1 2001-02-16 Jakub Jelinek <jakub@redhat.com>
3 * objc/objc-act.c (start_class): Register implemented_classes with
6 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
8 * cppfiles.c (_cpp_make_system_header): Generate a file
11 2001-02-15 Jim Meyering <meyering@lucent.com>
13 * Makefile.in (install-common): Don't depend on installdirs here.
14 Instead, make each of the lang.install-common targets (e.g.,
15 c++.install-common in cp/Make-lang.in) depend on it.
16 (install-driver): Depend on installdirs.
18 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
20 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
22 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
25 2001-02-15 Mark Mitchell <mark@codesourcery.com>
27 * invoke.texi (--param): Document.
29 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
31 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
33 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
35 * i386.md (extendsfdf2_2): Fix constraints.
37 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
39 * i386.md (fop_df_3 splitter): Fix operand number.
41 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
43 * invoke.texi (-mreg-alloc): Nuke.
44 * i386.c (ix86_reg_alloc_order, regs_allocated,
45 order_regs_for_local_alloc): Nuke.
46 (override_options): Kill reg_alloc code.
47 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
48 (REG_ALLOC_ORDER): SSE goes before I387.
49 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
50 (ix86_reg_alloc_order): Likewise.
51 * i386-protos.h (ix86_reg_alloc_order): Kill.
53 2001-02-14 Richard Henderson <rth@redhat.com>
55 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
57 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
59 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
61 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
63 * i386-protos.h (ix86_memory_move_cost): Move offline.
64 * i386.c (ix86_register_move_cost): Compute properly cost of
65 SSE, MMX and i387 instructions.
66 (*_cost): Add costs of SSE/MMX moves.
67 (ix86_memory_move_cost): Move offline from ....; Likewise.
68 * i386.h (MEMORY_MOVE_COST): .... here;
69 (struct processor costs): Add new fields to represent costs
72 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
74 * regclass.c (init_reg_sets_1): Reinstall the optimization of
75 move_cost together with Matt Kraai's fix.
77 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
79 * Makefile.in (OBJS): Add params.o.
81 2001-02-14 Richard Henderson <rth@redhat.com>
82 DJ Delorie <dj@redhat.com>
84 * jump.c (jump_optimize_1): When we delete a conditional jump
85 preceeding a non-conditional jump to effectively the same place,
86 make sure that the combined jump skips any clobber insns between
89 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
91 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
93 2001-02-14 Mark Mitchell <mark@codesourcery.com>
95 * Makefile.in (toplev.o): Depend on params.h.
96 (intergate.o): Likewise.
97 (params.o): New target.
98 * flags.h (inline_max_insns): Remove.
99 * integrate.c: Include params.h.
100 Use MAX_INLINE_INSNS instead of inline_max_insns.
101 * params.c: New file.
102 * params.h: Likewise.
103 * params.def: Likewise.
104 * toplev.c: Include params.h.
105 (lang_independent_params): New variable.
106 (decode_f_option): Use the param machinery instead of setting
108 (independent_decode_option): Handle "--param name=value".
109 (main): Register language-independent parameters.
111 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
113 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
115 2001-02-14 Richard Henderson <rth@redhat.com>
117 * regclass.c (init_reg_sets_1): Revert last two changes.
119 2001-02-14 Jakub Jelinek <jakub@redhat.com>
121 * stor-layout.c (is_pending_size, put_pending_size): New functions.
122 (variable_size): Call put_pending_size.
123 * tree.h (is_pending_size, put_pending_size): Add prototypes.
124 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
125 sizes list, put newly created SAVE_EXPR there as well.
127 2001-02-14 Jakub Jelinek <jakub@redhat.com>
129 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
130 (errata_find_address_regs): load_group has only 2 entries.
131 (errata_emit_nops): Likewise. shladd is not problematic.
132 Clear last_group if nop was emitted.
133 (fixup_errata): load_group has only 2 entries.
136 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
138 * c-lex.c (lex_number): Only warn traditionally for U suffix
139 outside system macros.
140 * cppexp.c (parse_number): Similarly.
141 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
142 * cppmacro.c (struct cpp_macro): New member node.
143 (parse_args): Only warn about missing rest args if not
145 (funlike_invocation_p): Similarly for uninvoked funlike macros.
146 (cpp_sys_objmacro_p): New.
147 (_cpp_create_definition): Store the node with the macro defn.
148 Remember if the macro is defined in a system header.
150 2001-02-13 DJ Delorie <dj@redhat.com>
152 * configure.in (check_languages): determine languages to check
153 * Makefile.in (check-c++): alias for check-g++
154 (check-f77): alias for check-g77
155 (CHECK_TARGETS): depend on configured languages
157 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
159 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
160 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
161 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
162 (sqrtextendsfdf2): Disable for SSE2.
164 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
166 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
167 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
168 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
169 (sqrtextendsfdf2): Disable for SSE2.
171 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
173 * i386.md (movsfcc_1): Support integer cmove instruction.
174 (movdfcc_1): Likewise; new splitter.
176 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
178 * i386.c (output_fp_compare): Support SSE.
179 (prepare_fp_compare_args): SSE comparisons always support memory.
180 * i386.h (TARGET_CMOVE): SSE imply cmove.
181 * i386.md (cmp?f2): Enable for SSE too.
182 (cmpfp_i*): Support SSE.
184 (cmpfp_i_sse_only): New.
185 (s*, b* fp expanters): Enable for SSE too.
186 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
189 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
191 * regclass.c (init_reg_sets_1): Silence warning.
193 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
195 * i386.md (sqrt?f2): Change to expander.
196 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
198 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
200 * rtlanal.c (find_reg_equal_equiv_note): New function.
201 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
202 (simplify_gen_relational, simplify_replace_rtx): Likewise.
203 * rtl.h: Add declarations for above functions.
205 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
207 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
209 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
210 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
211 * flow.c (mark_regs_live_at_end): Likewise.
212 (calculate_global_regs_live): Likewise.
213 * gcse.c (compute_hash_table): Likewise.
214 (compute_kill_rd): Likewise.
215 * resource.c (mark_target_live_regs): Likewise.
216 * rtl.h (INVALID_REGNUM): New macro.
218 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
220 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
222 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
224 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
227 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
229 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
231 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
232 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
233 (fop_sf_1_sse, fop_df_1_sse): New patterns
234 (fop_*): Disable float_extend and float patterns for SSE compilation.
235 * i386.c (output_387_binary_op): Support SSE.
237 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
239 * i386.md (dummy_extendsfdf2): Support SSE2
240 (extendsfdf2): Enable if 80387 or SSE2.
241 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
243 (extendsfdf2_1_sse_only): New pattern.
244 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
246 (truncdfsf2_1): Support SSE.
247 (truncdfsf2_2): Support SSE.
248 (truncdfsf2_2_1_sse): New pattern.
249 (fixtruncsfsi2): Always use SSE if available.
250 (fix_truncsfsi_sse): New pattern.
251 (fix_truncdfsi_sse): New pattern.
252 (floatsis?f2): Support SSE.
253 (floatsidf2_i387): New pattern.
254 (floatsidf2_sse): Likewise.
256 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
258 * configure.in: Use "have_gnat" variable, not "gnat".
259 * configure: Regenerated.
261 * config/sparc/sparc.c (function_value): Treat all non-record
262 aggregate types like used to treat UNION_TYPE.
264 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
266 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
267 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
269 (MASK_MIX_SSE_I387): New.
270 (TARGET_SSE): SSE2 imply SSE.
271 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
272 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
273 (enum reg_class): Add new classes.
274 (REG_CLASS_NAMES): Likewise.
275 (REG_CLASS_CONTENTS): Likewise.
276 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
277 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
278 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
279 (CLASS_MAX_NREGS): Use new macros.
280 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
281 * i386.md (pushsf, movsf): Support SSE.
282 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
283 splitters to use ANY_FP_REGNO_P.
284 (movdf_nointeger, movdf_integer): Likewise.
286 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
288 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
289 (try_combine): Use it.
291 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
293 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
294 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
295 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
296 (REGISTER_MOVE_COST): Likewise.
297 * i386-protos.h (ix86_secondary_memory_needed,
298 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
299 * i386.c (ix86_secondary_memory_needed,
300 ix86_preferred_reload_class, ix86_register_move_cost): New function.
302 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
304 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
305 (HARD_REGNO_MODE_OK): Move offline to ....
306 * i386.c (ix86_hard_regno_mode_ok) ... here;
307 refuse all incorrect modes.
308 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
310 2001-02-13 Richard Henderson <rth@redhat.com>
312 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
313 entire operator; replicate that and match_dup the operands.
314 (cmp_ccx_arith_op_set): Likewise.
315 (cmp_cc_arith_op_not_set): Likewise.
316 (cmp_ccx_arith_op_not_set): Likewise.
318 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
320 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
322 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
324 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
325 (TARGET_NO_BITFIELD_WORD): New macro.
326 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
327 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
329 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
331 * cselib.c: New file, from simplify-rtx.c.
332 * simplify-rtx.c: Remove cselib parts.
333 * Makefile.in: Add cselib.o.
335 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
337 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
338 (setup_incoming_varargs): Remove warning.
340 * config/rs6000/rs6000.c (validate_condition_mode): When
341 flag_fast_math, allow floating-point conditionals to be reversed.
342 (rs6000_generate_compare): When flag_fast_math, don't generate
343 cror operations for FP conditionals.
345 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
347 (ASM_SPEC): Likewise.
348 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
349 (CC1_SPEC): Likewise.
350 (LINK_TARGET_SPEC): Likewise.
351 (CPP_ENDIAN_SPEC): Likewise.
352 * Makefile.in (check-consistency): New target.
354 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
356 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
357 "return type defaults" warning for functions with return type
359 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
360 function declarations by default rather than only when pedantic.
362 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
364 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
367 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
369 * extend.texi (Deprecated): Deprecate new initializer lists.
371 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
373 * mkdeps.c (deps_add_default_target): Robustify. Add
374 basename component only.
375 * cpp.texi (-M): Describe how default target is generated.
376 * invoke.texi (-M): Likewise.
378 2001-02-12 Kazu Hirata <kazu@hxi.com>
380 * toplev.c (push_float_handler): Remove.
381 (pop_float_handler): Remove.
382 * toplev.h: Remove prototypes for the above functions.
384 2001-02-12 Jakub Jelinek <jakub@redhat.com>
386 * c-common.c (constant_fits_type_p): New function.
387 (convert_and_check): Use it.
389 2001-02-11 Mark Mitchell <mark@codesourcery.com>
391 * Makefile.in (GXX_ABI_FLAG): Don't define.
392 * configure.in (--enable-new-gxx-abi): Remove option.
393 * config.in: Regenerated.
394 * configure: Likewise.
396 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
398 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
400 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
401 regular basic block, and arrange for all edges into it to switch
404 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
406 * Makefile.in (distclean): Do not remove .gdbinit.
408 2001-02-11 Mark Mitchell <mark@codesourcery.com>
410 * Makefile.in (gcc.o): Fix typos.
411 (protize.o): Likewise.
412 (unprotoize.o): Likewise.
414 2001-02-11 Richard Henderson <rth@redhat.com>
416 * tree.c (build1): Check for null operand in last change.
418 2001-02-11 Richard Henderson <rth@redhat.com>
420 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
421 (fold): Don't assume a constant isn't foldable.
422 * tree.c (build): Set TREE_CONSTANT for an expression with no
423 side-effects and constant operands.
426 2001-02-10 Richard Henderson <rth@redhat.com>
428 * jump.c (squeeze_notes): Revert 2000-05-12 change.
430 2001-02-10 Anthony Green <green@redhat.com>
432 * cpp.texi (Standard Predefined): Add documentation for
435 * c-common.c (combine_strings): Improve warning message.
437 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
439 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
441 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
443 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
445 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
448 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
450 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
453 2001-02-09 Nick Clifton <nickc@redhat.com>
455 * config/arm/arm.md: Change output contraint on post inc
456 load/store multiple patterns to be a read/write contraint.
458 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
460 * gcc.c (cpp_options): Delete .d files on error. Don't delete
461 .o files when using the -M options.
463 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
464 David Edelsohn <edelsohn@gnu.org>
466 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
467 handle DImode constants. Use one TOC entry for SImode and smaller
468 constants, aligned properly.
470 2001-02-08 Jason Merrill <jason@redhat.com>
472 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
473 about the SP adjustment for saving the static chain pointer.
474 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
475 offset when setting a temporary CFA register.
477 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
479 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
480 powerpc-*-chorusos* .
481 * config/rs6000/chorus.h : New file.
482 * config/i386/chorus.h : New file.
483 * config/sparc/chorus.h : New file.
484 * config/sparc/t-chorus-elf : New file.
486 2001-02-08 David Edelsohn <edelsohn@gnu.org>
488 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
489 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
490 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
491 (__WCHAR_TYPE__): Correct macro name.
493 2001-02-08 Richard Henderson <rth@redhat.com>
495 * config/i386/i386.c (ix86_frame_pointer_required): New.
496 (ix86_setup_frame_addresses): New.
497 (struct machine_funciton): Add accesses_prev_frame.
498 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
499 ix86_frame_pointer_required.
500 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
501 (SETUP_FRAME_ADDRESSES): New.
502 * config/i386/i386-protos.h: Update.
503 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
504 from FRAME_POINTER_REQUIRED.
505 * config/i386/svr3gas.h: Likewise.
506 * config/i386/sysv3.h: Likewise.
507 * config/i386/v3gas.h: Likewise.
509 2001-02-08 Richard Henderson <rth@redhat.com>
511 * config/sparc/sparc.c (function_arg_record_value_3): Fix
512 calculation of the number of integer registers required.
513 (function_arg_record_value): Likewise.
515 2001-02-08 Jason Merrill <jason@redhat.com>
517 * diagnostic.c (internal_error): Say "confused" after 1 error, not
518 two. Print file and line with "confused" message.
520 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
522 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
524 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
526 2001-02-08 Bernd Schmidt <bernds@redhat.com>
528 * final.c (cleanup_subreg_operands): The address of a MEM can
531 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
534 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
536 * gcc.texi (Incompatibilities): Update documentation of
537 preprocessing numbers.
539 2001-02-07 Jakub Jelinek <jakub@redhat.com>
541 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
543 2001-02-07 Mark Mitchell <mark@codesourcery.com>
545 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
547 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
548 * gcc.c (struct compiler): Add cpp_spec field.
549 (input_file_compiler): New variable.
550 (do_spec_1): Allow a particular compiler to handle `%C'
552 (main): Store the current compiler in input_file_compiler.
553 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
555 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
557 * cpphash.h (struct spec_nodes): Add n_true and n_false.
558 * cppinit.c (cpp_create_reader): Initialize them.
559 (append_include_chain): cxx_aware arg might be unused.
560 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
561 keywords and give them their phase 7 meaning. Pedwarn about
562 this unless '__bool_true_false_are_defined' is defined.
564 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
566 * lcm.c (optimize_mode_switching): Emit mode_set before the
567 JUMP_INSN of an abnormal edge.
569 2001-02-07 Bernd Schmidt <bernds@redhat.com>
571 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
572 a scheduling barrier at the end.
574 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
576 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
578 * config/sh/sh.md (reload_outsf): Removed.
579 (movsf_ie): Introduce constraints for FPUL loads and stores.
580 (reload_insf): Broaden the output constraint.
582 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
584 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
585 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
587 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
589 * final.c: Revert my previous changes.
590 * output.h: Make profile_label_no extern.
591 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
592 for generating label.
594 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
596 * config/i386/djgpp.h: Add comments about standard paths.
597 (MD_EXEC_PREFIX): Undefine before defining.
598 (MD_STARTFILE_PREFIX): New.
600 2001-01-30 Bruce Korb <bkorb@gnu.org>
602 fixinc/fixincl.c(process): Emit error message only if appropriate :)
603 (load_file): do not rely on load_file_data() to close file pointer
604 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
605 fixinc/inclhack.def(irix_limits_const): add test_text
607 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
609 * cppexp.c (parse_defined): Improve diagnostics for invalid
612 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
614 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
616 2001-02-06 Mark Mitchell <mark@codesourcery.com>
618 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
619 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
620 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
621 (rs6000_output_symbol_ref): New function.
622 (output_toc): Use VTABLE_NAME_P.
624 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
626 * print-tree.c (print_node, case PARM_DECL):
627 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
629 * stor-layout.c (reference_types_internal): New variable.
630 (internal_reference_types): New function.
631 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
632 * tree.h (internal_reference_types): New declaration.
634 * cse.c (find_best_addr): Fix typo in computing cost.
636 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
638 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
639 and this is the sum of a pointer and a constant, we know the result
641 (num_sign_bit_copies, case PLUS): Likewise.
642 * explow.c (convert_memory_address): Remove opposite SUBREG.
643 * function.c (instantiate_new_reg): New function (from common code).
644 (instantiate_virtual_regs_1): Call it.
645 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
646 if pointers sign- or zero-extend.
647 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
648 If pointers extend unsigned, use inside of SUBREG.
649 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
651 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
653 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
654 subdir of gcc_gxx_include_dir.
655 (gcc_gxx_target_include_dir): Remove.
657 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
659 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
660 (dwarf2out_frame_debug_expr): Revise introductory comments to add
661 a high-level description.
663 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
665 * final.c: Move the declaration of profile_label_no to ...
666 * output.h: ... here.
667 * function.c (expand_function_start): Call PROFILE_HOOK.
668 * config/rs6000/aix.h: Define PROFILE_HOOK.
669 * config/rs6000/rs6000-protos.h: output_profile_hook new.
670 * config/rs6000/rs6000.c (output_profile_hook): Define.
671 (output_prolog): Do nothing for ABI_AIX as it is taken care by
673 tm.texi : Explain new macro PROFILE_HOOK.
675 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
677 * extend.texi (Extended Asm): Do not say that semicolon is always
678 a valid line-breaking character for GNU assemblers. Use
679 newline-tab as the most commonly supported syntax. Use
680 newline-tab rather than semicolon in multi-insn examples.
682 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
684 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
686 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
687 David Edelsohn <edelsohn@gnu.org>
689 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
690 code for AIX, even without flag_pic.
692 2001-02-05 Jakub Jelinek <jakub@redhat.com>
694 * c-typeck.c (common_type): push and pop binding level around
695 calling common_type on function parameters.
697 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
699 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
701 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
703 * config/mips/mips.c (override_options): Fix typo in last change.
704 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
705 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
707 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
709 * invoke.texi (-fdump-class-layout): Document.
710 (-fdump-translation-unit): Use `=' as filename separator.
712 2001-02-05 Mark Mitchell <mark@codesourcery.com>
714 * Makefile.in (s-mlib): Don't build multilibs if
716 (DRIVER_DEFINES): Adjust accordingly.
718 (protoize.o): Likewise.
719 (unprotoize.o): Likewise.
720 * configure.in: Recognize --enable-multilib.
722 2001-02-04 Mark Mitchell <mark@codesourcery.com>
724 * Makefile.in (DRIVER_DEFINES): Fix quoting.
726 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
727 * configure.in: Remove --enable-libstdcxx_v3 support.
728 * configure: Regenerated.
730 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
732 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
733 Call abort instead of fatal.
734 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
735 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
736 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
737 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
738 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
739 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
741 * diagnostic.h (set_internal_error_function): Renamed.
742 * toplev.h (internal_error): Renamed from fatal.
743 (pfatal_with_name): Deleted.
744 (fatal_io_error): Now has printf-style arguments.
745 * diagnostic.c (pfatal_with_name): Deleted.
746 (fatal_io_error): Rework to have args in printf-style.
747 (set_internal_error_function): Renamed from set_fatal_function.
748 (internal_error): Renamed from fatal.
749 (error_recursion, fancy_abort): Call internal_error instead of fatal.
750 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
751 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
752 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
753 * flow.c (verify_flow_info): Likewise.
754 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
755 * config/mips/mips.c (save_restore_insns): Likewise.
757 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
758 * flow.c (verify_flow_info): Likewise.
759 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
760 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
761 (avr_normalize_condition): Likewise.
762 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
763 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
764 (limit_reload_class, double_reg_to_memory): Likewise.
765 (print_operand_address, emit_1600_code_shift): Likewise.
766 (gen_tst_reg, gen_compare_reg): Likewise.
767 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
768 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
770 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
772 * c-parse.in (methoddef): Call fatal_error instead of fatal.
773 * objc/objc-act.c (build_ivar_chain): Likewise.
774 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
776 * graph.c (clean_graph_dump_file): Likewise.
777 * profile.c (init_branch_prob): Likewise.
778 * objc/objc-act.c (objc_init): Likewise.
780 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
781 * config/avr/avr.c (avr_override_options): Likewise.
782 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
783 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
784 * config/h8300/h8300.c (h8300_init_once): Likewise.
785 * config/mips/mips.c (override_options): Likewise.
786 * config/i386/i386.c (override_options): Likewise, rework.
787 * config/m68k/m68k.c (override_options): Likewise.
789 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
791 * config/mips/mips.c (print_operand): Likewise.
792 * hash.c (hash_allocate): Don't check for failure returns from
793 obstack functions that can't fail.
794 (hash_table_init_n, hash_table_init): Likewise; also now return void.
795 * hash.h (hash_table_init_n, hash_table_init): Now return void.
796 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
797 (get_object_reference): Likewise.
799 2001-02-04 Nick Clifton <nickc@redhat.com>
801 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
802 StrongARM1110, 10TDMI, and 1020T.
804 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
806 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
808 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
810 * config/sh/sh.md (movdf load split): Pass register number to
813 2001-02-04 Mark Mitchell <mark@codesourcery.com>
815 * cppinit.c (BC): New macro.
816 (builtin_array): Add __GXX_WEAK__.
817 * cpplib.h (builtin_type): Add BT_WEAK.
818 * cppmacro.c (builtin_macro): Handle BT_WEAK.
819 * defaults.h (SUPPORTS_ONE_ONLY): Define.
820 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
822 2001-02-03 Jakub Jelinek <jakub@redhat.com>
824 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
826 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
828 * cpphash.h: Rename _ALIGN POOL_ALIGN.
829 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
831 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
833 * cpphash.h: Rename ALIGN _ALIGN.
834 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
836 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
838 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
839 compilation environment.
840 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
841 control over location of cygwin includes and libs.
843 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
845 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
847 2001-02-02 lars brinkhoff <lars@nocrew.org>
849 * md.texi (Standard Names): remove reference to spur.md.
851 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
853 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
854 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
855 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
856 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
857 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
859 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
861 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
862 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
863 number before reload.
864 (c4x_adjust_cost): Return zero before reload.
865 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
868 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
870 * c4x.c (c4x_hard_regno_rename_ok): New.
871 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
872 * c4x.h (HARD_REGNO_RENAME_OK): Define.
874 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
876 * diagnostic.h: Add missing "extern" in all declarations.
878 2001-02-02 Alex Samuel <samuel@codesourcery.com>
880 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
881 as for gcc_gxx_include_dir.
883 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
885 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
887 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
889 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
890 label before alignment to be used as the braf base address.
891 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
893 (casesi_jump_2): Require at least TARGET_SH2.
895 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
896 truncation to 32-bit doubles on -m3e and -m4-single-only.
898 2001-02-02 Mark Mitchell <mark@codesourcery.com>
900 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
901 the default when building a shared object.
903 * testsuite/lib/g++.exp: Include the directory where libgcc
904 is located to the LD_LIBRARY_PATH list.
905 * invoke.texi (-shared-libgcc): Document the cases in which
906 GCC defaults to using the shared libgcc.
908 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
910 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
911 unsigned is wide enough.
913 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
914 (si_to_float): Likewise.
915 (float_to_si, float_to_usi): Use BITS_PER_SI.
917 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
919 * dwarf2out.c: Added explanation of abbreviations.
920 (def_cfa_1): Added comments listing DWARF2 instructions.
921 (cfa_temp_reg): Removed in favor of cfa_temp.
922 (cfa_temp_value): Removed in favor of cfa_temp.
923 (cfa_temp): New global variable.
924 (dwarf2out_frame_debug_expr): Added extensive introductory
925 comments explaining the function's transformations. Revised to
926 use cfa_temp. Added some rtx checking. Generalize IOR case.
927 (dwarf2out_frame_debug): Revised to use cfa_temp.
928 (output_aranges): Cast as "unsigned" to avoid warning.
929 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
930 explain which instructions must be marked.
932 2001-02-01 Richard Henderson <rth@redhat.com>
934 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
937 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
939 * config/sh/crt1.asm (main_k): Modified so that start calls
940 ___setup_argv_and_call_main.
942 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
944 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
945 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
946 and AVOID_LPASTE is cleared on meeting an unescaped newline.
947 * cppmacro.c (builtin_macro): Set builtin flags here.
948 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
949 (replace_args): Clarify intent.
950 (cpp_get_token): Macro expansion tokens get the saved flags.
952 * cppmain.c (scan_buffer): Remove now-redundant print.printed
955 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
957 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
960 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
962 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
963 returns Pmode pseudo, but we need ptr_mode.
964 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
965 Remove bogus conversions; use HOST_WIDE_INT for size.
966 Don't use TARGET if wrong mode.
968 * config/i386/i386.c (ix86_compute_frame_size): Allow
969 stack_alignment_needed to be non-default even if size is zero.
971 2001-01-31 Alan Modra <alan@linuxcare.com.au>
973 * (hppa_init_pic_save): Emit the pic offset table
974 reg save after last_parm_insn.
975 * pa.c (hppa_init_pic_save): New function.
976 * pa.h (hppa_init_pic_save): Declare.
977 * pa.md (call, call_value, sibcall, sibcall_value): Use
978 the above instead of duplicated code.
980 * pa.c (hppa_encode_label): Correct size of alloca buffer
981 so we don't overrun it. Correct leading `*' case.
982 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
984 (FUNCTION_NAME_P): Likewise.
986 2001-01-31 Richard Henderson <rth@redhat.com>
988 * config.gcc (alpha-osf5): Use float-i128.h.
990 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
991 * config/float-i32.h: Likewise.
992 * config/float-i64.h: Likewise.
993 * config/float-sh.h: Likewise.
994 * config/float-sparc.h: Likewise.
996 2001-01-31 DJ Delorie <dj@redhat.com>
998 * expmed.c (extract_bit_field): allow non-integral modes if we
999 want to extract a whole register from itself.
1001 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1003 * c-typeck.c (set_init_index): If first is equal to last, assume as
1004 if it was not a range at all.
1006 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1008 * config/fp-bit.c: Include tm.h.
1009 (float_to_si): Don't assume SImode is 32-bits wide.
1010 (float_to_usi): Likewise.
1012 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1014 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1016 (typename): Call pending_xref_error after parsing typed_typespecs.
1017 * c-decl.c (lookup_tag): Give error immediately rather than
1018 leaving it pending if the tag of the wrong type is in the same
1020 (xref_tag): Don't pedwarn for forward declarations of enum types
1022 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1025 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1027 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1029 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1031 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1032 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1034 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1036 * cpphash.h (struct cpp_reader): New saved_flags.
1037 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1038 to avoid a paste after a pasted token.
1040 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1042 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1043 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1044 Wtype_MIN instead of LONG_MIN.
1046 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1048 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1050 * fixinc/fixincl.x: Regenerated.
1051 * fixinc/inclhack.def (irix_limits_const): New definition to
1052 convert "const" to "__const" in limits.h.
1054 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1056 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1058 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1060 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1061 when register dies in the insn.
1063 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1065 * diagnostic.c (fatal): Fix word wrap.
1067 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1069 * combine.c (try_combine): Fix SUBREG setting for
1070 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1072 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1074 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1077 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1079 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1081 * toplev.c (decode_W_option): Update warn_larger_than
1082 unconditionally for each processed switch.
1084 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1086 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1088 (hppa_expand_prologue): Delete code to save pic offset table register
1089 in the function prologue.
1090 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1091 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1092 table register at the beginning of the function after the prologue.
1094 2001-01-29 lars brinkhoff <lars@nocrew.org>
1096 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1098 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1099 Jeff Law <law@redhat.com>
1101 * pa.md (return): Revise comment for trivial return.
1102 (return_internal): Non-trivial return pattern for non-PIC code.
1103 (return_internal_pic): Non-trivial return pattern for PIC code.
1104 It uses the PIC register to ensure it is restored after
1106 (epilogue): Generate appropriate return for PIC and non-PIC code.
1108 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1110 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1112 2001-01-29 DJ Delorie <dj@redhat.com>
1114 * combine.c (if_then_else_cond): Pass the correct mode to
1115 operand_subword() for constants.
1117 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1119 * config/i386/cygwin.h: Add w32api to include search. Search different
1120 directories in a cross-build environment.
1122 2001-11-29 Tim Josling <tej@melbpc.org.au>
1124 * tree.h (TYPE_STUB_DECL): Add documentation.
1126 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1128 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1129 (sdbout_field_types): Likwise. Fix use of host_integerp.
1131 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1133 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1136 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1138 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1139 to use flag_gnu_linker.
1141 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1143 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1144 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1146 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1148 * tree.c, tree.h (build_parse_node): Remove; was identical to
1150 * c-lang.c (start_cdtor), objc/objc-act.c
1151 (build_module_descriptor): Use build_nt instead of
1154 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1156 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1157 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1158 not have any upper bits set.
1160 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1162 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1164 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1166 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1168 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1170 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1171 (integer_minus_one_node): Define.
1173 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1175 * Makefile.in (bootstrap2-lean): Fix typo.
1177 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1179 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1180 : Don't set fe_value.
1181 * cpplib.h (AVOID_LPASTE): New flag.
1182 (struct cpp_hashnode): Remove fe_value.
1183 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1184 * cppmacro.c (builtin_macro): Don't set flags here.
1185 (replace_args): Set AVOID_LPASTE flag on first token of an
1186 argument, and the token following it.
1187 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1188 macro expansion, and on the token following it. Do it for
1190 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1192 2001-01-27 Richard Henderson <rth@redhat.com>
1194 * config/alpha/t-ieee: Remove multilibbing.
1195 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1197 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1199 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1201 * Makefile.in: Remove all dependencies on defaults.h.
1202 * builtins.c: Don't include defaults.h.
1203 * c-common.c: Likewise.
1204 * c-decl.c: Likewise.
1205 * c-pragma.c: Likewise.
1206 * c-typeck.c: Likewise.
1207 * combine.c: Likewise.
1209 * frame-ia64.c: Likewise.
1210 * cppexp.c: Likewise.
1211 * crtstuff.c: Likewise.
1212 * dbxout.c: Likewise.
1213 * dwarf2out.c: Likewise.
1214 * dwarfout.c: Likewise.
1215 * emit-rtl.c: Likewise.
1216 * except.c: Likewise.
1218 * final.c: Likewise.
1219 * frame-dwarf2.c: Likewise.
1220 * libgcc2.c: Likewise.
1221 * optabs.c: Likewise.
1222 * profile.c: Likewise.
1223 * sdbout.c: Likewise.
1224 * toplev.c: Likewise.
1225 * tradcif.y: Likewise.
1227 * varasm.c: Likewise.
1229 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1231 * builtins.c (expand_builtin_fputs): Use size_one_node when
1232 transforming into fwrite.
1234 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1236 * extend.texi (Attribute Syntax): New section.
1238 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1240 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1241 they didn't need fixing.
1243 2001-01-27 Janis Johnson <janis@us.ibm.com>
1245 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1247 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1248 to remove macro definitions that are duplicated from elfos.h.
1250 2001-01-27 Richard Henderson <rth@redhat.com>
1252 * config/i386/sco5gas.h: Move ...
1253 * config/usegas.h: ... here.
1254 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1256 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1258 * c-typeck.c (struct constructor_stack): Add range_stack member.
1259 (really_start_incremental_init): Clear it.
1260 (push_init_level): Save constructor_range_stack and clear it if
1261 pushing explicit braces.
1262 (pop_init_level): abort if constructor_range_stack is non-zero at
1263 explicit closing brace. Restore saved constructor_range_stack if
1266 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1268 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1269 into register was forced into memory.
1271 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1273 * Makefile.in: Remove uses of + before $(MAKE).
1275 2001-01-26 Richard Henderson <rth@redhat.com>
1277 * stmt.c (cost_table): Remove.
1278 (COST_TABLE, cost_table_initialized): New.
1279 (estimate_case_costs): Use the later instead of the former.
1280 (balance_case_nodes): Likewise.
1282 2001-01-26 Richard Henderson <rth@redhat.com>
1284 * alias.c (objects_must_conflict_p): Read-only slots may not
1285 conflict despite having the same type.
1287 2001-01-27 Michael Hayes <mhayes@redhat.com>
1289 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1291 (check_ext_dependant_givs): Initialise u_start_val and
1293 (load_mems): Make last_max_reg unsigned.
1294 (try_swap_copy_prop): Use INSN_P and initialise set.
1296 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1298 * README.AVR : Removed.
1300 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1302 * pa-64.h (text_section): Remove declaration.
1304 * pa.md (return_internal): Remove mode on PIC register use.
1306 2001-01-25 lars brinkhoff <lars@nocrew.org>
1308 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1309 ASM_CLOSE_PAREN): fix typos.
1311 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1313 * acconfig.h: Define `const' to the empty string if neither
1314 __STDC__ nor __cplusplus is defined.
1315 * config.in: Regenerated.
1317 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1319 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1320 * collect2.c (main): Delete importf. Add ".obj" file extension.
1321 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1322 (aix_std_libs): Add additional AIX libraries to skip.
1323 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1324 * config/rs6000/aix51.h: New file.
1326 2001-01-25 Michael Hayes <mhayes@redhat.com>
1328 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1329 (loop_insn_emit_before): No longer static.
1330 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1331 (loop_givs_rescan, load_mems): Likewise.
1332 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1333 (maybe_eliminate_biv_1):
1334 (move_movables): Replace emit_call_insn_before with
1335 loop_call_insn_hoist.
1336 * loop.h (loop_insn_emit_before): Add.
1337 * unroll.c (copy_loop_body): Replace emit_insn_before with
1338 loop_insn_emit_before.
1340 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1342 * diagnostic.c (fatal): Request preprocessed source.
1344 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1346 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1347 olddecl has argument types and newdecl has none, use the argument
1350 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1352 * dwarf2out.c (prefix_of): New function. Determine longest common
1353 prefix of the two arguments. The units are whole path components.
1354 (output_file_names): When adding a new directory find the one entry
1355 with the longest common prefix already in the list. Artificially
1356 generate entry if there is none for this prefix.
1357 Fix test to check whether the zeroth directory entry is used.
1359 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1361 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1362 Changed all callers. Take it into account when deciding if a
1363 previously loaded value matches.
1365 2001-01-24 Richard Henderson <rth@redhat.com>
1367 * reload.c (find_reloads_subreg_address): Fail the substitution
1368 if the resulting address is insufficiently aligned.
1370 2001-01-24 DJ Delorie <dj@redhat.com>
1372 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1373 check the original operand's mode also.
1374 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1376 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1378 * c-parse.in (cast_expr): Move compound literals from here ...
1379 (primary): ... to here. Use standard terminology "compound
1380 literal" instead of "constructor expression".
1382 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1384 * gcc.1, cpp.1: Regenerate.
1386 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1388 * calls.c (emit_library_call_value_1): Memory slot for
1389 pass-by-reference argument should have the mode of the argument,
1390 not of the pointer to it.
1392 2001-01-24 Tom Tromey <tromey@redhat.com>
1394 * gcc.texi (G++ and GCC): Mention gcj manual.
1395 (Standards): Link to section of manual mentioning gcj/Java
1398 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1400 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1401 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1402 * tradcpp.c (main): Add -imacros or -include'd dependencies
1404 * cpp.texi (-M, -MM): Document -M -include behaviour.
1406 2001-01-24 Roger Collins <roger@ProProject.com>
1408 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1410 2001-01-24 Will Cohen <wcohen@redhat.com>
1412 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1413 whether registers are 32 bits or 64 bits in size.
1415 2001-01-24 Ben Elliston <bje@redhat.com>
1417 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1419 2001-01-24 Richard Henderson <rth@redhat.com>
1421 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1422 (builtin_longjmp): Use it instead of emit_indirect_jump.
1424 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1426 * bb-reorder.c (make_reorder_chain_1): Handle case where
1427 jump edge goes to the same block as the fallthru edge.
1429 2001-01-23 Jim Wilson <wilson@redhat.com>
1431 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1432 * frame.h (__ia64_personality_v1): Add prototype.
1433 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1434 prototype form. Add void * cast to first argument to personality
1436 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1437 (asctoe113): Likewise.
1438 * config/ia64/frame-ia64.c: Include eh-common.h.
1439 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1441 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1443 (itanium_split_issue): Add prototype.
1444 (gen_nop_type): Ifdef out.
1445 (find_best_packet): Initialize best_packet.
1446 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1448 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1449 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1450 (flushrs): Add explicit stop bit at end.
1451 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1454 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1456 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1458 * libgcc2.c (__terminate_func): Make variable static.
1459 (__terminate_set_func): New function to set __terminate_func.
1460 * libgcc2.h (__terminate_func_ptr): New typedef.
1461 (__terminate_set_func): New function.
1463 2001-01-23 Richard Henderson <rth@redhat.com>
1465 * flow.c (init_propagate_block_info): Don't consider unchanging
1466 memories for dead frame store elimination.
1468 2001-01-23 Richard Henderson <rth@redhat.com>
1470 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1471 * defaults.h: ... here.
1473 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1475 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1477 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1479 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1481 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1483 * rs6000.h (rs6000_return_addr): Move prototype from here...
1484 * rs6000-protos.h (rs6000_return_addr): ...to here.
1485 (rs6000_init_expanders): Delete prototype.
1487 2001-01-23 Nick Clifton <nickc@redhat.com>
1489 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1490 (Spec Files): Document %B and %j and %. and %v3 and %M and
1491 %{S*&T} spec switches.
1493 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1495 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1497 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1498 Neil Booth <neil@daikokuya.demon.co.uk>
1500 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1501 Have -Werror make pedantic warnings errors, like the
1504 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1506 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1508 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1510 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1511 * integrate.c (expand_inline_function): Initialize them.
1512 (subst_constants): If changing COMPARE so that both its arguments
1513 will be VOIDmode and the comparison mode will be lost, note
1514 compare_mode. Use the recorded compare_mode to optimize
1517 2001-01-23 Jason Merrill <jason@redhat.com>
1519 * dwarf2out.c (new_die): Use xcalloc.
1520 (output_die): Abort rather than emit a local reference to offset 0.
1522 2001-01-17 Andrew Haley <aph@redhat.com>
1524 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1525 of a saved register; return NULL instead.
1526 (copy_reg): Take a pointer to a source register rather than a
1528 (next_stack_level): Remember the address in the stack frame of all
1530 Use the saved register pointer array as the source of the CFA.
1531 (throw_helper): Rewrite. Unwind once rather than twice and keep
1532 track of saved registers as we go.
1534 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1536 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1537 * c4x.c (c4x_legitimize_reload_address): Remove.
1538 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1539 reload address for ldp(k) insn.
1541 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1543 * pa.md (return_internal): Add a USE of the PIC register to ensure
1544 it is restored after each call.
1545 (return expander): Corresponding changes.
1547 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1549 * rs6000.h (INIT_EXPANDERS): Delete.
1550 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1551 * rs6000.c (rs6000_override_options): Call *_machine_status from
1553 (rs6000_init_expanders): ...instead of here. Delete.
1554 (rs6000_mark_machine_status): New function.
1555 (rs6000_init_machine_status): Use xcalloc.
1556 (rs6000_return_addr): Generate RTX for the return address.
1557 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1558 (rs6000_stack_info): Use it.
1560 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1562 * gthr-win32.h: Include errno.h to get a declaration for
1563 EINVAL and _mingw.h if the target is mingw32.
1565 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1567 * cpp.texi: Correct typos.
1569 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1571 * explow.c (probe_stack_range): Ensure value passed to
1572 stack_check_libfunc is ptr_mode, not Pmode.
1574 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1576 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1577 case, don't use operand_subword to calculate a SUBREG that is
1580 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1582 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1584 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1585 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1586 valid. If not replace it by equivalent insns.
1588 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1590 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1591 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1592 (c4x_U_constraint, symbolic_address_operand): Likewise.
1593 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1595 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1596 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1597 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1598 anulling slot because of silicon bug.
1599 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1601 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1603 * cppexp.c (parse_charconst): Change `mask' type to agree
1606 2001-01-21 Richard Henderson <rth@redhat.com>
1608 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1609 pic_label_name in a linkonce section.
1611 2001-01-17 Philipp Thomas <pthomas@suse.de>
1613 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1615 * configure: Regenerate.
1617 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1619 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1620 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1622 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1624 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1625 If REVERSE nonzero then condition code in X must be reversed.
1626 (encode_section_info): Optimise if/else.
1627 (avr_function_value): Fix formatting.
1629 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1630 (difficult_branch): Likewise.
1631 (rvbranch): Likewise.
1632 (difficult_rvbranch): Likewise.
1634 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1636 * config/avr/libgcc.S: Fix comment.
1638 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1640 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1642 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1644 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1646 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1648 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1649 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1650 * configure, config.in: Regenerate.
1651 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1652 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1653 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1654 (doprint.o): New rule.
1656 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1658 * c-typeck.c (digest_init): Handle boolean types as scalars.
1660 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1662 * stmt.c (expand_return): Don't return anything if size is zero.
1663 Delete redundant assignment to BYTES.
1664 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1666 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1668 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1669 the same as the default library function names.
1670 * config/avr/avr.md: Document special characters after '%'.
1671 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1672 knowing which of the call-used registers are really clobbered.
1673 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1674 New. Both quotient and remainder from one libgcc.S call.
1675 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1676 clobber as few registers as possible.
1677 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1679 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1681 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1682 context of the top of the stack.
1684 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1686 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1687 (fixup_var_refs_insns): ...here.
1689 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1691 * function.c (fixup_var_refs_insns): Break up into
1692 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1693 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1694 [loop over hash table entries].
1695 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1696 fixup_var_refs_insns_with_hash, to match above changes.
1698 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1700 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1701 (libgcc.a): Likewise.
1702 (stmp-multilib): Likewise.
1703 (STAGE2_FLAGS_TO_PASS): Likewise.
1705 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1707 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1708 temporary if no_new_pseudos.
1710 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1712 * cppinternals.texi: Update.
1714 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1716 * arm.c (arm_init_builtins): Re-enable builtins.
1718 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1720 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1721 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1722 element to be null, and always expect an EXPR_LIST.
1723 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1724 * sched-deps.c (sched_analyze_1): Likewise.
1725 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1727 * regclass.c (max_set_parallel): New variable.
1728 (reg_scan): Take it into account in computation of max_parallel.
1729 (reg_scan_mark_refs, case SET): Compute it.
1731 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1733 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1734 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1736 2001-01-19 Jason Merrill <jason@redhat.com>
1738 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1739 for the abstract instance of an inline function.
1741 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1742 J"orn Rennecke <amylaar@redhat.com>
1744 * reload1.c (move2add_note_store): Treat all registers directly or
1745 indirectly derived from a base register as members of the same set
1747 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1748 of base register into account.
1750 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1752 * alias.c (find_base_value): Recognize TRUNCATE.
1753 (record_set): In PLUS case, invalidate if other summand is also a
1756 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1758 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1759 entry to be EXPR_LIST.
1760 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1761 be an EXPR_LIST (but not null, which other code doesn't allow).
1762 (note_stores): Properly handle PARALLEL in SET.
1763 Recursively call for top-level PARALLEL.
1764 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1765 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1767 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1769 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1771 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1772 not pfile->skipping (== 0).
1774 2001-01-17 Nick Clifton <nickc@redhat.com>
1776 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1779 2001-01-17 Jim Wilson <wilson@redhat.com>
1781 * invoke.texi (IA-64 options): Improve.
1783 2001-01-17 Tom Tromey <tromey@redhat.com>
1785 * invoke.texi (Optimize Options): Use `{}' to around @samp
1788 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1790 * invoke.texi (-fno-guess-branch-probability): New option.
1792 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1794 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1795 case of making new double-word constant.
1796 Revert last change: instead just test i3_subst_into_i2.
1798 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1800 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1801 Use q constraints instead of r.
1803 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1805 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1806 (machine_function): Define.
1807 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1808 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1809 pa_free_machine_status): New functions.
1810 (override_options): Set {init,mark,free}_machine_status to above.
1811 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1812 PIC_OFFSET_TABLE_REGNUM_SAVED.
1813 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1814 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1815 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1816 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1817 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1819 2001-01-15 DJ Delorie <dj@redhat.com>
1821 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1825 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1827 * flow.c (propagate_on_insn): Make trying to delete a prologue
1828 or epilogue insn an ICE, not a warning. Allow doing this if
1829 the current function returns with stack pointer depressed.
1831 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1832 I3 having more than one SET.
1834 2001-01-16 Jim Wilson <wilson@redhat.com>
1836 * invoke.texi: Document IA-64 options.
1838 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1839 (fixup_errata): Delete TARGET_A_STEP use.
1840 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1841 (TARGET_SWITCHES): Delete -ma-step option.
1842 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1843 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1844 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1845 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1846 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1847 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1849 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1850 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1851 cmovsi_internal): Delete ! TARGET_A_STEP check.
1853 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1855 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1856 possibility to report bugs via postal mail. Change a URL and
1857 merge in a nearly duplicate statement...
1858 (Bug Reporting): ...from here.
1859 (Service): Refer to the Bug Reporting section instead of
1861 (Contributing): Remove trivial explanations concerning snapshots.
1863 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1865 * cppmain.c (general_init): Don't use ANSI prototype.
1867 2001-01-16 Tom Tromey <tromey@redhat.com>
1869 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1871 2001-01-16 Richard Henderson <rth@redhat.com>
1873 * config/i386/i386.h: Fix comment typo.
1874 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1875 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1877 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1879 * gcc.c: Revert previous -fsyntax-only-related change; move
1882 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1884 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1885 inmode after checking GET_CODE (op).
1887 2001-01-16 Richard Henderson <rth@redhat.com>
1889 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1890 (MAX_MEM_SET_LIST_LEN): New.
1891 (propagate_one_insn): Update mem_set_list_len.
1892 (invalidate_mems_from_autoinc): Likewise.
1893 (invalidate_mems_from_set): Likewise.
1894 (mark_used_regs): Likewise.
1895 (init_propagate_block_info): Likewise. Stop collecting memories
1896 when we reach MAX_MEM_SET_LIST_LEN.
1897 (mark_set_1): Likewise.
1899 2001-01-16 Richard Henderson <rth@redhat.com>
1901 * unroll.c (precondition_loop_p): Fail if no iteration
1904 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1906 * gcc.c: When -fsyntax-only is given, do not complain about
1909 2001-01-15 Richard Henderson <rth@redhat.com>
1911 * config/i386/i386.c (asm_output_function_prefix): Remove.
1912 (ix86_asm_file_end): New.
1913 (load_pic_register): Generate pic_label_name into a
1914 staticly allocated buffer.
1915 * config/i386/i386-protos.h: Update.
1916 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1917 (ASM_FILE_END): New.
1918 * config/i386/i386afe.h: New file.
1919 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1920 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1921 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1922 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1923 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1924 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1925 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1927 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1929 * Makefile.in (install-man): Remove explicit dependency on
1932 * configure.in, configure: Revert previous patch requiring perl
1935 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1937 * toplev.c (flag_guess_branch_prob): New.
1938 (f_options): Add guess-branch-probability option.
1939 (rest_of_decl_compilation): Only estimate branch probability if
1941 (main): set flag_guess_branch_prob.
1943 * flags.h (flag_guess_branch_prob): New.
1945 2001-01-15 DJ Delorie <dj@redhat.com>
1947 * gcc.texi (Makefile): Add documentation for Makefile targets.
1949 2001-01-15 Philip Blundell <philb@gnu.org>
1951 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1953 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1954 (is_pic): Delete declaration.
1955 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1956 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1957 * config/arm/arm.md (builtin_setjmp_receiver): New.
1959 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1961 * arm.c (use_return_insn): Don't try to determine the function type
1962 until after reload has completed.
1963 (arm_output_epilogue): Don't adjust the sp value recovered from the
1965 (emit_multi_reg_push): Don't record dwarf information for the pc.
1966 * arm.md (eh_epilogue): The function type may have changed, so it
1967 needs to be recalculated.
1968 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
1969 unwind tables on arm/netbsd.
1971 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1973 * arm.md (cbranchsi4): Correct calculation of branch ranges.
1974 (negated_cbranchsi4): Likewise.
1976 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1978 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
1979 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1980 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
1981 pass -mapcs-* options to assembler.
1982 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
1983 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1984 (ASM_SPEC): Call subtarget_extra_asm_spec.
1986 2001-01-15 Andreas Jaeger <aj@suse.de>
1988 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1990 (ix86_expand_builtin): Likewise.
1992 * gencodes.c (output_predicate_decls): Make i size_t to avoid
1993 warning about comparison between signed and unsigned.
1995 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
1997 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
1999 2001-01-14 Ralf Baechle <ralf@gnu.org>
2001 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2002 SUBTARGET_CPP_SPEC apropriatly.
2004 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2006 * varasm.c (make_decl_rtl): Fix typo in last change.
2008 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2010 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2011 linker supports the init_priority C++ attribute.
2012 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2013 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2014 linker does not support init_priority C++ attribute.
2016 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2018 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2020 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2022 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2023 * cp/lex.c (finish_parse): Similarly.
2024 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2025 Return the number of errors encountered.
2026 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2027 * cppmain.c (main): Don't call cpp_destroy.
2029 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2031 * configure.in: Require at least perl 5.6.0 to regenerate
2033 * configure: Regenerate.
2035 2001-01-14 Richard Henderson <rth@redhat.com>
2037 * genrecog.c (DT_veclen_ge): New.
2038 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2039 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2040 (nodes_identical_1): Handle DT_veclen_ge.
2041 (write_cond, debug_decision_2): Likewise.
2043 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2045 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2047 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2049 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2051 * cppmain.c (do_preprocessing): New function; most of the old
2053 (main): Call it to do most of the work.
2054 (cb): Move from global scope to set_callbacks ().
2055 (setup_callbacks): Get the callback pointer.
2056 (general_init, printer_init): Clean up code and comments.
2058 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2060 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2063 2001-01-14 Kazu Hirata <kazu@hxi.com>
2065 * config/h8300/h8300.c (get_shift_alg): Update comments.
2067 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2069 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2070 (alloc_page, ggc_alloc): Add casts to remove warnings.
2072 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2074 * combine.c (simplify_comparison): Don't change `code' when
2075 can't reverse comparison.
2077 2001-01-14 Richard Henderson <rth@redhat.com>
2079 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2080 update all call sites. Return true for all non-label constants.
2082 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2084 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2086 (ix86_expand_branch): Update.
2087 (ix86_expand_setcc): Update to handle multiple test conditions.
2088 (expand_int_movcc): Likewise.
2089 (expand_fp_movcc): Likewise.
2090 * i386-protos.h (ix86_expand_compare): New.
2091 * i386.md (andqi_?_slp, orqi_?_slp): New.
2092 (conditional trap expander): Update call to ix86_expand_compare.
2094 2001-01-14 Richard Henderson <rth@redhat.com>
2096 * config/vax/vax.md: Use nonimmediate_operand instead of
2097 general_operand in destinations.
2099 * config/vax/vax.md (indirect_jump): Use register_operand.
2101 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2102 * config/vax/vax.md (call_pop): Turn into an expander.
2103 (call_value_pop): Likewise.
2104 (call, call_value): New.
2106 2001-01-14 Andreas Jaeger <aj@suse.de>
2108 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2110 (ix86_fp_compare_mode): Add unused attribute.
2111 (ix86_expand_fp_movcc): Remove unused variable.
2112 (ix86_expand_builtin): Make fcode unsigned.
2114 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2115 (expand_expr): Add cast to avoid signed warning.
2116 (store_field): Likewise.
2117 (store_constructor_field): Likewise.
2118 (store_constructor): Likewise.
2119 (store_expr): Likewise.
2120 (clear_storage): Likewise.
2121 (emit_group_store): Likewise.
2122 (emit_group_load): Likewise.
2124 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2126 * c-common.c: Move format checking code to ...
2127 * c-format.c: ... here. New file. Reorder some functions and
2129 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2131 * c-common.h (decl_handle_format_attribute,
2132 decl_handle_format_arg_attribute): Declare.
2133 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2134 (c-common.o): Adjust dependencies.
2135 (c-format.o): New list of dependencies.
2137 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2139 * unroll.c (loop_iterations): If we cannot prove iteration variable
2140 is set once in each iteration, punt.
2142 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2144 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2145 (*strlenhi): Remove clobber (which was buggy) of output address.
2147 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2149 * Makefile.in (generated-manpages): Add gcc.1
2150 ($(srcdir)/gcc.1): New target.
2151 (maintainer-clean): Delete $(srcdir)/gcc.1.
2152 * gcc.texi: Add macros @gccoptlist and @gol.
2153 * invoke.texi: Include option summary in manpage. Mark up option
2154 summary with @gccoptlist and @gol. Use @r in one place where
2156 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2157 * gcc.1: Generate from invoke.texi.
2159 2001-01-13 Richard Henderson <rth@redhat.com>
2161 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2162 (struct page_entry): Add group member.
2163 (struct page_group): New.
2164 (struct globals): Add page_groups member.
2165 (alloc_anon): Only define for using mmap; remove valloc call.
2166 (page_group_index): New.
2167 (set_page_group_in_use): New.
2168 (clear_page_group_in_use): New.
2169 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2170 (free_page, release_pages): Likewise.
2171 * configure.in (with-gc): Default to ggc-page always.
2173 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2175 * reload1.c (replace_pseudos_in_call_usage): Use
2176 reg_equiv_constant and reg_equiv_address, and don't try
2177 regno_reg_rtx first.
2179 2001-01-13 Richard Henderson <rth@redhat.com>
2181 * ggc-page.c (alloc_page): Round up allocation size to one page.
2182 Set e->order on extra pages.
2184 2001-01-13 Richard Henderson <rth@redhat.com>
2186 * genrecog.c (nodes_identical): Expand commentary.
2187 (write_switch): Watch out for identical nodes.
2189 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2191 * cppfiles.c (_cpp_fake_include): New function.
2192 * cpphash.h (_cpp_fake_include): New.
2193 * cpplib.c (do_line): Call _cpp_fake_include when entering
2194 header files in preprocessed input.
2195 * cppmain.c (cb_pragma_implementation): Remove handling.
2196 (setup_callbacks): Don't register pragmas.
2198 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2200 * extend.texi: Udate for CPP.
2202 2001-01-13 Andreas Jaeger <aj@suse.de>
2204 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2206 * regmove.c: Add prototype for replace_in_call_usage.
2208 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2210 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2211 struct cpp_chunk, struct htab, struct toklist,
2212 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2213 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2214 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2215 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2216 (struct macro_args): Delete.
2217 * cpphash.h: See above.
2219 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2221 * cppmain.c (struct printer): Remove no_line_dirs.
2223 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2224 : Use options rather than CPP_OPTION.
2225 (setup_callbacks): Use cb rather than pfile->cb.
2226 (main): No need to check for a buffer. Use cpp_errors.
2227 (printer_init): Don't set no_line_dirs.
2228 (maybe_print_line): Use options not no_line_dirs.
2229 (cb_file_change): Don't call print_line if -P.
2231 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2233 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2235 * c-parse.in (finish_parse): Use cpp_errors.
2236 (__yylex): Use return value of cpp_pop_buffer.
2237 * cp/lex.c (finish_parse): Use cpp_errors.
2238 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2240 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2242 * README.AVR: URLs corrected.
2244 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2246 * c-decl.c (start_function): Don't warn if old prototype is builtin
2247 that's not in C's namespace.
2248 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2249 (_bb): Add prototype for ctime.
2250 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2252 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2254 * i386.c (ix86_fp_comparison_arithmetics_cost,
2255 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2256 ix86_fp_comparison_cost): New functions.
2257 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2258 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2259 two-branch sequences; make static.
2260 (ix86_use_fcomi_compare): Do decision according to the costs.
2261 (split_fp_branch): New.
2262 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2263 * i386-protos.h (ix86_expand_fp_compare): Remove
2264 (ix86_split_fp_branch): Declare.
2266 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2267 and ix86_comparison_operator.
2269 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2272 * i386.c (put_condition_code): Output properly the unordered/ordered
2273 compares in fp case.
2274 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2276 * tm.texi (REVERSE_CONDITION): Document.
2277 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2278 in -ffast-math mode.
2279 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2281 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2283 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2285 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2288 * config/sh/sh.c (mova_p): Fix test for mova_const.
2290 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2292 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2293 cpp_get_options rather than dereferencing pfile and using
2295 * scan-decls.c (scan_decls): Use return value of
2296 cpp_pop_buffer rather than CPP_BUFFER.
2298 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2300 * cppinit.c (cpp_handle_option): help_only is now part of the
2301 cpp_options structure.
2302 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2303 cpp_set_callbacks): New functions.
2304 * cpplib.h (cpp_callbacks): Break out as a named structure.
2305 (cpp_options): Move help_only here from cpp_reader.
2306 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2307 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2308 cpp_set_callbacks): New prototypes.
2309 * cppmain.c (main): Update for help_only.
2311 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2313 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2314 Also build and remove and install and uninstall c-tree.info and
2316 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2317 ($(srcdir)/cppinternals.info): New target.
2318 * c-tree.texi: Change file name used when makeinfo used without -o
2319 from ir.info to c-tree.info. Add info directory entry.
2320 * cppinternals.texi: Add info directory entry.
2321 * .cvsignore: Update.
2323 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2325 * c-typeck.c (store_init_value): Don't require constant initializer
2326 elements with -pedantic -std=c99.
2327 (digest_init): Change error about non-constant initializer elements
2329 (constructor_range_end): Remove.
2330 (constructor_incremental, designator_depth,
2331 designator_errorneous): New variables.
2332 (struct constructor_stack): Remove range_end, add incremental.
2333 (struct constructor_range_stack, constructor_range_stack): New.
2334 (struct initializer_stack): Add constructor_range_stack.
2335 (finish_init): Set it.
2336 (start_init): Likewise. require_constant_elements for non-static
2337 trees only if not flag_isoc99.
2338 (really_start_incremental_init): Remove constructor_range_end, add
2339 constructor_incremental.
2340 (pop_init_level): Likewise.
2341 (push_init_level): Likewise. If implicit and the subobject had some
2342 value set already, preinitialize the level with it.
2343 Warn about missing braces only if not pushing due to designators.
2344 (set_designator, push_range_stack): New functions.
2345 (set_init_label): Use them.
2346 (set_init_index): Likewise. Remove constructor_range_end.
2347 Error if designator index is outside of array bounds.
2348 (add_pending_init): Compare values of purpose index trees, not the
2349 trees themselves. Allow overwriting of already initialized element.
2350 Issue a warning if it had side-effects.
2351 (set_nonincremental_init, set_nonincremental_init_from_string): New
2353 (pending_init_member): Rename to...
2354 (find_init_member): ...this function. Call set_nonincremental_init
2355 if necessary. Compare values of purpose index trees, not the trees
2356 themselves. Return the actual value, not just non-zero if something
2358 (output_init_element): Remove checks for duplicates.
2359 If field has zero size, only check the initializer for correctness.
2360 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2361 if constructor_incremental is zero. Change error about initializers
2362 not computable at load time into pedwarn.
2363 (output_pending_init_elements): Compare bit positions, not
2364 FIELD_DECLs to take into account zero-sized fields.
2365 (process_init_element): Use constructor_range_stack to fill all
2366 ranges in the designator lists from current level up.
2367 * extend.texi: Update documentation for labeled elements.
2369 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2371 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2372 to function usage for arguments passed by reference. Optimize
2373 callee-copied arguments.
2374 * regmove.c (replace_in_call_usage): New function.
2375 (fixup_match_1): Call it.
2376 * cse.c (cse_insn): Canonicalize registers in function usage.
2377 * reload1.c (replace_pseudos_in_call_usage): New function.
2380 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2383 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2385 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2388 2001-01-12 DJ Delorie <dj@redhat.com>
2390 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2391 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2394 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2396 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2397 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2398 -std options alongside references to -ansi. Update some
2399 documentation for C99.
2400 * cpp.1: Regenerate.
2402 2001-01-12 Andreas Jaeger <aj@suse.de>
2404 * haifa-sched.c (restore_line_notes): Remove argument block B
2406 * sched-ebb.c (schedule_ebb): Change caller.
2407 * sched-rgn.c (schedule_region): Likewise.
2408 * sched-int.h (restore_line_notes): Adjust prototype.
2410 * loop.h: Remove wrong declaration of doloop_condition_get.
2412 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2414 * extend.texi: Move C++-extension-related node from the C section
2415 into the C++ section.
2417 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2419 * extend.texi: Refer to an array of pointers to functions instead
2420 of one of functions.
2422 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2423 Jan Hubicka <jh@suse.cz>
2425 * combine.c (reversed_comparison): Fix typo in last patch.
2427 (combine_reversed_comparison_code): Make static to follow
2428 prototype declaration.
2430 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2432 * install.texi: Remove misplaced duplicate entry.
2434 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2436 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2438 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2440 * final.c: (leaf_function_p): Fix typo.
2442 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2444 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2445 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2447 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2448 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2449 mmap_anon, and valloc is available.
2450 * ggc-page.c: Restructure ifdef logic to match new autoconf
2451 spec. Don't throw away the test page in init_ggc.
2453 * configure, config.in: Regenerate.
2455 2001-01-12 Michael Hayes <mhayes@redhat.com>
2457 * loop.h (total_biv_increment): Constify iv_class pointer.
2458 (struct induction): Replace `mem_mode' with `mem' rtx.
2459 * unroll.c (total_biv_increment): Constify iv_class pointer.
2460 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2461 (find_mem_givs, combine_givs_p): Likewise.
2462 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2464 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2466 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2468 (__gthread_getspecific): Ditto.
2470 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2472 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2473 put_condition_code): Convert fp comparison codes to integer
2475 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2478 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2479 * i386-protos.h (no_comparison_operator): Kill.
2481 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2483 * combine.c (REVERSIBLE_CC_MODE): Remove.
2484 (reversible_comparison_p): Remove.
2485 (combine_reversed_comparison_code): New.
2486 (reversed_comparison): New.
2487 (combine_simplify_rtx): Use
2488 combine_reversed_comparison_code/reversed_comparison instead
2489 of reversible_comparison_p.
2490 (simplify_if_then_else): Likewise.
2491 (simplify_set): Likewise.
2492 (simplify_logical): Likewise.
2493 (if_then_else_cond): Likewise.
2494 (known_cond): Likewise.
2495 (simplify_comparison): Likewise.
2497 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2499 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2500 sizeof (int) is larger than sizeof(__word__).
2502 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2504 * cppinit.c (do_includes): Fix typo.
2506 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2508 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2509 in S_REGS does not occur because not all sources are possible
2510 when a S_REGS is a destination (sometimes needs a clobber).
2511 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2512 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2513 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2514 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2515 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2516 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2517 (lshrdi_const1, lshrsi3_const16): Likewise.
2518 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2519 (*movhi_68hc12, *movqi_68hc12): Likewise.
2520 (movstrictqi): Make sure reloading in D_REGS as a destination
2523 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2525 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2527 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2529 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2530 -D, -U and -A, and don't initialize the builtins.
2531 (do_includes): Error if -include or -imacros with -fpreprocessed.
2532 * cppmain.c (cb_define, cb_undef): Unconditionally process
2534 * tradcpp.c (main): Fix typo.
2536 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2538 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2539 (read_name_map): Use IS_ABSOLUTE_PATH.
2540 * tradcpp.c (get_filename): Likewise.
2542 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2544 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2545 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2546 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2547 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2548 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2549 (cmphi_z_used): Don't use '@' for the output.
2550 (tstqi_z_used): Likewise.
2551 (cmpqi_z_used): Likewise.
2552 (one_cmplsi2): Likewise.
2554 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2556 * config/sh/sh.c (barrier_align): Recognize branch around far
2557 branch and redundant insn.
2559 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2561 * invoke.texi: Restore documentation of the drivers' switches -MD
2564 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2566 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2568 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2569 check-objc//%): Support parallel testing of multilibs.
2570 (TESTSUITEDIR): Set to testsuite by default, but override for
2572 (check-gcc, check-g++, check-g77, check-objc): Enter
2575 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2577 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2578 * sched-deps.c (deps_may_trap_p): Likewise.
2579 * basic-block.h: Remove a comment.
2580 * flow.c (PROP_POSTRELOAD): Remove.
2581 (update_life_info): Don't add it to prop_flags.
2582 (mark_set_1): Lose the code that was enabled by it.
2584 2001-01-11 Michael Hayes <mhayes@redhat.com>
2586 * flow.c (flow_call_edges_add): New.
2587 * basic_block.h (flow_call_edges_add): New.
2589 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2591 * reload1.c (move2add_note_store): Update reg_set_luid even if
2592 base reg remains the same.
2594 2001-01-10 Nick Clifton <nickc@redhat.com>
2596 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2597 machine_function structure to zero.
2598 Add prototypes for machine_status functions.
2600 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2602 * c-common.h (CTI_VOID_LIST): Remove.
2603 (void_list_node): Likewise.
2604 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2605 (void_list_node): New macro.
2606 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2607 * config/i386/i386.c (ix86_init_builtins): Likewise.
2608 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2610 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2612 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2613 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2615 * tradcpp.c: Include mkdeps.h.
2616 (deps, print_deps_phony_targets, deps_append, output_deps,
2617 init_dependency_output, output_deps): New.
2618 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2619 deps_output): Delete.
2620 (print_deps_missing_files): Rename deps_missing_files.
2621 (inhibit_output): Make global.
2622 (main): Delete inhibit_output, deps_stream, deps_target.
2623 Use mkdeps functionality in the same way as cpplib. Remove
2624 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2625 -M and -MM. Remove old handling of deps via deps_out, and
2626 old reading of environment variables.
2627 (get_filename): Update to use deps_add_dep.
2629 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2631 * output.h (make_function_rtl): Remove prototype.
2632 (make_decl_rtl): Likewise.
2633 * varasm.c (make_function_rtl): Remove.
2634 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2635 than from a third parameter.
2636 * tree.h (make_decl_rtl): Remove last parameter.
2637 * c-decl.c (builtin_function): Remove last argument in call to
2638 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2639 (start_function): Likewise.
2640 * except.c (call_get_eh_context): Likewise.
2641 * expr.c (emit_block_move): Likewise.
2642 (clear_storage): Likewise.
2643 * profile.c (output_func_start_profiler): Likewise.
2644 * toplev.c (rest_of_decl_compilation): Likewise.
2645 * objc/objc-act.c (create_builtin_decl): Likewise.
2646 (synth_module_prologue): Likewise.
2647 (generate_static_reference): Likewise.
2648 (build_selector_reference_decl): Likewise.
2649 (build_class_reference_decl): Likewise.
2650 (build_objc_string_decl): Likewise.
2651 (build_protocol_reference): Likewise.
2653 2001-01-10 Richard Henderson <rth@redhat.com>
2655 * hwint.h: Revert yesterday's change.
2657 2001-01-10 Nick Clifton <nickc@redhat.com>
2659 * function.h (save_machine_status): Delete.
2660 (restore_machine_status): Delete.
2661 Amend comment describing {init|mark|free}_machine_status.
2663 * function.c (save_machine_status): Delete.
2664 (restore_machine_status): Delete.
2665 Amend comment describing {init|mark|free}_machine_status.
2666 (push_function_context_to): Remove invocation of
2667 save_machine_status.
2668 (pop_function_context_from): Remove invocation of
2669 restore_machine_status.
2671 * emit-rtl.c (init_emit_once): Amend comment describing
2672 {init|mark|free}_machine_status.
2674 * tm.texi (Per-Function Data): New node. Describe the
2675 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2678 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2680 * cppinit.c (OPT_g): Remove.
2681 (cpp_handle_option): Update for removed -g3.
2682 (print_help): Update.
2683 * cpplib.h (struct cpp_options): Remove debug_output.
2684 * cppmain.c (setup_callbacks, cb_define): Update.
2685 * gcc.c (cpp_options): Translate -g3 to -dD.
2687 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2689 * config/i960/i960.md: Change modifier to + on the zero_extract
2690 pattern after the (rotate -2 reg) canonicalization pattern.
2692 2001-01-10 Richard Henderson <rth@redhat.com>
2694 * config/alpha/alpha.c (alpha_free_machine_status): New.
2695 (override_options): Install it.
2696 (alpha_mark_machine_status): Verify machine non-null.
2697 * config/i386/i386.c (ix86_free_machine_status): New.
2698 (override_options): Install it.
2699 (ix86_init_machine_status): Use xcalloc.
2700 (ix86_mark_machine_status): Verify machine non-null.
2701 * config/ia64/ia64.c (ia64_free_machine_status): New.
2702 (ia64_override_options): Install it.
2703 (ia64_mark_machine_status): Verify machine non-null.
2705 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2707 * function.c (instantiate_virtual_regs): Instantiate virtual
2708 registers found in CALL_INSN_FUNCTION_USAGE.
2710 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2712 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2713 equivalent to -ansi in disabling -Di386.
2715 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2717 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2719 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2721 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2723 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2725 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2727 * invoke.texi: Document that -fcond-mismatch isn't supported for
2730 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2732 * gcc.texi: Define macro gcctabopt.
2733 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2734 @command, @env and @option in some places where appropriate. Use
2735 @gcctabopt where appropriate. Put URLs and email addresses inside
2738 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2740 * gcc.c (cpp_options): Set MD file name from output
2741 filename, if specified.
2742 (suffix_subst): New static variable.
2743 (do_spec): Clear it.
2744 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2746 (give_switch): Handle suffix_subst.
2748 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2750 * invoke.texi: Fix another typo.
2752 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2754 * invoke.texi: Fix typo.
2756 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2758 * c-lang.c (lang_hooks): Update.
2759 (lang_decode_option): Remove.
2760 (lang_init_options): Rename c_init_options.
2761 * toplev.c (main): Use lang_hooks for lang_init_options
2762 and lang_decode_option.
2763 * toplev.h (lang_hooks): Add 2 new hooks.
2764 * tree.h: Remove lang_init_options and lang_decode_option.
2765 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2766 * cp/decl2.c: Similarly.
2767 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2768 (lang_hooks): Update.
2769 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2771 (lang_init_options): Rename ffe_init_options.
2772 (lang_hooks): Update.
2773 (lang_decode_option): Remove.
2774 * java/lang.c (lang_init_options): Rename java_init_options.
2775 (lang_decode_option): Rename java_decode_option.
2776 (lang_hooks): Update.
2777 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2778 (lang_decode_option): Rename objc_decode_option.
2779 (lang_hooks): Update.
2781 2001-01-09 Nick Clifton <nickc@redhat.com>
2783 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2784 (d30v_return_addr_rtx): Delete.
2785 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2786 cfun->machine structure.
2787 (struct machine_function): Move to d30v.h
2788 (d30v_save_machine_status): Delete.
2789 (d30v_restore_machine_status): Delete.
2790 (d30v_init_machine_status): New Function.
2791 (d30v_mark_machine_status): New Function.
2792 (d30v_free_machine_status): New Function.
2793 (d30v_init_expanders): Use new functions.
2794 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2795 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2796 d30v_return_addr_rtx.
2798 * config/d30v/d30v.h (struct_machine): Move here.
2799 Add eh_epilogue_sp_ofs field.
2801 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2802 field in cfun->machine structure.
2804 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2806 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2807 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2808 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2810 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2812 * objc/lang-options.h: Remove bogus reference to
2815 2001-01-09 Kazu Hirata <kazu@hxi.com>
2817 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2820 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2822 * reload.c (find_reloads_address): Check for eliminable registers
2823 when substituting a constant expression for a pseudo.
2825 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2827 * c-common.c (enum format_type): Add format_type_error.
2828 (decode_format_type): New function.
2829 (decl_attributes): Use it.
2830 (format_kind_info): Adjust comment.
2832 2001-01-09 David O'Brien <obrien@BSDi.com>
2834 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2835 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2837 * config/i386/gnu.h: Don't include required platform specific .h files,
2838 tm.h will do it instead.
2839 * config/i386/i386elf.h: Likewise.
2840 * config/i386/linux.h: Likewise.
2841 * config/i386/moss.h: Likewise.
2842 * config/mips/gnu.h: Likewise.
2844 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2846 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2847 (rs6000-ibm-aix3.[01]*): Likewise.
2848 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2849 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2850 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2851 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2852 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2853 (powerpc-*-eabiaix*): Likewise.
2854 (powerpc-*-eabisim*): Likewise.
2855 (powerpc-*-elf*): Likewise.
2856 (powerpc-*-eabi*): Likewise.
2857 (powerpc-*-rtems*): Likewise.
2858 (powerpc-*-linux*libc1): Likewise.
2859 (powerpc-*-linux*): Likewise.
2860 (powerpc-wrs-vxworks*): Likewise.
2861 (powerpcle-wrs-vxworks*): Likewise.
2862 (powerpcle-*-sysv*): Likewise.
2863 (powerpcle-*-elf*): Likewise.
2864 (powerpcle-*-eabisim*): Likewise.
2865 (powerpcle-*-eabi*): Likewise.
2866 (powerpcle-*-solaris2*): Likewise.
2867 * config/rs6000/aix31.h: Delete includes.
2868 * config/rs6000/aix3newas.h: Likewise.
2869 * config/rs6000/aix41.h: Likewise.
2870 * config/rs6000/aix43.h: Likewise.
2871 * config/rs6000/beos.h: Likewise.
2872 * config/rs6000/rtems.h: Likewise.
2873 * config/rs6000/sysv4.h: Likewise.
2875 2001-01-09 Kazu Hirata <kazu@hxi.com>
2877 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2878 Change an argument mode of machine_mode to shift_mode of
2879 shift_mode. Remove an extra error check.
2880 (emit_a_shift): Adopt to the new calling prototype of
2882 (function_prologue): Fix code for a monitor
2883 function. Support H8/S.
2884 (function_epilogue): Do not output pop for a monitor function.
2886 2001-01-09 Nick Clifton <nickc@redhat.com>
2888 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2889 (setup_incoming_varargs): Use sysv_varargs_p field of the
2890 cfun->machine structure.
2891 (struct machine_function): Move to rs6000.h
2892 (rs6000_save_machine_status): Delete.
2893 (rs6000_restore_machine_status): Delete.
2894 (rs6000_init_machine_status): New Function.
2895 (rs6000_free_machine_status): New Function.
2896 (rs6000_init_expanders): Use new functions.
2898 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2900 (struct machine_function): Move here.
2902 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2903 sysv_varargs_p field of the cfun->machine structure.
2905 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2907 (rs6000_restore_machine_status): Remove prototype.
2909 2001-01-09 Richard Henderson <rth@redhat.com>
2911 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2912 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2913 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2914 (sched_analyze_2, sched_analyze_insn): Likewise.
2915 (sched_analyze, init_deps): Likewise.
2916 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2917 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2918 (compute_block_backward_dependences): Update propagate_deps call.
2920 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2922 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2924 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2926 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2927 (cpp_handle_option): Handle them.
2928 (cpp_post_options): Ensure one of -M or -MM is specified with
2929 any other -M? option.
2930 (init_dependency_output): Suppress output with -MG.
2932 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2935 * invoke.texi: Update.
2937 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2939 * sh.md (reload_outsf): Generate recognizable patterns for
2942 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2944 * c-lang.c (lang_hooks): Update.
2945 (lang_init): Rename c_init.
2946 (lang_finish): Remove.
2947 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2949 * toplev.h (lang_hooks): Add init () and finish ().
2950 * tree.h (lang_init, lang_finish): Remove.
2951 * cp/tree.h (lang_init, lang_finish): Remove.
2952 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2953 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2955 (lang_init, lang_finish): Remove.
2956 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2957 (lang_hooks): Update.
2958 * java/lang.c (lang_init): Rename java_init.
2959 (lang_finish): Remove.
2960 (lang_hooks): Update.
2961 * objc/objc-act.c (lang_init): Rename objc_init.
2962 (lang_finish): Remove.
2963 (lang_hoooks): Update.
2965 20001-01-09 Graham Stott <grahams@redhat.com>
2967 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
2968 after `ptr` is initialised.
2970 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2972 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
2973 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
2974 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
2975 stack adjusts, instead of r3.
2977 2001-01-09 Michael Hayes <mhayes@redhat.com>
2979 * flow.c (flow_loop_scan): Break out of ...
2980 (flow_loops_find) ... here.
2981 * basic-block.h (flow_loop_scan): New.
2982 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
2983 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2985 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2987 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2989 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2990 realloc()ing macro_buffer.
2992 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2993 if it's wider than long and the target's long is wider than the
2996 2001-01-09 Mark Mitchell <mark@codesourcery.com>
2998 Remove support for using UWIN as a host machine.
2999 * configure.in: Issue an error message.
3000 * configure: Regenerated.
3001 * config.gcc: Remove xm_* UWIN configury.
3002 * config/i386/xm-uwin.h: Remove.
3004 2001-01-08 Nick Clifton <nickc@redhat.com>
3006 * config/v850/v850.c (ra_rtx): Delete.
3007 (v850_save_machine_status): Delete.
3008 (v850_restore_machine_status): Delete.
3009 (v850_init_machine_status): New function.
3010 (v850_mark_machine_status): New function.
3011 (v850_free_machine_status): New function.
3012 (v850_return_addr): Use ra_rtx field in machine structure.
3013 (v850_init_expanders): Use new functions.
3015 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3016 * config/v850/v850.c: Change arguments to v850_output+* functions
3017 to take a const char *, to avoid compile time warning.
3018 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3019 (USER_LABEL_PREFIX): Redefine.
3021 2000-01-08 Jim Wilson <wilson@redhat.com>
3023 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3024 1 to unsigned HOST_WIDE_INT before left shift.
3026 2001-01-08 Nick Clifton <nickc@redhat.com>
3028 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3029 the machine structure has been allocated.
3030 (arm_free_machine_status): New function: Free the machine
3031 specific function structure.
3033 2001-01-08 Richard Henderson <rth@redhat.com>
3035 * jump.c (simplejump_p): Revert last change.
3037 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3039 * cppinit.c (init): Rename init_library.
3040 (cpp_create_reader): Update.
3041 * gcc.c (cpp_options): If -o given, use it as the target of
3044 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3046 * arm.c (arm_arch5e): New variable.
3047 (all_cores): XScale is a 5TE device.
3048 (arm_override_options): Set arm_arch5e.
3049 (arm_init_builtins): __builtin_prefetch is in arch5e.
3050 * arm.h (arm_arch5e): Declare it.
3052 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3054 * arm.md (define_constants): Add defines for UNSPEC and
3055 UNSPEC_VOLATILE insns. Update all users.
3056 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3057 * arm.c (multi_register_push, note_invalid_constants)
3058 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3059 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3060 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3062 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3064 * jump.c (jump_optimize_1): Use reversed_comparison_code
3065 instead of can_reverse_comparison_p.
3066 (jump_back_p): Likewise.
3067 (invert_exp_1): Likewise.
3068 (thread_jumps): Likewise.
3069 * simplify-rtx.c (simplify_unary_operation): Likewise.
3070 (simplify_ternary_operation): Likewise.
3071 * cse.c (find_comparison_args): Convert to use
3072 can_reverse_comparison_p.
3073 (record_jump_equiv): Likewise.
3075 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3077 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3078 (EPILOGUE_USES): Define.
3079 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3080 automatically stack the LR if it isn't live.
3082 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3084 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3087 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3089 * ggc-page.c (max_alignment): New structure.
3090 (MAX_ALIGNMENT): New macro.
3091 (init_ggc): Use it to round up the sizes in the
3092 extra_order_size_table.
3094 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3096 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3099 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3101 * builtins.def (BUILT_IN_FPRINTF): New entry.
3103 * c-common.c (c_expand_builtin_fprintf): New function.
3104 (init_function_format_info): Handle __builtin_fprintf.
3105 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3106 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3108 * c-decl.c (duplicate_decls): Adjust comment.
3110 * extend.texi (fprintf): Document new builtin.
3112 2001-01-07 Richard Henderson <rth@redhat.com>
3114 * jump.c (simplejump_p): Recognize any single_set jump
3117 2001-01-07 Richard Henderson <rth@redhat.com>
3119 * configure.in (slibdir): Accept an --with-slibdir option.
3120 Use "test" not "[" in configure. Default to $(libdir).
3122 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3124 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3125 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3126 (SHLIB_LINK): Create links for the soname.
3127 * config/mips/t-iris6: Likewise.
3128 * config/sparc/t-slibgcc: Likewise.
3129 * config/sparc/t-slibgcc-sld: Likewise.
3131 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3133 * config/i386/i386.c (constant_call_address_operand): Accept
3134 (const (plus (symbol_ref) (const_int))).
3135 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3136 constant_call_address_operand.
3138 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3140 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3141 and LONG_LONG_TYPE_SIZE > 32.
3143 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3145 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3146 the previous change.
3148 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3150 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3152 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3153 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3154 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3157 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3159 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3161 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3163 * c-lang.c (c_post_options): Call cpp_post_options.
3164 * objc/objc-act.c (objc_post_options): Similarly.
3165 * cppmain.c (main): Similarly.
3166 * fix-header.c (read_scan_file): Similarly.
3167 * cppinit.c (cpp_start_read): Move option consistency checks
3168 to cpp_post_options. Don't call init_dependency_output.
3169 If needed, add default target and main file dependency.
3170 (OPT_MD, OPT_MMD): Remove.
3172 (cpp_handle_option): Update for OPT_* changes.
3173 (cpp_post_options): New.
3174 (init_dependency_output): Command line -MF overrides environment
3175 variables. Don't set default target etc. Suppress output
3176 if dependencies are going to stdout.
3177 (print_help): Update.
3178 * cpplib.h (cpp_post_options): New.
3179 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3181 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3183 * jump.c (comparison_dominates_p): Support unordered compares.
3185 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3187 * simplify-rtx.c (simplify_relational_operation): Always simplify
3188 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3191 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3193 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3194 (nonzero_bits): Likewise.
3195 (simplify_comparison): Likewise.
3196 (num_sign_bit_copies): Likewise; return more sane value depending
3197 on STORE_FLAG_VALUE.
3198 (known_cond): Do not assume EQ to be always true for equivalent
3201 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3203 * cse.c (fold_rtx): Handle unordered comparisons.
3205 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3207 * rtlanal.c (set_of_1): New static function.
3208 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3209 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3210 reg_set_last_last_regno): Remove.
3211 (set_of): New global function.
3212 (set_of_data): New structure.
3213 (reg_set_p, reg_set_last): Revamp for set_of.
3214 * rtl.h (set_of): New.
3216 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3218 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3219 * extend.texi: Document _Exit builtin.
3221 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3223 * (initialize, initialize_builtins,
3224 initialize_dependency_output, initialize_standard_includes):
3225 Rename s/initialize/init. Update.
3226 (init_dependency_output): Move to after
3227 cpp_handle_options, the correct location temporally at least.
3228 (opt_comp): Move next to init (), its caller. Fix prototype.
3229 (init): Make "initialized" local scope.
3230 (cpp_create_reader): Always call init ().
3231 (cpp_start_read): Update.
3232 (output_deps): New function, broken out of cpp_finish.
3233 (cpp_finish): Break out output_deps.
3235 2001-01-07 Richard Henderson <rth@redhat.com>
3237 * collect2.c (COFF specific stuff): Revert 12-06 patch
3238 to prototype system functions.
3240 2001-01-07 Michael Hayes <mhayes@redhat.com>
3242 * hard-reg-set.h: Add multiple include guard.
3243 * basic-block.h (struct loop): Add `sink' field.
3244 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3245 (emit_iv_add_mult): Delete.
3246 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3247 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3248 (unroll_loop): Remove end_insert_before argument.
3249 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3250 (maybe_eliminate_biv_1): Likewise.
3251 (emit_iv_add_mult): Delete.
3252 (gen_add_mult, loop_regs_update): New.
3253 (loop_insn_emit_after, loop_insn_emit_before): New.
3254 (loop_insn_sink, loop_insn_sink_or_swim): New.
3255 (emit_iv_add_mult): Delete.
3256 (scan_loop): Set loop->sink.
3257 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3258 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3259 (maybe_eliminate_biv_1): Likewise.
3260 (maybe_eliminate_biv_1): Add basic block argument.
3261 * unroll.c (unroll_loop): Remove end_insert_before argument.
3262 (find_splittable_regs): Likewise.
3263 (find_splittable_regs): Use loop_insn_sink and its ilk.
3264 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3266 2001-01-07 Michael Hayes <mhayes@redhat.com>
3268 * loop.h (loop_insn_hoist): New prototype.
3269 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3270 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3271 (check_dbra_loop, load_mems): Likewise.
3272 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3273 (find_splittable_givs): Likewise.
3275 2001-01-07 Michael Hayes <mhayes@redhat.com>
3277 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3279 2001-01-07 Richard Henderson <rth@redhat.com>
3281 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3283 2001-01-07 Richard Henderson <rth@redhat.com>
3285 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3286 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3287 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3288 variant that handles a shared libgcc.
3289 (process_command): Always validate -{static,shared}-libgcc.
3290 (do_spec_1): New 'M' case.
3291 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3293 2001-01-07 Richard Henderson <rth@redhat.com>
3295 * Makefile.in (slibdir): New variable.
3296 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3297 (installdirs): Create slibdir.
3298 (install-libgcc, install-multilib): Defer to libgcc.mk.
3299 * configure.in (slibdir): Substitute.
3300 * mklibgcc.in (install): New target.
3302 * config/t-linux (SHLIB_LINK): Create links for the soname.
3303 (SHLIB_INSTALL): New.
3304 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3305 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3306 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3307 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3308 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3310 2001-01-07 Richard Henderson <rth@redhat.com>
3312 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3313 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3314 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3316 2001-01-07 Michael Hayes <mhayes@redhat.com>
3318 * loop.c (count_loop_regs_set): Delete.
3319 (load_mems_and_recount_loop_regs_set): Delete.
3320 (loop_regs_scan): Merge common code from count_loop_regs_set,
3321 scan_loop, and load_mems_and_recount_loop_regs_set.
3322 (scan_loop): Call load_mems directly and loop_regs_scan
3323 again if new registers created.
3325 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3327 * toplev.c (main): Call the front-end specific post_options
3328 hook if one is given.
3329 * toplev.h (struct_lang_hooks, lang_hooks): New.
3330 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3331 for the C front end.
3332 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3333 lang_hooks for the C++ front end.
3334 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3335 lang_hooks for the ObjC front end.
3336 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3337 * java/lang.c (lang_hooks): Hooks for the Java front end.
3339 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3341 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3342 for verbose DWARF[2] debugging.
3343 (cb_define, cb_undef): The new callbacks.
3344 * toplev.h (debug_define, debug_undef): Make const correct.
3345 * toplev.c (debug_define, debug_undef): Similarly. Do not
3346 perform the verbosity tests here anymore.
3348 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3350 * reload.c (subst_reloads): Take INSN argument. When
3351 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3352 * reload.h (subst_reloads): Adjust prototype.
3353 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3354 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3355 present in JUMP_INSNs and copy them to JUMP_LABEL.
3356 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3357 JUMP_INSNs and insns with REG_LABELs that are followed by
3358 JUMP_INSNs with the same REG_LABEL.
3359 * sched-rgn.c (is_cfg_nonregular): Likewise.
3360 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3362 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3364 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3366 2001-01-06 Richard Henderson <rth@redhat.com>
3368 * loop.c (scan_loop): Use xcalloc for the regs array.
3369 (load_mems_and_recount_loop_regs_set): Zero the new memory
3370 received from xrealloc.
3372 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3374 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3376 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3378 * integrate.c (copy_rtx_and_substitute): When copying
3379 an ignored return value, strip REG_FUNCTION_VALUE_P.
3381 2001-01-06 Michael Hayes <mhayes@redhat.com>
3383 * loop.c (debug_biv, debug_giv): New.
3384 (loop_biv_dump): Break out from ...
3385 (record_biv): ... here.
3386 (loop_giv_dump): Break out from ...
3387 (record_giv): ... here.
3388 (loop_bivs_check): Use print_simple_rtl.
3389 * unroll.c (loop_iterations): Use print_simple_rtl.
3391 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3393 * pa.md (return, return_internal): Modify patterns to prevent regrename
3394 mucking with the return pointer.
3396 2001-01-05 Richard Henderson <rth@redhat.com>
3398 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3400 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3402 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3403 version supplied by Matteo Frigo.
3405 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3407 * cpp.texi: Update for -MQ.
3408 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3409 (cpp_cleanup): Always free pfile->deps.
3410 (initialize_dependency_output): Don't create pfile->deps.
3411 (cpp_handle_option): Similarly.
3413 * gcc.c (cpp_options): Handle -MQ.
3414 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3415 * mkdeps.c (base_name): Remove.
3416 (deps_init): Don't allocate vector space until it's needed.
3417 (deps_free): Only free vectors if allocated.
3418 (deps_add_target, deps_add_dep): Update for initial allocation.
3419 (deps_add_default_target): Don't strip to the base_name.
3421 2001-01-05 DJ Delorie <dj@redhat.com>
3423 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3424 (INIT_EXPANDERS): Define.
3426 * config/v850/v850.c (struct machine_function): Define.
3427 (v850_save_machine_status): New function.
3428 (v850_restore_machine_status): New function.
3429 (v850_return_addr): New function.
3430 (v850_init_expanders): New function.
3432 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3433 and v850_init_expanders.
3435 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3437 * cpplib.h (struct cpp_reader): Add help_only field.
3438 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3439 (cpp_handle_option): Set pfile->help_only if we see -h,
3440 --help, -target-help, or --version. Print version string but
3441 do not set help_only if we see -v or -version. Make text
3442 printed by -v match that printed by (-)-version.
3444 * cppmain.c (main): Exit after option parsing if
3445 pfile->help_only is true.
3447 * toplev.c (independent_decode_option): Call print_version,
3448 then exit, if we see --version (but not -version).
3449 (print_version): Split lengthy message into two lines.
3451 2001-01-05 Nick Clifton <nickc@redhat.com>
3453 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3454 temporary string for initialisation before calling ggc_alloc_string.
3456 2001-01-06 Michael Hayes <mhayes@redhat.com>
3458 * rtl.h (print_simple_rtl): New.
3459 * print-rtl.c (print_simple_rtl): New.
3461 (print_rtx): Disable printing of flags and modes, etc.,
3462 if `flag_simple` nonzero.
3464 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3466 * function.c (fixup_var_refs): Use push_to_full_sequence where
3469 2001-01-05 Michael Meissner <meissner@redhat.com>
3471 * flags.h (flag_reorder_blocks): Add declaration.
3472 (flag_rename_block): Ditto.
3474 2001-01-05 DJ Delorie <dj@redhat.com>
3476 * function.c (reorder_blocks): Make sure the flags are all reset
3477 before using them to mark blocks, else a second invocation will
3478 corrupt the block chain.
3479 (reorder_blocks_0): New, resets the flags.
3481 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3483 * cse.c (find_comparison_args): Stop if the argument is known to
3486 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3488 * config/sh/sh.md (movdf): When splitting load into pair of
3489 registers, don't clobber the register used in the address too
3492 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3494 * varasm.c (mark_constant_pool): Improve initial comments.
3495 (mark_constants): Move marking of constants to mark_constant.
3496 (mark_constant): New function to recursively mark all constants
3497 referred to by a constant.
3499 2001-01-05 Catherine Moore <clm@redhat.com>
3501 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3503 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3505 * cp/lang-options.h: Bring comment in line with reality.
3506 * f/lang-options.h: Likewise.
3507 * java/lang-options.h: Likewise.
3508 * objc/lang-options.h: Likewise.
3509 * ch/lang-options.h: Likewise.
3510 * f/g77.texi: And update the manual.
3512 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3513 Denis Chertykov <denisc@overta.ru>
3515 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3516 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3517 * config/avr/avr.md (all peepholes that request a scratch register):
3518 Call it, FAIL the peephole if not safe (in interrupt functions).
3520 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3522 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3524 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3526 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3528 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3529 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3530 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3531 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3532 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3534 * extend.texi: Document these builtins.
3536 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3538 * c-common.c (lang_get_alias_set): Say we know nothing of
3539 VECTOR_TYPE aliasing.
3541 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3543 2001-01-05 Bruce Korb <bkorb@gnu.org>
3545 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3546 their x* equivalent versions for atexit-less systems
3547 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3548 systems (or any other system any more).
3550 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3552 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3553 output operands. Use arm_hard_register_operand for operand 4.
3554 (stmsi_postinc): Similarly.
3555 (ldmsi): Use arm_hard_register_operand for opernand 2.
3557 * arm.c (arm_hard_register_operand): New function.
3558 * arm-protos.h (arm_hard_register_operand): Prototype it.
3560 * arm.h (HARD_REGNO_RENAME_OK): Define.
3562 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3564 * simplify-rtx.c (cfc_args): add "unordered" field.
3565 (check_fold_consts): Set unordered field.
3566 (simplify_relational_operation): Simplify the unordered
3569 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3572 * emit-rtl.c (try_split): Fix code to mark labels.
3573 * jump.c (mark_jump_label): Make global.
3574 * rtl.h (mark_jump_label): Declare.
3576 * predict.c (estimate_probability): Handle unordred comparisons.
3578 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3580 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3581 * cppinit.c (initialize_dependency_output): Update.
3582 (cpp_finish): Output dummy targets for -MP.
3584 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3585 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3586 * gcc.c (cpp_options): Update to handle -MP.
3587 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3588 to quote only the default target.
3589 (deps_phony_targets): Insert a preceding newline. Rename from
3590 deps_dummy_targets for consistency.
3593 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3595 * calls.c (emit_library_call_value_1): Support
3596 INIT_CUMULATIVE_LIBCALL_ARGS.
3597 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3599 2001-01-04 Richard Henderson <rth@redhat.com>
3601 * c-decl.c (finish_struct): Detect flexible array members
3602 used in an inappropriate context.
3603 * c-typeck.c (really_start_incremental_init): Special case
3604 constructor_max_index for zero length arrays.
3605 (pop_init_level): Allow initialization of flexible array
3606 members. Deprecate initialization of zero length arrays.
3607 Don't issue missing initializer warning for flexible array
3608 members or zero length arrays.
3609 (process_init_element): Don't dereference null DECL_SIZE.
3610 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3611 Don't abort for empty constructors. Use size_binop
3612 (output_constructor): Add commentary regarding zero length
3613 array futures. Abort if we try to initialize an array of
3614 unspecified length with a non-empty constructor in the middle
3617 * extend.texi (Zero Length): Update and clarify documentation
3618 on static initialization.
3620 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3622 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3623 with more than 32767 words of local storage.
3625 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3627 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3628 for 'abs', 'labs', and 'fabs'.
3629 (c4x_expand_builtin): Likewise.
3630 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3632 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3634 * config/sh/sh.md (prget, prset): New insn types.
3635 (return delay slot): Dont' allow prset.
3636 (call, sfunc delay slot): Don't allow prget.
3637 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3638 for prset and prget.
3640 2001-01-05 Michael Hayes <mhayes@redhat.com>
3642 * loop.h (struct loop_reg): New.
3643 (struct loop_regs): Change to use array of `struct loop_reg'.
3644 * loop.c: Replace assortment of varrays with single regs array.
3645 (count_one_set): Delete may_not_move array argument
3646 and use regs array instead. All caller's changed.
3647 (count_loop_regs_set): Delete may_not_move and single_usage
3648 arguments and use regs array instead. All caller's changed.
3649 (find_single_use_in_loop): Replace usage array argument with pointer
3650 to regs structure. All caller's changed.
3651 (loop_optimize): Delete `moved_once' array.
3653 2001-01-05 Michael Hayes <mhayes@redhat.com>
3655 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3656 Use it instead of loop_info->has_call for scanning loop mems.
3657 (check_dbra_loop): Replace loop_info->has_call test with
3658 loop_info->has_nonconst_call.
3660 2000-01-04 Matthew Hiller <hiller@redhat.com>
3662 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3665 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3667 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3668 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3670 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3672 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3673 (flag_short_double, flag_short_wchar): Define.
3674 (c_common_nodes_and_builtins): Create many tree nodes shared
3675 between C and C++ here instead of in cp/decl.c and ...
3676 * c-decl.c (init_decl_processing): ... here.
3677 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3678 (flag_short_double, flag_short_wchar): Don't define.
3679 (record_builtin_type): New function.
3680 (build_void_list_node): New function.
3681 * c-common.h (flag_short_double, flag_short_wchar,
3682 record_builtin_type, build_void_list_node): Declare.
3684 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3686 * integrate.c (expand_inline_function): Don't put a virtual
3687 register into the reg map.
3689 * function.c (fixup_var_refs_1): If force_operand didn't put
3690 the address into the target, move it there.
3692 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3694 Special-case tree_decl/tree_list allocations.
3695 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3696 (OBJECT_SIZE): New macro.
3697 (NUM_EXTRA_ORDER): Likewise.
3698 (extra_order_size_table): New variable.
3699 (NUM_ORDERS): New macro.
3700 (objects_per_page_table): New variable.
3701 (object_size_table): New variable.
3702 (G.pages): Use NUM_ORDERS to bound the array.
3703 (G.page_tails): Likewise.
3704 (DIV_ROUND_UP): Remove.
3705 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3706 (alloc_page): Use OBJECT_SIZE.
3707 (size_lookup): Don't make it const.
3708 (ggc_alloc): Use OBJECT_SIZE.
3709 (ggc_set_mark): Likewise.
3710 (ggc_get_size): Likewise.
3711 (init_ggc): Set up the object_size_table, objects_per_page_table,
3712 and adjust size_lookup.
3713 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3714 (ggc_pop_context): Use NUM_ORDERS.
3715 (clear_marks): Likewise.
3716 (sweep_pages): Likewise.
3717 (poison_pages): Likewise.
3718 (ggc_print_statistics): Use OBJECT_SIZE.
3720 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3722 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3723 Only call array_size_for_constructor if last field and array type
3724 with no upper bound.
3726 2001-01-04 Philip Blundell <philb@gnu.org>
3728 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3729 from bit 31 downwards, if this requires no more insns.
3730 (count_insns_for_constant): New helper function for above.
3732 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3734 * gencodes.c (output_predicate_decls): Remove empty initializer.
3736 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3738 * tree.c (copy_node): Remove documentation about obstacks.
3739 (buidl1): Check that nobody tries to build 2-argument nodes this
3742 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3744 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3747 * gencodes.c (output_predicate_decls): Fill empty initializer
3750 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3752 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3753 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3755 (do_include): Handle missing headers like cpp0.
3756 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3757 paths with first include pathname. Don't strcat to uninitialized
3760 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3762 * regrename.c (regrename_optimize): Don't rename from frame pointer
3763 if frame_pointer_needed.
3764 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3765 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3766 (ia64_reorg): Use it instead of scheduling if ! optimize.
3767 (errata_emit_nops): Properly call asm_noperands.
3768 (ia64_sched_reorder): Finish cycle if we see an asm.
3769 (ia64_variable_issue): Clear scheduling state after asms.
3771 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3773 * cpp.texi: Update for -MT.
3774 * cppinit.c (initialize_dependency_output): Add a default
3775 target if none has been given already.
3776 (no_tgt, OPT_MT): New.
3777 (cpp_handle_option): Handle -MT. Update -M etc.
3778 * cpplib.h (struct cpp_options): Remove deps_target.
3779 * gcc.c (cpp_options): Handle -MT.
3780 * mkdeps.c (struct deps): Move from mkdeps.h.
3781 (deps_calc_target): Rename deps_add_default_target. Add a
3782 default target if none has been specified already.
3783 * mkdeps.h (struct deps): Move to mkdeps.c.
3784 (deps_calc_target): Rename deps_add_default_target.
3786 2000-01-03 Richard Henderson <rth@redhat.com>
3788 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3790 * c-typeck.c (push_init_level): Move checks for flexible array
3791 members and zero length arrays ...
3792 (pop_init_level): ... here. Silently discard empty initializations.
3794 * varasm.c (output_constructor): Update for sizeof change to
3797 * extend.texi (Zero Length): Clarify semantics.
3799 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3801 * configure.in (tm.h): Include isns-codes.h last.
3802 * configure: Rebuilt.
3804 2001-01-03 Richard Henderson <rth@redhat.com>
3806 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3807 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3809 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3811 * tradcpp.c (main): Make sure finclude() is called with a valid
3812 indepth value while handling -include.
3814 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3816 * gencodes.c (output_predicate_decls): New function.
3818 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3819 even if it is not the first time machmode.h is #included.
3820 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3821 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3822 * gcc.texi (Copyright): Added 2001.
3824 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3826 * c-common.c (c_common_lang_init): New function. Warn if format
3827 warning options which only have effects when used with -Wformat
3828 are used without -Wformat.
3829 * c-common.h (c_common_lang_init): Declare.
3830 * c-lang.c (lang_init): Call c_common_lang_init.
3831 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3833 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3835 * configure.in: Check for the mktemp command.
3836 * configure: Regenerate.
3837 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3838 $TEMP. Create temporary files with mktemp, if available at
3839 configure time; otherwise use set -C. Remove temporary files
3842 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3844 * configure.in: Require at least texinfo 4.0. Check for whether
3845 Pod::Man is sufficiently recent to regenerate GCC manpages.
3846 * configure: Regenerate.
3847 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3849 (GENERATED_MANPAGES): Define.
3850 (generated-manpages): New target. Depend on cpp.1 as well as
3852 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3853 configure to generated-manpages or empty) rather than on the
3854 manpages directly. Remove execute permission from installed
3855 gcov.1 as well as cpp.1.
3856 * cpp.1, gcov.1: Regenerate.
3858 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3860 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3861 tree_low_cst. Allow using cmpstrsi in more cases.
3863 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3865 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3868 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3870 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3871 * Makefile.in (HOST_CFLAGS): Mention build-make.
3873 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3875 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3878 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3880 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3883 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3886 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3887 reg_base_value and reg_known_value arrays.
3888 (init_alias_analysis): Add more cases to detect known values.
3889 * sched-deps.c (deps_may_trap_p): New function.
3890 (sched_analyze_2): Use it.
3892 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3894 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3895 don't discard an ASHIFTRT if we're shifting in a wider mode.
3897 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3899 * toplev.c (rest_of_compilation): Don't print basic block information
3900 when CFG isn't up to date.
3902 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3904 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3905 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3906 (UNALIGNED_SHORT_ASM_OP): Define.
3907 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3909 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3911 * fold-const.c (fold_convert): Fix typo.
3913 2001-01-02 Richard Henderson <rth@redhat.com>
3915 * c-common.h (ASM_INPUT_P): New.
3916 * c-parse.in (asm): Set it when needed.
3917 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3918 existance of an operand.
3920 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3922 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3923 (dwarf2out_frame_debug_expr): Likewise.
3924 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3926 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3928 * i386.c (ix86_split_to_parts): Return number of part required;
3930 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3932 (ix86_split_long_move): Use number of part returned
3933 by ix86_split_to_parts
3934 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3936 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3937 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3938 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3939 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3940 (ALIGN_MODE_128): Add TFmode.
3941 (IS_STACK_MODE): Likewise.
3942 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3943 (HARD_REGNO_OK): Support TFmodes.
3944 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3945 * i386.md (scheduler definitions): Use memory operand to determine
3946 fst/fld instructions; use mode attribute to determine real mode of
3948 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3949 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3951 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3953 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3955 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3957 * expr.c (store_constructor_field): Update ALIGN before calling
3960 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3962 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
3965 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3967 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
3970 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3972 * c-decl.c (start_function): Don't warn on third parameter to main.
3974 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3976 * tsystem.h: Define HAVE_DECL_GETOPT.
3978 2001-01-02 Philip Blundell <pb@futuretv.com>
3980 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
3983 2001-01-02 Richard Henderson <rth@redhat.com>
3985 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
3987 2001-01-02 Andreas Jaeger <aj@suse.de>
3989 * c-decl.c (c_decode_option): Remove support of
3992 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
3993 (W_options): Add -Wmissing-noreturn here.
3995 * flow.c: Define lang_missing_noreturn_ok_p.
3996 (check_function_return_warnings): Use it.
3998 * c-common.h: Declare lang_missing_noreturn_ok_p.
4000 * c-lang.c (c_missing_noreturn_ok_p): New function.
4001 (lang_init): Set lang_missing_noreturn_ok_p.
4003 * invoke.texi (Warning Options): Document this.
4005 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4007 * extend.texi (C++ Extensions): New node for C++ attributes;
4008 describe init_priority and com_interface.
4009 * invoke.texi: Remove -finit-priority as it now has zero effect.
4010 * install.texi: Fix xref syntax.
4011 * md.texi: Likewise.
4013 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4015 * config.gcc (sparc64-wrs-vxworks*): New case.
4016 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4018 * config/sparc/sparc.c (sparc_override_options): Do support different
4019 pointer and architecture size.
4020 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4021 (POINTERS_EXTEND_UNSIGNED): Define.
4022 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4023 (FUNCTION_MODE): Define to be Pmode.
4024 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4026 * function.c (expand_function_end): Properly handle DECL_RESULT
4027 and copy when ptr_mode != Pmode.
4028 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4030 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4032 * c-common.c (c_common_nodes_and_builtins): Set prototype
4033 parameters for __builtin_fputs, __builtin_fputc and
4034 __builtin_fwrite. Don't declare plain fputc as a builtin.
4036 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4038 * loop.c (add_label_notes): Increment the label usage count when
4039 a note is added to an insn which refers to a CODE_LABEL.
4040 * gcse.c (add_label_notes): Likewise.
4042 2001-01-01 Andreas Jaeger <aj@suse.de>
4044 * loop.c (scan_loop): Use xmalloc to allocate movables.
4046 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4048 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4049 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4050 * reload1.c (REGISTER_MOVE_COST): Likewise.
4051 * regclass.c (REGISTER_MOVE_COST): Likewise.
4052 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4053 dimension. Adjust all users.
4054 (init_reg_sets_1): Iterate on all modes.
4055 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4056 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4057 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4058 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4059 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4060 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4061 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4062 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4063 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4064 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4065 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4066 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4067 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4068 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4069 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4070 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4071 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4072 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4073 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4074 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4075 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4076 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4077 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4078 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4079 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4080 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4081 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4083 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4085 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4086 arg VARIES_P. Call it with extra arg.
4087 (true_dependence): Likewise.
4088 * rtl.h (rtx_addr_can_trap_p): Declare.
4089 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4091 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4092 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4093 pic offset table register if it's zero. All callers changed.
4094 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4096 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4098 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4099 STRING_POOL_ADDRESS_P.
4101 * config/sparc/sparc.c (input_operand): Properly test for short op.
4103 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4104 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4105 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4106 * config/sparc/elf.h: No longer include sol2.h.
4107 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4108 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4110 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4112 2001-01-01 Michael Hayes <mhayes@redhat.com>
4114 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4115 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4116 (record_initial): Likewise.
4117 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4118 (remap_split_bivs): Likewise.
4120 2001-01-01 Michael Hayes <mhayes@redhat.com>
4122 * loop.c (loop_ivs_free): New function.
4123 (strength_reduce): Break out from...
4125 2001-01-01 Michael Hayes <mhayes@redhat.com>
4127 * loop.h (struct iv): New.
4128 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4129 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4130 'reg_biv_class' fields with 'regs' and 'n_regs'.
4131 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4132 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4133 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4135 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4137 * resource.c (mark_referenced_resources): Abort() before
4138 attempting to mark a pseudo register.
4139 (mark_set_resources): Likewise.
4141 2001-01-01 Michael Hayes <mhayes@redhat.com>
4143 * loop.h (REG_IV_CLASS): New accessor macro.
4144 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4145 * unroll.c (REG_IV_CLASS): Likewise.
4147 See ChangeLog.4 for earlier changes.