1 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
3 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
4 to be of type regset_head, not regset. All users changed by adding
6 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
8 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10 * config/c4x/rtems.h: New file.
12 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
14 * reload1.c (spill_failure): Take class of failed reload as argument
15 and print it. Caller changed.
17 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
19 * rs6000.h (SUBTARGET_DEFAULT): New macro.
20 (TARGET_SWITCHES): Allow subtargets to default switches.
21 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
23 1999-12-18 Mark Mitchell <mark@codesourcery.com>
25 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
28 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
30 * cccp.c (main): Define __STDC_VERSION__ as necessary.
31 * cppinit.c (cpp_handle_option): Likewise.
33 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
34 determine when to define.
36 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
38 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
39 cmove with mismatched test and data modes.
41 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
43 * c-typeck.c (c_expand_start_case): Don't warn for long switch
46 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
48 * alias.c: Minor reformatting.
51 * stor-layout.c: Likewise.
52 * fold-const.c: Likewise.
53 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
54 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
56 (size_int_wide): Cache nodes even if garbage collecting.
57 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
58 of SAVE_EXPR has no side effects.
59 * cse.c: Move a comment.
60 * tree.c: Minor reformatting.
61 (int_size_in_bytes): Return -1 if constant overflows.
63 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
65 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
67 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
69 * objc/objc-parse.c: Regenerate. This file must be rebuilt
70 after any change to c-parse.in, even if objc-parse.y didn't
73 1999-12-18 David S. Miller <davem@redhat.com>
75 * toplev.c (rest_of_compilation): Restore BLOCK tree
76 reconstruction and branch shortening changes lost in
79 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
81 * config/arm/linux-elf.h: Change all instances of
82 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
83 * config/arm/uclinux-elf.h: Likewise.
85 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
87 * toplev.c (notice, vmessage, v_message_with_file_and_line,
88 v_message_with_decl, file_and_line_for_asm,
89 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
90 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
91 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
92 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
93 pfatal_with_name, fatal_io_error, need_error_newline,
94 last_error_function, last_error_tick, announce_function,
95 default_print_error_function, print_error_function,
96 report_error_function, fnotice, error_with_file_and_line,
97 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
98 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
99 warning_with_decl, warning_for_asm, warning, pedwarn,
100 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
102 (compile_file): Use fnotice instead of notice. Adjust call.
104 * diagnostic.c: New file.
106 * Makefile.in (OBJS): Include diagnostic.o
107 (diagnostic.o): Define dependence.
109 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
111 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
114 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
116 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
118 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
120 * fixtests.c (is_cxx_header): New fn, split out of
122 (else_endif_label): Allow "#endif // comment" in C++ headers,
123 as determined by is_cxx_header.
124 * fixfixes.c (else_endif_label_fix): Update comment.
125 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
127 * genfixes: Correct double thinko in commandline parsing.
128 * hackshell.tpl: Generate correct sh syntax for bypass
131 * inclhack.def (all): Whenever an inserted preprocessor
132 conditional is split over multiple lines, use double
133 backslashes in this file so the fixed header will be readable.
135 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
136 and add bypass entry for correct version of this header.
137 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
138 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
140 (hpux8_bogus_inlines): New fix, split from...
141 (ultrix_atof_param) ... here.
142 (math_expression): Add bypass entry keyed to glibc comment
143 indicating the problem has been dealt with; disable
144 unnecessary sed operations; update commentary.
145 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
146 add select and bypass entries, simplify shell operation.
147 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
149 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
150 ultrix_atof_param): Add select entry.
151 (stdio_va_list, sunos_mather_decl): Add bypass entry.
152 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
153 comments with the fixes they describe.
155 * c-parse.in (string action): Do not warn about ANSI string
156 concatenation in system headers. Affects C parser only.
157 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
159 1999-12-16 Jakub Jelinek <jakub@redhat.com>
161 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
162 compiling libgcc2 the macro depends always on arch cpp defines.
164 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
166 * loop.c (insert_loop_mem): Don't record MEMs from inside
169 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
171 * regclass.c (regclass): Do not use flowgraph when not optimizing.
173 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
174 notes too, create one when replacement failed, attempt to simplify
176 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
179 1999-12-16 Mark Mitchell <mark@codesourcery.com>
181 * crtstuff.c (__dso_handle): Declare.
182 (__cxa_finalize): Likewise.
183 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
186 * invoke.texi: Document -fuse-cxa-atexit.
188 * tree.h (ptr_type_node): Document.
189 (const_ptr_type_node): Likewise.
191 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
193 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
194 (optimize_reg_copy_2): Likewise.
195 (optimize_reg_copy_3): Likewise.
196 (fixup_match_2): Likewise.
197 (regmove_optimize): Likewise.
198 (fixup_match_1): Liekwise.
200 * i386.md (HI to SImode promoting splitters): Rewrite.
201 (pushsf mem peep2): New.
202 (testhi to andhi peep2): Remove.
203 * i386.h (x86_promote_QImode): New.
204 (TARGET_PROMOTE_QImode): New.
205 (PREDICATE_CODES): Add promotable_binary_operator.
206 * i386.c (x86_promote_QImode0: New.
207 (promotable_binary_operator): New.
208 * i386-protos.h (promotable_binary_operator): New.
210 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
212 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
214 1999-12-16 Mark Mitchell <mark@codesourcery.com>
216 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
217 * function.c (insert_block_after_note): Remove.
218 (retrofit_block): Likewise.
219 (identify_blocks): Fix indentation.
220 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
221 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
222 * function.h (insert_block_after_note): Remove prototype.
223 (retrofit_block): Likewise.
224 * integrate.c (expand_inline_function): Don't call
225 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
226 just expand_start_bindings. Use the block_map to remap old
227 NOTE_BLOCKs to new ones.
228 (integrate_decl_tree): Keep track of remapped blocks.
229 * integrate.h (struct inline_remap): Add block_map.
230 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
231 NOTE_BLOCK on the notes.
232 (expand_start_bindings): Rename to ...
233 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
234 (expand_end_bindings): Set NOTE_BLOCK.
235 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
236 reconstruct the BLOCK tree.
237 * tree.h (expand_start_bindings): Macroize. Call ...
238 (expand_start_bindings_and_block): New function.
240 1999-12-16 Jakub Jelinek <jakub@redhat.com>
242 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
245 1999-12-16 David S. Miller <davem@redhat.com>
247 * expr.c (emit_move_insn_1): Only emit clobbers if one of
248 the outputs is a SUBREG.
249 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
252 * config/sparc/sparc.c (epilogue_renumber): Add default case
255 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
257 * toplev.c (rest_of_compilation): Run branch shortening after
260 * regclass.c (loop_depth): Remove
261 (scan_one_insn): Do not handle LOOP_NOTE insns.
262 (regclass): Go through basic blocks and set loop_cost
264 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
266 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
268 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
270 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
271 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
272 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
274 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
276 * loop.c (insert_loop_mem): Ignore memory clobbers.
278 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
281 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
283 * profile.c: Remove redundant #include "output.h".
285 * h8300.md (HImode preinc peephole): Fix typo.
287 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
289 * function.c (retrofit_block): Abort if we don't find a suitable insn.
290 (insert_block_after_note): Abort if we don't have a previous block.
292 * function.h: Adjust.
294 1999-12-15 Mark Mitchell <mark@codesourcery.com>
296 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
297 argument more than once.
299 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
301 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
303 1999-12-15 Jakub Jelinek <jakub@redhat.com>
305 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
307 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
309 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
310 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
311 update stack_alignment_needed.
312 (prepare_function_start): Initialize stack_alignment_needed
313 * function.h (struct function): Add field stack_alignment_needed.
315 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
317 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
318 Handle live_throughout / dead_or_set instead of live_before /
320 (save_call_clobbered_regs): Get register livenessinformation from
321 chain->live_throughout.
322 (add_stored_regs): New function.
323 (insert_restore, insert_save): Add restored / saved registers to
325 * global.c (reg_dies): New parameter chain.
326 (reg_becomes_live): Third parameter is regs_set now.
328 (reg_dies): New parameter chain. Changed all callers.
329 (build_insn_chain): Set live_throughout instead of
330 live_before / live_after.
331 * reload.h (struct insn_chain): Replace members live_before /
332 live_after with live_throughout / dead_or_set.
333 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
334 instead of live_before / live_after.
335 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
336 (order_regs_for_reload, find_reg, finish_spills): Likewise.
337 (choose_reload_regs_init): Likewise.
338 * stupid.c (current_chain, find_clobbered_regs): Delete.
339 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
340 instead of chain->live_before / chain->live_after.
341 (mark_hard_ref): New function.
342 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
344 1999-12-15 David S. Miller <davem@redhat.com>
346 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
348 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
350 * flow.c (calculate_loop_depth): Make global, remove prototype,
351 rewrite to use new loop infrastructure.
352 (find_basic_block): Remove calculate_loop_depth call.
353 * toplev.c (rest_of_compilation): Call find_basic_block.
354 * output.h (calculate_loop_depth): Declare.
356 * flow.c (dump_flow_info): Dump loop_depth.
357 (flow_loops_nodes_find): Increase loop_depth for basic block in the
359 (flow_loops_find): Initialize the loop_depth for each basic block.
361 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
363 * tree.c (decl_function_context): Handle virtual functions.
365 * tlink.c (scan_linker_output): Don't look in demangled name when
366 looking for linker output keywords.
368 * dwarfout.c (output_type): We can defer namespace-scope classes.
370 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
372 * regclass.c (record_reg_classes): Update comment for merging
373 register class preferences in reg->reg copies. Tighten conditions
374 for merging register class preferences in reg->reg copies.
376 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
378 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
380 1999-12-14 Geoff Keating <geoffk@cygnus.com>
382 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
383 (INIT_SECTION_ASM_OP): Delete.
384 (FINI_SECTION_ASM_OP): Delete.
385 (STARTFILE_SPEC): Define to hold just crtbegin.o.
387 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
389 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
390 the abstract origin wasn't emitted.
392 * dwarf2out.c (class_scope_p): New fn.
393 (gen_subprogram_die): Use it.
394 (gen_variable_die): Use it. Tweak logic.
395 (gen_struct_or_union_type_die): Check context_die to determine
396 if we're function-local.
397 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
399 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
401 * loop.c (check_dbra_loop): Can't reverse a biv that has
404 1999-12-14 Nick Clifton <nickc@cygnus.com>
406 * config/arm/arm.c: Add support for -mcpu=arm720 command line
409 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
411 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
412 for givs made from biv increments.
414 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
416 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
417 * alpha.c (override_options): Recognize -mcpu=ev67.
418 * alpha.h (CPP_CPU_EV67_SPEC): New.
419 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
420 (EXTRA_SPECS): Update.
422 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
424 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
425 appropriate for -lang-c89 and -std=*.
426 * cppinit.c (cpp_handle_option): Likewise.
427 (new_pending_define): New, split out from cpp_handle_option.
428 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
429 or enable trigraphs for -ansi/-std=*.
431 * ginclude/stdarg.h (__va_copy): New.
432 (va_copy): Don't define for C89.
434 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
436 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
437 for long long multiply-accumulate.
439 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
441 * regclass.c (scan_one_insn): Set loop_cost to 1 when
444 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
446 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
447 if something changed. Back out that part of yesterday's changes.
449 * loop.c (loop_max_reg): New static variable.
450 (loop_optimize): Initialize it. Eliminate one unnecessary call to
452 (scan_loop): Call reg_scan_update whenever we may have added new
453 registers, and update loop_max_reg.
455 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
457 * regclass.c (record_reg_classes): Do not do the copying preferrencing
458 when source does not die.
460 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
462 1999-12-14 Jakub Jelinek <jakub@redhat.com>
464 * config/sparc/linux64.h (TARGET_LIVE_G0,
465 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
467 * config/sparc/linux.h (TARGET_LIVE_G0,
468 TARGET_BROKEN_SAVERESTORE): Likewise.
469 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
470 TARGET_BROKEN_SAVERESTORE): Likewise.
472 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
473 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
475 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
476 as sparc64 block profiling register.
477 * config/sparc/sparc.c (sparc_override_options): Allow block
479 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
481 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
482 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
483 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
485 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
487 * config/sparc/sparc.h: Likewise.
488 * config/sparc/xm-sysv4-64.h: Likewise.
489 * config/float-sparc.h: Likewise.
490 * glimits.h: Likewise.
491 * longlong.h: Likewise.
493 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
494 (ASM_IDENTIFY_GCC): Remove.
496 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
498 * combine.c (combine_simplify_rtx): Don't make shared rtl.
499 (simplify_logical): Likewise.
501 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
503 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
504 * cppfiles.c (INO_T_EQ): Likewise.
506 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
508 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
509 * i386/mingw32.h (LIB_SPEC): Likewise.
510 (STARTFILE_SPEC): Likewise.
511 * i386/uwin.h (LIB_SPEC): Likewise.
512 (STARTFILE_SPEC): Likewise.
514 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
515 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
517 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
519 * combine.c (combine_simplify_rtx): Fix order of checks for
520 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
522 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
524 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
525 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
527 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
529 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
531 * regclass.c (inv_reg_alloc_order): New array.
532 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
534 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
535 counted_for_groups, counted_for_nongroups. Add fields rld and
537 * reload.c (push_secondary_reload): Don't set nongroup field of
539 (push_reload): Likewise.
540 (find_reloads): Delete code to compute nongroup fields.
541 * reload1.c (reload_insn_firstobj): New static variable.
542 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
544 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
545 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
546 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
548 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
550 (struct hard_reg_n_uses): Deleted.
551 (potential_reload_regs): Deleted.
552 (init_reload): Initialize spilled_pseudos and pseudos_counted.
553 (reload): Don't try to allocate reload registers if we already know
554 we have to make another pass. Call select_reload_regs. Free memory
555 starting with reload_firstobj when starting another pass.
556 Don't allocate spilled_pseudos.
557 (calculate_needs_all_insns): Call copy_reloads for an insn that
558 needs reloads; don't call calculate_needs.
559 (spill_cost): New static array.
560 (used_spill_regs_local): New static variable.
561 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
562 to compute potential_reload_regs.
563 (find_reload_regs): Completely rewritten to use find_reg.
564 (allocate_reload_reg): Don't test counted_for_groups or
565 counted_for_nongroups. Lose NOERROR arg and code to give an error;
567 (choose_reload_regs): Add fallback code that uses the existing
568 register allocation from find_reload_regs.
570 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
572 * flow.c (create_edge_list): Cast xmalloc return value.
574 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
576 * doprnt.c: Remove incorrect comment closure.
578 * cse.c: Fix a few minor whitespace goofs.
580 1999-12-13 Don Bowman <don@pixstream.com>
582 * mips/vxworks.h: Fix problem with comment termination.
583 (EXTRA_SECTIONS): Add in_sbss.
584 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
586 1999-12-12 David S. Miller <davem@redhat.com>
588 * cse.c (struct cse_reg_info): Add hash_next member,
589 reorder rest of struct for better packing on 64-bit
591 (cse_reg_info_tree): Kill.
592 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
593 REGHASH_FN): New custom pow2 hash mechanism.
595 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
596 use a pow2 hash table.
597 (get_cse_reg_info): Rework to use new REGHASH.
598 (new_basic_block): Likewise, use HASH_SIZE, and inline
600 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
601 and inline free_element call.
602 (lookup_as_function, insert, flush_hash_table, invalidate,
603 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
604 invalidate_for_call, use_related_value, find_comparison_args,
605 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
606 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
609 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
611 * cse.c (cse_basic_block): Free qty_table consistently.
613 1999-12-12 David S. Miller <davem@redhat.com>
614 Jakub Jelinek <jakub@redhat.com>
616 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
617 SUBREGs by hand, gen the appropriate hard reg directly.
618 (movtf reg/mem split): Likewise and alter_subreg on destination
620 (movtf mem/reg split): Similarly.
621 (movdf_cc_sp64): Rename from hidden pattern.
622 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
623 (movtf_cc_sp64, following split): New pattern and splitter.
624 (movdf_cc_reg_sp64): Rename from hidden pattern.
625 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
627 (movtf_cc_reg_sp64, following split): New pattern and splitter.
629 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
631 * loop.c (load_mems): Don't hoist written floating point mem
634 1999-12-12 Mark Mitchell <mark@codesourcery.com>
636 * except.h (struct eh_queue): Add `next' pointer.
637 (struct eh_status): Make x_ehqueue a pointer.
638 (push_ehqueue): Declare.
639 (pop_ehqueue): Likewise.
640 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
642 (expand_fixup_region_end): Likewise.
643 (expand_leftover_cleanups): Likewise.
644 (push_ehqueue): Define.
645 (pop_ehqueue): Likewise.
646 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
647 than doing it inline.
648 (expand_start_all_catch): Adjust now that ehqueue is a
650 (mark_eh_queue): Mark all level of the queue.
651 (mark_eh_status): Adjust now that ehqueue is a
653 (init_eh_for_function): Allocate ehqueue.
654 (free_eh_status): Free it.
655 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
656 expansion for a fixup.
658 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
660 * gthr-single.h (__gthread_active_p): Add prototype arguments.
662 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
663 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
664 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
665 function_ptr, getpagesize, __enable_execute_stack,
666 __enable_execute_stack, __clear_insn_cache,
667 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
668 _cleanup, _exit, __default_terminate, __terminate_func,
669 __terminate, __empty, __throw, new_eh_context,
670 eh_context_initialize, eh_context_static, eh_context_specific,
671 get_eh_context, __get_eh_context, __get_eh_info,
672 init_reg_size_table, eh_threads_initialize,
673 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
674 __unwinding_cleanup, throw_helper, __throw, __rethrow,
675 __pure_virtual): Add prototype arguments.
676 (__bb_exit_func): Cast a sizeof to long when comparing against one.
677 Cast a signed value to unsigned long when comparing against one.
678 (new_eh_context): Wrap in _GTHREADS macro.
679 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
681 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
682 (throw_helper): Initialize variables `handler_p' and `pc_p'.
684 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
686 * combine.c (record_promoted_value): Remove unused variable
689 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
691 * global.c (record_conflicts): Likewise for `j'.
693 * genoutput.c (output_insn_data): Don't unnecessarily cast away
696 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
698 * i386-protos.h (output_387_binary_op, output_fix_trunc,
699 output_fp_compare): Constify a char*.
701 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
703 (override_options, ix86_comp_type_attributes, print_operand,
704 output_387_binary_op, output_fix_trunc, output_fp_compare):
706 (ix86_sched_reorder): Mark parameter `clock_var' with
709 * i386.h (DEBUG_PRINT_REG): Constify a char*.
711 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
713 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
714 operand, for use in the Java front-end.
716 1999-12-10 Ben Collins <bcollins@debian.org>
718 * configure.in: Fix typo for "-64" in 64bit as check.
719 * configure: Rebuilt.
721 1999-12-10 Jakub Jelinek <jakub@redhat.com>
723 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
726 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
728 * c-parse.in (string): With -Wtraditional, warn if ANSI string
729 concatenation is utilized.
731 * invoke.texi (-Wtraditional): Document it.
733 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
735 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
736 Cast a ptrdiff_t to long and pass it to printf with %ld.
738 1999-12-10 Geoff Keating <geoffk@cygnus.com>
740 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
741 68881, we have no 68881 registers at all.
742 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
743 value in a 68881 register if it is available.
745 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
747 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
748 for long long multiply-accumulate.
750 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
752 * loop.c (insert_loop_mem): Undo last change.
754 1999-12-10 David S. Miller <davem@redhat.com>
756 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
758 * config/sparc/sparc-protos.h: Add them.
759 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
760 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
761 constraints which use those helpers.
762 (EXTRA_CONSTRAINT): Use this new macro.
763 * md.texi: Update sparc target constraints documentation.
764 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
765 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
766 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
767 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
768 (movsf high/lo_sum split): Rework for new patterns.
769 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
771 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
773 * c-common.c (c_common_nodes_and_builtins):
774 Create __builtin_ptrdiff_t and __builtin_size_t.
776 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
778 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
780 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
782 * regclass.c (globalize_reg): Re-instate test that allows
783 fixed registers to be declared as a variable even after functions
786 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
788 * i386.md (cpu attribute): Add "athlon".
789 (athlon_decode): New attribute.
790 (Athlon scheduling units definitions): New.
791 (fcmp and shld patterns): Set athlon_decode to "vector".
792 * i386.c (athlon_cost): New.
794 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
795 x86_use_sahf): Set for Athlon.
796 (x86_use_fiop): Unset for Athlon.
797 (override_options): Define Athlon alignments and "athlon" name.
798 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
799 * i386.h (TARGET_ATHLON): New.
800 (enum processor_type): Add PROCESSOR_ATHLON.
801 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
803 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
805 1999-12-09 Andreas Jaeger <aj@suse.de>
807 * loop.c (record_biv): Declare parameter as int.
809 * config/i386/i386-protos.h: Declare long_memory_operand.
811 1999-12-09 Mark Mitchell <mark@codesourcery.com>
813 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
814 EXPR_WITH_FILE_LOCATION.
816 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
818 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
821 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
823 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
826 1999-12-09 Jakub Jelinek <jakub@redhat.com>
828 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
829 default on linux64 again.
830 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
831 models for multilibing.
832 * genmultilib: Accept | as alternative separator within a set in
835 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
837 * calls.c (precompute_arguments): Make sure initial_value contains
838 value pseudo which CSE expects.
839 * cse.c (struct set): New entry orig_src.
840 (cse_insn): Set it early on entry, use it for libcall EQUIV note
843 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
845 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
847 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
849 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
851 1999-12-08 Jakub Jelinek <jakub@redhat.com>
853 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
854 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
856 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
859 * longlong.h: Merge in changes from glibc.
860 Also don't clobber %g2 register in 32bit SPARC assembly, so that
861 -mno-app-regs libgcc can be compiled.
862 * libgcc2.c: Add defines so that the updated longlong.h
863 can be used in libgcc2.a. Also, make sure on most architectures
864 (at least on all which have optimized code in longlong.h defined
865 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
867 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
869 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
870 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
871 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
873 * configure: Rebuilt.
875 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
877 * alpha.c (secondary_reload_class): For !BWX, sub-simode
878 outputs require a register.
880 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
882 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
883 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
884 functions like dptoul will be resolved.
885 (libgcc2.a): Make sure that the object files from DPBIT are named
886 differently (prefix `_dp') from those that would be coming from
889 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
891 * configure.in: When target is sparc* and tm_file contains 64,
892 test for 64bit support in assembler. If not supported, remove
893 sparc/t-sol2-64 from target-dependent Makefile fragments.
894 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
895 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
896 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
897 * acconfig.h (AS_SPARC64_FLAG): Added.
898 * configure, config.in: Rebuilt.
899 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
900 support. Use AS_SPARC64_FLAG.
902 1999-12-07 Jakub Jelinek <jakub@redhat.com>
904 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
905 suitable for holding OFmode values so that gcc works with complex
907 (hard_64bit_mode_classes): Likewise.
909 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
910 so that it is actually matched.
911 (sethi_di_medlow): Likewise.
913 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
914 as legitimate constant if -mvis.
915 * config/sparc/sparc.md (movtf): Likewise.
916 (clear_sf): Use const_double_operand.
917 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
919 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
920 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
921 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
922 routines, _Qp_* cannot be handled like that now.
923 (INIT_TARGET_OPTABS): Likewise.
924 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
925 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
926 sparc_emit_float_lib_cmp if ARCH64 and soft float.
927 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
928 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
929 divtf3, sqrttf3): New expanders.
930 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
931 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
932 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
935 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
936 * configure: Rebuilt.
937 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
938 -mcpu is given and we're doing 64bit compiles.
940 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
942 * loop.h (struct induction): Add multi_insn_incr.
943 * loop.c (basic_induction_var): New multi_insn_incr argument.
944 Set it if we search back through previous insns for the biv.
945 (record_biv): New multi_insn_incr argument; fill in struct induction.
946 (strength_reduce): Discard an iv with multiple bivs, any of
947 which require multiple insns to increment.
949 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
951 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
954 1999-12-06 David S. Miller <davem@redhat.com>
956 * combine.c (check_promoted_subreg): Do not conditionalize this upon
957 PROMOTE_FUNCTION_RETURN.
959 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
961 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
962 and handle REG_UNUSED note on insn.
964 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
965 inner_mask instead of mask.
967 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
969 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
970 zero if there was an error.
972 1999-12-06 Jakub Jelinek <jakub@redhat.com>
974 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
977 * longlong.h: Fix clobbers in SPARC asm statements.
979 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
980 valid sethi operations when TARGET_ARCH64.
982 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
983 always use move_by_pieces to avoid infinite recursion.
984 (restore_fixed_argument_area): Likewise.
986 * combine.c (check_promoted_subreg, record_promoted_value): New
988 (combine_instructions): Use them to retain nonzero and sign bit
989 information after SUBREGs are eliminated by optimizations in
990 this pass if PROMOTE_FUNCTION_RETURN.
992 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
993 .register declaration. Don't use variables with __ prefixes.
995 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
997 * fold-const.c (optimize_bit_field_compare): Only use one mode
998 for both RHS and LHS in non-constant case.
1000 1999-12-06 Nathan Sidwell <nathan@acm.org>
1002 * frame.c (start_fde_sort): Only allocate erratic array, if
1003 linear one was allocated. Return allocated flag.
1004 (fde_insert): Only insert, if there's a valid array.
1005 (fde_end_sort): Split, sort and merge if linear and erratic
1006 arrays exist, else just sort linear one.
1007 (search_fdes): New function. Linear search through original fde
1009 (frame_init): Permit multiple initializations. Cope with
1011 (find_fde): Fallback on linear search, if failed to sort array.
1012 (__deregister_frame_info): Only free sorted array, if we
1015 1999-12-06 Jakub Jelinek <jakub@redhat.com>
1017 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
1019 1999-12-05 Jakub Jelinek <jakub@redhat.com>
1021 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
1023 1999-12-05 Mark Mitchell <mark@codesourcery.com>
1025 * tree.h (special_function_p): Declare.
1026 * calls.c (special_function_p): Make it global. Don't take `name'
1027 as a parameter. Fix typo in 1999-11-28 change.
1028 (expand_cal): Adjust.
1030 1999-12-04 Mark Mitchell <mark@codesourcery.com>
1032 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
1033 * tree.h (EXPR_WFL_FILENAME): Define in terms of
1034 EXPR_WFL_FILENAME_NODE.
1035 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
1037 * print-tree.c (print_note): Print TREE_PRIVATE and
1040 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
1041 the original die cannot be found.
1043 * varray.h (varray_head_tag): Add elements_used.
1044 (VARRAY_PUSH): New macro.
1045 (VARRAY_POP): Likewise.
1046 (VARRAY_TOP): Likewise.
1047 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
1049 * varray.c (varray_init): Initialize elements_used.
1050 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
1051 (INTEGRATE_H): New variable.
1052 (integrate.o): Depend on INTEGRATE_H.
1053 (unroll.o): Likewise.
1055 * function.h (insert_block_after_note): Declare.
1056 * function.c (insert_block_after_note): Split out from ...
1057 (retrofit_block): ... here.
1059 * stmt.c (expand_fixup): Fix typo in comment.
1061 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1063 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
1064 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
1065 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
1066 (regmove_optimize, fixup_match_1): Likewise.
1068 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1070 * flow.c (flow_loops_dump): Add missing argument when calling
1073 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
1074 Greg McGary <gkm@gnu.org>
1076 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
1077 (init_attributes): Add A_NO_LIMIT_STACK.
1078 (decl_attributes): Handle A_NO_LIMIT_STACK.
1079 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
1080 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
1081 Handle stack bounds checking.
1082 * flags.h (flag_stack_check): Use the word 'probe' rather than
1083 'check', because the flag doesn't actually cause any checking to
1085 * function.c (expand_function_start): Set
1086 current_function_limit_stack.
1087 * function.h (struct function): Add limit_stack.
1088 (current_function_limit_stack): Define.
1089 * invoke.texi (Code Gen Options): Document new options.
1090 * rtl.h: Declare stack_limit_rtx.
1091 * toplev.c (stack_limit_rtx): New variable.
1092 (decode_f_option): Handle new options -fstack-limit-register=REG,
1093 -fstack-limit-symbol=IDENT, -fno-stack-limit.
1094 (main): Add stack_limit_rtx as GC root.
1095 * tree.h (DECL_NO_LIMIT_STACK): New macro.
1096 (struct tree_decl): New member no_limit_stack.
1098 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
1100 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
1101 (conditional_trap+1): Get new mnemonic correct.
1102 (conditional_trap+2): New pattern for DImode traps.
1104 * config/m68k/m68k.c (output_function_prologue): Handle
1106 * config/m68k/m68k.md (trap): New insn.
1107 (conditional_trap): New insn.
1108 * md.texi (Standard Names): Document `trap' and
1110 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
1111 so a cc0 setter doesn't get emitted at some random place in the
1114 * config/i960/i960.md (trap): New insn.
1115 (conditional_trap): New expander.
1116 (conditional_trap+1, conditional_trap+2): New insns for signed
1118 * config/i960/i960.c (i960_function_prologue): Use
1119 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
1121 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
1122 Geoffrey Keating <geoffk@cygnus.com>
1124 * flags.h (warn_padded, warn_packed): Add global var decls.
1125 * toplev.c (warn_padded, warn_packed): Add global var defns.
1126 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
1127 * stor-layout.c (layout_record): Add local variable `type'
1128 to hold often-used TREE_TYPE (field). Add local variable
1129 `unpacked_align' to hold alignment that would be in force
1130 if no `packed' attribute were present. Warn if `packed' attribute
1131 is unnecessary, or even harmful. Warn when gcc inserts padding
1132 to satisfy alignment requirements of members. Use NULL_TREE
1133 when checking whether var_size is set.
1134 * invoke.texi: Document new flags.
1136 1999-12-03 Nathan Sidwell <nathan@acm.org>
1138 * frame.c (fde_split): Reimplement to avoid variable sized array.
1140 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1142 * combine.c (try_combine): Before fixing up LOG_LINKS for the
1143 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
1145 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
1147 * invoke.texi: Document the mips option -mno-crt0
1149 1999-12-02 Mike Karr <mkarr@mathworks.com>
1151 * cccp.c (argdata): Added free_ptr member.
1152 (macroexpand): Initialize free_ptr of each argument. When an
1153 argument's buffers are freed, if the argument's free_ptr corresponds
1154 to a buffer on the input stack, then return the free_ptr to that stack
1155 frame, otherwise, free it.
1156 (macarg): If an argument begins and ends on the same input stack level,
1157 then transfer the free_ptr of that buffer to the argument in case
1158 the stack is popped during the processing of a subsequent argument.
1160 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
1162 * loop.c (note_reg_stored): New function.
1163 (struct note_reg_stored_arg): New structure.
1164 (try_copy_prop): Change to be more conservative; only replace within
1165 one extended basic block and stop replacing if a store to the
1166 replacement reg is seen.
1168 1999-12-02 Nick Clifton <nickc@cygnus.com>
1170 * config/fp-bit.c: Initialise all fields of the NAN
1173 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
1176 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
1178 * i386.md (extend?f?f2): Force the input into a register, not
1181 1999-12-01 Jakub Jelinek <jakub@redhat.com>
1183 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
1185 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
1186 alternative because setting up 64bit constant is usually costly,
1187 especially when reload is in progress or completed.
1188 (movdf_const_intreg_sp64): Likewise.
1189 (movdf_const_intreg split): Fix building up constants when
1190 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
1192 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
1194 * combine.c (if_then_else_cond): Use const_true_rtx instead of
1195 const1_rtx for return values in EQ/NE comparison against (const_int 0)
1198 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
1199 (asm_file_start): Emit .am33 into assembly file when compiling for
1201 (print_operand_address): Handle POST_INC addresses.
1202 (can_use_return_insn, initial_offset): Check AM33 registers too.
1203 (expand_prologue): Check & save AM33 registers too.
1204 (expand_epilogue): Similarly.
1205 (secondary_reload_class): Handle AM33 specific secondary reloads.
1206 (output_tst): Emit efficient code for the AM33 too.
1207 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
1208 (TARGET_SWITCHES): Add -mam33 switch.
1209 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
1210 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
1211 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
1212 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
1213 (enum reg_class, REG_CLASS_NAMES): Likewise.
1214 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
1215 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
1216 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
1217 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
1218 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
1219 (HAVE_POST_INCREMENT): Define.
1220 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
1221 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
1222 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
1223 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
1224 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
1225 (zero_extend to SI from QI/HI): Likewise.
1226 (sign_extend to SI from QI/HI): Likewise.
1227 (mulsidi3, umulsidi3): New patterns for the AM33.
1228 (tstsi with zero extension from QI/HI): Add AM33 variants.
1229 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
1230 (return_internal_regs, store_movm): Handle new AM33 registers.
1231 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
1232 (LIBGCC, INSTALL_LIBGCC): Likewise.
1233 * invoke.texi: Document new flags.
1235 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1237 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
1238 (addsi3_carry): Likewise.
1239 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
1240 (sbbsi3_carry): Likewise.
1241 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
1243 (test?i_1): Ensure that only one operand is memory.
1244 (conditional move patterns): likewise.
1245 (shift and rotate patterns): Rewrite to expander, add
1246 "binary_operator_ok" to the condition.
1248 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
1249 * i386.h (procesor_costs): Add movzbl_load field.
1250 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
1251 non-Q registers, accept DImode registers anywhere.
1253 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
1254 * i386.c (*_cost): Set value for movxbl_load field.
1256 * (addsi): New add to lea splitter.
1258 (lea to add/shift peep2): New.
1260 1999-12-01 Mark Salter <msalter@cygnus.com>
1262 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
1263 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
1264 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
1266 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1268 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
1269 * i386.md (movsi_xor): New.
1271 (movsi_1, movhi_1, movqi_1): Remove.
1272 (movsi_2): Rename to movsi_1.
1273 (movhi_2): Rename to movhi_1.
1274 (movqi_2): Rename to movqi_1.
1275 (movdi_1): Remove; remove splitter.
1276 (movdi_2): Rename to movdi_1.
1277 (divmodsi4 splitter): Do not emit clobbers for move patterns.
1278 (long move peep2): Do not create QI or HI mode mov0s
1279 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
1281 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
1284 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
1285 (abs?f2_if): Likewise.
1287 1999-11-30 Alex Samuel <samuel@codesourcery.com>
1289 * ggc.h (ggc_test_and_set_mark): New macro.
1290 (ggc_mark_rtx): Use ggc_test_and_set_mark.
1291 (ggc_mark_tree): Likewise.
1292 (ggc_mark_rtvec): Likewise.
1293 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
1295 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
1297 * dwarf2out.c (scope_die_for): Only handle types. Only search for
1299 (decl_scope_table): Just an array of trees now.
1300 (push_decl_scope): Simplify.
1301 (dwarf2out_init): Adjust.
1302 (local_scope_p): New fn.
1303 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
1304 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
1305 (gen_typedef_die): Likewise.
1306 (gen_lexical_block_die): Don't call push/pop_decl_scope.
1307 (gen_inlined_subroutine_die): Likewise.
1308 (gen_abstract_function): Set current_function_decl temporarily.
1309 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
1310 Handle block extern declarations. Don't call push/pop_decl_scope.
1311 (gen_decl_die): Fix logic for block externs.
1313 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1315 * calls.c (special_function_p): Remove `realloc' and add `strdup'
1316 to the list of functions which have attribute malloc by default.
1318 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1320 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
1321 integer constant does not match the traditional type, limit the
1322 warnings to cases where the base of the type is ten.
1324 * invoke.texi (-Wtraditional): Document it.
1326 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1328 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
1329 * rs6000.md: Only access a CONST_INT with INTVAL
1331 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
1333 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
1334 (compute_nearerout): Likewise.
1335 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
1336 size_t to unsigned long for formatting.
1338 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1340 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
1341 Allow the user to override call-used/fixed state of %g2-5
1342 registers from the command line (with the exception of %g4 for
1344 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
1345 there is a higher chance of having a leaf function.
1346 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
1347 for ARCH64 which has %ccr register.
1348 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
1350 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
1351 insn accept into delay slot any insn which does not use %[ol]
1352 registers. Accept some LO_SUM and shift left by 1 for the normal
1354 (output_function_epilogue): Likewise.
1355 (epilogue_renumber): Added argument which inhibits any renumbering
1356 and just tests if the rtx does not use any %[ol] registers.
1357 (output_return): Reflect above change.
1359 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1361 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
1362 aggregate passing for sizes <= 16 bytes.
1364 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
1366 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
1367 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
1368 * reload.c (find_dummy_reload): Likewise.
1369 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
1370 * reload1.c (reload_as_needed): Likewise.
1371 * stupid.c (stupid_find_reg): Likewise.
1372 * tm.texi (Obsolete Register Macros): Delete section.
1373 * gmicro.h: Remove all traces of the two macros.
1378 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
1380 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
1381 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
1382 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
1383 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
1384 units for the sparclite86x chip.
1385 (flush): Revert October 14th change; add SImode specifically.
1386 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
1387 * invoke.texi: Document it.
1389 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
1391 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
1392 psimode_truncation_operand.
1394 * config/mn10200/mn10200.c (psimode_truncation_operand): New
1395 function. Return true if the operand is either a MEM valid
1396 for a PSImode address or not a MEM at all.
1398 * config/mn10200/mn10200.md (truncsipsi2): Use
1399 psimode_truncation_operand.
1401 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1403 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
1404 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
1405 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
1406 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
1407 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
1408 (flow_loop_level_compute, low_loops_level_compute): Likewise.
1409 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
1410 * basic-block.h: Protect from multiple inclusion.
1411 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
1412 (struct loops, struct loop): Define structures.
1413 * sbitmap.c (sbitmap_a_subset_b_p): New function.
1414 * sbitmap.h: Protect from multiple inclusion.
1415 (sbitmap_a_subset_b_p): Add prototype.
1416 * Makefile.in (LOOP_H): New macro.
1417 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
1419 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
1421 * cppinit.c (CAT): The argument list of this macro may not contain
1424 1999-11-29 David S. Miller <davem@redhat.com>
1426 Move quantity tables and register equivalence chains into
1427 per-qty and per-register structure arrays respectively.
1428 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
1429 qty_const_insn, qty_comparison_code, qty_comparison_const,
1430 qty_comparison_qty): Delete, replace with...
1431 (qty_table): this structure table.
1432 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
1433 (reg_eqv_table): this structure table.
1434 (make_new_qty): Add argument MODE. Caller updated.
1435 Update to use qty_table and reg_eqv_table.
1436 (make_regs_eqv, delete_reg_equiv, insert_regs,
1437 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
1438 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
1439 cse_process_notes, cse_main, cse_basic_block): Likewise.
1441 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1443 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
1444 operation if C is negative.
1445 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
1446 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
1447 law for some divisions if constant is negative and change other
1448 divisions to the opposite rounding.
1450 * expr.c (store_constructor_field): If bit position is not multiple
1451 of alignment of TARGET's mode, use BLKmode.
1453 * expr.c (expand_expr_unaligned): Add more code from full case
1454 that is needed when OP0 is in a register.
1456 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1458 * dwarfout.c (field_byte_offset): Size can be zero if there was
1461 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1463 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
1464 (associate_trees): Delete unused var TEM.
1465 (extract_muldiv): Delete unused var CANCEL_P.
1467 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
1468 (target_isinf, target_isnan, target_negative): Add return types to
1469 function definitions.
1471 1999-11-29 Bruce Korb <autogen@linuxbox.com>
1473 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
1474 * fixinc/hackshell.tpl: ditto
1475 * fixinc/fixtests.c(double_slash_test): more C++ header testing
1476 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
1478 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1480 * reload.c (push_reload): When looking for a register to put into
1481 reg_rtx, make sure all hard regs in a multi-reg register are in the
1482 right class and nonfixed.
1484 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
1485 pending_read_insns, pending_write_insns, pending_read_mems,
1486 pending_write_mems, pending_list_length, last_pending_memory_flush,
1487 last_function_call, sched_before_next_call): Move static variables
1489 (bb_ prefixed versions): Replace with single array bb_deps.
1490 (struct deps): New structure.
1491 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
1492 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
1493 argument of type "struct deps *"; use that instead of global
1494 variables. All callers changed.
1495 (init_rgn_data_dependencies): Delete function.
1496 (init_rtx_vector): Delete function.
1497 (init_deps): New function.
1499 (free_pending_lists): Simplify, we always use the bb_deps array even
1500 if only one basic block.
1501 (compute_block_backward_dependences): Likewise.
1502 (schedule_region): Likewise.
1504 (propagate_deps): New function, broken out of
1505 compute_block_backward_dependences.
1506 (compute_block_backward_dependences): Use it.
1508 * alpha.md: Delete useless patterns that tried to work around
1509 register elimination problems.
1511 * unroll.c (loop_iterations): Don't abort if iteration variable
1514 From Joern Rennecke:
1515 * reload1.c (reloads_conflict): Reverse test comparing operand
1516 numbers when testing for conflict between output/outaddr reloads.
1518 1999-11-29 David S. Miller <davem@redhat.com>
1520 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
1522 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
1524 1999-11-28 Robert Lipe <robertl@cygnus.com>
1526 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
1527 table from .fini into .dtor.
1529 1999-11-28 Anthony Green <green@cygnus.com>
1531 * tree.h (struct tree_decl): Add malloc_flag.
1532 (DECL_IS_MALLOC): Define.
1533 * c-common.c (attrs): Add A_MALLOC attribute.
1534 (init_attributes): Add this attribute to the table.
1535 (decl_attributes): Handle malloc attribute.
1536 * calls.c (special_function_p): Check for the malloc attribute.
1537 * extend.texi (Function Attributes): Document malloc attribute.
1539 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
1541 * pa.md (reload shift-add patterns): Remove.
1543 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1545 * reorg.c (dbr_schedule) Print more statistics. Corrected
1546 problem when printing info when 3 delay slots are filled.
1548 1999-11-28 Jakub Jelinek <jakub@redhat.com>
1550 * combine.c (setup_incoming_promotions): Pass an outgoing
1551 regno to FUNCTION_ARG_REGNO_P which it expects.
1553 1999-11-28 Andreas Jaeger <aj@suse.de>
1555 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
1557 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
1559 * cccp.c (do_include): Avoid initialization of automatic variable.
1561 * integrate.c (mark_stores): Function definition made void, to match
1562 previous declaration.
1563 * regclass.c (dump_regclass): Ditto.
1564 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
1566 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1568 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
1569 known to be multiple of divisor.
1571 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
1573 * combine.c (try_combine): Add code to try to merge a set of a
1574 two-word pseudo to a constant with a setting of one of those words
1577 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
1578 (split_tree): Completely rework to make more general.
1579 (make_range, fold): Call negate_expr.
1580 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
1581 (fold, associate): Call new split_tree and associate_trees.
1582 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
1584 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
1586 * loop.c (try_copy_prop): Avoid GNU C extension.
1588 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1590 * except.c (init_eh_for_function): Still zero eh_return_context,
1591 eh_return_stack_adjust, and eh_return_handler.
1593 * except.h (eh_status): Adjust documentation for x_protect_list.
1594 (begin_protect_partials): New function.
1595 * except.c (enqueue_eh_entry): Fix formatting.
1596 (get_first_handler): Add consistency check.
1597 (add_partial_entry): Adjust usage of protect_list.
1598 (emit_cleanup_handler): Save and restore ehqueue.
1599 (expand_start_all_catch): Add comment.
1600 (begin_protect_partials): New function.
1601 (end_protect_partials): Adjust usage of protect_list.
1602 (init_eh_for_function): Use xcalloc.
1604 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1606 * c-common.c (check_format_info): Don't call a variadic function
1607 with a non-literal format string.
1609 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
1611 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
1612 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
1615 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
1618 * collect2.c (collect_wait): Likewise.
1620 * dbxout.c (dbxout_type): Likewise.
1622 * gcc.c (do_spec_1): Likewise.
1624 * genemit.c (gen_insn, gen_expand): Likewise.
1626 * genrecog.c (write_switch, write_subroutine): Likewise.
1628 * mips-tfile.c (catch_signal, botch): Likewise.
1630 * print-rtl.c (print_rtx): Likewise.
1632 * toplev.c (default_print_error_function, report_error_function,
1633 _fatal_insn): Likewise.
1635 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1637 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
1639 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1641 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
1642 operations when needed.
1643 * i386.md (fop_?f_comm): New.
1644 (fop_?f_1): Do not accept commutative operands.
1646 1999-11-25 Andreas Jaeger <aj@suse.de>
1648 * config/mips/mips.md (casesi_internal): Add missing brace.
1650 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
1652 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
1653 (splice_child_die): Handle moving a child DIE from the declaration
1654 DIE of a class to its specification.
1655 (gen_struct_or_union_type_die): Use 'complete' consistently.
1656 (gen_decl_die): Generate the virtual context DIE first.
1657 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
1659 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
1661 * config/mips/mips.md (call_value_multiple_interanal1): New.
1663 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
1665 * dwarf2out.c (free_AT, free_die): New fns.
1666 (remove_children): Call them.
1667 (output_line_info): Disable removal of duplicate notes.
1669 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
1670 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
1671 means pretend the type isn't defined.
1672 Don't defer emitting types.
1673 (gen_type_die_for_member): New fn.
1674 (gen_decl_die): Call it.
1675 (splice_child_die): New fn.
1676 (gen_member_die): Call it rather than generate duplicate dies.
1678 Defer emitting information for the abstract instance of an inline
1679 until we either inline it or emit an out-of-line copy.
1680 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
1681 from output_inline_function if DECL_ABSTRACT is also set.
1682 (block_ultimate_origin): Likewise.
1683 (gen_abstract_function): New fn.
1684 (gen_decl_die, gen_inlined_subroutine_die): Call it.
1685 (gen_subprogram_die): An abstract instance is not a declaration
1686 just because it doesn't match current_function_decl. Don't abort
1687 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
1688 has an abstract origin.
1689 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
1690 abstract instance here.
1692 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
1694 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
1695 where we need to reload fpul from a system register.
1697 1999-11-24 Andreas Jaeger <aj@suse.de>
1699 * config/mips/linux.h (CPP_PREDEFINES): Added.
1700 (LINK_SPEC): Remove -Y since this is only needed on sparc.
1702 1999-11-24 Andreas Jaeger <aj@suse.de>
1704 * config/mips/linux.h (TARGET_VERSION): Added.
1705 (HANDLE_SYSV_PRAGMA): Added.
1706 (DEFAULT_VTABLE_THUNKS): Added.
1708 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1710 * local-alloc.c (qty): New structure and static variable.
1711 (qty_phys_reg): Remove, all references changed to qty.
1712 (qty_n_refs): Likewise.
1713 (qty_min_class): Likewise.
1714 (qty_birth): Likewise.
1715 (qty_death): Likewise.
1716 (qty_size): Likewise.
1717 (qty_mode): Likewise.
1718 (qty_n_calls_crossed): Likewise.
1719 (qty_alternate_class): Likewise.
1720 (qty_changes_size): Likewise.
1721 (qty_first_reg): Likewise.
1722 (alloc_qty): Rename variable QTY to QTYNO.
1723 (finf_free_reg): Likewise.
1724 (local_alloc): Allocate qty, do not allocate the removed variables.
1726 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
1728 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
1729 when -membedded-pic is passed.
1731 * config/mips/mips.md (casesi): Handle 64-bit case too.
1732 (casesi_internal_di): New insn.
1734 * config/mips/mips.c (embedded_pic_offset): Always make the
1735 embedded-pic subtractions relative to the name of the current
1736 function by use of the magic string "..CURRENT_FUNCTION".
1737 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
1739 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
1741 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
1742 of (const_int 0), when what we really care about is
1743 whether it's a zero constant anyway.
1744 (div_trap_mips16): Likewise.
1746 1999-11-23 Mark Mitchell <mark@codesourcery.com>
1748 * loop.c (loop_optimize): Always find_loop_tree_blocks and
1749 unroll_block_trees when generating debuggable code.
1751 * tree.h (unsave_expr_1): New function.
1752 (lang_unsave): New variable.
1753 (get_callee_fndecl): New function.
1754 * tree.c (unsave_expr_now_r): New function.
1755 (lang_unsave): Define.
1756 (unsave_expr_1): Likewise.
1757 (unsave_expr_now_r): Split out from unsave_expr_now.
1758 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
1759 call unsave_expr_now_r.
1760 (get_callee_fndecl): Define.
1762 * Makefile.in (gencheck): Don't depend on lang_tree_files.
1763 (gencheck.o): Do depend on lang_tree_files.
1765 * integrate.h (copy_decl_for_inlining): New declaration.
1766 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
1767 (copy_decl_for_inlining): New function.
1768 (integrate_parm_decls): Use it.
1769 (integrate_decl_tree): Likewise.
1771 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
1773 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
1774 the second two from the first.
1775 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
1776 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
1777 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1779 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
1780 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
1783 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
1785 * pa.md (call_internal_symref, call_value_internal_symref): No mode
1786 needed on the address operand.
1787 * pa.c (call_operand_address): Check for the correct mode.
1789 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
1791 * loop.c: Include "basic-block.h".
1792 (try_copy_prop, replace_loop_reg): New functions.
1793 (load_mems): Detect registers that just hold copies of the hoisted
1794 mem, and call try_copy_prop to eliminate them.
1795 * Makefile.in (loop.o): Update dependencies.
1797 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
1799 * Makefile.in (gencheck.o): Depend on gencheck.h.
1800 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
1801 (insn-peep.o): Depend on except.h and function.h.
1802 (insn-attrtab.o): Depend on RECOG_H.
1803 (insn-output.o): Depend on toplev.h and flags.h.
1804 (gengenrtl.o): Depend on real.h.
1805 (gen-protos.o): Depend on cpplib.h and cpphash.h.
1806 Unify all dependencies to be on RECOG_H rather than recog.h.
1808 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1810 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
1811 * configure.in: Try building a bi-arch 32/64-bit compiler on
1812 sparc-*-solaris2.7 and higher.
1813 * configure: Rebuild.
1815 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
1817 * config/freebsd.h: New, FreeBSD architecture independent file.
1818 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
1820 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
1821 directly by i386/freebsd.h.
1822 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
1823 independent configuration file.
1824 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
1825 directly by i386/freebsd.h.
1826 * configure: Rebuilt.
1828 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
1829 which is in the user's namespace.
1830 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
1831 `i386' which is not in our namespace.
1833 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
1835 * invoke.texi (ARM Options): Add in -mno-alignment-traps
1837 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1839 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
1840 (add_dwarf_attr, add_child_die): Just push onto the front.
1841 (reverse_die_lists): New fn.
1842 (add_sibling_attributes): Use it.
1843 (push_decl_scope): Reorganize.
1844 (add_name_and_src_coords_attributes): Don't set file and line for
1846 (gen_subprogram_die): An artificial function doesn't need to match
1848 (gen_compile_unit_die): Return the generated die. Only add
1849 AT_comp_dir if the filename is relative.
1850 (remove_AT): Simplify loop. Also free string values.
1851 (output_die): A DIE ref can't be null.
1852 (output_value_format, value_format): Take a dw_attr_ref.
1853 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
1854 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1855 AT_addr, AT_lbl): New fns.
1856 (various): Use them.
1857 (various): Constify.
1859 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1861 * combine.c (combine_simplify_rtx): When handling a SUBREG,
1862 take SUBREG_WORD into account.
1863 (if_then_else_cond): Likewise.
1865 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
1867 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
1868 clause from BSD license, pursuant with
1870 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
1872 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
1874 * loop.c (load_mems): Reformat slightly.
1875 * basic-block.h (regset_head): New typedef.
1876 (INIT_REG_SET): New macro.
1878 1999-11-22 Bruce Korb <autogen@linuxbox.com
1880 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
1881 (mips-dec-bsd*): non-functional code
1882 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
1884 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
1885 added three replacement fixes
1886 (no_double_slash): removed comments that are not (any longer) pertinent
1887 (bad_lval): this fix currently runs against many files.
1888 The comment seems to indicate that we should select for files
1889 containing 'pragma extern_prefix'.
1891 * fixinc/fixinc.x86-linux-gnu: deleted
1892 * fixinc/inclhack.sh: regen
1893 * fixinc/fixincl.x: regen
1894 * fixinc/fixincl.sh: regen
1896 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
1898 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
1899 its code is INSN and it has no notes.
1901 1999-11-22 Andrew Haley <aph@cygnus.com>
1903 * varasm.c (function_defined): Remove.
1904 (make_function_rtl): Don't set function_defined.
1905 (make_decl_rtl): Remove global register warning.
1906 * regclass.c (no_global_reg_vars): New variable.
1907 (globalize_reg): Warn if function has already been defined.
1908 (regclass_init): Set no_global_reg_vars.
1910 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1912 * regclass.c (reg_pref): New structure and static variable
1913 (prefclass): Delete.
1915 (all uses of prefclass and altclass): Use reg_pref instead.
1917 1999-11-21 Nick Clifton <nickc@cygnus.com>
1919 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
1921 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
1922 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1923 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
1925 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
1927 * varasm.c (output_constructor): Solve problem with long long
1928 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
1930 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1932 * global.c (allocno): New structure and static variable.
1933 (allocno_reg): Remove, all references replaced by allocno.
1934 (allocno_size): Likewise.
1935 (hard_reg_conflicts): Likewise.
1936 (hard_reg_preferences): Likewise.
1937 (hard_reg_copy_preferences): Likewise.
1938 (hard_reg_full_preferences): Likewise.
1939 (regs_someone_prefers): Likewise.
1940 (allocno_calls_crossed): Likewise.
1941 (allocno_n_refs): Likewise.
1942 (allocno_live_length): Likewise.
1943 (find_reg): Rename ALLOCNO to NUM.
1945 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
1947 (may_move_out_cost): New variable.
1948 (init_reg_sets_1): Initialize may_move_out_cost.
1949 (record_reg_classes): Use may_move_out_cost.
1951 * regclass.c (dump_regclass): New function.
1952 (regclass): New parameter DUMP, call DUMP_REGCLASS.
1953 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
1954 pass rtl_dump_file to regclass.
1955 * rtl.h (regclass): Update prototype.
1957 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1959 * i386.md (neg, not and abs patterns): Revmap to use
1960 ix86_expand_unary_operator and ix86_unary_operator_ok.
1961 (add?f and sub?f expanders): Force operand 1 to register.
1962 * i386.c (ix86_expand_unary_operator): Rewrite.
1963 (ix86_unary_operator_ok): Ensure that memory operands
1965 (ix86_binary_operator_ok): Do not allow operand 1 to
1966 come into memory and operand 0 not.
1967 (ix86_expand_binary_operator): Ensure that
1968 src1 is not non-matching memory.
1970 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
1971 to support integer registers and memory.
1972 (abss?2_integer): Likewise.
1974 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
1975 (REG_CLASS_NAMES): Likewise.
1976 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
1978 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
1979 (movsf): Likewise; unify 4th and 5th alternative.
1981 (movdf_1): Likewise; rename to movdf_integer.
1982 (pushxf): Likewise; rename to pushxf_integer; fix output template;
1983 remove redundant splitter.
1984 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
1985 (movdf_nointeger): New.
1986 (movxf_nointeger): New.
1987 (pushxf_nointeger): New.
1989 * i386.md (extend?f?f): Split to expander and pattern, refuse two
1990 memory operands in patterns.
1991 (fop*): Refuse two memory operands.
1993 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
1994 on !TARGET_USE_CLTD CPUs.
1996 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
1998 * extend.texi: Document C++ restricted pointers and references.
2000 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
2002 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
2003 (invalidate_skipped_set): Call it unconditionally.
2004 (cse_set_around_loop): Likewise.
2006 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2008 * rtl.texi (mem): Add documentation for alias-set argument
2011 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2013 * i386.h (struct_processor_costs): New fields int_load, int_store,
2014 fp_move, fp_load and fp_store
2015 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
2017 (MEMORY_MOVE_COST): New macro.
2018 * i386.c (386_cost): Define new fields.
2019 (i486_cost): Likewise.
2020 (pentium_cost): Likewise.
2021 (pentiumpro_cost): Likewise.
2022 (k6_cost): Likewise.
2024 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
2025 Geoffrey Keating <geoffk@cygnus.com>
2027 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
2029 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
2032 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
2033 (TARGET_STRICT_ALIGNMENT): New macro.
2034 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
2035 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
2036 * invoke.texi (M680x0 Options): Document -mstrict-align.
2038 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
2039 Richard Henderson <rth@cygnus.com>
2041 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
2042 (ix86_split_long_move): Declare.
2043 * i386.c (split_xf, ix86_split_movdi): Remove.
2044 (ix86_split_to_parts, ix86_split_long_move): New.
2045 * i386.md (dimode move splitters): Use ix86_split_long_move.
2046 (dfmode move splitters): Likewise.
2047 (xfmode move splitters): Likewise.
2048 (movsf_1): Allow F->r.
2049 (movdf_1, movxf_1): Allow F->ro.
2051 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2053 * except.h (struct eh_entry): Add goto_entry_p.
2054 (eh_region_from_symbol): Remove prototype.
2055 * except.c (find_func_region_from_symbol): New function.
2056 (emit_cleanup_handler): Likewise.
2057 (eh_region_from_symbol): Make it static.
2058 (add_new_handler): Verify the argument.
2059 (find_func_region): Update comment.
2060 (expand_eh_region_end): Expand handlers here, rater than waiting
2061 until expand_leftover_cleanups or start_all_catch.
2062 (expand_leftover_cleanups): Don't expand here.
2063 (expand_start_all_catch): Or here.
2064 (expand_rethrow): Check the return value from find_func_region.
2065 * function.c (expand_function_end): Emit the catch_clauses.
2067 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
2069 * integrate.c (expand_inline_function): Add necessary check for NULL.
2071 1999-11-18 Nick Clifton <nickc@cygnus.com>
2073 * toplev.c (main): Correctly detect an unrecognised option.
2075 * cppinit.c (cpp_handle_option): Do not claim to have consumed
2076 a -f option if it has not been recognised.
2078 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
2080 * basic-block.h (update_life_extent): Remove trailing comma on
2081 enumeration type list.
2083 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2085 * varasm.c (output_constructor) Solved problem with long long
2086 bitfields. Corrected calculating this_time and shift. Also
2087 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
2089 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
2091 * flow.c (split_edge): Take looping structure into account when
2092 determining where to put the new block note.
2094 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
2096 * Makefile.in (ggc-none.o): Provide host specific version if
2099 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
2101 * cse.c (delete_trivially_dead_insns): Identify no-op insns
2102 containing subregs too.
2104 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2106 * invoke.texi: Add documentation for -muninit-const-in-rodata.
2107 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
2108 (TARGET_UNINIT_CONST_IN_RODATA): Define.
2109 (text_section): Add switches -munint-const-in-rodata and
2110 -mno-uninit-const-in-rodata.
2111 (ASM_OUTPUT_COMMON): Remove.
2112 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
2113 const objects should be placed in read-only data. Otherwise declare
2116 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
2118 * jump.c (jump_optimize_1): Revert last change.
2120 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
2122 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
2123 test if optimizing for size.
2125 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2127 * Makefile.in (toplev.o): Depend on except.h.
2128 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
2130 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2132 * i386.md (divmodsi4): Rewrite to expander.
2133 (*divmodsi4_nocltd): New.
2134 (*divmodsi4_cltd): New.
2135 (divmodsi4 splitter): Handle the case when input comes in edx.
2136 (udivmodhi4): Do not use constraints in exander.
2137 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
2139 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
2141 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
2142 for the common case.
2144 1999-11-16 Jakub Jelinek <jakub@redhat.com>
2146 * explow.c (hard_function_value): Add outgoing argument.
2147 * expr.h (hard_function_value): Declare it.
2148 * calls.c (expand_call, emit_library_call_value): Update callers.
2149 * function.c (aggregate_value_p): Ditto.
2150 (diddle_return_value): Must look at the outgoing registers
2151 on archs with register windows.
2153 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
2155 * alpha.c (alpha_build_va_list): Use make_lang_type and
2156 initialize TYPE_NAME for the va_list record.
2158 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
2160 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
2162 * ggc.h (struct ggc_statistics): Rearrange elements for better
2163 packing on 64-bit hosts.
2164 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
2165 (compute_nearerout): Likewise.
2167 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
2169 * config/rs6000/rs6000.c (first_reg_to_save): Save
2170 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
2172 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
2174 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
2175 notion of nesting to find the DIE for a type or function.
2176 DIEs can go in limbo even if we got a context_die.
2177 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
2178 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
2180 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
2181 (gen_type_die): Writing out the context doesn't cause member class
2182 template instantiations to be written out as well.
2184 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
2186 * rs6000.h (ASM_OUTPUT_DEF): New.
2187 Based on proposed addition from David Edelsohn.
2189 1999-11-15 Robert Lipe <RobertLipe@usa.net>
2190 Bruce Korb <autogen@linuxbox.com>
2192 * fixinc/inclhack.def
2193 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
2194 (unixware7_byteorder_fix): added. Removes conflicts for new defs
2196 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
2197 (svr4_endian): enabled with SVR5
2198 (svr4_mkdev): simplified syntax and enabled with SVR5
2200 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
2202 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
2203 * configure: Rebuilt.
2204 * config/t-freebsd-thread: New file.
2206 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
2208 * i386.c (ix86_decompose_address): Verify the base is a REG
2209 before trying to examine its register number.
2211 * basic-block.h: Remove all #defines and prototypes related to
2213 (free_bb_mem, compute_preds_succs): Remove prototype.
2214 * rtl.h (free_bb_mem): Remove prototype.
2215 * flow.c (alloc_int_list_node); Remove function.
2216 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
2217 (compute_preds_succs, free_bb_mem): Likewise.
2218 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
2219 * toplev.c (rest_of_compilation): Likewise.
2220 * haifa-sched.c (build_control_flow): Use flow generated edge
2221 list to build the haifa specific edge list.
2222 (find_rgns): Use new CFG data structures instead of pred/succ lists.
2223 (schedule_insns): Do not build pred/succ lists anymore. Instead
2224 build the edge table.
2226 * basic-block.h (dump_bb_data): Remove declaration.
2227 * flow.c (dump_bb_data): Remove function.
2228 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
2229 (sbitmap_union_of_predsucc): Likewise.
2231 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
2232 argument. All callers changed.
2233 (delete_null_pointer_checks_1): No longer need to compute the
2236 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
2237 All callers changed.
2238 (pre_expr_reaches_here_p_work): Likewise.
2239 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
2240 * lcm.c (compute_laterin): Fix initialization of LATER.
2241 (compute_nearerout): Similarly for NEARER.
2243 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2245 * cse.c (set_nonvarying_address_components): Delete unused function.
2246 (refers_to_p): Likewise.
2248 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
2250 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
2253 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2255 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
2256 definition in do while (0).
2258 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
2260 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
2262 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
2264 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
2266 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
2268 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
2269 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
2270 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
2271 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
2273 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
2274 saved on the stack. Output more accurate stack frame statistics
2275 into assembler file.
2277 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
2279 * genextract.c (record_insn_name): New function.
2280 (get_insn_name): No longer a stub.
2281 (main): Call record_insn_name for each insn. After each label
2282 written, print the insn name in a comment.
2284 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2286 * output.h (const_section, init_section, fini_section): Add
2289 * alpha/elf.h (const_section): Delete declaration.
2291 * svr4.h (const_section): Likewise.
2293 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
2295 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
2296 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
2297 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
2299 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
2300 variable-sized array bounds.
2302 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
2304 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
2307 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2309 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
2310 addresses the same way GO_IF_LEGITIMATE_INDEX does.
2312 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2314 * cse.c (hash_arg_in_struct): Delete.
2315 (struct table_elt): Delete elt in_struct.
2316 (struct set): Delete elt src_in_struct.
2317 (merge_equiv_classes): Don't set either hash_arg_in_struct or
2318 the corresponding in_struct elts.
2319 (canon_hash): Likewise.
2320 (safe_hash): Likewise.
2321 (find_best_addr): Likewise.
2322 (record_jump_cond): Likewise.
2323 (cse_insn): Likewise.
2325 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
2327 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
2329 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
2332 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
2334 * function.c (diddle_return_value): Put back check that the DECL_RTL
2335 for the function is a register.
2337 * function.c (diddle_return_value): Use hard_function_value to
2338 get an rtx suitable for use in the USE/CLOBBER insn.
2340 * global.c (global_conflicts): Update comments.
2341 (record_conflicts): No need to record conflicts between pseudos here.
2343 1999-11-11 Bruce Korb <autogen@linuxbox.com>
2345 * fixinc/fixincl.c: Added verbose levels for status messages
2347 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2349 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
2350 operand as argument to expand_and or expand_binop.
2352 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
2354 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
2355 gcc_add_string_root.
2357 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
2359 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
2361 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
2363 * flow.c (compute_flow_dominators): Initially put all blocks on
2365 * lcm.c (compute_antinout_edge, compute_available): Similarly.
2366 * gcse.c (compute_cprop_avinout): Remove.
2367 (compute_cprop_data): Use compute_available.
2368 (delete_null_pointer_checks_1): Use compute_available.
2370 * basic-block.h (compute_available): Returns a void now.
2371 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
2372 to return a value anymore.
2373 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
2374 worklists. Fix boundary cases. Compute maximal solutions.
2375 (compute_laterin, compute_nearerout): Similarly.
2377 * dwarf2out.c (add_AT_location_description): Allow
2378 (mem (plus (pseudo) (...)) too.
2380 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
2382 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
2384 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
2385 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2387 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
2389 * gansidecl.h: Likewise.
2395 * toplev.h: Likewise.
2401 * varray.c: Likewise.
2403 * varray.h: Likewise.
2405 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
2407 * gcov.c (struct arcdata): Add hits and total, remove prob.
2408 (output_branch_counts): New.
2409 (process_args): Set output_branch_counts if -c.
2410 (calculate_branch_probs): Store hits and total instead of
2412 (output_data): Emit counts if output_branch_counts is true.
2413 * gcov.texi (Invoking Gcov): Document -c switch..
2415 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
2417 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
2418 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
2420 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
2422 * invoke.texi (C Dialect Options): Add missing builtins from
2424 * extend.texi (Other Builtins): Copy to this list.
2426 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2428 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
2429 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
2432 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
2434 * flow.c (compute_flow_dominators): No longer treat basic block 0
2435 or (n_basic_blocks - 1) specially. Clear the AUX field before
2436 starting computation of doms/pdoms. Fix initial state for pdoms.
2438 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2440 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
2441 match rtl.o's: added ggc.h and toplev.h
2442 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
2443 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
2444 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
2446 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
2448 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
2449 from HAVE_DOS_BASED_FILESYSTEM.
2450 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
2451 HAVE_DOS_BASED_FILESYSTEM.
2453 (split_directories): Only special-case DOS file names if
2454 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
2455 instead of explicit tests. Conditionalize on !VMS.
2456 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
2457 tests. Conditionalize on !VMS.
2458 (process_command): Only use make_relative_prefix if !VMS.
2459 (free_split_directories): Conditionalize on !VMS.
2460 (DIR_UP): Conditionalize on !VMS.
2462 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
2464 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
2466 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
2468 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
2471 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
2473 * invoke.texi (Environment Variables): Document relative path
2475 * gcc.c (DIR_UP): If not defined, define as "..".
2476 (standard_bindir_prefix): New static, holds target location to
2478 (split_directories): New function to split a filename into
2479 component directories.
2480 (free_split_directories): New function, release memory allocated
2481 by split_directories.
2482 (make_relative_prefix): New function, make a relative pathname if
2483 the compiler is not in the expected location.
2484 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
2485 can figure out an appropriate prefix from argv[0].
2486 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
2487 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
2488 STANDARD_BINDIR_PREFIX.
2490 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2492 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
2494 * config/c4x/c4x.h: Moved prototypes to c4x.h.
2495 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
2496 c4x_secondary_memory_needed) Delete.
2497 (fp_zero_operand): Add mode argument.
2499 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
2501 * reload1.c (reload_reg_free_for_value_p): Don't use a register
2502 that is in reload_reg_used.
2504 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
2506 * config/arm/arm-protos.h: New file: Prototypes for functions
2507 defined in arm.c and pe.c.
2508 * config/arm/arm.h: Fix compile time warnings.
2509 * config/arm/arm.c: Fix compile time warnings.
2510 * config/arm/pe.h: Fix compile time warnings.
2511 * config/arm/aout.h: Fix compile time warnings.
2513 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
2515 * config/m32r/m32r-protos.h: New file: Prototypes for functions
2518 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
2519 Add support for subtargets.
2520 Add prototypes for new predicates.
2521 Add scheduling macros.
2523 * config/m32r/m32r.c: Fix compile time warnings.
2524 (int8_operand): New predicate function.
2525 (reg_or_cmp_int16_operand): New predicate function.
2526 (extend_operand): New predicate function.
2527 (m32r_adjust_code): New scheduling function.
2528 (m32r_adjust_priorty): New scheduling function.
2529 (m32r_sched_init): New scheduling function.
2530 (m32r_sched_reorder): New scheduling function.
2531 (m32r_sched_variable_issue): New scheduling function.
2532 (direct_return): New codegen function.
2533 (m32r_not_same_reg): New rtl testsing function.
2535 * config/m32r/m32r.md: Fix compile time warnings.
2536 Add support for pre decrement and post increment memory
2541 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2543 * global.c (EXECUTE_IF_CONFLICT): Don't define.
2544 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
2545 (find_reg): Likewise.
2547 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
2549 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
2550 to avoid assembler errors.
2552 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
2554 * config/v850/v850-protos.h: New file: Prototypes for functions
2556 * config/v850/v850.h: Move prototypes to v850-protos.h
2557 * config/v850/v850.c: Move prototypes to v850-protos.h
2558 * config/v850/v850.md: Fix compile time warnings.
2560 * config/fr30/fr30-protos.h: New file: Prototypes for functions
2562 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
2563 * config/fr30/fr30.c: Fix compile time warnings.
2564 * config/fr30/fr30.md: Fix compile time warnings.
2566 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
2568 * tree.h (get_containing_scope): Declare it.
2569 * tree.c (get_containing_scope): New fucntion.
2570 (decl_function_context): Use it.
2571 * toplev.c (rest_of_compilation): Use get_containing_scope.
2573 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2575 * Makefile.in (rtl.o): Depend on toplev.h.
2577 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
2579 * cse.c (delete_trivially_dead_insns): Replace alloca with
2581 * except.c (update_rethrow_references): Likewise.
2582 (init_eh_nesting_info): Likewise.
2583 * function.c (identify_blocks): Likewise.
2584 * gcse.c (dump_hash_table): Likewise.
2585 * graph.c (print_rtl_graph_with_bb): Likewise.
2586 * loop.c (combine_movables): Likewise.
2587 (move_movables): Likewise.
2588 (count_loop_regs_set): Likewise.
2589 (strength_reduce): Likewise.
2590 * profile.c (compute_branch_probabilities): New function, split
2592 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
2593 * regclass.c (regclass): Likewise.
2594 * regmove.c (regmove_optimize): Likewise.
2595 * toplev.c (compile_file): Likewise.
2596 (main): Don't mess with the stack rlimit.
2598 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
2600 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
2601 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
2603 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
2605 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
2607 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
2609 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
2610 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
2613 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
2615 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
2617 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
2619 * gcse.c (post_dominators): Kill.
2620 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
2621 (compute_code_hoist_data): Use compute_flow_dominators. Do not
2622 pass in a pdom array since we do not need pdoms.
2623 * haifa-sched.c (schedule_insns): Similarly.
2624 * flow.c (compute_dominators): Remove dead function.
2625 (compute_flow_dominators): Do not compute doms or pdoms if the
2626 caller does not request them. Split up loop to build doms and
2627 pdoms. Use a worklist to compute doms and pdoms.
2628 * basic-block.h (compute_dominators): Remove prototype.
2630 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
2632 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
2633 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
2634 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
2635 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
2636 (cant_move, fed_by_spec_load, is_load_insn): Remove.
2637 (schedule_region): Remove unused variable.
2638 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
2640 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
2642 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
2643 (update_equiv_regs): Likewise.
2644 (block_alloc): Likewise.
2645 * reg-stack.c (reg_to_stack): Likewise.
2646 (convert_regs_2): Likewise.
2647 * reload1.c (reload_as_needed): Likewise.
2649 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
2651 * Makefile.in (dbxout.o): Depend on ggc.h.
2652 (dwarf2out.o): Likewise.
2653 (xcoffout.o): Likewise.
2654 * dbxout.c: Include ggc.h.
2655 (dbxout_init): Register lastfile as a root.
2656 * dwarf2out.c: Include ggc.h.
2657 (dwarf2out_line): Register lastfile as a root.
2658 * xcoffout.c: Include ggc.h.
2659 (xcoffout_source_line): Register xcoff_lastfile as a root.
2661 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
2663 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
2665 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
2667 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
2669 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2671 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2673 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
2674 (EXECUTE_IF_CONFLICT): Likewise.
2675 (ALLOCNO_LIVE_P): Avoid signed division.
2676 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
2677 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
2678 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
2680 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
2682 * haifa-sched.c (schedule_block): Don't crash if there's no
2683 next insn for an interblock movement.
2684 (add_branch_dependences): Don't allow clobber insns to move either.
2686 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
2688 * i386.c (split_xf): New.
2689 * i386-protos.h: Declare it.
2690 * i386.md (movxf_1): Add general regs alternatives.
2691 (movxf_1+1): New splitter for same.
2693 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
2695 * function.c (purge_addressof_1): Add missing return values.
2697 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
2699 * function.c (is_addressof): New function. Returns true if
2700 the given piece of RTL is an ADDRESSOF.
2701 (purge_addressof_1): Make boolean. Return false if the
2702 ADDRESSOFs could not be purged.
2703 (purge_addressof): If ADDRESSOFs could not be purged from the
2704 notes attached to an insn, remove the offending note(s),
2705 unless they are attached to a libcall.
2707 1999-11-05 Andreas Jaeger <aj@suse.de>
2709 * genoutput.c (null_operand =): Initialize all fields.
2711 * errors.h: Add extern to prototypes.
2713 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
2715 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
2716 * configure: Rebuilt.
2718 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2720 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
2721 (mirror_conflicts): New function.
2722 (global_alloc): Call it.
2723 (expand_preferences): Remove redundant CONFLICTP test.
2724 (find_reg, dump_conflicts): Likewise.
2725 (prune_preferences): Process conflicts one word at a time.
2727 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
2729 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
2730 instead of an explicit loop.
2732 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
2734 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
2735 if REG_RETVAL check succeeds, then put classp in src_elt.
2737 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
2739 * function.c (pad_to_arg_alignment): Only update argument_pad
2740 if the argument's alignment is greater than STACK_BOUNDARY.
2742 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
2744 * bitmap.h (BITMAP_XFREE): New.
2745 * flow.c (life_analysis): Use it.
2746 (life_analysis_1): Free blocks.
2748 * combine.c (undo_commit): New.
2749 (try_combine): Use it. Don't zap undobuf.undos.
2750 (combine_instructions): Don't zap undobuf.undos; free the
2753 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
2755 * stmt.c (cost_table_): New.
2756 (estimate_case_costs): Use it instead of xmalloc.
2758 * toplev.c (compile_file): Reuse dumpname memory instead
2761 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
2763 * reg-stack.c (convert_regs_1): Initialize target_stack->top
2764 after verifying an EH edge.
2766 * haifa-sched.c (init_rgn_data_dependences): Correctly
2767 size bb_pending_lists_length when zeroing.
2769 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
2771 * function.c (diddle_return_value): New.
2772 (expand_function_end): Use it.
2773 * stmt.c (expand_null_return): Likewise.
2774 (expand_value_return): Likewise.
2776 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
2778 * reload1.c (reload): Don't remove return value clobbers.
2780 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
2782 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
2784 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
2786 * cse.c (cse_main): Use xmalloc, not alloca.
2787 (cse_basic_block): Likewise.
2788 * local-alloc.c (local_alloc): Likewise.
2790 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
2791 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2793 * rtl.c: Include toplev.h.
2794 (fatal): Remove declaration.
2796 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
2798 * haifa-sched.c (schedule_block): Fix thinko.
2800 1999-11-03 James McKelvey <mckelvey@fafnir.com>
2802 * fixinc/fixincl.c(create_file): Allow for systems that do not have
2803 S_IR* defined values
2805 1999-11-03 Philippe De Muyter <phdm@macqel.be>
2807 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
2808 call `malloc' instead.
2810 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
2812 * flags.h (flag_renumber_insns): Declare.
2813 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
2815 * rtl.h (renumber_insns): Change prototype.
2816 * toplev.c (flag_renumber_insns): Define.
2817 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
2819 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
2821 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
2822 and fpsqrtd. Use them and create fdiv function unit to more
2823 accurately represent fpu sqrt pipeline semantics on UltraSparc.
2824 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
2826 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
2828 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
2830 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
2831 insn into ready list, do not use just a raw swap.
2833 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
2835 * rtl.h (renumber_insns): New function.
2836 (remove_unnecessary_notes): Likewise.
2837 * emit-rtl.c (renumber_insns): Define.
2838 (remove_unncessary_notes): Likewise.
2839 * toplev.c (rest_of_compilation): Remove dead code.
2840 Use renumber_insns and remove_unncessary_notes.
2842 * gcse.c (struct null_pointer_info): New type.
2843 (get_bitmap_width): New function.
2844 (current_block): Remove.
2845 (nonnull_local): Likewise.
2846 (nonnull_killed): Likewise.
2847 (invalidate_nonnull_info): Take a null_pointer_info as input.
2848 (delete_null_pointer_checks_1): New function.
2849 (delete_null_pointer_checks): Use it.
2851 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
2852 (split_edges): Likewise.
2853 (schedule_block): Likewise.
2854 (compute_block_backward_dependencies): Likewise.
2855 (schedule_region): Likewise.
2856 (schedule_insns): Likewise.
2858 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
2860 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
2861 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
2862 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
2863 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
2864 * jump.c (delete_unreferenced_labels): Don't delete if
2865 LABEL_ALTERNATE_NAME is set.
2866 * print-rtl.c (print_rtx): Dump alternate name.
2867 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
2868 * rtl.h (LABEL_ALTERNATE_NAME): Define.
2869 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
2870 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
2872 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2874 * fix-header.c (recognized_extern, recognized_function): Constify
2877 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
2878 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2879 (compute_available): Remove unused variable `last'.
2880 (compute_nearerout): Remove unused variable `temp_bitmap'.
2881 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
2882 Remove unused variable `x'.
2884 * scan.h (recognized_function, recognized_extern): Constify a
2887 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
2889 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2891 * varasm.c (decode_rtx_const): Use XSTR to access the string
2894 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
2896 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
2898 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2900 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
2902 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
2904 * pa.c (ireg_operand): New function.
2905 * pa.h (PREDICATE_CODES): Handle ireg_operand.
2906 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
2907 Fix out of date comment.
2909 * pa.md (negdi2): Turn into expander + anonymous pattern.
2911 * reload.c (find_reloads): Fix typos in recent change.
2913 * dwarf2out.c: Do not include ctype.h.
2915 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2917 * regclass.c (record_reg_classes): Always use may_move_cost when
2918 seeing how operand fits with various register classes.
2920 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
2922 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
2923 * toplev.c: Revert Nov 1 13:22 change.
2925 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
2927 * config/pa/pa.md (height reduction patterns): Add checks for
2928 overlapping operands to avoid semantic-destroying splits for
2929 height reduction patterns.
2931 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2933 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
2934 have been an hyphen, fixed.
2935 * configure: Rebuilt.
2937 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
2939 * config/arm/tpe.h: Add prototypes for exported functions.
2940 * config/arm/pe.c: Fix compile time warnings.
2941 * config/arm/semi.h: Fix compile time warnings.
2942 * config/arm/arm.c: Fix compile time warnings.
2943 * config/arm/arm.h: Fix compile time warnings.
2944 * config/arm/arm.md: Fix compile time warnings.
2945 * config/arm/thumb.c: Fix compile time warnings.
2946 * config/arm/thumb.h: Fix compile time warnings.
2947 * config/arm/thumb.md: Fix compile time warnings.
2949 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
2951 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
2954 * unroll.c (unroll_loop): Remove LOOP notes when loop is
2955 completely unrolled.
2957 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2959 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
2961 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
2963 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
2964 * rtl.h (rtx_equal_p): Move prototype.
2965 * rtl.c (rtx_equal_function_value_matters): Move from
2967 (rtx_equal_p): Likewise.
2968 * rtlanal.c (rtx_equal_function_value_matters): Delete.
2969 (rtx_equal_p): Likewise.
2971 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
2973 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
2976 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
2978 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
2980 * pa.h (ADDR_VEC_ALIGN): Define.
2982 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
2983 notes when presented with "if (foo) break; end_of_loop" and
2984 the break sequence gets moved out of the loop.
2986 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
2987 Remove explicit zero initializations of entries within MAP.
2989 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
2991 * reg-stack.c (convert_regs_1): Handle EH edges specially.
2993 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
2995 * bitmap.h (BITMAP_XMALLOC): New macro.
2996 * flow.c (CLEAN_ALLOCA): Remove.
2997 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
2998 (life_analysis): Likewise.
2999 (update_life_info): Don't use CLEAN_ALLOCA.
3000 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
3001 (calculate_global_regs_live): Likewise.
3002 (print_rtl_with_bb): Likewise.
3003 (verify_flow_info): Likewise.
3004 * global.c (global_alloc): Likewise.
3005 (global_conflicts): Likewise.
3006 * integrate.c (save_for_inline_nocopy): Likewise.
3007 (expand_inline_function): Likewise.
3008 * jump.c (jump_optimize_1): Likewise.
3009 (duplicate_loop_exit_test): Likewise.
3010 (thread_jumps): Likewise.
3011 * loop.c (loop_optimize): Likewise.
3012 (combine_givs): Likewise.
3013 (recombine_givs): Likewise.
3014 * reorg.c (dbr_schedule): Likewise.
3015 * unroll.c (unroll_loop): Likewise.
3017 * combine.c (combine_instructions): Use xmalloc instead of alloca.
3019 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
3021 * toplev.c (rest_of_compilation): Don't optimize the CFG
3022 when rebuilding, just before dbr.
3024 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3026 * output.h (assemble_end_function, assemble_destructor,
3027 assemble_constructor, assemble_gc_entry, assemble_global,
3028 assemble_label, output_constant_pool) Constify a char*.
3030 * varasm.c (assemble_destructor, assemble_constructor,
3031 assemble_gc_entry, assemble_end_function, assemble_global,
3032 assemble_label, output_constant_pool): Likewise.
3034 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
3036 * config/arm/thumb.c (thumb_expand_prologue): Add comments
3037 explaining what is goin on in this function.
3039 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3041 * regclass.c (record_reg_classes): In matching case, recompute
3042 costs since the direction of movement is different.
3044 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
3046 * resource.c (mark_target_live_regs): For unconditional branches,
3047 the resources found at the branch target should be added to the
3048 resources found so far, not intersected.
3050 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
3052 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
3054 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
3055 (sys/mman.h): Include this file only if #HAVE_MMAP.
3056 (run_compiles): Initialize `esac_fmt' with one old KR string, not
3057 with automatically concatenated ANSI strings.
3059 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
3061 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
3062 (DIV_ROUND_UP): Robustify.
3063 (ggc_recalculate_in_use_p): New function.
3064 (release_pages): Don't inline it.
3065 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
3067 (ggc_pop_context): Use ggc_recalculate_in_use_p.
3068 (clear_marks): Always save in_use_p.
3069 (sweep_pages): Use ggc_recalculate_in_use_p.
3070 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
3071 Release pages before counting statistics.
3073 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
3075 * toplev.c (rest_of_compilation): Fix thinko in this change:
3077 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3079 (rest_of_compilation): If inside an inlined external function,
3080 pretend we are just being declared.
3082 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
3084 * flow.c (calculate_global_regs_live): Fix thinko.
3086 * integrate.c (expand_inline_function): Fix bugs in previous
3087 change from Oct 28, 1999.
3089 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
3091 * stmt.c (expand_value_return): Fix typo in this change:
3093 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3094 (expand_value_return): Correctly convert VAL when promoting function
3095 return; support RETURN_REG being a PARALLEL.
3097 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
3099 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
3101 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3103 * hard-reg-set.h (reg_names): Constify a char*.
3105 * regclass.c (reg_names): Likewise.
3107 * regs.h (reg_names): Likewise
3109 * a29k/a29k.c (reg_names): Delete declaration.
3111 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
3113 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
3114 arc_output_function_epilogue): Likewise.
3116 * elxsi/elxsi.c (reg_names): Likewise.
3118 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
3120 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
3123 * m88k/m88k.c (output_function_profiler): Likewise.
3125 * sparc/sparc.c (sparc_flat_output_function_prologue,
3126 sparc_flat_output_function_epilogue): Likewise.
3128 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
3130 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
3131 warning from -Wuninitialized and put it under -W.
3132 * function.c (uninitialized_vars_warning): Warn only when the
3133 corresponding flag is set.
3135 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
3137 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
3138 is nonzero and the single set does not have an elt, then assign
3141 * simplify-rtx.c: New file.
3142 * Makefile.in (OBJS): Add simplify-rtx.o
3143 (simplify-rtx.o): Add dependencies.
3144 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
3145 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
3146 (cse_gen_binary, simplify_unary_operation): Delete.
3147 (simplify_binary_operation, simplify_plus_minus): Likewise.
3148 (check_fold_consts, simplify_relation_operation): Likewise.
3149 (simplify_ternary_operation): Likewise.
3150 (delete_trivially_dead_insns): Simplify the contents of the
3151 REG_EQUAL note before trying to substitute it into the source
3152 of the reg-reg copy at the end of a libcall sequence.
3154 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
3155 references/callers changed.
3157 * mn10200.c (mn10200_va_arg): Force the return value into a
3160 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
3162 * cccp.c (macroexpand): Avoid out of range accesses for omitted
3165 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
3167 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
3169 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
3171 * fold-const.c (fold): Fix thinko when optimizing comparisons
3174 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
3176 * gcc.texi (Passes): Update front-end files to their current
3179 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
3181 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
3182 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3183 (PREDICATE_CODES): Add addition_operation.
3184 * alpha-protos.h (addition_operation): Declare.
3185 (secondary_reload_class): Likewise.
3186 * alpha.c (addition_operation): New.
3187 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
3188 * alpha.md (adddi3): Turn into expander.
3189 (*lda, *adddi_2): New.
3190 (movsf, movdf patterns): Don't preference integer regs.
3191 (movsi, movdi patterns): Don't preference fp regs.
3193 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
3195 * genrecog.c (write_switch): Check for duplicate CODE cases.
3197 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
3199 * ggc-common.c: Update pre-function commentary.
3200 * ggc-page.c: Likewise.
3202 (poison_pages): Use memset directly.
3203 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
3204 (ggc_collect): Poison before sweeping.
3205 * ggc-simple.c: Update pre-function commentary.
3206 (ggc_alloc_obj): Poison non-zeroed memory.
3208 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
3210 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
3211 match format string, even on 64-bit hosts.
3212 * gcc-page.c (ggc_page_print_statistics): Likewise.
3214 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
3216 * config/i386/i386.c (ix86_cpu): Revert last patch.
3217 * config/i386/i386.h (ix86_cpu): Ditto.
3219 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
3221 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
3222 TYPE_SIZE, convert type of result to sizetype.
3224 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
3226 * flow.c (count_or_remove_death_notes): Equate NULL with the
3229 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
3230 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
3233 * i386.c (pic_label_no): Delete.
3234 (ix86_attr_length_default): Don't use single_set to peek
3237 * recog.c (peephole2_optimize): Allow recog_next_insn to index
3238 the first insn after bb->end.
3239 * i386.md (push mem peeps): Scratch is live after evaluation
3241 (cmp mem peep): Similarly.
3243 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
3245 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
3246 * function.c (pad_to_arg_alignment): Add missing braces.
3248 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3250 * alpha/alpha-protos.h (literal_section): Add prototype.
3251 (alpha_need_linkage, alpha_start_function,alpha_end_function):
3254 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
3256 (alpha_start_function, alpha_end_function, float_strings,
3257 alpha_need_linkage): Constify a char*
3259 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
3261 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
3263 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3265 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3267 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3269 * flow.c (debug_flow_info): Add prototype.
3271 * gcc.c (main): Likewise.
3273 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
3276 * reload1.c (failed_reload, set_reload_reg): Likewise.
3278 * mips-tfile.c (main): Likewise.
3279 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
3280 with ATTRIBUTE_NORETURN.
3282 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
3284 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
3285 DECL is not a memory ref.
3287 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
3289 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
3290 * config/i386/i386.c (ix86_cpu): Add extern attribute.
3292 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
3294 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
3295 * config/mips/elf64.h: ditto.
3297 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
3299 * expr.c (emit_push_insn): New argument alignment_pad.
3300 Update all callers. Adjust stack pointer based on alignment pad.
3301 * function.c (pad_to_arg_alignment): New argument alignment_pad.
3302 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
3303 (locate_and_pad_parm): New argument alignment_pad. Update all
3305 * expr.h (emit_push_insn): Update prototype.
3306 (locate_and_pad_parm): Update prototype.
3307 * calls.c (arg_data): Add new field alignment_pad.
3308 (initialize_argument_information): Initialize alignment_pad.
3310 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
3312 * except.c (free_eh_nesting_info): Free the info itself.
3313 * function.c (free_after_compilation): Don't free NULL.
3314 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
3315 (pre_edge_insert): Free inserted.
3316 * stmt.c (free_stmt_status): Don't free NULL.
3318 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3320 * gcov.c (DIR_SEPARATOR): Provide default.
3321 (output_data): Add test for MS-DOS format absolute filename.
3322 (fancy_abort): Correct program name.
3323 (open_files): Open all files in binary mode.
3324 * libgcc2.c (__bb_exit_func): Likewise.
3326 * profile.c (init_branch_prob): Specify binary when opening files.
3328 * flags.h (flag_unwind_tables): New decl.
3329 * toplev.c (flag_unwind_table): New definition.
3330 (f_options): Add -funwind-tables.
3331 (decode_g_option): Clarify warning when unknown -g option is given.
3332 (rest_of_compilation): If inside an inlined external function,
3333 pretend we are just being declared.
3335 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
3336 (dwarf2out_frame_finish): Likewise.
3338 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
3340 * fold-const.c (merge_ranges): If not in0, but in1, handle
3341 upper bounds equal like subset case.
3343 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
3345 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
3346 passed in a register but moved to the stack.
3348 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
3350 * gcc.c (pass_exit_codes, greatest_status): New variables.
3351 (struct option_map): Add entry for "--pass-exit-codes".
3352 (execute): Update greatest_status if error.
3353 (display_help): Add documentation for -pass-exit-codes.
3354 (process_command): Handle -pass-exit-codes.
3355 (main): Look at pass_exit_codes and greatest_status on call to exit.
3357 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3359 * reload.c (find_reloads): Refine test for no input reload
3360 case to not includes reloads emitted after insn.
3362 * function.c (find_temp_slots_from_address): Handle sum involving
3363 a register that points to a temp slot.
3364 (update_temp_slot_address): Make recursive call if both old and
3365 new are PLUS with a common operand.
3366 * calls.c (expand_call): Mark temp slot for result as having
3369 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
3371 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
3372 component as well as "BINUTILS".
3374 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
3375 * integrate.c (copy_rtx_and_substitute): Likewise.
3376 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
3377 All callers changed.
3378 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
3380 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
3381 gdb extensions, write size of type; also be more consistent
3382 in using references when this is a subtype.
3384 * pa.md (extv, extzv, insv): Use define_expand to reject constant
3385 that is out of range.
3387 * loop.c (unknown_constant_address_altered): New variable.
3388 (prescan_loop): Initialize it.
3389 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
3390 (invariant_p, case MEM): Remove handling for volatile and readonly;
3391 check new variable if readonly.
3392 (check_dbra_loop): Chdeck unknown_constant_address_altered.
3394 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
3395 (addr_affects_sp_p): Removed from note_mem_written and only
3396 define #ifdef AUTO_INC_DEC.
3398 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
3400 * regclass.c (record_reg_classes): Properly handle register move
3403 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
3404 Don't think valid if both operands are invalid.
3405 (struct constant_descriptor): New field RTL.
3406 (mark_const_hash_entry): Mark it.
3407 (record_constant{,_rtx}): Initialize it.
3408 (output_constant_def): Allocate RTL in permanent obstack and
3410 ({record,compare}_constant_1): Modes must match for
3411 CONSTRUCTOR of ARRAY_TYPE.
3413 * c-common.h (initializer_constant_valid_p): Delete decl from here.
3414 * output.h (initializer_constant_valid_p): Move decl to here.
3415 * c-common.c (initializer_constant_valid_p): Delete function from here.
3416 * varasm.c (initializer_constant_valid_p): Move function to here.
3418 * tree.h (STRIP_SIGN_NOPS): New macro.
3419 * fold-const.c (optimize_minmax_comparison): New function.
3420 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
3421 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
3422 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
3423 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
3424 widening conversions.
3425 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
3426 to look at size of mode, not precision of type; also add missing cases.
3427 (optimize_bit_field_compare, decode_field_reference): Don't try to
3428 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
3430 * dwarf2out.c (ctype.h): Include.
3431 (dwarf2out_set_demangle_name_func): New function.
3432 (size_of_line_info): Deleted.
3433 (output_line_info): Compute size of line info table from difference
3435 (base_type_die, add_name_attribute): Call demangle function, if any.
3436 (field_byte_offset): Use bits per word for variable length fields.
3437 (gen_array_type_die): Add array name.
3438 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
3439 (dwarf2out_add_library_unit_info): New function.
3441 * explow.c (set_stack_check_libfunc): New function.
3442 (stack_check_libfunc): New static variable.
3443 (probe_stack_range): Allow front-end to set up a libfunc to call.
3445 * combine.c (simplify_comparison): When making comparison in wider
3446 mode, check for having commuted an AND and a SUBREG.
3447 (contains_muldiv): New function.
3448 (try_combine): Call it when dividing a PARALLEL.
3449 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
3450 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
3452 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
3453 use one of the CLOBBERs instead.
3454 (if_then_else_cond): If comparing against zero, just return thing
3457 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
3458 Don't generate shifts and subtract if have conditional arithmetic.
3460 * rtl.h (delete_barrier): New declaration.
3461 * jump.c (jump_optimize): Set up to handle conditional call.
3462 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
3463 (delete_barrier): New function.
3465 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
3467 * recog.c (nonmemory_operand): Accept ADDRESSOF.
3469 * tree.c (build_type_attribute_variant): Push to obstack of
3470 ttype around type_hash_canon call.
3472 * expr.c (placeholder_list): Move decl to file scope.
3473 (expand_expr): Don't force access to volatile just because its
3475 If ignoring reference operations, just expand the operands.
3476 (expand_expr, case COMPONENT_REF): Propagate
3477 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
3478 Refine test for using bitfield operations vs pointer punning.
3479 (expand_expr, case CONVERT_EXPR): If converting to
3480 BLKmode UNION_TYPE from BLKmode, just return inner object.
3481 Use proper mode in store_field call.
3482 Properly set sizes of object to store and total size in store_field
3483 call for convert to union.
3484 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
3485 memory (like for ADDR_EXPR). Also, don't put constant in register if
3486 we'll want it in memory.
3487 (readonly_fields_p): New function.
3488 (expand_expr, case INDIRECT_REF): Call it if LHS.
3489 (expand_assignment): Handle a RESULT_DECL where
3490 DECL_RTL is a PARALLEL.
3491 (do_jump, case WITH_RECORD_EXPR): New case.
3492 (get_inner_reference): Always go inside a CONVERT_EXPR
3493 and NOP_EXPR if both modes are the same.
3494 (store_field): Use bitfield operations if size of bitsize is not same
3495 as size of RHS's type.
3496 Check for bitpos not a multiple of alignment in BLKmode case.
3497 Do block move in largest possible alignment.
3498 (store_constructor): Set BITSIZE to -1 for variable size and properly
3499 in case of array of BLKmode.
3500 (expand_expr_unaligned): New function.
3501 (do_compare_and_jump): Call it.
3503 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
3504 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
3505 does not include 'o'.
3507 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
3508 both SET_DEST and SET_SRC reference a virtual register.
3509 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
3511 * integrate.c (expand_inline_function): Handle case of setting
3512 virtual stack vars register (from built in setjmp); when parameter
3513 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
3514 (subst_constant): Add new parm, MEMONLY.
3515 (expand_inline_function, integrate_parm_decls): Pass new parm.
3516 (integrate_decl_tree): Likewise.
3517 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
3518 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
3519 (copy_rtx_and_substitute, case SET): Add explicit calls to
3520 copy_rtx_and_substitute for both sides.
3522 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
3524 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
3525 within INDEX_TYPE, instead of before.
3526 (fixup_gotos): Use f->target_rtl, not the next insn,
3527 since latter may be from a later fixup.
3528 (expand_value_return): Correctly convert VAL when promoting function
3529 return; support RETURN_REG being a PARALLEL.
3530 (expand_return): When checking for result in regs and having
3531 cleanup, consider PARALLEL in DECL_RTL as being in regs.
3533 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
3535 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
3536 last_nominal_fname): Mark const.
3537 (struct include_hash: name, nshort, control_macro): Mark
3539 (struct macrodef: symnam): Mark const.
3540 (struct if_stack: fname): Mark const.
3541 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
3542 (IStable): New character-syntax array which encompasses all
3543 the old is_foo arrays.
3544 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
3545 is_space): New macros for interrogating IStable.
3546 (check_macro_name): Kill last argument. All callers changed.
3548 * cppinit.c (initialize_char_syntax): Delete.
3549 (is_idchar, is_idstart, is_hor_space, is_space,
3550 trigraph_table): Delete.
3551 (IStable): New. Initialize with clever macros to avoid
3552 information duplication.
3553 (builtin_array): Table of builtins to get rid of explicit list
3554 in initialize_builtins.
3555 (initialize_builtins): Use builtins_array.
3556 (cpp_start_read): Call init_IStable, and set IStable['$'] if
3557 opts->dollars_in_ident.
3559 * cppexp.c: Change all refs to is_xyz[] arrays to use new
3561 (cpp_parse_expr): Avoid 'format string is not constant'
3562 warning. Use ISGRAPH to identify printable chars.
3563 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
3565 (read_and_prescan): Map trigraphs to chars with open-coded
3566 if-else-if-... sequence, not a lookup table.
3567 * cpphash.c: Change all refs to is_xyz[] arrays to use new
3569 * cpplib.c: Change all refs to is_xyz[] arrays to use new
3570 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
3571 (check_macro_name): Remove ability to report an invalid
3572 assertion name, which is never used.
3573 (do_line): Constify a couple of char *'s.
3574 * cppmain.c (main): Call cpp_cleanup before returning.
3576 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
3578 * ggc.h (struct ggc_statistics): New type.
3579 (ggc_get_size): New function.
3580 (ggc_print_statistics): Likewise.
3581 * ggc-common.c (ggc_stats): New variable.
3582 (ggc_mark_rtx_children): Keep statistics.
3583 (ggc_mark_tree_children): Likewise.
3584 (ggc_print_statistics): New function.
3585 * ggc-page.c (struct globals): Add bytes_mapped field.
3586 (alloc_anon): Update it.
3587 (release_pages): Likewise.
3588 (ggc_get_size): New function.
3589 (ggc_page_print_statistics): New function.
3590 * ggc-simple.c (ggc_get_size): New function.
3592 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
3594 * flow.c (propagate_block): When the last reference to a label
3595 before an ADDR_VEC is deleted because the reference is a dead
3596 store, delete the ADDR_VEC.
3598 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
3600 * resource.c (find_free_register): Don't use the frame pointer
3601 if frame_pointer_needed.
3603 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
3605 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
3606 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
3608 * config/i960/i960.c (i960_va_start): New locals base, num.
3609 Use INDIRECT_REF instead of ARRAY_REF on valist.
3610 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
3612 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
3614 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
3616 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
3618 * tree.def (PLACEHOLDER_EXPR): Update comments.
3620 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3622 * c-common.c (check_format_info): Avoid non-literal format string
3623 warnings when `first_arg_num' is zero.
3625 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3627 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
3629 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3631 * arm.md (casesi_insn): Add a clobber of the condition code
3634 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
3636 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
3637 used by both cc1 and cc1plus.
3639 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
3641 * config/arm/arm.c: Initialise arm_structure_size_boundary to
3642 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
3643 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
3644 to the value 32 if it has not already been defined.
3645 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
3646 Override definition in arm.h with a value of 8.
3648 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
3650 * c-pragma.c (push_alignment): Don't check the return value
3653 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
3655 * sparc.h (ADJUST_COST): Fix thinko.
3657 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
3659 * cccp.c (rescan): Fixed obp pointer handling around call to
3660 check_expand subroutine.
3662 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
3664 * gcse.c (delete_null_pointer_checks): Only record non-null info
3665 for pseudos when examining stores.
3667 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
3668 splitters for these patterns. Use "#" for output templates.
3669 (addsi3_carryin_shift): New pattern.
3671 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
3673 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
3674 of the function return register into a plain REG until
3675 after function inlining is done.
3677 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
3679 * jump.c (jump_optimize_1): If we did cross-jumping, and
3680 the data will matter, rebuild the CFG.
3681 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
3682 not optimizing. Don't run shorten_branches.
3683 * toplev.c (rest_of_compilation): Run shorten_branches after
3686 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
3688 * rtl.h (note_stores): Add additional paramter.
3689 * rtlanal.c (reg_set_p_1): Take additional paramter.
3690 (reg_set_last_1): Likewise.
3691 (reg_set_p): Adjust call to note_stores.
3692 (reg_set_last): Likewise.
3693 (note_stores): Pass data parameter to worker function.
3694 * alias.c (record_set): Take additional parameter.
3695 (init_alias_analysis): Pass it.
3696 * caller-save.c (mark_set_regs): Take additional parameter.
3697 (save_call_clobbered_regs): Pass NULL to note_stores.
3698 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
3700 (record_dead_and_set_regs_1): Likewise.
3701 (reg_dead_at_p_1): Likewise.
3702 (combine_instructions): Adjust calls to note_stores.
3703 (try_combine): Likewise.
3704 (record_dead_insn): Remove.
3705 (record_dead_and_set_regs): Adjust calls to note_stores.
3706 (reg_dead_at_p): Likewise.
3707 * cse.c (invalidate_skipped_set): Take additional parameter.
3708 (cse_check_loop_start): Likewise.
3709 (cse_check_loop_start_value): Remove.
3710 (cse_set_around_loop): Adjust calls to note_stores.
3711 * flow.c (notice_stack_pointer_modification): Take additional
3712 parameter. Remove duplicate declaration.
3713 (record_volatile_insns): Adjust calls to note_stores.
3714 * gcse.c (record_set_info): Take additional parameter.
3715 (record_last_set_info): Likewise.
3716 (invalidate_nonnull_info): Likewise.
3717 (record_set_insn): Remove.
3718 (compute_sets): Adjust calls to note_stores.
3719 (last_set_insn): Remove.
3720 (compute_hash_table): Adjust calls to note_stores.
3721 (insert_insn_end_bb): Likewise.
3722 (delete_null_pointer_checks): Likewise.
3723 * global.c (mark_reg_store): Take additional parameter.
3724 (mark_reg_clobber): Likewise.
3725 (reg_becomes_live): Likewise.
3726 (global_conflicts): Adjust calls to note_stores.
3727 (build_insn_chain): Likewise.
3728 * integrate.c (note_modified_parmregs): Take additional parameter.
3729 (mark_stores): Likewise. Make it static.
3730 (save_for_inline_nocopy): Adjust calls to note_stores.
3731 (try_constants): Likewise.
3732 * integrate.h (mark_stores): Remove declaration.
3733 * jump.c (mark_modified_reg): Take additional parameter.
3734 (thread_jumps): Adjust calls to note_stores.
3735 * local-alloc.c (validate_equiv_mem_from_store): Take additional
3737 (no_equiv): Likewise.
3738 (reg_is_set): Likewise.
3739 (validate_equiv_mem): Adjust calls to note_stores.
3740 (update_equiv_regs): Likewise.
3741 (block_alloc): Likewise.
3742 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
3743 (note_addr_stored): Take additional parameter.
3744 (note_set_pseudo_multiple_uses): Likewise.
3745 (record_initial): Likewise.
3746 (prescan_loop): Adjust calls to note_stores.
3747 (strength_reduce): Likewise.
3748 (check_dbra_loop): Likewise.
3749 * regmove.c (flags_set_1): Take additional paramter.
3750 (mark_flags_life_zones): Adjust calls to note_stores.
3751 * reload1.c (mark_not_eliminable): Take additional parameter.
3752 (forget_old_reloads_1): Likewise.
3753 (reload_cse_invalidate_rtx): Likewise.
3754 (reload_cse_check_clobber): Likewise.
3755 (reload_combine_note_store): Likewise.
3756 (move2add_note_store): Likewise.
3757 (reload): Adjust calls to note_stores.
3758 (reload_as_needed): Likewise.
3759 (emit_reload_insns): Likewise.
3760 (reload_cse_regs_1): Likewise.
3761 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
3762 (reload_combine): Adjust calls to note_stores.
3763 * resource.c (update_live_status): Take additional paramter.
3764 (mark_target_live_regs): Adjust calls to note_stores.
3765 * stupid.c (find_clobbered_regs): Take additional parameter.
3766 (stupid_life_analysis): Adjust calls to note_stores.
3768 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
3770 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
3773 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
3776 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
3777 of the variable arm_structure_size_boundary.
3779 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
3781 * alias.c (init_alias_analysis): Allocate reg_known_value and
3782 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
3784 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
3785 * cse.c (cse_main): Call end_alias_analysis.
3786 * haifa-sched.c (schedule_insns): Likewise.
3787 * local-alloc. (update_equiv_regs): Likewise.
3788 * reload1.c (reload_cse_regs): Likewise.
3790 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3792 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
3793 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
3794 mapping from MASK_FPU.
3796 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
3798 * sparc.md (call): Don't bound structure return size to 0xfff.
3800 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
3802 * resource.c (mark_target_live_regs): Check that the target
3803 insn wasn't created after compute_bb_for_insn.
3805 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
3807 * ggc-page.c (poison_pages): Don't be overzealous.
3809 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
3811 * alias.c: Update comments for ADDRESS.
3812 (nonlocal_reference_p): Look inside the ADDRESS to determine if
3813 it is a local memory reference.
3815 * c-typeck.c (build_function_call): Check that the built-in
3816 function is of class BUILT_IN_NORMAL before trying to recongize
3818 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
3819 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
3821 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
3823 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
3825 (pre_gcse): Likewise.
3826 (hoist_expr_reaches_here_p): Likewise.
3827 (hoist_code): Likewise.
3828 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
3830 (pre_expr_reaches_here_p_work): ... here.
3831 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
3833 (expr_reaches_here_p_work): ... here.
3835 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
3837 * resource.c (find_basic_block): Delete.
3838 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
3839 (init_resource_info): Call compute_bb_for_insn.
3841 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
3843 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
3844 with already adjacent blocks, but no fallthru.
3845 (merge_blocks_move_successor_nojumps): Simplify.
3846 (debug_flow_info): New.
3848 * toplev.c (rest_of_compilation): Open jump1 dump file before
3849 jump and close after, as opposed to just using dump_rtl.
3851 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3853 * reload.h (earlyclobber_operand_p): Declare.
3854 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
3855 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
3856 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
3857 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
3859 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
3860 Richard Henderson <rth@cygnus.com>
3862 * emit-rtl.c (emit_block_insn_before): New.
3863 (emit_block_insn_after): New.
3864 * basic-block.h: Declare them.
3866 * bitmap.h: Protect from multiple inclusion.
3868 * recog.c (scratch_operand): Handle VOIDmode correctly.
3870 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
3872 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
3873 * function.c (assign_parms): Likewise.
3874 * global.c (global_conflicts): Clarify STACK_REGS commentary.
3876 * reg-stack.c (max_uid): Remove.
3877 (blocks, block_begin, block_end, block_drops_in): Remove.
3878 (block_stack_in, block_out_reg_set, block_number): Remove.
3879 (struct block_info_def, BLOCK_INFO): New.
3880 (enum emit_where): New.
3881 (current_block): New.
3882 (BLOCK_NUM): Remove.
3883 (mark_regs_pat, record_label_references): Remove.
3884 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
3886 (goto_block_pat, print_blocks, dump_stack_info): Remove.
3887 (reg_to_stack): Simplified test for existance of fp code. Use
3888 flow.c code. Call shorten_branches after cross-jump opt.
3889 (check_asm_stack_operands): Renamed from record_asm_reg_life.
3890 Return false if the asm doesn't use stack regs. Don't do life
3891 analysis on the asm.
3892 (emit_pop_insn): Replace function pointer arg `when' with
3893 enum `where'. Update all callers.
3894 (change_stack): Likewise. Update basic block end.
3895 (emit_swap_insn): Use current_block->head to limit reverse search
3896 for start of block. Use emit_block_insn_after.
3897 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
3898 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
3899 structure assignment instead of bcopy.
3901 (convert_regs_entry, convert_regs_exit): New.
3902 (convert_regs_1, convert_regs_2): Split out from convert_regs.
3903 Work on basic blocks and the CFG.
3904 (convert_regs): Use them.
3906 * i386.c (output_fix_trunc): Remove code for DImode input operand
3907 not at top-of-stack.
3908 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
3910 (fix_truncdi_1): Allow any mode scratch.
3912 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
3914 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
3915 * linux.h, netbsd.h, vms.h: Not here.
3917 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
3919 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
3920 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
3921 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
3922 CONDITIONAL_REGISTER_USEAGE): Use them.
3923 * config/mips/mips.c (mips_move_1word,mips_move_2words,
3924 gen_conditional_branch,override_options) : Use them.
3925 * config/mips/mips.md : Use them.
3927 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
3929 * i386.md (zero_extendqihi2): Use SImode register name with andl.
3931 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
3933 * integrate.c (function_cannot_inline_p): Don't allow inlining
3936 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3938 * c-parse.in (cast_expr): Constify.
3940 * cccp.c (special_symbol): Likewise.
3942 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
3944 * dwarf2out.c (base_type_die): Likewise.
3946 * global.c (allocno_compare): Likewise.
3948 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
3950 * regclass.c (fix_register): Likewise.
3952 * rtl.h (fix_register): Likewise.
3954 * stupid.c (stupid_reg_compare): Likewise.
3956 * toplev.c (decode_f_option): Likewise.
3958 * tree.c (build_complex_type): Likewise.
3960 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
3962 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
3964 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3966 * reload.c (find_reloads): Compute mode and nregs fields of all
3968 * reload1.c (calculate_needs_all_insns): Simplify a bit.
3969 (calculate_needs): Use precomputed mode/nregs values.
3970 (allocate_reload_reg): Likewise.
3972 (failed_reload, set_reload_reg): ... new functions.
3973 (choose_reload_regs_init): New function, mostly broken out from...
3974 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
3975 Also lose one #if 0 block.
3977 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
3979 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
3982 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
3984 * tree.h (BLOCK_TYPE_TAGS): Remove.
3985 (BLOCK_END_NOTE): Likewise.
3986 (BLOCK_LIVE_RANGE_FLAG): Likewise.
3987 (BLOCK_LIVE_RANGE_START): Likewise.
3988 (BLOCK_LIVE_RANGE_END): Likewise.
3989 (tree_block): Remove live_range_flag, live_range_var_flag, and
3990 type_tags. Remove end_note, live_range_start, and live_range_end.
3991 (remember_end_note): Remove prototype.
3992 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
3993 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
3995 * ggc-common.c (ggc_mark_tree_children): Don't mark
3996 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
3997 * integrate.c (adjust_copied_decl_tree): Remove.
3998 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
3999 * stmt.c (last_block_end_note): Remove.
4000 (init_stmt): Don't add a GC root for it.
4001 (expand_fixup): Don't set it.
4002 (remember_end_note): Remove.
4003 (expand_end_bindings): Don't set last_block_end_note.
4005 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4007 * reload1.c (reload_reg_free_for_value_p): Show
4008 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
4011 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
4013 * expmed.c (extract_bit_field): Allow for the case of non-integer
4014 objects that are smaller than a word (like SFmode on a 64-bit
4017 * loop.c (basic_induction_var): A non-integer variable which is
4018 being set by a paradoxical subreg is probably not a biv.
4020 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4022 * prefix.c (translate_name) Check for empty prefix string.
4024 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
4026 * Makefile.in (CPP_CROSS_NAME): New variable.
4027 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
4029 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
4030 names of the files to be uninstalled.
4032 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
4034 * collect2.c (IS_DIR_SEPARATOR): Define.
4035 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
4037 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
4040 * haifa-sched.c (add_dependence): Update the true dependency
4041 cache the first time we add a true dependence to the LOG_LINKS chain.
4043 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
4045 * fold-const.c (fold): Fix comment.
4047 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4049 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
4050 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
4051 dbxout_start_new_source_file, dbxout_source_file,
4052 dbxout_source_line, dbxout_finish, dbxout_type_fields,
4053 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
4055 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
4056 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
4057 (dbxout_block): Initialize variable `blocknum'.
4059 * dbxout.h (dbxout_init, dbxout_finish,
4060 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
4061 dbxout_args, dbxout_source_line): Constify a char*.
4063 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
4064 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
4065 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
4066 low_pc_attribute, high_pc_attribute, body_begin_attribute,
4067 body_end_attribute, comp_dir_attribute, sf_names_attribute,
4068 src_info_attribute, mac_info_attribute, producer_attribute,
4069 lookup_filename, generate_macinfo_entry, fundamental_type_code,
4070 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
4071 dwarfout_undef): Constify a char*.
4072 (add_incomplete_type, retry_incomplete_types): Add prototypes.
4074 * dwarfout.h (dwarfout_define, dwarfout_undef,
4075 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
4077 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
4079 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
4080 (MULTILIB_ISA_DEFAULT): New.
4081 (MULTILIB_DEFAULTS): Use it.
4082 * config/mips/mips.c (): Remove the now unnecessary definition
4083 of MIPS_ISA_DEFAULT.
4084 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
4085 unnecessary definition.
4087 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
4089 * arm.md (pic_load_addr): Add constraints to operand 1.
4091 1999-10-25 Bruce Korb <autogen@linuxbox.com>
4093 * fixinc/genfixes: Provide a means for specifying -D options to
4096 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
4098 * arm.c (arm_override_options): Correct initialization of
4099 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
4100 arm_is_strong, and arm_is_6_or_7.
4102 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
4103 (note_set_pseudo_multiple_uses): New function.
4104 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
4105 if a pseudo set in the loop exit is used elsewhere.
4107 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
4109 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
4111 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
4113 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
4114 a single load-address pattern.
4116 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
4118 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
4119 depending on whether or not line-number notes are present.
4121 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4123 * cccp.c (progname, file_buf, default_include, include_file,
4124 macrodef, definition, hashval, wchar_type, user_label_prefix,
4125 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
4126 expand_to_temp_buffer, is_system_include, base_name,
4127 absolute_filename, read_name_map, open_include_file,
4128 record_control_macro, check_precompiled, check_preconditions,
4129 pcfinclude, pass_thru_directive, create_definition,
4130 check_macro_name, comp_def_part, collect_expansion,
4131 check_assertion, read_token_list, assertion_install,
4132 assertion_lookup, eval_if_expression, conditional_skip,
4133 validate_else, skip_quoted_string, quote_string, macarg1,
4134 error_from_errno, install, lookup, hashf, dump_defn_1,
4135 perror_with_name, pfatal_with_name, main, trigraph_pcp,
4136 check_white_space, rescan, handle_directive, monthnames,
4137 special_symbol, do_include, remap_include_file, write_output,
4138 arglist, do_assert, do_unassert, do_line, do_error, do_once,
4139 do_ident, do_sccs, do_xifdef, skip_if_group,
4140 output_line_directive, macroexpand, macarg, change_newlines,
4141 initialize_builtins, make_definition): Constify a char*.
4143 * pcp.h (stringdef): Likewise.
4145 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
4147 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
4150 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
4151 Richard Henderson <rth@cygnus.com>
4153 * alias.c: Include ggc.h.
4154 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
4155 (record_set): Verify enough room in reg_base_value.
4156 (init_alias_analysis): Allocate reg_base_value with xcalloc.
4157 Register it as a GC root.
4158 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
4159 * Makefile.in (alias.o): Depend on ggc.h.
4161 * unroll.c (unroll_loop): Verify the insn before a barrier
4162 is a JUMP_INSN before checking JUMP_LABEL.
4164 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4166 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
4167 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
4168 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
4169 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
4170 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
4171 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
4173 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4175 * output.h (ctors_section, dtors_section, bss_section): Prototype.
4177 * alpha/alpha-interix.h (text_section): Delete prototype.
4178 * alpha/elf.h (text_section): Likewise.
4179 * arm/linux-elf.h (text_section): Likewise.
4180 * arm/linux-telf.h (text_section): Likewise.
4181 * c4x/c4x.h (text_section): Likewise.
4182 * dsp16xx/dsp16xx.h (bss_section): Likewise.
4183 * elfos.h (text_section): Likewise.
4184 * i386/aix386ng.h (text_section): Likewise.
4185 * i386/i386-interix.h (text_section): Likewise.
4186 * i386/sco5.h (text_section): Likewise.
4187 * i386/svr3gas.h (text_section): Likewise.
4188 * nextstep.h (text_section): Likewise.
4189 * psos.h (text_section): Likewise.
4190 * ptx4.h (text_section): Likewise.
4191 * svr3.h (text_section): Likewise.
4192 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
4194 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4196 * final.c (peephole): Delete prototype.
4198 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
4199 (pre_insert_copies): Remove unused variable `bb'.
4201 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
4204 * output.h (peephole): Add prototype.
4206 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
4208 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
4211 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
4213 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
4214 for inlined declarations.
4216 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
4218 * arm.c (logical_binary_operator): New fucntion.
4219 * arm.h (logical_binary_operator): Declare it.
4220 (PREDICATE_CODES): Handle logical_binary_operator.
4221 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
4222 output constraints. Add appropriate splitters.
4223 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
4224 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
4225 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
4227 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4229 * genoutput.c (struct operand_data): New elt eliminable.
4230 (output_operand_data): Write it.
4231 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
4232 (compare_operands): Take it into account.
4233 * recog.h (struct insn_operand_data): New elt eliminable.
4234 * reload1.c (check_eliminable_occurrences, elimination_effects): New
4236 (old_asm_operands_vec, new_asm_operands_vec): Delete.
4237 (eliminate_regs): Move code that detects changes to elimination
4238 target regs into new function elimination_effects.
4239 Delete one #if 0 block.
4240 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
4241 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
4242 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
4243 Only call eliminate_regs for real operands of the insn, not for parts
4244 of its structure or parts matched by things like match_operator.
4245 Use elimination_effects and check_eliminable_occurrences. Use
4246 copy_insn to duplicate the pattern when not in the final pass.
4248 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
4250 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
4253 1999-10-22 Bruce Korb <autogen@linuxbox.com>
4255 * fixinc/README: document the "mach" machine matching test
4256 * fixinc/fixfixes.c: Implement the #else/#endif label fix
4257 * fixinc/fixtests.c: Implement the #else/#endif label test
4258 * fixinc/inclhack.def: utilize these tests and fixes
4259 * fixinc/inclhack.sh: regen
4260 * fixinc/fixincl.x: regen
4261 * fixinc/fixincl.sh: regen
4263 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
4265 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
4268 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
4270 * gcc.1: Document exit codes.
4272 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4274 * calls.c: Include tm_p.h later, so everything we need is defined.
4276 * function.c: Likewise.
4278 * except.c: Include tm_p.h.
4280 * sparc.c: Likewise.
4281 (dwarf2out_cfi_label): Don't prototype.
4282 (check_return_regs, epilogue_renumber,
4283 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4284 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
4285 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
4286 ultra_schedule_insn): Add static prototype.
4287 (data_segment_operand, text_segment_operand): Call itself with the
4288 proper number of arguments.
4289 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
4291 * sparc.h: Move all declarations to sparc-protos.h.
4292 (SELECT_RTX_SECTION): Pass a missing MODE argument to
4295 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
4297 * config/svr4.h (text_section, ctors_section, dtors_section): Add
4299 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
4300 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4301 ASM_OUTPUT_ASCII): Constify a char*.
4303 * sparc-protos.h: New file for sparc prototypes.
4305 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4307 * function.c (record_insns, contains): Always declare and define.
4308 (record_insns): Mark with ATTRIBUTE_UNUSED.
4310 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4312 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
4313 to .section when outputting a .bss section to deal with multiple
4314 .bss input sections (as happens with -fdata-sections)
4315 Also output %progbits, not @progbits so the assembler doesn't treat as
4317 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
4319 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
4320 thumb parts even when building with non-thumb CPUs, by forcing
4323 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
4325 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
4326 (movdf_const_intreg_sp64): Similarly.
4328 * local-alloc.c (update_equiv_regs): Check the correct insn
4329 for pre-existing REG_EQUIV notes.
4331 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
4333 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
4334 block reached by a branch if we're not going to actually process
4337 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
4339 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
4340 a local extern function declaration.
4342 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
4344 * i386.c (ix86_expand_prologue): Properly wrap USE around
4345 reg for CALL_INSN_FUNCTION_USAGE.
4347 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
4349 * config/mips/mips.md (movdf_internal1a): Allow floating-point
4350 move between GP_REGs.
4352 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
4354 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
4355 the mode size when finding out if an offset is legal.
4357 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
4359 * basic-block.h (PROP_*): Move constants from ...
4361 (compute_bb_for_insn): Free the array before reallocating.
4362 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
4363 (allocate_reg_life_data): Reset all reg variables collected by
4365 (get_block_head_tail): Don't convert from bb to block.
4366 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
4367 (find_insn_reg_weight): Take block not bb.
4368 (schedule_block): Don't set block num for moved insns.
4369 (schedule_region): Don't update_life_info or find_insn_reg_weight.
4370 (schedule_insns): Do it here instead.
4371 * combine.c (combine_instructions): Invoke compute_bb_for_insn
4372 before update_life_info.
4373 * recog.c (split_all_insns, peephole2_optimize): Update for
4374 new arg to update_life_info.
4375 * rtlanal.c (remove_note): Cope with NULL note.
4376 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
4379 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
4381 * jump.c (jump_optimize_1): More accurately detect casesi insns.
4383 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
4384 block records so that merge_blocks_nomove will clean up correctly.
4385 (split_edge): Handle casesi insns.
4387 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
4389 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
4391 * pa.md (call, call_value): Do not emit a blockage after restoring
4394 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
4396 * c-typeck.c (c_expand_asm_operands): Fix typo.
4398 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4400 * arm.c (fpu_rhs_operand): Verify modes.
4401 (fpu_add_operand): Likewise.
4402 (di_operand): Likewise.
4403 (soft_df_operand): Likewise.
4405 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
4407 * arm.c (arm_return_in_memory): APCS rules state that the elements
4408 of a structure returned in a register must be 'integer-like'.
4410 1999-10-19 Bruce Korb <autogen@linuxbox.com>
4412 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
4413 in the source tree when the generated targets are out of date
4414 * fixinc/genfixes: Alter it to run individual fixes for make.
4415 * fixinc/README: rewrite
4416 * fixinc/inclhack.def: moved initial comments to README
4418 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
4420 * toplev.c (main): Do not generate an error message if an
4421 unrecognised command line switch is recognisable by another
4422 language. If extra_warnings are enabled, then generate a
4423 warning message instead.
4425 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
4427 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
4428 (insert_pack_attributes): Delete prototype.
4430 * c-pragma.c (default_alignment): New static variable.
4431 (push_alignment): Initialize to current effective alignment.
4432 (pop_alignment): Use to set new alignment.
4433 (insert_pack_attributes): Delete function.
4434 (handle_pragma_token): Set default_alignment as well each time
4435 a #pragma pack(<n>) is encountered.
4437 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
4439 * reg-stack.c (stack_result): Aggregates are not returned in
4442 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
4444 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
4446 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
4448 * basic-block.h (set_block_num): Declare.
4449 * flow.c (update_life_info): Don't call compute_bb_for_insn
4450 or free_basic_block_vars.
4451 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
4452 (insn_orig_block): Remove.
4453 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
4454 (schedule_block): Keep BLOCK_NUM up-to-date.
4455 (schedule_insns): Use compute_bb_for_insn.
4456 * recog.c (split_all_insns): Likewise.
4457 (peephole2_optimize): Likewise.
4459 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
4461 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
4462 if the pic register is used.
4464 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4466 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
4467 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
4468 if that tests TREE_PERMANENT.
4470 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
4472 * cse.c (invalidate_for_call): Do not remove memory references from
4473 the table here. It's handled elsewhere.
4475 * haifa-sched.c (add_dependence): Protect references to the
4476 true dependency cache with #ifdef INSN_SCHEDULING.
4477 (remove_dependence): Similarly.
4479 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
4480 to the cfg code that this is a return instruction.
4481 * mn10300.md (return_internal): Similarly.
4483 * combine.c (get_last_value): If the last set of a register
4484 is after subst_low_cuid, then we can not use it to determine
4485 the register's last value.
4487 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4489 * Makefile.in: Back out previous change.
4491 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
4493 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
4495 * haifa-sched.c (add_dependence): Only check/update the cache
4497 (remove_dependence): Likewise.
4498 (schedule_insns): Only create the true_dependency_cache if the
4499 average number of instructions in a basic block is very large.
4501 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4503 * Makefile.in (ggc-common.o): Depend on genrtl.h.
4504 (ggc-simple.o): Likewise.
4505 (ggc-page.o): Likewise.
4507 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
4509 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
4510 Prototype for exported functions.
4511 (pre_lcm, pre_rev_lcm): Remove prototypes.
4512 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
4513 (compute_available): Move to lcm.c, and change parameter order.
4514 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
4515 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
4516 (gcse_main): No longer call compute_preds_succs. Rebuild the
4517 set table after reach pre pass.
4518 (pre_insert_map, pre_delete_map, edge_list): New.
4519 (alloc_pre_mem): Allocate edge vectors.
4520 (free_pre_mem): Delete edge vectors.
4521 (compute_pre_data): Call new edge based lcm routines.
4522 (process_insert_insn): New function.
4523 (insert_insn_end_bb): Use it.
4524 (pre_edge_insert): New function.
4525 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
4527 (pre_insert_copies): Revamp using new edge based lcm outputs.
4528 (pre_delete): Likewise.
4529 (one_pre_gcse_pass): Insert & remove fake edges to the exit
4531 (compute_code_hoist_vbeinout): New new edge based routines.
4532 * lcm.c: Remove all the old LCM functions. Replace with new ones
4533 that work with the new cfg datastructures and work with edges
4536 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4538 * reload.h (struct reload): Add new fields "mode" and "nregs".
4539 * reload1.c: Change all occurrences of reload_mode and reload_nregs
4540 to reference the "mode" and "nregs" field within struct reload.
4542 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
4544 * haifa-sched.c (true_dependency_cache): New.
4545 (add_dependence): Use the true dependency cache to avoid expensive
4546 walks down the LOG_LINKS dependency list. Add entries to the
4548 (remove_dependence): Remove entries from the true dependency cache
4550 (schedule_insns): Allocate and initialize and free the true
4553 * haifa-sched.c (schedule_insns): Do not remove inter-block
4554 dependencies anymore.
4556 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
4558 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
4559 * i386/t-winnt: Likewise.
4561 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
4563 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
4565 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
4567 * Makefile.in (LANGUAGES): Omit "proto".
4568 (clean): Remove stale comment about removing unprotoize.c.
4570 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4572 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
4573 using arithmetic on void pointers.
4575 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
4577 * haifa-sched.c (compute_block_forward_dependencies): Only check
4578 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
4580 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
4582 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
4583 (expr_equiv_p): Reject memories with different alias sets.
4585 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
4587 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
4588 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
4589 (f_options): Add "bounded-pointers" and "bounds-check" entries.
4590 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
4591 (lang_init): Set default for flag_bounds_check if still "unspecified".
4593 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4595 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
4597 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4599 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
4602 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4604 * config/c4x/c4x.md (*db_noclobber,
4605 *decrement_and_branch_until_zero_noclobber): New patterns and
4606 associated splitters.
4608 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4610 * config/c4x/c4x.md (parallel instruction patterns): Rework
4611 constraints to keep reload happy.
4613 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4615 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
4616 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
4617 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
4618 Add new patterns and associated post-reload splitters.
4620 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4622 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
4624 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4626 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
4628 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
4630 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4632 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
4635 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
4637 * pa.c (move_operand): Rely on memory_address_p to determine the
4638 validity of non-indexed memory addresses.
4639 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
4640 operand in DFmode and SFmode when generating PA2.0 code.
4642 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
4644 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
4646 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
4648 * mips.c (function_prologue): Fix argument types.
4649 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
4650 (casesi_internal): Write to the scratch register.
4652 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
4654 * cppexp.c (cpp_parse_escape): Make static. Change second arg
4656 (parse_charconst): Delete unnecessary cast when calling
4658 (cpplib.h): Kill prototype of cpp_parse_escape.
4660 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
4662 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
4663 * unroll.c (unroll_loop): Cast return value of alloca.
4664 * i370/i370.c: Include function.h and toplev.h.
4665 (i370_label_scan): Remove c++ commented abort.
4666 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
4667 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
4668 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
4669 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
4671 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
4673 * config/t-freebsd: Do not override USER_H.
4674 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
4676 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
4677 Mumit Khan <khan@xraylith.wisc.edu>
4679 * c-parse.in (component_decl): Support anonymous struct/union.
4681 * c-parse.y: Regenerate.
4682 * c-parse.c: Likewise.
4683 * objc/objc-parse.y: Likewise.
4684 * objc/objc-parse.c: Likewise.
4685 * c-decl.c (finish_struct): Don't sort the fields.
4686 (field_decl_cmp): Delete unused function.
4688 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
4690 * sparc.md (movsf_const_intreg): Revert last constraint change.
4691 (movdf_const_intreg_sp32): Likewise.
4693 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
4695 * cse.c: Include hashtab.h instead of splay-tree.h
4696 (struct cse_reg_info): No longer use variant union. Add new
4697 field "regno". All references changed to avoid union.
4698 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
4699 (free_cse_reg_info): Remove.
4700 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
4701 (get_cse_reg_info): Revamp to use expandable hash tables instead
4702 of splay trees. Initialize new fields in cse_reg_info structure.
4703 (new_basic_block): Similarly.
4705 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
4707 * genrecog.c (message_with_line): Prototype.
4708 (validate_pattern): Pass along the set for the dest, not a flag.
4709 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
4710 Check for PC/CC0 as sources.
4711 (nodes_identical): Check for children position match before
4712 allowing the combination.
4714 * rtl.c (read_rtx): Track line number across \\\n.
4716 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
4718 * mips.h (SPECIAL_MODE_PREDICATES): New.
4719 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
4720 (movdi+1, movsi+1): Add output reload constraint.
4721 (casesi_internal): Likewise. Fix commentary.
4722 (return_internal): Use pmode_register_operand.
4724 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
4726 * 1750a.md (movstrqi): Add missing output reload constraint.
4727 (call_value): Likewise.
4728 * a29k.md (cpxxx patterns): Add missing match_operator mode.
4729 (jmpfdec): Add missing inout reload constraint.
4730 * elxsi.md (addsi patterns): Add missing output reload constraint.
4731 (move from sp): Use @ alternates.
4732 (call_value): No constraint on output.
4733 * fr30.md (movsi_pop): Add missing output reload constraint.
4734 (movsf_constant_store): Likewise.
4735 (splits): Remove constraints.
4736 (subsi3): Add missing mode.
4737 * i370.md (cmpstrsi+1): Add missing output reload constraint.
4738 (call_value): Likewise.
4739 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
4740 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
4741 * m32r.md (movsicc_internal): Add output reload constraint.
4742 (movstrsi_internal): Add inout reload constraints.
4743 * m88k.h (reg_names): Don't declare.
4744 (SPECIAL_MODE_PREDICATES): New.
4745 * m88k.md (*): Use register_operand not reg_or_0_operand
4747 * mn10200.h (PREDICATE_CODES): New.
4748 * ns32k.md (ffs pattern): Add output reload constraint.
4749 * pdp11.md (sob pattern): Add inout reload constraint.
4750 * sh.md (splits): Remove constraints.
4751 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
4752 * v850.md (pattern_is_ok_for_epilogue): Likewise.
4753 * vax.md (jgequ pattern): Add inout reload constraint.
4755 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
4757 * configure.in (djgpp): Revert previous patch.
4758 * configure: Rebuit.
4759 * config/i386/djgpp.h: Revert previous patch.
4761 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
4763 * fixinc/inclhack.def: Restore patch lost during last merge of
4764 "no_bogosity" branch.
4765 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
4767 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
4769 * fixincludes: Add a HPUX 11 fix for inttypes.h.
4770 * fixinc/inclhack.def: Same.
4771 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
4773 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
4775 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
4776 as the base of a PLUS.
4778 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4780 * config/c4x/c4x.md: Define mode for remaining unspec operators.
4781 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
4783 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
4785 * pa.md (post_stw+1): Use pmode_register_operand.
4786 (dcacheflush, icacheflush): Likewise.
4788 * i386.md (movstricthi_1): Allow r/r.
4790 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
4792 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
4793 to (not (and (arg0) (arg1))). Similary for and.
4795 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
4796 fallthrough to associate code.
4797 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
4800 * combine.c (simplify_logical): Convert XOR to IOR if operands have
4801 no bits in common; remove XOR to ROTATE conversion.
4803 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4805 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
4807 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4809 * config/c4x/c4x.c (dst_operand): New.
4810 (PREDICATE_CODES): Update.
4811 * config/c4x/c4x.h (dst_operand): Declare it.
4812 * config/c4x/c4x.md: Define mode for each unspec usage.
4813 (move patterns): Use dst_operand predicate instead of src_operand.
4814 (movqi_update, movqf_update): Delete.
4816 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
4818 * recog.c (pmode_register_operand): New.
4819 * recog.h: Declare it.
4820 * genrecog.c (pred_codes): Likewise.
4821 (special_mode_pred_table): Likewise.
4822 (validate_pattern): Don't warn no mode for address_operand.
4824 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
4825 if the operand is not insn-like.
4827 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
4828 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
4830 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
4832 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
4834 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
4835 instead of general_operand in a SET_DEST. Use const_double_operand
4836 instead of an explicit test against CONST_DOUBLE.
4837 (movsf_const_lo): Add missing register mode.
4838 (goto_handler_and_restore): Add auxiliary test for Pmode.
4839 (flush): Adjust to use address_operand.
4840 (return_sf_no_fpu): Add missing output constraint.
4842 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
4844 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
4845 for call return value.
4846 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
4848 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
4850 * toplev.c (main): Only warn about options for other languages.
4851 * collect2.c (main): Pass -w to sub-gcc.
4853 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
4855 * flow.c (propagate_block): Add call-clobbered registers to
4858 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
4859 zapping mem_set_list.
4860 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
4861 (mark_set_1, mark_used_regs): Likewise.
4863 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
4865 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
4867 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4869 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
4870 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
4871 options. Also add a new item "C-only Warning Options" to the
4874 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
4876 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
4877 from multiple calls.
4879 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
4881 * i386.md (call value patterns): Move to the end of the file.
4882 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
4884 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
4886 * configure.in (djgpp configuration): Define extra_objects..
4887 * configure: Rebuilt.
4888 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
4889 (DTORS_SECTION_ASM_OP): Define.
4890 (INIT_SECTION_ASM_OP): Define.
4891 (FINI_SECTION_ASM_OP): Define.
4892 (DATA_SECTION_ASM_OP): Define.
4893 (TEXT_SECTION_ASM_OP): Define.
4894 (EH_FRAME_SECTION_ASM_OP): Define.
4895 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
4896 (STARTFILE_SPEC): Add crtbegin.o.
4897 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
4898 to here from LINK_COMMAND_SPEC.
4899 (DO_GLOBAL_CTORS_BODY): Define.
4900 (CRTSTUFF_USE_FINI_SECTION): Define
4901 (HAS_INIT_SECTION): Delete.
4903 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
4905 * Makefile.in (all.cross): Depend on xcpp$(exeext).
4907 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
4909 * pa.h (PREDICATE_CODES): New.
4911 * genrecog.c (validate_pattern): Condense the destination
4914 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
4916 * alpha.md (call-1): Supply missing mode for operator.
4917 (*): Add missing output reload constraints. Remove constraints
4920 * i386.h (SPECIAL_MODE_PREDICATES): New.
4921 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
4922 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
4923 (addsi_lea_3): Add missing mode for op 3.
4924 (prologue_set_got, prologue_get_pc): Add missing modes.
4925 (*) Add missing output reload constraints.
4927 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
4929 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
4930 check for member bit-size overflow and use var_size if it occurs.
4931 (layout_record): Use bitsize_int() to define the type size in bits.
4932 Likewise for computation and assignment to DECL_FIELD_BITPOS.
4933 (layout_decl): Likewise when assigning to DECL_SIZE.
4935 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
4937 * genrecog.c (validate_pattern): Typo last change. Verify
4938 that output operands have output reloads.
4940 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
4942 * genrecog.c (special_mode_pred_table): New.
4943 (NUM_SPECIAL_MODE_PREDS): New.
4944 (find_operand): New.
4945 (validate_pattern): New argument `insn'. Warn for assignment to
4946 any predicate accepting non-lvalues. Conditionaly warn for
4947 match_operand without a mode. Try much harder to match source
4948 and destination modes on a set.
4949 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
4951 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
4953 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
4955 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
4957 * combine.c (simplify_logical): Recognize xor pattern that encodes
4960 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4962 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
4965 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
4967 * ggc-page.c (MAP_FAILED): Provide default.
4969 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
4971 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
4972 * sparc.h (PREDICATE_CODES): Update.
4974 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
4976 * alpha.c (some_ni_operand): New.
4977 * alpha-protos.h: Declare it.
4978 * alpha.h (PREDICATE_CODES): Update.
4979 * alpha.md (sXaddq reload insns): Use some_ni_operand
4980 for SET_DEST instead of some_operand.
4982 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
4983 Jim Wilson <wilson@cygnus.com>
4985 * genrecog.c (maybe_both_true_2): Don't compare modes of
4987 (process_tree): Elide peephole2_insns. Invoke simplify_tests
4988 after find_afterward.
4989 (debug_decision_1): Dump next and afterward codes.
4991 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
4993 * rtl.c (dump_and_abort): Remove.
4994 (fatal_with_file_and_line): New.
4995 (fatal_expected_char): New.
4996 (read_rtx_lineno, read_rtx_filename): New.
4997 (read_skip_spaces): Track line number.
4998 (read_name): Use fatal_with_file_and_line.
4999 (read_rtx): Use fatal_expected_char. Track line number.
5000 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
5002 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
5003 if it isn't a CODE_LABEL.
5005 * genattr.c (main): Set read_rtx_filename.
5006 * genattrtab.c (main): Likewise.
5007 * gencodes.c (main): Likewise.
5008 * genconfig.c (main): Likewise.
5009 * genemit.c (main): Likewise.
5010 * genextract.c (main): Likewise.
5011 * genflags.c (main): Likewise.
5012 * genopinit.c (main): Likewise.
5013 * genoutput.c (main): Likewise.
5014 * genpeep.c (main): Likewise.
5016 * genrecog.c (decision_test.u.insn): Add `lineno'.
5017 (pattern_lineno, error_count): New variables.
5018 (message_with_line): New.
5019 (add_to_sequence): Break out checking code to ...
5020 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
5021 (merge_insn): Use message_with_line.
5022 (make_insn_sequence): Use validate_pattern. Record insn lineno.
5023 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
5025 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5027 * expr.c (store_constructor): Clear union if constructor is empty.
5029 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
5031 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
5032 Add !endian checks. Change %{...} to %(...).
5034 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
5036 * i386.md (*addsi3_cc): Renamed from addcsi3.
5037 (*addsi3_carry): Renamed from addxsi3.
5038 (*subsi3_cc): Renamed from subcsi3.
5039 (*subsi3_carry): Renamed from subxsi3.
5040 (*xorqi_cc_1): Renamed from xorcqi_1.
5041 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
5042 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
5044 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
5046 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
5047 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
5049 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
5051 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
5052 climb up the chain of insns.
5054 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
5056 * genrecog.c (write_subroutine): Careful for null trees.
5057 (process_tree): Don't elide empty functions.
5059 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
5061 * Makefile.in (genrtl.o): Depend on ggc.h.
5062 * configure.in (valloc): Probe for it.
5063 (with-gc): Use ggc-page if valloc present.
5064 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
5065 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
5066 (ggc_alloc_string): Moved from ggc-page.c.
5067 * ggc-none.c (ggc_alloc_obj): New.
5068 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
5069 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
5070 (struct globals): Likewise for dev_zero_fd.
5071 (init_ggc): Likewise for it's initialization.
5072 (ggc_allocated_p): Move careful dereference from ...
5073 (ggc_lookup_page_table): ... here. Delete.
5074 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
5075 (alloc_anon): Use valloc if no mmap.
5076 (release_pages): Use free if using valloc.
5077 (ggc_alloc_obj): Renamed from alloc_obj.
5078 (ggc_set_mark): Renamed from mark_obj.
5079 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
5080 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
5081 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
5082 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
5083 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
5084 (ggc_collect): Use fp printing instead of our own rounding.
5085 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
5086 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
5087 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
5088 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
5089 (struct ggc_string, struct ggc_any): Delete.
5090 (offsetof): Provide default definition.
5091 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
5093 (struct ggc_mem): New, from corpse of ggc_any.
5094 (struct ggc_status): Delete.
5095 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
5096 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
5097 (n_strings_collected, n_anys_collected): Delete.
5098 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
5099 (ggc_alloc_string, ggc_alloc): Delete.
5100 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
5101 (ggc_free_string, ggc_free_any): Delete.
5102 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
5103 (ggc_compare_addresses, ggc_mark_string): Delete.
5104 (ggc_mark_string_if_gcable, ggc_mark): Delete.
5105 (search_data): Delete.
5106 (struct globals): New.
5107 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
5108 (tree_insert, tree_lookup): New.
5109 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
5110 (clear_marks, sweep_objs): New.
5111 (ggc_collect): Gut. Use clear_marks, sweep_objs.
5112 (init_ggc): Set allocated_last_gc.
5113 (ggc_push_context): Gut. Use G.context.
5114 (ggc_pop_context): Likewise.
5115 (ggc_pop_context_1): New.
5116 (debug_ggc_tree): New.
5117 (debug_ggc_balance, tally_leaves): New.
5118 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
5119 (ggc_mark_string_if_gcable): Remove decl.
5120 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
5121 (ggc_mark_rtvec_children): New.
5122 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
5123 (ggc_mark_if_gcable): New decl.
5124 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
5125 (ggc_alloc_tree, ggc_alloc): Likewise.
5126 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
5127 (ggc_alloc_obj): New decl.
5128 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
5129 (ggc_alloc_tree, ggc_alloc): Likewise.
5130 (ggc_set_mark): New decl.
5131 * rtl.h (struct rtx_def): Remove gc_mark.
5132 (struct rtvec_def): Likewise.
5133 * tree.h (struct tree_common): Likewise.
5135 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
5137 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
5138 float_format and thread_file definitions.
5139 * configure: Rebuilt.
5141 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
5143 * extend.texi (Function Names): Document types of function names.
5145 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5147 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
5148 an earlyclobbered output conflict with RELOAD_INPUT reloads.
5150 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5152 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
5154 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5156 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
5158 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
5160 * collect2.c (main): Do prelimnary link on AIX if rflag.
5162 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5164 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
5165 __CTOR_LIST__ in opposite order, which is the correct order for sorted
5167 (__do_global_dtors): similarly for __DTOR_LIST__.
5169 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5170 Diego Novillo <dnovillo@cygnus.com>
5172 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
5175 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
5177 * fixincl/*: Merged "no_bogosity" branch
5178 * fixincl/fixlib.h: protect against doubly defining t_bool
5179 * fixincl/server.h: protect against doubly defining t_bool
5181 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
5183 * genoutput.c: Include toplev.h.
5185 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
5187 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5189 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
5190 * configure: Regenerate.
5192 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
5194 * gcse.c (delete_null_pointer_checks): Returns void.
5196 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5198 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
5199 * emit-rtl.c (copy_insn_1): Likewise.
5201 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5203 * config/mips/mips.c (mips_build_va_list): Correct
5204 TREE_CHAIN setting when hard-float.
5205 (mips_va_start): Use corrected setting.
5206 (mips_va_arg): Likewise. Also pass a tree to build of
5207 POSTINCREMENT_EXPR rather than a naked 'int'.
5209 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
5211 * ggc.h (ggc_push_context): Fix comment.
5212 (ggc_pop_context): Likewise.
5213 (mark_string_if_gcable): Likewise.
5214 * ggc-common.c (ggc_mark_rtx_children): Use
5215 ggc_mark_string_if_gcable.
5216 * ggc-page.c (ggc_lookup_page_table): New function.
5217 (ggc_allocated_p): Likewise.
5218 (mark_obj): Fix formatting.
5219 (ggc_mark_string_if_gcable): New function.
5220 * ggc-simple.c (ggc_allocated_strings): New variable.
5221 (ggc_strings_used): Likewise.
5222 (ggc_compare_addresses): New function.
5223 (ggc_pop_context): Pop the `any' memory too.
5224 (ggc_mark_string_if_gcable): New function.
5225 (ggc_collect): Initialize and tear down ggc_allocated_strings.
5227 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
5229 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
5230 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
5231 * rs6000.c (expand_block_move): Match movstrsi_?reg register
5234 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
5236 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
5237 (sched_reg_live_length, sched_reg_basic_block): Delete.
5238 (current_block_num, bb_live_regs, old_live_regs): Delete.
5239 (dead_notes, struct sometimes): Delete.
5240 (sched_note_set, birthing_insn_p): Delete.
5241 (adjust_priority): Gut useless reg lifetime code.
5242 (create_reg_dead_note, attach_deaths): Delete.
5243 (attach_deaths_insn, new_sometimes_live): Delete.
5244 (finish_sometimes_live): Delete.
5245 (find_pre_sched_live, find_post_sched_live): Delete.
5246 (update_reg_usage): Delete.
5247 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
5248 (schedule_insns): Delete reg lifetime code.
5249 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
5250 (unlink_other_notes): Adjust REG_NOTE commentary.
5251 (reemit_notes): Use REG_SAVE_NOTE.
5252 (schedule_block): Likewise.
5253 (schedule_region): Allocate bitmap of blocks in region. Use
5254 count_or_remove_death_notes. Use update_life_info.
5256 * rtl.h (REG_SAVE_NOTE): New.
5257 * rtl.c (reg_note_name): Update.
5259 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
5261 * combine.c (refresh_blocks, need_refresh): New.
5262 (combine_instructions): Allocate refresh_blocks. Invoke
5263 update_life_info if needed.
5264 (distribute_notes): Mark refresh_blocks instead of installing
5266 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
5267 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
5269 * Makefile.in (recog.o): Depend on basic-block.h.
5271 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
5273 * genrecog.c (add_to_sequence): Thinko last change: delete
5274 shadowing allow_const_int variable.
5276 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5278 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
5279 __GNUC__ and __GNUC_MINOR__.
5281 * gansidecl.h: Likewise.
5287 * toplev.h: Likewise.
5293 * varray.c: Likewise.
5295 * varray.h: Likewise.
5297 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5299 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
5300 use one before a jump table.
5302 * rtl.def (ADDRESS): Change documentation to match reality.
5303 * md.texi: Don't document it.
5304 * gmicro.md (load address pattern): Use 'p' constraint, delete use
5307 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
5309 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
5311 * genrecog.c (add_to_sequence): Move allow_const_int test outside
5312 known predicate block; default allow_const_int true.
5313 (debug_decision_list): New.
5315 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
5317 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
5319 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
5321 * gcse.c (gcse_main): Avoid global optimizations if we have a
5322 large number of basic blocks and the ratio of edges to blocks
5324 (delete_null_pointer_checks): Likewise.
5326 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
5328 * c-common.c (check_format_info): Warn if format string isn't a
5331 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5333 * configure.in (arm*-*-*): Don't let autoconf remove brackets
5334 * configure: regenerate
5336 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
5338 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
5339 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
5340 (peepholes): Re-enable.
5342 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
5344 * Makefile.in (flow.o): Depend on TREE_H.
5345 * basic-block.h (REG_SET_EQUAL_P): New.
5348 (free_regset_vector): Remove declaration.
5349 (flow_delete_insn_chain): Declare.
5350 (enum update_life_extent): New.
5351 (update_life_info, count_or_remove_death_notes): Declare.
5352 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
5353 Verify register live at bb->global_live_at_start before adding USE.
5354 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
5355 (CLEAN_ALLOCA): New.
5357 (PROP_*): New flags.
5358 (find_basic_blocks_1): Use alloc_EXPR_LIST.
5359 (clear_edges): Zero n_edges.
5360 (make_edge): Increment n_edges.
5361 (split_edge): Don't allocate bb->local_set. Increment n_edges.
5362 (flow_delete_insn_chain): Export.
5363 (delete_block): Decrement n_edges.
5364 (merge_blocks_nomove): Likewise.
5365 (life_analysis): Give life_analysis_1 PROP flags.
5366 (verify_wide_reg_1, verify_wide_reg): New.
5367 (verify_local_live_at_start): New.
5368 (update_life_info): Rewrite to call into propogate_block.
5370 (mark_regs_live_at_end): After reload, if epilogue as rtl,
5371 always mark stack pointer. Conditionally mark PIC register.
5372 After reload, mark call-saved registers, return regsiters.
5373 (life_analysis_1): Accept PROP flags not remove_dead_code.
5374 Call mark_regs_live_at_end before zeroing regs_ever_live.
5375 Use calculate_global_regs_live. Copy global_live_at_end before
5376 calling final propagate_block. Zero reg_next_use on exit.
5377 (calculate_global_regs_live): New.
5378 (allocate_bb_life_data): Don't allocate bb->local_set.
5379 (init_regset_vector, free_regset_vector): Remove.
5380 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
5381 Test flags before every operation. Warn if prologue/epilogue insn
5382 would have been deleted.
5383 (mark_set_regs, mark_set_1): Accept and use FLAGS.
5384 Use alloc_EXPR_LIST.
5385 (mark_used_regs): Accept and use FLAGS, not FINAL.
5386 Remove special handling for RETURN.
5387 (try_pre_increment): Use alloc_EXPR_LIST.
5388 (dump_flow_info): Dump n_edges.
5389 (unlink_insn_chain, split_hard_reg_notes): Remove.
5390 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
5391 (find_insn_with_note, new_insn_dead_notes): Remove.
5392 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
5393 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
5394 (replace_insns): Remove.
5395 (count_or_remove_death_notes): New.
5396 (verify_flow_info): Abort on error after all checks.
5397 (remove_edge): Decrement n_edges.
5398 (remove_fake_edges): Tweek format.
5399 * haifa-sched.c (schedule_insns): Use split_all_insns.
5400 * output.h (update_life_info): Remove declaration.
5401 * recog.c (split_all_insns): From the corpse of split_block_insns,
5402 do the whole function block by block. Use update_life_info.
5403 (recog_last_allowed_insn): New.
5404 (recog_next_insn): Mind it.
5405 (peephole2_optimize): Set it. Walk backwards through blocks.
5406 Use update_life_info.
5407 * rtl.h (update_flow_info, replace_insns): Remove declarations.
5408 (split_all_insns): Declare.
5409 * toplev.c (rest_of_compilation): Thread prologue before flow2.
5410 Use split_all_insns.
5412 * i386.md (or -1 peep2s): Disable.
5414 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
5416 * config/mips/mips.md (movstrsi+[123]) : Combine these into
5417 a single pattern. Scrap the 'd' versions as unnecessary.
5419 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
5420 tablejump_mips162,tablejump_internal4): The operands to a
5421 label_ref must be VOIDmode.
5423 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5425 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
5427 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5429 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
5431 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5433 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
5434 cache every function if ggc_p.
5436 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5438 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
5439 instead of copy_rtx. Accept sequences that contain asm statements.
5440 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
5441 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
5442 orig_asm_operands_vector, copy_asm_operands_vector,
5443 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
5445 * rtl.h (copy_insn, copy_insn_1): Declare.
5447 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5449 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
5451 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
5452 arguments to `current_file_function_operand'.
5454 * genrecog.c: Include hard-reg-set.h and resource.h in the
5455 generated output file.
5457 * real.c: Include tm_p.h.
5459 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5461 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
5464 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
5466 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
5467 before the fctiwz insn.
5469 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5470 Mark Mitchell <mark@codesourcery.com>
5472 * tree.c (make_lang_type_fn): New funtion pointer.
5473 (make_lang_type): Call it.
5474 * tree.h (make_lang_type): Declare.
5475 (make_lang_type_fn): Likewise.
5476 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
5478 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
5480 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
5481 make sure that HIGH instructions are copied into BASE_REGS.
5483 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
5485 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
5487 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
5489 * c-decl.c (finish_struct): Use simpler method of
5490 removing elements of a singly-linked list.
5492 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
5494 * alpha.md (peephole2's): Comment out peephole2's that generate
5497 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
5499 * genrecog.c (add_to_sequence): Disable mode check for
5502 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5504 * ggc-simple.c (init_ggc): Set empty_string.
5506 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
5508 * configure.in: Detect mmap. Add --with-gc=foo to select
5509 garbage collector; default to page if mmap available.
5510 * Makefile.in (GGC): Substitute.
5512 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
5514 * c-decl.c (ggc_p): Enable.
5516 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5518 * flow.c (verify_flow_info): Make it extern & unconditionally define.
5520 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
5522 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
5523 string for little-endian-data.
5525 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
5527 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
5528 case somebody tries to compile --enable-checking code with gcc
5531 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
5533 * genrecog.c (add_to_sequence): Verify operand to label_ref is
5536 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
5538 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
5539 * jump.c (jump_optimize_1): Document why.
5541 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5543 * collect2.c (scan_prog_file, scan_libraries): Prototype function
5544 pointers and casts for `int_handler' and `quit_handler'.
5546 * flow.c (verify_flow_info, split_hard_reg_notes,
5547 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
5548 remove_edge, remove_fake_successors): Add static prototypes.
5549 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
5550 (mark_set_1): Initialize variable `regno'.
5551 (unlink_insn_chain): Likewise for variable `curr'.
5552 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
5554 * loop.c (strength_reduce): Initialize variable
5555 `unrolled_insn_copies'.
5556 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
5557 prototypes. Change these functions to take const PTR parameters
5558 to avoid prototype conflict when used as the comparson argument
5560 (check_dbra_loop): Initialize variable `comparison_val'.
5562 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
5563 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
5564 (find_valid_class): Initialize variable `best_class'.
5565 (find_reloads): Call memcpy, not bcopy.
5567 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
5568 (hard_reg_use_compare): Don't needlessly cast away const.
5569 (reload_reg_class_lower): Likewise.
5570 (choose_reload_regs): Initialize variable `regno'.
5572 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
5574 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
5576 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
5578 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
5579 ({,d}discard): Add forward declarations. Declare parameter as
5581 (main_without_main): Explicitly declare return type to be int.
5582 (memcpy): Properly declare.
5584 * libgcc2.c (toplevel): If inhibit_libc is defined and not
5585 building the trampoline support, declare malloc, free, and
5587 (__clear_cache): Mark arguments as potentially unused.
5589 * frame.c (toplevel): If inhibit_libc is defined, declare
5592 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
5594 * flow.c (make_edge): Accept an optional 2D bitmap in which
5595 to cache edge existence. Update all callers.
5596 (make_label_edge, make_eh_edge): Pass through the edge cache.
5597 (make_edges): Provide the cache.
5599 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5601 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
5603 (local_mbtowc): Change the type of variable `i' from int to size_t.
5605 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
5606 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
5608 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
5610 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
5611 after other includes that define the appropriate types. Include
5612 tm_p.h for getting user prototypes.
5613 * ggc-callbacks.c (toplevel): Ditto.
5614 * ggc-none.c (toplevel): Ditto.
5615 * gcc-page.c (toplevel): Ditto.
5616 * ggc-simple.c (toplevel): Ditto.
5618 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
5619 Jonathan Larmour <jlarmour@cygnus.co.uk>
5621 * config/mips/mips.c (mips_move_2words): Split doubles if
5622 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
5624 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
5626 * genrecog.c (struct decision_test): New.
5627 (struct decision): Remove test-related members, sort the rest by size.
5628 (IS_SPLIT): Simplify.
5629 (new_decision, new_decision_test): New.
5630 (add_to_sequence): Use them. No special handling for args of
5632 (maybe_both_true): Renamed from not_both_true; return sense changed.
5633 (maybe_both_true_1, maybe_both_true_2): New. Broken out
5634 of maybe_both_true and adjusted for decision_test.
5635 (position_merit): Remove.
5636 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
5637 (merge_accept_insn): New, broken out of merge_trees.
5638 (merge_trees): Use them. No special case for c_test; no node
5639 splitting; use test type instead of position_merit.
5640 (factor_tests): New.
5641 (simplify_tests): New.
5642 (break_out_subroutines): Don't write code now.
5643 (find_afterward): New.
5644 (write_afterward, write_switch, write_cond): New.
5645 (write_action, is_unconditional): New.
5646 (write_node): New. Use them.
5647 (write_tree_1): Rewrite. Use the new functions above.
5648 (write_tree): Remove afterward processing.
5649 (write_subroutine): Simplify function variant emission.
5650 (write_subroutines): New.
5651 (same_codes, clear_codes): Remove.
5652 (same_modes, clear_modes): Remove.
5653 (write_header): New, broken out of main.
5654 (make_insn_sequence): Use new_decision and new_decision_test.
5655 (process_tree): New, broken out of main.
5656 (main): Adjust for merge_trees interface change.
5657 Don't #define operands in the output file.
5658 (record_insn_name): New, broken out of make_insn_sequence.
5659 (debug_decision_2, debug_decision_1, debug_decision_0): New.
5660 (debug_decision): New.
5662 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
5664 * resource.c (find_free_register): Mark class_str argument const.
5665 * resource.h: Update prototype to match.
5667 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
5668 * i386.md: Give all anonymous insns names.
5670 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
5672 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
5675 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
5677 * toplev.c (dbr_sched_time): Unconditional.
5678 (peephole2_time): New.
5679 (compile_file): Add pass numbers to all of the dump file suffixes.
5680 Dump peephole2_time. Don't dump times for non-applicable passes.
5681 (rest_of_compilation): Add pass numbers to dump file suffixes.
5682 Conditionalize calls to the scheduler.
5683 * invoke.texi: Update.
5685 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
5687 * flow.c (make_edges): Fix insn iteration.
5688 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
5689 (find_basic_blocks_1): Fix spelling mistake.
5691 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
5693 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
5694 always have side-effects. Use memset not bzero.
5695 (make_node): Likewise.
5697 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
5699 * stmt.c (expand_anon_union_decl): When any of the elements of the
5700 union is addressable, so is the entire union.
5702 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
5704 * sbitmap.c (sbitmap_ones): Don't set too many bits.
5706 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
5707 * bitmap.c (bitmap_operation): Return true iff TO changed.
5708 (bitmap_equal_p): New.
5709 (bitmap_bit_p): Tidy arithmetic.
5710 (debug_bitmap_file): Likewise.
5712 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
5714 * toplev.c (rest_of_compilation): Turn on cse_not_expected
5715 before cse2 instead of after.
5717 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
5719 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
5722 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5724 * cppinit.c (is_idchar initializer): Loosen tests to accept
5727 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
5729 * mips.md: Define conditional move patterns for floating point
5730 operands and DI mode conditions.
5732 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
5734 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
5735 always have side-effects.
5737 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
5739 * mn10200.c (asm_file_start): Fix typo.
5741 * cppinit.c (is_idchar initializer): Tighten tests for when
5742 to put the table into initialized memory.
5744 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
5745 not an array of rtunion.
5746 * gcc-page.c (ggc_alloc_rtvec): Similarly.
5747 * gcc-simple (ggc_free_rtvec): Similarly.
5749 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
5752 * mbchar.h: Add missing #endif.
5754 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
5755 (FPBIT, DPBIT): Define.
5757 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5759 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
5761 * profile.c (instrument_arcs, output_gcov_string,
5762 tablejump_entry_p): Add static prototypes.
5763 (output_gcov_string): Constify a char*.
5765 * regmove.c (replacement_quality, fixup_match_2): Add static
5768 * resource.h (reg_dead_p): Add extern prototype.
5770 * rtl.c (trim_filename): Add static prototype.
5772 * scan-decls.c (skip_to_closing_brace): Likewise.
5774 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
5775 (expand_end_case): Initialize variable `range'.
5776 (emit_case_nodes): Remove unused prototype `rtx_fn'.
5778 * varasm.c (asm_emit_uninitialised): Add static prototype.
5779 (asm_emit_uninitialised, assemble_variable): Mark parameter with
5782 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5784 * cpplib.c (if_directive_nameo): Add static prototype.
5786 * cse.c (cse_insn): Remove unused variable `p'.
5788 * except.c (create_rethrow_ref, push_entry,
5789 receive_exception_label, new_eh_region_entry, find_func_region,
5790 clear_function_eh_region, process_nestinfo): Add static prototypes.
5791 (get_reg_for_handler): Hide definition.
5792 (process_nestinfo): Initialize variable `extra_handlers'.
5794 * expr.h (expand_builtin_longjmp): Add extern prototype.
5796 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
5798 * function.c (prepare_function_start): Likewise.
5799 (pop_function_context_from): Mark parameter `context' with
5801 (push_temp_slots_for_block, flush_addressof): Hide definition.
5803 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
5804 solve_program_flow_graph, calculate_branch_probs,
5805 function_summary, main, fancy_abort): Add prototypes.
5807 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
5808 (add_hash): Constify a char*.
5810 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
5811 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
5812 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
5814 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
5816 * lists.c (free_list, zap_lists): Likewise.
5818 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5820 * alias.c (nonlocal_reference_p): Add static prototype.
5822 * bitmap.c (bitmap_element_allocate): Prototype args in function
5825 * builtins.c (stabilize_va_list): Add static prototype.
5826 (expand_builtin_va_arg): Constify a char*.
5828 * c-lex.c (getch, put_back, extend_token_buffer_to,
5829 read_line_number, token_getch, token_put_back): Add static
5832 * c-parse.gperf (hash, is_reserved_word): Likewise.
5834 * cccp.c (is_dir_separator): Likewise.
5836 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5838 * graph.h: New file to prototype functions exported by graph.c.
5840 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
5842 * graph.c: Include graph.h.
5844 * toplev.c: Likewise. Remove redundant prototypes.
5846 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
5848 * invoke.texi: Removed duplicated description for -Q.
5850 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
5852 * extend.texi: Grammar fix in __extension__ text.
5854 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
5856 * md.texi (define_peephole2): New section.
5858 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
5860 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
5861 (mov $-1 to or peepholer): Enable for pentium when optimizing for
5864 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
5866 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
5868 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
5870 * i386.md (ffs expander): Emit Pentium friendly code for
5873 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
5875 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
5879 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5881 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
5883 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
5885 * config/m68k/m68k.c (use_return_insn): Return false if the pic
5888 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5890 * md.texi (No Constraints): Delete section.
5891 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
5892 * final.c (final_scan_insn): We always have register constraints.
5893 * genattrtab.c: Don't include "insn-config.h".
5894 (write_attr_case): We always have register constraints.
5895 * genconfig.c (register_constraint_flag): Delete.
5896 (walk_insn_part): Don't check whether we have register constraints.
5897 (main): Don't write out "#define REGISTER_CONSTRAINTS".
5898 * genoutput.c (have_constraints): Delete.
5899 (main): Don't set it.
5900 (output_operand_data): We always have constraints.
5901 (scan_operands): Likewise.
5902 (compare_operands): Likewise.
5903 * local-alloc.c (block_alloc): We always have constraints.
5904 (requires_inout): Always compile this function.
5905 * recog.c (extract_insn): We always have constraints.
5906 (constrain_operands, reg_fits_class_p): Always compile these
5908 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
5910 (struct insn_operand_data): Likewise.
5911 * regclass.c (regclass): We always have constraints.
5912 (record_reg_classes, copy_cost, record_address_regs,
5913 auto_inc_dec_reg_p): Always compile these functions.
5914 * regmove.c (regmove_optimize): We always have constraints.
5915 * reload.c (find_reloads): Likewise.
5916 * reload1.c (reload): Likewise.
5917 (reload_cse_simplify_operands): Likewise.
5918 * i860.c (output_delay_insn): Likewise.
5920 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
5922 * iris6.h (BUILD_VA_LIST_TYPE): Define.
5924 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5926 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
5927 for the va_list record.
5929 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
5931 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
5934 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
5936 * alias.c: Include insn-flags.h.
5937 * Makefile.in (alias.o): Update.
5939 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
5941 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
5942 to LTU and GEU. Handle more cases using sbb.
5944 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
5946 * i386.md (truncatexfdf splitters): Do not use subreg.
5947 (fop XFmode patterns): Fix mode in operand testing.
5949 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
5951 * jump.c (jump_optimize_1): Amend last change to test only the
5952 form of the operand, not the insn.
5954 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
5955 not register_operand to determine when B may need preloading.
5957 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
5959 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
5960 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
5961 (call-value patterns): Move to end of file.
5962 (*): Remove mode from label_ref in (pc) context.
5963 (movstrqi): Use memory not general_operand for BLKmode operands.
5964 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
5965 to register_operand operands.
5966 (peep2 patterns): Convert from commented-out peephole patterns.
5968 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5970 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
5971 to BUILT_IN_INIT_DWARF_REG_SIZES.
5972 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
5973 Renamed from BUILT_IN_DWARF_REG_SIZE; call
5974 expand_builtin_init_dwarf_reg_sizes.
5975 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
5976 with __builtin_init_dwarf_reg_size_table.
5977 * dwarf2out.c (struct reg_size_range): Delete.
5978 (expand_builtin_init_dwarf_reg_sizes): New function.
5979 (expand_builtin_dwarf_reg_size): Delete.
5980 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
5981 (expand_builtin_dwarf_reg_size): Don't declare.
5982 * libgcc2.c (dwarf_reg_size_table_initialized): New.
5983 (dwarf_reg_size_table): New.
5984 (init_reg_size_table): New function.
5985 (copy_reg): Use dwarf_reg_size_table.
5986 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
5989 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
5991 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
5992 Correctly build argument list to constructor and destructor functions.
5994 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
5996 * c-tree.h (warn_float_equal): Declare.
5997 * c-decl.c (warn_float_equal): Define.
5998 (c_decode_option): Recognize -W[no-]float-equal.
5999 * c-typeck.c (build_binary_op): Conditionally warn
6000 about equality tests of floating point types.
6001 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
6002 * invoke.texi: Add docs for -Wfloat-equal warning.
6004 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
6006 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
6007 generating RTL directly.
6008 * mips.h (INIT_TARGET_OPTABS): Likewise.
6009 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
6011 * expr.h (init_mov_optab): Delete declaration
6013 * h8300.c (WORD_REG_USED): Update to avoid useless register
6014 saves in interrupt functions and functions which never return.
6016 * cse.c (struct set): Delete inner_dest_loc field.
6017 (cse_insn): Remove assignments to inner_dest_loc field.
6019 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
6021 * ggc-page.c: Don't include <unistd.h> etc taken care of
6022 by "system.h". Include <sys/mman.h> afterward.
6024 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
6026 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
6029 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
6031 * xcoffout.c (xcoffout_declare_function): Add documentation.
6032 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
6033 TARGET_64BIT. Compare constant to -1, not bit pattern.
6034 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
6035 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
6038 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
6040 * dwarf2out.c (add_abstract_origin_attribute): Abort if
6042 (gen_inlined_enumeration_type_die): Do not abort if the type has
6043 not been writeen out.
6044 (gen_inlined_structure_type_die): Do not abort if the type has
6045 not been writeen out.
6046 (gen_inlined_union_type_die): Do not abort if the type has
6047 not been writeen out.
6048 (gen_tagged_type_instantiation_die): Do not abort if the type
6049 has not been written out.
6051 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6053 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
6055 * reg-stack.c (straighten_stack): Copy hard reg set with
6058 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
6060 * builtins.c (stabilize_va_list): Stabilize array type va_list
6061 to a pointer type, not the base record type.
6062 (expand_builtin_va_copy): Dereference the pointers explicitly;
6063 use the correct size for the copy.
6065 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
6066 (rs6000_va_arg): Likewise.
6068 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
6070 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
6072 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
6074 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
6076 (DECL_BUILT_IN_CLASS): Adjust accordingly.
6078 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
6080 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
6081 (init_ggc): Use it instead of a constant.
6082 (ggc_collect): Bound allocated_last_gc by it.
6084 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
6086 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
6089 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
6091 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
6092 (mips*-*-openbsd*): Let big endian configuration be a fragment.
6094 * config/mips/openbsd.h: New, OpenBSD little endian target.
6095 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
6096 * config/mips/xm-openbsd.h: New, OpenBSD host.
6098 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
6100 * config/m68k/m68k.c (output_function_prologue,
6101 output_function_epilogue): Use
6102 current_function_uses_pic_offset_table instead of regs_ever_live
6103 to decide whether to save/restore pic register.
6104 (legitimize_pic_address): Don't modify regs_ever_live any more.
6106 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
6108 * function.h (struct function): Add x_dont_save_pending_sizes_p.
6109 * stor-layout.c (variable_size): Don't add sizes to the pending
6110 sizes list if x_dont_save_pending_sizes_p is set.
6112 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
6114 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
6115 for symbolic_operand().
6116 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
6118 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6120 * combine.c (gen_rtx_combine): Add missing call to va_end().
6122 * final.c (asm_fprintf): Likewise.
6124 * genattrtab.c (attr_rtx): Likewise.
6126 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
6128 * cse.c: Update comments.
6129 (cse_insn): When converting a conditional/computed jump into
6130 an unconditional jump, always make sure a BARRIER immediately
6131 follows the converted jump. Do not delete unreachable code.
6132 (cse_basic_block): Do not delete unreachable code.
6133 * toplev.c (rest_of_compilation): Move call to
6134 delete_trivially_dead_insns after the conditional call to
6137 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6139 * collect2.c (make_temp_file): Don't prototype.
6141 * gcc.c (make_temp_file): Likewise.
6143 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
6145 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
6147 * varasm.c (asm_emit_uninitialised): New function: Generate
6148 the assembler statements necessary to declare an uninitialised
6150 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
6152 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
6153 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
6155 (assemble_variable): Use asm_emit_uninitialised to emit an
6156 uninitialised variable.
6158 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
6160 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
6161 constant on a 64 bit host. Patch supplied by Geoffrey Keating
6162 <geoffk@cygnus.com>.
6164 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6166 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
6167 * c-common.h (builtin_function): Don't declare.
6169 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
6171 (pushdecl): Likewise.
6172 (finish_decl): Likewise.
6173 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
6174 int. All callers changed.
6175 Set the builtin's DECL_BUILT_IN_CLASS.
6176 * tree.h (enum built_in_class): New.
6177 (enum built_in_function): Delete NOT_BUILT_IN.
6178 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
6180 (DECL_SET_FUNCTION_CODE): Likewise.
6181 (DECL_BUILT_IN_CLASS): New macro.
6182 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
6183 (struct tree_decl): Split builtin function code field into a
6185 (builtin_function): Declare.
6187 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
6189 * optabs.c (init_traps): Fix typo in last change.
6191 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
6193 * toplev.c (rest_of_decl_compilation): Update comment.
6195 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6197 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
6198 in .sbss if appropriate.
6199 (EXTRA_SECTION_FUNCTIONS): Add sbss.
6200 (SBSS_SECTION_ASM_OP): New macro.
6201 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
6202 (EXTRA_SECTIONS): Add in_sbss.
6203 * config/mips/mips.h: Prototype sbss_section.
6205 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
6207 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
6210 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
6212 * optabs.c (init_traps): Register trap_rtx as a GC root.
6214 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6216 * config/mips/mips.c (function_arg_pass_by_reference): Define
6217 unconditionally, since it's called unconditionally.
6219 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6221 * toplev.c (documented_lang_options): Add -fshort-wchar.
6222 * c-decl.c (c_decode_option): Likewise.
6223 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
6225 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
6226 * gcc.c (default_compilers): If -fshort-wchar,
6227 override __WCHAR_TYPE__.
6228 * tm.texi (C Dialect Options): Add -fshort-wchar.
6230 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
6231 symbol for a variable.
6233 * cpplib.h (CPP_PREPROCESSED): New macro.
6234 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
6235 we're seeing this input for a second time.
6237 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
6239 * emit-rtl.c (init_emit_once): Initialize modes first.
6241 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
6243 * config/i386/i386.c (pic_label_name): Change to char pointer.
6244 (global_offset_table): New variable.
6245 (load_pic_register): Fill global_offset_table if it hasn't
6246 already been done. Allocate pic_label_name dynamically.
6247 * ggc.h (empty_string): New variable.
6248 * ggc-simple.c (empty_string): Likewise.
6249 (init_ggc): Allocate empty_string and add as root.
6250 * stmt.c (digit_strings): New variable.
6251 (init_stmt): Add last_block_end_note as root. Allocate and
6252 initialize digit_strings.
6253 (expand_asm_operands): Use empty_string instead of string
6254 constant. Use digit_strings instead of string constants.
6255 * profile.c (init_arc_profiler): Allocate string with
6256 ggc_alloc_string instead of xmalloc.
6257 (output_func_start_profiler): Likewise.
6258 * c-typeck.c (digest_init): Check if init is error_mark_node.
6260 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
6261 Richard Henderson <rth@cygnus.com>
6263 * ggc-page.c: New file.
6264 * Makefile.in (ggc-page.o): New.
6266 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
6268 * invoke.texi: Document -fdelete-null-pointer-checks
6269 * toplev.c (flag_delete_null_pointer_checks): New.
6270 (f_options): Add entry for -fdelete-null-pointer-checks.
6271 (rest_of_compilation): Conditionalize null pointer check
6272 elimination on flag_delete_null_pointer_checks.
6273 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
6275 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
6277 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
6278 copyright notice and special exception to GPL.
6280 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6282 * abi64.h (mips_function_value): Add prototype arguments.
6284 * mips-protos.h: New file with mips prototypes.
6286 * mips.c: Include "tm_p.h".
6287 (mktemp, lookup_name): Add prototype arguments.
6288 (extern_list, string_constant, mips_fill_delay_slot,
6289 mips_output_external, mips_output_external_libcall,
6290 mips_output_filename, mips_declare_object, function_prologue,
6291 mips_expand_prologue, function_epilogue, mips16_constant,
6292 build_mips16_function_stub, mips_output_conditional_branch):
6294 (mips_va_start): Remove unused variable `u'.
6295 (mips_va_arg): Cast value to unsigned when comparing against one.
6297 (save_restore_insns, mips_expand_prologue): Add missing arg in
6298 call to `large_int'.
6300 * mips.h: Move prototypes to mips-protos.h.
6301 (data_section, memory_address_p, rdata_section,
6302 readonly_data_section, simple_epilogue_p, text_section): Delete
6303 prototypes delcared elsewhere.
6304 (mips_epilogue_delay_slots, print_options): Delete unused decls.
6306 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
6308 * mips.md: Delete extra args in call to `mips_move_2words'.
6310 * xm-iris6.h (alloca): Add prototype argument.
6312 * genpeep.c: Include "tm_p.h" in generated output file.
6314 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6316 * basic-block.h (find_edge_index): Change parameters.
6317 * flow.c (verify_edge_list): Pass basic_block parameters to
6318 find_edge_index instead of integers.
6320 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
6322 * combine.c (simplify_comparison): Use an unsigned shift to adjust
6325 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
6327 * gcc.1: Fix a formatting error.
6329 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6331 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
6332 i786, mn10200, mn10300, pdp11, v850.
6334 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
6336 * libgcc2.c (num_digits): Add prototype with
6337 __attribute__((const)).
6338 (__terminate): Add prototype.
6340 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
6342 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
6344 * alpha/alpha.c (print_operand): Fix type of `code'.
6345 (alpha_output_filename): Constify.
6346 * alpha/alpha.h: Move all function declarations ...
6347 * alpha/alpha-protos.h: ... here. New file.
6348 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
6349 (SECTION_FUNCTION_TEMPLATE): Likewise.
6351 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6353 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
6354 * expr.c (expand_expr): Likewise.
6355 (do_jump): Likewise.
6356 (do_store_flag): Pass ccp_store_flag to can_compare_p.
6357 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
6359 (enum can_compare_purpose): New.
6360 (can_compare_p): Adjust prototype.
6361 (prepare_cmp_insn, prepare_operand): Declare.
6362 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
6363 * optabs.c (cmp_available_p): Deleted.
6364 (expand_abs): Pass ccp_jump to can_compare_p.
6365 (can_compare_p): New arg PURPOSE. Check for combined optabs.
6366 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
6367 Call can_compare_p rather than cmp_available_p.
6368 (prepare_operand): No longer static.
6369 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
6370 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
6371 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
6372 sequence to use emit_cmp_and_jump_insns.
6373 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
6375 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
6377 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
6378 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
6379 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
6380 (plus (reg) (const_int 0))
6381 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
6383 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
6385 * rs6000.c (expand_block_move): DImode loads and stores require
6386 word-aligned displacements. Increment address registers with
6387 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
6389 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
6391 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
6392 is no name for the base type, rather than segfault. If we are
6393 writing out a complex integer type, use DW_ATE_lo_user.
6395 * expr.c (emit_move_insn_1): If we are copying a complex that fits
6396 in one word or less (complex char, complex short, or on 64 bit
6397 systems complex float) to/from a hard register, copy it through
6398 memory instead of dying in gen_{real,imag}part. If we have a
6399 short complex type, prevent inlining since it allocates stack
6402 * tree.c (build_complex_type): If we are writing dwarf2 output,
6403 generate a name for complex integer types.
6405 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6407 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
6408 * flow.c (remove_edge): Remove extra whitespace.
6409 (remove_fake_edges): Fix comment.
6410 (add_noreturn_fake_exit_edges): Use the correct name.
6412 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
6414 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
6415 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
6416 (clean): Depend on INTL_CLEAN.
6417 (maintainer-clean): Adjust.
6419 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6421 * configure.in (AC_PREREQ): Bump to 2.13.
6422 (AC_C_STRINGIZE): Call this instead of using a custom macro.
6424 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
6426 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
6428 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
6430 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
6431 (HAVE_STRINGIZE): Define.
6433 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
6435 * c-parse.in: save and restore warn_pointer_arith on __extension__
6436 along with pedantic.
6437 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
6438 Set the type of extension to itype rather than $<itype>1 kludge.
6439 * extend.texi (Alternate Keywords): Adjust documentation.
6440 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
6442 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
6444 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
6445 most assembler templates.
6447 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
6448 FP loads and stores.
6449 (following_call): Always return zero for the PA8000.
6450 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
6451 FP loads and stores.
6452 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
6454 * pa.h (BRANCH_COST): Define.
6456 * pa.md (return, return_internal): Use bve for PA2.0.
6458 * pa.md (fused multiply): Add variants which reduce height for the
6459 fused multiply, but which still generate 2 insns.
6460 (fnegabs): Similarly.
6462 * pa.md (subsi3): Turn into an expander. Create two anonymous
6463 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
6464 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
6466 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
6468 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
6470 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
6471 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
6473 * regclass.c (init_regs): Add "top_of_stack" as a garbage
6476 * flow.c (record_active_eh_regions): Terminate loop after finding
6477 the last insn in the last basic block.
6479 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6481 * config/c4x/c4x.md: Delete parallel instruction peepholes.
6483 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6485 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
6487 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6489 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
6490 splitting to not use output template.
6492 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6494 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
6495 * config/c4x/c4x.c (c4x_va_start): New function.
6497 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
6499 * genrecog.c (not_both_true): Handle correctly cases when called for
6500 tests with different positions in the insn.
6502 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6504 * machmode.h (HOST_PTR_PRINTF): Move from here ...
6506 * system.h (HOST_PTR_PRINTF): ... to here.
6508 * mips-tfile.c: Don't include machmode.h.
6510 * Makefile.in (MACHMODE_H): New variable. Update to use it.
6511 (mips-tfile.o): Don't depend on machmode.h.
6513 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6515 * haifa-sched.c (sched_analyze): Rename local variable `region' to
6516 avoid conflicts with typedef struct `region' at the top level scope.
6518 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
6520 * basic-block.h (basic_block): Add eh_beg, eh_end.
6521 * flow.c (entry_exit_blocks): Update.
6522 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
6524 (find_basic_blocks_1): Don't record eh_list at each bb. Use
6525 lists.c functions to allocate insn lists.
6526 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
6528 (make_eh_edge): ... here. New.
6529 (move_stray_eh_region_notes): New.
6530 (record_active_eh_regions): New.
6531 (delete_unreachable_blocks): Split out block merging ...
6532 (try_merge_blocks): ... here. New.
6533 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
6534 Dump debugging data.
6535 (merge_blocks_move_successor_nojumps): Likewise.
6536 (merge_blocks): Use eh_beg+eh_end to validate block movement.
6538 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6540 * extend.texi (Bound member functions): Document unbound pmf
6543 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6545 * flow.c (split_edge): Handle insertion on a fallthrough edge which
6546 has the EXIT_BLOCK as a dest.
6548 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6550 * flow.c (remove_edge): New function to remove an edge from the
6552 (remove_fake_successors): New function to remove fake successor edges.
6553 (remove_fake_edges): New function to remove all fake edges from the
6555 (add_fake_exit_edges): New function to add fake edges from all blocks
6556 with no successors to the exit block.
6557 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
6558 prototypes for new functions.
6560 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6562 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
6563 Use Pmode to determine whether to output .dword or .word.
6565 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
6567 * tree.c (built_in_filename): New variable.
6568 (BUILT_IN_FILENAME): New macro.
6569 (init_tree_codes): Allocate built_in_filename.
6570 (make_node): Use built_in_filename instead of string constant.
6572 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
6574 * configure.in: Add fr30 target.
6575 * configure: Regenerate.
6576 * config/fr30: New directory.
6577 * config/fr30/crti.asm: New file.
6578 * config/fr30/fr30.c: New file.
6579 * config/fr30/crtn.asm: New file.
6580 * config/fr30/fr30.h: New file.
6581 * config/fr30/fr30.md: New file.
6582 * config/fr30/lib1funcs.asm: New file.
6583 * config/fr30/t-fr30: New file.
6584 * config/fr30/xm-fr30.h: New file.
6586 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
6588 * flow.c (merge_blocks_move_successor_nojumps): Delete the
6589 BARRIER at the end of the successor, not the BARRIER before
6592 * pa.c (pa_add_gc_roots): Fix thinko in last change.
6594 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
6596 * stmt.c (any_pending_cleanups): Don't crash when
6597 current_function->stmt is unset.
6599 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6601 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
6602 other initializations that may use it for relative offsets.
6604 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6606 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
6607 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
6608 * config/i386/sol2dbg.h: Removed.
6609 * config/i386/sol2gas.h: New file, to enable gas work-around.
6610 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
6611 Don't use sol2dbg.h.
6612 * configure: Rebuilt.
6614 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
6616 * invoke.texi (-fthis-is-variable): Remove documentation.
6618 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
6620 * basic-block.h (compute_bb_for_insn): Declare.
6621 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
6622 to use; set size of basic_block_for_insn directly.
6623 (find_basic_blocks): Update.
6625 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6627 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
6629 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6631 * crtstuff.c (ON_EXIT): Delete empty macro definition.
6632 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
6634 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
6636 * c-decl.c (c_decode_option): Extend comment.
6638 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
6640 * toplev.c (progname): Make 'const char *'
6641 (flag_print_mem): Move out of main.
6642 (version_flag): Move out of main.
6643 (filename): Move out of main.
6644 (debug_args): Remove g prefix from options.
6645 (documented_lang_options): Remove cpplib specific options.
6646 (display_help): Add g prefix to debug options.
6647 (check_lang_option): Delete this function.
6648 (decode_d_option): New function: Decode -d... option.
6649 (decode_f_option): New function: Decode -f... option.
6650 (decode_W_option): New function: Decode -W... option.
6651 (decode_g_option): New function: Decode -g... option.
6652 (independent_decode_option): New function: Decode a language
6653 independent command line option.
6654 (main): Invoke lang_decode_option and then
6655 independent_decode_option on each command line option in
6658 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
6660 Revert this change. Gavin's patch to operand_equal_p is a better fix.
6661 * fold-const.c (fold_range_test): Do not try to fold the range
6662 test if the rhs or lhs has side effects.
6664 * basic-block.h (compute_flow_dominators): Declare.
6666 * gcse.c (alloc_code_hoist_mem): New function.
6667 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
6668 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
6669 (hoist_code, one_code_hoisting_pass): Likewise.
6670 (gcse_main): If optimizing for size, then hoist expressions
6671 computed in multiple dominated basic blocks.
6673 * gcse.c (invalid_nonnull_info): New function.
6674 (delete_null_pointer_checks): Likewise.
6675 * rtl.h (delete_null_pointer_checks): Declare.
6676 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
6678 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
6679 (merge-blocks_move_successor_nojumps): Likewise.
6680 (merge_blocks): Allow merging of some blocks, even if it requires
6681 physical movement of the blocks, but not if it requires new jumps.
6683 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
6684 Callers and prototype changed.
6685 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
6687 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6689 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
6690 -YP when both -p and -pg are present. From i386/sol2.h.
6692 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6694 * Makefile.in (distclean): Delete tm_p.h.
6695 * configure.in: Create a new file, "tm_p.h", from a list in
6696 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
6697 "i386/i386-protos.h".
6699 * alias.c: Include "tm_p.h".
6700 * c-typeck.c: Likewise.
6701 * calls.c: Likewise.
6703 * emit-rtl.c: Likewise.
6704 * explow.c: Likewise.
6705 * expmed.c: Likewise.
6707 * final.c: Likewise.
6709 * fold-const.c: Likewise.
6710 * function.c: Likewise.
6712 * global.c: Likewise.
6713 * haifa-sched.c: Likewise.
6714 * integrate.c: Likewise.
6716 * local-alloc.c: Likewise.
6718 * optabs.c: Likewise.
6719 * recog.c: Likewise.
6720 * reg-stack.c: Likewise.
6721 * regclass.c: Likewise.
6722 * regmove.c: Likewise.
6723 * reload.c: Likewise.
6724 * reload1.c: Likewise.
6725 * reorg.c: Likewise.
6726 * resource.c: Likewise.
6728 * stor-layout.c: Likewise.
6729 * toplev.c: Likewise.
6731 * unroll.c: Likewise.
6732 * genattrtab.c (main): Make generated file include "tm_p.h".
6733 * genemit.c (main): Likewise.
6734 * genoutput.c (main): Likewise.
6735 * genrecog.c (main): Likewise.
6737 * i386.h: Delete all prototypes.
6738 * i386.c: Include "tm_p.h".
6739 (ix86_attr_length_default): Call constant_call_address_operand
6740 with correct number of arguments.
6741 * i386-protos.h: New file.
6742 * i386.md (unnamed patterns): Call constant_call_address_operand
6743 with correct number of arguments.
6744 (exception_receiver): Call load_pic_register with correct number
6747 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
6749 * c-pragma.c (mark_align_stack): Dereference the void* properly.
6751 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
6753 * rtl.h (insns_safe_to_move_p): New function.
6754 * loop.c (find_and_verify_loops): Use it.
6755 * rtlanal.c (insns_safe_to_move_p): Define it.
6757 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
6759 * c-pragma.c: Include ggc.h.
6760 * Makefile.in (c-pragma.o): Update.
6762 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6764 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
6765 (LIB_SPEC): Likewise.
6766 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
6767 Reindent -YP/-p/-pg.
6768 Copied from config/sparc/sol2.h.
6770 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
6772 * c-pragma.c (mark_align_stack): New.
6774 * c-pragma.h (init_pragma): Declare it.
6775 * c-lex.c (init_parse): Call it.
6777 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6779 * configure.in: Pick up thread library on Solaris/x86 just
6780 like on Solaris/sparc.
6781 * configure: Rebuilt.
6783 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
6785 * rtl.h (global_rtx_index): New enum.
6786 (global_rtl): Change to array of rtx.
6787 (pc_rtx, cc0_rtx): Redefine accordingly.
6788 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
6789 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
6790 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
6791 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
6792 (const_int_rtx): Change to array of rtx.
6793 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
6795 * emit-rtl.c (global_rtl): Change to array of rtx.
6796 (const_int_rtx): Change to aray of rtx.
6797 (gen_rtx_CONST_INT): Redefine accordingly.
6798 (init_emit_once): Allocate and initialize global_rtl. Likewise
6799 for const_int_rtx. Add both as GC roots.
6800 * genattrtab.c (global_rtl): Update declaration.
6802 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
6804 * Makefile (USER_H): Add iso646.h back.
6806 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
6808 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
6809 zapping the LOG_LINKS of sched_before_next_call.
6811 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
6812 * pa.c (insn_refs_are_delayed): Renamed from
6813 insn_sets_and_refs_are_delayed.
6815 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
6817 * functiion.h (struct function): Add x_whole_function_mode_p.
6818 (retrofit_block): Declare.
6819 * function.c (retrofit_block): New function.
6820 (identify_blocks): Add assertions. Allow an incomplete set of
6821 block notes if we're still generating code for the function.
6822 * integrate.c: Include loop.h.
6823 (expand_inline_function): Call find_loop_tree_blocks to map block
6824 notes to blocks when in whole-function mode. Use retrofit_block
6825 to insert new BLOCKs for the inlined function, rather than
6827 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
6828 * Makefile.in (integrate.o): Depend on loop.h.
6830 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
6832 * tree.h (warn_about_unused_variables): Declare.
6833 * stmt.c (warn_about_unused_variables): New function, split out
6835 (expand_end_bindings): Here.
6837 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
6839 * stmt.c (preserve_subexpressions_p): Don't crash when
6840 current_function->stmt is unset.
6842 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
6844 * stmt.c (expand_start_bindings): Allow callers to pass a flag
6845 indicating that no NOTE_INSN_BLOCK_BEG note is required.
6846 (expand_start_target_temps): Use it.
6847 * except.c (expand_eh_region_start_for_decl): Likewise.
6848 * expr.c (expand_expr): Likewise.
6850 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
6852 * fold-const.c (operand_equal_p): Pay attention to side effects.
6854 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
6856 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
6857 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
6859 * tlink.c (scan_linker_output): Look for keywords before accepting
6860 a mangled name in quotes.
6862 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
6864 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
6865 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
6867 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
6869 * alpha.md: Revert Thu Nov 26 change that came in through the
6870 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
6871 Avoid earlyclobber when possible.
6873 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6875 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
6877 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
6878 Define HAVE_ON_EXIT.
6880 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6882 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
6883 CTYPE_CONV in all ctype macros.
6885 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
6888 * cexp.y (initialize_random_junk): Likewise.
6890 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
6892 * i370.c (handle_pragma): Likewise.
6894 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
6896 * v850.c (override_options): Likewise.
6898 * doprint.c (_doprnt): Likewise.
6900 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
6903 * fixinc/server.c (load_data): Likewise.
6905 * fold-const.c (real_hex_to_f): Likewise.
6907 * genattr.c (write_upcase, gen_attr): Likewise.
6909 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
6910 write_upcase): Likewise.
6912 * genemit.c (print_code): Likewise.
6914 * genopinit.c (gen_insn): Likewise.
6916 * genpeep.c (print_code): Likewise.
6918 * genrecog.c (print_code): Likewise.
6920 * optabs.c (init_libfuncs): Likewise.
6922 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
6924 * haifa-sched.c (sched_analyze): Keep the list of notes organized
6926 (reemit_notes): Likewise.
6928 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
6930 * ggc.h (ggc_root): Move to ggc-common.c.
6932 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
6933 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
6934 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
6935 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
6936 * ggc-common.c (ggc_root): Move from ggc.h.
6937 (roots): Declare, static.
6938 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
6939 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
6940 null or check/set mark bit.
6941 (ggc_mark_roots): New.
6942 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
6944 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
6946 * m32r.c: Include toplev.h.
6947 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
6948 (gen_compare): Rename swap_p to must_swap to match uses.
6949 Add default abort case.
6950 (m32r_output_function_epilogue): Remove unused variables.
6951 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
6952 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
6953 define to empty parameter list. Update all uses.
6954 (predicate decls): Use enum machine_mode not int.
6955 * m32r.md (movsi): Call abort, not fatal_insn.
6956 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
6958 1999-09-14 Andrew Haley <aph@cygnus.com>
6960 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
6961 use $0 instead of 0.
6963 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6965 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
6966 computation out of loop over hard regs.
6968 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
6970 * function.c (identify_blocks): Don't shadow a variable in an
6972 * integrate.c (integrate_decl_tree): Don't use pushlevel,
6973 pushdecl, or poplevel to build up the new BLOCK tree.
6974 (expand_inline_function): Likewise.
6975 (integrate_parm_decls): Likewise.
6977 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
6979 * c-typeck.c (qualify_type): Merge qualifiers from both types.
6981 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
6983 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
6984 * invoke.texi: Document this change.
6986 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
6988 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
6990 (mark_emit_status): Renamed from mark_emit_state.
6991 * except.c (mark_eh_status): Renamed from mark_eh_state.
6992 Check not null before marking.
6993 (free_eh_status): New.
6994 * expr.c (mark_expr_status, free_expr_status): New.
6995 * function.c (free_machine_status): New.
6996 (free_after_parsing): New.
6997 (free_after_compilation): Move bits to free_after_parsing; call
6998 free_eh_status, free_expr_status; zero the marked members of the
7000 (prepare_function_start): No can_garbage_collect.
7001 Call init_eh_for_function.
7002 (expand_dummy_function_end): Free up current_function state.
7003 (mark_function_status): Renamed from mark_function_state.
7004 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
7005 * function.h (struct function): No can_garbage_collect.
7006 (free_machine_status, free_after_parsing): Declare.
7007 (free_eh_status, free_expr_status): Declare.
7008 * ggc.h (mark_expr_status): Declare.
7009 * stmt.c (free_stmt_status): Free the struct.
7010 (mark_stmt_status): Renamed from mark_stmt_state.
7011 (init_stmt): Don't call init_eh.
7012 (init_stmt_for_function): Don't call init_eh_for_function.
7013 * toplev.c (compile_file): Call init_eh.
7014 (rest_of_compilation): Free basic block info before ggc_collect.
7015 Call free_after_parsing; conditionally call free_after_compilation.
7016 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
7017 Check not null before marking.
7018 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
7020 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
7022 * c-lex.c (yylex): Initialize warn.
7024 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
7026 * pa.c (emit_move_sequence): Properly set the mode of the scratch
7027 register when performing secondary reloads for the SAR register.
7029 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
7031 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
7032 (NOTE_BLOCK): New macro.
7033 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
7034 * function.h (identify_blocks): Change prototype.
7035 * function.c (identify_blocks): Simplify.
7036 (reorder_blocks): Likewise.
7037 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
7038 NOTE_INSN_BLOCK_{BEG,END}.
7039 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
7040 the list of saved notes if the note isn't a
7041 NOTE_INSN_BLOCK_{BEG,END}.
7042 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
7044 (reemit_notes): Adjust recreation of notes to reflect new saved
7046 * print-rtl.c (print_rtx): Print the address of the BLOCK when
7047 printing a block note.
7048 * stmt.c (block_vector): Remove.
7049 (find_loop_tree_blocks): Simplify.
7050 (unroll_block_trees): Likewise.
7051 * tree.h (reorder_block): Change prototype.
7053 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
7055 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
7056 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
7057 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
7058 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
7059 (atexit, exit): Simplify.
7060 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
7061 * config/lots: Remove defns of HAVE_ATEXIT.
7063 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
7065 * calls.c (precompute_arguments): Fix typo in comment.
7066 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
7069 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
7071 * dsp16xx.c (override_options): Fix typos in GC root registration.
7073 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
7075 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
7077 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
7078 (FUNCTION_PROFILER): Redefine appropriately for Linux.
7079 (CC1_SPEC): Likewise.
7081 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7083 * genattr.c (main): Add extern prototype. Call return, not exit.
7084 * genattrtab.c (main): Likewise.
7085 * gencheck.c (main): Likewise.
7086 * gencodes.c (main): Likewise.
7087 * genconfig.c (main): Likewise.
7088 * genemit.c (main): Likewise.
7089 * genextract.c (main): Likewise.
7090 * genflags.c (main): Likewise.
7091 * gengenrtl.c (main): Likewise.
7092 * genopinit.c (main): Likewise.
7093 * genoutput.c (main): Likewise.
7094 * genpeep.c (main): Likewise.
7095 * genrecog.c (main): Likewise.
7097 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
7098 * genattrtab.c (get_insn_name): Likewise.
7099 * gencodes.c (get_insn_name): Likewise.
7100 * genconfig.c (get_insn_name): Likewise.
7101 * genemit.c (get_insn_name): Likewise.
7102 * genextract.c (get_insn_name): Likewise.
7103 * genflags.c (get_insn_name): Likewise.
7104 * genopinit.c (get_insn_name): Likewise.
7105 * genpeep.c (get_insn_name): Likewise.
7107 * gencheck.c (usage): Add static prototype.
7108 * genextract.c (print_path): Constify a char*.
7109 * genopinit.c (optabs): Likewise.
7110 * genoutput.c (operand_data, data, output_predicate_decls,
7111 compare_operands): Likewise.
7112 * genrecog.c (write_tree): Add default case in switch.
7114 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7116 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
7118 * print-rtl.c (get_insn_name): Remove prototype.
7120 * toplev.h (progname): Declare const.
7122 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
7123 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
7124 dump_sched_info, dump_local_alloc, regset_release_memory,
7125 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
7126 error_with_file_and_line, error_with_decl, error_for_asm, error,
7127 fatal, warning_with_file_and_line, warning_with_decl, warning,
7128 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
7129 Remove redundant prototypes.
7131 (notice, check_lang_option, report_file_and_line, vnotice,
7132 mark_file_stack): Add static prototype.
7133 (set_fatal_function): Add prototype.
7134 (vnotice, report_file_and_line, set_fatal_function,
7135 check_lang_option): Constify a char*.
7136 (main): Prototype. Call return, not exit.
7138 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7140 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
7142 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
7144 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
7146 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
7148 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7150 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
7151 behave as if it's zero in all cases.
7152 (expand_function_start): Adjust call to assign_parms.
7153 * tree.h (assign_parms): Adjust prototype.
7154 * objc/objc-act.c (hack_method_prototype): Adjust call to
7157 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
7159 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
7160 arg_pointer_rtx fixed if the argument pointer register is
7162 (NONZERO_BASE_PLUS_P): Likewise.
7164 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
7166 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
7167 match_insn2 to match_insn.
7168 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
7170 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
7172 * Makefile.in (USER_H): Remove va-foo.h.
7174 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
7175 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
7176 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
7177 va-spur.h,va-v850.h}: Remove.
7179 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
7181 * sparc/sparc.md (eligible_for_return_delay): New attribute.
7182 (in_return_delay): Use it instead of match_insn.
7184 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7186 * config/alpha/va_list.h (va-alpha.h): Do not include.
7187 (__gnuc_va_list): Typedef as in varargs.h.
7189 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
7191 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
7192 DECL_LIVE_RANGE_RTL.
7194 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
7196 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
7197 not NOTE_BLOCK_NUMBER.
7198 (expand_eh_region_end): Likewise.
7199 (find_exception_handler_labels): Likewise.
7200 (scan_region): Likewise.
7201 (exception_optimize): Likewise.
7202 (update_rethrow_references): Likewise.
7203 (set_insn_eh_region): Likewise.
7204 * final.c (final_scan_insn): Likewise.
7205 * flow.c (make_edges): Likewise.
7206 * integrate.c (expand_inline_function): Likewise.
7207 * print-rtl.c (print_rtx): Likewise.
7209 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
7211 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
7212 terms of builtin functions and types.
7214 * mips.c (mips_build_va_list): New.
7215 (mips_va_start, mips_va_arg): New.
7216 * mips.h (BUILD_VA_LIST_TYPE): New.
7217 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7219 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
7220 (sh_build_va_list, sh_va_start, sh_va_arg): New.
7221 * sh.h (BUILD_VA_LIST_TYPE): New.
7222 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7224 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
7226 * recog.h (struct recog_data): Make dup_num, operand_address_p,
7227 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
7228 (struct insn_data): Likewise with n_operands, n_dups,
7229 n_alternatives, output_format.
7230 * regclass.c (scan_one_insn): Cast n_operands to int before
7231 arithmetic inside comparison.
7233 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
7235 * toplev.c (compile_function): Unconditionally emit nop.
7237 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7239 * haifa-sched.c (actual_hazard): Move declaration of variable
7240 `this_cost' into the scope where it is used.
7242 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7244 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
7245 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
7246 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
7248 * genrecog.c (make_insn_sequence): Call memset, not bzero.
7250 * jump.c (find_insert_position): Don't declare or define unless
7251 !HAVE_conditional_arithmetic.
7252 (returnjump_p_1, delete_prior_computation): Add static prototypes.
7254 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
7256 * recog.c (offsettable_address_p): Prototype function pointer.
7257 (preprocess_constraints): Call memset, not bzero.
7259 * tree.c (tree_node_kind_names): Constify a char*. Make static.
7260 (gcc_obstack_init): Don't declare.
7261 (fix_sizetype): Add static prototype.
7262 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
7263 (tree_cons): Call memset, not bzero.
7265 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
7266 definition in macro ASM_WEAKEN_LABEL.
7267 (mark_const_hash_entry): Add static prototype.
7269 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7271 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
7273 * unroll.c (find_common_reg_term, subtract_reg_term,
7274 loop_find_equiv_value): Add static prototypes.
7275 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
7276 (copy_loop_body): Remove unreachable break statement.
7278 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
7280 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
7282 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7284 Undo some changes from the gcc2 merge:
7285 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
7286 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
7290 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
7291 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7292 initialized float-int union if the value is a NaN.
7294 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
7296 * gthr-win32.h: New file.
7298 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
7299 shared as a valid attribute.
7300 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
7301 * extend.texi: Document `shared' variable attribute.
7303 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
7305 * configure.in: Handle --enable-threads on FreeBSD.
7306 * configure: Rebuit.
7308 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7310 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
7312 * configure: Rebuilt.
7314 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
7315 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
7316 Rosimildo DaSilva <rdasilva@connecttel.com>
7318 * configure.in (m68k-*-rtemscoff*): Added.
7319 * configure.in (mips64orion-*-rtems*): Converted to ELF.
7320 * configure.in (sparc-*-rtemsaout*): Added as alias for old
7321 sparc-rtems configuration.
7322 * configure.in (sparc-*-rtemself*): Added.
7323 * configure.in (sparc-*-rtems*): Now ELF not a.out.
7324 * config/i386/rtems.h: Added comment.
7325 * config/sparc/rtemself.h: New file.
7327 * configure.in (m68k-rtemself): Added.
7328 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
7329 and DWARF_DEBUGGING_INFO.
7330 * config/m68k/crti.s: New file.
7331 * config/m68k/crtn.s: New file.
7332 * config/m68k/t-crtstuff: New file.
7333 * config/m68k/rtemself.h: New file.
7335 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
7336 global ctor/dtor and C++ exception handling.
7337 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
7338 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
7340 * config/i386/t-rtems-i386: New File.
7342 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
7344 * stmt.c (expand_end_case): Return right away if the case stack is
7347 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
7349 * Makefile.in (version.c): Remove rule incorrectly brought in from
7352 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
7354 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
7355 * msdos/top.sed: Take into account a prepended $(SHELL) to
7357 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
7359 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
7361 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7363 * regmove.c (fixup_match_1): Don't change an unchanging register.
7364 (stable_but_for_p): Renamed to:
7365 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
7366 Changed all callers.
7368 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
7370 * loop.c (strength_reduce): Don't call reg_used_between_p if the
7371 insn from BL2 is after the insn from BL.
7373 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
7375 * recog.h (INSN_OUTPUT_FORMAT_*): New.
7376 (struct insn_data): Merge `template' and `outfun' into `output'.
7377 Add `output_format'.
7378 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
7379 (struct data): Remove `outfun'; add `output_format'.
7380 (name_for_index): Remove declaration.
7381 (output_insn_data): Handle output formats.
7382 (process_template): Emit the bare array for @.
7383 (gen_expand, gen_split): Set output_format to NONE.
7384 * output.h (get_insn_template): Declare.
7385 * final.c (get_insn_template): New.
7386 (final_scan_insn): Use it.
7387 * toplev.c (compile_file): Likewise.
7389 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7390 * i860/i860.c (output_delayed_branch): Likewise.
7391 (output_delay_insn): Likewise.
7393 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7395 * rtl.c (obstack_alloc_rtx): Removed.
7397 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
7399 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
7401 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7403 * i386.c (call_insn_operand): Reject const_int.
7404 (expander_call_insn_operand): Use call_insn_operand.
7406 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7408 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
7410 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
7412 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
7413 Use DImode operation.
7415 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
7417 * gcc.c: Include sys/resource.h.
7418 (report_times): New flag.
7419 (execute): If report_times is set, calculate and report the
7420 CPU time consumed by each subprocess.
7422 (rus, prus): New globals.
7423 (option_map): Add --time.
7424 (display_help): Document -time.
7425 (process_command): Set report_times if -time is given.
7426 Turn off -pipe if -time is given.
7428 * invoke.texi: Document new option -time.
7430 * configure.in: Check for getrusage. Check if we have to
7431 prototype getrusage.
7432 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
7433 * configure: Regenerate.
7434 * config.in: Regenerate.
7436 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
7438 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
7441 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
7443 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
7444 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
7445 (nan): Return _thenan_sf or _thenan_df as appropriate.
7446 (L_thenan_sf): Define _thenan_sf.
7447 (L_thenan_df): Define _thenan_df.
7449 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
7450 (DPBIT_FUNCS): Add _thenan_df.
7452 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
7454 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
7457 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7459 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
7462 (lang_specific_driver): Don't take a function pointer parameter.
7463 All callers changed.
7465 * gcc.c: Include gcc.h.
7466 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
7467 lang_specific_extra_outfiles, fatal): Don't declare.
7468 (multilib_defaults_raw): Constify.
7469 (read_specs): Call memset, rather than bzero.
7470 (main): Call return, not exit.
7471 (lookup_compiler): Call memcpy, not bcopy.
7472 (fatal): Make extern.
7474 * cppspec.c: Include gcc.h.
7475 (lang_specific_driver): Initialize variable `quote'. Constify a
7476 char*. All calls to the function pointer parameter now
7477 explicitly call `fatal'.
7479 * gccspec.c (lang_specific_driver): Include gcc.h.
7481 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
7483 * arm.c (note_invalid_constants): Use recog_data.operand_type
7486 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7488 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
7491 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
7492 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7493 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7494 reload_secondary_in_reload, reload_secondary_out_reload,
7495 reload_secondary_in_icode, reload_secondary_out_icode,
7496 reload_reg_rtx, reload_when_needed): Delete declarations.
7497 (struct reload): New structure.
7498 (rld): Declare new array.
7499 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
7500 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7501 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7502 reload_secondary_in_reload, reload_secondary_out_reload,
7503 reload_secondary_in_icode, reload_secondary_out_icode,
7504 reload_reg_rtx, reload_when_needed): Delete definitions.
7506 (whole file): Replace uses of the deleted arrays with uses of rld.
7507 * reload1.c (whole file): Replace uses of the deleted arrays with
7509 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
7510 explicit loops, not with bcopy.
7512 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
7514 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
7515 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
7516 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
7517 insn_name): Delete and consolidate into new structures.
7518 (insn_operand_predicate_fn): New.
7519 (insn_output_fn): New.
7521 (struct insn_operand_data): New.
7522 (struct insn_data): New.
7524 (OUT_FCN): Update for insn_data change.
7525 * builtins.c (expand_builtin_strlen): Likewise.
7526 (expand_builtin_memcmp): Likewise.
7527 * combine.c (make_extraction, simplify_comparison): Likewise.
7528 * cse.c (canon_reg, cse_insn): Likewise.
7529 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
7530 * expmed.c (store_bit_field, extract_bit_field): Likewise.
7531 (emit_store_flag): Likewise.
7532 * expr.c (convert_move, emit_block_move): Likewise.
7533 (clear_storage, emit_push_insn, expand_increment): Likewise.
7534 (do_store_flag): Likewise.
7535 * expr.h (GEN_FCN): Likewise.
7536 (insn_gen_function): Die.
7537 * final.c (final_scan_insn): Update for insn_data change.
7538 (output_asm_name): Likewise.
7539 * function.c (fixup_var_refs_1): Likewise.
7540 * loop.c (check_dbra_loop): Likewise.
7541 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
7542 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
7543 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
7544 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
7545 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
7546 * regmove.c (gen_add3_insn): Likewise.
7547 * reload.c (push_secondary_reload, combine_reloads): Likewise.
7548 (find_reloads, find_reloads_address_1): Likewise.
7549 (debug_reload_to_stream): Likewise.
7550 * reload1.c (emit_reload_insns, gen_reload): Likewise.
7551 * stmt.c (expand_end_case): Likewise.
7552 * toplev.c (compile_file): Likewise.
7554 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7555 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7557 * print-rtl.c (insn_name_ptr): Remove declaration.
7558 (get_insn_name): Declare.
7559 (print_rtx): Use it.
7560 * genoutput.c (insn_name_ptr): Remove.
7561 (next_operand_number): New.
7562 (struct operand_data): New.
7563 (null_operand, odata, odata_end): New.
7564 (struct data): Use struct operand_data.
7565 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
7566 (get_insn_name): Renamed from name_for_index.
7567 (output_prologue): Define NO_MD_PROTOTYPES.
7568 (output_predicate_decls): Break out from output_epilogue.
7569 Iterate over the operands list.
7570 (output_operand_data): Break out from output_epilogue. Emit
7571 just the operands list.
7572 (output_insn_data): Break out from output_epilogue. Emit just
7574 (output_epilogue): Remove.
7575 (output_get_insn_name): New.
7576 (constraints, op_n_alternatives, predicates, address_p): Die.
7577 (modes, strict_low, seen): Die.
7578 (scan_operands): Take new param `d' instead of writing to
7579 seven global variables.
7580 (compare_operands): New.
7581 (place_operands): New.
7582 (validate_insn_alternatives): Update for struct data change.
7583 (gen_insn): Don't zero or copy 7 global arrays. Update for
7584 scan_operands; call place_operands.
7585 (gen_peephole, gen_expand, gen_split): Likewise.
7586 (main): Update for new output routines.
7588 * genattr.c (insn_name_ptr): Remove.
7589 (get_insn_name): New function.
7590 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
7591 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
7592 * genrecog.c: Likewise.
7594 * alpha.md (adddi3): Make `pattern' array static.
7596 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7598 * config/c4x/c4x.h (c4x_rpts_cycles_string,
7599 c4x_cpu_version_string): Constify char *.
7600 * config/c4x/c4x.c (c4x_rpts_cycles_string,
7601 c4x_cpu_version_string): Likewise.
7603 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
7605 * tree.c (save_tree_status): Revert 10 Sep change.
7606 (restore_tree_status): Likewise. Call obstack_free with NULL
7607 before freeing the obstack proper.
7609 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
7611 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
7613 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
7614 surrounding context.
7616 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
7618 * tree.c (type_hash_canon): Put all types in the hash-table, when
7621 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
7623 * recog.h (struct recog_data, recog_data): New.
7624 (recog_foo variables): Kill.
7625 * recog.c (recog_operand, recog_operand_loc): Kill.
7626 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
7627 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
7628 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
7629 (recog_data): Define.
7630 (extract_insn): Update all recog_foo references to use recog_data.
7631 (preprocess_constraints, constrain_operands): Likewise.
7632 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
7633 * genattrtab.c (main): Likewise.
7634 * genextract.c (main): Likewise.
7635 * genoutput.c: Likewise.
7636 * genrecog.c (write_subroutine, main): Likewise.
7637 * local-alloc.c (block_alloc): Likewise.
7638 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
7639 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
7640 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
7641 * reload.c (find_reloads, find_reloads_toplev): Likewise.
7642 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
7643 (reload_cse_simplify_operands): Likewise.
7645 * arc/arc.c (arc_final_prescan_insn): Likewise.
7646 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
7647 * h8300/h8300.c (notice_update_cc): Likewise.
7648 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
7649 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7650 * mn10200/mn10200.c (notice_update_cc): Likewise.
7651 * mn10300/mn10300.c (notice_update_cc): Likewise.
7652 * romp/romp.c (update_cc): Likewise.
7653 * sparc/sparc.c (check_pic): Likewise.
7654 * v850/v850.c (notice_update_cc): Likewise.
7656 * genemit.c (main): Don't declare recog_operand.
7658 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
7660 * ggc.h (rtvec_def): Forward declare.
7661 (tree_node): Likewise.
7664 (ggc_set_mark_rtx): Add prototype.
7665 (ggc_set_mark_rtvec): Likewise.
7666 (ggc_set_mark_tree): Likewise.
7667 * ggc-simple.c (ggc_root): Don't define.
7668 (roots): Don't declare.
7669 (ggc_mark_rtx): Remove.
7670 (ggc_mark_rtvec): Likewise.
7671 (ggc_mark_tree): Likewise.
7672 (ggc_mark_varray): Likewise.
7673 (ggc_mark_tree_hash_table_entry): Likewise.
7674 (ggc_mark_tree_hash_table): Likewise.
7675 (ggc_set_mart_rtx): New function.
7676 (ggc_set_mark_rtvec): Likewise.
7677 (ggc_set_mark_tree): Likewise.
7678 (ggc_add_root): Remove.
7679 (ggc_add_rtx_root): Likewise.
7680 (ggc_remove_tree_root): Likewise.
7681 (ggc_add_string_root): Likewise.
7682 (ggc_add_tree_varray_root): Likewise.
7683 (ggc_add_tree_hash_table_root): Likewise.
7684 (ggc_del_root): Likewise.
7685 (ggc_mark_rtx_ptr): Likewise.
7686 (ggc_mark_tree_ptr): Likewise.
7687 (ggc_mark_string_ptr): Likewise.
7688 (ggc_mark_tree_varray_ptr): Likewise.
7689 (ggc_mark_tree_hash_table_ptr): Likewise.
7690 * ggc-common.c: New file.
7691 * Makefile.in (OBJS): Add ggc-common.o.
7692 (ggc-common.o): List dependencies.
7694 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
7696 * cppalloc.c (xstrdup): Use memcpy.
7697 * cpperror.c (cpp_print_containing_files): Don't use
7699 * cpplib.c (conditional_skip): Set temp->lineno.
7700 (do_endif): Make error message less obscure.
7701 (if_directive_name): New function.
7702 (cpp_get_token [case EOF]): Unwind the if stack and generate
7703 error messages for each unterminated conditional in this file.
7704 (parse_string): Do not behave differently if -traditional.
7706 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
7708 * builtins.c (expand_builtin_va_arg): Cope with an array-type
7709 va_list decomposing to pointer-type.
7710 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
7711 (rs6000_va_arg): Likewise.
7713 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
7715 * except.c (start_dynamic_handler): Compute size using
7716 STACK_SAVEAREA_MODE.
7718 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7720 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
7721 include directory headers. Don't define strrchr. Don't provide
7722 my_* replacement functions. Prefer PTR over `pointer_type'.
7723 Don't prototype system functions. Don't redefine getopt.
7725 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
7726 safe_read, safe_write, save_pointers, restore_pointers,
7727 is_id_char, in_system_include_dir, directory_specified_p,
7728 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
7729 find_corresponding_lparen, referenced_file_is_newer,
7730 save_def_or_dec, munge_compile_params, gen_aux_info_file,
7731 process_aux_info_file, identify_lineno, check_source,
7732 seek_to_line, forward_to_next_token_char, output_bytes,
7733 output_string, output_up_to, other_variable_style_function,
7734 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
7735 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
7736 find_static_definition, connect_defs_and_decs, add_local_decl,
7737 add_global_decls, needs_to_be_converted, visit_each_hash_node,
7738 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
7739 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
7740 scan_for_missed_items, edit_file, string_list_cons): Add static
7742 (standard_exec_prefix, target_machine, target_version,
7743 default_syscalls_dir, string_list, string_list_cons, find_file,
7744 do_cleaning): Constify a char*.
7745 (safe_read, safe_write): Use PTR, not a char*.
7746 (is_id_char): Take an int, not a char.
7747 (main): Add prototype. Call return, not exit.
7749 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
7751 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
7752 when comparing types.
7754 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
7756 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
7757 (strength_reduce): Release the varrays from the no-bivs early exit.
7759 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
7760 the loop over the registers.
7762 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
7764 (restore_tree_status): Check that instead when freeing the obstack.
7766 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
7768 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
7771 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7773 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
7774 operand size modifiers.
7776 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7778 * c-common.c (c_common_nodes_and_builtins): Don't build
7780 * c-common.h (enum c_tree_index and related accesor macros): Remove
7781 everything now declared in tree.h.
7782 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7783 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
7784 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
7785 (error_mark_node, void_type_node, char_type_node, integer_type_node,
7786 unsigned_type_node, ptr_type_node, va_list_type_node,
7787 integer_zero_node, null_pointer_node, integer_one_node): Delete.
7788 (init_decl_processing): Call build_common_tree_nodes and
7789 build_common_tree_nodes_2 instead of building their nodes here.
7790 Don't add roots for these nodes.
7791 * stor-layout.c (size_zero_node, size_one_node): Delete.
7792 (set_sizetype): Make a new node for bitsizetype each time.
7793 * tree.c (global_trees): New variable.
7794 (init_obstacks): Add a gc root for it.
7795 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7796 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
7797 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
7798 (build_common_tree_nodes): New function.
7799 (fix_sizetype): New function.
7800 (build_common_tree_nodes_2): New function.
7801 * tree.h (enum tree_index): New.
7802 (global_trees): Declare.
7803 Add accessor macros for all nodes now moved to global_trees.
7804 Delete their declarations.
7806 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
7808 * c-decl.c (finish_function): When processing a nested function,
7809 push and pop GC context around rest_of_compilation.
7811 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
7813 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
7814 Default ix86_arch to PROCESSOR_I386.
7815 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
7816 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
7817 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
7818 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
7819 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
7820 (EXTRA_SPECS): Remove deleted specs.
7822 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
7824 * function.c (assign_stack_local_1): Allocate from
7825 function->x_frame_offset, not frame_offset.
7827 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
7829 * ggc.h (lang_cleanup_tree): Remove.
7830 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
7831 * ggc-callbacks.c (lang_cleanup_tree): Remove.
7833 * c-decl.c (finish_struct): Use ggc_alloc to allocate
7834 TYPE_LANG_SPECIFIC when garbage collecting.
7835 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
7836 (lang_cleanup_tree): Remove.
7838 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
7840 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
7841 * crtstuff.c: Not here.
7842 * dwarf2out.c: Or here.
7843 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
7846 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
7848 * function.h (free_after_compilation): Remove decl parameter.
7849 (free_varasm_status0: Likewise.
7850 (free_emit_status): Likewise.
7851 (free_stmt_status): Likewise.
7852 (free_after_compilation): Likewise.
7853 (init_lang_status): New variable.
7854 (free_lang_status): Likewise.
7855 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
7856 * function.c (init_lang_status): New variable.
7857 (free_lang_status): Likewise.
7858 (push_function_context_to): Don't set function::decl here.
7859 (free_after_copmilation): Make decl parameter implicit. Call
7860 free_lang_status if defined.
7861 (prepare_function_start): Call init_lang_status if defined.
7862 (init_function_start): Set function::decl here.
7863 * profile.c (output_func_start_profiler): Don't call pushdecl
7864 until we've actually started the function.
7865 * stmt.c (free_stmt_status): Make decl parameter implicit.
7866 * toplev.c (rest_of_compilation): Don't pass decl to
7867 free_after_compilation.
7868 * varasm.c (free_varasm_status): Likewise.
7870 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7872 * except.c (call_get_eh_context): Add root when allocating static
7875 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
7877 * arm.c: Include "ggc.h".
7878 (arm_add_gc_roots): New function.
7879 (arm_override_options): Call it.
7880 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
7882 * arm.md (define_asm_attributes): Add a pool_range attribute.
7884 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
7886 * extend.texi (Volatiles): New node.
7888 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
7890 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
7891 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
7892 (struct ggc_any): Replace `mark' with `magic_mark'.
7893 (ggc_alloc_string): Use memcpy, not bcopy.
7894 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
7895 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
7896 (ggc_free_any): New.
7897 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
7898 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
7899 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
7900 Use IS_MARKED. Use ggc_free_any.
7902 1999-09-09 Scott Bambrough <scottb@netwinder.org>
7904 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
7906 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
7908 * toplev.c (main): Always init_ggc.
7910 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
7912 * except.c (find_all_handler_type_matches): Free the list if
7913 we found no matches.
7915 * combine.c (SUBST): Break out to a real function do_SUBST.
7916 (SUBST_INT): Likewise.
7917 * gcse.c (free_pre_mem): Free `temp_bitmap'.
7918 (pre_insert): Free `inserted'.
7919 * loop.c (basic_induction_var): Always set `location'.
7921 * function.c (expand_function_end): Add initial_trampoline as a root.
7922 * rtl.h (init_varasm_once): Declare.
7923 * toplev.c (compile_file): Call it.
7924 * ggc-simple.c (ggc_mark_string_ptr): New.
7925 (ggc_add_string_root): New.
7926 (ggc_collect): Disable collection avoidance temporarily.
7927 * ggc.h (ggc_add_string_root): Declare.
7928 * except.c (create_rethrow_ref): Use ggc_alloc_string.
7929 * optabs.c (init_libfuncs): Likewise.
7930 * varasm.c (named_section): Use ggc_alloc_string.
7931 (make_function_rtl): Likewise.
7932 (make_decl_rtl): Likewise.
7933 (assemble_static_space): Likewise.
7934 (assemble_trampoline_template): Likewise.
7935 (output_constant_def): Likewise.
7936 (force_const_mem): Likewise.
7937 (mark_const_hash_entry): New.
7938 (mark_pool_sym_hash_table): New.
7939 (mark_varasm_state): Use it.
7940 (init_varasm_once): New.
7942 * expr.h (init_one_libfunc): Declare.
7943 * optabs.c (init_one_libfunc): New.
7944 (init_optabs): Use it.
7945 * config/gofast.h: Likewise.
7946 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
7947 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
7949 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
7951 * Makefile.in (cppexp.o): Depend on cpphash.h.
7952 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
7954 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
7955 * cpplib.c (do_define): Generalise to handle poisoned definitions,
7956 redefining poisoned identifiers, etc.
7957 (do_undef): Don't allow poisoned identifiers to be undefined.
7958 (do_pragma): Add #pragma poison.
7959 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7961 * cccp.c: Add T_POISON node type.
7962 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
7964 (do_define): Generalise to handle poisoned definitions,
7965 redefining poisoned identifiers, etc.
7966 (do_undef): Don't allow poisoned identifiers to be undefined.
7967 (do_pragma): Add #pragma poison.
7968 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
7970 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
7971 * c-pragma.h: Add ps_poison state. We now always have generic
7974 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
7976 * ggc.h (ggc_alloc): New function.
7977 (ggc_mark): Likewise.
7978 * ggc-simple.c (ggc_any): New structure.
7979 (ggc_status): Add anys.
7980 (n_anys_collected): New variable.
7981 (ggc_alloc): Define.
7982 (ggc_mark): Likewise.
7983 (ggc_collect): Collect the anys.
7985 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7987 * c-decl.c (mark_binding_level): Make static to match prototype.
7989 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
7991 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
7993 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
7995 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
7996 will use into account. Expand the max width to 5.
7999 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
8001 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
8004 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
8006 * alpha.md (call value patterns): Remove the result predicates.
8008 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
8010 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
8013 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8015 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
8016 changed from extern char *, to extern PTR. Also fix typo in
8017 NEED_DECLARATION_REALLOC test.
8019 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
8021 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8023 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
8024 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
8025 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
8026 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
8028 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
8030 * cccp.c (pcfinclude): Likewise.
8032 * global.c (allocno_compare): Likewise.
8034 * haifa-sched.c (rank_for_schedule): Likewise.
8036 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
8038 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
8040 * stupid.c (stupid_reg_compare): Likewise.
8042 * tree.c (_obstack_allocated_p): Likewise.
8044 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
8046 1999-09-08 Bruce Korb autogen@linuxbox.com
8048 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
8049 why "gperf -F" fails.
8050 * gcc/cp/Makefile.in: ditto
8051 * gcc/Makefile.in: ditto
8052 * gcc/java/Makefile.in: ditto
8054 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
8056 * lists.c: Include ggc.h.
8058 (init_EXPR_INSN_LIST_cache): Install it.
8060 * ggc-simple.c (init_ggc): Absorb the old init.
8061 (ggc_push_context): Use xcalloc.
8062 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
8063 (ggc_collect): Add [rvts] tags to the collection stats.
8065 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
8067 * cccp.c (main): Fix handling of -include and -imacros options.
8069 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
8071 * cpplib.c (cpp_push_buffer): Fix order of arguments.
8073 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8075 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
8078 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8080 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
8081 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
8082 and SET_DEST. Update comment.
8084 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8086 * config/c4x/c4x.c: Include ggc.h.
8087 (c4x_add_gc_roots): New function.
8088 (c4x_override_options): Call c4x_add_gc_roots.
8090 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
8092 * defaults.h (TARGET_ESC): Move ...
8093 * system.h: ... here, where Linas had it in the first place. Silly me.
8095 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
8097 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
8098 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
8099 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
8100 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
8101 * defaults.h (TARGET_ESC): Add default.
8103 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
8105 * configure.in: add i370-*-openedition, i370-*-mvs and
8106 i370-*-linux targets
8108 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
8110 * dsp16xxx.c: Include ggc.h
8111 (override_options): Mark GC roots.
8112 * mn10200.c: Include ggc.h.
8113 (asm_file_start): Mark GC roots.
8114 * tahoe.c: Include ggc.h.
8115 (extensible_operand): Mark GC roots.
8117 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
8119 * README: Add section discussing status of ELF ABI.
8120 * i370.c: Fix misc spelling mistakes.
8121 (i370_label_scan): Updated notes, exception handling.
8122 (i370_function_prolog): Simplify ELF stack handling.
8123 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
8124 (STACK_GROWS_DOWNWARD): ELF stack grows down.
8125 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
8126 * i370.md: (movdi): Add notes.
8127 (floatsidf2): Use stack not rtca for scratch float area.
8128 (iorsi3): Correct operand constraints.
8129 * x-oe: Restore TAROUTOPTS which are used by pax.
8131 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
8133 * rs6000.c: Include ggc.h.
8134 (rs6000_add_gc_roots): New function.
8135 (override_options): Call it.
8137 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
8139 * alpha.h (alpha_compare): New.
8140 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
8141 * alpha.c: Likewise for the definitions.
8142 (alpha_emit_conditional_branch): Update for alpha_compare.
8143 (alpha_emit_conditional_move): Likewise.
8144 * alpha.md (cmpdf, cmpdi): Likewise.
8145 (setcc patterns): Likewise. Zero alpha_compare after use.
8146 (sne): Optimize (x != 0) into (0U < x).
8148 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
8150 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
8151 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
8152 (INIT_EXPANDERS): Remove.
8153 * alpha.c: Include ggc.h.
8154 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
8155 (alpha_init_machine_status, alpha_mark_machine_status): New.
8156 (override_options): Install them.
8157 (struct machine_function): Moved to alpha.h.
8158 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
8159 (alpha_init_expanders): Remove.
8160 (alpha_return_addr): Adjust to use current_function->machine.
8161 (alpha_ra_ever_killed): Likewise.
8162 (alpha_expand_epilogue): Likewise.
8163 * alpha.md (eh_epilogue): Likewise.
8165 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
8166 Melissa O'Neill <oneill@cs.sfu.ca>
8167 Geoffrey Keating <geoffk@cygnus.com>
8169 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
8170 call-used registers (call-saved registers must still be contiguous
8171 and end with r31, of course).
8173 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
8175 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
8176 (self_promoting_type_p): Delete.
8177 (self_promoting_args_p): Move ...
8178 * c-common.c: ... here.
8179 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
8180 (simple_type_promotes_to): New.
8181 * builtins.c (lang_type_promotes_to): New.
8182 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
8183 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
8184 * c-common.h: ... here.
8185 (self_promoting_args_p, simple_type_promotes_to): Declare.
8186 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
8187 (grokdeclarator): Likewise.
8188 * tree.h (lang_type_promotes_to): Declare.
8190 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
8192 Add some machine-dependent GC roots.
8193 * sparc.c: Include ggc.h.
8194 (sparc_add_gc_roots): New function.
8195 (mark_ultrasparc_pipeline_state): Likewise.
8196 (override_options): Call sparc_add_gc_roots.
8197 * pa.c: Include ggc.h.
8198 (pa_add_gc_roots): New function.
8199 (mark_deferred_plabels): Likewise.
8200 (override_options): Call pa_add_gc_roots.
8201 * mips.c: Include ggc.h.
8202 (mips_add_gc_roots): New function.
8203 (override_options): Use it.
8205 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8207 * cpperror.c (cpp_file_line_for_message): Constify a char*.
8209 * cppexp.c (parse_number, parse_charconst, cpp_lex,
8210 cpp_parse_expr): Add static prototypes.
8211 (parse_charconst): Don't cast away const-ness.
8212 (token): Constify a char*.
8214 * cppfiles.c (file_name_list, include_hash, find_include_file,
8215 finclude, initialize_input_buffer): Constify a char*.
8216 (file_cleanup, find_position): Add static prototypes.
8218 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
8219 collect_expansion): Add static prototypes.
8220 (cpp_install, create_definition, monthnames): Constify a char*.
8222 * cpphash.h (cpp_install): Likewise.
8224 * cppinit.c (known_suffixes, default_include,
8225 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
8226 (base_name, dump_special_to_buffer, initialize_dependency_output):
8227 Add static prototypes.
8229 * cpplib.c (my_strerror): Constify a char*.
8230 (null_underflow, null_cleanup, skip_comment, copy_comment,
8231 copy_rest_of_line, handle_directive, pass_thru_directive,
8232 get_directive_token, read_line_number, cpp_print_file_and_line,
8233 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
8234 v_cpp_warning_with_line, detect_if_not_defined,
8235 consider_directive_while_skipping): Add static prototypes.
8236 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
8237 cpp_pedwarn_with_file_and_line): Constify a char*.
8239 * cpplib.h (cpp_options, include_hash, progname, definition,
8240 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
8241 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
8242 find_include_file, deps_output, include_hash): Constify a char*.
8244 * cppmain.c (progname): Constify.
8245 (main): Add prototype. Use return, not exit.
8247 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
8248 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
8249 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
8250 check_protection): Add static prototype.
8252 (progname, recognized_macrom, recognized_extern): Constify a char*.
8253 (main): Add prototype.
8255 * gen-protos.c (progname): Constify a char*.
8257 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
8259 * emit-rtl.c (free_emit_status): Take decl as a parameter.
8260 (init_emit_once): Add more GC roots.
8261 * except.c (mark_func_eh_entry): New function.
8262 (mark_eh_node): Mark false_label and rethrow_label.
8263 (init_eh): Add more GC roots.
8264 * function.c (free_after_compilation): Take decl as a paramter.
8265 Call free_stmt_status.
8266 (mark_function_state): Don't assume x_parm_reg_stack_loc is
8268 * function.h (free_after_compilation): Change prototype.
8269 (free_varasm_status): Likewise.
8270 (free_emit_status): Likewise.
8271 (free_stmt_status): New function.
8272 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
8273 Remove, replacing with ...
8274 (ggc_status): New structure.
8275 (ggc_chain): New variable.
8277 (ggc_push_context): New function.
8278 (ggc_pop_context): Likewise.
8279 (ggc_alloc_rtx): Adjust for use of ggc_chain.
8280 (ggc_alloc_rtvec): Likewise.
8281 (ggc_alloc_tree): Likewise.
8282 (ggc_alloc_string): Likewise.
8283 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
8284 (ggc_mark_tree): Give language-dependent code a chance to mark
8286 (ggc_mark_tree_varray): Handle empty arrays.
8287 (ggc_collect): Adjust for use of ggc_chain. Clear
8288 bytes_alloced_since_last_gc.
8289 * ggc.h (ggc_pop_context): New function.
8290 (ggc_push_context): Likewise.
8291 * print-tree.c (print_node): Don't print obstacks when GC'ing.
8292 * stmt.c (free_stmt_status): New function.
8293 (init_stmt_for_function): Clear last_expr_value.
8294 * toplev.c (rest_of_compilation): Always call free_after_compilation.
8295 Conditionalize call to ggc_collect.
8296 (main): Call init_ggc.
8297 * tree.c (push_obstacks): Do the push, even when GC'ing.
8298 (push_obstacks_nochange): Likewise.
8299 (pop_obstacks): Liekwise.
8300 * varasm.c (free_varasm_status): Take decl as a parameter.
8302 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
8304 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
8305 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
8306 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
8307 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
8309 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
8311 * pa/x-pa-mpeix: New file for the MPE port.
8313 * pa/quadlib.asm: New file for long double support.
8315 * configure.in: Add hppa1.0-*-mpeix for MPE port.
8316 * configure: Rebuilt.
8318 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
8320 * final.c (shorten_branches): Fix last change.
8322 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
8324 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
8326 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
8328 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
8331 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8333 * c-aux-info.c (concat): Don't define.
8335 * cccp.c (my_strerror): Likewise. All callers changed to use
8337 (do_include): Call xstrdup, not xmalloc/strcpy.
8338 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
8339 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
8341 * collect2.c (my_strsignal): Likewise. All callers changed to use
8343 (locatelib): Call xstrdup, not xmalloc/strcpy.
8345 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
8347 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
8349 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
8351 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
8353 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
8355 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
8357 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
8359 (find_all_handler_type_matches): Likewise. Don't check return
8361 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
8362 xmalloc, not malloc.
8363 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
8365 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
8366 (init_spec): Call xcalloc, not xmalloc/bzero.
8367 (set_spec): Call xstrdup, not save_string.
8368 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
8369 (find_a_file): Call xstrdup, not xmalloc/strcpy.
8370 (process_command): Call xstrdup, not save_string.
8371 (main): Call xcalloc, not xmalloc/bzero.
8373 * gcov.c (xmalloc): Don't define.
8374 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
8375 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
8376 (output_data): Call xcalloc, not xmalloc/bzero.
8378 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
8380 * mips-tdump.c (xmalloc): Don't define.
8381 (print_symbol): Call xmalloc, not malloc.
8382 (read_tfile): Call xcalloc, not calloc.
8384 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
8385 Don't define. All callers of xfree/my_strsignal changed to use
8386 free/strsignal instead.
8387 (allocate_cluster): Call xcalloc, not calloc.
8389 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
8390 Fix memory leak, free allocated memory.
8392 * prefix.c (translate_name): Call xstrdup, not save_string.
8393 (update_path): Likewise.
8395 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
8397 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
8398 Don't define. Callers of xfree/savestring2 changed to use
8399 free/concat instead.
8401 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
8402 (init_elim_table): Likewise.
8404 * resource.c (init_resource_info): Likewise.
8406 * stupid.c (stupid_life_analysis): Likewise.
8408 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
8409 (open_dump_file): Call concat, not xmalloc/strcpy/...
8410 (clean_dump_file): Likewise.
8411 (compile_file): Call xstrdup, not xmalloc/strcpy.
8413 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
8415 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
8416 * v850.c (v850_va_arg): New.
8418 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8420 * haifa-sched.c: Tidy comments.
8422 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8424 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
8425 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
8426 $(out_object_file)): Depend on ggc.h.
8427 * c-common.c: Include "ggc.h".
8428 (combine_strings): If doing GC, use ggc_alloc_string.
8429 * c-decl.c: Include "ggc.h".
8430 (ggc_p): Define with value 0.
8431 (mark_binding_level): New function.
8432 (init_decl_processing): Add GC roots.
8433 (mark_c_function_context): New function.
8434 (lang_mark_false_label_stack): New function.
8435 (lang_mark_tree): New function.
8436 (lang_cleanup_tree): New function.
8437 * c-lang.c: Include "ggc.h".
8438 (lang_init): Call c_parse_init.
8439 * c-lex.c: Include "ggc.h".
8440 (check_linenum): If doing GC, don't copy filenames to permanent
8442 * c-parse.in: Include "ggc.h".
8443 (c_parse_init): New function.
8444 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
8445 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
8447 * except.c (mark_eh_state): Mark more state.
8448 * function.c (mark_function_state): Likewise.
8449 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
8450 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
8451 * toplev.c (mark_file_stack): New function.
8452 (compile_file): If doing GC, use ggc_alloc_string on input filename.
8453 (main): Add root for input_file_stack.
8455 * i386.c: Include "ggc.h".
8456 (ix86_mark_machine_status): New function.
8457 (override_options): Set mark_machine_status.
8459 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8461 * tree.c (copy_node): Copy node contents also if doing GC.
8463 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8465 * collect2.c (scan_libraries): Fix double-thinko :-).
8467 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
8469 * collect2.c (scan_libraries): Fix thinko.
8471 * cse.c (delete_trivially_dead_insns): Do not skip the last
8472 insn if it is a real insn.
8474 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
8476 * Makefile.in (ggc-simple.o): Depend on hash.h.
8477 * ggc.h (ggc_add_tree_hash_table_root): Declare.
8478 (ggc_mark_tree_varray): Likewise.
8479 (ggc_mark_tree_hash_table): Likewise.
8480 * ggc-simple.c: Include hash.h.
8481 (ggc_mark_tree_hash_table_ptr): New function.
8482 (ggc_mark_tree_hash_table_entry): Likewise.
8483 (ggc_mark_tree_hash_table): Likewise.
8484 (ggc_add_tree_hash_table_root): Likewise.
8485 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
8486 rtx, when defining fields.
8488 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8490 * profile.c (output_func_start_profiler): Remove apparently
8491 nonsensical call to start_sequence.
8493 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
8495 * clipper/clipper.c (clipper_va_start): Fix typos.
8497 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
8498 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
8499 (spur_va_arg): New stub.
8501 * configure.in: Comment out pyramid.
8503 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
8505 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
8506 don't conflict with the bits that win32, cygwin, and dgux
8509 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
8510 Bernd Schmidt <bernds@cygnus.co.uk>
8512 * integrate.c (function_cannot_inline_p): Do not inline
8513 functions with forced labels.
8515 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
8516 Bernd Schmidt <bernds@cygnus.co.uk>
8517 Mark Mitchell <mark@codesourcery.com>
8519 * Makefile.in (ggc-simple.o): Depend on varray.h.
8520 (rtl.o): Depend on ggc.h.
8521 (genattrtab.o): Depend on ggc.h.
8522 (print-tree.o): Likewise.
8523 (fold-const.o): Likewise.
8524 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
8525 (make_insn_raw): Don't cache insns when GC'ing.
8526 (emit_insn_before): Likewise.
8527 (emit_insn_after): Likewise.
8528 (emit_insn): Likewise.
8529 (start_sequence): Use xmalloc to allocate the sequence_stack.
8530 (end_sequence): Add free to free it.
8531 (gen_sequence): Don't cache insns when GC'ing.
8532 (clear_emit_caches): Don't use sequence_element_free_list.
8533 (init_emit): Use xcalloc, not xmalloc+bzero.
8534 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
8535 * function.c (pop_function_context_from): Use free to free the
8536 fixup_var_refs_queue.
8537 (put_reg_into_stack): Allocate it with xmalloc.
8538 * genattrtab.c: Include ggc.h.
8539 (operate_exp): Don't use obstack_free when GC'ing.
8540 (simplify_cond): Likewise.
8541 (simplify_text_exp): Likewise.
8542 (optimize_attrs): Likewise.
8543 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
8545 (gencode): Generate a #include for ggc.h.
8546 * ggc-callbacks.c (ggc_p): Define it to zero.
8547 * ggc-none.c (ggc_p): Likewise.
8548 * ggc-simple.c: Include varray.h.
8549 (ggc_mark_tree_varray): New function.
8550 (ggc_add_tree_varray_root): Likewise.
8551 (ggc_mark_tree_varray_ptr): Likewise.
8552 * ggc.h (ggc_p): Declare.
8553 (varray_head_tag): Likewise.
8554 (ggc_add_tree_varray_root): Declare.
8555 * print-tree.c (print_node): Don't check for TREE_PERMANENT
8556 inconsistencies when GC'ing.
8557 * rtl.c: Include ggc.h.
8558 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
8559 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
8560 (rtx_free): Don't call obstack_free when GC'ing.
8561 * toplev.c (rest_of_compilation): Call ggc_collect after every
8563 * tree.c (push_obstacks): Do nothing, if GC'ing.
8564 (pop_obstacks_nochange): Likewise.
8565 (pop_obstacks): Likewise.
8566 (make_node): Use ggc_alloc_tree when GC'ing.
8567 (copy_node): Likewise.
8568 (get_identifier): Use ggc_alloc_string when GC'ing.
8569 (build_string): Likewise.
8570 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
8571 (tree_cons): Likewise.
8573 (type_hash_canon): Don't call obstack_free when GC'ing.
8575 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
8577 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
8578 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
8580 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
8581 Bernd Schmidt <bernds@cygnus.co.uk>
8582 Mark Mitchell <mark@codesourcery.com>
8584 * Makefile.in (stor-layout.o): Depend on ggc.h.
8585 (expr.o): Depend on ggc.h.
8586 (profile.o): Depend on ggc.h.
8587 (stor-layout.o): Depend on ggc.h.
8588 * emit-rtl.c (init_emit_once): Add gc roots.
8589 * expr.c: Include ggc.h.
8590 (emit_block_move): Add gc roots.
8591 (clear_storage): Likewise.
8592 * expr.h (init_stor_layout_once): New function.
8593 * profile.c: Include ggc.h.
8594 (init_arc_profiler): profiler_label is a root.
8595 * scan.c (make_sstring_space): Trust xrealloc to function
8596 correctly with first parameter NULL.
8597 * stor-layout.c: Include ggc.h.
8598 (set_sizetype): Add gc root.
8599 (init_stor_layout_once): New function.
8600 * toplev.c (compile_file): Call it.
8602 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
8603 Bernd Schmidt <bernds@cygnus.co.uk>
8604 Mark Mitchell <mark@codesourcery.com>
8606 * Makefile.in (tree.o): Depend on ggc.h.
8607 (varasm.o): Likewise.
8608 (function.o): Likewise.
8610 (except.o): Likewise.
8611 (optabs.o): Likewise.
8612 (emit-rtl.o): Likewise.
8613 * emit-rtl.c: Include ggc.h.
8614 (sequence_element_free_list): Remove, and all references.
8615 (mark_sequence): New functions.
8616 (mark_emit_state): New function.
8617 * except.c: Include ggc.h.
8618 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
8619 (mark_tree_label_node): New functions.
8620 (mark_eh_state): New function.
8621 * function.c: Include ggc.h.
8622 (mark_temp_slot, mark_function_chain): New functions.
8623 (mark_function_state): New function.
8624 (init_function_once): New function.
8625 * function.h (init_function_once): New function.
8626 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
8627 * ggc.h (label_node): Declare.
8628 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
8629 (lang_mark_false_label_stack): New function.
8630 (mark_temp_slot): Remove declaration.
8631 (mark_function_chain): Likewise.
8632 (mark_eh_state): Adjust prototype.
8633 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
8635 * optabs.c: Include ggc.h.
8636 (mark_optab): New function.
8637 (init_optabs): Add gc roots.
8638 * stmt.c: Include ggc.h.
8639 (mark_cond_nesting, mark_loop_nesting): New functions.
8640 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
8641 (mark_stmt_state): New function.
8642 * toplev.c (compile_file): Call init_function_once.
8643 * tree.c: Include ggc.h.
8644 (type_hash): Move declaration earlier in file.
8645 (TYPE_HASH_SIZE, type_hash_table): Likewise.
8646 (init_obstacks): Add gc roots.
8647 (mark_type_hash): New function.
8648 * varasm.c: Include ggc.h.
8649 (mark_pool_constant): New function.
8650 (mark_varasm_state): New function.
8652 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8654 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
8656 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8658 * c-decl.c (struct language_function): Renamed from struct c_function.
8660 (c_function_chain): Delete.
8661 (push_c_function_context): New arg F. Don't warn about nested
8662 functions here. Fill LANGUAGE elt of F. Delete code to update
8663 c_function_chain. Don't call push_function_context.
8664 (pop_c_function_context): New arg F. Restore from there instead of
8665 from c_function_chain. Don't call pop_function_context. Clear out
8666 LANGUAGE field of F when done.
8667 * c-lang.c: Include "function.h"
8668 (lang_init): Initialize save_lang_status and restore_lang_status.
8669 * c-parse.in (nested_function, nested_function_notype): Warn about
8670 nested functions. Call push_function_context/pop_function_context
8671 instead of the _c_ variants.
8672 * c-tree.h (push_c_function_context, pop_c_function_context): Update
8674 * Makefile.in (c-lang.o): Update dependencies.
8676 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
8677 regno_pointer_flag, regno_pointer_align.
8678 (gen_reg_rtx): Use xrealloc to enlarge them.
8679 (free_emit_status): New function.
8680 * function.c (mark_machine_status, mark_lang_status): New variables.
8681 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
8682 in some bits from assign_stack_local. All callers changed to use new
8684 (assign_stack_local): Just call assign_stack_local_1.
8685 (free_after_compilation): New function.
8686 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
8687 (trampoline_address): Likewise.
8688 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
8689 (prepare_function_start): Explicitly clear some more variables.
8690 * function.h (struct function): New elt can_garbage_collect.
8691 (mark_machine_status, mark_lang_status): Declare variables.
8692 (free_after_compilation, free_emit_status, free_varasm_status,
8693 init_varasm_status): Declare functions.
8694 * toplev.c (rest_of_compilation): Call free_after_compilation when
8695 done with the current function.
8696 * varasm.c (free_varasm_status): New function.
8698 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
8700 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
8701 (EXPAND_BUILTIN_VA_ARG): Define.
8702 * sparc.c (sparc_va_start): New.
8703 (sparc_va_arg): New.
8705 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8707 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
8709 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8711 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
8713 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
8715 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
8717 (ggc-callbacks.o): New target.
8718 * ggc-callbacks.c: New file.
8720 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8722 * expr.h: Collapse individual optab and libfunc vars to arrays.
8723 (optab_index, libfunc_index): New enumerations.
8724 (optab_table, libfunc_table): New arrays.
8725 Add accessor macros for both.
8727 * optabs.c (optab_table, libfunc_table): New.
8728 Delete declarations for individual optab and libfunc vars.
8730 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
8732 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
8734 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8736 * Makefile.in (GGC, GGC_LIB): New.
8737 (HOST_RTL): Include ggc-none.o.
8738 (ggc-simple.o): New target.
8739 (ggc-none.o): Likewise.
8740 * tree.h (tree_common): Add gc_mark.
8741 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
8742 (struct rtvec_def): Add gc_mark.
8743 * emit-rtl.c (global_rtl): Update static initializers to contain
8744 enough initializers.
8745 * ggc.h, ggc-none.c, ggc-simple.c: New files.
8746 * toplev.c (gc_time): New variable.
8747 (all_time): New variable.
8748 (compile_file): Print gc time.
8749 (print_time): Calculate percentage of the whole.
8751 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8753 Change obstack memory management and varasm constant pool handling so
8754 that nested functions are treated like any other functions.
8755 * function.c (init_machine_status): New variable.
8756 (push_function_context_to): Set contains_functions for the outer
8757 function. Don't call save_varasm_status.
8758 (pop_function_context_from): Don't call restore_varasm_status. Don't
8759 set current_function_contains_functions.
8760 (prepare_function_start): Call init_varasm_status rather than
8761 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
8763 * function.h (struct function) Add field varasm. Delete fields
8764 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
8765 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
8766 (init_machine_status): Declare.
8767 (save_varasm_status, restore_varasm_status): Delete declarations.
8768 (save_tree_status, restore_tree_status): Delete last argument.
8769 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
8770 code. All callers changed.
8771 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
8772 save_constants_in_decl_trees, restore_constants, save_constants,
8773 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
8775 (inlining): New variable.
8776 (reg_map, label_map, insn_map, orig_asm_operands_vector,
8777 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
8779 (save_for_inline_nocopy): Don't save constants.
8780 Don't set inl_emit field in current_function.
8781 (expand_inline_function): Use emit field, not inl_emit, of the inlined
8782 function. Set new variable inlining before
8783 calling copy_rtx_and_substitute.
8784 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
8785 constant pool references if inlining is nonzero.
8786 Delete ADDRESS and (most of the) CONST cases.
8787 (output_inline_function): Save and restore current_function/
8788 current_function_decl. Delete restore_constants code. Don't call
8789 init_const_rtx_hash_table.
8790 * output.h (init_const_rtx_hash_table): Don't declare.
8791 * rtl.h (struct function): Declare.
8792 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
8793 * toplev.c (rest_of_compilation): Don't treat nested functions or
8794 functions containing them specially. Delete all code to deal with
8795 save_for_inline_copying.
8796 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
8797 inline_obstacks): Delete variables.
8798 (save_tree_status): Lose arg CONTEXT. All callers changed.
8799 Simply allocate a new function_maybepermanent_obstack for the new
8800 function, delete all the special cases.
8801 Don't save inline_obstacks.
8802 (restore_tree_status): Lose arg CONTEXT. All callers changed.
8803 Delete special handling for function_maybepermanent_obstack; simply
8805 Don't restore inline_obstacks.
8806 (permanent_allocation): Delete code that frees inline_obstacks.
8807 (print_inline_obstack_statistics): Delete function.
8808 (dump_tree_statistics): Don't call it.
8809 * varasm.c (struct varasm_status): New.
8810 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
8811 last_pool, pool_offset, const_double_chain): Delete global
8812 variables, replace with accessor macros.
8813 (immed_double_const): Don't walk const_double_chain outside a
8814 function, but don't treat nested functions specially anymore.
8815 (immed_real_const_1): Likewise.
8816 (clear_const_double_mem): Don't treat nested functions specially.
8817 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
8818 (save_varasm_status, restore_varasm_status): Delete functions.
8819 (init_varasm_status): New function.
8820 (force_const_mem): Don't treat nested functions specially.
8821 (find_pool_constant): Accept new arg F, search for constants in
8822 that function's pool rather than the current one. All callers
8824 (get_pool_constant_for_function, get_pool_mode_for_function): New
8827 * i386.c (init_386_machine_status): New function, mostly from
8828 clear_386_stack_locals.
8829 (struct machine_functions): Rename element names to avoid name
8831 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
8832 macros, replacing global variables.
8833 (clear_386_stack_locals, save_386_machine_status,
8834 restore_386_machine_status): Delete functions.
8835 (override_options): Initialize init_machine_status.
8836 * i386.h (INIT_EXPANDERS): Delete macro.
8837 (save_386_machine_status, restore_386_machine_status,
8838 clear_386_stack_locals): Delete declarations.
8840 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8842 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
8843 (doloop_begin): Simplify pattern and use emit_jump_insn.
8844 (doloop_end): Simplify pattern, switch operand order,
8845 and use emit_jump_insn.
8847 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8849 * function.h (struct function): Add new element LANGUAGE.
8850 (save_lang_status): Declare new variable.
8851 (restore_lang_status): Likewise.
8852 * function.c (save_lang_status): Define.
8853 (restore_lang_status): Likewise.
8854 (push_function_context_to): Call language-specific save function.
8855 (pop_function_context_from): Call language-specific restore function.
8857 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8859 * i386.md (movsf_1): Check REG_P before use of REGNO.
8860 (movdf_1): Likewise.
8861 (movxf_1): Likewise.
8862 (extendsfdf2): Likewise.
8863 (extendsfxf2): Likewise.
8864 (extenddfxf2): Likewise.
8866 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8868 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
8869 constants into memory.
8870 (c4x_shiftable_constant): New function.
8871 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
8872 (c4x_shiftable_constant): Declare.
8873 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
8874 ashlqi3_noclobber): Add new patterns and associated splitters.
8876 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
8878 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
8879 * dwarf2out.c (dwarf2out_frame_init): Likewise.
8880 * final.c (shorten_branches): Likewise.
8881 * global.c (global_alloc): Likewise.
8882 * haifa-sched.c (build_control_flow): Likewise.
8883 * stmt.c (check_for_full_enumeration_handling): Likewise.
8884 (estimate_case_costs): Likewise.
8886 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
8888 * rtl.h (RTL_CHECKC2): Fix typo in last change.
8890 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
8892 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
8893 (recompute_reg_usage): Likewise.
8894 * rtlanal.c (find_regno_fusage): Likewise.
8896 * rtl.c (rtl_check_failed_code1): New function.
8897 (rtl_check_failed_code2): New.
8898 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
8899 (RTL_CHECKC1, RTL_CHECKC2): New.
8900 (XC*): New accessor macros.
8901 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
8902 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
8903 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
8904 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
8905 (TRAP_*, RANGE_INFO_*): Likewise.
8907 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8909 * Makefile.in (tlink.o): Don't depend on toplev.h.
8911 * collect2.c (c_file, o_file, export_file, import_file, ldout,
8912 output_file, nm_file_name, ldd_file_name, strip_file_name,
8913 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
8914 add_prefix, prefix_from_env, prefix_from_string, do_wait,
8915 fork_execute, maybe_unlink, add_to_list,
8916 extract_init_priority, write_list, dump_list,
8917 dump_prefix_list, write_list_with_asm, write_c_file,
8918 write_c_file_stat, write_c_file_glob, scan_prog_file,
8919 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
8920 ignore_library, extract_string, notice, dump_file, target_machine,
8921 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
8922 read_file, print_load_command): Constify a char*.
8923 (fdopen, error, fatal, fatal_perror): Don't prototype.
8924 (my_strerror): Remove. All callers use xstrerror instead.
8925 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
8926 (main): Add prototype. Constify lots of char* ptrs. Change calls
8927 to xcalloc/strcpy/strcat/... to one call to concat.
8928 (main, scan_prog_file, scan_libraries): Use an intermediate
8929 `const char **' to build an argv array.
8930 (mapfile, libselect, libcompare, locatelib): Add prototypes.
8932 * collect2.h (collect_execute, collect_wait, dump_file,
8933 file_exists): Constify a char*.
8934 (ldout, c_file_name, temporary_obstack, permanent_obstack,
8935 temporary_firstobj, vflag, debug): Add extern declarations.
8936 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
8938 * tlink.c: Don't include toplev.h.
8939 (vflag, debug, ldout, c_file_name, temporary_obstack,
8940 permanent_obstack, temporary_firstobj): Don't declare.
8941 (tlink_execute, frob_extension, symbol_hash_lookup,
8942 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
8943 recompile_files, read_repo_files, demangle_new_symbols,
8944 scan_linker_output): Constify a char*.
8945 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
8946 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
8948 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
8950 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
8951 (relative) rather than jsr (absolute) subroutine call insns.
8952 * config/m68k/m68k-coff.h: Ditto.
8954 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
8956 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
8957 now rework these too.
8958 (arm_reorg): If an insn can't reach the end of the current pool,
8959 ensure that we emit that pool before the insn.
8961 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
8963 * tlink.c (scan_linker_output): Skip the initial underscore in
8964 a mangled name if appropriate.
8966 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8968 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
8969 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
8970 error_with_ivar, gen_declarator, create_builtin_decl,
8971 my_build_string, generate_descriptor_table, generate_ivars_list,
8972 generate_dispatch_table, check_protocols, TAG_GETCLASS,
8973 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
8974 dump_base_name, lang_decode_option, build_encode_expr,
8975 start_class, finish_class, encode_pointer, really_start_method,
8976 gen_declaration, dump_interface, handle_class_ref, handle_impent):
8978 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
8979 Add static prototypes.
8980 (build_objc_string_decl, build_selector_reference_decl,
8981 encode_bitfield, build_class_reference_decl): Remove unused
8982 parameter, all callers changed.
8983 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
8984 (objc_printable_name): Likewise. Change second parameter to type int.
8985 (init_objc): Use memcpy, not bcopy, to avoid casts.
8987 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
8989 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
8990 reg notes on a deleted insn.
8991 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
8993 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
8995 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
8997 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8999 * stmt.c (expand_asm_operands): Fix index into inout_mode when
9002 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
9004 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
9005 * tm.texi (MD_ASM_CLOBBERS): Document it.
9007 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
9009 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
9010 * except.c (expand_rethrow): Remove unused variable.
9011 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
9012 * flow.c (replace_insns): Likewise.
9013 (create_edge_list, verify_edge_list): Likewise.
9014 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
9016 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
9017 is special code to run.
9018 (main): Don't define operands to emit_operand.
9019 * genrecog.c (main): Don't emit an empty peephole2_insn function.
9021 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
9023 * alpha/alpha.h (normal_memory_operand): Declare.
9024 (reg_no_subreg_operand): Declare.
9025 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
9027 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
9029 * c-parse.in (compstmt_primary_start): New, broken out of first
9030 part of compstmt handling in primary.
9031 (primary): Use it. Add an error clause.
9032 (compstmt_nostart): Renamed from compstmt; remove all
9033 initial invocations of compstmt_start.
9036 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
9038 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
9041 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
9043 * combine.c (simplify_shift_const): Remove extra semicolon.
9044 * dwarf2out.c (remove_AT): Likewise.
9045 * expmed.c (expand_mult): Likewise.
9046 * gcov.c (create_program_flow_graph): Likewise.
9047 * reorg.c (mostly_true_jump): Likewise.
9049 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
9051 * fold-const.c (fold_range_test): Do not try to fold the range
9052 test if the rhs or lhs has side effects.
9054 * combine.c (simplify_rtx): Recognize another case of a synthesized
9057 * varasm.c (mark_constant_pool): When marking indirect references,
9058 only look at SYMBOL_REFs.
9060 * except.c (expand_fixup_region_end): Do not peek at
9061 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
9063 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
9065 * flags.h: New variables align_loops, align_loops_log,
9066 align_jumps, align_jumps_log, align_labels, align_labels_log,
9067 align_functions, align_functions_log.
9068 * toplev.c: Define them.
9069 (f_options): Handle -falign-* when they have no argument.
9070 (main): Add logic to set variables for -falign-functions,
9071 -falign-jumps, -falign-labels, -falign-loops.
9072 Make it -fsched-verbose=<n> and -finline-limit=<n>.
9073 (display_help): Change help to match options.
9074 * final.c (LABEL_ALIGN): Default to align_labels_log.
9075 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
9076 (LOOP_ALIGN): Default to align_loops_log.
9077 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
9078 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
9079 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
9080 * varasm.c (assemble_start_function): Handle align_functions.
9082 * config/sparc/sparc.h: Don't declare sparc_align_*.
9083 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
9084 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
9086 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
9088 * config/sparc/sparc.c: Delete sparc_align_loops,
9089 sparc_align_jumps, sparc_align_funcs and the corresponding string
9091 (sparc_override_options): Default align_functions on ultrasparc.
9092 Delete -malign-* handling.
9094 * config/mips/mips.c (override_options): On 64-bit targets,
9095 try to align code to 64-bit boundaries.
9096 (print_operand): New substitution, %~,
9097 which aligns labels to align_labels_log.
9098 * config/mips/mips.md (div_trap_normal): Use %~.
9099 (div_trap_mips16): Likewise.
9104 (ashldi3_internal): Likewise.
9105 (ashrdi3_internal): Likewise.
9106 (lshrdi3_internal): Likewise.
9107 (casesi_internal): Likewise.
9109 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
9111 Merge new ia32 backend from the branch!
9113 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
9114 See ChangeLog.P2 on new_ia32_branch for details.
9116 * rtl.h (stack_regs_mentioned_p): Delete prototype.
9117 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
9118 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9119 * i386/gas.h (ASM_FILE_START): Define.
9120 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
9121 for name change of ix86_valid_decl_attribute_p.
9122 (i386_pe_valid_type_attribute_p): Similarly.
9124 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
9126 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
9127 to step through CC modes.
9129 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9131 * regmove.c (fixup_match_1): Don't move INSN in front of P if
9132 it would end up in the shadow of a live flags regsiter.
9134 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9136 * reload1.c: Fix many indentation problems.
9137 * reload.c: Likewise.
9139 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
9141 * alias.c (non_local_reference_p): Constify fmt.
9143 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
9145 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
9147 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
9149 * cse.c (delete_trivially_dead_insns): Do not delete stores to
9150 the internal_arg_pointer.
9152 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
9154 Merge peephole2 from new_ia32_branch:
9155 * Makefile.in (STAGESTUFF): Add *.peephole2.
9156 (mostlyclean): Likewise.
9157 (recog.o): Depend on resource.h.
9159 * final.c (peephole): Conditionalize decl on HAVE_peephole.
9160 (final_scan_insn): Likewise for the invocation of peephole.
9161 * genconfig.c (main): Look for peephole and peephole2 patterns.
9162 Emit HAVE_peephole* accordingly.
9163 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
9164 * flags.h (flag_peephole2): Declare.
9165 * toplev.c: New pass peephole2. New flag -fpeephole2.
9167 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
9168 * gencodes.c (main): Likewise.
9169 * genextract.c (main): Likewise.
9170 * genoutput.c (main): Likewise.
9171 * genemit.c (max_operand_1): Look for the max scratch operand.
9172 (gen_rtx_scratch): New.
9173 (gen_exp): Use it, and pass on new arg subroutine_type.
9174 (gen_expand): Take max scratch into account.
9175 (gen_split): Emit peephole2 functions.
9176 (output_peephole2_scratch): New.
9177 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
9178 * genrecog.c (routine_type): Add PEEPHOLE2.
9180 (make_insn_sequence): Match outer parallel for peep2. Discard
9181 top level scratches and dups.
9182 (add_to_sequence): New args insn_type and top. Update all callers.
9183 Handle toplevel peep2 matching insns.
9184 (write_subroutine): Handle peep2.
9185 (write_tree_1): Likewise.
9186 (write_tree): Likewise.
9188 (change_state): New arg afterward. Update all callers.
9189 Handle matching separate insns.
9190 * recog.c (recog_next_insn): New.
9191 (peephole2_optimize): New.
9192 * rtl.def (DEFINE_PEEPHOLE2): New.
9193 * resource.c (find_free_register): New argument last_insn. Use it
9194 to find a register available through the entire span.
9195 * resource.h (find_free_register): Update prototype.
9197 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
9199 * i386.c (output_strlen_unroll): Don't write xops[7]
9200 label if it wasn't set.
9202 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
9204 * cpplib.c (struct directive): Const-ify name pointer and
9205 function pointer prototype.
9206 (validate_else, do_define, do_line, do_include, do_undef,
9207 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
9208 do_elif, do_endif, do_sccs, do_assert, do_unassert,
9209 do_warning): Const-ify second arg.
9210 (directive_table): Mark const. Reorder entries by frequency
9211 of usage, record statistics.
9213 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
9215 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
9216 bounds- check RTL accesses if --enable-checking.
9217 (RTVEC_ELT): Bounds check if --enable-checking.
9218 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
9219 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
9220 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
9222 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
9223 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
9225 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
9226 (NOTE_SOURCE_FILE): Use X0STR.
9227 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
9228 MEM_ALIAS_SET): Use X0INT.
9229 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
9230 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
9232 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
9233 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
9234 (rtl_check_failed_bounds, rtl_check_failed_type1,
9235 rtl_check_failed_type2, rtvec_check_failed_bounds): New
9237 (fancy_abort): Fix comment.
9239 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
9240 (cse_insn): Decrement LABEL_NUSES for jump target before
9242 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
9243 * final.c (alter_subreg): Compute regno before changing x to
9244 REG; set REGNO(x) after changing it.
9245 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
9246 notes containing CONST_INTs.
9247 (delete_eh_regions): Use NOTE_EH_HANDLER.
9248 * function.c (put_reg_into_stack): Make reg a MEM before
9250 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
9252 (gen_mem_addressof): Make reg a MEM before initializing it.
9253 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
9255 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
9256 deleting an insn, not after.
9257 (block_alloc): Only look at PATTERN(insn) if we have to, and
9258 only if it's format class 'i'.
9259 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
9260 CONST_INT before using its INTVAL.
9261 * print-rtl.c (print_rtx): Use X0STR.
9262 * regmove.c (fixup_match_1): Don't look at PATTERN of
9263 non-class-'i' insn chain elements.
9264 * reload.c (loc_mentioned_in_p): Take address of
9265 in->fld[1].rtx directly.
9266 * reload1.c (reload): Change reg to a MEM before initializing
9268 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
9270 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
9272 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
9274 * config/mips/mips.c (machine_dependent_reorg): Force a
9275 barrier to output the local constant pool if a barrier hasn't
9276 been found at a natural point in the instruction stream.
9278 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9280 * c-parse.in (language_string): Constify.
9282 * dwarf2out.c (language_string): Remove declaration.
9284 * dwarfout.c (language_string): Likewise.
9286 * toplev.c (language_string, init_parse, finish_parse): Likewise.
9288 * tree.h (language_string, init_parse, finish_parse): Declare.
9290 * i386/sun386.h (language_string): Remove declaration.
9292 * mips.h (language_string): Likewise.
9294 * nextstep.h (language_string): Likewise.
9296 * nextstep21.h (language_string): Likewise.
9298 * rs6000.c (language_string): Likewise.
9300 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9302 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
9303 (getpwd.o): Remove target.
9305 * getpwd.c: Delete file. Its in libiberty now.
9307 * dbxout.c (getpwd): Don't prototype.
9308 * dwarf2out.c (getpwd): Likewise
9309 * dwarfout.c (getpwd): Likewise
9310 * final.c (getpwd): Likewise.
9311 * protoize.c (getpwd): Likewise.
9313 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9315 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
9317 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9319 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
9322 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
9324 * fixinc/Makefile.in (subdir): New.
9325 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
9328 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
9330 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
9331 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
9334 * invoke.texi: Fix typo.
9336 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
9337 changed. Handle autoincrement addressing modes.
9339 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
9340 just like we would the virtual incoming args register when
9343 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
9345 * rs6000.h (ASM_FILE_START): Specify complete filename, including
9346 path, in .file directive.
9348 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
9350 * gcc.texi (External Bugs): Remove obsolete note about Perl on
9353 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
9355 * stdbool.h: Make the typedef name _Bool, with bool a #defined
9358 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9360 * tree.c (tree_code_name): Constify a char*.
9362 * tree.h (tree_code_name, decl_printable_name): Likewise.
9364 * function.h (struct function): Likewise.
9366 * toplev.c (decl_name, decl_printable_name): Likewise.
9368 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
9370 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
9371 (init_objc): Remove function pointer cast.
9373 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9375 * pa.md (interspace_jump): New pattern.
9376 (builtin_longjmp): New expander.
9378 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
9380 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
9381 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
9382 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
9384 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
9386 * jump.c (delete_prior_computation): Also check calls
9387 to constant functions. Don't bother checking for a
9388 REG_UNUSED note before adding it.
9389 (delete_computation): Handle multi-word hard registers
9390 when synthesizing missing REG_DEAD notes for a register
9391 which is both set and used by an insn.
9393 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9395 * loop.c (this_loop_info): New variable.
9396 (loop_has_call, loop_has_volatile, loop_has_tablejump,
9397 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
9399 (prescan_loop, strength_reduce): New argument loop_info. All callers
9401 (scan_loop): New variable loop_info, initialise to address of
9403 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
9404 Delete variable loop_has_multiple_exit targets and replace with
9405 field in this_loop_info.
9406 (find_and_verify_loops): Rename this_loop to this_loop_num.
9407 (strength_reduce): Delete loop_iteration_info. Replace variable
9408 loop_info with function argument of same name.
9409 (insert_bct): Rework test for loop being completely unrolled.
9411 * loop.h (struct loop_info): New fields num, loops_enclosed,
9412 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
9413 has_indirect_jump, and cont. Redefine use of unroll_number.
9414 (loop_unroll_number): Delete.
9416 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
9418 (loop_iterations): Delete variable vtop and instead use
9419 loop_info->vtop computed in prescan_loop.
9421 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
9423 * fix-header.c (main): Do not pass a null pointer to strcmp.
9425 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
9427 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
9429 * configure: Rebuilt.
9431 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
9433 * jump.c (jump_optimize_1): Do not delete assignments to
9434 internal_arg_pointer.
9435 * cse.c (delete_trivially_dead_insns): Always consider a set of
9436 the internal_arg_pointer live.
9438 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
9440 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
9441 (update_life_info) [REG_WAS_0]: Search the original insns rather
9442 than the new insns for the note. Fix typos finding note_dest.
9443 If no dest found, discard the note rather than abort.
9444 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
9445 (replace_insns): Remove the old insn list after update_life_info
9448 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
9450 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
9452 (sched_analyze_1): Let add_dependence care for not adding dups.
9453 (sched_analyze_2): Likewise.
9454 (add_branch_dependences): Likewise.
9456 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
9458 * i386/winnt.c (export_list): New type.
9459 (exports_head): Rename to
9460 (export_head): this.
9461 (i386_pe_record_exported_symbol): Add is_data flag.
9462 (i386_pe_asm_file_end): Emit directive for exported variables.
9463 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
9465 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
9466 (ASM_DECLARE_OBJECT_NAME): Likewise.
9467 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9468 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
9470 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
9472 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
9474 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
9477 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
9479 * config/openbsd.h: Define SET_ASM_OP.
9480 * tm.texi: cross-reference SET_ASM_OP in the index.
9482 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
9484 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
9485 for a CONST_DOUBLE, at compile time. Initialize rtx_length
9486 and class_narrowest_mode at compile time. Kill init_rtl.
9487 Mark rtx_length, mode_class, mode_size, mode_unit_size,
9488 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
9489 rtx_format as const. Kill all references to EXTRA_CC_MODES or
9491 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
9493 * rtl.h: Declare rtx_length and rtx_format as const.
9494 * machmode.def: Define CC(). Use CC() to define CCmode. If
9495 EXTRA_CC_MODES is defined, expand it here.
9496 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
9497 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
9498 const. Kill all references to EXTRA_CC_MODES.
9500 * toplev.c: Don't prototype or call init_rtl.
9501 * optabs.c: Don't call init_mov_optab.
9502 * genemit.c: Don't generate init_mov_optab. Don't call
9504 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
9506 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
9507 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
9508 genrecog.c: Don't call init_rtl.
9510 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
9511 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
9512 definition of EXTRA_CC_MODES.
9514 * md.texi: Kill ref to EXTRA_CC_NAMES.
9515 * tm.texi: Document new way to define EXTRA_CC_MODES.
9517 * genrecog.c: Do not look up the name of a define_split.
9520 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
9522 * config/v850/v850.md: Fix typo introduced by previous delta.
9524 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9526 * gcc.c (fatal): Make definition static to match prototype.
9528 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9530 * combine.c (get_last_value): Don't look for earlier sets if the last
9531 known set is somewhere in between the insns being combined.
9533 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
9535 * configure.in: Don't use shell ! to negate exit codes
9536 * configure: Regenerate
9538 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
9540 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
9541 the fact that ALIGN is measured in bits, not bytes.
9543 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
9545 * errors.c: New file; defines functions error, warning, and
9546 fatal, variables have_error and progname.
9547 * errors.h: New file; prototypes and decls for stuff in errors.c.
9549 * Makefile: Add rules to build errors.o and
9550 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
9551 genopinit, genrecog, genextract, genpeep, genattr, and
9552 genoutput with errors.o. Add errors.h to deps of genconfig.o,
9553 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
9554 genpeep.o, genattr.o, and genoutput.o.
9556 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
9557 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
9558 define or prototype fatal. Set progname at beginning of main.
9559 * genoutput.c: Likewise, and don't define or prototype error
9562 * c-typeck.c (c_expand_start_case): Return immediately if exp
9564 * fold-const.c (operand_equal_p): Return immediately if arg1
9565 or arg0 are ERROR_MARKs.
9566 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
9567 fields of type ERROR_MARK when calculating if the record can
9570 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
9571 with much help from Jeffrey A Law and Richard Henderson
9573 * i386.md: In the 6 insns which call output_fix_trunc,
9574 earlyclobber operands[0].
9576 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
9578 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
9579 creating new registers.
9581 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
9583 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
9584 i386_reg_alloc_order, i386_regparm_string,
9585 i386_align_loops_string, i386_align_jumps_string,
9586 i386_align_funcs_string, i386_preferred_stack_boundary_string,
9587 and i386_branch_cost_string as type "const char *".
9588 * i386.c: Define all above strings as type "const char *".
9590 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
9592 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
9593 when emitting alignment padding. Emit padding byte of 0 instead of 4.
9595 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
9597 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
9598 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
9600 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
9602 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
9603 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
9604 (dwarf2out_line, dwarf2out_finish): Likewise.
9605 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
9607 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9609 * tree.c (lang_unsave_expr_now) : Correct return type.
9610 * tree.h (lang_unsave_expr_now) : Same.
9612 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
9614 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
9615 instead of duplicating code.
9617 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9619 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
9621 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
9623 * tree.h: fancy_abort always takes three args.
9624 * resource.c: Move include of system.h before toplev.h.
9626 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
9628 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
9631 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
9633 * system.h: Don't redefine abort or trim_filename.
9634 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
9635 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
9636 whether or not __FUNCTION__ is available.
9637 * tree.h: Duplicate rtl.h's definition of abort, for files
9638 that don't include rtl.h. Delete all code to perform type
9639 checking with a compiler other than GCC.
9640 * varray.h: Delete all code to perform type checking with a
9641 compiler other than GCC. Make VARRAY_CHECK() always evaluate
9642 its arguments exactly once, using a statement expression.
9643 Adjust the VARRAY_<type> accessor macros to match.
9644 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
9645 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
9646 caller's location. Define fatal_insn and fatal_insn_not_found
9647 as macros that use _fatal_insn and _fatal_insn_not_found.
9648 (fancy_abort, trim_filename): Kill prototypes.
9650 * rtl.c (trim_filename): Move here from toplev.c.
9651 (fancy_abort): New function.
9652 (DIR_SEPARATOR): Provide default definition.
9653 * tree.c (tree_check_failed, tree_class_check_failed): Go
9654 through fancy_abort.
9655 (tree_check, tree_class_check, cst_or_constructor_check,
9656 expr_check): Delete.
9657 * varray.c (varray_check_failed): New function.
9658 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
9659 _fatal_insn and _fatal_insn_not_found. Go through
9661 (trim_filename, fancy_abort): Delete.
9663 * builtins.c (expand_builtin_args_info): Report ICE with abort.
9664 * except.c (start_catch_handler): Report ICE with error/abort
9666 * final.c (output_operand_lossage): Likewise.
9667 * flow.c (verify_flow_info): Likewise.
9669 * gcc.c: Prototype fatal.
9670 * gengenrtl.c: Undef abort after including rtl.h not system.h.
9671 * genattr.c, genattrtab.c, genemit.c, genextract.c,
9672 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
9673 Don't define fancy_abort.
9675 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
9677 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
9680 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
9682 * m88k.h (VERSION_INFO2): Kill.
9683 (VERSION_STRING): Kill.
9685 (VERSION_INFO1): Tidy.
9686 (TARGET_VERSION): Update.
9687 * m88k/dgux.h (VERSION_INFO2): Kill.
9688 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
9689 * m88k/luna.h (VERSION_INFO1): Tidy.
9690 * m88k/sysv4.h (VERSION_INFO1): Likewise.
9691 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
9692 (output_file_start): Adjust for death of VERSION_STRING.
9694 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
9696 * cpplib.c (detect_if_not_defined): New function.
9697 (do_if): Use it to detect potential once-only headers.
9699 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
9701 * c-common.c (combine_strings): Always set TREE_CONSTANT.
9703 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
9705 * combine.c (nonzero_bits) : Allow single-ly set registers to be
9706 anywere in the function only if they are pseudos and set before
9707 being used (not live at the start of the function).
9708 (num_sign_bit_copies) : Same.
9709 (get_last_value_validate) : Same.
9710 (get_last_value) : Same.
9712 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
9714 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
9715 where N and M are constant and N is an integer multiple of M.
9717 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9719 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
9720 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
9721 sbitmap_union_of_preds): Add prototypes.
9722 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
9723 the intersection of successors with the new flow graph structures.
9724 (sbitmap_intersection_of_preds): New function to compute the
9725 intersection of predecessors with the new flow graph structures.
9726 (sbitmap_union_of_succs): New function to compute the union of
9727 successors with the new flow graph structures.
9728 (sbitmap_union_of_preds): New function to compute the union of
9729 predecessors with the new flow graph structures.
9730 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
9731 (expr_reaches_here_p): Use edge and basic_block structures instead
9732 of s_preds and s_succs.
9733 (compute_cprop_avinout): Use new sbitmap routines.
9734 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
9735 of s_preds and s_succs.
9736 * flow.c (compute_flow_dominators): Compute dominators using
9737 edges and basic blocks instead of s_preds and s_succs.
9739 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
9741 * lists.c (unused_insn_list, unused_expr_list): New file for
9742 maintaining various types of lists. New statics for maintaining a
9743 cache of available INSN_LIST and EXPR_LIST nodes.
9744 (free_list): Static function for freeing a list of INSN/EXPR nodes.
9745 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
9746 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
9747 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
9748 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
9749 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
9750 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
9751 (free_INSN_LIST_node): Free an individual INSN_LIST node.
9752 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
9753 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
9754 (remove_dependence, free_pending_lists): Use new global routines.
9755 (flush_pending_lists, sched_analyze_insn): Use new global routines.
9756 (sched_analyze, compute_block_backward_dependences): Use new routines.
9757 (sched_analyze_1, sched_analyze_2): Use new routines.
9758 (schedule_insns): Use new global routines.
9759 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
9761 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
9762 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
9764 * toplev.c (rest_of_compilation): Initialize node cache.
9765 * Makefile.in (OBJS): Add lists.o to list of object files.
9766 (lists.o): Add dependancies.
9768 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
9770 * config/v850/v850.md: Fix compile time warning messages.
9771 * config/v850/v850.c: Fix compile time warning messages.
9772 * config/v850/v850.h: Fix compile time warning messages.
9774 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9776 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
9777 Remove unused prototype for `init_lengths'.
9779 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9781 * calls.c (emit_call_1): Mark parameter `stack_size' with
9783 (expand_call): Initialize variable `insn'.
9784 (emit_library_call): Likewise for variable `high_to_save'.
9785 (emit_library_call_value): Likewise.
9786 (store_one_arg): Likewise for variables `lower_bound' and
9789 * combine.c (try_combine): Likewise for variables `i2_code_number'
9790 and `other_code_number'.
9791 (find_split_point): Likewise for variables `pos', `unsignedp' and
9793 (simplify_if_then_else): Likewise for variables `op' and `c1'.
9794 (simplify_and_const_int): Remove unused variable `width'.
9795 (merge_outer_ops): Likewise.
9797 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
9798 HOST_WIDE_INT' when comparing against one.
9799 (simplify_relational_operation): Likewise.
9800 (cse_insn): Initialize variables `src_eqv_volatile',
9801 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
9803 * final.c (init_final): Constify parameter `filename'.
9804 (final_start_function): Mark parameter `optimize' with
9806 (profile_function): Likewise for parameters `first' and `optimize'.
9807 (output_source_line): Likewise for parameter `file'.
9809 * integrate.c (subst_constants): Cast a value to `size_t' when
9810 comparing against one.
9811 (mark_stores): Initialize variable `mode'. Cast a value to
9812 `size_t' when comparing against one.
9814 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
9816 * loop.c (move_movables): Initialize variable `first'.
9817 (strength_reduce): Likewise for variable `increment'.
9818 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
9819 value to `size_t' when comparing against one.
9820 (load_mems): Initialize variable `end_label'.
9822 * output.h (init_final): Constify parameter.
9824 * reload.c (decompose): Initialize variable `base'.
9826 * reload1.c (reload): Likewise for variable `is_scalar'.
9827 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
9828 (choose_reload_regs): Initialize variable `mode'.
9829 (emit_reload_insns): Likewise for variable `store_insn'.
9830 (reload_cse_noop_set_p): Mark parameter `insn' with
9832 (reload_combine): Initialize variable `set'.
9834 * unroll.c (unroll_loop): Likewise for variable `local_label'.
9835 (copy_loop_body): Cast a value to `size_t' when comparing against
9838 * varasm.c (assemble_variable): Initialize variable `size_tree'.
9839 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
9840 (remove_from_pending_weak_list): Mark parameter `name' with
9843 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9845 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
9848 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
9850 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
9851 (ASM_DECLARE_FUNCTION_NAME): Define.
9852 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
9853 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
9854 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
9855 not already defined.
9857 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9859 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
9860 of n_popped when call/call_value are not defined.
9862 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
9864 * tm.texi: GNU CC -> GCC conversion.
9865 (CC1_SPEC): Indicate it is used for all language front ends.
9867 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
9869 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
9870 NOTE_INSN_EH_REGION_END correctly.
9872 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
9873 Jeff Law <law@cygnus.com>
9875 * loop.c (strength_reduce): Automatically unroll loops if the
9876 unrolled loop size is smaller than the rolled loop size.
9878 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
9879 and delete comment that code should be rewritten.
9881 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
9883 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
9886 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
9888 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
9890 * fixinc/mkfixinc.sh: Don't fix uwin headers.
9891 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
9892 (LINK_SPEC): Add -u _main when building executables.
9893 (ASM_DECLARE_FUNCTION): Update from Cygwin.
9894 (ASM_FILE_END): Use the default for ix86-pe.
9895 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
9897 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
9899 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
9900 and ASM_CLOSE_PAREN are empty strings.
9902 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
9903 Geoffrey Keating <geoffk@cygnus.com>
9905 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
9906 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
9907 (unprotoize.o): Ditto.
9908 (test-protoize-simple): Don't define STD_PROTO_DIR.
9909 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
9910 changes to make 'test-protoize-simple' pass.
9911 (STD_PROTO_DIR): Remove define.
9912 (STANDARD_EXEC_PREFIX): Supply default define.
9913 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
9914 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
9915 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
9916 (GET_ENV_PATH_LIST): New macro.
9917 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
9918 (do_processing): Initialize default_syscalls_dir using new
9919 macros. Use it to initialize syscalls_absolute_filename.
9921 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
9923 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
9924 B into a register before emit_conditional_move.
9926 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
9928 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
9929 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
9930 multiplicand out of (+ (* a b) (* c d)).
9932 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
9933 Richard Henderson <rth@cygnus.com>
9935 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
9936 (new_insn_dead_notes): Likewise.
9937 (update_n_sets): Likewise.
9938 (update_flow_info): Move to flow.c, renamed to update_life_info;
9939 extend to handle multiple source insns.
9940 * flow.c: Include resource.h
9941 (unlink_insn_chain): New.
9942 (split_hard_reg_notes): New.
9943 (maybe_add_dead_note): New.
9944 (maybe_add_dead_note_use): New.
9945 (find_insn_with_note): New.
9946 (new_insn_dead_notes): New.
9947 (update_n_sets): New.
9948 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
9949 (maybe_remove_dead_notes): New.
9950 (update_life_info): New.
9951 (prepend_reg_notes): New.
9952 (replace_insns): New.
9953 * output.h (update_life_info): Declare.
9954 * recog.c (split_block_insns): Use update_life_info.
9955 * resource.c (find_free_register): Use reg_alloc_order, don't use
9956 fixed regs, make sure the mode is supported, don't use new regs.
9958 * rtl.h (replace_insns): Declare.
9960 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
9962 * expr.c (expand_expr): Cope with COND_EXPRs with one
9963 non-returning branch.
9965 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
9967 * expr.c (store_expr): Always pass down the target, even when not
9970 1999-08-24 Nick Clifton <nickc@cygnus.com>
9972 * configure.in: Define target_cpu_default for v850 targets.
9973 * configure: Regenerate
9975 * config/v850/v850.h (TARGET_CPU_generic): Define.
9976 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
9977 addresses are 4 byte aligned.
9979 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
9982 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9984 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
9985 (main): Add prototypes.
9987 * genattrtab.c (substitute_address, write_const_num_delay_slots,
9988 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
9989 (write_attr_get): Emit prototypes along with function definition.
9990 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
9991 (write_complex_function): Emit static prototype along with
9992 function definition.
9994 * genemit.c (gen_split): Emit prototypes along with function
9997 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
9998 Likewise for predicates and `insn_operand_predicate'.
9999 (process_template): Emit static prototype along with function
10002 * genrecog.c (make_insn_sequence): Constify a char*. Add
10003 prototypes for get_split_*().
10004 (write_subroutine): Emit prototypes along with function
10007 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10009 * gcse.c (find_avail_set): Follow chains of register-register copies.
10010 Use oprs_not_set_p to guarantee that the returned value can be
10012 (cprop_insn): Don't verify the return value of find_avail_set with
10015 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
10016 (cprop_cc0_jump): New function.
10017 (cprop_insn): Break out new function cprop_jump and use it.
10018 Also use cprop_cc0_jump for machines with CC0.
10019 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
10021 * tree.h (current_function_calls_setjmp,
10022 current_function_calls_longjmp): Delete declarations.
10023 * dsp16xx.c: Include "function.h".
10024 * elxsi.c: Likewise.
10025 * gmicro.c: Likewise.
10026 * h8300.c: Likewise.
10027 * i370.c: Likewise.
10028 * m32r.c: Likewise.
10029 * mn10200.c: Likewise.
10030 * mn10300.c: Likewise.
10031 * ns32k.c: Likewise.
10032 * spur.c: Likewise.
10033 * v850.c: Likewise.
10035 * rtl.h (rtx_equal_function_value_matters): Declare.
10036 * toplev.c (rtx_equal_function_value_matters): Don't declare.
10038 * function.c: Likewise.
10039 * emit-rtl.c: Likewise.
10041 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
10043 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
10046 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10048 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
10051 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
10053 * cpp.texi: Add a node documenting macro varargs (copied
10056 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
10058 * cppspec.c: Put a null pointer at the end of the new argv.
10060 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
10062 * configure.in: Remove code to select/de-select the haifa
10063 scheduler. Every scheduled port gets haifa now.
10064 * configure: Rebuilt.
10065 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
10067 * Makefile.in: Corresponding changes.
10069 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10071 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
10072 All callers changed.
10073 (prepare_float_lib_cmp): Likewise.
10074 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
10075 * expr.h (emit_float_lib_cmp): Delete declaration.
10076 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
10077 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
10078 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
10080 (cmptf): Now conditional on TARGET_HARD_QUAD.
10082 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
10084 * resource.c (mark_target_live_regs): Use
10085 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
10087 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10089 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
10091 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
10093 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
10095 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10097 * rtl.h (rtx_format): Constify a char*.
10099 * rtl.c (rtx_format): Likewise.
10100 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
10101 (init_rtl): Use accessor macro, not `rtx_format'.
10103 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
10106 * caller-save.c (mark_referenced_regs): Likewise.
10108 * combine.c (subst, make_compound_operation, known_cond,
10109 gen_rtx_combine, update_table_tick, get_last_value_validate,
10110 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
10112 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
10113 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
10114 count_reg_usage): Likewise.
10116 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
10119 * final.c (leaf_renumber_regs_insn): Likewise.
10121 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
10122 dump_edge_info, count_reg_references): Likewise.
10124 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
10125 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
10128 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
10129 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
10130 add_label_notes): Likewise.
10132 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
10133 clear_struct_flag, count_sub_rtxs, count_alternatives,
10134 compares_alternatives_p, contained_in_p, walk_attr_value,
10135 write_expr_attr_cache): Likewise.
10137 * genconfig.c (walk_insn_part): Likewise.
10139 * genemit.c (max_operand_1, gen_exp): Likewise.
10141 * genextract.c (walk_rtx): Likewise.
10143 * genflags.c (num_operands): Likewise.
10145 * genoutput.c (scan_operands): Likewise.
10147 * genpeep.c (match_rtx): Likewise.
10149 * genrecog.c (add_to_sequence): Likewise.
10151 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
10154 * integrate.c (save_constants, copy_for_inline,
10155 copy_rtx_and_substitute, subst_constants, restore_constants):
10158 * jump.c (mark_jump_label, invert_exp, redirect_exp,
10159 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
10161 * local-alloc.c (contains_replace_regs, memref_referenced_p):
10164 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
10165 add_label_notes, replace_call_address, count_nonfixed_reads,
10166 invariant_p, find_single_use_in_loop, find_mem_givs,
10167 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
10170 * print-rtl.c (reg_names, print_rtx): Likewise.
10172 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
10174 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
10175 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
10176 print_blocks): Likewise.
10178 * regclass.c (fix_register, record_address_regs,
10179 reg_scan_mark_refs): Likewise.
10181 * regmove.c (stable_but_for_p): Likewise.
10183 * reload.c (loc_mentioned_in_p, operands_match_p,
10184 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
10185 copy_replacements, refers_to_regno_for_reload_p,
10186 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
10187 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
10190 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
10191 delete_address_reloads_1, count_occurrences,
10192 reload_cse_mem_conflict_p, reload_combine_note_use,
10193 add_auto_inc_notes): Likewise.
10195 * resource.c (mark_referenced_resources, mark_set_resources):
10198 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
10199 reg_mentioned_p, regs_set_between_p, modified_between_p,
10200 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
10201 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
10202 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
10203 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
10205 * sched.c (sched_analyze_2, attach_deaths): Likewise.
10207 * stupid.c (stupid_mark_refs): Likewise.
10209 * unroll.c (remap_split_bivs): Likewise.
10211 * varasm.c (mark_constants): Likewise.
10213 * a29k/a29k.c (uses_local_reg_p): Likewise.
10215 * alpha/alpha.c (summarize_insn): Likewise.
10217 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
10218 eliminate_lr2ip): Likewise.
10220 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
10222 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
10223 reg_mentioned_in_mem): Likewise.
10225 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
10226 symbolic_reference_mentioned_p): Likewise.
10228 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
10230 * sh/sh.c (regs_used, mark_use): Likewise.
10232 * vax/vax.c (vax_rtx_cost): Likewise.
10234 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10236 * machmode.h (mode_name): Constify a char*.
10238 * rtl.c (mode_name): Likewise.
10240 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
10242 * optabs.c (init_libfuncs): Constify a char*.
10244 * print-tree.c (mode_name): Remove redundant declaration.
10245 (print_node): Use accessor macro, not `mode_name'.
10247 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
10249 (new_spill_reg): Constify a char*.
10251 * tree.c (mode_name): Remove redundant declaration.
10253 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10255 * rtl.c (rtx_name): Constify a char*.
10257 * rtl.h (rtx_name, fix_sched_param): Likewise.
10259 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
10260 (mypr): Use accessor macro, not `rtx_name'.
10262 * genemit.c (print_code): Constify a char*.
10264 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
10266 * genpeep.c (print_code): Constify a char*.
10268 * genrecog.c (print_code): Likewise.
10270 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
10271 end_bb): Add static prototype.
10272 (draw_edge): Constify a char*.
10273 (end_bb): Remove unused parameter.
10275 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
10276 print_block_visualization): Constify a char*.
10278 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
10280 * c-common.c (c_get_alias_set): Update comment.
10282 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10284 * linux.h (LIB_SPEC): Added.
10286 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10288 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
10290 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
10292 * tree.c (expr_check): Fix typo in last change.
10294 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
10296 * rtl.def (NOTE): Change format to "iuu0n".
10297 (ADDR_DIFF_VEC): Change format to "eEee0".
10298 (ADDRESSOF): Change format to "eit".
10300 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
10301 (RTVEC_ELT): Change to match.
10302 (XVECEXP): Use XVEC and RTVEC_ELT.
10303 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
10304 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
10305 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
10306 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
10307 TRAP_CONDITION, TRAP_CODE): Use XEXP.
10308 (INTVAL): Use XWINT.
10309 (ADDRESSOF_DECL): Use XTREE.
10310 (SET_ADDRESSOF_DECL): Delete.
10311 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
10312 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
10313 ifdefed out since 2.6 at least.
10314 (gen_rtvec_vv): Delete prototype.
10316 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
10318 (copy_most_rtx): Handle 't' format letter.
10319 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
10320 (gen_rtvec_vv): Delete function. All callers changed to use
10321 gen_rtvec_v instead.
10322 * print-rtl.c (print_rtx): Move special casing of NOTEs to
10323 the '0' format letter.
10325 * function.c (gen_mem_addressof): Don't use
10326 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
10328 * integrate.c (copy_rtx_and_substitute): Likewise.
10329 Copy 't' slots with XTREE.
10330 (subst_constants): Treat 't' slots like '[swi]' slots.
10331 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
10332 * jump.c (rtx_equal_for_thread_p): Likewise.
10333 * rtlanal.c (rtx_equal_p): Likewise.
10334 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
10335 only four arguments.
10336 * gengenrtl.c (type_from_format): Provide correct types for
10340 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
10341 If a recent gcc is in use (always in stage2 and beyond), use
10342 statement expressions, so we don't make a function call unless
10343 the check fails. Evaluate arguments exactly once.
10344 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
10345 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
10347 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
10348 they evaluate their arguments exactly once, irrespective of
10349 the compiler in use.
10351 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
10352 is used by the currently-enabled check macros. This is:
10353 (tree_check_failed, tree_class_check_failed): For gcc.
10354 (tree_check, tree_class_check, cst_or_constructor_check,
10355 expr_check): For other compilers.
10357 * gencheck.c: Do not define any *_CHECK1 macros.
10359 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
10360 Mark Mitchell <mark@codesourcery.com>
10362 * c-common.c (c_get_alias_set): Fix support for poitners and
10365 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
10367 * alias.c: Include tree.h.
10368 (nonlocal_reference_p, mark_constant_function): New functions.
10369 * flow.c (life_analysis): Call mark_constant_function.
10370 * rtl.h (mark_constant_function): Declare it.
10372 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
10374 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
10375 unrecognisable switches.
10377 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10379 * loop.c (recombine_givs): Set ix field after sorting.
10380 (recombine_givs): Remove bogus index / giv lockstep looping.
10382 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10384 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
10386 (emit_store_flag_force): Use do_compare_rtx_and_jump.
10387 (do_cmp_and_jump): Formatting fixes.
10388 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
10389 do_compare_rtx_and_jump instead of compare_from_rtx.
10390 (do_compare_rtx_and_jump): New function; mostly copied from
10392 (do_jump_for_compare): Delete.
10393 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
10395 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
10396 of compare/do_jump_for_compare pairs.
10397 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
10398 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
10399 compare_from_rtx/do_jump_for_compare pairs.
10400 (do_jump_by_parts_equality): Likewise.
10401 (do_jump_by_parts_equality_rtx): Likewise.
10402 * expr.h (do_compare_rtx_and_jump): Declare.
10403 * optabs.c (prepare_cmp_insn): New function, contains most of the code
10404 that used to be in emit_cmp_insn.
10405 (cmp_available_p): New function.
10406 (prepare_operand): New function.
10407 (emit_cmp_and_jump_insn_1): New function, contains some code that used
10408 to be in emit_cmp_insn.
10409 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
10410 parameters to be pointers; don't emit final compare but modify some of
10411 the values pointed to by the args so the caller can perform the
10412 correct comparison.
10413 (expand_binop): Call emit_store_flag_force with signed forms of
10415 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
10416 emit_jump_insn pair.
10417 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
10418 emit_cmp_and_jump_insn_1. Call emit_queue.
10419 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
10421 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
10422 jump sets cc0 before deleting it.
10423 * integrate.c (expand_inline_function): Likewise.
10424 * unroll.c (unroll_loop): Similar changes in several places.
10425 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
10426 before deleting it.
10428 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10430 * Makefile.in (insn-recog.o): Update dependencies.
10431 * genrecog.c (main): Make generated file include "function.h".
10433 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
10435 * cse.c (cse_insn): Call never_reached_warning when a jump is
10436 changed to be unconditional.
10437 * flags.h: Declare warn_notreached.
10438 * flow.c (delete_block): Call never_reached_warning when
10439 a block is deleted.
10440 * jump.c (delete_barrier_successors): Call never_reached_warning
10441 when we delete everything after a BARRIER.
10442 (never_reached_warning): New function.
10443 * rtl.h: Declare never_reached_warning.
10444 * toplev.c (warn_notreached): New variable.
10445 (lang_independent_options): Set warn_notreached
10446 when -Wunreachable-code.
10447 (compile_file): We need line numbers for -Wunreachable-code.
10449 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
10451 * haifa-sched.c (insn_unit): Fix typo on out of range test.
10452 * sched.c (insn_unit): Likewise.
10454 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
10456 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
10458 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10460 * flow.c (create_edge_list): Use xmalloc, not malloc.
10462 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
10464 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
10465 C-style comments. Do not lose the character before double slash.
10467 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10469 * basic-block.h (struct edge_list): Stucture to maintain a vector
10471 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
10472 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
10473 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
10474 New function prototypes.
10475 * flow.c (create_edge_list): Function to create an edge list.
10476 (free_edge_list): Discards memory used by an edge list.
10477 (print_edge_list): Debug output showing an edge list.
10478 (verify_edge_list): Internal consistency check for an edge list.
10479 (find_edge_index): Function to find an edge index for a pred and succ.
10481 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
10483 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
10486 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
10488 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
10490 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10492 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10494 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
10496 * toplev.c (rest_of_compilation): Allow machine dependent
10497 reorganisation pass to place information into the RTL dump
10498 file if it so wishes.
10500 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
10502 * explow.c (hard_function_value): Use VOIDmode instead of
10504 * stmt.c (expand_return): Likewise.
10505 * stor-layout.c (get_best_mode): Likewise.
10507 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
10508 emit call instead of emit_insn call.
10510 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
10512 * configure.in: Handle --disable/enable-win32-registry.
10513 * install.texi: Document --disable/enable-win32-registry.
10514 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
10515 (WIN32_REGISTRY_KEY): New macro.
10516 * prefix.c: Use to enable/disable win32-specific code.
10517 (lookup_key): Use versioned key.
10518 * configure: Regenerate.
10519 * config.in: Likewise.
10521 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
10523 * cpplib.c (read_line_number): New fn, split out of...
10526 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10528 tree.c (lang_unsave_expr_now) : New.
10529 (unsave_expr_now): Call lang_unsave_expr_now.
10530 tree.h (lang_unsave_expr_now) : New.
10532 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
10534 * toplev.c (flag_new_exceptions): On by default.
10536 1999-08-13 Michael Meissner <meissner@cygnus.com>
10538 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
10540 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
10542 * dwarfout.c (fundamental_type_code): Return FT_boolean for
10543 INTEGER_TYPE with precision==1, it's __java_boolean.
10545 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10547 * global.c (prune_preferences): Move some invariants out of the
10550 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
10552 * configure.in (alpha*-dec-osf*): Add osf5.
10554 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
10556 * configure.in: Rework handling of ARM GNU/Linux slightly.
10557 (arm*-*-linux-gnuoldld): New target.
10558 * configure: Regenerate.
10559 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
10560 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
10561 * config/arm/linux-oldld.h: New file.
10562 * config/arm/linux-elf26.h: Don't include linux-elf.h.
10563 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
10565 * config/arm/linux-elf.h (ASM_SPEC): Define.
10566 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
10567 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
10568 for 26-bit APCS and old linker.
10569 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
10571 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
10572 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
10573 don't define `arm' or `arm_elf'.
10574 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
10575 MULTILIB_DIRNAMES): Define. Fix typo in comment.
10577 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
10579 * rtl.texi: Fix typo.
10581 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
10583 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
10585 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
10587 * extend.texi (C++ Signatures): Remove node.
10588 * invoke.texi: Remove discussion of -fhandle-signatures,
10589 signature, sigof, __signature__, and __sigof__.
10591 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
10593 * Makefile.in (JAVAGC): Removed.
10595 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
10597 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10599 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10601 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10603 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
10605 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
10606 a register that is already known to be a pointer.
10608 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
10610 * fixinc/inclhack.tpl: Only install assert.h conditionally.
10611 * fixinc/inclhack.sh: Regenerated.
10612 * fixinc/fixincl.sh: Regenerated.
10614 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
10616 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
10617 Fix documentation of -ansi flag to describe its C++ behavior.
10618 Remove bogus reference to GCC 2.9.
10620 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
10622 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
10623 note if it is non-NULL.
10625 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10627 * except.h (eh_nesting_info): Add new structure defintion.
10628 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
10629 (reachable_handlers, update_rethrow_references): Add function
10631 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
10632 a rethrow symbol instead of an integer exception region number.
10633 * flow.c (Make_edges): Use new exception nesting routines to determine
10634 which handlers are reachable from a CALL or asynchronous insn.
10635 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
10637 (delete_eh_regions): Update rethrow labels, and don't delete
10638 regions which are the target of a rethrow.
10639 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
10640 avoid overloading the SYMBOL_REF_USED flag.
10641 (rethrow_symbol_map): Use new rethrow_ref field.
10642 (rethrow_used): Use new rethrow_ref field.
10643 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
10644 of an integer. Fix formatting.
10645 (output_exception_table_entry): Use new rethrow_ref field.
10646 (can_throw): Check for EH_REGION_NOTE before deciding
10647 whether a CALL can throw or not.
10648 (scan_region): Call rethrow_used() instead of accessing data structure.
10649 (update_rethrow_references): New function to make sure only regions
10650 which are still targets of a rethrow are flagged as such.
10651 (process_nestinfo): New static function to initialize a handler
10652 list for a specific region.
10653 (init_eh_nesting_info): New function to allocate and initialize
10654 the list of all EH handlers reachable from all regions.
10655 (reachable_handlers): New function to retrieve the list of handlers
10656 reachable from a specific region and insn.
10657 (free_eh_nesting_info): New function to dispose of a list of
10658 reachable handlers.
10660 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10662 * flow.c (split_edge): Set JUMP_LABEL field.
10663 (commit_one_edge_insertion): Set head correctly for insert_before.
10664 When inserting insns, update insn block numbers if allocated.
10666 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10668 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
10669 retry_incomplete_types): Add static prototype.
10670 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
10671 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
10672 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
10673 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
10674 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
10677 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
10678 dwarf2out_start_source_file, dwarf2out_line): Likewise.
10680 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10682 * output.h (assemble_name): Constify a char*.
10684 * varasm.c (UNIQUE_SECTION, assemble_start_function,
10685 assemble_variable, assemble_name): Likewise.
10687 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
10689 * arm/pe.c (arm_pe_unique_section): Likewise.
10691 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
10693 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
10695 * i386/interix.c (i386_pe_unique_section): Likewise.
10697 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
10699 * i386/winnt.c (i386_pe_unique_section): Likewise.
10701 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
10703 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
10705 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
10707 * pa/pa.c (output_call): Likewise.
10709 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
10711 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
10713 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
10716 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
10719 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
10721 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
10722 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
10724 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
10726 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10728 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
10730 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10732 * tree.h (lang_identify): Constify a char*.
10733 (print_error_function): Add extern prototype. Constify a char*.
10735 * c-lang.c (lang_identify): Constify a char*.
10737 * objc/objc-act.c (lang_identify): Constify a char*.
10739 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10741 * genpeep.c (main): Make generated file include "function.h".
10742 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
10744 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10746 * Makefile.in: Update dependencies.
10747 * alias.c: Include "function.h"
10748 * c-decl.c: Likewise.
10749 * caller-save.c: Likewise.
10750 * calls.c: Likewise.
10751 * combine.c: Likewise.
10753 * explow.c: Likewise.
10754 * final.c: Likewise.
10755 * global.c: Likewise.
10756 * graph.c: Likewise.
10757 * local-alloc.c: Likewise.
10758 * loop.c: Likewise.
10759 * optabs.c: Likewise.
10760 * profile.c: Likewise.
10761 * recog.c: Likewise.
10762 * regclass.c: Likewise.
10763 * regmove.c: Likewise.
10764 * reload.c: Likewise.
10765 * reorg.c: Likewise.
10766 * resource.c: Likewise.
10767 * sched.c: Likewise.
10768 * stupid.c: Likewise.
10769 * config/1750a/1750a.c: Likewise.
10770 * config/a29k/a29k.c: Likewise.
10771 * config/arc/arc.c: Likewise.
10772 * config/arm/arm.c: Likewise.
10773 * config/arm/thumb.c: Likewise.
10774 * config/c4x/c4x.c: Likewise.
10775 * config/clipper/clipper.c: Likewise.
10776 * config/convex/convex.c: Likewise.
10777 * config/fx80/fx80.c: Likewise.
10778 * config/i860/i860.c: Likewise.
10779 * config/m68k/m68k.c: Likewise.
10780 * config/m88k/m88k.c: Likewise.
10781 * config/mips/mips.c: Likewise.
10782 * config/pdp11/pdp11.c: Likewise.
10783 * config/pyr/pyr.c: Likewise.
10784 * config/romp/romp.c: Likewise.
10785 * config/sh/sh.c: Likewise.
10786 * config/tahoe/tahoe.c: Likewise.
10787 * config/vax/vax.c: Likewise.
10788 * config/we32k/we32k.c: Likewise.
10789 * config/sparc/sparc.c: Include "function.h".
10790 (mem_min_alignment): Test current_function rather than
10791 regno_pointer_align.
10792 * config/pa/pa.c: Likewise.
10793 (compute_frame_size): Delete declaration of
10794 current_function_outgoing_args_size.
10795 * config/arc/arc.h (current_function_varargs): Delete declaration.
10796 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
10798 * config/i370/i370.h (current_function_outgoing_args_size): Delete
10800 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
10801 current_function_uses_pic_offset_table.
10802 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
10803 of current_function_returns_pointer.
10804 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10805 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10806 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10807 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10808 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10809 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
10810 * config/m88k/m88k.c: Include "function.h"
10811 (call_used_regs, current_function_pretend_args_size,
10812 current_function_outgoing_args_size, frame_pointer_needed): Delete
10814 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
10816 * config/mips/mips.h (current_function_calls_alloca): Delete
10818 * config/mn10200/mn10200.h (current_function_needs_context,
10819 rtx_equal_function_value_matters): Delete declarations.
10820 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
10821 flag_pic): Delete declarations.
10822 * config/pa/pa.h (current_function_pretend_args_size,
10823 current_function_decl): Delete declarations.
10824 * config/pa/som.h (current_function_varargs): Delete declaration.
10825 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
10827 * config/pyr/pyr.h (current_function_pretend_args_size,
10828 current_function_args_size, current_function_calls_alloca): Delete
10830 * config/sh/sh.h (current_function_varargs): Delete declaration.
10831 * config/sparc/sparc.h (current_function_outgoing_args_size,
10832 current_function_calls_alloca, current_function_decl): Delete
10834 * config/spur/spur.h (current_function_pretend_args_size,
10835 current_function_calls_alloca): Delete declarations.
10836 * config/v850/v850.c (current_function_outgoing_args_size): Delete
10838 * config/vax/vms.h (current_function_name): Delete declaration.
10839 * gcse.c: Include "function.h".
10840 (current_function_name, current_function_calls_setjmp): Delete
10842 * haifa-sched.c: Include "function.h".
10843 (forced_labels): Delete declaration.
10844 * jump.c: Likewise.
10845 * reg-stack.c: Likewise.
10846 * reload1.c: Likewise.
10847 * genemit.c (main): Make generated file include function.h.
10848 * genoutput.c (output_prologue): Likewise.
10850 * builtins.c (saveregs_value, apply_args_value): Delete variables.
10851 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
10852 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
10853 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
10854 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
10855 macros for some of them.
10856 (emit_filename, emit_lineno): Delete declarations.
10857 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
10858 regno_pointer_* variables through current_function.
10859 (gen_inline_header_rtx): Delete function.
10860 (save_emit_status): Delete function.
10861 (set_new_last_label_num): New function.
10862 (clear_emit_caches): New function.
10863 (restore_emit_status): Just clear last_labelnum and call
10865 (get_last_insn_anywhere): Variable sequence_stack is now accessed
10866 through macro seq_stack.
10867 (add_insn_after): Likewise.
10868 (add_insn_before): Likewise.
10869 (remove_insn): Likewise.
10870 (pop_topmost_sequence): Likewise.
10871 (in_sequence_p): Likewise.
10872 (start_sequence_for_rtl_expr): Likewise.
10873 (start_sequence): Likewise, and likewise for
10874 sequence_rtl_expr/seq_rtl_expr.
10875 (push_topmost_sequence): Likewise.
10876 (end_sequence): Likewise.
10877 (init_virtual_regs): Now takes a "struct emit_status *" argument.
10878 All callers changed. Store into that pointer instead of globals.
10879 (init_emit): Allocate emit elt of current_function.
10880 Changes for sequence_rtl_expr/sequence_stack renaming.
10881 Call clear_emit_caches instead of doing it in-line.
10882 Access regno_pointer_* variables through current_function.
10883 (init_emit_once) Don't clear sequence_stack.
10885 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
10887 (arg_pointer_save_area): Delete declaration.
10888 (finish_expr_for_function): Renamed from init_queue; no longer static.
10889 (init_expr): Don't call init_queue.
10890 (save_expr_status, restore_expr_status): Delete functions.
10891 (expand_expr): Changes to reflect new layout of struct function.
10892 Don't access current_function_check_memory_usage when current_function
10894 * expr.h (forced_labels, save_expr_regs, saveregs_value,
10895 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
10896 current_function_outgoing_args_size, current_function_arg_offset_rtx,
10897 current_function_uses_const_pool, function_call_count,
10898 current_function_uses_pic_offset_table, nonlocal_labels,
10899 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
10900 current_function_check_memory_usage, nonlocal_goto_handler_slots,
10901 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
10903 (finish_expr_for_function): Declare.
10904 * flags.h (current_function_has_nonlocal_label,
10905 current_function_has_nonlocal_goto, current_function_is_thunk,
10906 current_function_has_computed_jump): Delete declarations.
10907 * flow.c (forced_labels): Delete declaration.
10908 * function.c (current_function_pops_args,
10909 current_function_returns_struct, current_function_returns_pcc_struct,
10910 current_function_needs_context, current_function_calls_setjmp,
10911 current_function_calls_longjmp, current_function_has_nonlocal_label,
10912 current_function_has_nonlocal_goto, current_function_is_thunk,
10913 current_function_has_computed_jump, current_function_calls_alloca,
10914 current_function_contains_functions, current_function_returns_pointer,
10915 current_function_epilogue_delay_list, current_function_args_size,
10916 current_function_pretend_args_size, current_function_arg_offset_rtx,
10917 current_function_outgoing_args_size, current_function_varargs,
10918 current_function_stdarg, current_function_args_info, cleanup_label,
10919 current_function_name, current_function_uses_const_pool,
10920 current_function_instrument_entry_exit, current_function_return_rtx,
10921 current_function_uses_pic_offset_table, nonlocal_labels,
10922 current_function_internal_arg_pointer, current_function_cannot_inline,
10923 current_function_check_memory_usage, function_call_count,
10924 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
10925 nonlocal_goto_stack_level, return_label, save_expr_regs,
10926 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
10927 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
10928 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
10929 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
10930 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
10932 (push_function_context_to): Don't save them. Don't call
10933 save_storage_status, save_emit_status or save_expr_status.
10934 (pop_function_context_from): Don't restore them. Don't call
10935 restore_storage_status or restore_expr_status.
10936 (get_func_frame_size): New function.
10937 (get_frame_size): Use it.
10938 (assign_outer_stack_local): Reflect some member name changes in struct
10940 (put_reg_into_stack): Likewise.
10941 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
10943 (fixup_var_refs): Likewise.
10944 (fix_lexical_addr): Likewise.
10945 (trampoline_address): Likewise.
10946 (prepare_function_start): Clear field inlinable of current_function.
10947 (init_function_for_compilation): New function.
10948 (expand_dummy_function_end): New function.
10949 (expand_function_end): Call finish_expr_for_function.
10950 * function.h (struct emit_status): New; fields moved here from struct
10951 function and from global variables. Add accessor macros for some of
10953 (struct expr_status): Likewise.
10954 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
10955 (struct function): Add fields expr and emit, inlinable, inl_emit,
10956 original_arg_vector, original_decl_initial, inl_last_parm_insn,
10957 inl_max_label_num. Add many comments.
10958 Add accessor macros for all elts of struct function that no longer
10959 have a global variable.
10960 (cleanup_label, return_label, frame_offset, tail_recursion_label,
10961 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
10962 stack_slot_list): Delete declarations.
10963 (get_func_frame_size): Declare.
10964 (save_expr_status, restore_expr_status, save_emit_status,
10965 save_storage_status, restore_storage_status): Delete declarations.
10966 (init_virtual_regs): Declare.
10967 * output.h (current_function_pops_args,
10968 current_function_returns_struct, current_function_returns_pcc_struct,
10969 current_function_needs_context, current_function_calls_setjmp,
10970 current_function_calls_longjmp, current_function_calls_alloca,
10971 current_function_has_nonlocal_label, current_function_varargs,
10972 current_function_has_computed_jump, current_function_returns_pointer,
10973 current_function_contains_functions, current_function_args_size,
10974 current_function_pretend_args_size, current_function_stdarg,
10975 current_function_outgoing_args_size, current_function_args_info,
10976 current_function_name, current_function_return_rtx,
10977 current_function_epilogue_delay_list,
10978 current_function_uses_const_pool, current_function_cannot_inline):
10979 Delete declarations.
10980 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
10981 regno_reg_rtx): Delete declaration.
10982 (REGNO_POINTER_FLAG): Delete macro.
10983 * stmt.c (expand_goto): Changes to reflect that some fields in struct
10984 function were renamed.
10985 * stor-layout.c (save_storage_status, restore_storage_status): Delete
10987 * toplev.c: Include "function.h".
10988 (current_function_decl): Delete declaration.
10989 (compile_file): Call init_dummy_function_start and
10990 expand_dummy_function_end around some initializations that need to
10992 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
10993 Call init_function_for_compilation.
10994 * unroll.c: Include "function.h"
10995 (unroll_loop): Access regno_pointer_* variables through
10998 * tree.h (struct tree_decl): Add elt f to saved_insns member.
10999 (DECL_SAVED_INSNS): use it.
11000 (expand_dummy_function_end): Declare.
11001 (init_function_for_compilation): Declare.
11002 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
11003 that it's no longer an INLINE_HEADER.
11004 (expand_call): Likewise.
11005 * integrate.c (finish_inline): Delete function.
11006 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
11007 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
11008 args. Don't generate an INLINE_HEADER rtx, just return the arg
11009 vector. All callers changed.
11010 (save_for_inline_copying): Create a duplicate struct emit_status to
11011 hold the emit state for compiling the current function. Use this and
11012 the other new fields in struct function that are for integration
11013 instead of an INLINE_HEADER.
11014 Use memcpy instead of bcopy.
11015 Store the current struct function in DECL_SAVED_INSNS of fndecl.
11016 (save_for_inline_nocopy): Similar changes, except no new emit_status
11018 (expand_inline_function): Get information from function structure,
11019 not from an inline header rtx.
11020 (output_inline_function): Lose code to extract the necessary
11021 information from an inline header; simply put back the function
11022 structure into current_function. Clear its inlinable elt.
11023 * rtl.def (INLINE_HEADER): Delete.
11024 * rtl.h: Delete all accessors for an INLINE_HEADER.
11025 (gen_inline_header_rtx): Delete declaration.
11026 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
11027 Delete declarations.
11028 (REGNO_POINTER_ALIGN): Delete.
11029 (clear_emit_caches): Declare.
11030 (set_new_last_label_num): Declare.
11032 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
11034 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
11036 * except.c (expand_eh_region_start_for_decl): Always start a new block.
11037 * stmt.c (is_eh_region): Make sure current_function is present, too.
11039 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
11041 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
11042 for 64bit PA targets.
11044 * pa.h (SELECT_SECTION): Define.
11045 * som.h (SELECT_SECTION): Delete.
11047 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11049 * alias.c (init_alias_analysis): Wrap call to
11050 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
11052 1999-08-07 Bruce Korb <autogen@linuxbox.com>
11054 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
11055 <sys/asm.h> contains an asm comment with an apostrophe
11056 * fixinc/inclhack.sh: regen
11057 * fixinc/fixincl.x: regen
11059 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
11061 * function.c (init_function_start): Clear prologue & epilogue.
11062 (prologue_epilogue_contains): New function.
11063 * alias.c (init_alias_analysis): Use it.
11064 * rtl.h (prologue_epilogue_contains): Declare it.
11066 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
11068 * jump.c (onlyjump_p): New function.
11069 * rtl.h: Declare it.
11070 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
11071 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
11073 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
11075 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
11076 to invert loops. Simplify block scanning.
11078 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11080 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
11081 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
11083 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
11085 * config/sparc/liteelf.h: New file to support sparclite-elf target
11086 * config/sparc/t-sp86x: New file to support sparc86x targets
11087 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
11088 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
11089 * configure.in: Support above target triplets
11090 * configure: Regenerated
11092 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
11094 * fixinc/server.c (server_setup): Do not prefix function used as
11095 parameter with `&'.
11097 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
11099 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
11100 Remove fp reg alternatives.
11102 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
11104 * Makefile.in (TAROUTOPTS): Kill.
11105 (install-headers-tar): Use "xpf" for tar headerfile extraction
11106 * i370/x-oe (TAROUTOPTS): Delete.
11107 * m68k/x-apollo68 (TAROUTOPTS): Delete.
11108 * m68k/x-hp320 (TAROUTOPTS): Delete.
11109 * m68k/x-hp320g (TAROUTOPTS): Delete.
11110 * gcc.texi: Update bug reporting text.
11112 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11114 * reg-stack.c (change_stack) Fixed problem with negative array index.
11116 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
11118 * extend.texi, install.texi: Fix spelling mistakes.
11120 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
11121 (s-attrtab); No longer try to use pre-made insn-attrtab file.
11122 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
11123 PREMADE_ATTRTAB_MD.
11124 * mips/t-ecoff: Likewise.
11125 * mips/t-elf: Likewise.
11126 * mips/t-mips: Likewise.
11127 * mips/t-osfrose: Likewise.
11128 * mips/t-r3900: Likewise.
11129 * mips/t-svr3: Likewise.
11130 * mips/t-svr4: Likewise.
11131 * mips/t-ultrix: Likewise.
11133 * gcc.texi: Document recommend means to provide software floating
11134 point libraries in libgcc.a
11136 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
11138 * c-lex.c (yylex): We can have a number with no digits.
11140 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
11142 * jump.c (delete_prior_computation): New function, broken
11143 out of delete_computation. Check for side effects with
11144 side_effects_p instead of FIND_REG_INC_NOTE. Handle
11145 multi-word hard registers.
11146 (delete_computation): Use it. Check for side effects with
11147 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
11148 missing REG_DEAD note for a register which is both set and
11151 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
11153 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
11154 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
11155 (ASM_FILE_START): Import _mcount with the right type.
11156 (ASM_DECLARE_FUNCTION_NAME): Define.
11157 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
11158 * pa.c (output_function_prologue): Always emit the function's label
11160 * pa.h (TEXT_SPACE_P): Define.
11161 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11162 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
11163 * som.h (TEXT_SPACE_P): Delete.
11164 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11165 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
11167 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
11169 * expr.c (emit_group_load): Allow src to be a CONCAT.
11171 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11173 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
11174 (___mulsi3): Use '!' comment character.
11176 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11178 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
11180 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
11182 * gcc.c: Update URLs and mail addresses.
11183 * gcc.texi: Likewise.
11185 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
11187 * rs6000.c (current_file_function_operand): Return zero for
11189 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
11191 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
11194 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
11196 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
11197 allocate space in the stack frame for the PIC register.
11199 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
11201 * m68k.md (xordi3, anddi3): These patterns are not available on
11204 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
11206 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
11207 (PUT_REAL): Likewise.
11209 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11211 * final.c (shorten_branches): Don't add an alignment for loops
11212 that have no label inside.
11214 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11216 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
11217 prototypes in macro HAVE_cmpstrsi.
11219 * cpplib.c (cpp_get_token): Remove unused label `op3'.
11221 * emit-rtl.c (operand_subword): Remove unused variable
11224 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
11226 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
11228 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
11230 * cpphash.c (macroexpand): Delete leading whitespace when arg
11231 is concatenated before.
11232 (unsafe_chars): Correct test for whether + and - can extend a
11235 * cppinit.c (cpp_start_read): Do dependencies for
11236 -include/-imacros files also.
11238 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
11239 tokenizing non-directive lines.
11240 (cpp_expand_to_buffer): Temporarily disable no-output mode.
11241 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
11244 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11246 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
11248 * c-lex.c: Sync with C++ frontend.
11249 (linemode): New variable.
11250 (parse_float): imag, conversion_errno, and type are output only.
11251 (yylex): Adjust. Move initial '.' case into main switch.
11253 (handle_generic_pragma): Just deal with tokens.
11254 (readescape): Use ISXDIGIT and ISGRAPH.
11255 * c-parse.in: Add END_OF_LINE token.
11257 * c-lex.c (lang_init): Generalize.
11258 (nextchar): Remove. Replace uses with UNGETC.
11259 (skip_white_space): Handle linemode here. Optimize for cpplib.
11260 (skip_white_space_on_line): Remove.
11261 (extend_token_buffer_to): New fn.
11262 (extend_token_buffer): Use it.
11263 (read_line_number, check_newline): Just deal with tokens.
11264 (token_getch, token_put_back): New fns.
11265 (yylex): Use them. More cpplib optimizations. Simplify.
11267 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11268 Jason Merrill <jason@yorick.cygnus.com>
11270 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
11271 (consume_string): Make this smart about USE_CPPLIB.
11272 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
11273 (yylex): Rewrite to be intelligent about USE_CPPLIB.
11274 Also, clean up cases where we redundantly set token_buffer[0].
11275 (read_line_number): New fn.
11276 (ignore_escape_flag): New variable.
11278 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
11280 * a29k/t-a29kbare: Fix some comments.
11281 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
11282 (FPBIT, DPBIT): Define.
11283 * a29k/t-vx29k: Likewise.
11284 * arc/t-arc: Likewise.
11285 * arm/t-arm-elf: Likewise.
11286 * arm/t-bare: Likewise.
11287 * arm/t-pe: Likewise.
11288 * arm/t-pe-thumb: Likewise.
11289 * arm/t-semi: Likewise.
11290 * arm/t-thumb: Likewise.
11291 * arm/t-thumb-elf: Likewise.
11292 * arm/t-thumb-linux: Likewise.
11293 * h8300/t-h8300: Likewise.
11294 * i960/t-i960: Likewise.
11295 * i960/t-vxworks960: Likewise.
11296 * m32r/t-m32r: Likewise.
11297 * mips/t-ecoff: Likewise.
11298 * mips/t-elf: Likewise.
11299 * mips/t-r3900: Likewise.
11300 * pa/t-pro: Likewise.
11301 * rs6000/t-aix43: Likewise.
11302 * rs6000/t-beos: Likewise.
11303 * rs6000/t-newas: Likewise.
11304 * rs6000/t-ppccomm: Likewise.
11305 * rs6000/t-rs6000: Likewise.
11306 * rs6000/t-winnt: Likewise.
11307 * rs6000/t-xnewas: Likewise.
11308 * rs6000/t-xrs6000: Likewise.
11309 * sh/t-sh: Likewise.
11310 * sparc/t-elf: Likewise.
11311 * sparc/t-sparcbare: Likewise.
11312 * sparc/t-sparclite: Likewise.
11313 * sparc/t-splet: Likewise.
11314 * v850/t-v850: Likewise.
11315 * mn10200/t-mn10200: Fix comments.
11316 * mn10300/t-mn10300: Likewise.
11318 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
11319 dummy operand. Allocate a new pseudo for the dummy operand.
11320 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
11322 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
11324 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
11326 * configure: Rebuilt.
11327 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
11329 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
11331 * recog.c (preproces_constraints): Zero recog_op_alt before
11332 processing the constraints.
11334 * arm.c (typedef minipool_node): Renamed from pool_node.
11335 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
11336 (add_minipool_constant): New function.
11337 (dump_minipool): New function.
11338 (find_barrier): Remove special case for getting the insn size of
11339 an insn that references the constant pool.
11340 (minipool_fixup): New structure.
11341 (push_minipool_barrier): New function.
11342 (push_minipool_fix): New function.
11343 (note_invalid_constants): New function.
11344 (add_pool_constant, dump_table, fixit, broken_move): Delete.
11345 (arm_reorg): Rewrite code to fix up the constant pool into a
11346 series of mini-pools embedded in the insn stream.
11347 (arm_output_epilogue): New function, made mainly from the body
11348 of output_func_epilogue.
11349 (output_func_epilogue): Move insn generation part of epilogue code
11350 to arm_output_epilogue.
11351 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
11352 * arm.md (pool_range): New attribute.
11353 (zero_extendqidi2): Add attribute pool_range.
11354 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
11355 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
11356 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
11357 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
11358 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
11359 (epilogue): New expand.
11360 (epilogue_insn): New insn. Call arm_output_epilogue.
11362 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
11363 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
11365 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11367 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
11369 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11371 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
11373 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
11375 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
11377 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
11379 * global.c: Fix comment.
11381 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
11383 * gcc.c (access_check): New static function.
11384 (find_a_file): Use it when searching a directory list.
11385 * collect2.c (find_a_file): Don't accept directories found when
11386 searching a directory list.
11388 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
11390 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
11391 function parameters with `&'.
11392 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
11394 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
11396 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
11397 or tidy_fallthru_edge if the last insn in the block is not
11398 an unconditional jump or a simple conditional jump.
11400 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11402 * Makefile.in (c-decl.o): Depends on defaults.h.
11404 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
11406 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
11408 (CLASS_MAX_NREGS): Likewise.
11410 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
11412 * cse.c (cse_insn): Fix dumb thinko in last change.
11414 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11416 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
11419 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
11421 * dwarf2out.c (add_location_or_const_value_attribute): Correct
11422 test for sizes of passed and declared parameter types.
11424 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11426 * fixincludes: Fix the return type of bsearch, char* -> void*.
11428 * fixinc/inclhack.def: Likewise.
11430 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
11432 * invoke.texi (-fdump-translation-unit): New option.
11434 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
11436 * expr.h (PROMOTE_PROTOTYPES): Move ...
11437 * defaults.h: ... to here.
11438 * c-decl.c: Include defaults.h instead of expr.h.
11439 * c-typeck.c: Include defaults.h.
11441 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
11443 * toplev.h (errorcount): Declare.
11444 (warningcount): Likewise.
11445 (sorrycount): Likewise.
11446 * c-lex.c (errorcount): Don't declare.
11447 * dwarf2out.c (errorcount): Don't declare.
11449 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
11451 * config/libgloss.h: Add a note discouraging use with ELF.
11452 * configure.in: Don't use libgloss.h for ELF targets.
11453 Always use_collect2 on a.out targets.
11455 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
11457 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
11458 (force_to_mode, case ASHIFTRT): Add shiftrt label.
11460 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11462 * loop.c (strength_reduce): When doing biv->giv conversion, update
11463 reg note of NEXT->insn.
11465 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11467 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
11469 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11471 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
11472 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
11473 Ensure expr.h is included.
11474 * c-typecheck.c (convert_arguments): Ditto.
11476 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
11478 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
11479 * config/convex/convex.h: Ditto.
11480 * config/dsp16xx/dsp16xx.h: Ditto.
11481 * config/fx80/fx80.h: Ditto.
11482 * config/gmicro/gmicro.h: Ditto.
11483 * config/i370/i370.h: Ditto.
11484 * config/i386/i386.h: Ditto.
11485 * config/m32r/m32r.h: Ditto.
11486 * config/m68k/m68k.h: Ditto.
11487 * config/m88k/m88k.h: Ditto.
11488 * config/mips/mips.h: Ditto.
11489 * config/pa/pa.h: Ditto.
11490 * config/pyr/pyr.h: Ditto.
11491 * config/tahoe/tahoe.h: Ditto.
11492 * config/we32k/we32k.h: Ditto.
11494 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
11495 based on arch size.
11497 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
11499 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
11502 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
11504 1999-08-02 Richard Henderson <rth@cygnus.com>
11506 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
11507 for the register spill block.
11508 (m32r_va_arg): New.
11509 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
11510 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
11512 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
11513 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
11514 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
11516 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11518 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
11519 MAX_WCHAR_TYPE defined in sparc.h.
11520 * config/sparc/linuxaout.h: Likewise.
11521 * config/sparc/linux64.h: Likewise.
11522 Also default to -mvis if CPU is UltraSPARC.
11524 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11526 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
11527 (RTX_OK_FOR_OLO10): Likewise.
11528 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
11529 %lo(), allow it in addresses...
11530 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
11531 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
11532 does not make sense.
11533 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
11534 (sparc_output_scratch_registers): New function.
11535 (output_function_prologue, sparc_flat_output_function_prologue): Use
11537 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
11539 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
11540 * configure.in: Add check for .register pseudo-op support in as and
11541 check for offsetable %lo().
11542 * acconfig.h: Add templates for the above checks.
11543 * configure: Regenerate.
11545 1999-08-02 Richard Henderson <rth@cygnus.com>
11547 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
11548 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
11549 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
11551 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11553 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11556 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11558 * config/float-sparc.h: New file.
11559 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
11560 sparc-*-linux-gnu and sparc64-*-linux*.
11562 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11564 * rs6000.c (rs6000_va_list): Type is an array.
11565 (rs6000_va_start): Don't doubly adjust for varargs.
11566 (rs6000_va_arg): Evaluate long long GPR adjustment.
11568 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
11570 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
11571 -maix64 and -maix32.
11572 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
11573 LINK_SPEC): Change appropriately.
11574 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
11575 (u_short_cint_operand): Likewise.
11576 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
11578 * rs6000/t-aix43 (MULTILIB): Change to -m64.
11580 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
11582 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
11584 * rs6000/rs6000.c (num_insns_constant_wide): Correct
11585 for type promotion.
11586 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
11587 (non_add_cint_operand): Likewise.
11588 (logical_operand): Likewise.
11589 (non_logical_cint_operand): Likewise.
11590 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
11591 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
11592 (rs6000_select_rtx_section): Suppress warning.
11593 (small_data_operand): Suppress warning.
11594 (rs6000_got_register): Suppress warning.
11595 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
11596 type, so `J' is generally the wrong constraint for a SImode value;
11598 (andsi3_internal2): Likewise.
11599 (andsi3_internal3): Likewise.
11600 (iorsi3_internal1): Likewise.
11601 (xorsi3_internal1): Likewise.
11603 (movsf_softfloat): Likewise.
11604 (scc insns): Likewise.
11605 (movsi+2): Preserve sign bits of SImode constant.
11606 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
11607 (movdf+1): Sign-extend properly.
11608 (movdi_32+1): Sign-extend properly.
11609 (scc insns): Sign-extend properly.
11611 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
11614 1999-08-02 Richard Henderson <rth@cygnus.com>
11616 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
11617 -mcpu parsing code.
11618 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
11619 * alpha.md (all fp insns): Likewise.
11621 1999-08-02 Nick Clifton <nickc@cygnus.com>
11623 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
11626 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
11628 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
11629 pic_load_label generator directly.
11630 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
11631 No longer a named pattern.
11633 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
11635 * explow.c (force_reg): Call force_operand if X does not
11636 satisfy general_operand.
11638 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
11640 * fix-header.c (main): When testing for CONTINUED, use string
11641 equality, not pointer equality.
11643 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
11645 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
11647 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
11649 * cse.c (cse_insn): Fix loop which deletes insns after a jump
11650 that has become an unconditional jump.
11652 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
11653 (output_function_epilogue): Similarly.
11655 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11657 * tree.h (init_dummy_function_start): Declare.
11659 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11661 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
11662 last_expr_type, last_expr_value, block_start_count, block_stack,
11663 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
11664 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
11665 dynamically in stmt elt of struct function for each function.
11666 (struct nesting): Rename function_call_count elt to n_function_calls,
11667 target_temp_slot_level to block_target_temp_slot_level. All users
11669 (struct stmt_status): New structure definition.
11670 Add many accessor macros for stmt_status elements which previously
11671 were global variables.
11672 (init_stmt_for_function): Allocate stmt elt for current_function.
11673 Reflect that block_start_count was renamed to
11674 current_block_start_count.
11675 (save_stmt_status, restore_stmt_status): Delete functions.
11676 (preserve_subexpressions_p): Don't access loop_stack when outside
11678 (expand_start_bindings): Reflect that block_start_count was renamed to
11679 current_block_start_count.
11680 (expand_fixup): Likewise.
11681 (expand_decl): Don't access block_stack when outside a function.
11682 (expand_decl_cleanup): Likewise.
11683 (expand_dcc_cleanup): Likewise.
11684 (expand_dhc_cleanup): Likewise.
11685 (expand_anon_union_decl): Likewise.
11686 (set_file_and_line_for_stmt): New function.
11687 (in_control_zone_p): New function.
11689 * function.h (struct function): Add new elt stmt.
11690 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
11691 case_stack, nesting_stack, nesting_depth, block_start_count,
11692 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
11693 emit_lineno, goto_fixup_chain.
11694 (save_eh_status, restore_eh_status, save_stmt_status,
11695 restore_stmt_status): Delete declarations.
11696 * function.c (push_function_context_to): Don't call save_stmt_status.
11697 (pop_function_context_to): Don't call restore_stmt_status.
11698 * tree.h (in_control_zone_p): Declare.
11699 * rtl.h (set_file_and_line_for_stmt): Declare.
11701 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
11702 call set_file_and_line_for_stmt.
11704 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
11706 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
11707 Also update copyright.
11709 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11711 * c-pragma.c: Don't include "except.h".
11712 * emit-rtl.c: Likewise.
11713 * stor-layout.c: Likewise.
11714 * tree.c: Likewise.
11715 * varasm.c: Likewise.
11717 * flow.c: Include "function.h".
11718 * tree.h (init_dummy_function_start): Declare new function.
11720 * except.h (struct eh_status): New structure.
11721 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
11723 (eh_return_stub_label, ehstack, catchstack, ehqueue,
11724 catch_clauses, false_label_stack, caught_return_label_stack,
11725 protect_list, current_function_ehc): Add accessor macros for the
11726 corresponding fields in current_function->eh; delete declarations
11727 for all items that used to be declared here.
11728 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
11729 catch_clauses, false_label_stack, caught_return_label_stack,
11730 protect_list, current_function_ehc): Delete variables.
11731 (init_eh_for_function): Allocate current_function->eh.
11732 (save_eh_status, restore_eh_status): Delete functions.
11734 * function.h (struct function): Add fields next_global and eh.
11735 Delete all exception handling related fields.
11736 * function.c (current_function): New variable.
11737 (all_functions): New variable.
11738 (push_function_context_to): Don't allocate a struct function,
11739 use current_function instead. Call init_dummy_function_start when
11740 outside a function. Clear current_function before returning.
11741 (pop_function_context_from): Restore current_function.
11742 Don't free the restored struct function.
11743 (prepare_function_start): New function.
11744 (init_dummy_function_start): New function.
11745 (init_function_start): Break out some code into prepare_function_start
11748 * stmt.c (save_stmt_status): Don't call save_eh_status.
11749 (restore_stmt_status): Don't call restore_eh_status.
11751 * Makefile.in: Update dependencies.
11753 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
11755 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
11756 of depending on a magic constant value. Update comments.
11757 (hppa_expand_prologue): Similarly.
11759 * pa.md (reload_indi, reload_outdi): Allow any register for the
11760 original reload register.
11762 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
11764 * cccp.c (print_help): Change marcos to macros.
11766 1999-07-30 Richard Henderson <rth@cygnus.com>
11768 * c-typeck.c (initializer_constant_valid_p): Move ...
11769 * c-common.c (initializer_constant_valid_p): ... here. Use
11770 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
11771 of label addresses.
11772 * c-common.h (initializer_constant_valid_p): Declare.
11773 * c-tree.h (initializer_constant_valid_p): Remove.
11775 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
11777 * config/i386/sol2-c1.asm: Align the stack.
11778 * config/i386/sol2-gc1.asm: Likewise.
11780 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
11782 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
11783 -Asparclite for sparc86x.
11784 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
11786 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
11788 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
11790 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
11791 the user if using the non-default arch size in BI_ARCH configuration.
11792 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
11794 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
11795 Fix patterns so that they actually match.
11796 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
11797 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
11798 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
11800 (mulsidi3): Reflect this in the expand.
11801 (smulsi3_highpart): Only on TARGET_ARCH32.
11802 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
11803 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
11804 (umulsidi3): Reflect this in the expand.
11805 (umulsi3_highpart): Only on TARGET_ARCH32.
11806 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
11807 don't require g0 to be zero.
11808 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
11809 ({,u}divsi3): New expands.
11810 ({,u}divsi3_sp64): New patterns.
11811 (after lshrdi3_v8plus): Four new patterns to help combiner
11812 optimizing nested mixed mode shifts.
11814 * config/sparc/sparc.c (sparc_override_options): Use deprecated
11815 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
11816 speed things up. Don't use them by default on plain v9 in 64bit
11817 mode, according to what SPAMv9 sais.
11819 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
11820 top 32 bits of %[og][0-7] in signal handlers.
11821 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
11823 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
11825 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
11826 (ashlsi3): Corresponding changes.
11828 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
11830 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
11832 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
11834 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11836 * arm.h (Hint): Delete macro.
11837 Substitute HOST_WIDE_INT for Hint in some prototypes.
11838 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
11840 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
11842 * builtins.c (expand_builtin_setjmp): Use force_operand to
11843 make sure that the buffer address is in a suitable form to be
11844 passed to force_reg.
11846 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
11848 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
11851 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
11853 * pa.md (indirect_jump): Remove mode from match_operand. Verify
11854 proper mode in the condition string.
11855 (icacheflush, dcacheflush): Remove modes from match_operands.
11857 * pa.c (emit_move_sequence): Always convert scratch_reg to the
11858 proper mode before using it.
11860 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
11863 * pa.c (store_reg): Do not call add_high_const generator directly.
11864 (load_reg, set_reg_plus_d): Likewise.
11865 * pa.md (add_high_const): No longer a named pattern.
11867 * pa.c (legitimize_address): Consistently use Pmode rather than
11868 SImode. Do not call gen_pic2_highpart directly anymore.
11869 * pa.md (pic2_highpart): No longer a named pattern.
11870 (pic2_lo_sum): Similarly. Reformat to make more readable.
11872 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
11877 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11879 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
11881 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
11883 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
11884 and tag the spill mems.
11885 (hppa_va_start): New.
11886 (hppa_va_arg): New.
11887 * pa.h (EXPAND_BUILTIN_VA_START): New.
11888 (EXPAND_BUILTIN_VA_ARG): New.
11890 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
11892 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
11893 and tag the spill mems.
11894 (mn10300_va_start): New.
11895 (mn10300_va_arg): New.
11896 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
11897 (EXPAND_BUILTIN_VA_ARG): New.
11899 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
11901 * mn10200.c (mn10200_va_arg): New.
11902 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
11904 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
11906 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
11907 rather than play with TREE_INT_CST_LOW.
11909 1999-07-27 Philip Blundell <pb@nexus.co.uk>
11911 * config/arm/telf.h: Include dbxelf.h.
11912 (CPP_PREDEFINES): Only define if not already defined.
11913 (ASM_IDENTIFY_GCC): Likewise.
11914 (SUBTARGET_EXTRA_SECTIONS): Likewise.
11915 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
11916 * config/arm/thumb.h (LINK_SPEC): Only define if not already
11918 (DBX_DEBUGGING_INFO): Don't define.
11919 * config/arm/linux-telf.h: New file.
11920 * config/arm/linux-tgas.h: New file.
11921 * config/arm/t-thumb-linux: New file.
11922 * config/arm/uclinux-elf.h: New file.
11923 * config/arm/uclinux-telf.h: New file.
11924 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
11925 thumb-*-uclinux): New targets.
11926 * configure: Regenerate.
11928 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
11930 * pa.md (post_store, pre_load): New expanders.
11931 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
11932 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
11933 need to directly generate RTL for them.
11934 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
11937 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
11939 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
11940 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
11941 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
11942 (secndary_reload_class): Make TARGET_ELF conditional compile.
11943 (print_operand_address): Similar.
11944 (output_toc): Print all values as hex.
11945 (get_issue_rate): Rearrange and add RS64A and PPC630.
11946 * rs6000.h (processor_type): Add RS64A and PPC630.
11947 (PROCESSOR_POWERPC64): New.
11948 (PROMOTE_MODE): Use word_mode.
11949 (RTX_COSTS): Add RS64A and PPC630.
11950 * rs6000.md (scheduling information): Add lmul and ldiv
11951 representing 64-bit integer multiply and divide. Add rs64a and
11952 PPC630 information.
11953 (ashldi3): Add support for "rldic" instruction.
11954 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
11956 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
11958 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
11959 instead of V8 for sparclite86x in cpu_table.
11961 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11963 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
11964 output_file_directive.
11966 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
11968 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
11969 tree for op1, not the rtl.
11971 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
11973 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
11974 to m88k_va_start, leaving only the register spill.
11975 (m88k_build_va_list): New.
11976 (m88k_va_start): New.
11977 (m88k_va_arg): New.
11978 * m88k.h (BUILD_VA_LIST_TYPE): New.
11979 (EXPAND_BUILTIN_VA_START): New.
11980 (EXPAND_BUILTIN_VA_ARG): New.
11982 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
11984 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
11985 Rename from expand_builtin_saveregs.
11986 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
11988 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
11990 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
11991 for the register spill block.
11992 (i960_build_va_list): New.
11993 (i960_va_start): New.
11994 (i960_va_arg): New.
11995 * i960.h (BUILD_VA_LIST_TYPE): New.
11996 (EXPAND_BUILTIN_VA_START): New.
11997 (EXPAND_BUILTIN_VA_ARG): New.
11998 * i960.md (store_multiple): Use change_address on individul mems.
12000 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
12002 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
12004 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
12005 (expand_builtin_va_end): Evaluate arg for side effects.
12006 * c-common.c (c_common_nodes_and_builtins): Construct a
12007 va_list_arg_type_node to handle array decomposition to pointer.
12009 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
12011 * except.c (start_dynamic_cleanup): Use force_operand on the
12014 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
12016 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
12017 * c4x.c (c4x_va_arg): New.
12019 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
12021 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
12022 has manual_pop set.
12024 1999-07-26 Nathan Sidwell <nathan@acm.org>
12026 * eh-common.h (__eh_matcher): Prototype correctly.
12028 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
12030 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
12031 (TARGET_SINGLE_PIC_BASE): Likewise.
12032 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
12034 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
12035 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
12036 (TARGET_OPTIONS): Add -mpic-register=N.
12037 (OUTPUT_INT_ADDR_CONST): New macro.
12038 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
12039 LEGITIMATE_PIC_OPERAND_P): Likewise.
12040 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
12041 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
12042 output_addr_const directly.
12043 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
12045 (thumb_pic_register, thumb_pic_register_string): Declare.
12047 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
12049 (label_mentioned_p): New function: Imported from arm.c.
12050 (legitimize_pic_address): New function: Imported from arm.c.
12051 (is_pic):New function: Imported from arm.c.
12052 (thumb_finalize_pic):New function: Imported from arm.c.
12053 (add_constant): Cope with PIC constants.
12054 (fixit): Cope with PIC constants.
12055 (output_return): Do not treat the PIC register as live if
12056 TARGET_SINGLE_PIC_BASE is true.
12057 (thumb_function_prologue): Do not treat the PIC register as live if
12058 TARGET_SINGLE_PIC_BASE is true.
12059 (thumb_expand_prologue): Do not treat the PIC register as live if
12060 TARGET_SINGLE_PIC_BASE is true.
12061 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
12062 TARGET_SINGLE_PIC_BASE is true.
12063 (thumb_print_operand): Accept '|'.
12064 (thumb_override_options): Process PIC options.
12066 * config/arm/thumb.md (movsi): Support PIC.
12067 (call_insn): Change "i" constraint to "X".
12068 (call_value_insn): Likewise.
12069 (consttable_4, consttable_8, consttable_end): Set and clear
12070 "making_const_table" as appropriate.
12071 (pic_load_addr, pic_add_dot_plus_four): New insns.
12073 * invoke.texi (Thumb Options): Fix spelling. Document new
12074 options -msingle-pic-base and -mpic-register=.
12076 1999-07-26 Andrew Haley <aph@cygnus.com>
12078 * config/m32r/initfini.c (__init): Use a full word immediate for
12079 __fini: this allows it to be placed in any memory region.
12081 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
12082 -mmodel=medium. This is OK for all memory models.
12084 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
12086 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
12087 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
12089 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
12091 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
12094 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
12096 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
12098 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
12099 (BUILD_VA_LIST_TYPE): New.
12100 (EXPAND_BUILTIN_VA_START): New.
12101 (EXPAND_BUILTIN_VA_ARG): New.
12102 * i860.c (output_delayed_branch): Disable.
12103 (output_delay_insn): Likewise.
12104 (i860_saveregs): New.
12105 (i860_build_va_list): New.
12106 (i860_va_start): New.
12107 (i860_va_arg): New.
12108 * i860.md: Disable all peepholes using output_delayed_branch.
12109 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
12111 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
12113 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
12114 (BUILD_VA_LIST_TYPE): New.
12115 (EXPAND_BUILTIN_VA_START): New.
12116 (EXPAND_BUILTIN_VA_ARG): New.
12117 * clipper.c (clipper_builtin_saveregs): Only dump registers.
12118 Return the address of the save area.
12119 (clipper_build_va_list): New.
12120 (clipper_va_start): New.
12121 (clipper_va_arg): New.
12123 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
12125 * arc.h (EXPAND_BUILTIN_VA_START): New.
12126 (EXPAND_BUILTIN_VA_ARG): New.
12127 * arc.c (arc_setup_incoming_varargs): Set alias set of
12129 (arc_va_start): New.
12132 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
12134 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
12135 (BUILD_VA_LIST_TYPE): New.
12136 (EXPAND_BUILTIN_VA_START): New.
12137 (EXPAND_BUILTIN_VA_ARG): New.
12138 * alpha.c (alpha_builtin_saveregs): Delete.
12139 (alpha_build_va_list): New.
12140 (alpha_va_start): New.
12141 (alpha_va_arg): New.
12143 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
12145 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
12147 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
12148 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
12150 * gcc.texi: More changes related to list conversion.
12151 * invoke.texi: Likewise.
12153 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
12155 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
12156 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
12157 (expand_builtin_next_arg): Accept ARGLIST not EXP.
12158 (stabilize_va_list): New function.
12159 (std_expand_builtin_va_start): New function.
12160 (expand_builtin_va_start): New function.
12161 (get_varargs_alias_set): New function.
12162 (std_expand_builtin_va_arg): New function.
12163 (expand_builtin_va_arg): New function.
12164 (expand_builtin_va_end): New function.
12165 (expand_builtin_va_copy): New function.
12166 (expand_builtin): Call them.
12167 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
12168 __builtin_{varargs_start,stdarg_start,end,copy}.
12169 (build_va_arg): New function.
12170 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
12171 (build_va_arg): Declare.
12172 * c-decl.c (ptr_type_node, va_list_type_node): New.
12173 * c-parse.gperf (__builtin_va_arg): New.
12174 * c-parse.in (VA_ARG): New token.
12175 (unary_expr): Recognize it.
12176 * expr.c (expand_expr): Expand VA_ARG_EXPR.
12177 * expr.h (std_expand_builtin_va_start): Declare.
12178 (std_expand_builtin_va_arg): Declare.
12179 (expand_builtin_va_arg): Declare.
12180 (get_varargs_alias_set): Declare.
12181 * tree.def (VA_ARG_EXPR): New.
12182 * tree.h (BUILT_IN_VARARGS_START): New.
12183 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
12184 (ptr_type_node, va_list_type_node): Declare.
12185 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
12186 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
12187 * m88k.h, m88k.c: Likewise.
12188 * mn10300.h, mn10300.c: Likewise.
12189 * pa.h, pa.c: Likewise.
12190 * rs6000.h, rs6000.c: Likewise.
12191 * sh.h, sh.c: Likewise.
12192 * sparc.h, sparc.c: Likewise.
12194 * emit-rtl.c (operand_subword): Copy alias set.
12195 (change_address): Likewise.
12197 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
12199 * pa.c (compute_frame_size): Scan all the used callee saved registers,
12200 not just the first one.
12202 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
12204 * config/arm/arm.h (TARGET_SWITCHES): Add
12205 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
12206 (TARGET_OPTIONS): Add -mpic-register=.
12207 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
12208 (arm_pic_register_string): Declare.
12209 (NEED_PLT_GOT): Delete, replace with ...
12210 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
12211 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
12212 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
12213 * config/arm/arm.c (arm_override_options): Add new option
12215 (arm_pic_register_string): New variable.
12216 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
12217 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
12218 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
12219 (output_return_instruction): Likewise.
12220 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
12221 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
12222 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
12224 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
12225 mention of -msched-prolog. Document new options -msingle-pic-base
12226 and -mpic-register=.
12228 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
12230 * haifa-sched.c (reemit_notes): Tidy.
12231 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
12234 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
12236 * explow.c (trunc_int_for_mode): New function.
12237 (plus_constant_wide): Use it.
12238 * combine.c (simplify_and_const_int): Likewise.
12239 (merge_outer_ops): Likewise.
12240 (simplify_shift_const): Likewise.
12241 * cse.c (simplify_unary_operation): Likewise.
12242 (simplify_binary_operation): Likewise.
12243 * emit-rtl.c (operand_subword): Likewise.
12244 * rtl.h: Declare it.
12246 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12248 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
12249 (use NUM_REGS instead of NUM_INTS).
12251 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12253 * builtins.c: New file.
12254 * expr.c (saveregs_value, apply_args_value): Delete definition,
12255 moved into builtins.c.
12256 (string_constant): No longer static.
12257 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
12258 apply_args_size, apply_result_size, result_vector,
12259 expand_builtin_apply_args, expand_builtin_apply,
12260 expand_builtin_return): Delete functions, moved into builtins.c.
12261 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
12262 * expr.h (saveregs_value, apply_args_value): Declare variables.
12263 (expand_builtin, string_constant): Declare functions.
12264 * Makefile.in: Update to build builtin.o.
12266 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
12268 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
12269 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
12270 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
12271 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
12273 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
12276 1999-07-21 Michael Meissner <meissner@cygnus.com>
12278 * print-rtl.c (print_rtx): Print the names of the virtual
12281 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
12283 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
12284 introduced in previous delta.
12286 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12288 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
12289 to avoid name clash.
12291 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
12293 * c-lex.c (yylex) : Correct the test for overflow when lexing
12296 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
12298 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
12299 (adjust_priority): Always call ADJUST_PRIORITY.
12300 (schedule_insn): Only put insns into the ready at cost 0.
12301 (schedule_block): Remove redundant initial sort. Give clock_var
12302 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
12304 * tm.texi (MD_SCHED_REORDER): Update docs.
12306 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
12307 * sparc.c (ultra_reorder_called_this_block): Delete.
12308 (ultrasparc_sched_init): Don't set it.
12309 (ultrasparc_sched_reorder): Don't check it.
12311 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
12313 * rs6000.h (struct rs6000_args): Add sysv_gregno.
12314 * rs6000.c (init_cumulative_args): Init sysv_gregno.
12315 (function_arg_boundary): Align DFmode.
12316 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
12317 to get fp reg and stack overflow correct.
12318 (function_arg): Likewise.
12319 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
12320 (setup_incoming_varargs): Restructure for ABI_V4; use
12321 function_arg_advance to skip final named argument.
12322 (expand_builtin_saveregs): Properly unskip the last integer arg
12323 when doing varargs. Adjust overflow location calculation.
12325 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
12326 explicitly unsigned.
12327 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
12328 (__VA_GP_REGSAVE): Similarly.
12329 (__va_longlong_p): Delete.
12330 (__va_arg_type_violation): New declaration.
12331 (va_arg): Restructure. Flag promotion errors. Align double.
12332 TFmode passed by reference.
12334 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
12335 in the HOST_BITS_PER_WIDE_INT > 32 case.
12337 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
12339 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
12341 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
12343 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
12344 * toplev.c (documented_lang_options): Add -fpreprocessed.
12345 * cpplib.h (struct cpp_buffer): Add preprocessed.
12346 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
12347 (cpp_start_read): Don't expand macros or emit an initial #line
12348 directive if -fpreprocessed.
12350 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
12352 * cpplib.h (struct cpp_buffer): Added manual_pop for
12353 better C++ tokenization.
12354 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
12355 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
12356 * c-common.c (cpp_token): Make non-static.
12358 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12360 * c-common.h: New file.
12361 * c-common.c (permanent_obstack): Delete unused declaration.
12362 (c_global_trees): New array.
12363 (c_common_nodes_and_builtins): New function; split off common code
12364 from init_decl_processing in both c-decl.c and cp/decl.c.
12365 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
12366 c_global_trees and accessor macros defined in c-common.h.
12367 Include c-common.h.
12368 * c-decl.c: Delete definitions for tree nodes that were replaced by
12370 (init_decl_processing): Build void_list_node.
12371 Call c_common_nodes_and_builtins; delete code to generate the common
12373 * objc/objc-act.c (build_module_descriptor): Rename variable
12374 void_list_node to avoid clash with c-common.h.
12376 * Makefile.in: Update dependencies.
12377 * objc/Make-lang.in: Likewise.
12379 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
12381 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
12382 (UNIQUE_SECTION_P): Likewise.
12383 (UNIQUE_SECTION): Likewise.
12385 1999-07-19 Linas Vepstas <linas@linas.org>
12387 * config/i370/README: New file.
12388 * config/i370/linux.h: New file.
12389 * config/i370/mvs.h: New file.
12390 * config/i370/oe.h: New file.
12391 * config/i370/t-linux: New file.
12392 * config/i370/t-mvs: New file.
12393 * config/i370/t-oe: New file.
12394 * config/i370/x-oe: New file.
12395 * config/i370/xm-linux.h: New file.
12396 * config/i370/xm-mvs.h: New file.
12397 * config/i370/xm-oe.h: New file.
12399 * i370.c (label_node_t): Add first_ref_page, label_addr,
12400 label_first_ref, label_last_ref members.
12401 (mvs_need_base_reload): Renamed from mvs_label_emitted.
12402 (MAX_MVS_LABEL_SIZE): Define.
12403 (MAX_LONG_LABEL_SIZE): Define.
12404 (alias_node_t, alias_anchor, alias_number): New.
12405 (mvs_function_table): Reorder for EBCDIC.
12406 (ascebc, ebcasc): Unconditionally define.
12407 (i370_branch_dest, i370_branch_length): New functions.
12408 (i370_short_branch, i370_label_scan): New functions.
12409 (mvs_get_label): Renamed from mvs_add_label. Search for
12410 an existing label before creating a new one.
12411 (mvs_add_label): New function.
12412 (mvs_get_label_page): New function.
12413 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
12414 over the entire list.
12415 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
12416 (mvs_check_page) [TARGET_ELF_ABI]: New function.
12417 (mvs_add_alias, mvs_need_alias): New functions.
12418 (mvs_get_alias, mvs_check_alias): New functions.
12419 (handle_pragma): New function.
12420 (mvs_function_check): New function.
12421 (unsigned_jump_follows_p): Search harder.
12422 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
12423 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
12424 * i370.h (TARGET_VERSION): Delete.
12425 (CPP_SPEC, CPP_PREDEFINES): Delete.
12426 (mvs_label_emitted): Delete.
12427 (TARGET_EBCDIC): Delete.
12428 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
12429 (HANDLE_PRAGMA): Define.
12430 (HARD_REGNO_NREGS): Handle complex modes.
12431 (HARD_REGNO_MODE_OK): Likewise.
12432 (CLASS_MAX_NREGS): Likewise.
12433 (RET_REG): Likewise.
12434 (EXTRA_CONSTRAINT): Define.
12435 (RETURN_IN_MEMORY): True for DImode.
12436 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
12437 (FUNCTION_PROFILER): Delete.
12438 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
12439 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
12440 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
12441 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
12442 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
12443 (ASM_FILE_START): Add "RMODE ANY".
12444 (ASM_OUTPUT_EXTERNAL): Check for aliases.
12445 (ASM_GLOBALIZE_LABEL): Likewise.
12446 (ASM_OUTPUT_LABELREF): Likewise.
12447 (ASM_OUTPUT_COMMON): Likewise.
12448 (PRINT_OPERAND): Handle 'K', 'W', default.
12449 (PRINT_OPERAND_ADDRESS): New.
12450 (Lots of defines): Add support for TARGET_ELF_ABI.
12451 * i370.md (attr length): New. Define for all patterns.
12452 (*): Lots of tweeks to assembly output and constraints.
12454 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
12456 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
12457 Disable patterns performing SImode comparisons with SImode values
12458 if TARGET_POWERPC64 and instruction does not sign-extend or does
12459 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
12460 differ for signed quantities.
12461 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
12462 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
12463 (decrement_and_branch_on_count): Add 64-bit variant.
12465 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12467 * final.c (output_asm_insn): When searching for the matching string
12468 for a given dialect, don't run past the end of the list of
12469 alternatives if there are fewer alternatives in the template than
12472 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
12474 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
12475 Removed paragraph about compression of files and size limitation,
12476 duplicated in the FAQ. Use gcc-patches for posting patches.
12477 * gcc.c (main): Updated URL with bug reporting instructions to
12478 gcc.gnu.org. Removed e-mail address.
12479 * system.h (abort): Likewise.
12481 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12483 * Makefile.in (stmp-multilib-sub): Make the files extracted
12484 from $(LIBGCC1) writable.
12486 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
12488 * config/arm/aout.h: Reformat for improved readability.
12490 * config/arm/arm.h: Reformat for improved readability.
12491 Replace uses of fprintf with asm_fprintf where appropriate.
12492 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
12493 function declaration assembler actions.
12494 (NUM_INTS): New macro: Convert from bytes to words.
12495 (NUM_REGS): New macro: Compute number of registers required to
12496 hold a quanitity of tyep MODE.
12497 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
12499 (NUM_ARG_REGS): New macro: The number of argument registers
12501 (ARG_REGISTER): New macro: Compute the register number of the Nth
12503 (LAST_ARG_REGNUM): New macro: The number of the last argument
12505 (SP_REGNUM): New macro: Register number of the stack pointer.
12506 (FP_REGNUM): New macro: Register number of the frame pointer.
12507 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
12508 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
12509 CUMULATIVE_ARGS so that it counts registers not bytes.
12511 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
12513 Replace uses of fprintf with asm_fprintf where appropriate.
12514 (output_ascii_pseudo_op): Replace with version from thumb.c
12516 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
12518 * config/arm/elf.h (CPP_PREDEFINES): Replace with
12519 SUBTARGET_CPP_SPEC.
12520 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
12521 (ASM_FILE_START): Emit ASM_APP_OFF.
12523 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
12525 * pa.c (compute_frame_size): Round frame according to
12526 STACK_BOUNDARY rather than a hardwired value.
12528 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
12530 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
12532 * configure: Rebuilt.
12534 * configure.in (hppa*-*-linux*): New configuration.
12535 * configure: Rebuilt.
12536 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
12537 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
12538 * pa/pa-linux.h: New file.
12539 * pa/t-linux: New file.
12540 * pa/xm-linux.h: New file.
12542 * pa.c (hppa_legitimize_address): Change references from SImode to
12543 either Pmode or word_mode as appropriate.
12544 (emit_move_sequence, store_reg, load_reg): Likewise.
12545 (set_reg_plus_d, hppa_expand_prologue): Likewise.
12546 (output_mul_insn): Likewise.
12547 * pa.h (PROMOTE_MODE): Likewise.
12548 (INITIALZE_TRAMPOLINE): Likewise.
12549 (Pmode): Define to word_mode.
12551 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
12552 value of 4. Allocate 8 bytes for each FP register save.
12553 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
12555 (hppa_expand_prologue): Likewise.
12556 * pa.h (PROMOTE_MODE): Likewise.
12557 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
12558 (FUNCTION_ARG_BOUNDARY): Likewise.
12560 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
12562 * pa.c (out_of_line_prologue_epilogue): Delete.
12563 (override_options): Remove -mspace related code.
12564 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12565 (compute_frame_size): Only allocate space for register that
12566 actually need to be saved.
12567 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
12568 (TARGET_SWITCHES): Remove -mspace, -mno-space
12569 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
12570 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
12571 * pa/ee.asm, pa/ee_fp.asm: Delete.
12573 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
12575 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
12576 directive in column zero.
12578 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
12580 * m68k.c (output_function_prologue): Fix computation of save mask
12581 when generating PIC code.
12583 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
12585 * tree.c (build_type_attribute_variant): Move current_obstack restore
12586 after build_qualified_type call.
12588 1999-07-15 Mark Mitchell <mark@codesourcery.com>
12590 * configure.in: Use t-iris6, even with GNU LD.
12591 * config/mips/iris6gld.h: Fix typo in linker spec.
12592 * config/mips/t-iris6gld: Remove.
12594 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
12596 * rs6000.md (insv, extzv): Remove SImode dependence in named
12597 patterns. Explicitly generate DImode RTL if PowerPC64 and
12599 (insvdi): Reverse start and size in instruction template.
12601 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
12603 * invoke.texi: Typo fixes.
12605 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
12607 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
12608 handle at this time instead of silently generating incorrect code.
12609 (gen_imagpart): Likewise.
12611 * reload.c (find_reloads): Emit a USE for a pseudo register without
12612 a hard register if we could not create an optional reload for the
12615 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12617 * c-typeck.c (output_init_element, process_init_element):
12618 When advancing constructor_unfilled_fields for a RECORD_TYPE,
12619 check for nameless bit fields.
12621 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
12623 * regclass.c (scan_one_insn): Notice subregs that change the
12624 size of their operand.
12625 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
12627 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
12629 * configure.in (alpha*-*-*): Include alpha/t-ieee.
12630 * configure: Rebuilt.
12631 * alpha/t-ieee: New file.
12633 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
12635 * rs6000.c (find_addr_reg): Do not select r0 as an address
12638 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
12640 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
12642 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
12644 * rs6000.md (movsf): Do not force easy FP constants into memory.
12646 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
12647 immed_double_const to ensure they are properly truncated then
12650 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12652 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
12653 always unless NO_DEBUG is used. Compile this code
12655 (replace_symbols_in_block): Compile it unconditionally.
12657 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
12659 * configure.in (i?86-*-elf*): New target.
12660 * configure: Rebuilt.
12661 * i386/i386elf.h, i386/t-i386elf: New files.
12663 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
12665 * toplev.c (main): Don't complain about saying -gdwarf.
12666 (rest_of_compilation): Remove redundant code.
12668 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
12670 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
12672 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
12674 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
12675 "Li960R:", to avoid name clash.
12677 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12679 * loop.c (check_dbra_loop): When reversing a loop, delete all
12680 REG_EQUAL notes referencing the reversed biv except those which are
12681 for a giv based on it.
12683 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
12685 * version.c: Drop "gcc-" prefix from version #.
12687 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
12689 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
12690 the label if we're being verbose.
12692 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
12694 * m68k.c (output_function_prologue): Add pic register to mask
12695 if live and flag_pic.
12696 (output_function_epilogue): Likewise.
12698 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
12700 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
12701 directives in column zero.
12703 * pa/elf.h (ASM_FILE_START): Define.
12704 * pa/som.h (ASM_FILE_START): Include .level directives.
12705 * pa/hpux10.h (ASM_FILE_START): Delete.
12706 * pa/hpux11.h (ASM_FILE_START): Delete.
12708 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
12710 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12712 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
12713 when reload_out equals reload_in.
12715 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
12717 * invoke.texi (Spec Files): New node: Describe the contents of
12720 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
12722 * invoke.texi (DEC Alpha Options): Put @end table at
12723 beginning of line, to avoid confusing texi2html.
12725 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
12727 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
12728 introduced in previous delta.
12730 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12732 * reload1.c (gen_reload): When synthesizing a 3 operand add
12733 sequence, improve test for when to reload OP1 into the reload
12734 register instead of OP0.
12736 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
12738 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
12740 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
12742 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
12745 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
12747 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
12748 (va_dcl): Use __builtin_va_alist_t.
12750 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
12752 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
12753 on the permanent_obstack.
12754 * dwarfout.c (output_type): Likewise.
12756 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
12758 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12759 Merged from c-typeck.c and cp/typeck.c.
12760 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12761 Merged into c-common.
12763 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
12765 * c-lex.c (errorcount): Declare it.
12766 (finish_parse): Update errorcount when using CPPLIB.
12768 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
12770 * fixinc/inclhack.def(end_else_label): Double the backslash so
12771 sed gets a chance to see it.
12772 * fixinc/inclhack.sh: regen
12773 * fixinc/fixincl.x: regen
12775 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
12777 Add framework to support armv5 architecture when it becomes
12780 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
12781 (arm_arch5): New variable.
12782 (all_architectures): Add armv5 line.
12783 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
12784 -march=armv5 is specified on the command line.
12785 (arm_arch5): Export this variable.
12786 * invoke.texi: Document new string accepted by -march= switch for
12789 * config/arm/arm.h: Replace use of constant 12 as a register
12790 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12791 * config/arm/arm.c: Replace use of constant 12 as a register
12792 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
12794 * config/arm/elf.h: Tidy up.
12795 * config/arm/coff.h: Tidy up.
12797 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
12799 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
12800 * gcc/config/mips/t-iris6gld: New file.
12801 * gcc/config/mips/iris6gld.h: Likewise.
12803 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
12805 * c-decl.c (widest_integer_literal_type_node,
12806 widest_unsigned_literal_type) : New.
12807 (init_decl_processing): Handle/use the two new types.
12808 * c-common.c (type_for_size,type_for_mode) : Same.
12809 * c-lex.c (yylex) : Same.
12810 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
12812 * c-tree.h (widest_integer_literal_type_node,
12813 widest_unsigned_literal_type) : New.
12815 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
12817 * dwarfout.c (field_byte_offset): Correctly compute the object's
12818 byte offset for the first bit of a field which crosses an alignment
12819 boundary on a !BYTES_BIG_ENDIAN target.
12821 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
12823 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
12826 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
12827 Jeff Law <law@cygnus.com>
12829 * ginclude/varargs.h (va_dcl): Use word_mode for type of
12832 * except.c: Include intl.h.
12833 (expand_eh_return): Set current_function_cannot_inline.
12834 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
12835 * function.h (struct function): Add eh_return_stub_label.
12836 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
12837 * Makefile.in (except.o): Depend on intl.h.
12839 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
12841 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
12842 same as offsettable in cases 1 and 2.
12844 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
12846 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
12847 (extlh, extwh): Likewise.
12849 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
12851 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
12853 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
12855 * configure.in: Add arm-pe and thumb-pe targets.
12856 * configure: Regenerate.
12858 * thumb.c (arm_naked_function_p): New function: Determines if
12859 a function is naked (has no gcc generated prologue/epilogue).
12860 (is_called_in_ARM_mode): Return true if the func has the
12861 interfacearm attribute.
12862 (output_return): Do not generate a return for naked functions.
12863 (thumb_function_prologue): Do not generate a prologue for
12865 (thumb_expand_prologue): Do not generate a prologue for naked
12867 (thumb_expand_epilogue): Do not generate an epilogue for naked
12869 (arm_valid_machine_decl_attribute): New function, copied from
12870 arm.c: Permit naked and interfacearm attributes.
12872 * config/arm/pe.c: New file: Support code for arm-pe target.
12873 * config/arm/pe.h: New file: Header file for arm-pe target.
12874 * config/arm/tpe.h: New file: Header file for thumb-pe target.
12875 * config/arm/t-thumb-pe: New file: Makefile fragment for
12878 1999-07-01 Mark Kettenis <kettenis@gnu.org>
12880 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
12881 -fPIC or -fpic is specified.
12883 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
12885 * expr.c (emit_block_move): Use copy_to_mode_reg for
12886 !TARGET_MEM_FUNCTIONS case too.
12888 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
12890 * configure: Rebuilt.
12891 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
12892 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
12893 definitions made redundant by dbxelf.h inclusion. Delete
12894 lots of definitions related to assembly output that are
12895 specific to the SOM object format.
12896 * pa.c (output_function_prologue): Do not emit the function's
12898 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
12899 * pa-pro.h: Deleted.
12900 * som.h: New file with SOM specific definitions.
12901 * elf.h: New file with ELF specific definitions.
12903 * elfos.h (const_section): Output a tab before assembler directives.
12904 (ctors_section, dtors_section): Likewise.
12905 (ASM_OUTPUT_SECTION_NAME): Likewise.
12907 * pa/pa1.h: Delete unused file.
12909 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
12911 * configure.in (hppa*-hp-hpux11*): New configuration.
12912 * configure: Rebuilt.
12913 * pa/pa-hpux11.h: New file.
12914 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
12917 * mips.md (leasi, leadi): New patterns.
12919 * expr.c (emit_block_move): Properly handle case where one of the
12920 block move arguments has a queued increment or decrement.
12921 (clear_storage): Similarly. Fix formatting goof.
12923 1999-06-28 "David O'Brien" <obrien@NUXI.com>
12925 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
12926 semicolon from the BSD VA_LIST replacement expression.
12928 * fixinc/inclhack.sh: regen
12929 * fixinc/fixincl.x: regen
12931 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
12932 now use the fixincl program.
12934 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
12936 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
12937 case. Also make the PIC register call_used.
12939 * m68k.h (FINALIZE_PIC): Delete.
12940 * m68k.c (finalize_pic): Delete.
12942 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
12944 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
12947 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
12949 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
12951 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
12953 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
12955 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
12957 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
12959 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
12961 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
12963 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
12965 * rs6000.c (output_toc): Always use hex values for floating-point
12966 constants. Store single-precision values in upper-half of TOC
12967 entry in 64-bit mode.
12968 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
12969 to final constraints.
12970 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
12971 (fctiwz): Improve accuracy of RTL for pattern.
12973 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
12975 * expr.c (expand_expr): Allow RTL_EXPR's through the
12976 MAX_INTEGER_COMPUTATION_MODE checks.
12978 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
12980 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
12981 such that MASK_SUPPORT_ARCH is not negative.
12983 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
12985 * loop.c (verify_dominator): Properly handle ADDR_VEC and
12986 ADDR_DIFF_VEC insns that appear inside loops.
12988 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
12989 Jeff Law <law@cygnus.com>
12991 * rs6000.md (movdf_hardfloat32): Revert previous patch.
12992 Handle LO_SUM the same as offsettable in cases 1 and 2.
12993 * rs6000.c (find_addr_reg): Revert previous patch.
12995 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
12997 * system.h (strstr): New external function declaration.
12998 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
12999 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
13000 * config.in, configure: Rebuilt.
13002 1999-06-24 Tom Tromey <tromey@cygnus.com>
13004 * gcc.c (main): Read user-specified specs files after computing
13005 additional startfile_prefixes.
13007 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
13009 Revert these two patches:
13011 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13012 * loop.c (strength_reduce): When doing biv->giv conversion, update
13013 reg note of NEXT->insn.
13015 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13016 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
13018 (recombine_givs): Set ix field after sorting.
13020 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13022 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
13023 for the parts of an UNSPEC / UNSPEC_VOLATILE.
13025 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
13027 *fixinc/inclhack.def: Add fix development commentary
13028 (read_ret_type): reactivate and add selection clause
13029 (zzz_*): tweak output file name to match what is used in hackshell.tpl
13030 *fixinc/{fixincl.x|inclhack.sh}: regen
13032 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
13034 * expr.c (expand_expr): STRIP_NOPS before checking against
13035 MAX_INTEGER_COMPUTATION_MODE
13036 (check_max_integer_computation_mode): Likewise.
13038 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
13040 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
13042 1999-06-22 Jim Wilson <wilson@cygnus.com>
13044 * expr.c (store_expr): When target is a promoted subreg, return a
13045 promoted subreg as a result.
13047 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
13049 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
13051 (dwarf2out_define): Mark unused parameters appropriately.
13052 (gen_unspecified_parameters_die): Ditto.
13053 (gen_subprogram_die): Fix signed/unsigned warnings.
13054 (gen_variable_die): Ditto.
13056 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
13058 * fixinc/inclhack.def(end_else_label): combined else_label
13059 and endif_label and fixed the sed expression.
13060 *fixinc/{fixincl.x|inclhack.sh}: regen
13062 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
13064 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
13065 'x' when handling non-offsettable addresses
13067 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
13069 * final.c (shorten_branches): Don't try to split an insn that has
13072 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
13074 * config/mips/mips.c (symbolic_expression_p): New function.
13075 (mips_select_rtx_section): Put symbolic expressions in the
13076 data section, not the read-only data section.
13078 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
13080 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
13082 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
13084 * collect2.c (main): Log frame table count.
13085 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
13086 (scan_prog_file) [COFF]: Handle frame tables.
13088 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
13089 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
13090 * alpha/elf.h: Undef them again.
13091 * alpha/vms.h: Remove their definitions.
13093 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13095 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
13096 remove the clobber of r0 and change the REG_UNUSED note to
13099 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
13101 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
13102 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
13103 fits in HOST_WIDE_INT and one uses union to access a long constant
13106 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
13108 * sparc.c (sparc_override_options): Don't allow profiling for
13109 code models other than medlow.
13110 (sparc_function_profiler): New function from old FUNCTION_PROFILER
13111 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
13112 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
13113 (sparc_block_profiler): Likewise.
13114 (sparc_function_block_profiler_exit): Likewise.
13115 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
13116 (FUNCTION_BLOCK_PROFILER): Likewise.
13117 (BLOCK_PROFILER): Likewise.
13118 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
13119 (MCOUNT_FUNCTION): New.
13120 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
13121 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
13122 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
13123 (MCOUNT_FUNCTION): New.
13124 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
13125 (BLOCK_PROFILER): Delete.
13126 (MCOUNT_FUNCTION): New.
13128 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
13130 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
13132 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13134 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13137 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13140 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13143 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13146 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
13148 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
13151 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
13153 * i386/djgpp.h (LIB_SPEC): New.
13154 (STARTFILE_SPEC): New.
13156 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
13158 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
13160 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
13163 * system.h (WSTOPSIG): New macro.
13165 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
13167 * c-pragma.c (push_alignment): Don't ignore alignments greater than
13169 (insert_pack_attributes): Take into account member natural
13172 * i386/winnt.c (exports_head): New static variable.
13173 (i386_pe_record_exported_symbol): New function.
13174 (i386_pe_asm_file_end): Use.
13175 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
13176 symbols to be emitted at end of assembly.
13177 (ASM_DECLARE_OBJECT_NAME): Likewise.
13178 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13180 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
13183 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
13185 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
13188 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
13190 * haifa-sched.c (sched_analyze_1): Use free_list instead of
13191 zapping reg_last_uses directly.
13192 (sched_analyze_2, sched_analyze_insn): Likewise.
13193 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
13195 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
13197 * rs6000.md (movdf_hardfloat32): Use worst case insn length
13198 attributes for cases 1 and 2.
13200 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
13202 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
13205 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
13207 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
13209 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
13211 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
13212 PIC_OFFSET_TABLE_REGNUM for general alloaction.
13213 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
13214 must be stacked if it is used for PIC accesses.
13215 * arm.c (use_return_insn): Handle PIC register specially.
13216 (output_return_instruction): Likewise.
13217 (output_func_{prologue,epilogue}): Likewise.
13218 (output_expand_prologue): Likewise.
13220 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
13221 (*strsi_predec): Renamed from *strqi_predec.
13222 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
13223 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
13225 * arm.c (arm_override_options): Remove warning about PIC code
13226 not being supported.
13228 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
13230 * rs6000.c (find_addr_reg): New function.
13231 * rs6000.h (find_addr_reg): Declare.
13232 (offsettable_addr_operand): Delete.
13233 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
13234 from and stores to GPRs.
13236 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
13238 * alpha.c (alpha_expand_block_move): Use get_insns rather than
13239 gen_sequence as argument to emit_no_conflict_block.
13241 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13243 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
13244 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
13245 *fixinc/fixincl.x: regen
13246 *fixinc/inclhack.sh: regen
13248 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
13250 * added support for -mpcrel (PC relative addressing for m68k)
13251 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
13252 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
13253 * m68k.c (print_operand_address): Handle 32-bit PIC case.
13254 (comments for general_src_operand): Add some explanation
13255 about EXTRA_CONSTRAINTS.
13256 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
13257 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
13258 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
13259 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
13260 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
13261 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
13262 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
13263 if not already set.
13264 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
13265 * m68k.h (TARGET_PCREL): New target flag.
13266 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
13267 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
13268 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
13269 contains a SYMBOL_REF. Relax this constraint during reload, since
13270 we want to use the predicates, not reload's built-in concept of a
13271 valid memory address, to control what insns need reloading.
13272 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
13273 operands (essentially 'g', 'm', and 's' under normal circumstances).
13274 * m68k.c (print_operand): Cause printing of pc-relative addresses
13275 to include pc register.
13276 (print_operand_address): Ditto.
13277 (general_src_operand): Accept operands that are not only
13278 general_operands, but are also valid when used as a pc-relative
13280 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
13281 (memory_src_operand): Similar, for memory_operands.
13282 (pcrel_address): New predicate to accept the special case of a
13283 pc-relative address.
13284 * m68k.md (many patterns): Rewrite common SImode, HImode, and
13285 QImode insns to accept *_src_operand instead of *_operand where
13286 pc-relative operands can fit. For example, a pc-relative operand
13287 can be used as a memory source operand for addsi3, but not as a
13288 memory destination.
13289 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
13291 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
13293 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
13294 .thumb_set pseudo op to mark aliases of thumb functions.
13296 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
13298 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
13299 preference to ASM_OUTPUT_DEF, if it is defined.
13301 * tm.texi: Document new, optional target macro
13302 ASM_OUTPUT_DEF_FROM_DECLS.
13304 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13306 * fixincludes: ISCNTL patch
13307 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
13308 (dgux_int_varargs): new for DG/UX
13309 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
13311 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
13313 * invoke.texi (ia32 options): Fix typo.
13315 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13317 * loop.c (strength_reduce): When doing biv->giv conversion, update
13318 reg note of NEXT->insn.
13320 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
13322 * loop.c (move_movables): Note issues with replacing REGs with
13324 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
13326 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
13328 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
13330 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
13331 the reference to `mcount' was not correct for the ELF on FreeBSD.
13333 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13335 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
13338 (recombine_givs): Set ix field after sorting.
13340 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
13342 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
13343 to safe to extract a subword out of a REG.
13345 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13347 * sh.md (mulsi3): Don't add a no-op move at the end.
13349 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13351 * cse.c (cse_insn): Don't put hard register source into tables for
13352 the last insn of a libcall.
13354 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13356 * loop.c (strength_reduce): Insert sets of derived givs at every
13357 biv increment, even if it's the only one.
13359 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13361 * dwarfout.c (add_incomplete_type): New fn.
13362 (output_type): Call it.
13363 (retry_incomplete_types): New fn.
13364 (dwarfout_finish): Call it.
13366 From Eric Raskin <ehr@listworks.com>:
13367 (output_type): Output types for bases.
13369 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13371 * mips.c (mips_output_conditional_branch): Add `break'
13372 between `default' label and `close braces'.
13374 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
13376 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
13377 specifications and make it realistic.
13378 (LIB_SPEC): Likewise.
13380 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
13382 * config/mips/mips.c (mips_secondary_reload_class): Check for
13383 (PLUS (SP) (REG)) and return appropriate register class.
13384 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
13385 Handle (PLUS (SP) (REG)).
13386 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
13387 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
13388 of emit_insn for tablejump.
13390 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
13392 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
13393 asm_fprintf format string by itself.
13394 (output_function_profiler): Likewise.
13396 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
13398 * combine.c (simplify_logical, case AND): Only call
13399 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
13400 or the constant is positive.
13402 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
13404 * configure.in: Fix typo in rs6000-ibm-aix4 case.
13405 * configure: Regenerate.
13407 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
13409 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
13410 require a sub-version #.
13411 * configure: Rebuilt.
13413 1999-06-14 Robert Lipe (robertlipe@usa.net)
13415 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
13417 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
13419 * c-typeck.c (process_init_element): Detect excess elements in
13420 char array initializer.
13422 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13424 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
13426 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13428 * invoke.texi (Option Summary): Add -fpermissive flag.
13430 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
13432 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
13433 that require PIC code sequences.
13435 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
13437 * configure.in: Add new target: thumb-elf.
13438 * configure: Regenerate.
13439 * config/arm/t-thumb-elf: New file: Makefile fragment for
13441 * config/arm/telf.h: New file: Header file for thumb-elf
13444 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
13446 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
13447 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
13448 initializers is some circumstances.
13450 * fixinc/inclhack.def (endif_label): Add additional selector for
13451 more bogus stuff after #endif statements.
13452 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13454 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
13456 * i386/cygwin.h (SET_ASM_OP): Define.
13458 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
13460 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
13462 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13464 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
13467 * sh.md (ic_invalidate_line_i): Remove second alternative.
13469 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13471 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
13472 test for the presence of valid prototypes. Delete bypass expr.
13473 (ioctl_fix_ctrl): Correct the selection expression.
13474 (no_double_slash): Correct quoting rules
13475 *fixinc/fixincl.x: regen
13476 *fixinc/inclhack.sh: regen
13478 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
13480 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
13482 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13484 * rs6000.md (movsi_got_internal_mem): Delete.
13485 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
13486 (GOT_TOC_REGNUM): Delete.
13487 (PIC_OFFSET_TABLE_REGNUM): Define.
13488 (FINALIZE_PIC): Disable.
13489 * rs6000.c (rs6000_got_register): New code for fixed pic register.
13490 (rs6000_replace_regno): Delete.
13491 (rs6000_finalize_pic): Likewise.
13492 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
13494 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13496 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
13497 is a note; use <= for the compare; advance P while it is
13500 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
13502 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
13503 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
13505 * varasm.c (remove_from_pending_weak_list): Verify t->name
13506 is non-NULL before passing it to strcmp.
13508 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13510 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
13511 the typed arguments are not part of a comment
13512 (ioctl_fix_ctrl): Added a purpose comment
13513 *fixinc/fixincl.x: regenerate
13514 *fixinc/inclhack.sh: regenerate
13516 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13518 * invoke.texi: Add C4x invocation docs.
13520 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13522 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
13524 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
13526 (c4x_legitimize_reload_address): New function.
13527 * config/c4x/c4x.md: Update docs.
13529 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
13531 * fixincludes: Avoid removing '.'.
13532 * fixinc/fixinc.svr4: Likewise.
13533 * fixinc/fixinc.winnt: Likewise.
13534 * fixinc/inclhack.tpl: Likewise.
13535 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
13537 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13539 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
13541 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
13543 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
13545 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
13548 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
13550 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
13551 * configure: Regenerate.
13553 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
13555 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
13558 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
13560 * fixinc/inclhack.def (avoid_bool): Also catch
13561 "typedef [unsigned] int bool".
13562 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13564 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
13565 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
13566 * configure: Rebuilt.
13568 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
13570 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
13571 such that we can override its definitions if necessary.
13572 (CPP_SPEC): New define. Support processor specific predefines via
13574 (CC1_SPEC): New define. Support processor specific compiler
13575 options via %(cc1_cpu).
13576 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
13579 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13581 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
13582 between sed's -e flag, and the open-quote following it.
13583 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13585 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
13586 Jeffrey A Law (law@cygnus.com)
13588 * varasm.c (assemble_start_function): Remove the function
13589 from the pending weak decls list when we define a function.
13590 (assemble_variable): Similarly for variables.
13591 (weak_finish): Ignore items on the list with a NULL name.
13592 (remove_from_ending_weak_list); New function to "remove" an item
13593 from the pending weak declarations list.
13595 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13597 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
13599 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
13601 * c-lex.c (GETC): Redefine to call getch.
13602 (UNGETC): Redefine to call put_back.
13603 (putback_buffer): New structure type.
13604 (putback): New static structure.
13605 (getch): New function.
13606 (put_back): New function.
13607 (yylex): Replace unused bytes from bad multibyte character.
13609 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
13611 * cpplib.c (do_define): Cast `alloca' return value.
13612 (do_include, do_undef, do_pragma): Likewise.
13613 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
13615 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
13616 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
13618 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
13620 * sparc.md (abstf2): This should be an expand.
13621 (split after abstf2_notv9): Fix mode.
13622 (abstf2_hq_v9): New pattern.
13623 (abstf2_v9): Only use when no hard quad.
13624 (absdf2_v9): Fix if target is not the same as source.
13625 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
13626 Add correct output constraints.
13628 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
13630 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
13631 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
13633 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
13635 * mips.h (mips_output_conditional_branch): New function.
13636 (mips_adjust_insn_length): Likewise.
13637 (ASSEMBLER_SCRATCH_REGNUM): New macro.
13638 (ADJUST_INSN_LENGTH): Likewise.
13639 * mips.c (print_operand): Add `F' and `W' for floating-point
13640 comparison opcodes.
13641 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
13643 (mips_adjust_insn_length): New function.
13644 (mips_output_conditional_branch): New function.
13645 * mips.md (length): Adjust attribute definition to handle
13646 conditional branches. Change lengths to bytes, rather than
13647 instructions throughout. Remove length attribute from
13648 instructions whose length is four bytes, and rely on the default
13650 (dslot): Fix typo in comment.
13651 Reword conditional branch patterns to use
13652 mips_output_conditional_branch.
13654 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13656 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
13657 (LIB_SPEC): Likewise.
13658 Link with -lprof1_r for -g/-pg.
13660 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13662 * loop.c (check_dbra_loop): Fix change of Jan 19.
13664 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
13666 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
13667 (STARTFILE_SPEC): Define, override the svr4.h version.
13668 (ENDFILE_SPEC): Likewise.
13670 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
13672 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
13673 * fixinc/fixincl.x: Regenerated.
13674 * fixinc/inclhack.sh: Regenerated.
13676 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13678 * sh.c (barrier_align): Don't return early for normal branch/barrier
13679 when optimizing for SH2.
13681 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
13683 * i386/udk.h (LINK_SPEC): Correct linker search path for
13686 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13688 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
13689 (braf_label_ref_operand): Delete.
13690 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
13691 * sh.md (casesi_jump_2): Operand1 is now the inside of a
13692 label_ref, and has no predicate.
13693 The patten has a predicate to guard against invalid substitutions.
13694 (dummy_jump): Delete.
13695 (casesi): Update use of casesi_jump_2.
13697 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13699 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
13700 *fixinc/fixincl.x: regenerate
13701 *fixinc/inclhack.sh: regenerate
13703 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
13705 * dwarf2out.c (add_incomplete_type): New fn.
13706 (gen_struct_or_union_type_die): Call it.
13707 (retry_incomplete_types): New fn.
13708 (dwarf2out_finish): Call it.
13710 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
13712 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
13713 current block starts with a CODE_LABEL and ends with a CALL and
13714 we can not find all the argument setup instructions for the CALL.
13716 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
13718 Revert this change:
13719 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13720 something is a candidate for optimize_bit_field_compare.
13722 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13724 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
13726 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
13728 * alpha.c (override_options): Thinko in last patch.
13730 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
13731 (LIB_SPEC): Recognize -pthread.
13733 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
13735 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
13736 definition in config/arm/coff.h
13737 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
13739 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13741 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
13742 fixes that need "file=xxx\n" prepended before invocation
13743 (start_fixer - new): starting the fixer process is complex enough
13744 to warrent its own routine. It prepends the "file=xxx\n" stuff.
13745 (process): uses the new routine; omit usage of putenv()
13746 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
13747 * fixinc/fixincl.x: regenerate
13749 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
13751 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
13752 and version #s (1.1 -> 2.96) as needed.
13753 * README.g77: Kill way out of date file in the toplevel directory.
13755 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
13757 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
13758 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
13759 * configure: Rebuilt.
13760 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
13761 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
13762 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
13763 (SWITCH_TAKES_ARG): Likewise.
13764 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
13765 * config/t-freebsd: Moved from config/i386/ so it can used for all
13768 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
13770 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
13772 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
13774 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
13775 * configure: Rebuilt.
13777 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
13779 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
13780 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
13781 * rs6000/rs6000.c (rs6000_file_start): Use putc.
13782 (rs6000_output_load_toc_table): Same.
13783 (output_prolog, output_mi_thunk): Same.
13784 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
13785 (ASM_GLOBALIZE_LABEL): Use putc.
13787 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
13789 * alpha.md (reload_*_help): New patterns and splitters.
13790 (reload_*): Use them.
13791 (mov[qh]i): Likewise.
13793 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
13795 * cccp.c (handle_directive): Handle backslash-newlines in quoted
13798 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
13800 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
13802 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
13804 * flow.c (mark_regs_live_at_end, insn_dead_p,
13805 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
13806 and HARD_FRAME_POINTER_REGNUM special treatment if reload
13807 hasn't run or the frame pointer is needed.
13808 * haifa-sched.c (attach_deaths): Likewise.
13809 * sched.c (attach_deaths): Likewise.
13811 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
13813 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
13814 calculate_can_reach_end returns nonzero.
13816 * configure.in (native gas tests): Search for an assembler in the
13817 same manner that the installed compiler will.
13818 * configure: Rebuilt.
13819 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
13821 * alias.c (find_base_term): Improve handling of addresses
13822 constructed from binary operations.
13824 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
13826 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
13828 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
13830 * function.h (cleanup_label, frame_offset): Declare.
13831 (tail_recursion_label, tail_recursion_reentry): Likewise.
13832 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13833 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
13834 (tail_recursion_label, tail_recursion_reentry): Likewise.
13835 (arg_pointer_save_area, rtl_expr_chain): Likewise.
13837 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
13839 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
13841 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
13842 (MAX_OFILE_ALIGNMENT): Define.
13844 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
13846 * fixincl.c: Replace local include scheme with #includes of
13847 gansidecl.h and system.h.
13848 * procopen.c: Likewise.
13849 * server.c: Likewise.
13851 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
13853 * i386/t-dgux (EXTRA_PARTS): Add crti.o
13854 (crti.o): Add build rule and dependencies.
13855 * fixinc/fixinc.dgux: Use modified _int_varargs.h
13857 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13859 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
13860 (LIB_LINUX_SPEC): Likewise.
13861 (LIB_LINUX_SPEC): Add support for -pthread
13862 (CPP_OS_LINUX_SPEC): Likewise.
13863 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
13866 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
13868 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
13870 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
13871 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
13872 for IEEE math and CC_FCOMI.
13873 (put_jump_code): No IEEE if CC_FCOMI is set.
13875 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13877 * fold-const.c (fold_truthop): Make the field reference unsigned
13878 when converting a single bit compare.
13880 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13882 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
13884 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
13886 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
13887 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
13890 * reload.c (push_reload): Do not call remove_address_replacements
13891 when presented with identical optional reloads.
13893 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
13895 * alpha.h (MASK_FIX, TARGET_FIX): New.
13896 (MASK_*): Reorganize constants.
13897 (CPP_AM_FIX_SPEC): New.
13898 (TARGET_SWITCHES): Add FIX.
13899 (EXTRA_SPECS): Likewise.
13900 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
13901 (SECONDARY_MEMORY_NEEDED): Likewise.
13902 (REGISTER_MOVE_COST): Likewise.
13903 * alpha.c (override_options): Add FIX support. Always use
13904 ALPHA_TP_PROG for ev6.
13905 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
13906 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
13907 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
13909 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
13911 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
13912 something is a candidate for optimize_bit_field_compare.
13914 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
13916 * gcc.texi (Passes): Document branch-shortening.
13917 * invoke.texi (Debugging Options): Document the fact that `-dp'
13918 outputs length information for instructions.
13920 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
13922 * flow.c: Revert previous delta.
13924 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
13926 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
13927 FRAME_POINTER_REGNUM.
13928 (mark_set_1): Ditto.
13929 (mark_used_regs): Ditto.
13931 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
13933 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
13934 (GOT_PCREL): New macro. Define to 1 if not already defined.
13935 * arm/elf.h (GOT_PCREL): Define to 0.
13936 * arm.c (arm_finalize_pic): Take into account the setting of
13939 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
13941 * output.h (STRIP_NAME_ENCODING): Provide default definition.
13942 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
13944 * flow.c (mark_set_1): Do not record BLKmode stores as dead
13945 store elimination candidates.
13947 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
13949 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
13952 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
13954 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
13955 Add use of x-aix41-gld.
13957 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
13959 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
13960 (ASM_OUTPUT_DESTRUCTOR): Define.
13962 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
13964 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
13965 last CODE_LABEL in a loop if we have previously passed a jump
13966 to the top of the loop.
13968 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
13970 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
13971 applying Philip's patch.
13973 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
13975 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
13978 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
13980 * loop.c (strength_reduce): Grow reg_single_usage as needed.
13982 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
13984 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
13985 Also remove a useless comment.
13987 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13989 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
13991 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
13993 * collect2.c (main): Only generate import or export file and add
13994 to link arguments if non-empty. Use xmalloc not alloca.
13995 (write_{export,import}_file): Delete.
13996 (write_aix_file): New function.
13997 (locatelib): Use xmalloc not malloc.
13998 (GCC_OK_SYMBOL): Do not check type if aix64.
14000 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
14002 Based on patch by Scott Bambrough and Pat Beirne:
14003 * config/arm/arm.c (making_const_table): New variable.
14004 * config/arm/arm.h (making_const_table): Declare.
14005 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
14007 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
14008 Keep track of when we are building the constant table.
14010 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
14012 * config/arm/arm.c (arm_override_options): Fix erroneous warning
14015 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
14017 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
14020 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
14022 * tm.texi (FUNCTION_ARG): Correct description of a stack element
14025 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
14027 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
14029 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14031 * rs6000.c (output_mi_thunk): Enable full support again.
14033 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14035 * sh.h (BRANCH_COST): Define.
14037 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
14039 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
14041 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
14043 * function.c (assign_stack_local): Align stack slot propertly.
14044 (assign_outer_stack_local): Likewise.
14046 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
14048 * expr.h (lang_expand_constant): Declare.
14049 * toplev.c (lang_expand_constant): Define it.
14050 * varasm.c (output_constant): Use it.
14052 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14054 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
14055 Change function definitions to K&R style.
14057 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14059 * fixinc/fixincl.c: We must not ignore SIGCLD now.
14061 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
14063 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
14064 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
14065 (several places): omit static initialization
14066 (process): use single fd, since only the read fd is used
14067 * fixinc/gnu-regex.c: define 'const' away, if not supported
14068 * fixinc/procopen.c(several places): omit static initialization
14069 * fixinc/server.c: define 'volitile' away, if not supported
14071 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14073 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
14074 asm_fprintf and %L to generate the label name.
14075 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
14076 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
14078 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
14080 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
14081 insn for a conditional jump can not be found.
14083 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
14085 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
14086 on variables in specific sections other than .sbss and .sdata.
14088 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
14090 * stmt.c (expand_return): Call start_cleanup_deferral and
14091 end_cleanup_deferral around conditional code.
14093 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14095 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
14096 filename lists. Utilizes new "krstr" AutoGen function.
14097 * fixinc/fixincl.x: Rebuilt.
14099 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
14101 * i386.c (output_float_compare): Avoid GNU-C extensions.
14103 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
14105 * version.c: Bump to distinguish mainline tree from the
14108 See ChangeLog.1 for earlier changes.