2 1999-12-29 Bruce Korb <autogen@linuxbox.com>
4 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
5 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
6 (<hack>_RE_CT): not needed
7 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
8 rewritten to scan the file text once only
9 "template<..." test added
10 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
11 (is_cxx_header): declaration added
12 * fixinc/fixtests.c(is_cxx_header): removed
13 (apply_fix_p_t): removed
14 (double_slash_test): is_cxx_header is only called once now
15 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
16 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
18 The borken spelling of "broken" was fixed.
19 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
20 The default level depends on FIXINC_DEBUG.
22 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
24 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
25 Otherwise provide a declaration for atexit.
26 (init_dummy): Make sure dummy call to atexit is nevertheless
27 called with correct number of args.
29 * frame.c: Update comments referring to other files.
31 * libgcc2.c: Likewise.
33 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
35 * cse.c (free_element, get_element): Remove unused prototypes.
37 * fold-const.c (extract_muldiv): Initialize variables `op0' and
40 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
43 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
45 * configure.in,configure: case arm for mn10200-*-* now sets
46 float_format=i32 so that float.h will correctly claim "double"
47 to be 32 bits. Ran autoconf to generate configure from .in file.
49 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
51 * pa.md (conditional zero): If op1 is a register, force it into
52 the same register as op0.
54 1999-12-28 Mark Mitchell <mark@codesourcery.com>
56 * tree.h (BINFO_BASETYPES): Improve documentation.
58 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
60 * configure.in (--enable-checking): Use a more portable `for'
63 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
65 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
66 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
68 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
71 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
74 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
75 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
76 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
77 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
78 xm-svr4.h: Remove all instances of sys_siglist handling.
80 1999-12-27 Jakub Jelinek <jakub@redhat.com>
82 * config/sparc/sparc.md (cmp_zero_qi,
83 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
84 cmp_zero_extendqidi2_andcc_set): New patterns.
86 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
88 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
89 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
90 (fpgnulib.c, xfgnulib.c): Add rules.
91 * m68k/t-mot3300-gas: Likewise.
93 1999-12-27 Ian Lance Taylor <ian@zembu.com>
95 * configure.in: Avoid [[ by using test and changequote. Add
96 changequote required by 1999-12-14 change.
99 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
101 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
103 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
105 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
106 * flow.c (find_use_as_address): Likewise.
107 * function.c (fixup_var_refs_1): Likewise.
108 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
109 * jump.c (invert_exp, redirect_exp): Likewise.
110 * loop.c (replace_call_address): Likewise.
111 (count_nonfixed_reads): Likewise.
112 * rtlanal.c (modified_between_p): Likewise.
113 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
114 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
115 * unroll.c (remap_split_bivs): Likewise.
117 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
119 * diagnostic.c (v_message_with_decl): Use .* format specifier
120 instead of building the format specifier width manually.
122 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
123 determining whether to provide a prototype. Remove the
124 sys_siglist clause in the conditional.
126 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
128 * fold-const.c (operand_equal_p): Use memcmp to compare string
130 Suggested by D. J. Bernstein
132 1999-12-17 Jakub Jelinek <jakub@redhat.com>
134 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
135 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
137 * config/mips/mips.h (TARGET_64BIT): Likewise.
138 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
139 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
140 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
141 dsps. Give routines proper names if SI/DI modes are not used.
142 * longlong.h: Use DWunion instead of DIunion.
144 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
146 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
147 GC_CHECKING, GC_ALWAYS_COLLECT.
148 * configure.in: Allow --enable-checking with an argument
149 listing check modes to enable.
150 * config.in, configure: Rebuilt.
151 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
152 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
153 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
154 ENABLE_GC_ALWAYS_COLLECT.
155 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
157 * tree.h, tree.c: Change ENABLE_CHECKING to
158 ENABLE_TREE_CHECKING throughout.
160 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
162 * fold-const.c (fold_truthop): Properly check for FP RHS.
164 1999-12-24 Mark Mitchell <mark@codesourcery.com>
166 * toplev.h (note_deferall_of_defined_inline_function): Declare.
167 * toplev.c (note_deferral_of_defined_inline_function): New
168 function, split out from ...
169 (rest_of_compilation): ... here. Use it.
171 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
173 * expr.c (store_constructor): Don't call clear_storage if size is
176 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
178 * Makefile.in (toplev.o): Depend on loop.h.
180 * dwarfout.c: Include tm_p.h.
182 * emit-rtl.c (restore_emit_status): Mark parameter with
185 * final.c (final_scan_insn): Likewise.
187 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
188 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
189 flow_depth_first_order_compute, flow_loop_pre_header_find,
190 flow_loop_tree_node_add, flow_loops_tree_build,
191 flow_loop_level_compute, flow_loops_level_compute,
192 flow_loop_outside_edge_p): Add prototypes.
193 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
195 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
196 Mark with ATTRIBUTE_NORETURN.
198 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
200 * local-alloc.c (no_conflict_p): Likewise.
202 * loop.c (insert_bct): Hide definitions of variables with hidden
204 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
206 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
207 with ATTRIBUTE_UNUSED.
208 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
209 (reg_scan): Likewise.
211 * reload.c (find_reloads): Remove unused variables `changed'.
213 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
215 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
216 Remove unused variable `insn'.
218 * toplev.c: Include loop.h.
219 (report_file_and_line): Remove unnecessary prototype.
221 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
223 * unroll.c (biv_total_increment): Likewise.
225 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
227 * reload1.c (emit_input_reload_insns): Restore old behaviour
228 wrt. 'special' reloads.
230 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
232 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
233 hash.h. (cse.c): Don't depend on hashtab.h.
235 * cse.c: Don't include hashtab.h.
236 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
238 * ggc-simple.c: Don't include hash.h.
240 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
242 * dwarf2out.c (add_abstract_origin_attribute): Call
243 gen_abstract_function on our function context.
245 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
247 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
249 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
251 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
254 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
256 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
257 constraints to "a!r".
259 1999-12-21 Mark Mitchell <mark@codesourcery.com>
261 * Makefile.in (calls.o): Depend on function.h.
264 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
266 * reload1.c (emit_reload_insns): Break out code and variables into...
267 (input_reload_insns, other_input_address_reload_insns,
268 other_input_reload_insns, input_address_reload_insns,
269 inpaddr_address_reload_insns, output_reload_insns,
270 output_address_reload_insns, outaddr_address_reload_insns,
271 operand_reload_insns, other_operand_reload_insns,
272 other_output_reload_insns): ... new static variables, and...
273 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
274 do_output_reload): ... new functions.
276 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
278 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
280 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
282 * md.texi: Add c4x constraints documentation.
284 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
286 * config/i386/dgux.c (struct option): Rename to
287 lang_independent_option.
288 (struct m_options): Add description field.
289 (output_options): Rename option type, add sep declaration, output
290 ix86_cpu_string and ix86_arch_string only if set.
291 (output_file_start): Rename option type.
293 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
295 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
297 (libgcc2.a): Similarly.
299 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
301 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
302 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
303 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
305 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
307 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
308 Remove redundant initialization of "frexpon" and "expon".
310 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
312 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
314 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
315 (store_constructor_field, expand_expr): Pass new arg.
317 1999-12-20 Mark Mitchell <mark@codesourcery.com>
319 * Makefile.in (explow.o): Depend on function.h.
321 * stor-layout.c (set_sizetype): Fix typo.
323 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
325 * function.c (cfun): Renamed from current_function. All users
327 * function.h (cfun): Rename declaration as well.
329 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
330 to be of type regset_head, not regset. All users changed by adding
332 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
334 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
336 * config/c4x/rtems.h: New file.
338 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
340 * reload1.c (spill_failure): Take class of failed reload as argument
341 and print it. Caller changed.
343 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
345 * rs6000.h (SUBTARGET_DEFAULT): New macro.
346 (TARGET_SWITCHES): Allow subtargets to default switches.
347 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
349 1999-12-18 Mark Mitchell <mark@codesourcery.com>
351 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
354 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
356 * cccp.c (main): Define __STDC_VERSION__ as necessary.
357 * cppinit.c (cpp_handle_option): Likewise.
359 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
360 determine when to define.
362 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
364 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
365 cmove with mismatched test and data modes.
367 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
369 * c-typeck.c (c_expand_start_case): Don't warn for long switch
372 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
374 * alias.c: Minor reformatting.
377 * stor-layout.c: Likewise.
378 * fold-const.c: Likewise.
379 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
380 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
382 (size_int_wide): Cache nodes even if garbage collecting.
383 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
384 of SAVE_EXPR has no side effects.
385 * cse.c: Move a comment.
386 * tree.c: Minor reformatting.
387 (int_size_in_bytes): Return -1 if constant overflows.
389 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
391 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
393 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
395 * objc/objc-parse.c: Regenerate. This file must be rebuilt
396 after any change to c-parse.in, even if objc-parse.y didn't
399 1999-12-18 David S. Miller <davem@redhat.com>
401 * toplev.c (rest_of_compilation): Restore BLOCK tree
402 reconstruction and branch shortening changes lost in
403 December 18th change.
405 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
407 * config/arm/linux-elf.h: Change all instances of
408 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
409 * config/arm/uclinux-elf.h: Likewise.
411 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
413 * toplev.c (notice, vmessage, v_message_with_file_and_line,
414 v_message_with_decl, file_and_line_for_asm,
415 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
416 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
417 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
418 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
419 pfatal_with_name, fatal_io_error, need_error_newline,
420 last_error_function, last_error_tick, announce_function,
421 default_print_error_function, print_error_function,
422 report_error_function, fnotice, error_with_file_and_line,
423 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
424 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
425 warning_with_decl, warning_for_asm, warning, pedwarn,
426 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
428 (compile_file): Use fnotice instead of notice. Adjust call.
430 * diagnostic.c: New file.
432 * Makefile.in (OBJS): Include diagnostic.o
433 (diagnostic.o): Define dependence.
435 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
437 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
440 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
442 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
444 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
446 * fixtests.c (is_cxx_header): New fn, split out of
448 (else_endif_label): Allow "#endif // comment" in C++ headers,
449 as determined by is_cxx_header.
450 * fixfixes.c (else_endif_label_fix): Update comment.
451 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
453 * genfixes: Correct double thinko in commandline parsing.
454 * hackshell.tpl: Generate correct sh syntax for bypass
457 * inclhack.def (all): Whenever an inserted preprocessor
458 conditional is split over multiple lines, use double
459 backslashes in this file so the fixed header will be readable.
461 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
462 and add bypass entry for correct version of this header.
463 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
464 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
466 (hpux8_bogus_inlines): New fix, split from...
467 (ultrix_atof_param) ... here.
468 (math_expression): Add bypass entry keyed to glibc comment
469 indicating the problem has been dealt with; disable
470 unnecessary sed operations; update commentary.
471 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
472 add select and bypass entries, simplify shell operation.
473 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
475 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
476 ultrix_atof_param): Add select entry.
477 (stdio_va_list, sunos_mather_decl): Add bypass entry.
478 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
479 comments with the fixes they describe.
481 * c-parse.in (string action): Do not warn about ANSI string
482 concatenation in system headers. Affects C parser only.
483 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
485 1999-12-16 Jakub Jelinek <jakub@redhat.com>
487 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
488 compiling libgcc2 the macro depends always on arch cpp defines.
490 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
492 * loop.c (insert_loop_mem): Don't record MEMs from inside
495 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
497 * regclass.c (regclass): Do not use flowgraph when not optimizing.
499 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
500 notes too, create one when replacement failed, attempt to simplify
502 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
505 1999-12-16 Mark Mitchell <mark@codesourcery.com>
507 * crtstuff.c (__dso_handle): Declare.
508 (__cxa_finalize): Likewise.
509 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
512 * invoke.texi: Document -fuse-cxa-atexit.
514 * tree.h (ptr_type_node): Document.
515 (const_ptr_type_node): Likewise.
517 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
519 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
520 (optimize_reg_copy_2): Likewise.
521 (optimize_reg_copy_3): Likewise.
522 (fixup_match_2): Likewise.
523 (regmove_optimize): Likewise.
524 (fixup_match_1): Liekwise.
526 * i386.md (HI to SImode promoting splitters): Rewrite.
527 (pushsf mem peep2): New.
528 (testhi to andhi peep2): Remove.
529 * i386.h (x86_promote_QImode): New.
530 (TARGET_PROMOTE_QImode): New.
531 (PREDICATE_CODES): Add promotable_binary_operator.
532 * i386.c (x86_promote_QImode0: New.
533 (promotable_binary_operator): New.
534 * i386-protos.h (promotable_binary_operator): New.
536 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
538 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
540 1999-12-16 Mark Mitchell <mark@codesourcery.com>
542 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
543 * function.c (insert_block_after_note): Remove.
544 (retrofit_block): Likewise.
545 (identify_blocks): Fix indentation.
546 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
547 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
548 * function.h (insert_block_after_note): Remove prototype.
549 (retrofit_block): Likewise.
550 * integrate.c (expand_inline_function): Don't call
551 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
552 just expand_start_bindings. Use the block_map to remap old
553 NOTE_BLOCKs to new ones.
554 (integrate_decl_tree): Keep track of remapped blocks.
555 * integrate.h (struct inline_remap): Add block_map.
556 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
557 NOTE_BLOCK on the notes.
558 (expand_start_bindings): Rename to ...
559 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
560 (expand_end_bindings): Set NOTE_BLOCK.
561 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
562 reconstruct the BLOCK tree.
563 * tree.h (expand_start_bindings): Macroize. Call ...
564 (expand_start_bindings_and_block): New function.
566 1999-12-16 Jakub Jelinek <jakub@redhat.com>
568 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
571 1999-12-16 David S. Miller <davem@redhat.com>
573 * expr.c (emit_move_insn_1): Only emit clobbers if one of
574 the outputs is a SUBREG.
575 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
578 * config/sparc/sparc.c (epilogue_renumber): Add default case
581 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
583 * toplev.c (rest_of_compilation): Run branch shortening after
586 * regclass.c (loop_depth): Remove
587 (scan_one_insn): Do not handle LOOP_NOTE insns.
588 (regclass): Go through basic blocks and set loop_cost
590 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
592 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
594 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
596 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
597 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
598 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
600 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
602 * loop.c (insert_loop_mem): Ignore memory clobbers.
604 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
607 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
609 * profile.c: Remove redundant #include "output.h".
611 * h8300.md (HImode preinc peephole): Fix typo.
613 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
615 * function.c (retrofit_block): Abort if we don't find a suitable insn.
616 (insert_block_after_note): Abort if we don't have a previous block.
618 * function.h: Adjust.
620 1999-12-15 Mark Mitchell <mark@codesourcery.com>
622 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
623 argument more than once.
625 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
627 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
629 1999-12-15 Jakub Jelinek <jakub@redhat.com>
631 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
633 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
635 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
636 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
637 update stack_alignment_needed.
638 (prepare_function_start): Initialize stack_alignment_needed
639 * function.h (struct function): Add field stack_alignment_needed.
641 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
643 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
644 Handle live_throughout / dead_or_set instead of live_before /
646 (save_call_clobbered_regs): Get register livenessinformation from
647 chain->live_throughout.
648 (add_stored_regs): New function.
649 (insert_restore, insert_save): Add restored / saved registers to
651 * global.c (reg_dies): New parameter chain.
652 (reg_becomes_live): Third parameter is regs_set now.
654 (reg_dies): New parameter chain. Changed all callers.
655 (build_insn_chain): Set live_throughout instead of
656 live_before / live_after.
657 * reload.h (struct insn_chain): Replace members live_before /
658 live_after with live_throughout / dead_or_set.
659 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
660 instead of live_before / live_after.
661 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
662 (order_regs_for_reload, find_reg, finish_spills): Likewise.
663 (choose_reload_regs_init): Likewise.
664 * stupid.c (current_chain, find_clobbered_regs): Delete.
665 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
666 instead of chain->live_before / chain->live_after.
667 (mark_hard_ref): New function.
668 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
670 1999-12-15 David S. Miller <davem@redhat.com>
672 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
674 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
676 * flow.c (calculate_loop_depth): Make global, remove prototype,
677 rewrite to use new loop infrastructure.
678 (find_basic_block): Remove calculate_loop_depth call.
679 * toplev.c (rest_of_compilation): Call find_basic_block.
680 * output.h (calculate_loop_depth): Declare.
682 * flow.c (dump_flow_info): Dump loop_depth.
683 (flow_loops_nodes_find): Increase loop_depth for basic block in the
685 (flow_loops_find): Initialize the loop_depth for each basic block.
687 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
689 * tree.c (decl_function_context): Handle virtual functions.
691 * tlink.c (scan_linker_output): Don't look in demangled name when
692 looking for linker output keywords.
694 * dwarfout.c (output_type): We can defer namespace-scope classes.
696 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
698 * regclass.c (record_reg_classes): Update comment for merging
699 register class preferences in reg->reg copies. Tighten conditions
700 for merging register class preferences in reg->reg copies.
702 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
704 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
706 1999-12-14 Geoff Keating <geoffk@cygnus.com>
708 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
709 (INIT_SECTION_ASM_OP): Delete.
710 (FINI_SECTION_ASM_OP): Delete.
711 (STARTFILE_SPEC): Define to hold just crtbegin.o.
713 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
715 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
716 the abstract origin wasn't emitted.
718 * dwarf2out.c (class_scope_p): New fn.
719 (gen_subprogram_die): Use it.
720 (gen_variable_die): Use it. Tweak logic.
721 (gen_struct_or_union_type_die): Check context_die to determine
722 if we're function-local.
723 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
725 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
727 * loop.c (check_dbra_loop): Can't reverse a biv that has
730 1999-12-14 Nick Clifton <nickc@cygnus.com>
732 * config/arm/arm.c: Add support for -mcpu=arm720 command line
735 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
737 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
738 for givs made from biv increments.
740 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
742 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
743 * alpha.c (override_options): Recognize -mcpu=ev67.
744 * alpha.h (CPP_CPU_EV67_SPEC): New.
745 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
746 (EXTRA_SPECS): Update.
748 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
750 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
751 appropriate for -lang-c89 and -std=*.
752 * cppinit.c (cpp_handle_option): Likewise.
753 (new_pending_define): New, split out from cpp_handle_option.
754 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
755 or enable trigraphs for -ansi/-std=*.
757 * ginclude/stdarg.h (__va_copy): New.
758 (va_copy): Don't define for C89.
760 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
762 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
763 for long long multiply-accumulate.
765 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
767 * regclass.c (scan_one_insn): Set loop_cost to 1 when
770 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
772 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
773 if something changed. Back out that part of yesterday's changes.
775 * loop.c (loop_max_reg): New static variable.
776 (loop_optimize): Initialize it. Eliminate one unnecessary call to
778 (scan_loop): Call reg_scan_update whenever we may have added new
779 registers, and update loop_max_reg.
781 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
783 * regclass.c (record_reg_classes): Do not do the copying preferrencing
784 when source does not die.
786 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
788 1999-12-14 Jakub Jelinek <jakub@redhat.com>
790 * config/sparc/linux64.h (TARGET_LIVE_G0,
791 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
793 * config/sparc/linux.h (TARGET_LIVE_G0,
794 TARGET_BROKEN_SAVERESTORE): Likewise.
795 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
796 TARGET_BROKEN_SAVERESTORE): Likewise.
798 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
799 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
801 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
802 as sparc64 block profiling register.
803 * config/sparc/sparc.c (sparc_override_options): Allow block
805 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
807 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
808 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
809 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
811 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
813 * config/sparc/sparc.h: Likewise.
814 * config/sparc/xm-sysv4-64.h: Likewise.
815 * config/float-sparc.h: Likewise.
816 * glimits.h: Likewise.
817 * longlong.h: Likewise.
819 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
820 (ASM_IDENTIFY_GCC): Remove.
822 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
824 * combine.c (combine_simplify_rtx): Don't make shared rtl.
825 (simplify_logical): Likewise.
827 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
829 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
830 * cppfiles.c (INO_T_EQ): Likewise.
832 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
834 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
835 * i386/mingw32.h (LIB_SPEC): Likewise.
836 (STARTFILE_SPEC): Likewise.
837 * i386/uwin.h (LIB_SPEC): Likewise.
838 (STARTFILE_SPEC): Likewise.
840 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
841 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
843 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
845 * combine.c (combine_simplify_rtx): Fix order of checks for
846 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
848 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
850 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
851 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
853 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
855 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
857 * regclass.c (inv_reg_alloc_order): New array.
858 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
860 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
861 counted_for_groups, counted_for_nongroups. Add fields rld and
863 * reload.c (push_secondary_reload): Don't set nongroup field of
865 (push_reload): Likewise.
866 (find_reloads): Delete code to compute nongroup fields.
867 * reload1.c (reload_insn_firstobj): New static variable.
868 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
870 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
871 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
872 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
874 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
876 (struct hard_reg_n_uses): Deleted.
877 (potential_reload_regs): Deleted.
878 (init_reload): Initialize spilled_pseudos and pseudos_counted.
879 (reload): Don't try to allocate reload registers if we already know
880 we have to make another pass. Call select_reload_regs. Free memory
881 starting with reload_firstobj when starting another pass.
882 Don't allocate spilled_pseudos.
883 (calculate_needs_all_insns): Call copy_reloads for an insn that
884 needs reloads; don't call calculate_needs.
885 (spill_cost): New static array.
886 (used_spill_regs_local): New static variable.
887 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
888 to compute potential_reload_regs.
889 (find_reload_regs): Completely rewritten to use find_reg.
890 (allocate_reload_reg): Don't test counted_for_groups or
891 counted_for_nongroups. Lose NOERROR arg and code to give an error;
893 (choose_reload_regs): Add fallback code that uses the existing
894 register allocation from find_reload_regs.
896 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
898 * flow.c (create_edge_list): Cast xmalloc return value.
900 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
902 * doprnt.c: Remove incorrect comment closure.
904 * cse.c: Fix a few minor whitespace goofs.
906 1999-12-13 Don Bowman <don@pixstream.com>
908 * mips/vxworks.h: Fix problem with comment termination.
909 (EXTRA_SECTIONS): Add in_sbss.
910 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
912 1999-12-12 David S. Miller <davem@redhat.com>
914 * cse.c (struct cse_reg_info): Add hash_next member,
915 reorder rest of struct for better packing on 64-bit
917 (cse_reg_info_tree): Kill.
918 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
919 REGHASH_FN): New custom pow2 hash mechanism.
921 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
922 use a pow2 hash table.
923 (get_cse_reg_info): Rework to use new REGHASH.
924 (new_basic_block): Likewise, use HASH_SIZE, and inline
926 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
927 and inline free_element call.
928 (lookup_as_function, insert, flush_hash_table, invalidate,
929 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
930 invalidate_for_call, use_related_value, find_comparison_args,
931 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
932 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
935 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
937 * cse.c (cse_basic_block): Free qty_table consistently.
939 1999-12-12 David S. Miller <davem@redhat.com>
940 Jakub Jelinek <jakub@redhat.com>
942 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
943 SUBREGs by hand, gen the appropriate hard reg directly.
944 (movtf reg/mem split): Likewise and alter_subreg on destination
946 (movtf mem/reg split): Similarly.
947 (movdf_cc_sp64): Rename from hidden pattern.
948 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
949 (movtf_cc_sp64, following split): New pattern and splitter.
950 (movdf_cc_reg_sp64): Rename from hidden pattern.
951 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
953 (movtf_cc_reg_sp64, following split): New pattern and splitter.
955 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
957 * loop.c (load_mems): Don't hoist written floating point mem
960 1999-12-12 Mark Mitchell <mark@codesourcery.com>
962 * except.h (struct eh_queue): Add `next' pointer.
963 (struct eh_status): Make x_ehqueue a pointer.
964 (push_ehqueue): Declare.
965 (pop_ehqueue): Likewise.
966 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
968 (expand_fixup_region_end): Likewise.
969 (expand_leftover_cleanups): Likewise.
970 (push_ehqueue): Define.
971 (pop_ehqueue): Likewise.
972 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
973 than doing it inline.
974 (expand_start_all_catch): Adjust now that ehqueue is a
976 (mark_eh_queue): Mark all level of the queue.
977 (mark_eh_status): Adjust now that ehqueue is a
979 (init_eh_for_function): Allocate ehqueue.
980 (free_eh_status): Free it.
981 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
982 expansion for a fixup.
984 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
986 * gthr-single.h (__gthread_active_p): Add prototype arguments.
988 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
989 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
990 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
991 function_ptr, getpagesize, __enable_execute_stack,
992 __enable_execute_stack, __clear_insn_cache,
993 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
994 _cleanup, _exit, __default_terminate, __terminate_func,
995 __terminate, __empty, __throw, new_eh_context,
996 eh_context_initialize, eh_context_static, eh_context_specific,
997 get_eh_context, __get_eh_context, __get_eh_info,
998 init_reg_size_table, eh_threads_initialize,
999 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
1000 __unwinding_cleanup, throw_helper, __throw, __rethrow,
1001 __pure_virtual): Add prototype arguments.
1002 (__bb_exit_func): Cast a sizeof to long when comparing against one.
1003 Cast a signed value to unsigned long when comparing against one.
1004 (new_eh_context): Wrap in _GTHREADS macro.
1005 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
1007 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
1008 (throw_helper): Initialize variables `handler_p' and `pc_p'.
1010 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1012 * combine.c (record_promoted_value): Remove unused variable
1015 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
1017 * global.c (record_conflicts): Likewise for `j'.
1019 * genoutput.c (output_insn_data): Don't unnecessarily cast away
1022 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1024 * i386-protos.h (output_387_binary_op, output_fix_trunc,
1025 output_fp_compare): Constify a char*.
1027 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
1029 (override_options, ix86_comp_type_attributes, print_operand,
1030 output_387_binary_op, output_fix_trunc, output_fp_compare):
1032 (ix86_sched_reorder): Mark parameter `clock_var' with
1035 * i386.h (DEBUG_PRINT_REG): Constify a char*.
1037 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
1039 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
1040 operand, for use in the Java front-end.
1042 1999-12-10 Ben Collins <bcollins@debian.org>
1044 * configure.in: Fix typo for "-64" in 64bit as check.
1045 * configure: Rebuilt.
1047 1999-12-10 Jakub Jelinek <jakub@redhat.com>
1049 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
1052 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1054 * c-parse.in (string): With -Wtraditional, warn if ANSI string
1055 concatenation is utilized.
1057 * invoke.texi (-Wtraditional): Document it.
1059 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1061 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
1062 Cast a ptrdiff_t to long and pass it to printf with %ld.
1064 1999-12-10 Geoff Keating <geoffk@cygnus.com>
1066 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
1067 68881, we have no 68881 registers at all.
1068 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
1069 value in a 68881 register if it is available.
1071 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
1073 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
1074 for long long multiply-accumulate.
1076 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
1078 * loop.c (insert_loop_mem): Undo last change.
1080 1999-12-10 David S. Miller <davem@redhat.com>
1082 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
1084 * config/sparc/sparc-protos.h: Add them.
1085 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
1086 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
1087 constraints which use those helpers.
1088 (EXTRA_CONSTRAINT): Use this new macro.
1089 * md.texi: Update sparc target constraints documentation.
1090 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
1091 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
1092 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
1093 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
1094 (movsf high/lo_sum split): Rework for new patterns.
1095 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
1097 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
1099 * c-common.c (c_common_nodes_and_builtins):
1100 Create __builtin_ptrdiff_t and __builtin_size_t.
1102 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
1104 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
1106 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1108 * regclass.c (globalize_reg): Re-instate test that allows
1109 fixed registers to be declared as a variable even after functions
1112 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1114 * i386.md (cpu attribute): Add "athlon".
1115 (athlon_decode): New attribute.
1116 (Athlon scheduling units definitions): New.
1117 (fcmp and shld patterns): Set athlon_decode to "vector".
1118 * i386.c (athlon_cost): New.
1120 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
1121 x86_use_sahf): Set for Athlon.
1122 (x86_use_fiop): Unset for Athlon.
1123 (override_options): Define Athlon alignments and "athlon" name.
1124 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
1125 * i386.h (TARGET_ATHLON): New.
1126 (enum processor_type): Add PROCESSOR_ATHLON.
1127 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
1129 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
1131 1999-12-09 Andreas Jaeger <aj@suse.de>
1133 * loop.c (record_biv): Declare parameter as int.
1135 * config/i386/i386-protos.h: Declare long_memory_operand.
1137 1999-12-09 Mark Mitchell <mark@codesourcery.com>
1139 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
1140 EXPR_WITH_FILE_LOCATION.
1142 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1144 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
1147 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
1149 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
1152 1999-12-09 Jakub Jelinek <jakub@redhat.com>
1154 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
1155 default on linux64 again.
1156 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
1157 models for multilibing.
1158 * genmultilib: Accept | as alternative separator within a set in
1161 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
1163 * calls.c (precompute_arguments): Make sure initial_value contains
1164 value pseudo which CSE expects.
1165 * cse.c (struct set): New entry orig_src.
1166 (cse_insn): Set it early on entry, use it for libcall EQUIV note
1169 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
1171 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
1173 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
1175 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
1177 1999-12-08 Jakub Jelinek <jakub@redhat.com>
1179 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
1180 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
1182 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
1185 * longlong.h: Merge in changes from glibc.
1186 Also don't clobber %g2 register in 32bit SPARC assembly, so that
1187 -mno-app-regs libgcc can be compiled.
1188 * libgcc2.c: Add defines so that the updated longlong.h
1189 can be used in libgcc2.a. Also, make sure on most architectures
1190 (at least on all which have optimized code in longlong.h defined
1191 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
1193 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1195 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
1196 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
1197 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
1199 * configure: Rebuilt.
1201 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
1203 * alpha.c (secondary_reload_class): For !BWX, sub-simode
1204 outputs require a register.
1206 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
1208 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
1209 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
1210 functions like dptoul will be resolved.
1211 (libgcc2.a): Make sure that the object files from DPBIT are named
1212 differently (prefix `_dp') from those that would be coming from
1215 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
1217 * configure.in: When target is sparc* and tm_file contains 64,
1218 test for 64bit support in assembler. If not supported, remove
1219 sparc/t-sol2-64 from target-dependent Makefile fragments.
1220 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
1221 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
1222 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
1223 * acconfig.h (AS_SPARC64_FLAG): Added.
1224 * configure, config.in: Rebuilt.
1225 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
1226 support. Use AS_SPARC64_FLAG.
1228 1999-12-07 Jakub Jelinek <jakub@redhat.com>
1230 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
1231 suitable for holding OFmode values so that gcc works with complex
1233 (hard_64bit_mode_classes): Likewise.
1235 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
1236 so that it is actually matched.
1237 (sethi_di_medlow): Likewise.
1239 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
1240 as legitimate constant if -mvis.
1241 * config/sparc/sparc.md (movtf): Likewise.
1242 (clear_sf): Use const_double_operand.
1243 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
1245 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
1246 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
1247 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
1248 routines, _Qp_* cannot be handled like that now.
1249 (INIT_TARGET_OPTABS): Likewise.
1250 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
1251 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
1252 sparc_emit_float_lib_cmp if ARCH64 and soft float.
1253 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
1254 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
1255 divtf3, sqrttf3): New expanders.
1256 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
1257 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
1258 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
1261 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
1262 * configure: Rebuilt.
1263 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
1264 -mcpu is given and we're doing 64bit compiles.
1266 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1268 * loop.h (struct induction): Add multi_insn_incr.
1269 * loop.c (basic_induction_var): New multi_insn_incr argument.
1270 Set it if we search back through previous insns for the biv.
1271 (record_biv): New multi_insn_incr argument; fill in struct induction.
1272 (strength_reduce): Discard an iv with multiple bivs, any of
1273 which require multiple insns to increment.
1275 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
1277 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
1280 1999-12-06 David S. Miller <davem@redhat.com>
1282 * combine.c (check_promoted_subreg): Do not conditionalize this upon
1283 PROMOTE_FUNCTION_RETURN.
1285 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
1287 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
1288 and handle REG_UNUSED note on insn.
1290 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
1291 inner_mask instead of mask.
1293 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
1295 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
1296 zero if there was an error.
1298 1999-12-06 Jakub Jelinek <jakub@redhat.com>
1300 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
1303 * longlong.h: Fix clobbers in SPARC asm statements.
1305 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
1306 valid sethi operations when TARGET_ARCH64.
1308 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
1309 always use move_by_pieces to avoid infinite recursion.
1310 (restore_fixed_argument_area): Likewise.
1312 * combine.c (check_promoted_subreg, record_promoted_value): New
1314 (combine_instructions): Use them to retain nonzero and sign bit
1315 information after SUBREGs are eliminated by optimizations in
1316 this pass if PROMOTE_FUNCTION_RETURN.
1318 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
1319 .register declaration. Don't use variables with __ prefixes.
1321 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1323 * fold-const.c (optimize_bit_field_compare): Only use one mode
1324 for both RHS and LHS in non-constant case.
1326 1999-12-06 Nathan Sidwell <nathan@acm.org>
1328 * frame.c (start_fde_sort): Only allocate erratic array, if
1329 linear one was allocated. Return allocated flag.
1330 (fde_insert): Only insert, if there's a valid array.
1331 (fde_end_sort): Split, sort and merge if linear and erratic
1332 arrays exist, else just sort linear one.
1333 (search_fdes): New function. Linear search through original fde
1335 (frame_init): Permit multiple initializations. Cope with
1337 (find_fde): Fallback on linear search, if failed to sort array.
1338 (__deregister_frame_info): Only free sorted array, if we
1341 1999-12-06 Jakub Jelinek <jakub@redhat.com>
1343 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
1345 1999-12-05 Jakub Jelinek <jakub@redhat.com>
1347 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
1349 1999-12-05 Mark Mitchell <mark@codesourcery.com>
1351 * tree.h (special_function_p): Declare.
1352 * calls.c (special_function_p): Make it global. Don't take `name'
1353 as a parameter. Fix typo in 1999-11-28 change.
1354 (expand_cal): Adjust.
1356 1999-12-04 Mark Mitchell <mark@codesourcery.com>
1358 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
1359 * tree.h (EXPR_WFL_FILENAME): Define in terms of
1360 EXPR_WFL_FILENAME_NODE.
1361 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
1363 * print-tree.c (print_note): Print TREE_PRIVATE and
1366 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
1367 the original die cannot be found.
1369 * varray.h (varray_head_tag): Add elements_used.
1370 (VARRAY_PUSH): New macro.
1371 (VARRAY_POP): Likewise.
1372 (VARRAY_TOP): Likewise.
1373 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
1375 * varray.c (varray_init): Initialize elements_used.
1376 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
1377 (INTEGRATE_H): New variable.
1378 (integrate.o): Depend on INTEGRATE_H.
1379 (unroll.o): Likewise.
1381 * function.h (insert_block_after_note): Declare.
1382 * function.c (insert_block_after_note): Split out from ...
1383 (retrofit_block): ... here.
1385 * stmt.c (expand_fixup): Fix typo in comment.
1387 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1389 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
1390 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
1391 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
1392 (regmove_optimize, fixup_match_1): Likewise.
1394 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1396 * flow.c (flow_loops_dump): Add missing argument when calling
1399 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
1400 Greg McGary <gkm@gnu.org>
1402 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
1403 (init_attributes): Add A_NO_LIMIT_STACK.
1404 (decl_attributes): Handle A_NO_LIMIT_STACK.
1405 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
1406 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
1407 Handle stack bounds checking.
1408 * flags.h (flag_stack_check): Use the word 'probe' rather than
1409 'check', because the flag doesn't actually cause any checking to
1411 * function.c (expand_function_start): Set
1412 current_function_limit_stack.
1413 * function.h (struct function): Add limit_stack.
1414 (current_function_limit_stack): Define.
1415 * invoke.texi (Code Gen Options): Document new options.
1416 * rtl.h: Declare stack_limit_rtx.
1417 * toplev.c (stack_limit_rtx): New variable.
1418 (decode_f_option): Handle new options -fstack-limit-register=REG,
1419 -fstack-limit-symbol=IDENT, -fno-stack-limit.
1420 (main): Add stack_limit_rtx as GC root.
1421 * tree.h (DECL_NO_LIMIT_STACK): New macro.
1422 (struct tree_decl): New member no_limit_stack.
1424 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
1426 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
1427 (conditional_trap+1): Get new mnemonic correct.
1428 (conditional_trap+2): New pattern for DImode traps.
1430 * config/m68k/m68k.c (output_function_prologue): Handle
1432 * config/m68k/m68k.md (trap): New insn.
1433 (conditional_trap): New insn.
1434 * md.texi (Standard Names): Document `trap' and
1436 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
1437 so a cc0 setter doesn't get emitted at some random place in the
1440 * config/i960/i960.md (trap): New insn.
1441 (conditional_trap): New expander.
1442 (conditional_trap+1, conditional_trap+2): New insns for signed
1444 * config/i960/i960.c (i960_function_prologue): Use
1445 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
1447 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
1448 Geoffrey Keating <geoffk@cygnus.com>
1450 * flags.h (warn_padded, warn_packed): Add global var decls.
1451 * toplev.c (warn_padded, warn_packed): Add global var defns.
1452 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
1453 * stor-layout.c (layout_record): Add local variable `type'
1454 to hold often-used TREE_TYPE (field). Add local variable
1455 `unpacked_align' to hold alignment that would be in force
1456 if no `packed' attribute were present. Warn if `packed' attribute
1457 is unnecessary, or even harmful. Warn when gcc inserts padding
1458 to satisfy alignment requirements of members. Use NULL_TREE
1459 when checking whether var_size is set.
1460 * invoke.texi: Document new flags.
1462 1999-12-03 Nathan Sidwell <nathan@acm.org>
1464 * frame.c (fde_split): Reimplement to avoid variable sized array.
1466 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1468 * combine.c (try_combine): Before fixing up LOG_LINKS for the
1469 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
1471 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
1473 * invoke.texi: Document the mips option -mno-crt0
1475 1999-12-02 Mike Karr <mkarr@mathworks.com>
1477 * cccp.c (argdata): Added free_ptr member.
1478 (macroexpand): Initialize free_ptr of each argument. When an
1479 argument's buffers are freed, if the argument's free_ptr corresponds
1480 to a buffer on the input stack, then return the free_ptr to that stack
1481 frame, otherwise, free it.
1482 (macarg): If an argument begins and ends on the same input stack level,
1483 then transfer the free_ptr of that buffer to the argument in case
1484 the stack is popped during the processing of a subsequent argument.
1486 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
1488 * loop.c (note_reg_stored): New function.
1489 (struct note_reg_stored_arg): New structure.
1490 (try_copy_prop): Change to be more conservative; only replace within
1491 one extended basic block and stop replacing if a store to the
1492 replacement reg is seen.
1494 1999-12-02 Nick Clifton <nickc@cygnus.com>
1496 * config/fp-bit.c: Initialise all fields of the NAN
1499 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
1502 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
1504 * i386.md (extend?f?f2): Force the input into a register, not
1507 1999-12-01 Jakub Jelinek <jakub@redhat.com>
1509 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
1511 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
1512 alternative because setting up 64bit constant is usually costly,
1513 especially when reload is in progress or completed.
1514 (movdf_const_intreg_sp64): Likewise.
1515 (movdf_const_intreg split): Fix building up constants when
1516 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
1518 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
1520 * combine.c (if_then_else_cond): Use const_true_rtx instead of
1521 const1_rtx for return values in EQ/NE comparison against (const_int 0)
1524 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
1525 (asm_file_start): Emit .am33 into assembly file when compiling for
1527 (print_operand_address): Handle POST_INC addresses.
1528 (can_use_return_insn, initial_offset): Check AM33 registers too.
1529 (expand_prologue): Check & save AM33 registers too.
1530 (expand_epilogue): Similarly.
1531 (secondary_reload_class): Handle AM33 specific secondary reloads.
1532 (output_tst): Emit efficient code for the AM33 too.
1533 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
1534 (TARGET_SWITCHES): Add -mam33 switch.
1535 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
1536 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
1537 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
1538 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
1539 (enum reg_class, REG_CLASS_NAMES): Likewise.
1540 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
1541 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
1542 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
1543 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
1544 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
1545 (HAVE_POST_INCREMENT): Define.
1546 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
1547 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
1548 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
1549 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
1550 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
1551 (zero_extend to SI from QI/HI): Likewise.
1552 (sign_extend to SI from QI/HI): Likewise.
1553 (mulsidi3, umulsidi3): New patterns for the AM33.
1554 (tstsi with zero extension from QI/HI): Add AM33 variants.
1555 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
1556 (return_internal_regs, store_movm): Handle new AM33 registers.
1557 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
1558 (LIBGCC, INSTALL_LIBGCC): Likewise.
1559 * invoke.texi: Document new flags.
1561 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
1563 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
1564 (addsi3_carry): Likewise.
1565 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
1566 (sbbsi3_carry): Likewise.
1567 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
1569 (test?i_1): Ensure that only one operand is memory.
1570 (conditional move patterns): likewise.
1571 (shift and rotate patterns): Rewrite to expander, add
1572 "binary_operator_ok" to the condition.
1574 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
1575 * i386.h (procesor_costs): Add movzbl_load field.
1576 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
1577 non-Q registers, accept DImode registers anywhere.
1579 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
1580 * i386.c (*_cost): Set value for movxbl_load field.
1582 * (addsi): New add to lea splitter.
1584 (lea to add/shift peep2): New.
1586 1999-12-01 Mark Salter <msalter@cygnus.com>
1588 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
1589 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
1590 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
1592 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1594 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
1595 * i386.md (movsi_xor): New.
1597 (movsi_1, movhi_1, movqi_1): Remove.
1598 (movsi_2): Rename to movsi_1.
1599 (movhi_2): Rename to movhi_1.
1600 (movqi_2): Rename to movqi_1.
1601 (movdi_1): Remove; remove splitter.
1602 (movdi_2): Rename to movdi_1.
1603 (divmodsi4 splitter): Do not emit clobbers for move patterns.
1604 (long move peep2): Do not create QI or HI mode mov0s
1605 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
1607 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
1610 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
1611 (abs?f2_if): Likewise.
1613 1999-11-30 Alex Samuel <samuel@codesourcery.com>
1615 * ggc.h (ggc_test_and_set_mark): New macro.
1616 (ggc_mark_rtx): Use ggc_test_and_set_mark.
1617 (ggc_mark_tree): Likewise.
1618 (ggc_mark_rtvec): Likewise.
1619 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
1621 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
1623 * dwarf2out.c (scope_die_for): Only handle types. Only search for
1625 (decl_scope_table): Just an array of trees now.
1626 (push_decl_scope): Simplify.
1627 (dwarf2out_init): Adjust.
1628 (local_scope_p): New fn.
1629 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
1630 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
1631 (gen_typedef_die): Likewise.
1632 (gen_lexical_block_die): Don't call push/pop_decl_scope.
1633 (gen_inlined_subroutine_die): Likewise.
1634 (gen_abstract_function): Set current_function_decl temporarily.
1635 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
1636 Handle block extern declarations. Don't call push/pop_decl_scope.
1637 (gen_decl_die): Fix logic for block externs.
1639 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1641 * calls.c (special_function_p): Remove `realloc' and add `strdup'
1642 to the list of functions which have attribute malloc by default.
1644 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1646 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
1647 integer constant does not match the traditional type, limit the
1648 warnings to cases where the base of the type is ten.
1650 * invoke.texi (-Wtraditional): Document it.
1652 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1654 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
1655 * rs6000.md: Only access a CONST_INT with INTVAL
1657 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
1659 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
1660 (compute_nearerout): Likewise.
1661 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
1662 size_t to unsigned long for formatting.
1664 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1666 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
1667 Allow the user to override call-used/fixed state of %g2-5
1668 registers from the command line (with the exception of %g4 for
1670 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
1671 there is a higher chance of having a leaf function.
1672 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
1673 for ARCH64 which has %ccr register.
1674 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
1676 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
1677 insn accept into delay slot any insn which does not use %[ol]
1678 registers. Accept some LO_SUM and shift left by 1 for the normal
1680 (output_function_epilogue): Likewise.
1681 (epilogue_renumber): Added argument which inhibits any renumbering
1682 and just tests if the rtx does not use any %[ol] registers.
1683 (output_return): Reflect above change.
1685 1999-11-30 Jakub Jelinek <jakub@redhat.com>
1687 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
1688 aggregate passing for sizes <= 16 bytes.
1690 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
1692 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
1693 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
1694 * reload.c (find_dummy_reload): Likewise.
1695 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
1696 * reload1.c (reload_as_needed): Likewise.
1697 * stupid.c (stupid_find_reg): Likewise.
1698 * tm.texi (Obsolete Register Macros): Delete section.
1699 * gmicro.h: Remove all traces of the two macros.
1704 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
1706 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
1707 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
1708 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
1709 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
1710 units for the sparclite86x chip.
1711 (flush): Revert October 14th change; add SImode specifically.
1712 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
1713 * invoke.texi: Document it.
1715 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
1717 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
1718 psimode_truncation_operand.
1720 * config/mn10200/mn10200.c (psimode_truncation_operand): New
1721 function. Return true if the operand is either a MEM valid
1722 for a PSImode address or not a MEM at all.
1724 * config/mn10200/mn10200.md (truncsipsi2): Use
1725 psimode_truncation_operand.
1727 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1729 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
1730 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
1731 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
1732 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
1733 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
1734 (flow_loop_level_compute, low_loops_level_compute): Likewise.
1735 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
1736 * basic-block.h: Protect from multiple inclusion.
1737 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
1738 (struct loops, struct loop): Define structures.
1739 * sbitmap.c (sbitmap_a_subset_b_p): New function.
1740 * sbitmap.h: Protect from multiple inclusion.
1741 (sbitmap_a_subset_b_p): Add prototype.
1742 * Makefile.in (LOOP_H): New macro.
1743 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
1745 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
1747 * cppinit.c (CAT): The argument list of this macro may not contain
1750 1999-11-29 David S. Miller <davem@redhat.com>
1752 Move quantity tables and register equivalence chains into
1753 per-qty and per-register structure arrays respectively.
1754 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
1755 qty_const_insn, qty_comparison_code, qty_comparison_const,
1756 qty_comparison_qty): Delete, replace with...
1757 (qty_table): this structure table.
1758 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
1759 (reg_eqv_table): this structure table.
1760 (make_new_qty): Add argument MODE. Caller updated.
1761 Update to use qty_table and reg_eqv_table.
1762 (make_regs_eqv, delete_reg_equiv, insert_regs,
1763 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
1764 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
1765 cse_process_notes, cse_main, cse_basic_block): Likewise.
1767 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1769 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
1770 operation if C is negative.
1771 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
1772 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
1773 law for some divisions if constant is negative and change other
1774 divisions to the opposite rounding.
1776 * expr.c (store_constructor_field): If bit position is not multiple
1777 of alignment of TARGET's mode, use BLKmode.
1779 * expr.c (expand_expr_unaligned): Add more code from full case
1780 that is needed when OP0 is in a register.
1782 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1784 * dwarfout.c (field_byte_offset): Size can be zero if there was
1787 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1789 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
1790 (associate_trees): Delete unused var TEM.
1791 (extract_muldiv): Delete unused var CANCEL_P.
1793 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
1794 (target_isinf, target_isnan, target_negative): Add return types to
1795 function definitions.
1797 1999-11-29 Bruce Korb <autogen@linuxbox.com>
1799 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
1800 * fixinc/hackshell.tpl: ditto
1801 * fixinc/fixtests.c(double_slash_test): more C++ header testing
1802 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
1804 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
1806 * reload.c (push_reload): When looking for a register to put into
1807 reg_rtx, make sure all hard regs in a multi-reg register are in the
1808 right class and nonfixed.
1810 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
1811 pending_read_insns, pending_write_insns, pending_read_mems,
1812 pending_write_mems, pending_list_length, last_pending_memory_flush,
1813 last_function_call, sched_before_next_call): Move static variables
1815 (bb_ prefixed versions): Replace with single array bb_deps.
1816 (struct deps): New structure.
1817 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
1818 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
1819 argument of type "struct deps *"; use that instead of global
1820 variables. All callers changed.
1821 (init_rgn_data_dependencies): Delete function.
1822 (init_rtx_vector): Delete function.
1823 (init_deps): New function.
1825 (free_pending_lists): Simplify, we always use the bb_deps array even
1826 if only one basic block.
1827 (compute_block_backward_dependences): Likewise.
1828 (schedule_region): Likewise.
1830 (propagate_deps): New function, broken out of
1831 compute_block_backward_dependences.
1832 (compute_block_backward_dependences): Use it.
1834 * alpha.md: Delete useless patterns that tried to work around
1835 register elimination problems.
1837 * unroll.c (loop_iterations): Don't abort if iteration variable
1840 From Joern Rennecke:
1841 * reload1.c (reloads_conflict): Reverse test comparing operand
1842 numbers when testing for conflict between output/outaddr reloads.
1844 1999-11-29 David S. Miller <davem@redhat.com>
1846 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
1848 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
1850 1999-11-28 Robert Lipe <robertl@cygnus.com>
1852 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
1853 table from .fini into .dtor.
1855 1999-11-28 Anthony Green <green@cygnus.com>
1857 * tree.h (struct tree_decl): Add malloc_flag.
1858 (DECL_IS_MALLOC): Define.
1859 * c-common.c (attrs): Add A_MALLOC attribute.
1860 (init_attributes): Add this attribute to the table.
1861 (decl_attributes): Handle malloc attribute.
1862 * calls.c (special_function_p): Check for the malloc attribute.
1863 * extend.texi (Function Attributes): Document malloc attribute.
1865 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
1867 * pa.md (reload shift-add patterns): Remove.
1869 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1871 * reorg.c (dbr_schedule) Print more statistics. Corrected
1872 problem when printing info when 3 delay slots are filled.
1874 1999-11-28 Jakub Jelinek <jakub@redhat.com>
1876 * combine.c (setup_incoming_promotions): Pass an outgoing
1877 regno to FUNCTION_ARG_REGNO_P which it expects.
1879 1999-11-28 Andreas Jaeger <aj@suse.de>
1881 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
1883 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
1885 * cccp.c (do_include): Avoid initialization of automatic variable.
1887 * integrate.c (mark_stores): Function definition made void, to match
1888 previous declaration.
1889 * regclass.c (dump_regclass): Ditto.
1890 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
1892 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1894 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
1895 known to be multiple of divisor.
1897 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
1899 * combine.c (try_combine): Add code to try to merge a set of a
1900 two-word pseudo to a constant with a setting of one of those words
1903 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
1904 (split_tree): Completely rework to make more general.
1905 (make_range, fold): Call negate_expr.
1906 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
1907 (fold, associate): Call new split_tree and associate_trees.
1908 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
1910 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
1912 * loop.c (try_copy_prop): Avoid GNU C extension.
1914 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1916 * except.c (init_eh_for_function): Still zero eh_return_context,
1917 eh_return_stack_adjust, and eh_return_handler.
1919 * except.h (eh_status): Adjust documentation for x_protect_list.
1920 (begin_protect_partials): New function.
1921 * except.c (enqueue_eh_entry): Fix formatting.
1922 (get_first_handler): Add consistency check.
1923 (add_partial_entry): Adjust usage of protect_list.
1924 (emit_cleanup_handler): Save and restore ehqueue.
1925 (expand_start_all_catch): Add comment.
1926 (begin_protect_partials): New function.
1927 (end_protect_partials): Adjust usage of protect_list.
1928 (init_eh_for_function): Use xcalloc.
1930 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1932 * c-common.c (check_format_info): Don't call a variadic function
1933 with a non-literal format string.
1935 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
1937 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
1938 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
1941 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
1944 * collect2.c (collect_wait): Likewise.
1946 * dbxout.c (dbxout_type): Likewise.
1948 * gcc.c (do_spec_1): Likewise.
1950 * genemit.c (gen_insn, gen_expand): Likewise.
1952 * genrecog.c (write_switch, write_subroutine): Likewise.
1954 * mips-tfile.c (catch_signal, botch): Likewise.
1956 * print-rtl.c (print_rtx): Likewise.
1958 * toplev.c (default_print_error_function, report_error_function,
1959 _fatal_insn): Likewise.
1961 1999-11-25 Mark Mitchell <mark@codesourcery.com>
1963 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
1965 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
1967 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
1968 operations when needed.
1969 * i386.md (fop_?f_comm): New.
1970 (fop_?f_1): Do not accept commutative operands.
1972 1999-11-25 Andreas Jaeger <aj@suse.de>
1974 * config/mips/mips.md (casesi_internal): Add missing brace.
1976 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
1978 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
1979 (splice_child_die): Handle moving a child DIE from the declaration
1980 DIE of a class to its specification.
1981 (gen_struct_or_union_type_die): Use 'complete' consistently.
1982 (gen_decl_die): Generate the virtual context DIE first.
1983 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
1985 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
1987 * config/mips/mips.md (call_value_multiple_interanal1): New.
1989 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
1991 * dwarf2out.c (free_AT, free_die): New fns.
1992 (remove_children): Call them.
1993 (output_line_info): Disable removal of duplicate notes.
1995 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
1996 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
1997 means pretend the type isn't defined.
1998 Don't defer emitting types.
1999 (gen_type_die_for_member): New fn.
2000 (gen_decl_die): Call it.
2001 (splice_child_die): New fn.
2002 (gen_member_die): Call it rather than generate duplicate dies.
2004 Defer emitting information for the abstract instance of an inline
2005 until we either inline it or emit an out-of-line copy.
2006 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
2007 from output_inline_function if DECL_ABSTRACT is also set.
2008 (block_ultimate_origin): Likewise.
2009 (gen_abstract_function): New fn.
2010 (gen_decl_die, gen_inlined_subroutine_die): Call it.
2011 (gen_subprogram_die): An abstract instance is not a declaration
2012 just because it doesn't match current_function_decl. Don't abort
2013 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
2014 has an abstract origin.
2015 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
2016 abstract instance here.
2018 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
2020 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
2021 where we need to reload fpul from a system register.
2023 1999-11-24 Andreas Jaeger <aj@suse.de>
2025 * config/mips/linux.h (CPP_PREDEFINES): Added.
2026 (LINK_SPEC): Remove -Y since this is only needed on sparc.
2028 1999-11-24 Andreas Jaeger <aj@suse.de>
2030 * config/mips/linux.h (TARGET_VERSION): Added.
2031 (HANDLE_SYSV_PRAGMA): Added.
2032 (DEFAULT_VTABLE_THUNKS): Added.
2034 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
2036 * local-alloc.c (qty): New structure and static variable.
2037 (qty_phys_reg): Remove, all references changed to qty.
2038 (qty_n_refs): Likewise.
2039 (qty_min_class): Likewise.
2040 (qty_birth): Likewise.
2041 (qty_death): Likewise.
2042 (qty_size): Likewise.
2043 (qty_mode): Likewise.
2044 (qty_n_calls_crossed): Likewise.
2045 (qty_alternate_class): Likewise.
2046 (qty_changes_size): Likewise.
2047 (qty_first_reg): Likewise.
2048 (alloc_qty): Rename variable QTY to QTYNO.
2049 (finf_free_reg): Likewise.
2050 (local_alloc): Allocate qty, do not allocate the removed variables.
2052 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
2054 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
2055 when -membedded-pic is passed.
2057 * config/mips/mips.md (casesi): Handle 64-bit case too.
2058 (casesi_internal_di): New insn.
2060 * config/mips/mips.c (embedded_pic_offset): Always make the
2061 embedded-pic subtractions relative to the name of the current
2062 function by use of the magic string "..CURRENT_FUNCTION".
2063 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
2065 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
2067 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
2068 of (const_int 0), when what we really care about is
2069 whether it's a zero constant anyway.
2070 (div_trap_mips16): Likewise.
2072 1999-11-23 Mark Mitchell <mark@codesourcery.com>
2074 * loop.c (loop_optimize): Always find_loop_tree_blocks and
2075 unroll_block_trees when generating debuggable code.
2077 * tree.h (unsave_expr_1): New function.
2078 (lang_unsave): New variable.
2079 (get_callee_fndecl): New function.
2080 * tree.c (unsave_expr_now_r): New function.
2081 (lang_unsave): Define.
2082 (unsave_expr_1): Likewise.
2083 (unsave_expr_now_r): Split out from unsave_expr_now.
2084 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
2085 call unsave_expr_now_r.
2086 (get_callee_fndecl): Define.
2088 * Makefile.in (gencheck): Don't depend on lang_tree_files.
2089 (gencheck.o): Do depend on lang_tree_files.
2091 * integrate.h (copy_decl_for_inlining): New declaration.
2092 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
2093 (copy_decl_for_inlining): New function.
2094 (integrate_parm_decls): Use it.
2095 (integrate_decl_tree): Likewise.
2097 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
2099 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
2100 the second two from the first.
2101 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
2102 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
2103 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
2105 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
2106 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
2109 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
2111 * pa.md (call_internal_symref, call_value_internal_symref): No mode
2112 needed on the address operand.
2113 * pa.c (call_operand_address): Check for the correct mode.
2115 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
2117 * loop.c: Include "basic-block.h".
2118 (try_copy_prop, replace_loop_reg): New functions.
2119 (load_mems): Detect registers that just hold copies of the hoisted
2120 mem, and call try_copy_prop to eliminate them.
2121 * Makefile.in (loop.o): Update dependencies.
2123 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
2125 * Makefile.in (gencheck.o): Depend on gencheck.h.
2126 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
2127 (insn-peep.o): Depend on except.h and function.h.
2128 (insn-attrtab.o): Depend on RECOG_H.
2129 (insn-output.o): Depend on toplev.h and flags.h.
2130 (gengenrtl.o): Depend on real.h.
2131 (gen-protos.o): Depend on cpplib.h and cpphash.h.
2132 Unify all dependencies to be on RECOG_H rather than recog.h.
2134 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2136 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
2137 * configure.in: Try building a bi-arch 32/64-bit compiler on
2138 sparc-*-solaris2.7 and higher.
2139 * configure: Rebuild.
2141 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
2143 * config/freebsd.h: New, FreeBSD architecture independent file.
2144 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
2146 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
2147 directly by i386/freebsd.h.
2148 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
2149 independent configuration file.
2150 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
2151 directly by i386/freebsd.h.
2152 * configure: Rebuilt.
2154 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
2155 which is in the user's namespace.
2156 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
2157 `i386' which is not in our namespace.
2159 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
2161 * invoke.texi (ARM Options): Add in -mno-alignment-traps
2163 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
2165 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
2166 (add_dwarf_attr, add_child_die): Just push onto the front.
2167 (reverse_die_lists): New fn.
2168 (add_sibling_attributes): Use it.
2169 (push_decl_scope): Reorganize.
2170 (add_name_and_src_coords_attributes): Don't set file and line for
2172 (gen_subprogram_die): An artificial function doesn't need to match
2174 (gen_compile_unit_die): Return the generated die. Only add
2175 AT_comp_dir if the filename is relative.
2176 (remove_AT): Simplify loop. Also free string values.
2177 (output_die): A DIE ref can't be null.
2178 (output_value_format, value_format): Take a dw_attr_ref.
2179 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
2180 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
2181 AT_addr, AT_lbl): New fns.
2182 (various): Use them.
2183 (various): Constify.
2185 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2187 * combine.c (combine_simplify_rtx): When handling a SUBREG,
2188 take SUBREG_WORD into account.
2189 (if_then_else_cond): Likewise.
2191 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
2193 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
2194 clause from BSD license, pursuant with
2196 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
2198 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
2200 * loop.c (load_mems): Reformat slightly.
2201 * basic-block.h (regset_head): New typedef.
2202 (INIT_REG_SET): New macro.
2204 1999-11-22 Bruce Korb <autogen@linuxbox.com
2206 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
2207 (mips-dec-bsd*): non-functional code
2208 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
2210 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
2211 added three replacement fixes
2212 (no_double_slash): removed comments that are not (any longer) pertinent
2213 (bad_lval): this fix currently runs against many files.
2214 The comment seems to indicate that we should select for files
2215 containing 'pragma extern_prefix'.
2217 * fixinc/fixinc.x86-linux-gnu: deleted
2218 * fixinc/inclhack.sh: regen
2219 * fixinc/fixincl.x: regen
2220 * fixinc/fixincl.sh: regen
2222 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
2224 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
2225 its code is INSN and it has no notes.
2227 1999-11-22 Andrew Haley <aph@cygnus.com>
2229 * varasm.c (function_defined): Remove.
2230 (make_function_rtl): Don't set function_defined.
2231 (make_decl_rtl): Remove global register warning.
2232 * regclass.c (no_global_reg_vars): New variable.
2233 (globalize_reg): Warn if function has already been defined.
2234 (regclass_init): Set no_global_reg_vars.
2236 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
2238 * regclass.c (reg_pref): New structure and static variable
2239 (prefclass): Delete.
2241 (all uses of prefclass and altclass): Use reg_pref instead.
2243 1999-11-21 Nick Clifton <nickc@cygnus.com>
2245 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
2247 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
2248 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
2249 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
2251 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
2253 * varasm.c (output_constructor): Solve problem with long long
2254 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
2256 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2258 * global.c (allocno): New structure and static variable.
2259 (allocno_reg): Remove, all references replaced by allocno.
2260 (allocno_size): Likewise.
2261 (hard_reg_conflicts): Likewise.
2262 (hard_reg_preferences): Likewise.
2263 (hard_reg_copy_preferences): Likewise.
2264 (hard_reg_full_preferences): Likewise.
2265 (regs_someone_prefers): Likewise.
2266 (allocno_calls_crossed): Likewise.
2267 (allocno_n_refs): Likewise.
2268 (allocno_live_length): Likewise.
2269 (find_reg): Rename ALLOCNO to NUM.
2271 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
2273 (may_move_out_cost): New variable.
2274 (init_reg_sets_1): Initialize may_move_out_cost.
2275 (record_reg_classes): Use may_move_out_cost.
2277 * regclass.c (dump_regclass): New function.
2278 (regclass): New parameter DUMP, call DUMP_REGCLASS.
2279 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
2280 pass rtl_dump_file to regclass.
2281 * rtl.h (regclass): Update prototype.
2283 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2285 * i386.md (neg, not and abs patterns): Revmap to use
2286 ix86_expand_unary_operator and ix86_unary_operator_ok.
2287 (add?f and sub?f expanders): Force operand 1 to register.
2288 * i386.c (ix86_expand_unary_operator): Rewrite.
2289 (ix86_unary_operator_ok): Ensure that memory operands
2291 (ix86_binary_operator_ok): Do not allow operand 1 to
2292 come into memory and operand 0 not.
2293 (ix86_expand_binary_operator): Ensure that
2294 src1 is not non-matching memory.
2296 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
2297 to support integer registers and memory.
2298 (abss?2_integer): Likewise.
2300 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
2301 (REG_CLASS_NAMES): Likewise.
2302 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
2304 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
2305 (movsf): Likewise; unify 4th and 5th alternative.
2307 (movdf_1): Likewise; rename to movdf_integer.
2308 (pushxf): Likewise; rename to pushxf_integer; fix output template;
2309 remove redundant splitter.
2310 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
2311 (movdf_nointeger): New.
2312 (movxf_nointeger): New.
2313 (pushxf_nointeger): New.
2315 * i386.md (extend?f?f): Split to expander and pattern, refuse two
2316 memory operands in patterns.
2317 (fop*): Refuse two memory operands.
2319 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
2320 on !TARGET_USE_CLTD CPUs.
2322 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
2324 * extend.texi: Document C++ restricted pointers and references.
2326 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
2328 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
2329 (invalidate_skipped_set): Call it unconditionally.
2330 (cse_set_around_loop): Likewise.
2332 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2334 * rtl.texi (mem): Add documentation for alias-set argument
2337 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2339 * i386.h (struct_processor_costs): New fields int_load, int_store,
2340 fp_move, fp_load and fp_store
2341 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
2343 (MEMORY_MOVE_COST): New macro.
2344 * i386.c (386_cost): Define new fields.
2345 (i486_cost): Likewise.
2346 (pentium_cost): Likewise.
2347 (pentiumpro_cost): Likewise.
2348 (k6_cost): Likewise.
2350 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
2351 Geoffrey Keating <geoffk@cygnus.com>
2353 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
2355 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
2358 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
2359 (TARGET_STRICT_ALIGNMENT): New macro.
2360 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
2361 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
2362 * invoke.texi (M680x0 Options): Document -mstrict-align.
2364 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
2365 Richard Henderson <rth@cygnus.com>
2367 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
2368 (ix86_split_long_move): Declare.
2369 * i386.c (split_xf, ix86_split_movdi): Remove.
2370 (ix86_split_to_parts, ix86_split_long_move): New.
2371 * i386.md (dimode move splitters): Use ix86_split_long_move.
2372 (dfmode move splitters): Likewise.
2373 (xfmode move splitters): Likewise.
2374 (movsf_1): Allow F->r.
2375 (movdf_1, movxf_1): Allow F->ro.
2377 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2379 * except.h (struct eh_entry): Add goto_entry_p.
2380 (eh_region_from_symbol): Remove prototype.
2381 * except.c (find_func_region_from_symbol): New function.
2382 (emit_cleanup_handler): Likewise.
2383 (eh_region_from_symbol): Make it static.
2384 (add_new_handler): Verify the argument.
2385 (find_func_region): Update comment.
2386 (expand_eh_region_end): Expand handlers here, rater than waiting
2387 until expand_leftover_cleanups or start_all_catch.
2388 (expand_leftover_cleanups): Don't expand here.
2389 (expand_start_all_catch): Or here.
2390 (expand_rethrow): Check the return value from find_func_region.
2391 * function.c (expand_function_end): Emit the catch_clauses.
2393 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
2395 * integrate.c (expand_inline_function): Add necessary check for NULL.
2397 1999-11-18 Nick Clifton <nickc@cygnus.com>
2399 * toplev.c (main): Correctly detect an unrecognised option.
2401 * cppinit.c (cpp_handle_option): Do not claim to have consumed
2402 a -f option if it has not been recognised.
2404 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
2406 * basic-block.h (update_life_extent): Remove trailing comma on
2407 enumeration type list.
2409 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2411 * varasm.c (output_constructor) Solved problem with long long
2412 bitfields. Corrected calculating this_time and shift. Also
2413 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
2415 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
2417 * flow.c (split_edge): Take looping structure into account when
2418 determining where to put the new block note.
2420 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
2422 * Makefile.in (ggc-none.o): Provide host specific version if
2425 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
2427 * cse.c (delete_trivially_dead_insns): Identify no-op insns
2428 containing subregs too.
2430 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
2432 * invoke.texi: Add documentation for -muninit-const-in-rodata.
2433 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
2434 (TARGET_UNINIT_CONST_IN_RODATA): Define.
2435 (text_section): Add switches -munint-const-in-rodata and
2436 -mno-uninit-const-in-rodata.
2437 (ASM_OUTPUT_COMMON): Remove.
2438 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
2439 const objects should be placed in read-only data. Otherwise declare
2442 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
2444 * jump.c (jump_optimize_1): Revert last change.
2446 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
2448 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
2449 test if optimizing for size.
2451 1999-11-17 Mark Mitchell <mark@codesourcery.com>
2453 * Makefile.in (toplev.o): Depend on except.h.
2454 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
2456 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
2458 * i386.md (divmodsi4): Rewrite to expander.
2459 (*divmodsi4_nocltd): New.
2460 (*divmodsi4_cltd): New.
2461 (divmodsi4 splitter): Handle the case when input comes in edx.
2462 (udivmodhi4): Do not use constraints in exander.
2463 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
2465 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
2467 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
2468 for the common case.
2470 1999-11-16 Jakub Jelinek <jakub@redhat.com>
2472 * explow.c (hard_function_value): Add outgoing argument.
2473 * expr.h (hard_function_value): Declare it.
2474 * calls.c (expand_call, emit_library_call_value): Update callers.
2475 * function.c (aggregate_value_p): Ditto.
2476 (diddle_return_value): Must look at the outgoing registers
2477 on archs with register windows.
2479 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
2481 * alpha.c (alpha_build_va_list): Use make_lang_type and
2482 initialize TYPE_NAME for the va_list record.
2484 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
2486 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
2488 * ggc.h (struct ggc_statistics): Rearrange elements for better
2489 packing on 64-bit hosts.
2490 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
2491 (compute_nearerout): Likewise.
2493 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
2495 * config/rs6000/rs6000.c (first_reg_to_save): Save
2496 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
2498 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
2500 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
2501 notion of nesting to find the DIE for a type or function.
2502 DIEs can go in limbo even if we got a context_die.
2503 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
2504 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
2506 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
2507 (gen_type_die): Writing out the context doesn't cause member class
2508 template instantiations to be written out as well.
2510 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
2512 * rs6000.h (ASM_OUTPUT_DEF): New.
2513 Based on proposed addition from David Edelsohn.
2515 1999-11-15 Robert Lipe <RobertLipe@usa.net>
2516 Bruce Korb <autogen@linuxbox.com>
2518 * fixinc/inclhack.def
2519 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
2520 (unixware7_byteorder_fix): added. Removes conflicts for new defs
2522 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
2523 (svr4_endian): enabled with SVR5
2524 (svr4_mkdev): simplified syntax and enabled with SVR5
2526 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
2528 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
2529 * configure: Rebuilt.
2530 * config/t-freebsd-thread: New file.
2532 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
2534 * i386.c (ix86_decompose_address): Verify the base is a REG
2535 before trying to examine its register number.
2537 * basic-block.h: Remove all #defines and prototypes related to
2539 (free_bb_mem, compute_preds_succs): Remove prototype.
2540 * rtl.h (free_bb_mem): Remove prototype.
2541 * flow.c (alloc_int_list_node); Remove function.
2542 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
2543 (compute_preds_succs, free_bb_mem): Likewise.
2544 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
2545 * toplev.c (rest_of_compilation): Likewise.
2546 * haifa-sched.c (build_control_flow): Use flow generated edge
2547 list to build the haifa specific edge list.
2548 (find_rgns): Use new CFG data structures instead of pred/succ lists.
2549 (schedule_insns): Do not build pred/succ lists anymore. Instead
2550 build the edge table.
2552 * basic-block.h (dump_bb_data): Remove declaration.
2553 * flow.c (dump_bb_data): Remove function.
2554 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
2555 (sbitmap_union_of_predsucc): Likewise.
2557 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
2558 argument. All callers changed.
2559 (delete_null_pointer_checks_1): No longer need to compute the
2562 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
2563 All callers changed.
2564 (pre_expr_reaches_here_p_work): Likewise.
2565 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
2566 * lcm.c (compute_laterin): Fix initialization of LATER.
2567 (compute_nearerout): Similarly for NEARER.
2569 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2571 * cse.c (set_nonvarying_address_components): Delete unused function.
2572 (refers_to_p): Likewise.
2574 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
2576 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
2579 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2581 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
2582 definition in do while (0).
2584 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
2586 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
2588 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
2590 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
2592 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
2594 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
2595 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
2596 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
2597 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
2599 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
2600 saved on the stack. Output more accurate stack frame statistics
2601 into assembler file.
2603 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
2605 * genextract.c (record_insn_name): New function.
2606 (get_insn_name): No longer a stub.
2607 (main): Call record_insn_name for each insn. After each label
2608 written, print the insn name in a comment.
2610 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2612 * output.h (const_section, init_section, fini_section): Add
2615 * alpha/elf.h (const_section): Delete declaration.
2617 * svr4.h (const_section): Likewise.
2619 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
2621 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
2622 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
2623 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
2625 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
2626 variable-sized array bounds.
2628 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
2630 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
2633 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2635 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
2636 addresses the same way GO_IF_LEGITIMATE_INDEX does.
2638 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2640 * cse.c (hash_arg_in_struct): Delete.
2641 (struct table_elt): Delete elt in_struct.
2642 (struct set): Delete elt src_in_struct.
2643 (merge_equiv_classes): Don't set either hash_arg_in_struct or
2644 the corresponding in_struct elts.
2645 (canon_hash): Likewise.
2646 (safe_hash): Likewise.
2647 (find_best_addr): Likewise.
2648 (record_jump_cond): Likewise.
2649 (cse_insn): Likewise.
2651 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
2653 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
2655 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
2658 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
2660 * function.c (diddle_return_value): Put back check that the DECL_RTL
2661 for the function is a register.
2663 * function.c (diddle_return_value): Use hard_function_value to
2664 get an rtx suitable for use in the USE/CLOBBER insn.
2666 * global.c (global_conflicts): Update comments.
2667 (record_conflicts): No need to record conflicts between pseudos here.
2669 1999-11-11 Bruce Korb <autogen@linuxbox.com>
2671 * fixinc/fixincl.c: Added verbose levels for status messages
2673 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
2675 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
2676 operand as argument to expand_and or expand_binop.
2678 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
2680 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
2681 gcc_add_string_root.
2683 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
2685 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
2687 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
2689 * flow.c (compute_flow_dominators): Initially put all blocks on
2691 * lcm.c (compute_antinout_edge, compute_available): Similarly.
2692 * gcse.c (compute_cprop_avinout): Remove.
2693 (compute_cprop_data): Use compute_available.
2694 (delete_null_pointer_checks_1): Use compute_available.
2696 * basic-block.h (compute_available): Returns a void now.
2697 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
2698 to return a value anymore.
2699 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
2700 worklists. Fix boundary cases. Compute maximal solutions.
2701 (compute_laterin, compute_nearerout): Similarly.
2703 * dwarf2out.c (add_AT_location_description): Allow
2704 (mem (plus (pseudo) (...)) too.
2706 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
2708 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
2710 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
2711 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2713 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
2715 * gansidecl.h: Likewise.
2721 * toplev.h: Likewise.
2727 * varray.c: Likewise.
2729 * varray.h: Likewise.
2731 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
2733 * gcov.c (struct arcdata): Add hits and total, remove prob.
2734 (output_branch_counts): New.
2735 (process_args): Set output_branch_counts if -c.
2736 (calculate_branch_probs): Store hits and total instead of
2738 (output_data): Emit counts if output_branch_counts is true.
2739 * gcov.texi (Invoking Gcov): Document -c switch..
2741 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
2743 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
2744 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
2746 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
2748 * invoke.texi (C Dialect Options): Add missing builtins from
2750 * extend.texi (Other Builtins): Copy to this list.
2752 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2754 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
2755 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
2758 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
2760 * flow.c (compute_flow_dominators): No longer treat basic block 0
2761 or (n_basic_blocks - 1) specially. Clear the AUX field before
2762 starting computation of doms/pdoms. Fix initial state for pdoms.
2764 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2766 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
2767 match rtl.o's: added ggc.h and toplev.h
2768 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
2769 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
2770 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
2772 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
2774 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
2775 from HAVE_DOS_BASED_FILESYSTEM.
2776 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
2777 HAVE_DOS_BASED_FILESYSTEM.
2779 (split_directories): Only special-case DOS file names if
2780 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
2781 instead of explicit tests. Conditionalize on !VMS.
2782 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
2783 tests. Conditionalize on !VMS.
2784 (process_command): Only use make_relative_prefix if !VMS.
2785 (free_split_directories): Conditionalize on !VMS.
2786 (DIR_UP): Conditionalize on !VMS.
2788 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
2790 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
2792 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
2794 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
2797 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
2799 * invoke.texi (Environment Variables): Document relative path
2801 * gcc.c (DIR_UP): If not defined, define as "..".
2802 (standard_bindir_prefix): New static, holds target location to
2804 (split_directories): New function to split a filename into
2805 component directories.
2806 (free_split_directories): New function, release memory allocated
2807 by split_directories.
2808 (make_relative_prefix): New function, make a relative pathname if
2809 the compiler is not in the expected location.
2810 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
2811 can figure out an appropriate prefix from argv[0].
2812 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
2813 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
2814 STANDARD_BINDIR_PREFIX.
2816 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2818 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
2820 * config/c4x/c4x.h: Moved prototypes to c4x.h.
2821 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
2822 c4x_secondary_memory_needed) Delete.
2823 (fp_zero_operand): Add mode argument.
2825 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
2827 * reload1.c (reload_reg_free_for_value_p): Don't use a register
2828 that is in reload_reg_used.
2830 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
2832 * config/arm/arm-protos.h: New file: Prototypes for functions
2833 defined in arm.c and pe.c.
2834 * config/arm/arm.h: Fix compile time warnings.
2835 * config/arm/arm.c: Fix compile time warnings.
2836 * config/arm/pe.h: Fix compile time warnings.
2837 * config/arm/aout.h: Fix compile time warnings.
2839 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
2841 * config/m32r/m32r-protos.h: New file: Prototypes for functions
2844 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
2845 Add support for subtargets.
2846 Add prototypes for new predicates.
2847 Add scheduling macros.
2849 * config/m32r/m32r.c: Fix compile time warnings.
2850 (int8_operand): New predicate function.
2851 (reg_or_cmp_int16_operand): New predicate function.
2852 (extend_operand): New predicate function.
2853 (m32r_adjust_code): New scheduling function.
2854 (m32r_adjust_priorty): New scheduling function.
2855 (m32r_sched_init): New scheduling function.
2856 (m32r_sched_reorder): New scheduling function.
2857 (m32r_sched_variable_issue): New scheduling function.
2858 (direct_return): New codegen function.
2859 (m32r_not_same_reg): New rtl testsing function.
2861 * config/m32r/m32r.md: Fix compile time warnings.
2862 Add support for pre decrement and post increment memory
2867 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2869 * global.c (EXECUTE_IF_CONFLICT): Don't define.
2870 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
2871 (find_reg): Likewise.
2873 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
2875 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
2876 to avoid assembler errors.
2878 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
2880 * config/v850/v850-protos.h: New file: Prototypes for functions
2882 * config/v850/v850.h: Move prototypes to v850-protos.h
2883 * config/v850/v850.c: Move prototypes to v850-protos.h
2884 * config/v850/v850.md: Fix compile time warnings.
2886 * config/fr30/fr30-protos.h: New file: Prototypes for functions
2888 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
2889 * config/fr30/fr30.c: Fix compile time warnings.
2890 * config/fr30/fr30.md: Fix compile time warnings.
2892 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
2894 * tree.h (get_containing_scope): Declare it.
2895 * tree.c (get_containing_scope): New fucntion.
2896 (decl_function_context): Use it.
2897 * toplev.c (rest_of_compilation): Use get_containing_scope.
2899 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2901 * Makefile.in (rtl.o): Depend on toplev.h.
2903 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
2905 * cse.c (delete_trivially_dead_insns): Replace alloca with
2907 * except.c (update_rethrow_references): Likewise.
2908 (init_eh_nesting_info): Likewise.
2909 * function.c (identify_blocks): Likewise.
2910 * gcse.c (dump_hash_table): Likewise.
2911 * graph.c (print_rtl_graph_with_bb): Likewise.
2912 * loop.c (combine_movables): Likewise.
2913 (move_movables): Likewise.
2914 (count_loop_regs_set): Likewise.
2915 (strength_reduce): Likewise.
2916 * profile.c (compute_branch_probabilities): New function, split
2918 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
2919 * regclass.c (regclass): Likewise.
2920 * regmove.c (regmove_optimize): Likewise.
2921 * toplev.c (compile_file): Likewise.
2922 (main): Don't mess with the stack rlimit.
2924 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
2926 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
2927 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
2929 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
2931 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
2933 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
2935 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
2936 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
2939 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
2941 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
2943 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
2945 * gcse.c (post_dominators): Kill.
2946 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
2947 (compute_code_hoist_data): Use compute_flow_dominators. Do not
2948 pass in a pdom array since we do not need pdoms.
2949 * haifa-sched.c (schedule_insns): Similarly.
2950 * flow.c (compute_dominators): Remove dead function.
2951 (compute_flow_dominators): Do not compute doms or pdoms if the
2952 caller does not request them. Split up loop to build doms and
2953 pdoms. Use a worklist to compute doms and pdoms.
2954 * basic-block.h (compute_dominators): Remove prototype.
2956 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
2958 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
2959 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
2960 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
2961 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
2962 (cant_move, fed_by_spec_load, is_load_insn): Remove.
2963 (schedule_region): Remove unused variable.
2964 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
2966 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
2968 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
2969 (update_equiv_regs): Likewise.
2970 (block_alloc): Likewise.
2971 * reg-stack.c (reg_to_stack): Likewise.
2972 (convert_regs_2): Likewise.
2973 * reload1.c (reload_as_needed): Likewise.
2975 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
2977 * Makefile.in (dbxout.o): Depend on ggc.h.
2978 (dwarf2out.o): Likewise.
2979 (xcoffout.o): Likewise.
2980 * dbxout.c: Include ggc.h.
2981 (dbxout_init): Register lastfile as a root.
2982 * dwarf2out.c: Include ggc.h.
2983 (dwarf2out_line): Register lastfile as a root.
2984 * xcoffout.c: Include ggc.h.
2985 (xcoffout_source_line): Register xcoff_lastfile as a root.
2987 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
2989 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
2991 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
2993 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
2995 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
2997 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
2999 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
3000 (EXECUTE_IF_CONFLICT): Likewise.
3001 (ALLOCNO_LIVE_P): Avoid signed division.
3002 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
3003 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
3004 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
3006 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
3008 * haifa-sched.c (schedule_block): Don't crash if there's no
3009 next insn for an interblock movement.
3010 (add_branch_dependences): Don't allow clobber insns to move either.
3012 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
3014 * i386.c (split_xf): New.
3015 * i386-protos.h: Declare it.
3016 * i386.md (movxf_1): Add general regs alternatives.
3017 (movxf_1+1): New splitter for same.
3019 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
3021 * function.c (purge_addressof_1): Add missing return values.
3023 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
3025 * function.c (is_addressof): New function. Returns true if
3026 the given piece of RTL is an ADDRESSOF.
3027 (purge_addressof_1): Make boolean. Return false if the
3028 ADDRESSOFs could not be purged.
3029 (purge_addressof): If ADDRESSOFs could not be purged from the
3030 notes attached to an insn, remove the offending note(s),
3031 unless they are attached to a libcall.
3033 1999-11-05 Andreas Jaeger <aj@suse.de>
3035 * genoutput.c (null_operand =): Initialize all fields.
3037 * errors.h: Add extern to prototypes.
3039 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
3041 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
3042 * configure: Rebuilt.
3044 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3046 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
3047 (mirror_conflicts): New function.
3048 (global_alloc): Call it.
3049 (expand_preferences): Remove redundant CONFLICTP test.
3050 (find_reg, dump_conflicts): Likewise.
3051 (prune_preferences): Process conflicts one word at a time.
3053 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
3055 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
3056 instead of an explicit loop.
3058 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
3060 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
3061 if REG_RETVAL check succeeds, then put classp in src_elt.
3063 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
3065 * function.c (pad_to_arg_alignment): Only update argument_pad
3066 if the argument's alignment is greater than STACK_BOUNDARY.
3068 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
3070 * bitmap.h (BITMAP_XFREE): New.
3071 * flow.c (life_analysis): Use it.
3072 (life_analysis_1): Free blocks.
3074 * combine.c (undo_commit): New.
3075 (try_combine): Use it. Don't zap undobuf.undos.
3076 (combine_instructions): Don't zap undobuf.undos; free the
3079 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
3081 * stmt.c (cost_table_): New.
3082 (estimate_case_costs): Use it instead of xmalloc.
3084 * toplev.c (compile_file): Reuse dumpname memory instead
3087 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
3089 * reg-stack.c (convert_regs_1): Initialize target_stack->top
3090 after verifying an EH edge.
3092 * haifa-sched.c (init_rgn_data_dependences): Correctly
3093 size bb_pending_lists_length when zeroing.
3095 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
3097 * function.c (diddle_return_value): New.
3098 (expand_function_end): Use it.
3099 * stmt.c (expand_null_return): Likewise.
3100 (expand_value_return): Likewise.
3102 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
3104 * reload1.c (reload): Don't remove return value clobbers.
3106 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
3108 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
3110 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
3112 * cse.c (cse_main): Use xmalloc, not alloca.
3113 (cse_basic_block): Likewise.
3114 * local-alloc.c (local_alloc): Likewise.
3116 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
3117 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3119 * rtl.c: Include toplev.h.
3120 (fatal): Remove declaration.
3122 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
3124 * haifa-sched.c (schedule_block): Fix thinko.
3126 1999-11-03 James McKelvey <mckelvey@fafnir.com>
3128 * fixinc/fixincl.c(create_file): Allow for systems that do not have
3129 S_IR* defined values
3131 1999-11-03 Philippe De Muyter <phdm@macqel.be>
3133 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
3134 call `malloc' instead.
3136 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
3138 * flags.h (flag_renumber_insns): Declare.
3139 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
3141 * rtl.h (renumber_insns): Change prototype.
3142 * toplev.c (flag_renumber_insns): Define.
3143 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
3145 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
3147 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
3148 and fpsqrtd. Use them and create fdiv function unit to more
3149 accurately represent fpu sqrt pipeline semantics on UltraSparc.
3150 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
3152 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
3154 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
3156 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
3157 insn into ready list, do not use just a raw swap.
3159 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
3161 * rtl.h (renumber_insns): New function.
3162 (remove_unnecessary_notes): Likewise.
3163 * emit-rtl.c (renumber_insns): Define.
3164 (remove_unncessary_notes): Likewise.
3165 * toplev.c (rest_of_compilation): Remove dead code.
3166 Use renumber_insns and remove_unncessary_notes.
3168 * gcse.c (struct null_pointer_info): New type.
3169 (get_bitmap_width): New function.
3170 (current_block): Remove.
3171 (nonnull_local): Likewise.
3172 (nonnull_killed): Likewise.
3173 (invalidate_nonnull_info): Take a null_pointer_info as input.
3174 (delete_null_pointer_checks_1): New function.
3175 (delete_null_pointer_checks): Use it.
3177 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
3178 (split_edges): Likewise.
3179 (schedule_block): Likewise.
3180 (compute_block_backward_dependencies): Likewise.
3181 (schedule_region): Likewise.
3182 (schedule_insns): Likewise.
3184 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
3186 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
3187 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
3188 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
3189 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
3190 * jump.c (delete_unreferenced_labels): Don't delete if
3191 LABEL_ALTERNATE_NAME is set.
3192 * print-rtl.c (print_rtx): Dump alternate name.
3193 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
3194 * rtl.h (LABEL_ALTERNATE_NAME): Define.
3195 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
3196 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
3198 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3200 * fix-header.c (recognized_extern, recognized_function): Constify
3203 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
3204 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
3205 (compute_available): Remove unused variable `last'.
3206 (compute_nearerout): Remove unused variable `temp_bitmap'.
3207 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
3208 Remove unused variable `x'.
3210 * scan.h (recognized_function, recognized_extern): Constify a
3213 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
3215 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3217 * varasm.c (decode_rtx_const): Use XSTR to access the string
3220 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
3222 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
3224 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3226 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
3228 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
3230 * pa.c (ireg_operand): New function.
3231 * pa.h (PREDICATE_CODES): Handle ireg_operand.
3232 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
3233 Fix out of date comment.
3235 * pa.md (negdi2): Turn into expander + anonymous pattern.
3237 * reload.c (find_reloads): Fix typos in recent change.
3239 * dwarf2out.c: Do not include ctype.h.
3241 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3243 * regclass.c (record_reg_classes): Always use may_move_cost when
3244 seeing how operand fits with various register classes.
3246 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
3248 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
3249 * toplev.c: Revert Nov 1 13:22 change.
3251 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
3253 * config/pa/pa.md (height reduction patterns): Add checks for
3254 overlapping operands to avoid semantic-destroying splits for
3255 height reduction patterns.
3257 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3259 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
3260 have been an hyphen, fixed.
3261 * configure: Rebuilt.
3263 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
3265 * config/arm/tpe.h: Add prototypes for exported functions.
3266 * config/arm/pe.c: Fix compile time warnings.
3267 * config/arm/semi.h: Fix compile time warnings.
3268 * config/arm/arm.c: Fix compile time warnings.
3269 * config/arm/arm.h: Fix compile time warnings.
3270 * config/arm/arm.md: Fix compile time warnings.
3271 * config/arm/thumb.c: Fix compile time warnings.
3272 * config/arm/thumb.h: Fix compile time warnings.
3273 * config/arm/thumb.md: Fix compile time warnings.
3275 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
3277 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
3280 * unroll.c (unroll_loop): Remove LOOP notes when loop is
3281 completely unrolled.
3283 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3285 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
3287 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
3289 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
3290 * rtl.h (rtx_equal_p): Move prototype.
3291 * rtl.c (rtx_equal_function_value_matters): Move from
3293 (rtx_equal_p): Likewise.
3294 * rtlanal.c (rtx_equal_function_value_matters): Delete.
3295 (rtx_equal_p): Likewise.
3297 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
3299 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
3302 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
3304 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
3306 * pa.h (ADDR_VEC_ALIGN): Define.
3308 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
3309 notes when presented with "if (foo) break; end_of_loop" and
3310 the break sequence gets moved out of the loop.
3312 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
3313 Remove explicit zero initializations of entries within MAP.
3315 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
3317 * reg-stack.c (convert_regs_1): Handle EH edges specially.
3319 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
3321 * bitmap.h (BITMAP_XMALLOC): New macro.
3322 * flow.c (CLEAN_ALLOCA): Remove.
3323 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
3324 (life_analysis): Likewise.
3325 (update_life_info): Don't use CLEAN_ALLOCA.
3326 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
3327 (calculate_global_regs_live): Likewise.
3328 (print_rtl_with_bb): Likewise.
3329 (verify_flow_info): Likewise.
3330 * global.c (global_alloc): Likewise.
3331 (global_conflicts): Likewise.
3332 * integrate.c (save_for_inline_nocopy): Likewise.
3333 (expand_inline_function): Likewise.
3334 * jump.c (jump_optimize_1): Likewise.
3335 (duplicate_loop_exit_test): Likewise.
3336 (thread_jumps): Likewise.
3337 * loop.c (loop_optimize): Likewise.
3338 (combine_givs): Likewise.
3339 (recombine_givs): Likewise.
3340 * reorg.c (dbr_schedule): Likewise.
3341 * unroll.c (unroll_loop): Likewise.
3343 * combine.c (combine_instructions): Use xmalloc instead of alloca.
3345 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
3347 * toplev.c (rest_of_compilation): Don't optimize the CFG
3348 when rebuilding, just before dbr.
3350 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3352 * output.h (assemble_end_function, assemble_destructor,
3353 assemble_constructor, assemble_gc_entry, assemble_global,
3354 assemble_label, output_constant_pool) Constify a char*.
3356 * varasm.c (assemble_destructor, assemble_constructor,
3357 assemble_gc_entry, assemble_end_function, assemble_global,
3358 assemble_label, output_constant_pool): Likewise.
3360 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
3362 * config/arm/thumb.c (thumb_expand_prologue): Add comments
3363 explaining what is goin on in this function.
3365 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3367 * regclass.c (record_reg_classes): In matching case, recompute
3368 costs since the direction of movement is different.
3370 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
3372 * resource.c (mark_target_live_regs): For unconditional branches,
3373 the resources found at the branch target should be added to the
3374 resources found so far, not intersected.
3376 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
3378 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
3380 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
3381 (sys/mman.h): Include this file only if #HAVE_MMAP.
3382 (run_compiles): Initialize `esac_fmt' with one old KR string, not
3383 with automatically concatenated ANSI strings.
3385 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
3387 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
3388 (DIV_ROUND_UP): Robustify.
3389 (ggc_recalculate_in_use_p): New function.
3390 (release_pages): Don't inline it.
3391 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
3393 (ggc_pop_context): Use ggc_recalculate_in_use_p.
3394 (clear_marks): Always save in_use_p.
3395 (sweep_pages): Use ggc_recalculate_in_use_p.
3396 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
3397 Release pages before counting statistics.
3399 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
3401 * toplev.c (rest_of_compilation): Fix thinko in this change:
3403 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3405 (rest_of_compilation): If inside an inlined external function,
3406 pretend we are just being declared.
3408 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
3410 * flow.c (calculate_global_regs_live): Fix thinko.
3412 * integrate.c (expand_inline_function): Fix bugs in previous
3413 change from Oct 28, 1999.
3415 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
3417 * stmt.c (expand_value_return): Fix typo in this change:
3419 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3420 (expand_value_return): Correctly convert VAL when promoting function
3421 return; support RETURN_REG being a PARALLEL.
3423 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
3425 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
3427 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3429 * hard-reg-set.h (reg_names): Constify a char*.
3431 * regclass.c (reg_names): Likewise.
3433 * regs.h (reg_names): Likewise
3435 * a29k/a29k.c (reg_names): Delete declaration.
3437 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
3439 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
3440 arc_output_function_epilogue): Likewise.
3442 * elxsi/elxsi.c (reg_names): Likewise.
3444 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
3446 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
3449 * m88k/m88k.c (output_function_profiler): Likewise.
3451 * sparc/sparc.c (sparc_flat_output_function_prologue,
3452 sparc_flat_output_function_epilogue): Likewise.
3454 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
3456 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
3457 warning from -Wuninitialized and put it under -W.
3458 * function.c (uninitialized_vars_warning): Warn only when the
3459 corresponding flag is set.
3461 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
3463 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
3464 is nonzero and the single set does not have an elt, then assign
3467 * simplify-rtx.c: New file.
3468 * Makefile.in (OBJS): Add simplify-rtx.o
3469 (simplify-rtx.o): Add dependencies.
3470 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
3471 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
3472 (cse_gen_binary, simplify_unary_operation): Delete.
3473 (simplify_binary_operation, simplify_plus_minus): Likewise.
3474 (check_fold_consts, simplify_relation_operation): Likewise.
3475 (simplify_ternary_operation): Likewise.
3476 (delete_trivially_dead_insns): Simplify the contents of the
3477 REG_EQUAL note before trying to substitute it into the source
3478 of the reg-reg copy at the end of a libcall sequence.
3480 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
3481 references/callers changed.
3483 * mn10200.c (mn10200_va_arg): Force the return value into a
3486 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
3488 * cccp.c (macroexpand): Avoid out of range accesses for omitted
3491 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
3493 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
3495 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
3497 * fold-const.c (fold): Fix thinko when optimizing comparisons
3500 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
3502 * gcc.texi (Passes): Update front-end files to their current
3505 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
3507 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
3508 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3509 (PREDICATE_CODES): Add addition_operation.
3510 * alpha-protos.h (addition_operation): Declare.
3511 (secondary_reload_class): Likewise.
3512 * alpha.c (addition_operation): New.
3513 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
3514 * alpha.md (adddi3): Turn into expander.
3515 (*lda, *adddi_2): New.
3516 (movsf, movdf patterns): Don't preference integer regs.
3517 (movsi, movdi patterns): Don't preference fp regs.
3519 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
3521 * genrecog.c (write_switch): Check for duplicate CODE cases.
3523 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
3525 * ggc-common.c: Update pre-function commentary.
3526 * ggc-page.c: Likewise.
3528 (poison_pages): Use memset directly.
3529 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
3530 (ggc_collect): Poison before sweeping.
3531 * ggc-simple.c: Update pre-function commentary.
3532 (ggc_alloc_obj): Poison non-zeroed memory.
3534 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
3536 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
3537 match format string, even on 64-bit hosts.
3538 * gcc-page.c (ggc_page_print_statistics): Likewise.
3540 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
3542 * config/i386/i386.c (ix86_cpu): Revert last patch.
3543 * config/i386/i386.h (ix86_cpu): Ditto.
3545 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
3547 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
3548 TYPE_SIZE, convert type of result to sizetype.
3550 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
3552 * flow.c (count_or_remove_death_notes): Equate NULL with the
3555 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
3556 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
3559 * i386.c (pic_label_no): Delete.
3560 (ix86_attr_length_default): Don't use single_set to peek
3563 * recog.c (peephole2_optimize): Allow recog_next_insn to index
3564 the first insn after bb->end.
3565 * i386.md (push mem peeps): Scratch is live after evaluation
3567 (cmp mem peep): Similarly.
3569 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
3571 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
3572 * function.c (pad_to_arg_alignment): Add missing braces.
3574 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3576 * alpha/alpha-protos.h (literal_section): Add prototype.
3577 (alpha_need_linkage, alpha_start_function,alpha_end_function):
3580 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
3582 (alpha_start_function, alpha_end_function, float_strings,
3583 alpha_need_linkage): Constify a char*
3585 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
3587 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
3589 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
3591 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
3593 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3595 * flow.c (debug_flow_info): Add prototype.
3597 * gcc.c (main): Likewise.
3599 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
3602 * reload1.c (failed_reload, set_reload_reg): Likewise.
3604 * mips-tfile.c (main): Likewise.
3605 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
3606 with ATTRIBUTE_NORETURN.
3608 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
3610 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
3611 DECL is not a memory ref.
3613 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
3615 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
3616 * config/i386/i386.c (ix86_cpu): Add extern attribute.
3618 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
3620 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
3621 * config/mips/elf64.h: ditto.
3623 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
3625 * expr.c (emit_push_insn): New argument alignment_pad.
3626 Update all callers. Adjust stack pointer based on alignment pad.
3627 * function.c (pad_to_arg_alignment): New argument alignment_pad.
3628 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
3629 (locate_and_pad_parm): New argument alignment_pad. Update all
3631 * expr.h (emit_push_insn): Update prototype.
3632 (locate_and_pad_parm): Update prototype.
3633 * calls.c (arg_data): Add new field alignment_pad.
3634 (initialize_argument_information): Initialize alignment_pad.
3636 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
3638 * except.c (free_eh_nesting_info): Free the info itself.
3639 * function.c (free_after_compilation): Don't free NULL.
3640 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
3641 (pre_edge_insert): Free inserted.
3642 * stmt.c (free_stmt_status): Don't free NULL.
3644 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
3646 * gcov.c (DIR_SEPARATOR): Provide default.
3647 (output_data): Add test for MS-DOS format absolute filename.
3648 (fancy_abort): Correct program name.
3649 (open_files): Open all files in binary mode.
3650 * libgcc2.c (__bb_exit_func): Likewise.
3652 * profile.c (init_branch_prob): Specify binary when opening files.
3654 * flags.h (flag_unwind_tables): New decl.
3655 * toplev.c (flag_unwind_table): New definition.
3656 (f_options): Add -funwind-tables.
3657 (decode_g_option): Clarify warning when unknown -g option is given.
3658 (rest_of_compilation): If inside an inlined external function,
3659 pretend we are just being declared.
3661 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
3662 (dwarf2out_frame_finish): Likewise.
3664 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
3666 * fold-const.c (merge_ranges): If not in0, but in1, handle
3667 upper bounds equal like subset case.
3669 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
3671 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
3672 passed in a register but moved to the stack.
3674 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
3676 * gcc.c (pass_exit_codes, greatest_status): New variables.
3677 (struct option_map): Add entry for "--pass-exit-codes".
3678 (execute): Update greatest_status if error.
3679 (display_help): Add documentation for -pass-exit-codes.
3680 (process_command): Handle -pass-exit-codes.
3681 (main): Look at pass_exit_codes and greatest_status on call to exit.
3683 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3685 * reload.c (find_reloads): Refine test for no input reload
3686 case to not includes reloads emitted after insn.
3688 * function.c (find_temp_slots_from_address): Handle sum involving
3689 a register that points to a temp slot.
3690 (update_temp_slot_address): Make recursive call if both old and
3691 new are PLUS with a common operand.
3692 * calls.c (expand_call): Mark temp slot for result as having
3695 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
3697 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
3698 component as well as "BINUTILS".
3700 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
3701 * integrate.c (copy_rtx_and_substitute): Likewise.
3702 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
3703 All callers changed.
3704 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
3706 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
3707 gdb extensions, write size of type; also be more consistent
3708 in using references when this is a subtype.
3710 * pa.md (extv, extzv, insv): Use define_expand to reject constant
3711 that is out of range.
3713 * loop.c (unknown_constant_address_altered): New variable.
3714 (prescan_loop): Initialize it.
3715 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
3716 (invariant_p, case MEM): Remove handling for volatile and readonly;
3717 check new variable if readonly.
3718 (check_dbra_loop): Chdeck unknown_constant_address_altered.
3720 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
3721 (addr_affects_sp_p): Removed from note_mem_written and only
3722 define #ifdef AUTO_INC_DEC.
3724 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
3726 * regclass.c (record_reg_classes): Properly handle register move
3729 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
3730 Don't think valid if both operands are invalid.
3731 (struct constant_descriptor): New field RTL.
3732 (mark_const_hash_entry): Mark it.
3733 (record_constant{,_rtx}): Initialize it.
3734 (output_constant_def): Allocate RTL in permanent obstack and
3736 ({record,compare}_constant_1): Modes must match for
3737 CONSTRUCTOR of ARRAY_TYPE.
3739 * c-common.h (initializer_constant_valid_p): Delete decl from here.
3740 * output.h (initializer_constant_valid_p): Move decl to here.
3741 * c-common.c (initializer_constant_valid_p): Delete function from here.
3742 * varasm.c (initializer_constant_valid_p): Move function to here.
3744 * tree.h (STRIP_SIGN_NOPS): New macro.
3745 * fold-const.c (optimize_minmax_comparison): New function.
3746 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
3747 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
3748 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
3749 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
3750 widening conversions.
3751 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
3752 to look at size of mode, not precision of type; also add missing cases.
3753 (optimize_bit_field_compare, decode_field_reference): Don't try to
3754 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
3756 * dwarf2out.c (ctype.h): Include.
3757 (dwarf2out_set_demangle_name_func): New function.
3758 (size_of_line_info): Deleted.
3759 (output_line_info): Compute size of line info table from difference
3761 (base_type_die, add_name_attribute): Call demangle function, if any.
3762 (field_byte_offset): Use bits per word for variable length fields.
3763 (gen_array_type_die): Add array name.
3764 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
3765 (dwarf2out_add_library_unit_info): New function.
3767 * explow.c (set_stack_check_libfunc): New function.
3768 (stack_check_libfunc): New static variable.
3769 (probe_stack_range): Allow front-end to set up a libfunc to call.
3771 * combine.c (simplify_comparison): When making comparison in wider
3772 mode, check for having commuted an AND and a SUBREG.
3773 (contains_muldiv): New function.
3774 (try_combine): Call it when dividing a PARALLEL.
3775 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
3776 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
3778 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
3779 use one of the CLOBBERs instead.
3780 (if_then_else_cond): If comparing against zero, just return thing
3783 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
3784 Don't generate shifts and subtract if have conditional arithmetic.
3786 * rtl.h (delete_barrier): New declaration.
3787 * jump.c (jump_optimize): Set up to handle conditional call.
3788 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
3789 (delete_barrier): New function.
3791 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
3793 * recog.c (nonmemory_operand): Accept ADDRESSOF.
3795 * tree.c (build_type_attribute_variant): Push to obstack of
3796 ttype around type_hash_canon call.
3798 * expr.c (placeholder_list): Move decl to file scope.
3799 (expand_expr): Don't force access to volatile just because its
3801 If ignoring reference operations, just expand the operands.
3802 (expand_expr, case COMPONENT_REF): Propagate
3803 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
3804 Refine test for using bitfield operations vs pointer punning.
3805 (expand_expr, case CONVERT_EXPR): If converting to
3806 BLKmode UNION_TYPE from BLKmode, just return inner object.
3807 Use proper mode in store_field call.
3808 Properly set sizes of object to store and total size in store_field
3809 call for convert to union.
3810 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
3811 memory (like for ADDR_EXPR). Also, don't put constant in register if
3812 we'll want it in memory.
3813 (readonly_fields_p): New function.
3814 (expand_expr, case INDIRECT_REF): Call it if LHS.
3815 (expand_assignment): Handle a RESULT_DECL where
3816 DECL_RTL is a PARALLEL.
3817 (do_jump, case WITH_RECORD_EXPR): New case.
3818 (get_inner_reference): Always go inside a CONVERT_EXPR
3819 and NOP_EXPR if both modes are the same.
3820 (store_field): Use bitfield operations if size of bitsize is not same
3821 as size of RHS's type.
3822 Check for bitpos not a multiple of alignment in BLKmode case.
3823 Do block move in largest possible alignment.
3824 (store_constructor): Set BITSIZE to -1 for variable size and properly
3825 in case of array of BLKmode.
3826 (expand_expr_unaligned): New function.
3827 (do_compare_and_jump): Call it.
3829 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
3830 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
3831 does not include 'o'.
3833 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
3834 both SET_DEST and SET_SRC reference a virtual register.
3835 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
3837 * integrate.c (expand_inline_function): Handle case of setting
3838 virtual stack vars register (from built in setjmp); when parameter
3839 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
3840 (subst_constant): Add new parm, MEMONLY.
3841 (expand_inline_function, integrate_parm_decls): Pass new parm.
3842 (integrate_decl_tree): Likewise.
3843 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
3844 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
3845 (copy_rtx_and_substitute, case SET): Add explicit calls to
3846 copy_rtx_and_substitute for both sides.
3848 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
3850 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
3851 within INDEX_TYPE, instead of before.
3852 (fixup_gotos): Use f->target_rtl, not the next insn,
3853 since latter may be from a later fixup.
3854 (expand_value_return): Correctly convert VAL when promoting function
3855 return; support RETURN_REG being a PARALLEL.
3856 (expand_return): When checking for result in regs and having
3857 cleanup, consider PARALLEL in DECL_RTL as being in regs.
3859 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
3861 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
3862 last_nominal_fname): Mark const.
3863 (struct include_hash: name, nshort, control_macro): Mark
3865 (struct macrodef: symnam): Mark const.
3866 (struct if_stack: fname): Mark const.
3867 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
3868 (IStable): New character-syntax array which encompasses all
3869 the old is_foo arrays.
3870 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
3871 is_space): New macros for interrogating IStable.
3872 (check_macro_name): Kill last argument. All callers changed.
3874 * cppinit.c (initialize_char_syntax): Delete.
3875 (is_idchar, is_idstart, is_hor_space, is_space,
3876 trigraph_table): Delete.
3877 (IStable): New. Initialize with clever macros to avoid
3878 information duplication.
3879 (builtin_array): Table of builtins to get rid of explicit list
3880 in initialize_builtins.
3881 (initialize_builtins): Use builtins_array.
3882 (cpp_start_read): Call init_IStable, and set IStable['$'] if
3883 opts->dollars_in_ident.
3885 * cppexp.c: Change all refs to is_xyz[] arrays to use new
3887 (cpp_parse_expr): Avoid 'format string is not constant'
3888 warning. Use ISGRAPH to identify printable chars.
3889 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
3891 (read_and_prescan): Map trigraphs to chars with open-coded
3892 if-else-if-... sequence, not a lookup table.
3893 * cpphash.c: Change all refs to is_xyz[] arrays to use new
3895 * cpplib.c: Change all refs to is_xyz[] arrays to use new
3896 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
3897 (check_macro_name): Remove ability to report an invalid
3898 assertion name, which is never used.
3899 (do_line): Constify a couple of char *'s.
3900 * cppmain.c (main): Call cpp_cleanup before returning.
3902 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
3904 * ggc.h (struct ggc_statistics): New type.
3905 (ggc_get_size): New function.
3906 (ggc_print_statistics): Likewise.
3907 * ggc-common.c (ggc_stats): New variable.
3908 (ggc_mark_rtx_children): Keep statistics.
3909 (ggc_mark_tree_children): Likewise.
3910 (ggc_print_statistics): New function.
3911 * ggc-page.c (struct globals): Add bytes_mapped field.
3912 (alloc_anon): Update it.
3913 (release_pages): Likewise.
3914 (ggc_get_size): New function.
3915 (ggc_page_print_statistics): New function.
3916 * ggc-simple.c (ggc_get_size): New function.
3918 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
3920 * flow.c (propagate_block): When the last reference to a label
3921 before an ADDR_VEC is deleted because the reference is a dead
3922 store, delete the ADDR_VEC.
3924 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
3926 * resource.c (find_free_register): Don't use the frame pointer
3927 if frame_pointer_needed.
3929 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
3931 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
3932 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
3934 * config/i960/i960.c (i960_va_start): New locals base, num.
3935 Use INDIRECT_REF instead of ARRAY_REF on valist.
3936 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
3938 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
3940 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
3942 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
3944 * tree.def (PLACEHOLDER_EXPR): Update comments.
3946 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3948 * c-common.c (check_format_info): Avoid non-literal format string
3949 warnings when `first_arg_num' is zero.
3951 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
3953 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
3955 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
3957 * arm.md (casesi_insn): Add a clobber of the condition code
3960 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
3962 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
3963 used by both cc1 and cc1plus.
3965 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
3967 * config/arm/arm.c: Initialise arm_structure_size_boundary to
3968 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
3969 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
3970 to the value 32 if it has not already been defined.
3971 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
3972 Override definition in arm.h with a value of 8.
3974 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
3976 * c-pragma.c (push_alignment): Don't check the return value
3979 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
3981 * sparc.h (ADJUST_COST): Fix thinko.
3983 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
3985 * cccp.c (rescan): Fixed obp pointer handling around call to
3986 check_expand subroutine.
3988 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
3990 * gcse.c (delete_null_pointer_checks): Only record non-null info
3991 for pseudos when examining stores.
3993 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
3994 splitters for these patterns. Use "#" for output templates.
3995 (addsi3_carryin_shift): New pattern.
3997 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
3999 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
4000 of the function return register into a plain REG until
4001 after function inlining is done.
4003 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
4005 * jump.c (jump_optimize_1): If we did cross-jumping, and
4006 the data will matter, rebuild the CFG.
4007 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
4008 not optimizing. Don't run shorten_branches.
4009 * toplev.c (rest_of_compilation): Run shorten_branches after
4012 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
4014 * rtl.h (note_stores): Add additional paramter.
4015 * rtlanal.c (reg_set_p_1): Take additional paramter.
4016 (reg_set_last_1): Likewise.
4017 (reg_set_p): Adjust call to note_stores.
4018 (reg_set_last): Likewise.
4019 (note_stores): Pass data parameter to worker function.
4020 * alias.c (record_set): Take additional parameter.
4021 (init_alias_analysis): Pass it.
4022 * caller-save.c (mark_set_regs): Take additional parameter.
4023 (save_call_clobbered_regs): Pass NULL to note_stores.
4024 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
4026 (record_dead_and_set_regs_1): Likewise.
4027 (reg_dead_at_p_1): Likewise.
4028 (combine_instructions): Adjust calls to note_stores.
4029 (try_combine): Likewise.
4030 (record_dead_insn): Remove.
4031 (record_dead_and_set_regs): Adjust calls to note_stores.
4032 (reg_dead_at_p): Likewise.
4033 * cse.c (invalidate_skipped_set): Take additional parameter.
4034 (cse_check_loop_start): Likewise.
4035 (cse_check_loop_start_value): Remove.
4036 (cse_set_around_loop): Adjust calls to note_stores.
4037 * flow.c (notice_stack_pointer_modification): Take additional
4038 parameter. Remove duplicate declaration.
4039 (record_volatile_insns): Adjust calls to note_stores.
4040 * gcse.c (record_set_info): Take additional parameter.
4041 (record_last_set_info): Likewise.
4042 (invalidate_nonnull_info): Likewise.
4043 (record_set_insn): Remove.
4044 (compute_sets): Adjust calls to note_stores.
4045 (last_set_insn): Remove.
4046 (compute_hash_table): Adjust calls to note_stores.
4047 (insert_insn_end_bb): Likewise.
4048 (delete_null_pointer_checks): Likewise.
4049 * global.c (mark_reg_store): Take additional parameter.
4050 (mark_reg_clobber): Likewise.
4051 (reg_becomes_live): Likewise.
4052 (global_conflicts): Adjust calls to note_stores.
4053 (build_insn_chain): Likewise.
4054 * integrate.c (note_modified_parmregs): Take additional parameter.
4055 (mark_stores): Likewise. Make it static.
4056 (save_for_inline_nocopy): Adjust calls to note_stores.
4057 (try_constants): Likewise.
4058 * integrate.h (mark_stores): Remove declaration.
4059 * jump.c (mark_modified_reg): Take additional parameter.
4060 (thread_jumps): Adjust calls to note_stores.
4061 * local-alloc.c (validate_equiv_mem_from_store): Take additional
4063 (no_equiv): Likewise.
4064 (reg_is_set): Likewise.
4065 (validate_equiv_mem): Adjust calls to note_stores.
4066 (update_equiv_regs): Likewise.
4067 (block_alloc): Likewise.
4068 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
4069 (note_addr_stored): Take additional parameter.
4070 (note_set_pseudo_multiple_uses): Likewise.
4071 (record_initial): Likewise.
4072 (prescan_loop): Adjust calls to note_stores.
4073 (strength_reduce): Likewise.
4074 (check_dbra_loop): Likewise.
4075 * regmove.c (flags_set_1): Take additional paramter.
4076 (mark_flags_life_zones): Adjust calls to note_stores.
4077 * reload1.c (mark_not_eliminable): Take additional parameter.
4078 (forget_old_reloads_1): Likewise.
4079 (reload_cse_invalidate_rtx): Likewise.
4080 (reload_cse_check_clobber): Likewise.
4081 (reload_combine_note_store): Likewise.
4082 (move2add_note_store): Likewise.
4083 (reload): Adjust calls to note_stores.
4084 (reload_as_needed): Likewise.
4085 (emit_reload_insns): Likewise.
4086 (reload_cse_regs_1): Likewise.
4087 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
4088 (reload_combine): Adjust calls to note_stores.
4089 * resource.c (update_live_status): Take additional paramter.
4090 (mark_target_live_regs): Adjust calls to note_stores.
4091 * stupid.c (find_clobbered_regs): Take additional parameter.
4092 (stupid_life_analysis): Adjust calls to note_stores.
4094 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
4096 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
4099 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
4102 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
4103 of the variable arm_structure_size_boundary.
4105 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
4107 * alias.c (init_alias_analysis): Allocate reg_known_value and
4108 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
4110 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
4111 * cse.c (cse_main): Call end_alias_analysis.
4112 * haifa-sched.c (schedule_insns): Likewise.
4113 * local-alloc. (update_equiv_regs): Likewise.
4114 * reload1.c (reload_cse_regs): Likewise.
4116 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4118 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
4119 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
4120 mapping from MASK_FPU.
4122 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
4124 * sparc.md (call): Don't bound structure return size to 0xfff.
4126 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
4128 * resource.c (mark_target_live_regs): Check that the target
4129 insn wasn't created after compute_bb_for_insn.
4131 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
4133 * ggc-page.c (poison_pages): Don't be overzealous.
4135 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
4137 * alias.c: Update comments for ADDRESS.
4138 (nonlocal_reference_p): Look inside the ADDRESS to determine if
4139 it is a local memory reference.
4141 * c-typeck.c (build_function_call): Check that the built-in
4142 function is of class BUILT_IN_NORMAL before trying to recongize
4144 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
4145 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
4147 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
4149 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
4151 (pre_gcse): Likewise.
4152 (hoist_expr_reaches_here_p): Likewise.
4153 (hoist_code): Likewise.
4154 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
4156 (pre_expr_reaches_here_p_work): ... here.
4157 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
4159 (expr_reaches_here_p_work): ... here.
4161 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
4163 * resource.c (find_basic_block): Delete.
4164 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
4165 (init_resource_info): Call compute_bb_for_insn.
4167 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
4169 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
4170 with already adjacent blocks, but no fallthru.
4171 (merge_blocks_move_successor_nojumps): Simplify.
4172 (debug_flow_info): New.
4174 * toplev.c (rest_of_compilation): Open jump1 dump file before
4175 jump and close after, as opposed to just using dump_rtl.
4177 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4179 * reload.h (earlyclobber_operand_p): Declare.
4180 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
4181 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
4182 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
4183 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
4185 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
4186 Richard Henderson <rth@cygnus.com>
4188 * emit-rtl.c (emit_block_insn_before): New.
4189 (emit_block_insn_after): New.
4190 * basic-block.h: Declare them.
4192 * bitmap.h: Protect from multiple inclusion.
4194 * recog.c (scratch_operand): Handle VOIDmode correctly.
4196 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
4198 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
4199 * function.c (assign_parms): Likewise.
4200 * global.c (global_conflicts): Clarify STACK_REGS commentary.
4202 * reg-stack.c (max_uid): Remove.
4203 (blocks, block_begin, block_end, block_drops_in): Remove.
4204 (block_stack_in, block_out_reg_set, block_number): Remove.
4205 (struct block_info_def, BLOCK_INFO): New.
4206 (enum emit_where): New.
4207 (current_block): New.
4208 (BLOCK_NUM): Remove.
4209 (mark_regs_pat, record_label_references): Remove.
4210 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
4212 (goto_block_pat, print_blocks, dump_stack_info): Remove.
4213 (reg_to_stack): Simplified test for existance of fp code. Use
4214 flow.c code. Call shorten_branches after cross-jump opt.
4215 (check_asm_stack_operands): Renamed from record_asm_reg_life.
4216 Return false if the asm doesn't use stack regs. Don't do life
4217 analysis on the asm.
4218 (emit_pop_insn): Replace function pointer arg `when' with
4219 enum `where'. Update all callers.
4220 (change_stack): Likewise. Update basic block end.
4221 (emit_swap_insn): Use current_block->head to limit reverse search
4222 for start of block. Use emit_block_insn_after.
4223 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
4224 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
4225 structure assignment instead of bcopy.
4227 (convert_regs_entry, convert_regs_exit): New.
4228 (convert_regs_1, convert_regs_2): Split out from convert_regs.
4229 Work on basic blocks and the CFG.
4230 (convert_regs): Use them.
4232 * i386.c (output_fix_trunc): Remove code for DImode input operand
4233 not at top-of-stack.
4234 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
4236 (fix_truncdi_1): Allow any mode scratch.
4238 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
4240 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
4241 * linux.h, netbsd.h, vms.h: Not here.
4243 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
4245 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
4246 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
4247 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
4248 CONDITIONAL_REGISTER_USEAGE): Use them.
4249 * config/mips/mips.c (mips_move_1word,mips_move_2words,
4250 gen_conditional_branch,override_options) : Use them.
4251 * config/mips/mips.md : Use them.
4253 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
4255 * i386.md (zero_extendqihi2): Use SImode register name with andl.
4257 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
4259 * integrate.c (function_cannot_inline_p): Don't allow inlining
4262 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4264 * c-parse.in (cast_expr): Constify.
4266 * cccp.c (special_symbol): Likewise.
4268 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
4270 * dwarf2out.c (base_type_die): Likewise.
4272 * global.c (allocno_compare): Likewise.
4274 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
4276 * regclass.c (fix_register): Likewise.
4278 * rtl.h (fix_register): Likewise.
4280 * stupid.c (stupid_reg_compare): Likewise.
4282 * toplev.c (decode_f_option): Likewise.
4284 * tree.c (build_complex_type): Likewise.
4286 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
4288 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
4290 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4292 * reload.c (find_reloads): Compute mode and nregs fields of all
4294 * reload1.c (calculate_needs_all_insns): Simplify a bit.
4295 (calculate_needs): Use precomputed mode/nregs values.
4296 (allocate_reload_reg): Likewise.
4298 (failed_reload, set_reload_reg): ... new functions.
4299 (choose_reload_regs_init): New function, mostly broken out from...
4300 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
4301 Also lose one #if 0 block.
4303 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
4305 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
4308 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
4310 * tree.h (BLOCK_TYPE_TAGS): Remove.
4311 (BLOCK_END_NOTE): Likewise.
4312 (BLOCK_LIVE_RANGE_FLAG): Likewise.
4313 (BLOCK_LIVE_RANGE_START): Likewise.
4314 (BLOCK_LIVE_RANGE_END): Likewise.
4315 (tree_block): Remove live_range_flag, live_range_var_flag, and
4316 type_tags. Remove end_note, live_range_start, and live_range_end.
4317 (remember_end_note): Remove prototype.
4318 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
4319 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
4321 * ggc-common.c (ggc_mark_tree_children): Don't mark
4322 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
4323 * integrate.c (adjust_copied_decl_tree): Remove.
4324 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
4325 * stmt.c (last_block_end_note): Remove.
4326 (init_stmt): Don't add a GC root for it.
4327 (expand_fixup): Don't set it.
4328 (remember_end_note): Remove.
4329 (expand_end_bindings): Don't set last_block_end_note.
4331 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4333 * reload1.c (reload_reg_free_for_value_p): Show
4334 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
4337 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
4339 * expmed.c (extract_bit_field): Allow for the case of non-integer
4340 objects that are smaller than a word (like SFmode on a 64-bit
4343 * loop.c (basic_induction_var): A non-integer variable which is
4344 being set by a paradoxical subreg is probably not a biv.
4346 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4348 * prefix.c (translate_name) Check for empty prefix string.
4350 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
4352 * Makefile.in (CPP_CROSS_NAME): New variable.
4353 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
4355 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
4356 names of the files to be uninstalled.
4358 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
4360 * collect2.c (IS_DIR_SEPARATOR): Define.
4361 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
4363 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
4366 * haifa-sched.c (add_dependence): Update the true dependency
4367 cache the first time we add a true dependence to the LOG_LINKS chain.
4369 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
4371 * fold-const.c (fold): Fix comment.
4373 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4375 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
4376 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
4377 dbxout_start_new_source_file, dbxout_source_file,
4378 dbxout_source_line, dbxout_finish, dbxout_type_fields,
4379 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
4381 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
4382 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
4383 (dbxout_block): Initialize variable `blocknum'.
4385 * dbxout.h (dbxout_init, dbxout_finish,
4386 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
4387 dbxout_args, dbxout_source_line): Constify a char*.
4389 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
4390 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
4391 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
4392 low_pc_attribute, high_pc_attribute, body_begin_attribute,
4393 body_end_attribute, comp_dir_attribute, sf_names_attribute,
4394 src_info_attribute, mac_info_attribute, producer_attribute,
4395 lookup_filename, generate_macinfo_entry, fundamental_type_code,
4396 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
4397 dwarfout_undef): Constify a char*.
4398 (add_incomplete_type, retry_incomplete_types): Add prototypes.
4400 * dwarfout.h (dwarfout_define, dwarfout_undef,
4401 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
4403 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
4405 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
4406 (MULTILIB_ISA_DEFAULT): New.
4407 (MULTILIB_DEFAULTS): Use it.
4408 * config/mips/mips.c (): Remove the now unnecessary definition
4409 of MIPS_ISA_DEFAULT.
4410 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
4411 unnecessary definition.
4413 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
4415 * arm.md (pic_load_addr): Add constraints to operand 1.
4417 1999-10-25 Bruce Korb <autogen@linuxbox.com>
4419 * fixinc/genfixes: Provide a means for specifying -D options to
4422 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
4424 * arm.c (arm_override_options): Correct initialization of
4425 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
4426 arm_is_strong, and arm_is_6_or_7.
4428 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
4429 (note_set_pseudo_multiple_uses): New function.
4430 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
4431 if a pseudo set in the loop exit is used elsewhere.
4433 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
4435 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
4437 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
4439 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
4440 a single load-address pattern.
4442 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
4444 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
4445 depending on whether or not line-number notes are present.
4447 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4449 * cccp.c (progname, file_buf, default_include, include_file,
4450 macrodef, definition, hashval, wchar_type, user_label_prefix,
4451 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
4452 expand_to_temp_buffer, is_system_include, base_name,
4453 absolute_filename, read_name_map, open_include_file,
4454 record_control_macro, check_precompiled, check_preconditions,
4455 pcfinclude, pass_thru_directive, create_definition,
4456 check_macro_name, comp_def_part, collect_expansion,
4457 check_assertion, read_token_list, assertion_install,
4458 assertion_lookup, eval_if_expression, conditional_skip,
4459 validate_else, skip_quoted_string, quote_string, macarg1,
4460 error_from_errno, install, lookup, hashf, dump_defn_1,
4461 perror_with_name, pfatal_with_name, main, trigraph_pcp,
4462 check_white_space, rescan, handle_directive, monthnames,
4463 special_symbol, do_include, remap_include_file, write_output,
4464 arglist, do_assert, do_unassert, do_line, do_error, do_once,
4465 do_ident, do_sccs, do_xifdef, skip_if_group,
4466 output_line_directive, macroexpand, macarg, change_newlines,
4467 initialize_builtins, make_definition): Constify a char*.
4469 * pcp.h (stringdef): Likewise.
4471 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
4473 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
4476 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
4477 Richard Henderson <rth@cygnus.com>
4479 * alias.c: Include ggc.h.
4480 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
4481 (record_set): Verify enough room in reg_base_value.
4482 (init_alias_analysis): Allocate reg_base_value with xcalloc.
4483 Register it as a GC root.
4484 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
4485 * Makefile.in (alias.o): Depend on ggc.h.
4487 * unroll.c (unroll_loop): Verify the insn before a barrier
4488 is a JUMP_INSN before checking JUMP_LABEL.
4490 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4492 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
4493 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
4494 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
4495 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
4496 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
4497 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
4499 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4501 * output.h (ctors_section, dtors_section, bss_section): Prototype.
4503 * alpha/alpha-interix.h (text_section): Delete prototype.
4504 * alpha/elf.h (text_section): Likewise.
4505 * arm/linux-elf.h (text_section): Likewise.
4506 * arm/linux-telf.h (text_section): Likewise.
4507 * c4x/c4x.h (text_section): Likewise.
4508 * dsp16xx/dsp16xx.h (bss_section): Likewise.
4509 * elfos.h (text_section): Likewise.
4510 * i386/aix386ng.h (text_section): Likewise.
4511 * i386/i386-interix.h (text_section): Likewise.
4512 * i386/sco5.h (text_section): Likewise.
4513 * i386/svr3gas.h (text_section): Likewise.
4514 * nextstep.h (text_section): Likewise.
4515 * psos.h (text_section): Likewise.
4516 * ptx4.h (text_section): Likewise.
4517 * svr3.h (text_section): Likewise.
4518 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
4520 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4522 * final.c (peephole): Delete prototype.
4524 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
4525 (pre_insert_copies): Remove unused variable `bb'.
4527 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
4530 * output.h (peephole): Add prototype.
4532 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
4534 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
4537 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
4539 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
4540 for inlined declarations.
4542 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
4544 * arm.c (logical_binary_operator): New fucntion.
4545 * arm.h (logical_binary_operator): Declare it.
4546 (PREDICATE_CODES): Handle logical_binary_operator.
4547 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
4548 output constraints. Add appropriate splitters.
4549 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
4550 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
4551 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
4553 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4555 * genoutput.c (struct operand_data): New elt eliminable.
4556 (output_operand_data): Write it.
4557 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
4558 (compare_operands): Take it into account.
4559 * recog.h (struct insn_operand_data): New elt eliminable.
4560 * reload1.c (check_eliminable_occurrences, elimination_effects): New
4562 (old_asm_operands_vec, new_asm_operands_vec): Delete.
4563 (eliminate_regs): Move code that detects changes to elimination
4564 target regs into new function elimination_effects.
4565 Delete one #if 0 block.
4566 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
4567 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
4568 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
4569 Only call eliminate_regs for real operands of the insn, not for parts
4570 of its structure or parts matched by things like match_operator.
4571 Use elimination_effects and check_eliminable_occurrences. Use
4572 copy_insn to duplicate the pattern when not in the final pass.
4574 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
4576 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
4579 1999-10-22 Bruce Korb <autogen@linuxbox.com>
4581 * fixinc/README: document the "mach" machine matching test
4582 * fixinc/fixfixes.c: Implement the #else/#endif label fix
4583 * fixinc/fixtests.c: Implement the #else/#endif label test
4584 * fixinc/inclhack.def: utilize these tests and fixes
4585 * fixinc/inclhack.sh: regen
4586 * fixinc/fixincl.x: regen
4587 * fixinc/fixincl.sh: regen
4589 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
4591 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
4594 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
4596 * gcc.1: Document exit codes.
4598 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4600 * calls.c: Include tm_p.h later, so everything we need is defined.
4602 * function.c: Likewise.
4604 * except.c: Include tm_p.h.
4606 * sparc.c: Likewise.
4607 (dwarf2out_cfi_label): Don't prototype.
4608 (check_return_regs, epilogue_renumber,
4609 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
4610 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
4611 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
4612 ultra_schedule_insn): Add static prototype.
4613 (data_segment_operand, text_segment_operand): Call itself with the
4614 proper number of arguments.
4615 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
4617 * sparc.h: Move all declarations to sparc-protos.h.
4618 (SELECT_RTX_SECTION): Pass a missing MODE argument to
4621 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
4623 * config/svr4.h (text_section, ctors_section, dtors_section): Add
4625 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
4626 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
4627 ASM_OUTPUT_ASCII): Constify a char*.
4629 * sparc-protos.h: New file for sparc prototypes.
4631 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4633 * function.c (record_insns, contains): Always declare and define.
4634 (record_insns): Mark with ATTRIBUTE_UNUSED.
4636 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
4638 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
4639 to .section when outputting a .bss section to deal with multiple
4640 .bss input sections (as happens with -fdata-sections)
4641 Also output %progbits, not @progbits so the assembler doesn't treat as
4643 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
4645 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
4646 thumb parts even when building with non-thumb CPUs, by forcing
4649 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
4651 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
4652 (movdf_const_intreg_sp64): Similarly.
4654 * local-alloc.c (update_equiv_regs): Check the correct insn
4655 for pre-existing REG_EQUIV notes.
4657 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
4659 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
4660 block reached by a branch if we're not going to actually process
4663 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
4665 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
4666 a local extern function declaration.
4668 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
4670 * i386.c (ix86_expand_prologue): Properly wrap USE around
4671 reg for CALL_INSN_FUNCTION_USAGE.
4673 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
4675 * config/mips/mips.md (movdf_internal1a): Allow floating-point
4676 move between GP_REGs.
4678 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
4680 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
4681 the mode size when finding out if an offset is legal.
4683 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
4685 * basic-block.h (PROP_*): Move constants from ...
4687 (compute_bb_for_insn): Free the array before reallocating.
4688 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
4689 (allocate_reg_life_data): Reset all reg variables collected by
4691 (get_block_head_tail): Don't convert from bb to block.
4692 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
4693 (find_insn_reg_weight): Take block not bb.
4694 (schedule_block): Don't set block num for moved insns.
4695 (schedule_region): Don't update_life_info or find_insn_reg_weight.
4696 (schedule_insns): Do it here instead.
4697 * combine.c (combine_instructions): Invoke compute_bb_for_insn
4698 before update_life_info.
4699 * recog.c (split_all_insns, peephole2_optimize): Update for
4700 new arg to update_life_info.
4701 * rtlanal.c (remove_note): Cope with NULL note.
4702 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
4705 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
4707 * jump.c (jump_optimize_1): More accurately detect casesi insns.
4709 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
4710 block records so that merge_blocks_nomove will clean up correctly.
4711 (split_edge): Handle casesi insns.
4713 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
4715 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
4717 * pa.md (call, call_value): Do not emit a blockage after restoring
4720 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
4722 * c-typeck.c (c_expand_asm_operands): Fix typo.
4724 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4726 * arm.c (fpu_rhs_operand): Verify modes.
4727 (fpu_add_operand): Likewise.
4728 (di_operand): Likewise.
4729 (soft_df_operand): Likewise.
4731 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
4733 * arm.c (arm_return_in_memory): APCS rules state that the elements
4734 of a structure returned in a register must be 'integer-like'.
4736 1999-10-19 Bruce Korb <autogen@linuxbox.com>
4738 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
4739 in the source tree when the generated targets are out of date
4740 * fixinc/genfixes: Alter it to run individual fixes for make.
4741 * fixinc/README: rewrite
4742 * fixinc/inclhack.def: moved initial comments to README
4744 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
4746 * toplev.c (main): Do not generate an error message if an
4747 unrecognised command line switch is recognisable by another
4748 language. If extra_warnings are enabled, then generate a
4749 warning message instead.
4751 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
4753 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
4754 (insert_pack_attributes): Delete prototype.
4756 * c-pragma.c (default_alignment): New static variable.
4757 (push_alignment): Initialize to current effective alignment.
4758 (pop_alignment): Use to set new alignment.
4759 (insert_pack_attributes): Delete function.
4760 (handle_pragma_token): Set default_alignment as well each time
4761 a #pragma pack(<n>) is encountered.
4763 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
4765 * reg-stack.c (stack_result): Aggregates are not returned in
4768 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
4770 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
4772 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
4774 * basic-block.h (set_block_num): Declare.
4775 * flow.c (update_life_info): Don't call compute_bb_for_insn
4776 or free_basic_block_vars.
4777 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
4778 (insn_orig_block): Remove.
4779 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
4780 (schedule_block): Keep BLOCK_NUM up-to-date.
4781 (schedule_insns): Use compute_bb_for_insn.
4782 * recog.c (split_all_insns): Likewise.
4783 (peephole2_optimize): Likewise.
4785 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
4787 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
4788 if the pic register is used.
4790 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4792 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
4793 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
4794 if that tests TREE_PERMANENT.
4796 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
4798 * cse.c (invalidate_for_call): Do not remove memory references from
4799 the table here. It's handled elsewhere.
4801 * haifa-sched.c (add_dependence): Protect references to the
4802 true dependency cache with #ifdef INSN_SCHEDULING.
4803 (remove_dependence): Similarly.
4805 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
4806 to the cfg code that this is a return instruction.
4807 * mn10300.md (return_internal): Similarly.
4809 * combine.c (get_last_value): If the last set of a register
4810 is after subst_low_cuid, then we can not use it to determine
4811 the register's last value.
4813 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4815 * Makefile.in: Back out previous change.
4817 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
4819 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
4821 * haifa-sched.c (add_dependence): Only check/update the cache
4823 (remove_dependence): Likewise.
4824 (schedule_insns): Only create the true_dependency_cache if the
4825 average number of instructions in a basic block is very large.
4827 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
4829 * Makefile.in (ggc-common.o): Depend on genrtl.h.
4830 (ggc-simple.o): Likewise.
4831 (ggc-page.o): Likewise.
4833 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
4835 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
4836 Prototype for exported functions.
4837 (pre_lcm, pre_rev_lcm): Remove prototypes.
4838 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
4839 (compute_available): Move to lcm.c, and change parameter order.
4840 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
4841 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
4842 (gcse_main): No longer call compute_preds_succs. Rebuild the
4843 set table after reach pre pass.
4844 (pre_insert_map, pre_delete_map, edge_list): New.
4845 (alloc_pre_mem): Allocate edge vectors.
4846 (free_pre_mem): Delete edge vectors.
4847 (compute_pre_data): Call new edge based lcm routines.
4848 (process_insert_insn): New function.
4849 (insert_insn_end_bb): Use it.
4850 (pre_edge_insert): New function.
4851 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
4853 (pre_insert_copies): Revamp using new edge based lcm outputs.
4854 (pre_delete): Likewise.
4855 (one_pre_gcse_pass): Insert & remove fake edges to the exit
4857 (compute_code_hoist_vbeinout): New new edge based routines.
4858 * lcm.c: Remove all the old LCM functions. Replace with new ones
4859 that work with the new cfg datastructures and work with edges
4862 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
4864 * reload.h (struct reload): Add new fields "mode" and "nregs".
4865 * reload1.c: Change all occurrences of reload_mode and reload_nregs
4866 to reference the "mode" and "nregs" field within struct reload.
4868 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
4870 * haifa-sched.c (true_dependency_cache): New.
4871 (add_dependence): Use the true dependency cache to avoid expensive
4872 walks down the LOG_LINKS dependency list. Add entries to the
4874 (remove_dependence): Remove entries from the true dependency cache
4876 (schedule_insns): Allocate and initialize and free the true
4879 * haifa-sched.c (schedule_insns): Do not remove inter-block
4880 dependencies anymore.
4882 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
4884 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
4885 * i386/t-winnt: Likewise.
4887 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
4889 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
4891 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
4893 * Makefile.in (LANGUAGES): Omit "proto".
4894 (clean): Remove stale comment about removing unprotoize.c.
4896 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4898 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
4899 using arithmetic on void pointers.
4901 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
4903 * haifa-sched.c (compute_block_forward_dependencies): Only check
4904 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
4906 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
4908 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
4909 (expr_equiv_p): Reject memories with different alias sets.
4911 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
4913 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
4914 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
4915 (f_options): Add "bounded-pointers" and "bounds-check" entries.
4916 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
4917 (lang_init): Set default for flag_bounds_check if still "unspecified".
4919 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4921 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
4923 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4925 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
4928 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4930 * config/c4x/c4x.md (*db_noclobber,
4931 *decrement_and_branch_until_zero_noclobber): New patterns and
4932 associated splitters.
4934 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4936 * config/c4x/c4x.md (parallel instruction patterns): Rework
4937 constraints to keep reload happy.
4939 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4941 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
4942 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
4943 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
4944 Add new patterns and associated post-reload splitters.
4946 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4948 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
4950 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4952 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
4954 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
4956 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4958 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
4961 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
4963 * pa.c (move_operand): Rely on memory_address_p to determine the
4964 validity of non-indexed memory addresses.
4965 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
4966 operand in DFmode and SFmode when generating PA2.0 code.
4968 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
4970 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
4972 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
4974 * mips.c (function_prologue): Fix argument types.
4975 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
4976 (casesi_internal): Write to the scratch register.
4978 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
4980 * cppexp.c (cpp_parse_escape): Make static. Change second arg
4982 (parse_charconst): Delete unnecessary cast when calling
4984 (cpplib.h): Kill prototype of cpp_parse_escape.
4986 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
4988 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
4989 * unroll.c (unroll_loop): Cast return value of alloca.
4990 * i370/i370.c: Include function.h and toplev.h.
4991 (i370_label_scan): Remove c++ commented abort.
4992 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
4993 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
4994 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
4995 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
4997 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
4999 * config/t-freebsd: Do not override USER_H.
5000 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
5002 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
5003 Mumit Khan <khan@xraylith.wisc.edu>
5005 * c-parse.in (component_decl): Support anonymous struct/union.
5007 * c-parse.y: Regenerate.
5008 * c-parse.c: Likewise.
5009 * objc/objc-parse.y: Likewise.
5010 * objc/objc-parse.c: Likewise.
5011 * c-decl.c (finish_struct): Don't sort the fields.
5012 (field_decl_cmp): Delete unused function.
5014 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
5016 * sparc.md (movsf_const_intreg): Revert last constraint change.
5017 (movdf_const_intreg_sp32): Likewise.
5019 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
5021 * cse.c: Include hashtab.h instead of splay-tree.h
5022 (struct cse_reg_info): No longer use variant union. Add new
5023 field "regno". All references changed to avoid union.
5024 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
5025 (free_cse_reg_info): Remove.
5026 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
5027 (get_cse_reg_info): Revamp to use expandable hash tables instead
5028 of splay trees. Initialize new fields in cse_reg_info structure.
5029 (new_basic_block): Similarly.
5031 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
5033 * genrecog.c (message_with_line): Prototype.
5034 (validate_pattern): Pass along the set for the dest, not a flag.
5035 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
5036 Check for PC/CC0 as sources.
5037 (nodes_identical): Check for children position match before
5038 allowing the combination.
5040 * rtl.c (read_rtx): Track line number across \\\n.
5042 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
5044 * mips.h (SPECIAL_MODE_PREDICATES): New.
5045 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
5046 (movdi+1, movsi+1): Add output reload constraint.
5047 (casesi_internal): Likewise. Fix commentary.
5048 (return_internal): Use pmode_register_operand.
5050 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
5052 * 1750a.md (movstrqi): Add missing output reload constraint.
5053 (call_value): Likewise.
5054 * a29k.md (cpxxx patterns): Add missing match_operator mode.
5055 (jmpfdec): Add missing inout reload constraint.
5056 * elxsi.md (addsi patterns): Add missing output reload constraint.
5057 (move from sp): Use @ alternates.
5058 (call_value): No constraint on output.
5059 * fr30.md (movsi_pop): Add missing output reload constraint.
5060 (movsf_constant_store): Likewise.
5061 (splits): Remove constraints.
5062 (subsi3): Add missing mode.
5063 * i370.md (cmpstrsi+1): Add missing output reload constraint.
5064 (call_value): Likewise.
5065 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
5066 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
5067 * m32r.md (movsicc_internal): Add output reload constraint.
5068 (movstrsi_internal): Add inout reload constraints.
5069 * m88k.h (reg_names): Don't declare.
5070 (SPECIAL_MODE_PREDICATES): New.
5071 * m88k.md (*): Use register_operand not reg_or_0_operand
5073 * mn10200.h (PREDICATE_CODES): New.
5074 * ns32k.md (ffs pattern): Add output reload constraint.
5075 * pdp11.md (sob pattern): Add inout reload constraint.
5076 * sh.md (splits): Remove constraints.
5077 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
5078 * v850.md (pattern_is_ok_for_epilogue): Likewise.
5079 * vax.md (jgequ pattern): Add inout reload constraint.
5081 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
5083 * configure.in (djgpp): Revert previous patch.
5084 * configure: Rebuit.
5085 * config/i386/djgpp.h: Revert previous patch.
5087 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
5089 * fixinc/inclhack.def: Restore patch lost during last merge of
5090 "no_bogosity" branch.
5091 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
5093 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
5095 * fixincludes: Add a HPUX 11 fix for inttypes.h.
5096 * fixinc/inclhack.def: Same.
5097 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
5099 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
5101 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
5102 as the base of a PLUS.
5104 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5106 * config/c4x/c4x.md: Define mode for remaining unspec operators.
5107 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
5109 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
5111 * pa.md (post_stw+1): Use pmode_register_operand.
5112 (dcacheflush, icacheflush): Likewise.
5114 * i386.md (movstricthi_1): Allow r/r.
5116 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
5118 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
5119 to (not (and (arg0) (arg1))). Similary for and.
5121 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
5122 fallthrough to associate code.
5123 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
5126 * combine.c (simplify_logical): Convert XOR to IOR if operands have
5127 no bits in common; remove XOR to ROTATE conversion.
5129 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5131 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
5133 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5135 * config/c4x/c4x.c (dst_operand): New.
5136 (PREDICATE_CODES): Update.
5137 * config/c4x/c4x.h (dst_operand): Declare it.
5138 * config/c4x/c4x.md: Define mode for each unspec usage.
5139 (move patterns): Use dst_operand predicate instead of src_operand.
5140 (movqi_update, movqf_update): Delete.
5142 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
5144 * recog.c (pmode_register_operand): New.
5145 * recog.h: Declare it.
5146 * genrecog.c (pred_codes): Likewise.
5147 (special_mode_pred_table): Likewise.
5148 (validate_pattern): Don't warn no mode for address_operand.
5150 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
5151 if the operand is not insn-like.
5153 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
5154 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
5156 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
5158 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
5160 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
5161 instead of general_operand in a SET_DEST. Use const_double_operand
5162 instead of an explicit test against CONST_DOUBLE.
5163 (movsf_const_lo): Add missing register mode.
5164 (goto_handler_and_restore): Add auxiliary test for Pmode.
5165 (flush): Adjust to use address_operand.
5166 (return_sf_no_fpu): Add missing output constraint.
5168 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
5170 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
5171 for call return value.
5172 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
5174 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
5176 * toplev.c (main): Only warn about options for other languages.
5177 * collect2.c (main): Pass -w to sub-gcc.
5179 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
5181 * flow.c (propagate_block): Add call-clobbered registers to
5184 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
5185 zapping mem_set_list.
5186 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
5187 (mark_set_1, mark_used_regs): Likewise.
5189 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
5191 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
5193 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5195 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
5196 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
5197 options. Also add a new item "C-only Warning Options" to the
5200 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
5202 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
5203 from multiple calls.
5205 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
5207 * i386.md (call value patterns): Move to the end of the file.
5208 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
5210 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
5212 * configure.in (djgpp configuration): Define extra_objects..
5213 * configure: Rebuilt.
5214 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
5215 (DTORS_SECTION_ASM_OP): Define.
5216 (INIT_SECTION_ASM_OP): Define.
5217 (FINI_SECTION_ASM_OP): Define.
5218 (DATA_SECTION_ASM_OP): Define.
5219 (TEXT_SECTION_ASM_OP): Define.
5220 (EH_FRAME_SECTION_ASM_OP): Define.
5221 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
5222 (STARTFILE_SPEC): Add crtbegin.o.
5223 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
5224 to here from LINK_COMMAND_SPEC.
5225 (DO_GLOBAL_CTORS_BODY): Define.
5226 (CRTSTUFF_USE_FINI_SECTION): Define
5227 (HAS_INIT_SECTION): Delete.
5229 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
5231 * Makefile.in (all.cross): Depend on xcpp$(exeext).
5233 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
5235 * pa.h (PREDICATE_CODES): New.
5237 * genrecog.c (validate_pattern): Condense the destination
5240 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
5242 * alpha.md (call-1): Supply missing mode for operator.
5243 (*): Add missing output reload constraints. Remove constraints
5246 * i386.h (SPECIAL_MODE_PREDICATES): New.
5247 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
5248 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
5249 (addsi_lea_3): Add missing mode for op 3.
5250 (prologue_set_got, prologue_get_pc): Add missing modes.
5251 (*) Add missing output reload constraints.
5253 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
5255 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
5256 check for member bit-size overflow and use var_size if it occurs.
5257 (layout_record): Use bitsize_int() to define the type size in bits.
5258 Likewise for computation and assignment to DECL_FIELD_BITPOS.
5259 (layout_decl): Likewise when assigning to DECL_SIZE.
5261 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
5263 * genrecog.c (validate_pattern): Typo last change. Verify
5264 that output operands have output reloads.
5266 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
5268 * genrecog.c (special_mode_pred_table): New.
5269 (NUM_SPECIAL_MODE_PREDS): New.
5270 (find_operand): New.
5271 (validate_pattern): New argument `insn'. Warn for assignment to
5272 any predicate accepting non-lvalues. Conditionaly warn for
5273 match_operand without a mode. Try much harder to match source
5274 and destination modes on a set.
5275 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
5277 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
5279 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
5281 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
5283 * combine.c (simplify_logical): Recognize xor pattern that encodes
5286 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5288 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
5291 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
5293 * ggc-page.c (MAP_FAILED): Provide default.
5295 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
5297 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
5298 * sparc.h (PREDICATE_CODES): Update.
5300 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
5302 * alpha.c (some_ni_operand): New.
5303 * alpha-protos.h: Declare it.
5304 * alpha.h (PREDICATE_CODES): Update.
5305 * alpha.md (sXaddq reload insns): Use some_ni_operand
5306 for SET_DEST instead of some_operand.
5308 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
5309 Jim Wilson <wilson@cygnus.com>
5311 * genrecog.c (maybe_both_true_2): Don't compare modes of
5313 (process_tree): Elide peephole2_insns. Invoke simplify_tests
5314 after find_afterward.
5315 (debug_decision_1): Dump next and afterward codes.
5317 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
5319 * rtl.c (dump_and_abort): Remove.
5320 (fatal_with_file_and_line): New.
5321 (fatal_expected_char): New.
5322 (read_rtx_lineno, read_rtx_filename): New.
5323 (read_skip_spaces): Track line number.
5324 (read_name): Use fatal_with_file_and_line.
5325 (read_rtx): Use fatal_expected_char. Track line number.
5326 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
5328 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
5329 if it isn't a CODE_LABEL.
5331 * genattr.c (main): Set read_rtx_filename.
5332 * genattrtab.c (main): Likewise.
5333 * gencodes.c (main): Likewise.
5334 * genconfig.c (main): Likewise.
5335 * genemit.c (main): Likewise.
5336 * genextract.c (main): Likewise.
5337 * genflags.c (main): Likewise.
5338 * genopinit.c (main): Likewise.
5339 * genoutput.c (main): Likewise.
5340 * genpeep.c (main): Likewise.
5342 * genrecog.c (decision_test.u.insn): Add `lineno'.
5343 (pattern_lineno, error_count): New variables.
5344 (message_with_line): New.
5345 (add_to_sequence): Break out checking code to ...
5346 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
5347 (merge_insn): Use message_with_line.
5348 (make_insn_sequence): Use validate_pattern. Record insn lineno.
5349 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
5351 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5353 * expr.c (store_constructor): Clear union if constructor is empty.
5355 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
5357 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
5358 Add !endian checks. Change %{...} to %(...).
5360 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
5362 * i386.md (*addsi3_cc): Renamed from addcsi3.
5363 (*addsi3_carry): Renamed from addxsi3.
5364 (*subsi3_cc): Renamed from subcsi3.
5365 (*subsi3_carry): Renamed from subxsi3.
5366 (*xorqi_cc_1): Renamed from xorcqi_1.
5367 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
5368 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
5370 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
5372 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
5373 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
5375 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
5377 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
5378 climb up the chain of insns.
5380 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
5382 * genrecog.c (write_subroutine): Careful for null trees.
5383 (process_tree): Don't elide empty functions.
5385 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
5387 * Makefile.in (genrtl.o): Depend on ggc.h.
5388 * configure.in (valloc): Probe for it.
5389 (with-gc): Use ggc-page if valloc present.
5390 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
5391 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
5392 (ggc_alloc_string): Moved from ggc-page.c.
5393 * ggc-none.c (ggc_alloc_obj): New.
5394 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
5395 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
5396 (struct globals): Likewise for dev_zero_fd.
5397 (init_ggc): Likewise for it's initialization.
5398 (ggc_allocated_p): Move careful dereference from ...
5399 (ggc_lookup_page_table): ... here. Delete.
5400 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
5401 (alloc_anon): Use valloc if no mmap.
5402 (release_pages): Use free if using valloc.
5403 (ggc_alloc_obj): Renamed from alloc_obj.
5404 (ggc_set_mark): Renamed from mark_obj.
5405 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
5406 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
5407 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
5408 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
5409 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
5410 (ggc_collect): Use fp printing instead of our own rounding.
5411 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
5412 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
5413 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
5414 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
5415 (struct ggc_string, struct ggc_any): Delete.
5416 (offsetof): Provide default definition.
5417 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
5419 (struct ggc_mem): New, from corpse of ggc_any.
5420 (struct ggc_status): Delete.
5421 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
5422 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
5423 (n_strings_collected, n_anys_collected): Delete.
5424 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
5425 (ggc_alloc_string, ggc_alloc): Delete.
5426 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
5427 (ggc_free_string, ggc_free_any): Delete.
5428 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
5429 (ggc_compare_addresses, ggc_mark_string): Delete.
5430 (ggc_mark_string_if_gcable, ggc_mark): Delete.
5431 (search_data): Delete.
5432 (struct globals): New.
5433 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
5434 (tree_insert, tree_lookup): New.
5435 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
5436 (clear_marks, sweep_objs): New.
5437 (ggc_collect): Gut. Use clear_marks, sweep_objs.
5438 (init_ggc): Set allocated_last_gc.
5439 (ggc_push_context): Gut. Use G.context.
5440 (ggc_pop_context): Likewise.
5441 (ggc_pop_context_1): New.
5442 (debug_ggc_tree): New.
5443 (debug_ggc_balance, tally_leaves): New.
5444 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
5445 (ggc_mark_string_if_gcable): Remove decl.
5446 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
5447 (ggc_mark_rtvec_children): New.
5448 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
5449 (ggc_mark_if_gcable): New decl.
5450 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
5451 (ggc_alloc_tree, ggc_alloc): Likewise.
5452 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
5453 (ggc_alloc_obj): New decl.
5454 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
5455 (ggc_alloc_tree, ggc_alloc): Likewise.
5456 (ggc_set_mark): New decl.
5457 * rtl.h (struct rtx_def): Remove gc_mark.
5458 (struct rtvec_def): Likewise.
5459 * tree.h (struct tree_common): Likewise.
5461 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
5463 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
5464 float_format and thread_file definitions.
5465 * configure: Rebuilt.
5467 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
5469 * extend.texi (Function Names): Document types of function names.
5471 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5473 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
5474 an earlyclobbered output conflict with RELOAD_INPUT reloads.
5476 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5478 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
5480 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5482 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
5484 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
5486 * collect2.c (main): Do prelimnary link on AIX if rflag.
5488 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5490 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
5491 __CTOR_LIST__ in opposite order, which is the correct order for sorted
5493 (__do_global_dtors): similarly for __DTOR_LIST__.
5495 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5496 Diego Novillo <dnovillo@cygnus.com>
5498 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
5501 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
5503 * fixincl/*: Merged "no_bogosity" branch
5504 * fixincl/fixlib.h: protect against doubly defining t_bool
5505 * fixincl/server.h: protect against doubly defining t_bool
5507 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
5509 * genoutput.c: Include toplev.h.
5511 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
5513 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
5515 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
5516 * configure: Regenerate.
5518 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
5520 * gcse.c (delete_null_pointer_checks): Returns void.
5522 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5524 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
5525 * emit-rtl.c (copy_insn_1): Likewise.
5527 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
5529 * config/mips/mips.c (mips_build_va_list): Correct
5530 TREE_CHAIN setting when hard-float.
5531 (mips_va_start): Use corrected setting.
5532 (mips_va_arg): Likewise. Also pass a tree to build of
5533 POSTINCREMENT_EXPR rather than a naked 'int'.
5535 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
5537 * ggc.h (ggc_push_context): Fix comment.
5538 (ggc_pop_context): Likewise.
5539 (mark_string_if_gcable): Likewise.
5540 * ggc-common.c (ggc_mark_rtx_children): Use
5541 ggc_mark_string_if_gcable.
5542 * ggc-page.c (ggc_lookup_page_table): New function.
5543 (ggc_allocated_p): Likewise.
5544 (mark_obj): Fix formatting.
5545 (ggc_mark_string_if_gcable): New function.
5546 * ggc-simple.c (ggc_allocated_strings): New variable.
5547 (ggc_strings_used): Likewise.
5548 (ggc_compare_addresses): New function.
5549 (ggc_pop_context): Pop the `any' memory too.
5550 (ggc_mark_string_if_gcable): New function.
5551 (ggc_collect): Initialize and tear down ggc_allocated_strings.
5553 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
5555 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
5556 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
5557 * rs6000.c (expand_block_move): Match movstrsi_?reg register
5560 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
5562 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
5563 (sched_reg_live_length, sched_reg_basic_block): Delete.
5564 (current_block_num, bb_live_regs, old_live_regs): Delete.
5565 (dead_notes, struct sometimes): Delete.
5566 (sched_note_set, birthing_insn_p): Delete.
5567 (adjust_priority): Gut useless reg lifetime code.
5568 (create_reg_dead_note, attach_deaths): Delete.
5569 (attach_deaths_insn, new_sometimes_live): Delete.
5570 (finish_sometimes_live): Delete.
5571 (find_pre_sched_live, find_post_sched_live): Delete.
5572 (update_reg_usage): Delete.
5573 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
5574 (schedule_insns): Delete reg lifetime code.
5575 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
5576 (unlink_other_notes): Adjust REG_NOTE commentary.
5577 (reemit_notes): Use REG_SAVE_NOTE.
5578 (schedule_block): Likewise.
5579 (schedule_region): Allocate bitmap of blocks in region. Use
5580 count_or_remove_death_notes. Use update_life_info.
5582 * rtl.h (REG_SAVE_NOTE): New.
5583 * rtl.c (reg_note_name): Update.
5585 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
5587 * combine.c (refresh_blocks, need_refresh): New.
5588 (combine_instructions): Allocate refresh_blocks. Invoke
5589 update_life_info if needed.
5590 (distribute_notes): Mark refresh_blocks instead of installing
5592 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
5593 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
5595 * Makefile.in (recog.o): Depend on basic-block.h.
5597 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
5599 * genrecog.c (add_to_sequence): Thinko last change: delete
5600 shadowing allow_const_int variable.
5602 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5604 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
5605 __GNUC__ and __GNUC_MINOR__.
5607 * gansidecl.h: Likewise.
5613 * toplev.h: Likewise.
5619 * varray.c: Likewise.
5621 * varray.h: Likewise.
5623 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5625 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
5626 use one before a jump table.
5628 * rtl.def (ADDRESS): Change documentation to match reality.
5629 * md.texi: Don't document it.
5630 * gmicro.md (load address pattern): Use 'p' constraint, delete use
5633 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
5635 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
5637 * genrecog.c (add_to_sequence): Move allow_const_int test outside
5638 known predicate block; default allow_const_int true.
5639 (debug_decision_list): New.
5641 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
5643 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
5645 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
5647 * gcse.c (gcse_main): Avoid global optimizations if we have a
5648 large number of basic blocks and the ratio of edges to blocks
5650 (delete_null_pointer_checks): Likewise.
5652 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
5654 * c-common.c (check_format_info): Warn if format string isn't a
5657 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
5659 * configure.in (arm*-*-*): Don't let autoconf remove brackets
5660 * configure: regenerate
5662 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
5664 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
5665 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
5666 (peepholes): Re-enable.
5668 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
5670 * Makefile.in (flow.o): Depend on TREE_H.
5671 * basic-block.h (REG_SET_EQUAL_P): New.
5674 (free_regset_vector): Remove declaration.
5675 (flow_delete_insn_chain): Declare.
5676 (enum update_life_extent): New.
5677 (update_life_info, count_or_remove_death_notes): Declare.
5678 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
5679 Verify register live at bb->global_live_at_start before adding USE.
5680 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
5681 (CLEAN_ALLOCA): New.
5683 (PROP_*): New flags.
5684 (find_basic_blocks_1): Use alloc_EXPR_LIST.
5685 (clear_edges): Zero n_edges.
5686 (make_edge): Increment n_edges.
5687 (split_edge): Don't allocate bb->local_set. Increment n_edges.
5688 (flow_delete_insn_chain): Export.
5689 (delete_block): Decrement n_edges.
5690 (merge_blocks_nomove): Likewise.
5691 (life_analysis): Give life_analysis_1 PROP flags.
5692 (verify_wide_reg_1, verify_wide_reg): New.
5693 (verify_local_live_at_start): New.
5694 (update_life_info): Rewrite to call into propogate_block.
5696 (mark_regs_live_at_end): After reload, if epilogue as rtl,
5697 always mark stack pointer. Conditionally mark PIC register.
5698 After reload, mark call-saved registers, return regsiters.
5699 (life_analysis_1): Accept PROP flags not remove_dead_code.
5700 Call mark_regs_live_at_end before zeroing regs_ever_live.
5701 Use calculate_global_regs_live. Copy global_live_at_end before
5702 calling final propagate_block. Zero reg_next_use on exit.
5703 (calculate_global_regs_live): New.
5704 (allocate_bb_life_data): Don't allocate bb->local_set.
5705 (init_regset_vector, free_regset_vector): Remove.
5706 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
5707 Test flags before every operation. Warn if prologue/epilogue insn
5708 would have been deleted.
5709 (mark_set_regs, mark_set_1): Accept and use FLAGS.
5710 Use alloc_EXPR_LIST.
5711 (mark_used_regs): Accept and use FLAGS, not FINAL.
5712 Remove special handling for RETURN.
5713 (try_pre_increment): Use alloc_EXPR_LIST.
5714 (dump_flow_info): Dump n_edges.
5715 (unlink_insn_chain, split_hard_reg_notes): Remove.
5716 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
5717 (find_insn_with_note, new_insn_dead_notes): Remove.
5718 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
5719 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
5720 (replace_insns): Remove.
5721 (count_or_remove_death_notes): New.
5722 (verify_flow_info): Abort on error after all checks.
5723 (remove_edge): Decrement n_edges.
5724 (remove_fake_edges): Tweek format.
5725 * haifa-sched.c (schedule_insns): Use split_all_insns.
5726 * output.h (update_life_info): Remove declaration.
5727 * recog.c (split_all_insns): From the corpse of split_block_insns,
5728 do the whole function block by block. Use update_life_info.
5729 (recog_last_allowed_insn): New.
5730 (recog_next_insn): Mind it.
5731 (peephole2_optimize): Set it. Walk backwards through blocks.
5732 Use update_life_info.
5733 * rtl.h (update_flow_info, replace_insns): Remove declarations.
5734 (split_all_insns): Declare.
5735 * toplev.c (rest_of_compilation): Thread prologue before flow2.
5736 Use split_all_insns.
5738 * i386.md (or -1 peep2s): Disable.
5740 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
5742 * config/mips/mips.md (movstrsi+[123]) : Combine these into
5743 a single pattern. Scrap the 'd' versions as unnecessary.
5745 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
5746 tablejump_mips162,tablejump_internal4): The operands to a
5747 label_ref must be VOIDmode.
5749 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5751 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
5753 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5755 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
5757 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
5759 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
5760 cache every function if ggc_p.
5762 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5764 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
5765 instead of copy_rtx. Accept sequences that contain asm statements.
5766 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
5767 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
5768 orig_asm_operands_vector, copy_asm_operands_vector,
5769 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
5771 * rtl.h (copy_insn, copy_insn_1): Declare.
5773 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5775 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
5777 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
5778 arguments to `current_file_function_operand'.
5780 * genrecog.c: Include hard-reg-set.h and resource.h in the
5781 generated output file.
5783 * real.c: Include tm_p.h.
5785 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5787 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
5790 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
5792 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
5793 before the fctiwz insn.
5795 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5796 Mark Mitchell <mark@codesourcery.com>
5798 * tree.c (make_lang_type_fn): New funtion pointer.
5799 (make_lang_type): Call it.
5800 * tree.h (make_lang_type): Declare.
5801 (make_lang_type_fn): Likewise.
5802 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
5804 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
5806 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
5807 make sure that HIGH instructions are copied into BASE_REGS.
5809 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
5811 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
5813 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
5815 * c-decl.c (finish_struct): Use simpler method of
5816 removing elements of a singly-linked list.
5818 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
5820 * alpha.md (peephole2's): Comment out peephole2's that generate
5823 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
5825 * genrecog.c (add_to_sequence): Disable mode check for
5828 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
5830 * ggc-simple.c (init_ggc): Set empty_string.
5832 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
5834 * configure.in: Detect mmap. Add --with-gc=foo to select
5835 garbage collector; default to page if mmap available.
5836 * Makefile.in (GGC): Substitute.
5838 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
5840 * c-decl.c (ggc_p): Enable.
5842 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5844 * flow.c (verify_flow_info): Make it extern & unconditionally define.
5846 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
5848 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
5849 string for little-endian-data.
5851 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
5853 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
5854 case somebody tries to compile --enable-checking code with gcc
5857 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
5859 * genrecog.c (add_to_sequence): Verify operand to label_ref is
5862 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
5864 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
5865 * jump.c (jump_optimize_1): Document why.
5867 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5869 * collect2.c (scan_prog_file, scan_libraries): Prototype function
5870 pointers and casts for `int_handler' and `quit_handler'.
5872 * flow.c (verify_flow_info, split_hard_reg_notes,
5873 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
5874 remove_edge, remove_fake_successors): Add static prototypes.
5875 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
5876 (mark_set_1): Initialize variable `regno'.
5877 (unlink_insn_chain): Likewise for variable `curr'.
5878 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
5880 * loop.c (strength_reduce): Initialize variable
5881 `unrolled_insn_copies'.
5882 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
5883 prototypes. Change these functions to take const PTR parameters
5884 to avoid prototype conflict when used as the comparson argument
5886 (check_dbra_loop): Initialize variable `comparison_val'.
5888 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
5889 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
5890 (find_valid_class): Initialize variable `best_class'.
5891 (find_reloads): Call memcpy, not bcopy.
5893 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
5894 (hard_reg_use_compare): Don't needlessly cast away const.
5895 (reload_reg_class_lower): Likewise.
5896 (choose_reload_regs): Initialize variable `regno'.
5898 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
5900 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
5902 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
5904 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
5905 ({,d}discard): Add forward declarations. Declare parameter as
5907 (main_without_main): Explicitly declare return type to be int.
5908 (memcpy): Properly declare.
5910 * libgcc2.c (toplevel): If inhibit_libc is defined and not
5911 building the trampoline support, declare malloc, free, and
5913 (__clear_cache): Mark arguments as potentially unused.
5915 * frame.c (toplevel): If inhibit_libc is defined, declare
5918 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
5920 * flow.c (make_edge): Accept an optional 2D bitmap in which
5921 to cache edge existence. Update all callers.
5922 (make_label_edge, make_eh_edge): Pass through the edge cache.
5923 (make_edges): Provide the cache.
5925 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5927 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
5929 (local_mbtowc): Change the type of variable `i' from int to size_t.
5931 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
5932 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
5934 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
5936 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
5937 after other includes that define the appropriate types. Include
5938 tm_p.h for getting user prototypes.
5939 * ggc-callbacks.c (toplevel): Ditto.
5940 * ggc-none.c (toplevel): Ditto.
5941 * gcc-page.c (toplevel): Ditto.
5942 * ggc-simple.c (toplevel): Ditto.
5944 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
5945 Jonathan Larmour <jlarmour@cygnus.co.uk>
5947 * config/mips/mips.c (mips_move_2words): Split doubles if
5948 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
5950 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
5952 * genrecog.c (struct decision_test): New.
5953 (struct decision): Remove test-related members, sort the rest by size.
5954 (IS_SPLIT): Simplify.
5955 (new_decision, new_decision_test): New.
5956 (add_to_sequence): Use them. No special handling for args of
5958 (maybe_both_true): Renamed from not_both_true; return sense changed.
5959 (maybe_both_true_1, maybe_both_true_2): New. Broken out
5960 of maybe_both_true and adjusted for decision_test.
5961 (position_merit): Remove.
5962 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
5963 (merge_accept_insn): New, broken out of merge_trees.
5964 (merge_trees): Use them. No special case for c_test; no node
5965 splitting; use test type instead of position_merit.
5966 (factor_tests): New.
5967 (simplify_tests): New.
5968 (break_out_subroutines): Don't write code now.
5969 (find_afterward): New.
5970 (write_afterward, write_switch, write_cond): New.
5971 (write_action, is_unconditional): New.
5972 (write_node): New. Use them.
5973 (write_tree_1): Rewrite. Use the new functions above.
5974 (write_tree): Remove afterward processing.
5975 (write_subroutine): Simplify function variant emission.
5976 (write_subroutines): New.
5977 (same_codes, clear_codes): Remove.
5978 (same_modes, clear_modes): Remove.
5979 (write_header): New, broken out of main.
5980 (make_insn_sequence): Use new_decision and new_decision_test.
5981 (process_tree): New, broken out of main.
5982 (main): Adjust for merge_trees interface change.
5983 Don't #define operands in the output file.
5984 (record_insn_name): New, broken out of make_insn_sequence.
5985 (debug_decision_2, debug_decision_1, debug_decision_0): New.
5986 (debug_decision): New.
5988 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
5990 * resource.c (find_free_register): Mark class_str argument const.
5991 * resource.h: Update prototype to match.
5993 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
5994 * i386.md: Give all anonymous insns names.
5996 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
5998 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
6001 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
6003 * toplev.c (dbr_sched_time): Unconditional.
6004 (peephole2_time): New.
6005 (compile_file): Add pass numbers to all of the dump file suffixes.
6006 Dump peephole2_time. Don't dump times for non-applicable passes.
6007 (rest_of_compilation): Add pass numbers to dump file suffixes.
6008 Conditionalize calls to the scheduler.
6009 * invoke.texi: Update.
6011 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
6013 * flow.c (make_edges): Fix insn iteration.
6014 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
6015 (find_basic_blocks_1): Fix spelling mistake.
6017 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
6019 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
6020 always have side-effects. Use memset not bzero.
6021 (make_node): Likewise.
6023 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
6025 * stmt.c (expand_anon_union_decl): When any of the elements of the
6026 union is addressable, so is the entire union.
6028 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
6030 * sbitmap.c (sbitmap_ones): Don't set too many bits.
6032 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
6033 * bitmap.c (bitmap_operation): Return true iff TO changed.
6034 (bitmap_equal_p): New.
6035 (bitmap_bit_p): Tidy arithmetic.
6036 (debug_bitmap_file): Likewise.
6038 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
6040 * toplev.c (rest_of_compilation): Turn on cse_not_expected
6041 before cse2 instead of after.
6043 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
6045 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
6048 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6050 * cppinit.c (is_idchar initializer): Loosen tests to accept
6053 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
6055 * mips.md: Define conditional move patterns for floating point
6056 operands and DI mode conditions.
6058 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
6060 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
6061 always have side-effects.
6063 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
6065 * mn10200.c (asm_file_start): Fix typo.
6067 * cppinit.c (is_idchar initializer): Tighten tests for when
6068 to put the table into initialized memory.
6070 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
6071 not an array of rtunion.
6072 * gcc-page.c (ggc_alloc_rtvec): Similarly.
6073 * gcc-simple (ggc_free_rtvec): Similarly.
6075 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
6078 * mbchar.h: Add missing #endif.
6080 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
6081 (FPBIT, DPBIT): Define.
6083 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6085 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
6087 * profile.c (instrument_arcs, output_gcov_string,
6088 tablejump_entry_p): Add static prototypes.
6089 (output_gcov_string): Constify a char*.
6091 * regmove.c (replacement_quality, fixup_match_2): Add static
6094 * resource.h (reg_dead_p): Add extern prototype.
6096 * rtl.c (trim_filename): Add static prototype.
6098 * scan-decls.c (skip_to_closing_brace): Likewise.
6100 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
6101 (expand_end_case): Initialize variable `range'.
6102 (emit_case_nodes): Remove unused prototype `rtx_fn'.
6104 * varasm.c (asm_emit_uninitialised): Add static prototype.
6105 (asm_emit_uninitialised, assemble_variable): Mark parameter with
6108 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6110 * cpplib.c (if_directive_nameo): Add static prototype.
6112 * cse.c (cse_insn): Remove unused variable `p'.
6114 * except.c (create_rethrow_ref, push_entry,
6115 receive_exception_label, new_eh_region_entry, find_func_region,
6116 clear_function_eh_region, process_nestinfo): Add static prototypes.
6117 (get_reg_for_handler): Hide definition.
6118 (process_nestinfo): Initialize variable `extra_handlers'.
6120 * expr.h (expand_builtin_longjmp): Add extern prototype.
6122 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
6124 * function.c (prepare_function_start): Likewise.
6125 (pop_function_context_from): Mark parameter `context' with
6127 (push_temp_slots_for_block, flush_addressof): Hide definition.
6129 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
6130 solve_program_flow_graph, calculate_branch_probs,
6131 function_summary, main, fancy_abort): Add prototypes.
6133 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
6134 (add_hash): Constify a char*.
6136 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
6137 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
6138 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
6140 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
6142 * lists.c (free_list, zap_lists): Likewise.
6144 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6146 * alias.c (nonlocal_reference_p): Add static prototype.
6148 * bitmap.c (bitmap_element_allocate): Prototype args in function
6151 * builtins.c (stabilize_va_list): Add static prototype.
6152 (expand_builtin_va_arg): Constify a char*.
6154 * c-lex.c (getch, put_back, extend_token_buffer_to,
6155 read_line_number, token_getch, token_put_back): Add static
6158 * c-parse.gperf (hash, is_reserved_word): Likewise.
6160 * cccp.c (is_dir_separator): Likewise.
6162 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6164 * graph.h: New file to prototype functions exported by graph.c.
6166 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
6168 * graph.c: Include graph.h.
6170 * toplev.c: Likewise. Remove redundant prototypes.
6172 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
6174 * invoke.texi: Removed duplicated description for -Q.
6176 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
6178 * extend.texi: Grammar fix in __extension__ text.
6180 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
6182 * md.texi (define_peephole2): New section.
6184 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
6186 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
6187 (mov $-1 to or peepholer): Enable for pentium when optimizing for
6190 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
6192 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
6194 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
6196 * i386.md (ffs expander): Emit Pentium friendly code for
6199 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
6201 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
6205 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6207 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
6209 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
6211 * config/m68k/m68k.c (use_return_insn): Return false if the pic
6214 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6216 * md.texi (No Constraints): Delete section.
6217 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
6218 * final.c (final_scan_insn): We always have register constraints.
6219 * genattrtab.c: Don't include "insn-config.h".
6220 (write_attr_case): We always have register constraints.
6221 * genconfig.c (register_constraint_flag): Delete.
6222 (walk_insn_part): Don't check whether we have register constraints.
6223 (main): Don't write out "#define REGISTER_CONSTRAINTS".
6224 * genoutput.c (have_constraints): Delete.
6225 (main): Don't set it.
6226 (output_operand_data): We always have constraints.
6227 (scan_operands): Likewise.
6228 (compare_operands): Likewise.
6229 * local-alloc.c (block_alloc): We always have constraints.
6230 (requires_inout): Always compile this function.
6231 * recog.c (extract_insn): We always have constraints.
6232 (constrain_operands, reg_fits_class_p): Always compile these
6234 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
6236 (struct insn_operand_data): Likewise.
6237 * regclass.c (regclass): We always have constraints.
6238 (record_reg_classes, copy_cost, record_address_regs,
6239 auto_inc_dec_reg_p): Always compile these functions.
6240 * regmove.c (regmove_optimize): We always have constraints.
6241 * reload.c (find_reloads): Likewise.
6242 * reload1.c (reload): Likewise.
6243 (reload_cse_simplify_operands): Likewise.
6244 * i860.c (output_delay_insn): Likewise.
6246 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
6248 * iris6.h (BUILD_VA_LIST_TYPE): Define.
6250 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6252 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
6253 for the va_list record.
6255 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
6257 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
6260 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
6262 * alias.c: Include insn-flags.h.
6263 * Makefile.in (alias.o): Update.
6265 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
6267 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
6268 to LTU and GEU. Handle more cases using sbb.
6270 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
6272 * i386.md (truncatexfdf splitters): Do not use subreg.
6273 (fop XFmode patterns): Fix mode in operand testing.
6275 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
6277 * jump.c (jump_optimize_1): Amend last change to test only the
6278 form of the operand, not the insn.
6280 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
6281 not register_operand to determine when B may need preloading.
6283 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
6285 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
6286 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
6287 (call-value patterns): Move to end of file.
6288 (*): Remove mode from label_ref in (pc) context.
6289 (movstrqi): Use memory not general_operand for BLKmode operands.
6290 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
6291 to register_operand operands.
6292 (peep2 patterns): Convert from commented-out peephole patterns.
6294 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6296 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
6297 to BUILT_IN_INIT_DWARF_REG_SIZES.
6298 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
6299 Renamed from BUILT_IN_DWARF_REG_SIZE; call
6300 expand_builtin_init_dwarf_reg_sizes.
6301 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
6302 with __builtin_init_dwarf_reg_size_table.
6303 * dwarf2out.c (struct reg_size_range): Delete.
6304 (expand_builtin_init_dwarf_reg_sizes): New function.
6305 (expand_builtin_dwarf_reg_size): Delete.
6306 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
6307 (expand_builtin_dwarf_reg_size): Don't declare.
6308 * libgcc2.c (dwarf_reg_size_table_initialized): New.
6309 (dwarf_reg_size_table): New.
6310 (init_reg_size_table): New function.
6311 (copy_reg): Use dwarf_reg_size_table.
6312 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
6315 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
6317 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
6318 Correctly build argument list to constructor and destructor functions.
6320 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
6322 * c-tree.h (warn_float_equal): Declare.
6323 * c-decl.c (warn_float_equal): Define.
6324 (c_decode_option): Recognize -W[no-]float-equal.
6325 * c-typeck.c (build_binary_op): Conditionally warn
6326 about equality tests of floating point types.
6327 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
6328 * invoke.texi: Add docs for -Wfloat-equal warning.
6330 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
6332 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
6333 generating RTL directly.
6334 * mips.h (INIT_TARGET_OPTABS): Likewise.
6335 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
6337 * expr.h (init_mov_optab): Delete declaration
6339 * h8300.c (WORD_REG_USED): Update to avoid useless register
6340 saves in interrupt functions and functions which never return.
6342 * cse.c (struct set): Delete inner_dest_loc field.
6343 (cse_insn): Remove assignments to inner_dest_loc field.
6345 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
6347 * ggc-page.c: Don't include <unistd.h> etc taken care of
6348 by "system.h". Include <sys/mman.h> afterward.
6350 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
6352 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
6355 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
6357 * xcoffout.c (xcoffout_declare_function): Add documentation.
6358 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
6359 TARGET_64BIT. Compare constant to -1, not bit pattern.
6360 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
6361 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
6364 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
6366 * dwarf2out.c (add_abstract_origin_attribute): Abort if
6368 (gen_inlined_enumeration_type_die): Do not abort if the type has
6369 not been writeen out.
6370 (gen_inlined_structure_type_die): Do not abort if the type has
6371 not been writeen out.
6372 (gen_inlined_union_type_die): Do not abort if the type has
6373 not been writeen out.
6374 (gen_tagged_type_instantiation_die): Do not abort if the type
6375 has not been written out.
6377 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6379 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
6381 * reg-stack.c (straighten_stack): Copy hard reg set with
6384 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
6386 * builtins.c (stabilize_va_list): Stabilize array type va_list
6387 to a pointer type, not the base record type.
6388 (expand_builtin_va_copy): Dereference the pointers explicitly;
6389 use the correct size for the copy.
6391 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
6392 (rs6000_va_arg): Likewise.
6394 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
6396 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
6398 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
6400 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
6402 (DECL_BUILT_IN_CLASS): Adjust accordingly.
6404 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
6406 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
6407 (init_ggc): Use it instead of a constant.
6408 (ggc_collect): Bound allocated_last_gc by it.
6410 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
6412 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
6415 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
6417 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
6418 (mips*-*-openbsd*): Let big endian configuration be a fragment.
6420 * config/mips/openbsd.h: New, OpenBSD little endian target.
6421 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
6422 * config/mips/xm-openbsd.h: New, OpenBSD host.
6424 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
6426 * config/m68k/m68k.c (output_function_prologue,
6427 output_function_epilogue): Use
6428 current_function_uses_pic_offset_table instead of regs_ever_live
6429 to decide whether to save/restore pic register.
6430 (legitimize_pic_address): Don't modify regs_ever_live any more.
6432 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
6434 * function.h (struct function): Add x_dont_save_pending_sizes_p.
6435 * stor-layout.c (variable_size): Don't add sizes to the pending
6436 sizes list if x_dont_save_pending_sizes_p is set.
6438 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
6440 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
6441 for symbolic_operand().
6442 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
6444 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6446 * combine.c (gen_rtx_combine): Add missing call to va_end().
6448 * final.c (asm_fprintf): Likewise.
6450 * genattrtab.c (attr_rtx): Likewise.
6452 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
6454 * cse.c: Update comments.
6455 (cse_insn): When converting a conditional/computed jump into
6456 an unconditional jump, always make sure a BARRIER immediately
6457 follows the converted jump. Do not delete unreachable code.
6458 (cse_basic_block): Do not delete unreachable code.
6459 * toplev.c (rest_of_compilation): Move call to
6460 delete_trivially_dead_insns after the conditional call to
6463 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6465 * collect2.c (make_temp_file): Don't prototype.
6467 * gcc.c (make_temp_file): Likewise.
6469 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
6471 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
6473 * varasm.c (asm_emit_uninitialised): New function: Generate
6474 the assembler statements necessary to declare an uninitialised
6476 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
6478 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
6479 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
6481 (assemble_variable): Use asm_emit_uninitialised to emit an
6482 uninitialised variable.
6484 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
6486 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
6487 constant on a 64 bit host. Patch supplied by Geoffrey Keating
6488 <geoffk@cygnus.com>.
6490 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6492 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
6493 * c-common.h (builtin_function): Don't declare.
6495 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
6497 (pushdecl): Likewise.
6498 (finish_decl): Likewise.
6499 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
6500 int. All callers changed.
6501 Set the builtin's DECL_BUILT_IN_CLASS.
6502 * tree.h (enum built_in_class): New.
6503 (enum built_in_function): Delete NOT_BUILT_IN.
6504 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
6506 (DECL_SET_FUNCTION_CODE): Likewise.
6507 (DECL_BUILT_IN_CLASS): New macro.
6508 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
6509 (struct tree_decl): Split builtin function code field into a
6511 (builtin_function): Declare.
6513 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
6515 * optabs.c (init_traps): Fix typo in last change.
6517 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
6519 * toplev.c (rest_of_decl_compilation): Update comment.
6521 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
6523 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
6524 in .sbss if appropriate.
6525 (EXTRA_SECTION_FUNCTIONS): Add sbss.
6526 (SBSS_SECTION_ASM_OP): New macro.
6527 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
6528 (EXTRA_SECTIONS): Add in_sbss.
6529 * config/mips/mips.h: Prototype sbss_section.
6531 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
6533 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
6536 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
6538 * optabs.c (init_traps): Register trap_rtx as a GC root.
6540 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6542 * config/mips/mips.c (function_arg_pass_by_reference): Define
6543 unconditionally, since it's called unconditionally.
6545 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
6547 * toplev.c (documented_lang_options): Add -fshort-wchar.
6548 * c-decl.c (c_decode_option): Likewise.
6549 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
6551 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
6552 * gcc.c (default_compilers): If -fshort-wchar,
6553 override __WCHAR_TYPE__.
6554 * tm.texi (C Dialect Options): Add -fshort-wchar.
6556 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
6557 symbol for a variable.
6559 * cpplib.h (CPP_PREPROCESSED): New macro.
6560 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
6561 we're seeing this input for a second time.
6563 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
6565 * emit-rtl.c (init_emit_once): Initialize modes first.
6567 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
6569 * config/i386/i386.c (pic_label_name): Change to char pointer.
6570 (global_offset_table): New variable.
6571 (load_pic_register): Fill global_offset_table if it hasn't
6572 already been done. Allocate pic_label_name dynamically.
6573 * ggc.h (empty_string): New variable.
6574 * ggc-simple.c (empty_string): Likewise.
6575 (init_ggc): Allocate empty_string and add as root.
6576 * stmt.c (digit_strings): New variable.
6577 (init_stmt): Add last_block_end_note as root. Allocate and
6578 initialize digit_strings.
6579 (expand_asm_operands): Use empty_string instead of string
6580 constant. Use digit_strings instead of string constants.
6581 * profile.c (init_arc_profiler): Allocate string with
6582 ggc_alloc_string instead of xmalloc.
6583 (output_func_start_profiler): Likewise.
6584 * c-typeck.c (digest_init): Check if init is error_mark_node.
6586 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
6587 Richard Henderson <rth@cygnus.com>
6589 * ggc-page.c: New file.
6590 * Makefile.in (ggc-page.o): New.
6592 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
6594 * invoke.texi: Document -fdelete-null-pointer-checks
6595 * toplev.c (flag_delete_null_pointer_checks): New.
6596 (f_options): Add entry for -fdelete-null-pointer-checks.
6597 (rest_of_compilation): Conditionalize null pointer check
6598 elimination on flag_delete_null_pointer_checks.
6599 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
6601 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
6603 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
6604 copyright notice and special exception to GPL.
6606 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6608 * abi64.h (mips_function_value): Add prototype arguments.
6610 * mips-protos.h: New file with mips prototypes.
6612 * mips.c: Include "tm_p.h".
6613 (mktemp, lookup_name): Add prototype arguments.
6614 (extern_list, string_constant, mips_fill_delay_slot,
6615 mips_output_external, mips_output_external_libcall,
6616 mips_output_filename, mips_declare_object, function_prologue,
6617 mips_expand_prologue, function_epilogue, mips16_constant,
6618 build_mips16_function_stub, mips_output_conditional_branch):
6620 (mips_va_start): Remove unused variable `u'.
6621 (mips_va_arg): Cast value to unsigned when comparing against one.
6623 (save_restore_insns, mips_expand_prologue): Add missing arg in
6624 call to `large_int'.
6626 * mips.h: Move prototypes to mips-protos.h.
6627 (data_section, memory_address_p, rdata_section,
6628 readonly_data_section, simple_epilogue_p, text_section): Delete
6629 prototypes delcared elsewhere.
6630 (mips_epilogue_delay_slots, print_options): Delete unused decls.
6632 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
6634 * mips.md: Delete extra args in call to `mips_move_2words'.
6636 * xm-iris6.h (alloca): Add prototype argument.
6638 * genpeep.c: Include "tm_p.h" in generated output file.
6640 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6642 * basic-block.h (find_edge_index): Change parameters.
6643 * flow.c (verify_edge_list): Pass basic_block parameters to
6644 find_edge_index instead of integers.
6646 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
6648 * combine.c (simplify_comparison): Use an unsigned shift to adjust
6651 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
6653 * gcc.1: Fix a formatting error.
6655 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6657 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
6658 i786, mn10200, mn10300, pdp11, v850.
6660 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
6662 * libgcc2.c (num_digits): Add prototype with
6663 __attribute__((const)).
6664 (__terminate): Add prototype.
6666 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
6668 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
6670 * alpha/alpha.c (print_operand): Fix type of `code'.
6671 (alpha_output_filename): Constify.
6672 * alpha/alpha.h: Move all function declarations ...
6673 * alpha/alpha-protos.h: ... here. New file.
6674 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
6675 (SECTION_FUNCTION_TEMPLATE): Likewise.
6677 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6679 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
6680 * expr.c (expand_expr): Likewise.
6681 (do_jump): Likewise.
6682 (do_store_flag): Pass ccp_store_flag to can_compare_p.
6683 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
6685 (enum can_compare_purpose): New.
6686 (can_compare_p): Adjust prototype.
6687 (prepare_cmp_insn, prepare_operand): Declare.
6688 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
6689 * optabs.c (cmp_available_p): Deleted.
6690 (expand_abs): Pass ccp_jump to can_compare_p.
6691 (can_compare_p): New arg PURPOSE. Check for combined optabs.
6692 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
6693 Call can_compare_p rather than cmp_available_p.
6694 (prepare_operand): No longer static.
6695 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
6696 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
6697 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
6698 sequence to use emit_cmp_and_jump_insns.
6699 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
6701 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
6703 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
6704 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
6705 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
6706 (plus (reg) (const_int 0))
6707 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
6709 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
6711 * rs6000.c (expand_block_move): DImode loads and stores require
6712 word-aligned displacements. Increment address registers with
6713 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
6715 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
6717 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
6718 is no name for the base type, rather than segfault. If we are
6719 writing out a complex integer type, use DW_ATE_lo_user.
6721 * expr.c (emit_move_insn_1): If we are copying a complex that fits
6722 in one word or less (complex char, complex short, or on 64 bit
6723 systems complex float) to/from a hard register, copy it through
6724 memory instead of dying in gen_{real,imag}part. If we have a
6725 short complex type, prevent inlining since it allocates stack
6728 * tree.c (build_complex_type): If we are writing dwarf2 output,
6729 generate a name for complex integer types.
6731 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6733 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
6734 * flow.c (remove_edge): Remove extra whitespace.
6735 (remove_fake_edges): Fix comment.
6736 (add_noreturn_fake_exit_edges): Use the correct name.
6738 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
6740 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
6741 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
6742 (clean): Depend on INTL_CLEAN.
6743 (maintainer-clean): Adjust.
6745 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6747 * configure.in (AC_PREREQ): Bump to 2.13.
6748 (AC_C_STRINGIZE): Call this instead of using a custom macro.
6750 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
6752 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
6754 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
6756 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
6757 (HAVE_STRINGIZE): Define.
6759 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
6761 * c-parse.in: save and restore warn_pointer_arith on __extension__
6762 along with pedantic.
6763 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
6764 Set the type of extension to itype rather than $<itype>1 kludge.
6765 * extend.texi (Alternate Keywords): Adjust documentation.
6766 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
6768 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
6770 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
6771 most assembler templates.
6773 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
6774 FP loads and stores.
6775 (following_call): Always return zero for the PA8000.
6776 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
6777 FP loads and stores.
6778 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
6780 * pa.h (BRANCH_COST): Define.
6782 * pa.md (return, return_internal): Use bve for PA2.0.
6784 * pa.md (fused multiply): Add variants which reduce height for the
6785 fused multiply, but which still generate 2 insns.
6786 (fnegabs): Similarly.
6788 * pa.md (subsi3): Turn into an expander. Create two anonymous
6789 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
6790 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
6792 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
6794 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
6796 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
6797 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
6799 * regclass.c (init_regs): Add "top_of_stack" as a garbage
6802 * flow.c (record_active_eh_regions): Terminate loop after finding
6803 the last insn in the last basic block.
6805 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6807 * config/c4x/c4x.md: Delete parallel instruction peepholes.
6809 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6811 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
6813 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6815 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
6816 splitting to not use output template.
6818 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6820 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
6821 * config/c4x/c4x.c (c4x_va_start): New function.
6823 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
6825 * genrecog.c (not_both_true): Handle correctly cases when called for
6826 tests with different positions in the insn.
6828 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6830 * machmode.h (HOST_PTR_PRINTF): Move from here ...
6832 * system.h (HOST_PTR_PRINTF): ... to here.
6834 * mips-tfile.c: Don't include machmode.h.
6836 * Makefile.in (MACHMODE_H): New variable. Update to use it.
6837 (mips-tfile.o): Don't depend on machmode.h.
6839 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6841 * haifa-sched.c (sched_analyze): Rename local variable `region' to
6842 avoid conflicts with typedef struct `region' at the top level scope.
6844 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
6846 * basic-block.h (basic_block): Add eh_beg, eh_end.
6847 * flow.c (entry_exit_blocks): Update.
6848 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
6850 (find_basic_blocks_1): Don't record eh_list at each bb. Use
6851 lists.c functions to allocate insn lists.
6852 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
6854 (make_eh_edge): ... here. New.
6855 (move_stray_eh_region_notes): New.
6856 (record_active_eh_regions): New.
6857 (delete_unreachable_blocks): Split out block merging ...
6858 (try_merge_blocks): ... here. New.
6859 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
6860 Dump debugging data.
6861 (merge_blocks_move_successor_nojumps): Likewise.
6862 (merge_blocks): Use eh_beg+eh_end to validate block movement.
6864 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6866 * extend.texi (Bound member functions): Document unbound pmf
6869 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6871 * flow.c (split_edge): Handle insertion on a fallthrough edge which
6872 has the EXIT_BLOCK as a dest.
6874 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6876 * flow.c (remove_edge): New function to remove an edge from the
6878 (remove_fake_successors): New function to remove fake successor edges.
6879 (remove_fake_edges): New function to remove all fake edges from the
6881 (add_fake_exit_edges): New function to add fake edges from all blocks
6882 with no successors to the exit block.
6883 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
6884 prototypes for new functions.
6886 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
6888 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
6889 Use Pmode to determine whether to output .dword or .word.
6891 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
6893 * tree.c (built_in_filename): New variable.
6894 (BUILT_IN_FILENAME): New macro.
6895 (init_tree_codes): Allocate built_in_filename.
6896 (make_node): Use built_in_filename instead of string constant.
6898 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
6900 * configure.in: Add fr30 target.
6901 * configure: Regenerate.
6902 * config/fr30: New directory.
6903 * config/fr30/crti.asm: New file.
6904 * config/fr30/fr30.c: New file.
6905 * config/fr30/crtn.asm: New file.
6906 * config/fr30/fr30.h: New file.
6907 * config/fr30/fr30.md: New file.
6908 * config/fr30/lib1funcs.asm: New file.
6909 * config/fr30/t-fr30: New file.
6910 * config/fr30/xm-fr30.h: New file.
6912 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
6914 * flow.c (merge_blocks_move_successor_nojumps): Delete the
6915 BARRIER at the end of the successor, not the BARRIER before
6918 * pa.c (pa_add_gc_roots): Fix thinko in last change.
6920 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
6922 * stmt.c (any_pending_cleanups): Don't crash when
6923 current_function->stmt is unset.
6925 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6927 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
6928 other initializations that may use it for relative offsets.
6930 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6932 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
6933 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
6934 * config/i386/sol2dbg.h: Removed.
6935 * config/i386/sol2gas.h: New file, to enable gas work-around.
6936 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
6937 Don't use sol2dbg.h.
6938 * configure: Rebuilt.
6940 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
6942 * invoke.texi (-fthis-is-variable): Remove documentation.
6944 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
6946 * basic-block.h (compute_bb_for_insn): Declare.
6947 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
6948 to use; set size of basic_block_for_insn directly.
6949 (find_basic_blocks): Update.
6951 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6953 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
6955 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6957 * crtstuff.c (ON_EXIT): Delete empty macro definition.
6958 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
6960 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
6962 * c-decl.c (c_decode_option): Extend comment.
6964 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
6966 * toplev.c (progname): Make 'const char *'
6967 (flag_print_mem): Move out of main.
6968 (version_flag): Move out of main.
6969 (filename): Move out of main.
6970 (debug_args): Remove g prefix from options.
6971 (documented_lang_options): Remove cpplib specific options.
6972 (display_help): Add g prefix to debug options.
6973 (check_lang_option): Delete this function.
6974 (decode_d_option): New function: Decode -d... option.
6975 (decode_f_option): New function: Decode -f... option.
6976 (decode_W_option): New function: Decode -W... option.
6977 (decode_g_option): New function: Decode -g... option.
6978 (independent_decode_option): New function: Decode a language
6979 independent command line option.
6980 (main): Invoke lang_decode_option and then
6981 independent_decode_option on each command line option in
6984 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
6986 Revert this change. Gavin's patch to operand_equal_p is a better fix.
6987 * fold-const.c (fold_range_test): Do not try to fold the range
6988 test if the rhs or lhs has side effects.
6990 * basic-block.h (compute_flow_dominators): Declare.
6992 * gcse.c (alloc_code_hoist_mem): New function.
6993 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
6994 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
6995 (hoist_code, one_code_hoisting_pass): Likewise.
6996 (gcse_main): If optimizing for size, then hoist expressions
6997 computed in multiple dominated basic blocks.
6999 * gcse.c (invalid_nonnull_info): New function.
7000 (delete_null_pointer_checks): Likewise.
7001 * rtl.h (delete_null_pointer_checks): Declare.
7002 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
7004 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
7005 (merge-blocks_move_successor_nojumps): Likewise.
7006 (merge_blocks): Allow merging of some blocks, even if it requires
7007 physical movement of the blocks, but not if it requires new jumps.
7009 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
7010 Callers and prototype changed.
7011 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
7013 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7015 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
7016 -YP when both -p and -pg are present. From i386/sol2.h.
7018 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7020 * Makefile.in (distclean): Delete tm_p.h.
7021 * configure.in: Create a new file, "tm_p.h", from a list in
7022 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
7023 "i386/i386-protos.h".
7025 * alias.c: Include "tm_p.h".
7026 * c-typeck.c: Likewise.
7027 * calls.c: Likewise.
7029 * emit-rtl.c: Likewise.
7030 * explow.c: Likewise.
7031 * expmed.c: Likewise.
7033 * final.c: Likewise.
7035 * fold-const.c: Likewise.
7036 * function.c: Likewise.
7038 * global.c: Likewise.
7039 * haifa-sched.c: Likewise.
7040 * integrate.c: Likewise.
7042 * local-alloc.c: Likewise.
7044 * optabs.c: Likewise.
7045 * recog.c: Likewise.
7046 * reg-stack.c: Likewise.
7047 * regclass.c: Likewise.
7048 * regmove.c: Likewise.
7049 * reload.c: Likewise.
7050 * reload1.c: Likewise.
7051 * reorg.c: Likewise.
7052 * resource.c: Likewise.
7054 * stor-layout.c: Likewise.
7055 * toplev.c: Likewise.
7057 * unroll.c: Likewise.
7058 * genattrtab.c (main): Make generated file include "tm_p.h".
7059 * genemit.c (main): Likewise.
7060 * genoutput.c (main): Likewise.
7061 * genrecog.c (main): Likewise.
7063 * i386.h: Delete all prototypes.
7064 * i386.c: Include "tm_p.h".
7065 (ix86_attr_length_default): Call constant_call_address_operand
7066 with correct number of arguments.
7067 * i386-protos.h: New file.
7068 * i386.md (unnamed patterns): Call constant_call_address_operand
7069 with correct number of arguments.
7070 (exception_receiver): Call load_pic_register with correct number
7073 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
7075 * c-pragma.c (mark_align_stack): Dereference the void* properly.
7077 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
7079 * rtl.h (insns_safe_to_move_p): New function.
7080 * loop.c (find_and_verify_loops): Use it.
7081 * rtlanal.c (insns_safe_to_move_p): Define it.
7083 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
7085 * c-pragma.c: Include ggc.h.
7086 * Makefile.in (c-pragma.o): Update.
7088 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7090 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
7091 (LIB_SPEC): Likewise.
7092 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
7093 Reindent -YP/-p/-pg.
7094 Copied from config/sparc/sol2.h.
7096 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
7098 * c-pragma.c (mark_align_stack): New.
7100 * c-pragma.h (init_pragma): Declare it.
7101 * c-lex.c (init_parse): Call it.
7103 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7105 * configure.in: Pick up thread library on Solaris/x86 just
7106 like on Solaris/sparc.
7107 * configure: Rebuilt.
7109 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
7111 * rtl.h (global_rtx_index): New enum.
7112 (global_rtl): Change to array of rtx.
7113 (pc_rtx, cc0_rtx): Redefine accordingly.
7114 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
7115 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
7116 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
7117 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
7118 (const_int_rtx): Change to array of rtx.
7119 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
7121 * emit-rtl.c (global_rtl): Change to array of rtx.
7122 (const_int_rtx): Change to aray of rtx.
7123 (gen_rtx_CONST_INT): Redefine accordingly.
7124 (init_emit_once): Allocate and initialize global_rtl. Likewise
7125 for const_int_rtx. Add both as GC roots.
7126 * genattrtab.c (global_rtl): Update declaration.
7128 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
7130 * Makefile (USER_H): Add iso646.h back.
7132 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
7134 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
7135 zapping the LOG_LINKS of sched_before_next_call.
7137 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
7138 * pa.c (insn_refs_are_delayed): Renamed from
7139 insn_sets_and_refs_are_delayed.
7141 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
7143 * functiion.h (struct function): Add x_whole_function_mode_p.
7144 (retrofit_block): Declare.
7145 * function.c (retrofit_block): New function.
7146 (identify_blocks): Add assertions. Allow an incomplete set of
7147 block notes if we're still generating code for the function.
7148 * integrate.c: Include loop.h.
7149 (expand_inline_function): Call find_loop_tree_blocks to map block
7150 notes to blocks when in whole-function mode. Use retrofit_block
7151 to insert new BLOCKs for the inlined function, rather than
7153 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
7154 * Makefile.in (integrate.o): Depend on loop.h.
7156 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
7158 * tree.h (warn_about_unused_variables): Declare.
7159 * stmt.c (warn_about_unused_variables): New function, split out
7161 (expand_end_bindings): Here.
7163 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
7165 * stmt.c (preserve_subexpressions_p): Don't crash when
7166 current_function->stmt is unset.
7168 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
7170 * stmt.c (expand_start_bindings): Allow callers to pass a flag
7171 indicating that no NOTE_INSN_BLOCK_BEG note is required.
7172 (expand_start_target_temps): Use it.
7173 * except.c (expand_eh_region_start_for_decl): Likewise.
7174 * expr.c (expand_expr): Likewise.
7176 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
7178 * fold-const.c (operand_equal_p): Pay attention to side effects.
7180 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
7182 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
7183 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
7185 * tlink.c (scan_linker_output): Look for keywords before accepting
7186 a mangled name in quotes.
7188 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
7190 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
7191 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
7193 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
7195 * alpha.md: Revert Thu Nov 26 change that came in through the
7196 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
7197 Avoid earlyclobber when possible.
7199 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7201 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
7203 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
7204 Define HAVE_ON_EXIT.
7206 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7208 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
7209 CTYPE_CONV in all ctype macros.
7211 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
7214 * cexp.y (initialize_random_junk): Likewise.
7216 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
7218 * i370.c (handle_pragma): Likewise.
7220 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
7222 * v850.c (override_options): Likewise.
7224 * doprint.c (_doprnt): Likewise.
7226 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
7229 * fixinc/server.c (load_data): Likewise.
7231 * fold-const.c (real_hex_to_f): Likewise.
7233 * genattr.c (write_upcase, gen_attr): Likewise.
7235 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
7236 write_upcase): Likewise.
7238 * genemit.c (print_code): Likewise.
7240 * genopinit.c (gen_insn): Likewise.
7242 * genpeep.c (print_code): Likewise.
7244 * genrecog.c (print_code): Likewise.
7246 * optabs.c (init_libfuncs): Likewise.
7248 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
7250 * haifa-sched.c (sched_analyze): Keep the list of notes organized
7252 (reemit_notes): Likewise.
7254 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
7256 * ggc.h (ggc_root): Move to ggc-common.c.
7258 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
7259 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
7260 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
7261 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
7262 * ggc-common.c (ggc_root): Move from ggc.h.
7263 (roots): Declare, static.
7264 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
7265 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
7266 null or check/set mark bit.
7267 (ggc_mark_roots): New.
7268 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
7270 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
7272 * m32r.c: Include toplev.h.
7273 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
7274 (gen_compare): Rename swap_p to must_swap to match uses.
7275 Add default abort case.
7276 (m32r_output_function_epilogue): Remove unused variables.
7277 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
7278 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
7279 define to empty parameter list. Update all uses.
7280 (predicate decls): Use enum machine_mode not int.
7281 * m32r.md (movsi): Call abort, not fatal_insn.
7282 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
7284 1999-09-14 Andrew Haley <aph@cygnus.com>
7286 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
7287 use $0 instead of 0.
7289 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7291 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
7292 computation out of loop over hard regs.
7294 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
7296 * function.c (identify_blocks): Don't shadow a variable in an
7298 * integrate.c (integrate_decl_tree): Don't use pushlevel,
7299 pushdecl, or poplevel to build up the new BLOCK tree.
7300 (expand_inline_function): Likewise.
7301 (integrate_parm_decls): Likewise.
7303 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
7305 * c-typeck.c (qualify_type): Merge qualifiers from both types.
7307 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
7309 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
7310 * invoke.texi: Document this change.
7312 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
7314 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
7316 (mark_emit_status): Renamed from mark_emit_state.
7317 * except.c (mark_eh_status): Renamed from mark_eh_state.
7318 Check not null before marking.
7319 (free_eh_status): New.
7320 * expr.c (mark_expr_status, free_expr_status): New.
7321 * function.c (free_machine_status): New.
7322 (free_after_parsing): New.
7323 (free_after_compilation): Move bits to free_after_parsing; call
7324 free_eh_status, free_expr_status; zero the marked members of the
7326 (prepare_function_start): No can_garbage_collect.
7327 Call init_eh_for_function.
7328 (expand_dummy_function_end): Free up current_function state.
7329 (mark_function_status): Renamed from mark_function_state.
7330 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
7331 * function.h (struct function): No can_garbage_collect.
7332 (free_machine_status, free_after_parsing): Declare.
7333 (free_eh_status, free_expr_status): Declare.
7334 * ggc.h (mark_expr_status): Declare.
7335 * stmt.c (free_stmt_status): Free the struct.
7336 (mark_stmt_status): Renamed from mark_stmt_state.
7337 (init_stmt): Don't call init_eh.
7338 (init_stmt_for_function): Don't call init_eh_for_function.
7339 * toplev.c (compile_file): Call init_eh.
7340 (rest_of_compilation): Free basic block info before ggc_collect.
7341 Call free_after_parsing; conditionally call free_after_compilation.
7342 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
7343 Check not null before marking.
7344 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
7346 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
7348 * c-lex.c (yylex): Initialize warn.
7350 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
7352 * pa.c (emit_move_sequence): Properly set the mode of the scratch
7353 register when performing secondary reloads for the SAR register.
7355 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
7357 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
7358 (NOTE_BLOCK): New macro.
7359 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
7360 * function.h (identify_blocks): Change prototype.
7361 * function.c (identify_blocks): Simplify.
7362 (reorder_blocks): Likewise.
7363 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
7364 NOTE_INSN_BLOCK_{BEG,END}.
7365 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
7366 the list of saved notes if the note isn't a
7367 NOTE_INSN_BLOCK_{BEG,END}.
7368 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
7370 (reemit_notes): Adjust recreation of notes to reflect new saved
7372 * print-rtl.c (print_rtx): Print the address of the BLOCK when
7373 printing a block note.
7374 * stmt.c (block_vector): Remove.
7375 (find_loop_tree_blocks): Simplify.
7376 (unroll_block_trees): Likewise.
7377 * tree.h (reorder_block): Change prototype.
7379 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
7381 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
7382 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
7383 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
7384 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
7385 (atexit, exit): Simplify.
7386 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
7387 * config/lots: Remove defns of HAVE_ATEXIT.
7389 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
7391 * calls.c (precompute_arguments): Fix typo in comment.
7392 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
7395 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
7397 * dsp16xx.c (override_options): Fix typos in GC root registration.
7399 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
7401 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
7403 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
7404 (FUNCTION_PROFILER): Redefine appropriately for Linux.
7405 (CC1_SPEC): Likewise.
7407 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7409 * genattr.c (main): Add extern prototype. Call return, not exit.
7410 * genattrtab.c (main): Likewise.
7411 * gencheck.c (main): Likewise.
7412 * gencodes.c (main): Likewise.
7413 * genconfig.c (main): Likewise.
7414 * genemit.c (main): Likewise.
7415 * genextract.c (main): Likewise.
7416 * genflags.c (main): Likewise.
7417 * gengenrtl.c (main): Likewise.
7418 * genopinit.c (main): Likewise.
7419 * genoutput.c (main): Likewise.
7420 * genpeep.c (main): Likewise.
7421 * genrecog.c (main): Likewise.
7423 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
7424 * genattrtab.c (get_insn_name): Likewise.
7425 * gencodes.c (get_insn_name): Likewise.
7426 * genconfig.c (get_insn_name): Likewise.
7427 * genemit.c (get_insn_name): Likewise.
7428 * genextract.c (get_insn_name): Likewise.
7429 * genflags.c (get_insn_name): Likewise.
7430 * genopinit.c (get_insn_name): Likewise.
7431 * genpeep.c (get_insn_name): Likewise.
7433 * gencheck.c (usage): Add static prototype.
7434 * genextract.c (print_path): Constify a char*.
7435 * genopinit.c (optabs): Likewise.
7436 * genoutput.c (operand_data, data, output_predicate_decls,
7437 compare_operands): Likewise.
7438 * genrecog.c (write_tree): Add default case in switch.
7440 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7442 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
7444 * print-rtl.c (get_insn_name): Remove prototype.
7446 * toplev.h (progname): Declare const.
7448 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
7449 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
7450 dump_sched_info, dump_local_alloc, regset_release_memory,
7451 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
7452 error_with_file_and_line, error_with_decl, error_for_asm, error,
7453 fatal, warning_with_file_and_line, warning_with_decl, warning,
7454 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
7455 Remove redundant prototypes.
7457 (notice, check_lang_option, report_file_and_line, vnotice,
7458 mark_file_stack): Add static prototype.
7459 (set_fatal_function): Add prototype.
7460 (vnotice, report_file_and_line, set_fatal_function,
7461 check_lang_option): Constify a char*.
7462 (main): Prototype. Call return, not exit.
7464 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7466 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
7468 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
7470 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
7472 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
7474 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7476 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
7477 behave as if it's zero in all cases.
7478 (expand_function_start): Adjust call to assign_parms.
7479 * tree.h (assign_parms): Adjust prototype.
7480 * objc/objc-act.c (hack_method_prototype): Adjust call to
7483 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
7485 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
7486 arg_pointer_rtx fixed if the argument pointer register is
7488 (NONZERO_BASE_PLUS_P): Likewise.
7490 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
7492 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
7493 match_insn2 to match_insn.
7494 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
7496 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
7498 * Makefile.in (USER_H): Remove va-foo.h.
7500 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
7501 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
7502 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
7503 va-spur.h,va-v850.h}: Remove.
7505 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
7507 * sparc/sparc.md (eligible_for_return_delay): New attribute.
7508 (in_return_delay): Use it instead of match_insn.
7510 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7512 * config/alpha/va_list.h (va-alpha.h): Do not include.
7513 (__gnuc_va_list): Typedef as in varargs.h.
7515 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
7517 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
7518 DECL_LIVE_RANGE_RTL.
7520 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
7522 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
7523 not NOTE_BLOCK_NUMBER.
7524 (expand_eh_region_end): Likewise.
7525 (find_exception_handler_labels): Likewise.
7526 (scan_region): Likewise.
7527 (exception_optimize): Likewise.
7528 (update_rethrow_references): Likewise.
7529 (set_insn_eh_region): Likewise.
7530 * final.c (final_scan_insn): Likewise.
7531 * flow.c (make_edges): Likewise.
7532 * integrate.c (expand_inline_function): Likewise.
7533 * print-rtl.c (print_rtx): Likewise.
7535 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
7537 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
7538 terms of builtin functions and types.
7540 * mips.c (mips_build_va_list): New.
7541 (mips_va_start, mips_va_arg): New.
7542 * mips.h (BUILD_VA_LIST_TYPE): New.
7543 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7545 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
7546 (sh_build_va_list, sh_va_start, sh_va_arg): New.
7547 * sh.h (BUILD_VA_LIST_TYPE): New.
7548 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
7550 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
7552 * recog.h (struct recog_data): Make dup_num, operand_address_p,
7553 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
7554 (struct insn_data): Likewise with n_operands, n_dups,
7555 n_alternatives, output_format.
7556 * regclass.c (scan_one_insn): Cast n_operands to int before
7557 arithmetic inside comparison.
7559 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
7561 * toplev.c (compile_function): Unconditionally emit nop.
7563 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7565 * haifa-sched.c (actual_hazard): Move declaration of variable
7566 `this_cost' into the scope where it is used.
7568 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7570 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
7571 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
7572 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
7574 * genrecog.c (make_insn_sequence): Call memset, not bzero.
7576 * jump.c (find_insert_position): Don't declare or define unless
7577 !HAVE_conditional_arithmetic.
7578 (returnjump_p_1, delete_prior_computation): Add static prototypes.
7580 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
7582 * recog.c (offsettable_address_p): Prototype function pointer.
7583 (preprocess_constraints): Call memset, not bzero.
7585 * tree.c (tree_node_kind_names): Constify a char*. Make static.
7586 (gcc_obstack_init): Don't declare.
7587 (fix_sizetype): Add static prototype.
7588 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
7589 (tree_cons): Call memset, not bzero.
7591 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
7592 definition in macro ASM_WEAKEN_LABEL.
7593 (mark_const_hash_entry): Add static prototype.
7595 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7597 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
7599 * unroll.c (find_common_reg_term, subtract_reg_term,
7600 loop_find_equiv_value): Add static prototypes.
7601 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
7602 (copy_loop_body): Remove unreachable break statement.
7604 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
7606 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
7608 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7610 Undo some changes from the gcc2 merge:
7611 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
7612 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
7616 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
7617 * emit-rtl.c (gen_lowpart_common): Disable optimization of
7618 initialized float-int union if the value is a NaN.
7620 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
7622 * gthr-win32.h: New file.
7624 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
7625 shared as a valid attribute.
7626 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
7627 * extend.texi: Document `shared' variable attribute.
7629 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
7631 * configure.in: Handle --enable-threads on FreeBSD.
7632 * configure: Rebuit.
7634 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
7636 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
7638 * configure: Rebuilt.
7640 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
7641 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
7642 Rosimildo DaSilva <rdasilva@connecttel.com>
7644 * configure.in (m68k-*-rtemscoff*): Added.
7645 * configure.in (mips64orion-*-rtems*): Converted to ELF.
7646 * configure.in (sparc-*-rtemsaout*): Added as alias for old
7647 sparc-rtems configuration.
7648 * configure.in (sparc-*-rtemself*): Added.
7649 * configure.in (sparc-*-rtems*): Now ELF not a.out.
7650 * config/i386/rtems.h: Added comment.
7651 * config/sparc/rtemself.h: New file.
7653 * configure.in (m68k-rtemself): Added.
7654 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
7655 and DWARF_DEBUGGING_INFO.
7656 * config/m68k/crti.s: New file.
7657 * config/m68k/crtn.s: New file.
7658 * config/m68k/t-crtstuff: New file.
7659 * config/m68k/rtemself.h: New file.
7661 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
7662 global ctor/dtor and C++ exception handling.
7663 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
7664 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
7666 * config/i386/t-rtems-i386: New File.
7668 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
7670 * stmt.c (expand_end_case): Return right away if the case stack is
7673 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
7675 * Makefile.in (version.c): Remove rule incorrectly brought in from
7678 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
7680 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
7681 * msdos/top.sed: Take into account a prepended $(SHELL) to
7683 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
7685 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
7687 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7689 * regmove.c (fixup_match_1): Don't change an unchanging register.
7690 (stable_but_for_p): Renamed to:
7691 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
7692 Changed all callers.
7694 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
7696 * loop.c (strength_reduce): Don't call reg_used_between_p if the
7697 insn from BL2 is after the insn from BL.
7699 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
7701 * recog.h (INSN_OUTPUT_FORMAT_*): New.
7702 (struct insn_data): Merge `template' and `outfun' into `output'.
7703 Add `output_format'.
7704 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
7705 (struct data): Remove `outfun'; add `output_format'.
7706 (name_for_index): Remove declaration.
7707 (output_insn_data): Handle output formats.
7708 (process_template): Emit the bare array for @.
7709 (gen_expand, gen_split): Set output_format to NONE.
7710 * output.h (get_insn_template): Declare.
7711 * final.c (get_insn_template): New.
7712 (final_scan_insn): Use it.
7713 * toplev.c (compile_file): Likewise.
7715 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7716 * i860/i860.c (output_delayed_branch): Likewise.
7717 (output_delay_insn): Likewise.
7719 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7721 * rtl.c (obstack_alloc_rtx): Removed.
7723 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
7725 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
7727 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7729 * i386.c (call_insn_operand): Reject const_int.
7730 (expander_call_insn_operand): Use call_insn_operand.
7732 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7734 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
7736 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
7738 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
7739 Use DImode operation.
7741 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
7743 * gcc.c: Include sys/resource.h.
7744 (report_times): New flag.
7745 (execute): If report_times is set, calculate and report the
7746 CPU time consumed by each subprocess.
7748 (rus, prus): New globals.
7749 (option_map): Add --time.
7750 (display_help): Document -time.
7751 (process_command): Set report_times if -time is given.
7752 Turn off -pipe if -time is given.
7754 * invoke.texi: Document new option -time.
7756 * configure.in: Check for getrusage. Check if we have to
7757 prototype getrusage.
7758 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
7759 * configure: Regenerate.
7760 * config.in: Regenerate.
7762 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
7764 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
7767 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
7769 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
7770 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
7771 (nan): Return _thenan_sf or _thenan_df as appropriate.
7772 (L_thenan_sf): Define _thenan_sf.
7773 (L_thenan_df): Define _thenan_df.
7775 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
7776 (DPBIT_FUNCS): Add _thenan_df.
7778 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
7780 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
7783 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7785 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
7788 (lang_specific_driver): Don't take a function pointer parameter.
7789 All callers changed.
7791 * gcc.c: Include gcc.h.
7792 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
7793 lang_specific_extra_outfiles, fatal): Don't declare.
7794 (multilib_defaults_raw): Constify.
7795 (read_specs): Call memset, rather than bzero.
7796 (main): Call return, not exit.
7797 (lookup_compiler): Call memcpy, not bcopy.
7798 (fatal): Make extern.
7800 * cppspec.c: Include gcc.h.
7801 (lang_specific_driver): Initialize variable `quote'. Constify a
7802 char*. All calls to the function pointer parameter now
7803 explicitly call `fatal'.
7805 * gccspec.c (lang_specific_driver): Include gcc.h.
7807 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
7809 * arm.c (note_invalid_constants): Use recog_data.operand_type
7812 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7814 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
7817 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
7818 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7819 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7820 reload_secondary_in_reload, reload_secondary_out_reload,
7821 reload_secondary_in_icode, reload_secondary_out_icode,
7822 reload_reg_rtx, reload_when_needed): Delete declarations.
7823 (struct reload): New structure.
7824 (rld): Declare new array.
7825 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
7826 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
7827 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
7828 reload_secondary_in_reload, reload_secondary_out_reload,
7829 reload_secondary_in_icode, reload_secondary_out_icode,
7830 reload_reg_rtx, reload_when_needed): Delete definitions.
7832 (whole file): Replace uses of the deleted arrays with uses of rld.
7833 * reload1.c (whole file): Replace uses of the deleted arrays with
7835 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
7836 explicit loops, not with bcopy.
7838 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
7840 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
7841 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
7842 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
7843 insn_name): Delete and consolidate into new structures.
7844 (insn_operand_predicate_fn): New.
7845 (insn_output_fn): New.
7847 (struct insn_operand_data): New.
7848 (struct insn_data): New.
7850 (OUT_FCN): Update for insn_data change.
7851 * builtins.c (expand_builtin_strlen): Likewise.
7852 (expand_builtin_memcmp): Likewise.
7853 * combine.c (make_extraction, simplify_comparison): Likewise.
7854 * cse.c (canon_reg, cse_insn): Likewise.
7855 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
7856 * expmed.c (store_bit_field, extract_bit_field): Likewise.
7857 (emit_store_flag): Likewise.
7858 * expr.c (convert_move, emit_block_move): Likewise.
7859 (clear_storage, emit_push_insn, expand_increment): Likewise.
7860 (do_store_flag): Likewise.
7861 * expr.h (GEN_FCN): Likewise.
7862 (insn_gen_function): Die.
7863 * final.c (final_scan_insn): Update for insn_data change.
7864 (output_asm_name): Likewise.
7865 * function.c (fixup_var_refs_1): Likewise.
7866 * loop.c (check_dbra_loop): Likewise.
7867 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
7868 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
7869 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
7870 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
7871 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
7872 * regmove.c (gen_add3_insn): Likewise.
7873 * reload.c (push_secondary_reload, combine_reloads): Likewise.
7874 (find_reloads, find_reloads_address_1): Likewise.
7875 (debug_reload_to_stream): Likewise.
7876 * reload1.c (emit_reload_insns, gen_reload): Likewise.
7877 * stmt.c (expand_end_case): Likewise.
7878 * toplev.c (compile_file): Likewise.
7880 * c4x/c4x.c (c4x_process_after_reload): Likewise.
7881 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7883 * print-rtl.c (insn_name_ptr): Remove declaration.
7884 (get_insn_name): Declare.
7885 (print_rtx): Use it.
7886 * genoutput.c (insn_name_ptr): Remove.
7887 (next_operand_number): New.
7888 (struct operand_data): New.
7889 (null_operand, odata, odata_end): New.
7890 (struct data): Use struct operand_data.
7891 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
7892 (get_insn_name): Renamed from name_for_index.
7893 (output_prologue): Define NO_MD_PROTOTYPES.
7894 (output_predicate_decls): Break out from output_epilogue.
7895 Iterate over the operands list.
7896 (output_operand_data): Break out from output_epilogue. Emit
7897 just the operands list.
7898 (output_insn_data): Break out from output_epilogue. Emit just
7900 (output_epilogue): Remove.
7901 (output_get_insn_name): New.
7902 (constraints, op_n_alternatives, predicates, address_p): Die.
7903 (modes, strict_low, seen): Die.
7904 (scan_operands): Take new param `d' instead of writing to
7905 seven global variables.
7906 (compare_operands): New.
7907 (place_operands): New.
7908 (validate_insn_alternatives): Update for struct data change.
7909 (gen_insn): Don't zero or copy 7 global arrays. Update for
7910 scan_operands; call place_operands.
7911 (gen_peephole, gen_expand, gen_split): Likewise.
7912 (main): Update for new output routines.
7914 * genattr.c (insn_name_ptr): Remove.
7915 (get_insn_name): New function.
7916 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
7917 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
7918 * genrecog.c: Likewise.
7920 * alpha.md (adddi3): Make `pattern' array static.
7922 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7924 * config/c4x/c4x.h (c4x_rpts_cycles_string,
7925 c4x_cpu_version_string): Constify char *.
7926 * config/c4x/c4x.c (c4x_rpts_cycles_string,
7927 c4x_cpu_version_string): Likewise.
7929 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
7931 * tree.c (save_tree_status): Revert 10 Sep change.
7932 (restore_tree_status): Likewise. Call obstack_free with NULL
7933 before freeing the obstack proper.
7935 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
7937 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
7939 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
7940 surrounding context.
7942 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
7944 * tree.c (type_hash_canon): Put all types in the hash-table, when
7947 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
7949 * recog.h (struct recog_data, recog_data): New.
7950 (recog_foo variables): Kill.
7951 * recog.c (recog_operand, recog_operand_loc): Kill.
7952 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
7953 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
7954 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
7955 (recog_data): Define.
7956 (extract_insn): Update all recog_foo references to use recog_data.
7957 (preprocess_constraints, constrain_operands): Likewise.
7958 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
7959 * genattrtab.c (main): Likewise.
7960 * genextract.c (main): Likewise.
7961 * genoutput.c: Likewise.
7962 * genrecog.c (write_subroutine, main): Likewise.
7963 * local-alloc.c (block_alloc): Likewise.
7964 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
7965 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
7966 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
7967 * reload.c (find_reloads, find_reloads_toplev): Likewise.
7968 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
7969 (reload_cse_simplify_operands): Likewise.
7971 * arc/arc.c (arc_final_prescan_insn): Likewise.
7972 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
7973 * h8300/h8300.c (notice_update_cc): Likewise.
7974 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
7975 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
7976 * mn10200/mn10200.c (notice_update_cc): Likewise.
7977 * mn10300/mn10300.c (notice_update_cc): Likewise.
7978 * romp/romp.c (update_cc): Likewise.
7979 * sparc/sparc.c (check_pic): Likewise.
7980 * v850/v850.c (notice_update_cc): Likewise.
7982 * genemit.c (main): Don't declare recog_operand.
7984 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
7986 * ggc.h (rtvec_def): Forward declare.
7987 (tree_node): Likewise.
7990 (ggc_set_mark_rtx): Add prototype.
7991 (ggc_set_mark_rtvec): Likewise.
7992 (ggc_set_mark_tree): Likewise.
7993 * ggc-simple.c (ggc_root): Don't define.
7994 (roots): Don't declare.
7995 (ggc_mark_rtx): Remove.
7996 (ggc_mark_rtvec): Likewise.
7997 (ggc_mark_tree): Likewise.
7998 (ggc_mark_varray): Likewise.
7999 (ggc_mark_tree_hash_table_entry): Likewise.
8000 (ggc_mark_tree_hash_table): Likewise.
8001 (ggc_set_mart_rtx): New function.
8002 (ggc_set_mark_rtvec): Likewise.
8003 (ggc_set_mark_tree): Likewise.
8004 (ggc_add_root): Remove.
8005 (ggc_add_rtx_root): Likewise.
8006 (ggc_remove_tree_root): Likewise.
8007 (ggc_add_string_root): Likewise.
8008 (ggc_add_tree_varray_root): Likewise.
8009 (ggc_add_tree_hash_table_root): Likewise.
8010 (ggc_del_root): Likewise.
8011 (ggc_mark_rtx_ptr): Likewise.
8012 (ggc_mark_tree_ptr): Likewise.
8013 (ggc_mark_string_ptr): Likewise.
8014 (ggc_mark_tree_varray_ptr): Likewise.
8015 (ggc_mark_tree_hash_table_ptr): Likewise.
8016 * ggc-common.c: New file.
8017 * Makefile.in (OBJS): Add ggc-common.o.
8018 (ggc-common.o): List dependencies.
8020 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
8022 * cppalloc.c (xstrdup): Use memcpy.
8023 * cpperror.c (cpp_print_containing_files): Don't use
8025 * cpplib.c (conditional_skip): Set temp->lineno.
8026 (do_endif): Make error message less obscure.
8027 (if_directive_name): New function.
8028 (cpp_get_token [case EOF]): Unwind the if stack and generate
8029 error messages for each unterminated conditional in this file.
8030 (parse_string): Do not behave differently if -traditional.
8032 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
8034 * builtins.c (expand_builtin_va_arg): Cope with an array-type
8035 va_list decomposing to pointer-type.
8036 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
8037 (rs6000_va_arg): Likewise.
8039 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
8041 * except.c (start_dynamic_handler): Compute size using
8042 STACK_SAVEAREA_MODE.
8044 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8046 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
8047 include directory headers. Don't define strrchr. Don't provide
8048 my_* replacement functions. Prefer PTR over `pointer_type'.
8049 Don't prototype system functions. Don't redefine getopt.
8051 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
8052 safe_read, safe_write, save_pointers, restore_pointers,
8053 is_id_char, in_system_include_dir, directory_specified_p,
8054 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
8055 find_corresponding_lparen, referenced_file_is_newer,
8056 save_def_or_dec, munge_compile_params, gen_aux_info_file,
8057 process_aux_info_file, identify_lineno, check_source,
8058 seek_to_line, forward_to_next_token_char, output_bytes,
8059 output_string, output_up_to, other_variable_style_function,
8060 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
8061 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
8062 find_static_definition, connect_defs_and_decs, add_local_decl,
8063 add_global_decls, needs_to_be_converted, visit_each_hash_node,
8064 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
8065 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
8066 scan_for_missed_items, edit_file, string_list_cons): Add static
8068 (standard_exec_prefix, target_machine, target_version,
8069 default_syscalls_dir, string_list, string_list_cons, find_file,
8070 do_cleaning): Constify a char*.
8071 (safe_read, safe_write): Use PTR, not a char*.
8072 (is_id_char): Take an int, not a char.
8073 (main): Add prototype. Call return, not exit.
8075 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
8077 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
8078 when comparing types.
8080 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
8082 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
8083 (strength_reduce): Release the varrays from the no-bivs early exit.
8085 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
8086 the loop over the registers.
8088 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
8090 (restore_tree_status): Check that instead when freeing the obstack.
8092 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
8094 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
8097 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8099 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
8100 operand size modifiers.
8102 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8104 * c-common.c (c_common_nodes_and_builtins): Don't build
8106 * c-common.h (enum c_tree_index and related accesor macros): Remove
8107 everything now declared in tree.h.
8108 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8109 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
8110 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
8111 (error_mark_node, void_type_node, char_type_node, integer_type_node,
8112 unsigned_type_node, ptr_type_node, va_list_type_node,
8113 integer_zero_node, null_pointer_node, integer_one_node): Delete.
8114 (init_decl_processing): Call build_common_tree_nodes and
8115 build_common_tree_nodes_2 instead of building their nodes here.
8116 Don't add roots for these nodes.
8117 * stor-layout.c (size_zero_node, size_one_node): Delete.
8118 (set_sizetype): Make a new node for bitsizetype each time.
8119 * tree.c (global_trees): New variable.
8120 (init_obstacks): Add a gc root for it.
8121 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8122 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
8123 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
8124 (build_common_tree_nodes): New function.
8125 (fix_sizetype): New function.
8126 (build_common_tree_nodes_2): New function.
8127 * tree.h (enum tree_index): New.
8128 (global_trees): Declare.
8129 Add accessor macros for all nodes now moved to global_trees.
8130 Delete their declarations.
8132 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
8134 * c-decl.c (finish_function): When processing a nested function,
8135 push and pop GC context around rest_of_compilation.
8137 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
8139 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
8140 Default ix86_arch to PROCESSOR_I386.
8141 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
8142 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
8143 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
8144 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
8145 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
8146 (EXTRA_SPECS): Remove deleted specs.
8148 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
8150 * function.c (assign_stack_local_1): Allocate from
8151 function->x_frame_offset, not frame_offset.
8153 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
8155 * ggc.h (lang_cleanup_tree): Remove.
8156 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
8157 * ggc-callbacks.c (lang_cleanup_tree): Remove.
8159 * c-decl.c (finish_struct): Use ggc_alloc to allocate
8160 TYPE_LANG_SPECIFIC when garbage collecting.
8161 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
8162 (lang_cleanup_tree): Remove.
8164 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
8166 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
8167 * crtstuff.c: Not here.
8168 * dwarf2out.c: Or here.
8169 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
8172 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
8174 * function.h (free_after_compilation): Remove decl parameter.
8175 (free_varasm_status0: Likewise.
8176 (free_emit_status): Likewise.
8177 (free_stmt_status): Likewise.
8178 (free_after_compilation): Likewise.
8179 (init_lang_status): New variable.
8180 (free_lang_status): Likewise.
8181 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
8182 * function.c (init_lang_status): New variable.
8183 (free_lang_status): Likewise.
8184 (push_function_context_to): Don't set function::decl here.
8185 (free_after_copmilation): Make decl parameter implicit. Call
8186 free_lang_status if defined.
8187 (prepare_function_start): Call init_lang_status if defined.
8188 (init_function_start): Set function::decl here.
8189 * profile.c (output_func_start_profiler): Don't call pushdecl
8190 until we've actually started the function.
8191 * stmt.c (free_stmt_status): Make decl parameter implicit.
8192 * toplev.c (rest_of_compilation): Don't pass decl to
8193 free_after_compilation.
8194 * varasm.c (free_varasm_status): Likewise.
8196 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8198 * except.c (call_get_eh_context): Add root when allocating static
8201 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
8203 * arm.c: Include "ggc.h".
8204 (arm_add_gc_roots): New function.
8205 (arm_override_options): Call it.
8206 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
8208 * arm.md (define_asm_attributes): Add a pool_range attribute.
8210 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
8212 * extend.texi (Volatiles): New node.
8214 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
8216 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
8217 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
8218 (struct ggc_any): Replace `mark' with `magic_mark'.
8219 (ggc_alloc_string): Use memcpy, not bcopy.
8220 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
8221 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
8222 (ggc_free_any): New.
8223 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
8224 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
8225 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
8226 Use IS_MARKED. Use ggc_free_any.
8228 1999-09-09 Scott Bambrough <scottb@netwinder.org>
8230 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
8232 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
8234 * toplev.c (main): Always init_ggc.
8236 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
8238 * except.c (find_all_handler_type_matches): Free the list if
8239 we found no matches.
8241 * combine.c (SUBST): Break out to a real function do_SUBST.
8242 (SUBST_INT): Likewise.
8243 * gcse.c (free_pre_mem): Free `temp_bitmap'.
8244 (pre_insert): Free `inserted'.
8245 * loop.c (basic_induction_var): Always set `location'.
8247 * function.c (expand_function_end): Add initial_trampoline as a root.
8248 * rtl.h (init_varasm_once): Declare.
8249 * toplev.c (compile_file): Call it.
8250 * ggc-simple.c (ggc_mark_string_ptr): New.
8251 (ggc_add_string_root): New.
8252 (ggc_collect): Disable collection avoidance temporarily.
8253 * ggc.h (ggc_add_string_root): Declare.
8254 * except.c (create_rethrow_ref): Use ggc_alloc_string.
8255 * optabs.c (init_libfuncs): Likewise.
8256 * varasm.c (named_section): Use ggc_alloc_string.
8257 (make_function_rtl): Likewise.
8258 (make_decl_rtl): Likewise.
8259 (assemble_static_space): Likewise.
8260 (assemble_trampoline_template): Likewise.
8261 (output_constant_def): Likewise.
8262 (force_const_mem): Likewise.
8263 (mark_const_hash_entry): New.
8264 (mark_pool_sym_hash_table): New.
8265 (mark_varasm_state): Use it.
8266 (init_varasm_once): New.
8268 * expr.h (init_one_libfunc): Declare.
8269 * optabs.c (init_one_libfunc): New.
8270 (init_optabs): Use it.
8271 * config/gofast.h: Likewise.
8272 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
8273 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
8275 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
8277 * Makefile.in (cppexp.o): Depend on cpphash.h.
8278 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
8280 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
8281 * cpplib.c (do_define): Generalise to handle poisoned definitions,
8282 redefining poisoned identifiers, etc.
8283 (do_undef): Don't allow poisoned identifiers to be undefined.
8284 (do_pragma): Add #pragma poison.
8285 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
8287 * cccp.c: Add T_POISON node type.
8288 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
8290 (do_define): Generalise to handle poisoned definitions,
8291 redefining poisoned identifiers, etc.
8292 (do_undef): Don't allow poisoned identifiers to be undefined.
8293 (do_pragma): Add #pragma poison.
8294 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
8296 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
8297 * c-pragma.h: Add ps_poison state. We now always have generic
8300 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
8302 * ggc.h (ggc_alloc): New function.
8303 (ggc_mark): Likewise.
8304 * ggc-simple.c (ggc_any): New structure.
8305 (ggc_status): Add anys.
8306 (n_anys_collected): New variable.
8307 (ggc_alloc): Define.
8308 (ggc_mark): Likewise.
8309 (ggc_collect): Collect the anys.
8311 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8313 * c-decl.c (mark_binding_level): Make static to match prototype.
8315 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
8317 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
8319 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
8321 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
8322 will use into account. Expand the max width to 5.
8325 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
8327 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
8330 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
8332 * alpha.md (call value patterns): Remove the result predicates.
8334 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
8336 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
8339 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8341 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
8342 changed from extern char *, to extern PTR. Also fix typo in
8343 NEED_DECLARATION_REALLOC test.
8345 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
8347 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8349 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
8350 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
8351 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
8352 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
8354 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
8356 * cccp.c (pcfinclude): Likewise.
8358 * global.c (allocno_compare): Likewise.
8360 * haifa-sched.c (rank_for_schedule): Likewise.
8362 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
8364 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
8366 * stupid.c (stupid_reg_compare): Likewise.
8368 * tree.c (_obstack_allocated_p): Likewise.
8370 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
8372 1999-09-08 Bruce Korb autogen@linuxbox.com
8374 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
8375 why "gperf -F" fails.
8376 * gcc/cp/Makefile.in: ditto
8377 * gcc/Makefile.in: ditto
8378 * gcc/java/Makefile.in: ditto
8380 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
8382 * lists.c: Include ggc.h.
8384 (init_EXPR_INSN_LIST_cache): Install it.
8386 * ggc-simple.c (init_ggc): Absorb the old init.
8387 (ggc_push_context): Use xcalloc.
8388 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
8389 (ggc_collect): Add [rvts] tags to the collection stats.
8391 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
8393 * cccp.c (main): Fix handling of -include and -imacros options.
8395 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
8397 * cpplib.c (cpp_push_buffer): Fix order of arguments.
8399 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8401 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
8404 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8406 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
8407 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
8408 and SET_DEST. Update comment.
8410 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8412 * config/c4x/c4x.c: Include ggc.h.
8413 (c4x_add_gc_roots): New function.
8414 (c4x_override_options): Call c4x_add_gc_roots.
8416 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
8418 * defaults.h (TARGET_ESC): Move ...
8419 * system.h: ... here, where Linas had it in the first place. Silly me.
8421 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
8423 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
8424 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
8425 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
8426 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
8427 * defaults.h (TARGET_ESC): Add default.
8429 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
8431 * configure.in: add i370-*-openedition, i370-*-mvs and
8432 i370-*-linux targets
8434 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
8436 * dsp16xxx.c: Include ggc.h
8437 (override_options): Mark GC roots.
8438 * mn10200.c: Include ggc.h.
8439 (asm_file_start): Mark GC roots.
8440 * tahoe.c: Include ggc.h.
8441 (extensible_operand): Mark GC roots.
8443 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
8445 * README: Add section discussing status of ELF ABI.
8446 * i370.c: Fix misc spelling mistakes.
8447 (i370_label_scan): Updated notes, exception handling.
8448 (i370_function_prolog): Simplify ELF stack handling.
8449 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
8450 (STACK_GROWS_DOWNWARD): ELF stack grows down.
8451 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
8452 * i370.md: (movdi): Add notes.
8453 (floatsidf2): Use stack not rtca for scratch float area.
8454 (iorsi3): Correct operand constraints.
8455 * x-oe: Restore TAROUTOPTS which are used by pax.
8457 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
8459 * rs6000.c: Include ggc.h.
8460 (rs6000_add_gc_roots): New function.
8461 (override_options): Call it.
8463 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
8465 * alpha.h (alpha_compare): New.
8466 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
8467 * alpha.c: Likewise for the definitions.
8468 (alpha_emit_conditional_branch): Update for alpha_compare.
8469 (alpha_emit_conditional_move): Likewise.
8470 * alpha.md (cmpdf, cmpdi): Likewise.
8471 (setcc patterns): Likewise. Zero alpha_compare after use.
8472 (sne): Optimize (x != 0) into (0U < x).
8474 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
8476 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
8477 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
8478 (INIT_EXPANDERS): Remove.
8479 * alpha.c: Include ggc.h.
8480 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
8481 (alpha_init_machine_status, alpha_mark_machine_status): New.
8482 (override_options): Install them.
8483 (struct machine_function): Moved to alpha.h.
8484 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
8485 (alpha_init_expanders): Remove.
8486 (alpha_return_addr): Adjust to use current_function->machine.
8487 (alpha_ra_ever_killed): Likewise.
8488 (alpha_expand_epilogue): Likewise.
8489 * alpha.md (eh_epilogue): Likewise.
8491 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
8492 Melissa O'Neill <oneill@cs.sfu.ca>
8493 Geoffrey Keating <geoffk@cygnus.com>
8495 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
8496 call-used registers (call-saved registers must still be contiguous
8497 and end with r31, of course).
8499 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
8501 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
8502 (self_promoting_type_p): Delete.
8503 (self_promoting_args_p): Move ...
8504 * c-common.c: ... here.
8505 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
8506 (simple_type_promotes_to): New.
8507 * builtins.c (lang_type_promotes_to): New.
8508 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
8509 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
8510 * c-common.h: ... here.
8511 (self_promoting_args_p, simple_type_promotes_to): Declare.
8512 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
8513 (grokdeclarator): Likewise.
8514 * tree.h (lang_type_promotes_to): Declare.
8516 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
8518 Add some machine-dependent GC roots.
8519 * sparc.c: Include ggc.h.
8520 (sparc_add_gc_roots): New function.
8521 (mark_ultrasparc_pipeline_state): Likewise.
8522 (override_options): Call sparc_add_gc_roots.
8523 * pa.c: Include ggc.h.
8524 (pa_add_gc_roots): New function.
8525 (mark_deferred_plabels): Likewise.
8526 (override_options): Call pa_add_gc_roots.
8527 * mips.c: Include ggc.h.
8528 (mips_add_gc_roots): New function.
8529 (override_options): Use it.
8531 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8533 * cpperror.c (cpp_file_line_for_message): Constify a char*.
8535 * cppexp.c (parse_number, parse_charconst, cpp_lex,
8536 cpp_parse_expr): Add static prototypes.
8537 (parse_charconst): Don't cast away const-ness.
8538 (token): Constify a char*.
8540 * cppfiles.c (file_name_list, include_hash, find_include_file,
8541 finclude, initialize_input_buffer): Constify a char*.
8542 (file_cleanup, find_position): Add static prototypes.
8544 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
8545 collect_expansion): Add static prototypes.
8546 (cpp_install, create_definition, monthnames): Constify a char*.
8548 * cpphash.h (cpp_install): Likewise.
8550 * cppinit.c (known_suffixes, default_include,
8551 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
8552 (base_name, dump_special_to_buffer, initialize_dependency_output):
8553 Add static prototypes.
8555 * cpplib.c (my_strerror): Constify a char*.
8556 (null_underflow, null_cleanup, skip_comment, copy_comment,
8557 copy_rest_of_line, handle_directive, pass_thru_directive,
8558 get_directive_token, read_line_number, cpp_print_file_and_line,
8559 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
8560 v_cpp_warning_with_line, detect_if_not_defined,
8561 consider_directive_while_skipping): Add static prototypes.
8562 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
8563 cpp_pedwarn_with_file_and_line): Constify a char*.
8565 * cpplib.h (cpp_options, include_hash, progname, definition,
8566 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
8567 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
8568 find_include_file, deps_output, include_hash): Constify a char*.
8570 * cppmain.c (progname): Constify.
8571 (main): Add prototype. Use return, not exit.
8573 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
8574 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
8575 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
8576 check_protection): Add static prototype.
8578 (progname, recognized_macrom, recognized_extern): Constify a char*.
8579 (main): Add prototype.
8581 * gen-protos.c (progname): Constify a char*.
8583 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
8585 * emit-rtl.c (free_emit_status): Take decl as a parameter.
8586 (init_emit_once): Add more GC roots.
8587 * except.c (mark_func_eh_entry): New function.
8588 (mark_eh_node): Mark false_label and rethrow_label.
8589 (init_eh): Add more GC roots.
8590 * function.c (free_after_compilation): Take decl as a paramter.
8591 Call free_stmt_status.
8592 (mark_function_state): Don't assume x_parm_reg_stack_loc is
8594 * function.h (free_after_compilation): Change prototype.
8595 (free_varasm_status): Likewise.
8596 (free_emit_status): Likewise.
8597 (free_stmt_status): New function.
8598 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
8599 Remove, replacing with ...
8600 (ggc_status): New structure.
8601 (ggc_chain): New variable.
8603 (ggc_push_context): New function.
8604 (ggc_pop_context): Likewise.
8605 (ggc_alloc_rtx): Adjust for use of ggc_chain.
8606 (ggc_alloc_rtvec): Likewise.
8607 (ggc_alloc_tree): Likewise.
8608 (ggc_alloc_string): Likewise.
8609 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
8610 (ggc_mark_tree): Give language-dependent code a chance to mark
8612 (ggc_mark_tree_varray): Handle empty arrays.
8613 (ggc_collect): Adjust for use of ggc_chain. Clear
8614 bytes_alloced_since_last_gc.
8615 * ggc.h (ggc_pop_context): New function.
8616 (ggc_push_context): Likewise.
8617 * print-tree.c (print_node): Don't print obstacks when GC'ing.
8618 * stmt.c (free_stmt_status): New function.
8619 (init_stmt_for_function): Clear last_expr_value.
8620 * toplev.c (rest_of_compilation): Always call free_after_compilation.
8621 Conditionalize call to ggc_collect.
8622 (main): Call init_ggc.
8623 * tree.c (push_obstacks): Do the push, even when GC'ing.
8624 (push_obstacks_nochange): Likewise.
8625 (pop_obstacks): Liekwise.
8626 * varasm.c (free_varasm_status): Take decl as a parameter.
8628 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
8630 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
8631 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
8632 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
8633 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
8635 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
8637 * pa/x-pa-mpeix: New file for the MPE port.
8639 * pa/quadlib.asm: New file for long double support.
8641 * configure.in: Add hppa1.0-*-mpeix for MPE port.
8642 * configure: Rebuilt.
8644 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
8646 * final.c (shorten_branches): Fix last change.
8648 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
8650 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
8652 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
8654 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
8657 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8659 * c-aux-info.c (concat): Don't define.
8661 * cccp.c (my_strerror): Likewise. All callers changed to use
8663 (do_include): Call xstrdup, not xmalloc/strcpy.
8664 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
8665 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
8667 * collect2.c (my_strsignal): Likewise. All callers changed to use
8669 (locatelib): Call xstrdup, not xmalloc/strcpy.
8671 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
8673 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
8675 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
8677 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
8679 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
8681 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
8683 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
8685 (find_all_handler_type_matches): Likewise. Don't check return
8687 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
8688 xmalloc, not malloc.
8689 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
8691 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
8692 (init_spec): Call xcalloc, not xmalloc/bzero.
8693 (set_spec): Call xstrdup, not save_string.
8694 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
8695 (find_a_file): Call xstrdup, not xmalloc/strcpy.
8696 (process_command): Call xstrdup, not save_string.
8697 (main): Call xcalloc, not xmalloc/bzero.
8699 * gcov.c (xmalloc): Don't define.
8700 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
8701 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
8702 (output_data): Call xcalloc, not xmalloc/bzero.
8704 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
8706 * mips-tdump.c (xmalloc): Don't define.
8707 (print_symbol): Call xmalloc, not malloc.
8708 (read_tfile): Call xcalloc, not calloc.
8710 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
8711 Don't define. All callers of xfree/my_strsignal changed to use
8712 free/strsignal instead.
8713 (allocate_cluster): Call xcalloc, not calloc.
8715 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
8716 Fix memory leak, free allocated memory.
8718 * prefix.c (translate_name): Call xstrdup, not save_string.
8719 (update_path): Likewise.
8721 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
8723 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
8724 Don't define. Callers of xfree/savestring2 changed to use
8725 free/concat instead.
8727 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
8728 (init_elim_table): Likewise.
8730 * resource.c (init_resource_info): Likewise.
8732 * stupid.c (stupid_life_analysis): Likewise.
8734 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
8735 (open_dump_file): Call concat, not xmalloc/strcpy/...
8736 (clean_dump_file): Likewise.
8737 (compile_file): Call xstrdup, not xmalloc/strcpy.
8739 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
8741 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
8742 * v850.c (v850_va_arg): New.
8744 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8746 * haifa-sched.c: Tidy comments.
8748 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8750 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
8751 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
8752 $(out_object_file)): Depend on ggc.h.
8753 * c-common.c: Include "ggc.h".
8754 (combine_strings): If doing GC, use ggc_alloc_string.
8755 * c-decl.c: Include "ggc.h".
8756 (ggc_p): Define with value 0.
8757 (mark_binding_level): New function.
8758 (init_decl_processing): Add GC roots.
8759 (mark_c_function_context): New function.
8760 (lang_mark_false_label_stack): New function.
8761 (lang_mark_tree): New function.
8762 (lang_cleanup_tree): New function.
8763 * c-lang.c: Include "ggc.h".
8764 (lang_init): Call c_parse_init.
8765 * c-lex.c: Include "ggc.h".
8766 (check_linenum): If doing GC, don't copy filenames to permanent
8768 * c-parse.in: Include "ggc.h".
8769 (c_parse_init): New function.
8770 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
8771 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
8773 * except.c (mark_eh_state): Mark more state.
8774 * function.c (mark_function_state): Likewise.
8775 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
8776 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
8777 * toplev.c (mark_file_stack): New function.
8778 (compile_file): If doing GC, use ggc_alloc_string on input filename.
8779 (main): Add root for input_file_stack.
8781 * i386.c: Include "ggc.h".
8782 (ix86_mark_machine_status): New function.
8783 (override_options): Set mark_machine_status.
8785 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8787 * tree.c (copy_node): Copy node contents also if doing GC.
8789 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
8791 * collect2.c (scan_libraries): Fix double-thinko :-).
8793 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
8795 * collect2.c (scan_libraries): Fix thinko.
8797 * cse.c (delete_trivially_dead_insns): Do not skip the last
8798 insn if it is a real insn.
8800 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
8802 * Makefile.in (ggc-simple.o): Depend on hash.h.
8803 * ggc.h (ggc_add_tree_hash_table_root): Declare.
8804 (ggc_mark_tree_varray): Likewise.
8805 (ggc_mark_tree_hash_table): Likewise.
8806 * ggc-simple.c: Include hash.h.
8807 (ggc_mark_tree_hash_table_ptr): New function.
8808 (ggc_mark_tree_hash_table_entry): Likewise.
8809 (ggc_mark_tree_hash_table): Likewise.
8810 (ggc_add_tree_hash_table_root): Likewise.
8811 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
8812 rtx, when defining fields.
8814 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8816 * profile.c (output_func_start_profiler): Remove apparently
8817 nonsensical call to start_sequence.
8819 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
8821 * clipper/clipper.c (clipper_va_start): Fix typos.
8823 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
8824 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
8825 (spur_va_arg): New stub.
8827 * configure.in: Comment out pyramid.
8829 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
8831 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
8832 don't conflict with the bits that win32, cygwin, and dgux
8835 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
8836 Bernd Schmidt <bernds@cygnus.co.uk>
8838 * integrate.c (function_cannot_inline_p): Do not inline
8839 functions with forced labels.
8841 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
8842 Bernd Schmidt <bernds@cygnus.co.uk>
8843 Mark Mitchell <mark@codesourcery.com>
8845 * Makefile.in (ggc-simple.o): Depend on varray.h.
8846 (rtl.o): Depend on ggc.h.
8847 (genattrtab.o): Depend on ggc.h.
8848 (print-tree.o): Likewise.
8849 (fold-const.o): Likewise.
8850 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
8851 (make_insn_raw): Don't cache insns when GC'ing.
8852 (emit_insn_before): Likewise.
8853 (emit_insn_after): Likewise.
8854 (emit_insn): Likewise.
8855 (start_sequence): Use xmalloc to allocate the sequence_stack.
8856 (end_sequence): Add free to free it.
8857 (gen_sequence): Don't cache insns when GC'ing.
8858 (clear_emit_caches): Don't use sequence_element_free_list.
8859 (init_emit): Use xcalloc, not xmalloc+bzero.
8860 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
8861 * function.c (pop_function_context_from): Use free to free the
8862 fixup_var_refs_queue.
8863 (put_reg_into_stack): Allocate it with xmalloc.
8864 * genattrtab.c: Include ggc.h.
8865 (operate_exp): Don't use obstack_free when GC'ing.
8866 (simplify_cond): Likewise.
8867 (simplify_text_exp): Likewise.
8868 (optimize_attrs): Likewise.
8869 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
8871 (gencode): Generate a #include for ggc.h.
8872 * ggc-callbacks.c (ggc_p): Define it to zero.
8873 * ggc-none.c (ggc_p): Likewise.
8874 * ggc-simple.c: Include varray.h.
8875 (ggc_mark_tree_varray): New function.
8876 (ggc_add_tree_varray_root): Likewise.
8877 (ggc_mark_tree_varray_ptr): Likewise.
8878 * ggc.h (ggc_p): Declare.
8879 (varray_head_tag): Likewise.
8880 (ggc_add_tree_varray_root): Declare.
8881 * print-tree.c (print_node): Don't check for TREE_PERMANENT
8882 inconsistencies when GC'ing.
8883 * rtl.c: Include ggc.h.
8884 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
8885 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
8886 (rtx_free): Don't call obstack_free when GC'ing.
8887 * toplev.c (rest_of_compilation): Call ggc_collect after every
8889 * tree.c (push_obstacks): Do nothing, if GC'ing.
8890 (pop_obstacks_nochange): Likewise.
8891 (pop_obstacks): Likewise.
8892 (make_node): Use ggc_alloc_tree when GC'ing.
8893 (copy_node): Likewise.
8894 (get_identifier): Use ggc_alloc_string when GC'ing.
8895 (build_string): Likewise.
8896 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
8897 (tree_cons): Likewise.
8899 (type_hash_canon): Don't call obstack_free when GC'ing.
8901 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
8903 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
8904 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
8906 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
8907 Bernd Schmidt <bernds@cygnus.co.uk>
8908 Mark Mitchell <mark@codesourcery.com>
8910 * Makefile.in (stor-layout.o): Depend on ggc.h.
8911 (expr.o): Depend on ggc.h.
8912 (profile.o): Depend on ggc.h.
8913 (stor-layout.o): Depend on ggc.h.
8914 * emit-rtl.c (init_emit_once): Add gc roots.
8915 * expr.c: Include ggc.h.
8916 (emit_block_move): Add gc roots.
8917 (clear_storage): Likewise.
8918 * expr.h (init_stor_layout_once): New function.
8919 * profile.c: Include ggc.h.
8920 (init_arc_profiler): profiler_label is a root.
8921 * scan.c (make_sstring_space): Trust xrealloc to function
8922 correctly with first parameter NULL.
8923 * stor-layout.c: Include ggc.h.
8924 (set_sizetype): Add gc root.
8925 (init_stor_layout_once): New function.
8926 * toplev.c (compile_file): Call it.
8928 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
8929 Bernd Schmidt <bernds@cygnus.co.uk>
8930 Mark Mitchell <mark@codesourcery.com>
8932 * Makefile.in (tree.o): Depend on ggc.h.
8933 (varasm.o): Likewise.
8934 (function.o): Likewise.
8936 (except.o): Likewise.
8937 (optabs.o): Likewise.
8938 (emit-rtl.o): Likewise.
8939 * emit-rtl.c: Include ggc.h.
8940 (sequence_element_free_list): Remove, and all references.
8941 (mark_sequence): New functions.
8942 (mark_emit_state): New function.
8943 * except.c: Include ggc.h.
8944 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
8945 (mark_tree_label_node): New functions.
8946 (mark_eh_state): New function.
8947 * function.c: Include ggc.h.
8948 (mark_temp_slot, mark_function_chain): New functions.
8949 (mark_function_state): New function.
8950 (init_function_once): New function.
8951 * function.h (init_function_once): New function.
8952 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
8953 * ggc.h (label_node): Declare.
8954 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
8955 (lang_mark_false_label_stack): New function.
8956 (mark_temp_slot): Remove declaration.
8957 (mark_function_chain): Likewise.
8958 (mark_eh_state): Adjust prototype.
8959 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
8961 * optabs.c: Include ggc.h.
8962 (mark_optab): New function.
8963 (init_optabs): Add gc roots.
8964 * stmt.c: Include ggc.h.
8965 (mark_cond_nesting, mark_loop_nesting): New functions.
8966 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
8967 (mark_stmt_state): New function.
8968 * toplev.c (compile_file): Call init_function_once.
8969 * tree.c: Include ggc.h.
8970 (type_hash): Move declaration earlier in file.
8971 (TYPE_HASH_SIZE, type_hash_table): Likewise.
8972 (init_obstacks): Add gc roots.
8973 (mark_type_hash): New function.
8974 * varasm.c: Include ggc.h.
8975 (mark_pool_constant): New function.
8976 (mark_varasm_state): New function.
8978 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8980 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
8982 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8984 * c-decl.c (struct language_function): Renamed from struct c_function.
8986 (c_function_chain): Delete.
8987 (push_c_function_context): New arg F. Don't warn about nested
8988 functions here. Fill LANGUAGE elt of F. Delete code to update
8989 c_function_chain. Don't call push_function_context.
8990 (pop_c_function_context): New arg F. Restore from there instead of
8991 from c_function_chain. Don't call pop_function_context. Clear out
8992 LANGUAGE field of F when done.
8993 * c-lang.c: Include "function.h"
8994 (lang_init): Initialize save_lang_status and restore_lang_status.
8995 * c-parse.in (nested_function, nested_function_notype): Warn about
8996 nested functions. Call push_function_context/pop_function_context
8997 instead of the _c_ variants.
8998 * c-tree.h (push_c_function_context, pop_c_function_context): Update
9000 * Makefile.in (c-lang.o): Update dependencies.
9002 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
9003 regno_pointer_flag, regno_pointer_align.
9004 (gen_reg_rtx): Use xrealloc to enlarge them.
9005 (free_emit_status): New function.
9006 * function.c (mark_machine_status, mark_lang_status): New variables.
9007 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
9008 in some bits from assign_stack_local. All callers changed to use new
9010 (assign_stack_local): Just call assign_stack_local_1.
9011 (free_after_compilation): New function.
9012 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
9013 (trampoline_address): Likewise.
9014 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
9015 (prepare_function_start): Explicitly clear some more variables.
9016 * function.h (struct function): New elt can_garbage_collect.
9017 (mark_machine_status, mark_lang_status): Declare variables.
9018 (free_after_compilation, free_emit_status, free_varasm_status,
9019 init_varasm_status): Declare functions.
9020 * toplev.c (rest_of_compilation): Call free_after_compilation when
9021 done with the current function.
9022 * varasm.c (free_varasm_status): New function.
9024 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
9026 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
9027 (EXPAND_BUILTIN_VA_ARG): Define.
9028 * sparc.c (sparc_va_start): New.
9029 (sparc_va_arg): New.
9031 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9033 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
9035 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9037 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
9039 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
9041 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
9043 (ggc-callbacks.o): New target.
9044 * ggc-callbacks.c: New file.
9046 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9048 * expr.h: Collapse individual optab and libfunc vars to arrays.
9049 (optab_index, libfunc_index): New enumerations.
9050 (optab_table, libfunc_table): New arrays.
9051 Add accessor macros for both.
9053 * optabs.c (optab_table, libfunc_table): New.
9054 Delete declarations for individual optab and libfunc vars.
9056 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
9058 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
9060 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
9062 * Makefile.in (GGC, GGC_LIB): New.
9063 (HOST_RTL): Include ggc-none.o.
9064 (ggc-simple.o): New target.
9065 (ggc-none.o): Likewise.
9066 * tree.h (tree_common): Add gc_mark.
9067 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
9068 (struct rtvec_def): Add gc_mark.
9069 * emit-rtl.c (global_rtl): Update static initializers to contain
9070 enough initializers.
9071 * ggc.h, ggc-none.c, ggc-simple.c: New files.
9072 * toplev.c (gc_time): New variable.
9073 (all_time): New variable.
9074 (compile_file): Print gc time.
9075 (print_time): Calculate percentage of the whole.
9077 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9079 Change obstack memory management and varasm constant pool handling so
9080 that nested functions are treated like any other functions.
9081 * function.c (init_machine_status): New variable.
9082 (push_function_context_to): Set contains_functions for the outer
9083 function. Don't call save_varasm_status.
9084 (pop_function_context_from): Don't call restore_varasm_status. Don't
9085 set current_function_contains_functions.
9086 (prepare_function_start): Call init_varasm_status rather than
9087 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
9089 * function.h (struct function) Add field varasm. Delete fields
9090 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
9091 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
9092 (init_machine_status): Declare.
9093 (save_varasm_status, restore_varasm_status): Delete declarations.
9094 (save_tree_status, restore_tree_status): Delete last argument.
9095 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
9096 code. All callers changed.
9097 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
9098 save_constants_in_decl_trees, restore_constants, save_constants,
9099 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
9101 (inlining): New variable.
9102 (reg_map, label_map, insn_map, orig_asm_operands_vector,
9103 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
9105 (save_for_inline_nocopy): Don't save constants.
9106 Don't set inl_emit field in current_function.
9107 (expand_inline_function): Use emit field, not inl_emit, of the inlined
9108 function. Set new variable inlining before
9109 calling copy_rtx_and_substitute.
9110 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
9111 constant pool references if inlining is nonzero.
9112 Delete ADDRESS and (most of the) CONST cases.
9113 (output_inline_function): Save and restore current_function/
9114 current_function_decl. Delete restore_constants code. Don't call
9115 init_const_rtx_hash_table.
9116 * output.h (init_const_rtx_hash_table): Don't declare.
9117 * rtl.h (struct function): Declare.
9118 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
9119 * toplev.c (rest_of_compilation): Don't treat nested functions or
9120 functions containing them specially. Delete all code to deal with
9121 save_for_inline_copying.
9122 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
9123 inline_obstacks): Delete variables.
9124 (save_tree_status): Lose arg CONTEXT. All callers changed.
9125 Simply allocate a new function_maybepermanent_obstack for the new
9126 function, delete all the special cases.
9127 Don't save inline_obstacks.
9128 (restore_tree_status): Lose arg CONTEXT. All callers changed.
9129 Delete special handling for function_maybepermanent_obstack; simply
9131 Don't restore inline_obstacks.
9132 (permanent_allocation): Delete code that frees inline_obstacks.
9133 (print_inline_obstack_statistics): Delete function.
9134 (dump_tree_statistics): Don't call it.
9135 * varasm.c (struct varasm_status): New.
9136 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
9137 last_pool, pool_offset, const_double_chain): Delete global
9138 variables, replace with accessor macros.
9139 (immed_double_const): Don't walk const_double_chain outside a
9140 function, but don't treat nested functions specially anymore.
9141 (immed_real_const_1): Likewise.
9142 (clear_const_double_mem): Don't treat nested functions specially.
9143 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
9144 (save_varasm_status, restore_varasm_status): Delete functions.
9145 (init_varasm_status): New function.
9146 (force_const_mem): Don't treat nested functions specially.
9147 (find_pool_constant): Accept new arg F, search for constants in
9148 that function's pool rather than the current one. All callers
9150 (get_pool_constant_for_function, get_pool_mode_for_function): New
9153 * i386.c (init_386_machine_status): New function, mostly from
9154 clear_386_stack_locals.
9155 (struct machine_functions): Rename element names to avoid name
9157 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
9158 macros, replacing global variables.
9159 (clear_386_stack_locals, save_386_machine_status,
9160 restore_386_machine_status): Delete functions.
9161 (override_options): Initialize init_machine_status.
9162 * i386.h (INIT_EXPANDERS): Delete macro.
9163 (save_386_machine_status, restore_386_machine_status,
9164 clear_386_stack_locals): Delete declarations.
9166 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9168 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
9169 (doloop_begin): Simplify pattern and use emit_jump_insn.
9170 (doloop_end): Simplify pattern, switch operand order,
9171 and use emit_jump_insn.
9173 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
9175 * function.h (struct function): Add new element LANGUAGE.
9176 (save_lang_status): Declare new variable.
9177 (restore_lang_status): Likewise.
9178 * function.c (save_lang_status): Define.
9179 (restore_lang_status): Likewise.
9180 (push_function_context_to): Call language-specific save function.
9181 (pop_function_context_from): Call language-specific restore function.
9183 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
9185 * i386.md (movsf_1): Check REG_P before use of REGNO.
9186 (movdf_1): Likewise.
9187 (movxf_1): Likewise.
9188 (extendsfdf2): Likewise.
9189 (extendsfxf2): Likewise.
9190 (extenddfxf2): Likewise.
9192 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9194 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
9195 constants into memory.
9196 (c4x_shiftable_constant): New function.
9197 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
9198 (c4x_shiftable_constant): Declare.
9199 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
9200 ashlqi3_noclobber): Add new patterns and associated splitters.
9202 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
9204 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
9205 * dwarf2out.c (dwarf2out_frame_init): Likewise.
9206 * final.c (shorten_branches): Likewise.
9207 * global.c (global_alloc): Likewise.
9208 * haifa-sched.c (build_control_flow): Likewise.
9209 * stmt.c (check_for_full_enumeration_handling): Likewise.
9210 (estimate_case_costs): Likewise.
9212 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
9214 * rtl.h (RTL_CHECKC2): Fix typo in last change.
9216 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
9218 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
9219 (recompute_reg_usage): Likewise.
9220 * rtlanal.c (find_regno_fusage): Likewise.
9222 * rtl.c (rtl_check_failed_code1): New function.
9223 (rtl_check_failed_code2): New.
9224 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
9225 (RTL_CHECKC1, RTL_CHECKC2): New.
9226 (XC*): New accessor macros.
9227 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
9228 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
9229 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
9230 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
9231 (TRAP_*, RANGE_INFO_*): Likewise.
9233 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9235 * Makefile.in (tlink.o): Don't depend on toplev.h.
9237 * collect2.c (c_file, o_file, export_file, import_file, ldout,
9238 output_file, nm_file_name, ldd_file_name, strip_file_name,
9239 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
9240 add_prefix, prefix_from_env, prefix_from_string, do_wait,
9241 fork_execute, maybe_unlink, add_to_list,
9242 extract_init_priority, write_list, dump_list,
9243 dump_prefix_list, write_list_with_asm, write_c_file,
9244 write_c_file_stat, write_c_file_glob, scan_prog_file,
9245 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
9246 ignore_library, extract_string, notice, dump_file, target_machine,
9247 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
9248 read_file, print_load_command): Constify a char*.
9249 (fdopen, error, fatal, fatal_perror): Don't prototype.
9250 (my_strerror): Remove. All callers use xstrerror instead.
9251 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
9252 (main): Add prototype. Constify lots of char* ptrs. Change calls
9253 to xcalloc/strcpy/strcat/... to one call to concat.
9254 (main, scan_prog_file, scan_libraries): Use an intermediate
9255 `const char **' to build an argv array.
9256 (mapfile, libselect, libcompare, locatelib): Add prototypes.
9258 * collect2.h (collect_execute, collect_wait, dump_file,
9259 file_exists): Constify a char*.
9260 (ldout, c_file_name, temporary_obstack, permanent_obstack,
9261 temporary_firstobj, vflag, debug): Add extern declarations.
9262 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
9264 * tlink.c: Don't include toplev.h.
9265 (vflag, debug, ldout, c_file_name, temporary_obstack,
9266 permanent_obstack, temporary_firstobj): Don't declare.
9267 (tlink_execute, frob_extension, symbol_hash_lookup,
9268 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
9269 recompile_files, read_repo_files, demangle_new_symbols,
9270 scan_linker_output): Constify a char*.
9271 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
9272 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
9274 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
9276 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
9277 (relative) rather than jsr (absolute) subroutine call insns.
9278 * config/m68k/m68k-coff.h: Ditto.
9280 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
9282 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
9283 now rework these too.
9284 (arm_reorg): If an insn can't reach the end of the current pool,
9285 ensure that we emit that pool before the insn.
9287 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
9289 * tlink.c (scan_linker_output): Skip the initial underscore in
9290 a mangled name if appropriate.
9292 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9294 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
9295 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
9296 error_with_ivar, gen_declarator, create_builtin_decl,
9297 my_build_string, generate_descriptor_table, generate_ivars_list,
9298 generate_dispatch_table, check_protocols, TAG_GETCLASS,
9299 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
9300 dump_base_name, lang_decode_option, build_encode_expr,
9301 start_class, finish_class, encode_pointer, really_start_method,
9302 gen_declaration, dump_interface, handle_class_ref, handle_impent):
9304 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
9305 Add static prototypes.
9306 (build_objc_string_decl, build_selector_reference_decl,
9307 encode_bitfield, build_class_reference_decl): Remove unused
9308 parameter, all callers changed.
9309 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
9310 (objc_printable_name): Likewise. Change second parameter to type int.
9311 (init_objc): Use memcpy, not bcopy, to avoid casts.
9313 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
9315 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
9316 reg notes on a deleted insn.
9317 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
9319 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
9321 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
9323 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9325 * stmt.c (expand_asm_operands): Fix index into inout_mode when
9328 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
9330 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
9331 * tm.texi (MD_ASM_CLOBBERS): Document it.
9333 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
9335 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
9336 * except.c (expand_rethrow): Remove unused variable.
9337 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
9338 * flow.c (replace_insns): Likewise.
9339 (create_edge_list, verify_edge_list): Likewise.
9340 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
9342 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
9343 is special code to run.
9344 (main): Don't define operands to emit_operand.
9345 * genrecog.c (main): Don't emit an empty peephole2_insn function.
9347 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
9349 * alpha/alpha.h (normal_memory_operand): Declare.
9350 (reg_no_subreg_operand): Declare.
9351 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
9353 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
9355 * c-parse.in (compstmt_primary_start): New, broken out of first
9356 part of compstmt handling in primary.
9357 (primary): Use it. Add an error clause.
9358 (compstmt_nostart): Renamed from compstmt; remove all
9359 initial invocations of compstmt_start.
9362 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
9364 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
9367 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
9369 * combine.c (simplify_shift_const): Remove extra semicolon.
9370 * dwarf2out.c (remove_AT): Likewise.
9371 * expmed.c (expand_mult): Likewise.
9372 * gcov.c (create_program_flow_graph): Likewise.
9373 * reorg.c (mostly_true_jump): Likewise.
9375 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
9377 * fold-const.c (fold_range_test): Do not try to fold the range
9378 test if the rhs or lhs has side effects.
9380 * combine.c (simplify_rtx): Recognize another case of a synthesized
9383 * varasm.c (mark_constant_pool): When marking indirect references,
9384 only look at SYMBOL_REFs.
9386 * except.c (expand_fixup_region_end): Do not peek at
9387 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
9389 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
9391 * flags.h: New variables align_loops, align_loops_log,
9392 align_jumps, align_jumps_log, align_labels, align_labels_log,
9393 align_functions, align_functions_log.
9394 * toplev.c: Define them.
9395 (f_options): Handle -falign-* when they have no argument.
9396 (main): Add logic to set variables for -falign-functions,
9397 -falign-jumps, -falign-labels, -falign-loops.
9398 Make it -fsched-verbose=<n> and -finline-limit=<n>.
9399 (display_help): Change help to match options.
9400 * final.c (LABEL_ALIGN): Default to align_labels_log.
9401 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
9402 (LOOP_ALIGN): Default to align_loops_log.
9403 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
9404 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
9405 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
9406 * varasm.c (assemble_start_function): Handle align_functions.
9408 * config/sparc/sparc.h: Don't declare sparc_align_*.
9409 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
9410 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
9412 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
9414 * config/sparc/sparc.c: Delete sparc_align_loops,
9415 sparc_align_jumps, sparc_align_funcs and the corresponding string
9417 (sparc_override_options): Default align_functions on ultrasparc.
9418 Delete -malign-* handling.
9420 * config/mips/mips.c (override_options): On 64-bit targets,
9421 try to align code to 64-bit boundaries.
9422 (print_operand): New substitution, %~,
9423 which aligns labels to align_labels_log.
9424 * config/mips/mips.md (div_trap_normal): Use %~.
9425 (div_trap_mips16): Likewise.
9430 (ashldi3_internal): Likewise.
9431 (ashrdi3_internal): Likewise.
9432 (lshrdi3_internal): Likewise.
9433 (casesi_internal): Likewise.
9435 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
9437 Merge new ia32 backend from the branch!
9439 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
9440 See ChangeLog.P2 on new_ia32_branch for details.
9442 * rtl.h (stack_regs_mentioned_p): Delete prototype.
9443 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
9444 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
9445 * i386/gas.h (ASM_FILE_START): Define.
9446 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
9447 for name change of ix86_valid_decl_attribute_p.
9448 (i386_pe_valid_type_attribute_p): Similarly.
9450 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
9452 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
9453 to step through CC modes.
9455 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9457 * regmove.c (fixup_match_1): Don't move INSN in front of P if
9458 it would end up in the shadow of a live flags regsiter.
9460 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9462 * reload1.c: Fix many indentation problems.
9463 * reload.c: Likewise.
9465 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
9467 * alias.c (non_local_reference_p): Constify fmt.
9469 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
9471 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
9473 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
9475 * cse.c (delete_trivially_dead_insns): Do not delete stores to
9476 the internal_arg_pointer.
9478 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
9480 Merge peephole2 from new_ia32_branch:
9481 * Makefile.in (STAGESTUFF): Add *.peephole2.
9482 (mostlyclean): Likewise.
9483 (recog.o): Depend on resource.h.
9485 * final.c (peephole): Conditionalize decl on HAVE_peephole.
9486 (final_scan_insn): Likewise for the invocation of peephole.
9487 * genconfig.c (main): Look for peephole and peephole2 patterns.
9488 Emit HAVE_peephole* accordingly.
9489 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
9490 * flags.h (flag_peephole2): Declare.
9491 * toplev.c: New pass peephole2. New flag -fpeephole2.
9493 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
9494 * gencodes.c (main): Likewise.
9495 * genextract.c (main): Likewise.
9496 * genoutput.c (main): Likewise.
9497 * genemit.c (max_operand_1): Look for the max scratch operand.
9498 (gen_rtx_scratch): New.
9499 (gen_exp): Use it, and pass on new arg subroutine_type.
9500 (gen_expand): Take max scratch into account.
9501 (gen_split): Emit peephole2 functions.
9502 (output_peephole2_scratch): New.
9503 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
9504 * genrecog.c (routine_type): Add PEEPHOLE2.
9506 (make_insn_sequence): Match outer parallel for peep2. Discard
9507 top level scratches and dups.
9508 (add_to_sequence): New args insn_type and top. Update all callers.
9509 Handle toplevel peep2 matching insns.
9510 (write_subroutine): Handle peep2.
9511 (write_tree_1): Likewise.
9512 (write_tree): Likewise.
9514 (change_state): New arg afterward. Update all callers.
9515 Handle matching separate insns.
9516 * recog.c (recog_next_insn): New.
9517 (peephole2_optimize): New.
9518 * rtl.def (DEFINE_PEEPHOLE2): New.
9519 * resource.c (find_free_register): New argument last_insn. Use it
9520 to find a register available through the entire span.
9521 * resource.h (find_free_register): Update prototype.
9523 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
9525 * i386.c (output_strlen_unroll): Don't write xops[7]
9526 label if it wasn't set.
9528 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
9530 * cpplib.c (struct directive): Const-ify name pointer and
9531 function pointer prototype.
9532 (validate_else, do_define, do_line, do_include, do_undef,
9533 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
9534 do_elif, do_endif, do_sccs, do_assert, do_unassert,
9535 do_warning): Const-ify second arg.
9536 (directive_table): Mark const. Reorder entries by frequency
9537 of usage, record statistics.
9539 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
9541 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
9542 bounds- check RTL accesses if --enable-checking.
9543 (RTVEC_ELT): Bounds check if --enable-checking.
9544 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
9545 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
9546 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
9548 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
9549 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
9551 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
9552 (NOTE_SOURCE_FILE): Use X0STR.
9553 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
9554 MEM_ALIAS_SET): Use X0INT.
9555 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
9556 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
9558 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
9559 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
9560 (rtl_check_failed_bounds, rtl_check_failed_type1,
9561 rtl_check_failed_type2, rtvec_check_failed_bounds): New
9563 (fancy_abort): Fix comment.
9565 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
9566 (cse_insn): Decrement LABEL_NUSES for jump target before
9568 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
9569 * final.c (alter_subreg): Compute regno before changing x to
9570 REG; set REGNO(x) after changing it.
9571 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
9572 notes containing CONST_INTs.
9573 (delete_eh_regions): Use NOTE_EH_HANDLER.
9574 * function.c (put_reg_into_stack): Make reg a MEM before
9576 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
9578 (gen_mem_addressof): Make reg a MEM before initializing it.
9579 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
9581 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
9582 deleting an insn, not after.
9583 (block_alloc): Only look at PATTERN(insn) if we have to, and
9584 only if it's format class 'i'.
9585 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
9586 CONST_INT before using its INTVAL.
9587 * print-rtl.c (print_rtx): Use X0STR.
9588 * regmove.c (fixup_match_1): Don't look at PATTERN of
9589 non-class-'i' insn chain elements.
9590 * reload.c (loc_mentioned_in_p): Take address of
9591 in->fld[1].rtx directly.
9592 * reload1.c (reload): Change reg to a MEM before initializing
9594 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
9596 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
9598 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
9600 * config/mips/mips.c (machine_dependent_reorg): Force a
9601 barrier to output the local constant pool if a barrier hasn't
9602 been found at a natural point in the instruction stream.
9604 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9606 * c-parse.in (language_string): Constify.
9608 * dwarf2out.c (language_string): Remove declaration.
9610 * dwarfout.c (language_string): Likewise.
9612 * toplev.c (language_string, init_parse, finish_parse): Likewise.
9614 * tree.h (language_string, init_parse, finish_parse): Declare.
9616 * i386/sun386.h (language_string): Remove declaration.
9618 * mips.h (language_string): Likewise.
9620 * nextstep.h (language_string): Likewise.
9622 * nextstep21.h (language_string): Likewise.
9624 * rs6000.c (language_string): Likewise.
9626 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9628 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
9629 (getpwd.o): Remove target.
9631 * getpwd.c: Delete file. Its in libiberty now.
9633 * dbxout.c (getpwd): Don't prototype.
9634 * dwarf2out.c (getpwd): Likewise
9635 * dwarfout.c (getpwd): Likewise
9636 * final.c (getpwd): Likewise.
9637 * protoize.c (getpwd): Likewise.
9639 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9641 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
9643 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9645 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
9648 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
9650 * fixinc/Makefile.in (subdir): New.
9651 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
9654 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
9656 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
9657 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
9660 * invoke.texi: Fix typo.
9662 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
9663 changed. Handle autoincrement addressing modes.
9665 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
9666 just like we would the virtual incoming args register when
9669 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
9671 * rs6000.h (ASM_FILE_START): Specify complete filename, including
9672 path, in .file directive.
9674 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
9676 * gcc.texi (External Bugs): Remove obsolete note about Perl on
9679 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
9681 * stdbool.h: Make the typedef name _Bool, with bool a #defined
9684 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9686 * tree.c (tree_code_name): Constify a char*.
9688 * tree.h (tree_code_name, decl_printable_name): Likewise.
9690 * function.h (struct function): Likewise.
9692 * toplev.c (decl_name, decl_printable_name): Likewise.
9694 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
9696 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
9697 (init_objc): Remove function pointer cast.
9699 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
9701 * pa.md (interspace_jump): New pattern.
9702 (builtin_longjmp): New expander.
9704 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
9706 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
9707 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
9708 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
9710 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
9712 * jump.c (delete_prior_computation): Also check calls
9713 to constant functions. Don't bother checking for a
9714 REG_UNUSED note before adding it.
9715 (delete_computation): Handle multi-word hard registers
9716 when synthesizing missing REG_DEAD notes for a register
9717 which is both set and used by an insn.
9719 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9721 * loop.c (this_loop_info): New variable.
9722 (loop_has_call, loop_has_volatile, loop_has_tablejump,
9723 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
9725 (prescan_loop, strength_reduce): New argument loop_info. All callers
9727 (scan_loop): New variable loop_info, initialise to address of
9729 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
9730 Delete variable loop_has_multiple_exit targets and replace with
9731 field in this_loop_info.
9732 (find_and_verify_loops): Rename this_loop to this_loop_num.
9733 (strength_reduce): Delete loop_iteration_info. Replace variable
9734 loop_info with function argument of same name.
9735 (insert_bct): Rework test for loop being completely unrolled.
9737 * loop.h (struct loop_info): New fields num, loops_enclosed,
9738 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
9739 has_indirect_jump, and cont. Redefine use of unroll_number.
9740 (loop_unroll_number): Delete.
9742 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
9744 (loop_iterations): Delete variable vtop and instead use
9745 loop_info->vtop computed in prescan_loop.
9747 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
9749 * fix-header.c (main): Do not pass a null pointer to strcmp.
9751 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
9753 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
9755 * configure: Rebuilt.
9757 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
9759 * jump.c (jump_optimize_1): Do not delete assignments to
9760 internal_arg_pointer.
9761 * cse.c (delete_trivially_dead_insns): Always consider a set of
9762 the internal_arg_pointer live.
9764 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
9766 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
9767 (update_life_info) [REG_WAS_0]: Search the original insns rather
9768 than the new insns for the note. Fix typos finding note_dest.
9769 If no dest found, discard the note rather than abort.
9770 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
9771 (replace_insns): Remove the old insn list after update_life_info
9774 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
9776 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
9778 (sched_analyze_1): Let add_dependence care for not adding dups.
9779 (sched_analyze_2): Likewise.
9780 (add_branch_dependences): Likewise.
9782 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
9784 * i386/winnt.c (export_list): New type.
9785 (exports_head): Rename to
9786 (export_head): this.
9787 (i386_pe_record_exported_symbol): Add is_data flag.
9788 (i386_pe_asm_file_end): Emit directive for exported variables.
9789 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
9791 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
9792 (ASM_DECLARE_OBJECT_NAME): Likewise.
9793 (ASM_DECLARE_FUNCTION_NAME): Likewise.
9794 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
9796 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
9798 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
9800 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
9803 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
9805 * config/openbsd.h: Define SET_ASM_OP.
9806 * tm.texi: cross-reference SET_ASM_OP in the index.
9808 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
9810 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
9811 for a CONST_DOUBLE, at compile time. Initialize rtx_length
9812 and class_narrowest_mode at compile time. Kill init_rtl.
9813 Mark rtx_length, mode_class, mode_size, mode_unit_size,
9814 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
9815 rtx_format as const. Kill all references to EXTRA_CC_MODES or
9817 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
9819 * rtl.h: Declare rtx_length and rtx_format as const.
9820 * machmode.def: Define CC(). Use CC() to define CCmode. If
9821 EXTRA_CC_MODES is defined, expand it here.
9822 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
9823 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
9824 const. Kill all references to EXTRA_CC_MODES.
9826 * toplev.c: Don't prototype or call init_rtl.
9827 * optabs.c: Don't call init_mov_optab.
9828 * genemit.c: Don't generate init_mov_optab. Don't call
9830 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
9832 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
9833 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
9834 genrecog.c: Don't call init_rtl.
9836 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
9837 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
9838 definition of EXTRA_CC_MODES.
9840 * md.texi: Kill ref to EXTRA_CC_NAMES.
9841 * tm.texi: Document new way to define EXTRA_CC_MODES.
9843 * genrecog.c: Do not look up the name of a define_split.
9846 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
9848 * config/v850/v850.md: Fix typo introduced by previous delta.
9850 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9852 * gcc.c (fatal): Make definition static to match prototype.
9854 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9856 * combine.c (get_last_value): Don't look for earlier sets if the last
9857 known set is somewhere in between the insns being combined.
9859 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
9861 * configure.in: Don't use shell ! to negate exit codes
9862 * configure: Regenerate
9864 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
9866 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
9867 the fact that ALIGN is measured in bits, not bytes.
9869 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
9871 * errors.c: New file; defines functions error, warning, and
9872 fatal, variables have_error and progname.
9873 * errors.h: New file; prototypes and decls for stuff in errors.c.
9875 * Makefile: Add rules to build errors.o and
9876 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
9877 genopinit, genrecog, genextract, genpeep, genattr, and
9878 genoutput with errors.o. Add errors.h to deps of genconfig.o,
9879 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
9880 genpeep.o, genattr.o, and genoutput.o.
9882 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
9883 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
9884 define or prototype fatal. Set progname at beginning of main.
9885 * genoutput.c: Likewise, and don't define or prototype error
9888 * c-typeck.c (c_expand_start_case): Return immediately if exp
9890 * fold-const.c (operand_equal_p): Return immediately if arg1
9891 or arg0 are ERROR_MARKs.
9892 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
9893 fields of type ERROR_MARK when calculating if the record can
9896 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
9897 with much help from Jeffrey A Law and Richard Henderson
9899 * i386.md: In the 6 insns which call output_fix_trunc,
9900 earlyclobber operands[0].
9902 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
9904 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
9905 creating new registers.
9907 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
9909 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
9910 i386_reg_alloc_order, i386_regparm_string,
9911 i386_align_loops_string, i386_align_jumps_string,
9912 i386_align_funcs_string, i386_preferred_stack_boundary_string,
9913 and i386_branch_cost_string as type "const char *".
9914 * i386.c: Define all above strings as type "const char *".
9916 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
9918 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
9919 when emitting alignment padding. Emit padding byte of 0 instead of 4.
9921 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
9923 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
9924 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
9926 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
9928 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
9929 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
9930 (dwarf2out_line, dwarf2out_finish): Likewise.
9931 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
9933 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9935 * tree.c (lang_unsave_expr_now) : Correct return type.
9936 * tree.h (lang_unsave_expr_now) : Same.
9938 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
9940 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
9941 instead of duplicating code.
9943 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9945 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
9947 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
9949 * tree.h: fancy_abort always takes three args.
9950 * resource.c: Move include of system.h before toplev.h.
9952 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
9954 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
9957 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
9959 * system.h: Don't redefine abort or trim_filename.
9960 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
9961 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
9962 whether or not __FUNCTION__ is available.
9963 * tree.h: Duplicate rtl.h's definition of abort, for files
9964 that don't include rtl.h. Delete all code to perform type
9965 checking with a compiler other than GCC.
9966 * varray.h: Delete all code to perform type checking with a
9967 compiler other than GCC. Make VARRAY_CHECK() always evaluate
9968 its arguments exactly once, using a statement expression.
9969 Adjust the VARRAY_<type> accessor macros to match.
9970 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
9971 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
9972 caller's location. Define fatal_insn and fatal_insn_not_found
9973 as macros that use _fatal_insn and _fatal_insn_not_found.
9974 (fancy_abort, trim_filename): Kill prototypes.
9976 * rtl.c (trim_filename): Move here from toplev.c.
9977 (fancy_abort): New function.
9978 (DIR_SEPARATOR): Provide default definition.
9979 * tree.c (tree_check_failed, tree_class_check_failed): Go
9980 through fancy_abort.
9981 (tree_check, tree_class_check, cst_or_constructor_check,
9982 expr_check): Delete.
9983 * varray.c (varray_check_failed): New function.
9984 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
9985 _fatal_insn and _fatal_insn_not_found. Go through
9987 (trim_filename, fancy_abort): Delete.
9989 * builtins.c (expand_builtin_args_info): Report ICE with abort.
9990 * except.c (start_catch_handler): Report ICE with error/abort
9992 * final.c (output_operand_lossage): Likewise.
9993 * flow.c (verify_flow_info): Likewise.
9995 * gcc.c: Prototype fatal.
9996 * gengenrtl.c: Undef abort after including rtl.h not system.h.
9997 * genattr.c, genattrtab.c, genemit.c, genextract.c,
9998 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
9999 Don't define fancy_abort.
10001 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
10003 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
10006 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
10008 * m88k.h (VERSION_INFO2): Kill.
10009 (VERSION_STRING): Kill.
10011 (VERSION_INFO1): Tidy.
10012 (TARGET_VERSION): Update.
10013 * m88k/dgux.h (VERSION_INFO2): Kill.
10014 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
10015 * m88k/luna.h (VERSION_INFO1): Tidy.
10016 * m88k/sysv4.h (VERSION_INFO1): Likewise.
10017 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
10018 (output_file_start): Adjust for death of VERSION_STRING.
10020 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
10022 * cpplib.c (detect_if_not_defined): New function.
10023 (do_if): Use it to detect potential once-only headers.
10025 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
10027 * c-common.c (combine_strings): Always set TREE_CONSTANT.
10029 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
10031 * combine.c (nonzero_bits) : Allow single-ly set registers to be
10032 anywere in the function only if they are pseudos and set before
10033 being used (not live at the start of the function).
10034 (num_sign_bit_copies) : Same.
10035 (get_last_value_validate) : Same.
10036 (get_last_value) : Same.
10038 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
10040 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
10041 where N and M are constant and N is an integer multiple of M.
10043 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10045 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
10046 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
10047 sbitmap_union_of_preds): Add prototypes.
10048 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
10049 the intersection of successors with the new flow graph structures.
10050 (sbitmap_intersection_of_preds): New function to compute the
10051 intersection of predecessors with the new flow graph structures.
10052 (sbitmap_union_of_succs): New function to compute the union of
10053 successors with the new flow graph structures.
10054 (sbitmap_union_of_preds): New function to compute the union of
10055 predecessors with the new flow graph structures.
10056 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
10057 (expr_reaches_here_p): Use edge and basic_block structures instead
10058 of s_preds and s_succs.
10059 (compute_cprop_avinout): Use new sbitmap routines.
10060 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
10061 of s_preds and s_succs.
10062 * flow.c (compute_flow_dominators): Compute dominators using
10063 edges and basic blocks instead of s_preds and s_succs.
10065 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10067 * lists.c (unused_insn_list, unused_expr_list): New file for
10068 maintaining various types of lists. New statics for maintaining a
10069 cache of available INSN_LIST and EXPR_LIST nodes.
10070 (free_list): Static function for freeing a list of INSN/EXPR nodes.
10071 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
10072 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
10073 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
10074 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
10075 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
10076 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
10077 (free_INSN_LIST_node): Free an individual INSN_LIST node.
10078 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
10079 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
10080 (remove_dependence, free_pending_lists): Use new global routines.
10081 (flush_pending_lists, sched_analyze_insn): Use new global routines.
10082 (sched_analyze, compute_block_backward_dependences): Use new routines.
10083 (sched_analyze_1, sched_analyze_2): Use new routines.
10084 (schedule_insns): Use new global routines.
10085 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
10087 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
10088 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
10090 * toplev.c (rest_of_compilation): Initialize node cache.
10091 * Makefile.in (OBJS): Add lists.o to list of object files.
10092 (lists.o): Add dependancies.
10094 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
10096 * config/v850/v850.md: Fix compile time warning messages.
10097 * config/v850/v850.c: Fix compile time warning messages.
10098 * config/v850/v850.h: Fix compile time warning messages.
10100 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10102 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
10103 Remove unused prototype for `init_lengths'.
10105 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10107 * calls.c (emit_call_1): Mark parameter `stack_size' with
10109 (expand_call): Initialize variable `insn'.
10110 (emit_library_call): Likewise for variable `high_to_save'.
10111 (emit_library_call_value): Likewise.
10112 (store_one_arg): Likewise for variables `lower_bound' and
10115 * combine.c (try_combine): Likewise for variables `i2_code_number'
10116 and `other_code_number'.
10117 (find_split_point): Likewise for variables `pos', `unsignedp' and
10119 (simplify_if_then_else): Likewise for variables `op' and `c1'.
10120 (simplify_and_const_int): Remove unused variable `width'.
10121 (merge_outer_ops): Likewise.
10123 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
10124 HOST_WIDE_INT' when comparing against one.
10125 (simplify_relational_operation): Likewise.
10126 (cse_insn): Initialize variables `src_eqv_volatile',
10127 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
10129 * final.c (init_final): Constify parameter `filename'.
10130 (final_start_function): Mark parameter `optimize' with
10132 (profile_function): Likewise for parameters `first' and `optimize'.
10133 (output_source_line): Likewise for parameter `file'.
10135 * integrate.c (subst_constants): Cast a value to `size_t' when
10136 comparing against one.
10137 (mark_stores): Initialize variable `mode'. Cast a value to
10138 `size_t' when comparing against one.
10140 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
10142 * loop.c (move_movables): Initialize variable `first'.
10143 (strength_reduce): Likewise for variable `increment'.
10144 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
10145 value to `size_t' when comparing against one.
10146 (load_mems): Initialize variable `end_label'.
10148 * output.h (init_final): Constify parameter.
10150 * reload.c (decompose): Initialize variable `base'.
10152 * reload1.c (reload): Likewise for variable `is_scalar'.
10153 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
10154 (choose_reload_regs): Initialize variable `mode'.
10155 (emit_reload_insns): Likewise for variable `store_insn'.
10156 (reload_cse_noop_set_p): Mark parameter `insn' with
10158 (reload_combine): Initialize variable `set'.
10160 * unroll.c (unroll_loop): Likewise for variable `local_label'.
10161 (copy_loop_body): Cast a value to `size_t' when comparing against
10164 * varasm.c (assemble_variable): Initialize variable `size_tree'.
10165 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
10166 (remove_from_pending_weak_list): Mark parameter `name' with
10169 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10171 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
10174 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
10176 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
10177 (ASM_DECLARE_FUNCTION_NAME): Define.
10178 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
10179 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
10180 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
10181 not already defined.
10183 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
10185 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
10186 of n_popped when call/call_value are not defined.
10188 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
10190 * tm.texi: GNU CC -> GCC conversion.
10191 (CC1_SPEC): Indicate it is used for all language front ends.
10193 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
10195 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
10196 NOTE_INSN_EH_REGION_END correctly.
10198 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
10199 Jeff Law <law@cygnus.com>
10201 * loop.c (strength_reduce): Automatically unroll loops if the
10202 unrolled loop size is smaller than the rolled loop size.
10204 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
10205 and delete comment that code should be rewritten.
10207 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
10209 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
10212 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
10214 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
10216 * fixinc/mkfixinc.sh: Don't fix uwin headers.
10217 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
10218 (LINK_SPEC): Add -u _main when building executables.
10219 (ASM_DECLARE_FUNCTION): Update from Cygwin.
10220 (ASM_FILE_END): Use the default for ix86-pe.
10221 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
10223 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
10225 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
10226 and ASM_CLOSE_PAREN are empty strings.
10228 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
10229 Geoffrey Keating <geoffk@cygnus.com>
10231 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
10232 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
10233 (unprotoize.o): Ditto.
10234 (test-protoize-simple): Don't define STD_PROTO_DIR.
10235 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
10236 changes to make 'test-protoize-simple' pass.
10237 (STD_PROTO_DIR): Remove define.
10238 (STANDARD_EXEC_PREFIX): Supply default define.
10239 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
10240 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
10241 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
10242 (GET_ENV_PATH_LIST): New macro.
10243 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
10244 (do_processing): Initialize default_syscalls_dir using new
10245 macros. Use it to initialize syscalls_absolute_filename.
10247 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
10249 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
10250 B into a register before emit_conditional_move.
10252 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
10254 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
10255 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
10256 multiplicand out of (+ (* a b) (* c d)).
10258 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
10259 Richard Henderson <rth@cygnus.com>
10261 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
10262 (new_insn_dead_notes): Likewise.
10263 (update_n_sets): Likewise.
10264 (update_flow_info): Move to flow.c, renamed to update_life_info;
10265 extend to handle multiple source insns.
10266 * flow.c: Include resource.h
10267 (unlink_insn_chain): New.
10268 (split_hard_reg_notes): New.
10269 (maybe_add_dead_note): New.
10270 (maybe_add_dead_note_use): New.
10271 (find_insn_with_note): New.
10272 (new_insn_dead_notes): New.
10273 (update_n_sets): New.
10274 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
10275 (maybe_remove_dead_notes): New.
10276 (update_life_info): New.
10277 (prepend_reg_notes): New.
10278 (replace_insns): New.
10279 * output.h (update_life_info): Declare.
10280 * recog.c (split_block_insns): Use update_life_info.
10281 * resource.c (find_free_register): Use reg_alloc_order, don't use
10282 fixed regs, make sure the mode is supported, don't use new regs.
10284 * rtl.h (replace_insns): Declare.
10286 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
10288 * expr.c (expand_expr): Cope with COND_EXPRs with one
10289 non-returning branch.
10291 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
10293 * expr.c (store_expr): Always pass down the target, even when not
10296 1999-08-24 Nick Clifton <nickc@cygnus.com>
10298 * configure.in: Define target_cpu_default for v850 targets.
10299 * configure: Regenerate
10301 * config/v850/v850.h (TARGET_CPU_generic): Define.
10302 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
10303 addresses are 4 byte aligned.
10305 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
10308 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10310 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
10311 (main): Add prototypes.
10313 * genattrtab.c (substitute_address, write_const_num_delay_slots,
10314 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
10315 (write_attr_get): Emit prototypes along with function definition.
10316 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
10317 (write_complex_function): Emit static prototype along with
10318 function definition.
10320 * genemit.c (gen_split): Emit prototypes along with function
10323 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
10324 Likewise for predicates and `insn_operand_predicate'.
10325 (process_template): Emit static prototype along with function
10328 * genrecog.c (make_insn_sequence): Constify a char*. Add
10329 prototypes for get_split_*().
10330 (write_subroutine): Emit prototypes along with function
10333 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10335 * gcse.c (find_avail_set): Follow chains of register-register copies.
10336 Use oprs_not_set_p to guarantee that the returned value can be
10338 (cprop_insn): Don't verify the return value of find_avail_set with
10341 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
10342 (cprop_cc0_jump): New function.
10343 (cprop_insn): Break out new function cprop_jump and use it.
10344 Also use cprop_cc0_jump for machines with CC0.
10345 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
10347 * tree.h (current_function_calls_setjmp,
10348 current_function_calls_longjmp): Delete declarations.
10349 * dsp16xx.c: Include "function.h".
10350 * elxsi.c: Likewise.
10351 * gmicro.c: Likewise.
10352 * h8300.c: Likewise.
10353 * i370.c: Likewise.
10354 * m32r.c: Likewise.
10355 * mn10200.c: Likewise.
10356 * mn10300.c: Likewise.
10357 * ns32k.c: Likewise.
10358 * spur.c: Likewise.
10359 * v850.c: Likewise.
10361 * rtl.h (rtx_equal_function_value_matters): Declare.
10362 * toplev.c (rtx_equal_function_value_matters): Don't declare.
10364 * function.c: Likewise.
10365 * emit-rtl.c: Likewise.
10367 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
10369 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
10372 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10374 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
10377 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
10379 * cpp.texi: Add a node documenting macro varargs (copied
10382 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
10384 * cppspec.c: Put a null pointer at the end of the new argv.
10386 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
10388 * configure.in: Remove code to select/de-select the haifa
10389 scheduler. Every scheduled port gets haifa now.
10390 * configure: Rebuilt.
10391 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
10393 * Makefile.in: Corresponding changes.
10395 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10397 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
10398 All callers changed.
10399 (prepare_float_lib_cmp): Likewise.
10400 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
10401 * expr.h (emit_float_lib_cmp): Delete declaration.
10402 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
10403 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
10404 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
10406 (cmptf): Now conditional on TARGET_HARD_QUAD.
10408 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
10410 * resource.c (mark_target_live_regs): Use
10411 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
10413 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10415 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
10417 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
10419 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
10421 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10423 * rtl.h (rtx_format): Constify a char*.
10425 * rtl.c (rtx_format): Likewise.
10426 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
10427 (init_rtl): Use accessor macro, not `rtx_format'.
10429 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
10432 * caller-save.c (mark_referenced_regs): Likewise.
10434 * combine.c (subst, make_compound_operation, known_cond,
10435 gen_rtx_combine, update_table_tick, get_last_value_validate,
10436 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
10438 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
10439 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
10440 count_reg_usage): Likewise.
10442 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
10445 * final.c (leaf_renumber_regs_insn): Likewise.
10447 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
10448 dump_edge_info, count_reg_references): Likewise.
10450 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
10451 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
10454 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
10455 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
10456 add_label_notes): Likewise.
10458 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
10459 clear_struct_flag, count_sub_rtxs, count_alternatives,
10460 compares_alternatives_p, contained_in_p, walk_attr_value,
10461 write_expr_attr_cache): Likewise.
10463 * genconfig.c (walk_insn_part): Likewise.
10465 * genemit.c (max_operand_1, gen_exp): Likewise.
10467 * genextract.c (walk_rtx): Likewise.
10469 * genflags.c (num_operands): Likewise.
10471 * genoutput.c (scan_operands): Likewise.
10473 * genpeep.c (match_rtx): Likewise.
10475 * genrecog.c (add_to_sequence): Likewise.
10477 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
10480 * integrate.c (save_constants, copy_for_inline,
10481 copy_rtx_and_substitute, subst_constants, restore_constants):
10484 * jump.c (mark_jump_label, invert_exp, redirect_exp,
10485 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
10487 * local-alloc.c (contains_replace_regs, memref_referenced_p):
10490 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
10491 add_label_notes, replace_call_address, count_nonfixed_reads,
10492 invariant_p, find_single_use_in_loop, find_mem_givs,
10493 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
10496 * print-rtl.c (reg_names, print_rtx): Likewise.
10498 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
10500 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
10501 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
10502 print_blocks): Likewise.
10504 * regclass.c (fix_register, record_address_regs,
10505 reg_scan_mark_refs): Likewise.
10507 * regmove.c (stable_but_for_p): Likewise.
10509 * reload.c (loc_mentioned_in_p, operands_match_p,
10510 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
10511 copy_replacements, refers_to_regno_for_reload_p,
10512 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
10513 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
10516 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
10517 delete_address_reloads_1, count_occurrences,
10518 reload_cse_mem_conflict_p, reload_combine_note_use,
10519 add_auto_inc_notes): Likewise.
10521 * resource.c (mark_referenced_resources, mark_set_resources):
10524 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
10525 reg_mentioned_p, regs_set_between_p, modified_between_p,
10526 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
10527 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
10528 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
10529 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
10531 * sched.c (sched_analyze_2, attach_deaths): Likewise.
10533 * stupid.c (stupid_mark_refs): Likewise.
10535 * unroll.c (remap_split_bivs): Likewise.
10537 * varasm.c (mark_constants): Likewise.
10539 * a29k/a29k.c (uses_local_reg_p): Likewise.
10541 * alpha/alpha.c (summarize_insn): Likewise.
10543 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
10544 eliminate_lr2ip): Likewise.
10546 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
10548 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
10549 reg_mentioned_in_mem): Likewise.
10551 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
10552 symbolic_reference_mentioned_p): Likewise.
10554 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
10556 * sh/sh.c (regs_used, mark_use): Likewise.
10558 * vax/vax.c (vax_rtx_cost): Likewise.
10560 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10562 * machmode.h (mode_name): Constify a char*.
10564 * rtl.c (mode_name): Likewise.
10566 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
10568 * optabs.c (init_libfuncs): Constify a char*.
10570 * print-tree.c (mode_name): Remove redundant declaration.
10571 (print_node): Use accessor macro, not `mode_name'.
10573 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
10575 (new_spill_reg): Constify a char*.
10577 * tree.c (mode_name): Remove redundant declaration.
10579 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10581 * rtl.c (rtx_name): Constify a char*.
10583 * rtl.h (rtx_name, fix_sched_param): Likewise.
10585 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
10586 (mypr): Use accessor macro, not `rtx_name'.
10588 * genemit.c (print_code): Constify a char*.
10590 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
10592 * genpeep.c (print_code): Constify a char*.
10594 * genrecog.c (print_code): Likewise.
10596 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
10597 end_bb): Add static prototype.
10598 (draw_edge): Constify a char*.
10599 (end_bb): Remove unused parameter.
10601 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
10602 print_block_visualization): Constify a char*.
10604 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
10606 * c-common.c (c_get_alias_set): Update comment.
10608 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
10610 * linux.h (LIB_SPEC): Added.
10612 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10614 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
10616 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
10618 * tree.c (expr_check): Fix typo in last change.
10620 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
10622 * rtl.def (NOTE): Change format to "iuu0n".
10623 (ADDR_DIFF_VEC): Change format to "eEee0".
10624 (ADDRESSOF): Change format to "eit".
10626 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
10627 (RTVEC_ELT): Change to match.
10628 (XVECEXP): Use XVEC and RTVEC_ELT.
10629 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
10630 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
10631 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
10632 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
10633 TRAP_CONDITION, TRAP_CODE): Use XEXP.
10634 (INTVAL): Use XWINT.
10635 (ADDRESSOF_DECL): Use XTREE.
10636 (SET_ADDRESSOF_DECL): Delete.
10637 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
10638 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
10639 ifdefed out since 2.6 at least.
10640 (gen_rtvec_vv): Delete prototype.
10642 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
10644 (copy_most_rtx): Handle 't' format letter.
10645 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
10646 (gen_rtvec_vv): Delete function. All callers changed to use
10647 gen_rtvec_v instead.
10648 * print-rtl.c (print_rtx): Move special casing of NOTEs to
10649 the '0' format letter.
10651 * function.c (gen_mem_addressof): Don't use
10652 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
10654 * integrate.c (copy_rtx_and_substitute): Likewise.
10655 Copy 't' slots with XTREE.
10656 (subst_constants): Treat 't' slots like '[swi]' slots.
10657 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
10658 * jump.c (rtx_equal_for_thread_p): Likewise.
10659 * rtlanal.c (rtx_equal_p): Likewise.
10660 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
10661 only four arguments.
10662 * gengenrtl.c (type_from_format): Provide correct types for
10666 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
10667 If a recent gcc is in use (always in stage2 and beyond), use
10668 statement expressions, so we don't make a function call unless
10669 the check fails. Evaluate arguments exactly once.
10670 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
10671 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
10673 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
10674 they evaluate their arguments exactly once, irrespective of
10675 the compiler in use.
10677 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
10678 is used by the currently-enabled check macros. This is:
10679 (tree_check_failed, tree_class_check_failed): For gcc.
10680 (tree_check, tree_class_check, cst_or_constructor_check,
10681 expr_check): For other compilers.
10683 * gencheck.c: Do not define any *_CHECK1 macros.
10685 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
10686 Mark Mitchell <mark@codesourcery.com>
10688 * c-common.c (c_get_alias_set): Fix support for poitners and
10691 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
10693 * alias.c: Include tree.h.
10694 (nonlocal_reference_p, mark_constant_function): New functions.
10695 * flow.c (life_analysis): Call mark_constant_function.
10696 * rtl.h (mark_constant_function): Declare it.
10698 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
10700 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
10701 unrecognisable switches.
10703 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10705 * loop.c (recombine_givs): Set ix field after sorting.
10706 (recombine_givs): Remove bogus index / giv lockstep looping.
10708 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10710 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
10712 (emit_store_flag_force): Use do_compare_rtx_and_jump.
10713 (do_cmp_and_jump): Formatting fixes.
10714 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
10715 do_compare_rtx_and_jump instead of compare_from_rtx.
10716 (do_compare_rtx_and_jump): New function; mostly copied from
10718 (do_jump_for_compare): Delete.
10719 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
10721 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
10722 of compare/do_jump_for_compare pairs.
10723 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
10724 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
10725 compare_from_rtx/do_jump_for_compare pairs.
10726 (do_jump_by_parts_equality): Likewise.
10727 (do_jump_by_parts_equality_rtx): Likewise.
10728 * expr.h (do_compare_rtx_and_jump): Declare.
10729 * optabs.c (prepare_cmp_insn): New function, contains most of the code
10730 that used to be in emit_cmp_insn.
10731 (cmp_available_p): New function.
10732 (prepare_operand): New function.
10733 (emit_cmp_and_jump_insn_1): New function, contains some code that used
10734 to be in emit_cmp_insn.
10735 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
10736 parameters to be pointers; don't emit final compare but modify some of
10737 the values pointed to by the args so the caller can perform the
10738 correct comparison.
10739 (expand_binop): Call emit_store_flag_force with signed forms of
10741 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
10742 emit_jump_insn pair.
10743 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
10744 emit_cmp_and_jump_insn_1. Call emit_queue.
10745 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
10747 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
10748 jump sets cc0 before deleting it.
10749 * integrate.c (expand_inline_function): Likewise.
10750 * unroll.c (unroll_loop): Similar changes in several places.
10751 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
10752 before deleting it.
10754 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10756 * Makefile.in (insn-recog.o): Update dependencies.
10757 * genrecog.c (main): Make generated file include "function.h".
10759 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
10761 * cse.c (cse_insn): Call never_reached_warning when a jump is
10762 changed to be unconditional.
10763 * flags.h: Declare warn_notreached.
10764 * flow.c (delete_block): Call never_reached_warning when
10765 a block is deleted.
10766 * jump.c (delete_barrier_successors): Call never_reached_warning
10767 when we delete everything after a BARRIER.
10768 (never_reached_warning): New function.
10769 * rtl.h: Declare never_reached_warning.
10770 * toplev.c (warn_notreached): New variable.
10771 (lang_independent_options): Set warn_notreached
10772 when -Wunreachable-code.
10773 (compile_file): We need line numbers for -Wunreachable-code.
10775 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
10777 * haifa-sched.c (insn_unit): Fix typo on out of range test.
10778 * sched.c (insn_unit): Likewise.
10780 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
10782 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
10784 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10786 * flow.c (create_edge_list): Use xmalloc, not malloc.
10788 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
10790 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
10791 C-style comments. Do not lose the character before double slash.
10793 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10795 * basic-block.h (struct edge_list): Stucture to maintain a vector
10797 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
10798 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
10799 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
10800 New function prototypes.
10801 * flow.c (create_edge_list): Function to create an edge list.
10802 (free_edge_list): Discards memory used by an edge list.
10803 (print_edge_list): Debug output showing an edge list.
10804 (verify_edge_list): Internal consistency check for an edge list.
10805 (find_edge_index): Function to find an edge index for a pred and succ.
10807 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
10809 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
10812 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
10814 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
10816 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10818 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
10820 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
10822 * toplev.c (rest_of_compilation): Allow machine dependent
10823 reorganisation pass to place information into the RTL dump
10824 file if it so wishes.
10826 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
10828 * explow.c (hard_function_value): Use VOIDmode instead of
10830 * stmt.c (expand_return): Likewise.
10831 * stor-layout.c (get_best_mode): Likewise.
10833 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
10834 emit call instead of emit_insn call.
10836 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
10838 * configure.in: Handle --disable/enable-win32-registry.
10839 * install.texi: Document --disable/enable-win32-registry.
10840 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
10841 (WIN32_REGISTRY_KEY): New macro.
10842 * prefix.c: Use to enable/disable win32-specific code.
10843 (lookup_key): Use versioned key.
10844 * configure: Regenerate.
10845 * config.in: Likewise.
10847 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
10849 * cpplib.c (read_line_number): New fn, split out of...
10852 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
10854 tree.c (lang_unsave_expr_now) : New.
10855 (unsave_expr_now): Call lang_unsave_expr_now.
10856 tree.h (lang_unsave_expr_now) : New.
10858 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
10860 * toplev.c (flag_new_exceptions): On by default.
10862 1999-08-13 Michael Meissner <meissner@cygnus.com>
10864 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
10866 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
10868 * dwarfout.c (fundamental_type_code): Return FT_boolean for
10869 INTEGER_TYPE with precision==1, it's __java_boolean.
10871 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10873 * global.c (prune_preferences): Move some invariants out of the
10876 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
10878 * configure.in (alpha*-dec-osf*): Add osf5.
10880 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
10882 * configure.in: Rework handling of ARM GNU/Linux slightly.
10883 (arm*-*-linux-gnuoldld): New target.
10884 * configure: Regenerate.
10885 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
10886 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
10887 * config/arm/linux-oldld.h: New file.
10888 * config/arm/linux-elf26.h: Don't include linux-elf.h.
10889 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
10891 * config/arm/linux-elf.h (ASM_SPEC): Define.
10892 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
10893 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
10894 for 26-bit APCS and old linker.
10895 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
10897 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
10898 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
10899 don't define `arm' or `arm_elf'.
10900 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
10901 MULTILIB_DIRNAMES): Define. Fix typo in comment.
10903 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
10905 * rtl.texi: Fix typo.
10907 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
10909 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
10911 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
10913 * extend.texi (C++ Signatures): Remove node.
10914 * invoke.texi: Remove discussion of -fhandle-signatures,
10915 signature, sigof, __signature__, and __sigof__.
10917 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
10919 * Makefile.in (JAVAGC): Removed.
10921 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
10923 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10925 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
10927 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
10929 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
10931 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
10932 a register that is already known to be a pointer.
10934 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
10936 * fixinc/inclhack.tpl: Only install assert.h conditionally.
10937 * fixinc/inclhack.sh: Regenerated.
10938 * fixinc/fixincl.sh: Regenerated.
10940 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
10942 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
10943 Fix documentation of -ansi flag to describe its C++ behavior.
10944 Remove bogus reference to GCC 2.9.
10946 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
10948 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
10949 note if it is non-NULL.
10951 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10953 * except.h (eh_nesting_info): Add new structure defintion.
10954 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
10955 (reachable_handlers, update_rethrow_references): Add function
10957 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
10958 a rethrow symbol instead of an integer exception region number.
10959 * flow.c (Make_edges): Use new exception nesting routines to determine
10960 which handlers are reachable from a CALL or asynchronous insn.
10961 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
10963 (delete_eh_regions): Update rethrow labels, and don't delete
10964 regions which are the target of a rethrow.
10965 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
10966 avoid overloading the SYMBOL_REF_USED flag.
10967 (rethrow_symbol_map): Use new rethrow_ref field.
10968 (rethrow_used): Use new rethrow_ref field.
10969 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
10970 of an integer. Fix formatting.
10971 (output_exception_table_entry): Use new rethrow_ref field.
10972 (can_throw): Check for EH_REGION_NOTE before deciding
10973 whether a CALL can throw or not.
10974 (scan_region): Call rethrow_used() instead of accessing data structure.
10975 (update_rethrow_references): New function to make sure only regions
10976 which are still targets of a rethrow are flagged as such.
10977 (process_nestinfo): New static function to initialize a handler
10978 list for a specific region.
10979 (init_eh_nesting_info): New function to allocate and initialize
10980 the list of all EH handlers reachable from all regions.
10981 (reachable_handlers): New function to retrieve the list of handlers
10982 reachable from a specific region and insn.
10983 (free_eh_nesting_info): New function to dispose of a list of
10984 reachable handlers.
10986 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10988 * flow.c (split_edge): Set JUMP_LABEL field.
10989 (commit_one_edge_insertion): Set head correctly for insert_before.
10990 When inserting insns, update insn block numbers if allocated.
10992 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10994 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
10995 retry_incomplete_types): Add static prototype.
10996 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
10997 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
10998 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
10999 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
11000 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
11003 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
11004 dwarf2out_start_source_file, dwarf2out_line): Likewise.
11006 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11008 * output.h (assemble_name): Constify a char*.
11010 * varasm.c (UNIQUE_SECTION, assemble_start_function,
11011 assemble_variable, assemble_name): Likewise.
11013 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
11015 * arm/pe.c (arm_pe_unique_section): Likewise.
11017 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
11019 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
11021 * i386/interix.c (i386_pe_unique_section): Likewise.
11023 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
11025 * i386/winnt.c (i386_pe_unique_section): Likewise.
11027 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
11029 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
11031 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
11033 * pa/pa.c (output_call): Likewise.
11035 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
11037 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
11039 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
11042 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
11045 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
11047 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
11048 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
11050 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
11052 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11054 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
11056 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11058 * tree.h (lang_identify): Constify a char*.
11059 (print_error_function): Add extern prototype. Constify a char*.
11061 * c-lang.c (lang_identify): Constify a char*.
11063 * objc/objc-act.c (lang_identify): Constify a char*.
11065 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11067 * genpeep.c (main): Make generated file include "function.h".
11068 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
11070 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11072 * Makefile.in: Update dependencies.
11073 * alias.c: Include "function.h"
11074 * c-decl.c: Likewise.
11075 * caller-save.c: Likewise.
11076 * calls.c: Likewise.
11077 * combine.c: Likewise.
11079 * explow.c: Likewise.
11080 * final.c: Likewise.
11081 * global.c: Likewise.
11082 * graph.c: Likewise.
11083 * local-alloc.c: Likewise.
11084 * loop.c: Likewise.
11085 * optabs.c: Likewise.
11086 * profile.c: Likewise.
11087 * recog.c: Likewise.
11088 * regclass.c: Likewise.
11089 * regmove.c: Likewise.
11090 * reload.c: Likewise.
11091 * reorg.c: Likewise.
11092 * resource.c: Likewise.
11093 * sched.c: Likewise.
11094 * stupid.c: Likewise.
11095 * config/1750a/1750a.c: Likewise.
11096 * config/a29k/a29k.c: Likewise.
11097 * config/arc/arc.c: Likewise.
11098 * config/arm/arm.c: Likewise.
11099 * config/arm/thumb.c: Likewise.
11100 * config/c4x/c4x.c: Likewise.
11101 * config/clipper/clipper.c: Likewise.
11102 * config/convex/convex.c: Likewise.
11103 * config/fx80/fx80.c: Likewise.
11104 * config/i860/i860.c: Likewise.
11105 * config/m68k/m68k.c: Likewise.
11106 * config/m88k/m88k.c: Likewise.
11107 * config/mips/mips.c: Likewise.
11108 * config/pdp11/pdp11.c: Likewise.
11109 * config/pyr/pyr.c: Likewise.
11110 * config/romp/romp.c: Likewise.
11111 * config/sh/sh.c: Likewise.
11112 * config/tahoe/tahoe.c: Likewise.
11113 * config/vax/vax.c: Likewise.
11114 * config/we32k/we32k.c: Likewise.
11115 * config/sparc/sparc.c: Include "function.h".
11116 (mem_min_alignment): Test current_function rather than
11117 regno_pointer_align.
11118 * config/pa/pa.c: Likewise.
11119 (compute_frame_size): Delete declaration of
11120 current_function_outgoing_args_size.
11121 * config/arc/arc.h (current_function_varargs): Delete declaration.
11122 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
11124 * config/i370/i370.h (current_function_outgoing_args_size): Delete
11126 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
11127 current_function_uses_pic_offset_table.
11128 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
11129 of current_function_returns_pointer.
11130 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
11131 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
11132 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
11133 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
11134 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
11135 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
11136 * config/m88k/m88k.c: Include "function.h"
11137 (call_used_regs, current_function_pretend_args_size,
11138 current_function_outgoing_args_size, frame_pointer_needed): Delete
11140 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
11142 * config/mips/mips.h (current_function_calls_alloca): Delete
11144 * config/mn10200/mn10200.h (current_function_needs_context,
11145 rtx_equal_function_value_matters): Delete declarations.
11146 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
11147 flag_pic): Delete declarations.
11148 * config/pa/pa.h (current_function_pretend_args_size,
11149 current_function_decl): Delete declarations.
11150 * config/pa/som.h (current_function_varargs): Delete declaration.
11151 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
11153 * config/pyr/pyr.h (current_function_pretend_args_size,
11154 current_function_args_size, current_function_calls_alloca): Delete
11156 * config/sh/sh.h (current_function_varargs): Delete declaration.
11157 * config/sparc/sparc.h (current_function_outgoing_args_size,
11158 current_function_calls_alloca, current_function_decl): Delete
11160 * config/spur/spur.h (current_function_pretend_args_size,
11161 current_function_calls_alloca): Delete declarations.
11162 * config/v850/v850.c (current_function_outgoing_args_size): Delete
11164 * config/vax/vms.h (current_function_name): Delete declaration.
11165 * gcse.c: Include "function.h".
11166 (current_function_name, current_function_calls_setjmp): Delete
11168 * haifa-sched.c: Include "function.h".
11169 (forced_labels): Delete declaration.
11170 * jump.c: Likewise.
11171 * reg-stack.c: Likewise.
11172 * reload1.c: Likewise.
11173 * genemit.c (main): Make generated file include function.h.
11174 * genoutput.c (output_prologue): Likewise.
11176 * builtins.c (saveregs_value, apply_args_value): Delete variables.
11177 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
11178 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
11179 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
11180 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
11181 macros for some of them.
11182 (emit_filename, emit_lineno): Delete declarations.
11183 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
11184 regno_pointer_* variables through current_function.
11185 (gen_inline_header_rtx): Delete function.
11186 (save_emit_status): Delete function.
11187 (set_new_last_label_num): New function.
11188 (clear_emit_caches): New function.
11189 (restore_emit_status): Just clear last_labelnum and call
11191 (get_last_insn_anywhere): Variable sequence_stack is now accessed
11192 through macro seq_stack.
11193 (add_insn_after): Likewise.
11194 (add_insn_before): Likewise.
11195 (remove_insn): Likewise.
11196 (pop_topmost_sequence): Likewise.
11197 (in_sequence_p): Likewise.
11198 (start_sequence_for_rtl_expr): Likewise.
11199 (start_sequence): Likewise, and likewise for
11200 sequence_rtl_expr/seq_rtl_expr.
11201 (push_topmost_sequence): Likewise.
11202 (end_sequence): Likewise.
11203 (init_virtual_regs): Now takes a "struct emit_status *" argument.
11204 All callers changed. Store into that pointer instead of globals.
11205 (init_emit): Allocate emit elt of current_function.
11206 Changes for sequence_rtl_expr/sequence_stack renaming.
11207 Call clear_emit_caches instead of doing it in-line.
11208 Access regno_pointer_* variables through current_function.
11209 (init_emit_once) Don't clear sequence_stack.
11211 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
11213 (arg_pointer_save_area): Delete declaration.
11214 (finish_expr_for_function): Renamed from init_queue; no longer static.
11215 (init_expr): Don't call init_queue.
11216 (save_expr_status, restore_expr_status): Delete functions.
11217 (expand_expr): Changes to reflect new layout of struct function.
11218 Don't access current_function_check_memory_usage when current_function
11220 * expr.h (forced_labels, save_expr_regs, saveregs_value,
11221 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
11222 current_function_outgoing_args_size, current_function_arg_offset_rtx,
11223 current_function_uses_const_pool, function_call_count,
11224 current_function_uses_pic_offset_table, nonlocal_labels,
11225 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
11226 current_function_check_memory_usage, nonlocal_goto_handler_slots,
11227 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
11229 (finish_expr_for_function): Declare.
11230 * flags.h (current_function_has_nonlocal_label,
11231 current_function_has_nonlocal_goto, current_function_is_thunk,
11232 current_function_has_computed_jump): Delete declarations.
11233 * flow.c (forced_labels): Delete declaration.
11234 * function.c (current_function_pops_args,
11235 current_function_returns_struct, current_function_returns_pcc_struct,
11236 current_function_needs_context, current_function_calls_setjmp,
11237 current_function_calls_longjmp, current_function_has_nonlocal_label,
11238 current_function_has_nonlocal_goto, current_function_is_thunk,
11239 current_function_has_computed_jump, current_function_calls_alloca,
11240 current_function_contains_functions, current_function_returns_pointer,
11241 current_function_epilogue_delay_list, current_function_args_size,
11242 current_function_pretend_args_size, current_function_arg_offset_rtx,
11243 current_function_outgoing_args_size, current_function_varargs,
11244 current_function_stdarg, current_function_args_info, cleanup_label,
11245 current_function_name, current_function_uses_const_pool,
11246 current_function_instrument_entry_exit, current_function_return_rtx,
11247 current_function_uses_pic_offset_table, nonlocal_labels,
11248 current_function_internal_arg_pointer, current_function_cannot_inline,
11249 current_function_check_memory_usage, function_call_count,
11250 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
11251 nonlocal_goto_stack_level, return_label, save_expr_regs,
11252 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
11253 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
11254 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
11255 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
11256 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
11258 (push_function_context_to): Don't save them. Don't call
11259 save_storage_status, save_emit_status or save_expr_status.
11260 (pop_function_context_from): Don't restore them. Don't call
11261 restore_storage_status or restore_expr_status.
11262 (get_func_frame_size): New function.
11263 (get_frame_size): Use it.
11264 (assign_outer_stack_local): Reflect some member name changes in struct
11266 (put_reg_into_stack): Likewise.
11267 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
11269 (fixup_var_refs): Likewise.
11270 (fix_lexical_addr): Likewise.
11271 (trampoline_address): Likewise.
11272 (prepare_function_start): Clear field inlinable of current_function.
11273 (init_function_for_compilation): New function.
11274 (expand_dummy_function_end): New function.
11275 (expand_function_end): Call finish_expr_for_function.
11276 * function.h (struct emit_status): New; fields moved here from struct
11277 function and from global variables. Add accessor macros for some of
11279 (struct expr_status): Likewise.
11280 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
11281 (struct function): Add fields expr and emit, inlinable, inl_emit,
11282 original_arg_vector, original_decl_initial, inl_last_parm_insn,
11283 inl_max_label_num. Add many comments.
11284 Add accessor macros for all elts of struct function that no longer
11285 have a global variable.
11286 (cleanup_label, return_label, frame_offset, tail_recursion_label,
11287 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
11288 stack_slot_list): Delete declarations.
11289 (get_func_frame_size): Declare.
11290 (save_expr_status, restore_expr_status, save_emit_status,
11291 save_storage_status, restore_storage_status): Delete declarations.
11292 (init_virtual_regs): Declare.
11293 * output.h (current_function_pops_args,
11294 current_function_returns_struct, current_function_returns_pcc_struct,
11295 current_function_needs_context, current_function_calls_setjmp,
11296 current_function_calls_longjmp, current_function_calls_alloca,
11297 current_function_has_nonlocal_label, current_function_varargs,
11298 current_function_has_computed_jump, current_function_returns_pointer,
11299 current_function_contains_functions, current_function_args_size,
11300 current_function_pretend_args_size, current_function_stdarg,
11301 current_function_outgoing_args_size, current_function_args_info,
11302 current_function_name, current_function_return_rtx,
11303 current_function_epilogue_delay_list,
11304 current_function_uses_const_pool, current_function_cannot_inline):
11305 Delete declarations.
11306 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
11307 regno_reg_rtx): Delete declaration.
11308 (REGNO_POINTER_FLAG): Delete macro.
11309 * stmt.c (expand_goto): Changes to reflect that some fields in struct
11310 function were renamed.
11311 * stor-layout.c (save_storage_status, restore_storage_status): Delete
11313 * toplev.c: Include "function.h".
11314 (current_function_decl): Delete declaration.
11315 (compile_file): Call init_dummy_function_start and
11316 expand_dummy_function_end around some initializations that need to
11318 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
11319 Call init_function_for_compilation.
11320 * unroll.c: Include "function.h"
11321 (unroll_loop): Access regno_pointer_* variables through
11324 * tree.h (struct tree_decl): Add elt f to saved_insns member.
11325 (DECL_SAVED_INSNS): use it.
11326 (expand_dummy_function_end): Declare.
11327 (init_function_for_compilation): Declare.
11328 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
11329 that it's no longer an INLINE_HEADER.
11330 (expand_call): Likewise.
11331 * integrate.c (finish_inline): Delete function.
11332 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
11333 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
11334 args. Don't generate an INLINE_HEADER rtx, just return the arg
11335 vector. All callers changed.
11336 (save_for_inline_copying): Create a duplicate struct emit_status to
11337 hold the emit state for compiling the current function. Use this and
11338 the other new fields in struct function that are for integration
11339 instead of an INLINE_HEADER.
11340 Use memcpy instead of bcopy.
11341 Store the current struct function in DECL_SAVED_INSNS of fndecl.
11342 (save_for_inline_nocopy): Similar changes, except no new emit_status
11344 (expand_inline_function): Get information from function structure,
11345 not from an inline header rtx.
11346 (output_inline_function): Lose code to extract the necessary
11347 information from an inline header; simply put back the function
11348 structure into current_function. Clear its inlinable elt.
11349 * rtl.def (INLINE_HEADER): Delete.
11350 * rtl.h: Delete all accessors for an INLINE_HEADER.
11351 (gen_inline_header_rtx): Delete declaration.
11352 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
11353 Delete declarations.
11354 (REGNO_POINTER_ALIGN): Delete.
11355 (clear_emit_caches): Declare.
11356 (set_new_last_label_num): Declare.
11358 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
11360 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
11362 * except.c (expand_eh_region_start_for_decl): Always start a new block.
11363 * stmt.c (is_eh_region): Make sure current_function is present, too.
11365 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
11367 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
11368 for 64bit PA targets.
11370 * pa.h (SELECT_SECTION): Define.
11371 * som.h (SELECT_SECTION): Delete.
11373 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11375 * alias.c (init_alias_analysis): Wrap call to
11376 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
11378 1999-08-07 Bruce Korb <autogen@linuxbox.com>
11380 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
11381 <sys/asm.h> contains an asm comment with an apostrophe
11382 * fixinc/inclhack.sh: regen
11383 * fixinc/fixincl.x: regen
11385 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
11387 * function.c (init_function_start): Clear prologue & epilogue.
11388 (prologue_epilogue_contains): New function.
11389 * alias.c (init_alias_analysis): Use it.
11390 * rtl.h (prologue_epilogue_contains): Declare it.
11392 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
11394 * jump.c (onlyjump_p): New function.
11395 * rtl.h: Declare it.
11396 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
11397 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
11399 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
11401 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
11402 to invert loops. Simplify block scanning.
11404 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11406 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
11407 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
11409 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
11411 * config/sparc/liteelf.h: New file to support sparclite-elf target
11412 * config/sparc/t-sp86x: New file to support sparc86x targets
11413 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
11414 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
11415 * configure.in: Support above target triplets
11416 * configure: Regenerated
11418 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
11420 * fixinc/server.c (server_setup): Do not prefix function used as
11421 parameter with `&'.
11423 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
11425 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
11426 Remove fp reg alternatives.
11428 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
11430 * Makefile.in (TAROUTOPTS): Kill.
11431 (install-headers-tar): Use "xpf" for tar headerfile extraction
11432 * i370/x-oe (TAROUTOPTS): Delete.
11433 * m68k/x-apollo68 (TAROUTOPTS): Delete.
11434 * m68k/x-hp320 (TAROUTOPTS): Delete.
11435 * m68k/x-hp320g (TAROUTOPTS): Delete.
11436 * gcc.texi: Update bug reporting text.
11438 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11440 * reg-stack.c (change_stack) Fixed problem with negative array index.
11442 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
11444 * extend.texi, install.texi: Fix spelling mistakes.
11446 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
11447 (s-attrtab); No longer try to use pre-made insn-attrtab file.
11448 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
11449 PREMADE_ATTRTAB_MD.
11450 * mips/t-ecoff: Likewise.
11451 * mips/t-elf: Likewise.
11452 * mips/t-mips: Likewise.
11453 * mips/t-osfrose: Likewise.
11454 * mips/t-r3900: Likewise.
11455 * mips/t-svr3: Likewise.
11456 * mips/t-svr4: Likewise.
11457 * mips/t-ultrix: Likewise.
11459 * gcc.texi: Document recommend means to provide software floating
11460 point libraries in libgcc.a
11462 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
11464 * c-lex.c (yylex): We can have a number with no digits.
11466 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
11468 * jump.c (delete_prior_computation): New function, broken
11469 out of delete_computation. Check for side effects with
11470 side_effects_p instead of FIND_REG_INC_NOTE. Handle
11471 multi-word hard registers.
11472 (delete_computation): Use it. Check for side effects with
11473 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
11474 missing REG_DEAD note for a register which is both set and
11477 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
11479 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
11480 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
11481 (ASM_FILE_START): Import _mcount with the right type.
11482 (ASM_DECLARE_FUNCTION_NAME): Define.
11483 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
11484 * pa.c (output_function_prologue): Always emit the function's label
11486 * pa.h (TEXT_SPACE_P): Define.
11487 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11488 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
11489 * som.h (TEXT_SPACE_P): Delete.
11490 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
11491 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
11493 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
11495 * expr.c (emit_group_load): Allow src to be a CONCAT.
11497 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11499 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
11500 (___mulsi3): Use '!' comment character.
11502 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11504 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
11506 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
11508 * gcc.c: Update URLs and mail addresses.
11509 * gcc.texi: Likewise.
11511 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
11513 * rs6000.c (current_file_function_operand): Return zero for
11515 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
11517 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
11520 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
11522 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
11523 allocate space in the stack frame for the PIC register.
11525 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
11527 * m68k.md (xordi3, anddi3): These patterns are not available on
11530 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
11532 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
11533 (PUT_REAL): Likewise.
11535 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11537 * final.c (shorten_branches): Don't add an alignment for loops
11538 that have no label inside.
11540 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11542 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
11543 prototypes in macro HAVE_cmpstrsi.
11545 * cpplib.c (cpp_get_token): Remove unused label `op3'.
11547 * emit-rtl.c (operand_subword): Remove unused variable
11550 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
11552 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
11554 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
11556 * cpphash.c (macroexpand): Delete leading whitespace when arg
11557 is concatenated before.
11558 (unsafe_chars): Correct test for whether + and - can extend a
11561 * cppinit.c (cpp_start_read): Do dependencies for
11562 -include/-imacros files also.
11564 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
11565 tokenizing non-directive lines.
11566 (cpp_expand_to_buffer): Temporarily disable no-output mode.
11567 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
11570 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11572 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
11574 * c-lex.c: Sync with C++ frontend.
11575 (linemode): New variable.
11576 (parse_float): imag, conversion_errno, and type are output only.
11577 (yylex): Adjust. Move initial '.' case into main switch.
11579 (handle_generic_pragma): Just deal with tokens.
11580 (readescape): Use ISXDIGIT and ISGRAPH.
11581 * c-parse.in: Add END_OF_LINE token.
11583 * c-lex.c (lang_init): Generalize.
11584 (nextchar): Remove. Replace uses with UNGETC.
11585 (skip_white_space): Handle linemode here. Optimize for cpplib.
11586 (skip_white_space_on_line): Remove.
11587 (extend_token_buffer_to): New fn.
11588 (extend_token_buffer): Use it.
11589 (read_line_number, check_newline): Just deal with tokens.
11590 (token_getch, token_put_back): New fns.
11591 (yylex): Use them. More cpplib optimizations. Simplify.
11593 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
11594 Jason Merrill <jason@yorick.cygnus.com>
11596 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
11597 (consume_string): Make this smart about USE_CPPLIB.
11598 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
11599 (yylex): Rewrite to be intelligent about USE_CPPLIB.
11600 Also, clean up cases where we redundantly set token_buffer[0].
11601 (read_line_number): New fn.
11602 (ignore_escape_flag): New variable.
11604 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
11606 * a29k/t-a29kbare: Fix some comments.
11607 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
11608 (FPBIT, DPBIT): Define.
11609 * a29k/t-vx29k: Likewise.
11610 * arc/t-arc: Likewise.
11611 * arm/t-arm-elf: Likewise.
11612 * arm/t-bare: Likewise.
11613 * arm/t-pe: Likewise.
11614 * arm/t-pe-thumb: Likewise.
11615 * arm/t-semi: Likewise.
11616 * arm/t-thumb: Likewise.
11617 * arm/t-thumb-elf: Likewise.
11618 * arm/t-thumb-linux: Likewise.
11619 * h8300/t-h8300: Likewise.
11620 * i960/t-i960: Likewise.
11621 * i960/t-vxworks960: Likewise.
11622 * m32r/t-m32r: Likewise.
11623 * mips/t-ecoff: Likewise.
11624 * mips/t-elf: Likewise.
11625 * mips/t-r3900: Likewise.
11626 * pa/t-pro: Likewise.
11627 * rs6000/t-aix43: Likewise.
11628 * rs6000/t-beos: Likewise.
11629 * rs6000/t-newas: Likewise.
11630 * rs6000/t-ppccomm: Likewise.
11631 * rs6000/t-rs6000: Likewise.
11632 * rs6000/t-winnt: Likewise.
11633 * rs6000/t-xnewas: Likewise.
11634 * rs6000/t-xrs6000: Likewise.
11635 * sh/t-sh: Likewise.
11636 * sparc/t-elf: Likewise.
11637 * sparc/t-sparcbare: Likewise.
11638 * sparc/t-sparclite: Likewise.
11639 * sparc/t-splet: Likewise.
11640 * v850/t-v850: Likewise.
11641 * mn10200/t-mn10200: Fix comments.
11642 * mn10300/t-mn10300: Likewise.
11644 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
11645 dummy operand. Allocate a new pseudo for the dummy operand.
11646 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
11648 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
11650 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
11652 * configure: Rebuilt.
11653 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
11655 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
11657 * recog.c (preproces_constraints): Zero recog_op_alt before
11658 processing the constraints.
11660 * arm.c (typedef minipool_node): Renamed from pool_node.
11661 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
11662 (add_minipool_constant): New function.
11663 (dump_minipool): New function.
11664 (find_barrier): Remove special case for getting the insn size of
11665 an insn that references the constant pool.
11666 (minipool_fixup): New structure.
11667 (push_minipool_barrier): New function.
11668 (push_minipool_fix): New function.
11669 (note_invalid_constants): New function.
11670 (add_pool_constant, dump_table, fixit, broken_move): Delete.
11671 (arm_reorg): Rewrite code to fix up the constant pool into a
11672 series of mini-pools embedded in the insn stream.
11673 (arm_output_epilogue): New function, made mainly from the body
11674 of output_func_epilogue.
11675 (output_func_epilogue): Move insn generation part of epilogue code
11676 to arm_output_epilogue.
11677 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
11678 * arm.md (pool_range): New attribute.
11679 (zero_extendqidi2): Add attribute pool_range.
11680 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
11681 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
11682 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
11683 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
11684 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
11685 (epilogue): New expand.
11686 (epilogue_insn): New insn. Call arm_output_epilogue.
11688 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
11689 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
11691 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
11693 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
11695 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
11697 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
11699 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
11701 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
11703 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
11705 * global.c: Fix comment.
11707 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
11709 * gcc.c (access_check): New static function.
11710 (find_a_file): Use it when searching a directory list.
11711 * collect2.c (find_a_file): Don't accept directories found when
11712 searching a directory list.
11714 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
11716 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
11717 function parameters with `&'.
11718 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
11720 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
11722 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
11723 or tidy_fallthru_edge if the last insn in the block is not
11724 an unconditional jump or a simple conditional jump.
11726 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11728 * Makefile.in (c-decl.o): Depends on defaults.h.
11730 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
11732 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
11734 (CLASS_MAX_NREGS): Likewise.
11736 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
11738 * cse.c (cse_insn): Fix dumb thinko in last change.
11740 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11742 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
11745 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
11747 * dwarf2out.c (add_location_or_const_value_attribute): Correct
11748 test for sizes of passed and declared parameter types.
11750 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11752 * fixincludes: Fix the return type of bsearch, char* -> void*.
11754 * fixinc/inclhack.def: Likewise.
11756 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
11758 * invoke.texi (-fdump-translation-unit): New option.
11760 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
11762 * expr.h (PROMOTE_PROTOTYPES): Move ...
11763 * defaults.h: ... to here.
11764 * c-decl.c: Include defaults.h instead of expr.h.
11765 * c-typeck.c: Include defaults.h.
11767 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
11769 * toplev.h (errorcount): Declare.
11770 (warningcount): Likewise.
11771 (sorrycount): Likewise.
11772 * c-lex.c (errorcount): Don't declare.
11773 * dwarf2out.c (errorcount): Don't declare.
11775 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
11777 * config/libgloss.h: Add a note discouraging use with ELF.
11778 * configure.in: Don't use libgloss.h for ELF targets.
11779 Always use_collect2 on a.out targets.
11781 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
11783 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
11784 (force_to_mode, case ASHIFTRT): Add shiftrt label.
11786 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11788 * loop.c (strength_reduce): When doing biv->giv conversion, update
11789 reg note of NEXT->insn.
11791 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11793 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
11795 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11797 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
11798 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
11799 Ensure expr.h is included.
11800 * c-typecheck.c (convert_arguments): Ditto.
11802 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
11804 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
11805 * config/convex/convex.h: Ditto.
11806 * config/dsp16xx/dsp16xx.h: Ditto.
11807 * config/fx80/fx80.h: Ditto.
11808 * config/gmicro/gmicro.h: Ditto.
11809 * config/i370/i370.h: Ditto.
11810 * config/i386/i386.h: Ditto.
11811 * config/m32r/m32r.h: Ditto.
11812 * config/m68k/m68k.h: Ditto.
11813 * config/m88k/m88k.h: Ditto.
11814 * config/mips/mips.h: Ditto.
11815 * config/pa/pa.h: Ditto.
11816 * config/pyr/pyr.h: Ditto.
11817 * config/tahoe/tahoe.h: Ditto.
11818 * config/we32k/we32k.h: Ditto.
11820 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
11821 based on arch size.
11823 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
11825 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
11828 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
11830 1999-08-02 Richard Henderson <rth@cygnus.com>
11832 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
11833 for the register spill block.
11834 (m32r_va_arg): New.
11835 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
11836 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
11838 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
11839 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
11840 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
11842 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11844 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
11845 MAX_WCHAR_TYPE defined in sparc.h.
11846 * config/sparc/linuxaout.h: Likewise.
11847 * config/sparc/linux64.h: Likewise.
11848 Also default to -mvis if CPU is UltraSPARC.
11850 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11852 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
11853 (RTX_OK_FOR_OLO10): Likewise.
11854 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
11855 %lo(), allow it in addresses...
11856 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
11857 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
11858 does not make sense.
11859 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
11860 (sparc_output_scratch_registers): New function.
11861 (output_function_prologue, sparc_flat_output_function_prologue): Use
11863 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
11865 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
11866 * configure.in: Add check for .register pseudo-op support in as and
11867 check for offsetable %lo().
11868 * acconfig.h: Add templates for the above checks.
11869 * configure: Regenerate.
11871 1999-08-02 Richard Henderson <rth@cygnus.com>
11873 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
11874 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
11875 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
11877 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11879 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
11882 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
11884 * config/float-sparc.h: New file.
11885 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
11886 sparc-*-linux-gnu and sparc64-*-linux*.
11888 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11890 * rs6000.c (rs6000_va_list): Type is an array.
11891 (rs6000_va_start): Don't doubly adjust for varargs.
11892 (rs6000_va_arg): Evaluate long long GPR adjustment.
11894 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
11896 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
11897 -maix64 and -maix32.
11898 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
11899 LINK_SPEC): Change appropriately.
11900 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
11901 (u_short_cint_operand): Likewise.
11902 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
11904 * rs6000/t-aix43 (MULTILIB): Change to -m64.
11906 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
11908 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
11910 * rs6000/rs6000.c (num_insns_constant_wide): Correct
11911 for type promotion.
11912 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
11913 (non_add_cint_operand): Likewise.
11914 (logical_operand): Likewise.
11915 (non_logical_cint_operand): Likewise.
11916 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
11917 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
11918 (rs6000_select_rtx_section): Suppress warning.
11919 (small_data_operand): Suppress warning.
11920 (rs6000_got_register): Suppress warning.
11921 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
11922 type, so `J' is generally the wrong constraint for a SImode value;
11924 (andsi3_internal2): Likewise.
11925 (andsi3_internal3): Likewise.
11926 (iorsi3_internal1): Likewise.
11927 (xorsi3_internal1): Likewise.
11929 (movsf_softfloat): Likewise.
11930 (scc insns): Likewise.
11931 (movsi+2): Preserve sign bits of SImode constant.
11932 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
11933 (movdf+1): Sign-extend properly.
11934 (movdi_32+1): Sign-extend properly.
11935 (scc insns): Sign-extend properly.
11937 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
11940 1999-08-02 Richard Henderson <rth@cygnus.com>
11942 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
11943 -mcpu parsing code.
11944 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
11945 * alpha.md (all fp insns): Likewise.
11947 1999-08-02 Nick Clifton <nickc@cygnus.com>
11949 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
11952 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
11954 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
11955 pic_load_label generator directly.
11956 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
11957 No longer a named pattern.
11959 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
11961 * explow.c (force_reg): Call force_operand if X does not
11962 satisfy general_operand.
11964 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
11966 * fix-header.c (main): When testing for CONTINUED, use string
11967 equality, not pointer equality.
11969 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
11971 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
11973 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
11975 * cse.c (cse_insn): Fix loop which deletes insns after a jump
11976 that has become an unconditional jump.
11978 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
11979 (output_function_epilogue): Similarly.
11981 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11983 * tree.h (init_dummy_function_start): Declare.
11985 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11987 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
11988 last_expr_type, last_expr_value, block_start_count, block_stack,
11989 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
11990 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
11991 dynamically in stmt elt of struct function for each function.
11992 (struct nesting): Rename function_call_count elt to n_function_calls,
11993 target_temp_slot_level to block_target_temp_slot_level. All users
11995 (struct stmt_status): New structure definition.
11996 Add many accessor macros for stmt_status elements which previously
11997 were global variables.
11998 (init_stmt_for_function): Allocate stmt elt for current_function.
11999 Reflect that block_start_count was renamed to
12000 current_block_start_count.
12001 (save_stmt_status, restore_stmt_status): Delete functions.
12002 (preserve_subexpressions_p): Don't access loop_stack when outside
12004 (expand_start_bindings): Reflect that block_start_count was renamed to
12005 current_block_start_count.
12006 (expand_fixup): Likewise.
12007 (expand_decl): Don't access block_stack when outside a function.
12008 (expand_decl_cleanup): Likewise.
12009 (expand_dcc_cleanup): Likewise.
12010 (expand_dhc_cleanup): Likewise.
12011 (expand_anon_union_decl): Likewise.
12012 (set_file_and_line_for_stmt): New function.
12013 (in_control_zone_p): New function.
12015 * function.h (struct function): Add new elt stmt.
12016 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
12017 case_stack, nesting_stack, nesting_depth, block_start_count,
12018 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
12019 emit_lineno, goto_fixup_chain.
12020 (save_eh_status, restore_eh_status, save_stmt_status,
12021 restore_stmt_status): Delete declarations.
12022 * function.c (push_function_context_to): Don't call save_stmt_status.
12023 (pop_function_context_to): Don't call restore_stmt_status.
12024 * tree.h (in_control_zone_p): Declare.
12025 * rtl.h (set_file_and_line_for_stmt): Declare.
12027 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
12028 call set_file_and_line_for_stmt.
12030 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
12032 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
12033 Also update copyright.
12035 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12037 * c-pragma.c: Don't include "except.h".
12038 * emit-rtl.c: Likewise.
12039 * stor-layout.c: Likewise.
12040 * tree.c: Likewise.
12041 * varasm.c: Likewise.
12043 * flow.c: Include "function.h".
12044 * tree.h (init_dummy_function_start): Declare new function.
12046 * except.h (struct eh_status): New structure.
12047 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
12049 (eh_return_stub_label, ehstack, catchstack, ehqueue,
12050 catch_clauses, false_label_stack, caught_return_label_stack,
12051 protect_list, current_function_ehc): Add accessor macros for the
12052 corresponding fields in current_function->eh; delete declarations
12053 for all items that used to be declared here.
12054 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
12055 catch_clauses, false_label_stack, caught_return_label_stack,
12056 protect_list, current_function_ehc): Delete variables.
12057 (init_eh_for_function): Allocate current_function->eh.
12058 (save_eh_status, restore_eh_status): Delete functions.
12060 * function.h (struct function): Add fields next_global and eh.
12061 Delete all exception handling related fields.
12062 * function.c (current_function): New variable.
12063 (all_functions): New variable.
12064 (push_function_context_to): Don't allocate a struct function,
12065 use current_function instead. Call init_dummy_function_start when
12066 outside a function. Clear current_function before returning.
12067 (pop_function_context_from): Restore current_function.
12068 Don't free the restored struct function.
12069 (prepare_function_start): New function.
12070 (init_dummy_function_start): New function.
12071 (init_function_start): Break out some code into prepare_function_start
12074 * stmt.c (save_stmt_status): Don't call save_eh_status.
12075 (restore_stmt_status): Don't call restore_eh_status.
12077 * Makefile.in: Update dependencies.
12079 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
12081 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
12082 of depending on a magic constant value. Update comments.
12083 (hppa_expand_prologue): Similarly.
12085 * pa.md (reload_indi, reload_outdi): Allow any register for the
12086 original reload register.
12088 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
12090 * cccp.c (print_help): Change marcos to macros.
12092 1999-07-30 Richard Henderson <rth@cygnus.com>
12094 * c-typeck.c (initializer_constant_valid_p): Move ...
12095 * c-common.c (initializer_constant_valid_p): ... here. Use
12096 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
12097 of label addresses.
12098 * c-common.h (initializer_constant_valid_p): Declare.
12099 * c-tree.h (initializer_constant_valid_p): Remove.
12101 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
12103 * config/i386/sol2-c1.asm: Align the stack.
12104 * config/i386/sol2-gc1.asm: Likewise.
12106 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
12108 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
12109 -Asparclite for sparc86x.
12110 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
12112 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
12114 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
12116 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
12117 the user if using the non-default arch size in BI_ARCH configuration.
12118 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
12120 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
12121 Fix patterns so that they actually match.
12122 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
12123 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
12124 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
12126 (mulsidi3): Reflect this in the expand.
12127 (smulsi3_highpart): Only on TARGET_ARCH32.
12128 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
12129 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
12130 (umulsidi3): Reflect this in the expand.
12131 (umulsi3_highpart): Only on TARGET_ARCH32.
12132 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
12133 don't require g0 to be zero.
12134 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
12135 ({,u}divsi3): New expands.
12136 ({,u}divsi3_sp64): New patterns.
12137 (after lshrdi3_v8plus): Four new patterns to help combiner
12138 optimizing nested mixed mode shifts.
12140 * config/sparc/sparc.c (sparc_override_options): Use deprecated
12141 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
12142 speed things up. Don't use them by default on plain v9 in 64bit
12143 mode, according to what SPAMv9 sais.
12145 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
12146 top 32 bits of %[og][0-7] in signal handlers.
12147 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
12149 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
12151 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
12152 (ashlsi3): Corresponding changes.
12154 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
12156 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
12158 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
12160 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12162 * arm.h (Hint): Delete macro.
12163 Substitute HOST_WIDE_INT for Hint in some prototypes.
12164 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
12166 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
12168 * builtins.c (expand_builtin_setjmp): Use force_operand to
12169 make sure that the buffer address is in a suitable form to be
12170 passed to force_reg.
12172 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
12174 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
12177 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
12179 * pa.md (indirect_jump): Remove mode from match_operand. Verify
12180 proper mode in the condition string.
12181 (icacheflush, dcacheflush): Remove modes from match_operands.
12183 * pa.c (emit_move_sequence): Always convert scratch_reg to the
12184 proper mode before using it.
12186 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
12189 * pa.c (store_reg): Do not call add_high_const generator directly.
12190 (load_reg, set_reg_plus_d): Likewise.
12191 * pa.md (add_high_const): No longer a named pattern.
12193 * pa.c (legitimize_address): Consistently use Pmode rather than
12194 SImode. Do not call gen_pic2_highpart directly anymore.
12195 * pa.md (pic2_highpart): No longer a named pattern.
12196 (pic2_lo_sum): Similarly. Reformat to make more readable.
12198 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
12203 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12205 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
12207 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
12209 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
12210 and tag the spill mems.
12211 (hppa_va_start): New.
12212 (hppa_va_arg): New.
12213 * pa.h (EXPAND_BUILTIN_VA_START): New.
12214 (EXPAND_BUILTIN_VA_ARG): New.
12216 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
12218 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
12219 and tag the spill mems.
12220 (mn10300_va_start): New.
12221 (mn10300_va_arg): New.
12222 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
12223 (EXPAND_BUILTIN_VA_ARG): New.
12225 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
12227 * mn10200.c (mn10200_va_arg): New.
12228 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
12230 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
12232 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
12233 rather than play with TREE_INT_CST_LOW.
12235 1999-07-27 Philip Blundell <pb@nexus.co.uk>
12237 * config/arm/telf.h: Include dbxelf.h.
12238 (CPP_PREDEFINES): Only define if not already defined.
12239 (ASM_IDENTIFY_GCC): Likewise.
12240 (SUBTARGET_EXTRA_SECTIONS): Likewise.
12241 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
12242 * config/arm/thumb.h (LINK_SPEC): Only define if not already
12244 (DBX_DEBUGGING_INFO): Don't define.
12245 * config/arm/linux-telf.h: New file.
12246 * config/arm/linux-tgas.h: New file.
12247 * config/arm/t-thumb-linux: New file.
12248 * config/arm/uclinux-elf.h: New file.
12249 * config/arm/uclinux-telf.h: New file.
12250 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
12251 thumb-*-uclinux): New targets.
12252 * configure: Regenerate.
12254 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
12256 * pa.md (post_store, pre_load): New expanders.
12257 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
12258 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
12259 need to directly generate RTL for them.
12260 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
12263 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
12265 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
12266 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
12267 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
12268 (secndary_reload_class): Make TARGET_ELF conditional compile.
12269 (print_operand_address): Similar.
12270 (output_toc): Print all values as hex.
12271 (get_issue_rate): Rearrange and add RS64A and PPC630.
12272 * rs6000.h (processor_type): Add RS64A and PPC630.
12273 (PROCESSOR_POWERPC64): New.
12274 (PROMOTE_MODE): Use word_mode.
12275 (RTX_COSTS): Add RS64A and PPC630.
12276 * rs6000.md (scheduling information): Add lmul and ldiv
12277 representing 64-bit integer multiply and divide. Add rs64a and
12278 PPC630 information.
12279 (ashldi3): Add support for "rldic" instruction.
12280 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
12282 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
12284 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
12285 instead of V8 for sparclite86x in cpu_table.
12287 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12289 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
12290 output_file_directive.
12292 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
12294 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
12295 tree for op1, not the rtl.
12297 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
12299 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
12300 to m88k_va_start, leaving only the register spill.
12301 (m88k_build_va_list): New.
12302 (m88k_va_start): New.
12303 (m88k_va_arg): New.
12304 * m88k.h (BUILD_VA_LIST_TYPE): New.
12305 (EXPAND_BUILTIN_VA_START): New.
12306 (EXPAND_BUILTIN_VA_ARG): New.
12308 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
12310 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
12311 Rename from expand_builtin_saveregs.
12312 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
12314 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
12316 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
12317 for the register spill block.
12318 (i960_build_va_list): New.
12319 (i960_va_start): New.
12320 (i960_va_arg): New.
12321 * i960.h (BUILD_VA_LIST_TYPE): New.
12322 (EXPAND_BUILTIN_VA_START): New.
12323 (EXPAND_BUILTIN_VA_ARG): New.
12324 * i960.md (store_multiple): Use change_address on individul mems.
12326 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
12328 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
12330 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
12331 (expand_builtin_va_end): Evaluate arg for side effects.
12332 * c-common.c (c_common_nodes_and_builtins): Construct a
12333 va_list_arg_type_node to handle array decomposition to pointer.
12335 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
12337 * except.c (start_dynamic_cleanup): Use force_operand on the
12340 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
12342 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
12343 * c4x.c (c4x_va_arg): New.
12345 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
12347 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
12348 has manual_pop set.
12350 1999-07-26 Nathan Sidwell <nathan@acm.org>
12352 * eh-common.h (__eh_matcher): Prototype correctly.
12354 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
12356 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
12357 (TARGET_SINGLE_PIC_BASE): Likewise.
12358 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
12360 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
12361 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
12362 (TARGET_OPTIONS): Add -mpic-register=N.
12363 (OUTPUT_INT_ADDR_CONST): New macro.
12364 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
12365 LEGITIMATE_PIC_OPERAND_P): Likewise.
12366 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
12367 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
12368 output_addr_const directly.
12369 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
12371 (thumb_pic_register, thumb_pic_register_string): Declare.
12373 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
12375 (label_mentioned_p): New function: Imported from arm.c.
12376 (legitimize_pic_address): New function: Imported from arm.c.
12377 (is_pic):New function: Imported from arm.c.
12378 (thumb_finalize_pic):New function: Imported from arm.c.
12379 (add_constant): Cope with PIC constants.
12380 (fixit): Cope with PIC constants.
12381 (output_return): Do not treat the PIC register as live if
12382 TARGET_SINGLE_PIC_BASE is true.
12383 (thumb_function_prologue): Do not treat the PIC register as live if
12384 TARGET_SINGLE_PIC_BASE is true.
12385 (thumb_expand_prologue): Do not treat the PIC register as live if
12386 TARGET_SINGLE_PIC_BASE is true.
12387 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
12388 TARGET_SINGLE_PIC_BASE is true.
12389 (thumb_print_operand): Accept '|'.
12390 (thumb_override_options): Process PIC options.
12392 * config/arm/thumb.md (movsi): Support PIC.
12393 (call_insn): Change "i" constraint to "X".
12394 (call_value_insn): Likewise.
12395 (consttable_4, consttable_8, consttable_end): Set and clear
12396 "making_const_table" as appropriate.
12397 (pic_load_addr, pic_add_dot_plus_four): New insns.
12399 * invoke.texi (Thumb Options): Fix spelling. Document new
12400 options -msingle-pic-base and -mpic-register=.
12402 1999-07-26 Andrew Haley <aph@cygnus.com>
12404 * config/m32r/initfini.c (__init): Use a full word immediate for
12405 __fini: this allows it to be placed in any memory region.
12407 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
12408 -mmodel=medium. This is OK for all memory models.
12410 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
12412 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
12413 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
12415 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
12417 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
12420 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
12422 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
12424 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
12425 (BUILD_VA_LIST_TYPE): New.
12426 (EXPAND_BUILTIN_VA_START): New.
12427 (EXPAND_BUILTIN_VA_ARG): New.
12428 * i860.c (output_delayed_branch): Disable.
12429 (output_delay_insn): Likewise.
12430 (i860_saveregs): New.
12431 (i860_build_va_list): New.
12432 (i860_va_start): New.
12433 (i860_va_arg): New.
12434 * i860.md: Disable all peepholes using output_delayed_branch.
12435 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
12437 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
12439 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
12440 (BUILD_VA_LIST_TYPE): New.
12441 (EXPAND_BUILTIN_VA_START): New.
12442 (EXPAND_BUILTIN_VA_ARG): New.
12443 * clipper.c (clipper_builtin_saveregs): Only dump registers.
12444 Return the address of the save area.
12445 (clipper_build_va_list): New.
12446 (clipper_va_start): New.
12447 (clipper_va_arg): New.
12449 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
12451 * arc.h (EXPAND_BUILTIN_VA_START): New.
12452 (EXPAND_BUILTIN_VA_ARG): New.
12453 * arc.c (arc_setup_incoming_varargs): Set alias set of
12455 (arc_va_start): New.
12458 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
12460 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
12461 (BUILD_VA_LIST_TYPE): New.
12462 (EXPAND_BUILTIN_VA_START): New.
12463 (EXPAND_BUILTIN_VA_ARG): New.
12464 * alpha.c (alpha_builtin_saveregs): Delete.
12465 (alpha_build_va_list): New.
12466 (alpha_va_start): New.
12467 (alpha_va_arg): New.
12469 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
12471 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
12473 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
12474 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
12476 * gcc.texi: More changes related to list conversion.
12477 * invoke.texi: Likewise.
12479 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
12481 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
12482 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
12483 (expand_builtin_next_arg): Accept ARGLIST not EXP.
12484 (stabilize_va_list): New function.
12485 (std_expand_builtin_va_start): New function.
12486 (expand_builtin_va_start): New function.
12487 (get_varargs_alias_set): New function.
12488 (std_expand_builtin_va_arg): New function.
12489 (expand_builtin_va_arg): New function.
12490 (expand_builtin_va_end): New function.
12491 (expand_builtin_va_copy): New function.
12492 (expand_builtin): Call them.
12493 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
12494 __builtin_{varargs_start,stdarg_start,end,copy}.
12495 (build_va_arg): New function.
12496 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
12497 (build_va_arg): Declare.
12498 * c-decl.c (ptr_type_node, va_list_type_node): New.
12499 * c-parse.gperf (__builtin_va_arg): New.
12500 * c-parse.in (VA_ARG): New token.
12501 (unary_expr): Recognize it.
12502 * expr.c (expand_expr): Expand VA_ARG_EXPR.
12503 * expr.h (std_expand_builtin_va_start): Declare.
12504 (std_expand_builtin_va_arg): Declare.
12505 (expand_builtin_va_arg): Declare.
12506 (get_varargs_alias_set): Declare.
12507 * tree.def (VA_ARG_EXPR): New.
12508 * tree.h (BUILT_IN_VARARGS_START): New.
12509 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
12510 (ptr_type_node, va_list_type_node): Declare.
12511 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
12512 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
12513 * m88k.h, m88k.c: Likewise.
12514 * mn10300.h, mn10300.c: Likewise.
12515 * pa.h, pa.c: Likewise.
12516 * rs6000.h, rs6000.c: Likewise.
12517 * sh.h, sh.c: Likewise.
12518 * sparc.h, sparc.c: Likewise.
12520 * emit-rtl.c (operand_subword): Copy alias set.
12521 (change_address): Likewise.
12523 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
12525 * pa.c (compute_frame_size): Scan all the used callee saved registers,
12526 not just the first one.
12528 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
12530 * config/arm/arm.h (TARGET_SWITCHES): Add
12531 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
12532 (TARGET_OPTIONS): Add -mpic-register=.
12533 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
12534 (arm_pic_register_string): Declare.
12535 (NEED_PLT_GOT): Delete, replace with ...
12536 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
12537 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
12538 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
12539 * config/arm/arm.c (arm_override_options): Add new option
12541 (arm_pic_register_string): New variable.
12542 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
12543 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
12544 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
12545 (output_return_instruction): Likewise.
12546 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
12547 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
12548 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
12550 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
12551 mention of -msched-prolog. Document new options -msingle-pic-base
12552 and -mpic-register=.
12554 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
12556 * haifa-sched.c (reemit_notes): Tidy.
12557 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
12560 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
12562 * explow.c (trunc_int_for_mode): New function.
12563 (plus_constant_wide): Use it.
12564 * combine.c (simplify_and_const_int): Likewise.
12565 (merge_outer_ops): Likewise.
12566 (simplify_shift_const): Likewise.
12567 * cse.c (simplify_unary_operation): Likewise.
12568 (simplify_binary_operation): Likewise.
12569 * emit-rtl.c (operand_subword): Likewise.
12570 * rtl.h: Declare it.
12572 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12574 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
12575 (use NUM_REGS instead of NUM_INTS).
12577 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12579 * builtins.c: New file.
12580 * expr.c (saveregs_value, apply_args_value): Delete definition,
12581 moved into builtins.c.
12582 (string_constant): No longer static.
12583 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
12584 apply_args_size, apply_result_size, result_vector,
12585 expand_builtin_apply_args, expand_builtin_apply,
12586 expand_builtin_return): Delete functions, moved into builtins.c.
12587 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
12588 * expr.h (saveregs_value, apply_args_value): Declare variables.
12589 (expand_builtin, string_constant): Declare functions.
12590 * Makefile.in: Update to build builtin.o.
12592 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
12594 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
12595 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
12596 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
12597 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
12599 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
12602 1999-07-21 Michael Meissner <meissner@cygnus.com>
12604 * print-rtl.c (print_rtx): Print the names of the virtual
12607 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
12609 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
12610 introduced in previous delta.
12612 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12614 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
12615 to avoid name clash.
12617 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
12619 * c-lex.c (yylex) : Correct the test for overflow when lexing
12622 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
12624 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
12625 (adjust_priority): Always call ADJUST_PRIORITY.
12626 (schedule_insn): Only put insns into the ready at cost 0.
12627 (schedule_block): Remove redundant initial sort. Give clock_var
12628 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
12630 * tm.texi (MD_SCHED_REORDER): Update docs.
12632 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
12633 * sparc.c (ultra_reorder_called_this_block): Delete.
12634 (ultrasparc_sched_init): Don't set it.
12635 (ultrasparc_sched_reorder): Don't check it.
12637 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
12639 * rs6000.h (struct rs6000_args): Add sysv_gregno.
12640 * rs6000.c (init_cumulative_args): Init sysv_gregno.
12641 (function_arg_boundary): Align DFmode.
12642 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
12643 to get fp reg and stack overflow correct.
12644 (function_arg): Likewise.
12645 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
12646 (setup_incoming_varargs): Restructure for ABI_V4; use
12647 function_arg_advance to skip final named argument.
12648 (expand_builtin_saveregs): Properly unskip the last integer arg
12649 when doing varargs. Adjust overflow location calculation.
12651 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
12652 explicitly unsigned.
12653 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
12654 (__VA_GP_REGSAVE): Similarly.
12655 (__va_longlong_p): Delete.
12656 (__va_arg_type_violation): New declaration.
12657 (va_arg): Restructure. Flag promotion errors. Align double.
12658 TFmode passed by reference.
12660 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
12661 in the HOST_BITS_PER_WIDE_INT > 32 case.
12663 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
12665 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
12667 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
12669 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
12670 * toplev.c (documented_lang_options): Add -fpreprocessed.
12671 * cpplib.h (struct cpp_buffer): Add preprocessed.
12672 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
12673 (cpp_start_read): Don't expand macros or emit an initial #line
12674 directive if -fpreprocessed.
12676 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
12678 * cpplib.h (struct cpp_buffer): Added manual_pop for
12679 better C++ tokenization.
12680 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
12681 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
12682 * c-common.c (cpp_token): Make non-static.
12684 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12686 * c-common.h: New file.
12687 * c-common.c (permanent_obstack): Delete unused declaration.
12688 (c_global_trees): New array.
12689 (c_common_nodes_and_builtins): New function; split off common code
12690 from init_decl_processing in both c-decl.c and cp/decl.c.
12691 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
12692 c_global_trees and accessor macros defined in c-common.h.
12693 Include c-common.h.
12694 * c-decl.c: Delete definitions for tree nodes that were replaced by
12696 (init_decl_processing): Build void_list_node.
12697 Call c_common_nodes_and_builtins; delete code to generate the common
12699 * objc/objc-act.c (build_module_descriptor): Rename variable
12700 void_list_node to avoid clash with c-common.h.
12702 * Makefile.in: Update dependencies.
12703 * objc/Make-lang.in: Likewise.
12705 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
12707 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
12708 (UNIQUE_SECTION_P): Likewise.
12709 (UNIQUE_SECTION): Likewise.
12711 1999-07-19 Linas Vepstas <linas@linas.org>
12713 * config/i370/README: New file.
12714 * config/i370/linux.h: New file.
12715 * config/i370/mvs.h: New file.
12716 * config/i370/oe.h: New file.
12717 * config/i370/t-linux: New file.
12718 * config/i370/t-mvs: New file.
12719 * config/i370/t-oe: New file.
12720 * config/i370/x-oe: New file.
12721 * config/i370/xm-linux.h: New file.
12722 * config/i370/xm-mvs.h: New file.
12723 * config/i370/xm-oe.h: New file.
12725 * i370.c (label_node_t): Add first_ref_page, label_addr,
12726 label_first_ref, label_last_ref members.
12727 (mvs_need_base_reload): Renamed from mvs_label_emitted.
12728 (MAX_MVS_LABEL_SIZE): Define.
12729 (MAX_LONG_LABEL_SIZE): Define.
12730 (alias_node_t, alias_anchor, alias_number): New.
12731 (mvs_function_table): Reorder for EBCDIC.
12732 (ascebc, ebcasc): Unconditionally define.
12733 (i370_branch_dest, i370_branch_length): New functions.
12734 (i370_short_branch, i370_label_scan): New functions.
12735 (mvs_get_label): Renamed from mvs_add_label. Search for
12736 an existing label before creating a new one.
12737 (mvs_add_label): New function.
12738 (mvs_get_label_page): New function.
12739 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
12740 over the entire list.
12741 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
12742 (mvs_check_page) [TARGET_ELF_ABI]: New function.
12743 (mvs_add_alias, mvs_need_alias): New functions.
12744 (mvs_get_alias, mvs_check_alias): New functions.
12745 (handle_pragma): New function.
12746 (mvs_function_check): New function.
12747 (unsigned_jump_follows_p): Search harder.
12748 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
12749 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
12750 * i370.h (TARGET_VERSION): Delete.
12751 (CPP_SPEC, CPP_PREDEFINES): Delete.
12752 (mvs_label_emitted): Delete.
12753 (TARGET_EBCDIC): Delete.
12754 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
12755 (HANDLE_PRAGMA): Define.
12756 (HARD_REGNO_NREGS): Handle complex modes.
12757 (HARD_REGNO_MODE_OK): Likewise.
12758 (CLASS_MAX_NREGS): Likewise.
12759 (RET_REG): Likewise.
12760 (EXTRA_CONSTRAINT): Define.
12761 (RETURN_IN_MEMORY): True for DImode.
12762 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
12763 (FUNCTION_PROFILER): Delete.
12764 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
12765 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
12766 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
12767 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
12768 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
12769 (ASM_FILE_START): Add "RMODE ANY".
12770 (ASM_OUTPUT_EXTERNAL): Check for aliases.
12771 (ASM_GLOBALIZE_LABEL): Likewise.
12772 (ASM_OUTPUT_LABELREF): Likewise.
12773 (ASM_OUTPUT_COMMON): Likewise.
12774 (PRINT_OPERAND): Handle 'K', 'W', default.
12775 (PRINT_OPERAND_ADDRESS): New.
12776 (Lots of defines): Add support for TARGET_ELF_ABI.
12777 * i370.md (attr length): New. Define for all patterns.
12778 (*): Lots of tweeks to assembly output and constraints.
12780 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
12782 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
12783 Disable patterns performing SImode comparisons with SImode values
12784 if TARGET_POWERPC64 and instruction does not sign-extend or does
12785 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
12786 differ for signed quantities.
12787 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
12788 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
12789 (decrement_and_branch_on_count): Add 64-bit variant.
12791 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12793 * final.c (output_asm_insn): When searching for the matching string
12794 for a given dialect, don't run past the end of the list of
12795 alternatives if there are fewer alternatives in the template than
12798 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
12800 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
12801 Removed paragraph about compression of files and size limitation,
12802 duplicated in the FAQ. Use gcc-patches for posting patches.
12803 * gcc.c (main): Updated URL with bug reporting instructions to
12804 gcc.gnu.org. Removed e-mail address.
12805 * system.h (abort): Likewise.
12807 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12809 * Makefile.in (stmp-multilib-sub): Make the files extracted
12810 from $(LIBGCC1) writable.
12812 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
12814 * config/arm/aout.h: Reformat for improved readability.
12816 * config/arm/arm.h: Reformat for improved readability.
12817 Replace uses of fprintf with asm_fprintf where appropriate.
12818 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
12819 function declaration assembler actions.
12820 (NUM_INTS): New macro: Convert from bytes to words.
12821 (NUM_REGS): New macro: Compute number of registers required to
12822 hold a quanitity of tyep MODE.
12823 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
12825 (NUM_ARG_REGS): New macro: The number of argument registers
12827 (ARG_REGISTER): New macro: Compute the register number of the Nth
12829 (LAST_ARG_REGNUM): New macro: The number of the last argument
12831 (SP_REGNUM): New macro: Register number of the stack pointer.
12832 (FP_REGNUM): New macro: Register number of the frame pointer.
12833 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
12834 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
12835 CUMULATIVE_ARGS so that it counts registers not bytes.
12837 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
12839 Replace uses of fprintf with asm_fprintf where appropriate.
12840 (output_ascii_pseudo_op): Replace with version from thumb.c
12842 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
12844 * config/arm/elf.h (CPP_PREDEFINES): Replace with
12845 SUBTARGET_CPP_SPEC.
12846 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
12847 (ASM_FILE_START): Emit ASM_APP_OFF.
12849 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
12851 * pa.c (compute_frame_size): Round frame according to
12852 STACK_BOUNDARY rather than a hardwired value.
12854 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
12856 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
12858 * configure: Rebuilt.
12860 * configure.in (hppa*-*-linux*): New configuration.
12861 * configure: Rebuilt.
12862 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
12863 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
12864 * pa/pa-linux.h: New file.
12865 * pa/t-linux: New file.
12866 * pa/xm-linux.h: New file.
12868 * pa.c (hppa_legitimize_address): Change references from SImode to
12869 either Pmode or word_mode as appropriate.
12870 (emit_move_sequence, store_reg, load_reg): Likewise.
12871 (set_reg_plus_d, hppa_expand_prologue): Likewise.
12872 (output_mul_insn): Likewise.
12873 * pa.h (PROMOTE_MODE): Likewise.
12874 (INITIALZE_TRAMPOLINE): Likewise.
12875 (Pmode): Define to word_mode.
12877 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
12878 value of 4. Allocate 8 bytes for each FP register save.
12879 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
12881 (hppa_expand_prologue): Likewise.
12882 * pa.h (PROMOTE_MODE): Likewise.
12883 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
12884 (FUNCTION_ARG_BOUNDARY): Likewise.
12886 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
12888 * pa.c (out_of_line_prologue_epilogue): Delete.
12889 (override_options): Remove -mspace related code.
12890 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12891 (compute_frame_size): Only allocate space for register that
12892 actually need to be saved.
12893 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
12894 (TARGET_SWITCHES): Remove -mspace, -mno-space
12895 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
12896 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
12897 * pa/ee.asm, pa/ee_fp.asm: Delete.
12899 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
12901 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
12902 directive in column zero.
12904 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
12906 * m68k.c (output_function_prologue): Fix computation of save mask
12907 when generating PIC code.
12909 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
12911 * tree.c (build_type_attribute_variant): Move current_obstack restore
12912 after build_qualified_type call.
12914 1999-07-15 Mark Mitchell <mark@codesourcery.com>
12916 * configure.in: Use t-iris6, even with GNU LD.
12917 * config/mips/iris6gld.h: Fix typo in linker spec.
12918 * config/mips/t-iris6gld: Remove.
12920 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
12922 * rs6000.md (insv, extzv): Remove SImode dependence in named
12923 patterns. Explicitly generate DImode RTL if PowerPC64 and
12925 (insvdi): Reverse start and size in instruction template.
12927 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
12929 * invoke.texi: Typo fixes.
12931 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
12933 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
12934 handle at this time instead of silently generating incorrect code.
12935 (gen_imagpart): Likewise.
12937 * reload.c (find_reloads): Emit a USE for a pseudo register without
12938 a hard register if we could not create an optional reload for the
12941 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
12943 * c-typeck.c (output_init_element, process_init_element):
12944 When advancing constructor_unfilled_fields for a RECORD_TYPE,
12945 check for nameless bit fields.
12947 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
12949 * regclass.c (scan_one_insn): Notice subregs that change the
12950 size of their operand.
12951 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
12953 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
12955 * configure.in (alpha*-*-*): Include alpha/t-ieee.
12956 * configure: Rebuilt.
12957 * alpha/t-ieee: New file.
12959 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
12961 * rs6000.c (find_addr_reg): Do not select r0 as an address
12964 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
12966 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
12968 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
12970 * rs6000.md (movsf): Do not force easy FP constants into memory.
12972 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
12973 immed_double_const to ensure they are properly truncated then
12976 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
12978 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
12979 always unless NO_DEBUG is used. Compile this code
12981 (replace_symbols_in_block): Compile it unconditionally.
12983 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
12985 * configure.in (i?86-*-elf*): New target.
12986 * configure: Rebuilt.
12987 * i386/i386elf.h, i386/t-i386elf: New files.
12989 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
12991 * toplev.c (main): Don't complain about saying -gdwarf.
12992 (rest_of_compilation): Remove redundant code.
12994 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
12996 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
12998 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
13000 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
13001 "Li960R:", to avoid name clash.
13003 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13005 * loop.c (check_dbra_loop): When reversing a loop, delete all
13006 REG_EQUAL notes referencing the reversed biv except those which are
13007 for a giv based on it.
13009 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
13011 * version.c: Drop "gcc-" prefix from version #.
13013 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
13015 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
13016 the label if we're being verbose.
13018 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
13020 * m68k.c (output_function_prologue): Add pic register to mask
13021 if live and flag_pic.
13022 (output_function_epilogue): Likewise.
13024 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
13026 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
13027 directives in column zero.
13029 * pa/elf.h (ASM_FILE_START): Define.
13030 * pa/som.h (ASM_FILE_START): Include .level directives.
13031 * pa/hpux10.h (ASM_FILE_START): Delete.
13032 * pa/hpux11.h (ASM_FILE_START): Delete.
13034 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
13036 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13038 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
13039 when reload_out equals reload_in.
13041 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
13043 * invoke.texi (Spec Files): New node: Describe the contents of
13046 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
13048 * invoke.texi (DEC Alpha Options): Put @end table at
13049 beginning of line, to avoid confusing texi2html.
13051 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
13053 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
13054 introduced in previous delta.
13056 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13058 * reload1.c (gen_reload): When synthesizing a 3 operand add
13059 sequence, improve test for when to reload OP1 into the reload
13060 register instead of OP0.
13062 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
13064 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
13066 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
13068 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
13071 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
13073 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
13074 (va_dcl): Use __builtin_va_alist_t.
13076 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
13078 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
13079 on the permanent_obstack.
13080 * dwarfout.c (output_type): Likewise.
13082 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
13084 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
13085 Merged from c-typeck.c and cp/typeck.c.
13086 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
13087 Merged into c-common.
13089 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
13091 * c-lex.c (errorcount): Declare it.
13092 (finish_parse): Update errorcount when using CPPLIB.
13094 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
13096 * fixinc/inclhack.def(end_else_label): Double the backslash so
13097 sed gets a chance to see it.
13098 * fixinc/inclhack.sh: regen
13099 * fixinc/fixincl.x: regen
13101 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
13103 Add framework to support armv5 architecture when it becomes
13106 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
13107 (arm_arch5): New variable.
13108 (all_architectures): Add armv5 line.
13109 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
13110 -march=armv5 is specified on the command line.
13111 (arm_arch5): Export this variable.
13112 * invoke.texi: Document new string accepted by -march= switch for
13115 * config/arm/arm.h: Replace use of constant 12 as a register
13116 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
13117 * config/arm/arm.c: Replace use of constant 12 as a register
13118 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
13120 * config/arm/elf.h: Tidy up.
13121 * config/arm/coff.h: Tidy up.
13123 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
13125 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
13126 * gcc/config/mips/t-iris6gld: New file.
13127 * gcc/config/mips/iris6gld.h: Likewise.
13129 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
13131 * c-decl.c (widest_integer_literal_type_node,
13132 widest_unsigned_literal_type) : New.
13133 (init_decl_processing): Handle/use the two new types.
13134 * c-common.c (type_for_size,type_for_mode) : Same.
13135 * c-lex.c (yylex) : Same.
13136 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
13138 * c-tree.h (widest_integer_literal_type_node,
13139 widest_unsigned_literal_type) : New.
13141 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
13143 * dwarfout.c (field_byte_offset): Correctly compute the object's
13144 byte offset for the first bit of a field which crosses an alignment
13145 boundary on a !BYTES_BIG_ENDIAN target.
13147 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
13149 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
13152 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
13153 Jeff Law <law@cygnus.com>
13155 * ginclude/varargs.h (va_dcl): Use word_mode for type of
13158 * except.c: Include intl.h.
13159 (expand_eh_return): Set current_function_cannot_inline.
13160 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
13161 * function.h (struct function): Add eh_return_stub_label.
13162 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
13163 * Makefile.in (except.o): Depend on intl.h.
13165 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
13167 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
13168 same as offsettable in cases 1 and 2.
13170 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
13172 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
13173 (extlh, extwh): Likewise.
13175 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
13177 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
13179 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
13181 * configure.in: Add arm-pe and thumb-pe targets.
13182 * configure: Regenerate.
13184 * thumb.c (arm_naked_function_p): New function: Determines if
13185 a function is naked (has no gcc generated prologue/epilogue).
13186 (is_called_in_ARM_mode): Return true if the func has the
13187 interfacearm attribute.
13188 (output_return): Do not generate a return for naked functions.
13189 (thumb_function_prologue): Do not generate a prologue for
13191 (thumb_expand_prologue): Do not generate a prologue for naked
13193 (thumb_expand_epilogue): Do not generate an epilogue for naked
13195 (arm_valid_machine_decl_attribute): New function, copied from
13196 arm.c: Permit naked and interfacearm attributes.
13198 * config/arm/pe.c: New file: Support code for arm-pe target.
13199 * config/arm/pe.h: New file: Header file for arm-pe target.
13200 * config/arm/tpe.h: New file: Header file for thumb-pe target.
13201 * config/arm/t-thumb-pe: New file: Makefile fragment for
13204 1999-07-01 Mark Kettenis <kettenis@gnu.org>
13206 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
13207 -fPIC or -fpic is specified.
13209 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
13211 * expr.c (emit_block_move): Use copy_to_mode_reg for
13212 !TARGET_MEM_FUNCTIONS case too.
13214 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
13216 * configure: Rebuilt.
13217 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
13218 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
13219 definitions made redundant by dbxelf.h inclusion. Delete
13220 lots of definitions related to assembly output that are
13221 specific to the SOM object format.
13222 * pa.c (output_function_prologue): Do not emit the function's
13224 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
13225 * pa-pro.h: Deleted.
13226 * som.h: New file with SOM specific definitions.
13227 * elf.h: New file with ELF specific definitions.
13229 * elfos.h (const_section): Output a tab before assembler directives.
13230 (ctors_section, dtors_section): Likewise.
13231 (ASM_OUTPUT_SECTION_NAME): Likewise.
13233 * pa/pa1.h: Delete unused file.
13235 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
13237 * configure.in (hppa*-hp-hpux11*): New configuration.
13238 * configure: Rebuilt.
13239 * pa/pa-hpux11.h: New file.
13240 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
13243 * mips.md (leasi, leadi): New patterns.
13245 * expr.c (emit_block_move): Properly handle case where one of the
13246 block move arguments has a queued increment or decrement.
13247 (clear_storage): Similarly. Fix formatting goof.
13249 1999-06-28 "David O'Brien" <obrien@NUXI.com>
13251 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
13252 semicolon from the BSD VA_LIST replacement expression.
13254 * fixinc/inclhack.sh: regen
13255 * fixinc/fixincl.x: regen
13257 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
13258 now use the fixincl program.
13260 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
13262 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
13263 case. Also make the PIC register call_used.
13265 * m68k.h (FINALIZE_PIC): Delete.
13266 * m68k.c (finalize_pic): Delete.
13268 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
13270 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
13273 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
13275 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
13277 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
13279 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
13281 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
13283 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
13285 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
13287 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
13289 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
13291 * rs6000.c (output_toc): Always use hex values for floating-point
13292 constants. Store single-precision values in upper-half of TOC
13293 entry in 64-bit mode.
13294 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
13295 to final constraints.
13296 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
13297 (fctiwz): Improve accuracy of RTL for pattern.
13299 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
13301 * expr.c (expand_expr): Allow RTL_EXPR's through the
13302 MAX_INTEGER_COMPUTATION_MODE checks.
13304 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
13306 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
13307 such that MASK_SUPPORT_ARCH is not negative.
13309 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
13311 * loop.c (verify_dominator): Properly handle ADDR_VEC and
13312 ADDR_DIFF_VEC insns that appear inside loops.
13314 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
13315 Jeff Law <law@cygnus.com>
13317 * rs6000.md (movdf_hardfloat32): Revert previous patch.
13318 Handle LO_SUM the same as offsettable in cases 1 and 2.
13319 * rs6000.c (find_addr_reg): Revert previous patch.
13321 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
13323 * system.h (strstr): New external function declaration.
13324 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
13325 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
13326 * config.in, configure: Rebuilt.
13328 1999-06-24 Tom Tromey <tromey@cygnus.com>
13330 * gcc.c (main): Read user-specified specs files after computing
13331 additional startfile_prefixes.
13333 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
13335 Revert these two patches:
13337 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13338 * loop.c (strength_reduce): When doing biv->giv conversion, update
13339 reg note of NEXT->insn.
13341 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13342 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
13344 (recombine_givs): Set ix field after sorting.
13346 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13348 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
13349 for the parts of an UNSPEC / UNSPEC_VOLATILE.
13351 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
13353 *fixinc/inclhack.def: Add fix development commentary
13354 (read_ret_type): reactivate and add selection clause
13355 (zzz_*): tweak output file name to match what is used in hackshell.tpl
13356 *fixinc/{fixincl.x|inclhack.sh}: regen
13358 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
13360 * expr.c (expand_expr): STRIP_NOPS before checking against
13361 MAX_INTEGER_COMPUTATION_MODE
13362 (check_max_integer_computation_mode): Likewise.
13364 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
13366 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
13368 1999-06-22 Jim Wilson <wilson@cygnus.com>
13370 * expr.c (store_expr): When target is a promoted subreg, return a
13371 promoted subreg as a result.
13373 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
13375 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
13377 (dwarf2out_define): Mark unused parameters appropriately.
13378 (gen_unspecified_parameters_die): Ditto.
13379 (gen_subprogram_die): Fix signed/unsigned warnings.
13380 (gen_variable_die): Ditto.
13382 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
13384 * fixinc/inclhack.def(end_else_label): combined else_label
13385 and endif_label and fixed the sed expression.
13386 *fixinc/{fixincl.x|inclhack.sh}: regen
13388 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
13390 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
13391 'x' when handling non-offsettable addresses
13393 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
13395 * final.c (shorten_branches): Don't try to split an insn that has
13398 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
13400 * config/mips/mips.c (symbolic_expression_p): New function.
13401 (mips_select_rtx_section): Put symbolic expressions in the
13402 data section, not the read-only data section.
13404 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
13406 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
13408 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
13410 * collect2.c (main): Log frame table count.
13411 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
13412 (scan_prog_file) [COFF]: Handle frame tables.
13414 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
13415 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
13416 * alpha/elf.h: Undef them again.
13417 * alpha/vms.h: Remove their definitions.
13419 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13421 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
13422 remove the clobber of r0 and change the REG_UNUSED note to
13425 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
13427 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
13428 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
13429 fits in HOST_WIDE_INT and one uses union to access a long constant
13432 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
13434 * sparc.c (sparc_override_options): Don't allow profiling for
13435 code models other than medlow.
13436 (sparc_function_profiler): New function from old FUNCTION_PROFILER
13437 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
13438 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
13439 (sparc_block_profiler): Likewise.
13440 (sparc_function_block_profiler_exit): Likewise.
13441 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
13442 (FUNCTION_BLOCK_PROFILER): Likewise.
13443 (BLOCK_PROFILER): Likewise.
13444 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
13445 (MCOUNT_FUNCTION): New.
13446 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
13447 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
13448 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
13449 (MCOUNT_FUNCTION): New.
13450 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
13451 (BLOCK_PROFILER): Delete.
13452 (MCOUNT_FUNCTION): New.
13454 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
13456 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
13458 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
13460 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13463 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13466 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13469 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
13472 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
13474 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
13477 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
13479 * i386/djgpp.h (LIB_SPEC): New.
13480 (STARTFILE_SPEC): New.
13482 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
13484 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
13486 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
13489 * system.h (WSTOPSIG): New macro.
13491 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
13493 * c-pragma.c (push_alignment): Don't ignore alignments greater than
13495 (insert_pack_attributes): Take into account member natural
13498 * i386/winnt.c (exports_head): New static variable.
13499 (i386_pe_record_exported_symbol): New function.
13500 (i386_pe_asm_file_end): Use.
13501 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
13502 symbols to be emitted at end of assembly.
13503 (ASM_DECLARE_OBJECT_NAME): Likewise.
13504 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13506 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
13509 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
13511 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
13514 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
13516 * haifa-sched.c (sched_analyze_1): Use free_list instead of
13517 zapping reg_last_uses directly.
13518 (sched_analyze_2, sched_analyze_insn): Likewise.
13519 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
13521 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
13523 * rs6000.md (movdf_hardfloat32): Use worst case insn length
13524 attributes for cases 1 and 2.
13526 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
13528 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
13531 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
13533 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
13535 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
13537 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
13538 PIC_OFFSET_TABLE_REGNUM for general alloaction.
13539 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
13540 must be stacked if it is used for PIC accesses.
13541 * arm.c (use_return_insn): Handle PIC register specially.
13542 (output_return_instruction): Likewise.
13543 (output_func_{prologue,epilogue}): Likewise.
13544 (output_expand_prologue): Likewise.
13546 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
13547 (*strsi_predec): Renamed from *strqi_predec.
13548 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
13549 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
13551 * arm.c (arm_override_options): Remove warning about PIC code
13552 not being supported.
13554 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
13556 * rs6000.c (find_addr_reg): New function.
13557 * rs6000.h (find_addr_reg): Declare.
13558 (offsettable_addr_operand): Delete.
13559 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
13560 from and stores to GPRs.
13562 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
13564 * alpha.c (alpha_expand_block_move): Use get_insns rather than
13565 gen_sequence as argument to emit_no_conflict_block.
13567 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13569 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
13570 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
13571 *fixinc/fixincl.x: regen
13572 *fixinc/inclhack.sh: regen
13574 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
13576 * added support for -mpcrel (PC relative addressing for m68k)
13577 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
13578 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
13579 * m68k.c (print_operand_address): Handle 32-bit PIC case.
13580 (comments for general_src_operand): Add some explanation
13581 about EXTRA_CONSTRAINTS.
13582 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
13583 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
13584 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
13585 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
13586 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
13587 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
13588 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
13589 if not already set.
13590 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
13591 * m68k.h (TARGET_PCREL): New target flag.
13592 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
13593 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
13594 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
13595 contains a SYMBOL_REF. Relax this constraint during reload, since
13596 we want to use the predicates, not reload's built-in concept of a
13597 valid memory address, to control what insns need reloading.
13598 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
13599 operands (essentially 'g', 'm', and 's' under normal circumstances).
13600 * m68k.c (print_operand): Cause printing of pc-relative addresses
13601 to include pc register.
13602 (print_operand_address): Ditto.
13603 (general_src_operand): Accept operands that are not only
13604 general_operands, but are also valid when used as a pc-relative
13606 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
13607 (memory_src_operand): Similar, for memory_operands.
13608 (pcrel_address): New predicate to accept the special case of a
13609 pc-relative address.
13610 * m68k.md (many patterns): Rewrite common SImode, HImode, and
13611 QImode insns to accept *_src_operand instead of *_operand where
13612 pc-relative operands can fit. For example, a pc-relative operand
13613 can be used as a memory source operand for addsi3, but not as a
13614 memory destination.
13615 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
13617 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
13619 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
13620 .thumb_set pseudo op to mark aliases of thumb functions.
13622 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
13624 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
13625 preference to ASM_OUTPUT_DEF, if it is defined.
13627 * tm.texi: Document new, optional target macro
13628 ASM_OUTPUT_DEF_FROM_DECLS.
13630 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13632 * fixincludes: ISCNTL patch
13633 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
13634 (dgux_int_varargs): new for DG/UX
13635 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
13637 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
13639 * invoke.texi (ia32 options): Fix typo.
13641 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13643 * loop.c (strength_reduce): When doing biv->giv conversion, update
13644 reg note of NEXT->insn.
13646 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
13648 * loop.c (move_movables): Note issues with replacing REGs with
13650 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
13652 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
13654 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
13656 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
13657 the reference to `mcount' was not correct for the ELF on FreeBSD.
13659 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13661 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
13664 (recombine_givs): Set ix field after sorting.
13666 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
13668 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
13669 to safe to extract a subword out of a REG.
13671 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13673 * sh.md (mulsi3): Don't add a no-op move at the end.
13675 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13677 * cse.c (cse_insn): Don't put hard register source into tables for
13678 the last insn of a libcall.
13680 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13682 * loop.c (strength_reduce): Insert sets of derived givs at every
13683 biv increment, even if it's the only one.
13685 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13687 * dwarfout.c (add_incomplete_type): New fn.
13688 (output_type): Call it.
13689 (retry_incomplete_types): New fn.
13690 (dwarfout_finish): Call it.
13692 From Eric Raskin <ehr@listworks.com>:
13693 (output_type): Output types for bases.
13695 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13697 * mips.c (mips_output_conditional_branch): Add `break'
13698 between `default' label and `close braces'.
13700 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
13702 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
13703 specifications and make it realistic.
13704 (LIB_SPEC): Likewise.
13706 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
13708 * config/mips/mips.c (mips_secondary_reload_class): Check for
13709 (PLUS (SP) (REG)) and return appropriate register class.
13710 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
13711 Handle (PLUS (SP) (REG)).
13712 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
13713 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
13714 of emit_insn for tablejump.
13716 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
13718 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
13719 asm_fprintf format string by itself.
13720 (output_function_profiler): Likewise.
13722 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
13724 * combine.c (simplify_logical, case AND): Only call
13725 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
13726 or the constant is positive.
13728 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
13730 * configure.in: Fix typo in rs6000-ibm-aix4 case.
13731 * configure: Regenerate.
13733 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
13735 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
13736 require a sub-version #.
13737 * configure: Rebuilt.
13739 1999-06-14 Robert Lipe (robertlipe@usa.net)
13741 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
13743 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
13745 * c-typeck.c (process_init_element): Detect excess elements in
13746 char array initializer.
13748 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13750 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
13752 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13754 * invoke.texi (Option Summary): Add -fpermissive flag.
13756 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
13758 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
13759 that require PIC code sequences.
13761 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
13763 * configure.in: Add new target: thumb-elf.
13764 * configure: Regenerate.
13765 * config/arm/t-thumb-elf: New file: Makefile fragment for
13767 * config/arm/telf.h: New file: Header file for thumb-elf
13770 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
13772 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
13773 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
13774 initializers is some circumstances.
13776 * fixinc/inclhack.def (endif_label): Add additional selector for
13777 more bogus stuff after #endif statements.
13778 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
13780 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
13782 * i386/cygwin.h (SET_ASM_OP): Define.
13784 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
13786 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
13788 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13790 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
13793 * sh.md (ic_invalidate_line_i): Remove second alternative.
13795 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13797 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
13798 test for the presence of valid prototypes. Delete bypass expr.
13799 (ioctl_fix_ctrl): Correct the selection expression.
13800 (no_double_slash): Correct quoting rules
13801 *fixinc/fixincl.x: regen
13802 *fixinc/inclhack.sh: regen
13804 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
13806 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
13808 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13810 * rs6000.md (movsi_got_internal_mem): Delete.
13811 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
13812 (GOT_TOC_REGNUM): Delete.
13813 (PIC_OFFSET_TABLE_REGNUM): Define.
13814 (FINALIZE_PIC): Disable.
13815 * rs6000.c (rs6000_got_register): New code for fixed pic register.
13816 (rs6000_replace_regno): Delete.
13817 (rs6000_finalize_pic): Likewise.
13818 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
13820 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13822 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
13823 is a note; use <= for the compare; advance P while it is
13826 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
13828 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
13829 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
13831 * varasm.c (remove_from_pending_weak_list): Verify t->name
13832 is non-NULL before passing it to strcmp.
13834 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
13836 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
13837 the typed arguments are not part of a comment
13838 (ioctl_fix_ctrl): Added a purpose comment
13839 *fixinc/fixincl.x: regenerate
13840 *fixinc/inclhack.sh: regenerate
13842 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13844 * invoke.texi: Add C4x invocation docs.
13846 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13848 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
13850 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
13852 (c4x_legitimize_reload_address): New function.
13853 * config/c4x/c4x.md: Update docs.
13855 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
13857 * fixincludes: Avoid removing '.'.
13858 * fixinc/fixinc.svr4: Likewise.
13859 * fixinc/fixinc.winnt: Likewise.
13860 * fixinc/inclhack.tpl: Likewise.
13861 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
13863 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13865 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
13867 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
13869 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
13871 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
13874 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
13876 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
13877 * configure: Regenerate.
13879 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
13881 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
13884 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
13886 * fixinc/inclhack.def (avoid_bool): Also catch
13887 "typedef [unsigned] int bool".
13888 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13890 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
13891 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
13892 * configure: Rebuilt.
13894 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
13896 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
13897 such that we can override its definitions if necessary.
13898 (CPP_SPEC): New define. Support processor specific predefines via
13900 (CC1_SPEC): New define. Support processor specific compiler
13901 options via %(cc1_cpu).
13902 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
13905 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13907 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
13908 between sed's -e flag, and the open-quote following it.
13909 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
13911 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
13912 Jeffrey A Law (law@cygnus.com)
13914 * varasm.c (assemble_start_function): Remove the function
13915 from the pending weak decls list when we define a function.
13916 (assemble_variable): Similarly for variables.
13917 (weak_finish): Ignore items on the list with a NULL name.
13918 (remove_from_ending_weak_list); New function to "remove" an item
13919 from the pending weak declarations list.
13921 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
13923 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
13925 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
13927 * c-lex.c (GETC): Redefine to call getch.
13928 (UNGETC): Redefine to call put_back.
13929 (putback_buffer): New structure type.
13930 (putback): New static structure.
13931 (getch): New function.
13932 (put_back): New function.
13933 (yylex): Replace unused bytes from bad multibyte character.
13935 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
13937 * cpplib.c (do_define): Cast `alloca' return value.
13938 (do_include, do_undef, do_pragma): Likewise.
13939 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
13941 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
13942 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
13944 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
13946 * sparc.md (abstf2): This should be an expand.
13947 (split after abstf2_notv9): Fix mode.
13948 (abstf2_hq_v9): New pattern.
13949 (abstf2_v9): Only use when no hard quad.
13950 (absdf2_v9): Fix if target is not the same as source.
13951 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
13952 Add correct output constraints.
13954 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
13956 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
13957 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
13959 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
13961 * mips.h (mips_output_conditional_branch): New function.
13962 (mips_adjust_insn_length): Likewise.
13963 (ASSEMBLER_SCRATCH_REGNUM): New macro.
13964 (ADJUST_INSN_LENGTH): Likewise.
13965 * mips.c (print_operand): Add `F' and `W' for floating-point
13966 comparison opcodes.
13967 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
13969 (mips_adjust_insn_length): New function.
13970 (mips_output_conditional_branch): New function.
13971 * mips.md (length): Adjust attribute definition to handle
13972 conditional branches. Change lengths to bytes, rather than
13973 instructions throughout. Remove length attribute from
13974 instructions whose length is four bytes, and rely on the default
13976 (dslot): Fix typo in comment.
13977 Reword conditional branch patterns to use
13978 mips_output_conditional_branch.
13980 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13982 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
13983 (LIB_SPEC): Likewise.
13984 Link with -lprof1_r for -g/-pg.
13986 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
13988 * loop.c (check_dbra_loop): Fix change of Jan 19.
13990 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
13992 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
13993 (STARTFILE_SPEC): Define, override the svr4.h version.
13994 (ENDFILE_SPEC): Likewise.
13996 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
13998 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
13999 * fixinc/fixincl.x: Regenerated.
14000 * fixinc/inclhack.sh: Regenerated.
14002 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14004 * sh.c (barrier_align): Don't return early for normal branch/barrier
14005 when optimizing for SH2.
14007 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
14009 * i386/udk.h (LINK_SPEC): Correct linker search path for
14012 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14014 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
14015 (braf_label_ref_operand): Delete.
14016 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
14017 * sh.md (casesi_jump_2): Operand1 is now the inside of a
14018 label_ref, and has no predicate.
14019 The patten has a predicate to guard against invalid substitutions.
14020 (dummy_jump): Delete.
14021 (casesi): Update use of casesi_jump_2.
14023 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14025 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
14026 *fixinc/fixincl.x: regenerate
14027 *fixinc/inclhack.sh: regenerate
14029 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
14031 * dwarf2out.c (add_incomplete_type): New fn.
14032 (gen_struct_or_union_type_die): Call it.
14033 (retry_incomplete_types): New fn.
14034 (dwarf2out_finish): Call it.
14036 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
14038 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
14039 current block starts with a CODE_LABEL and ends with a CALL and
14040 we can not find all the argument setup instructions for the CALL.
14042 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
14044 Revert this change:
14045 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
14046 something is a candidate for optimize_bit_field_compare.
14048 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14050 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
14052 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
14054 * alpha.c (override_options): Thinko in last patch.
14056 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
14057 (LIB_SPEC): Recognize -pthread.
14059 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
14061 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
14062 definition in config/arm/coff.h
14063 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
14065 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14067 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
14068 fixes that need "file=xxx\n" prepended before invocation
14069 (start_fixer - new): starting the fixer process is complex enough
14070 to warrent its own routine. It prepends the "file=xxx\n" stuff.
14071 (process): uses the new routine; omit usage of putenv()
14072 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
14073 * fixinc/fixincl.x: regenerate
14075 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
14077 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
14078 and version #s (1.1 -> 2.96) as needed.
14079 * README.g77: Kill way out of date file in the toplevel directory.
14081 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
14083 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
14084 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
14085 * configure: Rebuilt.
14086 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
14087 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
14088 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
14089 (SWITCH_TAKES_ARG): Likewise.
14090 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
14091 * config/t-freebsd: Moved from config/i386/ so it can used for all
14094 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
14096 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
14098 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
14100 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
14101 * configure: Rebuilt.
14103 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
14105 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
14106 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
14107 * rs6000/rs6000.c (rs6000_file_start): Use putc.
14108 (rs6000_output_load_toc_table): Same.
14109 (output_prolog, output_mi_thunk): Same.
14110 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
14111 (ASM_GLOBALIZE_LABEL): Use putc.
14113 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
14115 * alpha.md (reload_*_help): New patterns and splitters.
14116 (reload_*): Use them.
14117 (mov[qh]i): Likewise.
14119 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
14121 * cccp.c (handle_directive): Handle backslash-newlines in quoted
14124 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
14126 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
14128 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
14130 * flow.c (mark_regs_live_at_end, insn_dead_p,
14131 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
14132 and HARD_FRAME_POINTER_REGNUM special treatment if reload
14133 hasn't run or the frame pointer is needed.
14134 * haifa-sched.c (attach_deaths): Likewise.
14135 * sched.c (attach_deaths): Likewise.
14137 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
14139 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
14140 calculate_can_reach_end returns nonzero.
14142 * configure.in (native gas tests): Search for an assembler in the
14143 same manner that the installed compiler will.
14144 * configure: Rebuilt.
14145 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
14147 * alias.c (find_base_term): Improve handling of addresses
14148 constructed from binary operations.
14150 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
14152 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
14154 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
14156 * function.h (cleanup_label, frame_offset): Declare.
14157 (tail_recursion_label, tail_recursion_reentry): Likewise.
14158 (arg_pointer_save_area, rtl_expr_chain): Likewise.
14159 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
14160 (tail_recursion_label, tail_recursion_reentry): Likewise.
14161 (arg_pointer_save_area, rtl_expr_chain): Likewise.
14163 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
14165 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
14167 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
14168 (MAX_OFILE_ALIGNMENT): Define.
14170 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
14172 * fixincl.c: Replace local include scheme with #includes of
14173 gansidecl.h and system.h.
14174 * procopen.c: Likewise.
14175 * server.c: Likewise.
14177 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
14179 * i386/t-dgux (EXTRA_PARTS): Add crti.o
14180 (crti.o): Add build rule and dependencies.
14181 * fixinc/fixinc.dgux: Use modified _int_varargs.h
14183 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14185 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
14186 (LIB_LINUX_SPEC): Likewise.
14187 (LIB_LINUX_SPEC): Add support for -pthread
14188 (CPP_OS_LINUX_SPEC): Likewise.
14189 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
14192 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
14194 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
14196 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
14197 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
14198 for IEEE math and CC_FCOMI.
14199 (put_jump_code): No IEEE if CC_FCOMI is set.
14201 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14203 * fold-const.c (fold_truthop): Make the field reference unsigned
14204 when converting a single bit compare.
14206 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14208 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
14210 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
14212 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
14213 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
14216 * reload.c (push_reload): Do not call remove_address_replacements
14217 when presented with identical optional reloads.
14219 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
14221 * alpha.h (MASK_FIX, TARGET_FIX): New.
14222 (MASK_*): Reorganize constants.
14223 (CPP_AM_FIX_SPEC): New.
14224 (TARGET_SWITCHES): Add FIX.
14225 (EXTRA_SPECS): Likewise.
14226 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
14227 (SECONDARY_MEMORY_NEEDED): Likewise.
14228 (REGISTER_MOVE_COST): Likewise.
14229 * alpha.c (override_options): Add FIX support. Always use
14230 ALPHA_TP_PROG for ev6.
14231 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
14232 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
14233 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
14235 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
14237 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
14238 something is a candidate for optimize_bit_field_compare.
14240 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
14242 * gcc.texi (Passes): Document branch-shortening.
14243 * invoke.texi (Debugging Options): Document the fact that `-dp'
14244 outputs length information for instructions.
14246 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
14248 * flow.c: Revert previous delta.
14250 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
14252 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
14253 FRAME_POINTER_REGNUM.
14254 (mark_set_1): Ditto.
14255 (mark_used_regs): Ditto.
14257 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
14259 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
14260 (GOT_PCREL): New macro. Define to 1 if not already defined.
14261 * arm/elf.h (GOT_PCREL): Define to 0.
14262 * arm.c (arm_finalize_pic): Take into account the setting of
14265 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
14267 * output.h (STRIP_NAME_ENCODING): Provide default definition.
14268 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
14270 * flow.c (mark_set_1): Do not record BLKmode stores as dead
14271 store elimination candidates.
14273 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
14275 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
14278 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
14280 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
14281 Add use of x-aix41-gld.
14283 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
14285 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
14286 (ASM_OUTPUT_DESTRUCTOR): Define.
14288 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
14290 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
14291 last CODE_LABEL in a loop if we have previously passed a jump
14292 to the top of the loop.
14294 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
14296 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
14297 applying Philip's patch.
14299 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
14301 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
14304 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
14306 * loop.c (strength_reduce): Grow reg_single_usage as needed.
14308 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
14310 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
14311 Also remove a useless comment.
14313 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
14315 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
14317 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
14319 * collect2.c (main): Only generate import or export file and add
14320 to link arguments if non-empty. Use xmalloc not alloca.
14321 (write_{export,import}_file): Delete.
14322 (write_aix_file): New function.
14323 (locatelib): Use xmalloc not malloc.
14324 (GCC_OK_SYMBOL): Do not check type if aix64.
14326 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
14328 Based on patch by Scott Bambrough and Pat Beirne:
14329 * config/arm/arm.c (making_const_table): New variable.
14330 * config/arm/arm.h (making_const_table): Declare.
14331 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
14333 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
14334 Keep track of when we are building the constant table.
14336 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
14338 * config/arm/arm.c (arm_override_options): Fix erroneous warning
14341 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
14343 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
14346 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
14348 * tm.texi (FUNCTION_ARG): Correct description of a stack element
14351 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
14353 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
14355 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14357 * rs6000.c (output_mi_thunk): Enable full support again.
14359 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14361 * sh.h (BRANCH_COST): Define.
14363 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
14365 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
14367 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
14369 * function.c (assign_stack_local): Align stack slot propertly.
14370 (assign_outer_stack_local): Likewise.
14372 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
14374 * expr.h (lang_expand_constant): Declare.
14375 * toplev.c (lang_expand_constant): Define it.
14376 * varasm.c (output_constant): Use it.
14378 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14380 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
14381 Change function definitions to K&R style.
14383 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14385 * fixinc/fixincl.c: We must not ignore SIGCLD now.
14387 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
14389 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
14390 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
14391 (several places): omit static initialization
14392 (process): use single fd, since only the read fd is used
14393 * fixinc/gnu-regex.c: define 'const' away, if not supported
14394 * fixinc/procopen.c(several places): omit static initialization
14395 * fixinc/server.c: define 'volitile' away, if not supported
14397 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
14399 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
14400 asm_fprintf and %L to generate the label name.
14401 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
14402 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
14404 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
14406 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
14407 insn for a conditional jump can not be found.
14409 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
14411 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
14412 on variables in specific sections other than .sbss and .sdata.
14414 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
14416 * stmt.c (expand_return): Call start_cleanup_deferral and
14417 end_cleanup_deferral around conditional code.
14419 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
14421 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
14422 filename lists. Utilizes new "krstr" AutoGen function.
14423 * fixinc/fixincl.x: Rebuilt.
14425 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
14427 * i386.c (output_float_compare): Avoid GNU-C extensions.
14429 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
14431 * version.c: Bump to distinguish mainline tree from the
14434 See ChangeLog.1 for earlier changes.