1 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3 * .gdbinit: Rename to gdbinit.in.
4 * gdbinit.in: New file,
5 * configure.in: Generate .gdbinit from gdbinit.in.
6 * configure: Regenerated.
7 * Makefile.in (distclean): Always remove .gdbinit.
9 2001-02-16 Jakub Jelinek <jakub@redhat.com>
11 * objc/objc-act.c (start_class): Register implemented_classes with
14 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
16 * cppfiles.c (_cpp_make_system_header): Generate a file
19 2001-02-15 Jim Meyering <meyering@lucent.com>
21 * Makefile.in (install-common): Don't depend on installdirs here.
22 Instead, make each of the lang.install-common targets (e.g.,
23 c++.install-common in cp/Make-lang.in) depend on it.
24 (install-driver): Depend on installdirs.
26 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
28 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
30 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
33 2001-02-15 Mark Mitchell <mark@codesourcery.com>
35 * invoke.texi (--param): Document.
37 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
39 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
41 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
43 * i386.md (extendsfdf2_2): Fix constraints.
45 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
47 * i386.md (fop_df_3 splitter): Fix operand number.
49 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
51 * invoke.texi (-mreg-alloc): Nuke.
52 * i386.c (ix86_reg_alloc_order, regs_allocated,
53 order_regs_for_local_alloc): Nuke.
54 (override_options): Kill reg_alloc code.
55 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
56 (REG_ALLOC_ORDER): SSE goes before I387.
57 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
58 (ix86_reg_alloc_order): Likewise.
59 * i386-protos.h (ix86_reg_alloc_order): Kill.
61 2001-02-14 Richard Henderson <rth@redhat.com>
63 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
65 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
67 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
69 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
71 * i386-protos.h (ix86_memory_move_cost): Move offline.
72 * i386.c (ix86_register_move_cost): Compute properly cost of
73 SSE, MMX and i387 instructions.
74 (*_cost): Add costs of SSE/MMX moves.
75 (ix86_memory_move_cost): Move offline from ....; Likewise.
76 * i386.h (MEMORY_MOVE_COST): .... here;
77 (struct processor costs): Add new fields to represent costs
80 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
82 * regclass.c (init_reg_sets_1): Reinstall the optimization of
83 move_cost together with Matt Kraai's fix.
85 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
87 * Makefile.in (OBJS): Add params.o.
89 2001-02-14 Richard Henderson <rth@redhat.com>
90 DJ Delorie <dj@redhat.com>
92 * jump.c (jump_optimize_1): When we delete a conditional jump
93 preceeding a non-conditional jump to effectively the same place,
94 make sure that the combined jump skips any clobber insns between
97 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
99 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
101 2001-02-14 Mark Mitchell <mark@codesourcery.com>
103 * Makefile.in (toplev.o): Depend on params.h.
104 (intergate.o): Likewise.
105 (params.o): New target.
106 * flags.h (inline_max_insns): Remove.
107 * integrate.c: Include params.h.
108 Use MAX_INLINE_INSNS instead of inline_max_insns.
109 * params.c: New file.
110 * params.h: Likewise.
111 * params.def: Likewise.
112 * toplev.c: Include params.h.
113 (lang_independent_params): New variable.
114 (decode_f_option): Use the param machinery instead of setting
116 (independent_decode_option): Handle "--param name=value".
117 (main): Register language-independent parameters.
119 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
121 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
123 2001-02-14 Richard Henderson <rth@redhat.com>
125 * regclass.c (init_reg_sets_1): Revert last two changes.
127 2001-02-14 Jakub Jelinek <jakub@redhat.com>
129 * stor-layout.c (is_pending_size, put_pending_size): New functions.
130 (variable_size): Call put_pending_size.
131 * tree.h (is_pending_size, put_pending_size): Add prototypes.
132 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
133 sizes list, put newly created SAVE_EXPR there as well.
135 2001-02-14 Jakub Jelinek <jakub@redhat.com>
137 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
138 (errata_find_address_regs): load_group has only 2 entries.
139 (errata_emit_nops): Likewise. shladd is not problematic.
140 Clear last_group if nop was emitted.
141 (fixup_errata): load_group has only 2 entries.
144 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
146 * c-lex.c (lex_number): Only warn traditionally for U suffix
147 outside system macros.
148 * cppexp.c (parse_number): Similarly.
149 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
150 * cppmacro.c (struct cpp_macro): New member node.
151 (parse_args): Only warn about missing rest args if not
153 (funlike_invocation_p): Similarly for uninvoked funlike macros.
154 (cpp_sys_objmacro_p): New.
155 (_cpp_create_definition): Store the node with the macro defn.
156 Remember if the macro is defined in a system header.
158 2001-02-13 DJ Delorie <dj@redhat.com>
160 * configure.in (check_languages): determine languages to check
161 * Makefile.in (check-c++): alias for check-g++
162 (check-f77): alias for check-g77
163 (CHECK_TARGETS): depend on configured languages
165 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
167 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
168 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
169 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
170 (sqrtextendsfdf2): Disable for SSE2.
172 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
174 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
175 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
176 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
177 (sqrtextendsfdf2): Disable for SSE2.
179 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
181 * i386.md (movsfcc_1): Support integer cmove instruction.
182 (movdfcc_1): Likewise; new splitter.
184 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
186 * i386.c (output_fp_compare): Support SSE.
187 (prepare_fp_compare_args): SSE comparisons always support memory.
188 * i386.h (TARGET_CMOVE): SSE imply cmove.
189 * i386.md (cmp?f2): Enable for SSE too.
190 (cmpfp_i*): Support SSE.
192 (cmpfp_i_sse_only): New.
193 (s*, b* fp expanters): Enable for SSE too.
194 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
197 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
199 * regclass.c (init_reg_sets_1): Silence warning.
201 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
203 * i386.md (sqrt?f2): Change to expander.
204 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
206 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
208 * rtlanal.c (find_reg_equal_equiv_note): New function.
209 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
210 (simplify_gen_relational, simplify_replace_rtx): Likewise.
211 * rtl.h: Add declarations for above functions.
213 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
215 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
217 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
218 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
219 * flow.c (mark_regs_live_at_end): Likewise.
220 (calculate_global_regs_live): Likewise.
221 * gcse.c (compute_hash_table): Likewise.
222 (compute_kill_rd): Likewise.
223 * resource.c (mark_target_live_regs): Likewise.
224 * rtl.h (INVALID_REGNUM): New macro.
226 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
228 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
230 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
232 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
235 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
237 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
239 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
240 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
241 (fop_sf_1_sse, fop_df_1_sse): New patterns
242 (fop_*): Disable float_extend and float patterns for SSE compilation.
243 * i386.c (output_387_binary_op): Support SSE.
245 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
247 * i386.md (dummy_extendsfdf2): Support SSE2
248 (extendsfdf2): Enable if 80387 or SSE2.
249 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
251 (extendsfdf2_1_sse_only): New pattern.
252 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
254 (truncdfsf2_1): Support SSE.
255 (truncdfsf2_2): Support SSE.
256 (truncdfsf2_2_1_sse): New pattern.
257 (fixtruncsfsi2): Always use SSE if available.
258 (fix_truncsfsi_sse): New pattern.
259 (fix_truncdfsi_sse): New pattern.
260 (floatsis?f2): Support SSE.
261 (floatsidf2_i387): New pattern.
262 (floatsidf2_sse): Likewise.
264 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
266 * configure.in: Use "have_gnat" variable, not "gnat".
267 * configure: Regenerated.
269 * config/sparc/sparc.c (function_value): Treat all non-record
270 aggregate types like used to treat UNION_TYPE.
272 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
274 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
275 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
277 (MASK_MIX_SSE_I387): New.
278 (TARGET_SSE): SSE2 imply SSE.
279 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
280 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
281 (enum reg_class): Add new classes.
282 (REG_CLASS_NAMES): Likewise.
283 (REG_CLASS_CONTENTS): Likewise.
284 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
285 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
286 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
287 (CLASS_MAX_NREGS): Use new macros.
288 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
289 * i386.md (pushsf, movsf): Support SSE.
290 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
291 splitters to use ANY_FP_REGNO_P.
292 (movdf_nointeger, movdf_integer): Likewise.
294 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
296 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
297 (try_combine): Use it.
299 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
301 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
302 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
303 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
304 (REGISTER_MOVE_COST): Likewise.
305 * i386-protos.h (ix86_secondary_memory_needed,
306 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
307 * i386.c (ix86_secondary_memory_needed,
308 ix86_preferred_reload_class, ix86_register_move_cost): New function.
310 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
312 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
313 (HARD_REGNO_MODE_OK): Move offline to ....
314 * i386.c (ix86_hard_regno_mode_ok) ... here;
315 refuse all incorrect modes.
316 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
318 2001-02-13 Richard Henderson <rth@redhat.com>
320 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
321 entire operator; replicate that and match_dup the operands.
322 (cmp_ccx_arith_op_set): Likewise.
323 (cmp_cc_arith_op_not_set): Likewise.
324 (cmp_ccx_arith_op_not_set): Likewise.
326 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
328 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
330 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
332 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
333 (TARGET_NO_BITFIELD_WORD): New macro.
334 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
335 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
337 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
339 * cselib.c: New file, from simplify-rtx.c.
340 * simplify-rtx.c: Remove cselib parts.
341 * Makefile.in: Add cselib.o.
343 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
345 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
346 (setup_incoming_varargs): Remove warning.
348 * config/rs6000/rs6000.c (validate_condition_mode): When
349 flag_fast_math, allow floating-point conditionals to be reversed.
350 (rs6000_generate_compare): When flag_fast_math, don't generate
351 cror operations for FP conditionals.
353 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
355 (ASM_SPEC): Likewise.
356 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
357 (CC1_SPEC): Likewise.
358 (LINK_TARGET_SPEC): Likewise.
359 (CPP_ENDIAN_SPEC): Likewise.
360 * Makefile.in (check-consistency): New target.
362 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
364 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
365 "return type defaults" warning for functions with return type
367 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
368 function declarations by default rather than only when pedantic.
370 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
372 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
375 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
377 * extend.texi (Deprecated): Deprecate new initializer lists.
379 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
381 * mkdeps.c (deps_add_default_target): Robustify. Add
382 basename component only.
383 * cpp.texi (-M): Describe how default target is generated.
384 * invoke.texi (-M): Likewise.
386 2001-02-12 Kazu Hirata <kazu@hxi.com>
388 * toplev.c (push_float_handler): Remove.
389 (pop_float_handler): Remove.
390 * toplev.h: Remove prototypes for the above functions.
392 2001-02-12 Jakub Jelinek <jakub@redhat.com>
394 * c-common.c (constant_fits_type_p): New function.
395 (convert_and_check): Use it.
397 2001-02-11 Mark Mitchell <mark@codesourcery.com>
399 * Makefile.in (GXX_ABI_FLAG): Don't define.
400 * configure.in (--enable-new-gxx-abi): Remove option.
401 * config.in: Regenerated.
402 * configure: Likewise.
404 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
406 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
408 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
409 regular basic block, and arrange for all edges into it to switch
412 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
414 * Makefile.in (distclean): Do not remove .gdbinit.
416 2001-02-11 Mark Mitchell <mark@codesourcery.com>
418 * Makefile.in (gcc.o): Fix typos.
419 (protize.o): Likewise.
420 (unprotoize.o): Likewise.
422 2001-02-11 Richard Henderson <rth@redhat.com>
424 * tree.c (build1): Check for null operand in last change.
426 2001-02-11 Richard Henderson <rth@redhat.com>
428 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
429 (fold): Don't assume a constant isn't foldable.
430 * tree.c (build): Set TREE_CONSTANT for an expression with no
431 side-effects and constant operands.
434 2001-02-10 Richard Henderson <rth@redhat.com>
436 * jump.c (squeeze_notes): Revert 2000-05-12 change.
438 2001-02-10 Anthony Green <green@redhat.com>
440 * cpp.texi (Standard Predefined): Add documentation for
443 * c-common.c (combine_strings): Improve warning message.
445 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
447 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
449 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
451 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
453 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
456 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
458 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
461 2001-02-09 Nick Clifton <nickc@redhat.com>
463 * config/arm/arm.md: Change output contraint on post inc
464 load/store multiple patterns to be a read/write contraint.
466 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
468 * gcc.c (cpp_options): Delete .d files on error. Don't delete
469 .o files when using the -M options.
471 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
472 David Edelsohn <edelsohn@gnu.org>
474 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
475 handle DImode constants. Use one TOC entry for SImode and smaller
476 constants, aligned properly.
478 2001-02-08 Jason Merrill <jason@redhat.com>
480 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
481 about the SP adjustment for saving the static chain pointer.
482 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
483 offset when setting a temporary CFA register.
485 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
487 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
488 powerpc-*-chorusos* .
489 * config/rs6000/chorus.h : New file.
490 * config/i386/chorus.h : New file.
491 * config/sparc/chorus.h : New file.
492 * config/sparc/t-chorus-elf : New file.
494 2001-02-08 David Edelsohn <edelsohn@gnu.org>
496 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
497 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
498 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
499 (__WCHAR_TYPE__): Correct macro name.
501 2001-02-08 Richard Henderson <rth@redhat.com>
503 * config/i386/i386.c (ix86_frame_pointer_required): New.
504 (ix86_setup_frame_addresses): New.
505 (struct machine_funciton): Add accesses_prev_frame.
506 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
507 ix86_frame_pointer_required.
508 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
509 (SETUP_FRAME_ADDRESSES): New.
510 * config/i386/i386-protos.h: Update.
511 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
512 from FRAME_POINTER_REQUIRED.
513 * config/i386/svr3gas.h: Likewise.
514 * config/i386/sysv3.h: Likewise.
515 * config/i386/v3gas.h: Likewise.
517 2001-02-08 Richard Henderson <rth@redhat.com>
519 * config/sparc/sparc.c (function_arg_record_value_3): Fix
520 calculation of the number of integer registers required.
521 (function_arg_record_value): Likewise.
523 2001-02-08 Jason Merrill <jason@redhat.com>
525 * diagnostic.c (internal_error): Say "confused" after 1 error, not
526 two. Print file and line with "confused" message.
528 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
530 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
532 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
534 2001-02-08 Bernd Schmidt <bernds@redhat.com>
536 * final.c (cleanup_subreg_operands): The address of a MEM can
539 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
542 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
544 * gcc.texi (Incompatibilities): Update documentation of
545 preprocessing numbers.
547 2001-02-07 Jakub Jelinek <jakub@redhat.com>
549 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
551 2001-02-07 Mark Mitchell <mark@codesourcery.com>
553 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
555 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
556 * gcc.c (struct compiler): Add cpp_spec field.
557 (input_file_compiler): New variable.
558 (do_spec_1): Allow a particular compiler to handle `%C'
560 (main): Store the current compiler in input_file_compiler.
561 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
563 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
565 * cpphash.h (struct spec_nodes): Add n_true and n_false.
566 * cppinit.c (cpp_create_reader): Initialize them.
567 (append_include_chain): cxx_aware arg might be unused.
568 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
569 keywords and give them their phase 7 meaning. Pedwarn about
570 this unless '__bool_true_false_are_defined' is defined.
572 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
574 * lcm.c (optimize_mode_switching): Emit mode_set before the
575 JUMP_INSN of an abnormal edge.
577 2001-02-07 Bernd Schmidt <bernds@redhat.com>
579 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
580 a scheduling barrier at the end.
582 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
584 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
586 * config/sh/sh.md (reload_outsf): Removed.
587 (movsf_ie): Introduce constraints for FPUL loads and stores.
588 (reload_insf): Broaden the output constraint.
590 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
592 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
593 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
595 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
597 * final.c: Revert my previous changes.
598 * output.h: Make profile_label_no extern.
599 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
600 for generating label.
602 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
604 * config/i386/djgpp.h: Add comments about standard paths.
605 (MD_EXEC_PREFIX): Undefine before defining.
606 (MD_STARTFILE_PREFIX): New.
608 2001-01-30 Bruce Korb <bkorb@gnu.org>
610 fixinc/fixincl.c(process): Emit error message only if appropriate :)
611 (load_file): do not rely on load_file_data() to close file pointer
612 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
613 fixinc/inclhack.def(irix_limits_const): add test_text
615 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
617 * cppexp.c (parse_defined): Improve diagnostics for invalid
620 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
622 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
624 2001-02-06 Mark Mitchell <mark@codesourcery.com>
626 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
627 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
628 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
629 (rs6000_output_symbol_ref): New function.
630 (output_toc): Use VTABLE_NAME_P.
632 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
634 * print-tree.c (print_node, case PARM_DECL):
635 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
637 * stor-layout.c (reference_types_internal): New variable.
638 (internal_reference_types): New function.
639 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
640 * tree.h (internal_reference_types): New declaration.
642 * cse.c (find_best_addr): Fix typo in computing cost.
644 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
646 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
647 and this is the sum of a pointer and a constant, we know the result
649 (num_sign_bit_copies, case PLUS): Likewise.
650 * explow.c (convert_memory_address): Remove opposite SUBREG.
651 * function.c (instantiate_new_reg): New function (from common code).
652 (instantiate_virtual_regs_1): Call it.
653 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
654 if pointers sign- or zero-extend.
655 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
656 If pointers extend unsigned, use inside of SUBREG.
657 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
659 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
661 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
662 subdir of gcc_gxx_include_dir.
663 (gcc_gxx_target_include_dir): Remove.
665 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
667 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
668 (dwarf2out_frame_debug_expr): Revise introductory comments to add
669 a high-level description.
671 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
673 * final.c: Move the declaration of profile_label_no to ...
674 * output.h: ... here.
675 * function.c (expand_function_start): Call PROFILE_HOOK.
676 * config/rs6000/aix.h: Define PROFILE_HOOK.
677 * config/rs6000/rs6000-protos.h: output_profile_hook new.
678 * config/rs6000/rs6000.c (output_profile_hook): Define.
679 (output_prolog): Do nothing for ABI_AIX as it is taken care by
681 tm.texi : Explain new macro PROFILE_HOOK.
683 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
685 * extend.texi (Extended Asm): Do not say that semicolon is always
686 a valid line-breaking character for GNU assemblers. Use
687 newline-tab as the most commonly supported syntax. Use
688 newline-tab rather than semicolon in multi-insn examples.
690 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
692 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
694 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
695 David Edelsohn <edelsohn@gnu.org>
697 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
698 code for AIX, even without flag_pic.
700 2001-02-05 Jakub Jelinek <jakub@redhat.com>
702 * c-typeck.c (common_type): push and pop binding level around
703 calling common_type on function parameters.
705 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
707 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
709 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
711 * config/mips/mips.c (override_options): Fix typo in last change.
712 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
713 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
715 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
717 * invoke.texi (-fdump-class-layout): Document.
718 (-fdump-translation-unit): Use `=' as filename separator.
720 2001-02-05 Mark Mitchell <mark@codesourcery.com>
722 * Makefile.in (s-mlib): Don't build multilibs if
724 (DRIVER_DEFINES): Adjust accordingly.
726 (protoize.o): Likewise.
727 (unprotoize.o): Likewise.
728 * configure.in: Recognize --enable-multilib.
730 2001-02-04 Mark Mitchell <mark@codesourcery.com>
732 * Makefile.in (DRIVER_DEFINES): Fix quoting.
734 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
735 * configure.in: Remove --enable-libstdcxx_v3 support.
736 * configure: Regenerated.
738 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
740 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
741 Call abort instead of fatal.
742 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
743 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
744 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
745 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
746 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
747 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
749 * diagnostic.h (set_internal_error_function): Renamed.
750 * toplev.h (internal_error): Renamed from fatal.
751 (pfatal_with_name): Deleted.
752 (fatal_io_error): Now has printf-style arguments.
753 * diagnostic.c (pfatal_with_name): Deleted.
754 (fatal_io_error): Rework to have args in printf-style.
755 (set_internal_error_function): Renamed from set_fatal_function.
756 (internal_error): Renamed from fatal.
757 (error_recursion, fancy_abort): Call internal_error instead of fatal.
758 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
759 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
760 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
761 * flow.c (verify_flow_info): Likewise.
762 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
763 * config/mips/mips.c (save_restore_insns): Likewise.
765 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
766 * flow.c (verify_flow_info): Likewise.
767 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
768 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
769 (avr_normalize_condition): Likewise.
770 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
771 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
772 (limit_reload_class, double_reg_to_memory): Likewise.
773 (print_operand_address, emit_1600_code_shift): Likewise.
774 (gen_tst_reg, gen_compare_reg): Likewise.
775 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
776 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
778 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
780 * c-parse.in (methoddef): Call fatal_error instead of fatal.
781 * objc/objc-act.c (build_ivar_chain): Likewise.
782 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
784 * graph.c (clean_graph_dump_file): Likewise.
785 * profile.c (init_branch_prob): Likewise.
786 * objc/objc-act.c (objc_init): Likewise.
788 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
789 * config/avr/avr.c (avr_override_options): Likewise.
790 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
791 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
792 * config/h8300/h8300.c (h8300_init_once): Likewise.
793 * config/mips/mips.c (override_options): Likewise.
794 * config/i386/i386.c (override_options): Likewise, rework.
795 * config/m68k/m68k.c (override_options): Likewise.
797 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
799 * config/mips/mips.c (print_operand): Likewise.
800 * hash.c (hash_allocate): Don't check for failure returns from
801 obstack functions that can't fail.
802 (hash_table_init_n, hash_table_init): Likewise; also now return void.
803 * hash.h (hash_table_init_n, hash_table_init): Now return void.
804 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
805 (get_object_reference): Likewise.
807 2001-02-04 Nick Clifton <nickc@redhat.com>
809 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
810 StrongARM1110, 10TDMI, and 1020T.
812 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
814 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
816 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
818 * config/sh/sh.md (movdf load split): Pass register number to
821 2001-02-04 Mark Mitchell <mark@codesourcery.com>
823 * cppinit.c (BC): New macro.
824 (builtin_array): Add __GXX_WEAK__.
825 * cpplib.h (builtin_type): Add BT_WEAK.
826 * cppmacro.c (builtin_macro): Handle BT_WEAK.
827 * defaults.h (SUPPORTS_ONE_ONLY): Define.
828 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
830 2001-02-03 Jakub Jelinek <jakub@redhat.com>
832 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
834 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
836 * cpphash.h: Rename _ALIGN POOL_ALIGN.
837 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
839 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
841 * cpphash.h: Rename ALIGN _ALIGN.
842 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
844 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
846 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
847 compilation environment.
848 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
849 control over location of cygwin includes and libs.
851 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
853 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
855 2001-02-02 lars brinkhoff <lars@nocrew.org>
857 * md.texi (Standard Names): remove reference to spur.md.
859 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
861 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
862 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
863 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
864 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
865 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
867 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
869 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
870 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
871 number before reload.
872 (c4x_adjust_cost): Return zero before reload.
873 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
876 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
878 * c4x.c (c4x_hard_regno_rename_ok): New.
879 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
880 * c4x.h (HARD_REGNO_RENAME_OK): Define.
882 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
884 * diagnostic.h: Add missing "extern" in all declarations.
886 2001-02-02 Alex Samuel <samuel@codesourcery.com>
888 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
889 as for gcc_gxx_include_dir.
891 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
893 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
895 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
897 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
898 label before alignment to be used as the braf base address.
899 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
901 (casesi_jump_2): Require at least TARGET_SH2.
903 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
904 truncation to 32-bit doubles on -m3e and -m4-single-only.
906 2001-02-02 Mark Mitchell <mark@codesourcery.com>
908 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
909 the default when building a shared object.
911 * testsuite/lib/g++.exp: Include the directory where libgcc
912 is located to the LD_LIBRARY_PATH list.
913 * invoke.texi (-shared-libgcc): Document the cases in which
914 GCC defaults to using the shared libgcc.
916 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
918 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
919 unsigned is wide enough.
921 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
922 (si_to_float): Likewise.
923 (float_to_si, float_to_usi): Use BITS_PER_SI.
925 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
927 * dwarf2out.c: Added explanation of abbreviations.
928 (def_cfa_1): Added comments listing DWARF2 instructions.
929 (cfa_temp_reg): Removed in favor of cfa_temp.
930 (cfa_temp_value): Removed in favor of cfa_temp.
931 (cfa_temp): New global variable.
932 (dwarf2out_frame_debug_expr): Added extensive introductory
933 comments explaining the function's transformations. Revised to
934 use cfa_temp. Added some rtx checking. Generalize IOR case.
935 (dwarf2out_frame_debug): Revised to use cfa_temp.
936 (output_aranges): Cast as "unsigned" to avoid warning.
937 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
938 explain which instructions must be marked.
940 2001-02-01 Richard Henderson <rth@redhat.com>
942 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
945 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
947 * config/sh/crt1.asm (main_k): Modified so that start calls
948 ___setup_argv_and_call_main.
950 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
952 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
953 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
954 and AVOID_LPASTE is cleared on meeting an unescaped newline.
955 * cppmacro.c (builtin_macro): Set builtin flags here.
956 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
957 (replace_args): Clarify intent.
958 (cpp_get_token): Macro expansion tokens get the saved flags.
960 * cppmain.c (scan_buffer): Remove now-redundant print.printed
963 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
965 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
968 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
970 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
971 returns Pmode pseudo, but we need ptr_mode.
972 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
973 Remove bogus conversions; use HOST_WIDE_INT for size.
974 Don't use TARGET if wrong mode.
976 * config/i386/i386.c (ix86_compute_frame_size): Allow
977 stack_alignment_needed to be non-default even if size is zero.
979 2001-01-31 Alan Modra <alan@linuxcare.com.au>
981 * (hppa_init_pic_save): Emit the pic offset table
982 reg save after last_parm_insn.
983 * pa.c (hppa_init_pic_save): New function.
984 * pa.h (hppa_init_pic_save): Declare.
985 * pa.md (call, call_value, sibcall, sibcall_value): Use
986 the above instead of duplicated code.
988 * pa.c (hppa_encode_label): Correct size of alloca buffer
989 so we don't overrun it. Correct leading `*' case.
990 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
992 (FUNCTION_NAME_P): Likewise.
994 2001-01-31 Richard Henderson <rth@redhat.com>
996 * config.gcc (alpha-osf5): Use float-i128.h.
998 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
999 * config/float-i32.h: Likewise.
1000 * config/float-i64.h: Likewise.
1001 * config/float-sh.h: Likewise.
1002 * config/float-sparc.h: Likewise.
1004 2001-01-31 DJ Delorie <dj@redhat.com>
1006 * expmed.c (extract_bit_field): allow non-integral modes if we
1007 want to extract a whole register from itself.
1009 2001-01-31 Jakub Jelinek <jakub@redhat.com>
1011 * c-typeck.c (set_init_index): If first is equal to last, assume as
1012 if it was not a range at all.
1014 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1016 * config/fp-bit.c: Include tm.h.
1017 (float_to_si): Don't assume SImode is 32-bits wide.
1018 (float_to_usi): Likewise.
1020 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
1022 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
1024 (typename): Call pending_xref_error after parsing typed_typespecs.
1025 * c-decl.c (lookup_tag): Give error immediately rather than
1026 leaving it pending if the tag of the wrong type is in the same
1028 (xref_tag): Don't pedwarn for forward declarations of enum types
1030 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
1033 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1035 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
1037 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1039 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
1040 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
1042 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
1044 * cpphash.h (struct cpp_reader): New saved_flags.
1045 * cppmacro.c (cpp_get_token): Use saved_flags to remember
1046 to avoid a paste after a pasted token.
1048 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
1050 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
1051 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
1052 Wtype_MIN instead of LONG_MIN.
1054 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1056 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
1058 * fixinc/fixincl.x: Regenerated.
1059 * fixinc/inclhack.def (irix_limits_const): New definition to
1060 convert "const" to "__const" in limits.h.
1062 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
1064 * fixinc/genfixes (AG): Fix "autogen4" thinko.
1066 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1068 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
1069 when register dies in the insn.
1071 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1073 * diagnostic.c (fatal): Fix word wrap.
1075 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
1077 * combine.c (try_combine): Fix SUBREG setting for
1078 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
1080 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1082 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
1085 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
1087 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
1089 * toplev.c (decode_W_option): Update warn_larger_than
1090 unconditionally for each processed switch.
1092 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
1094 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
1096 (hppa_expand_prologue): Delete code to save pic offset table register
1097 in the function prologue.
1098 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
1099 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
1100 table register at the beginning of the function after the prologue.
1102 2001-01-29 lars brinkhoff <lars@nocrew.org>
1104 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
1106 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
1107 Jeff Law <law@redhat.com>
1109 * pa.md (return): Revise comment for trivial return.
1110 (return_internal): Non-trivial return pattern for non-PIC code.
1111 (return_internal_pic): Non-trivial return pattern for PIC code.
1112 It uses the PIC register to ensure it is restored after
1114 (epilogue): Generate appropriate return for PIC and non-PIC code.
1116 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
1118 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
1120 2001-01-29 DJ Delorie <dj@redhat.com>
1122 * combine.c (if_then_else_cond): Pass the correct mode to
1123 operand_subword() for constants.
1125 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
1127 * config/i386/cygwin.h: Add w32api to include search. Search different
1128 directories in a cross-build environment.
1130 2001-11-29 Tim Josling <tej@melbpc.org.au>
1132 * tree.h (TYPE_STUB_DECL): Add documentation.
1134 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
1136 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
1137 (sdbout_field_types): Likwise. Fix use of host_integerp.
1139 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
1141 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
1144 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
1146 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
1147 to use flag_gnu_linker.
1149 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
1151 * cpplib.c (T_BAD_DIRECTIVE): Remove.
1152 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
1154 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
1156 * tree.c, tree.h (build_parse_node): Remove; was identical to
1158 * c-lang.c (start_cdtor), objc/objc-act.c
1159 (build_module_descriptor): Use build_nt instead of
1162 2001-01-29 Jakub Jelinek <jakub@redhat.com>
1164 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
1165 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
1166 not have any upper bits set.
1168 2001-01-29 Phil Edwards <pme@sources.redhat.com>
1170 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
1172 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1174 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
1176 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
1178 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
1179 (integer_minus_one_node): Define.
1181 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
1183 * Makefile.in (bootstrap2-lean): Fix typo.
1185 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
1187 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
1188 : Don't set fe_value.
1189 * cpplib.h (AVOID_LPASTE): New flag.
1190 (struct cpp_hashnode): Remove fe_value.
1191 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
1192 * cppmacro.c (builtin_macro): Don't set flags here.
1193 (replace_args): Set AVOID_LPASTE flag on first token of an
1194 argument, and the token following it.
1195 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
1196 macro expansion, and on the token following it. Do it for
1198 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
1200 2001-01-27 Richard Henderson <rth@redhat.com>
1202 * config/alpha/t-ieee: Remove multilibbing.
1203 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
1205 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1207 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
1209 * Makefile.in: Remove all dependencies on defaults.h.
1210 * builtins.c: Don't include defaults.h.
1211 * c-common.c: Likewise.
1212 * c-decl.c: Likewise.
1213 * c-pragma.c: Likewise.
1214 * c-typeck.c: Likewise.
1215 * combine.c: Likewise.
1217 * frame-ia64.c: Likewise.
1218 * cppexp.c: Likewise.
1219 * crtstuff.c: Likewise.
1220 * dbxout.c: Likewise.
1221 * dwarf2out.c: Likewise.
1222 * dwarfout.c: Likewise.
1223 * emit-rtl.c: Likewise.
1224 * except.c: Likewise.
1226 * final.c: Likewise.
1227 * frame-dwarf2.c: Likewise.
1228 * libgcc2.c: Likewise.
1229 * optabs.c: Likewise.
1230 * profile.c: Likewise.
1231 * sdbout.c: Likewise.
1232 * toplev.c: Likewise.
1233 * tradcif.y: Likewise.
1235 * varasm.c: Likewise.
1237 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1239 * builtins.c (expand_builtin_fputs): Use size_one_node when
1240 transforming into fwrite.
1242 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
1244 * extend.texi (Attribute Syntax): New section.
1246 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1248 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
1249 they didn't need fixing.
1251 2001-01-27 Janis Johnson <janis@us.ibm.com>
1253 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
1255 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
1256 to remove macro definitions that are duplicated from elfos.h.
1258 2001-01-27 Richard Henderson <rth@redhat.com>
1260 * config/i386/sco5gas.h: Move ...
1261 * config/usegas.h: ... here.
1262 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
1264 2001-01-27 Jakub Jelinek <jakub@redhat.com>
1266 * c-typeck.c (struct constructor_stack): Add range_stack member.
1267 (really_start_incremental_init): Clear it.
1268 (push_init_level): Save constructor_range_stack and clear it if
1269 pushing explicit braces.
1270 (pop_init_level): abort if constructor_range_stack is non-zero at
1271 explicit closing brace. Restore saved constructor_range_stack if
1274 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1276 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
1277 into register was forced into memory.
1279 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
1281 * Makefile.in: Remove uses of + before $(MAKE).
1283 2001-01-26 Richard Henderson <rth@redhat.com>
1285 * stmt.c (cost_table): Remove.
1286 (COST_TABLE, cost_table_initialized): New.
1287 (estimate_case_costs): Use the later instead of the former.
1288 (balance_case_nodes): Likewise.
1290 2001-01-26 Richard Henderson <rth@redhat.com>
1292 * alias.c (objects_must_conflict_p): Read-only slots may not
1293 conflict despite having the same type.
1295 2001-01-27 Michael Hayes <mhayes@redhat.com>
1297 * loop.c (loop_giv_reduce_benefit): Copy mode size into
1299 (check_ext_dependant_givs): Initialise u_start_val and
1301 (load_mems): Make last_max_reg unsigned.
1302 (try_swap_copy_prop): Use INSN_P and initialise set.
1304 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
1306 * README.AVR : Removed.
1308 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
1310 * pa-64.h (text_section): Remove declaration.
1312 * pa.md (return_internal): Remove mode on PIC register use.
1314 2001-01-25 lars brinkhoff <lars@nocrew.org>
1316 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
1317 ASM_CLOSE_PAREN): fix typos.
1319 2001-01-25 Mark Mitchell <mark@codesourcery.com>
1321 * acconfig.h: Define `const' to the empty string if neither
1322 __STDC__ nor __cplusplus is defined.
1323 * config.in: Regenerated.
1325 2001-01-25 David Edelsohn <edelsohn@gnu.org>
1327 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
1328 * collect2.c (main): Delete importf. Add ".obj" file extension.
1329 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
1330 (aix_std_libs): Add additional AIX libraries to skip.
1331 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
1332 * config/rs6000/aix51.h: New file.
1334 2001-01-25 Michael Hayes <mhayes@redhat.com>
1336 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
1337 (loop_insn_emit_before): No longer static.
1338 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
1339 (loop_givs_rescan, load_mems): Likewise.
1340 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
1341 (maybe_eliminate_biv_1):
1342 (move_movables): Replace emit_call_insn_before with
1343 loop_call_insn_hoist.
1344 * loop.h (loop_insn_emit_before): Add.
1345 * unroll.c (copy_loop_body): Replace emit_insn_before with
1346 loop_insn_emit_before.
1348 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
1350 * diagnostic.c (fatal): Request preprocessed source.
1352 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
1354 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
1355 olddecl has argument types and newdecl has none, use the argument
1358 2001-01-24 Ulrich Drepper <drepper@redhat.com>
1360 * dwarf2out.c (prefix_of): New function. Determine longest common
1361 prefix of the two arguments. The units are whole path components.
1362 (output_file_names): When adding a new directory find the one entry
1363 with the longest common prefix already in the list. Artificially
1364 generate entry if there is none for this prefix.
1365 Fix test to check whether the zeroth directory entry is used.
1367 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
1369 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
1370 Changed all callers. Take it into account when deciding if a
1371 previously loaded value matches.
1373 2001-01-24 Richard Henderson <rth@redhat.com>
1375 * reload.c (find_reloads_subreg_address): Fail the substitution
1376 if the resulting address is insufficiently aligned.
1378 2001-01-24 DJ Delorie <dj@redhat.com>
1380 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
1381 check the original operand's mode also.
1382 * simplify-rtx.c (simplify_ternary_operation): Ditto.
1384 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1386 * c-parse.in (cast_expr): Move compound literals from here ...
1387 (primary): ... to here. Use standard terminology "compound
1388 literal" instead of "constructor expression".
1390 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
1392 * gcc.1, cpp.1: Regenerate.
1394 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
1396 * calls.c (emit_library_call_value_1): Memory slot for
1397 pass-by-reference argument should have the mode of the argument,
1398 not of the pointer to it.
1400 2001-01-24 Tom Tromey <tromey@redhat.com>
1402 * gcc.texi (G++ and GCC): Mention gcj manual.
1403 (Standards): Link to section of manual mentioning gcj/Java
1406 2001-01-24 Jakub Jelinek <jakub@redhat.com>
1408 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
1409 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
1410 * tradcpp.c (main): Add -imacros or -include'd dependencies
1412 * cpp.texi (-M, -MM): Document -M -include behaviour.
1414 2001-01-24 Roger Collins <roger@ProProject.com>
1416 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
1418 2001-01-24 Will Cohen <wcohen@redhat.com>
1420 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
1421 whether registers are 32 bits or 64 bits in size.
1423 2001-01-24 Ben Elliston <bje@redhat.com>
1425 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
1427 2001-01-24 Richard Henderson <rth@redhat.com>
1429 * config/alpha/alpha.md (builtin_longjmp_internal): New.
1430 (builtin_longjmp): Use it instead of emit_indirect_jump.
1432 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
1434 * bb-reorder.c (make_reorder_chain_1): Handle case where
1435 jump edge goes to the same block as the fallthru edge.
1437 2001-01-23 Jim Wilson <wilson@redhat.com>
1439 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
1440 * frame.h (__ia64_personality_v1): Add prototype.
1441 * libgcc2.c (ia64_throw_helper): Change personality declaration to
1442 prototype form. Add void * cast to first argument to personality
1444 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
1445 (asctoe113): Likewise.
1446 * config/ia64/frame-ia64.c: Include eh-common.h.
1447 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
1449 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
1451 (itanium_split_issue): Add prototype.
1452 (gen_nop_type): Ifdef out.
1453 (find_best_packet): Initialize best_packet.
1454 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
1456 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
1457 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
1458 (flushrs): Add explicit stop bit at end.
1459 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
1462 2001-01-23 Chris Demetriou <cgd@broadcom.com>
1464 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
1466 * libgcc2.c (__terminate_func): Make variable static.
1467 (__terminate_set_func): New function to set __terminate_func.
1468 * libgcc2.h (__terminate_func_ptr): New typedef.
1469 (__terminate_set_func): New function.
1471 2001-01-23 Richard Henderson <rth@redhat.com>
1473 * flow.c (init_propagate_block_info): Don't consider unchanging
1474 memories for dead frame store elimination.
1476 2001-01-23 Richard Henderson <rth@redhat.com>
1478 * varasm.c (UNIQUE_SECTION): Move default implementation ...
1479 * defaults.h: ... here.
1481 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1483 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
1485 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
1487 * c-lex.c (lex_charconst): Fix typo: s/p/str.
1489 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1491 * rs6000.h (rs6000_return_addr): Move prototype from here...
1492 * rs6000-protos.h (rs6000_return_addr): ...to here.
1493 (rs6000_init_expanders): Delete prototype.
1495 2001-01-23 Nick Clifton <nickc@redhat.com>
1497 * invoke.texi: Replace , with \, inside @gccoptlist macros.
1498 (Spec Files): Document %B and %j and %. and %v3 and %M and
1499 %{S*&T} spec switches.
1501 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1503 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
1505 2001-01-23 Chris Demetriou <cgd@sibyte.com>
1506 Neil Booth <neil@daikokuya.demon.co.uk>
1508 * cpperror.c: Merge handlers of PEDWARN and WARNING.
1509 Have -Werror make pedantic warnings errors, like the
1512 2001-01-23 Phil Edwards <pme@sources.redhat.com>
1514 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
1516 2001-01-23 Jakub Jelinek <jakub@redhat.com>
1518 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
1519 * integrate.c (expand_inline_function): Initialize them.
1520 (subst_constants): If changing COMPARE so that both its arguments
1521 will be VOIDmode and the comparison mode will be lost, note
1522 compare_mode. Use the recorded compare_mode to optimize
1525 2001-01-23 Jason Merrill <jason@redhat.com>
1527 * dwarf2out.c (new_die): Use xcalloc.
1528 (output_die): Abort rather than emit a local reference to offset 0.
1530 2001-01-17 Andrew Haley <aph@redhat.com>
1532 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
1533 of a saved register; return NULL instead.
1534 (copy_reg): Take a pointer to a source register rather than a
1536 (next_stack_level): Remember the address in the stack frame of all
1538 Use the saved register pointer array as the source of the CFA.
1539 (throw_helper): Rewrite. Unwind once rather than twice and keep
1540 track of saved registers as we go.
1542 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1544 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
1545 * c4x.c (c4x_legitimize_reload_address): Remove.
1546 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
1547 reload address for ldp(k) insn.
1549 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
1551 * pa.md (return_internal): Add a USE of the PIC register to ensure
1552 it is restored after each call.
1553 (return expander): Corresponding changes.
1555 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1557 * rs6000.h (INIT_EXPANDERS): Delete.
1558 (RETURN_ADDR_RTX): Call rs6000_return_addr().
1559 * rs6000.c (rs6000_override_options): Call *_machine_status from
1561 (rs6000_init_expanders): ...instead of here. Delete.
1562 (rs6000_mark_machine_status): New function.
1563 (rs6000_init_machine_status): Use xcalloc.
1564 (rs6000_return_addr): Generate RTX for the return address.
1565 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
1566 (rs6000_stack_info): Use it.
1568 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
1570 * gthr-win32.h: Include errno.h to get a declaration for
1571 EINVAL and _mingw.h if the target is mingw32.
1573 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
1575 * cpp.texi: Correct typos.
1577 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1579 * explow.c (probe_stack_range): Ensure value passed to
1580 stack_check_libfunc is ptr_mode, not Pmode.
1582 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
1584 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
1585 case, don't use operand_subword to calculate a SUBREG that is
1588 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
1590 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1592 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
1593 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
1594 valid. If not replace it by equivalent insns.
1596 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1598 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
1599 contains SYMBOL_REF, LABEL_REF and CONST_INT.
1600 (c4x_U_constraint, symbolic_address_operand): Likewise.
1601 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
1603 (c4x_r11_set_p, c4x_check_laj_p): New functions.
1604 * c4x-protos.h (c4x_check_laj_p): Add prototype.
1605 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
1606 anulling slot because of silicon bug.
1607 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
1609 2001-01-22 Alan Modra <alan@linuxcare.com.au>
1611 * cppexp.c (parse_charconst): Change `mask' type to agree
1614 2001-01-21 Richard Henderson <rth@redhat.com>
1616 * config/i386/i386.c (ix86_asm_file_end): Disable putting
1617 pic_label_name in a linkonce section.
1619 2001-01-17 Philipp Thomas <pthomas@suse.de>
1621 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
1623 * configure: Regenerate.
1625 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
1627 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
1628 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
1630 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
1632 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
1633 If REVERSE nonzero then condition code in X must be reversed.
1634 (encode_section_info): Optimise if/else.
1635 (avr_function_value): Fix formatting.
1637 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
1638 (difficult_branch): Likewise.
1639 (rvbranch): Likewise.
1640 (difficult_rvbranch): Likewise.
1642 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
1644 * config/avr/libgcc.S: Fix comment.
1646 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1648 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
1650 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1652 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
1654 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
1656 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
1657 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
1658 * configure, config.in: Regenerate.
1659 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
1660 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
1661 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
1662 (doprint.o): New rule.
1664 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
1666 * c-typeck.c (digest_init): Handle boolean types as scalars.
1668 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1670 * stmt.c (expand_return): Don't return anything if size is zero.
1671 Delete redundant assignment to BYTES.
1672 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
1674 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
1676 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
1677 the same as the default library function names.
1678 * config/avr/avr.md: Document special characters after '%'.
1679 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
1680 knowing which of the call-used registers are really clobbered.
1681 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
1682 New. Both quotient and remainder from one libgcc.S call.
1683 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
1684 clobber as few registers as possible.
1685 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
1687 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
1689 * cppmacro.c (funlike_invocation_p): Don't move back up to the
1690 context of the top of the stack.
1692 2001-01-20 Jakub Jelinek <jakub@redhat.com>
1694 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
1695 (fixup_var_refs_insns): ...here.
1697 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
1699 * function.c (fixup_var_refs_insns): Break up into
1700 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
1701 [loop over entire insn list], and fixup_var_refs_insns_with_hash
1702 [loop over hash table entries].
1703 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
1704 fixup_var_refs_insns_with_hash, to match above changes.
1706 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
1708 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
1709 (libgcc.a): Likewise.
1710 (stmp-multilib): Likewise.
1711 (STAGE2_FLAGS_TO_PASS): Likewise.
1713 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
1715 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
1716 temporary if no_new_pseudos.
1718 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
1720 * cppinternals.texi: Update.
1722 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
1724 * arm.c (arm_init_builtins): Re-enable builtins.
1726 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1728 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
1729 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
1730 element to be null, and always expect an EXPR_LIST.
1731 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
1732 * sched-deps.c (sched_analyze_1): Likewise.
1733 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1735 * regclass.c (max_set_parallel): New variable.
1736 (reg_scan): Take it into account in computation of max_parallel.
1737 (reg_scan_mark_refs, case SET): Compute it.
1739 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
1741 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
1742 * function.c (assign_parms): Use INTVAL for a CONST_INT.
1744 2001-01-19 Jason Merrill <jason@redhat.com>
1746 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
1747 for the abstract instance of an inline function.
1749 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
1750 J"orn Rennecke <amylaar@redhat.com>
1752 * reload1.c (move2add_note_store): Treat all registers directly or
1753 indirectly derived from a base register as members of the same set
1755 (reload_cse_move2add): Adjust accordingly. Take mode and offset
1756 of base register into account.
1758 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
1760 * alias.c (find_base_value): Recognize TRUNCATE.
1761 (record_set): In PLUS case, invalidate if other summand is also a
1764 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1766 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
1767 entry to be EXPR_LIST.
1768 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
1769 be an EXPR_LIST (but not null, which other code doesn't allow).
1770 (note_stores): Properly handle PARALLEL in SET.
1771 Recursively call for top-level PARALLEL.
1772 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
1773 * sched-rgn.c (check_live_1, update_live_1): Likewise.
1775 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
1777 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
1779 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
1780 not pfile->skipping (== 0).
1782 2001-01-17 Nick Clifton <nickc@redhat.com>
1784 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
1787 2001-01-17 Jim Wilson <wilson@redhat.com>
1789 * invoke.texi (IA-64 options): Improve.
1791 2001-01-17 Tom Tromey <tromey@redhat.com>
1793 * invoke.texi (Optimize Options): Use `{}' to around @samp
1796 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
1798 * invoke.texi (-fno-guess-branch-probability): New option.
1800 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1802 * combine.c (try_combine): Don't set i3_subst_into_i2 for
1803 case of making new double-word constant.
1804 Revert last change: instead just test i3_subst_into_i2.
1806 2001-01-17 Jakub Jelinek <jakub@redhat.com>
1808 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
1809 Use q constraints instead of r.
1811 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
1813 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
1814 (machine_function): Define.
1815 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
1816 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
1817 pa_free_machine_status): New functions.
1818 (override_options): Set {init,mark,free}_machine_status to above.
1819 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1820 PIC_OFFSET_TABLE_REGNUM_SAVED.
1821 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
1822 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
1823 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
1824 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
1825 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
1827 2001-01-15 DJ Delorie <dj@redhat.com>
1829 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
1833 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1835 * flow.c (propagate_on_insn): Make trying to delete a prologue
1836 or epilogue insn an ICE, not a warning. Allow doing this if
1837 the current function returns with stack pointer depressed.
1839 * combine.c (try_combine): If i3_subst_into_i2, properly check for
1840 I3 having more than one SET.
1842 2001-01-16 Jim Wilson <wilson@redhat.com>
1844 * invoke.texi: Document IA-64 options.
1846 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
1847 (fixup_errata): Delete TARGET_A_STEP use.
1848 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
1849 (TARGET_SWITCHES): Delete -ma-step option.
1850 * config/ia64/ia64.md (all FP patterns): Delete %B0.
1851 (movqicc_astep, movqi_internal_astep, movhicc_astep,
1852 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
1853 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
1854 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
1855 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
1857 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
1858 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
1859 cmovsi_internal): Delete ! TARGET_A_STEP check.
1861 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1863 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
1864 possibility to report bugs via postal mail. Change a URL and
1865 merge in a nearly duplicate statement...
1866 (Bug Reporting): ...from here.
1867 (Service): Refer to the Bug Reporting section instead of
1869 (Contributing): Remove trivial explanations concerning snapshots.
1871 2001-01-16 Alan Modra <alan@linuxcare.com.au>
1873 * cppmain.c (general_init): Don't use ANSI prototype.
1875 2001-01-16 Tom Tromey <tromey@redhat.com>
1877 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
1879 2001-01-16 Richard Henderson <rth@redhat.com>
1881 * config/i386/i386.h: Fix comment typo.
1882 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
1883 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
1885 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1887 * gcc.c: Revert previous -fsyntax-only-related change; move
1890 2001-01-16 Jakub Jelinek <jakub@redhat.com>
1892 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
1893 inmode after checking GET_CODE (op).
1895 2001-01-16 Richard Henderson <rth@redhat.com>
1897 * flow.c (struct propagate_block_info): Add mem_set_list_len.
1898 (MAX_MEM_SET_LIST_LEN): New.
1899 (propagate_one_insn): Update mem_set_list_len.
1900 (invalidate_mems_from_autoinc): Likewise.
1901 (invalidate_mems_from_set): Likewise.
1902 (mark_used_regs): Likewise.
1903 (init_propagate_block_info): Likewise. Stop collecting memories
1904 when we reach MAX_MEM_SET_LIST_LEN.
1905 (mark_set_1): Likewise.
1907 2001-01-16 Richard Henderson <rth@redhat.com>
1909 * unroll.c (precondition_loop_p): Fail if no iteration
1912 2001-01-16 Phil Edwards <pme@sources.redhat.com>
1914 * gcc.c: When -fsyntax-only is given, do not complain about
1917 2001-01-15 Richard Henderson <rth@redhat.com>
1919 * config/i386/i386.c (asm_output_function_prefix): Remove.
1920 (ix86_asm_file_end): New.
1921 (load_pic_register): Generate pic_label_name into a
1922 staticly allocated buffer.
1923 * config/i386/i386-protos.h: Update.
1924 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
1925 (ASM_FILE_END): New.
1926 * config/i386/i386afe.h: New file.
1927 * config.gcc (i?86-*-elf) [tm_file]: Use it.
1928 (i?86-*-{freebsd,linux*,moss*}): Likewise.
1929 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
1930 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
1931 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
1932 * config/i386/sco5.h (ASM_FILE_END): Likewise.
1933 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
1935 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
1937 * Makefile.in (install-man): Remove explicit dependency on
1940 * configure.in, configure: Revert previous patch requiring perl
1943 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
1945 * toplev.c (flag_guess_branch_prob): New.
1946 (f_options): Add guess-branch-probability option.
1947 (rest_of_decl_compilation): Only estimate branch probability if
1949 (main): set flag_guess_branch_prob.
1951 * flags.h (flag_guess_branch_prob): New.
1953 2001-01-15 DJ Delorie <dj@redhat.com>
1955 * gcc.texi (Makefile): Add documentation for Makefile targets.
1957 2001-01-15 Philip Blundell <philb@gnu.org>
1959 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
1961 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
1962 (is_pic): Delete declaration.
1963 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
1964 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
1965 * config/arm/arm.md (builtin_setjmp_receiver): New.
1967 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1969 * arm.c (use_return_insn): Don't try to determine the function type
1970 until after reload has completed.
1971 (arm_output_epilogue): Don't adjust the sp value recovered from the
1973 (emit_multi_reg_push): Don't record dwarf information for the pc.
1974 * arm.md (eh_epilogue): The function type may have changed, so it
1975 needs to be recalculated.
1976 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
1977 unwind tables on arm/netbsd.
1979 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1981 * arm.md (cbranchsi4): Correct calculation of branch ranges.
1982 (negated_cbranchsi4): Likewise.
1984 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
1986 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
1987 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1988 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
1989 pass -mapcs-* options to assembler.
1990 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
1991 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
1992 (ASM_SPEC): Call subtarget_extra_asm_spec.
1994 2001-01-15 Andreas Jaeger <aj@suse.de>
1996 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
1998 (ix86_expand_builtin): Likewise.
2000 * gencodes.c (output_predicate_decls): Make i size_t to avoid
2001 warning about comparison between signed and unsigned.
2003 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2005 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
2007 2001-01-14 Ralf Baechle <ralf@gnu.org>
2009 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
2010 SUBTARGET_CPP_SPEC apropriatly.
2012 2001-01-12 Mark Mitchell <mark@codesourcery.com>
2014 * varasm.c (make_decl_rtl): Fix typo in last change.
2016 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
2018 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
2019 linker supports the init_priority C++ attribute.
2020 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
2021 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
2022 linker does not support init_priority C++ attribute.
2024 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
2026 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
2028 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2030 * c-parse.in (finish_parse): Add comment about cpp_destroy.
2031 * cp/lex.c (finish_parse): Similarly.
2032 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
2033 Return the number of errors encountered.
2034 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
2035 * cppmain.c (main): Don't call cpp_destroy.
2037 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
2039 * configure.in: Require at least perl 5.6.0 to regenerate
2041 * configure: Regenerate.
2043 2001-01-14 Richard Henderson <rth@redhat.com>
2045 * genrecog.c (DT_veclen_ge): New.
2046 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
2047 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
2048 (nodes_identical_1): Handle DT_veclen_ge.
2049 (write_cond, debug_decision_2): Likewise.
2051 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2053 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
2055 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
2057 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
2059 * cppmain.c (do_preprocessing): New function; most of the old
2061 (main): Call it to do most of the work.
2062 (cb): Move from global scope to set_callbacks ().
2063 (setup_callbacks): Get the callback pointer.
2064 (general_init, printer_init): Clean up code and comments.
2066 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
2068 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
2071 2001-01-14 Kazu Hirata <kazu@hxi.com>
2073 * config/h8300/h8300.c (get_shift_alg): Update comments.
2075 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2077 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
2078 (alloc_page, ggc_alloc): Add casts to remove warnings.
2080 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
2082 * combine.c (simplify_comparison): Don't change `code' when
2083 can't reverse comparison.
2085 2001-01-14 Richard Henderson <rth@redhat.com>
2087 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
2088 update all call sites. Return true for all non-label constants.
2090 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
2092 * i386.c (ix86_expand_compare): Add bypass_test and second_test
2094 (ix86_expand_branch): Update.
2095 (ix86_expand_setcc): Update to handle multiple test conditions.
2096 (expand_int_movcc): Likewise.
2097 (expand_fp_movcc): Likewise.
2098 * i386-protos.h (ix86_expand_compare): New.
2099 * i386.md (andqi_?_slp, orqi_?_slp): New.
2100 (conditional trap expander): Update call to ix86_expand_compare.
2102 2001-01-14 Richard Henderson <rth@redhat.com>
2104 * config/vax/vax.md: Use nonimmediate_operand instead of
2105 general_operand in destinations.
2107 * config/vax/vax.md (indirect_jump): Use register_operand.
2109 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
2110 * config/vax/vax.md (call_pop): Turn into an expander.
2111 (call_value_pop): Likewise.
2112 (call, call_value): New.
2114 2001-01-14 Andreas Jaeger <aj@suse.de>
2116 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
2118 (ix86_fp_compare_mode): Add unused attribute.
2119 (ix86_expand_fp_movcc): Remove unused variable.
2120 (ix86_expand_builtin): Make fcode unsigned.
2122 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
2123 (expand_expr): Add cast to avoid signed warning.
2124 (store_field): Likewise.
2125 (store_constructor_field): Likewise.
2126 (store_constructor): Likewise.
2127 (store_expr): Likewise.
2128 (clear_storage): Likewise.
2129 (emit_group_store): Likewise.
2130 (emit_group_load): Likewise.
2132 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2134 * c-common.c: Move format checking code to ...
2135 * c-format.c: ... here. New file. Reorder some functions and
2137 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
2139 * c-common.h (decl_handle_format_attribute,
2140 decl_handle_format_arg_attribute): Declare.
2141 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
2142 (c-common.o): Adjust dependencies.
2143 (c-format.o): New list of dependencies.
2145 2001-01-13 Jakub Jelinek <jakub@redhat.com>
2147 * unroll.c (loop_iterations): If we cannot prove iteration variable
2148 is set once in each iteration, punt.
2150 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
2152 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
2153 (*strlenhi): Remove clobber (which was buggy) of output address.
2155 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2157 * Makefile.in (generated-manpages): Add gcc.1
2158 ($(srcdir)/gcc.1): New target.
2159 (maintainer-clean): Delete $(srcdir)/gcc.1.
2160 * gcc.texi: Add macros @gccoptlist and @gol.
2161 * invoke.texi: Include option summary in manpage. Mark up option
2162 summary with @gccoptlist and @gol. Use @r in one place where
2164 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
2165 * gcc.1: Generate from invoke.texi.
2167 2001-01-13 Richard Henderson <rth@redhat.com>
2169 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
2170 (struct page_entry): Add group member.
2171 (struct page_group): New.
2172 (struct globals): Add page_groups member.
2173 (alloc_anon): Only define for using mmap; remove valloc call.
2174 (page_group_index): New.
2175 (set_page_group_in_use): New.
2176 (clear_page_group_in_use): New.
2177 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
2178 (free_page, release_pages): Likewise.
2179 * configure.in (with-gc): Default to ggc-page always.
2181 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2183 * reload1.c (replace_pseudos_in_call_usage): Use
2184 reg_equiv_constant and reg_equiv_address, and don't try
2185 regno_reg_rtx first.
2187 2001-01-13 Richard Henderson <rth@redhat.com>
2189 * ggc-page.c (alloc_page): Round up allocation size to one page.
2190 Set e->order on extra pages.
2192 2001-01-13 Richard Henderson <rth@redhat.com>
2194 * genrecog.c (nodes_identical): Expand commentary.
2195 (write_switch): Watch out for identical nodes.
2197 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2199 * cppfiles.c (_cpp_fake_include): New function.
2200 * cpphash.h (_cpp_fake_include): New.
2201 * cpplib.c (do_line): Call _cpp_fake_include when entering
2202 header files in preprocessed input.
2203 * cppmain.c (cb_pragma_implementation): Remove handling.
2204 (setup_callbacks): Don't register pragmas.
2206 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2208 * extend.texi: Udate for CPP.
2210 2001-01-13 Andreas Jaeger <aj@suse.de>
2212 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
2214 * regmove.c: Add prototype for replace_in_call_usage.
2216 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2218 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
2219 struct cpp_chunk, struct htab, struct toklist,
2220 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
2221 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
2222 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
2223 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
2224 (struct macro_args): Delete.
2225 * cpphash.h: See above.
2227 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2229 * cppmain.c (struct printer): Remove no_line_dirs.
2231 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
2232 : Use options rather than CPP_OPTION.
2233 (setup_callbacks): Use cb rather than pfile->cb.
2234 (main): No need to check for a buffer. Use cpp_errors.
2235 (printer_init): Don't set no_line_dirs.
2236 (maybe_print_line): Use options not no_line_dirs.
2237 (cb_file_change): Don't call print_line if -P.
2239 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2241 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
2243 * c-parse.in (finish_parse): Use cpp_errors.
2244 (__yylex): Use return value of cpp_pop_buffer.
2245 * cp/lex.c (finish_parse): Use cpp_errors.
2246 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
2248 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
2250 * README.AVR: URLs corrected.
2252 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2254 * c-decl.c (start_function): Don't warn if old prototype is builtin
2255 that's not in C's namespace.
2256 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
2257 (_bb): Add prototype for ctime.
2258 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
2260 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
2262 * i386.c (ix86_fp_comparison_arithmetics_cost,
2263 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
2264 ix86_fp_comparison_cost): New functions.
2265 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
2266 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
2267 two-branch sequences; make static.
2268 (ix86_use_fcomi_compare): Do decision according to the costs.
2269 (split_fp_branch): New.
2270 * i386.md (compare-and-branch patterns): Use split_fp_branch.
2271 * i386-protos.h (ix86_expand_fp_compare): Remove
2272 (ix86_split_fp_branch): Declare.
2274 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
2275 and ix86_comparison_operator.
2277 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
2280 * i386.c (put_condition_code): Output properly the unordered/ordered
2281 compares in fp case.
2282 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
2284 * tm.texi (REVERSE_CONDITION): Document.
2285 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
2286 in -ffast-math mode.
2287 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
2289 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
2291 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
2293 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
2296 * config/sh/sh.c (mova_p): Fix test for mova_const.
2298 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2300 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
2301 cpp_get_options rather than dereferencing pfile and using
2303 * scan-decls.c (scan_decls): Use return value of
2304 cpp_pop_buffer rather than CPP_BUFFER.
2306 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
2308 * cppinit.c (cpp_handle_option): help_only is now part of the
2309 cpp_options structure.
2310 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
2311 cpp_set_callbacks): New functions.
2312 * cpplib.h (cpp_callbacks): Break out as a named structure.
2313 (cpp_options): Move help_only here from cpp_reader.
2314 (CPP_FATAL_ERRORS): Update to use cpp_errors.
2315 (cpp_errors, cpp_get_options, cpp_get_callbacks,
2316 cpp_set_callbacks): New prototypes.
2317 * cppmain.c (main): Update for help_only.
2319 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
2321 * Makefile.in (info, maintainer-clean, install-info, uninstall):
2322 Also build and remove and install and uninstall c-tree.info and
2324 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
2325 ($(srcdir)/cppinternals.info): New target.
2326 * c-tree.texi: Change file name used when makeinfo used without -o
2327 from ir.info to c-tree.info. Add info directory entry.
2328 * cppinternals.texi: Add info directory entry.
2329 * .cvsignore: Update.
2331 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2333 * c-typeck.c (store_init_value): Don't require constant initializer
2334 elements with -pedantic -std=c99.
2335 (digest_init): Change error about non-constant initializer elements
2337 (constructor_range_end): Remove.
2338 (constructor_incremental, designator_depth,
2339 designator_errorneous): New variables.
2340 (struct constructor_stack): Remove range_end, add incremental.
2341 (struct constructor_range_stack, constructor_range_stack): New.
2342 (struct initializer_stack): Add constructor_range_stack.
2343 (finish_init): Set it.
2344 (start_init): Likewise. require_constant_elements for non-static
2345 trees only if not flag_isoc99.
2346 (really_start_incremental_init): Remove constructor_range_end, add
2347 constructor_incremental.
2348 (pop_init_level): Likewise.
2349 (push_init_level): Likewise. If implicit and the subobject had some
2350 value set already, preinitialize the level with it.
2351 Warn about missing braces only if not pushing due to designators.
2352 (set_designator, push_range_stack): New functions.
2353 (set_init_label): Use them.
2354 (set_init_index): Likewise. Remove constructor_range_end.
2355 Error if designator index is outside of array bounds.
2356 (add_pending_init): Compare values of purpose index trees, not the
2357 trees themselves. Allow overwriting of already initialized element.
2358 Issue a warning if it had side-effects.
2359 (set_nonincremental_init, set_nonincremental_init_from_string): New
2361 (pending_init_member): Rename to...
2362 (find_init_member): ...this function. Call set_nonincremental_init
2363 if necessary. Compare values of purpose index trees, not the trees
2364 themselves. Return the actual value, not just non-zero if something
2366 (output_init_element): Remove checks for duplicates.
2367 If field has zero size, only check the initializer for correctness.
2368 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
2369 if constructor_incremental is zero. Change error about initializers
2370 not computable at load time into pedwarn.
2371 (output_pending_init_elements): Compare bit positions, not
2372 FIELD_DECLs to take into account zero-sized fields.
2373 (process_init_element): Use constructor_range_stack to fill all
2374 ranges in the designator lists from current level up.
2375 * extend.texi: Update documentation for labeled elements.
2377 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
2379 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
2380 to function usage for arguments passed by reference. Optimize
2381 callee-copied arguments.
2382 * regmove.c (replace_in_call_usage): New function.
2383 (fixup_match_1): Call it.
2384 * cse.c (cse_insn): Canonicalize registers in function usage.
2385 * reload1.c (replace_pseudos_in_call_usage): New function.
2388 * Makefile.in: Reverted yesterday's wrong patch. Installed the
2391 2001-01-12 Jakub Jelinek <jakub@redhat.com>
2393 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
2396 2001-01-12 DJ Delorie <dj@redhat.com>
2398 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
2399 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
2402 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2404 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
2405 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
2406 -std options alongside references to -ansi. Update some
2407 documentation for C99.
2408 * cpp.1: Regenerate.
2410 2001-01-12 Andreas Jaeger <aj@suse.de>
2412 * haifa-sched.c (restore_line_notes): Remove argument block B
2414 * sched-ebb.c (schedule_ebb): Change caller.
2415 * sched-rgn.c (schedule_region): Likewise.
2416 * sched-int.h (restore_line_notes): Adjust prototype.
2418 * loop.h: Remove wrong declaration of doloop_condition_get.
2420 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2422 * extend.texi: Move C++-extension-related node from the C section
2423 into the C++ section.
2425 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
2427 * extend.texi: Refer to an array of pointers to functions instead
2428 of one of functions.
2430 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
2431 Jan Hubicka <jh@suse.cz>
2433 * combine.c (reversed_comparison): Fix typo in last patch.
2435 (combine_reversed_comparison_code): Make static to follow
2436 prototype declaration.
2438 2001-01-12 Phil Edwards <pme@sources.redhat.com>
2440 * install.texi: Remove misplaced duplicate entry.
2442 2001-01-11 Ulrich Drepper <drepper@redhat.com>
2444 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
2446 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
2448 * final.c: (leaf_function_p): Fix typo.
2450 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
2452 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
2453 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
2455 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
2456 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
2457 mmap_anon, and valloc is available.
2458 * ggc-page.c: Restructure ifdef logic to match new autoconf
2459 spec. Don't throw away the test page in init_ggc.
2461 * configure, config.in: Regenerate.
2463 2001-01-12 Michael Hayes <mhayes@redhat.com>
2465 * loop.h (total_biv_increment): Constify iv_class pointer.
2466 (struct induction): Replace `mem_mode' with `mem' rtx.
2467 * unroll.c (total_biv_increment): Constify iv_class pointer.
2468 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
2469 (find_mem_givs, combine_givs_p): Likewise.
2470 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
2472 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
2474 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
2476 (__gthread_getspecific): Ditto.
2478 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
2480 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
2481 put_condition_code): Convert fp comparison codes to integer
2483 (ix86_expand_fp_compare): Postnote the fp comparison code converison
2486 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
2487 * i386-protos.h (no_comparison_operator): Kill.
2489 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
2491 * combine.c (REVERSIBLE_CC_MODE): Remove.
2492 (reversible_comparison_p): Remove.
2493 (combine_reversed_comparison_code): New.
2494 (reversed_comparison): New.
2495 (combine_simplify_rtx): Use
2496 combine_reversed_comparison_code/reversed_comparison instead
2497 of reversible_comparison_p.
2498 (simplify_if_then_else): Likewise.
2499 (simplify_set): Likewise.
2500 (simplify_logical): Likewise.
2501 (if_then_else_cond): Likewise.
2502 (known_cond): Likewise.
2503 (simplify_comparison): Likewise.
2505 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
2507 * builtins.c (std_expand_builtin_va_start): Handle varargs when
2508 sizeof (int) is larger than sizeof(__word__).
2510 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2512 * cppinit.c (do_includes): Fix typo.
2514 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2516 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
2517 in S_REGS does not occur because not all sources are possible
2518 when a S_REGS is a destination (sometimes needs a clobber).
2519 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
2520 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
2521 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
2522 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
2523 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
2524 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
2525 (lshrdi_const1, lshrsi3_const16): Likewise.
2526 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
2527 (*movhi_68hc12, *movqi_68hc12): Likewise.
2528 (movstrictqi): Make sure reloading in D_REGS as a destination
2531 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2533 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
2535 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2537 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
2538 -D, -U and -A, and don't initialize the builtins.
2539 (do_includes): Error if -include or -imacros with -fpreprocessed.
2540 * cppmain.c (cb_define, cb_undef): Unconditionally process
2542 * tradcpp.c (main): Fix typo.
2544 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
2546 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
2547 (read_name_map): Use IS_ABSOLUTE_PATH.
2548 * tradcpp.c (get_filename): Likewise.
2550 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2552 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
2553 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
2554 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
2555 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
2556 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
2557 (cmphi_z_used): Don't use '@' for the output.
2558 (tstqi_z_used): Likewise.
2559 (cmpqi_z_used): Likewise.
2560 (one_cmplsi2): Likewise.
2562 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2564 * config/sh/sh.c (barrier_align): Recognize branch around far
2565 branch and redundant insn.
2567 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
2569 * invoke.texi: Restore documentation of the drivers' switches -MD
2572 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
2574 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
2576 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
2577 check-objc//%): Support parallel testing of multilibs.
2578 (TESTSUITEDIR): Set to testsuite by default, but override for
2580 (check-gcc, check-g++, check-g77, check-objc): Enter
2583 2001-01-11 Bernd Schmidt <bernds@redhat.com>
2585 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
2586 * sched-deps.c (deps_may_trap_p): Likewise.
2587 * basic-block.h: Remove a comment.
2588 * flow.c (PROP_POSTRELOAD): Remove.
2589 (update_life_info): Don't add it to prop_flags.
2590 (mark_set_1): Lose the code that was enabled by it.
2592 2001-01-11 Michael Hayes <mhayes@redhat.com>
2594 * flow.c (flow_call_edges_add): New.
2595 * basic_block.h (flow_call_edges_add): New.
2597 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
2599 * reload1.c (move2add_note_store): Update reg_set_luid even if
2600 base reg remains the same.
2602 2001-01-10 Nick Clifton <nickc@redhat.com>
2604 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
2605 machine_function structure to zero.
2606 Add prototypes for machine_status functions.
2608 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2610 * c-common.h (CTI_VOID_LIST): Remove.
2611 (void_list_node): Likewise.
2612 * tree.h (TI_VOID_LIST_NODE): New enumeral.
2613 (void_list_node): New macro.
2614 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
2615 * config/i386/i386.c (ix86_init_builtins): Likewise.
2616 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
2618 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2620 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
2621 * cppinit.c (cpp_start_read): Update comment, remove unneeded
2623 * tradcpp.c: Include mkdeps.h.
2624 (deps, print_deps_phony_targets, deps_append, output_deps,
2625 init_dependency_output, output_deps): New.
2626 (deps_buffer, deps_allocated_size, deps_size, deps_column,
2627 deps_output): Delete.
2628 (print_deps_missing_files): Rename deps_missing_files.
2629 (inhibit_output): Make global.
2630 (main): Delete inhibit_output, deps_stream, deps_target.
2631 Use mkdeps functionality in the same way as cpplib. Remove
2632 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
2633 -M and -MM. Remove old handling of deps via deps_out, and
2634 old reading of environment variables.
2635 (get_filename): Update to use deps_add_dep.
2637 2001-01-10 Mark Mitchell <mark@codesourcery.com>
2639 * output.h (make_function_rtl): Remove prototype.
2640 (make_decl_rtl): Likewise.
2641 * varasm.c (make_function_rtl): Remove.
2642 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
2643 than from a third parameter.
2644 * tree.h (make_decl_rtl): Remove last parameter.
2645 * c-decl.c (builtin_function): Remove last argument in call to
2646 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
2647 (start_function): Likewise.
2648 * except.c (call_get_eh_context): Likewise.
2649 * expr.c (emit_block_move): Likewise.
2650 (clear_storage): Likewise.
2651 * profile.c (output_func_start_profiler): Likewise.
2652 * toplev.c (rest_of_decl_compilation): Likewise.
2653 * objc/objc-act.c (create_builtin_decl): Likewise.
2654 (synth_module_prologue): Likewise.
2655 (generate_static_reference): Likewise.
2656 (build_selector_reference_decl): Likewise.
2657 (build_class_reference_decl): Likewise.
2658 (build_objc_string_decl): Likewise.
2659 (build_protocol_reference): Likewise.
2661 2001-01-10 Richard Henderson <rth@redhat.com>
2663 * hwint.h: Revert yesterday's change.
2665 2001-01-10 Nick Clifton <nickc@redhat.com>
2667 * function.h (save_machine_status): Delete.
2668 (restore_machine_status): Delete.
2669 Amend comment describing {init|mark|free}_machine_status.
2671 * function.c (save_machine_status): Delete.
2672 (restore_machine_status): Delete.
2673 Amend comment describing {init|mark|free}_machine_status.
2674 (push_function_context_to): Remove invocation of
2675 save_machine_status.
2676 (pop_function_context_from): Remove invocation of
2677 restore_machine_status.
2679 * emit-rtl.c (init_emit_once): Amend comment describing
2680 {init|mark|free}_machine_status.
2682 * tm.texi (Per-Function Data): New node. Describe the
2683 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
2686 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2688 * cppinit.c (OPT_g): Remove.
2689 (cpp_handle_option): Update for removed -g3.
2690 (print_help): Update.
2691 * cpplib.h (struct cpp_options): Remove debug_output.
2692 * cppmain.c (setup_callbacks, cb_define): Update.
2693 * gcc.c (cpp_options): Translate -g3 to -dD.
2695 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
2697 * config/i960/i960.md: Change modifier to + on the zero_extract
2698 pattern after the (rotate -2 reg) canonicalization pattern.
2700 2001-01-10 Richard Henderson <rth@redhat.com>
2702 * config/alpha/alpha.c (alpha_free_machine_status): New.
2703 (override_options): Install it.
2704 (alpha_mark_machine_status): Verify machine non-null.
2705 * config/i386/i386.c (ix86_free_machine_status): New.
2706 (override_options): Install it.
2707 (ix86_init_machine_status): Use xcalloc.
2708 (ix86_mark_machine_status): Verify machine non-null.
2709 * config/ia64/ia64.c (ia64_free_machine_status): New.
2710 (ia64_override_options): Install it.
2711 (ia64_mark_machine_status): Verify machine non-null.
2713 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
2715 * function.c (instantiate_virtual_regs): Instantiate virtual
2716 registers found in CALL_INSN_FUNCTION_USAGE.
2718 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2720 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
2721 equivalent to -ansi in disabling -Di386.
2723 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
2725 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
2727 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
2729 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
2731 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
2733 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2735 * invoke.texi: Document that -fcond-mismatch isn't supported for
2738 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
2740 * gcc.texi: Define macro gcctabopt.
2741 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
2742 @command, @env and @option in some places where appropriate. Use
2743 @gcctabopt where appropriate. Put URLs and email addresses inside
2746 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
2748 * gcc.c (cpp_options): Set MD file name from output
2749 filename, if specified.
2750 (suffix_subst): New static variable.
2751 (do_spec): Clear it.
2752 (do_spec_1, case '.'): Handle new `%.suffix' spec.
2754 (give_switch): Handle suffix_subst.
2756 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2758 * invoke.texi: Fix another typo.
2760 2001-01-10 Phil Edwards <pme@sources.redhat.com>
2762 * invoke.texi: Fix typo.
2764 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
2766 * c-lang.c (lang_hooks): Update.
2767 (lang_decode_option): Remove.
2768 (lang_init_options): Rename c_init_options.
2769 * toplev.c (main): Use lang_hooks for lang_init_options
2770 and lang_decode_option.
2771 * toplev.h (lang_hooks): Add 2 new hooks.
2772 * tree.h: Remove lang_init_options and lang_decode_option.
2773 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
2774 * cp/decl2.c: Similarly.
2775 * cp/lex.c (lang_init_options): Rename cxx_init_options.
2776 (lang_hooks): Update.
2777 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
2779 (lang_init_options): Rename ffe_init_options.
2780 (lang_hooks): Update.
2781 (lang_decode_option): Remove.
2782 * java/lang.c (lang_init_options): Rename java_init_options.
2783 (lang_decode_option): Rename java_decode_option.
2784 (lang_hooks): Update.
2785 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
2786 (lang_decode_option): Rename objc_decode_option.
2787 (lang_hooks): Update.
2789 2001-01-09 Nick Clifton <nickc@redhat.com>
2791 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
2792 (d30v_return_addr_rtx): Delete.
2793 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
2794 cfun->machine structure.
2795 (struct machine_function): Move to d30v.h
2796 (d30v_save_machine_status): Delete.
2797 (d30v_restore_machine_status): Delete.
2798 (d30v_init_machine_status): New Function.
2799 (d30v_mark_machine_status): New Function.
2800 (d30v_free_machine_status): New Function.
2801 (d30v_init_expanders): Use new functions.
2802 (d30v_return_addr): Use ra_rtx field in cfun->machine.
2803 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
2804 d30v_return_addr_rtx.
2806 * config/d30v/d30v.h (struct_machine): Move here.
2807 Add eh_epilogue_sp_ofs field.
2809 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
2810 field in cfun->machine structure.
2812 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
2814 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
2815 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
2816 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
2818 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
2820 * objc/lang-options.h: Remove bogus reference to
2823 2001-01-09 Kazu Hirata <kazu@hxi.com>
2825 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
2828 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
2830 * reload.c (find_reloads_address): Check for eliminable registers
2831 when substituting a constant expression for a pseudo.
2833 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
2835 * c-common.c (enum format_type): Add format_type_error.
2836 (decode_format_type): New function.
2837 (decl_attributes): Use it.
2838 (format_kind_info): Adjust comment.
2840 2001-01-09 David O'Brien <obrien@BSDi.com>
2842 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
2843 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
2845 * config/i386/gnu.h: Don't include required platform specific .h files,
2846 tm.h will do it instead.
2847 * config/i386/i386elf.h: Likewise.
2848 * config/i386/linux.h: Likewise.
2849 * config/i386/moss.h: Likewise.
2850 * config/mips/gnu.h: Likewise.
2852 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2854 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
2855 (rs6000-ibm-aix3.[01]*): Likewise.
2856 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
2857 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
2858 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
2859 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
2860 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
2861 (powerpc-*-eabiaix*): Likewise.
2862 (powerpc-*-eabisim*): Likewise.
2863 (powerpc-*-elf*): Likewise.
2864 (powerpc-*-eabi*): Likewise.
2865 (powerpc-*-rtems*): Likewise.
2866 (powerpc-*-linux*libc1): Likewise.
2867 (powerpc-*-linux*): Likewise.
2868 (powerpc-wrs-vxworks*): Likewise.
2869 (powerpcle-wrs-vxworks*): Likewise.
2870 (powerpcle-*-sysv*): Likewise.
2871 (powerpcle-*-elf*): Likewise.
2872 (powerpcle-*-eabisim*): Likewise.
2873 (powerpcle-*-eabi*): Likewise.
2874 (powerpcle-*-solaris2*): Likewise.
2875 * config/rs6000/aix31.h: Delete includes.
2876 * config/rs6000/aix3newas.h: Likewise.
2877 * config/rs6000/aix41.h: Likewise.
2878 * config/rs6000/aix43.h: Likewise.
2879 * config/rs6000/beos.h: Likewise.
2880 * config/rs6000/rtems.h: Likewise.
2881 * config/rs6000/sysv4.h: Likewise.
2883 2001-01-09 Kazu Hirata <kazu@hxi.com>
2885 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
2886 Change an argument mode of machine_mode to shift_mode of
2887 shift_mode. Remove an extra error check.
2888 (emit_a_shift): Adopt to the new calling prototype of
2890 (function_prologue): Fix code for a monitor
2891 function. Support H8/S.
2892 (function_epilogue): Do not output pop for a monitor function.
2894 2001-01-09 Nick Clifton <nickc@redhat.com>
2896 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
2897 (setup_incoming_varargs): Use sysv_varargs_p field of the
2898 cfun->machine structure.
2899 (struct machine_function): Move to rs6000.h
2900 (rs6000_save_machine_status): Delete.
2901 (rs6000_restore_machine_status): Delete.
2902 (rs6000_init_machine_status): New Function.
2903 (rs6000_free_machine_status): New Function.
2904 (rs6000_init_expanders): Use new functions.
2906 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
2908 (struct machine_function): Move here.
2910 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
2911 sysv_varargs_p field of the cfun->machine structure.
2913 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
2915 (rs6000_restore_machine_status): Remove prototype.
2917 2001-01-09 Richard Henderson <rth@redhat.com>
2919 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
2920 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
2921 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
2922 (sched_analyze_2, sched_analyze_insn): Likewise.
2923 (sched_analyze, init_deps): Likewise.
2924 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
2925 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
2926 (compute_block_backward_dependences): Update propagate_deps call.
2928 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
2930 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
2932 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2934 * cppinit.c (OPT_MD, OPT_MMD): Restore.
2935 (cpp_handle_option): Handle them.
2936 (cpp_post_options): Ensure one of -M or -MM is specified with
2937 any other -M? option.
2938 (init_dependency_output): Suppress output with -MG.
2940 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2943 * invoke.texi: Update.
2945 2001-01-09 Bernd Schmidt <bernds@redhat.com>
2947 * sh.md (reload_outsf): Generate recognizable patterns for
2950 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
2952 * c-lang.c (lang_hooks): Update.
2953 (lang_init): Rename c_init.
2954 (lang_finish): Remove.
2955 * toplev.c (compile_file): Use lang_hooks for lang_init ()
2957 * toplev.h (lang_hooks): Add init () and finish ().
2958 * tree.h (lang_init, lang_finish): Remove.
2959 * cp/tree.h (lang_init, lang_finish): Remove.
2960 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
2961 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
2963 (lang_init, lang_finish): Remove.
2964 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
2965 (lang_hooks): Update.
2966 * java/lang.c (lang_init): Rename java_init.
2967 (lang_finish): Remove.
2968 (lang_hooks): Update.
2969 * objc/objc-act.c (lang_init): Rename objc_init.
2970 (lang_finish): Remove.
2971 (lang_hoooks): Update.
2973 20001-01-09 Graham Stott <grahams@redhat.com>
2975 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
2976 after `ptr` is initialised.
2978 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2980 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
2981 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
2982 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
2983 stack adjusts, instead of r3.
2985 2001-01-09 Michael Hayes <mhayes@redhat.com>
2987 * flow.c (flow_loop_scan): Break out of ...
2988 (flow_loops_find) ... here.
2989 * basic-block.h (flow_loop_scan): New.
2990 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
2991 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
2993 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
2995 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
2997 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
2998 realloc()ing macro_buffer.
3000 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3001 if it's wider than long and the target's long is wider than the
3004 2001-01-09 Mark Mitchell <mark@codesourcery.com>
3006 Remove support for using UWIN as a host machine.
3007 * configure.in: Issue an error message.
3008 * configure: Regenerated.
3009 * config.gcc: Remove xm_* UWIN configury.
3010 * config/i386/xm-uwin.h: Remove.
3012 2001-01-08 Nick Clifton <nickc@redhat.com>
3014 * config/v850/v850.c (ra_rtx): Delete.
3015 (v850_save_machine_status): Delete.
3016 (v850_restore_machine_status): Delete.
3017 (v850_init_machine_status): New function.
3018 (v850_mark_machine_status): New function.
3019 (v850_free_machine_status): New function.
3020 (v850_return_addr): Use ra_rtx field in machine structure.
3021 (v850_init_expanders): Use new functions.
3023 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
3024 * config/v850/v850.c: Change arguments to v850_output+* functions
3025 to take a const char *, to avoid compile time warning.
3026 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
3027 (USER_LABEL_PREFIX): Redefine.
3029 2000-01-08 Jim Wilson <wilson@redhat.com>
3031 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
3032 1 to unsigned HOST_WIDE_INT before left shift.
3034 2001-01-08 Nick Clifton <nickc@redhat.com>
3036 * config/arm/arm.c (arm_mark_machine_status): Check to see if
3037 the machine structure has been allocated.
3038 (arm_free_machine_status): New function: Free the machine
3039 specific function structure.
3041 2001-01-08 Richard Henderson <rth@redhat.com>
3043 * jump.c (simplejump_p): Revert last change.
3045 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
3047 * cppinit.c (init): Rename init_library.
3048 (cpp_create_reader): Update.
3049 * gcc.c (cpp_options): If -o given, use it as the target of
3052 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3054 * arm.c (arm_arch5e): New variable.
3055 (all_cores): XScale is a 5TE device.
3056 (arm_override_options): Set arm_arch5e.
3057 (arm_init_builtins): __builtin_prefetch is in arch5e.
3058 * arm.h (arm_arch5e): Declare it.
3060 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
3062 * arm.md (define_constants): Add defines for UNSPEC and
3063 UNSPEC_VOLATILE insns. Update all users.
3064 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
3065 * arm.c (multi_register_push, note_invalid_constants)
3066 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
3067 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
3068 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
3070 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
3072 * jump.c (jump_optimize_1): Use reversed_comparison_code
3073 instead of can_reverse_comparison_p.
3074 (jump_back_p): Likewise.
3075 (invert_exp_1): Likewise.
3076 (thread_jumps): Likewise.
3077 * simplify-rtx.c (simplify_unary_operation): Likewise.
3078 (simplify_ternary_operation): Likewise.
3079 * cse.c (find_comparison_args): Convert to use
3080 can_reverse_comparison_p.
3081 (record_jump_equiv): Likewise.
3083 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
3085 * arm.h (HARD_REGNO_RENAME_OK): Delete.
3086 (EPILOGUE_USES): Define.
3087 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
3088 automatically stack the LR if it isn't live.
3090 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
3092 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
3095 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
3097 * ggc-page.c (max_alignment): New structure.
3098 (MAX_ALIGNMENT): New macro.
3099 (init_ggc): Use it to round up the sizes in the
3100 extra_order_size_table.
3102 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3104 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
3107 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3109 * builtins.def (BUILT_IN_FPRINTF): New entry.
3111 * c-common.c (c_expand_builtin_fprintf): New function.
3112 (init_function_format_info): Handle __builtin_fprintf.
3113 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
3114 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
3116 * c-decl.c (duplicate_decls): Adjust comment.
3118 * extend.texi (fprintf): Document new builtin.
3120 2001-01-07 Richard Henderson <rth@redhat.com>
3122 * jump.c (simplejump_p): Recognize any single_set jump
3125 2001-01-07 Richard Henderson <rth@redhat.com>
3127 * configure.in (slibdir): Accept an --with-slibdir option.
3128 Use "test" not "[" in configure. Default to $(libdir).
3130 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
3132 * config/t-aix43 (SHLIB_INSTALL): Likewise.
3133 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
3134 (SHLIB_LINK): Create links for the soname.
3135 * config/mips/t-iris6: Likewise.
3136 * config/sparc/t-slibgcc: Likewise.
3137 * config/sparc/t-slibgcc-sld: Likewise.
3139 2001-01-07 Jakub Jelinek <jakub@redhat.com>
3141 * config/i386/i386.c (constant_call_address_operand): Accept
3142 (const (plus (symbol_ref) (const_int))).
3143 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
3144 constant_call_address_operand.
3146 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3148 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
3149 and LONG_LONG_TYPE_SIZE > 32.
3151 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3153 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
3154 the previous change.
3156 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
3158 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
3160 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
3161 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
3162 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
3165 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3167 * fix-header.c (read_scan_file): s/pfile/scan_in/.
3169 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3171 * c-lang.c (c_post_options): Call cpp_post_options.
3172 * objc/objc-act.c (objc_post_options): Similarly.
3173 * cppmain.c (main): Similarly.
3174 * fix-header.c (read_scan_file): Similarly.
3175 * cppinit.c (cpp_start_read): Move option consistency checks
3176 to cpp_post_options. Don't call init_dependency_output.
3177 If needed, add default target and main file dependency.
3178 (OPT_MD, OPT_MMD): Remove.
3180 (cpp_handle_option): Update for OPT_* changes.
3181 (cpp_post_options): New.
3182 (init_dependency_output): Command line -MF overrides environment
3183 variables. Don't set default target etc. Suppress output
3184 if dependencies are going to stdout.
3185 (print_help): Update.
3186 * cpplib.h (cpp_post_options): New.
3187 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
3189 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
3191 * jump.c (comparison_dominates_p): Support unordered compares.
3193 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
3195 * simplify-rtx.c (simplify_relational_operation): Always simplify
3196 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
3199 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
3201 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
3202 (nonzero_bits): Likewise.
3203 (simplify_comparison): Likewise.
3204 (num_sign_bit_copies): Likewise; return more sane value depending
3205 on STORE_FLAG_VALUE.
3206 (known_cond): Do not assume EQ to be always true for equivalent
3209 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
3211 * cse.c (fold_rtx): Handle unordered comparisons.
3213 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
3215 * rtlanal.c (set_of_1): New static function.
3216 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
3217 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
3218 reg_set_last_last_regno): Remove.
3219 (set_of): New global function.
3220 (set_of_data): New structure.
3221 (reg_set_p, reg_set_last): Revamp for set_of.
3222 * rtl.h (set_of): New.
3224 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
3226 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
3227 * extend.texi: Document _Exit builtin.
3229 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3231 * (initialize, initialize_builtins,
3232 initialize_dependency_output, initialize_standard_includes):
3233 Rename s/initialize/init. Update.
3234 (init_dependency_output): Move to after
3235 cpp_handle_options, the correct location temporally at least.
3236 (opt_comp): Move next to init (), its caller. Fix prototype.
3237 (init): Make "initialized" local scope.
3238 (cpp_create_reader): Always call init ().
3239 (cpp_start_read): Update.
3240 (output_deps): New function, broken out of cpp_finish.
3241 (cpp_finish): Break out output_deps.
3243 2001-01-07 Richard Henderson <rth@redhat.com>
3245 * collect2.c (COFF specific stuff): Revert 12-06 patch
3246 to prototype system functions.
3248 2001-01-07 Michael Hayes <mhayes@redhat.com>
3250 * hard-reg-set.h: Add multiple include guard.
3251 * basic-block.h (struct loop): Add `sink' field.
3252 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
3253 (emit_iv_add_mult): Delete.
3254 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
3255 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
3256 (unroll_loop): Remove end_insert_before argument.
3257 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
3258 (maybe_eliminate_biv_1): Likewise.
3259 (emit_iv_add_mult): Delete.
3260 (gen_add_mult, loop_regs_update): New.
3261 (loop_insn_emit_after, loop_insn_emit_before): New.
3262 (loop_insn_sink, loop_insn_sink_or_swim): New.
3263 (emit_iv_add_mult): Delete.
3264 (scan_loop): Set loop->sink.
3265 (loop_givs_reduce): Use loop_insn_sink and its ilk.
3266 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
3267 (maybe_eliminate_biv_1): Likewise.
3268 (maybe_eliminate_biv_1): Add basic block argument.
3269 * unroll.c (unroll_loop): Remove end_insert_before argument.
3270 (find_splittable_regs): Likewise.
3271 (find_splittable_regs): Use loop_insn_sink and its ilk.
3272 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
3274 2001-01-07 Michael Hayes <mhayes@redhat.com>
3276 * loop.h (loop_insn_hoist): New prototype.
3277 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
3278 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
3279 (check_dbra_loop, load_mems): Likewise.
3280 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
3281 (find_splittable_givs): Likewise.
3283 2001-01-07 Michael Hayes <mhayes@redhat.com>
3285 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
3287 2001-01-07 Richard Henderson <rth@redhat.com>
3289 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
3291 2001-01-07 Richard Henderson <rth@redhat.com>
3293 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
3294 NO_SHARED_LIBGCC_MULTILIB as required for the target.
3295 * gcc.c (init_spec): Massage the existing libgcc_spec into a
3296 variant that handles a shared libgcc.
3297 (process_command): Always validate -{static,shared}-libgcc.
3298 (do_spec_1): New 'M' case.
3299 * invoke.text (Link Options): Document -{static,shared}-libgcc.
3301 2001-01-07 Richard Henderson <rth@redhat.com>
3303 * Makefile.in (slibdir): New variable.
3304 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
3305 (installdirs): Create slibdir.
3306 (install-libgcc, install-multilib): Defer to libgcc.mk.
3307 * configure.in (slibdir): Substitute.
3308 * mklibgcc.in (install): New target.
3310 * config/t-linux (SHLIB_LINK): Create links for the soname.
3311 (SHLIB_INSTALL): New.
3312 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
3313 * config/mips/t-iris6 (SHLIB_INSTALL): New.
3314 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
3315 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
3316 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
3318 2001-01-07 Richard Henderson <rth@redhat.com>
3320 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
3321 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
3322 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
3324 2001-01-07 Michael Hayes <mhayes@redhat.com>
3326 * loop.c (count_loop_regs_set): Delete.
3327 (load_mems_and_recount_loop_regs_set): Delete.
3328 (loop_regs_scan): Merge common code from count_loop_regs_set,
3329 scan_loop, and load_mems_and_recount_loop_regs_set.
3330 (scan_loop): Call load_mems directly and loop_regs_scan
3331 again if new registers created.
3333 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3335 * toplev.c (main): Call the front-end specific post_options
3336 hook if one is given.
3337 * toplev.h (struct_lang_hooks, lang_hooks): New.
3338 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
3339 for the C front end.
3340 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
3341 lang_hooks for the C++ front end.
3342 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
3343 lang_hooks for the ObjC front end.
3344 * f/com.c (lang_hooks): Hooks for the Fortran front end.
3345 * java/lang.c (lang_hooks): Hooks for the Java front end.
3347 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
3349 * c-lex.c (init_c_lex): Request #define / #undef callbacks
3350 for verbose DWARF[2] debugging.
3351 (cb_define, cb_undef): The new callbacks.
3352 * toplev.h (debug_define, debug_undef): Make const correct.
3353 * toplev.c (debug_define, debug_undef): Similarly. Do not
3354 perform the verbosity tests here anymore.
3356 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
3358 * reload.c (subst_reloads): Take INSN argument. When
3359 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
3360 * reload.h (subst_reloads): Adjust prototype.
3361 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
3362 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
3363 present in JUMP_INSNs and copy them to JUMP_LABEL.
3364 * flow.c (find_label_refs, find_basic_blocks_1): Skip
3365 JUMP_INSNs and insns with REG_LABELs that are followed by
3366 JUMP_INSNs with the same REG_LABEL.
3367 * sched-rgn.c (is_cfg_nonregular): Likewise.
3368 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
3370 * unroll.c (unroll_loop): Look for REG_LABEL notes in
3372 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
3374 2001-01-06 Richard Henderson <rth@redhat.com>
3376 * loop.c (scan_loop): Use xcalloc for the regs array.
3377 (load_mems_and_recount_loop_regs_set): Zero the new memory
3378 received from xrealloc.
3380 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
3382 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
3384 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
3386 * integrate.c (copy_rtx_and_substitute): When copying
3387 an ignored return value, strip REG_FUNCTION_VALUE_P.
3389 2001-01-06 Michael Hayes <mhayes@redhat.com>
3391 * loop.c (debug_biv, debug_giv): New.
3392 (loop_biv_dump): Break out from ...
3393 (record_biv): ... here.
3394 (loop_giv_dump): Break out from ...
3395 (record_giv): ... here.
3396 (loop_bivs_check): Use print_simple_rtl.
3397 * unroll.c (loop_iterations): Use print_simple_rtl.
3399 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
3401 * pa.md (return, return_internal): Modify patterns to prevent regrename
3402 mucking with the return pointer.
3404 2001-01-05 Richard Henderson <rth@redhat.com>
3406 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
3408 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
3410 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
3411 version supplied by Matteo Frigo.
3413 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3415 * cpp.texi: Update for -MQ.
3416 * cppinit.c (cpp_create_reader): Always create pfile->deps.
3417 (cpp_cleanup): Always free pfile->deps.
3418 (initialize_dependency_output): Don't create pfile->deps.
3419 (cpp_handle_option): Similarly.
3421 * gcc.c (cpp_options): Handle -MQ.
3422 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3423 * mkdeps.c (base_name): Remove.
3424 (deps_init): Don't allocate vector space until it's needed.
3425 (deps_free): Only free vectors if allocated.
3426 (deps_add_target, deps_add_dep): Update for initial allocation.
3427 (deps_add_default_target): Don't strip to the base_name.
3429 2001-01-05 DJ Delorie <dj@redhat.com>
3431 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
3432 (INIT_EXPANDERS): Define.
3434 * config/v850/v850.c (struct machine_function): Define.
3435 (v850_save_machine_status): New function.
3436 (v850_restore_machine_status): New function.
3437 (v850_return_addr): New function.
3438 (v850_init_expanders): New function.
3440 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
3441 and v850_init_expanders.
3443 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3445 * cpplib.h (struct cpp_reader): Add help_only field.
3446 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
3447 (cpp_handle_option): Set pfile->help_only if we see -h,
3448 --help, -target-help, or --version. Print version string but
3449 do not set help_only if we see -v or -version. Make text
3450 printed by -v match that printed by (-)-version.
3452 * cppmain.c (main): Exit after option parsing if
3453 pfile->help_only is true.
3455 * toplev.c (independent_decode_option): Call print_version,
3456 then exit, if we see --version (but not -version).
3457 (print_version): Split lengthy message into two lines.
3459 2001-01-05 Nick Clifton <nickc@redhat.com>
3461 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
3462 temporary string for initialisation before calling ggc_alloc_string.
3464 2001-01-06 Michael Hayes <mhayes@redhat.com>
3466 * rtl.h (print_simple_rtl): New.
3467 * print-rtl.c (print_simple_rtl): New.
3469 (print_rtx): Disable printing of flags and modes, etc.,
3470 if `flag_simple` nonzero.
3472 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
3474 * function.c (fixup_var_refs): Use push_to_full_sequence where
3477 2001-01-05 Michael Meissner <meissner@redhat.com>
3479 * flags.h (flag_reorder_blocks): Add declaration.
3480 (flag_rename_block): Ditto.
3482 2001-01-05 DJ Delorie <dj@redhat.com>
3484 * function.c (reorder_blocks): Make sure the flags are all reset
3485 before using them to mark blocks, else a second invocation will
3486 corrupt the block chain.
3487 (reorder_blocks_0): New, resets the flags.
3489 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
3491 * cse.c (find_comparison_args): Stop if the argument is known to
3494 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3496 * config/sh/sh.md (movdf): When splitting load into pair of
3497 registers, don't clobber the register used in the address too
3500 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
3502 * varasm.c (mark_constant_pool): Improve initial comments.
3503 (mark_constants): Move marking of constants to mark_constant.
3504 (mark_constant): New function to recursively mark all constants
3505 referred to by a constant.
3507 2001-01-05 Catherine Moore <clm@redhat.com>
3509 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
3511 2001-01-05 Phil Edwards <pme@sources.redhat.com>
3513 * cp/lang-options.h: Bring comment in line with reality.
3514 * f/lang-options.h: Likewise.
3515 * java/lang-options.h: Likewise.
3516 * objc/lang-options.h: Likewise.
3517 * ch/lang-options.h: Likewise.
3518 * f/g77.texi: And update the manual.
3520 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
3521 Denis Chertykov <denisc@overta.ru>
3523 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
3524 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
3525 * config/avr/avr.md (all peepholes that request a scratch register):
3526 Call it, FAIL the peephole if not safe (in interrupt functions).
3528 2001-01-05 Mark Mitchell <mark@codesourcery.com>
3530 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
3532 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
3534 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
3536 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
3537 BUILT_IN_CREAL and BUILT_IN_CIMAG.
3538 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
3539 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
3540 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
3542 * extend.texi: Document these builtins.
3544 2001-01-05 Daniel Berlin <dberlin@redhat.com>
3546 * c-common.c (lang_get_alias_set): Say we know nothing of
3547 VECTOR_TYPE aliasing.
3549 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
3551 2001-01-05 Bruce Korb <bkorb@gnu.org>
3553 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
3554 their x* equivalent versions for atexit-less systems
3555 * fixinc/fixincl.c(main): do not return from main() on atexit-less
3556 systems (or any other system any more).
3558 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
3560 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
3561 output operands. Use arm_hard_register_operand for operand 4.
3562 (stmsi_postinc): Similarly.
3563 (ldmsi): Use arm_hard_register_operand for opernand 2.
3565 * arm.c (arm_hard_register_operand): New function.
3566 * arm-protos.h (arm_hard_register_operand): Prototype it.
3568 * arm.h (HARD_REGNO_RENAME_OK): Define.
3570 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
3572 * simplify-rtx.c (cfc_args): add "unordered" field.
3573 (check_fold_consts): Set unordered field.
3574 (simplify_relational_operation): Simplify the unordered
3577 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
3580 * emit-rtl.c (try_split): Fix code to mark labels.
3581 * jump.c (mark_jump_label): Make global.
3582 * rtl.h (mark_jump_label): Declare.
3584 * predict.c (estimate_probability): Handle unordred comparisons.
3586 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
3588 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
3589 * cppinit.c (initialize_dependency_output): Update.
3590 (cpp_finish): Output dummy targets for -MP.
3592 (cpp_handle_option): Handle -MP. Don't quote -MT options.
3593 * cpplib.h (struct cpp_options): Add deps_phony_targets.
3594 * gcc.c (cpp_options): Update to handle -MP.
3595 * mkdeps.c (deps_add_target, deps_add_default_target): Update
3596 to quote only the default target.
3597 (deps_phony_targets): Insert a preceding newline. Rename from
3598 deps_dummy_targets for consistency.
3601 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3603 * calls.c (emit_library_call_value_1): Support
3604 INIT_CUMULATIVE_LIBCALL_ARGS.
3605 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
3607 2001-01-04 Richard Henderson <rth@redhat.com>
3609 * c-decl.c (finish_struct): Detect flexible array members
3610 used in an inappropriate context.
3611 * c-typeck.c (really_start_incremental_init): Special case
3612 constructor_max_index for zero length arrays.
3613 (pop_init_level): Allow initialization of flexible array
3614 members. Deprecate initialization of zero length arrays.
3615 Don't issue missing initializer warning for flexible array
3616 members or zero length arrays.
3617 (process_init_element): Don't dereference null DECL_SIZE.
3618 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
3619 Don't abort for empty constructors. Use size_binop
3620 (output_constructor): Add commentary regarding zero length
3621 array futures. Abort if we try to initialize an array of
3622 unspecified length with a non-empty constructor in the middle
3625 * extend.texi (Zero Length): Update and clarify documentation
3626 on static initialization.
3628 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3630 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
3631 with more than 32767 words of local storage.
3633 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3635 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
3636 for 'abs', 'labs', and 'fabs'.
3637 (c4x_expand_builtin): Likewise.
3638 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
3640 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
3642 * config/sh/sh.md (prget, prset): New insn types.
3643 (return delay slot): Dont' allow prset.
3644 (call, sfunc delay slot): Don't allow prget.
3645 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
3646 for prset and prget.
3648 2001-01-05 Michael Hayes <mhayes@redhat.com>
3650 * loop.h (struct loop_reg): New.
3651 (struct loop_regs): Change to use array of `struct loop_reg'.
3652 * loop.c: Replace assortment of varrays with single regs array.
3653 (count_one_set): Delete may_not_move array argument
3654 and use regs array instead. All caller's changed.
3655 (count_loop_regs_set): Delete may_not_move and single_usage
3656 arguments and use regs array instead. All caller's changed.
3657 (find_single_use_in_loop): Replace usage array argument with pointer
3658 to regs structure. All caller's changed.
3659 (loop_optimize): Delete `moved_once' array.
3661 2001-01-05 Michael Hayes <mhayes@redhat.com>
3663 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
3664 Use it instead of loop_info->has_call for scanning loop mems.
3665 (check_dbra_loop): Replace loop_info->has_call test with
3666 loop_info->has_nonconst_call.
3668 2000-01-04 Matthew Hiller <hiller@redhat.com>
3670 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
3673 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3675 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
3676 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
3678 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
3680 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
3681 (flag_short_double, flag_short_wchar): Define.
3682 (c_common_nodes_and_builtins): Create many tree nodes shared
3683 between C and C++ here instead of in cp/decl.c and ...
3684 * c-decl.c (init_decl_processing): ... here.
3685 (SIZE_TYPE, WCHAR_TYPE): Don't define.
3686 (flag_short_double, flag_short_wchar): Don't define.
3687 (record_builtin_type): New function.
3688 (build_void_list_node): New function.
3689 * c-common.h (flag_short_double, flag_short_wchar,
3690 record_builtin_type, build_void_list_node): Declare.
3692 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
3694 * integrate.c (expand_inline_function): Don't put a virtual
3695 register into the reg map.
3697 * function.c (fixup_var_refs_1): If force_operand didn't put
3698 the address into the target, move it there.
3700 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3702 Special-case tree_decl/tree_list allocations.
3703 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
3704 (OBJECT_SIZE): New macro.
3705 (NUM_EXTRA_ORDER): Likewise.
3706 (extra_order_size_table): New variable.
3707 (NUM_ORDERS): New macro.
3708 (objects_per_page_table): New variable.
3709 (object_size_table): New variable.
3710 (G.pages): Use NUM_ORDERS to bound the array.
3711 (G.page_tails): Likewise.
3712 (DIV_ROUND_UP): Remove.
3713 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
3714 (alloc_page): Use OBJECT_SIZE.
3715 (size_lookup): Don't make it const.
3716 (ggc_alloc): Use OBJECT_SIZE.
3717 (ggc_set_mark): Likewise.
3718 (ggc_get_size): Likewise.
3719 (init_ggc): Set up the object_size_table, objects_per_page_table,
3720 and adjust size_lookup.
3721 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
3722 (ggc_pop_context): Use NUM_ORDERS.
3723 (clear_marks): Likewise.
3724 (sweep_pages): Likewise.
3725 (poison_pages): Likewise.
3726 (ggc_print_statistics): Use OBJECT_SIZE.
3728 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3730 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
3731 Only call array_size_for_constructor if last field and array type
3732 with no upper bound.
3734 2001-01-04 Philip Blundell <philb@gnu.org>
3736 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
3737 from bit 31 downwards, if this requires no more insns.
3738 (count_insns_for_constant): New helper function for above.
3740 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
3742 * gencodes.c (output_predicate_decls): Remove empty initializer.
3744 2001-01-04 Mark Mitchell <mark@codesourcery.com>
3746 * tree.c (copy_node): Remove documentation about obstacks.
3747 (buidl1): Check that nobody tries to build 2-argument nodes this
3750 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3752 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
3755 * gencodes.c (output_predicate_decls): Fill empty initializer
3758 2001-01-04 Jakub Jelinek <jakub@redhat.com>
3760 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
3761 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
3763 (do_include): Handle missing headers like cpp0.
3764 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
3765 paths with first include pathname. Don't strcat to uninitialized
3768 2001-01-04 Bernd Schmidt <bernds@redhat.com>
3770 * regrename.c (regrename_optimize): Don't rename from frame pointer
3771 if frame_pointer_needed.
3772 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
3773 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
3774 (ia64_reorg): Use it instead of scheduling if ! optimize.
3775 (errata_emit_nops): Properly call asm_noperands.
3776 (ia64_sched_reorder): Finish cycle if we see an asm.
3777 (ia64_variable_issue): Clear scheduling state after asms.
3779 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
3781 * cpp.texi: Update for -MT.
3782 * cppinit.c (initialize_dependency_output): Add a default
3783 target if none has been given already.
3784 (no_tgt, OPT_MT): New.
3785 (cpp_handle_option): Handle -MT. Update -M etc.
3786 * cpplib.h (struct cpp_options): Remove deps_target.
3787 * gcc.c (cpp_options): Handle -MT.
3788 * mkdeps.c (struct deps): Move from mkdeps.h.
3789 (deps_calc_target): Rename deps_add_default_target. Add a
3790 default target if none has been specified already.
3791 * mkdeps.h (struct deps): Move to mkdeps.c.
3792 (deps_calc_target): Rename deps_add_default_target.
3794 2000-01-03 Richard Henderson <rth@redhat.com>
3796 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
3798 * c-typeck.c (push_init_level): Move checks for flexible array
3799 members and zero length arrays ...
3800 (pop_init_level): ... here. Silently discard empty initializations.
3802 * varasm.c (output_constructor): Update for sizeof change to
3805 * extend.texi (Zero Length): Clarify semantics.
3807 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3809 * configure.in (tm.h): Include isns-codes.h last.
3810 * configure: Rebuilt.
3812 2001-01-03 Richard Henderson <rth@redhat.com>
3814 * config/alpha/alpha.md (addvsi3, addvdi3): New.
3815 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
3817 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3819 * tradcpp.c (main): Make sure finclude() is called with a valid
3820 indepth value while handling -include.
3822 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3824 * gencodes.c (output_predicate_decls): New function.
3826 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
3827 even if it is not the first time machmode.h is #included.
3828 * config/sh/sh.c (fpul_operand): Declare MODE argument.
3829 * tm.texi (PREDICATE_CODES): Document predicate declarations.
3830 * gcc.texi (Copyright): Added 2001.
3832 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3834 * c-common.c (c_common_lang_init): New function. Warn if format
3835 warning options which only have effects when used with -Wformat
3836 are used without -Wformat.
3837 * c-common.h (c_common_lang_init): Declare.
3838 * c-lang.c (lang_init): Call c_common_lang_init.
3839 * objc/objc-act.c (lang_init): Call c_common_lang_init.
3841 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3843 * configure.in: Check for the mktemp command.
3844 * configure: Regenerate.
3845 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
3846 $TEMP. Create temporary files with mktemp, if available at
3847 configure time; otherwise use set -C. Remove temporary files
3850 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
3852 * configure.in: Require at least texinfo 4.0. Check for whether
3853 Pod::Man is sufficiently recent to regenerate GCC manpages.
3854 * configure: Regenerate.
3855 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
3857 (GENERATED_MANPAGES): Define.
3858 (generated-manpages): New target. Depend on cpp.1 as well as
3860 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
3861 configure to generated-manpages or empty) rather than on the
3862 manpages directly. Remove execute permission from installed
3863 gcov.1 as well as cpp.1.
3864 * cpp.1, gcov.1: Regenerate.
3866 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3868 * builtins.c (expand_builtin_strncmp): Use host_integerp and
3869 tree_low_cst. Allow using cmpstrsi in more cases.
3871 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3873 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
3876 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
3878 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
3879 * Makefile.in (HOST_CFLAGS): Mention build-make.
3881 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3883 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
3886 2001-01-01 Bernd Schmidt <bernds@redhat.com>
3888 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
3891 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
3894 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
3895 reg_base_value and reg_known_value arrays.
3896 (init_alias_analysis): Add more cases to detect known values.
3897 * sched-deps.c (deps_may_trap_p): New function.
3898 (sched_analyze_2): Use it.
3900 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
3902 * combine.c (simplify_shift_const): Even if we're sign-extracting,
3903 don't discard an ASHIFTRT if we're shifting in a wider mode.
3905 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
3907 * toplev.c (rest_of_compilation): Don't print basic block information
3908 when CFG isn't up to date.
3910 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
3912 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
3913 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
3914 (UNALIGNED_SHORT_ASM_OP): Define.
3915 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
3917 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3919 * fold-const.c (fold_convert): Fix typo.
3921 2001-01-02 Richard Henderson <rth@redhat.com>
3923 * c-common.h (ASM_INPUT_P): New.
3924 * c-parse.in (asm): Set it when needed.
3925 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
3926 existance of an operand.
3928 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
3930 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
3931 (dwarf2out_frame_debug_expr): Likewise.
3932 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
3934 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
3936 * i386.c (ix86_split_to_parts): Return number of part required;
3938 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
3940 (ix86_split_long_move): Use number of part returned
3941 by ix86_split_to_parts
3942 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
3944 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
3945 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
3946 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
3947 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
3948 (ALIGN_MODE_128): Add TFmode.
3949 (IS_STACK_MODE): Likewise.
3950 (HARD_REGNO_NREGS): TFmode needs 3 registers.
3951 (HARD_REGNO_OK): Support TFmodes.
3952 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
3953 * i386.md (scheduler definitions): Use memory operand to determine
3954 fst/fld instructions; use mode attribute to determine real mode of
3956 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
3957 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
3959 2001-01-02 Mark Mitchell <mark@codesourcery.com>
3961 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
3963 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3965 * expr.c (store_constructor_field): Update ALIGN before calling
3968 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3970 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
3973 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
3975 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
3978 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
3980 * c-decl.c (start_function): Don't warn on third parameter to main.
3982 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3984 * tsystem.h: Define HAVE_DECL_GETOPT.
3986 2001-01-02 Philip Blundell <pb@futuretv.com>
3988 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
3991 2001-01-02 Richard Henderson <rth@redhat.com>
3993 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
3995 2001-01-02 Andreas Jaeger <aj@suse.de>
3997 * c-decl.c (c_decode_option): Remove support of
4000 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
4001 (W_options): Add -Wmissing-noreturn here.
4003 * flow.c: Define lang_missing_noreturn_ok_p.
4004 (check_function_return_warnings): Use it.
4006 * c-common.h: Declare lang_missing_noreturn_ok_p.
4008 * c-lang.c (c_missing_noreturn_ok_p): New function.
4009 (lang_init): Set lang_missing_noreturn_ok_p.
4011 * invoke.texi (Warning Options): Document this.
4013 2000-12-27 Phil Edwards <pme@sources.redhat.com>
4015 * extend.texi (C++ Extensions): New node for C++ attributes;
4016 describe init_priority and com_interface.
4017 * invoke.texi: Remove -finit-priority as it now has zero effect.
4018 * install.texi: Fix xref syntax.
4019 * md.texi: Likewise.
4021 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4023 * config.gcc (sparc64-wrs-vxworks*): New case.
4024 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
4026 * config/sparc/sparc.c (sparc_override_options): Do support different
4027 pointer and architecture size.
4028 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
4029 (POINTERS_EXTEND_UNSIGNED): Define.
4030 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
4031 (FUNCTION_MODE): Define to be Pmode.
4032 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
4034 * function.c (expand_function_end): Properly handle DECL_RESULT
4035 and copy when ptr_mode != Pmode.
4036 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
4038 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4040 * c-common.c (c_common_nodes_and_builtins): Set prototype
4041 parameters for __builtin_fputs, __builtin_fputc and
4042 __builtin_fwrite. Don't declare plain fputc as a builtin.
4044 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4046 * loop.c (add_label_notes): Increment the label usage count when
4047 a note is added to an insn which refers to a CODE_LABEL.
4048 * gcse.c (add_label_notes): Likewise.
4050 2001-01-01 Andreas Jaeger <aj@suse.de>
4052 * loop.c (scan_loop): Use xmalloc to allocate movables.
4054 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
4056 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
4057 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
4058 * reload1.c (REGISTER_MOVE_COST): Likewise.
4059 * regclass.c (REGISTER_MOVE_COST): Likewise.
4060 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
4061 dimension. Adjust all users.
4062 (init_reg_sets_1): Iterate on all modes.
4063 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
4064 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
4065 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
4066 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
4067 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
4068 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
4069 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
4070 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
4071 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
4072 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
4073 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
4074 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
4075 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
4076 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
4077 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
4078 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
4079 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
4080 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
4081 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
4082 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
4083 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
4084 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
4085 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
4086 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
4087 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
4088 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
4089 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
4091 2001-01-01 Bernd Schmidt <bernds@redhat.com>
4093 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
4094 arg VARIES_P. Call it with extra arg.
4095 (true_dependence): Likewise.
4096 * rtl.h (rtx_addr_can_trap_p): Declare.
4097 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
4099 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
4100 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
4101 pic offset table register if it's zero. All callers changed.
4102 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
4104 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4106 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
4107 STRING_POOL_ADDRESS_P.
4109 * config/sparc/sparc.c (input_operand): Properly test for short op.
4111 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
4112 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
4113 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
4114 * config/sparc/elf.h: No longer include sol2.h.
4115 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
4116 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
4118 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
4120 2001-01-01 Michael Hayes <mhayes@redhat.com>
4122 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
4123 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
4124 (record_initial): Likewise.
4125 * unroll.c (copy_loop_body, loop_iterations): Likewise.
4126 (remap_split_bivs): Likewise.
4128 2001-01-01 Michael Hayes <mhayes@redhat.com>
4130 * loop.c (loop_ivs_free): New function.
4131 (strength_reduce): Break out from...
4133 2001-01-01 Michael Hayes <mhayes@redhat.com>
4135 * loop.h (struct iv): New.
4136 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
4137 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
4138 'reg_biv_class' fields with 'regs' and 'n_regs'.
4139 (struct ivs): Rename 'loop_iv_list' field to 'list'.
4140 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
4141 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
4143 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
4145 * resource.c (mark_referenced_resources): Abort() before
4146 attempting to mark a pseudo register.
4147 (mark_set_resources): Likewise.
4149 2001-01-01 Michael Hayes <mhayes@redhat.com>
4151 * loop.h (REG_IV_CLASS): New accessor macro.
4152 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
4153 * unroll.c (REG_IV_CLASS): Likewise.
4155 See ChangeLog.4 for earlier changes.