized code in longlong.h defined
13542 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
13544 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13546 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
13547 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
13548 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
13550 * configure: Rebuilt.
13552 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
13554 * alpha.c (secondary_reload_class): For !BWX, sub-simode
13555 outputs require a register.
13557 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
13559 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
13560 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
13561 functions like dptoul will be resolved.
13562 (libgcc2.a): Make sure that the object files from DPBIT are named
13563 differently (prefix `_dp') from those that would be coming from
13566 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
13568 * configure.in: When target is sparc* and tm_file contains 64,
13569 test for 64bit support in assembler. If not supported, remove
13570 sparc/t-sol2-64 from target-dependent Makefile fragments.
13571 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
13572 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
13573 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
13574 * acconfig.h (AS_SPARC64_FLAG): Added.
13575 * configure, config.in: Rebuilt.
13576 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
13577 support. Use AS_SPARC64_FLAG.
13579 1999-12-07 Jakub Jelinek <jakub@redhat.com>
13581 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
13582 suitable for holding OFmode values so that gcc works with complex
13584 (hard_64bit_mode_classes): Likewise.
13586 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
13587 so that it is actually matched.
13588 (sethi_di_medlow): Likewise.
13590 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
13591 as legitimate constant if -mvis.
13592 * config/sparc/sparc.md (movtf): Likewise.
13593 (clear_sf): Use const_double_operand.
13594 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
13596 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
13597 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
13598 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
13599 routines, _Qp_* cannot be handled like that now.
13600 (INIT_TARGET_OPTABS): Likewise.
13601 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
13602 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
13603 sparc_emit_float_lib_cmp if ARCH64 and soft float.
13604 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
13605 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
13606 divtf3, sqrttf3): New expanders.
13607 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
13608 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
13609 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
13612 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
13613 * configure: Rebuilt.
13614 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
13615 -mcpu is given and we're doing 64bit compiles.
13617 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
13619 * loop.h (struct induction): Add multi_insn_incr.
13620 * loop.c (basic_induction_var): New multi_insn_incr argument.
13621 Set it if we search back through previous insns for the biv.
13622 (record_biv): New multi_insn_incr argument; fill in struct induction.
13623 (strength_reduce): Discard an iv with multiple bivs, any of
13624 which require multiple insns to increment.
13626 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13628 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
13631 1999-12-06 David S. Miller <davem@redhat.com>
13633 * combine.c (check_promoted_subreg): Do not conditionalize this upon
13634 PROMOTE_FUNCTION_RETURN.
13636 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
13638 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
13639 and handle REG_UNUSED note on insn.
13641 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
13642 inner_mask instead of mask.
13644 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
13646 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
13647 zero if there was an error.
13649 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13651 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
13654 * longlong.h: Fix clobbers in SPARC asm statements.
13656 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
13657 valid sethi operations when TARGET_ARCH64.
13659 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
13660 always use move_by_pieces to avoid infinite recursion.
13661 (restore_fixed_argument_area): Likewise.
13663 * combine.c (check_promoted_subreg, record_promoted_value): New
13665 (combine_instructions): Use them to retain nonzero and sign bit
13666 information after SUBREGs are eliminated by optimizations in
13667 this pass if PROMOTE_FUNCTION_RETURN.
13669 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
13670 .register declaration. Don't use variables with __ prefixes.
13672 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13674 * fold-const.c (optimize_bit_field_compare): Only use one mode
13675 for both RHS and LHS in non-constant case.
13677 1999-12-06 Nathan Sidwell <nathan@acm.org>
13679 * frame.c (start_fde_sort): Only allocate erratic array, if
13680 linear one was allocated. Return allocated flag.
13681 (fde_insert): Only insert, if there's a valid array.
13682 (fde_end_sort): Split, sort and merge if linear and erratic
13683 arrays exist, else just sort linear one.
13684 (search_fdes): New function. Linear search through original fde
13686 (frame_init): Permit multiple initializations. Cope with
13688 (find_fde): Fallback on linear search, if failed to sort array.
13689 (__deregister_frame_info): Only free sorted array, if we
13692 1999-12-06 Jakub Jelinek <jakub@redhat.com>
13694 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
13696 1999-12-05 Jakub Jelinek <jakub@redhat.com>
13698 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
13700 1999-12-05 Mark Mitchell <mark@codesourcery.com>
13702 * tree.h (special_function_p): Declare.
13703 * calls.c (special_function_p): Make it global. Don't take `name'
13704 as a parameter. Fix typo in 1999-11-28 change.
13705 (expand_cal): Adjust.
13707 1999-12-04 Mark Mitchell <mark@codesourcery.com>
13709 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
13710 * tree.h (EXPR_WFL_FILENAME): Define in terms of
13711 EXPR_WFL_FILENAME_NODE.
13712 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
13714 * print-tree.c (print_note): Print TREE_PRIVATE and
13717 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
13718 the original die cannot be found.
13720 * varray.h (varray_head_tag): Add elements_used.
13721 (VARRAY_PUSH): New macro.
13722 (VARRAY_POP): Likewise.
13723 (VARRAY_TOP): Likewise.
13724 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
13726 * varray.c (varray_init): Initialize elements_used.
13727 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
13728 (INTEGRATE_H): New variable.
13729 (integrate.o): Depend on INTEGRATE_H.
13730 (unroll.o): Likewise.
13732 * function.h (insert_block_after_note): Declare.
13733 * function.c (insert_block_after_note): Split out from ...
13734 (retrofit_block): ... here.
13736 * stmt.c (expand_fixup): Fix typo in comment.
13738 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13740 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
13741 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
13742 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
13743 (regmove_optimize, fixup_match_1): Likewise.
13745 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13747 * flow.c (flow_loops_dump): Add missing argument when calling
13748 flow_loop_nested_p.
13750 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
13751 Greg McGary <gkm@gnu.org>
13753 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
13754 (init_attributes): Add A_NO_LIMIT_STACK.
13755 (decl_attributes): Handle A_NO_LIMIT_STACK.
13756 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
13757 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
13758 Handle stack bounds checking.
13759 * flags.h (flag_stack_check): Use the word 'probe' rather than
13760 'check', because the flag doesn't actually cause any checking to
13762 * function.c (expand_function_start): Set
13763 current_function_limit_stack.
13764 * function.h (struct function): Add limit_stack.
13765 (current_function_limit_stack): Define.
13766 * invoke.texi (Code Gen Options): Document new options.
13767 * rtl.h: Declare stack_limit_rtx.
13768 * toplev.c (stack_limit_rtx): New variable.
13769 (decode_f_option): Handle new options -fstack-limit-register=REG,
13770 -fstack-limit-symbol=IDENT, -fno-stack-limit.
13771 (main): Add stack_limit_rtx as GC root.
13772 * tree.h (DECL_NO_LIMIT_STACK): New macro.
13773 (struct tree_decl): New member no_limit_stack.
13775 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
13777 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
13778 (conditional_trap+1): Get new mnemonic correct.
13779 (conditional_trap+2): New pattern for DImode traps.
13781 * config/m68k/m68k.c (output_function_prologue): Handle
13783 * config/m68k/m68k.md (trap): New insn.
13784 (conditional_trap): New insn.
13785 * md.texi (Standard Names): Document `trap' and
13786 `conditional_trap'.
13787 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
13788 so a cc0 setter doesn't get emitted at some random place in the
13791 * config/i960/i960.md (trap): New insn.
13792 (conditional_trap): New expander.
13793 (conditional_trap+1, conditional_trap+2): New insns for signed
13794 and unsigned cases.
13795 * config/i960/i960.c (i960_function_prologue): Use
13796 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
13798 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
13799 Geoffrey Keating <geoffk@cygnus.com>
13801 * flags.h (warn_padded, warn_packed): Add global var decls.
13802 * toplev.c (warn_padded, warn_packed): Add global var defns.
13803 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
13804 * stor-layout.c (layout_record): Add local variable `type'
13805 to hold often-used TREE_TYPE (field). Add local variable
13806 `unpacked_align' to hold alignment that would be in force
13807 if no `packed' attribute were present. Warn if `packed' attribute
13808 is unnecessary, or even harmful. Warn when gcc inserts padding
13809 to satisfy alignment requirements of members. Use NULL_TREE
13810 when checking whether var_size is set.
13811 * invoke.texi: Document new flags.
13813 1999-12-03 Nathan Sidwell <nathan@acm.org>
13815 * frame.c (fde_split): Reimplement to avoid variable sized array.
13817 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13819 * combine.c (try_combine): Before fixing up LOG_LINKS for the
13820 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
13822 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
13824 * invoke.texi: Document the mips option -mno-crt0
13826 1999-12-02 Mike Karr <mkarr@mathworks.com>
13828 * cccp.c (argdata): Added free_ptr member.
13829 (macroexpand): Initialize free_ptr of each argument. When an
13830 argument's buffers are freed, if the argument's free_ptr corresponds
13831 to a buffer on the input stack, then return the free_ptr to that stack
13832 frame, otherwise, free it.
13833 (macarg): If an argument begins and ends on the same input stack level,
13834 then transfer the free_ptr of that buffer to the argument in case
13835 the stack is popped during the processing of a subsequent argument.
13837 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
13839 * loop.c (note_reg_stored): New function.
13840 (struct note_reg_stored_arg): New structure.
13841 (try_copy_prop): Change to be more conservative; only replace within
13842 one extended basic block and stop replacing if a store to the
13843 replacement reg is seen.
13845 1999-12-02 Nick Clifton <nickc@cygnus.com>
13847 * config/fp-bit.c: Initialise all fields of the NAN
13850 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
13853 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
13855 * i386.md (extend?f?f2): Force the input into a register, not
13858 1999-12-01 Jakub Jelinek <jakub@redhat.com>
13860 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
13862 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
13863 alternative because setting up 64bit constant is usually costly,
13864 especially when reload is in progress or completed.
13865 (movdf_const_intreg_sp64): Likewise.
13866 (movdf_const_intreg split): Fix building up constants when
13867 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
13869 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
13871 * combine.c (if_then_else_cond): Use const_true_rtx instead of
13872 const1_rtx for return values in EQ/NE comparison against (const_int 0)
13875 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
13876 (asm_file_start): Emit .am33 into assembly file when compiling for
13878 (print_operand_address): Handle POST_INC addresses.
13879 (can_use_return_insn, initial_offset): Check AM33 registers too.
13880 (expand_prologue): Check & save AM33 registers too.
13881 (expand_epilogue): Similarly.
13882 (secondary_reload_class): Handle AM33 specific secondary reloads.
13883 (output_tst): Emit efficient code for the AM33 too.
13884 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
13885 (TARGET_SWITCHES): Add -mam33 switch.
13886 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
13887 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
13888 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
13889 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
13890 (enum reg_class, REG_CLASS_NAMES): Likewise.
13891 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
13892 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
13893 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
13894 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
13895 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
13896 (HAVE_POST_INCREMENT): Define.
13897 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
13898 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
13899 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
13900 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
13901 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
13902 (zero_extend to SI from QI/HI): Likewise.
13903 (sign_extend to SI from QI/HI): Likewise.
13904 (mulsidi3, umulsidi3): New patterns for the AM33.
13905 (tstsi with zero extension from QI/HI): Add AM33 variants.
13906 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
13907 (return_internal_regs, store_movm): Handle new AM33 registers.
13908 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
13909 (LIBGCC, INSTALL_LIBGCC): Likewise.
13910 * invoke.texi: Document new flags.
13912 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
13914 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
13915 (addsi3_carry): Likewise.
13916 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
13917 (sbbsi3_carry): Likewise.
13918 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
13919 (mulhi3): Likewise.
13920 (test?i_1): Ensure that only one operand is memory.
13921 (conditional move patterns): likewise.
13922 (shift and rotate patterns): Rewrite to expander, add
13923 "binary_operator_ok" to the condition.
13925 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
13926 * i386.h (procesor_costs): Add movzbl_load field.
13927 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
13928 non-Q registers, accept DImode registers anywhere.
13930 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
13931 * i386.c (*_cost): Set value for movxbl_load field.
13933 * (addsi): New add to lea splitter.
13934 (ashlsi): Likewise.
13935 (lea to add/shift peep2): New.
13937 1999-12-01 Mark Salter <msalter@cygnus.com>
13939 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
13940 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
13941 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
13943 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
13945 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
13946 * i386.md (movsi_xor): New.
13948 (movsi_1, movhi_1, movqi_1): Remove.
13949 (movsi_2): Rename to movsi_1.
13950 (movhi_2): Rename to movhi_1.
13951 (movqi_2): Rename to movqi_1.
13952 (movdi_1): Remove; remove splitter.
13953 (movdi_2): Rename to movdi_1.
13954 (divmodsi4 splitter): Do not emit clobbers for move patterns.
13955 (long move peep2): Do not create QI or HI mode mov0s
13956 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
13958 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
13961 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
13962 (abs?f2_if): Likewise.
13964 1999-11-30 Alex Samuel <samuel@codesourcery.com>
13966 * ggc.h (ggc_test_and_set_mark): New macro.
13967 (ggc_mark_rtx): Use ggc_test_and_set_mark.
13968 (ggc_mark_tree): Likewise.
13969 (ggc_mark_rtvec): Likewise.
13970 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
13972 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
13974 * dwarf2out.c (scope_die_for): Only handle types. Only search for
13976 (decl_scope_table): Just an array of trees now.
13977 (push_decl_scope): Simplify.
13978 (dwarf2out_init): Adjust.
13979 (local_scope_p): New fn.
13980 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
13981 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
13982 (gen_typedef_die): Likewise.
13983 (gen_lexical_block_die): Don't call push/pop_decl_scope.
13984 (gen_inlined_subroutine_die): Likewise.
13985 (gen_abstract_function): Set current_function_decl temporarily.
13986 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
13987 Handle block extern declarations. Don't call push/pop_decl_scope.
13988 (gen_decl_die): Fix logic for block externs.
13990 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13992 * calls.c (special_function_p): Remove `realloc' and add `strdup'
13993 to the list of functions which have attribute malloc by default.
13995 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13997 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
13998 integer constant does not match the traditional type, limit the
13999 warnings to cases where the base of the type is ten.
14001 * invoke.texi (-Wtraditional): Document it.
14003 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14005 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
14006 * rs6000.md: Only access a CONST_INT with INTVAL
14008 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
14010 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
14011 (compute_nearerout): Likewise.
14012 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
14013 size_t to unsigned long for formatting.
14015 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14017 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
14018 Allow the user to override call-used/fixed state of %g2-5
14019 registers from the command line (with the exception of %g4 for
14021 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
14022 there is a higher chance of having a leaf function.
14023 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
14024 for ARCH64 which has %ccr register.
14025 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
14027 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
14028 insn accept into delay slot any insn which does not use %[ol]
14029 registers. Accept some LO_SUM and shift left by 1 for the normal
14031 (output_function_epilogue): Likewise.
14032 (epilogue_renumber): Added argument which inhibits any renumbering
14033 and just tests if the rtx does not use any %[ol] registers.
14034 (output_return): Reflect above change.
14036 1999-11-30 Jakub Jelinek <jakub@redhat.com>
14038 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
14039 aggregate passing for sizes <= 16 bytes.
14041 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
14043 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
14044 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
14045 * reload.c (find_dummy_reload): Likewise.
14046 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
14047 * reload1.c (reload_as_needed): Likewise.
14048 * stupid.c (stupid_find_reg): Likewise.
14049 * tm.texi (Obsolete Register Macros): Delete section.
14050 * gmicro.h: Remove all traces of the two macros.
14051 * i386.h: Likewise.
14052 * m88k.h: Likewise.
14053 * mips.h: Likewise.
14055 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
14057 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
14058 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
14059 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
14060 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
14061 units for the sparclite86x chip.
14062 (flush): Revert October 14th change; add SImode specifically.
14063 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
14064 * invoke.texi: Document it.
14066 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
14068 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
14069 psimode_truncation_operand.
14071 * config/mn10200/mn10200.c (psimode_truncation_operand): New
14072 function. Return true if the operand is either a MEM valid
14073 for a PSImode address or not a MEM at all.
14075 * config/mn10200/mn10200.md (truncsipsi2): Use
14076 psimode_truncation_operand.
14078 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14080 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
14081 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
14082 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
14083 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
14084 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
14085 (flow_loop_level_compute, low_loops_level_compute): Likewise.
14086 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
14087 * basic-block.h: Protect from multiple inclusion.
14088 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
14089 (struct loops, struct loop): Define structures.
14090 * sbitmap.c (sbitmap_a_subset_b_p): New function.
14091 * sbitmap.h: Protect from multiple inclusion.
14092 (sbitmap_a_subset_b_p): Add prototype.
14093 * Makefile.in (LOOP_H): New macro.
14094 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
14096 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
14098 * cppinit.c (CAT): The argument list of this macro may not contain
14101 1999-11-29 David S. Miller <davem@redhat.com>
14103 Move quantity tables and register equivalence chains into
14104 per-qty and per-register structure arrays respectively.
14105 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
14106 qty_const_insn, qty_comparison_code, qty_comparison_const,
14107 qty_comparison_qty): Delete, replace with...
14108 (qty_table): this structure table.
14109 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
14110 (reg_eqv_table): this structure table.
14111 (make_new_qty): Add argument MODE. Caller updated.
14112 Update to use qty_table and reg_eqv_table.
14113 (make_regs_eqv, delete_reg_equiv, insert_regs,
14114 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
14115 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
14116 cse_process_notes, cse_main, cse_basic_block): Likewise.
14118 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14120 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
14121 operation if C is negative.
14122 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
14123 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
14124 law for some divisions if constant is negative and change other
14125 divisions to the opposite rounding.
14127 * expr.c (store_constructor_field): If bit position is not multiple
14128 of alignment of TARGET's mode, use BLKmode.
14130 * expr.c (expand_expr_unaligned): Add more code from full case
14131 that is needed when OP0 is in a register.
14133 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14135 * dwarfout.c (field_byte_offset): Size can be zero if there was
14138 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14140 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
14141 (associate_trees): Delete unused var TEM.
14142 (extract_muldiv): Delete unused var CANCEL_P.
14144 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
14145 (target_isinf, target_isnan, target_negative): Add return types to
14146 function definitions.
14148 1999-11-29 Bruce Korb <autogen@linuxbox.com>
14150 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
14151 * fixinc/hackshell.tpl: ditto
14152 * fixinc/fixtests.c(double_slash_test): more C++ header testing
14153 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
14155 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
14157 * reload.c (push_reload): When looking for a register to put into
14158 reg_rtx, make sure all hard regs in a multi-reg register are in the
14159 right class and nonfixed.
14161 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
14162 pending_read_insns, pending_write_insns, pending_read_mems,
14163 pending_write_mems, pending_list_length, last_pending_memory_flush,
14164 last_function_call, sched_before_next_call): Move static variables
14166 (bb_ prefixed versions): Replace with single array bb_deps.
14167 (struct deps): New structure.
14168 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
14169 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
14170 argument of type "struct deps *"; use that instead of global
14171 variables. All callers changed.
14172 (init_rgn_data_dependencies): Delete function.
14173 (init_rtx_vector): Delete function.
14174 (init_deps): New function.
14176 (free_pending_lists): Simplify, we always use the bb_deps array even
14177 if only one basic block.
14178 (compute_block_backward_dependences): Likewise.
14179 (schedule_region): Likewise.
14181 (propagate_deps): New function, broken out of
14182 compute_block_backward_dependences.
14183 (compute_block_backward_dependences): Use it.
14185 * alpha.md: Delete useless patterns that tried to work around
14186 register elimination problems.
14188 * unroll.c (loop_iterations): Don't abort if iteration variable
14191 From Joern Rennecke:
14192 * reload1.c (reloads_conflict): Reverse test comparing operand
14193 numbers when testing for conflict between output/outaddr reloads.
14195 1999-11-29 David S. Miller <davem@redhat.com>
14197 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
14199 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
14201 1999-11-28 Robert Lipe <robertl@cygnus.com>
14203 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
14204 table from .fini into .dtor.
14206 1999-11-28 Anthony Green <green@cygnus.com>
14208 * tree.h (struct tree_decl): Add malloc_flag.
14209 (DECL_IS_MALLOC): Define.
14210 * c-common.c (attrs): Add A_MALLOC attribute.
14211 (init_attributes): Add this attribute to the table.
14212 (decl_attributes): Handle malloc attribute.
14213 * calls.c (special_function_p): Check for the malloc attribute.
14214 * extend.texi (Function Attributes): Document malloc attribute.
14216 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
14218 * pa.md (reload shift-add patterns): Remove.
14220 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14222 * reorg.c (dbr_schedule) Print more statistics. Corrected
14223 problem when printing info when 3 delay slots are filled.
14225 1999-11-28 Jakub Jelinek <jakub@redhat.com>
14227 * combine.c (setup_incoming_promotions): Pass an outgoing
14228 regno to FUNCTION_ARG_REGNO_P which it expects.
14230 1999-11-28 Andreas Jaeger <aj@suse.de>
14232 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
14234 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
14236 * cccp.c (do_include): Avoid initialization of automatic variable.
14238 * integrate.c (mark_stores): Function definition made void, to match
14239 previous declaration.
14240 * regclass.c (dump_regclass): Ditto.
14241 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
14243 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14245 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
14246 known to be multiple of divisor.
14248 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
14250 * combine.c (try_combine): Add code to try to merge a set of a
14251 two-word pseudo to a constant with a setting of one of those words
14254 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
14255 (split_tree): Completely rework to make more general.
14256 (make_range, fold): Call negate_expr.
14257 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
14258 (fold, associate): Call new split_tree and associate_trees.
14259 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
14261 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
14263 * loop.c (try_copy_prop): Avoid GNU C extension.
14265 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14267 * except.c (init_eh_for_function): Still zero eh_return_context,
14268 eh_return_stack_adjust, and eh_return_handler.
14270 * except.h (eh_status): Adjust documentation for x_protect_list.
14271 (begin_protect_partials): New function.
14272 * except.c (enqueue_eh_entry): Fix formatting.
14273 (get_first_handler): Add consistency check.
14274 (add_partial_entry): Adjust usage of protect_list.
14275 (emit_cleanup_handler): Save and restore ehqueue.
14276 (expand_start_all_catch): Add comment.
14277 (begin_protect_partials): New function.
14278 (end_protect_partials): Adjust usage of protect_list.
14279 (init_eh_for_function): Use xcalloc.
14281 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14283 * c-common.c (check_format_info): Don't call a variadic function
14284 with a non-literal format string.
14286 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
14288 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
14289 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
14292 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
14295 * collect2.c (collect_wait): Likewise.
14297 * dbxout.c (dbxout_type): Likewise.
14299 * gcc.c (do_spec_1): Likewise.
14301 * genemit.c (gen_insn, gen_expand): Likewise.
14303 * genrecog.c (write_switch, write_subroutine): Likewise.
14305 * mips-tfile.c (catch_signal, botch): Likewise.
14307 * print-rtl.c (print_rtx): Likewise.
14309 * toplev.c (default_print_error_function, report_error_function,
14310 _fatal_insn): Likewise.
14312 1999-11-25 Mark Mitchell <mark@codesourcery.com>
14314 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
14316 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14318 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
14319 operations when needed.
14320 * i386.md (fop_?f_comm): New.
14321 (fop_?f_1): Do not accept commutative operands.
14323 1999-11-25 Andreas Jaeger <aj@suse.de>
14325 * config/mips/mips.md (casesi_internal): Add missing brace.
14327 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
14329 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
14330 (splice_child_die): Handle moving a child DIE from the declaration
14331 DIE of a class to its specification.
14332 (gen_struct_or_union_type_die): Use 'complete' consistently.
14333 (gen_decl_die): Generate the virtual context DIE first.
14334 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
14336 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
14338 * config/mips/mips.md (call_value_multiple_interanal1): New.
14340 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
14342 * dwarf2out.c (free_AT, free_die): New fns.
14343 (remove_children): Call them.
14344 (output_line_info): Disable removal of duplicate notes.
14346 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
14347 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
14348 means pretend the type isn't defined.
14349 Don't defer emitting types.
14350 (gen_type_die_for_member): New fn.
14351 (gen_decl_die): Call it.
14352 (splice_child_die): New fn.
14353 (gen_member_die): Call it rather than generate duplicate dies.
14355 Defer emitting information for the abstract instance of an inline
14356 until we either inline it or emit an out-of-line copy.
14357 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
14358 from output_inline_function if DECL_ABSTRACT is also set.
14359 (block_ultimate_origin): Likewise.
14360 (gen_abstract_function): New fn.
14361 (gen_decl_die, gen_inlined_subroutine_die): Call it.
14362 (gen_subprogram_die): An abstract instance is not a declaration
14363 just because it doesn't match current_function_decl. Don't abort
14364 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
14365 has an abstract origin.
14366 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
14367 abstract instance here.
14369 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
14371 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
14372 where we need to reload fpul from a system register.
14374 1999-11-24 Andreas Jaeger <aj@suse.de>
14376 * config/mips/linux.h (CPP_PREDEFINES): Added.
14377 (LINK_SPEC): Remove -Y since this is only needed on sparc.
14379 1999-11-24 Andreas Jaeger <aj@suse.de>
14381 * config/mips/linux.h (TARGET_VERSION): Added.
14382 (HANDLE_SYSV_PRAGMA): Added.
14383 (DEFAULT_VTABLE_THUNKS): Added.
14385 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14387 * local-alloc.c (qty): New structure and static variable.
14388 (qty_phys_reg): Remove, all references changed to qty.
14389 (qty_n_refs): Likewise.
14390 (qty_min_class): Likewise.
14391 (qty_birth): Likewise.
14392 (qty_death): Likewise.
14393 (qty_size): Likewise.
14394 (qty_mode): Likewise.
14395 (qty_n_calls_crossed): Likewise.
14396 (qty_alternate_class): Likewise.
14397 (qty_changes_size): Likewise.
14398 (qty_first_reg): Likewise.
14399 (alloc_qty): Rename variable QTY to QTYNO.
14400 (finf_free_reg): Likewise.
14401 (local_alloc): Allocate qty, do not allocate the removed variables.
14403 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
14405 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
14406 when -membedded-pic is passed.
14408 * config/mips/mips.md (casesi): Handle 64-bit case too.
14409 (casesi_internal_di): New insn.
14411 * config/mips/mips.c (embedded_pic_offset): Always make the
14412 embedded-pic subtractions relative to the name of the current
14413 function by use of the magic string "..CURRENT_FUNCTION".
14414 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
14416 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
14418 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
14419 of (const_int 0), when what we really care about is
14420 whether it's a zero constant anyway.
14421 (div_trap_mips16): Likewise.
14423 1999-11-23 Mark Mitchell <mark@codesourcery.com>
14425 * loop.c (loop_optimize): Always find_loop_tree_blocks and
14426 unroll_block_trees when generating debuggable code.
14428 * tree.h (unsave_expr_1): New function.
14429 (lang_unsave): New variable.
14430 (get_callee_fndecl): New function.
14431 * tree.c (unsave_expr_now_r): New function.
14432 (lang_unsave): Define.
14433 (unsave_expr_1): Likewise.
14434 (unsave_expr_now_r): Split out from unsave_expr_now.
14435 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
14436 call unsave_expr_now_r.
14437 (get_callee_fndecl): Define.
14439 * Makefile.in (gencheck): Don't depend on lang_tree_files.
14440 (gencheck.o): Do depend on lang_tree_files.
14442 * integrate.h (copy_decl_for_inlining): New declaration.
14443 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
14444 (copy_decl_for_inlining): New function.
14445 (integrate_parm_decls): Use it.
14446 (integrate_decl_tree): Likewise.
14448 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
14450 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
14451 the second two from the first.
14452 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
14453 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
14454 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14456 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
14457 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
14460 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
14462 * pa.md (call_internal_symref, call_value_internal_symref): No mode
14463 needed on the address operand.
14464 * pa.c (call_operand_address): Check for the correct mode.
14466 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
14468 * loop.c: Include "basic-block.h".
14469 (try_copy_prop, replace_loop_reg): New functions.
14470 (load_mems): Detect registers that just hold copies of the hoisted
14471 mem, and call try_copy_prop to eliminate them.
14472 * Makefile.in (loop.o): Update dependencies.
14474 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
14476 * Makefile.in (gencheck.o): Depend on gencheck.h.
14477 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
14478 (insn-peep.o): Depend on except.h and function.h.
14479 (insn-attrtab.o): Depend on RECOG_H.
14480 (insn-output.o): Depend on toplev.h and flags.h.
14481 (gengenrtl.o): Depend on real.h.
14482 (gen-protos.o): Depend on cpplib.h and cpphash.h.
14483 Unify all dependencies to be on RECOG_H rather than recog.h.
14485 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14487 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
14488 * configure.in: Try building a bi-arch 32/64-bit compiler on
14489 sparc-*-solaris2.7 and higher.
14490 * configure: Rebuild.
14492 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
14494 * config/freebsd.h: New, FreeBSD architecture independent file.
14495 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
14496 independent pieces.
14497 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
14498 directly by i386/freebsd.h.
14499 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
14500 independent configuration file.
14501 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
14502 directly by i386/freebsd.h.
14503 * configure: Rebuilt.
14505 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
14506 which is in the user's namespace.
14507 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
14508 `i386' which is not in our namespace.
14510 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
14512 * invoke.texi (ARM Options): Add in -mno-alignment-traps
14514 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14516 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
14517 (add_dwarf_attr, add_child_die): Just push onto the front.
14518 (reverse_die_lists): New fn.
14519 (add_sibling_attributes): Use it.
14520 (push_decl_scope): Reorganize.
14521 (add_name_and_src_coords_attributes): Don't set file and line for
14522 an artificial decl.
14523 (gen_subprogram_die): An artificial function doesn't need to match
14525 (gen_compile_unit_die): Return the generated die. Only add
14526 AT_comp_dir if the filename is relative.
14527 (remove_AT): Simplify loop. Also free string values.
14528 (output_die): A DIE ref can't be null.
14529 (output_value_format, value_format): Take a dw_attr_ref.
14530 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
14531 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14532 AT_addr, AT_lbl): New fns.
14533 (various): Use them.
14534 (various): Constify.
14536 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14538 * combine.c (combine_simplify_rtx): When handling a SUBREG,
14539 take SUBREG_WORD into account.
14540 (if_then_else_cond): Likewise.
14542 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
14544 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
14545 clause from BSD license, pursuant with
14547 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
14549 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
14551 * loop.c (load_mems): Reformat slightly.
14552 * basic-block.h (regset_head): New typedef.
14553 (INIT_REG_SET): New macro.
14555 1999-11-22 Bruce Korb <autogen@linuxbox.com
14557 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
14558 (mips-dec-bsd*): non-functional code
14559 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
14561 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
14562 added three replacement fixes
14563 (no_double_slash): removed comments that are not (any longer) pertinent
14564 (bad_lval): this fix currently runs against many files.
14565 The comment seems to indicate that we should select for files
14566 containing 'pragma extern_prefix'.
14568 * fixinc/fixinc.x86-linux-gnu: deleted
14569 * fixinc/inclhack.sh: regen
14570 * fixinc/fixincl.x: regen
14571 * fixinc/fixincl.sh: regen
14573 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
14575 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
14576 its code is INSN and it has no notes.
14578 1999-11-22 Andrew Haley <aph@cygnus.com>
14580 * varasm.c (function_defined): Remove.
14581 (make_function_rtl): Don't set function_defined.
14582 (make_decl_rtl): Remove global register warning.
14583 * regclass.c (no_global_reg_vars): New variable.
14584 (globalize_reg): Warn if function has already been defined.
14585 (regclass_init): Set no_global_reg_vars.
14587 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
14589 * regclass.c (reg_pref): New structure and static variable
14590 (prefclass): Delete.
14591 (altclass): Delete.
14592 (all uses of prefclass and altclass): Use reg_pref instead.
14594 1999-11-21 Nick Clifton <nickc@cygnus.com>
14596 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
14598 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
14599 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14600 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
14602 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
14604 * varasm.c (output_constructor): Solve problem with long long
14605 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
14607 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14609 * global.c (allocno): New structure and static variable.
14610 (allocno_reg): Remove, all references replaced by allocno.
14611 (allocno_size): Likewise.
14612 (hard_reg_conflicts): Likewise.
14613 (hard_reg_preferences): Likewise.
14614 (hard_reg_copy_preferences): Likewise.
14615 (hard_reg_full_preferences): Likewise.
14616 (regs_someone_prefers): Likewise.
14617 (allocno_calls_crossed): Likewise.
14618 (allocno_n_refs): Likewise.
14619 (allocno_live_length): Likewise.
14620 (find_reg): Rename ALLOCNO to NUM.
14622 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
14623 references updated.
14624 (may_move_out_cost): New variable.
14625 (init_reg_sets_1): Initialize may_move_out_cost.
14626 (record_reg_classes): Use may_move_out_cost.
14628 * regclass.c (dump_regclass): New function.
14629 (regclass): New parameter DUMP, call DUMP_REGCLASS.
14630 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
14631 pass rtl_dump_file to regclass.
14632 * rtl.h (regclass): Update prototype.
14634 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14636 * i386.md (neg, not and abs patterns): Revmap to use
14637 ix86_expand_unary_operator and ix86_unary_operator_ok.
14638 (add?f and sub?f expanders): Force operand 1 to register.
14639 * i386.c (ix86_expand_unary_operator): Rewrite.
14640 (ix86_unary_operator_ok): Ensure that memory operands
14642 (ix86_binary_operator_ok): Do not allow operand 1 to
14643 come into memory and operand 0 not.
14644 (ix86_expand_binary_operator): Ensure that
14645 src1 is not non-matching memory.
14647 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
14648 to support integer registers and memory.
14649 (abss?2_integer): Likewise.
14651 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
14652 (REG_CLASS_NAMES): Likewise.
14653 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
14655 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
14656 (movsf): Likewise; unify 4th and 5th alternative.
14657 (pushdf): Likewise.
14658 (movdf_1): Likewise; rename to movdf_integer.
14659 (pushxf): Likewise; rename to pushxf_integer; fix output template;
14660 remove redundant splitter.
14661 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
14662 (movdf_nointeger): New.
14663 (movxf_nointeger): New.
14664 (pushxf_nointeger): New.
14666 * i386.md (extend?f?f): Split to expander and pattern, refuse two
14667 memory operands in patterns.
14668 (fop*): Refuse two memory operands.
14670 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
14671 on !TARGET_USE_CLTD CPUs.
14673 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
14675 * extend.texi: Document C++ restricted pointers and references.
14677 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
14679 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
14680 (invalidate_skipped_set): Call it unconditionally.
14681 (cse_set_around_loop): Likewise.
14683 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14685 * rtl.texi (mem): Add documentation for alias-set argument
14688 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14690 * i386.h (struct_processor_costs): New fields int_load, int_store,
14691 fp_move, fp_load and fp_store
14692 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
14694 (MEMORY_MOVE_COST): New macro.
14695 * i386.c (386_cost): Define new fields.
14696 (i486_cost): Likewise.
14697 (pentium_cost): Likewise.
14698 (pentiumpro_cost): Likewise.
14699 (k6_cost): Likewise.
14701 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
14702 Geoffrey Keating <geoffk@cygnus.com>
14704 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
14706 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
14709 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
14710 (TARGET_STRICT_ALIGNMENT): New macro.
14711 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
14712 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
14713 * invoke.texi (M680x0 Options): Document -mstrict-align.
14715 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
14716 Richard Henderson <rth@cygnus.com>
14718 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
14719 (ix86_split_long_move): Declare.
14720 * i386.c (split_xf, ix86_split_movdi): Remove.
14721 (ix86_split_to_parts, ix86_split_long_move): New.
14722 * i386.md (dimode move splitters): Use ix86_split_long_move.
14723 (dfmode move splitters): Likewise.
14724 (xfmode move splitters): Likewise.
14725 (movsf_1): Allow F->r.
14726 (movdf_1, movxf_1): Allow F->ro.
14728 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14730 * except.h (struct eh_entry): Add goto_entry_p.
14731 (eh_region_from_symbol): Remove prototype.
14732 * except.c (find_func_region_from_symbol): New function.
14733 (emit_cleanup_handler): Likewise.
14734 (eh_region_from_symbol): Make it static.
14735 (add_new_handler): Verify the argument.
14736 (find_func_region): Update comment.
14737 (expand_eh_region_end): Expand handlers here, rater than waiting
14738 until expand_leftover_cleanups or start_all_catch.
14739 (expand_leftover_cleanups): Don't expand here.
14740 (expand_start_all_catch): Or here.
14741 (expand_rethrow): Check the return value from find_func_region.
14742 * function.c (expand_function_end): Emit the catch_clauses.
14744 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
14746 * integrate.c (expand_inline_function): Add necessary check for NULL.
14748 1999-11-18 Nick Clifton <nickc@cygnus.com>
14750 * toplev.c (main): Correctly detect an unrecognised option.
14752 * cppinit.c (cpp_handle_option): Do not claim to have consumed
14753 a -f option if it has not been recognised.
14755 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
14757 * basic-block.h (update_life_extent): Remove trailing comma on
14758 enumeration type list.
14760 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14762 * varasm.c (output_constructor) Solved problem with long long
14763 bitfields. Corrected calculating this_time and shift. Also
14764 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
14766 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
14768 * flow.c (split_edge): Take looping structure into account when
14769 determining where to put the new block note.
14771 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
14773 * Makefile.in (ggc-none.o): Provide host specific version if
14776 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
14778 * cse.c (delete_trivially_dead_insns): Identify no-op insns
14779 containing subregs too.
14781 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
14783 * invoke.texi: Add documentation for -muninit-const-in-rodata.
14784 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
14785 (TARGET_UNINIT_CONST_IN_RODATA): Define.
14786 (text_section): Add switches -munint-const-in-rodata and
14787 -mno-uninit-const-in-rodata.
14788 (ASM_OUTPUT_COMMON): Remove.
14789 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
14790 const objects should be placed in read-only data. Otherwise declare
14793 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
14795 * jump.c (jump_optimize_1): Revert last change.
14797 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
14799 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
14800 test if optimizing for size.
14802 1999-11-17 Mark Mitchell <mark@codesourcery.com>
14804 * Makefile.in (toplev.o): Depend on except.h.
14805 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
14807 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
14809 * i386.md (divmodsi4): Rewrite to expander.
14810 (*divmodsi4_nocltd): New.
14811 (*divmodsi4_cltd): New.
14812 (divmodsi4 splitter): Handle the case when input comes in edx.
14813 (udivmodhi4): Do not use constraints in exander.
14814 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
14816 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
14818 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
14819 for the common case.
14821 1999-11-16 Jakub Jelinek <jakub@redhat.com>
14823 * explow.c (hard_function_value): Add outgoing argument.
14824 * expr.h (hard_function_value): Declare it.
14825 * calls.c (expand_call, emit_library_call_value): Update callers.
14826 * function.c (aggregate_value_p): Ditto.
14827 (diddle_return_value): Must look at the outgoing registers
14828 on archs with register windows.
14830 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
14832 * alpha.c (alpha_build_va_list): Use make_lang_type and
14833 initialize TYPE_NAME for the va_list record.
14835 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
14837 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
14839 * ggc.h (struct ggc_statistics): Rearrange elements for better
14840 packing on 64-bit hosts.
14841 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
14842 (compute_nearerout): Likewise.
14844 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
14846 * config/rs6000/rs6000.c (first_reg_to_save): Save
14847 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
14849 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
14851 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
14852 notion of nesting to find the DIE for a type or function.
14853 DIEs can go in limbo even if we got a context_die.
14854 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
14855 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
14857 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
14858 (gen_type_die): Writing out the context doesn't cause member class
14859 template instantiations to be written out as well.
14861 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
14863 * rs6000.h (ASM_OUTPUT_DEF): New.
14864 Based on proposed addition from David Edelsohn.
14866 1999-11-15 Robert Lipe <RobertLipe@usa.net>
14867 Bruce Korb <autogen@linuxbox.com>
14869 * fixinc/inclhack.def
14870 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
14871 (unixware7_byteorder_fix): added. Removes conflicts for new defs
14873 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
14874 (svr4_endian): enabled with SVR5
14875 (svr4_mkdev): simplified syntax and enabled with SVR5
14877 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
14879 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
14880 * configure: Rebuilt.
14881 * config/t-freebsd-thread: New file.
14883 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
14885 * i386.c (ix86_decompose_address): Verify the base is a REG
14886 before trying to examine its register number.
14888 * basic-block.h: Remove all #defines and prototypes related to
14890 (free_bb_mem, compute_preds_succs): Remove prototype.
14891 * rtl.h (free_bb_mem): Remove prototype.
14892 * flow.c (alloc_int_list_node); Remove function.
14893 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
14894 (compute_preds_succs, free_bb_mem): Likewise.
14895 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
14896 * toplev.c (rest_of_compilation): Likewise.
14897 * haifa-sched.c (build_control_flow): Use flow generated edge
14898 list to build the haifa specific edge list.
14899 (find_rgns): Use new CFG data structures instead of pred/succ lists.
14900 (schedule_insns): Do not build pred/succ lists anymore. Instead
14901 build the edge table.
14903 * basic-block.h (dump_bb_data): Remove declaration.
14904 * flow.c (dump_bb_data): Remove function.
14905 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
14906 (sbitmap_union_of_predsucc): Likewise.
14908 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
14909 argument. All callers changed.
14910 (delete_null_pointer_checks_1): No longer need to compute the
14913 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
14914 All callers changed.
14915 (pre_expr_reaches_here_p_work): Likewise.
14916 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
14917 * lcm.c (compute_laterin): Fix initialization of LATER.
14918 (compute_nearerout): Similarly for NEARER.
14920 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14922 * cse.c (set_nonvarying_address_components): Delete unused function.
14923 (refers_to_p): Likewise.
14925 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
14927 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
14930 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14932 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
14933 definition in do while (0).
14935 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
14937 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
14939 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
14941 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
14943 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
14945 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
14946 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
14947 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
14948 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
14950 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
14951 saved on the stack. Output more accurate stack frame statistics
14952 into assembler file.
14954 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
14956 * genextract.c (record_insn_name): New function.
14957 (get_insn_name): No longer a stub.
14958 (main): Call record_insn_name for each insn. After each label
14959 written, print the insn name in a comment.
14961 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14963 * output.h (const_section, init_section, fini_section): Add
14966 * alpha/elf.h (const_section): Delete declaration.
14968 * svr4.h (const_section): Likewise.
14970 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
14972 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
14973 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
14974 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
14976 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
14977 variable-sized array bounds.
14979 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
14981 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
14984 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14986 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
14987 addresses the same way GO_IF_LEGITIMATE_INDEX does.
14989 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14991 * cse.c (hash_arg_in_struct): Delete.
14992 (struct table_elt): Delete elt in_struct.
14993 (struct set): Delete elt src_in_struct.
14994 (merge_equiv_classes): Don't set either hash_arg_in_struct or
14995 the corresponding in_struct elts.
14996 (canon_hash): Likewise.
14997 (safe_hash): Likewise.
14998 (find_best_addr): Likewise.
14999 (record_jump_cond): Likewise.
15000 (cse_insn): Likewise.
15002 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
15004 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
15006 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
15009 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
15011 * function.c (diddle_return_value): Put back check that the DECL_RTL
15012 for the function is a register.
15014 * function.c (diddle_return_value): Use hard_function_value to
15015 get an rtx suitable for use in the USE/CLOBBER insn.
15017 * global.c (global_conflicts): Update comments.
15018 (record_conflicts): No need to record conflicts between pseudos here.
15020 1999-11-11 Bruce Korb <autogen@linuxbox.com>
15022 * fixinc/fixincl.c: Added verbose levels for status messages
15024 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15026 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
15027 operand as argument to expand_and or expand_binop.
15029 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
15031 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
15032 gcc_add_string_root.
15034 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
15036 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
15038 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
15040 * flow.c (compute_flow_dominators): Initially put all blocks on
15042 * lcm.c (compute_antinout_edge, compute_available): Similarly.
15043 * gcse.c (compute_cprop_avinout): Remove.
15044 (compute_cprop_data): Use compute_available.
15045 (delete_null_pointer_checks_1): Use compute_available.
15047 * basic-block.h (compute_available): Returns a void now.
15048 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
15049 to return a value anymore.
15050 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
15051 worklists. Fix boundary cases. Compute maximal solutions.
15052 (compute_laterin, compute_nearerout): Similarly.
15054 * dwarf2out.c (add_AT_location_description): Allow
15055 (mem (plus (pseudo) (...)) too.
15057 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
15059 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
15061 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
15062 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15064 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
15066 * gansidecl.h: Likewise.
15072 * toplev.h: Likewise.
15074 * tree.c: Likewise.
15076 * tree.h: Likewise.
15078 * varray.c: Likewise.
15080 * varray.h: Likewise.
15082 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
15084 * gcov.c (struct arcdata): Add hits and total, remove prob.
15085 (output_branch_counts): New.
15086 (process_args): Set output_branch_counts if -c.
15087 (calculate_branch_probs): Store hits and total instead of
15089 (output_data): Emit counts if output_branch_counts is true.
15090 * gcov.texi (Invoking Gcov): Document -c switch..
15092 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
15094 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
15095 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
15097 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
15099 * invoke.texi (C Dialect Options): Add missing builtins from
15100 c-common.c to list.
15101 * extend.texi (Other Builtins): Copy to this list.
15103 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15105 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
15106 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
15107 redundant bitmap.h.
15109 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
15111 * flow.c (compute_flow_dominators): No longer treat basic block 0
15112 or (n_basic_blocks - 1) specially. Clear the AUX field before
15113 starting computation of doms/pdoms. Fix initial state for pdoms.
15115 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15117 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
15118 match rtl.o's: added ggc.h and toplev.h
15119 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
15120 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
15121 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
15123 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
15125 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
15126 from HAVE_DOS_BASED_FILESYSTEM.
15127 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
15128 HAVE_DOS_BASED_FILESYSTEM.
15130 (split_directories): Only special-case DOS file names if
15131 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
15132 instead of explicit tests. Conditionalize on !VMS.
15133 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
15134 tests. Conditionalize on !VMS.
15135 (process_command): Only use make_relative_prefix if !VMS.
15136 (free_split_directories): Conditionalize on !VMS.
15137 (DIR_UP): Conditionalize on !VMS.
15139 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
15141 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
15143 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
15145 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
15148 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
15150 * invoke.texi (Environment Variables): Document relative path
15152 * gcc.c (DIR_UP): If not defined, define as "..".
15153 (standard_bindir_prefix): New static, holds target location to
15155 (split_directories): New function to split a filename into
15156 component directories.
15157 (free_split_directories): New function, release memory allocated
15158 by split_directories.
15159 (make_relative_prefix): New function, make a relative pathname if
15160 the compiler is not in the expected location.
15161 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
15162 can figure out an appropriate prefix from argv[0].
15163 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
15164 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
15165 STANDARD_BINDIR_PREFIX.
15167 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15169 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
15171 * config/c4x/c4x.h: Moved prototypes to c4x.h.
15172 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
15173 c4x_secondary_memory_needed) Delete.
15174 (fp_zero_operand): Add mode argument.
15176 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
15178 * reload1.c (reload_reg_free_for_value_p): Don't use a register
15179 that is in reload_reg_used.
15181 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
15183 * config/arm/arm-protos.h: New file: Prototypes for functions
15184 defined in arm.c and pe.c.
15185 * config/arm/arm.h: Fix compile time warnings.
15186 * config/arm/arm.c: Fix compile time warnings.
15187 * config/arm/pe.h: Fix compile time warnings.
15188 * config/arm/aout.h: Fix compile time warnings.
15190 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
15192 * config/m32r/m32r-protos.h: New file: Prototypes for functions
15195 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
15196 Add support for subtargets.
15197 Add prototypes for new predicates.
15198 Add scheduling macros.
15200 * config/m32r/m32r.c: Fix compile time warnings.
15201 (int8_operand): New predicate function.
15202 (reg_or_cmp_int16_operand): New predicate function.
15203 (extend_operand): New predicate function.
15204 (m32r_adjust_code): New scheduling function.
15205 (m32r_adjust_priorty): New scheduling function.
15206 (m32r_sched_init): New scheduling function.
15207 (m32r_sched_reorder): New scheduling function.
15208 (m32r_sched_variable_issue): New scheduling function.
15209 (direct_return): New codegen function.
15210 (m32r_not_same_reg): New rtl testsing function.
15212 * config/m32r/m32r.md: Fix compile time warnings.
15213 Add support for pre decrement and post increment memory
15215 Add S<cc> patterns.
15218 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15220 * global.c (EXECUTE_IF_CONFLICT): Don't define.
15221 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
15222 (find_reg): Likewise.
15224 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
15226 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
15227 to avoid assembler errors.
15229 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
15231 * config/v850/v850-protos.h: New file: Prototypes for functions
15233 * config/v850/v850.h: Move prototypes to v850-protos.h
15234 * config/v850/v850.c: Move prototypes to v850-protos.h
15235 * config/v850/v850.md: Fix compile time warnings.
15237 * config/fr30/fr30-protos.h: New file: Prototypes for functions
15239 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
15240 * config/fr30/fr30.c: Fix compile time warnings.
15241 * config/fr30/fr30.md: Fix compile time warnings.
15243 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
15245 * tree.h (get_containing_scope): Declare it.
15246 * tree.c (get_containing_scope): New fucntion.
15247 (decl_function_context): Use it.
15248 * toplev.c (rest_of_compilation): Use get_containing_scope.
15250 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15252 * Makefile.in (rtl.o): Depend on toplev.h.
15254 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
15256 * cse.c (delete_trivially_dead_insns): Replace alloca with
15258 * except.c (update_rethrow_references): Likewise.
15259 (init_eh_nesting_info): Likewise.
15260 * function.c (identify_blocks): Likewise.
15261 * gcse.c (dump_hash_table): Likewise.
15262 * graph.c (print_rtl_graph_with_bb): Likewise.
15263 * loop.c (combine_movables): Likewise.
15264 (move_movables): Likewise.
15265 (count_loop_regs_set): Likewise.
15266 (strength_reduce): Likewise.
15267 * profile.c (compute_branch_probabilities): New function, split
15269 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
15270 * regclass.c (regclass): Likewise.
15271 * regmove.c (regmove_optimize): Likewise.
15272 * toplev.c (compile_file): Likewise.
15273 (main): Don't mess with the stack rlimit.
15275 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
15277 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
15278 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
15280 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
15282 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
15284 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
15286 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
15287 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
15290 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
15292 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
15294 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
15296 * gcse.c (post_dominators): Kill.
15297 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
15298 (compute_code_hoist_data): Use compute_flow_dominators. Do not
15299 pass in a pdom array since we do not need pdoms.
15300 * haifa-sched.c (schedule_insns): Similarly.
15301 * flow.c (compute_dominators): Remove dead function.
15302 (compute_flow_dominators): Do not compute doms or pdoms if the
15303 caller does not request them. Split up loop to build doms and
15304 pdoms. Use a worklist to compute doms and pdoms.
15305 * basic-block.h (compute_dominators): Remove prototype.
15307 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
15309 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
15310 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
15311 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
15312 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
15313 (cant_move, fed_by_spec_load, is_load_insn): Remove.
15314 (schedule_region): Remove unused variable.
15315 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
15317 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
15319 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
15320 (update_equiv_regs): Likewise.
15321 (block_alloc): Likewise.
15322 * reg-stack.c (reg_to_stack): Likewise.
15323 (convert_regs_2): Likewise.
15324 * reload1.c (reload_as_needed): Likewise.
15326 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
15328 * Makefile.in (dbxout.o): Depend on ggc.h.
15329 (dwarf2out.o): Likewise.
15330 (xcoffout.o): Likewise.
15331 * dbxout.c: Include ggc.h.
15332 (dbxout_init): Register lastfile as a root.
15333 * dwarf2out.c: Include ggc.h.
15334 (dwarf2out_line): Register lastfile as a root.
15335 * xcoffout.c: Include ggc.h.
15336 (xcoffout_source_line): Register xcoff_lastfile as a root.
15338 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
15340 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
15342 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
15344 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
15346 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
15348 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15350 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
15351 (EXECUTE_IF_CONFLICT): Likewise.
15352 (ALLOCNO_LIVE_P): Avoid signed division.
15353 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
15354 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
15355 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
15357 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
15359 * haifa-sched.c (schedule_block): Don't crash if there's no
15360 next insn for an interblock movement.
15361 (add_branch_dependences): Don't allow clobber insns to move either.
15363 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
15365 * i386.c (split_xf): New.
15366 * i386-protos.h: Declare it.
15367 * i386.md (movxf_1): Add general regs alternatives.
15368 (movxf_1+1): New splitter for same.
15370 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
15372 * function.c (purge_addressof_1): Add missing return values.
15374 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
15376 * function.c (is_addressof): New function. Returns true if
15377 the given piece of RTL is an ADDRESSOF.
15378 (purge_addressof_1): Make boolean. Return false if the
15379 ADDRESSOFs could not be purged.
15380 (purge_addressof): If ADDRESSOFs could not be purged from the
15381 notes attached to an insn, remove the offending note(s),
15382 unless they are attached to a libcall.
15384 1999-11-05 Andreas Jaeger <aj@suse.de>
15386 * genoutput.c (null_operand =): Initialize all fields.
15388 * errors.h: Add extern to prototypes.
15390 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
15392 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
15393 * configure: Rebuilt.
15395 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15397 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
15398 (mirror_conflicts): New function.
15399 (global_alloc): Call it.
15400 (expand_preferences): Remove redundant CONFLICTP test.
15401 (find_reg, dump_conflicts): Likewise.
15402 (prune_preferences): Process conflicts one word at a time.
15404 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
15406 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
15407 instead of an explicit loop.
15409 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
15411 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
15412 if REG_RETVAL check succeeds, then put classp in src_elt.
15414 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
15416 * function.c (pad_to_arg_alignment): Only update argument_pad
15417 if the argument's alignment is greater than STACK_BOUNDARY.
15419 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
15421 * bitmap.h (BITMAP_XFREE): New.
15422 * flow.c (life_analysis): Use it.
15423 (life_analysis_1): Free blocks.
15425 * combine.c (undo_commit): New.
15426 (try_combine): Use it. Don't zap undobuf.undos.
15427 (combine_instructions): Don't zap undobuf.undos; free the
15428 undobuf.frees list.
15430 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
15432 * stmt.c (cost_table_): New.
15433 (estimate_case_costs): Use it instead of xmalloc.
15435 * toplev.c (compile_file): Reuse dumpname memory instead
15438 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
15440 * reg-stack.c (convert_regs_1): Initialize target_stack->top
15441 after verifying an EH edge.
15443 * haifa-sched.c (init_rgn_data_dependences): Correctly
15444 size bb_pending_lists_length when zeroing.
15446 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
15448 * function.c (diddle_return_value): New.
15449 (expand_function_end): Use it.
15450 * stmt.c (expand_null_return): Likewise.
15451 (expand_value_return): Likewise.
15453 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
15455 * reload1.c (reload): Don't remove return value clobbers.
15457 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
15459 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
15461 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
15463 * cse.c (cse_main): Use xmalloc, not alloca.
15464 (cse_basic_block): Likewise.
15465 * local-alloc.c (local_alloc): Likewise.
15467 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
15468 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15470 * rtl.c: Include toplev.h.
15471 (fatal): Remove declaration.
15473 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
15475 * haifa-sched.c (schedule_block): Fix thinko.
15477 1999-11-03 James McKelvey <mckelvey@fafnir.com>
15479 * fixinc/fixincl.c(create_file): Allow for systems that do not have
15480 S_IR* defined values
15482 1999-11-03 Philippe De Muyter <phdm@macqel.be>
15484 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
15485 call `malloc' instead.
15487 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
15489 * flags.h (flag_renumber_insns): Declare.
15490 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
15492 * rtl.h (renumber_insns): Change prototype.
15493 * toplev.c (flag_renumber_insns): Define.
15494 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
15496 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
15498 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
15499 and fpsqrtd. Use them and create fdiv function unit to more
15500 accurately represent fpu sqrt pipeline semantics on UltraSparc.
15501 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
15503 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
15505 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
15507 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
15508 insn into ready list, do not use just a raw swap.
15510 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
15512 * rtl.h (renumber_insns): New function.
15513 (remove_unnecessary_notes): Likewise.
15514 * emit-rtl.c (renumber_insns): Define.
15515 (remove_unncessary_notes): Likewise.
15516 * toplev.c (rest_of_compilation): Remove dead code.
15517 Use renumber_insns and remove_unncessary_notes.
15519 * gcse.c (struct null_pointer_info): New type.
15520 (get_bitmap_width): New function.
15521 (current_block): Remove.
15522 (nonnull_local): Likewise.
15523 (nonnull_killed): Likewise.
15524 (invalidate_nonnull_info): Take a null_pointer_info as input.
15525 (delete_null_pointer_checks_1): New function.
15526 (delete_null_pointer_checks): Use it.
15528 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
15529 (split_edges): Likewise.
15530 (schedule_block): Likewise.
15531 (compute_block_backward_dependencies): Likewise.
15532 (schedule_region): Likewise.
15533 (schedule_insns): Likewise.
15535 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
15537 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
15538 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
15539 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
15540 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
15541 * jump.c (delete_unreferenced_labels): Don't delete if
15542 LABEL_ALTERNATE_NAME is set.
15543 * print-rtl.c (print_rtx): Dump alternate name.
15544 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
15545 * rtl.h (LABEL_ALTERNATE_NAME): Define.
15546 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
15547 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
15549 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15551 * fix-header.c (recognized_extern, recognized_function): Constify
15554 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
15555 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15556 (compute_available): Remove unused variable `last'.
15557 (compute_nearerout): Remove unused variable `temp_bitmap'.
15558 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
15559 Remove unused variable `x'.
15561 * scan.h (recognized_function, recognized_extern): Constify a
15564 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
15566 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15568 * varasm.c (decode_rtx_const): Use XSTR to access the string
15571 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
15573 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
15575 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15577 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
15579 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
15581 * pa.c (ireg_operand): New function.
15582 * pa.h (PREDICATE_CODES): Handle ireg_operand.
15583 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
15584 Fix out of date comment.
15586 * pa.md (negdi2): Turn into expander + anonymous pattern.
15588 * reload.c (find_reloads): Fix typos in recent change.
15590 * dwarf2out.c: Do not include ctype.h.
15592 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15594 * regclass.c (record_reg_classes): Always use may_move_cost when
15595 seeing how operand fits with various register classes.
15597 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
15599 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
15600 * toplev.c: Revert Nov 1 13:22 change.
15602 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
15604 * config/pa/pa.md (height reduction patterns): Add checks for
15605 overlapping operands to avoid semantic-destroying splits for
15606 height reduction patterns.
15608 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15610 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
15611 have been an hyphen, fixed.
15612 * configure: Rebuilt.
15614 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
15616 * config/arm/tpe.h: Add prototypes for exported functions.
15617 * config/arm/pe.c: Fix compile time warnings.
15618 * config/arm/semi.h: Fix compile time warnings.
15619 * config/arm/arm.c: Fix compile time warnings.
15620 * config/arm/arm.h: Fix compile time warnings.
15621 * config/arm/arm.md: Fix compile time warnings.
15622 * config/arm/thumb.c: Fix compile time warnings.
15623 * config/arm/thumb.h: Fix compile time warnings.
15624 * config/arm/thumb.md: Fix compile time warnings.
15626 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
15628 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
15631 * unroll.c (unroll_loop): Remove LOOP notes when loop is
15632 completely unrolled.
15634 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15636 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
15638 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
15640 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
15641 * rtl.h (rtx_equal_p): Move prototype.
15642 * rtl.c (rtx_equal_function_value_matters): Move from
15644 (rtx_equal_p): Likewise.
15645 * rtlanal.c (rtx_equal_function_value_matters): Delete.
15646 (rtx_equal_p): Likewise.
15648 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
15650 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
15651 ! HAS_INIT_SECTION.
15653 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
15655 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
15657 * pa.h (ADDR_VEC_ALIGN): Define.
15659 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
15660 notes when presented with "if (foo) break; end_of_loop" and
15661 the break sequence gets moved out of the loop.
15663 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
15664 Remove explicit zero initializations of entries within MAP.
15666 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
15668 * reg-stack.c (convert_regs_1): Handle EH edges specially.
15670 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
15672 * bitmap.h (BITMAP_XMALLOC): New macro.
15673 * flow.c (CLEAN_ALLOCA): Remove.
15674 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
15675 (life_analysis): Likewise.
15676 (update_life_info): Don't use CLEAN_ALLOCA.
15677 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
15678 (calculate_global_regs_live): Likewise.
15679 (print_rtl_with_bb): Likewise.
15680 (verify_flow_info): Likewise.
15681 * global.c (global_alloc): Likewise.
15682 (global_conflicts): Likewise.
15683 * integrate.c (save_for_inline_nocopy): Likewise.
15684 (expand_inline_function): Likewise.
15685 * jump.c (jump_optimize_1): Likewise.
15686 (duplicate_loop_exit_test): Likewise.
15687 (thread_jumps): Likewise.
15688 * loop.c (loop_optimize): Likewise.
15689 (combine_givs): Likewise.
15690 (recombine_givs): Likewise.
15691 * reorg.c (dbr_schedule): Likewise.
15692 * unroll.c (unroll_loop): Likewise.
15694 * combine.c (combine_instructions): Use xmalloc instead of alloca.
15696 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
15698 * toplev.c (rest_of_compilation): Don't optimize the CFG
15699 when rebuilding, just before dbr.
15701 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15703 * output.h (assemble_end_function, assemble_destructor,
15704 assemble_constructor, assemble_gc_entry, assemble_global,
15705 assemble_label, output_constant_pool) Constify a char*.
15707 * varasm.c (assemble_destructor, assemble_constructor,
15708 assemble_gc_entry, assemble_end_function, assemble_global,
15709 assemble_label, output_constant_pool): Likewise.
15711 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
15713 * config/arm/thumb.c (thumb_expand_prologue): Add comments
15714 explaining what is goin on in this function.
15716 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15718 * regclass.c (record_reg_classes): In matching case, recompute
15719 costs since the direction of movement is different.
15721 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
15723 * resource.c (mark_target_live_regs): For unconditional branches,
15724 the resources found at the branch target should be added to the
15725 resources found so far, not intersected.
15727 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
15729 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
15731 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
15732 (sys/mman.h): Include this file only if #HAVE_MMAP.
15733 (run_compiles): Initialize `esac_fmt' with one old KR string, not
15734 with automatically concatenated ANSI strings.
15736 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
15738 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
15739 (DIV_ROUND_UP): Robustify.
15740 (ggc_recalculate_in_use_p): New function.
15741 (release_pages): Don't inline it.
15742 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
15744 (ggc_pop_context): Use ggc_recalculate_in_use_p.
15745 (clear_marks): Always save in_use_p.
15746 (sweep_pages): Use ggc_recalculate_in_use_p.
15747 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
15748 Release pages before counting statistics.
15750 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
15752 * toplev.c (rest_of_compilation): Fix thinko in this change:
15754 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15756 (rest_of_compilation): If inside an inlined external function,
15757 pretend we are just being declared.
15759 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
15761 * flow.c (calculate_global_regs_live): Fix thinko.
15763 * integrate.c (expand_inline_function): Fix bugs in previous
15764 change from Oct 28, 1999.
15766 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
15768 * stmt.c (expand_value_return): Fix typo in this change:
15770 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15771 (expand_value_return): Correctly convert VAL when promoting function
15772 return; support RETURN_REG being a PARALLEL.
15774 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
15776 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
15778 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15780 * hard-reg-set.h (reg_names): Constify a char*.
15782 * regclass.c (reg_names): Likewise.
15784 * regs.h (reg_names): Likewise
15786 * a29k/a29k.c (reg_names): Delete declaration.
15788 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
15790 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
15791 arc_output_function_epilogue): Likewise.
15793 * elxsi/elxsi.c (reg_names): Likewise.
15795 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
15797 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
15800 * m88k/m88k.c (output_function_profiler): Likewise.
15802 * sparc/sparc.c (sparc_flat_output_function_prologue,
15803 sparc_flat_output_function_epilogue): Likewise.
15805 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
15807 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
15808 warning from -Wuninitialized and put it under -W.
15809 * function.c (uninitialized_vars_warning): Warn only when the
15810 corresponding flag is set.
15812 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
15814 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
15815 is nonzero and the single set does not have an elt, then assign
15818 * simplify-rtx.c: New file.
15819 * Makefile.in (OBJS): Add simplify-rtx.o
15820 (simplify-rtx.o): Add dependencies.
15821 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
15822 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
15823 (cse_gen_binary, simplify_unary_operation): Delete.
15824 (simplify_binary_operation, simplify_plus_minus): Likewise.
15825 (check_fold_consts, simplify_relation_operation): Likewise.
15826 (simplify_ternary_operation): Likewise.
15827 (delete_trivially_dead_insns): Simplify the contents of the
15828 REG_EQUAL note before trying to substitute it into the source
15829 of the reg-reg copy at the end of a libcall sequence.
15831 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
15832 references/callers changed.
15834 * mn10200.c (mn10200_va_arg): Force the return value into a
15837 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
15839 * cccp.c (macroexpand): Avoid out of range accesses for omitted
15842 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
15844 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
15846 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
15848 * fold-const.c (fold): Fix thinko when optimizing comparisons
15851 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
15853 * gcc.texi (Passes): Update front-end files to their current
15856 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
15858 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
15859 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
15860 (PREDICATE_CODES): Add addition_operation.
15861 * alpha-protos.h (addition_operation): Declare.
15862 (secondary_reload_class): Likewise.
15863 * alpha.c (addition_operation): New.
15864 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
15865 * alpha.md (adddi3): Turn into expander.
15866 (*lda, *adddi_2): New.
15867 (movsf, movdf patterns): Don't preference integer regs.
15868 (movsi, movdi patterns): Don't preference fp regs.
15870 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
15872 * genrecog.c (write_switch): Check for duplicate CODE cases.
15874 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
15876 * ggc-common.c: Update pre-function commentary.
15877 * ggc-page.c: Likewise.
15879 (poison_pages): Use memset directly.
15880 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
15881 (ggc_collect): Poison before sweeping.
15882 * ggc-simple.c: Update pre-function commentary.
15883 (ggc_alloc_obj): Poison non-zeroed memory.
15885 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
15887 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
15888 match format string, even on 64-bit hosts.
15889 * gcc-page.c (ggc_page_print_statistics): Likewise.
15891 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
15893 * config/i386/i386.c (ix86_cpu): Revert last patch.
15894 * config/i386/i386.h (ix86_cpu): Ditto.
15896 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
15898 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
15899 TYPE_SIZE, convert type of result to sizetype.
15901 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
15903 * flow.c (count_or_remove_death_notes): Equate NULL with the
15906 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
15907 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
15910 * i386.c (pic_label_no): Delete.
15911 (ix86_attr_length_default): Don't use single_set to peek
15914 * recog.c (peephole2_optimize): Allow recog_next_insn to index
15915 the first insn after bb->end.
15916 * i386.md (push mem peeps): Scratch is live after evaluation
15918 (cmp mem peep): Similarly.
15920 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
15922 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
15923 * function.c (pad_to_arg_alignment): Add missing braces.
15925 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15927 * alpha/alpha-protos.h (literal_section): Add prototype.
15928 (alpha_need_linkage, alpha_start_function,alpha_end_function):
15931 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
15933 (alpha_start_function, alpha_end_function, float_strings,
15934 alpha_need_linkage): Constify a char*
15936 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
15938 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
15940 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
15942 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
15944 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15946 * flow.c (debug_flow_info): Add prototype.
15948 * gcc.c (main): Likewise.
15950 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
15953 * reload1.c (failed_reload, set_reload_reg): Likewise.
15955 * mips-tfile.c (main): Likewise.
15956 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
15957 with ATTRIBUTE_NORETURN.
15959 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
15961 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
15962 DECL is not a memory ref.
15964 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
15966 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
15967 * config/i386/i386.c (ix86_cpu): Add extern attribute.
15969 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
15971 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
15972 * config/mips/elf64.h: ditto.
15974 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
15976 * expr.c (emit_push_insn): New argument alignment_pad.
15977 Update all callers. Adjust stack pointer based on alignment pad.
15978 * function.c (pad_to_arg_alignment): New argument alignment_pad.
15979 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
15980 (locate_and_pad_parm): New argument alignment_pad. Update all
15982 * expr.h (emit_push_insn): Update prototype.
15983 (locate_and_pad_parm): Update prototype.
15984 * calls.c (arg_data): Add new field alignment_pad.
15985 (initialize_argument_information): Initialize alignment_pad.
15987 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
15989 * except.c (free_eh_nesting_info): Free the info itself.
15990 * function.c (free_after_compilation): Don't free NULL.
15991 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
15992 (pre_edge_insert): Free inserted.
15993 * stmt.c (free_stmt_status): Don't free NULL.
15995 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
15997 * gcov.c (DIR_SEPARATOR): Provide default.
15998 (output_data): Add test for MS-DOS format absolute filename.
15999 (fancy_abort): Correct program name.
16000 (open_files): Open all files in binary mode.
16001 * libgcc2.c (__bb_exit_func): Likewise.
16003 * profile.c (init_branch_prob): Specify binary when opening files.
16005 * flags.h (flag_unwind_tables): New decl.
16006 * toplev.c (flag_unwind_table): New definition.
16007 (f_options): Add -funwind-tables.
16008 (decode_g_option): Clarify warning when unknown -g option is given.
16009 (rest_of_compilation): If inside an inlined external function,
16010 pretend we are just being declared.
16012 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
16013 (dwarf2out_frame_finish): Likewise.
16015 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
16017 * fold-const.c (merge_ranges): If not in0, but in1, handle
16018 upper bounds equal like subset case.
16020 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
16022 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
16023 passed in a register but moved to the stack.
16025 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
16027 * gcc.c (pass_exit_codes, greatest_status): New variables.
16028 (struct option_map): Add entry for "--pass-exit-codes".
16029 (execute): Update greatest_status if error.
16030 (display_help): Add documentation for -pass-exit-codes.
16031 (process_command): Handle -pass-exit-codes.
16032 (main): Look at pass_exit_codes and greatest_status on call to exit.
16034 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16036 * reload.c (find_reloads): Refine test for no input reload
16037 case to not includes reloads emitted after insn.
16039 * function.c (find_temp_slots_from_address): Handle sum involving
16040 a register that points to a temp slot.
16041 (update_temp_slot_address): Make recursive call if both old and
16042 new are PLUS with a common operand.
16043 * calls.c (expand_call): Mark temp slot for result as having
16046 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
16048 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
16049 component as well as "BINUTILS".
16051 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
16052 * integrate.c (copy_rtx_and_substitute): Likewise.
16053 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
16054 All callers changed.
16055 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
16057 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
16058 gdb extensions, write size of type; also be more consistent
16059 in using references when this is a subtype.
16061 * pa.md (extv, extzv, insv): Use define_expand to reject constant
16062 that is out of range.
16064 * loop.c (unknown_constant_address_altered): New variable.
16065 (prescan_loop): Initialize it.
16066 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
16067 (invariant_p, case MEM): Remove handling for volatile and readonly;
16068 check new variable if readonly.
16069 (check_dbra_loop): Chdeck unknown_constant_address_altered.
16071 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
16072 (addr_affects_sp_p): Removed from note_mem_written and only
16073 define #ifdef AUTO_INC_DEC.
16075 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
16077 * regclass.c (record_reg_classes): Properly handle register move
16080 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
16081 Don't think valid if both operands are invalid.
16082 (struct constant_descriptor): New field RTL.
16083 (mark_const_hash_entry): Mark it.
16084 (record_constant{,_rtx}): Initialize it.
16085 (output_constant_def): Allocate RTL in permanent obstack and
16087 ({record,compare}_constant_1): Modes must match for
16088 CONSTRUCTOR of ARRAY_TYPE.
16090 * c-common.h (initializer_constant_valid_p): Delete decl from here.
16091 * output.h (initializer_constant_valid_p): Move decl to here.
16092 * c-common.c (initializer_constant_valid_p): Delete function from here.
16093 * varasm.c (initializer_constant_valid_p): Move function to here.
16095 * tree.h (STRIP_SIGN_NOPS): New macro.
16096 * fold-const.c (optimize_minmax_comparison): New function.
16097 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
16098 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
16099 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
16100 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
16101 widening conversions.
16102 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
16103 to look at size of mode, not precision of type; also add missing cases.
16104 (optimize_bit_field_compare, decode_field_reference): Don't try to
16105 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
16107 * dwarf2out.c (ctype.h): Include.
16108 (dwarf2out_set_demangle_name_func): New function.
16109 (size_of_line_info): Deleted.
16110 (output_line_info): Compute size of line info table from difference
16112 (base_type_die, add_name_attribute): Call demangle function, if any.
16113 (field_byte_offset): Use bits per word for variable length fields.
16114 (gen_array_type_die): Add array name.
16115 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
16116 (dwarf2out_add_library_unit_info): New function.
16118 * explow.c (set_stack_check_libfunc): New function.
16119 (stack_check_libfunc): New static variable.
16120 (probe_stack_range): Allow front-end to set up a libfunc to call.
16122 * combine.c (simplify_comparison): When making comparison in wider
16123 mode, check for having commuted an AND and a SUBREG.
16124 (contains_muldiv): New function.
16125 (try_combine): Call it when dividing a PARALLEL.
16126 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
16127 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
16129 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
16130 use one of the CLOBBERs instead.
16131 (if_then_else_cond): If comparing against zero, just return thing
16134 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
16135 Don't generate shifts and subtract if have conditional arithmetic.
16137 * rtl.h (delete_barrier): New declaration.
16138 * jump.c (jump_optimize): Set up to handle conditional call.
16139 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
16140 (delete_barrier): New function.
16142 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
16144 * recog.c (nonmemory_operand): Accept ADDRESSOF.
16146 * tree.c (build_type_attribute_variant): Push to obstack of
16147 ttype around type_hash_canon call.
16149 * expr.c (placeholder_list): Move decl to file scope.
16150 (expand_expr): Don't force access to volatile just because its
16152 If ignoring reference operations, just expand the operands.
16153 (expand_expr, case COMPONENT_REF): Propagate
16154 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
16155 Refine test for using bitfield operations vs pointer punning.
16156 (expand_expr, case CONVERT_EXPR): If converting to
16157 BLKmode UNION_TYPE from BLKmode, just return inner object.
16158 Use proper mode in store_field call.
16159 Properly set sizes of object to store and total size in store_field
16160 call for convert to union.
16161 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
16162 memory (like for ADDR_EXPR). Also, don't put constant in register if
16163 we'll want it in memory.
16164 (readonly_fields_p): New function.
16165 (expand_expr, case INDIRECT_REF): Call it if LHS.
16166 (expand_assignment): Handle a RESULT_DECL where
16167 DECL_RTL is a PARALLEL.
16168 (do_jump, case WITH_RECORD_EXPR): New case.
16169 (get_inner_reference): Always go inside a CONVERT_EXPR
16170 and NOP_EXPR if both modes are the same.
16171 (store_field): Use bitfield operations if size of bitsize is not same
16172 as size of RHS's type.
16173 Check for bitpos not a multiple of alignment in BLKmode case.
16174 Do block move in largest possible alignment.
16175 (store_constructor): Set BITSIZE to -1 for variable size and properly
16176 in case of array of BLKmode.
16177 (expand_expr_unaligned): New function.
16178 (do_compare_and_jump): Call it.
16180 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
16181 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
16182 does not include 'o'.
16184 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
16185 both SET_DEST and SET_SRC reference a virtual register.
16186 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
16188 * integrate.c (expand_inline_function): Handle case of setting
16189 virtual stack vars register (from built in setjmp); when parameter
16190 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
16191 (subst_constant): Add new parm, MEMONLY.
16192 (expand_inline_function, integrate_parm_decls): Pass new parm.
16193 (integrate_decl_tree): Likewise.
16194 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
16195 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
16196 (copy_rtx_and_substitute, case SET): Add explicit calls to
16197 copy_rtx_and_substitute for both sides.
16199 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
16201 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
16202 within INDEX_TYPE, instead of before.
16203 (fixup_gotos): Use f->target_rtl, not the next insn,
16204 since latter may be from a later fixup.
16205 (expand_value_return): Correctly convert VAL when promoting function
16206 return; support RETURN_REG being a PARALLEL.
16207 (expand_return): When checking for result in regs and having
16208 cleanup, consider PARALLEL in DECL_RTL as being in regs.
16210 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
16212 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
16213 last_nominal_fname): Mark const.
16214 (struct include_hash: name, nshort, control_macro): Mark
16216 (struct macrodef: symnam): Mark const.
16217 (struct if_stack: fname): Mark const.
16218 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
16219 (IStable): New character-syntax array which encompasses all
16220 the old is_foo arrays.
16221 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
16222 is_space): New macros for interrogating IStable.
16223 (check_macro_name): Kill last argument. All callers changed.
16225 * cppinit.c (initialize_char_syntax): Delete.
16226 (is_idchar, is_idstart, is_hor_space, is_space,
16227 trigraph_table): Delete.
16228 (IStable): New. Initialize with clever macros to avoid
16229 information duplication.
16230 (builtin_array): Table of builtins to get rid of explicit list
16231 in initialize_builtins.
16232 (initialize_builtins): Use builtins_array.
16233 (cpp_start_read): Call init_IStable, and set IStable['$'] if
16234 opts->dollars_in_ident.
16236 * cppexp.c: Change all refs to is_xyz[] arrays to use new
16238 (cpp_parse_expr): Avoid 'format string is not constant'
16239 warning. Use ISGRAPH to identify printable chars.
16240 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
16242 (read_and_prescan): Map trigraphs to chars with open-coded
16243 if-else-if-... sequence, not a lookup table.
16244 * cpphash.c: Change all refs to is_xyz[] arrays to use new
16246 * cpplib.c: Change all refs to is_xyz[] arrays to use new
16247 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
16248 (check_macro_name): Remove ability to report an invalid
16249 assertion name, which is never used.
16250 (do_line): Constify a couple of char *'s.
16251 * cppmain.c (main): Call cpp_cleanup before returning.
16253 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
16255 * ggc.h (struct ggc_statistics): New type.
16256 (ggc_get_size): New function.
16257 (ggc_print_statistics): Likewise.
16258 * ggc-common.c (ggc_stats): New variable.
16259 (ggc_mark_rtx_children): Keep statistics.
16260 (ggc_mark_tree_children): Likewise.
16261 (ggc_print_statistics): New function.
16262 * ggc-page.c (struct globals): Add bytes_mapped field.
16263 (alloc_anon): Update it.
16264 (release_pages): Likewise.
16265 (ggc_get_size): New function.
16266 (ggc_page_print_statistics): New function.
16267 * ggc-simple.c (ggc_get_size): New function.
16269 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
16271 * flow.c (propagate_block): When the last reference to a label
16272 before an ADDR_VEC is deleted because the reference is a dead
16273 store, delete the ADDR_VEC.
16275 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
16277 * resource.c (find_free_register): Don't use the frame pointer
16278 if frame_pointer_needed.
16280 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
16282 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
16283 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
16285 * config/i960/i960.c (i960_va_start): New locals base, num.
16286 Use INDIRECT_REF instead of ARRAY_REF on valist.
16287 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
16289 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
16291 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
16293 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
16295 * tree.def (PLACEHOLDER_EXPR): Update comments.
16297 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16299 * c-common.c (check_format_info): Avoid non-literal format string
16300 warnings when `first_arg_num' is zero.
16302 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16304 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
16306 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
16308 * arm.md (casesi_insn): Add a clobber of the condition code
16311 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
16313 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
16314 used by both cc1 and cc1plus.
16316 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
16318 * config/arm/arm.c: Initialise arm_structure_size_boundary to
16319 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
16320 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
16321 to the value 32 if it has not already been defined.
16322 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
16323 Override definition in arm.h with a value of 8.
16325 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
16327 * c-pragma.c (push_alignment): Don't check the return value
16330 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
16332 * sparc.h (ADJUST_COST): Fix thinko.
16334 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
16336 * cccp.c (rescan): Fixed obp pointer handling around call to
16337 check_expand subroutine.
16339 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
16341 * gcse.c (delete_null_pointer_checks): Only record non-null info
16342 for pseudos when examining stores.
16344 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
16345 splitters for these patterns. Use "#" for output templates.
16346 (addsi3_carryin_shift): New pattern.
16348 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
16350 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
16351 of the function return register into a plain REG until
16352 after function inlining is done.
16354 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
16356 * jump.c (jump_optimize_1): If we did cross-jumping, and
16357 the data will matter, rebuild the CFG.
16358 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
16359 not optimizing. Don't run shorten_branches.
16360 * toplev.c (rest_of_compilation): Run shorten_branches after
16363 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
16365 * rtl.h (note_stores): Add additional paramter.
16366 * rtlanal.c (reg_set_p_1): Take additional paramter.
16367 (reg_set_last_1): Likewise.
16368 (reg_set_p): Adjust call to note_stores.
16369 (reg_set_last): Likewise.
16370 (note_stores): Pass data parameter to worker function.
16371 * alias.c (record_set): Take additional parameter.
16372 (init_alias_analysis): Pass it.
16373 * caller-save.c (mark_set_regs): Take additional parameter.
16374 (save_call_clobbered_regs): Pass NULL to note_stores.
16375 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
16377 (record_dead_and_set_regs_1): Likewise.
16378 (reg_dead_at_p_1): Likewise.
16379 (combine_instructions): Adjust calls to note_stores.
16380 (try_combine): Likewise.
16381 (record_dead_insn): Remove.
16382 (record_dead_and_set_regs): Adjust calls to note_stores.
16383 (reg_dead_at_p): Likewise.
16384 * cse.c (invalidate_skipped_set): Take additional parameter.
16385 (cse_check_loop_start): Likewise.
16386 (cse_check_loop_start_value): Remove.
16387 (cse_set_around_loop): Adjust calls to note_stores.
16388 * flow.c (notice_stack_pointer_modification): Take additional
16389 parameter. Remove duplicate declaration.
16390 (record_volatile_insns): Adjust calls to note_stores.
16391 * gcse.c (record_set_info): Take additional parameter.
16392 (record_last_set_info): Likewise.
16393 (invalidate_nonnull_info): Likewise.
16394 (record_set_insn): Remove.
16395 (compute_sets): Adjust calls to note_stores.
16396 (last_set_insn): Remove.
16397 (compute_hash_table): Adjust calls to note_stores.
16398 (insert_insn_end_bb): Likewise.
16399 (delete_null_pointer_checks): Likewise.
16400 * global.c (mark_reg_store): Take additional parameter.
16401 (mark_reg_clobber): Likewise.
16402 (reg_becomes_live): Likewise.
16403 (global_conflicts): Adjust calls to note_stores.
16404 (build_insn_chain): Likewise.
16405 * integrate.c (note_modified_parmregs): Take additional parameter.
16406 (mark_stores): Likewise. Make it static.
16407 (save_for_inline_nocopy): Adjust calls to note_stores.
16408 (try_constants): Likewise.
16409 * integrate.h (mark_stores): Remove declaration.
16410 * jump.c (mark_modified_reg): Take additional parameter.
16411 (thread_jumps): Adjust calls to note_stores.
16412 * local-alloc.c (validate_equiv_mem_from_store): Take additional
16414 (no_equiv): Likewise.
16415 (reg_is_set): Likewise.
16416 (validate_equiv_mem): Adjust calls to note_stores.
16417 (update_equiv_regs): Likewise.
16418 (block_alloc): Likewise.
16419 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
16420 (note_addr_stored): Take additional parameter.
16421 (note_set_pseudo_multiple_uses): Likewise.
16422 (record_initial): Likewise.
16423 (prescan_loop): Adjust calls to note_stores.
16424 (strength_reduce): Likewise.
16425 (check_dbra_loop): Likewise.
16426 * regmove.c (flags_set_1): Take additional paramter.
16427 (mark_flags_life_zones): Adjust calls to note_stores.
16428 * reload1.c (mark_not_eliminable): Take additional parameter.
16429 (forget_old_reloads_1): Likewise.
16430 (reload_cse_invalidate_rtx): Likewise.
16431 (reload_cse_check_clobber): Likewise.
16432 (reload_combine_note_store): Likewise.
16433 (move2add_note_store): Likewise.
16434 (reload): Adjust calls to note_stores.
16435 (reload_as_needed): Likewise.
16436 (emit_reload_insns): Likewise.
16437 (reload_cse_regs_1): Likewise.
16438 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
16439 (reload_combine): Adjust calls to note_stores.
16440 * resource.c (update_live_status): Take additional paramter.
16441 (mark_target_live_regs): Adjust calls to note_stores.
16442 * stupid.c (find_clobbered_regs): Take additional parameter.
16443 (stupid_life_analysis): Adjust calls to note_stores.
16445 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
16447 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
16450 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
16453 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
16454 of the variable arm_structure_size_boundary.
16456 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16458 * alias.c (init_alias_analysis): Allocate reg_known_value and
16459 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
16461 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
16462 * cse.c (cse_main): Call end_alias_analysis.
16463 * haifa-sched.c (schedule_insns): Likewise.
16464 * local-alloc. (update_equiv_regs): Likewise.
16465 * reload1.c (reload_cse_regs): Likewise.
16467 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
16469 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
16470 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
16471 mapping from MASK_FPU.
16473 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
16475 * sparc.md (call): Don't bound structure return size to 0xfff.
16477 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
16479 * resource.c (mark_target_live_regs): Check that the target
16480 insn wasn't created after compute_bb_for_insn.
16482 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
16484 * ggc-page.c (poison_pages): Don't be overzealous.
16486 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
16488 * alias.c: Update comments for ADDRESS.
16489 (nonlocal_reference_p): Look inside the ADDRESS to determine if
16490 it is a local memory reference.
16492 * c-typeck.c (build_function_call): Check that the built-in
16493 function is of class BUILT_IN_NORMAL before trying to recongize
16494 it as BUILT_IN_ABS.
16495 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
16496 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
16498 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
16500 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
16502 (pre_gcse): Likewise.
16503 (hoist_expr_reaches_here_p): Likewise.
16504 (hoist_code): Likewise.
16505 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
16507 (pre_expr_reaches_here_p_work): ... here.
16508 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
16510 (expr_reaches_here_p_work): ... here.
16512 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
16514 * resource.c (find_basic_block): Delete.
16515 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
16516 (init_resource_info): Call compute_bb_for_insn.
16518 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
16520 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
16521 with already adjacent blocks, but no fallthru.
16522 (merge_blocks_move_successor_nojumps): Simplify.
16523 (debug_flow_info): New.
16525 * toplev.c (rest_of_compilation): Open jump1 dump file before
16526 jump and close after, as opposed to just using dump_rtl.
16528 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16530 * reload.h (earlyclobber_operand_p): Declare.
16531 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
16532 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
16533 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
16534 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
16536 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
16537 Richard Henderson <rth@cygnus.com>
16539 * emit-rtl.c (emit_block_insn_before): New.
16540 (emit_block_insn_after): New.
16541 * basic-block.h: Declare them.
16543 * bitmap.h: Protect from multiple inclusion.
16545 * recog.c (scratch_operand): Handle VOIDmode correctly.
16547 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
16549 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
16550 * function.c (assign_parms): Likewise.
16551 * global.c (global_conflicts): Clarify STACK_REGS commentary.
16553 * reg-stack.c (max_uid): Remove.
16554 (blocks, block_begin, block_end, block_drops_in): Remove.
16555 (block_stack_in, block_out_reg_set, block_number): Remove.
16556 (struct block_info_def, BLOCK_INFO): New.
16557 (enum emit_where): New.
16558 (current_block): New.
16559 (BLOCK_NUM): Remove.
16560 (mark_regs_pat, record_label_references): Remove.
16561 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
16563 (goto_block_pat, print_blocks, dump_stack_info): Remove.
16564 (reg_to_stack): Simplified test for existance of fp code. Use
16565 flow.c code. Call shorten_branches after cross-jump opt.
16566 (check_asm_stack_operands): Renamed from record_asm_reg_life.
16567 Return false if the asm doesn't use stack regs. Don't do life
16568 analysis on the asm.
16569 (emit_pop_insn): Replace function pointer arg `when' with
16570 enum `where'. Update all callers.
16571 (change_stack): Likewise. Update basic block end.
16572 (emit_swap_insn): Use current_block->head to limit reverse search
16573 for start of block. Use emit_block_insn_after.
16574 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
16575 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
16576 structure assignment instead of bcopy.
16577 (print_stack): New.
16578 (convert_regs_entry, convert_regs_exit): New.
16579 (convert_regs_1, convert_regs_2): Split out from convert_regs.
16580 Work on basic blocks and the CFG.
16581 (convert_regs): Use them.
16583 * i386.c (output_fix_trunc): Remove code for DImode input operand
16584 not at top-of-stack.
16585 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
16587 (fix_truncdi_1): Allow any mode scratch.
16589 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
16591 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
16592 * linux.h, netbsd.h, vms.h: Not here.
16594 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
16596 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
16597 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
16598 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
16599 CONDITIONAL_REGISTER_USEAGE): Use them.
16600 * config/mips/mips.c (mips_move_1word,mips_move_2words,
16601 gen_conditional_branch,override_options) : Use them.
16602 * config/mips/mips.md : Use them.
16604 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
16606 * i386.md (zero_extendqihi2): Use SImode register name with andl.
16608 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
16610 * integrate.c (function_cannot_inline_p): Don't allow inlining
16613 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16615 * c-parse.in (cast_expr): Constify.
16617 * cccp.c (special_symbol): Likewise.
16619 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
16621 * dwarf2out.c (base_type_die): Likewise.
16623 * global.c (allocno_compare): Likewise.
16625 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
16627 * regclass.c (fix_register): Likewise.
16629 * rtl.h (fix_register): Likewise.
16631 * stupid.c (stupid_reg_compare): Likewise.
16633 * toplev.c (decode_f_option): Likewise.
16635 * tree.c (build_complex_type): Likewise.
16637 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
16639 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
16641 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16643 * reload.c (find_reloads): Compute mode and nregs fields of all
16645 * reload1.c (calculate_needs_all_insns): Simplify a bit.
16646 (calculate_needs): Use precomputed mode/nregs values.
16647 (allocate_reload_reg): Likewise.
16649 (failed_reload, set_reload_reg): ... new functions.
16650 (choose_reload_regs_init): New function, mostly broken out from...
16651 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
16652 Also lose one #if 0 block.
16654 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
16656 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
16659 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
16661 * tree.h (BLOCK_TYPE_TAGS): Remove.
16662 (BLOCK_END_NOTE): Likewise.
16663 (BLOCK_LIVE_RANGE_FLAG): Likewise.
16664 (BLOCK_LIVE_RANGE_START): Likewise.
16665 (BLOCK_LIVE_RANGE_END): Likewise.
16666 (tree_block): Remove live_range_flag, live_range_var_flag, and
16667 type_tags. Remove end_note, live_range_start, and live_range_end.
16668 (remember_end_note): Remove prototype.
16669 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
16670 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
16672 * ggc-common.c (ggc_mark_tree_children): Don't mark
16673 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
16674 * integrate.c (adjust_copied_decl_tree): Remove.
16675 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
16676 * stmt.c (last_block_end_note): Remove.
16677 (init_stmt): Don't add a GC root for it.
16678 (expand_fixup): Don't set it.
16679 (remember_end_note): Remove.
16680 (expand_end_bindings): Don't set last_block_end_note.
16682 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16684 * reload1.c (reload_reg_free_for_value_p): Show
16685 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
16688 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
16690 * expmed.c (extract_bit_field): Allow for the case of non-integer
16691 objects that are smaller than a word (like SFmode on a 64-bit
16694 * loop.c (basic_induction_var): A non-integer variable which is
16695 being set by a paradoxical subreg is probably not a biv.
16697 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16699 * prefix.c (translate_name) Check for empty prefix string.
16701 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
16703 * Makefile.in (CPP_CROSS_NAME): New variable.
16704 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
16706 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
16707 names of the files to be uninstalled.
16709 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
16711 * collect2.c (IS_DIR_SEPARATOR): Define.
16712 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
16714 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
16717 * haifa-sched.c (add_dependence): Update the true dependency
16718 cache the first time we add a true dependence to the LOG_LINKS chain.
16720 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
16722 * fold-const.c (fold): Fix comment.
16724 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16726 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
16727 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
16728 dbxout_start_new_source_file, dbxout_source_file,
16729 dbxout_source_line, dbxout_finish, dbxout_type_fields,
16730 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
16732 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
16733 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
16734 (dbxout_block): Initialize variable `blocknum'.
16736 * dbxout.h (dbxout_init, dbxout_finish,
16737 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
16738 dbxout_args, dbxout_source_line): Constify a char*.
16740 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
16741 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
16742 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
16743 low_pc_attribute, high_pc_attribute, body_begin_attribute,
16744 body_end_attribute, comp_dir_attribute, sf_names_attribute,
16745 src_info_attribute, mac_info_attribute, producer_attribute,
16746 lookup_filename, generate_macinfo_entry, fundamental_type_code,
16747 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
16748 dwarfout_undef): Constify a char*.
16749 (add_incomplete_type, retry_incomplete_types): Add prototypes.
16751 * dwarfout.h (dwarfout_define, dwarfout_undef,
16752 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
16754 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
16756 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
16757 (MULTILIB_ISA_DEFAULT): New.
16758 (MULTILIB_DEFAULTS): Use it.
16759 * config/mips/mips.c (): Remove the now unnecessary definition
16760 of MIPS_ISA_DEFAULT.
16761 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
16762 unnecessary definition.
16764 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
16766 * arm.md (pic_load_addr): Add constraints to operand 1.
16768 1999-10-25 Bruce Korb <autogen@linuxbox.com>
16770 * fixinc/genfixes: Provide a means for specifying -D options to
16773 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
16775 * arm.c (arm_override_options): Correct initialization of
16776 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
16777 arm_is_strong, and arm_is_6_or_7.
16779 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
16780 (note_set_pseudo_multiple_uses): New function.
16781 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
16782 if a pseudo set in the loop exit is used elsewhere.
16784 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
16786 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
16788 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
16790 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
16791 a single load-address pattern.
16793 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
16795 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
16796 depending on whether or not line-number notes are present.
16798 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16800 * cccp.c (progname, file_buf, default_include, include_file,
16801 macrodef, definition, hashval, wchar_type, user_label_prefix,
16802 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
16803 expand_to_temp_buffer, is_system_include, base_name,
16804 absolute_filename, read_name_map, open_include_file,
16805 record_control_macro, check_precompiled, check_preconditions,
16806 pcfinclude, pass_thru_directive, create_definition,
16807 check_macro_name, comp_def_part, collect_expansion,
16808 check_assertion, read_token_list, assertion_install,
16809 assertion_lookup, eval_if_expression, conditional_skip,
16810 validate_else, skip_quoted_string, quote_string, macarg1,
16811 error_from_errno, install, lookup, hashf, dump_defn_1,
16812 perror_with_name, pfatal_with_name, main, trigraph_pcp,
16813 check_white_space, rescan, handle_directive, monthnames,
16814 special_symbol, do_include, remap_include_file, write_output,
16815 arglist, do_assert, do_unassert, do_line, do_error, do_once,
16816 do_ident, do_sccs, do_xifdef, skip_if_group,
16817 output_line_directive, macroexpand, macarg, change_newlines,
16818 initialize_builtins, make_definition): Constify a char*.
16820 * pcp.h (stringdef): Likewise.
16822 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
16824 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
16827 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
16828 Richard Henderson <rth@cygnus.com>
16830 * alias.c: Include ggc.h.
16831 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
16832 (record_set): Verify enough room in reg_base_value.
16833 (init_alias_analysis): Allocate reg_base_value with xcalloc.
16834 Register it as a GC root.
16835 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
16836 * Makefile.in (alias.o): Depend on ggc.h.
16838 * unroll.c (unroll_loop): Verify the insn before a barrier
16839 is a JUMP_INSN before checking JUMP_LABEL.
16841 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16843 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
16844 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
16845 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
16846 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
16847 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
16848 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
16850 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16852 * output.h (ctors_section, dtors_section, bss_section): Prototype.
16854 * alpha/alpha-interix.h (text_section): Delete prototype.
16855 * alpha/elf.h (text_section): Likewise.
16856 * arm/linux-elf.h (text_section): Likewise.
16857 * arm/linux-telf.h (text_section): Likewise.
16858 * c4x/c4x.h (text_section): Likewise.
16859 * dsp16xx/dsp16xx.h (bss_section): Likewise.
16860 * elfos.h (text_section): Likewise.
16861 * i386/aix386ng.h (text_section): Likewise.
16862 * i386/i386-interix.h (text_section): Likewise.
16863 * i386/sco5.h (text_section): Likewise.
16864 * i386/svr3gas.h (text_section): Likewise.
16865 * nextstep.h (text_section): Likewise.
16866 * psos.h (text_section): Likewise.
16867 * ptx4.h (text_section): Likewise.
16868 * svr3.h (text_section): Likewise.
16869 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
16871 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16873 * final.c (peephole): Delete prototype.
16875 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
16876 (pre_insert_copies): Remove unused variable `bb'.
16878 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
16881 * output.h (peephole): Add prototype.
16883 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
16885 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
16888 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
16890 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
16891 for inlined declarations.
16893 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
16895 * arm.c (logical_binary_operator): New fucntion.
16896 * arm.h (logical_binary_operator): Declare it.
16897 (PREDICATE_CODES): Handle logical_binary_operator.
16898 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
16899 output constraints. Add appropriate splitters.
16900 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
16901 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
16902 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
16904 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16906 * genoutput.c (struct operand_data): New elt eliminable.
16907 (output_operand_data): Write it.
16908 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
16909 (compare_operands): Take it into account.
16910 * recog.h (struct insn_operand_data): New elt eliminable.
16911 * reload1.c (check_eliminable_occurrences, elimination_effects): New
16913 (old_asm_operands_vec, new_asm_operands_vec): Delete.
16914 (eliminate_regs): Move code that detects changes to elimination
16915 target regs into new function elimination_effects.
16916 Delete one #if 0 block.
16917 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
16918 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
16919 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
16920 Only call eliminate_regs for real operands of the insn, not for parts
16921 of its structure or parts matched by things like match_operator.
16922 Use elimination_effects and check_eliminable_occurrences. Use
16923 copy_insn to duplicate the pattern when not in the final pass.
16925 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
16927 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
16930 1999-10-22 Bruce Korb <autogen@linuxbox.com>
16932 * fixinc/README: document the "mach" machine matching test
16933 * fixinc/fixfixes.c: Implement the #else/#endif label fix
16934 * fixinc/fixtests.c: Implement the #else/#endif label test
16935 * fixinc/inclhack.def: utilize these tests and fixes
16936 * fixinc/inclhack.sh: regen
16937 * fixinc/fixincl.x: regen
16938 * fixinc/fixincl.sh: regen
16940 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
16942 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
16945 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
16947 * gcc.1: Document exit codes.
16949 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16951 * calls.c: Include tm_p.h later, so everything we need is defined.
16952 * expr.c: Likewise.
16953 * function.c: Likewise.
16955 * except.c: Include tm_p.h.
16957 * sparc.c: Likewise.
16958 (dwarf2out_cfi_label): Don't prototype.
16959 (check_return_regs, epilogue_renumber,
16960 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
16961 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
16962 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
16963 ultra_schedule_insn): Add static prototype.
16964 (data_segment_operand, text_segment_operand): Call itself with the
16965 proper number of arguments.
16966 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
16968 * sparc.h: Move all declarations to sparc-protos.h.
16969 (SELECT_RTX_SECTION): Pass a missing MODE argument to
16972 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
16974 * config/svr4.h (text_section, ctors_section, dtors_section): Add
16976 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
16977 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
16978 ASM_OUTPUT_ASCII): Constify a char*.
16980 * sparc-protos.h: New file for sparc prototypes.
16982 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16984 * function.c (record_insns, contains): Always declare and define.
16985 (record_insns): Mark with ATTRIBUTE_UNUSED.
16987 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
16989 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
16990 to .section when outputting a .bss section to deal with multiple
16991 .bss input sections (as happens with -fdata-sections)
16992 Also output %progbits, not @progbits so the assembler doesn't treat as
16994 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
16996 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
16997 thumb parts even when building with non-thumb CPUs, by forcing
17000 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
17002 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
17003 (movdf_const_intreg_sp64): Similarly.
17005 * local-alloc.c (update_equiv_regs): Check the correct insn
17006 for pre-existing REG_EQUIV notes.
17008 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
17010 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
17011 block reached by a branch if we're not going to actually process
17014 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
17016 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
17017 a local extern function declaration.
17019 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
17021 * i386.c (ix86_expand_prologue): Properly wrap USE around
17022 reg for CALL_INSN_FUNCTION_USAGE.
17024 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
17026 * config/mips/mips.md (movdf_internal1a): Allow floating-point
17027 move between GP_REGs.
17029 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
17031 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
17032 the mode size when finding out if an offset is legal.
17034 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
17036 * basic-block.h (PROP_*): Move constants from ...
17037 * flow.c: ... here.
17038 (compute_bb_for_insn): Free the array before reallocating.
17039 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
17040 (allocate_reg_life_data): Reset all reg variables collected by
17042 (get_block_head_tail): Don't convert from bb to block.
17043 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
17044 (find_insn_reg_weight): Take block not bb.
17045 (schedule_block): Don't set block num for moved insns.
17046 (schedule_region): Don't update_life_info or find_insn_reg_weight.
17047 (schedule_insns): Do it here instead.
17048 * combine.c (combine_instructions): Invoke compute_bb_for_insn
17049 before update_life_info.
17050 * recog.c (split_all_insns, peephole2_optimize): Update for
17051 new arg to update_life_info.
17052 * rtlanal.c (remove_note): Cope with NULL note.
17053 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
17056 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
17058 * jump.c (jump_optimize_1): More accurately detect casesi insns.
17060 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
17061 block records so that merge_blocks_nomove will clean up correctly.
17062 (split_edge): Handle casesi insns.
17064 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
17066 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
17068 * pa.md (call, call_value): Do not emit a blockage after restoring
17071 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
17073 * c-typeck.c (c_expand_asm_operands): Fix typo.
17075 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17077 * arm.c (fpu_rhs_operand): Verify modes.
17078 (fpu_add_operand): Likewise.
17079 (di_operand): Likewise.
17080 (soft_df_operand): Likewise.
17082 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
17084 * arm.c (arm_return_in_memory): APCS rules state that the elements
17085 of a structure returned in a register must be 'integer-like'.
17087 1999-10-19 Bruce Korb <autogen@linuxbox.com>
17089 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
17090 in the source tree when the generated targets are out of date
17091 * fixinc/genfixes: Alter it to run individual fixes for make.
17092 * fixinc/README: rewrite
17093 * fixinc/inclhack.def: moved initial comments to README
17095 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
17097 * toplev.c (main): Do not generate an error message if an
17098 unrecognised command line switch is recognisable by another
17099 language. If extra_warnings are enabled, then generate a
17100 warning message instead.
17102 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
17104 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
17105 (insert_pack_attributes): Delete prototype.
17107 * c-pragma.c (default_alignment): New static variable.
17108 (push_alignment): Initialize to current effective alignment.
17109 (pop_alignment): Use to set new alignment.
17110 (insert_pack_attributes): Delete function.
17111 (handle_pragma_token): Set default_alignment as well each time
17112 a #pragma pack(<n>) is encountered.
17114 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
17116 * reg-stack.c (stack_result): Aggregates are not returned in
17119 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
17121 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
17123 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
17125 * basic-block.h (set_block_num): Declare.
17126 * flow.c (update_life_info): Don't call compute_bb_for_insn
17127 or free_basic_block_vars.
17128 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
17129 (insn_orig_block): Remove.
17130 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
17131 (schedule_block): Keep BLOCK_NUM up-to-date.
17132 (schedule_insns): Use compute_bb_for_insn.
17133 * recog.c (split_all_insns): Likewise.
17134 (peephole2_optimize): Likewise.
17136 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
17138 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
17139 if the pic register is used.
17141 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17143 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
17144 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
17145 if that tests TREE_PERMANENT.
17147 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
17149 * cse.c (invalidate_for_call): Do not remove memory references from
17150 the table here. It's handled elsewhere.
17152 * haifa-sched.c (add_dependence): Protect references to the
17153 true dependency cache with #ifdef INSN_SCHEDULING.
17154 (remove_dependence): Similarly.
17156 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
17157 to the cfg code that this is a return instruction.
17158 * mn10300.md (return_internal): Similarly.
17160 * combine.c (get_last_value): If the last set of a register
17161 is after subst_low_cuid, then we can not use it to determine
17162 the register's last value.
17164 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17166 * Makefile.in: Back out previous change.
17168 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
17170 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
17172 * haifa-sched.c (add_dependence): Only check/update the cache
17174 (remove_dependence): Likewise.
17175 (schedule_insns): Only create the true_dependency_cache if the
17176 average number of instructions in a basic block is very large.
17178 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
17180 * Makefile.in (ggc-common.o): Depend on genrtl.h.
17181 (ggc-simple.o): Likewise.
17182 (ggc-page.o): Likewise.
17184 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
17186 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
17187 Prototype for exported functions.
17188 (pre_lcm, pre_rev_lcm): Remove prototypes.
17189 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
17190 (compute_available): Move to lcm.c, and change parameter order.
17191 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
17192 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
17193 (gcse_main): No longer call compute_preds_succs. Rebuild the
17194 set table after reach pre pass.
17195 (pre_insert_map, pre_delete_map, edge_list): New.
17196 (alloc_pre_mem): Allocate edge vectors.
17197 (free_pre_mem): Delete edge vectors.
17198 (compute_pre_data): Call new edge based lcm routines.
17199 (process_insert_insn): New function.
17200 (insert_insn_end_bb): Use it.
17201 (pre_edge_insert): New function.
17202 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
17204 (pre_insert_copies): Revamp using new edge based lcm outputs.
17205 (pre_delete): Likewise.
17206 (one_pre_gcse_pass): Insert & remove fake edges to the exit
17208 (compute_code_hoist_vbeinout): New new edge based routines.
17209 * lcm.c: Remove all the old LCM functions. Replace with new ones
17210 that work with the new cfg datastructures and work with edges
17213 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17215 * reload.h (struct reload): Add new fields "mode" and "nregs".
17216 * reload1.c: Change all occurrences of reload_mode and reload_nregs
17217 to reference the "mode" and "nregs" field within struct reload.
17219 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
17221 * haifa-sched.c (true_dependency_cache): New.
17222 (add_dependence): Use the true dependency cache to avoid expensive
17223 walks down the LOG_LINKS dependency list. Add entries to the
17224 cache as necessary.
17225 (remove_dependence): Remove entries from the true dependency cache
17227 (schedule_insns): Allocate and initialize and free the true
17230 * haifa-sched.c (schedule_insns): Do not remove inter-block
17231 dependencies anymore.
17233 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
17235 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
17236 * i386/t-winnt: Likewise.
17238 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
17240 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
17242 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
17244 * Makefile.in (LANGUAGES): Omit "proto".
17245 (clean): Remove stale comment about removing unprotoize.c.
17247 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17249 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
17250 using arithmetic on void pointers.
17252 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
17254 * haifa-sched.c (compute_block_forward_dependencies): Only check
17255 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
17257 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
17259 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
17260 (expr_equiv_p): Reject memories with different alias sets.
17262 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
17264 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
17265 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
17266 (f_options): Add "bounded-pointers" and "bounds-check" entries.
17267 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
17268 (lang_init): Set default for flag_bounds_check if still "unspecified".
17270 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17272 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
17274 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17276 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
17279 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17281 * config/c4x/c4x.md (*db_noclobber,
17282 *decrement_and_branch_until_zero_noclobber): New patterns and
17283 associated splitters.
17285 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17287 * config/c4x/c4x.md (parallel instruction patterns): Rework
17288 constraints to keep reload happy.
17290 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17292 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
17293 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
17294 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
17295 Add new patterns and associated post-reload splitters.
17297 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17299 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
17301 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17303 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
17305 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
17307 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17309 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
17312 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
17314 * pa.c (move_operand): Rely on memory_address_p to determine the
17315 validity of non-indexed memory addresses.
17316 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
17317 operand in DFmode and SFmode when generating PA2.0 code.
17319 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
17321 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
17323 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
17325 * mips.c (function_prologue): Fix argument types.
17326 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
17327 (casesi_internal): Write to the scratch register.
17329 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
17331 * cppexp.c (cpp_parse_escape): Make static. Change second arg
17333 (parse_charconst): Delete unnecessary cast when calling
17335 (cpplib.h): Kill prototype of cpp_parse_escape.
17337 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
17339 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
17340 * unroll.c (unroll_loop): Cast return value of alloca.
17341 * i370/i370.c: Include function.h and toplev.h.
17342 (i370_label_scan): Remove c++ commented abort.
17343 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
17344 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
17345 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
17346 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
17348 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
17350 * config/t-freebsd: Do not override USER_H.
17351 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
17353 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
17354 Mumit Khan <khan@xraylith.wisc.edu>
17356 * c-parse.in (component_decl): Support anonymous struct/union.
17358 * c-parse.y: Regenerate.
17359 * c-parse.c: Likewise.
17360 * objc/objc-parse.y: Likewise.
17361 * objc/objc-parse.c: Likewise.
17362 * c-decl.c (finish_struct): Don't sort the fields.
17363 (field_decl_cmp): Delete unused function.
17365 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
17367 * sparc.md (movsf_const_intreg): Revert last constraint change.
17368 (movdf_const_intreg_sp32): Likewise.
17370 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
17372 * cse.c: Include hashtab.h instead of splay-tree.h
17373 (struct cse_reg_info): No longer use variant union. Add new
17374 field "regno". All references changed to avoid union.
17375 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
17376 (free_cse_reg_info): Remove.
17377 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
17378 (get_cse_reg_info): Revamp to use expandable hash tables instead
17379 of splay trees. Initialize new fields in cse_reg_info structure.
17380 (new_basic_block): Similarly.
17382 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
17384 * genrecog.c (message_with_line): Prototype.
17385 (validate_pattern): Pass along the set for the dest, not a flag.
17386 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
17387 Check for PC/CC0 as sources.
17388 (nodes_identical): Check for children position match before
17389 allowing the combination.
17391 * rtl.c (read_rtx): Track line number across \\\n.
17393 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
17395 * mips.h (SPECIAL_MODE_PREDICATES): New.
17396 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
17397 (movdi+1, movsi+1): Add output reload constraint.
17398 (casesi_internal): Likewise. Fix commentary.
17399 (return_internal): Use pmode_register_operand.
17401 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
17403 * 1750a.md (movstrqi): Add missing output reload constraint.
17404 (call_value): Likewise.
17405 * a29k.md (cpxxx patterns): Add missing match_operator mode.
17406 (jmpfdec): Add missing inout reload constraint.
17407 * elxsi.md (addsi patterns): Add missing output reload constraint.
17408 (move from sp): Use @ alternates.
17409 (call_value): No constraint on output.
17410 * fr30.md (movsi_pop): Add missing output reload constraint.
17411 (movsf_constant_store): Likewise.
17412 (splits): Remove constraints.
17413 (subsi3): Add missing mode.
17414 * i370.md (cmpstrsi+1): Add missing output reload constraint.
17415 (call_value): Likewise.
17416 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
17417 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
17418 * m32r.md (movsicc_internal): Add output reload constraint.
17419 (movstrsi_internal): Add inout reload constraints.
17420 * m88k.h (reg_names): Don't declare.
17421 (SPECIAL_MODE_PREDICATES): New.
17422 * m88k.md (*): Use register_operand not reg_or_0_operand
17424 * mn10200.h (PREDICATE_CODES): New.
17425 * ns32k.md (ffs pattern): Add output reload constraint.
17426 * pdp11.md (sob pattern): Add inout reload constraint.
17427 * sh.md (splits): Remove constraints.
17428 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
17429 * v850.md (pattern_is_ok_for_epilogue): Likewise.
17430 * vax.md (jgequ pattern): Add inout reload constraint.
17432 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
17434 * configure.in (djgpp): Revert previous patch.
17435 * configure: Rebuit.
17436 * config/i386/djgpp.h: Revert previous patch.
17438 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
17440 * fixinc/inclhack.def: Restore patch lost during last merge of
17441 "no_bogosity" branch.
17442 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17444 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
17446 * fixincludes: Add a HPUX 11 fix for inttypes.h.
17447 * fixinc/inclhack.def: Same.
17448 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
17450 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
17452 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
17453 as the base of a PLUS.
17455 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17457 * config/c4x/c4x.md: Define mode for remaining unspec operators.
17458 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
17460 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
17462 * pa.md (post_stw+1): Use pmode_register_operand.
17463 (dcacheflush, icacheflush): Likewise.
17465 * i386.md (movstricthi_1): Allow r/r.
17467 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
17469 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
17470 to (not (and (arg0) (arg1))). Similary for and.
17472 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
17473 fallthrough to associate code.
17474 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
17477 * combine.c (simplify_logical): Convert XOR to IOR if operands have
17478 no bits in common; remove XOR to ROTATE conversion.
17480 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17482 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
17484 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17486 * config/c4x/c4x.c (dst_operand): New.
17487 (PREDICATE_CODES): Update.
17488 * config/c4x/c4x.h (dst_operand): Declare it.
17489 * config/c4x/c4x.md: Define mode for each unspec usage.
17490 (move patterns): Use dst_operand predicate instead of src_operand.
17491 (movqi_update, movqf_update): Delete.
17493 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
17495 * recog.c (pmode_register_operand): New.
17496 * recog.h: Declare it.
17497 * genrecog.c (pred_codes): Likewise.
17498 (special_mode_pred_table): Likewise.
17499 (validate_pattern): Don't warn no mode for address_operand.
17501 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
17502 if the operand is not insn-like.
17504 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
17505 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
17507 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
17509 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
17511 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
17512 instead of general_operand in a SET_DEST. Use const_double_operand
17513 instead of an explicit test against CONST_DOUBLE.
17514 (movsf_const_lo): Add missing register mode.
17515 (goto_handler_and_restore): Add auxiliary test for Pmode.
17516 (flush): Adjust to use address_operand.
17517 (return_sf_no_fpu): Add missing output constraint.
17519 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
17521 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
17522 for call return value.
17523 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
17525 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
17527 * toplev.c (main): Only warn about options for other languages.
17528 * collect2.c (main): Pass -w to sub-gcc.
17530 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
17532 * flow.c (propagate_block): Add call-clobbered registers to
17535 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
17536 zapping mem_set_list.
17537 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
17538 (mark_set_1, mark_used_regs): Likewise.
17540 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
17542 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
17544 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17546 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
17547 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
17548 options. Also add a new item "C-only Warning Options" to the
17551 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
17553 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
17554 from multiple calls.
17556 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
17558 * i386.md (call value patterns): Move to the end of the file.
17559 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
17561 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
17563 * configure.in (djgpp configuration): Define extra_objects..
17564 * configure: Rebuilt.
17565 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
17566 (DTORS_SECTION_ASM_OP): Define.
17567 (INIT_SECTION_ASM_OP): Define.
17568 (FINI_SECTION_ASM_OP): Define.
17569 (DATA_SECTION_ASM_OP): Define.
17570 (TEXT_SECTION_ASM_OP): Define.
17571 (EH_FRAME_SECTION_ASM_OP): Define.
17572 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
17573 (STARTFILE_SPEC): Add crtbegin.o.
17574 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
17575 to here from LINK_COMMAND_SPEC.
17576 (DO_GLOBAL_CTORS_BODY): Define.
17577 (CRTSTUFF_USE_FINI_SECTION): Define
17578 (HAS_INIT_SECTION): Delete.
17580 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
17582 * Makefile.in (all.cross): Depend on xcpp$(exeext).
17584 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
17586 * pa.h (PREDICATE_CODES): New.
17588 * genrecog.c (validate_pattern): Condense the destination
17589 non-lvalue message.
17591 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
17593 * alpha.md (call-1): Supply missing mode for operator.
17594 (*): Add missing output reload constraints. Remove constraints
17595 from define_splits.
17597 * i386.h (SPECIAL_MODE_PREDICATES): New.
17598 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
17599 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
17600 (addsi_lea_3): Add missing mode for op 3.
17601 (prologue_set_got, prologue_get_pc): Add missing modes.
17602 (*) Add missing output reload constraints.
17604 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
17606 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
17607 check for member bit-size overflow and use var_size if it occurs.
17608 (layout_record): Use bitsize_int() to define the type size in bits.
17609 Likewise for computation and assignment to DECL_FIELD_BITPOS.
17610 (layout_decl): Likewise when assigning to DECL_SIZE.
17612 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
17614 * genrecog.c (validate_pattern): Typo last change. Verify
17615 that output operands have output reloads.
17617 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
17619 * genrecog.c (special_mode_pred_table): New.
17620 (NUM_SPECIAL_MODE_PREDS): New.
17621 (find_operand): New.
17622 (validate_pattern): New argument `insn'. Warn for assignment to
17623 any predicate accepting non-lvalues. Conditionaly warn for
17624 match_operand without a mode. Try much harder to match source
17625 and destination modes on a set.
17626 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
17628 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
17630 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
17632 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
17634 * combine.c (simplify_logical): Recognize xor pattern that encodes
17637 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17639 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
17642 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
17644 * ggc-page.c (MAP_FAILED): Provide default.
17646 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
17648 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
17649 * sparc.h (PREDICATE_CODES): Update.
17651 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
17653 * alpha.c (some_ni_operand): New.
17654 * alpha-protos.h: Declare it.
17655 * alpha.h (PREDICATE_CODES): Update.
17656 * alpha.md (sXaddq reload insns): Use some_ni_operand
17657 for SET_DEST instead of some_operand.
17659 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
17660 Jim Wilson <wilson@cygnus.com>
17662 * genrecog.c (maybe_both_true_2): Don't compare modes of
17664 (process_tree): Elide peephole2_insns. Invoke simplify_tests
17665 after find_afterward.
17666 (debug_decision_1): Dump next and afterward codes.
17668 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
17670 * rtl.c (dump_and_abort): Remove.
17671 (fatal_with_file_and_line): New.
17672 (fatal_expected_char): New.
17673 (read_rtx_lineno, read_rtx_filename): New.
17674 (read_skip_spaces): Track line number.
17675 (read_name): Use fatal_with_file_and_line.
17676 (read_rtx): Use fatal_expected_char. Track line number.
17677 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
17679 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
17680 if it isn't a CODE_LABEL.
17682 * genattr.c (main): Set read_rtx_filename.
17683 * genattrtab.c (main): Likewise.
17684 * gencodes.c (main): Likewise.
17685 * genconfig.c (main): Likewise.
17686 * genemit.c (main): Likewise.
17687 * genextract.c (main): Likewise.
17688 * genflags.c (main): Likewise.
17689 * genopinit.c (main): Likewise.
17690 * genoutput.c (main): Likewise.
17691 * genpeep.c (main): Likewise.
17693 * genrecog.c (decision_test.u.insn): Add `lineno'.
17694 (pattern_lineno, error_count): New variables.
17695 (message_with_line): New.
17696 (add_to_sequence): Break out checking code to ...
17697 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
17698 (merge_insn): Use message_with_line.
17699 (make_insn_sequence): Use validate_pattern. Record insn lineno.
17700 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
17702 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17704 * expr.c (store_constructor): Clear union if constructor is empty.
17706 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
17708 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
17709 Add !endian checks. Change %{...} to %(...).
17711 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
17713 * i386.md (*addsi3_cc): Renamed from addcsi3.
17714 (*addsi3_carry): Renamed from addxsi3.
17715 (*subsi3_cc): Renamed from subcsi3.
17716 (*subsi3_carry): Renamed from subxsi3.
17717 (*xorqi_cc_1): Renamed from xorcqi_1.
17718 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
17719 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
17721 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
17723 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
17724 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
17726 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
17728 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
17729 climb up the chain of insns.
17731 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
17733 * genrecog.c (write_subroutine): Careful for null trees.
17734 (process_tree): Don't elide empty functions.
17736 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
17738 * Makefile.in (genrtl.o): Depend on ggc.h.
17739 * configure.in (valloc): Probe for it.
17740 (with-gc): Use ggc-page if valloc present.
17741 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
17742 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
17743 (ggc_alloc_string): Moved from ggc-page.c.
17744 * ggc-none.c (ggc_alloc_obj): New.
17745 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
17746 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
17747 (struct globals): Likewise for dev_zero_fd.
17748 (init_ggc): Likewise for it's initialization.
17749 (ggc_allocated_p): Move careful dereference from ...
17750 (ggc_lookup_page_table): ... here. Delete.
17751 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
17752 (alloc_anon): Use valloc if no mmap.
17753 (release_pages): Use free if using valloc.
17754 (ggc_alloc_obj): Renamed from alloc_obj.
17755 (ggc_set_mark): Renamed from mark_obj.
17756 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
17757 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
17758 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
17759 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
17760 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
17761 (ggc_collect): Use fp printing instead of our own rounding.
17762 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
17763 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
17764 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
17765 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
17766 (struct ggc_string, struct ggc_any): Delete.
17767 (offsetof): Provide default definition.
17768 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
17770 (struct ggc_mem): New, from corpse of ggc_any.
17771 (struct ggc_status): Delete.
17772 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
17773 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
17774 (n_strings_collected, n_anys_collected): Delete.
17775 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
17776 (ggc_alloc_string, ggc_alloc): Delete.
17777 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
17778 (ggc_free_string, ggc_free_any): Delete.
17779 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
17780 (ggc_compare_addresses, ggc_mark_string): Delete.
17781 (ggc_mark_string_if_gcable, ggc_mark): Delete.
17782 (search_data): Delete.
17783 (struct globals): New.
17784 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
17785 (tree_insert, tree_lookup): New.
17786 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
17787 (clear_marks, sweep_objs): New.
17788 (ggc_collect): Gut. Use clear_marks, sweep_objs.
17789 (init_ggc): Set allocated_last_gc.
17790 (ggc_push_context): Gut. Use G.context.
17791 (ggc_pop_context): Likewise.
17792 (ggc_pop_context_1): New.
17793 (debug_ggc_tree): New.
17794 (debug_ggc_balance, tally_leaves): New.
17795 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
17796 (ggc_mark_string_if_gcable): Remove decl.
17797 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
17798 (ggc_mark_rtvec_children): New.
17799 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
17800 (ggc_mark_if_gcable): New decl.
17801 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
17802 (ggc_alloc_tree, ggc_alloc): Likewise.
17803 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
17804 (ggc_alloc_obj): New decl.
17805 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
17806 (ggc_alloc_tree, ggc_alloc): Likewise.
17807 (ggc_set_mark): New decl.
17808 * rtl.h (struct rtx_def): Remove gc_mark.
17809 (struct rtvec_def): Likewise.
17810 * tree.h (struct tree_common): Likewise.
17812 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
17814 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
17815 float_format and thread_file definitions.
17816 * configure: Rebuilt.
17818 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
17820 * extend.texi (Function Names): Document types of function names.
17822 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17824 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
17825 an earlyclobbered output conflict with RELOAD_INPUT reloads.
17827 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17829 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
17831 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17833 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
17835 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
17837 * collect2.c (main): Do prelimnary link on AIX if rflag.
17839 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
17841 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
17842 __CTOR_LIST__ in opposite order, which is the correct order for sorted
17844 (__do_global_dtors): similarly for __DTOR_LIST__.
17846 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17847 Diego Novillo <dnovillo@cygnus.com>
17849 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
17852 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
17854 * fixincl/*: Merged "no_bogosity" branch
17855 * fixincl/fixlib.h: protect against doubly defining t_bool
17856 * fixincl/server.h: protect against doubly defining t_bool
17858 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
17860 * genoutput.c: Include toplev.h.
17862 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
17864 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
17866 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
17867 * configure: Regenerate.
17869 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
17871 * gcse.c (delete_null_pointer_checks): Returns void.
17873 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17875 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
17876 * emit-rtl.c (copy_insn_1): Likewise.
17878 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
17880 * config/mips/mips.c (mips_build_va_list): Correct
17881 TREE_CHAIN setting when hard-float.
17882 (mips_va_start): Use corrected setting.
17883 (mips_va_arg): Likewise. Also pass a tree to build of
17884 POSTINCREMENT_EXPR rather than a naked 'int'.
17886 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
17888 * ggc.h (ggc_push_context): Fix comment.
17889 (ggc_pop_context): Likewise.
17890 (mark_string_if_gcable): Likewise.
17891 * ggc-common.c (ggc_mark_rtx_children): Use
17892 ggc_mark_string_if_gcable.
17893 * ggc-page.c (ggc_lookup_page_table): New function.
17894 (ggc_allocated_p): Likewise.
17895 (mark_obj): Fix formatting.
17896 (ggc_mark_string_if_gcable): New function.
17897 * ggc-simple.c (ggc_allocated_strings): New variable.
17898 (ggc_strings_used): Likewise.
17899 (ggc_compare_addresses): New function.
17900 (ggc_pop_context): Pop the `any' memory too.
17901 (ggc_mark_string_if_gcable): New function.
17902 (ggc_collect): Initialize and tear down ggc_allocated_strings.
17904 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
17906 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
17907 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
17908 * rs6000.c (expand_block_move): Match movstrsi_?reg register
17911 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
17913 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
17914 (sched_reg_live_length, sched_reg_basic_block): Delete.
17915 (current_block_num, bb_live_regs, old_live_regs): Delete.
17916 (dead_notes, struct sometimes): Delete.
17917 (sched_note_set, birthing_insn_p): Delete.
17918 (adjust_priority): Gut useless reg lifetime code.
17919 (create_reg_dead_note, attach_deaths): Delete.
17920 (attach_deaths_insn, new_sometimes_live): Delete.
17921 (finish_sometimes_live): Delete.
17922 (find_pre_sched_live, find_post_sched_live): Delete.
17923 (update_reg_usage): Delete.
17924 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
17925 (schedule_insns): Delete reg lifetime code.
17926 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
17927 (unlink_other_notes): Adjust REG_NOTE commentary.
17928 (reemit_notes): Use REG_SAVE_NOTE.
17929 (schedule_block): Likewise.
17930 (schedule_region): Allocate bitmap of blocks in region. Use
17931 count_or_remove_death_notes. Use update_life_info.
17933 * rtl.h (REG_SAVE_NOTE): New.
17934 * rtl.c (reg_note_name): Update.
17936 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
17938 * combine.c (refresh_blocks, need_refresh): New.
17939 (combine_instructions): Allocate refresh_blocks. Invoke
17940 update_life_info if needed.
17941 (distribute_notes): Mark refresh_blocks instead of installing
17943 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
17944 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
17946 * Makefile.in (recog.o): Depend on basic-block.h.
17948 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
17950 * genrecog.c (add_to_sequence): Thinko last change: delete
17951 shadowing allow_const_int variable.
17953 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17955 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
17956 __GNUC__ and __GNUC_MINOR__.
17958 * gansidecl.h: Likewise.
17964 * toplev.h: Likewise.
17966 * tree.c: Likewise.
17968 * tree.h: Likewise.
17970 * varray.c: Likewise.
17972 * varray.h: Likewise.
17974 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17976 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
17977 use one before a jump table.
17979 * rtl.def (ADDRESS): Change documentation to match reality.
17980 * md.texi: Don't document it.
17981 * gmicro.md (load address pattern): Use 'p' constraint, delete use
17984 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
17986 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
17988 * genrecog.c (add_to_sequence): Move allow_const_int test outside
17989 known predicate block; default allow_const_int true.
17990 (debug_decision_list): New.
17992 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
17994 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
17996 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
17998 * gcse.c (gcse_main): Avoid global optimizations if we have a
17999 large number of basic blocks and the ratio of edges to blocks
18001 (delete_null_pointer_checks): Likewise.
18003 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
18005 * c-common.c (check_format_info): Warn if format string isn't a
18008 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
18010 * configure.in (arm*-*-*): Don't let autoconf remove brackets
18011 * configure: regenerate
18013 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
18015 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
18016 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
18017 (peepholes): Re-enable.
18019 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
18021 * Makefile.in (flow.o): Depend on TREE_H.
18022 * basic-block.h (REG_SET_EQUAL_P): New.
18023 (XOR_REG_SET): New.
18024 (n_edges): Declare.
18025 (free_regset_vector): Remove declaration.
18026 (flow_delete_insn_chain): Declare.
18027 (enum update_life_extent): New.
18028 (update_life_info, count_or_remove_death_notes): Declare.
18029 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
18030 Verify register live at bb->global_live_at_start before adding USE.
18031 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
18032 (CLEAN_ALLOCA): New.
18034 (PROP_*): New flags.
18035 (find_basic_blocks_1): Use alloc_EXPR_LIST.
18036 (clear_edges): Zero n_edges.
18037 (make_edge): Increment n_edges.
18038 (split_edge): Don't allocate bb->local_set. Increment n_edges.
18039 (flow_delete_insn_chain): Export.
18040 (delete_block): Decrement n_edges.
18041 (merge_blocks_nomove): Likewise.
18042 (life_analysis): Give life_analysis_1 PROP flags.
18043 (verify_wide_reg_1, verify_wide_reg): New.
18044 (verify_local_live_at_start): New.
18045 (update_life_info): Rewrite to call into propogate_block.
18047 (mark_regs_live_at_end): After reload, if epilogue as rtl,
18048 always mark stack pointer. Conditionally mark PIC register.
18049 After reload, mark call-saved registers, return regsiters.
18050 (life_analysis_1): Accept PROP flags not remove_dead_code.
18051 Call mark_regs_live_at_end before zeroing regs_ever_live.
18052 Use calculate_global_regs_live. Copy global_live_at_end before
18053 calling final propagate_block. Zero reg_next_use on exit.
18054 (calculate_global_regs_live): New.
18055 (allocate_bb_life_data): Don't allocate bb->local_set.
18056 (init_regset_vector, free_regset_vector): Remove.
18057 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
18058 Test flags before every operation. Warn if prologue/epilogue insn
18059 would have been deleted.
18060 (mark_set_regs, mark_set_1): Accept and use FLAGS.
18061 Use alloc_EXPR_LIST.
18062 (mark_used_regs): Accept and use FLAGS, not FINAL.
18063 Remove special handling for RETURN.
18064 (try_pre_increment): Use alloc_EXPR_LIST.
18065 (dump_flow_info): Dump n_edges.
18066 (unlink_insn_chain, split_hard_reg_notes): Remove.
18067 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
18068 (find_insn_with_note, new_insn_dead_notes): Remove.
18069 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
18070 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
18071 (replace_insns): Remove.
18072 (count_or_remove_death_notes): New.
18073 (verify_flow_info): Abort on error after all checks.
18074 (remove_edge): Decrement n_edges.
18075 (remove_fake_edges): Tweak format.
18076 * haifa-sched.c (schedule_insns): Use split_all_insns.
18077 * output.h (update_life_info): Remove declaration.
18078 * recog.c (split_all_insns): From the corpse of split_block_insns,
18079 do the whole function block by block. Use update_life_info.
18080 (recog_last_allowed_insn): New.
18081 (recog_next_insn): Mind it.
18082 (peephole2_optimize): Set it. Walk backwards through blocks.
18083 Use update_life_info.
18084 * rtl.h (update_flow_info, replace_insns): Remove declarations.
18085 (split_all_insns): Declare.
18086 * toplev.c (rest_of_compilation): Thread prologue before flow2.
18087 Use split_all_insns.
18089 * i386.md (or -1 peep2s): Disable.
18091 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
18093 * config/mips/mips.md (movstrsi+[123]) : Combine these into
18094 a single pattern. Scrap the 'd' versions as unnecessary.
18096 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
18097 tablejump_mips162,tablejump_internal4): The operands to a
18098 label_ref must be VOIDmode.
18100 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18102 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
18104 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18106 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
18108 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
18110 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
18111 cache every function if ggc_p.
18113 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18115 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
18116 instead of copy_rtx. Accept sequences that contain asm statements.
18117 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
18118 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
18119 orig_asm_operands_vector, copy_asm_operands_vector,
18120 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
18122 * rtl.h (copy_insn, copy_insn_1): Declare.
18124 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18126 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
18128 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
18129 arguments to `current_file_function_operand'.
18131 * genrecog.c: Include hard-reg-set.h and resource.h in the
18132 generated output file.
18134 * real.c: Include tm_p.h.
18136 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18138 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
18141 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
18143 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
18144 before the fctiwz insn.
18146 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18147 Mark Mitchell <mark@codesourcery.com>
18149 * tree.c (make_lang_type_fn): New funtion pointer.
18150 (make_lang_type): Call it.
18151 * tree.h (make_lang_type): Declare.
18152 (make_lang_type_fn): Likewise.
18153 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
18155 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
18157 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
18158 make sure that HIGH instructions are copied into BASE_REGS.
18160 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
18162 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
18164 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
18166 * c-decl.c (finish_struct): Use simpler method of
18167 removing elements of a singly-linked list.
18169 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
18171 * alpha.md (peephole2's): Comment out peephole2's that generate
18174 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
18176 * genrecog.c (add_to_sequence): Disable mode check for
18179 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18181 * ggc-simple.c (init_ggc): Set empty_string.
18183 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
18185 * configure.in: Detect mmap. Add --with-gc=foo to select
18186 garbage collector; default to page if mmap available.
18187 * Makefile.in (GGC): Substitute.
18189 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
18191 * c-decl.c (ggc_p): Enable.
18193 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18195 * flow.c (verify_flow_info): Make it extern & unconditionally define.
18197 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
18199 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
18200 string for little-endian-data.
18202 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
18204 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
18205 case somebody tries to compile --enable-checking code with gcc
18208 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
18210 * genrecog.c (add_to_sequence): Verify operand to label_ref is
18213 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
18215 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
18216 * jump.c (jump_optimize_1): Document why.
18218 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18220 * collect2.c (scan_prog_file, scan_libraries): Prototype function
18221 pointers and casts for `int_handler' and `quit_handler'.
18223 * flow.c (verify_flow_info, split_hard_reg_notes,
18224 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
18225 remove_edge, remove_fake_successors): Add static prototypes.
18226 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
18227 (mark_set_1): Initialize variable `regno'.
18228 (unlink_insn_chain): Likewise for variable `curr'.
18229 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
18231 * loop.c (strength_reduce): Initialize variable
18232 `unrolled_insn_copies'.
18233 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
18234 prototypes. Change these functions to take const PTR parameters
18235 to avoid prototype conflict when used as the comparson argument
18237 (check_dbra_loop): Initialize variable `comparison_val'.
18239 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
18240 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
18241 (find_valid_class): Initialize variable `best_class'.
18242 (find_reloads): Call memcpy, not bcopy.
18244 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
18245 (hard_reg_use_compare): Don't needlessly cast away const.
18246 (reload_reg_class_lower): Likewise.
18247 (choose_reload_regs): Initialize variable `regno'.
18249 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
18251 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
18253 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
18255 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
18256 ({,d}discard): Add forward declarations. Declare parameter as
18258 (main_without_main): Explicitly declare return type to be int.
18259 (memcpy): Properly declare.
18261 * libgcc2.c (toplevel): If inhibit_libc is defined and not
18262 building the trampoline support, declare malloc, free, and
18264 (__clear_cache): Mark arguments as potentially unused.
18266 * frame.c (toplevel): If inhibit_libc is defined, declare
18269 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
18271 * flow.c (make_edge): Accept an optional 2D bitmap in which
18272 to cache edge existence. Update all callers.
18273 (make_label_edge, make_eh_edge): Pass through the edge cache.
18274 (make_edges): Provide the cache.
18276 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18278 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
18280 (local_mbtowc): Change the type of variable `i' from int to size_t.
18282 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
18283 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
18285 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
18287 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
18288 after other includes that define the appropriate types. Include
18289 tm_p.h for getting user prototypes.
18290 * ggc-callbacks.c (toplevel): Ditto.
18291 * ggc-none.c (toplevel): Ditto.
18292 * gcc-page.c (toplevel): Ditto.
18293 * ggc-simple.c (toplevel): Ditto.
18295 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
18296 Jonathan Larmour <jlarmour@cygnus.co.uk>
18298 * config/mips/mips.c (mips_move_2words): Split doubles if
18299 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
18301 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
18303 * genrecog.c (struct decision_test): New.
18304 (struct decision): Remove test-related members, sort the rest by size.
18305 (IS_SPLIT): Simplify.
18306 (new_decision, new_decision_test): New.
18307 (add_to_sequence): Use them. No special handling for args of
18309 (maybe_both_true): Renamed from not_both_true; return sense changed.
18310 (maybe_both_true_1, maybe_both_true_2): New. Broken out
18311 of maybe_both_true and adjusted for decision_test.
18312 (position_merit): Remove.
18313 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
18314 (merge_accept_insn): New, broken out of merge_trees.
18315 (merge_trees): Use them. No special case for c_test; no node
18316 splitting; use test type instead of position_merit.
18317 (factor_tests): New.
18318 (simplify_tests): New.
18319 (break_out_subroutines): Don't write code now.
18320 (find_afterward): New.
18321 (write_afterward, write_switch, write_cond): New.
18322 (write_action, is_unconditional): New.
18323 (write_node): New. Use them.
18324 (write_tree_1): Rewrite. Use the new functions above.
18325 (write_tree): Remove afterward processing.
18326 (write_subroutine): Simplify function variant emission.
18327 (write_subroutines): New.
18328 (same_codes, clear_codes): Remove.
18329 (same_modes, clear_modes): Remove.
18330 (write_header): New, broken out of main.
18331 (make_insn_sequence): Use new_decision and new_decision_test.
18332 (process_tree): New, broken out of main.
18333 (main): Adjust for merge_trees interface change.
18334 Don't #define operands in the output file.
18335 (record_insn_name): New, broken out of make_insn_sequence.
18336 (debug_decision_2, debug_decision_1, debug_decision_0): New.
18337 (debug_decision): New.
18339 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
18341 * resource.c (find_free_register): Mark class_str argument const.
18342 * resource.h: Update prototype to match.
18344 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
18345 * i386.md: Give all anonymous insns names.
18347 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
18349 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
18352 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
18354 * toplev.c (dbr_sched_time): Unconditional.
18355 (peephole2_time): New.
18356 (compile_file): Add pass numbers to all of the dump file suffixes.
18357 Dump peephole2_time. Don't dump times for non-applicable passes.
18358 (rest_of_compilation): Add pass numbers to dump file suffixes.
18359 Conditionalize calls to the scheduler.
18360 * invoke.texi: Update.
18362 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
18364 * flow.c (make_edges): Fix insn iteration.
18365 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
18366 (find_basic_blocks_1): Fix spelling mistake.
18368 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
18370 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
18371 always have side-effects. Use memset not bzero.
18372 (make_node): Likewise.
18374 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
18376 * stmt.c (expand_anon_union_decl): When any of the elements of the
18377 union is addressable, so is the entire union.
18379 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
18381 * sbitmap.c (sbitmap_ones): Don't set too many bits.
18383 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
18384 * bitmap.c (bitmap_operation): Return true iff TO changed.
18385 (bitmap_equal_p): New.
18386 (bitmap_bit_p): Tidy arithmetic.
18387 (debug_bitmap_file): Likewise.
18389 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
18391 * toplev.c (rest_of_compilation): Turn on cse_not_expected
18392 before cse2 instead of after.
18394 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
18396 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
18399 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18401 * cppinit.c (is_idchar initializer): Loosen tests to accept
18404 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
18406 * mips.md: Define conditional move patterns for floating point
18407 operands and DI mode conditions.
18409 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
18411 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
18412 always have side-effects.
18414 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
18416 * mn10200.c (asm_file_start): Fix typo.
18418 * cppinit.c (is_idchar initializer): Tighten tests for when
18419 to put the table into initialized memory.
18421 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
18422 not an array of rtunion.
18423 * gcc-page.c (ggc_alloc_rtvec): Similarly.
18424 * gcc-simple (ggc_free_rtvec): Similarly.
18426 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
18429 * mbchar.h: Add missing #endif.
18431 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
18432 (FPBIT, DPBIT): Define.
18434 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18436 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
18438 * profile.c (instrument_arcs, output_gcov_string,
18439 tablejump_entry_p): Add static prototypes.
18440 (output_gcov_string): Constify a char*.
18442 * regmove.c (replacement_quality, fixup_match_2): Add static
18445 * resource.h (reg_dead_p): Add extern prototype.
18447 * rtl.c (trim_filename): Add static prototype.
18449 * scan-decls.c (skip_to_closing_brace): Likewise.
18451 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
18452 (expand_end_case): Initialize variable `range'.
18453 (emit_case_nodes): Remove unused prototype `rtx_fn'.
18455 * varasm.c (asm_emit_uninitialised): Add static prototype.
18456 (asm_emit_uninitialised, assemble_variable): Mark parameter with
18459 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18461 * cpplib.c (if_directive_nameo): Add static prototype.
18463 * cse.c (cse_insn): Remove unused variable `p'.
18465 * except.c (create_rethrow_ref, push_entry,
18466 receive_exception_label, new_eh_region_entry, find_func_region,
18467 clear_function_eh_region, process_nestinfo): Add static prototypes.
18468 (get_reg_for_handler): Hide definition.
18469 (process_nestinfo): Initialize variable `extra_handlers'.
18471 * expr.h (expand_builtin_longjmp): Add extern prototype.
18473 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
18475 * function.c (prepare_function_start): Likewise.
18476 (pop_function_context_from): Mark parameter `context' with
18478 (push_temp_slots_for_block, flush_addressof): Hide definition.
18480 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
18481 solve_program_flow_graph, calculate_branch_probs,
18482 function_summary, main, fancy_abort): Add prototypes.
18484 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
18485 (add_hash): Constify a char*.
18487 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
18488 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
18489 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
18491 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
18493 * lists.c (free_list, zap_lists): Likewise.
18495 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18497 * alias.c (nonlocal_reference_p): Add static prototype.
18499 * bitmap.c (bitmap_element_allocate): Prototype args in function
18502 * builtins.c (stabilize_va_list): Add static prototype.
18503 (expand_builtin_va_arg): Constify a char*.
18505 * c-lex.c (getch, put_back, extend_token_buffer_to,
18506 read_line_number, token_getch, token_put_back): Add static
18509 * c-parse.gperf (hash, is_reserved_word): Likewise.
18511 * cccp.c (is_dir_separator): Likewise.
18513 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18515 * graph.h: New file to prototype functions exported by graph.c.
18517 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
18519 * graph.c: Include graph.h.
18521 * toplev.c: Likewise. Remove redundant prototypes.
18523 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
18525 * invoke.texi: Removed duplicated description for -Q.
18527 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
18529 * extend.texi: Grammar fix in __extension__ text.
18531 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
18533 * md.texi (define_peephole2): New section.
18535 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
18537 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
18538 (mov $-1 to or peepholer): Enable for pentium when optimizing for
18541 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
18543 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
18545 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
18547 * i386.md (ffs expander): Emit Pentium friendly code for
18550 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
18552 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
18554 (build1): Likewise.
18556 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18558 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
18560 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
18562 * config/m68k/m68k.c (use_return_insn): Return false if the pic
18563 register is in use.
18565 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18567 * md.texi (No Constraints): Delete section.
18568 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
18569 * final.c (final_scan_insn): We always have register constraints.
18570 * genattrtab.c: Don't include "insn-config.h".
18571 (write_attr_case): We always have register constraints.
18572 * genconfig.c (register_constraint_flag): Delete.
18573 (walk_insn_part): Don't check whether we have register constraints.
18574 (main): Don't write out "#define REGISTER_CONSTRAINTS".
18575 * genoutput.c (have_constraints): Delete.
18576 (main): Don't set it.
18577 (output_operand_data): We always have constraints.
18578 (scan_operands): Likewise.
18579 (compare_operands): Likewise.
18580 * local-alloc.c (block_alloc): We always have constraints.
18581 (requires_inout): Always compile this function.
18582 * recog.c (extract_insn): We always have constraints.
18583 (constrain_operands, reg_fits_class_p): Always compile these
18585 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
18587 (struct insn_operand_data): Likewise.
18588 * regclass.c (regclass): We always have constraints.
18589 (record_reg_classes, copy_cost, record_address_regs,
18590 auto_inc_dec_reg_p): Always compile these functions.
18591 * regmove.c (regmove_optimize): We always have constraints.
18592 * reload.c (find_reloads): Likewise.
18593 * reload1.c (reload): Likewise.
18594 (reload_cse_simplify_operands): Likewise.
18595 * i860.c (output_delay_insn): Likewise.
18597 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
18599 * iris6.h (BUILD_VA_LIST_TYPE): Define.
18601 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18603 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
18604 for the va_list record.
18606 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
18608 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
18611 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
18613 * alias.c: Include insn-flags.h.
18614 * Makefile.in (alias.o): Update.
18616 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
18618 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
18619 to LTU and GEU. Handle more cases using sbb.
18621 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
18623 * i386.md (truncatexfdf splitters): Do not use subreg.
18624 (fop XFmode patterns): Fix mode in operand testing.
18626 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
18628 * jump.c (jump_optimize_1): Amend last change to test only the
18629 form of the operand, not the insn.
18631 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
18632 not register_operand to determine when B may need preloading.
18634 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
18636 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
18637 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
18638 (call-value patterns): Move to end of file.
18639 (*): Remove mode from label_ref in (pc) context.
18640 (movstrqi): Use memory not general_operand for BLKmode operands.
18641 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
18642 to register_operand operands.
18643 (peep2 patterns): Convert from commented-out peephole patterns.
18645 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18647 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
18648 to BUILT_IN_INIT_DWARF_REG_SIZES.
18649 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
18650 Renamed from BUILT_IN_DWARF_REG_SIZE; call
18651 expand_builtin_init_dwarf_reg_sizes.
18652 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
18653 with __builtin_init_dwarf_reg_size_table.
18654 * dwarf2out.c (struct reg_size_range): Delete.
18655 (expand_builtin_init_dwarf_reg_sizes): New function.
18656 (expand_builtin_dwarf_reg_size): Delete.
18657 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
18658 (expand_builtin_dwarf_reg_size): Don't declare.
18659 * libgcc2.c (dwarf_reg_size_table_initialized): New.
18660 (dwarf_reg_size_table): New.
18661 (init_reg_size_table): New function.
18662 (copy_reg): Use dwarf_reg_size_table.
18663 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
18666 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
18668 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
18669 Correctly build argument list to constructor and destructor functions.
18671 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
18673 * c-tree.h (warn_float_equal): Declare.
18674 * c-decl.c (warn_float_equal): Define.
18675 (c_decode_option): Recognize -W[no-]float-equal.
18676 * c-typeck.c (build_binary_op): Conditionally warn
18677 about equality tests of floating point types.
18678 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
18679 * invoke.texi: Add docs for -Wfloat-equal warning.
18681 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
18683 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
18684 generating RTL directly.
18685 * mips.h (INIT_TARGET_OPTABS): Likewise.
18686 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
18688 * expr.h (init_mov_optab): Delete declaration
18690 * h8300.c (WORD_REG_USED): Update to avoid useless register
18691 saves in interrupt functions and functions which never return.
18693 * cse.c (struct set): Delete inner_dest_loc field.
18694 (cse_insn): Remove assignments to inner_dest_loc field.
18696 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
18698 * ggc-page.c: Don't include <unistd.h> etc taken care of
18699 by "system.h". Include <sys/mman.h> afterward.
18701 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
18703 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
18706 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
18708 * xcoffout.c (xcoffout_declare_function): Add documentation.
18709 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
18710 TARGET_64BIT. Compare constant to -1, not bit pattern.
18711 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
18712 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
18715 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
18717 * dwarf2out.c (add_abstract_origin_attribute): Abort if
18718 origin_die is NULL.
18719 (gen_inlined_enumeration_type_die): Do not abort if the type has
18720 not been writeen out.
18721 (gen_inlined_structure_type_die): Do not abort if the type has
18722 not been writeen out.
18723 (gen_inlined_union_type_die): Do not abort if the type has
18724 not been writeen out.
18725 (gen_tagged_type_instantiation_die): Do not abort if the type
18726 has not been written out.
18728 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18730 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
18732 * reg-stack.c (straighten_stack): Copy hard reg set with
18735 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
18737 * builtins.c (stabilize_va_list): Stabilize array type va_list
18738 to a pointer type, not the base record type.
18739 (expand_builtin_va_copy): Dereference the pointers explicitly;
18740 use the correct size for the copy.
18742 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
18743 (rs6000_va_arg): Likewise.
18745 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
18747 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
18749 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
18751 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
18753 (DECL_BUILT_IN_CLASS): Adjust accordingly.
18755 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
18757 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
18758 (init_ggc): Use it instead of a constant.
18759 (ggc_collect): Bound allocated_last_gc by it.
18761 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
18763 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
18766 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
18768 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
18769 (mips*-*-openbsd*): Let big endian configuration be a fragment.
18770 * configure: Regen.
18771 * config/mips/openbsd.h: New, OpenBSD little endian target.
18772 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
18773 * config/mips/xm-openbsd.h: New, OpenBSD host.
18775 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
18777 * config/m68k/m68k.c (output_function_prologue,
18778 output_function_epilogue): Use
18779 current_function_uses_pic_offset_table instead of regs_ever_live
18780 to decide whether to save/restore pic register.
18781 (legitimize_pic_address): Don't modify regs_ever_live any more.
18783 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
18785 * function.h (struct function): Add x_dont_save_pending_sizes_p.
18786 * stor-layout.c (variable_size): Don't add sizes to the pending
18787 sizes list if x_dont_save_pending_sizes_p is set.
18789 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
18791 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
18792 for symbolic_operand().
18793 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
18795 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18797 * combine.c (gen_rtx_combine): Add missing call to va_end().
18799 * final.c (asm_fprintf): Likewise.
18801 * genattrtab.c (attr_rtx): Likewise.
18803 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
18805 * cse.c: Update comments.
18806 (cse_insn): When converting a conditional/computed jump into
18807 an unconditional jump, always make sure a BARRIER immediately
18808 follows the converted jump. Do not delete unreachable code.
18809 (cse_basic_block): Do not delete unreachable code.
18810 * toplev.c (rest_of_compilation): Move call to
18811 delete_trivially_dead_insns after the conditional call to
18814 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18816 * collect2.c (make_temp_file): Don't prototype.
18818 * gcc.c (make_temp_file): Likewise.
18820 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
18822 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
18824 * varasm.c (asm_emit_uninitialised): New function: Generate
18825 the assembler statements necessary to declare an uninitialised
18827 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
18829 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
18830 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
18832 (assemble_variable): Use asm_emit_uninitialised to emit an
18833 uninitialised variable.
18835 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
18837 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
18838 constant on a 64 bit host. Patch supplied by Geoffrey Keating
18839 <geoffk@cygnus.com>.
18841 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18843 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
18844 * c-common.h (builtin_function): Don't declare.
18846 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
18848 (pushdecl): Likewise.
18849 (finish_decl): Likewise.
18850 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
18851 int. All callers changed.
18852 Set the builtin's DECL_BUILT_IN_CLASS.
18853 * tree.h (enum built_in_class): New.
18854 (enum built_in_function): Delete NOT_BUILT_IN.
18855 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
18857 (DECL_SET_FUNCTION_CODE): Likewise.
18858 (DECL_BUILT_IN_CLASS): New macro.
18859 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
18860 (struct tree_decl): Split builtin function code field into a
18862 (builtin_function): Declare.
18864 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
18866 * optabs.c (init_traps): Fix typo in last change.
18868 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
18870 * toplev.c (rest_of_decl_compilation): Update comment.
18872 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
18874 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
18875 in .sbss if appropriate.
18876 (EXTRA_SECTION_FUNCTIONS): Add sbss.
18877 (SBSS_SECTION_ASM_OP): New macro.
18878 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
18879 (EXTRA_SECTIONS): Add in_sbss.
18880 * config/mips/mips.h: Prototype sbss_section.
18882 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
18884 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
18887 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
18889 * optabs.c (init_traps): Register trap_rtx as a GC root.
18891 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18893 * config/mips/mips.c (function_arg_pass_by_reference): Define
18894 unconditionally, since it's called unconditionally.
18896 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
18898 * toplev.c (documented_lang_options): Add -fshort-wchar.
18899 * c-decl.c (c_decode_option): Likewise.
18900 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
18902 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
18903 * gcc.c (default_compilers): If -fshort-wchar,
18904 override __WCHAR_TYPE__.
18905 * tm.texi (C Dialect Options): Add -fshort-wchar.
18907 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
18908 symbol for a variable.
18910 * cpplib.h (CPP_PREPROCESSED): New macro.
18911 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
18912 we're seeing this input for a second time.
18914 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
18916 * emit-rtl.c (init_emit_once): Initialize modes first.
18918 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
18920 * config/i386/i386.c (pic_label_name): Change to char pointer.
18921 (global_offset_table): New variable.
18922 (load_pic_register): Fill global_offset_table if it hasn't
18923 already been done. Allocate pic_label_name dynamically.
18924 * ggc.h (empty_string): New variable.
18925 * ggc-simple.c (empty_string): Likewise.
18926 (init_ggc): Allocate empty_string and add as root.
18927 * stmt.c (digit_strings): New variable.
18928 (init_stmt): Add last_block_end_note as root. Allocate and
18929 initialize digit_strings.
18930 (expand_asm_operands): Use empty_string instead of string
18931 constant. Use digit_strings instead of string constants.
18932 * profile.c (init_arc_profiler): Allocate string with
18933 ggc_alloc_string instead of xmalloc.
18934 (output_func_start_profiler): Likewise.
18935 * c-typeck.c (digest_init): Check if init is error_mark_node.
18937 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
18938 Richard Henderson <rth@cygnus.com>
18940 * ggc-page.c: New file.
18941 * Makefile.in (ggc-page.o): New.
18943 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
18945 * invoke.texi: Document -fdelete-null-pointer-checks
18946 * toplev.c (flag_delete_null_pointer_checks): New.
18947 (f_options): Add entry for -fdelete-null-pointer-checks.
18948 (rest_of_compilation): Conditionalize null pointer check
18949 elimination on flag_delete_null_pointer_checks.
18950 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
18952 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
18954 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
18955 copyright notice and special exception to GPL.
18957 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18959 * abi64.h (mips_function_value): Add prototype arguments.
18961 * mips-protos.h: New file with mips prototypes.
18963 * mips.c: Include "tm_p.h".
18964 (mktemp, lookup_name): Add prototype arguments.
18965 (extern_list, string_constant, mips_fill_delay_slot,
18966 mips_output_external, mips_output_external_libcall,
18967 mips_output_filename, mips_declare_object, function_prologue,
18968 mips_expand_prologue, function_epilogue, mips16_constant,
18969 build_mips16_function_stub, mips_output_conditional_branch):
18971 (mips_va_start): Remove unused variable `u'.
18972 (mips_va_arg): Cast value to unsigned when comparing against one.
18974 (save_restore_insns, mips_expand_prologue): Add missing arg in
18975 call to `large_int'.
18977 * mips.h: Move prototypes to mips-protos.h.
18978 (data_section, memory_address_p, rdata_section,
18979 readonly_data_section, simple_epilogue_p, text_section): Delete
18980 prototypes delcared elsewhere.
18981 (mips_epilogue_delay_slots, print_options): Delete unused decls.
18983 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
18985 * mips.md: Delete extra args in call to `mips_move_2words'.
18987 * xm-iris6.h (alloca): Add prototype argument.
18989 * genpeep.c: Include "tm_p.h" in generated output file.
18991 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
18993 * basic-block.h (find_edge_index): Change parameters.
18994 * flow.c (verify_edge_list): Pass basic_block parameters to
18995 find_edge_index instead of integers.
18997 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
18999 * combine.c (simplify_comparison): Use an unsigned shift to adjust
19002 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
19004 * gcc.1: Fix a formatting error.
19006 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19008 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
19009 i786, mn10200, mn10300, pdp11, v850.
19011 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
19013 * libgcc2.c (num_digits): Add prototype with
19014 __attribute__((const)).
19015 (__terminate): Add prototype.
19017 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
19019 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
19021 * alpha/alpha.c (print_operand): Fix type of `code'.
19022 (alpha_output_filename): Constify.
19023 * alpha/alpha.h: Move all function declarations ...
19024 * alpha/alpha-protos.h: ... here. New file.
19025 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
19026 (SECTION_FUNCTION_TEMPLATE): Likewise.
19028 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19030 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
19031 * expr.c (expand_expr): Likewise.
19032 (do_jump): Likewise.
19033 (do_store_flag): Pass ccp_store_flag to can_compare_p.
19034 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
19036 (enum can_compare_purpose): New.
19037 (can_compare_p): Adjust prototype.
19038 (prepare_cmp_insn, prepare_operand): Declare.
19039 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
19040 * optabs.c (cmp_available_p): Deleted.
19041 (expand_abs): Pass ccp_jump to can_compare_p.
19042 (can_compare_p): New arg PURPOSE. Check for combined optabs.
19043 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
19044 Call can_compare_p rather than cmp_available_p.
19045 (prepare_operand): No longer static.
19046 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
19047 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
19048 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
19049 sequence to use emit_cmp_and_jump_insns.
19050 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
19052 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
19054 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
19055 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
19056 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
19057 (plus (reg) (const_int 0))
19058 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
19060 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
19062 * rs6000.c (expand_block_move): DImode loads and stores require
19063 word-aligned displacements. Increment address registers with
19064 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
19066 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
19068 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
19069 is no name for the base type, rather than segfault. If we are
19070 writing out a complex integer type, use DW_ATE_lo_user.
19072 * expr.c (emit_move_insn_1): If we are copying a complex that fits
19073 in one word or less (complex char, complex short, or on 64 bit
19074 systems complex float) to/from a hard register, copy it through
19075 memory instead of dying in gen_{real,imag}part. If we have a
19076 short complex type, prevent inlining since it allocates stack
19079 * tree.c (build_complex_type): If we are writing dwarf2 output,
19080 generate a name for complex integer types.
19082 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19084 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
19085 * flow.c (remove_edge): Remove extra whitespace.
19086 (remove_fake_edges): Fix comment.
19087 (add_noreturn_fake_exit_edges): Use the correct name.
19089 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
19091 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
19092 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
19093 (clean): Depend on INTL_CLEAN.
19094 (maintainer-clean): Adjust.
19096 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19098 * configure.in (AC_PREREQ): Bump to 2.13.
19099 (AC_C_STRINGIZE): Call this instead of using a custom macro.
19101 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
19103 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
19105 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
19107 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
19108 (HAVE_STRINGIZE): Define.
19110 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
19112 * c-parse.in: save and restore warn_pointer_arith on __extension__
19113 along with pedantic.
19114 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
19115 Set the type of extension to itype rather than $<itype>1 kludge.
19116 * extend.texi (Alternate Keywords): Adjust documentation.
19117 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
19119 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
19121 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
19122 most assembler templates.
19124 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
19125 FP loads and stores.
19126 (following_call): Always return zero for the PA8000.
19127 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
19128 FP loads and stores.
19129 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
19131 * pa.h (BRANCH_COST): Define.
19133 * pa.md (return, return_internal): Use bve for PA2.0.
19135 * pa.md (fused multiply): Add variants which reduce height for the
19136 fused multiply, but which still generate 2 insns.
19137 (fnegabs): Similarly.
19139 * pa.md (subsi3): Turn into an expander. Create two anonymous
19140 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
19141 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
19143 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
19145 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
19147 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
19148 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
19150 * regclass.c (init_regs): Add "top_of_stack" as a garbage
19153 * flow.c (record_active_eh_regions): Terminate loop after finding
19154 the last insn in the last basic block.
19156 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19158 * config/c4x/c4x.md: Delete parallel instruction peepholes.
19160 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19162 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
19164 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19166 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
19167 splitting to not use output template.
19169 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19171 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
19172 * config/c4x/c4x.c (c4x_va_start): New function.
19174 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
19176 * genrecog.c (not_both_true): Handle correctly cases when called for
19177 tests with different positions in the insn.
19179 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19181 * machmode.h (HOST_PTR_PRINTF): Move from here ...
19183 * system.h (HOST_PTR_PRINTF): ... to here.
19185 * mips-tfile.c: Don't include machmode.h.
19187 * Makefile.in (MACHMODE_H): New variable. Update to use it.
19188 (mips-tfile.o): Don't depend on machmode.h.
19190 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19192 * haifa-sched.c (sched_analyze): Rename local variable `region' to
19193 avoid conflicts with typedef struct `region' at the top level scope.
19195 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
19197 * basic-block.h (basic_block): Add eh_beg, eh_end.
19198 * flow.c (entry_exit_blocks): Update.
19199 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
19200 Call new functions.
19201 (find_basic_blocks_1): Don't record eh_list at each bb. Use
19202 lists.c functions to allocate insn lists.
19203 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
19205 (make_eh_edge): ... here. New.
19206 (move_stray_eh_region_notes): New.
19207 (record_active_eh_regions): New.
19208 (delete_unreachable_blocks): Split out block merging ...
19209 (try_merge_blocks): ... here. New.
19210 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
19211 Dump debugging data.
19212 (merge_blocks_move_successor_nojumps): Likewise.
19213 (merge_blocks): Use eh_beg+eh_end to validate block movement.
19215 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
19217 * extend.texi (Bound member functions): Document unbound pmf
19220 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19222 * flow.c (split_edge): Handle insertion on a fallthrough edge which
19223 has the EXIT_BLOCK as a dest.
19225 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19227 * flow.c (remove_edge): New function to remove an edge from the
19229 (remove_fake_successors): New function to remove fake successor edges.
19230 (remove_fake_edges): New function to remove all fake edges from the
19232 (add_fake_exit_edges): New function to add fake edges from all blocks
19233 with no successors to the exit block.
19234 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
19235 prototypes for new functions.
19237 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
19239 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
19240 Use Pmode to determine whether to output .dword or .word.
19242 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
19244 * tree.c (built_in_filename): New variable.
19245 (BUILT_IN_FILENAME): New macro.
19246 (init_tree_codes): Allocate built_in_filename.
19247 (make_node): Use built_in_filename instead of string constant.
19249 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
19251 * configure.in: Add fr30 target.
19252 * configure: Regenerate.
19253 * config/fr30: New directory.
19254 * config/fr30/crti.asm: New file.
19255 * config/fr30/fr30.c: New file.
19256 * config/fr30/crtn.asm: New file.
19257 * config/fr30/fr30.h: New file.
19258 * config/fr30/fr30.md: New file.
19259 * config/fr30/lib1funcs.asm: New file.
19260 * config/fr30/t-fr30: New file.
19261 * config/fr30/xm-fr30.h: New file.
19263 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
19265 * flow.c (merge_blocks_move_successor_nojumps): Delete the
19266 BARRIER at the end of the successor, not the BARRIER before
19269 * pa.c (pa_add_gc_roots): Fix thinko in last change.
19271 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
19273 * stmt.c (any_pending_cleanups): Don't crash when
19274 current_function->stmt is unset.
19276 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19278 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
19279 other initializations that may use it for relative offsets.
19281 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19283 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
19284 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
19285 * config/i386/sol2dbg.h: Removed.
19286 * config/i386/sol2gas.h: New file, to enable gas work-around.
19287 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
19288 Don't use sol2dbg.h.
19289 * configure: Rebuilt.
19291 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
19293 * invoke.texi (-fthis-is-variable): Remove documentation.
19295 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
19297 * basic-block.h (compute_bb_for_insn): Declare.
19298 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
19299 to use; set size of basic_block_for_insn directly.
19300 (find_basic_blocks): Update.
19302 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19304 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
19306 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19308 * crtstuff.c (ON_EXIT): Delete empty macro definition.
19309 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
19311 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
19313 * c-decl.c (c_decode_option): Extend comment.
19315 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
19317 * toplev.c (progname): Make 'const char *'
19318 (flag_print_mem): Move out of main.
19319 (version_flag): Move out of main.
19320 (filename): Move out of main.
19321 (debug_args): Remove g prefix from options.
19322 (documented_lang_options): Remove cpplib specific options.
19323 (display_help): Add g prefix to debug options.
19324 (check_lang_option): Delete this function.
19325 (decode_d_option): New function: Decode -d... option.
19326 (decode_f_option): New function: Decode -f... option.
19327 (decode_W_option): New function: Decode -W... option.
19328 (decode_g_option): New function: Decode -g... option.
19329 (independent_decode_option): New function: Decode a language
19330 independent command line option.
19331 (main): Invoke lang_decode_option and then
19332 independent_decode_option on each command line option in
19335 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
19337 Revert this change. Gavin's patch to operand_equal_p is a better fix.
19338 * fold-const.c (fold_range_test): Do not try to fold the range
19339 test if the rhs or lhs has side effects.
19341 * basic-block.h (compute_flow_dominators): Declare.
19343 * gcse.c (alloc_code_hoist_mem): New function.
19344 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
19345 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
19346 (hoist_code, one_code_hoisting_pass): Likewise.
19347 (gcse_main): If optimizing for size, then hoist expressions
19348 computed in multiple dominated basic blocks.
19350 * gcse.c (invalid_nonnull_info): New function.
19351 (delete_null_pointer_checks): Likewise.
19352 * rtl.h (delete_null_pointer_checks): Declare.
19353 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
19355 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
19356 (merge-blocks_move_successor_nojumps): Likewise.
19357 (merge_blocks): Allow merging of some blocks, even if it requires
19358 physical movement of the blocks, but not if it requires new jumps.
19360 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
19361 Callers and prototype changed.
19362 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
19364 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19366 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
19367 -YP when both -p and -pg are present. From i386/sol2.h.
19369 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19371 * Makefile.in (distclean): Delete tm_p.h.
19372 * configure.in: Create a new file, "tm_p.h", from a list in
19373 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
19374 "i386/i386-protos.h".
19376 * alias.c: Include "tm_p.h".
19377 * c-typeck.c: Likewise.
19378 * calls.c: Likewise.
19380 * emit-rtl.c: Likewise.
19381 * explow.c: Likewise.
19382 * expmed.c: Likewise.
19383 * expr.c: Likewise.
19384 * final.c: Likewise.
19385 * flow.c: Likewise.
19386 * fold-const.c: Likewise.
19387 * function.c: Likewise.
19388 * gcse.c: Likewise.
19389 * global.c: Likewise.
19390 * haifa-sched.c: Likewise.
19391 * integrate.c: Likewise.
19392 * jump.c: Likewise.
19393 * local-alloc.c: Likewise.
19394 * loop.c: Likewise.
19395 * optabs.c: Likewise.
19396 * recog.c: Likewise.
19397 * reg-stack.c: Likewise.
19398 * regclass.c: Likewise.
19399 * regmove.c: Likewise.
19400 * reload.c: Likewise.
19401 * reload1.c: Likewise.
19402 * reorg.c: Likewise.
19403 * resource.c: Likewise.
19404 * stmt.c: Likewise.
19405 * stor-layout.c: Likewise.
19406 * toplev.c: Likewise.
19407 * tree.c: Likewise.
19408 * unroll.c: Likewise.
19409 * genattrtab.c (main): Make generated file include "tm_p.h".
19410 * genemit.c (main): Likewise.
19411 * genoutput.c (main): Likewise.
19412 * genrecog.c (main): Likewise.
19414 * i386.h: Delete all prototypes.
19415 * i386.c: Include "tm_p.h".
19416 (ix86_attr_length_default): Call constant_call_address_operand
19417 with correct number of arguments.
19418 * i386-protos.h: New file.
19419 * i386.md (unnamed patterns): Call constant_call_address_operand
19420 with correct number of arguments.
19421 (exception_receiver): Call load_pic_register with correct number
19424 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
19426 * c-pragma.c (mark_align_stack): Dereference the void* properly.
19428 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
19430 * rtl.h (insns_safe_to_move_p): New function.
19431 * loop.c (find_and_verify_loops): Use it.
19432 * rtlanal.c (insns_safe_to_move_p): Define it.
19434 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
19436 * c-pragma.c: Include ggc.h.
19437 * Makefile.in (c-pragma.o): Update.
19439 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19441 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
19442 (LIB_SPEC): Likewise.
19443 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
19444 Reindent -YP/-p/-pg.
19445 Copied from config/sparc/sol2.h.
19447 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
19449 * c-pragma.c (mark_align_stack): New.
19450 (init_pragma): New.
19451 * c-pragma.h (init_pragma): Declare it.
19452 * c-lex.c (init_parse): Call it.
19454 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19456 * configure.in: Pick up thread library on Solaris/x86 just
19457 like on Solaris/sparc.
19458 * configure: Rebuilt.
19460 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
19462 * rtl.h (global_rtx_index): New enum.
19463 (global_rtl): Change to array of rtx.
19464 (pc_rtx, cc0_rtx): Redefine accordingly.
19465 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
19466 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
19467 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
19468 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
19469 (const_int_rtx): Change to array of rtx.
19470 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
19472 * emit-rtl.c (global_rtl): Change to array of rtx.
19473 (const_int_rtx): Change to aray of rtx.
19474 (gen_rtx_CONST_INT): Redefine accordingly.
19475 (init_emit_once): Allocate and initialize global_rtl. Likewise
19476 for const_int_rtx. Add both as GC roots.
19477 * genattrtab.c (global_rtl): Update declaration.
19479 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
19481 * Makefile (USER_H): Add iso646.h back.
19483 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
19485 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
19486 zapping the LOG_LINKS of sched_before_next_call.
19488 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
19489 * pa.c (insn_refs_are_delayed): Renamed from
19490 insn_sets_and_refs_are_delayed.
19492 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
19494 * functiion.h (struct function): Add x_whole_function_mode_p.
19495 (retrofit_block): Declare.
19496 * function.c (retrofit_block): New function.
19497 (identify_blocks): Add assertions. Allow an incomplete set of
19498 block notes if we're still generating code for the function.
19499 * integrate.c: Include loop.h.
19500 (expand_inline_function): Call find_loop_tree_blocks to map block
19501 notes to blocks when in whole-function mode. Use retrofit_block
19502 to insert new BLOCKs for the inlined function, rather than
19504 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
19505 * Makefile.in (integrate.o): Depend on loop.h.
19507 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
19509 * tree.h (warn_about_unused_variables): Declare.
19510 * stmt.c (warn_about_unused_variables): New function, split out
19512 (expand_end_bindings): Here.
19514 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
19516 * stmt.c (preserve_subexpressions_p): Don't crash when
19517 current_function->stmt is unset.
19519 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
19521 * stmt.c (expand_start_bindings): Allow callers to pass a flag
19522 indicating that no NOTE_INSN_BLOCK_BEG note is required.
19523 (expand_start_target_temps): Use it.
19524 * except.c (expand_eh_region_start_for_decl): Likewise.
19525 * expr.c (expand_expr): Likewise.
19527 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
19529 * fold-const.c (operand_equal_p): Pay attention to side effects.
19531 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
19533 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
19534 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
19536 * tlink.c (scan_linker_output): Look for keywords before accepting
19537 a mangled name in quotes.
19539 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
19541 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
19542 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
19544 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
19546 * alpha.md: Revert Thu Nov 26 change that came in through the
19547 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
19548 Avoid earlyclobber when possible.
19550 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19552 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
19554 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
19555 Define HAVE_ON_EXIT.
19557 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19559 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
19560 CTYPE_CONV in all ctype macros.
19562 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
19565 * cexp.y (initialize_random_junk): Likewise.
19567 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
19569 * i370.c (handle_pragma): Likewise.
19571 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
19573 * v850.c (override_options): Likewise.
19575 * doprint.c (_doprnt): Likewise.
19577 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
19580 * fixinc/server.c (load_data): Likewise.
19582 * fold-const.c (real_hex_to_f): Likewise.
19584 * genattr.c (write_upcase, gen_attr): Likewise.
19586 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
19587 write_upcase): Likewise.
19589 * genemit.c (print_code): Likewise.
19591 * genopinit.c (gen_insn): Likewise.
19593 * genpeep.c (print_code): Likewise.
19595 * genrecog.c (print_code): Likewise.
19597 * optabs.c (init_libfuncs): Likewise.
19599 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
19601 * haifa-sched.c (sched_analyze): Keep the list of notes organized
19603 (reemit_notes): Likewise.
19605 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
19607 * ggc.h (ggc_root): Move to ggc-common.c.
19609 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
19610 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
19611 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
19612 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
19613 * ggc-common.c (ggc_root): Move from ggc.h.
19614 (roots): Declare, static.
19615 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
19616 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
19617 null or check/set mark bit.
19618 (ggc_mark_roots): New.
19619 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
19621 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
19623 * m32r.c: Include toplev.h.
19624 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
19625 (gen_compare): Rename swap_p to must_swap to match uses.
19626 Add default abort case.
19627 (m32r_output_function_epilogue): Remove unused variables.
19628 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
19629 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
19630 define to empty parameter list. Update all uses.
19631 (predicate decls): Use enum machine_mode not int.
19632 * m32r.md (movsi): Call abort, not fatal_insn.
19633 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
19635 1999-09-14 Andrew Haley <aph@cygnus.com>
19637 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
19638 use $0 instead of 0.
19640 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19642 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
19643 computation out of loop over hard regs.
19645 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
19647 * function.c (identify_blocks): Don't shadow a variable in an
19649 * integrate.c (integrate_decl_tree): Don't use pushlevel,
19650 pushdecl, or poplevel to build up the new BLOCK tree.
19651 (expand_inline_function): Likewise.
19652 (integrate_parm_decls): Likewise.
19654 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
19656 * c-typeck.c (qualify_type): Merge qualifiers from both types.
19658 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
19660 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
19661 * invoke.texi: Document this change.
19663 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
19665 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
19667 (mark_emit_status): Renamed from mark_emit_state.
19668 * except.c (mark_eh_status): Renamed from mark_eh_state.
19669 Check not null before marking.
19670 (free_eh_status): New.
19671 * expr.c (mark_expr_status, free_expr_status): New.
19672 * function.c (free_machine_status): New.
19673 (free_after_parsing): New.
19674 (free_after_compilation): Move bits to free_after_parsing; call
19675 free_eh_status, free_expr_status; zero the marked members of the
19677 (prepare_function_start): No can_garbage_collect.
19678 Call init_eh_for_function.
19679 (expand_dummy_function_end): Free up current_function state.
19680 (mark_function_status): Renamed from mark_function_state.
19681 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
19682 * function.h (struct function): No can_garbage_collect.
19683 (free_machine_status, free_after_parsing): Declare.
19684 (free_eh_status, free_expr_status): Declare.
19685 * ggc.h (mark_expr_status): Declare.
19686 * stmt.c (free_stmt_status): Free the struct.
19687 (mark_stmt_status): Renamed from mark_stmt_state.
19688 (init_stmt): Don't call init_eh.
19689 (init_stmt_for_function): Don't call init_eh_for_function.
19690 * toplev.c (compile_file): Call init_eh.
19691 (rest_of_compilation): Free basic block info before ggc_collect.
19692 Call free_after_parsing; conditionally call free_after_compilation.
19693 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
19694 Check not null before marking.
19695 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
19697 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
19699 * c-lex.c (yylex): Initialize warn.
19701 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
19703 * pa.c (emit_move_sequence): Properly set the mode of the scratch
19704 register when performing secondary reloads for the SAR register.
19706 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
19708 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
19709 (NOTE_BLOCK): New macro.
19710 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
19711 * function.h (identify_blocks): Change prototype.
19712 * function.c (identify_blocks): Simplify.
19713 (reorder_blocks): Likewise.
19714 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
19715 NOTE_INSN_BLOCK_{BEG,END}.
19716 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
19717 the list of saved notes if the note isn't a
19718 NOTE_INSN_BLOCK_{BEG,END}.
19719 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
19721 (reemit_notes): Adjust recreation of notes to reflect new saved
19723 * print-rtl.c (print_rtx): Print the address of the BLOCK when
19724 printing a block note.
19725 * stmt.c (block_vector): Remove.
19726 (find_loop_tree_blocks): Simplify.
19727 (unroll_block_trees): Likewise.
19728 * tree.h (reorder_block): Change prototype.
19730 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
19732 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
19733 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
19734 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
19735 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
19736 (atexit, exit): Simplify.
19737 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
19738 * config/lots: Remove defns of HAVE_ATEXIT.
19740 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
19742 * calls.c (precompute_arguments): Fix typo in comment.
19743 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
19746 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
19748 * dsp16xx.c (override_options): Fix typos in GC root registration.
19750 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
19752 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
19753 from config/svr4.h.
19754 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
19755 (FUNCTION_PROFILER): Redefine appropriately for Linux.
19756 (CC1_SPEC): Likewise.
19758 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19760 * genattr.c (main): Add extern prototype. Call return, not exit.
19761 * genattrtab.c (main): Likewise.
19762 * gencheck.c (main): Likewise.
19763 * gencodes.c (main): Likewise.
19764 * genconfig.c (main): Likewise.
19765 * genemit.c (main): Likewise.
19766 * genextract.c (main): Likewise.
19767 * genflags.c (main): Likewise.
19768 * gengenrtl.c (main): Likewise.
19769 * genopinit.c (main): Likewise.
19770 * genoutput.c (main): Likewise.
19771 * genpeep.c (main): Likewise.
19772 * genrecog.c (main): Likewise.
19774 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
19775 * genattrtab.c (get_insn_name): Likewise.
19776 * gencodes.c (get_insn_name): Likewise.
19777 * genconfig.c (get_insn_name): Likewise.
19778 * genemit.c (get_insn_name): Likewise.
19779 * genextract.c (get_insn_name): Likewise.
19780 * genflags.c (get_insn_name): Likewise.
19781 * genopinit.c (get_insn_name): Likewise.
19782 * genpeep.c (get_insn_name): Likewise.
19784 * gencheck.c (usage): Add static prototype.
19785 * genextract.c (print_path): Constify a char*.
19786 * genopinit.c (optabs): Likewise.
19787 * genoutput.c (operand_data, data, output_predicate_decls,
19788 compare_operands): Likewise.
19789 * genrecog.c (write_tree): Add default case in switch.
19791 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19793 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
19795 * print-rtl.c (get_insn_name): Remove prototype.
19797 * toplev.h (progname): Declare const.
19799 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
19800 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
19801 dump_sched_info, dump_local_alloc, regset_release_memory,
19802 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
19803 error_with_file_and_line, error_with_decl, error_for_asm, error,
19804 fatal, warning_with_file_and_line, warning_with_decl, warning,
19805 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
19806 Remove redundant prototypes.
19808 (notice, check_lang_option, report_file_and_line, vnotice,
19809 mark_file_stack): Add static prototype.
19810 (set_fatal_function): Add prototype.
19811 (vnotice, report_file_and_line, set_fatal_function,
19812 check_lang_option): Constify a char*.
19813 (main): Prototype. Call return, not exit.
19815 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19817 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
19819 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
19821 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
19823 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
19825 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19827 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
19828 behave as if it's zero in all cases.
19829 (expand_function_start): Adjust call to assign_parms.
19830 * tree.h (assign_parms): Adjust prototype.
19831 * objc/objc-act.c (hack_method_prototype): Adjust call to
19834 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
19836 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
19837 arg_pointer_rtx fixed if the argument pointer register is
19839 (NONZERO_BASE_PLUS_P): Likewise.
19841 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
19843 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
19844 match_insn2 to match_insn.
19845 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
19847 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
19849 * Makefile.in (USER_H): Remove va-foo.h.
19851 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
19852 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
19853 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
19854 va-spur.h,va-v850.h}: Remove.
19856 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
19858 * sparc/sparc.md (eligible_for_return_delay): New attribute.
19859 (in_return_delay): Use it instead of match_insn.
19861 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
19863 * config/alpha/va_list.h (va-alpha.h): Do not include.
19864 (__gnuc_va_list): Typedef as in varargs.h.
19866 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
19868 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
19869 DECL_LIVE_RANGE_RTL.
19871 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
19873 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
19874 not NOTE_BLOCK_NUMBER.
19875 (expand_eh_region_end): Likewise.
19876 (find_exception_handler_labels): Likewise.
19877 (scan_region): Likewise.
19878 (exception_optimize): Likewise.
19879 (update_rethrow_references): Likewise.
19880 (set_insn_eh_region): Likewise.
19881 * final.c (final_scan_insn): Likewise.
19882 * flow.c (make_edges): Likewise.
19883 * integrate.c (expand_inline_function): Likewise.
19884 * print-rtl.c (print_rtx): Likewise.
19886 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
19888 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
19889 terms of builtin functions and types.
19891 * mips.c (mips_build_va_list): New.
19892 (mips_va_start, mips_va_arg): New.
19893 * mips.h (BUILD_VA_LIST_TYPE): New.
19894 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19896 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
19897 (sh_build_va_list, sh_va_start, sh_va_arg): New.
19898 * sh.h (BUILD_VA_LIST_TYPE): New.
19899 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
19901 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
19903 * recog.h (struct recog_data): Make dup_num, operand_address_p,
19904 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
19905 (struct insn_data): Likewise with n_operands, n_dups,
19906 n_alternatives, output_format.
19907 * regclass.c (scan_one_insn): Cast n_operands to int before
19908 arithmetic inside comparison.
19910 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
19912 * toplev.c (compile_function): Unconditionally emit nop.
19914 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19916 * haifa-sched.c (actual_hazard): Move declaration of variable
19917 `this_cost' into the scope where it is used.
19919 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19921 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
19922 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
19923 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
19925 * genrecog.c (make_insn_sequence): Call memset, not bzero.
19927 * jump.c (find_insert_position): Don't declare or define unless
19928 !HAVE_conditional_arithmetic.
19929 (returnjump_p_1, delete_prior_computation): Add static prototypes.
19931 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
19933 * recog.c (offsettable_address_p): Prototype function pointer.
19934 (preprocess_constraints): Call memset, not bzero.
19936 * tree.c (tree_node_kind_names): Constify a char*. Make static.
19937 (gcc_obstack_init): Don't declare.
19938 (fix_sizetype): Add static prototype.
19939 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
19940 (tree_cons): Call memset, not bzero.
19942 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
19943 definition in macro ASM_WEAKEN_LABEL.
19944 (mark_const_hash_entry): Add static prototype.
19946 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19948 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
19950 * unroll.c (find_common_reg_term, subtract_reg_term,
19951 loop_find_equiv_value): Add static prototypes.
19952 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
19953 (copy_loop_body): Remove unreachable break statement.
19955 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
19957 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
19959 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
19961 Undo some changes from the gcc2 merge:
19962 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
19963 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
19967 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
19968 * emit-rtl.c (gen_lowpart_common): Disable optimization of
19969 initialized float-int union if the value is a NaN.
19971 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
19973 * gthr-win32.h: New file.
19975 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
19976 shared as a valid attribute.
19977 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
19978 * extend.texi: Document `shared' variable attribute.
19980 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
19982 * configure.in: Handle --enable-threads on FreeBSD.
19983 * configure: Rebuit.
19985 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19987 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
19989 * configure: Rebuilt.
19991 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
19992 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
19993 Rosimildo DaSilva <rdasilva@connecttel.com>
19995 * configure.in (m68k-*-rtemscoff*): Added.
19996 * configure.in (mips64orion-*-rtems*): Converted to ELF.
19997 * configure.in (sparc-*-rtemsaout*): Added as alias for old
19998 sparc-rtems configuration.
19999 * configure.in (sparc-*-rtemself*): Added.
20000 * configure.in (sparc-*-rtems*): Now ELF not a.out.
20001 * config/i386/rtems.h: Added comment.
20002 * config/sparc/rtemself.h: New file.
20004 * configure.in (m68k-rtemself): Added.
20005 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
20006 and DWARF_DEBUGGING_INFO.
20007 * config/m68k/crti.s: New file.
20008 * config/m68k/crtn.s: New file.
20009 * config/m68k/t-crtstuff: New file.
20010 * config/m68k/rtemself.h: New file.
20012 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
20013 global ctor/dtor and C++ exception handling.
20014 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
20015 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
20017 * config/i386/t-rtems-i386: New File.
20019 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
20021 * stmt.c (expand_end_case): Return right away if the case stack is
20024 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
20026 * Makefile.in (version.c): Remove rule incorrectly brought in from
20029 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
20031 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
20032 * msdos/top.sed: Take into account a prepended $(SHELL) to
20034 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
20036 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
20038 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20040 * regmove.c (fixup_match_1): Don't change an unchanging register.
20041 (stable_but_for_p): Renamed to:
20042 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
20043 Changed all callers.
20045 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
20047 * loop.c (strength_reduce): Don't call reg_used_between_p if the
20048 insn from BL2 is after the insn from BL.
20050 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
20052 * recog.h (INSN_OUTPUT_FORMAT_*): New.
20053 (struct insn_data): Merge `template' and `outfun' into `output'.
20054 Add `output_format'.
20055 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
20056 (struct data): Remove `outfun'; add `output_format'.
20057 (name_for_index): Remove declaration.
20058 (output_insn_data): Handle output formats.
20059 (process_template): Emit the bare array for @.
20060 (gen_expand, gen_split): Set output_format to NONE.
20061 * output.h (get_insn_template): Declare.
20062 * final.c (get_insn_template): New.
20063 (final_scan_insn): Use it.
20064 * toplev.c (compile_file): Likewise.
20066 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20067 * i860/i860.c (output_delayed_branch): Likewise.
20068 (output_delay_insn): Likewise.
20070 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
20072 * rtl.c (obstack_alloc_rtx): Removed.
20074 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
20076 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
20078 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
20080 * i386.c (call_insn_operand): Reject const_int.
20081 (expander_call_insn_operand): Use call_insn_operand.
20083 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20085 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
20087 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
20089 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
20090 Use DImode operation.
20092 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
20094 * gcc.c: Include sys/resource.h.
20095 (report_times): New flag.
20096 (execute): If report_times is set, calculate and report the
20097 CPU time consumed by each subprocess.
20099 (rus, prus): New globals.
20100 (option_map): Add --time.
20101 (display_help): Document -time.
20102 (process_command): Set report_times if -time is given.
20103 Turn off -pipe if -time is given.
20105 * invoke.texi: Document new option -time.
20107 * configure.in: Check for getrusage. Check if we have to
20108 prototype getrusage.
20109 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
20110 * configure: Regenerate.
20111 * config.in: Regenerate.
20113 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
20115 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
20118 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
20120 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
20121 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
20122 (nan): Return _thenan_sf or _thenan_df as appropriate.
20123 (L_thenan_sf): Define _thenan_sf.
20124 (L_thenan_df): Define _thenan_df.
20126 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
20127 (DPBIT_FUNCS): Add _thenan_df.
20129 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
20131 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
20134 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20136 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
20139 (lang_specific_driver): Don't take a function pointer parameter.
20140 All callers changed.
20142 * gcc.c: Include gcc.h.
20143 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
20144 lang_specific_extra_outfiles, fatal): Don't declare.
20145 (multilib_defaults_raw): Constify.
20146 (read_specs): Call memset, rather than bzero.
20147 (main): Call return, not exit.
20148 (lookup_compiler): Call memcpy, not bcopy.
20149 (fatal): Make extern.
20151 * cppspec.c: Include gcc.h.
20152 (lang_specific_driver): Initialize variable `quote'. Constify a
20153 char*. All calls to the function pointer parameter now
20154 explicitly call `fatal'.
20156 * gccspec.c (lang_specific_driver): Include gcc.h.
20158 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
20160 * arm.c (note_invalid_constants): Use recog_data.operand_type
20163 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20165 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
20168 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
20169 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20170 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20171 reload_secondary_in_reload, reload_secondary_out_reload,
20172 reload_secondary_in_icode, reload_secondary_out_icode,
20173 reload_reg_rtx, reload_when_needed): Delete declarations.
20174 (struct reload): New structure.
20175 (rld): Declare new array.
20176 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
20177 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
20178 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
20179 reload_secondary_in_reload, reload_secondary_out_reload,
20180 reload_secondary_in_icode, reload_secondary_out_icode,
20181 reload_reg_rtx, reload_when_needed): Delete definitions.
20183 (whole file): Replace uses of the deleted arrays with uses of rld.
20184 * reload1.c (whole file): Replace uses of the deleted arrays with
20186 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
20187 explicit loops, not with bcopy.
20189 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
20191 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
20192 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
20193 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
20194 insn_name): Delete and consolidate into new structures.
20195 (insn_operand_predicate_fn): New.
20196 (insn_output_fn): New.
20197 (insn_gen_fn): New.
20198 (struct insn_operand_data): New.
20199 (struct insn_data): New.
20201 (OUT_FCN): Update for insn_data change.
20202 * builtins.c (expand_builtin_strlen): Likewise.
20203 (expand_builtin_memcmp): Likewise.
20204 * combine.c (make_extraction, simplify_comparison): Likewise.
20205 * cse.c (canon_reg, cse_insn): Likewise.
20206 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
20207 * expmed.c (store_bit_field, extract_bit_field): Likewise.
20208 (emit_store_flag): Likewise.
20209 * expr.c (convert_move, emit_block_move): Likewise.
20210 (clear_storage, emit_push_insn, expand_increment): Likewise.
20211 (do_store_flag): Likewise.
20212 * expr.h (GEN_FCN): Likewise.
20213 (insn_gen_function): Die.
20214 * final.c (final_scan_insn): Update for insn_data change.
20215 (output_asm_name): Likewise.
20216 * function.c (fixup_var_refs_1): Likewise.
20217 * loop.c (check_dbra_loop): Likewise.
20218 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
20219 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
20220 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
20221 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
20222 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
20223 * regmove.c (gen_add3_insn): Likewise.
20224 * reload.c (push_secondary_reload, combine_reloads): Likewise.
20225 (find_reloads, find_reloads_address_1): Likewise.
20226 (debug_reload_to_stream): Likewise.
20227 * reload1.c (emit_reload_insns, gen_reload): Likewise.
20228 * stmt.c (expand_end_case): Likewise.
20229 * toplev.c (compile_file): Likewise.
20231 * c4x/c4x.c (c4x_process_after_reload): Likewise.
20232 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20234 * print-rtl.c (insn_name_ptr): Remove declaration.
20235 (get_insn_name): Declare.
20236 (print_rtx): Use it.
20237 * genoutput.c (insn_name_ptr): Remove.
20238 (next_operand_number): New.
20239 (struct operand_data): New.
20240 (null_operand, odata, odata_end): New.
20241 (struct data): Use struct operand_data.
20242 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
20243 (get_insn_name): Renamed from name_for_index.
20244 (output_prologue): Define NO_MD_PROTOTYPES.
20245 (output_predicate_decls): Break out from output_epilogue.
20246 Iterate over the operands list.
20247 (output_operand_data): Break out from output_epilogue. Emit
20248 just the operands list.
20249 (output_insn_data): Break out from output_epilogue. Emit just
20251 (output_epilogue): Remove.
20252 (output_get_insn_name): New.
20253 (constraints, op_n_alternatives, predicates, address_p): Die.
20254 (modes, strict_low, seen): Die.
20255 (scan_operands): Take new param `d' instead of writing to
20256 seven global variables.
20257 (compare_operands): New.
20258 (place_operands): New.
20259 (validate_insn_alternatives): Update for struct data change.
20260 (gen_insn): Don't zero or copy 7 global arrays. Update for
20261 scan_operands; call place_operands.
20262 (gen_peephole, gen_expand, gen_split): Likewise.
20263 (main): Update for new output routines.
20265 * genattr.c (insn_name_ptr): Remove.
20266 (get_insn_name): New function.
20267 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
20268 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
20269 * genrecog.c: Likewise.
20271 * alpha.md (adddi3): Make `pattern' array static.
20273 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20275 * config/c4x/c4x.h (c4x_rpts_cycles_string,
20276 c4x_cpu_version_string): Constify char *.
20277 * config/c4x/c4x.c (c4x_rpts_cycles_string,
20278 c4x_cpu_version_string): Likewise.
20280 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
20282 * tree.c (save_tree_status): Revert 10 Sep change.
20283 (restore_tree_status): Likewise. Call obstack_free with NULL
20284 before freeing the obstack proper.
20286 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
20288 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
20290 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
20291 surrounding context.
20293 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
20295 * tree.c (type_hash_canon): Put all types in the hash-table, when
20298 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
20300 * recog.h (struct recog_data, recog_data): New.
20301 (recog_foo variables): Kill.
20302 * recog.c (recog_operand, recog_operand_loc): Kill.
20303 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
20304 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
20305 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
20306 (recog_data): Define.
20307 (extract_insn): Update all recog_foo references to use recog_data.
20308 (preprocess_constraints, constrain_operands): Likewise.
20309 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
20310 * genattrtab.c (main): Likewise.
20311 * genextract.c (main): Likewise.
20312 * genoutput.c: Likewise.
20313 * genrecog.c (write_subroutine, main): Likewise.
20314 * local-alloc.c (block_alloc): Likewise.
20315 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
20316 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
20317 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
20318 * reload.c (find_reloads, find_reloads_toplev): Likewise.
20319 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
20320 (reload_cse_simplify_operands): Likewise.
20322 * arc/arc.c (arc_final_prescan_insn): Likewise.
20323 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
20324 * h8300/h8300.c (notice_update_cc): Likewise.
20325 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
20326 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
20327 * mn10200/mn10200.c (notice_update_cc): Likewise.
20328 * mn10300/mn10300.c (notice_update_cc): Likewise.
20329 * romp/romp.c (update_cc): Likewise.
20330 * sparc/sparc.c (check_pic): Likewise.
20331 * v850/v850.c (notice_update_cc): Likewise.
20333 * genemit.c (main): Don't declare recog_operand.
20335 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
20337 * ggc.h (rtvec_def): Forward declare.
20338 (tree_node): Likewise.
20339 (ggc_root): Define.
20341 (ggc_set_mark_rtx): Add prototype.
20342 (ggc_set_mark_rtvec): Likewise.
20343 (ggc_set_mark_tree): Likewise.
20344 * ggc-simple.c (ggc_root): Don't define.
20345 (roots): Don't declare.
20346 (ggc_mark_rtx): Remove.
20347 (ggc_mark_rtvec): Likewise.
20348 (ggc_mark_tree): Likewise.
20349 (ggc_mark_varray): Likewise.
20350 (ggc_mark_tree_hash_table_entry): Likewise.
20351 (ggc_mark_tree_hash_table): Likewise.
20352 (ggc_set_mart_rtx): New function.
20353 (ggc_set_mark_rtvec): Likewise.
20354 (ggc_set_mark_tree): Likewise.
20355 (ggc_add_root): Remove.
20356 (ggc_add_rtx_root): Likewise.
20357 (ggc_remove_tree_root): Likewise.
20358 (ggc_add_string_root): Likewise.
20359 (ggc_add_tree_varray_root): Likewise.
20360 (ggc_add_tree_hash_table_root): Likewise.
20361 (ggc_del_root): Likewise.
20362 (ggc_mark_rtx_ptr): Likewise.
20363 (ggc_mark_tree_ptr): Likewise.
20364 (ggc_mark_string_ptr): Likewise.
20365 (ggc_mark_tree_varray_ptr): Likewise.
20366 (ggc_mark_tree_hash_table_ptr): Likewise.
20367 * ggc-common.c: New file.
20368 * Makefile.in (OBJS): Add ggc-common.o.
20369 (ggc-common.o): List dependencies.
20371 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
20373 * cppalloc.c (xstrdup): Use memcpy.
20374 * cpperror.c (cpp_print_containing_files): Don't use
20376 * cpplib.c (conditional_skip): Set temp->lineno.
20377 (do_endif): Make error message less obscure.
20378 (if_directive_name): New function.
20379 (cpp_get_token [case EOF]): Unwind the if stack and generate
20380 error messages for each unterminated conditional in this file.
20381 (parse_string): Do not behave differently if -traditional.
20383 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
20385 * builtins.c (expand_builtin_va_arg): Cope with an array-type
20386 va_list decomposing to pointer-type.
20387 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
20388 (rs6000_va_arg): Likewise.
20390 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
20392 * except.c (start_dynamic_handler): Compute size using
20393 STACK_SAVEAREA_MODE.
20395 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20397 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
20398 include directory headers. Don't define strrchr. Don't provide
20399 my_* replacement functions. Prefer PTR over `pointer_type'.
20400 Don't prototype system functions. Don't redefine getopt.
20402 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
20403 safe_read, safe_write, save_pointers, restore_pointers,
20404 is_id_char, in_system_include_dir, directory_specified_p,
20405 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
20406 find_corresponding_lparen, referenced_file_is_newer,
20407 save_def_or_dec, munge_compile_params, gen_aux_info_file,
20408 process_aux_info_file, identify_lineno, check_source,
20409 seek_to_line, forward_to_next_token_char, output_bytes,
20410 output_string, output_up_to, other_variable_style_function,
20411 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
20412 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
20413 find_static_definition, connect_defs_and_decs, add_local_decl,
20414 add_global_decls, needs_to_be_converted, visit_each_hash_node,
20415 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
20416 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
20417 scan_for_missed_items, edit_file, string_list_cons): Add static
20419 (standard_exec_prefix, target_machine, target_version,
20420 default_syscalls_dir, string_list, string_list_cons, find_file,
20421 do_cleaning): Constify a char*.
20422 (safe_read, safe_write): Use PTR, not a char*.
20423 (is_id_char): Take an int, not a char.
20424 (main): Add prototype. Call return, not exit.
20426 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
20428 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
20429 when comparing types.
20431 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
20433 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
20434 (strength_reduce): Release the varrays from the no-bivs early exit.
20436 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
20437 the loop over the registers.
20439 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
20441 (restore_tree_status): Check that instead when freeing the obstack.
20443 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
20445 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
20448 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20450 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
20451 operand size modifiers.
20453 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20455 * c-common.c (c_common_nodes_and_builtins): Don't build
20457 * c-common.h (enum c_tree_index and related accesor macros): Remove
20458 everything now declared in tree.h.
20459 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20460 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
20461 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
20462 (error_mark_node, void_type_node, char_type_node, integer_type_node,
20463 unsigned_type_node, ptr_type_node, va_list_type_node,
20464 integer_zero_node, null_pointer_node, integer_one_node): Delete.
20465 (init_decl_processing): Call build_common_tree_nodes and
20466 build_common_tree_nodes_2 instead of building their nodes here.
20467 Don't add roots for these nodes.
20468 * stor-layout.c (size_zero_node, size_one_node): Delete.
20469 (set_sizetype): Make a new node for bitsizetype each time.
20470 * tree.c (global_trees): New variable.
20471 (init_obstacks): Add a gc root for it.
20472 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
20473 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
20474 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
20475 (build_common_tree_nodes): New function.
20476 (fix_sizetype): New function.
20477 (build_common_tree_nodes_2): New function.
20478 * tree.h (enum tree_index): New.
20479 (global_trees): Declare.
20480 Add accessor macros for all nodes now moved to global_trees.
20481 Delete their declarations.
20483 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
20485 * c-decl.c (finish_function): When processing a nested function,
20486 push and pop GC context around rest_of_compilation.
20488 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
20490 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
20491 Default ix86_arch to PROCESSOR_I386.
20492 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
20493 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
20494 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
20495 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
20496 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
20497 (EXTRA_SPECS): Remove deleted specs.
20499 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
20501 * function.c (assign_stack_local_1): Allocate from
20502 function->x_frame_offset, not frame_offset.
20504 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
20506 * ggc.h (lang_cleanup_tree): Remove.
20507 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
20508 * ggc-callbacks.c (lang_cleanup_tree): Remove.
20510 * c-decl.c (finish_struct): Use ggc_alloc to allocate
20511 TYPE_LANG_SPECIFIC when garbage collecting.
20512 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
20513 (lang_cleanup_tree): Remove.
20515 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
20517 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
20518 * crtstuff.c: Not here.
20519 * dwarf2out.c: Or here.
20520 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
20523 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
20525 * function.h (free_after_compilation): Remove decl parameter.
20526 (free_varasm_status0: Likewise.
20527 (free_emit_status): Likewise.
20528 (free_stmt_status): Likewise.
20529 (free_after_compilation): Likewise.
20530 (init_lang_status): New variable.
20531 (free_lang_status): Likewise.
20532 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
20533 * function.c (init_lang_status): New variable.
20534 (free_lang_status): Likewise.
20535 (push_function_context_to): Don't set function::decl here.
20536 (free_after_copmilation): Make decl parameter implicit. Call
20537 free_lang_status if defined.
20538 (prepare_function_start): Call init_lang_status if defined.
20539 (init_function_start): Set function::decl here.
20540 * profile.c (output_func_start_profiler): Don't call pushdecl
20541 until we've actually started the function.
20542 * stmt.c (free_stmt_status): Make decl parameter implicit.
20543 * toplev.c (rest_of_compilation): Don't pass decl to
20544 free_after_compilation.
20545 * varasm.c (free_varasm_status): Likewise.
20547 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
20549 * except.c (call_get_eh_context): Add root when allocating static
20552 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
20554 * arm.c: Include "ggc.h".
20555 (arm_add_gc_roots): New function.
20556 (arm_override_options): Call it.
20557 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
20559 * arm.md (define_asm_attributes): Add a pool_range attribute.
20561 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
20563 * extend.texi (Volatiles): New node.
20565 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
20567 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
20568 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
20569 (struct ggc_any): Replace `mark' with `magic_mark'.
20570 (ggc_alloc_string): Use memcpy, not bcopy.
20571 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
20572 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
20573 (ggc_free_any): New.
20574 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
20575 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
20576 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
20577 Use IS_MARKED. Use ggc_free_any.
20579 1999-09-09 Scott Bambrough <scottb@netwinder.org>
20581 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
20583 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
20585 * toplev.c (main): Always init_ggc.
20587 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
20589 * except.c (find_all_handler_type_matches): Free the list if
20590 we found no matches.
20592 * combine.c (SUBST): Break out to a real function do_SUBST.
20593 (SUBST_INT): Likewise.
20594 * gcse.c (free_pre_mem): Free `temp_bitmap'.
20595 (pre_insert): Free `inserted'.
20596 * loop.c (basic_induction_var): Always set `location'.
20598 * function.c (expand_function_end): Add initial_trampoline as a root.
20599 * rtl.h (init_varasm_once): Declare.
20600 * toplev.c (compile_file): Call it.
20601 * ggc-simple.c (ggc_mark_string_ptr): New.
20602 (ggc_add_string_root): New.
20603 (ggc_collect): Disable collection avoidance temporarily.
20604 * ggc.h (ggc_add_string_root): Declare.
20605 * except.c (create_rethrow_ref): Use ggc_alloc_string.
20606 * optabs.c (init_libfuncs): Likewise.
20607 * varasm.c (named_section): Use ggc_alloc_string.
20608 (make_function_rtl): Likewise.
20609 (make_decl_rtl): Likewise.
20610 (assemble_static_space): Likewise.
20611 (assemble_trampoline_template): Likewise.
20612 (output_constant_def): Likewise.
20613 (force_const_mem): Likewise.
20614 (mark_const_hash_entry): New.
20615 (mark_pool_sym_hash_table): New.
20616 (mark_varasm_state): Use it.
20617 (init_varasm_once): New.
20619 * expr.h (init_one_libfunc): Declare.
20620 * optabs.c (init_one_libfunc): New.
20621 (init_optabs): Use it.
20622 * config/gofast.h: Likewise.
20623 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
20624 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
20626 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
20628 * Makefile.in (cppexp.o): Depend on cpphash.h.
20629 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
20631 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
20632 * cpplib.c (do_define): Generalise to handle poisoned definitions,
20633 redefining poisoned identifiers, etc.
20634 (do_undef): Don't allow poisoned identifiers to be undefined.
20635 (do_pragma): Add #pragma poison.
20636 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20638 * cccp.c: Add T_POISON node type.
20639 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
20641 (do_define): Generalise to handle poisoned definitions,
20642 redefining poisoned identifiers, etc.
20643 (do_undef): Don't allow poisoned identifiers to be undefined.
20644 (do_pragma): Add #pragma poison.
20645 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
20647 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
20648 * c-pragma.h: Add ps_poison state. We now always have generic
20651 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
20653 * ggc.h (ggc_alloc): New function.
20654 (ggc_mark): Likewise.
20655 * ggc-simple.c (ggc_any): New structure.
20656 (ggc_status): Add anys.
20657 (n_anys_collected): New variable.
20658 (ggc_alloc): Define.
20659 (ggc_mark): Likewise.
20660 (ggc_collect): Collect the anys.
20662 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20664 * c-decl.c (mark_binding_level): Make static to match prototype.
20666 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
20668 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
20670 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
20672 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
20673 will use into account. Expand the max width to 5.
20676 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
20678 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
20679 for the rtx length.
20681 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
20683 * alpha.md (call value patterns): Remove the result predicates.
20685 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
20687 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
20690 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20692 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
20693 changed from extern char *, to extern PTR. Also fix typo in
20694 NEED_DECLARATION_REALLOC test.
20696 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
20698 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20700 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
20701 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
20702 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
20703 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
20705 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
20707 * cccp.c (pcfinclude): Likewise.
20709 * global.c (allocno_compare): Likewise.
20711 * haifa-sched.c (rank_for_schedule): Likewise.
20713 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
20715 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
20717 * stupid.c (stupid_reg_compare): Likewise.
20719 * tree.c (_obstack_allocated_p): Likewise.
20721 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
20723 1999-09-08 Bruce Korb autogen@linuxbox.com
20725 * Makefile.in: Give the hapless gperf user a hint about
20726 why "gperf -F" fails.
20728 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
20730 * lists.c: Include ggc.h.
20732 (init_EXPR_INSN_LIST_cache): Install it.
20734 * ggc-simple.c (init_ggc): Absorb the old init.
20735 (ggc_push_context): Use xcalloc.
20736 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
20737 (ggc_collect): Add [rvts] tags to the collection stats.
20739 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
20741 * cccp.c (main): Fix handling of -include and -imacros options.
20743 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
20745 * cpplib.c (cpp_push_buffer): Fix order of arguments.
20747 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
20749 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
20752 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
20754 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
20755 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
20756 and SET_DEST. Update comment.
20758 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
20760 * config/c4x/c4x.c: Include ggc.h.
20761 (c4x_add_gc_roots): New function.
20762 (c4x_override_options): Call c4x_add_gc_roots.
20764 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
20766 * defaults.h (TARGET_ESC): Move ...
20767 * system.h: ... here, where Linas had it in the first place. Silly me.
20769 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
20771 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
20772 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
20773 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
20774 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
20775 * defaults.h (TARGET_ESC): Add default.
20777 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
20779 * configure.in: add i370-*-openedition, i370-*-mvs and
20780 i370-*-linux targets
20782 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
20784 * dsp16xxx.c: Include ggc.h
20785 (override_options): Mark GC roots.
20786 * mn10200.c: Include ggc.h.
20787 (asm_file_start): Mark GC roots.
20788 * tahoe.c: Include ggc.h.
20789 (extensible_operand): Mark GC roots.
20791 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
20793 * README: Add section discussing status of ELF ABI.
20794 * i370.c: Fix misc spelling mistakes.
20795 (i370_label_scan): Updated notes, exception handling.
20796 (i370_function_prolog): Simplify ELF stack handling.
20797 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
20798 (STACK_GROWS_DOWNWARD): ELF stack grows down.
20799 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
20800 * i370.md: (movdi): Add notes.
20801 (floatsidf2): Use stack not rtca for scratch float area.
20802 (iorsi3): Correct operand constraints.
20803 * x-oe: Restore TAROUTOPTS which are used by pax.
20805 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
20807 * rs6000.c: Include ggc.h.
20808 (rs6000_add_gc_roots): New function.
20809 (override_options): Call it.
20811 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
20813 * alpha.h (alpha_compare): New.
20814 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
20815 * alpha.c: Likewise for the definitions.
20816 (alpha_emit_conditional_branch): Update for alpha_compare.
20817 (alpha_emit_conditional_move): Likewise.
20818 * alpha.md (cmpdf, cmpdi): Likewise.
20819 (setcc patterns): Likewise. Zero alpha_compare after use.
20820 (sne): Optimize (x != 0) into (0U < x).
20822 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
20824 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
20825 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
20826 (INIT_EXPANDERS): Remove.
20827 * alpha.c: Include ggc.h.
20828 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
20829 (alpha_init_machine_status, alpha_mark_machine_status): New.
20830 (override_options): Install them.
20831 (struct machine_function): Moved to alpha.h.
20832 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
20833 (alpha_init_expanders): Remove.
20834 (alpha_return_addr): Adjust to use current_function->machine.
20835 (alpha_ra_ever_killed): Likewise.
20836 (alpha_expand_epilogue): Likewise.
20837 * alpha.md (eh_epilogue): Likewise.
20839 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
20840 Melissa O'Neill <oneill@cs.sfu.ca>
20841 Geoffrey Keating <geoffk@cygnus.com>
20843 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
20844 call-used registers (call-saved registers must still be contiguous
20845 and end with r31, of course).
20847 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
20849 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
20850 (self_promoting_type_p): Delete.
20851 (self_promoting_args_p): Move ...
20852 * c-common.c: ... here.
20853 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
20854 (simple_type_promotes_to): New.
20855 * builtins.c (lang_type_promotes_to): New.
20856 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
20857 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
20858 * c-common.h: ... here.
20859 (self_promoting_args_p, simple_type_promotes_to): Declare.
20860 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
20861 (grokdeclarator): Likewise.
20862 * tree.h (lang_type_promotes_to): Declare.
20864 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
20866 Add some machine-dependent GC roots.
20867 * sparc.c: Include ggc.h.
20868 (sparc_add_gc_roots): New function.
20869 (mark_ultrasparc_pipeline_state): Likewise.
20870 (override_options): Call sparc_add_gc_roots.
20871 * pa.c: Include ggc.h.
20872 (pa_add_gc_roots): New function.
20873 (mark_deferred_plabels): Likewise.
20874 (override_options): Call pa_add_gc_roots.
20875 * mips.c: Include ggc.h.
20876 (mips_add_gc_roots): New function.
20877 (override_options): Use it.
20879 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20881 * cpperror.c (cpp_file_line_for_message): Constify a char*.
20883 * cppexp.c (parse_number, parse_charconst, cpp_lex,
20884 cpp_parse_expr): Add static prototypes.
20885 (parse_charconst): Don't cast away const-ness.
20886 (token): Constify a char*.
20888 * cppfiles.c (file_name_list, include_hash, find_include_file,
20889 finclude, initialize_input_buffer): Constify a char*.
20890 (file_cleanup, find_position): Add static prototypes.
20892 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
20893 collect_expansion): Add static prototypes.
20894 (cpp_install, create_definition, monthnames): Constify a char*.
20896 * cpphash.h (cpp_install): Likewise.
20898 * cppinit.c (known_suffixes, default_include,
20899 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
20900 (base_name, dump_special_to_buffer, initialize_dependency_output):
20901 Add static prototypes.
20903 * cpplib.c (my_strerror): Constify a char*.
20904 (null_underflow, null_cleanup, skip_comment, copy_comment,
20905 copy_rest_of_line, handle_directive, pass_thru_directive,
20906 get_directive_token, read_line_number, cpp_print_file_and_line,
20907 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
20908 v_cpp_warning_with_line, detect_if_not_defined,
20909 consider_directive_while_skipping): Add static prototypes.
20910 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
20911 cpp_pedwarn_with_file_and_line): Constify a char*.
20913 * cpplib.h (cpp_options, include_hash, progname, definition,
20914 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
20915 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
20916 find_include_file, deps_output, include_hash): Constify a char*.
20918 * cppmain.c (progname): Constify.
20919 (main): Add prototype. Use return, not exit.
20921 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
20922 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
20923 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
20924 check_protection): Add static prototype.
20926 (progname, recognized_macrom, recognized_extern): Constify a char*.
20927 (main): Add prototype.
20929 * gen-protos.c (progname): Constify a char*.
20931 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
20933 * emit-rtl.c (free_emit_status): Take decl as a parameter.
20934 (init_emit_once): Add more GC roots.
20935 * except.c (mark_func_eh_entry): New function.
20936 (mark_eh_node): Mark false_label and rethrow_label.
20937 (init_eh): Add more GC roots.
20938 * function.c (free_after_compilation): Take decl as a paramter.
20939 Call free_stmt_status.
20940 (mark_function_state): Don't assume x_parm_reg_stack_loc is
20942 * function.h (free_after_compilation): Change prototype.
20943 (free_varasm_status): Likewise.
20944 (free_emit_status): Likewise.
20945 (free_stmt_status): New function.
20946 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
20947 Remove, replacing with ...
20948 (ggc_status): New structure.
20949 (ggc_chain): New variable.
20950 (init_gcc): Define.
20951 (ggc_push_context): New function.
20952 (ggc_pop_context): Likewise.
20953 (ggc_alloc_rtx): Adjust for use of ggc_chain.
20954 (ggc_alloc_rtvec): Likewise.
20955 (ggc_alloc_tree): Likewise.
20956 (ggc_alloc_string): Likewise.
20957 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
20958 (ggc_mark_tree): Give language-dependent code a chance to mark
20960 (ggc_mark_tree_varray): Handle empty arrays.
20961 (ggc_collect): Adjust for use of ggc_chain. Clear
20962 bytes_alloced_since_last_gc.
20963 * ggc.h (ggc_pop_context): New function.
20964 (ggc_push_context): Likewise.
20965 * print-tree.c (print_node): Don't print obstacks when GC'ing.
20966 * stmt.c (free_stmt_status): New function.
20967 (init_stmt_for_function): Clear last_expr_value.
20968 * toplev.c (rest_of_compilation): Always call free_after_compilation.
20969 Conditionalize call to ggc_collect.
20970 (main): Call init_ggc.
20971 * tree.c (push_obstacks): Do the push, even when GC'ing.
20972 (push_obstacks_nochange): Likewise.
20973 (pop_obstacks): Liekwise.
20974 * varasm.c (free_varasm_status): Take decl as a parameter.
20976 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
20978 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
20979 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
20980 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
20981 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
20983 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
20985 * pa/x-pa-mpeix: New file for the MPE port.
20987 * pa/quadlib.asm: New file for long double support.
20989 * configure.in: Add hppa1.0-*-mpeix for MPE port.
20990 * configure: Rebuilt.
20992 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
20994 * final.c (shorten_branches): Fix last change.
20996 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
20998 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
21000 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
21002 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
21005 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21007 * c-aux-info.c (concat): Don't define.
21009 * cccp.c (my_strerror): Likewise. All callers changed to use
21011 (do_include): Call xstrdup, not xmalloc/strcpy.
21012 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
21013 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
21015 * collect2.c (my_strsignal): Likewise. All callers changed to use
21017 (locatelib): Call xstrdup, not xmalloc/strcpy.
21019 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
21021 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
21023 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
21025 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
21027 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
21029 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
21031 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
21033 (find_all_handler_type_matches): Likewise. Don't check return
21035 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
21036 xmalloc, not malloc.
21037 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
21039 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
21040 (init_spec): Call xcalloc, not xmalloc/bzero.
21041 (set_spec): Call xstrdup, not save_string.
21042 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
21043 (find_a_file): Call xstrdup, not xmalloc/strcpy.
21044 (process_command): Call xstrdup, not save_string.
21045 (main): Call xcalloc, not xmalloc/bzero.
21047 * gcov.c (xmalloc): Don't define.
21048 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
21049 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
21050 (output_data): Call xcalloc, not xmalloc/bzero.
21052 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
21054 * mips-tdump.c (xmalloc): Don't define.
21055 (print_symbol): Call xmalloc, not malloc.
21056 (read_tfile): Call xcalloc, not calloc.
21058 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
21059 Don't define. All callers of xfree/my_strsignal changed to use
21060 free/strsignal instead.
21061 (allocate_cluster): Call xcalloc, not calloc.
21063 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
21064 Fix memory leak, free allocated memory.
21066 * prefix.c (translate_name): Call xstrdup, not save_string.
21067 (update_path): Likewise.
21069 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
21071 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
21072 Don't define. Callers of xfree/savestring2 changed to use
21073 free/concat instead.
21075 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
21076 (init_elim_table): Likewise.
21078 * resource.c (init_resource_info): Likewise.
21080 * stupid.c (stupid_life_analysis): Likewise.
21082 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
21083 (open_dump_file): Call concat, not xmalloc/strcpy/...
21084 (clean_dump_file): Likewise.
21085 (compile_file): Call xstrdup, not xmalloc/strcpy.
21087 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
21089 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
21090 * v850.c (v850_va_arg): New.
21092 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21094 * haifa-sched.c: Tidy comments.
21096 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21098 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
21099 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
21100 $(out_object_file)): Depend on ggc.h.
21101 * c-common.c: Include "ggc.h".
21102 (combine_strings): If doing GC, use ggc_alloc_string.
21103 * c-decl.c: Include "ggc.h".
21104 (ggc_p): Define with value 0.
21105 (mark_binding_level): New function.
21106 (init_decl_processing): Add GC roots.
21107 (mark_c_function_context): New function.
21108 (lang_mark_false_label_stack): New function.
21109 (lang_mark_tree): New function.
21110 (lang_cleanup_tree): New function.
21111 * c-lang.c: Include "ggc.h".
21112 (lang_init): Call c_parse_init.
21113 * c-lex.c: Include "ggc.h".
21114 (check_linenum): If doing GC, don't copy filenames to permanent
21116 * c-parse.in: Include "ggc.h".
21117 (c_parse_init): New function.
21118 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
21119 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
21121 * except.c (mark_eh_state): Mark more state.
21122 * function.c (mark_function_state): Likewise.
21123 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
21124 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
21125 * toplev.c (mark_file_stack): New function.
21126 (compile_file): If doing GC, use ggc_alloc_string on input filename.
21127 (main): Add root for input_file_stack.
21129 * i386.c: Include "ggc.h".
21130 (ix86_mark_machine_status): New function.
21131 (override_options): Set mark_machine_status.
21133 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21135 * tree.c (copy_node): Copy node contents also if doing GC.
21137 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
21139 * collect2.c (scan_libraries): Fix double-thinko :-).
21141 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
21143 * collect2.c (scan_libraries): Fix thinko.
21145 * cse.c (delete_trivially_dead_insns): Do not skip the last
21146 insn if it is a real insn.
21148 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
21150 * Makefile.in (ggc-simple.o): Depend on hash.h.
21151 * ggc.h (ggc_add_tree_hash_table_root): Declare.
21152 (ggc_mark_tree_varray): Likewise.
21153 (ggc_mark_tree_hash_table): Likewise.
21154 * ggc-simple.c: Include hash.h.
21155 (ggc_mark_tree_hash_table_ptr): New function.
21156 (ggc_mark_tree_hash_table_entry): Likewise.
21157 (ggc_mark_tree_hash_table): Likewise.
21158 (ggc_add_tree_hash_table_root): Likewise.
21159 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
21160 rtx, when defining fields.
21162 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21164 * profile.c (output_func_start_profiler): Remove apparently
21165 nonsensical call to start_sequence.
21167 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
21169 * clipper/clipper.c (clipper_va_start): Fix typos.
21171 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
21172 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
21173 (spur_va_arg): New stub.
21175 * configure.in: Comment out pyramid.
21177 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
21179 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
21180 don't conflict with the bits that win32, cygwin, and dgux
21183 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
21184 Bernd Schmidt <bernds@cygnus.co.uk>
21186 * integrate.c (function_cannot_inline_p): Do not inline
21187 functions with forced labels.
21189 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
21190 Bernd Schmidt <bernds@cygnus.co.uk>
21191 Mark Mitchell <mark@codesourcery.com>
21193 * Makefile.in (ggc-simple.o): Depend on varray.h.
21194 (rtl.o): Depend on ggc.h.
21195 (genattrtab.o): Depend on ggc.h.
21196 (print-tree.o): Likewise.
21197 (fold-const.o): Likewise.
21198 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
21199 (make_insn_raw): Don't cache insns when GC'ing.
21200 (emit_insn_before): Likewise.
21201 (emit_insn_after): Likewise.
21202 (emit_insn): Likewise.
21203 (start_sequence): Use xmalloc to allocate the sequence_stack.
21204 (end_sequence): Add free to free it.
21205 (gen_sequence): Don't cache insns when GC'ing.
21206 (clear_emit_caches): Don't use sequence_element_free_list.
21207 (init_emit): Use xcalloc, not xmalloc+bzero.
21208 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
21209 * function.c (pop_function_context_from): Use free to free the
21210 fixup_var_refs_queue.
21211 (put_reg_into_stack): Allocate it with xmalloc.
21212 * genattrtab.c: Include ggc.h.
21213 (operate_exp): Don't use obstack_free when GC'ing.
21214 (simplify_cond): Likewise.
21215 (simplify_text_exp): Likewise.
21216 (optimize_attrs): Likewise.
21217 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
21219 (gencode): Generate a #include for ggc.h.
21220 * ggc-callbacks.c (ggc_p): Define it to zero.
21221 * ggc-none.c (ggc_p): Likewise.
21222 * ggc-simple.c: Include varray.h.
21223 (ggc_mark_tree_varray): New function.
21224 (ggc_add_tree_varray_root): Likewise.
21225 (ggc_mark_tree_varray_ptr): Likewise.
21226 * ggc.h (ggc_p): Declare.
21227 (varray_head_tag): Likewise.
21228 (ggc_add_tree_varray_root): Declare.
21229 * print-tree.c (print_node): Don't check for TREE_PERMANENT
21230 inconsistencies when GC'ing.
21231 * rtl.c: Include ggc.h.
21232 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
21233 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
21234 (rtx_free): Don't call obstack_free when GC'ing.
21235 * toplev.c (rest_of_compilation): Call ggc_collect after every
21237 * tree.c (push_obstacks): Do nothing, if GC'ing.
21238 (pop_obstacks_nochange): Likewise.
21239 (pop_obstacks): Likewise.
21240 (make_node): Use ggc_alloc_tree when GC'ing.
21241 (copy_node): Likewise.
21242 (get_identifier): Use ggc_alloc_string when GC'ing.
21243 (build_string): Likewise.
21244 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
21245 (tree_cons): Likewise.
21246 (build1): Likewise.
21247 (type_hash_canon): Don't call obstack_free when GC'ing.
21249 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
21251 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
21252 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
21254 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
21255 Bernd Schmidt <bernds@cygnus.co.uk>
21256 Mark Mitchell <mark@codesourcery.com>
21258 * Makefile.in (stor-layout.o): Depend on ggc.h.
21259 (expr.o): Depend on ggc.h.
21260 (profile.o): Depend on ggc.h.
21261 (stor-layout.o): Depend on ggc.h.
21262 * emit-rtl.c (init_emit_once): Add gc roots.
21263 * expr.c: Include ggc.h.
21264 (emit_block_move): Add gc roots.
21265 (clear_storage): Likewise.
21266 * expr.h (init_stor_layout_once): New function.
21267 * profile.c: Include ggc.h.
21268 (init_arc_profiler): profiler_label is a root.
21269 * scan.c (make_sstring_space): Trust xrealloc to function
21270 correctly with first parameter NULL.
21271 * stor-layout.c: Include ggc.h.
21272 (set_sizetype): Add gc root.
21273 (init_stor_layout_once): New function.
21274 * toplev.c (compile_file): Call it.
21276 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
21277 Bernd Schmidt <bernds@cygnus.co.uk>
21278 Mark Mitchell <mark@codesourcery.com>
21280 * Makefile.in (tree.o): Depend on ggc.h.
21281 (varasm.o): Likewise.
21282 (function.o): Likewise.
21283 (stmt.o): Likewise.
21284 (except.o): Likewise.
21285 (optabs.o): Likewise.
21286 (emit-rtl.o): Likewise.
21287 * emit-rtl.c: Include ggc.h.
21288 (sequence_element_free_list): Remove, and all references.
21289 (mark_sequence): New functions.
21290 (mark_emit_state): New function.
21291 * except.c: Include ggc.h.
21292 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
21293 (mark_tree_label_node): New functions.
21294 (mark_eh_state): New function.
21295 * function.c: Include ggc.h.
21296 (mark_temp_slot, mark_function_chain): New functions.
21297 (mark_function_state): New function.
21298 (init_function_once): New function.
21299 * function.h (init_function_once): New function.
21300 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
21301 * ggc.h (label_node): Declare.
21302 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
21303 (lang_mark_false_label_stack): New function.
21304 (mark_temp_slot): Remove declaration.
21305 (mark_function_chain): Likewise.
21306 (mark_eh_state): Adjust prototype.
21307 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
21309 * optabs.c: Include ggc.h.
21310 (mark_optab): New function.
21311 (init_optabs): Add gc roots.
21312 * stmt.c: Include ggc.h.
21313 (mark_cond_nesting, mark_loop_nesting): New functions.
21314 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
21315 (mark_stmt_state): New function.
21316 * toplev.c (compile_file): Call init_function_once.
21317 * tree.c: Include ggc.h.
21318 (type_hash): Move declaration earlier in file.
21319 (TYPE_HASH_SIZE, type_hash_table): Likewise.
21320 (init_obstacks): Add gc roots.
21321 (mark_type_hash): New function.
21322 * varasm.c: Include ggc.h.
21323 (mark_pool_constant): New function.
21324 (mark_varasm_state): New function.
21326 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21328 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
21330 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21332 * c-decl.c (struct language_function): Renamed from struct c_function.
21334 (c_function_chain): Delete.
21335 (push_c_function_context): New arg F. Don't warn about nested
21336 functions here. Fill LANGUAGE elt of F. Delete code to update
21337 c_function_chain. Don't call push_function_context.
21338 (pop_c_function_context): New arg F. Restore from there instead of
21339 from c_function_chain. Don't call pop_function_context. Clear out
21340 LANGUAGE field of F when done.
21341 * c-lang.c: Include "function.h"
21342 (lang_init): Initialize save_lang_status and restore_lang_status.
21343 * c-parse.in (nested_function, nested_function_notype): Warn about
21344 nested functions. Call push_function_context/pop_function_context
21345 instead of the _c_ variants.
21346 * c-tree.h (push_c_function_context, pop_c_function_context): Update
21348 * Makefile.in (c-lang.o): Update dependencies.
21350 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
21351 regno_pointer_flag, regno_pointer_align.
21352 (gen_reg_rtx): Use xrealloc to enlarge them.
21353 (free_emit_status): New function.
21354 * function.c (mark_machine_status, mark_lang_status): New variables.
21355 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
21356 in some bits from assign_stack_local. All callers changed to use new
21358 (assign_stack_local): Just call assign_stack_local_1.
21359 (free_after_compilation): New function.
21360 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
21361 (trampoline_address): Likewise.
21362 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
21363 (prepare_function_start): Explicitly clear some more variables.
21364 * function.h (struct function): New elt can_garbage_collect.
21365 (mark_machine_status, mark_lang_status): Declare variables.
21366 (free_after_compilation, free_emit_status, free_varasm_status,
21367 init_varasm_status): Declare functions.
21368 * toplev.c (rest_of_compilation): Call free_after_compilation when
21369 done with the current function.
21370 * varasm.c (free_varasm_status): New function.
21372 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
21374 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
21375 (EXPAND_BUILTIN_VA_ARG): Define.
21376 * sparc.c (sparc_va_start): New.
21377 (sparc_va_arg): New.
21379 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21381 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
21383 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21385 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
21387 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
21389 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
21390 (OBJS): Add $(GGC).
21391 (ggc-callbacks.o): New target.
21392 * ggc-callbacks.c: New file.
21394 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21396 * expr.h: Collapse individual optab and libfunc vars to arrays.
21397 (optab_index, libfunc_index): New enumerations.
21398 (optab_table, libfunc_table): New arrays.
21399 Add accessor macros for both.
21401 * optabs.c (optab_table, libfunc_table): New.
21402 Delete declarations for individual optab and libfunc vars.
21404 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
21406 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
21408 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
21410 * Makefile.in (GGC, GGC_LIB): New.
21411 (HOST_RTL): Include ggc-none.o.
21412 (ggc-simple.o): New target.
21413 (ggc-none.o): Likewise.
21414 * tree.h (tree_common): Add gc_mark.
21415 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
21416 (struct rtvec_def): Add gc_mark.
21417 * emit-rtl.c (global_rtl): Update static initializers to contain
21418 enough initializers.
21419 * ggc.h, ggc-none.c, ggc-simple.c: New files.
21420 * toplev.c (gc_time): New variable.
21421 (all_time): New variable.
21422 (compile_file): Print gc time.
21423 (print_time): Calculate percentage of the whole.
21425 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21427 Change obstack memory management and varasm constant pool handling so
21428 that nested functions are treated like any other functions.
21429 * function.c (init_machine_status): New variable.
21430 (push_function_context_to): Set contains_functions for the outer
21431 function. Don't call save_varasm_status.
21432 (pop_function_context_from): Don't call restore_varasm_status. Don't
21433 set current_function_contains_functions.
21434 (prepare_function_start): Call init_varasm_status rather than
21435 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
21437 * function.h (struct function) Add field varasm. Delete fields
21438 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
21439 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
21440 (init_machine_status): Declare.
21441 (save_varasm_status, restore_varasm_status): Delete declarations.
21442 (save_tree_status, restore_tree_status): Delete last argument.
21443 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
21444 code. All callers changed.
21445 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
21446 save_constants_in_decl_trees, restore_constants, save_constants,
21447 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
21449 (inlining): New variable.
21450 (reg_map, label_map, insn_map, orig_asm_operands_vector,
21451 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
21453 (save_for_inline_nocopy): Don't save constants.
21454 Don't set inl_emit field in current_function.
21455 (expand_inline_function): Use emit field, not inl_emit, of the inlined
21456 function. Set new variable inlining before
21457 calling copy_rtx_and_substitute.
21458 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
21459 constant pool references if inlining is nonzero.
21460 Delete ADDRESS and (most of the) CONST cases.
21461 (output_inline_function): Save and restore current_function/
21462 current_function_decl. Delete restore_constants code. Don't call
21463 init_const_rtx_hash_table.
21464 * output.h (init_const_rtx_hash_table): Don't declare.
21465 * rtl.h (struct function): Declare.
21466 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
21467 * toplev.c (rest_of_compilation): Don't treat nested functions or
21468 functions containing them specially. Delete all code to deal with
21469 save_for_inline_copying.
21470 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
21471 inline_obstacks): Delete variables.
21472 (save_tree_status): Lose arg CONTEXT. All callers changed.
21473 Simply allocate a new function_maybepermanent_obstack for the new
21474 function, delete all the special cases.
21475 Don't save inline_obstacks.
21476 (restore_tree_status): Lose arg CONTEXT. All callers changed.
21477 Delete special handling for function_maybepermanent_obstack; simply
21479 Don't restore inline_obstacks.
21480 (permanent_allocation): Delete code that frees inline_obstacks.
21481 (print_inline_obstack_statistics): Delete function.
21482 (dump_tree_statistics): Don't call it.
21483 * varasm.c (struct varasm_status): New.
21484 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
21485 last_pool, pool_offset, const_double_chain): Delete global
21486 variables, replace with accessor macros.
21487 (immed_double_const): Don't walk const_double_chain outside a
21488 function, but don't treat nested functions specially anymore.
21489 (immed_real_const_1): Likewise.
21490 (clear_const_double_mem): Don't treat nested functions specially.
21491 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
21492 (save_varasm_status, restore_varasm_status): Delete functions.
21493 (init_varasm_status): New function.
21494 (force_const_mem): Don't treat nested functions specially.
21495 (find_pool_constant): Accept new arg F, search for constants in
21496 that function's pool rather than the current one. All callers
21498 (get_pool_constant_for_function, get_pool_mode_for_function): New
21501 * i386.c (init_386_machine_status): New function, mostly from
21502 clear_386_stack_locals.
21503 (struct machine_functions): Rename element names to avoid name
21505 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
21506 macros, replacing global variables.
21507 (clear_386_stack_locals, save_386_machine_status,
21508 restore_386_machine_status): Delete functions.
21509 (override_options): Initialize init_machine_status.
21510 * i386.h (INIT_EXPANDERS): Delete macro.
21511 (save_386_machine_status, restore_386_machine_status,
21512 clear_386_stack_locals): Delete declarations.
21514 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21516 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
21517 (doloop_begin): Simplify pattern and use emit_jump_insn.
21518 (doloop_end): Simplify pattern, switch operand order,
21519 and use emit_jump_insn.
21521 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
21523 * function.h (struct function): Add new element LANGUAGE.
21524 (save_lang_status): Declare new variable.
21525 (restore_lang_status): Likewise.
21526 * function.c (save_lang_status): Define.
21527 (restore_lang_status): Likewise.
21528 (push_function_context_to): Call language-specific save function.
21529 (pop_function_context_from): Call language-specific restore function.
21531 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
21533 * i386.md (movsf_1): Check REG_P before use of REGNO.
21534 (movdf_1): Likewise.
21535 (movxf_1): Likewise.
21536 (extendsfdf2): Likewise.
21537 (extendsfxf2): Likewise.
21538 (extenddfxf2): Likewise.
21540 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
21542 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
21543 constants into memory.
21544 (c4x_shiftable_constant): New function.
21545 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
21546 (c4x_shiftable_constant): Declare.
21547 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
21548 ashlqi3_noclobber): Add new patterns and associated splitters.
21550 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
21552 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
21553 * dwarf2out.c (dwarf2out_frame_init): Likewise.
21554 * final.c (shorten_branches): Likewise.
21555 * global.c (global_alloc): Likewise.
21556 * haifa-sched.c (build_control_flow): Likewise.
21557 * stmt.c (check_for_full_enumeration_handling): Likewise.
21558 (estimate_case_costs): Likewise.
21560 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
21562 * rtl.h (RTL_CHECKC2): Fix typo in last change.
21564 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
21566 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
21567 (recompute_reg_usage): Likewise.
21568 * rtlanal.c (find_regno_fusage): Likewise.
21570 * rtl.c (rtl_check_failed_code1): New function.
21571 (rtl_check_failed_code2): New.
21572 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
21573 (RTL_CHECKC1, RTL_CHECKC2): New.
21574 (XC*): New accessor macros.
21575 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
21576 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
21577 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
21578 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
21579 (TRAP_*, RANGE_INFO_*): Likewise.
21581 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21583 * Makefile.in (tlink.o): Don't depend on toplev.h.
21585 * collect2.c (c_file, o_file, export_file, import_file, ldout,
21586 output_file, nm_file_name, ldd_file_name, strip_file_name,
21587 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
21588 add_prefix, prefix_from_env, prefix_from_string, do_wait,
21589 fork_execute, maybe_unlink, add_to_list,
21590 extract_init_priority, write_list, dump_list,
21591 dump_prefix_list, write_list_with_asm, write_c_file,
21592 write_c_file_stat, write_c_file_glob, scan_prog_file,
21593 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
21594 ignore_library, extract_string, notice, dump_file, target_machine,
21595 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
21596 read_file, print_load_command): Constify a char*.
21597 (fdopen, error, fatal, fatal_perror): Don't prototype.
21598 (my_strerror): Remove. All callers use xstrerror instead.
21599 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
21600 (main): Add prototype. Constify lots of char* ptrs. Change calls
21601 to xcalloc/strcpy/strcat/... to one call to concat.
21602 (main, scan_prog_file, scan_libraries): Use an intermediate
21603 `const char **' to build an argv array.
21604 (mapfile, libselect, libcompare, locatelib): Add prototypes.
21606 * collect2.h (collect_execute, collect_wait, dump_file,
21607 file_exists): Constify a char*.
21608 (ldout, c_file_name, temporary_obstack, permanent_obstack,
21609 temporary_firstobj, vflag, debug): Add extern declarations.
21610 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
21612 * tlink.c: Don't include toplev.h.
21613 (vflag, debug, ldout, c_file_name, temporary_obstack,
21614 permanent_obstack, temporary_firstobj): Don't declare.
21615 (tlink_execute, frob_extension, symbol_hash_lookup,
21616 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
21617 recompile_files, read_repo_files, demangle_new_symbols,
21618 scan_linker_output): Constify a char*.
21619 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
21620 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
21622 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
21624 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
21625 (relative) rather than jsr (absolute) subroutine call insns.
21626 * config/m68k/m68k-coff.h: Ditto.
21628 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
21630 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
21631 now rework these too.
21632 (arm_reorg): If an insn can't reach the end of the current pool,
21633 ensure that we emit that pool before the insn.
21635 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
21637 * tlink.c (scan_linker_output): Skip the initial underscore in
21638 a mangled name if appropriate.
21640 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21642 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
21643 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
21644 error_with_ivar, gen_declarator, create_builtin_decl,
21645 my_build_string, generate_descriptor_table, generate_ivars_list,
21646 generate_dispatch_table, check_protocols, TAG_GETCLASS,
21647 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
21648 dump_base_name, lang_decode_option, build_encode_expr,
21649 start_class, finish_class, encode_pointer, really_start_method,
21650 gen_declaration, dump_interface, handle_class_ref, handle_impent):
21652 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
21653 Add static prototypes.
21654 (build_objc_string_decl, build_selector_reference_decl,
21655 encode_bitfield, build_class_reference_decl): Remove unused
21656 parameter, all callers changed.
21657 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
21658 (objc_printable_name): Likewise. Change second parameter to type int.
21659 (init_objc): Use memcpy, not bcopy, to avoid casts.
21661 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
21663 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
21664 reg notes on a deleted insn.
21665 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
21667 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
21669 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
21671 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21673 * stmt.c (expand_asm_operands): Fix index into inout_mode when
21676 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
21678 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
21679 * tm.texi (MD_ASM_CLOBBERS): Document it.
21681 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
21683 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
21684 * except.c (expand_rethrow): Remove unused variable.
21685 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
21686 * flow.c (replace_insns): Likewise.
21687 (create_edge_list, verify_edge_list): Likewise.
21688 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
21690 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
21691 is special code to run.
21692 (main): Don't define operands to emit_operand.
21693 * genrecog.c (main): Don't emit an empty peephole2_insn function.
21695 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
21697 * alpha/alpha.h (normal_memory_operand): Declare.
21698 (reg_no_subreg_operand): Declare.
21699 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
21701 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
21703 * c-parse.in (compstmt_primary_start): New, broken out of first
21704 part of compstmt handling in primary.
21705 (primary): Use it. Add an error clause.
21706 (compstmt_nostart): Renamed from compstmt; remove all
21707 initial invocations of compstmt_start.
21710 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
21712 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
21715 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
21717 * combine.c (simplify_shift_const): Remove extra semicolon.
21718 * dwarf2out.c (remove_AT): Likewise.
21719 * expmed.c (expand_mult): Likewise.
21720 * gcov.c (create_program_flow_graph): Likewise.
21721 * reorg.c (mostly_true_jump): Likewise.
21723 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
21725 * fold-const.c (fold_range_test): Do not try to fold the range
21726 test if the rhs or lhs has side effects.
21728 * combine.c (simplify_rtx): Recognize another case of a synthesized
21731 * varasm.c (mark_constant_pool): When marking indirect references,
21732 only look at SYMBOL_REFs.
21734 * except.c (expand_fixup_region_end): Do not peek at
21735 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
21737 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
21739 * flags.h: New variables align_loops, align_loops_log,
21740 align_jumps, align_jumps_log, align_labels, align_labels_log,
21741 align_functions, align_functions_log.
21742 * toplev.c: Define them.
21743 (f_options): Handle -falign-* when they have no argument.
21744 (main): Add logic to set variables for -falign-functions,
21745 -falign-jumps, -falign-labels, -falign-loops.
21746 Make it -fsched-verbose=<n> and -finline-limit=<n>.
21747 (display_help): Change help to match options.
21748 * final.c (LABEL_ALIGN): Default to align_labels_log.
21749 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
21750 (LOOP_ALIGN): Default to align_loops_log.
21751 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
21752 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
21753 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
21754 * varasm.c (assemble_start_function): Handle align_functions.
21756 * config/sparc/sparc.h: Don't declare sparc_align_*.
21757 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
21758 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
21760 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
21762 * config/sparc/sparc.c: Delete sparc_align_loops,
21763 sparc_align_jumps, sparc_align_funcs and the corresponding string
21765 (sparc_override_options): Default align_functions on ultrasparc.
21766 Delete -malign-* handling.
21768 * config/mips/mips.c (override_options): On 64-bit targets,
21769 try to align code to 64-bit boundaries.
21770 (print_operand): New substitution, %~,
21771 which aligns labels to align_labels_log.
21772 * config/mips/mips.md (div_trap_normal): Use %~.
21773 (div_trap_mips16): Likewise.
21775 (absdi2): Likewise.
21776 (ffssi2): Likewise.
21777 (ffsdi2): Likewise.
21778 (ashldi3_internal): Likewise.
21779 (ashrdi3_internal): Likewise.
21780 (lshrdi3_internal): Likewise.
21781 (casesi_internal): Likewise.
21783 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
21785 Merge new ia32 backend from the branch!
21787 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
21788 See ChangeLog.P2 on new_ia32_branch for details.
21790 * rtl.h (stack_regs_mentioned_p): Delete prototype.
21791 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
21792 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
21793 * i386/gas.h (ASM_FILE_START): Define.
21794 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
21795 for name change of ix86_valid_decl_attribute_p.
21796 (i386_pe_valid_type_attribute_p): Similarly.
21798 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
21800 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
21801 to step through CC modes.
21803 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
21805 * regmove.c (fixup_match_1): Don't move INSN in front of P if
21806 it would end up in the shadow of a live flags regsiter.
21808 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
21810 * reload1.c: Fix many indentation problems.
21811 * reload.c: Likewise.
21813 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
21815 * alias.c (non_local_reference_p): Constify fmt.
21817 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
21819 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
21821 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
21823 * cse.c (delete_trivially_dead_insns): Do not delete stores to
21824 the internal_arg_pointer.
21826 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
21828 Merge peephole2 from new_ia32_branch:
21829 * Makefile.in (STAGESTUFF): Add *.peephole2.
21830 (mostlyclean): Likewise.
21831 (recog.o): Depend on resource.h.
21833 * final.c (peephole): Conditionalize decl on HAVE_peephole.
21834 (final_scan_insn): Likewise for the invocation of peephole.
21835 * genconfig.c (main): Look for peephole and peephole2 patterns.
21836 Emit HAVE_peephole* accordingly.
21837 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
21838 * flags.h (flag_peephole2): Declare.
21839 * toplev.c: New pass peephole2. New flag -fpeephole2.
21841 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
21842 * gencodes.c (main): Likewise.
21843 * genextract.c (main): Likewise.
21844 * genoutput.c (main): Likewise.
21845 * genemit.c (max_operand_1): Look for the max scratch operand.
21846 (gen_rtx_scratch): New.
21847 (gen_exp): Use it, and pass on new arg subroutine_type.
21848 (gen_expand): Take max scratch into account.
21849 (gen_split): Emit peephole2 functions.
21850 (output_peephole2_scratch): New.
21851 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
21852 * genrecog.c (routine_type): Add PEEPHOLE2.
21854 (make_insn_sequence): Match outer parallel for peep2. Discard
21855 top level scratches and dups.
21856 (add_to_sequence): New args insn_type and top. Update all callers.
21857 Handle toplevel peep2 matching insns.
21858 (write_subroutine): Handle peep2.
21859 (write_tree_1): Likewise.
21860 (write_tree): Likewise.
21862 (change_state): New arg afterward. Update all callers.
21863 Handle matching separate insns.
21864 * recog.c (recog_next_insn): New.
21865 (peephole2_optimize): New.
21866 * rtl.def (DEFINE_PEEPHOLE2): New.
21867 * resource.c (find_free_register): New argument last_insn. Use it
21868 to find a register available through the entire span.
21869 * resource.h (find_free_register): Update prototype.
21871 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
21873 * i386.c (output_strlen_unroll): Don't write xops[7]
21874 label if it wasn't set.
21876 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
21878 * cpplib.c (struct directive): Const-ify name pointer and
21879 function pointer prototype.
21880 (validate_else, do_define, do_line, do_include, do_undef,
21881 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
21882 do_elif, do_endif, do_sccs, do_assert, do_unassert,
21883 do_warning): Const-ify second arg.
21884 (directive_table): Mark const. Reorder entries by frequency
21885 of usage, record statistics.
21887 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
21889 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
21890 bounds- check RTL accesses if --enable-checking.
21891 (RTVEC_ELT): Bounds check if --enable-checking.
21892 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
21893 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
21894 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
21896 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
21897 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
21899 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
21900 (NOTE_SOURCE_FILE): Use X0STR.
21901 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
21902 MEM_ALIAS_SET): Use X0INT.
21903 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
21904 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
21906 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
21907 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
21908 (rtl_check_failed_bounds, rtl_check_failed_type1,
21909 rtl_check_failed_type2, rtvec_check_failed_bounds): New
21911 (fancy_abort): Fix comment.
21913 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
21914 (cse_insn): Decrement LABEL_NUSES for jump target before
21915 deleting jump insn.
21916 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
21917 * final.c (alter_subreg): Compute regno before changing x to
21918 REG; set REGNO(x) after changing it.
21919 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
21920 notes containing CONST_INTs.
21921 (delete_eh_regions): Use NOTE_EH_HANDLER.
21922 * function.c (put_reg_into_stack): Make reg a MEM before
21924 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
21926 (gen_mem_addressof): Make reg a MEM before initializing it.
21927 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
21929 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
21930 deleting an insn, not after.
21931 (block_alloc): Only look at PATTERN(insn) if we have to, and
21932 only if it's format class 'i'.
21933 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
21934 CONST_INT before using its INTVAL.
21935 * print-rtl.c (print_rtx): Use X0STR.
21936 * regmove.c (fixup_match_1): Don't look at PATTERN of
21937 non-class-'i' insn chain elements.
21938 * reload.c (loc_mentioned_in_p): Take address of
21939 in->fld[1].rtx directly.
21940 * reload1.c (reload): Change reg to a MEM before initializing
21942 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
21944 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
21946 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
21948 * config/mips/mips.c (machine_dependent_reorg): Force a
21949 barrier to output the local constant pool if a barrier hasn't
21950 been found at a natural point in the instruction stream.
21952 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21954 * c-parse.in (language_string): Constify.
21956 * dwarf2out.c (language_string): Remove declaration.
21958 * dwarfout.c (language_string): Likewise.
21960 * toplev.c (language_string, init_parse, finish_parse): Likewise.
21962 * tree.h (language_string, init_parse, finish_parse): Declare.
21964 * i386/sun386.h (language_string): Remove declaration.
21966 * mips.h (language_string): Likewise.
21968 * nextstep.h (language_string): Likewise.
21970 * nextstep21.h (language_string): Likewise.
21972 * rs6000.c (language_string): Likewise.
21974 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21976 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
21977 (getpwd.o): Remove target.
21979 * getpwd.c: Delete file. Its in libiberty now.
21981 * dbxout.c (getpwd): Don't prototype.
21982 * dwarf2out.c (getpwd): Likewise
21983 * dwarfout.c (getpwd): Likewise
21984 * final.c (getpwd): Likewise.
21985 * protoize.c (getpwd): Likewise.
21987 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
21989 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
21991 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
21993 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
21994 mark_set_resources.
21996 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
21998 * fixinc/Makefile.in (subdir): New.
21999 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
22002 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
22004 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
22005 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
22008 * invoke.texi: Fix typo.
22010 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
22011 changed. Handle autoincrement addressing modes.
22013 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
22014 just like we would the virtual incoming args register when
22017 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
22019 * rs6000.h (ASM_FILE_START): Specify complete filename, including
22020 path, in .file directive.
22022 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
22024 * gcc.texi (External Bugs): Remove obsolete note about Perl on
22027 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
22029 * stdbool.h: Make the typedef name _Bool, with bool a #defined
22032 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22034 * tree.c (tree_code_name): Constify a char*.
22036 * tree.h (tree_code_name, decl_printable_name): Likewise.
22038 * function.h (struct function): Likewise.
22040 * toplev.c (decl_name, decl_printable_name): Likewise.
22042 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
22044 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
22045 (init_objc): Remove function pointer cast.
22047 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22049 * pa.md (interspace_jump): New pattern.
22050 (builtin_longjmp): New expander.
22052 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
22054 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
22055 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
22056 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
22058 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
22060 * jump.c (delete_prior_computation): Also check calls
22061 to constant functions. Don't bother checking for a
22062 REG_UNUSED note before adding it.
22063 (delete_computation): Handle multi-word hard registers
22064 when synthesizing missing REG_DEAD notes for a register
22065 which is both set and used by an insn.
22067 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22069 * loop.c (this_loop_info): New variable.
22070 (loop_has_call, loop_has_volatile, loop_has_tablejump,
22071 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
22073 (prescan_loop, strength_reduce): New argument loop_info. All callers
22075 (scan_loop): New variable loop_info, initialise to address of
22077 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
22078 Delete variable loop_has_multiple_exit targets and replace with
22079 field in this_loop_info.
22080 (find_and_verify_loops): Rename this_loop to this_loop_num.
22081 (strength_reduce): Delete loop_iteration_info. Replace variable
22082 loop_info with function argument of same name.
22083 (insert_bct): Rework test for loop being completely unrolled.
22085 * loop.h (struct loop_info): New fields num, loops_enclosed,
22086 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
22087 has_indirect_jump, and cont. Redefine use of unroll_number.
22088 (loop_unroll_number): Delete.
22090 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
22091 field of loop_info.
22092 (loop_iterations): Delete variable vtop and instead use
22093 loop_info->vtop computed in prescan_loop.
22095 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
22097 * fix-header.c (main): Do not pass a null pointer to strcmp.
22099 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
22101 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
22103 * configure: Rebuilt.
22105 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
22107 * jump.c (jump_optimize_1): Do not delete assignments to
22108 internal_arg_pointer.
22109 * cse.c (delete_trivially_dead_insns): Always consider a set of
22110 the internal_arg_pointer live.
22112 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
22114 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
22115 (update_life_info) [REG_WAS_0]: Search the original insns rather
22116 than the new insns for the note. Fix typos finding note_dest.
22117 If no dest found, discard the note rather than abort.
22118 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
22119 (replace_insns): Remove the old insn list after update_life_info
22122 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
22124 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
22125 sched_analyze_insn.
22126 (sched_analyze_1): Let add_dependence care for not adding dups.
22127 (sched_analyze_2): Likewise.
22128 (add_branch_dependences): Likewise.
22130 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
22132 * i386/winnt.c (export_list): New type.
22133 (exports_head): Rename to
22134 (export_head): this.
22135 (i386_pe_record_exported_symbol): Add is_data flag.
22136 (i386_pe_asm_file_end): Emit directive for exported variables.
22137 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
22139 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
22140 (ASM_DECLARE_OBJECT_NAME): Likewise.
22141 (ASM_DECLARE_FUNCTION_NAME): Likewise.
22142 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
22144 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
22146 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
22148 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
22151 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
22153 * config/openbsd.h: Define SET_ASM_OP.
22154 * tm.texi: cross-reference SET_ASM_OP in the index.
22156 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
22158 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
22159 for a CONST_DOUBLE, at compile time. Initialize rtx_length
22160 and class_narrowest_mode at compile time. Kill init_rtl.
22161 Mark rtx_length, mode_class, mode_size, mode_unit_size,
22162 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
22163 rtx_format as const. Kill all references to EXTRA_CC_MODES or
22165 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
22167 * rtl.h: Declare rtx_length and rtx_format as const.
22168 * machmode.def: Define CC(). Use CC() to define CCmode. If
22169 EXTRA_CC_MODES is defined, expand it here.
22170 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
22171 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
22172 const. Kill all references to EXTRA_CC_MODES.
22174 * toplev.c: Don't prototype or call init_rtl.
22175 * optabs.c: Don't call init_mov_optab.
22176 * genemit.c: Don't generate init_mov_optab. Don't call
22178 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
22180 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
22181 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
22182 genrecog.c: Don't call init_rtl.
22184 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
22185 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
22186 definition of EXTRA_CC_MODES.
22188 * md.texi: Kill ref to EXTRA_CC_NAMES.
22189 * tm.texi: Document new way to define EXTRA_CC_MODES.
22191 * genrecog.c: Do not look up the name of a define_split.
22192 (Unrelated bugfix.)
22194 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
22196 * config/v850/v850.md: Fix typo introduced by previous delta.
22198 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22200 * gcc.c (fatal): Make definition static to match prototype.
22202 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22204 * combine.c (get_last_value): Don't look for earlier sets if the last
22205 known set is somewhere in between the insns being combined.
22207 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
22209 * configure.in: Don't use shell ! to negate exit codes
22210 * configure: Regenerate
22212 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
22214 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
22215 the fact that ALIGN is measured in bits, not bytes.
22217 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
22219 * errors.c: New file; defines functions error, warning, and
22220 fatal, variables have_error and progname.
22221 * errors.h: New file; prototypes and decls for stuff in errors.c.
22223 * Makefile: Add rules to build errors.o and
22224 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
22225 genopinit, genrecog, genextract, genpeep, genattr, and
22226 genoutput with errors.o. Add errors.h to deps of genconfig.o,
22227 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
22228 genpeep.o, genattr.o, and genoutput.o.
22230 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
22231 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
22232 define or prototype fatal. Set progname at beginning of main.
22233 * genoutput.c: Likewise, and don't define or prototype error
22236 * c-typeck.c (c_expand_start_case): Return immediately if exp
22238 * fold-const.c (operand_equal_p): Return immediately if arg1
22239 or arg0 are ERROR_MARKs.
22240 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
22241 fields of type ERROR_MARK when calculating if the record can
22244 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
22245 with much help from Jeffrey A Law and Richard Henderson
22247 * i386.md: In the 6 insns which call output_fix_trunc,
22248 earlyclobber operands[0].
22250 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
22252 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
22253 creating new registers.
22255 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
22257 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
22258 i386_reg_alloc_order, i386_regparm_string,
22259 i386_align_loops_string, i386_align_jumps_string,
22260 i386_align_funcs_string, i386_preferred_stack_boundary_string,
22261 and i386_branch_cost_string as type "const char *".
22262 * i386.c: Define all above strings as type "const char *".
22264 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
22266 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
22267 when emitting alignment padding. Emit padding byte of 0 instead of 4.
22269 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
22271 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
22272 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
22274 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
22276 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
22277 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
22278 (dwarf2out_line, dwarf2out_finish): Likewise.
22279 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
22281 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
22283 * tree.c (lang_unsave_expr_now) : Correct return type.
22284 * tree.h (lang_unsave_expr_now) : Same.
22286 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
22288 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
22289 instead of duplicating code.
22291 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22293 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
22295 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
22297 * tree.h: fancy_abort always takes three args.
22298 * resource.c: Move include of system.h before toplev.h.
22300 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
22302 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
22305 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
22307 * system.h: Don't redefine abort or trim_filename.
22308 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
22309 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
22310 whether or not __FUNCTION__ is available.
22311 * tree.h: Duplicate rtl.h's definition of abort, for files
22312 that don't include rtl.h. Delete all code to perform type
22313 checking with a compiler other than GCC.
22314 * varray.h: Delete all code to perform type checking with a
22315 compiler other than GCC. Make VARRAY_CHECK() always evaluate
22316 its arguments exactly once, using a statement expression.
22317 Adjust the VARRAY_<type> accessor macros to match.
22318 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
22319 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
22320 caller's location. Define fatal_insn and fatal_insn_not_found
22321 as macros that use _fatal_insn and _fatal_insn_not_found.
22322 (fancy_abort, trim_filename): Kill prototypes.
22324 * rtl.c (trim_filename): Move here from toplev.c.
22325 (fancy_abort): New function.
22326 (DIR_SEPARATOR): Provide default definition.
22327 * tree.c (tree_check_failed, tree_class_check_failed): Go
22328 through fancy_abort.
22329 (tree_check, tree_class_check, cst_or_constructor_check,
22330 expr_check): Delete.
22331 * varray.c (varray_check_failed): New function.
22332 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
22333 _fatal_insn and _fatal_insn_not_found. Go through
22335 (trim_filename, fancy_abort): Delete.
22337 * builtins.c (expand_builtin_args_info): Report ICE with abort.
22338 * except.c (start_catch_handler): Report ICE with error/abort
22340 * final.c (output_operand_lossage): Likewise.
22341 * flow.c (verify_flow_info): Likewise.
22343 * gcc.c: Prototype fatal.
22344 * gengenrtl.c: Undef abort after including rtl.h not system.h.
22345 * genattr.c, genattrtab.c, genemit.c, genextract.c,
22346 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
22347 Don't define fancy_abort.
22349 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
22351 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
22354 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
22356 * m88k.h (VERSION_INFO2): Kill.
22357 (VERSION_STRING): Kill.
22359 (VERSION_INFO1): Tidy.
22360 (TARGET_VERSION): Update.
22361 * m88k/dgux.h (VERSION_INFO2): Kill.
22362 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
22363 * m88k/luna.h (VERSION_INFO1): Tidy.
22364 * m88k/sysv4.h (VERSION_INFO1): Likewise.
22365 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
22366 (output_file_start): Adjust for death of VERSION_STRING.
22368 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
22370 * cpplib.c (detect_if_not_defined): New function.
22371 (do_if): Use it to detect potential once-only headers.
22373 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
22375 * c-common.c (combine_strings): Always set TREE_CONSTANT.
22377 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
22379 * combine.c (nonzero_bits) : Allow single-ly set registers to be
22380 anywere in the function only if they are pseudos and set before
22381 being used (not live at the start of the function).
22382 (num_sign_bit_copies) : Same.
22383 (get_last_value_validate) : Same.
22384 (get_last_value) : Same.
22386 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
22388 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
22389 where N and M are constant and N is an integer multiple of M.
22391 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22393 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
22394 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
22395 sbitmap_union_of_preds): Add prototypes.
22396 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
22397 the intersection of successors with the new flow graph structures.
22398 (sbitmap_intersection_of_preds): New function to compute the
22399 intersection of predecessors with the new flow graph structures.
22400 (sbitmap_union_of_succs): New function to compute the union of
22401 successors with the new flow graph structures.
22402 (sbitmap_union_of_preds): New function to compute the union of
22403 predecessors with the new flow graph structures.
22404 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
22405 (expr_reaches_here_p): Use edge and basic_block structures instead
22406 of s_preds and s_succs.
22407 (compute_cprop_avinout): Use new sbitmap routines.
22408 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
22409 of s_preds and s_succs.
22410 * flow.c (compute_flow_dominators): Compute dominators using
22411 edges and basic blocks instead of s_preds and s_succs.
22413 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
22415 * lists.c (unused_insn_list, unused_expr_list): New file for
22416 maintaining various types of lists. New statics for maintaining a
22417 cache of available INSN_LIST and EXPR_LIST nodes.
22418 (free_list): Static function for freeing a list of INSN/EXPR nodes.
22419 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
22420 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
22421 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
22422 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
22423 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
22424 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
22425 (free_INSN_LIST_node): Free an individual INSN_LIST node.
22426 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
22427 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
22428 (remove_dependence, free_pending_lists): Use new global routines.
22429 (flush_pending_lists, sched_analyze_insn): Use new global routines.
22430 (sched_analyze, compute_block_backward_dependences): Use new routines.
22431 (sched_analyze_1, sched_analyze_2): Use new routines.
22432 (schedule_insns): Use new global routines.
22433 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
22435 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
22436 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
22438 * toplev.c (rest_of_compilation): Initialize node cache.
22439 * Makefile.in (OBJS): Add lists.o to list of object files.
22440 (lists.o): Add dependancies.
22442 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
22444 * config/v850/v850.md: Fix compile time warning messages.
22445 * config/v850/v850.c: Fix compile time warning messages.
22446 * config/v850/v850.h: Fix compile time warning messages.
22448 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22450 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
22451 Remove unused prototype for `init_lengths'.
22453 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22455 * calls.c (emit_call_1): Mark parameter `stack_size' with
22457 (expand_call): Initialize variable `insn'.
22458 (emit_library_call): Likewise for variable `high_to_save'.
22459 (emit_library_call_value): Likewise.
22460 (store_one_arg): Likewise for variables `lower_bound' and
22463 * combine.c (try_combine): Likewise for variables `i2_code_number'
22464 and `other_code_number'.
22465 (find_split_point): Likewise for variables `pos', `unsignedp' and
22467 (simplify_if_then_else): Likewise for variables `op' and `c1'.
22468 (simplify_and_const_int): Remove unused variable `width'.
22469 (merge_outer_ops): Likewise.
22471 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
22472 HOST_WIDE_INT' when comparing against one.
22473 (simplify_relational_operation): Likewise.
22474 (cse_insn): Initialize variables `src_eqv_volatile',
22475 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
22477 * final.c (init_final): Constify parameter `filename'.
22478 (final_start_function): Mark parameter `optimize' with
22480 (profile_function): Likewise for parameters `first' and `optimize'.
22481 (output_source_line): Likewise for parameter `file'.
22483 * integrate.c (subst_constants): Cast a value to `size_t' when
22484 comparing against one.
22485 (mark_stores): Initialize variable `mode'. Cast a value to
22486 `size_t' when comparing against one.
22488 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
22490 * loop.c (move_movables): Initialize variable `first'.
22491 (strength_reduce): Likewise for variable `increment'.
22492 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
22493 value to `size_t' when comparing against one.
22494 (load_mems): Initialize variable `end_label'.
22496 * output.h (init_final): Constify parameter.
22498 * reload.c (decompose): Initialize variable `base'.
22500 * reload1.c (reload): Likewise for variable `is_scalar'.
22501 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
22502 (choose_reload_regs): Initialize variable `mode'.
22503 (emit_reload_insns): Likewise for variable `store_insn'.
22504 (reload_cse_noop_set_p): Mark parameter `insn' with
22506 (reload_combine): Initialize variable `set'.
22508 * unroll.c (unroll_loop): Likewise for variable `local_label'.
22509 (copy_loop_body): Cast a value to `size_t' when comparing against
22512 * varasm.c (assemble_variable): Initialize variable `size_tree'.
22513 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
22514 (remove_from_pending_weak_list): Mark parameter `name' with
22517 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22519 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
22522 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
22524 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
22525 (ASM_DECLARE_FUNCTION_NAME): Define.
22526 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
22527 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
22528 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
22529 not already defined.
22531 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
22533 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
22534 of n_popped when call/call_value are not defined.
22536 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
22538 * tm.texi: GNU CC -> GCC conversion.
22539 (CC1_SPEC): Indicate it is used for all language front ends.
22541 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
22543 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
22544 NOTE_INSN_EH_REGION_END correctly.
22546 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
22547 Jeff Law <law@cygnus.com>
22549 * loop.c (strength_reduce): Automatically unroll loops if the
22550 unrolled loop size is smaller than the rolled loop size.
22552 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
22553 and delete comment that code should be rewritten.
22555 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
22557 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
22560 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
22562 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
22564 * fixinc/mkfixinc.sh: Don't fix uwin headers.
22565 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
22566 (LINK_SPEC): Add -u _main when building executables.
22567 (ASM_DECLARE_FUNCTION): Update from Cygwin.
22568 (ASM_FILE_END): Use the default for ix86-pe.
22569 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
22571 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
22573 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
22574 and ASM_CLOSE_PAREN are empty strings.
22576 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
22577 Geoffrey Keating <geoffk@cygnus.com>
22579 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
22580 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
22581 (unprotoize.o): Ditto.
22582 (test-protoize-simple): Don't define STD_PROTO_DIR.
22583 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
22584 changes to make 'test-protoize-simple' pass.
22585 (STD_PROTO_DIR): Remove define.
22586 (STANDARD_EXEC_PREFIX): Supply default define.
22587 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
22588 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
22589 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
22590 (GET_ENV_PATH_LIST): New macro.
22591 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
22592 (do_processing): Initialize default_syscalls_dir using new
22593 macros. Use it to initialize syscalls_absolute_filename.
22595 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
22597 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
22598 B into a register before emit_conditional_move.
22600 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
22602 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
22603 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
22604 multiplicand out of (+ (* a b) (* c d)).
22606 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
22607 Richard Henderson <rth@cygnus.com>
22609 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
22610 (new_insn_dead_notes): Likewise.
22611 (update_n_sets): Likewise.
22612 (update_flow_info): Move to flow.c, renamed to update_life_info;
22613 extend to handle multiple source insns.
22614 * flow.c: Include resource.h
22615 (unlink_insn_chain): New.
22616 (split_hard_reg_notes): New.
22617 (maybe_add_dead_note): New.
22618 (maybe_add_dead_note_use): New.
22619 (find_insn_with_note): New.
22620 (new_insn_dead_notes): New.
22621 (update_n_sets): New.
22622 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
22623 (maybe_remove_dead_notes): New.
22624 (update_life_info): New.
22625 (prepend_reg_notes): New.
22626 (replace_insns): New.
22627 * output.h (update_life_info): Declare.
22628 * recog.c (split_block_insns): Use update_life_info.
22629 * resource.c (find_free_register): Use reg_alloc_order, don't use
22630 fixed regs, make sure the mode is supported, don't use new regs.
22632 * rtl.h (replace_insns): Declare.
22634 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
22636 * expr.c (expand_expr): Cope with COND_EXPRs with one
22637 non-returning branch.
22639 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
22641 * expr.c (store_expr): Always pass down the target, even when not
22644 1999-08-24 Nick Clifton <nickc@cygnus.com>
22646 * configure.in: Define target_cpu_default for v850 targets.
22647 * configure: Regenerate
22649 * config/v850/v850.h (TARGET_CPU_generic): Define.
22650 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
22651 addresses are 4 byte aligned.
22653 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
22656 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22658 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
22659 (main): Add prototypes.
22661 * genattrtab.c (substitute_address, write_const_num_delay_slots,
22662 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
22663 (write_attr_get): Emit prototypes along with function definition.
22664 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
22665 (write_complex_function): Emit static prototype along with
22666 function definition.
22668 * genemit.c (gen_split): Emit prototypes along with function
22671 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
22672 Likewise for predicates and `insn_operand_predicate'.
22673 (process_template): Emit static prototype along with function
22676 * genrecog.c (make_insn_sequence): Constify a char*. Add
22677 prototypes for get_split_*().
22678 (write_subroutine): Emit prototypes along with function
22681 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22683 * gcse.c (find_avail_set): Follow chains of register-register copies.
22684 Use oprs_not_set_p to guarantee that the returned value can be
22686 (cprop_insn): Don't verify the return value of find_avail_set with
22689 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
22690 (cprop_cc0_jump): New function.
22691 (cprop_insn): Break out new function cprop_jump and use it.
22692 Also use cprop_cc0_jump for machines with CC0.
22693 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
22695 * tree.h (current_function_calls_setjmp,
22696 current_function_calls_longjmp): Delete declarations.
22697 * dsp16xx.c: Include "function.h".
22698 * elxsi.c: Likewise.
22699 * gmicro.c: Likewise.
22700 * h8300.c: Likewise.
22701 * i370.c: Likewise.
22702 * m32r.c: Likewise.
22703 * mn10200.c: Likewise.
22704 * mn10300.c: Likewise.
22705 * ns32k.c: Likewise.
22706 * spur.c: Likewise.
22707 * v850.c: Likewise.
22709 * rtl.h (rtx_equal_function_value_matters): Declare.
22710 * toplev.c (rtx_equal_function_value_matters): Don't declare.
22712 * function.c: Likewise.
22713 * emit-rtl.c: Likewise.
22715 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
22717 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
22720 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
22722 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
22725 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
22727 * cpp.texi: Add a node documenting macro varargs (copied
22730 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
22732 * cppspec.c: Put a null pointer at the end of the new argv.
22734 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
22736 * configure.in: Remove code to select/de-select the haifa
22737 scheduler. Every scheduled port gets haifa now.
22738 * configure: Rebuilt.
22739 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
22741 * Makefile.in: Corresponding changes.
22743 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
22745 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
22746 All callers changed.
22747 (prepare_float_lib_cmp): Likewise.
22748 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
22749 * expr.h (emit_float_lib_cmp): Delete declaration.
22750 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
22751 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
22752 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
22754 (cmptf): Now conditional on TARGET_HARD_QUAD.
22756 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
22758 * resource.c (mark_target_live_regs): Use
22759 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
22761 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22763 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
22765 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
22767 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
22769 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22771 * rtl.h (rtx_format): Constify a char*.
22773 * rtl.c (rtx_format): Likewise.
22774 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
22775 (init_rtl): Use accessor macro, not `rtx_format'.
22777 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
22780 * caller-save.c (mark_referenced_regs): Likewise.
22782 * combine.c (subst, make_compound_operation, known_cond,
22783 gen_rtx_combine, update_table_tick, get_last_value_validate,
22784 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
22786 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
22787 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
22788 count_reg_usage): Likewise.
22790 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
22793 * final.c (leaf_renumber_regs_insn): Likewise.
22795 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
22796 dump_edge_info, count_reg_references): Likewise.
22798 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
22799 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
22802 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
22803 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
22804 add_label_notes): Likewise.
22806 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
22807 clear_struct_flag, count_sub_rtxs, count_alternatives,
22808 compares_alternatives_p, contained_in_p, walk_attr_value,
22809 write_expr_attr_cache): Likewise.
22811 * genconfig.c (walk_insn_part): Likewise.
22813 * genemit.c (max_operand_1, gen_exp): Likewise.
22815 * genextract.c (walk_rtx): Likewise.
22817 * genflags.c (num_operands): Likewise.
22819 * genoutput.c (scan_operands): Likewise.
22821 * genpeep.c (match_rtx): Likewise.
22823 * genrecog.c (add_to_sequence): Likewise.
22825 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
22828 * integrate.c (save_constants, copy_for_inline,
22829 copy_rtx_and_substitute, subst_constants, restore_constants):
22832 * jump.c (mark_jump_label, invert_exp, redirect_exp,
22833 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
22835 * local-alloc.c (contains_replace_regs, memref_referenced_p):
22838 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
22839 add_label_notes, replace_call_address, count_nonfixed_reads,
22840 invariant_p, find_single_use_in_loop, find_mem_givs,
22841 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
22844 * print-rtl.c (reg_names, print_rtx): Likewise.
22846 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
22848 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
22849 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
22850 print_blocks): Likewise.
22852 * regclass.c (fix_register, record_address_regs,
22853 reg_scan_mark_refs): Likewise.
22855 * regmove.c (stable_but_for_p): Likewise.
22857 * reload.c (loc_mentioned_in_p, operands_match_p,
22858 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
22859 copy_replacements, refers_to_regno_for_reload_p,
22860 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
22861 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
22864 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
22865 delete_address_reloads_1, count_occurrences,
22866 reload_cse_mem_conflict_p, reload_combine_note_use,
22867 add_auto_inc_notes): Likewise.
22869 * resource.c (mark_referenced_resources, mark_set_resources):
22872 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
22873 reg_mentioned_p, regs_set_between_p, modified_between_p,
22874 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
22875 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
22876 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
22877 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
22879 * sched.c (sched_analyze_2, attach_deaths): Likewise.
22881 * stupid.c (stupid_mark_refs): Likewise.
22883 * unroll.c (remap_split_bivs): Likewise.
22885 * varasm.c (mark_constants): Likewise.
22887 * a29k/a29k.c (uses_local_reg_p): Likewise.
22889 * alpha/alpha.c (summarize_insn): Likewise.
22891 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
22892 eliminate_lr2ip): Likewise.
22894 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
22896 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
22897 reg_mentioned_in_mem): Likewise.
22899 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
22900 symbolic_reference_mentioned_p): Likewise.
22902 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
22904 * sh/sh.c (regs_used, mark_use): Likewise.
22906 * vax/vax.c (vax_rtx_cost): Likewise.
22908 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22910 * machmode.h (mode_name): Constify a char*.
22912 * rtl.c (mode_name): Likewise.
22914 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
22916 * optabs.c (init_libfuncs): Constify a char*.
22918 * print-tree.c (mode_name): Remove redundant declaration.
22919 (print_node): Use accessor macro, not `mode_name'.
22921 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
22923 (new_spill_reg): Constify a char*.
22925 * tree.c (mode_name): Remove redundant declaration.
22927 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
22929 * rtl.c (rtx_name): Constify a char*.
22931 * rtl.h (rtx_name, fix_sched_param): Likewise.
22933 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
22934 (mypr): Use accessor macro, not `rtx_name'.
22936 * genemit.c (print_code): Constify a char*.
22938 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
22940 * genpeep.c (print_code): Constify a char*.
22942 * genrecog.c (print_code): Likewise.
22944 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
22945 end_bb): Add static prototype.
22946 (draw_edge): Constify a char*.
22947 (end_bb): Remove unused parameter.
22949 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
22950 print_block_visualization): Constify a char*.
22952 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
22954 * c-common.c (c_get_alias_set): Update comment.
22956 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
22958 * linux.h (LIB_SPEC): Added.
22960 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
22962 * config/c4x/c4x.h (STARTFILE_SPEC): Don't def.
22964 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
22966 * tree.c (expr_check): Fix typo in last change.
22968 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
22970 * rtl.def (NOTE): Change format to "iuu0n".
22971 (ADDR_DIFF_VEC): Change format to "eEee0".
22972 (ADDRESSOF): Change format to "eit".
22974 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
22975 (RTVEC_ELT): Change to match.
22976 (XVECEXP): Use XVEC and RTVEC_ELT.
22977 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
22978 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
22979 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
22980 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
22981 TRAP_CONDITION, TRAP_CODE): Use XEXP.
22982 (INTVAL): Use XWINT.
22983 (ADDRESSOF_DECL): Use XTREE.
22984 (SET_ADDRESSOF_DECL): Delete.
22985 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
22986 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
22987 ifdefed out since 2.6 at least.
22988 (gen_rtvec_vv): Delete prototype.
22990 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
22992 (copy_most_rtx): Handle 't' format letter.
22993 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
22994 (gen_rtvec_vv): Delete function. All callers changed to use
22995 gen_rtvec_v instead.
22996 * print-rtl.c (print_rtx): Move special casing of NOTEs to
22997 the '0' format letter.
22999 * function.c (gen_mem_addressof): Don't use
23000 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
23002 * integrate.c (copy_rtx_and_substitute): Likewise.
23003 Copy 't' slots with XTREE.
23004 (subst_constants): Treat 't' slots like '[swi]' slots.
23005 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
23006 * jump.c (rtx_equal_for_thread_p): Likewise.
23007 * rtlanal.c (rtx_equal_p): Likewise.
23008 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
23009 only four arguments.
23010 * gengenrtl.c (type_from_format): Provide correct types for
23014 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
23015 If a recent gcc is in use (always in stage2 and beyond), use
23016 statement expressions, so we don't make a function call unless
23017 the check fails. Evaluate arguments exactly once.
23018 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
23019 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
23021 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
23022 they evaluate their arguments exactly once, irrespective of
23023 the compiler in use.
23025 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
23026 is used by the currently-enabled check macros. This is:
23027 (tree_check_failed, tree_class_check_failed): For gcc.
23028 (tree_check, tree_class_check, cst_or_constructor_check,
23029 expr_check): For other compilers.
23031 * gencheck.c: Do not define any *_CHECK1 macros.
23033 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
23034 Mark Mitchell <mark@codesourcery.com>
23036 * c-common.c (c_get_alias_set): Fix support for poitners and
23039 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
23041 * alias.c: Include tree.h.
23042 (nonlocal_reference_p, mark_constant_function): New functions.
23043 * flow.c (life_analysis): Call mark_constant_function.
23044 * rtl.h (mark_constant_function): Declare it.
23046 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
23048 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
23049 unrecognisable switches.
23051 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23053 * loop.c (recombine_givs): Set ix field after sorting.
23054 (recombine_givs): Remove bogus index / giv lockstep looping.
23056 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23058 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
23060 (emit_store_flag_force): Use do_compare_rtx_and_jump.
23061 (do_cmp_and_jump): Formatting fixes.
23062 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
23063 do_compare_rtx_and_jump instead of compare_from_rtx.
23064 (do_compare_rtx_and_jump): New function; mostly copied from
23066 (do_jump_for_compare): Delete.
23067 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
23069 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
23070 of compare/do_jump_for_compare pairs.
23071 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
23072 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
23073 compare_from_rtx/do_jump_for_compare pairs.
23074 (do_jump_by_parts_equality): Likewise.
23075 (do_jump_by_parts_equality_rtx): Likewise.
23076 * expr.h (do_compare_rtx_and_jump): Declare.
23077 * optabs.c (prepare_cmp_insn): New function, contains most of the code
23078 that used to be in emit_cmp_insn.
23079 (cmp_available_p): New function.
23080 (prepare_operand): New function.
23081 (emit_cmp_and_jump_insn_1): New function, contains some code that used
23082 to be in emit_cmp_insn.
23083 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
23084 parameters to be pointers; don't emit final compare but modify some of
23085 the values pointed to by the args so the caller can perform the
23086 correct comparison.
23087 (expand_binop): Call emit_store_flag_force with signed forms of
23089 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
23090 emit_jump_insn pair.
23091 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
23092 emit_cmp_and_jump_insn_1. Call emit_queue.
23093 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
23095 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
23096 jump sets cc0 before deleting it.
23097 * integrate.c (expand_inline_function): Likewise.
23098 * unroll.c (unroll_loop): Similar changes in several places.
23099 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
23100 before deleting it.
23102 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23104 * Makefile.in (insn-recog.o): Update dependencies.
23105 * genrecog.c (main): Make generated file include "function.h".
23107 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
23109 * cse.c (cse_insn): Call never_reached_warning when a jump is
23110 changed to be unconditional.
23111 * flags.h: Declare warn_notreached.
23112 * flow.c (delete_block): Call never_reached_warning when
23113 a block is deleted.
23114 * jump.c (delete_barrier_successors): Call never_reached_warning
23115 when we delete everything after a BARRIER.
23116 (never_reached_warning): New function.
23117 * rtl.h: Declare never_reached_warning.
23118 * toplev.c (warn_notreached): New variable.
23119 (lang_independent_options): Set warn_notreached
23120 when -Wunreachable-code.
23121 (compile_file): We need line numbers for -Wunreachable-code.
23123 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
23125 * haifa-sched.c (insn_unit): Fix typo on out of range test.
23126 * sched.c (insn_unit): Likewise.
23128 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
23130 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
23132 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23134 * flow.c (create_edge_list): Use xmalloc, not malloc.
23136 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
23138 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
23139 C-style comments. Do not lose the character before double slash.
23141 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23143 * basic-block.h (struct edge_list): Stucture to maintain a vector
23145 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
23146 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
23147 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
23148 New function prototypes.
23149 * flow.c (create_edge_list): Function to create an edge list.
23150 (free_edge_list): Discards memory used by an edge list.
23151 (print_edge_list): Debug output showing an edge list.
23152 (verify_edge_list): Internal consistency check for an edge list.
23153 (find_edge_index): Function to find an edge index for a pred and succ.
23155 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
23157 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
23160 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
23162 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
23164 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
23166 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
23168 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
23170 * toplev.c (rest_of_compilation): Allow machine dependent
23171 reorganisation pass to place information into the RTL dump
23172 file if it so wishes.
23174 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
23176 * explow.c (hard_function_value): Use VOIDmode instead of
23178 * stmt.c (expand_return): Likewise.
23179 * stor-layout.c (get_best_mode): Likewise.
23181 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
23182 emit call instead of emit_insn call.
23184 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
23186 * configure.in: Handle --disable/enable-win32-registry.
23187 * install.texi: Document --disable/enable-win32-registry.
23188 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
23189 (WIN32_REGISTRY_KEY): New macro.
23190 * prefix.c: Use to enable/disable win32-specific code.
23191 (lookup_key): Use versioned key.
23192 * configure: Regenerate.
23193 * config.in: Likewise.
23195 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
23197 * cpplib.c (read_line_number): New fn, split out of...
23200 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
23202 tree.c (lang_unsave_expr_now) : New.
23203 (unsave_expr_now): Call lang_unsave_expr_now.
23204 tree.h (lang_unsave_expr_now) : New.
23206 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
23208 * toplev.c (flag_new_exceptions): On by default.
23210 1999-08-13 Michael Meissner <meissner@cygnus.com>
23212 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
23214 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
23216 * dwarfout.c (fundamental_type_code): Return FT_boolean for
23217 INTEGER_TYPE with precision==1, it's __java_boolean.
23219 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23221 * global.c (prune_preferences): Move some invariants out of the
23224 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
23226 * configure.in (alpha*-dec-osf*): Add osf5.
23228 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
23230 * configure.in: Rework handling of ARM GNU/Linux slightly.
23231 (arm*-*-linux-gnuoldld): New target.
23232 * configure: Regenerate.
23233 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
23234 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
23235 * config/arm/linux-oldld.h: New file.
23236 * config/arm/linux-elf26.h: Don't include linux-elf.h.
23237 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
23239 * config/arm/linux-elf.h (ASM_SPEC): Define.
23240 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
23241 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
23242 for 26-bit APCS and old linker.
23243 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
23245 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
23246 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
23247 don't define `arm' or `arm_elf'.
23248 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
23249 MULTILIB_DIRNAMES): Define. Fix typo in comment.
23251 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
23253 * rtl.texi: Fix typo.
23255 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
23257 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
23259 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
23261 * extend.texi (C++ Signatures): Remove node.
23262 * invoke.texi: Remove discussion of -fhandle-signatures,
23263 signature, sigof, __signature__, and __sigof__.
23265 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
23267 * Makefile.in (JAVAGC): Removed.
23269 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
23271 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23273 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
23275 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
23277 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
23279 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
23280 a register that is already known to be a pointer.
23282 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
23284 * fixinc/inclhack.tpl: Only install assert.h conditionally.
23285 * fixinc/inclhack.sh: Regenerated.
23286 * fixinc/fixincl.sh: Regenerated.
23288 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
23290 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
23291 Fix documentation of -ansi flag to describe its C++ behavior.
23292 Remove bogus reference to GCC 2.9.
23294 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
23296 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
23297 note if it is non-NULL.
23299 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23301 * except.h (eh_nesting_info): Add new structure defintion.
23302 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
23303 (reachable_handlers, update_rethrow_references): Add function
23305 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
23306 a rethrow symbol instead of an integer exception region number.
23307 * flow.c (Make_edges): Use new exception nesting routines to determine
23308 which handlers are reachable from a CALL or asynchronous insn.
23309 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
23311 (delete_eh_regions): Update rethrow labels, and don't delete
23312 regions which are the target of a rethrow.
23313 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
23314 avoid overloading the SYMBOL_REF_USED flag.
23315 (rethrow_symbol_map): Use new rethrow_ref field.
23316 (rethrow_used): Use new rethrow_ref field.
23317 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
23318 of an integer. Fix formatting.
23319 (output_exception_table_entry): Use new rethrow_ref field.
23320 (can_throw): Check for EH_REGION_NOTE before deciding
23321 whether a CALL can throw or not.
23322 (scan_region): Call rethrow_used() instead of accessing data structure.
23323 (update_rethrow_references): New function to make sure only regions
23324 which are still targets of a rethrow are flagged as such.
23325 (process_nestinfo): New static function to initialize a handler
23326 list for a specific region.
23327 (init_eh_nesting_info): New function to allocate and initialize
23328 the list of all EH handlers reachable from all regions.
23329 (reachable_handlers): New function to retrieve the list of handlers
23330 reachable from a specific region and insn.
23331 (free_eh_nesting_info): New function to dispose of a list of
23332 reachable handlers.
23334 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
23336 * flow.c (split_edge): Set JUMP_LABEL field.
23337 (commit_one_edge_insertion): Set head correctly for insert_before.
23338 When inserting insns, update insn block numbers if allocated.
23340 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23342 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
23343 retry_incomplete_types): Add static prototype.
23344 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
23345 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
23346 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
23347 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
23348 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
23351 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
23352 dwarf2out_start_source_file, dwarf2out_line): Likewise.
23354 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23356 * output.h (assemble_name): Constify a char*.
23358 * varasm.c (UNIQUE_SECTION, assemble_start_function,
23359 assemble_variable, assemble_name): Likewise.
23361 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
23363 * arm/pe.c (arm_pe_unique_section): Likewise.
23365 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
23367 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
23369 * i386/interix.c (i386_pe_unique_section): Likewise.
23371 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
23373 * i386/winnt.c (i386_pe_unique_section): Likewise.
23375 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
23377 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
23379 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
23381 * pa/pa.c (output_call): Likewise.
23383 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
23385 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
23387 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
23390 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
23393 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
23395 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
23396 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
23398 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
23400 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23402 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
23404 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23406 * tree.h (lang_identify): Constify a char*.
23407 (print_error_function): Add extern prototype. Constify a char*.
23409 * c-lang.c (lang_identify): Constify a char*.
23411 * objc/objc-act.c (lang_identify): Constify a char*.
23413 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23415 * genpeep.c (main): Make generated file include "function.h".
23416 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
23418 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23420 * Makefile.in: Update dependencies.
23421 * alias.c: Include "function.h"
23422 * c-decl.c: Likewise.
23423 * caller-save.c: Likewise.
23424 * calls.c: Likewise.
23425 * combine.c: Likewise.
23427 * explow.c: Likewise.
23428 * final.c: Likewise.
23429 * global.c: Likewise.
23430 * graph.c: Likewise.
23431 * local-alloc.c: Likewise.
23432 * loop.c: Likewise.
23433 * optabs.c: Likewise.
23434 * profile.c: Likewise.
23435 * recog.c: Likewise.
23436 * regclass.c: Likewise.
23437 * regmove.c: Likewise.
23438 * reload.c: Likewise.
23439 * reorg.c: Likewise.
23440 * resource.c: Likewise.
23441 * sched.c: Likewise.
23442 * stupid.c: Likewise.
23443 * config/1750a/1750a.c: Likewise.
23444 * config/a29k/a29k.c: Likewise.
23445 * config/arc/arc.c: Likewise.
23446 * config/arm/arm.c: Likewise.
23447 * config/arm/thumb.c: Likewise.
23448 * config/c4x/c4x.c: Likewise.
23449 * config/clipper/clipper.c: Likewise.
23450 * config/convex/convex.c: Likewise.
23451 * config/fx80/fx80.c: Likewise.
23452 * config/i860/i860.c: Likewise.
23453 * config/m68k/m68k.c: Likewise.
23454 * config/m88k/m88k.c: Likewise.
23455 * config/mips/mips.c: Likewise.
23456 * config/pdp11/pdp11.c: Likewise.
23457 * config/pyr/pyr.c: Likewise.
23458 * config/romp/romp.c: Likewise.
23459 * config/sh/sh.c: Likewise.
23460 * config/tahoe/tahoe.c: Likewise.
23461 * config/vax/vax.c: Likewise.
23462 * config/we32k/we32k.c: Likewise.
23463 * config/sparc/sparc.c: Include "function.h".
23464 (mem_min_alignment): Test current_function rather than
23465 regno_pointer_align.
23466 * config/pa/pa.c: Likewise.
23467 (compute_frame_size): Delete declaration of
23468 current_function_outgoing_args_size.
23469 * config/arc/arc.h (current_function_varargs): Delete declaration.
23470 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
23472 * config/i370/i370.h (current_function_outgoing_args_size): Delete
23474 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
23475 current_function_uses_pic_offset_table.
23476 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
23477 of current_function_returns_pointer.
23478 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23479 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23480 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23481 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23482 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23483 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
23484 * config/m88k/m88k.c: Include "function.h"
23485 (call_used_regs, current_function_pretend_args_size,
23486 current_function_outgoing_args_size, frame_pointer_needed): Delete
23488 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
23490 * config/mips/mips.h (current_function_calls_alloca): Delete
23492 * config/mn10200/mn10200.h (current_function_needs_context,
23493 rtx_equal_function_value_matters): Delete declarations.
23494 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
23495 flag_pic): Delete declarations.
23496 * config/pa/pa.h (current_function_pretend_args_size,
23497 current_function_decl): Delete declarations.
23498 * config/pa/som.h (current_function_varargs): Delete declaration.
23499 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
23501 * config/pyr/pyr.h (current_function_pretend_args_size,
23502 current_function_args_size, current_function_calls_alloca): Delete
23504 * config/sh/sh.h (current_function_varargs): Delete declaration.
23505 * config/sparc/sparc.h (current_function_outgoing_args_size,
23506 current_function_calls_alloca, current_function_decl): Delete
23508 * config/spur/spur.h (current_function_pretend_args_size,
23509 current_function_calls_alloca): Delete declarations.
23510 * config/v850/v850.c (current_function_outgoing_args_size): Delete
23512 * config/vax/vms.h (current_function_name): Delete declaration.
23513 * gcse.c: Include "function.h".
23514 (current_function_name, current_function_calls_setjmp): Delete
23516 * haifa-sched.c: Include "function.h".
23517 (forced_labels): Delete declaration.
23518 * jump.c: Likewise.
23519 * reg-stack.c: Likewise.
23520 * reload1.c: Likewise.
23521 * genemit.c (main): Make generated file include function.h.
23522 * genoutput.c (output_prologue): Likewise.
23524 * builtins.c (saveregs_value, apply_args_value): Delete variables.
23525 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
23526 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
23527 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
23528 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
23529 macros for some of them.
23530 (emit_filename, emit_lineno): Delete declarations.
23531 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
23532 regno_pointer_* variables through current_function.
23533 (gen_inline_header_rtx): Delete function.
23534 (save_emit_status): Delete function.
23535 (set_new_last_label_num): New function.
23536 (clear_emit_caches): New function.
23537 (restore_emit_status): Just clear last_labelnum and call
23539 (get_last_insn_anywhere): Variable sequence_stack is now accessed
23540 through macro seq_stack.
23541 (add_insn_after): Likewise.
23542 (add_insn_before): Likewise.
23543 (remove_insn): Likewise.
23544 (pop_topmost_sequence): Likewise.
23545 (in_sequence_p): Likewise.
23546 (start_sequence_for_rtl_expr): Likewise.
23547 (start_sequence): Likewise, and likewise for
23548 sequence_rtl_expr/seq_rtl_expr.
23549 (push_topmost_sequence): Likewise.
23550 (end_sequence): Likewise.
23551 (init_virtual_regs): Now takes a "struct emit_status *" argument.
23552 All callers changed. Store into that pointer instead of globals.
23553 (init_emit): Allocate emit elt of current_function.
23554 Changes for sequence_rtl_expr/sequence_stack renaming.
23555 Call clear_emit_caches instead of doing it in-line.
23556 Access regno_pointer_* variables through current_function.
23557 (init_emit_once) Don't clear sequence_stack.
23559 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
23561 (arg_pointer_save_area): Delete declaration.
23562 (finish_expr_for_function): Renamed from init_queue; no longer static.
23563 (init_expr): Don't call init_queue.
23564 (save_expr_status, restore_expr_status): Delete functions.
23565 (expand_expr): Changes to reflect new layout of struct function.
23566 Don't access current_function_check_memory_usage when current_function
23568 * expr.h (forced_labels, save_expr_regs, saveregs_value,
23569 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
23570 current_function_outgoing_args_size, current_function_arg_offset_rtx,
23571 current_function_uses_const_pool, function_call_count,
23572 current_function_uses_pic_offset_table, nonlocal_labels,
23573 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
23574 current_function_check_memory_usage, nonlocal_goto_handler_slots,
23575 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
23577 (finish_expr_for_function): Declare.
23578 * flags.h (current_function_has_nonlocal_label,
23579 current_function_has_nonlocal_goto, current_function_is_thunk,
23580 current_function_has_computed_jump): Delete declarations.
23581 * flow.c (forced_labels): Delete declaration.
23582 * function.c (current_function_pops_args,
23583 current_function_returns_struct, current_function_returns_pcc_struct,
23584 current_function_needs_context, current_function_calls_setjmp,
23585 current_function_calls_longjmp, current_function_has_nonlocal_label,
23586 current_function_has_nonlocal_goto, current_function_is_thunk,
23587 current_function_has_computed_jump, current_function_calls_alloca,
23588 current_function_contains_functions, current_function_returns_pointer,
23589 current_function_epilogue_delay_list, current_function_args_size,
23590 current_function_pretend_args_size, current_function_arg_offset_rtx,
23591 current_function_outgoing_args_size, current_function_varargs,
23592 current_function_stdarg, current_function_args_info, cleanup_label,
23593 current_function_name, current_function_uses_const_pool,
23594 current_function_instrument_entry_exit, current_function_return_rtx,
23595 current_function_uses_pic_offset_table, nonlocal_labels,
23596 current_function_internal_arg_pointer, current_function_cannot_inline,
23597 current_function_check_memory_usage, function_call_count,
23598 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
23599 nonlocal_goto_stack_level, return_label, save_expr_regs,
23600 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
23601 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
23602 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
23603 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
23604 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
23606 (push_function_context_to): Don't save them. Don't call
23607 save_storage_status, save_emit_status or save_expr_status.
23608 (pop_function_context_from): Don't restore them. Don't call
23609 restore_storage_status or restore_expr_status.
23610 (get_func_frame_size): New function.
23611 (get_frame_size): Use it.
23612 (assign_outer_stack_local): Reflect some member name changes in struct
23614 (put_reg_into_stack): Likewise.
23615 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
23617 (fixup_var_refs): Likewise.
23618 (fix_lexical_addr): Likewise.
23619 (trampoline_address): Likewise.
23620 (prepare_function_start): Clear field inlinable of current_function.
23621 (init_function_for_compilation): New function.
23622 (expand_dummy_function_end): New function.
23623 (expand_function_end): Call finish_expr_for_function.
23624 * function.h (struct emit_status): New; fields moved here from struct
23625 function and from global variables. Add accessor macros for some of
23627 (struct expr_status): Likewise.
23628 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
23629 (struct function): Add fields expr and emit, inlinable, inl_emit,
23630 original_arg_vector, original_decl_initial, inl_last_parm_insn,
23631 inl_max_label_num. Add many comments.
23632 Add accessor macros for all elts of struct function that no longer
23633 have a global variable.
23634 (cleanup_label, return_label, frame_offset, tail_recursion_label,
23635 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
23636 stack_slot_list): Delete declarations.
23637 (get_func_frame_size): Declare.
23638 (save_expr_status, restore_expr_status, save_emit_status,
23639 save_storage_status, restore_storage_status): Delete declarations.
23640 (init_virtual_regs): Declare.
23641 * output.h (current_function_pops_args,
23642 current_function_returns_struct, current_function_returns_pcc_struct,
23643 current_function_needs_context, current_function_calls_setjmp,
23644 current_function_calls_longjmp, current_function_calls_alloca,
23645 current_function_has_nonlocal_label, current_function_varargs,
23646 current_function_has_computed_jump, current_function_returns_pointer,
23647 current_function_contains_functions, current_function_args_size,
23648 current_function_pretend_args_size, current_function_stdarg,
23649 current_function_outgoing_args_size, current_function_args_info,
23650 current_function_name, current_function_return_rtx,
23651 current_function_epilogue_delay_list,
23652 current_function_uses_const_pool, current_function_cannot_inline):
23653 Delete declarations.
23654 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
23655 regno_reg_rtx): Delete declaration.
23656 (REGNO_POINTER_FLAG): Delete macro.
23657 * stmt.c (expand_goto): Changes to reflect that some fields in struct
23658 function were renamed.
23659 * stor-layout.c (save_storage_status, restore_storage_status): Delete
23661 * toplev.c: Include "function.h".
23662 (current_function_decl): Delete declaration.
23663 (compile_file): Call init_dummy_function_start and
23664 expand_dummy_function_end around some initializations that need to
23666 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
23667 Call init_function_for_compilation.
23668 * unroll.c: Include "function.h"
23669 (unroll_loop): Access regno_pointer_* variables through
23672 * tree.h (struct tree_decl): Add elt f to saved_insns member.
23673 (DECL_SAVED_INSNS): use it.
23674 (expand_dummy_function_end): Declare.
23675 (init_function_for_compilation): Declare.
23676 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
23677 that it's no longer an INLINE_HEADER.
23678 (expand_call): Likewise.
23679 * integrate.c (finish_inline): Delete function.
23680 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
23681 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
23682 args. Don't generate an INLINE_HEADER rtx, just return the arg
23683 vector. All callers changed.
23684 (save_for_inline_copying): Create a duplicate struct emit_status to
23685 hold the emit state for compiling the current function. Use this and
23686 the other new fields in struct function that are for integration
23687 instead of an INLINE_HEADER.
23688 Use memcpy instead of bcopy.
23689 Store the current struct function in DECL_SAVED_INSNS of fndecl.
23690 (save_for_inline_nocopy): Similar changes, except no new emit_status
23692 (expand_inline_function): Get information from function structure,
23693 not from an inline header rtx.
23694 (output_inline_function): Lose code to extract the necessary
23695 information from an inline header; simply put back the function
23696 structure into current_function. Clear its inlinable elt.
23697 * rtl.def (INLINE_HEADER): Delete.
23698 * rtl.h: Delete all accessors for an INLINE_HEADER.
23699 (gen_inline_header_rtx): Delete declaration.
23700 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
23701 Delete declarations.
23702 (REGNO_POINTER_ALIGN): Delete.
23703 (clear_emit_caches): Declare.
23704 (set_new_last_label_num): Declare.
23706 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
23708 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
23710 * except.c (expand_eh_region_start_for_decl): Always start a new block.
23711 * stmt.c (is_eh_region): Make sure current_function is present, too.
23713 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
23715 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
23716 for 64bit PA targets.
23718 * pa.h (SELECT_SECTION): Define.
23719 * som.h (SELECT_SECTION): Delete.
23721 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23723 * alias.c (init_alias_analysis): Wrap call to
23724 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
23726 1999-08-07 Bruce Korb <autogen@linuxbox.com>
23728 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
23729 <sys/asm.h> contains an asm comment with an apostrophe
23730 * fixinc/inclhack.sh: regen
23731 * fixinc/fixincl.x: regen
23733 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
23735 * function.c (init_function_start): Clear prologue & epilogue.
23736 (prologue_epilogue_contains): New function.
23737 * alias.c (init_alias_analysis): Use it.
23738 * rtl.h (prologue_epilogue_contains): Declare it.
23740 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
23742 * jump.c (onlyjump_p): New function.
23743 * rtl.h: Declare it.
23744 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
23745 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
23747 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
23749 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
23750 to invert loops. Simplify block scanning.
23752 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23754 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
23755 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
23757 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
23759 * config/sparc/liteelf.h: New file to support sparclite-elf target
23760 * config/sparc/t-sp86x: New file to support sparc86x targets
23761 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
23762 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
23763 * configure.in: Support above target triplets
23764 * configure: Regenerated
23766 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
23768 * fixinc/server.c (server_setup): Do not prefix function used as
23769 parameter with `&'.
23771 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
23773 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
23774 Remove fp reg alternatives.
23776 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
23778 * Makefiin (TAROUTOPTS): Kill.
23779 (install-headers-tar): Use "xpf" for tar headerfile extraction
23780 * i370/x-oe (TAROUTOPTS): Delete.
23781 * m68k/x-apollo68 (TAROUTOPTS): Delete.
23782 * m68k/x-hp320 (TAROUTOPTS): Delete.
23783 * m68k/x-hp320g (TAROUTOPTS): Delete.
23784 * gcc.texi: Update bug reporting text.
23786 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
23788 * reg-stack.c (change_stack) Fixed problem with negative array index.
23790 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
23792 * extend.texi, install.texi: Fix spelling mistakes.
23794 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
23795 (s-attrtab); No longer try to use pre-made insn-attrtab file.
23796 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
23797 PREMADE_ATTRTAB_MD.
23798 * mips/t-ecoff: Likewise.
23799 * mips/t-elf: Likewise.
23800 * mips/t-mips: Likewise.
23801 * mips/t-osfrose: Likewise.
23802 * mips/t-r3900: Likewise.
23803 * mips/t-svr3: Likewise.
23804 * mips/t-svr4: Likewise.
23805 * mips/t-ultrix: Likewise.
23807 * gcc.texi: Document recommend means to provide software floating
23808 point libraries in libgcc.a
23810 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
23812 * c-lex.c (yylex): We can have a number with no digits.
23814 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
23816 * jump.c (delete_prior_computation): New function, broken
23817 out of delete_computation. Check for side effects with
23818 side_effects_p instead of FIND_REG_INC_NOTE. Handle
23819 multi-word hard registers.
23820 (delete_computation): Use it. Check for side effects with
23821 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
23822 missing REG_DEAD note for a register which is both set and
23825 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
23827 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
23828 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
23829 (ASM_FILE_START): Import _mcount with the right type.
23830 (ASM_DECLARE_FUNCTION_NAME): Define.
23831 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
23832 * pa.c (output_function_prologue): Always emit the function's label
23834 * pa.h (TEXT_SPACE_P): Define.
23835 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23836 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
23837 * som.h (TEXT_SPACE_P): Delete.
23838 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
23839 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
23841 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
23843 * expr.c (emit_group_load): Allow src to be a CONCAT.
23845 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23847 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
23848 (___mulsi3): Use '!' comment character.
23850 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
23852 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
23854 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
23856 * gcc.c: Update URLs and mail addresses.
23857 * gcc.texi: Likewise.
23859 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
23861 * rs6000.c (current_file_function_operand): Return zero for
23863 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
23865 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
23868 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
23870 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
23871 allocate space in the stack frame for the PIC register.
23873 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
23875 * m68k.md (xordi3, anddi3): These patterns are not available on
23878 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
23880 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
23881 (PUT_REAL): Likewise.
23883 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
23885 * final.c (shorten_branches): Don't add an alignment for loops
23886 that have no label inside.
23888 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
23890 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
23891 prototypes in macro HAVE_cmpstrsi.
23893 * cpplib.c (cpp_get_token): Remove unused label `op3'.
23895 * emit-rtl.c (operand_subword): Remove unused variable
23898 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
23900 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
23902 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
23904 * cpphash.c (macroexpand): Delete leading whitespace when arg
23905 is concatenated before.
23906 (unsafe_chars): Correct test for whether + and - can extend a
23909 * cppinit.c (cpp_start_read): Do dependencies for
23910 -include/-imacros files also.
23912 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
23913 tokenizing non-directive lines.
23914 (cpp_expand_to_buffer): Temporarily disable no-output mode.
23915 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
23918 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
23920 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
23922 * c-lex.c: Sync with C++ frontend.
23923 (linemode): New variable.
23924 (parse_float): imag, conversion_errno, and type are output only.
23925 (yylex): Adjust. Move initial '.' case into main switch.
23927 (handle_generic_pragma): Just deal with tokens.
23928 (readescape): Use ISXDIGIT and ISGRAPH.
23929 * c-parse.in: Add END_OF_LINE token.
23931 * c-lex.c (lang_init): Generalize.
23932 (nextchar): Remove. Replace uses with UNGETC.
23933 (skip_white_space): Handle linemode here. Optimize for cpplib.
23934 (skip_white_space_on_line): Remove.
23935 (extend_token_buffer_to): New fn.
23936 (extend_token_buffer): Use it.
23937 (read_line_number, check_newline): Just deal with tokens.
23938 (token_getch, token_put_back): New fns.
23939 (yylex): Use them. More cpplib optimizations. Simplify.
23941 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
23942 Jason Merrill <jason@yorick.cygnus.com>
23944 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
23945 (consume_string): Make this smart about USE_CPPLIB.
23946 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
23947 (yylex): Rewrite to be intelligent about USE_CPPLIB.
23948 Also, clean up cases where we redundantly set token_buffer[0].
23949 (read_line_number): New fn.
23950 (ignore_escape_flag): New variable.
23952 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
23954 * a29k/t-a29kbare: Fix some comments.
23955 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
23956 (FPBIT, DPBIT): Define.
23957 * a29k/t-vx29k: Likewise.
23958 * arc/t-arc: Likewise.
23959 * arm/t-arm-elf: Likewise.
23960 * arm/t-bare: Likewise.
23961 * arm/t-pe: Likewise.
23962 * arm/t-pe-thumb: Likewise.
23963 * arm/t-semi: Likewise.
23964 * arm/t-thumb: Likewise.
23965 * arm/t-thumb-elf: Likewise.
23966 * arm/t-thumb-linux: Likewise.
23967 * h8300/t-h8300: Likewise.
23968 * i960/t-i960: Likewise.
23969 * i960/t-vxworks960: Likewise.
23970 * m32r/t-m32r: Likewise.
23971 * mips/t-ecoff: Likewise.
23972 * mips/t-elf: Likewise.
23973 * mips/t-r3900: Likewise.
23974 * pa/t-pro: Likewise.
23975 * rs6000/t-aix43: Likewise.
23976 * rs6000/t-beos: Likewise.
23977 * rs6000/t-newas: Likewise.
23978 * rs6000/t-ppccomm: Likewise.
23979 * rs6000/t-rs6000: Likewise.
23980 * rs6000/t-winnt: Likewise.
23981 * rs6000/t-xnewas: Likewise.
23982 * rs6000/t-xrs6000: Likewise.
23983 * sh/t-sh: Likewise.
23984 * sparc/t-elf: Likewise.
23985 * sparc/t-sparcbare: Likewise.
23986 * sparc/t-sparclite: Likewise.
23987 * sparc/t-splet: Likewise.
23988 * v850/t-v850: Likewise.
23989 * mn10200/t-mn10200: Fix comments.
23990 * mn10300/t-mn10300: Likewise.
23992 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
23993 dummy operand. Allocate a new pseudo for the dummy operand.
23994 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
23996 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
23998 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
24000 * configure: Rebuilt.
24001 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
24003 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
24005 * recog.c (preproces_constraints): Zero recog_op_alt before
24006 processing the constraints.
24008 * arm.c (typedef minipool_node): Renamed from pool_node.
24009 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
24010 (add_minipool_constant): New function.
24011 (dump_minipool): New function.
24012 (find_barrier): Remove special case for getting the insn size of
24013 an insn that references the constant pool.
24014 (minipool_fixup): New structure.
24015 (push_minipool_barrier): New function.
24016 (push_minipool_fix): New function.
24017 (note_invalid_constants): New function.
24018 (add_pool_constant, dump_table, fixit, broken_move): Delete.
24019 (arm_reorg): Rewrite code to fix up the constant pool into a
24020 series of mini-pools embedded in the insn stream.
24021 (arm_output_epilogue): New function, made mainly from the body
24022 of output_func_epilogue.
24023 (output_func_epilogue): Move insn generation part of epilogue code
24024 to arm_output_epilogue.
24025 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
24026 * arm.md (pool_range): New attribute.
24027 (zero_extendqidi2): Add attribute pool_range.
24028 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
24029 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
24030 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
24031 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
24032 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
24033 (epilogue): New expand.
24034 (epilogue_insn): New insn. Call arm_output_epilogue.
24036 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
24037 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
24039 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
24041 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
24043 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
24045 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
24047 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
24049 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
24051 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
24053 * global.c: Fix comment.
24055 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
24057 * gcc.c (access_check): New static function.
24058 (find_a_file): Use it when searching a directory list.
24059 * collect2.c (find_a_file): Don't accept directories found when
24060 searching a directory list.
24062 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
24064 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
24065 function parameters with `&'.
24066 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
24068 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
24070 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
24071 or tidy_fallthru_edge if the last insn in the block is not
24072 an unconditional jump or a simple conditional jump.
24074 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24076 * Makefile.in (c-decl.o): Depends on defaults.h.
24078 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
24080 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
24082 (CLASS_MAX_NREGS): Likewise.
24084 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
24086 * cse.c (cse_insn): Fix dumb thinko in last change.
24088 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24090 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
24093 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
24095 * dwarf2out.c (add_location_or_const_value_attribute): Correct
24096 test for sizes of passed and declared parameter types.
24098 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24100 * fixincludes: Fix the return type of bsearch, char* -> void*.
24102 * fixinc/inclhack.def: Likewise.
24104 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
24106 * invoke.texi (-fdump-translation-unit): New option.
24108 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
24110 * expr.h (PROMOTE_PROTOTYPES): Move ...
24111 * defaults.h: ... to here.
24112 * c-decl.c: Include defaults.h instead of expr.h.
24113 * c-typeck.c: Include defaults.h.
24115 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
24117 * toplev.h (errorcount): Declare.
24118 (warningcount): Likewise.
24119 (sorrycount): Likewise.
24120 * c-lex.c (errorcount): Don't declare.
24121 * dwarf2out.c (errorcount): Don't declare.
24123 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
24125 * config/libgloss.h: Add a note discouraging use with ELF.
24126 * configure.in: Don't use libgloss.h for ELF targets.
24127 Always use_collect2 on a.out targets.
24129 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
24131 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
24132 (force_to_mode, case ASHIFTRT): Add shiftrt label.
24134 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24136 * loop.c (strength_reduce): When doing biv->giv conversion, update
24137 reg note of NEXT->insn.
24139 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24141 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
24143 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24145 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
24146 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
24147 Ensure expr.h is included.
24148 * c-typecheck.c (convert_arguments): Ditto.
24150 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
24152 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
24153 * config/convex/convex.h: Ditto.
24154 * config/dsp16xx/dsp16xx.h: Ditto.
24155 * config/fx80/fx80.h: Ditto.
24156 * config/gmicro/gmicro.h: Ditto.
24157 * config/i370/i370.h: Ditto.
24158 * config/i386/i386.h: Ditto.
24159 * config/m32r/m32r.h: Ditto.
24160 * config/m68k/m68k.h: Ditto.
24161 * config/m88k/m88k.h: Ditto.
24162 * config/mips/mips.h: Ditto.
24163 * config/pa/pa.h: Ditto.
24164 * config/pyr/pyr.h: Ditto.
24165 * config/tahoe/tahoe.h: Ditto.
24166 * config/we32k/we32k.h: Ditto.
24168 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
24169 based on arch size.
24171 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
24173 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
24176 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
24178 1999-08-02 Richard Henderson <rth@cygnus.com>
24180 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
24181 for the register spill block.
24182 (m32r_va_arg): New.
24183 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
24184 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
24186 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
24187 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
24188 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
24190 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24192 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
24193 MAX_WCHAR_TYPE defined in sparc.h.
24194 * config/sparc/linuxaout.h: Likewise.
24195 * config/sparc/linux64.h: Likewise.
24196 Also default to -mvis if CPU is UltraSPARC.
24198 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24200 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
24201 (RTX_OK_FOR_OLO10): Likewise.
24202 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
24203 %lo(), allow it in addresses...
24204 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
24205 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
24206 does not make sense.
24207 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
24208 (sparc_output_scratch_registers): New function.
24209 (output_function_prologue, sparc_flat_output_function_prologue): Use
24211 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
24213 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
24214 * configure.in: Add check for .register pseudo-op support in as and
24215 check for offsetable %lo().
24216 * acconfig.h: Add templates for the above checks.
24217 * configure: Regenerate.
24219 1999-08-02 Richard Henderson <rth@cygnus.com>
24221 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
24222 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
24223 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
24225 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
24227 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
24230 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
24232 * config/float-sparc.h: New file.
24233 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
24234 sparc-*-linux-gnu and sparc64-*-linux*.
24236 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24238 * rs6000.c (rs6000_va_list): Type is an array.
24239 (rs6000_va_start): Don't doubly adjust for varargs.
24240 (rs6000_va_arg): Evaluate long long GPR adjustment.
24242 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
24244 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
24245 -maix64 and -maix32.
24246 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
24247 LINK_SPEC): Change appropriately.
24248 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
24249 (u_short_cint_operand): Likewise.
24250 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
24252 * rs6000/t-aix43 (MULTILIB): Change to -m64.
24254 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
24256 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
24258 * rs6000/rs6000.c (num_insns_constant_wide): Correct
24259 for type promotion.
24260 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
24261 (non_add_cint_operand): Likewise.
24262 (logical_operand): Likewise.
24263 (non_logical_cint_operand): Likewise.
24264 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
24265 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
24266 (rs6000_select_rtx_section): Suppress warning.
24267 (small_data_operand): Suppress warning.
24268 (rs6000_got_register): Suppress warning.
24269 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
24270 type, so `J' is generally the wrong constraint for a SImode value;
24272 (andsi3_internal2): Likewise.
24273 (andsi3_internal3): Likewise.
24274 (iorsi3_internal1): Likewise.
24275 (xorsi3_internal1): Likewise.
24277 (movsf_softfloat): Likewise.
24278 (scc insns): Likewise.
24279 (movsi+2): Preserve sign bits of SImode constant.
24280 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
24281 (movdf+1): Sign-extend properly.
24282 (movdi_32+1): Sign-extend properly.
24283 (scc insns): Sign-extend properly.
24285 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
24288 1999-08-02 Richard Henderson <rth@cygnus.com>
24290 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
24291 -mcpu parsing code.
24292 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
24293 * alpha.md (all fp insns): Likewise.
24295 1999-08-02 Nick Clifton <nickc@cygnus.com>
24297 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
24300 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
24302 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
24303 pic_load_label generator directly.
24304 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
24305 No longer a named pattern.
24307 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
24309 * explow.c (force_reg): Call force_operand if X does not
24310 satisfy general_operand.
24312 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
24314 * fix-header.c (main): When testing for CONTINUED, use string
24315 equality, not pointer equality.
24317 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
24319 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
24321 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
24323 * cse.c (cse_insn): Fix loop which deletes insns after a jump
24324 that has become an unconditional jump.
24326 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
24327 (output_function_epilogue): Similarly.
24329 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24331 * tree.h (init_dummy_function_start): Declare.
24333 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24335 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
24336 last_expr_type, last_expr_value, block_start_count, block_stack,
24337 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
24338 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
24339 dynamically in stmt elt of struct function for each function.
24340 (struct nesting): Rename function_call_count elt to n_function_calls,
24341 target_temp_slot_level to block_target_temp_slot_level. All users
24343 (struct stmt_status): New structure definition.
24344 Add many accessor macros for stmt_status elements which previously
24345 were global variables.
24346 (init_stmt_for_function): Allocate stmt elt for current_function.
24347 Reflect that block_start_count was renamed to
24348 current_block_start_count.
24349 (save_stmt_status, restore_stmt_status): Delete functions.
24350 (preserve_subexpressions_p): Don't access loop_stack when outside
24352 (expand_start_bindings): Reflect that block_start_count was renamed to
24353 current_block_start_count.
24354 (expand_fixup): Likewise.
24355 (expand_decl): Don't access block_stack when outside a function.
24356 (expand_decl_cleanup): Likewise.
24357 (expand_dcc_cleanup): Likewise.
24358 (expand_dhc_cleanup): Likewise.
24359 (expand_anon_union_decl): Likewise.
24360 (set_file_and_line_for_stmt): New function.
24361 (in_control_zone_p): New function.
24363 * function.h (struct function): Add new elt stmt.
24364 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
24365 case_stack, nesting_stack, nesting_depth, block_start_count,
24366 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
24367 emit_lineno, goto_fixup_chain.
24368 (save_eh_status, restore_eh_status, save_stmt_status,
24369 restore_stmt_status): Delete declarations.
24370 * function.c (push_function_context_to): Don't call save_stmt_status.
24371 (pop_function_context_to): Don't call restore_stmt_status.
24372 * tree.h (in_control_zone_p): Declare.
24373 * rtl.h (set_file_and_line_for_stmt): Declare.
24375 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
24376 call set_file_and_line_for_stmt.
24378 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
24380 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
24381 Also update copyright.
24383 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24385 * c-pragma.c: Don't include "except.h".
24386 * emit-rtl.c: Likewise.
24387 * stor-layout.c: Likewise.
24388 * tree.c: Likewise.
24389 * varasm.c: Likewise.
24391 * flow.c: Include "function.h".
24392 * tree.h (init_dummy_function_start): Declare new function.
24394 * except.h (struct eh_status): New structure.
24395 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
24397 (eh_return_stub_label, ehstack, catchstack, ehqueue,
24398 catch_clauses, false_label_stack, caught_return_label_stack,
24399 protect_list, current_function_ehc): Add accessor macros for the
24400 corresponding fields in current_function->eh; delete declarations
24401 for all items that used to be declared here.
24402 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
24403 catch_clauses, false_label_stack, caught_return_label_stack,
24404 protect_list, current_function_ehc): Delete variables.
24405 (init_eh_for_function): Allocate current_function->eh.
24406 (save_eh_status, restore_eh_status): Delete functions.
24408 * function.h (struct function): Add fields next_global and eh.
24409 Delete all exception handling related fields.
24410 * function.c (current_function): New variable.
24411 (all_functions): New variable.
24412 (push_function_context_to): Don't allocate a struct function,
24413 use current_function instead. Call init_dummy_function_start when
24414 outside a function. Clear current_function before returning.
24415 (pop_function_context_from): Restore current_function.
24416 Don't free the restored struct function.
24417 (prepare_function_start): New function.
24418 (init_dummy_function_start): New function.
24419 (init_function_start): Break out some code into prepare_function_start
24422 * stmt.c (save_stmt_status): Don't call save_eh_status.
24423 (restore_stmt_status): Don't call restore_eh_status.
24425 * Makefile.in: Update dependencies.
24427 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
24429 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
24430 of depending on a magic constant value. Update comments.
24431 (hppa_expand_prologue): Similarly.
24433 * pa.md (reload_indi, reload_outdi): Allow any register for the
24434 original reload register.
24436 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
24438 * cccp.c (print_help): Change marcos to macros.
24440 1999-07-30 Richard Henderson <rth@cygnus.com>
24442 * c-typeck.c (initializer_constant_valid_p): Move ...
24443 * c-common.c (initializer_constant_valid_p): ... here. Use
24444 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
24445 of label addresses.
24446 * c-common.h (initializer_constant_valid_p): Declare.
24447 * c-tree.h (initializer_constant_valid_p): Remove.
24449 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
24451 * config/i386/sol2-c1.asm: Align the stack.
24452 * config/i386/sol2-gc1.asm: Likewise.
24454 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
24456 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
24457 -Asparclite for sparc86x.
24458 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
24460 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
24462 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
24464 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
24465 the user if using the non-default arch size in BI_ARCH configuration.
24466 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
24468 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
24469 Fix patterns so that they actually match.
24470 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
24471 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
24472 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
24474 (mulsidi3): Reflect this in the expand.
24475 (smulsi3_highpart): Only on TARGET_ARCH32.
24476 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
24477 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
24478 (umulsidi3): Reflect this in the expand.
24479 (umulsi3_highpart): Only on TARGET_ARCH32.
24480 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
24481 don't require g0 to be zero.
24482 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
24483 ({,u}divsi3): New expands.
24484 ({,u}divsi3_sp64): New patterns.
24485 (after lshrdi3_v8plus): Four new patterns to help combiner
24486 optimizing nested mixed mode shifts.
24488 * config/sparc/sparc.c (sparc_override_options): Use deprecated
24489 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
24490 speed things up. Don't use them by default on plain v9 in 64bit
24491 mode, according to what SPAMv9 sais.
24493 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
24494 top 32 bits of %[og][0-7] in signal handlers.
24495 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
24497 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
24499 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
24500 (ashlsi3): Corresponding changes.
24502 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
24504 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
24506 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
24508 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24510 * arm.h (Hint): Delete macro.
24511 Substitute HOST_WIDE_INT for Hint in some prototypes.
24512 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
24514 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
24516 * builtins.c (expand_builtin_setjmp): Use force_operand to
24517 make sure that the buffer address is in a suitable form to be
24518 passed to force_reg.
24520 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
24522 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
24525 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
24527 * pa.md (indirect_jump): Remove mode from match_operand. Verify
24528 proper mode in the condition string.
24529 (icacheflush, dcacheflush): Remove modes from match_operands.
24531 * pa.c (emit_move_sequence): Always convert scratch_reg to the
24532 proper mode before using it.
24534 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
24537 * pa.c (store_reg): Do not call add_high_const generator directly.
24538 (load_reg, set_reg_plus_d): Likewise.
24539 * pa.md (add_high_const): No longer a named pattern.
24541 * pa.c (legitimize_address): Consistently use Pmode rather than
24542 SImode. Do not call gen_pic2_highpart directly anymore.
24543 * pa.md (pic2_highpart): No longer a named pattern.
24544 (pic2_lo_sum): Similarly. Reformat to make more readable.
24546 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
24551 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
24553 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
24555 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
24557 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
24558 and tag the spill mems.
24559 (hppa_va_start): New.
24560 (hppa_va_arg): New.
24561 * pa.h (EXPAND_BUILTIN_VA_START): New.
24562 (EXPAND_BUILTIN_VA_ARG): New.
24564 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
24566 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
24567 and tag the spill mems.
24568 (mn10300_va_start): New.
24569 (mn10300_va_arg): New.
24570 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
24571 (EXPAND_BUILTIN_VA_ARG): New.
24573 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
24575 * mn10200.c (mn10200_va_arg): New.
24576 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
24578 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
24580 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
24581 rather than play with TREE_INT_CST_LOW.
24583 1999-07-27 Philip Blundell <pb@nexus.co.uk>
24585 * config/arm/telf.h: Include dbxelf.h.
24586 (CPP_PREDEFINES): Only define if not already defined.
24587 (ASM_IDENTIFY_GCC): Likewise.
24588 (SUBTARGET_EXTRA_SECTIONS): Likewise.
24589 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
24590 * config/arm/thumb.h (LINK_SPEC): Only define if not already
24592 (DBX_DEBUGGING_INFO): Don't define.
24593 * config/arm/linux-telf.h: New file.
24594 * config/arm/linux-tgas.h: New file.
24595 * config/arm/t-thumb-linux: New file.
24596 * config/arm/uclinux-elf.h: New file.
24597 * config/arm/uclinux-telf.h: New file.
24598 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
24599 thumb-*-uclinux): New targets.
24600 * configure: Regenerate.
24602 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
24604 * pa.md (post_store, pre_load): New expanders.
24605 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
24606 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
24607 need to directly generate RTL for them.
24608 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
24611 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
24613 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
24614 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
24615 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
24616 (secndary_reload_class): Make TARGET_ELF conditional compile.
24617 (print_operand_address): Similar.
24618 (output_toc): Print all values as hex.
24619 (get_issue_rate): Rearrange and add RS64A and PPC630.
24620 * rs6000.h (processor_type): Add RS64A and PPC630.
24621 (PROCESSOR_POWERPC64): New.
24622 (PROMOTE_MODE): Use word_mode.
24623 (RTX_COSTS): Add RS64A and PPC630.
24624 * rs6000.md (scheduling information): Add lmul and ldiv
24625 representing 64-bit integer multiply and divide. Add rs64a and
24626 PPC630 information.
24627 (ashldi3): Add support for "rldic" instruction.
24628 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
24630 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
24632 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
24633 instead of V8 for sparclite86x in cpu_table.
24635 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24637 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
24638 output_file_directive.
24640 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
24642 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
24643 tree for op1, not the rtl.
24645 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
24647 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
24648 to m88k_va_start, leaving only the register spill.
24649 (m88k_build_va_list): New.
24650 (m88k_va_start): New.
24651 (m88k_va_arg): New.
24652 * m88k.h (BUILD_VA_LIST_TYPE): New.
24653 (EXPAND_BUILTIN_VA_START): New.
24654 (EXPAND_BUILTIN_VA_ARG): New.
24656 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
24658 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
24659 Rename from expand_builtin_saveregs.
24660 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
24662 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
24664 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
24665 for the register spill block.
24666 (i960_build_va_list): New.
24667 (i960_va_start): New.
24668 (i960_va_arg): New.
24669 * i960.h (BUILD_VA_LIST_TYPE): New.
24670 (EXPAND_BUILTIN_VA_START): New.
24671 (EXPAND_BUILTIN_VA_ARG): New.
24672 * i960.md (store_multiple): Use change_address on individul mems.
24674 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
24676 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
24678 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
24679 (expand_builtin_va_end): Evaluate arg for side effects.
24680 * c-common.c (c_common_nodes_and_builtins): Construct a
24681 va_list_arg_type_node to handle array decomposition to pointer.
24683 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
24685 * except.c (st_dynamic_cleanup): Use force_operand on the
24688 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
24690 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
24691 * c4x.c (c4x_va_arg): New.
24693 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
24695 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
24696 has manual_pop set.
24698 1999-07-26 Nathan Sidwell <nathan@acm.org>
24700 * eh-common.h (__eh_matcher): Prototype correctly.
24702 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
24704 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
24705 (TARGET_SINGLE_PIC_BASE): Likewise.
24706 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
24708 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
24709 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
24710 (TARGET_OPTIONS): Add -mpic-register=N.
24711 (OUTPUT_INT_ADDR_CONST): New macro.
24712 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
24713 LEGITIMATE_PIC_OPERAND_P): Likewise.
24714 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
24715 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
24716 output_addr_const directly.
24717 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
24719 (thumb_pic_register, thumb_pic_register_string): Declare.
24721 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
24723 (label_mentioned_p): New function: Imported from arm.c.
24724 (legitimize_pic_address): New function: Imported from arm.c.
24725 (is_pic):New function: Imported from arm.c.
24726 (thumb_finalize_pic):New function: Imported from arm.c.
24727 (add_constant): Cope with PIC constants.
24728 (fixit): Cope with PIC constants.
24729 (output_return): Do not treat the PIC register as live if
24730 TARGET_SINGLE_PIC_BASE is true.
24731 (thumb_function_prologue): Do not treat the PIC register as live if
24732 TARGET_SINGLE_PIC_BASE is true.
24733 (thumb_expand_prologue): Do not treat the PIC register as live if
24734 TARGET_SINGLE_PIC_BASE is true.
24735 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
24736 TARGET_SINGLE_PIC_BASE is true.
24737 (thumb_print_operand): Accept '|'.
24738 (thumb_override_options): Process PIC options.
24740 * config/arm/thumb.md (movsi): Support PIC.
24741 (call_insn): Change "i" constraint to "X".
24742 (call_value_insn): Likewise.
24743 (consttable_4, consttable_8, consttable_end): Set and clear
24744 "making_const_table" as appropriate.
24745 (pic_load_addr, pic_add_dot_plus_four): New insns.
24747 * invoke.texi (Thumb Options): Fix spelling. Document new
24748 options -msingle-pic-base and -mpic-register=.
24750 1999-07-26 Andrew Haley <aph@cygnus.com>
24752 * config/m32r/initfini.c (__init): Use a full word immediate for
24753 __fini: this allows it to be placed in any memory region.
24755 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
24756 -mmodel=medium. This is OK for all memory models.
24758 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
24760 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
24761 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
24763 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
24765 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
24768 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
24770 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
24772 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
24773 (BUILD_VA_LIST_TYPE): New.
24774 (EXPAND_BUILTIN_VA_START): New.
24775 (EXPAND_BUILTIN_VA_ARG): New.
24776 * i860.c (output_delayed_branch): Disable.
24777 (output_delay_insn): Likewise.
24778 (i860_saveregs): New.
24779 (i860_build_va_list): New.
24780 (i860_va_start): New.
24781 (i860_va_arg): New.
24782 * i860.md: Disable all peepholes using output_delayed_branch.
24783 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
24785 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
24787 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
24788 (BUILD_VA_LIST_TYPE): New.
24789 (EXPAND_BUILTIN_VA_START): New.
24790 (EXPAND_BUILTIN_VA_ARG): New.
24791 * clipper.c (clipper_builtin_saveregs): Only dump registers.
24792 Return the address of the save area.
24793 (clipper_build_va_list): New.
24794 (clipper_va_start): New.
24795 (clipper_va_arg): New.
24797 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
24799 * arc.h (EXPAND_BUILTIN_VA_START): New.
24800 (EXPAND_BUILTIN_VA_ARG): New.
24801 * arc.c (arc_setup_incoming_varargs): Set alias set of
24803 (arc_va_start): New.
24806 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
24808 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
24809 (BUILD_VA_LIST_TYPE): New.
24810 (EXPAND_BUILTIN_VA_START): New.
24811 (EXPAND_BUILTIN_VA_ARG): New.
24812 * alpha.c (alpha_builtin_saveregs): Delete.
24813 (alpha_build_va_list): New.
24814 (alpha_va_start): New.
24815 (alpha_va_arg): New.
24817 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
24819 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
24821 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
24822 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
24824 * gcc.texi: More changes related to list conversion.
24825 * invoke.texi: Likewise.
24827 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
24829 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
24830 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
24831 (expand_builtin_next_arg): Accept ARGLIST not EXP.
24832 (stabilize_va_list): New function.
24833 (std_expand_builtin_va_start): New function.
24834 (expand_builtin_va_start): New function.
24835 (get_varargs_alias_set): New function.
24836 (std_expand_builtin_va_arg): New function.
24837 (expand_builtin_va_arg): New function.
24838 (expand_builtin_va_end): New function.
24839 (expand_builtin_va_copy): New function.
24840 (expand_builtin): Call them.
24841 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
24842 __builtin_{varargs_start,stdarg_start,end,copy}.
24843 (build_va_arg): New function.
24844 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
24845 (build_va_arg): Declare.
24846 * c-decl.c (ptr_type_node, va_list_type_node): New.
24847 * c-parse.gperf (__builtin_va_arg): New.
24848 * c-parse.in (VA_ARG): New token.
24849 (unary_expr): Recognize it.
24850 * expr.c (expand_expr): Expand VA_ARG_EXPR.
24851 * expr.h (std_expand_builtin_va_start): Declare.
24852 (std_expand_builtin_va_arg): Declare.
24853 (expand_builtin_va_arg): Declare.
24854 (get_varargs_alias_set): Declare.
24855 * tree.def (VA_ARG_EXPR): New.
24856 * tree.h (BUILT_IN_VARARGS_START): New.
24857 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
24858 (ptr_type_node, va_list_type_node): Declare.
24859 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
24860 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
24861 * m88k.h, m88k.c: Likewise.
24862 * mn10300.h, mn10300.c: Likewise.
24863 * pa.h, pa.c: Likewise.
24864 * rs6000.h, rs6000.c: Likewise.
24865 * sh.h, sh.c: Likewise.
24866 * sparc.h, sparc.c: Likewise.
24868 * emit-rtl.c (operand_subword): Copy alias set.
24869 (change_address): Likewise.
24871 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
24873 * pa.c (compute_frame_size): Scan all the used callee saved registers,
24874 not just the first one.
24876 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
24878 * config/arm/arm.h (TARGET_SWITCHES): Add
24879 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
24880 (TARGET_OPTIONS): Add -mpic-register=.
24881 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
24882 (arm_pic_register_string): Declare.
24883 (NEED_PLT_GOT): Delete, replace with ...
24884 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
24885 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
24886 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
24887 * config/arm/arm.c (arm_override_options): Add new option
24889 (arm_pic_register_string): New variable.
24890 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
24891 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
24892 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
24893 (output_return_instruction): Likewise.
24894 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
24895 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
24896 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
24898 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
24899 mention of -msched-prolog. Document new options -msingle-pic-base
24900 and -mpic-register=.
24902 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
24904 * haifa-sched.c (reemit_notes): Tidy.
24905 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
24908 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
24910 * explow.c (trunc_int_for_mode): New function.
24911 (plus_constant_wide): Use it.
24912 * combine.c (simplify_and_const_int): Likewise.
24913 (merge_outer_ops): Likewise.
24914 (simplify_shift_const): Likewise.
24915 * cse.c (simplify_unary_operation): Likewise.
24916 (simplify_binary_operation): Likewise.
24917 * emit-rtl.c (operand_subword): Likewise.
24918 * rtl.h: Declare it.
24920 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24922 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
24923 (use NUM_REGS instead of NUM_INTS).
24925 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24927 * builtins.c: New file.
24928 * expr.c (saveregs_value, apply_args_value): Delete definition,
24929 moved into builtins.c.
24930 (string_constant): No longer static.
24931 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
24932 apply_args_size, apply_result_size, result_vector,
24933 expand_builtin_apply_args, expand_builtin_apply,
24934 expand_builtin_return): Delete functions, moved into builtins.c.
24935 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
24936 * expr.h (saveregs_value, apply_args_value): Declare variables.
24937 (expand_builtin, string_constant): Declare functions.
24938 * Makefile.in: Update to build builtin.o.
24940 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
24942 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
24943 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
24944 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
24945 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
24947 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
24950 1999-07-21 Michael Meissner <meissner@cygnus.com>
24952 * print-rtl.c (print_rtx): Print the names of the virtual
24955 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
24957 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
24958 introduced in previous delta.
24960 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
24962 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
24963 to avoid name clash.
24965 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
24967 * c-lex.c (yylex) : Correct the test for overflow when lexing
24970 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
24972 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
24973 (adjust_priority): Always call ADJUST_PRIORITY.
24974 (schedule_insn): Only put insns into the ready at cost 0.
24975 (schedule_block): Remove redundant initial sort. Give clock_var
24976 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
24978 * tm.texi (MD_SCHED_REORDER): Update docs.
24980 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
24981 * sparc.c (ultra_reorder_called_this_block): Delete.
24982 (ultrasparc_sched_init): Don't set it.
24983 (ultrasparc_sched_reorder): Don't check it.
24985 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
24987 * rs6000.h (struct rs6000_args): Add sysv_gregno.
24988 * rs6000.c (init_cumulative_args): Init sysv_gregno.
24989 (function_arg_boundary): Align DFmode.
24990 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
24991 to get fp reg and stack overflow correct.
24992 (function_arg): Likewise.
24993 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
24994 (setup_incoming_varargs): Restructure for ABI_V4; use
24995 function_arg_advance to skip final named argument.
24996 (expand_builtin_saveregs): Properly unskip the last integer arg
24997 when doing varargs. Adjust overflow location calculation.
24999 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
25000 explicitly unsigned.
25001 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
25002 (__VA_GP_REGSAVE): Similarly.
25003 (__va_longlong_p): Delete.
25004 (__va_arg_type_violation): New declaration.
25005 (va_arg): Restructure. Flag promotion errors. Align double.
25006 TFmode passed by reference.
25008 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
25009 in the HOST_BITS_PER_WIDE_INT > 32 case.
25011 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
25013 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
25015 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
25017 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
25018 * toplev.c (documented_lang_options): Add -fpreprocessed.
25019 * cpplib.h (struct cpp_buffer): Add preprocessed.
25020 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
25021 (cpp_start_read): Don't expand macros or emit an initial #line
25022 directive if -fpreprocessed.
25024 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
25026 * cpplib.h (struct cpp_buffer): Added manual_pop for
25027 better C++ tokenization.
25028 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
25029 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
25030 * c-common.c (cpp_token): Make non-static.
25032 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25034 * c-common.h: New file.
25035 * c-common.c (permanent_obstack): Delete unused declaration.
25036 (c_global_trees): New array.
25037 (c_common_nodes_and_builtins): New function; split off common code
25038 from init_decl_processing in both c-decl.c and cp/decl.c.
25039 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
25040 c_global_trees and accessor macros defined in c-common.h.
25041 Include c-common.h.
25042 * c-decl.c: Delete definitions for tree nodes that were replaced by
25044 (init_decl_processing): Build void_list_node.
25045 Call c_common_nodes_and_builtins; delete code to generate the common
25047 * objc/objc-act.c (build_module_descriptor): Rename variable
25048 void_list_node to avoid clash with c-common.h.
25050 * Makefile.in: Update dependencies.
25051 * objc/Make-lang.in: Likewise.
25053 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
25055 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
25056 (UNIQUE_SECTION_P): Likewise.
25057 (UNIQUE_SECTION): Likewise.
25059 1999-07-19 Linas Vepstas <linas@linas.org>
25061 * config/i370/README: New file.
25062 * config/i370/linux.h: New file.
25063 * config/i370/mvs.h: New file.
25064 * config/i370/oe.h: New file.
25065 * config/i370/t-linux: New file.
25066 * config/i370/t-mvs: New file.
25067 * config/i370/t-oe: New file.
25068 * config/i370/x-oe: New file.
25069 * config/i370/xm-linux.h: New file.
25070 * config/i370/xm-mvs.h: New file.
25071 * config/i370/xm-oe.h: New file.
25073 * i370.c (label_node_t): Add first_ref_page, label_addr,
25074 label_first_ref, label_last_ref members.
25075 (mvs_need_base_reload): Renamed from mvs_label_emitted.
25076 (MAX_MVS_LABEL_SIZE): Define.
25077 (MAX_LONG_LABEL_SIZE): Define.
25078 (alias_node_t, alias_anchor, alias_number): New.
25079 (mvs_function_table): Reorder for EBCDIC.
25080 (ascebc, ebcasc): Unconditionally define.
25081 (i370_branch_dest, i370_branch_length): New functions.
25082 (i370_short_branch, i370_label_scan): New functions.
25083 (mvs_get_label): Renamed from mvs_add_label. Search for
25084 an existing label before creating a new one.
25085 (mvs_add_label): New function.
25086 (mvs_get_label_page): New function.
25087 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
25088 over the entire list.
25089 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
25090 (mvs_check_page) [TARGET_ELF_ABI]: New function.
25091 (mvs_add_alias, mvs_need_alias): New functions.
25092 (mvs_get_alias, mvs_check_alias): New functions.
25093 (handle_pragma): New function.
25094 (mvs_function_check): New function.
25095 (unsigned_jump_follows_p): Search harder.
25096 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
25097 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
25098 * i370.h (TARGET_VERSION): Delete.
25099 (CPP_SPEC, CPP_PREDEFINES): Delete.
25100 (mvs_label_emitted): Delete.
25101 (TARGET_EBCDIC): Delete.
25102 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
25103 (HANDLE_PRAGMA): Define.
25104 (HARD_REGNO_NREGS): Handle complex modes.
25105 (HARD_REGNO_MODE_OK): Likewise.
25106 (CLASS_MAX_NREGS): Likewise.
25107 (RET_REG): Likewise.
25108 (EXTRA_CONSTRAINT): Define.
25109 (RETURN_IN_MEMORY): True for DImode.
25110 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
25111 (FUNCTION_PROFILER): Delete.
25112 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
25113 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
25114 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
25115 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
25116 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
25117 (ASM_FILE_START): Add "RMODE ANY".
25118 (ASM_OUTPUT_EXTERNAL): Check for aliases.
25119 (ASM_GLOBALIZE_LABEL): Likewise.
25120 (ASM_OUTPUT_LABELREF): Likewise.
25121 (ASM_OUTPUT_COMMON): Likewise.
25122 (PRINT_OPERAND): Handle 'K', 'W', default.
25123 (PRINT_OPERAND_ADDRESS): New.
25124 (Lots of defines): Add support for TARGET_ELF_ABI.
25125 * i370.md (attr length): New. Define for all patterns.
25126 (*): Lots of tweeks to assembly output and constraints.
25128 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
25130 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
25131 Disable patterns performing SImode comparisons with SImode values
25132 if TARGET_POWERPC64 and instruction does not sign-extend or does
25133 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
25134 differ for signed quantities.
25135 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
25136 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
25137 (decrement_and_branch_on_count): Add 64-bit variant.
25139 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25141 * final.c (output_asm_insn): When searching for the matching string
25142 for a given dialect, don't run past the end of the list of
25143 alternatives if there are fewer alternatives in the template than
25146 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
25148 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
25149 Removed paragraph about compression of files and size limitation,
25150 duplicated in the FAQ. Use gcc-patches for posting patches.
25151 * gcc.c (main): Updated URL with bug reporting instructions to
25152 gcc.gnu.org. Removed e-mail address.
25153 * system.h (abort): Likewise.
25155 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25157 * Makefile.in (stmp-multilib-sub): Make the files extracted
25158 from $(LIBGCC1) writable.
25160 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
25162 * config/arm/aout.h: Reformat for improved readability.
25164 * config/arm/arm.h: Reformat for improved readability.
25165 Replace uses of fprintf with asm_fprintf where appropriate.
25166 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
25167 function declaration assembler actions.
25168 (NUM_INTS): New macro: Convert from bytes to words.
25169 (NUM_REGS): New macro: Compute number of registers required to
25170 hold a quanitity of tyep MODE.
25171 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
25173 (NUM_ARG_REGS): New macro: The number of argument registers
25175 (ARG_REGISTER): New macro: Compute the register number of the Nth
25177 (LAST_ARG_REGNUM): New macro: The number of the last argument
25179 (SP_REGNUM): New macro: Register number of the stack pointer.
25180 (FP_REGNUM): New macro: Register number of the frame pointer.
25181 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
25182 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
25183 CUMULATIVE_ARGS so that it counts registers not bytes.
25185 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
25187 Replace uses of fprintf with asm_fprintf where appropriate.
25188 (output_ascii_pseudo_op): Replace with version from thumb.c
25190 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
25192 * config/arm/elf.h (CPP_PREDEFINES): Replace with
25193 SUBTARGET_CPP_SPEC.
25194 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
25195 (ASM_FILE_START): Emit ASM_APP_OFF.
25197 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
25199 * pa.c (compute_frame_size): Round frame according to
25200 STACK_BOUNDARY rather than a hardwired value.
25202 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
25204 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
25206 * configure: Rebuilt.
25208 * configure.in (hppa*-*-linux*): New configuration.
25209 * configure: Rebuilt.
25210 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
25211 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
25212 * pa/pa-linux.h: New file.
25213 * pa/t-linux: New file.
25214 * pa/xm-linux.h: New file.
25216 * pa.c (hppa_legitimize_address): Change references from SImode to
25217 either Pmode or word_mode as appropriate.
25218 (emit_move_sequence, store_reg, load_reg): Likewise.
25219 (set_reg_plus_d, hppa_expand_prologue): Likewise.
25220 (output_mul_insn): Likewise.
25221 * pa.h (PROMOTE_MODE): Likewise.
25222 (INITIALZE_TRAMPOLINE): Likewise.
25223 (Pmode): Define to word_mode.
25225 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
25226 value of 4. Allocate 8 bytes for each FP register save.
25227 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
25229 (hppa_expand_prologue): Likewise.
25230 * pa.h (PROMOTE_MODE): Likewise.
25231 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
25232 (FUNCTION_ARG_BOUNDARY): Likewise.
25234 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
25236 * pa.c (out_of_line_prologue_epilogue): Delete.
25237 (override_options): Remove -mspace related code.
25238 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
25239 (compute_frame_size): Only allocate space for register that
25240 actually need to be saved.
25241 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
25242 (TARGET_SWITCHES): Remove -mspace, -mno-space
25243 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
25244 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
25245 * pa/ee.asm, pa/ee_fp.asm: Delete.
25247 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
25249 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
25250 directive in column zero.
25252 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
25254 * m68k.c (output_function_prologue): Fix computation of save mask
25255 when generating PIC code.
25257 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
25259 * tree.c (build_type_attribute_variant): Move current_obstack restore
25260 after build_qualified_type call.
25262 1999-07-15 Mark Mitchell <mark@codesourcery.com>
25264 * configure.in: Use t-iris6, even with GNU LD.
25265 * config/mips/iris6gld.h: Fix typo in linker spec.
25266 * config/mips/t-iris6gld: Remove.
25268 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
25270 * rs6000.md (insv, extzv): Remove SImode dependence in named
25271 patterns. Explicitly generate DImode RTL if PowerPC64 and
25273 (insvdi): Reverse start and size in instruction template.
25275 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
25277 * invoke.texi: Typo fixes.
25279 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
25281 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
25282 handle at this time instead of silently generating incorrect code.
25283 (gen_imagpart): Likewise.
25285 * reload.c (find_reloads): Emit a USE for a pseudo register without
25286 a hard register if we could not create an optional reload for the
25289 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25291 * c-typeck.c (output_init_element, process_init_element):
25292 When advancing constructor_unfilled_fields for a RECORD_TYPE,
25293 check for nameless bit fields.
25295 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
25297 * regclass.c (scan_one_insn): Notice subregs that change the
25298 size of their operand.
25299 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
25301 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
25303 * configure.in (alpha*-*-*): Include alpha/t-ieee.
25304 * configure: Rebuilt.
25305 * alpha/t-ieee: New file.
25307 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
25309 * rs6000.c (find_addr_reg): Do not select r0 as an address
25312 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
25314 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
25316 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
25318 * rs6000.md (movsf): Do not force easy FP constants into memory.
25320 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
25321 immed_double_const to ensure they are properly truncated then
25324 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25326 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
25327 always unless NO_DEBUG is used. Compile this code
25329 (replace_symbols_in_block): Compile it unconditionally.
25331 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
25333 * configure.in (i?86-*-elf*): New target.
25334 * configure: Rebuilt.
25335 * i386/i386elf.h, i386/t-i386elf: New files.
25337 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
25339 * toplev.c (main): Don't complain about saying -gdwarf.
25340 (rest_of_compilation): Remove redundant code.
25342 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
25344 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
25346 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
25348 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
25349 "Li960R:", to avoid name clash.
25351 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
25353 * loop.c (check_dbra_loop): When reversing a loop, delete all
25354 REG_EQUAL notes referencing the reversed biv except those which are
25355 for a giv based on it.
25357 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
25359 * version.c: Drop "gcc-" prefix from version #.
25361 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
25363 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
25364 the label if we're being verbose.
25366 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
25368 * m68k.c (output_function_prologue): Add pic register to mask
25369 if live and flag_pic.
25370 (output_function_epilogue): Likewise.
25372 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
25374 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
25375 directives in column zero.
25377 * pa/elf.h (ASM_FILE_START): Define.
25378 * pa/som.h (ASM_FILE_START): Include .level directives.
25379 * pa/hpux10.h (ASM_FILE_START): Delete.
25380 * pa/hpux11.h (ASM_FILE_START): Delete.
25382 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
25384 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25386 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
25387 when reload_out equals reload_in.
25389 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
25391 * invoke.texi (Spec Files): New node: Describe the contents of
25394 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
25396 * invoke.texi (DEC Alpha Options): Put @end table at
25397 beginning of line, to avoid confusing texi2html.
25399 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
25401 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
25402 introduced in previous delta.
25404 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
25406 * reload1.c (gen_reload): When synthesizing a 3 operand add
25407 sequence, improve test for when to reload OP1 into the reload
25408 register instead of OP0.
25410 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
25412 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
25414 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
25416 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
25419 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
25421 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
25422 (va_dcl): Use __builtin_va_alist_t.
25424 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
25426 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
25427 on the permanent_obstack.
25428 * dwarfout.c (output_type): Likewise.
25430 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
25432 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25433 Merged from c-typeck.c and cp/typeck.c.
25434 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25435 Merged into c-common.
25437 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
25439 * c-lex.c (errorcount): Declare it.
25440 (finish_parse): Update errorcount when using CPPLIB.
25442 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
25444 * fixinc/inclhack.def(end_else_label): Double the backslash so
25445 sed gets a chance to see it.
25446 * fixinc/inclhack.sh: regen
25447 * fixinc/fixincl.x: regen
25449 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
25451 Add framework to support armv5 architecture when it becomes
25454 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
25455 (arm_arch5): New variable.
25456 (all_architectures): Add armv5 line.
25457 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
25458 -march=armv5 is specified on the command line.
25459 (arm_arch5): Export this variable.
25460 * invoke.texi: Document new string accepted by -march= switch for
25463 * config/arm/arm.h: Replace use of constant 12 as a register
25464 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25465 * config/arm/arm.c: Replace use of constant 12 as a register
25466 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
25468 * config/arm/elf.h: Tidy up.
25469 * config/arm/coff.h: Tidy up.
25471 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
25473 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
25474 * gcc/config/mips/t-iris6gld: New file.
25475 * gcc/config/mips/iris6gld.h: Likewise.
25477 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
25479 * c-decl.c (widest_integer_literal_type_node,
25480 widest_unsigned_literal_type) : New.
25481 (init_decl_processing): Handle/use the two new types.
25482 * c-common.c (type_for_size,type_for_mode) : Same.
25483 * c-lex.c (yylex) : Same.
25484 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
25486 * c-tree.h (widest_integer_literal_type_node,
25487 widest_unsigned_literal_type) : New.
25489 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
25491 * dwarfout.c (field_byte_offset): Correctly compute the object's
25492 byte offset for the first bit of a field which crosses an alignment
25493 boundary on a !BYTES_BIG_ENDIAN target.
25495 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
25497 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
25500 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
25501 Jeff Law <law@cygnus.com>
25503 * ginclude/varargs.h (va_dcl): Use word_mode for type of
25506 * except.c: Include intl.h.
25507 (expand_eh_return): Set current_function_cannot_inline.
25508 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
25509 * function.h (struct function): Add eh_return_stub_label.
25510 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
25511 * Makefile.in (except.o): Depend on intl.h.
25513 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
25515 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
25516 same as offsettable in cases 1 and 2.
25518 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
25520 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
25521 (extlh, extwh): Likewise.
25523 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
25525 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
25527 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
25529 * configure.in: Add arm-pe and thumb-pe targets.
25530 * configure: Regenerate.
25532 * thumb.c (arm_naked_function_p): New function: Determines if
25533 a function is naked (has no gcc generated prologue/epilogue).
25534 (is_called_in_ARM_mode): Return true if the func has the
25535 interfacearm attribute.
25536 (output_return): Do not generate a return for naked functions.
25537 (thumb_function_prologue): Do not generate a prologue for
25539 (thumb_expand_prologue): Do not generate a prologue for naked
25541 (thumb_expand_epilogue): Do not generate an epilogue for naked
25543 (arm_valid_machine_decl_attribute): New function, copied from
25544 arm.c: Permit naked and interfacearm attributes.
25546 * config/arm/pe.c: New file: Support code for arm-pe target.
25547 * config/arm/pe.h: New file: Header file for arm-pe target.
25548 * config/arm/tpe.h: New file: Header file for thumb-pe target.
25549 * config/arm/t-thumb-pe: New file: Makefile fragment for
25552 1999-07-01 Mark Kettenis <kettenis@gnu.org>
25554 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
25555 -fPIC or -fpic is specified.
25557 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
25559 * expr.c (emit_block_move): Use copy_to_mode_reg for
25560 !TARGET_MEM_FUNCTIONS case too.
25562 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
25564 * configure: Rebuilt.
25565 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
25566 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
25567 definitions made redundant by dbxelf.h inclusion. Delete
25568 lots of definitions related to assembly output that are
25569 specific to the SOM object format.
25570 * pa.c (output_function_prologue): Do not emit the function's
25572 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
25573 * pa-pro.h: Deleted.
25574 * som.h: New file with SOM specific definitions.
25575 * elf.h: New file with ELF specific definitions.
25577 * elfos.h (const_section): Output a tab before assembler directives.
25578 (ctors_section, dtors_section): Likewise.
25579 (ASM_OUTPUT_SECTION_NAME): Likewise.
25581 * pa/pa1.h: Delete unused file.
25583 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
25585 * configure.in (hppa*-hp-hpux11*): New configuration.
25586 * configure: Rebuilt.
25587 * pa/pa-hpux11.h: New file.
25588 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
25591 * mips.md (leasi, leadi): New patterns.
25593 * expr.c (emit_block_move): Properly handle case where one of the
25594 block move arguments has a queued increment or decrement.
25595 (clear_storage): Similarly. Fix formatting goof.
25597 1999-06-28 "David O'Brien" <obrien@NUXI.com>
25599 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
25600 semicolon from the BSD VA_LIST replacement expression.
25602 * fixinc/inclhack.sh: regen
25603 * fixinc/fixincl.x: regen
25605 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
25606 now use the fixincl program.
25608 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
25610 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
25611 case. Also make the PIC register call_used.
25613 * m68k.h (FINALIZE_PIC): Delete.
25614 * m68k.c (finalize_pic): Delete.
25616 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
25618 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
25621 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
25623 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
25625 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
25627 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
25629 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
25631 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
25633 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
25635 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
25637 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
25639 * rs6000.c (output_toc): Always use hex values for floating-point
25640 constants. Store single-precision values in upper-half of TOC
25641 entry in 64-bit mode.
25642 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
25643 to final constraints.
25644 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
25645 (fctiwz): Improve accuracy of RTL for pattern.
25647 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
25649 * expr.c (expand_expr): Allow RTL_EXPR's through the
25650 MAX_INTEGER_COMPUTATION_MODE checks.
25652 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
25654 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
25655 such that MASK_SUPPORT_ARCH is not negative.
25657 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
25659 * loop.c (verify_dominator): Properly handle ADDR_VEC and
25660 ADDR_DIFF_VEC insns that appear inside loops.
25662 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
25663 Jeff Law <law@cygnus.com>
25665 * rs6000.md (movdf_hardfloat32): Revert previous patch.
25666 Handle LO_SUM the same as offsettable in cases 1 and 2.
25667 * rs6000.c (find_addr_reg): Revert previous patch.
25669 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
25671 * system.h (strstr): New external function declaration.
25672 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
25673 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
25674 * config.in, configure: Rebuilt.
25676 1999-06-24 Tom Tromey <tromey@cygnus.com>
25678 * gcc.c (main): Read user-specified specs files after computing
25679 additional startfile_prefixes.
25681 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
25683 Revert these two patches:
25685 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25686 * loop.c (strength_reduce): When doing biv->giv conversion, update
25687 reg note of NEXT->insn.
25689 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25690 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
25692 (recombine_givs): Set ix field after sorting.
25694 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25696 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
25697 for the parts of an UNSPEC / UNSPEC_VOLATILE.
25699 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
25701 *fixinc/inclhack.def: Add fix development commentary
25702 (read_ret_type): reactivate and add selection clause
25703 (zzz_*): tweak output file name to match what is used in hackshell.tpl
25704 *fixinc/{fixincl.x|inclhack.sh}: regen
25706 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
25708 * expr.c (expand_expr): STRIP_NOPS before checking against
25709 MAX_INTEGER_COMPUTATION_MODE
25710 (check_max_integer_computation_mode): Likewise.
25712 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
25714 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
25716 1999-06-22 Jim Wilson <wilson@cygnus.com>
25718 * expr.c (store_expr): When target is a promoted subreg, return a
25719 promoted subreg as a result.
25721 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
25723 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
25725 (dwarf2out_define): Mark unused parameters appropriately.
25726 (gen_unspecified_parameters_die): Ditto.
25727 (gen_subprogram_die): Fix signed/unsigned warnings.
25728 (gen_variable_die): Ditto.
25730 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
25732 * fixinc/inclhack.def(end_else_label): combined else_label
25733 and endif_label and fixed the sed expression.
25734 *fixinc/{fixincl.x|inclhack.sh}: regen
25736 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
25738 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
25739 'x' when handling non-offsettable addresses
25741 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
25743 * final.c (shorten_branches): Don't try to split an insn that has
25746 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
25748 * config/mips/mips.c (symbolic_expression_p): New function.
25749 (mips_select_rtx_section): Put symbolic expressions in the
25750 data section, not the read-only data section.
25752 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
25754 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
25756 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
25758 * collect2.c (main): Log frame table count.
25759 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
25760 (scan_prog_file) [COFF]: Handle frame tables.
25762 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
25763 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
25764 * alpha/elf.h: Undef them again.
25765 * alpha/vms.h: Remove their definitions.
25767 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25769 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
25770 remove the clobber of r0 and change the REG_UNUSED note to
25773 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
25775 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
25776 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
25777 fits in HOST_WIDE_INT and one uses union to access a long constant
25780 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
25782 * sparc.c (sparc_override_options): Don't allow profiling for
25783 code models other than medlow.
25784 (sparc_function_profiler): New function from old FUNCTION_PROFILER
25785 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
25786 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
25787 (sparc_block_profiler): Likewise.
25788 (sparc_function_block_profiler_exit): Likewise.
25789 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
25790 (FUNCTION_BLOCK_PROFILER): Likewise.
25791 (BLOCK_PROFILER): Likewise.
25792 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
25793 (MCOUNT_FUNCTION): New.
25794 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
25795 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
25796 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
25797 (MCOUNT_FUNCTION): New.
25798 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
25799 (BLOCK_PROFILER): Delete.
25800 (MCOUNT_FUNCTION): New.
25802 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
25804 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
25806 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
25808 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25811 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25814 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25817 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
25820 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
25822 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
25825 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
25827 * i386/djgpp.h (LIB_SPEC): New.
25828 (STARTFILE_SPEC): New.
25830 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
25832 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
25834 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
25837 * system.h (WSTOPSIG): New macro.
25839 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
25841 * c-pragma.c (push_alignment): Don't ignore alignments greater than
25843 (insert_pack_attributes): Take into account member natural
25846 * i386/winnt.c (exports_head): New static variable.
25847 (i386_pe_record_exported_symbol): New function.
25848 (i386_pe_asm_file_end): Use.
25849 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
25850 symbols to be emitted at end of assembly.
25851 (ASM_DECLARE_OBJECT_NAME): Likewise.
25852 (ASM_DECLARE_FUNCTION_NAME): Likewise.
25854 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
25857 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
25859 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
25862 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
25864 * haifa-sched.c (sched_analyze_1): Use free_list instead of
25865 zapping reg_last_uses directly.
25866 (sched_analyze_2, sched_analyze_insn): Likewise.
25867 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
25869 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
25871 * rs6000.md (movdf_hardfloat32): Use worst case insn length
25872 attributes for cases 1 and 2.
25874 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
25876 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
25879 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
25881 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
25883 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
25885 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
25886 PIC_OFFSET_TABLE_REGNUM for general alloaction.
25887 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
25888 must be stacked if it is used for PIC accesses.
25889 * arm.c (use_return_insn): Handle PIC register specially.
25890 (output_return_instruction): Likewise.
25891 (output_func_{prologue,epilogue}): Likewise.
25892 (output_expand_prologue): Likewise.
25894 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
25895 (*strsi_predec): Renamed from *strqi_predec.
25896 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
25897 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
25899 * arm.c (arm_override_options): Remove warning about PIC code
25900 not being supported.
25902 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
25904 * rs6000.c (find_addr_reg): New function.
25905 * rs6000.h (find_addr_reg): Declare.
25906 (offsettable_addr_operand): Delete.
25907 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
25908 from and stores to GPRs.
25910 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
25912 * alpha.c (alpha_expand_block_move): Use get_insns rather than
25913 gen_sequence as argument to emit_no_conflict_block.
25915 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25917 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
25918 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
25919 *fixinc/fixincl.x: regen
25920 *fixinc/inclhack.sh: regen
25922 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
25924 * added support for -mpcrel (PC relative addressing for m68k)
25925 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
25926 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
25927 * m68k.c (print_operand_address): Handle 32-bit PIC case.
25928 (comments for general_src_operand): Add some explanation
25929 about EXTRA_CONSTRAINTS.
25930 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
25931 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
25932 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
25933 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
25934 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
25935 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
25936 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
25937 if not already set.
25938 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
25939 * m68k.h (TARGET_PCREL): New target flag.
25940 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
25941 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
25942 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
25943 contains a SYMBOL_REF. Relax this constraint during reload, since
25944 we want to use the predicates, not reload's built-in concept of a
25945 valid memory address, to control what insns need reloading.
25946 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
25947 operands (essentially 'g', 'm', and 's' under normal circumstances).
25948 * m68k.c (print_operand): Cause printing of pc-relative addresses
25949 to include pc register.
25950 (print_operand_address): Ditto.
25951 (general_src_operand): Accept operands that are not only
25952 general_operands, but are also valid when used as a pc-relative
25954 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
25955 (memory_src_operand): Similar, for memory_operands.
25956 (pcrel_address): New predicate to accept the special case of a
25957 pc-relative address.
25958 * m68k.md (many patterns): Rewrite common SImode, HImode, and
25959 QImode insns to accept *_src_operand instead of *_operand where
25960 pc-relative operands can fit. For example, a pc-relative operand
25961 can be used as a memory source operand for addsi3, but not as a
25962 memory destination.
25963 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
25965 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
25967 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
25968 .thumb_set pseudo op to mark aliases of thumb functions.
25970 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
25972 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
25973 preference to ASM_OUTPUT_DEF, if it is defined.
25975 * tm.texi: Document new, optional target macro
25976 ASM_OUTPUT_DEF_FROM_DECLS.
25978 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
25980 * fixincludes: ISCNTL patch
25981 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
25982 (dgux_int_varargs): new for DG/UX
25983 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
25985 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
25987 * invoke.texi (ia32 options): Fix typo.
25989 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
25991 * loop.c (strength_reduce): When doing biv->giv conversion, update
25992 reg note of NEXT->insn.
25994 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
25996 * loop.c (move_movables): Note issues with replacing REGs with
25998 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
26000 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
26002 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
26004 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
26005 the reference to `mcount' was not correct for the ELF on FreeBSD.
26007 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26009 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
26012 (recombine_givs): Set ix field after sorting.
26014 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
26016 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
26017 to safe to extract a subword out of a REG.
26019 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26021 * sh.md (mulsi3): Don't add a no-op move at the end.
26023 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26025 * cse.c (cse_insn): Don't put hard register source into tables for
26026 the last insn of a libcall.
26028 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26030 * loop.c (strength_reduce): Insert sets of derived givs at every
26031 biv increment, even if it's the only one.
26033 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
26035 * dwarfout.c (add_incomplete_type): New fn.
26036 (output_type): Call it.
26037 (retry_incomplete_types): New fn.
26038 (dwarfout_finish): Call it.
26040 From Eric Raskin <ehr@listworks.com>:
26041 (output_type): Output types for bases.
26043 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
26045 * mips.c (mips_output_conditional_branch): Add `break'
26046 between `default' label and `close braces'.
26048 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
26050 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
26051 specifications and make it realistic.
26052 (LIB_SPEC): Likewise.
26054 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
26056 * config/mips/mips.c (mips_secondary_reload_class): Check for
26057 (PLUS (SP) (REG)) and return appropriate register class.
26058 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
26059 Handle (PLUS (SP) (REG)).
26060 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
26061 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
26062 of emit_insn for tablejump.
26064 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
26066 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
26067 asm_fprintf format string by itself.
26068 (output_function_profiler): Likewise.
26070 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
26072 * combine.c (simplify_logical, case AND): Only call
26073 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
26074 or the constant is positive.
26076 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
26078 * configure.in: Fix typo in rs6000-ibm-aix4 case.
26079 * configure: Regenerate.
26081 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
26083 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
26084 require a sub-version #.
26085 * configure: Rebuilt.
26087 1999-06-14 Robert Lipe (robertlipe@usa.net)
26089 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
26091 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
26093 * c-typeck.c (process_init_element): Detect excess elements in
26094 char array initializer.
26096 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
26098 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
26100 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26102 * invoke.texi (Option Summary): Add -fpermissive flag.
26104 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
26106 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
26107 that require PIC code sequences.
26109 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
26111 * configure.in: Add new target: thumb-elf.
26112 * configure: Regenerate.
26113 * config/arm/t-thumb-elf: New file: Makefile fragment for
26115 * config/arm/telf.h: New file: Header file for thumb-elf
26118 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
26120 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
26121 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
26122 initializers is some circumstances.
26124 * fixinc/inclhack.def (endif_label): Add additional selector for
26125 more bogus stuff after #endif statements.
26126 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
26128 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
26130 * i386/cygwin.h (SET_ASM_OP): Define.
26132 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
26134 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
26136 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26138 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
26141 * sh.md (ic_invalidate_line_i): Remove second alternative.
26143 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26145 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
26146 test for the presence of valid prototypes. Delete bypass expr.
26147 (ioctl_fix_ctrl): Correct the selection expression.
26148 (no_double_slash): Correct quoting rules
26149 *fixinc/fixincl.x: regen
26150 *fixinc/inclhack.sh: regen
26152 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
26154 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
26156 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26158 * rs6000.md (movsi_got_internal_mem): Delete.
26159 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
26160 (GOT_TOC_REGNUM): Delete.
26161 (PIC_OFFSET_TABLE_REGNUM): Define.
26162 (FINALIZE_PIC): Disable.
26163 * rs6000.c (rs6000_got_register): New code for fixed pic register.
26164 (rs6000_replace_regno): Delete.
26165 (rs6000_finalize_pic): Likewise.
26166 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
26168 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26170 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
26171 is a note; use <= for the compare; advance P while it is
26174 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
26176 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
26177 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
26179 * varasm.c (remove_from_pending_weak_list): Verify t->name
26180 is non-NULL before passing it to strcmp.
26182 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26184 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
26185 the typed arguments are not part of a comment
26186 (ioctl_fix_ctrl): Added a purpose comment
26187 *fixinc/fixincl.x: regenerate
26188 *fixinc/inclhack.sh: regenerate
26190 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26192 * invoke.texi: Add C4x invocation docs.
26194 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
26196 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
26198 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
26200 (c4x_legitimize_reload_address): New function.
26201 * config/c4x/c4x.md: Update docs.
26203 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
26205 * fixincludes: Avoid removing '.'.
26206 * fixinc/fixinc.svr4: Likewise.
26207 * fixinc/fixinc.winnt: Likewise.
26208 * fixinc/inclhack.tpl: Likewise.
26209 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
26211 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26213 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
26215 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
26217 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
26219 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
26222 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
26224 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
26225 * configure: Regenerate.
26227 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
26229 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
26232 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
26234 * fixinc/inclhack.def (avoid_bool): Also catch
26235 "typedef [unsigned] int bool".
26236 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26238 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
26239 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
26240 * configure: Rebuilt.
26242 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
26244 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
26245 such that we can override its definitions if necessary.
26246 (CPP_SPEC): New define. Support processor specific predefines via
26248 (CC1_SPEC): New define. Support processor specific compiler
26249 options via %(cc1_cpu).
26250 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
26253 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26255 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
26256 between sed's -e flag, and the open-quote following it.
26257 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
26259 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
26260 Jeffrey A Law (law@cygnus.com)
26262 * varasm.c (assemble_start_function): Remove the function
26263 from the pending weak decls list when we define a function.
26264 (assemble_variable): Similarly for variables.
26265 (weak_finish): Ignore items on the list with a NULL name.
26266 (remove_from_ending_weak_list); New function to "remove" an item
26267 from the pending weak declarations list.
26269 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26271 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
26273 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
26275 * c-lex.c (GETC): Redefine to call getch.
26276 (UNGETC): Redefine to call put_back.
26277 (putback_buffer): New structure type.
26278 (putback): New static structure.
26279 (getch): New function.
26280 (put_back): New function.
26281 (yylex): Replace unused bytes from bad multibyte character.
26283 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
26285 * cpplib.c (do_define): Cast `alloca' return value.
26286 (do_include, do_undef, do_pragma): Likewise.
26287 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
26289 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
26290 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
26292 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
26294 * sparc.md (abstf2): This should be an expand.
26295 (split after abstf2_notv9): Fix mode.
26296 (abstf2_hq_v9): New pattern.
26297 (abstf2_v9): Only use when no hard quad.
26298 (absdf2_v9): Fix if target is not the same as source.
26299 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
26300 Add correct output constraints.
26302 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
26304 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
26305 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
26307 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
26309 * mips.h (mips_output_conditional_branch): New function.
26310 (mips_adjust_insn_length): Likewise.
26311 (ASSEMBLER_SCRATCH_REGNUM): New macro.
26312 (ADJUST_INSN_LENGTH): Likewise.
26313 * mips.c (print_operand): Add `F' and `W' for floating-point
26314 comparison opcodes.
26315 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
26317 (mips_adjust_insn_length): New function.
26318 (mips_output_conditional_branch): New function.
26319 * mips.md (length): Adjust attribute definition to handle
26320 conditional branches. Change lengths to bytes, rather than
26321 instructions throughout. Remove length attribute from
26322 instructions whose length is four bytes, and rely on the default
26324 (dslot): Fix typo in comment.
26325 Reword conditional branch patterns to use
26326 mips_output_conditional_branch.
26328 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
26330 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
26331 (LIB_SPEC): Likewise.
26332 Link with -lprof1_r for -g/-pg.
26334 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26336 * loop.c (check_dbra_loop): Fix change of Jan 19.
26338 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
26340 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
26341 (STARTFILE_SPEC): Define, override the svr4.h version.
26342 (ENDFILE_SPEC): Likewise.
26344 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
26346 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
26347 * fixinc/fixincl.x: Regenerated.
26348 * fixinc/inclhack.sh: Regenerated.
26350 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26352 * sh.c (barrier_align): Don't return early for normal branch/barrier
26353 when optimizing for SH2.
26355 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
26357 * i386/udk.h (LINK_SPEC): Correct linker search path for
26360 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26362 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
26363 (braf_label_ref_operand): Delete.
26364 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
26365 * sh.md (casesi_jump_2): Operand1 is now the inside of a
26366 label_ref, and has no predicate.
26367 The patten has a predicate to guard against invalid substitutions.
26368 (dummy_jump): Delete.
26369 (casesi): Update use of casesi_jump_2.
26371 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26373 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
26374 *fixinc/fixincl.x: regenerate
26375 *fixinc/inclhack.sh: regenerate
26377 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
26379 * dwarf2out.c (add_incomplete_type): New fn.
26380 (gen_struct_or_union_type_die): Call it.
26381 (retry_incomplete_types): New fn.
26382 (dwarf2out_finish): Call it.
26384 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
26386 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
26387 current block starts with a CODE_LABEL and ends with a CALL and
26388 we can not find all the argument setup instructions for the CALL.
26390 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
26392 Revert this change:
26393 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26394 something is a candidate for optimize_bit_field_compare.
26396 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26398 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
26400 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
26402 * alpha.c (override_options): Thinko in last patch.
26404 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
26405 (LIB_SPEC): Recognize -pthread.
26407 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
26409 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
26410 definition in config/arm/coff.h
26411 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
26413 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26415 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
26416 fixes that need "file=xxx\n" prepended before invocation
26417 (start_fixer - new): starting the fixer process is complex enough
26418 to warrent its own routine. It prepends the "file=xxx\n" stuff.
26419 (process): uses the new routine; omit usage of putenv()
26420 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
26421 * fixinc/fixincl.x: regenerate
26423 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
26425 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
26426 and version #s (1.1 -> 2.96) as needed.
26427 * README.g77: Kill way out of date file in the toplevel directory.
26429 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
26431 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
26432 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
26433 * configure: Rebuilt.
26434 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
26435 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
26436 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
26437 (SWITCH_TAKES_ARG): Likewise.
26438 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
26439 * config/t-freebsd: Moved from config/i386/ so it can used for all
26442 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
26444 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
26446 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
26448 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
26449 * configure: Rebuilt.
26451 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
26453 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
26454 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
26455 * rs6000/rs6000.c (rs6000_file_start): Use putc.
26456 (rs6000_output_load_toc_table): Same.
26457 (output_prolog, output_mi_thunk): Same.
26458 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
26459 (ASM_GLOBALIZE_LABEL): Use putc.
26461 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
26463 * alpha.md (reload_*_help): New patterns and splitters.
26464 (reload_*): Use them.
26465 (mov[qh]i): Likewise.
26467 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
26469 * cccp.c (handle_directive): Handle backslash-newlines in quoted
26472 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
26474 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
26476 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
26478 * flow.c (mark_regs_live_at_end, insn_dead_p,
26479 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
26480 and HARD_FRAME_POINTER_REGNUM special treatment if reload
26481 hasn't run or the frame pointer is needed.
26482 * haifa-sched.c (attach_deaths): Likewise.
26483 * sched.c (attach_deaths): Likewise.
26485 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
26487 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
26488 calculate_can_reach_end returns nonzero.
26490 * configure.in (native gas tests): Search for an assembler in the
26491 same manner that the installed compiler will.
26492 * configure: Rebuilt.
26493 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
26495 * alias.c (find_base_term): Improve handling of addresses
26496 constructed from binary operations.
26498 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
26500 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
26502 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
26504 * function.h (cleanup_label, frame_offset): Declare.
26505 (tail_recursion_label, tail_recursion_reentry): Likewise.
26506 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26507 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
26508 (tail_recursion_label, tail_recursion_reentry): Likewise.
26509 (arg_pointer_save_area, rtl_expr_chain): Likewise.
26511 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
26513 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
26515 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
26516 (MAX_OFILE_ALIGNMENT): Define.
26518 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
26520 * fixincl.c: Replace local include scheme with #includes of
26521 gansidecl.h and system.h.
26522 * procopen.c: Likewise.
26523 * server.c: Likewise.
26525 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
26527 * i386/t-dgux (EXTRA_PARTS): Add crti.o
26528 (crti.o): Add build rule and dependencies.
26529 * fixinc/fixinc.dgux: Use modified _int_varargs.h
26531 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26533 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
26534 (LIB_LINUX_SPEC): Likewise.
26535 (LIB_LINUX_SPEC): Add support for -pthread
26536 (CPP_OS_LINUX_SPEC): Likewise.
26537 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
26540 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
26542 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
26544 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
26545 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
26546 for IEEE math and CC_FCOMI.
26547 (put_jump_code): No IEEE if CC_FCOMI is set.
26549 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26551 * fold-const.c (fold_truthop): Make the field reference unsigned
26552 when converting a single bit compare.
26554 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26556 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
26558 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
26560 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
26561 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
26564 * reload.c (push_reload): Do not call remove_address_replacements
26565 when presented with identical optional reloads.
26567 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
26569 * alpha.h (MASK_FIX, TARGET_FIX): New.
26570 (MASK_*): Reorganize constants.
26571 (CPP_AM_FIX_SPEC): New.
26572 (TARGET_SWITCHES): Add FIX.
26573 (EXTRA_SPECS): Likewise.
26574 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
26575 (SECONDARY_MEMORY_NEEDED): Likewise.
26576 (REGISTER_MOVE_COST): Likewise.
26577 * alpha.c (override_options): Add FIX support. Always use
26578 ALPHA_TP_PROG for ev6.
26579 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
26580 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
26581 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
26583 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
26585 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
26586 something is a candidate for optimize_bit_field_compare.
26588 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
26590 * gcc.texi (Passes): Document branch-shortening.
26591 * invoke.texi (Debugging Options): Document the fact that `-dp'
26592 outputs length information for instructions.
26594 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
26596 * flow.c: Revert previous delta.
26598 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
26600 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
26601 FRAME_POINTER_REGNUM.
26602 (mark_set_1): Ditto.
26603 (mark_used_regs): Ditto.
26605 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
26607 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
26608 (GOT_PCREL): New macro. Define to 1 if not already defined.
26609 * arm/elf.h (GOT_PCREL): Define to 0.
26610 * arm.c (arm_finalize_pic): Take into account the setting of
26613 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
26615 * output.h (STRIP_NAME_ENCODING): Provide default definition.
26616 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
26618 * flow.c (mark_set_1): Do not record BLKmode stores as dead
26619 store elimination candidates.
26621 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
26623 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
26626 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
26628 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
26629 Add use of x-aix41-gld.
26631 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
26633 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
26634 (ASM_OUTPUT_DESTRUCTOR): Define.
26636 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
26638 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
26639 last CODE_LABEL in a loop if we have previously passed a jump
26640 to the top of the loop.
26642 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
26644 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
26645 applying Philip's patch.
26647 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
26649 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
26652 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
26654 * loop.c (strength_reduce): Grow reg_single_usage as needed.
26656 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
26658 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
26659 Also remove a useless comment.
26661 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
26663 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
26665 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
26667 * collect2.c (main): Only generate import or export file and add
26668 to link arguments if non-empty. Use xmalloc not alloca.
26669 (write_{export,import}_file): Delete.
26670 (write_aix_file): New function.
26671 (locatelib): Use xmalloc not malloc.
26672 (GCC_OK_SYMBOL): Do not check type if aix64.
26674 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
26676 Based on patch by Scott Bambrough and Pat Beirne:
26677 * config/arm/arm.c (making_const_table): New variable.
26678 * config/arm/arm.h (making_const_table): Declare.
26679 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
26681 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
26682 Keep track of when we are building the constant table.
26684 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
26686 * config/arm/arm.c (arm_override_options): Fix erroneous warning
26689 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
26691 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
26694 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
26696 * tm.texi (FUNCTION_ARG): Correct description of a stack element
26699 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
26701 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
26703 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
26705 * rs6000.c (output_mi_thunk): Enable full support again.
26707 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
26709 * sh.h (BRANCH_COST): Define.
26711 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
26713 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
26715 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
26717 * function.c (assign_stack_local): Align stack slot propertly.
26718 (assign_outer_stack_local): Likewise.
26720 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
26722 * expr.h (lang_expand_constant): Declare.
26723 * toplev.c (lang_expand_constant): Define it.
26724 * varasm.c (output_constant): Use it.
26726 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26728 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
26729 Change function definitions to K&R style.
26731 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26733 * fixinc/fixincl.c: We must not ignore SIGCLD now.
26735 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
26737 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
26738 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
26739 (several places): omit static initialization
26740 (process): use single fd, since only the read fd is used
26741 * fixinc/gnu-regex.c: define 'const' away, if not supported
26742 * fixinc/procopen.c(several places): omit static initialization
26743 * fixinc/server.c: define 'volitile' away, if not supported
26745 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
26747 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
26748 asm_fprintf and %L to generate the label name.
26749 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
26750 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
26752 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
26754 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
26755 insn for a conditional jump can not be found.
26757 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
26759 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
26760 on variables in specific sections other than .sbss and .sdata.
26762 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
26764 * stmt.c (expand_return): Call start_cleanup_deferral and
26765 end_cleanup_deferral around conditional code.
26767 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
26769 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
26770 filename lists. Utilizes new "krstr" AutoGen function.
26771 * fixinc/fixincl.x: Rebuilt.
26773 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
26775 * i386.c (output_float_compare): Avoid GNU-C extensions.
26777 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
26779 * version.c: Bump to distinguish mainline tree from the
26782 See ChangeLog.1 for earlier changes.