1 2006-10-30 David Daney <ddaney@avtrex.com>
3 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
5 2006-10-30 Jakub Jelinek <jakub@redhat.com>
7 PR tree-optimization/29637
8 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
9 of the innertype is the innertype itself.
11 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
13 * dwarf2out.c (file_name_acquire): Correct typo.
15 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
17 * tree.h (tree_value_handle): Remove struct value_set declaration.
18 Change value_set to bitmap_set.
19 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
20 * tree-vn.c (get_value_handle): Made inline and moved to
22 * tree-flow-inline.h: (has_stmt_ann): New function.
23 * tree-ssa-pre.c (expressions): New variable.
24 (next_expression_id): Ditto.
25 (alloc_expression_id): New function.
26 (struct value_set): Remove.
27 (get_expression_id): New function.
28 (get_or_alloc_expression_id): Ditto.
29 (expression_for_id): Ditto.
30 (clear_expression_ids): Ditto.
31 (FOR_EACH_EXPR_ID_IN_SET): New macro.
32 (bb_value_sets): Renamed to bb_bitmap_sets.
33 All value sets replaced with bitmap_sets.
35 (BB_VISITED): New macro.
36 (postorder): New variable.
37 (add_to_value): Removed.
38 (value_exists_in_set_bitmap): Ditto.
39 (value_insert_into_set_bitmap): Ditto.
43 (set_contains_value): Ditto.
44 (insert_into_set): Ditto.
47 (bitmap_set_subtract_from_value_set): Ditto.
48 (value_insert_into_set): Ditto.
49 (print_value_set): Ditto.
50 (debug_value_set): Ditto.
51 (constant_expr_p): New function.
52 (bitmap_remove_from_set): Ditto.
53 (bitmap_insert_into_set): Ditto.
54 (bitmap_set_free): Ditto.
56 (sorted_array_from_bitmap_set): Ditto.
57 (bitmap_set_subtract): Ditto.
58 (bitmap_set_equal): Ditto.
59 (debug_bitmap_set): Ditto.
60 (find_leader_in_sets): Ditto.
61 (bitmap_set_replace_value): Modify for bitmapped sets.
62 (phi_translate): Ditto.
63 (phi_translate_set): Ditto.
64 (bitmap_find_leader): Ditto.
65 (valid_in_sets): Ditto.
66 (union_contains_value): Ditto.
68 (compute_antic_aux): Ditto. Mark changed blocks.
69 (compute_antic): Ditto. Iterate in postorder and only over
71 (compute_rvuse_and_antic_safe): Reuse postorder.
72 (create_component_ref_by_pieces): Modify for bitmapped sets.
73 (find_or_generate_expression): Ditto.
74 (create_expression_by_pieces): Ditto.
75 (insert_into_preds_of_block): Ditto.
76 (changed_blocks): New variable.
77 (do_regular_insertion): Broken out from insert_aux.
78 (insert_aux): Modified for bitmapped sets.
79 (find_existing_value_expr): New function.
80 (create_value_expr_from): Use it.
81 (insert_extra_phis): Removed.
82 (print_bitmap_set): Renamed from bitmap_print_value_set.
83 (compute_avail): Handle RETURN_EXPR.
84 (init_pre): Modify for bitmapped sets.
85 * tree-flow.h (has_stmt_ann): New function.
87 2006-10-29 Roger Sayle <roger@eyesopen.com>
89 * builtins.c (fold_builtin_floor): Check for the availability of
90 the C99 trunc function before transforming floor into trunc.
92 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
94 * builtins.c (fold_builtin_hypot): Rearrange recursive
95 transformation before others, and also do ABS_EXPR. When
96 necessary, check flag_unsafe_math_optimizations. When necessary,
99 2006-10-29 Roger Sayle <roger@eyesopen.com>
101 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
102 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
103 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
104 Fold -X eq/ne -Y as X eq/ne Y.
106 2006-10-29 Richard Sandiford <richard@codesourcery.com>
108 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
109 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
110 rather than GENERATE_MULT3_SI in the various define_peephole2s.
111 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
112 Use an inclusive test for "mult" rather than "mul".
113 (rotr<mode>3): Depend on ISA_HAS_ROR.
114 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
116 (GENERATE_MULT3_DI): Delete.
117 (ISA_HAS_64BIT_REGS): Use consistent formatting.
118 (ISA_HAS_MUL3): New macro.
119 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
120 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
121 (ISA_HAS_CLZ_CLO): Likewise.
122 (ISA_HAS_DCLZ_DCLO): Delete.
123 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
124 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
125 the VR4120 and VR4130.
126 (ISA_HAS_MACCHI): Use consistent formatting.
127 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
128 (ISA_HAS_ROR): ...this new macro.
129 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
130 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
131 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
133 2006-10-29 Roger Sayle <roger@eyesopen.com>
135 PR tree-optimization/15458
136 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
139 2006-10-29 Richard Guenther <rguenther@suse.de>
141 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
142 (ix86_expand_truncdf_32): Likewise.
143 * config/i386/i386.c (ix86_expand_trunc): New function expanding
144 trunc inline for SSE math and -fno-trapping-math and if not
146 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
147 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
148 for expanding btrunc inline for SSE math.
150 2006-10-29 Joseph Myers <joseph@codesourcery.com>
152 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
153 Handle tuning for bi-arch i[34567]86-*-linux* like that for
154 i[34567]86-*-solaris2.1[0-9]*.
155 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
156 Define conditionally depending on TARGET_64BIT_DEFAULT.
157 (SPEC_32, SPEC_64): Define.
158 (LINK_SPEC): Use them.
159 * doc/install.texi (--enable-targets=all): Document for x86-linux.
161 2006-10-29 Richard Guenther <rguenther@suse.de>
163 * config/i386/i386-protos.h (ix86_expand_round): Declare.
164 (ix86_expand_rounddf_32): Likewise.
165 * config/i386/i386.c (ix86_expand_round): New function expanding
166 round inline for SSE math and -fno-trapping-math and if not
168 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
169 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
170 round via ix86_expand_round.
172 2006-10-29 Richard Guenther <rguenther@suse.de>
174 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
175 (ix86_expand_floorceildf_32): Likewise.
176 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
177 static helper function.
178 (ix86_expand_floorceil): Expander for floor and ceil to SSE
180 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
181 * config/i386/i386.md (floordf2): Adjust to enable floor
182 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
183 -fno-trapping-math is enabled and if not optimizing for size.
184 (floorsf2, ceildf2, ceilsf2): Likewise.
185 * config/i386/sse.md (sse_maskcmpsf3): New insn.
186 (sse2_maskcmpdf3): Likewise.
188 2006-10-29 Richard Guenther <rguenther@suse.de>
190 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
191 rint in case -fno-trapping-math is enabled.
192 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
193 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
194 (ix86_expand_sse_fabs): Likewise.
195 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
196 * config/i386/i386.md (rintdf2): Enable for SSE math if
197 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
200 2006-10-29 Richard Guenther <rguenther@suse.de>
202 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
203 to conversion optabs.
204 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
206 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
207 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
208 (lfloor_optab, lceil_optab): Adjust defines.
209 * builtins.c (expand_builtin_int_roundingfn): Adjust for
210 lfloor and lceil optabs now being conversion optabs.
211 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
212 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
213 New static helper function.
214 (ix86_expand_lfloorceil): New function to expand lfloor and
216 * config/i386/i386.md (lfloor<mode>2): Split into ...
217 (lfloorxf<mode>2): ... x87 variant
218 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
219 using ix86_expand_lfloorceil.
220 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
222 * doc/md.texi (lfloorMN, lceilMN): Document.
224 2006-10-29 Richard Sandiford <richard@codesourcery.com>
226 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
227 -mno-shared assembler option on mips targets.
228 * configure, config.in: Regenerate.
229 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
230 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
231 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
233 2006-10-29 Richard Sandiford <richard@codesourcery.com>
235 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
236 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
238 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
240 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
241 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
244 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
247 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
248 (fold_builtin_pow): Evaluate constant arguments at compile-time
250 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
251 (do_mpfr_ckconv): New helper function.
252 (do_mpfr_arg1): Use do_mpfr_ckconv.
255 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
258 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
259 (-fdump-rtl-sched): Rename to ..
260 (-fdump-rtl-sched1): here. Also fix file extension number.
262 2006-10-28 Richard Guenther <rguenther@suse.de>
264 * fold-const.c (maybe_canonicalize_comparison): Fix code
267 2006-10-28 Uros Bizjak <uros@kss-loka.si>
269 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
270 (NON_QI_REG_P): Use IN_RANGE.
271 (REX_INT_REGNO_P): Use IN_RANGE.
272 (FP_REGNO_P): Use IN_RANGE.
273 (SSE_REGNO_P): Use IN_RANGE.
274 (REX_SSE_REGNO_P): Use IN_RANGE.
275 (MMX_REGNO_P): Use IN_RANGE.
276 (STACK_REGNO_P): New macro.
277 (STACK_REG_P): Use STACK_REGNO_P.
278 (NON_STACK_REG_P): Use STACK_REGNO_P.
279 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
280 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
281 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
282 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
283 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
285 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
287 * except.h (output_function_exception_table): Add 'const char*' param.
288 * except.c (switch_to_exception_section): Add 'const char*' param.
289 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
290 and flag_function_sections is set, use a function-specific section.
291 (output_function_exception_table): Add 'const char*' param.
292 Adjust call to switch_to_exception_section.
293 * final.c (rest_of_handle_final): Adjust calls to
294 output_function_exception_table.
295 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
296 * config.in: Regenerate.
297 * configure: Likewise.
299 2006-10-28 Richard Guenther <rguenther@suse.de>
302 * fold-const.c (maybe_canonicalize_comparison_1): Helper
303 for maybe_canonicalize_comparison.
304 (maybe_canonicalize_comparison): New function for canonicalizing
306 (fold_comparison): Call it to canonicalize comparisons with
309 2006-10-28 Richard Guenther <rguenther@suse.de>
312 * builtins.c (expand_builtin_int_roundingfn_2): Expand
313 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
314 (expand_builtin): Adjust likewise.
315 * genopinit.c (optabs[]): Add lround optab.
316 * optabs.c (init_optabs): Initialize lround_optab.
317 * optabs.h (enum convert_optab_index): Add COI_lround.
318 (lround_optab): Define.
319 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
320 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
322 (ix86_expand_lround): New function.
323 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
325 * doc/md.texi (lroundMN2): Document.
327 2006-10-28 Uros Bizjak <uros@kss-loka.si>
330 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
331 argument to HOST_WIDE_INT. Update function prototype.
332 (round_frame_size): Change return type to HOST_WIDE_INT. Change
333 "size" argument to HOST_WIDE_INT. Update function prototype.
335 2006-10-28 Uros Bizjak <uros@kss-loka.si>
337 * config/i386/i386.c (output_387_ffreep): Create output from a
338 template string for !HAVE_AS_IX86_FFREEP.
340 2006-10-27 Eric Christopher <echristo@apple.com>
342 * config/darwin.c: Fix formatting and grammar.
344 2006-10-27 Jan Hubicka <jh@suse.cz>
346 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
347 to be thrown away soon when IGNORE is set.
348 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
349 indicating when return value shall not be computed.
350 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
352 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
354 * config/i386/i386.h (TARGET_GEODE):
355 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
356 (TARGET_CPU_DEFAULT_geode): New macro.
357 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
358 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
359 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
360 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
361 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
363 (TARGET_CPU_DEFAULT_NAMES): Add geode.
364 (processor_type): Add PROCESSOR_GEODE.
366 * config/i386/i386.md: Include geode.md.
369 * config/i386/i386.c (geode_cost): New initialized global
371 (m_GEODE, m_K6_GEODE): New macros.
372 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
373 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
374 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
375 x86_schedule): Use m_K6_GEODE instead of m_K6.
376 (x86_movx, x86_cmove): Set up m_GEODE.
377 (x86_integer_DFmode_moves): Clear m_GEODE.
378 (processor_target_table): Add entry for geode.
379 (processor_alias_table): Ditto.
381 * config/i386/geode.md: New file.
383 * doc/invoke.texi: Add entry about geode processor.
385 2006-10-27 Mike Stump <mrs@apple.com>
387 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
388 __DYNAMIC__ from here back to ...
389 * config/darwin.h (CPP_SPEC): ... here.
391 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
392 Nathan Sidwell <nathan@codesourcery.com>
394 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
395 when choosing the minimum heapsize.
397 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
399 * gcc/unwind-dw2.h: Move cfa-related variables into
400 struct frame_state_reg_info to ensure that the CFA is properly
401 handled when executing DW_CFA_{remember,restore}_state.
402 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
403 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
404 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
405 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
406 gcc/config/rs6000/linux-unwind.h,
407 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
408 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
409 Modify to use new cfa_* fields.
411 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
413 * config/s390/s390.c (s390_init_frame_layout): Check positive
416 2006-10-26 Ben Elliston <bje@au.ibm.com>
418 * gimplify.c (get_name): Remove extraneous break.
419 (gimplify_omp_for): Initialise ret with GS_OK.
421 2006-10-25 Steve Ellcey <sje@cup.hp.com>
423 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
424 Add unix98.o to link line.
426 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
429 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
430 Calculate compile-time constants using MPFR.
431 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
432 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
434 2006-10-25 Bob Wilson <bob.wilson@acm.org>
436 * config/xtensa/lib2funcs.S: Use C-style comments.
438 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
440 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
441 (file_table_relative_p): Likewise.
442 (dwarf2out_finish): Likewise.
443 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
445 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
447 * tree-ssa-structalias.c (intra_create_variable_infos):
448 Don't recreate nonlocal_all if it already exists.
450 2006-10-25 Richard Guenther <rguenther@suse.de>
453 * optabs.h (enum optab_index): Remove OTI_lrint.
454 (enum convert_optab_index): Add COI_lrint.
455 (lrint_optab): Adjust.
456 (expand_sfix_optab): Declare.
457 * optabs.c (expand_sfix_optab): New function.
458 (init_optabs): Init lrint_optab as conversion optab.
459 * genopinit.c (lrint_optab): Change to a conversion optab.
460 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
461 expansion via conversion optab.
462 * config/i386/i386.md (*fistdi2_1): Remove
463 flag_unsafe_math_optimizations guard.
464 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
465 fist<mode>2_with_temp): Likewise.
466 (lrint<mode>2): Split into...
467 (lrintxf<mode>2): ... x87 part
468 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
469 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
470 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
471 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
472 * doc/md.texi (lrintMN2): Document.
474 2006-10-25 Uros Bizjak <uros@kss-loka.si>
477 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
478 Use inc and dec instructions for TARGET_USE_INCDEC.
479 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
480 ("sync_double_compare_and_swap<mode>"): Likewise.
481 ("*sync_double_compare_and_swapdi_pic"): Likewise.
482 ("*sync_compare_and_swap_cc<mode>"): Likewise.
483 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
484 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
485 ("sync_old_add<mode>"): Likewise.
486 ("sync_lock_test_and_set<mode>"): Likewise.
487 ("sync_lock_test_and_set<mode>"): Likewise.
488 ("sync_add<mode>"): Likewise.
489 ("sync_sub<mode>"): Likewise.
490 ("sync_ior<mode>"): Likewise.
491 ("sync_and<mode>"): Likewise.
492 ("sync_xor<mode>"): Likewise.
494 2006-10-25 Uros Bizjak <uros@kss-loka.si>
496 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
497 (remainder_optab): Define corresponding macro.
498 (drem_optab): Remove.
499 * optabs.c (init_optabs): Initialize remainder_optab. Remove
500 drem_optab initialization.
501 * genopinit.c (optabs): Implement remainder_optab using
502 remainder?f3 patterns. Remove drem_optab.
503 * builtins.c (expand_builtin_mathfn_2): Handle
504 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
505 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
506 expand_builtin_mathfn_2.
508 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
509 depend on flag_unsafe_math_optimizations.
511 * config/i386/i386.md ("remaindersf3", "remainderdf3")
512 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
513 Do not depend on flag_unsafe_math_optimizations. Use
514 truncxf?f expander instead of truncxf?f_i387_noop.
516 ("fpremxf4", "fprem1xf4"): Do not depend on
517 flag_unsafe_math_optimizations.
518 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
519 flag_unsafe_math_optimizations. Use truncxf?f expander
520 instead of truncxf?f_i387_noop.
522 * doc/md.texi (fmod, remainder): Document standard named pattern.
524 2006-10-24 Richard Sandiford <richard@codesourcery.com>
525 David Daney <ddaney@avtrex.com>
528 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
530 2006-10-25 Ben Elliston <bje@au.ibm.com>
532 * doc/extend.texi (Variable Attributes): Typo fix.
534 2006-10-24 Uros Bizjak <uros@kss-loka.si>
536 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
537 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
538 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
539 (FRAME_POINTER_REGNUM): Update register number to 21.
540 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
541 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
543 * config/i386/i386.c (regclass_map): Add fpcr entry.
544 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
546 (print_reg): Assert REGNO (x) != FPCR_REG.
548 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
549 (DIRFLAG_REG): Renumber.
550 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
551 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
552 (sse_prologue_save, *sse_prologue_save_insn): Renumber
553 hardcoded SSE register numbers.
555 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
556 hardcoded MMX register numbers.
558 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
561 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
562 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
564 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
565 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
566 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
567 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
569 2006-10-24 Richard Guenther <rguenther@suse.de>
572 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
573 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
574 for deciding optimizations in consistency with fold-const.c
575 (fold_builtin_unordered_cmp): Likewise.
577 2006-10-24 Richard Guenther <rguenther@suse.de>
579 * builtins.c (fold_builtin_floor): Fold floor (x) where
580 x is nonnegative to trunc (x).
581 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
582 nonnegative to FIX_TRUNC_EXPR.
584 2006-10-24 Richard Guenther <rguenther@suse.de>
586 PR tree-optimization/29567
587 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
588 for TRUTH_NOT_EXPR. Clarify comments.
590 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
593 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
594 at compile-time using MPFR. Change parameter VALUE to FUNC,
596 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
597 for overflow and underflow at all times and avoid folding in
600 2006-10-24 Ben Elliston <bje@au.ibm.com>
602 * reload1.c: Formatting fixes.
604 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
606 PR tree-optimization/14784
607 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
608 * tree-ssa-structalias.c (get_constraint_for,
609 intra_create_variable_infos): Set is_heapvar.
610 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
611 non-heapvar pointer variables specially.
613 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
616 * builtins.c (fold_builtin_sin, fold_builtin_cos,
617 fold_builtin_tan): Fold all constant arguments. Take a "type"
618 argument as necessary.
620 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
622 2006-10-23 Bob Wilson <bob.wilson@acm.org>
624 * config/xtensa/lib1funcs.asm: Use C-style comments.
626 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
628 * tree.c (local_define_builtin): Replace calls to
629 lang_hooks.builtin_function with add_builtin_function.
630 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
632 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
634 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
635 common code to add_builtin_function.
636 * langhooks.c (add_builtin_function): New function.
637 (lhd_builtin_function): New function.
638 * langhooks.h (struct lang_hooks): Change the signature of
640 (add_builtin_function): New function.
641 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
642 calls to lang_hooks.builtin_function with add_builtin_function.
643 * c-common.c (decl_builtin_1): Replace calls to
644 lang_hooks.builtin_function with add_builtin_function.
645 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
646 lang_hooks.builtin_function with add_builtin_function.
647 * config/frv/frv.c (def_builtin): Replace calls to
648 lang_hooks.builtin_function with add_builtin_function.
649 * config/s390/s390.c (s390_init_builtins): Replace calls to
650 lang_hooks.builtin_function with add_builtin_function.
651 * config/sparc/sparc.c (def_builtin): Replace calls to
652 lang_hooks.builtin_function with add_builtin_function.
653 * config/i386/i386.c (def_builtin): Replace calls to
654 lang_hooks.builtin_function with add_builtin_function.
655 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
656 lang_hooks.builtin_function with add_builtin_function.
657 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
658 lang_hooks.builtin_function with add_builtin_function.
659 * config/stormy16/stormy16.c (xstormy16_init_builtins):
660 Replace calls to lang_hooks.builtin_function with
661 add_builtin_function.
662 * config/iq2000/iq2000.c (def_builtin):
663 Replace calls to lang_hooks.builtin_function with
664 add_builtin_function.
665 * config/ia64/ia64.c (def_builtin): Replace calls to
666 lang_hooks.builtin_function with add_builtin_function.
667 * config/rs6000/rs6000.c (def_builtin): Replace calls to
668 lang_hooks.builtin_function with add_builtin_function.
669 (altivec_init_builtins): Replace calls to
670 lang_hooks.builtin_function with add_builtin_function.
671 * config/arm/arm.c (def_mbuiltin): Replace calls to
672 lang_hooks.builtin_function with add_builtin_function.
673 (arm_init_tls_builtins): Replace calls to
674 lang_hooks.builtin_function with add_builtin_function.
675 * config/mips/mips.c (mips_init_builtins): Replace calls to
676 lang_hooks.builtin_function with add_builtin_function.
677 * config/bfin/bfin.c (def_builtin): Replace calls to
678 lang_hooks.builtin_function with add_builtin_function.
679 * langhooks-def.h (lhd_builtin_function): New function.
680 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
682 2006-10-23 Jakub Jelinek <jakub@redhat.com>
684 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
685 BUILT_IN_STRNCAT_CHK.
687 2006-10-23 Jan Hubicka <jh@suse.cz>
689 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
690 don't do conversion from memmove to memcpy here.
691 (expand_builtin_bcopy, expand_builtin): Update call of
692 expand_builtin_memmove.
693 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
695 2006-10-23 Paul Brook <paul@codesourcery.com>
697 * stor-layout.c (start_record_layout): maximum_field_alignment
698 overrides STRUCTURE_SIZE_BOUNDARY.
700 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
702 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
703 nonlocal function symbols if flag_pic.
705 2006-10-23 Richard Guenther <rguenther@suse.de>
709 * builtins.c (fold_binary): Remove checks for flag_wrapv
710 and flag_trapv where negate_expr_p covers these cases.
712 2006-10-23 Richard Guenther <rguenther@suse.de>
715 * fold-const.c (fold_plusminus_mult_expr): Check exact power
716 of two on the absolute value.
717 (fold_binary): Fold x * -C to -x * C if x is easily negatable
718 and negating -C does not overflow.
720 2006-10-23 Richard Guenther <rguenther@suse.de>
723 * convert.c (convert_to_real): Fold (float)-x to -(float)x
724 only if not flag_rounding_math.
726 2006-10-22 Richard Sandiford <richard@codesourcery.com>
727 Kaz Kojima <kkojima@gcc.gnu.org>
730 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
731 SImode memory reference for the source of a movua.
732 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
733 (movua): Use an unspec instead of sign_extract. Expect the source
734 to have mode BLKmode.
735 (extv, insv): Use a BLKmode rather than SImode memory reference
736 for the source of a movua.
738 2006-10-22 Jeff Law <law@redhat.com>
739 Richard Guenther <rguenther@suse.de>
741 PR tree-optimization/15911
742 * tree-vrp.c (extract_code_and_val_from_cond): New function.
743 (register_edge_assert_for_1): Likewise.
744 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
745 (find_conditional_asserts): Adjust for new function signature.
746 (find_assert_locations): Likewise.
748 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
750 * config/i386/tmmintrin.h: Remove the duplicated content.
752 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
754 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
755 (x86_64-*-*): Likewise.
757 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
758 (override_options): Check SSSE3.
759 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
760 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
761 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
762 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
763 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
764 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
765 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
766 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
767 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
768 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
769 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
770 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
771 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
772 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
773 IX86_BUILTIN_PABSD128.
774 (bdesc_2arg): Add SSSE3.
775 (bdesc_1arg): Likewise.
776 (ix86_init_mmx_sse_builtins): Support SSSE3.
777 (ix86_expand_builtin): Likewise.
778 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
780 * config/i386/i386.md (UNSPEC_PSHUFB): New.
781 (UNSPEC_PSIGN): Likewise.
782 (UNSPEC_PALIGNR): Likewise.
783 Include mmx.md before sse.md.
785 * config/i386/i386.opt: Add -mssse3.
787 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
788 (ssse3_phaddwv4hi3): Likewise.
789 (ssse3_phadddv4si3): Likewise.
790 (ssse3_phadddv2si3): Likewise.
791 (ssse3_phaddswv8hi3): Likewise.
792 (ssse3_phaddswv4hi3): Likewise.
793 (ssse3_phsubwv8hi3): Likewise.
794 (ssse3_phsubwv4hi3): Likewise.
795 (ssse3_phsubdv4si3): Likewise.
796 (ssse3_phsubdv2si3): Likewise.
797 (ssse3_phsubswv8hi3): Likewise.
798 (ssse3_phsubswv4hi3): Likewise.
799 (ssse3_pmaddubswv8hi3): Likewise.
800 (ssse3_pmaddubswv4hi3): Likewise.
801 (ssse3_pmulhrswv8hi3): Likewise.
802 (ssse3_pmulhrswv4hi3): Likewise.
803 (ssse3_pshufbv16qi3): Likewise.
804 (ssse3_pshufbv8qi3): Likewise.
805 (ssse3_psign<mode>3): Likewise.
806 (ssse3_psign<mode>3): Likewise.
807 (ssse3_palignrti): Likewise.
808 (ssse3_palignrdi): Likewise.
809 (abs<mode>2): Likewise.
810 (abs<mode>2): Likewise.
812 * config/i386/tmmintrin.h: New file.
814 * doc/extend.texi: Document SSSE3 built-in functions.
816 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
818 2006-10-22 Ira Rosen <irar@il.ibm.com>
820 * tree-vect-transform.c (vectorizable_load): Use the type of the
821 return value of the mask_for_load builtin to create realign_load
824 2006-10-22 Richard Sandiford <richard@codesourcery.com>
826 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
829 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
831 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
832 (UNSPEC_LDDQU): This.
833 * config/i386/sse.md (sse3_lddqu): Updated.
835 2006-10-21 Richard Guenther <rguenther@suse.de>
837 * builtins.c (expand_builtin_int_roundingfn_2): New function.
838 (expand_builtin): Use it to expand lrint instead of
839 expand_builtin_mathfn.
841 2006-10-21 Uros Bizjak <uros@kss-loka.si>
844 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
845 flag_unsafe_math_optimizations is set.
847 2006-10-21 Uros Bizjak <uros@kss-loka.si>
850 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
851 patterns to use memory input operand in x87->mem->XMM
852 reload sequences. Skip transformation for TARGET_K8.
854 2006-10-21 Uros Bizjak <uros@kss-loka.si>
856 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
857 force operand1 to register if both operands are memory operands.
858 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
859 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
860 if both operands are memory operands.
861 (truncdfsf2): Do not force operand1 to register if both operands
864 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
866 * Makefile.in (LIBS): Add $(GMPLIBS).
867 * doc/install.texi: Update GMP and MPFR requirements.
868 * doc/sourcebuild.texi (need_gmp): Delete.
870 2006-10-21 Richard Guenther <rguenther@suse.de>
872 PR tree-optimization/3511
873 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
874 got new invariant arguments during PHI translation.
876 2006-10-21 Richard Guenther <rguenther@suse.de>
879 * fold-const.c (fold_comparison): Fold signed comparisons
880 of the form X +- C1 CMP Y +- C2.
882 2006-10-21 Richard Guenther <rguenther@suse.de>
885 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
886 if flag_unsafe_math_optimizations is specified. We have
887 flag_finite_math_only for that.
888 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
889 or flag_unsafe_math_optimizations.
891 2006-10-21 Richard Guenther <rguenther@suse.de>
893 * builtins.c (fold_builtin_classify): Fix typo.
895 2006-10-21 Richard Guenther <rguenther@suse.de>
898 * simplify-rtx.c (simplify_const_relational_operation):
899 Do not constant-fold ORDERED and UNORDERED for
900 flag_unsafe_math_optimizations but only we do not need to
901 honor NaNs for the given mode.
903 2006-10-21 Richard Guenther <rguenther@suse.de>
906 * config/i386/i386.c (classify_argument): Remove redundant
907 walking of the BINFOs.
908 (contains_128bit_aligned_vector_p): Likewise.
910 2006-10-20 Mark Mitchell <mark@codesourcery.com>
912 * BASE-VER: Set to 4.3.0.
914 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
916 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
917 (tree_decl_with_vis): Remove artificial_pta_var flag.
918 * tree-flow.h (referenced_var_check_and_insert): Expose.
919 (nonlocal_all): New prototype.
920 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
921 (nonlocal_all): Make global.
922 (nonlocal_lookup): Remove.
923 (nonlocal_insert): Ditto.
924 (create_nonlocal_var): Do not call nonlocal_insert.
925 (get_nonlocal_id_for_type): Remove.
926 (find_global_initializers): Mark new vars we find for renaming.
927 (intra_create_variable_infos): Only create one nonlocal.
928 (expand_nonlocal_solutions): Remove.
929 (compute_points_to_sets): Don't call it.
930 (ipa_pta_execute): Ditto.
931 (init_alias_heapvars): Don't create nonlocal_for_type.
932 (delete_alias_heapvars): Don't remove it.
933 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
936 2006-10-19 Brooks Moses <bmoses@stanford.edu>
938 * doc/install.texi (Downloading GCC): Clarify mention of
939 Fortran in the "full distribution" description.
941 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
943 Fix PR tree-optimization/28778
944 Fix PR tree-optimization/29156
945 Fix PR tree-optimization/29415
946 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
947 (tree_decl_with_vis): Add artificial_pta_var flag.
948 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
950 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
951 (nonlocal_all): Ditto.
952 (struct variable_info): Add directly_dereferenced member.
953 (var_escaped_vars): New variable.
954 (escaped_vars_tree): Ditto.
955 (escaped_vars_id): Ditto.
956 (nonlocal_vars_id): Ditto.
957 (new_var_info): Set directly_dereferenced.
958 (graph_size): New variable
959 (build_constraint_graph): Use graph_size.
960 (solve_graph): Don't process constraints that cannot change the
961 solution, don't try to propagate an empty solution to our
963 (process_constraint): Set directly_dereferenced.
964 (could_have_pointers): New function.
965 (get_constraint_for_component_ref): Don't process STRING_CST.
966 (nonlocal_lookup): New function.
967 (nonlocal_insert): Ditto.
968 (create_nonlocal_var): Ditto.
969 (get_nonlocal_id_for_type): Ditto.
970 (get_constraint_for): Allow results vector to be empty in the case
972 Handle results of calls properly.
973 (update_alias_info): Update alias info stats on number and type of
975 (find_func_aliases): Use could_have_pointers.
976 (make_constraint_from_escaped): Renamed from
977 make_constraint_to_anything, and changed to make constraints from
979 (make_constraint_to_escaped): New function.
980 (find_global_initializers): Ditto.
981 (create_variable_info_for): Make constraint from escaped to any
982 global variable, and from any global variable to the set of
984 (intra_create_variable_infos): Deal with escaped instead of
985 pointing to anything.
986 (set_uids_in_ptset): Do type pruning on directly dereferenced
988 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
989 (init_base_vars): Fix comment, and initialize escaped_vars.
990 (need_to_solve): Removed.
991 (find_escape_constraints): New function.
992 (expand_nonlocal_solutions): Ditto.
993 (compute_points_to_sets): Call find_escape_constraints and
994 expand_nonlocal_solutions.
995 (delete_points_to_sets): Don't fall off the end of the graph.
996 (init_alias_heapvars): Initialize nonlocal_for_type and
998 (delete_alias_heapvars): Free nonlocal_for_type and null out
1001 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1003 * fold-const.c (add_double): Rename to add_double_with_sign.
1004 Add 'unsigned_p' parameter and take it into account for the overflow.
1005 (mul_double): Rename to mul_double_with_sign.
1006 Add 'unsigned_p' parameter and take it into account for the overflow.
1007 (fold_div_compare): Call add_double_with_sign instead of add_double
1008 and mul_double_with_sign instead of mul_double, passing them the
1009 unsignedness of the type.
1010 * tree.h (add_double): Macroize.
1011 (add_double_with_sign): New prototype.
1012 (mul_double): Macroize.
1013 (mul_double_with_sign): New prototype.
1015 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1017 * config/score/crti.asm: New file.
1018 * config/score/crtn.asm: New file.
1019 * config/score/elf.h: New file.
1020 * config/score/mac.md: New file.
1021 * config/score/misc.md: New file.
1022 * config/score/mul-div.S: New file.
1023 * config/score/predicates.md: New file.
1024 * config/score/score7.md: New file.
1025 * config/score/score.c: New file.
1026 * config/score/score-conv.h: New file.
1027 * config/score/score.h: New file.
1028 * config/score/score.md: New file.
1029 * config/score/score-mdaux.c: New file.
1030 * config/score/score-mdaux.h: New file.
1031 * config/score/score-modes.def: New file.
1032 * config/score/score.opt: New file.
1033 * config/score/score-protos.h: New file.
1034 * config/score/score-version.h: New file.
1035 * config/score/t-score-elf: New file.
1036 * config.gcc: Add score*-*-* configurations(Update before).
1037 * doc/invoke.texi (Score Options): New section.
1038 * doc/md.texi (Score family): New section to document constraints.
1040 2006-10-19 Nick Clifton <nickc@redhat.com>
1042 * config/arm/arm.c: Fix spelling typo.
1044 2006-10-18 Tom Tromey <tromey@redhat.com>
1046 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1048 2006-10-18 Jan Hubicka <jh@suse.cz>
1051 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1054 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1056 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1057 TSI_SAME_STMT, since that's the desired entity.
1059 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1061 * config/s390/contraints.md: New file.
1062 * config/s390/s390-protos.h (s390_mem_constraint,
1063 s390_O_constraint_str, s390_N_constraint_str,
1064 s390_float_const_zero_p): Function prototypes added.
1065 * config/s390/s390.c (s390_extra_constraint_str,
1066 s390_const_double_ok_for_constraint_p,
1067 s390_const_ok_for_constraint_p): Functions removed.
1068 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1069 s390_float_const_zero_p): New functions.
1070 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1071 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1072 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1073 Macro definitions removed.
1074 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1075 s390_extra_constraint_str): Functions removed.
1077 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1078 Richard Sandiford <richard@codesourcery.com>
1081 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1082 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1084 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1086 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1087 (DWARF2_FRAME_REG_OUT): Likewise.
1088 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1089 (DWARF2_FRAME_REG_OUT): Likewise.
1091 2006-10-17 Paul Brook <paul@codesourcery.com>
1093 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1095 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1097 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1098 Standardize on "GNU Fortran" as the official name of the Fortran
1101 2006-10-16 Mike Stump <mrs@apple.com>
1103 * doc/invoke.texi (Darwin Options): Document -mkernel.
1104 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1106 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1107 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1108 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1109 (OS_MISSING_ALTIVEC): Add.
1110 * config/i386/i386.c (override_options): Add
1111 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1112 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1113 -mkernel, -static or -mdynamic-no-pic is given.
1114 (C_COMMON_OVERRIDE_OPTIONS): Add.
1115 * config/darwin.opt (fapple-kext): Add.
1117 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1118 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1120 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1121 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1122 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1123 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1124 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1125 (flag_mkernel): Add.
1126 (flag_apple_kext): Add.
1127 (TARGET_KEXTABI): Add.
1128 * config/darwin.c (darwin_handle_kext_attribute): Add.
1129 (DARWIN_VTABLE_P): Add.
1130 (darwin_binds_local_p): Add partial support for rebinding vtables
1132 (darwin_kextabi_p): Add.
1133 (darwin_override_options): Add.
1134 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1135 (darwin_kextabi_p): Add.
1136 (darwin_override_options): Add.
1137 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1138 __DYNAMIC__ and __STATIC__ here.
1140 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1142 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1143 Added mention of "make pdf" target, and Texinfo requirements for
1146 2006-10-16 DJ Delorie <dj@redhat.com>
1148 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1149 into the GOT in case we need a subreg of the address.
1151 2006-10-16 Richard Guenther <rguenther@suse.de>
1154 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1155 SSE builtin documentation. Document SSE2 builtins.
1157 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1159 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1160 symbol in the output file for non-shared links when -nostdlib or
1161 -nodefaultlibs isn't specified.
1163 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1164 posix thread support.
1166 2006-10-15 Jan Hubicka <jh@suse.cz>
1169 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1170 declared always_inline even when not inlining.
1172 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1173 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1174 Andrew Pinski <pinskia@gmail.com>
1177 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1179 2006-10-15 Jan Hubicka <jh@suse.cz>
1180 Richard Guenther <rguenther@suse.de>
1183 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1184 process_function_and_variable_attributes on all variables, including
1185 those discovered during cgraph construction phase.
1187 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1189 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1191 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1193 * config/i386/athlon.md (athlon_fist): Add fisttp.
1195 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1196 Ian Lance Taylor <ian@airs.com>
1199 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1200 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1203 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1205 * config/score/score.c, config/score/score.h: Fix comment
1208 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1211 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1214 2006-10-13 Eric Christopher <echristo@apple.com>
1216 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1218 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1221 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1222 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1223 alignment supported by 32-bit ELF.
1225 2006-10-13 Eric Christopher <echristo@apple.com>
1227 * config/darwin.c (darwin_emit_unwind_label): Strip
1228 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1230 2006-10-13 Richard Guenther <rguenther@suse.de>
1232 PR tree-optimization/29446
1233 * tree-vrp.c (fix_equivalence_set): Remove.
1234 (extract_range_from_assert): Do not call fix_equivalence_set.
1235 (debug_value_range): Print a newline.
1236 (compare_name_with_value): For equivalence sets with
1237 inconsistent value ranges conservatively bail out.
1238 (compare_names): Likewise.
1240 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1242 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1243 and MPFR for gfortran.
1245 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1247 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1248 alignment supported by 32-bit ELF.
1250 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1254 * c-typeck.c (digest_init): Always allow initializing vectors
1255 that have static storage duration with compound literals.
1256 * tree.c (build_type_attribute_qual_variant): New, based on
1257 build_type_attribute_variant.
1258 (build_type_attribute_variant): Rewrite using the former.
1259 (make_vector_type): Use build_type_attribute_qual_variant to build
1260 type variants. Use type_hash_canon on the others.
1262 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1263 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1265 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1267 2006-10-12 Jan Hubicka <jh@suse.cz>
1270 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1271 current_function_decl is set but current_function_scope is not.
1273 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1275 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1276 emit_insn to emit eh_return_internal instruction.
1277 (eh_return_internal): Explicitly set pc.
1279 2006-10-11 Richard Guenther <rguenther@suse.de>
1281 PR tree-optimization/28230
1282 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1283 to the correct place.
1285 2006-10-11 Richard Guenther <rguenther@suse.de>
1288 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1291 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1293 * configure.ac: Added pdf to "Make-hooks"
1294 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1295 targets and *.pdf file patterns in cleanup targets.
1296 * configure: Regenerated.
1298 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1300 * config/avr/predicates.md: New file.
1301 * config/avr/avr.md: Include it.
1302 (REG_SP): New constant.
1303 (peepholes): Use predicates.
1304 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1305 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1306 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1308 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1310 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1313 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1316 * builtins.c (var_decl_component_p): New function.
1317 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1318 single entry optimization to variables and components thereof.
1320 2006-10-10 Richard Guenther <rguenther@suse.de>
1322 PR rtl-optimization/29323
1323 * except.c (set_nothrow_function_flags): For functions
1324 that do not bind local bail out early.
1326 2006-10-10 Ben Elliston <bje@au.ibm.com>
1328 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1331 2006-10-09 Richard Henderson <rth@redhat.com>
1333 Revert emutls patch.
1335 2006-10-09 Richard Guenther <rguenther@suse.de>
1338 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1341 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1344 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1345 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1346 * configure: Regenerate.
1347 * config.in: Regenerate.
1349 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1351 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1353 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1355 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1356 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1357 Remove stray newline.
1359 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1361 * config/mips/mips.c (mips_classify_symbol): Do not return
1362 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1363 (mips_in_small_data_p): Tweak comments.
1365 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1367 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1369 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1371 * gimplify.c, sched-int.h: Fix comment typos.
1373 * sched-int.h: Fix comment typos.
1375 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1377 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1379 * sched-ebb.c (begin_schedule_ready): Use them.
1380 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1381 add_to_speculative_block, create_check_block_twin, speculate_insn,
1382 fix_jump_move, move_block_after_check): Ditto.
1383 * sched-rgn.c (new_ready): Ditto.
1385 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1387 PR rtl-optimization/29128
1388 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1389 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1390 allow interblock movement of speculation checks.
1392 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1395 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1396 casted to integer type.
1397 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1398 if they are significantly more expensive than [reg + index] ones.
1400 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1402 PR tree-optimization/29330
1403 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1404 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1405 on newly allocated ddrs.
1406 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1407 to VEC (loop_p, heap) pointer.
1408 (compute_data_dependences_for_loop): Adjust caller.
1409 (free_dependence_relations): Free DDR_LOOP_NEST.
1411 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1412 free DEPENDENCE_RELATIONS and DATAREFS.
1415 * builtins.c (expand_builtin_sync_operation,
1416 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1417 Use convert_to_mode to handle promoted arguments.
1419 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1421 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1423 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1425 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1427 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1429 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1430 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1431 Use <modeconstraint> instead of "r" as operand 1 constraint.
1433 2006-10-06 Olivier Hainque <hainque@adacore.com>
1435 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1436 Don't recurse on the pointed-to type.
1437 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1438 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1439 types with components of variable size.
1441 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1443 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1445 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1447 PR tree-optimization/29290
1448 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1452 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1453 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1456 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1457 the number of vector elements fill the rest with zeros.
1459 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1461 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1462 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1465 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1467 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1468 unnamed pattern into subsi3. Use correct constraints/predicates.
1469 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1470 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1472 2006-10-05 Ira Rosen <irar@il.ibm.com>
1474 * doc/loop.texi: Add data references analysis description.
1476 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1478 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1480 2006-10-04 Richard Henderson <rth@redhat.com>
1481 Jakub Jelinek <jakub@redhat.com>
1483 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1484 * builtin-types.def (BT_WORD): Make unsigned.
1485 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1486 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1487 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1488 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1489 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1490 * cgraph.c (decide_is_variable_needed): Look at force_output.
1491 Recurse for emulated tls.
1492 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1493 checks redundant with decide_is_variable_needed.
1494 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1495 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1497 * expr.c (emutls_var_address): New.
1498 (expand_expr_real_1): Expand emulated tls.
1499 (expand_expr_addr_expr_1): Likewise.
1500 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1501 * output.h (emutls_finish): Declare.
1502 * toplev.c (compile_file): Call it.
1503 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1504 address before wrapping in CONST.
1505 * varasm.c (emutls_htab, emutls_object_type): New.
1506 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1507 (get_emutls_object_name, get_emutls_object_type): New.
1508 (get_emutls_init_templ_addr, emutls_decl): New.
1509 (emutls_common_1, emutls_finish): New.
1510 (assemble_variable): When emulating tls, swap decls; generate
1511 constructor for the emutls objects.
1512 (do_assemble_alias): When emulating tls, swap decl and target name.
1513 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1515 * emutls.c: New file.
1516 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1517 tls_object for real tls.
1519 2006-10-04 Zack Weinberg <zackw@panix.com>
1521 Fix bug in constraint-check generator, reported by Rask Ingemann
1523 * genpreds.c (add_constraint): Don't remove anything from the
1525 (write_tm_constrs_h): Detect whether "op" argument is used, and
1526 mark it ARG_UNUSED if it isn't.
1527 (write_insn_const_int_ok_for_constraint): Skip the part of the
1528 expression that would test whether "op" (which is not available
1529 here) is a CONST_INT.
1531 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1534 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1536 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1538 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1539 current Leopard versions.
1540 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1542 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1544 * doc/install.texi: Fix typos.
1546 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1548 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1549 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1550 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1552 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1554 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1555 arg to be struct mach_header_64* instead.
1557 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1560 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1561 side effects after the outer expression's post side effects.
1563 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1565 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1566 comments to reflect actual behavior and relationship between
1567 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1569 * doc/c-tree.texi (Working with declarations): Fix documentation
1570 of FIELD_DECL likewise.
1572 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1575 * doc/extend.texi: Add used variable attribute description.
1577 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1580 * c.opt (Woverride-init): New.
1581 * c-opts.c (c_common_post_options): Default warn_override_init to
1583 * c-typeck.c (add_pending_init, output_init_element): Warn for
1584 overriding initializers without side effects.
1585 * doc/invoke.texi (-Woverride-init): Document.
1588 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1590 PR rtl-optimization/28096
1591 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1592 assignment has already been used as a destination earlier in the block.
1594 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1596 * builtins.c (expand_builtin_setjmp): Delete.
1597 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1598 <BUILT_IN_SETJMP_SETUP>: New case.
1599 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1600 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1601 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1602 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1603 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1604 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1605 (lower_function_body): Initialize it to false. If it is set to true
1606 at the end of the processing, emit the setjmp dispatcher.
1607 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1608 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1609 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1610 on the rhs of the assignment.
1611 (lower_builtin_setjmp): New function.
1612 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1613 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1614 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1615 to detect calls that can go to non-local labels. Use specific
1616 helper to create the abnormal edges associated with them.
1617 <MODIFY_EXPR>: Likewise.
1618 (make_abnormal_goto_edges): New function extracted from...
1619 (make_goto_expr_edges): ...here. Call it for computed gotos.
1620 (simple_goto_p): Minor tweak.
1621 (tree_can_make_abnormal_goto): New predicate.
1622 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1623 (tree_purge_dead_abnormal_call_edges): New function.
1624 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1625 (tree_purge_dead_abnormal_call_edges): Likewise.
1626 (make_abnormal_goto_edges): Likewise.
1627 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1628 Purge all dead abnormal edges if the call was in the last statement.
1629 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1630 (execute_fixup_cfg): If there are non-local labels in the function,
1631 scan the basic blocks and split them at calls that can go to non-local
1632 labels or add missing abnormal call edges. Write down the CFG in the
1634 (pass_fixup_cfg): Remove TODO_dump_func flag.
1635 * unwind-sjlj.c: Poison setjmp.
1636 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1637 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1638 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1639 (DONT_USE_BUILTIN_SETJMP): Document it.
1641 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1644 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1645 to 1 when __ppc64__ is defined.
1646 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1648 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1650 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1652 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1653 * config/ia64/unwind-hpux.c: Delete.
1655 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1657 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1658 on the element before gimplifying it, instead of punting if it is of
1661 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1663 * doc/loop.texi: New file.
1664 * doc/gccint.texi: Reference loop.texi.
1665 * Makefile.in (loop.texi): Add.
1667 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1669 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1671 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1672 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1674 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1676 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1678 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1680 * doc/install.texi: Document required versions of GMP and MPFR.
1682 2006-09-27 Paul Brook <paul@codesourcery.com>
1685 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1687 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1689 * reload1.c (alter_reg): Require the alignment of the stack slot to
1690 be at least reg_max_ref_width bytes.
1691 (scan_paradoxical_subregs): Record the largest width in
1694 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1698 * tree-nested.c (struct nesting_info): Added static_chain_added.
1699 (convert_call_expr): Set static_chain_added when adding static
1700 chain. Handle OMP_PARALLEL and OMP_SECTION.
1702 2006-09-25 Matthias Klose <doko@debian.org>
1704 * doc/invoke.texi: Add missing full stop.
1706 2006-09-25 Richard Henderson <rth@redhat.com>
1708 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1709 before cgraph_function_flags_ready.
1711 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1712 Adam Nemet <anemet@caviumnetworks.com>
1714 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1715 determine_common_wider_type): New functions.
1716 (get_computation_aff): Use them to simplify arithmetic between
1717 UBASE and CBASE if they are shortened from the same type.
1719 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1722 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1723 -2147483647 - 1 instead of 0x80000000.
1725 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1727 * flags.h (HONOR_NANS): Fix typo in comment.
1729 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1731 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1733 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1737 * tree.c (merge_attributes, attribute_list_contained): If both
1738 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1740 * c-typeck.c (comptypes_internal): Don't consider aggregates
1741 in different TUs as compatible if there one set of attributes is
1742 not a subset of the other type's attributes.
1743 (composite_type): Try harder not to create a new aggregate type.
1745 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1747 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1748 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1749 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1750 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1751 than replicating condition above.
1752 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1754 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1755 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1756 the linker by default.
1758 2006-09-22 Mike Stump <mrs@apple.com>
1760 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1763 2006-09-22 Richard Guenther <rguenther@suse.de>
1766 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1767 sort of stack variables stable.
1769 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1772 * explow.c (force_reg): Set REG_POINTER flag according to
1775 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1777 PR tree-optimization/28888
1778 * tree-if-conv.c (combine_blocks): Rewritten.
1779 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1780 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1782 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1784 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1787 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1789 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1791 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1793 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1795 2006-09-21 Roger Sayle <roger@eyesopen.com>
1798 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1799 dw_fde_current_label, to be the start of the function, i.e. the same
1800 value as dw_fde_begin.
1802 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1804 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1805 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1806 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1807 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1808 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1809 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1810 (abs<mode>2, neg<mode>2): Likewise.
1811 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1812 (*mips_abs_ps): New define_insn.
1814 2006-09-20 Josh Conner <jconner@apple.com>
1817 * calls.c (expand_call): Allow reuse of structure return stack
1820 2006-09-20 Paul Brook <paul@codesourcery.com>
1822 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1825 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1827 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1828 clean up terminology.
1830 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1833 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1834 with tablejumps in them.
1836 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1839 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1840 wrap it into TARGET_EXPR.
1842 2006-09-20 Eric Christopher <echristo@apple.com>
1844 * config/i386/i386.c (x86_fisttp): Remove.
1845 * config/i386/i386.h (x86_fisttp): Ditto.
1846 (TARGET_FISTTP): Ditto.
1848 2006-09-19 Eric Christopher <echristo@apple.com>
1850 * doc/tm.texi (OBJC_JBLEN): Describe.
1851 * config/i386/darwin.h (OBJC_JBLEN): Define.
1852 * config/rs6000/darwin.h: Ditto.
1854 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1856 PR rtl-optimization/21299
1857 * reload1.c (reload): Purge invalid ASMs in the final pass.
1859 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1862 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1863 pointers as legitimate constants.
1865 2006-09-19 Paul Brook <paul@codesourcery.com>
1868 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1870 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1872 PR tree-optimization/28887
1873 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1874 component parts from the reference.
1875 (gather_memory_references_ref): Record the reference without the
1876 nonaddressable component parts.
1878 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1881 * c-opts.c (c_common_handle_option): Ignore the -std options
1882 if the input language is assembly.
1884 2006-09-17 Ira Rosen <irar@il.ibm.com>
1887 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1889 (ptr_ptr_may_alias_p): Likewise.
1890 (record_record_differ_p): New function.
1891 (base_object_differ_p): Call record_record_differ_p.
1893 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1896 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1897 away for the expr argument.
1899 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1902 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1903 before using it for dumping after vectorizing loops.
1905 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1906 Jack Howarth <howarth@bromo.med.uc.edu>
1909 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1910 skip on error_mark_node.
1911 (rs6000_darwin64_record_arg_recurse): Likewise.
1913 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1915 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1916 * doc/rtl.texi: Remove related documentation.
1918 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1920 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1923 2006-09-15 Jim Wilson <wilson@specifix.com>
1925 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1926 Handle symbol offsets same as they are handled in ia64_expand_move
1929 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1931 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1932 Add forgotten parameter to the fprintf call.
1934 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1936 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1938 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1940 * doc/contrib.texi: Add my entry.
1942 2006-09-15 Nick Clifton <nickc@redhat.com>
1944 * doc/md.texi (Processor pipeline description): Fix typo in
1945 example of how to use the absence_set directive and reword the
1946 description to make it slightly easier to read.
1948 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1950 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1951 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1952 expanding the number of iterations.
1953 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1955 * cfgrtl.c (emit_insn_at_entry): New function.
1956 * rtl.h (emit_insn_at_entry): Declare it.
1957 * integrate.c (emit_initial_value_sets): Use it.
1959 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1961 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1963 (struct loop_work and related VEC declarations): Delete.
1964 (bfin_dump_loops): Print out new member bad.
1965 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1966 (bfin_scan_loop): Don't recurse.
1967 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1968 loops. No longer need to update outer loops if the current one is
1969 found bad. Move some validitiy checks to bfin_discover_loop.
1970 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1971 but changed not to check for nesting. Also changed to use the new bad
1973 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1974 time. Use bitmap based test to discover loop nesting.
1976 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1978 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1981 2006-09-14 Richard Guenther <rguenther@suse.de>
1982 Kazu Hirata <kazu@codesourcery.com>
1984 PR middle-end/28884.
1985 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1986 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1987 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1988 with TARGET_FUNCTION_VALUE.
1990 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1993 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1995 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1997 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2000 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2003 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2006 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2008 * basic_block.h (bb_has_eh_pred): Fix comment.
2010 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2012 * flow.c (calculate_global_regs_live): Invalidate eh registers
2013 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2014 (propagate_block): Handle eh registers as if they were set at basic
2016 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2018 * global.c (global_conflicts): Make eh registers to conflict with
2019 pseudos live at basic block begin.
2020 * basic_block.h (bb_has_eh_pred): New function.
2022 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2024 PR rtl-optimization/28982
2025 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2026 index of a PRE_MODIFY or POST_MODIFY address.
2027 * reload1.c (inc_for_reload): Use find_replacement on the original
2028 base and index registers.
2030 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2032 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2033 for -Os. Update __m128 alignment requirement.
2035 2006-09-13 Jan Hubicka <jh@suse.cz>
2037 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2039 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2041 PR rtl-optimization/28243
2042 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2043 the insn to which the note was originally attached.
2045 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2046 Roger Sayle <roger@eyesopen.com>
2048 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2049 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2050 on platforms that don't use dwarf for debug info.
2052 2006-09-12 Jason Merrill <jason@redhat.com>
2055 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2056 hard_frame_pointer_rtx after using it to update the frame pointer.
2058 2006-09-12 Roger Sayle <roger@eyesopen.com>
2060 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2061 (TARGET_ASM_CLOSE_PAREN): Likewise.
2062 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2063 (TARGET_ASM_CLOSE_PAREN): Likewise.
2065 2006-09-12 Roger Sayle <roger@eyesopen.com>
2068 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2069 frame information for frames larger than 512 Kbytes on Tru64 when
2070 using the native assembler.
2072 2006-09-12 Roger Sayle <roger@eyesopen.com>
2076 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2077 and symbols. Instead use the implementation from cse.c's hash_rtx.
2079 2006-09-12 Jan Hubicka <jh@suse.cz>
2081 PR rtl-optimization/28071
2082 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2083 (vect_transform_loop): Likewise.
2084 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2085 (new_loop_vec_info): Likewise.
2086 (destroy_loop_vec_info): Likewise.
2087 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2088 (create_stmt_ann): Likewise.
2089 (create_tree_ann): Rename to ...
2090 (create_tree_common_ann): ... this one; allocate only the common part
2092 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2093 (get_value_handle): Likewise.
2094 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2095 get_tree_common_ann.
2096 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2097 (vinfo_for_stmt): Use stmt annotations.
2098 * tree-flow.h (tree_ann_common_t): New type.
2099 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2100 (tree_ann, get_tree_ann, create_tree_ann): New.
2101 * tree-flow-inline.h (get_function_ann): Do more type checking.
2102 (stmt_ann): Likewise.
2103 (tree_ann): Rename to ...
2104 (tree_common_ann): ... this one; return ony common_ann
2105 (get_tree_ann): Rename to ...
2106 (tree_common_ann): This one; return only common_ann.
2107 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2110 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2112 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2113 with_cpu by default.
2115 * dwarf2out.c (dwarf_file_data): New.
2116 (enum dw_val_class): Add dw_val_class_file.
2117 (struct dw_val_struct): Add val_file.
2118 (file_table): Change to a hash table.
2119 (file_table_emitted): Delete.
2120 (file_table_last_lookup_index): Delete.
2121 (emitcount): Delete.
2122 (last_emitted_file): New.
2123 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2124 (init_file_table): Delete.
2125 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2126 (AT_addr): Add comment.
2130 (print_die): Handle dw_val_class_file.
2131 (print_dwarf_line_table): Update for new file table structure.
2132 (attr_checksum): Do checksum a filename.
2133 (same_dw_val_p, same_attr_p): Do compare a filename.
2134 (size_of_die): Handle dw_val_class_file.
2135 (value_format): Likewise.
2136 (output_die): Likewise. Also, call maybe_emit_file here.
2137 (struct file_info): Constify filenames. Make file_idx a pointer
2138 to a struct dwarf_file_data.
2139 (struct dir_info): Constify directory names. Remove 'used' field.
2140 (struct file_name_acquire_data): New.
2141 (file_name_acquire): New.
2142 (output_file_names): Modify to handle new file data structures.
2143 (add_src_coords_attributes): Use add_AT_file.
2144 (add_call_src_coords_attributes): Likewise.
2145 (dwarf2out_imported_module_or_decl): Likewise.
2146 (gen_subprogram_die): Modify for new file data structures.
2147 (gen_variable_die): Likewise.
2148 (file_table_eq): New.
2149 (file_table_hash): New.
2150 (file_table_last_lookup): New.
2151 (lookup_filename): Rewrite to handle new file data structures.
2152 (maybe_emit_file): Rewrite to handle new file data structures.
2153 (dwarf2out_source_line): Always call lookup_filename and
2155 (dwarf2out_init): Create file_table here.
2156 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2157 (file_table_relative_p): New.
2158 (dwarf2out_finish): Change detection of relative filenames
2159 to work with new file data structures. Move output_line_info call
2160 after debug_info output.
2162 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2167 * config/i386/i386.c (override_options): Always default to 16
2168 byte stack boundary.
2170 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2173 * var-tracking.c (dump_dataflow_set): Start dumping at
2175 (clobber_variable_part): Kill only the variable part in
2176 registers holding it, leaving other variables alone.
2178 2006-09-11 Josh Triplett <josh@freedesktop.org>
2180 * doc/extend.texi (Other Builtins): Actually use the macro
2181 argument in the documentation example for
2182 __builtin_types_compatible_p.
2184 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2186 PR rtl-optimization/28726
2187 * sched-deps.c (sched_analyze_reg): New function extracted from...
2188 (sched_analyze_1): ...here. Call it to analyze references to
2189 registers. Treat again writes to a stack register as writing to the
2191 (sched_analyze_2): ...and here. Call it to analyze references to
2192 registers. Treat again reads of a stack register as reading the
2195 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2196 David Edelsohn <edelsohn@gnu.org>
2199 * config/rs6000/spe.md (frob_df_di): Remove %H.
2200 (frob_di_df): Remove %H. Change evmergelo to mr.
2201 (frob_di_df_2): Remove %H. Change evldd to two loads.
2203 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2205 * doc/cpp.texi: Fix names of charset options.
2207 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2210 * config/i386/i386.c (override_options): Use 128-bit
2211 stack boundary always for 64bits.
2213 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2215 PR rtl-optimization/28636
2216 * combine.c (force_to_mode): Test for side-effects before
2217 substituting by zero.
2218 (simplify_shift_const): Likewise for zero or other constants.
2220 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2223 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2226 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2229 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2230 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2231 returned by mode_for_size, rather than the mode of src itself,
2232 to choose between 32-bit and 64-bit patterns.
2233 (mips_mem_fits_mode_p): New function.
2234 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2235 that the size of the source matches the size of the destination.
2236 (mov_<store>l, mov_<store>r): Likewise.
2238 2006-09-10 Eric Christopher <echristo@apple.com>
2240 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2243 2006-09-09 Eric Christopher <echristo@apple.com>
2246 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2249 2006-09-09 Roger Sayle <roger@eyesopen.com>
2250 Nicolas Setton <setton@adacore.com>
2252 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2254 2006-09-10 Andreas Schwab <schwab@suse.de>
2256 * config/m68k/m68k.md (bungt_rev): New pattern.
2258 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2259 Dale Johannesen <dalej@apple.com>
2262 * regclass.c (struct reg_pref): Update documentation.
2263 (regclass): Set prefclass to NO_REGS if memory is the best option.
2264 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2266 2006-09-08 Eric Christopher <echristo@apple.com>
2268 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2269 * config/t-slibgcc-darwin: Support x86_64 multilib.
2270 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2271 Return 1 for x86_64-darwin.
2272 * config/i386/t-darwin: Add m64 multilib.
2273 (LIB2_SIDITI_CONV_FUNCS): Use.
2274 (LIB2FUNCS_EXTRA): Ditto.
2275 * config/i386/darwin.h: Support x86_64.
2276 * config/i386/i386.c (override_options): Turn on flag_pic
2277 for x86_64-darwin. Disable flag_omit_pointer.
2278 (get_pc_thunk_name): Assert !TARGET_64BIT.
2279 (legitimate_address_p): Disable machopic addressing for
2281 (legitimize_pic_address): Ditto.
2282 (ix86_expand_move): Ditto.
2283 (ix86_expand_call): Ditto.
2284 (machopic_output_stub): Ditto.
2285 * config/darwin.c (machopic_select_section): Support literal16.
2286 (machopic_select_rtx_section): Ditto.
2287 * config/darwin-sections.def: Ditto.
2288 * config/darwin-64.c: New.
2290 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2293 * c-tree.h (struct c_arg_info): Add pending_sizes.
2294 * c-parser.c (c_parser_parms_declarator,
2295 c_parser_parms_list_declarator): Initialize pending_sizes.
2296 * c-decl.c (get_parm_info): Initialize pending_sizes.
2297 (get_parm_info): Set pending_sizes.
2298 (grokdeclarator): Call put_pending_sizes for parameters for
2299 function definition only.
2301 2006-09-07 Jason Merrill <jason@redhat.com>
2304 * varasm.c (output_constant): Only strip actual no-op conversions.
2307 * config/i386/i386.c (override_options): Use 128-bit
2308 stack boundary if -msse.
2310 2006-09-07 Eric Christopher <echristo@apple.com>
2312 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2314 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2317 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2319 * dwarf2out.c: Remove strange characters from comment above
2320 dwarf2out_frame_debug_expr.
2322 2006-09-07 Eric Christopher <echristo@apple.com>
2324 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2325 * config/darwin.h: ... to here.
2327 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2329 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2331 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2332 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2334 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2335 TARGET_PARTIAL_FLAG_REG_STALL.
2336 (*ashldi3_cconly_rex64): Likewise.
2337 (*ashlsi3_cmp): Likewise.
2338 (*ashlsi3_cconly): Likewise.
2339 (*ashlsi3_cmp_zext): Likewise.
2340 (*ashlhi3_cmp): Likewise.
2341 (*ashlhi3_cconly): Likewise.
2342 (*ashlqi3_cmp): Likewise.
2343 (*ashlqi3_cconly): Likewise.
2344 (*ashrdi3_cmp_rex64): Likewise.
2345 (*ashrdi3_cconly_rex64): Likewise.
2346 (*ashrsi3_cmp): Likewise.
2347 (*ashrsi3_cconly): Likewise.
2348 (*ashrsi3_cmp_zext): Likewise.
2349 (*ashrhi3_cmp): Likewise.
2350 (*ashrhi3_cconly): Likewise.
2351 (*ashrqi3_cmp): Likewise.
2352 (*ashrqi3_cconly): Likewise.
2353 (*lshrdi3_cmp_rex64): Likewise.
2354 (*lshrdi3_cconly_rex64): Likewise.
2355 (*lshrsi3_cmp): Likewise.
2356 (*lshrsi3_cconly): Likewise.
2357 (*lshrsi3_cmp_zext): Likewise.
2358 (*lshrhi3_cmp): Likewise.
2359 (*lshrhi3_cconly): Likewise.
2360 (*lshrqi2_cmp): Likewise.
2361 (*lshrqi2_cconly): Likewise.
2363 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2366 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2367 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2368 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2369 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2370 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2371 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2372 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2373 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2374 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2375 implement only CC setting effects of shift instructions.
2377 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2379 * doc/contrib.texi: Add myself.
2381 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2384 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2385 was set by the user.
2387 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2390 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2391 (divsi_inv_m1): Use them.
2392 (UNSPEC_DIV_INV_TABLE): New constant.
2394 2006-09-06 James E Wilson <wilson@specifix.com>
2397 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2398 then call count_or_remove_death_notes.
2400 2006-09-06 Jason Merrill <jason@redhat.com>
2403 * tree-inline.c (copy_result_decl_to_var): New fn.
2404 (declare_return_variable): Use it. Call declare_inline_vars here.
2405 (expand_call_inline): Not here.
2407 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2409 * doc/contrib.texi: Update my entry.
2411 2006-09-06 Nick Clifton <nickc@redhat.com>
2413 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2415 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2418 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2419 (canonicalize_induction_variables): Likewise.
2420 (tree_unroll_loops_completely): Likewise.
2421 (tree_ssa_prefetch_arrays): Likewise.
2422 (remove_empty_loops): Likewise.
2423 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2424 TODO_cleanup_cfg instead of directly calling
2425 cleanup_tree_cfg_loop.
2426 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2428 (tree_unroll_loops_completely): Likewise.
2429 (remove_empty_loops): Likewise.
2430 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2431 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2432 of tree_ssa_unswitch_loops.
2433 (tree_ssa_loop_ivcanon): Use the return value of
2434 canonicalize_induction_variables.
2435 (tree_ssa_empty_loop): Use the return value of
2437 (tree_complete_unroll): Use the return value of
2438 tree_unroll_loops_completely.
2439 (tree_ssa_loop_prefetch): Use the return value of
2440 tree_ssa_prefetch_arrays.
2441 * passes.c (execute_todo): Before Cleanup CFG, set
2442 updating_used_alone and after cleanup CFG, call
2443 recalculate_used_alone.
2445 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2448 * tree-vect-transform.c (vectorizable_condition): Move the check
2449 for the type after the check for simple condition.
2451 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2452 Kaz Kojima <kkojima@gcc.gnu.org>
2455 * mode-switching.c (optimize_mode_switching): Make the destination
2456 block of an abnormal edge have no anticipatable mode. Don't
2457 insert mode switching code at the end of the source block of
2460 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2462 PR rtl-optimization/26847
2463 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2464 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2465 (simplify_plus_minus): Count n_constants while filling ops. Replace
2466 qsort with insertion sort. Before going through the array to simplify
2467 pairs, sort it. Delay early exit until after the first sort, exiting
2468 only if no swaps occurred. Simplify pairs in reversed order, without
2469 special-casing the first iteration. Pack ops after simplifying pairs.
2471 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2473 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2474 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2475 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2476 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2478 2006-09-05 Richard Guenther <rguenther@suse.de>
2480 PR tree-optimization/28900
2481 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2482 compound conditional before creating COND_EXPR condition.
2484 2006-09-05 Richard Guenther <rguenther@suse.de>
2486 PR tree-optimization/28905
2487 * tree-vrp.c (fix_equivalence_set): Manually implement
2488 !value_ranges_intersect_p to also handle symbolic ranges.
2490 2006-09-05 Richard Guenther <rguenther@suse.de>
2493 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2496 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2498 PR rtl-optimization/27616
2499 * cse.c (table_size): New static variable.
2500 (new_basic_block): Initialize it to 0.
2501 (remove_from_table): Decrement it.
2502 (insert): Increment it.
2503 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2504 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2505 fold_rtx_mem_1 if under the cap.
2506 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2507 the lookup of the equivalent expression and test for equality of the
2508 first operand of the equivalent expression before in turn looking up
2509 an equivalent constant for the second operand.
2511 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2514 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2515 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2516 pointer, instead of assuming it is possible to derive the
2517 correct args size from a call insn.
2519 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2522 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2523 (fold_builtin_mempcpy): Rename to...
2524 (fold_builtin_memory_op): ... this. Optimize one element copy
2526 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2528 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2529 (expand_builtin_memcpy, expand_builtin_mempcpy,
2530 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2531 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2532 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2533 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2535 2006-09-01 DJ Delorie <dj@redhat.com>
2537 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2538 (stzx_16): Likewise.
2539 ("stzx_24_<mode>"): Likewise.
2540 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2541 ("cmp<mode>_op"): New.
2542 (cmp<mode>): Change to expander; just save operands.
2544 (b<code>): Change to expander, emit compare here.
2545 (s<code>_op): Change to use split and expander.
2546 (s<code>_24_op): Likewise.
2547 (s<code>_<mode>): New.
2548 (s<code>_<mode>_24): New.
2549 (movqicc_<code>_<mode): New.
2550 (movhicc_<code>_<mode>): New.
2553 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2554 (m32c_pend_compare): New.
2555 (m32c_unpend_compare): New.
2556 (m32c_expand_scc): New.
2557 (m32c_expand_movcc): Emit the compare also.
2558 * config/m32c/predicates.md (mra_nopp_operand): New.
2560 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2561 Richard Guenther <rguenther@suse.de>
2562 Adam Nemet <anemet@caviumnetworks.com>
2565 * builtins.c (get_pointer_alignment): Handle more forms
2566 of base addresses that can be used to derive more precise
2567 information about alignment.
2569 2006-09-01 Jason Merrill <jason@redhat.com>
2572 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2575 * gimplify.c (voidify_wrapper_expr): Handle null type.
2577 2006-09-01 Josh Conner <jconner@apple.com>
2580 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2581 (execute_return_slot_opt): Use it.
2583 2006-08-31 Josh Conner <jconner@apple.com>
2586 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2587 returning aggregates.
2589 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2591 PR tree-optimization/28839
2592 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2593 blocks in that phi arguments appear.
2595 2006-08-31 Roger Sayle <roger@eyesopen.com>
2598 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2599 NULL, otherwise use an advance_loc4 to adjust relative to the
2601 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2602 (dwarf2out_switch_text_section): Reset the current label to avoid
2603 using advance_loc4 over section boundaries.
2605 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2608 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2609 r12 + SYMBOLIC_CONST.
2611 2006-08-30 Richard Guenther <rguenther@suse.de>
2613 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2615 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2617 PR rtl-optimization/27735
2618 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2619 Add new argument to keep track of whether an irreducible region
2620 was affected. All callers changed.
2621 (fix_irreducible_loops): Removed.
2622 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2623 flags were invalidated.
2625 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2627 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2628 instead of SF operands.
2629 (*fop_df_comm_sse): Likewise.
2630 (*fop_df_comm_i387): Likewise.
2631 (*fop_df_1_mixed): Likewise.
2632 (*fop_df_1_sse): Likewise.
2634 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2635 J"orn Rennecke <joern.rennecke@st.com>
2637 PR tree-optimization/17506
2638 * tree-ssa.c (warn_uninit): If warning about a location outside of
2639 the current function, note where the variable was declared.
2641 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2643 PR tree-optimization/28411
2644 * double-int.c (double_int_div): Use double_int_divmod.
2645 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2646 double_int_mod, double_int_smod, double_int_umod): New functions.
2647 * double-int.h (double_int_divmod, double_int_sdivmod,
2648 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2650 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2652 (get_computation_aff, get_computation_cost_at): Handle double_int
2653 return type of constant_multiple_of.
2655 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2658 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2659 an implicit conversion.
2661 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2663 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2665 2006-08-27 Roger Sayle <roger@eyesopen.com>
2667 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2670 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2672 * config/i386/crtfastmath.c: Fix a comment typo.
2674 2006-08-26 Roger Sayle <roger@eyesopen.com>
2676 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2677 temporary visit flags on CASE_LABEL_EXPRs.
2678 * c-common.c (match_case_to_enum): Add function comment. Avoid
2679 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2680 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2681 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2682 a constant, only warn if that constant value isn't handled.
2684 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2687 * input.h (restore_input_file_stack): Declare.
2688 (INPUT_FILE_STACK_BITS): Define.
2689 * toplev.c (fs_p, input_file_stack_history,
2690 input_file_stack_restored, restore_input_file_stack): New.
2691 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2692 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2693 (pop_srcloc): Don't free old state of stack.
2695 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2698 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2699 (PowerPC Type Attributes): New.
2701 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2703 * config/xtensa/xtensa.c (function_arg_boundary): New.
2704 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2706 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2707 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2709 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2712 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2715 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2717 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2718 (verify_local_live_at_start): Likewise.
2720 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2723 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2724 omp_add_variable): Treat sizes as variable whenever not
2727 2006-08-26 Richard Guenther <rguenther@suse.de>
2730 * fold-const.c (fold_binary): Fold temporary to correct
2731 type before constructing new comparison.
2733 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2736 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2737 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2739 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2742 * c-decl.c (start_function): Don't try to process prototype
2743 information from old declaration that isn't a function.
2745 2006-08-25 Jan Hubicka <jh@suse.cz>
2748 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2750 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2753 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2756 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2758 PR tree-optimization/16876
2759 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2760 exit if PARM doesn't match VALUE.
2762 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2764 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2765 literal_prefix directive.
2766 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2767 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2768 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2770 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2773 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2774 predicate to general_operand. Add 0->y and I->r alternatives.
2776 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2778 * doc/tm.texi: Fix a typo.
2779 * predict.c: Fix comment typos.
2781 2006-08-25 Nick Clifton <nickc@redhat.com>
2783 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2784 assertions of "cpu" and "machine".
2786 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2789 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2790 the access through a base which has an alias set of 0 cannot
2793 2006-08-24 Bill Wendling <wendling@apple.com>
2795 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2797 2006-08-24 Jan Hubicka <jh@suse.cz>
2799 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2801 2006-08-24 Jan Hubicka <jh@suse.cz>
2804 * cgraph.c: Fix comments.
2805 (cgraph_varpool_mark_needed_node): Mark only variables not already
2807 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2808 (cgraph_varpool_assembled_nodes_queue): New static variable.
2809 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2810 (cgraph_varpool_output_debug_info): New function.
2811 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2812 * Makefile.in: Add gt-cgraphunit.h
2814 2006-08-24 Jan Hubicka <jh@suse.cz>
2816 * predict.c (probability_reliable_p): New predicate.
2817 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2818 (predict_loops): Do not predict loop exit with less than 2%
2820 * basic-block.h (edge_probability_reliable_p,
2821 br_prob_note_reliable_p): Declare.
2822 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2823 prediction when static predictor is not reliable.
2824 * rs6000.c (output_cbranch): Likewise.
2826 2006-08-23 Stuart Hastings <stuart@apple.com>
2829 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2830 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2832 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2835 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2836 complex values, nor for generic vector values.
2838 2006-08-22 Richard Guenther <rguenther@suse.de>
2841 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2842 parameter. Convert arguments to arithmetic expression to the
2844 (analyze_scalar_evolution_1): Adjust caller.
2846 2006-08-22 Jan Hubicka <jh@suse.cz>
2848 Patch by Paolo Bonzini
2849 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2852 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2854 PR tree-optimization/28003
2855 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2856 before grouping aliases.
2858 2006-08-22 Roger Sayle <roger@eyesopen.com>
2860 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2861 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2863 2006-08-21 Jason Merrill <jason@redhat.com>
2866 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2867 wrapper. Loop to handle nested wrappers.
2868 (gimplify_bind_expr): Remove temp parameter.
2869 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2870 and STATEMENT_LIST on the rhs.
2871 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2872 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2873 (gimplify_target_expr): Remove special BIND_EXPR handling.
2875 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2877 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2880 2006-08-21 Olivier Hainque <hainque@adacore.com>
2882 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2883 Arrange for the temporary captures of components overlapping the lhs
2884 to happen before the lhs is possibly cleared.
2886 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2888 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2889 necessary places to pass the correct "number of registers" values
2892 2006-08-20 Jan Hubicka <jh@suse.cz>
2894 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2895 (create_name_tags): Instead of quadratic checking use hashtable.
2896 * bitmap.h: Include hashtab.h.
2897 (bitmap_hash): Declare.
2898 * bitmap.c (bitmap_hash): New function.
2900 2006-08-20 Jan Hubicka <jh@suse.cz>
2902 PR rtl-optimization/28071
2903 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2905 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2906 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2907 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2908 cgraph_decide_inlining_incrementally): Update use of
2909 cgraph_check_inline_limits.
2910 * cgraph.c (edge_hash, edge_eq): New function.
2911 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2912 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2913 cgraph_remove_node): Maintain call site hash.
2914 * cgraph.h (struct cgraph_node): Add call_site_hash.
2915 (cgraph_set_call_stmt): New function.
2917 2006-08-20 Jan Hubicka <jh@suse.cz>
2919 PR rtl-optimization/28071
2920 * reload1.c (reg_has_output_reload): Turn into regset.
2921 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2922 choose_reload_regs, emit_reload_insns): Update to new
2923 reg_has_output_reload.
2925 2006-08-20 Jan Hubicka <jh@suse.cz>
2928 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2929 function body sizes.
2930 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2932 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2935 * tree.c (handle_dll_attribute): Return early if not a
2936 var or function decl.
2938 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2941 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2942 alignment of SPE vector types.
2944 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2946 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2948 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2951 * cgraph.h (struct cgraph_node): Remove externally_visible
2953 * cgraphunit.c (process_function_and_variable_attributes): Set
2954 local.externally_visible rather than externally_visible.
2957 * c-common.c (handle_externally_visible_attribute): First look
2958 at TREE_CODE and only if it is function or var decl, check for
2959 non-public objects. Don't warn for DECL_EXTERNAL.
2960 * cgraphunit.c (process_function_and_variable_attributes): Warn
2961 if externally_visible attribute is used on non-public object.
2963 2006-08-17 Jan Hubicka <jh@suse.cz>
2965 PR tree-optimization/27865
2966 * reload1.c (forget_marked_reloads): New function.
2967 (forget_old_reloads_1): When data are passed, just mark the registers
2969 (reload_as_needed): Use the new mechanizm.
2971 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2974 * reload.h (reg_equiv_alt_mem_list): New declaration.
2975 * reload1.c (reg_equiv_alt_mem_list): New definition.
2976 (reload): Initialize it and release it.
2977 (delete_output_reload): Use it.
2978 * reload.c (push_reg_equiv_alt_mem): New function.
2979 (find_reloads_toplev): Call it.
2980 (find_reloads_address, find_reloads_address_1): Likewise.
2981 (find_reloads_subreg_address): Likewise.
2983 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2985 PR rtl-optimization/28489
2986 * sched-ebb.c (begin_schedule_ready): Create basic block
2988 (advance_target_bb): Skip empty blocks.
2989 * haifa-sched.c (bb_note): Make global.
2990 * sched-int.h (bb_note): Add prototype.
2992 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2994 PR tree-optimization/27865
2995 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2997 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2998 fold_used_pointer, pointer_used_p): New functions.
2999 (analyze_scalar_evolution_1): Use fold_used_pointer.
3000 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3001 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3004 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3007 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3008 or the INTEGER_CST. Fail on a CALL_EXPR.
3009 (fold_offsetof): Pass new argument to fold_offsetof_1.
3010 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3011 operand into an INDIRECT_REF.
3012 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3014 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3016 PR gcov/profile/26570
3017 * value-prof.c (static_values): Removed.
3018 (tree_find_values_to_profile): Do not set static_values.
3019 (find_values_to_profile): Do not free static_values.
3020 * profile.c (instrument_values): Do not free the values.
3021 (branch_prob): Free the values.
3023 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3025 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3027 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3030 * c-typeck.c (build_component_ref): Combine qualifiers of
3031 structure or union and field.
3033 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3035 PR rtl-optimization/28071
3036 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3037 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3038 * tree-into-ssa.c (struct dom_dfsnum): New.
3039 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3041 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3042 compute_global_livein.
3043 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3044 in phi nodes in the correct blocks.
3046 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3048 PR tree-optimization/28364
3049 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3051 (fold_affine_expr): New function.
3052 (may_eliminate_iv): Use fold_affine_expr.
3054 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3057 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3060 2006-08-16 Mike Stump <mrs@apple.com>
3062 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3063 * doc/cppopts.texi (-MD): Likewise.
3065 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3068 * c-common.c (handle_weak_attribute): Ignore and warn if
3069 not a FUNCTION_ or VAR_DECL.
3071 2006-07-15 Mike Stump <mrs@apple.com>
3074 * c-parser.c (c_parser_typeof_specifier): Don't use
3075 c_finish_expr_stmt, open code desired semantics instead.
3077 2006-08-15 Nick Clifton <nickc@redhat.com>
3079 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3080 fragment to tmake_file only if threads are enabled.
3081 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3082 * config/i386/t-gthr-win32: New file. ... here.
3084 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3087 * c-parser.c (c_parser_compound_statement_nostart): Reset
3088 parser->error after each statement.
3090 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3093 * omp-low.c (lower_omp_parallel): Convert t to
3094 receiver_decl's type.
3095 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3096 source before comparison.
3099 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3100 to itype in assignment to oldival2.
3102 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3106 * c-typeck.c (build_compound_expr): If the second expression
3107 is an error mark, then just return an error mark instead of
3108 creating a COMPOUND_EXPR.
3110 2006-07-14 Mike Stump <mrs@apple.com>
3112 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3114 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3116 * c-decl.c, var-tracking.c: Fix comment typos.
3118 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3120 PR rtl-optimization/28634
3121 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3122 for floating-point modes unless flag_unsafe_math_optimizations.
3124 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3125 Andrew Pinski <pinskia@physics.uc.edu>
3128 * tree.c (build_array_type): Unify array types with
3129 unspecified index_type.
3130 * c-decl.c (grokdeclarator): Make sure we do not modify a
3131 unified incomplete array type.
3132 * c-typeck.c (store_init_value): Create distinct type before
3133 filling in the index type in an initializer from a compound
3136 * c-decl.c (grokdeclarator): Remove code where we copy the
3139 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3141 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3142 into account for TODO_dump_cgraph.
3143 (TODO_update_ssa_no_phi): Likewise.
3144 (TODO_update_ssa_full_phi): Likewise.
3145 (TODO_update_ssa_only_virtuals): Likewise.
3146 (TODO_remove_unused_locals): Likewise.
3147 (TODO_set_props): Likewise.
3148 (TODO_update_stmt_usage): Likewise.
3150 2006-08-13 Dirk Mueller <dmueller@suse.de>
3152 * c-common.c (strict_aliasing_warning): Fix formatting.
3154 2006-08-13 Matthias Klose <doko@debian.org>
3156 * doc/invoke.texi: Fix spelling errors.
3158 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3160 PR rtl-optimization/23454
3161 * reorg.c (relax_delay_slots): Update comment.
3163 2006-08-11 Richard Guenther <rguenther@suse.de>
3166 * simplify-rtx.c (simplify_const_relational_operation):
3167 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3170 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3172 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3173 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3175 2006-08-10 Paul Brook <paul@codesourcery.com>
3177 * final.c (final_scan_insn): Clear current_insn_predicate before
3178 outputting inline asm.
3180 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3182 PR tree-optimization/26197
3183 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3184 get_ref_base_and_extent and overlap_subvar to add only relevant
3185 subvars as may-aliases.
3186 (add_may_alias_for_new_tag): New function, factored out of
3188 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3189 with additional argument.
3190 * tree-flow.h (new_type_alias): Takes additional argument.
3192 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3194 * gcov.c (no_data_file): New flag.
3195 (read_count_file): Set it if data file not present. Assume counts
3197 (output_lines): Don't name the data file, if there wasn't one.
3199 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3201 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3202 (rs6000_generate_compare): Tweak comments.
3203 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3205 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3207 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3208 (var_debug_decl): New function.
3209 (var_reg_set): Follow debug decl link. Add location even if
3210 reg is already known to hold some other variable.
3211 (var_mem_set): Follow debug decl link.
3212 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3213 decl link. Delete other known locations of the variable part
3215 (var_reg_delete, var_mem_delete): Delete other known locations
3216 of the variable part if requested.
3217 (same_variable_part_p): New function.
3218 (add_stores): Select MO_COPY when appropriate.
3219 (vt_initialize): Handle it.
3220 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3221 known locations for MO_SET and MO_CLOBBER.
3222 (find_variable_location_part): New function.
3223 (set_variable_part, delete_variable_part): Use it.
3224 (clobber_variable_part): New function.
3225 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3228 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3230 PR tree-optimization/26969
3231 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3232 with an empty list of PHIs.
3234 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3238 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3241 2006-08-06 Andreas Schwab <schwab@suse.de>
3243 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3244 string. Whitespace and comment fixup.
3246 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3249 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3253 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3256 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3258 2006-08-04 Jan Hubicka <jh@suse.cz>
3262 * reload.c (push_reload): Patch out the mismatching instruction;
3264 (find_reload): Bail out if the instruction was patched out.
3266 2006-08-04 Jan Hubicka <jh@suse.cz>
3268 PR tree-optimization/24888
3269 * tree-inline.c (expand_call_inline): Do not re-record variables.
3270 (declare_inline_vars): Add variable to unexpanded_var_list.
3272 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3273 Roger Sayle <roger@eyesopen.com>
3275 PR rtl-optimization/26244
3276 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3277 inner_const are negative or greater than or equal to the bitsize of
3278 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3279 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3280 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3281 CONST0_RTX (mode) when the new shift count is greater than or equal to
3282 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3285 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3287 * tree-cfg.c: Fix a comment typo.
3289 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3292 * varasm.c (output_constant): Give the front end another chance to
3293 expand constants, after stripping NOPs.
3295 2006-08-03 Jan Hubicka <jh@suse.cz>
3297 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3300 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3302 PR tree-optimization/27770
3303 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3304 declaration removed (moved to tree-flow.h).
3305 (vect_can_force_dr_alignment_p): Likewise.
3306 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3307 (moved from tree-vectorizer.h).
3308 (vect_can_force_dr_alignment_p): Likewise.
3309 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3310 from outside the vectorizer - in particular from cgraph stage.
3311 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3312 the alignment of global arrays when -fsection-anchors is enabled.
3313 * cgraphunit.c (cgraph_increase_alignment): New function.
3314 (cgraph_optimize): Call cgraph_increase_alignment.
3316 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3319 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3320 not reload a SPE symbol_ref into a lo_sum address.
3322 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3325 * dwarf2out.c (prune_unused_types_prune): Move call to
3326 prune_unused_types_update_strings to cover the parent DIE also.
3328 2006-08-02 Jan Hubicka <jh@suse.cz>
3330 PR gcov/profile/28480
3331 * tree-cfg.c (change_bb_for_stmt): New function.
3332 (tree_merge_blocks, tree_split_blocks): Use it.
3334 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3340 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3341 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3342 (cgraph_optimize): Likewise.
3344 2006-08-01 Stuart Hastings <stuart@apple.com>
3346 * rtl.h (UINTVAL) New.
3347 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3348 * testsuite/gcc.dg/20060801-1.c: New.
3350 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3353 * c-typeck.c (build_external_type): Mark used enum types.
3354 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3356 (gen_subprogram_die): Whitespace fix.
3358 2006-08-01 Jan Hubicka <jh@suse.cz>
3360 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3361 bitmap when not needed.
3362 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3365 2006-08-01 Dirk Mueller <dmueller@suse.de>
3367 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3369 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3371 * Makefile.in: Revert part of previous patch:
3372 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3375 2006-07-30 Eric Christopher <echristo@apple.com>
3378 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3379 (PowerPC Variable Attributes): New section.
3381 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3383 PR target/28126 (partial fix)
3384 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3386 2006-07-28 Jan Hubicka <jh@suse.cz>
3388 PR rtl-optimization/28071
3389 * cfgrtl.c (rtl_delete_block): Free regsets.
3390 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3392 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3394 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3395 and variables used in dependencies.
3397 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3399 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3400 %fs for -mcmodel=kernel.
3401 (stack_tls_protect_test_di): Likewise.
3403 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3405 * Makefile.in: Use mkinstalldirs.
3407 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3410 * opts-common.c (prune_options): Skip joined switches.
3412 2006-07-27 Jan Hubicka <jh@suse.cz>
3414 PR rtl-optimization/28071
3415 * cselib.c (cselib_process_insn): Don't remove useless values too
3416 often for very large hashtables.
3418 2006-07-27 Jan Hubicka <jh@suse.cz>
3420 PR rtl-optimization/28071
3421 * global.c (greg_obstack): New obstack.
3422 (allocate_bb_info): Use it.
3423 (free_bb_info): Likewise.
3424 (modify_reg_pav): Likewise.
3426 2006-07-27 Roger Sayle <roger@eyesopen.com>
3428 * builtins.c (fold_fixed_mathfn): When long and long long are the
3429 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3430 functions to their lceil*, lfloor*, lround* and lrint* forms.
3432 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3435 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3437 (rev_branch_insn): Likewise.
3439 2006-07-27 Jan Hubicka <jh@suse.cz>
3441 PR rtl-optimization/28071
3442 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3443 (reg_set_in_bb, max_reg_computed): New static variables.
3444 (regmove_optimize): Free the new array.
3445 (fixup_match_1): Update call of reg_is_remote_constant_p.
3447 2006-07-26 Jan Hubicka <jh@suse.cz>
3449 PR tree-optimization/27882
3450 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3452 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3454 (cgraph_analyze_compilation_unit): Likewise.
3455 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3456 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3457 (cgraph_early_inlinine): Make order garbage collected.
3458 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3460 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3462 * dbxout.c (output_types_sort): Add a comment.
3463 (output_used_types): Free the VEC.
3465 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3467 * function.c (reorder_fix_fragments): Delete.
3468 (reorder_blocks): Don't call it.
3469 (reorder_blocks_1): Put all subblocks under the origin block.
3471 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3473 PR rtl-optimization/27907
3474 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3477 2006-07-25 Roger Sayle <roger@eyesopen.com>
3480 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3481 bar(x) check that bar's result type can represent all the values of T.
3483 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3485 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3487 2006-07-25 Nick Clifton <nickc@redhat.com>
3489 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3490 size_lookup[] array.
3491 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3492 (ggc_pch_count_object): Likewise.
3493 (ggc_pch_alloc_object): Likewise.
3494 (ggc_pch_write_object): Likewise.
3495 (init_ggc): Do not attempt to initialize entries in the
3496 size_lookup[] array for objects whose size is greater than than
3497 the length of the array.
3499 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3501 * dbxout.c (output_used_types_helper): Push queued types
3503 (output_types_sort): New.
3504 (output_used_types): Collect used types on a VEC and sort them
3507 2006-07-24 Richard Guenther <rguenther@suse.de>
3510 * cgraph.c (cgraph_remove_node): Do not check if dumps
3512 * cgraphunit.c (cgraph_optimize): Likewise.
3514 2006-07-24 Jan Hubicka <jh@suse.cz>
3516 PR rtl-optimization/28071
3517 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3518 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3519 splitting before first stmt.
3521 2006-07-24 Jan Hubicka <jh@suse.cz>
3523 PR rtl-optimization/28071
3524 * ipa-inline.c (update_caller_keys): Remove edges that
3525 are no longer inline candidates.
3527 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3530 * dbxout.c (output_used_types_helper, output_used_types): New.
3531 (dbxout_symbol): Call output_used_types.
3533 2006-07-23 Jan Hubicka <jh@suse.cz>
3537 * cgraph.c (cgraph_varpool_nodes): Export.
3538 (decide_is_variable_needed): Ignored "used" attribute in
3539 unit-at-a-time mode.
3540 * cgraph.h (cgraph_varpool_nodes): Declare.
3541 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3542 unit-at-a-time mode.
3544 2006-07-23 Roger Sayle <roger@eyesopen.com>
3547 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3548 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3549 the __gthrw form of thr_keycreate.
3550 (__gthread_key_delete): Silence the unused argument warning.
3552 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3555 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3556 Cache the last found '\0' marker to avoid quadratic behavior.
3558 2006-07-23 Jan Hubicka <jh@suse.cz>
3560 * i386.md (subsi_3_zext): Fix output template.
3562 2006-07-21 Mike Stump <mrs@apple.com>
3564 * doc/invoke.texi (C++ Dialect Options): Note that
3565 -fvisibility-inlines-hidden doesn't affect explicitly
3566 instantiationed inline methods.
3568 2006-07-20 Roger Sayle <roger@eyesopen.com>
3570 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3571 if the target assembler is GNU binutils' gas.
3572 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3573 whether to pass GNU gas or native as command line options.
3575 2006-07-20 Jason Merrill <jason@redhat.com>
3577 * tree.c (remove_attribute): New fn.
3578 * tree.h: Declare it.
3580 2006-07-20 Paul Brook <paul@codesourcery.com>
3583 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3584 they are invalidated by this instruction.
3586 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3589 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3591 2006-07-20 Eric Christopher <echristo@apple.com>
3594 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3596 2006-07-19 Eric Christopher <echristo@apple.com>
3598 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3599 Rewrite dependencies for libgcc_s.1.dylib.
3601 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3603 * except.c (duplicate_eh_regions_1): Clear next_peer.
3605 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3607 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3608 -mlongcall does not guarantee all calls will be long.
3609 * doc/extend.texi (long_call/short_call): Document that longcall
3610 does not guarantee a long call will be used.
3611 (longcall/shortcall): Likewise.
3613 2006-07-18 Roger Sayle <roger@eyesopen.com>
3616 * expmed.c (expand_shift): Additionally check that the shift_cost
3617 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3618 before implementing a LSHIFT_EXPR as a sequence of additions.
3619 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3620 middle-end that DImode shifts need to be synthesized by expand.
3622 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3625 * tree-ssa-operands.c (access_can_touch_variable): Update
3627 Return true if ALIAS is .GLOBAL_VAR.
3629 2006-07-18 David Daney <ddaney@avtrex.com>
3631 * gcc.c (display_help): Fix typo in help text.
3633 2006-07-18 Olivier Hainque <hainque@adacore.com>
3635 * tree.h (categorize_ctor_elements): Adjust prototype and add
3636 descriptive comment, both in accordance with the interface change
3638 * varasm.c (constructor_static_from_elts_p): New function.
3639 Whether a constructor node is a valid static constant initializer
3640 if all its elements are.
3641 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3642 * output.h: Declare it.
3643 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3644 is a valid constant initializer instead of computing the number of
3645 non-constant elements. Use constructor_static_from_elts_p for this
3646 purpose. Replace the head comment with an indication that this is a
3647 helper for categorize_ctor_elements.
3648 (categorize_ctor_elements): Same interface change as for the _1
3649 helper. Former head comment from this helper moved here, adjusted to
3650 account for the interface changes.
3651 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3652 (all_zeros_p): Likewise.
3653 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3654 static versions of the constructor from the categorize_ctor_elements
3655 return value instead of the formerly computed number of non-constant
3658 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3660 * configure: Regenerate.
3661 * Makefile.in (build_libsubdir): New configure substitution
3662 (build_libobjdir): New variable.
3663 (BUILD_LIBIBERTY): Use it.
3665 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3668 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3670 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3673 * c-common.c (handle_weakref_attribute): Ignore attribute in
3674 the same conditions the alias attribute is ignored.
3676 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3678 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3679 (dbxout_begin_prologue): Increment scope_labelno.
3681 2006-07-17 Richard Henderson <rth@redhat.com>
3684 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3687 2006-07-17 Roger Sayle <roger@eyesopen.com>
3688 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3690 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3691 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3692 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3693 functions such as sbrk, write, etc.. Add function prototypes.
3694 Convert function declarations from K&R to ISO C. Cast pointers
3695 to "long" and "unsigned long" instead of "int" and "unsigned int".
3696 Convert tokens following #endif into comments.
3698 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3700 * invoke.texi: Remove mention of f77; Reformat table for
3701 inline parameter options correctly; mention that -malign-double
3702 is default on x86-64 targets.
3704 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3706 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3707 (convert_affine_scev, chrec_convert_aggressive): Use
3708 avoid_arithmetics_in_type_p. Do not check for the subtypes
3711 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3714 * optabs.c (expand_doubleword_shift): Wrap the call to
3715 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3717 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3720 * optabs.c (expand_binop): Pass next_methods rather than methods
3721 to expand_doubleword_shift.
3723 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3726 * tree.h (dump_addr): Declare.
3727 * print-tree.c (dump_addr): New function.
3728 (print_node_brief, print_node): Use it.
3729 * print-rtl.c (print_rtx): Likewise.
3730 * common.opt (-fdump-noaddr): New option.
3731 * doc/invoke.texi (-fdump-noaddr): Document.
3732 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3733 (ve_info_hash): Likewise.
3735 2006-07-13 Andrew Haley <aph@redhat.com>
3737 PR tree-optimization/19505
3738 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3739 edge leaving this block, make sure that the destination of this
3740 block has only one predecessor.
3742 2006-07-17 Richard Guenther <rguenther@suse.de>
3744 PR tree-optimization/28238
3745 * tree-inline.c (copy_bb): Check if we produced valid
3746 gimple copying and substituting a stmt. If not, gimplify
3749 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3751 * optabs.c (maybe_encapsulate_block): New function extracted from...
3752 (emit_libcall_block): ...here. Invoke it on the block of insns to
3753 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3754 (emit_no_conflict_block): Likewise.
3756 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3758 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3760 2006-07-15 Roger Sayle <roger@eyesopen.com>
3762 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3763 a new NOP_EXPR case of the switch statement.
3765 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3768 * stor-layout.c (place_field): Take the bit field with
3769 an excessive size into account in the ms-bitfiled case.
3772 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3773 the previous bit field.
3775 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3778 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3780 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3782 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3783 signal frames correctly even when the signal was installed with
3786 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3788 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3789 (dbxout_function_end): Use local label LFBB. Remove hook
3791 (dbxout_source_line): Use local label LFBB.
3792 (dbxout_block): Likewise.
3793 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3794 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3795 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3796 and DBX_OUTPUT_NFUN.
3798 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3800 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3802 2006-07-13 Jan Hubicka <jh@suse.cz>
3804 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3806 * output.h (align_variable): Declare.
3807 * varasm.c (align_variable): Export.
3808 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3809 when basic block changed.
3811 2006-07-13 Nick Clifton <nickc@redhat.com>
3813 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3814 walking the LOG_LINKS chain.
3816 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3818 * doc/invoke.texi (C++ Dialect Options): Explain difference
3819 between -fvisibility-inlines-hidden and setting hidden
3820 visibility explicitly.
3822 2006-07-12 Eric Christopher <echristo@apple.com>
3824 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3825 (stmp-lipo): Depend on libgcc.a.
3827 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3829 * tree.c: Fix a comment typo.
3831 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3833 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3835 (umulhisi3_r): Likewise.
3837 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3840 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3841 x < 19, vs wchar_t support.
3843 2006-07-12 Nick Clifton <nickc@redhat.com>
3845 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3846 instead of -isa=sh4.
3848 2006-07-12 Mike Stump <mrs@apple.com>
3850 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3852 2006-07-10 Eric Christopher <echristo@apple.com>
3854 * config/t-slibgcc-darwin: Rewrite.
3856 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3859 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3862 2006-07-08 Matthias Klose <doko@debian.org>
3864 * doc/sourcebuild.texi: Fix typo.
3866 2006-07-07 Mike Stump <mrs@apple.com>
3868 * toplev.c (process_options): Don't give -ffunction-sections may
3869 affect debugging warning for Mach-O.
3871 2006-07-07 James E Wilson <wilson@specifix.com>
3873 * config/mips/mips.md (cpu): Add sb1a.
3874 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3875 addition to sb1. Adjust comments to clarify SB-1A differences from
3877 (ir_sb1a_load): New. Modify bypasses to use it.
3878 (ir_sb1a_simple_alu): Likewise.
3879 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3880 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3881 (mips_issue_rate): Add PROCESSOR_SB1A.
3882 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3883 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3884 (TARGET_SB1): Add PROCESSOR_SB1A check.
3885 (TUNE_SB1): Likewise.
3887 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3888 * config/mips/mips.c (mips_store_data_bypass_p): New.
3889 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3890 store_data_bypass_p.
3892 2006-07-08 Paul Brook <paul@codesourcery.com>
3895 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3897 2006-07-07 Richard Guenther <rguenther@suse.de>
3900 * tree.h (build_one_cst): Declare.
3901 * tree.c (build_one_cst): New function.
3902 * tree-ssa-math-opts.c (get_constant_one): Remove.
3903 (insert_reciprocals): Use build_one_cst.
3904 * fold-const.c (fold_plusminus_mult): Likewise.
3906 2006-07-07 Roger Sayle <roger@eyesopen.com>
3908 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3909 * cfgloopanal.c (dump_graph): Likewise.
3910 * dojump.c (discard_pending_stack_adjust): Likewise.
3911 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3913 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3914 * function.c (finalize_block_changes): Likewise.
3915 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3916 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3917 * rtl.c (dump_rtx_statistics): Likewise.
3918 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3920 * varray.c (dump_varray_statistics): Likewise.
3921 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3922 decode_decimal64, encode_decimal128, decode_decimal128,
3923 decimal_real_to_decimal): Likewise.
3925 2006-07-07 Richard Guenther <rguenther@suse.de>
3927 PR tree-optimization/28187
3928 * tree-vrp.c (vrp_operand_equal_p): New function.
3929 (vrp_bitmap_equal_p): Likewise.
3930 (update_value_range): Use them to compare old and new
3933 2006-07-06 Roger Sayle <roger@eyesopen.com>
3935 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3936 a default case to switch statement to silence compiler warnings.
3938 2006-07-06 Roger Sayle <roger@eyesopen.com>
3941 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3942 the configured assembler supports the x87's ffreep mnemonic.
3943 * configure: Regenerate.
3944 * config.in: Regenerate.
3946 * config/i386/i386.c (output_387_ffreep): New function.
3947 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3948 (output_387_reg_move): Likewise.
3950 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3952 Port to hosts whose 'sort' and 'tail' implementations
3953 treat operands with leading '+' as file names, as POSIX
3954 has required since 2001. However, make sure the code still
3955 works on pre-POSIX hosts.
3956 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3957 which says you should use "tail -c +N" rather than "tail +Nc".
3958 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3960 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3962 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3965 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3968 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3969 PRE_{INC,DEC} of TFmode.
3971 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3972 Alan Modra <amodra@bigpond.net.au>
3975 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3978 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3981 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3982 Remove duplicate gtu.
3984 2006-07-05 Jason Merrill <jason@redhat.com>
3988 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3989 * c-common.c (handle_packed_attribute): So don't copy it here.
3990 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3992 2006-07-05 Mike Stump <mrs@apple.com>
3994 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3996 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3999 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4001 2006-07-05 Richard Guenther <rguenther@suse.de>
4004 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4005 TARGET_SSE2 targets if using SSE math.
4006 (*absdf2_1): Likewise.
4008 2006-07-05 Richard Guenther <rguenther@suse.de>
4010 PR tree-optimization/28162
4011 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4012 make sure to convert the operands to the correct type.
4014 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4016 PR tree-optimization/28218
4018 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4019 to calculate and free the dominator information.
4021 2006-07-04 Peter O'Gorman <peter@pogma.com>
4023 * mklibgcc.in: chmod 644 before ranlib during install.
4025 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4026 J"orn Rennecke <joern.rennecke@st.com>
4028 * configure.ac (.eh_frame data check): Use diff -b.
4030 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4033 * Makefile.in (BUILD_RTL): Add build/vec.o.
4034 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4035 (build/genextract): Delete.
4036 (build/genautomata): Likewise.
4038 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4041 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4042 128-bit IBM long doubles for ABI_V4.
4044 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4046 * tree.c (range_in_array_bounds_p): New predicate.
4047 * tree.h (range_in_array_bounds_p): Declare it.
4048 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4049 return a less conservative answer.
4050 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4051 and flag 'is_group'.
4052 (IS_ELEMENT_FOR_GROUP): New macro.
4053 (FOR_EACH_ACTUAL_CHILD): Likewise.
4054 (next_child_for_group): New helper function.
4055 (can_completely_scalarize_p): Take into account groups.
4056 (sra_hash_tree): Handle RANGE_EXPR.
4057 (sra_elt_eq): Likewise.
4058 (lookup_element): Be prepared for handling groups.
4059 (is_valid_const_index): Delete.
4060 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4061 instead of is_valid_const_index.
4062 <ARRAY_RANGE_REF>: New case.
4063 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4064 is_valid_const_index.
4065 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4066 (scan_dump): Dump info for groups too.
4067 (decide_instantiation_1): Likewise.
4068 (decide_block_copy): Assert that the element is not a group.
4069 Propagate decision to groups.
4070 (generate_one_element_ref): Handle RANGE_EXPR.
4071 (mark_no_warning): Iterate over actual childs.
4072 (generate_copy_inout): Likewise.
4073 (generate_element_copy): Likewise.
4074 (generate_element_zero): Likewise.
4075 (generate_element_init_1): Likewise.
4076 (dump_sra_elt_name): Handle RANGE_EXPR.
4078 2006-07-03 Roger Sayle <roger@eyesopen.com>
4080 PR tree-optimization/26251
4081 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4082 (thread_block): When optimizing for size refuse to thread jumps
4083 that would require duplication of blocks other than redirection
4086 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4088 * configure.ac: Fix thinko in previous check-in.
4089 * configure: Regenerate.
4091 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4094 * configure.ac (for lang...): Simplify nesting of conditionals.
4095 Test subdir_requires for non-enabled languages. Move processing
4096 of lang_opt_files and lang_tree_fiels below that test.
4097 * configure: Regenerate.
4098 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4100 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4102 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4104 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4106 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4109 2006-06-29 Jason Merrill <jason@redhat.com>
4116 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4117 * c-common.c (c_determine_visibility): Handle it here.
4118 * c-decl.c (finish_decl): Call c_determine_visibility for
4120 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4122 * varasm.c (default_assemble_visibility): Likewise.
4123 * c-common.c (handle_visibility_attribute): Complain about trying
4124 to give visibility to an already defined class, or trying to change
4125 declared visibility. Always attach the attribute.
4130 * attribs.c (decl_attributes): Ignore type-in-place attributes
4131 once the type has been defined.
4133 2006-06-29 Roger Sayle <roger@eyesopen.com>
4136 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4137 to indicate the cpplib has issued an error message for us.
4139 2006-06-29 Asher Langton <langton2@llnl.gov>
4142 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4143 insert a label at the end of an function under Mach-O.
4145 2006-06-29 Eric Christopher <echristo@apple.com>
4146 Evan Cheng <evan.cheng@apple.com>
4148 * predicates.md (vector_all_ones_operand): New.
4149 (nonimmediate_or_sse_const_operand): Ditto.
4150 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4151 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4152 (standard_sse_mode_p): Ditto.
4153 (standard_sse_constant_p): Add case for -1 vector.
4154 (ix86_expand_vector_move): Try to use.
4155 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4156 Call standard_sse_constant_opcode.
4157 (*movv4sf_internal): Ditto.
4158 (*movv2df_internal): Ditto.
4160 2006-06-29 Roger Sayle <roger@eyesopen.com>
4162 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4163 of XEXP to extract the operands of a MATCH_CODE rtx.
4165 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4167 * tree.c (tree_size): Do not waste tail padding in
4168 struct tree_string and make the size be the same as
4169 build_string will generate.
4171 2006-06-28 Jason Merrill <jason@redhat.com>
4174 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4175 may_aliases already in the tag's annotations to the bitmap.
4177 2006-06-28 Roger Sayle <roger@eyesopen.com>
4179 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4181 2006-06-28 Roger Sayle <roger@eyesopen.com>
4183 * genpreds.c (generate_switch_p): New function.
4184 (add_mode_tests): Push the new mode test down inside an AND expr
4185 if this allows the switch-suitable MATCH_CODE to be near the root.
4186 (write_match_code_switch): New function to write a MATCH_CODE as
4188 (write_predicate_stmts): New function to write a predicate RTX
4189 expression as a sequence of statements.
4190 (write_one_predicate_function): Use write_predicate_stmts.
4191 (write_tm_constrs_h): Likewise.
4193 2006-06-26 Fred Fish <fnf@specifix.com>
4195 * config/mips/t-sb1: New file.
4196 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4199 2006-06-26 DJ Delorie <dj@redhat.com>
4201 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4203 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4204 Jayant Sonar <jayants@kpitcummins.com>
4205 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4207 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4208 (subsi3, subsi3_1, subsi3_2): New.
4209 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4210 * config/m32c/mov.md (SI mov peephole): New.
4211 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4212 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4214 2006-06-26 Olivier Hainque <hainque@adacore.com>
4216 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4217 a CALL_EXPR target function declaration.
4219 2006-06-26 Richard Guenther <rguenther@suse.de>
4221 * tree.c (build_string): Do not waste tail padding in
4224 2006-06-26 Richard Guenther <rguenther@suse.de>
4226 * ggc-page.c (init_ggc): Add missing element to size_lookup
4230 2006-06-23 Richard Guenther <rguenther@suse.de>
4232 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4233 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4234 alignment requests instead. Add verification code.
4235 Add struct tree_function_decl and struct tree_binfo size to
4236 extra_order_size_table. Add missing element to size_lookup
4239 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4242 * fold-const.c (const_binop): Be prepared for self returning zero.
4243 Simplify code handling complex values.
4245 2006-06-24 Olivier Hainque <hainque@adacore.com>
4247 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4248 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4251 2006-06-24 Olivier Hainque <hainque@adacore.com>
4253 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4254 ARRAY_REF, so have the callback called for the low bound expression.
4256 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4258 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4259 * c-typeck.c (c_common_type): Disallow operations on decimal float
4260 types and other float types.
4261 * convert.c (convert_to_real): Don't ignore conversions involving
4262 decimal float types.
4264 2006-06-23 Olivier Hainque <hainque@adacore.com>
4266 * tree.c (max_int_size_in_bytes): New function, inspired from
4267 code in function.c:assign_temp.
4268 * tree.h (max_int_size_in_bytes): Declare.
4269 * function.c (assign_temp): Use it.
4270 * gimplify.c (create_tmp_var): Relax the assertions on the type
4271 properties, not mandating constant size any more.
4272 (force_constant_size): New static function.
4273 (gimple_add_tmp_var): Use it, forcing variable size to a
4274 constant upper bound if it is not constant on entry.
4276 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4279 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4280 for initialization and setting of one_only flag to ...
4281 (i386_pe_encode_section_info): ...here.
4282 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4283 Recheck that the symbol has not been defined.
4285 2006-06-23 Richard Guenther <rguenther@suse.de>
4287 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4288 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4289 alignment requests instead. Add verification code.
4290 Add struct tree_function_decl and struct tree_binfo size to
4291 extra_order_size_table. Add missing element to size_lookup
4294 2006-06-22 Roger Sayle <roger@eyesopen.com>
4295 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4298 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4299 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4301 2006-06-23 Ben Elliston <bje@au.ibm.com>
4303 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4304 negate dn -- manipulate it directly.
4306 2006-06-22 Roger Sayle <roger@eyesopen.com>
4307 Steven Bosscher <stevenb.gcc@gmail.com>
4310 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4311 generated by gen_move_insn to add REG_LABEL notes if necessary.
4313 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4315 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4316 (leaf_entry): Remove use of MIN_ESA.
4318 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4320 PR rtl-optimization/28121
4321 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4324 2006-06-21 DJ Delorie <dj@redhat.com>
4326 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4328 (mulhisi3_r): Likewise.
4330 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4333 * coverage.c (coverage_counter_alloc): Leave the index type
4335 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4338 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4340 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4341 section from the "Options for Code Generation Conventions".
4343 2006-06-21 Richard Henderson <rth@redhat.com>
4347 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4349 (global_symbolic_operand): Allow weak symbols, even if local_p.
4351 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4353 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4354 (find_interesting_uses_address): Punt if above function returns true.
4356 2006-06-21 Richard Guenther <rguenther@suse.de>
4358 * configure: Regenerated.
4360 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4362 * config/mips/mips.c (function_arg): Where one part of a
4363 complex argument is in registers and the other part in the stack,
4364 return a REG not a PARALLEL.
4366 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4368 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4369 when cross-compiling. Do not substitute libstdcxx_incdir.
4370 * configure: Regenerated.
4372 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4374 * varasm.c (mergeable_string_section): Check for embedded NULs and
4375 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4376 rather than TREE_STRING_LENGTH bytes.
4378 2006-06-21 Richard Guenther <rguenther@suse.de>
4380 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4381 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4384 2006-06-21 Richrad Guenther <rguenther@suse.de>
4386 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4387 Limit iteration over the dominators.
4389 2006-06-20 Roger Sayle <roger@eyesopen.com>
4391 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4392 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4394 2006-06-20 Richard Guenther <rguenther@suse.de>
4395 Michael Matz <matz@suse.de>
4397 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4399 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4400 * et-forest.h (et_free_pools): Prototype new function.
4401 * et-forest.c (et_free_tree_force): Free parent occurrence.
4402 (et_free_pools): New function.
4403 * dominance.c (free_dominance_info): Free et-forest alloc
4406 2006-06-20 Roger Sayle <roger@eyesopen.com>
4408 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4409 integer modes, attempt to directly construct an integer constant.
4411 * fold-const.c (native_encode_vector): Determine the size of each
4412 element from the vector type instead of the first vector element.
4414 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4415 if all of its elements/components are constant.
4416 (build_constructor_from_list): Likewise.
4418 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4420 PR tree-optimization/27331
4421 * tree-data-ref.c (free_data_ref): New function.
4422 (create_data_ref): Fail if the data reference has unknown access
4424 (free_data_refs): Use free_data_ref.
4426 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4429 * tree-inline.c (setup_one_parameter): Strip useless
4430 type conversion before adding it to the IR.
4431 (declare_return_variable): Likewise.
4433 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4436 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4438 2006-06-19 Mike Stump <mrs@apple.com>
4440 * tree.c (variably_modified_type_p): VM arguments don't make the
4443 2006-06-19 Richard Guenther <rguenther@suse.de>
4445 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4446 type conversions after folding.
4448 2006-06-19 Richard Guenther <rguenther@suse.de>
4450 * ggc-page.c (extra_order_size_tab): Add entries with
4451 size of struct function and basic_block.
4452 (size_lookup): Extend to cover sizes up to 511.
4453 (ggc_alloc_stat): Adjust user.
4454 (ggc_pch_count_object): Likewise.
4455 (ggc_pch_alloc_object): Likewise.
4456 (ggc_pch_write_object): Likewise.
4458 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4460 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4461 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4464 2006-06-19 Denis Chertykov <denisc@overta.ru>
4466 * config/avr/libgcc.S : Correct my wrong previous commit.
4468 2006-06-19 Roger Sayle <roger@eyesopen.com>
4471 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4472 have stripped a SUBREG from the shift count, so we may need to
4473 convert_to_mode back to the type's mode before calling make_tree.
4474 Use new_amount instead of amount to avoid expanding a tree twice.
4476 2006-06-19 Richard Guenther <rguenther@suse.de>
4479 * fold-const.c (operand_equal_p): Check if the argument types
4480 have the same precision before stripping NOPs.
4482 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4484 Fix PR tree-optimization/27341
4485 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4487 * tree-complex.c (pass_lower_complex): Update SMT usage.
4489 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4491 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4492 Add a new alternative to the constraint strings. Add move of
4493 operand 1 to 3 to the splitter definition.
4494 ("doloop_si_long"): Second contraint alternative removed.
4496 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4498 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4499 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4501 (AVR_HAVE_MOVW) Define.
4502 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4503 (ASM_SPEC): Add avr25.
4504 (LINK_SPEC): Add avr25.
4505 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4506 (base_arch_s): Add new member 'have_movw_lpmx'.
4507 (avr_arch_types): Init 'have_movw_lpmx'.
4508 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4509 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4510 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4511 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4512 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4514 (avr_file_start): Do not output '.arh' derective.
4515 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4516 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4517 * config/avr/avr.md (mcu_enhanced): Delete.
4518 (mcu_have_movw): Define.
4519 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4520 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4521 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4522 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4523 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4524 attiny861 and at86rf401 devices.
4526 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4528 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4531 2006-06-17 Karl Berry <karl@gnu.org>
4533 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4534 doc/gccint.texi, doc/install.texi (@dircategory): Use
4535 "Software development" instead of "Programming", following
4536 the Free Software Directory.
4538 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4540 * config/i386/i386.c (legitimate_tls_address)
4541 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4542 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4543 (*tls_dynamic_gnu2_combine_64): Likewise.
4545 2006-06-16 Richard Guenther <rguenther@suse.de>
4548 * fold-const.c (negate_expr_p): Do not introduce undefined
4549 overflow in negating INTEGER_CSTs.
4550 (fold_negate_expr): Rename from negate_expr. Revert last
4551 change for folding BIT_NOT_EXPR. Change semantics to
4552 return NULL_TREE for non-simplified negations. Do not
4553 strip type conversions and unify type handling.
4554 (negate_expr): New function, wrap around fold_negate_expr
4555 but ensure building a tree always. Strip type conversions
4556 here, fold to result type.
4557 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4559 2006-06-16 Roger Sayle <roger@eyesopen.com>
4562 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4563 that (would) return their results in stack registers.
4565 2006-06-16 Michael Matz <matz@suse.de>
4566 Richard Guenther <rguenther@suse.de>
4568 * fold-const.c (fold_truthop): Only return new tree node if
4569 we canonicalized something.
4571 2006-06-16 Richard Guenther <rguenther@suse.de>
4573 * function.h (enum function_frequency): Move declaration
4574 out of struct function.
4575 (struct function): Move bool fields and the enum to the bitfield
4576 section. Reorder elements to avoid padding. Remove unused
4577 fields left over from the RTL inliner removal.
4578 * function.c (free_after_compilation): Do not zero removed fields.
4579 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4580 (ipa-type-escape.o): Likewise.
4582 2006-06-16 Richard Guenther <rguenther@suse.de>
4584 * cgraph.h (struct cgraph_local_info): Turn bool elements
4586 (struct cgraph_node): Likewise.
4587 (struct cgraph_varpool_node): Likewise.
4589 2006-06-15 Richard Guenther <rguenther@suse.de>
4591 * fold-const.c (fold_truth_not_expr): Rename from
4592 invert_truthvalue. Give it fold_* semantics to avoid
4594 (invert_truthvalue): New function. Wrapper around
4595 fold_truth_not_expr.
4596 (optimize_minmax_comparison): Avoid creating garbage.
4597 (fold_unary): Use fold_truth_not_expr for folding
4599 (fold_ternary): Replace uses of invert_truthvalue with
4600 fold_truth_not_expr where applicable.
4601 * tree.h (fold_truth_not_expr): Prototype.
4603 2006-06-16 Richard Guenther <rguenther@suse.de>
4605 PR tree-optimization/27781
4606 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4607 * ipa-pure-const.c (target.h): Include.
4608 (analyze_function): Do not analyze functions that do not
4611 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4614 * tree-dfa.c (referenced_vars_dup_list): Remove.
4615 (find_referenced_vars): Remove assert.
4616 (referenced_var_check_and_insert): Replace dup list with assert.
4617 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4618 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4620 2006-06-15 Richard Guenther <rguenther@suse.de>
4622 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4623 extra unused identifiers if not dumping.
4624 (create_variable_info_for): Likewise.
4626 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4628 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4629 (derive_constant_upper_bound): Derive more precise upper bound in
4630 common cases. Return type changed to double_int.
4631 (record_estimate): Reflect the changed return type of
4632 derive_constant_upper_bound.
4633 * double-int.c (double_int_zext, double_int_sext): Fix.
4635 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4637 * configure.ac (CFLAGS): Get them from the toplevel or from the
4638 configure invocation.
4639 * configure: Regenerate.
4640 * Makefile.in (CFLAGS): Substitute value provided by configure.
4642 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4645 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4646 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4647 rather than calling add_stmt on it.
4648 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4650 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4653 * reload1.c (reload): Remove registers returned by update_eliminables
4654 from used_spill_regs.
4656 2006-06-13 DJ Delorie <dj@redhat.com>
4658 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4660 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4662 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4663 html__strip_dir, html__mkdir_p. Enhance install-html target.
4664 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4665 * configure: Regenerate.
4667 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4669 * fold-const.c (fold_cond_expr_with_comparison): Check for
4670 Objective-C++ as language in deciding COND_EXPR transformation.
4672 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4675 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4676 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4677 * config/sh/lib1funcs.h (SL, SL1): Define.
4678 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4679 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4680 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4681 (OBJS_Os_4_200): New variable.
4682 ($(T)libgcc-Os-4-200.a): Use it.
4683 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4684 when dividing 1 and/or by 0.
4686 2006-06-13 Roger Sayle <roger@eyesopen.com>
4688 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4689 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4690 * configure: Regenerate.
4692 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4694 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4695 for real instruction.
4697 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4700 * haifa-sched.c (check_cfg): Handle special case.
4702 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4705 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4706 Add debug_info parameter. Chain the vars to the BLOCK instead
4707 of the BIND_EXPR if debug info are requested for them.
4708 (pop_gimplify_context): Adjust for above change.
4709 (gimple_add_tmp_var): Likewise.
4710 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4712 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4713 (convert_local_reference): Likewise.
4714 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4715 (finalize_nesting_tree_1): Request that debug info be emitted
4716 for debug_var_chain.
4718 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4720 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4721 for PR target/27863.
4723 2006-06-13 Richard Guenther <rguenther@suse.de>
4726 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4728 2006-06-13 Richard Guenther <rguenther@suse.de>
4730 PR tree-optimization/27830
4731 * tree-inline.c (copy_body_r): For copying the operand
4732 of an ADDR_EXPR make sure to fold &* afterwards.
4734 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4736 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4737 lvalues in the fb_none case with side-effects.
4739 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4741 * tree-flow.h: Remove the prototype for
4742 compute_phi_arg_on_exit.
4743 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4744 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4747 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4749 * builtins.c (expand_builtin_return_addr): Only use
4750 frame_pointer_rtx when count == 0 and we are expanding
4751 __builtin_return_address.
4753 2006-06-12 Fred Fish <fnf@specifix.com>
4755 * config/mips/mips.c (mips_file_start): Create special section
4756 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4758 2006-06-11 Eric Christopher <echristo@apple.com>
4761 * stor-layout.c (place_field): Remove check for
4762 remaining_in_alignment when aligning at the end of a run.
4764 2006-06-11 Eric Christopher <echristo@apple.com>
4767 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4770 2006-06-11 Roger Sayle <roger@eyesopen.com>
4773 Revert incorrect fix for PR target/27158
4774 2006-05-08 Roger Sayle <roger@eyesopen.com>
4775 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4776 of a reg_equiv_constant if the result is a legitimate constant.
4778 2006-06-11 Roger Sayle <roger@eyesopen.com>
4781 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4782 extract a CONST_VECTOR element and interpret it as an integer.
4783 (vspltis_constant): Use const_vector_elt_as_int instead of the
4784 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4785 * config/rs6000/predicates.md (easy_vector_const): Consider
4786 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4788 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4791 * stor-layout.c (update_alignment_for_field): Don't add extra
4792 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4795 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4797 * config/mips/t-rtems: Add EL/EB multilib variants.
4799 2006-06-09 Mike Stump <mrs@apple.com>
4801 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4803 2006-06-09 David Daney <ddaney@avtrex.com>
4805 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4807 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4809 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4811 2006-06-09 Richard Guenther <rguenther@suse.de>
4813 PR tree-optimization/26998
4814 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4815 of signed types, only TYPE_MIN_VALUE is special, but for both,
4816 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4817 in this case, as is -fwrapv.
4819 2006-06-08 Mike Stump <mrs@apple.com>
4822 * config/darwin.c (darwin_asm_output_anchor): Disable
4823 -fsection-anchors on darwin for now.
4824 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4825 * rs6000/rs6000.c (optimization_options): Likewise.
4827 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4830 * config/i386/i386.c (classify_argument): Skip fields with invalid
4833 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4835 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4836 (cse_insn): Likewise for the stack_pointer_rtx.
4838 2006-06-08 Roger Sayle <roger@eyesopen.com>
4840 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4841 conditions from floating point comparisons.
4843 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4846 * expmed.c (struct alg_hash_entry): Fix type of field T
4847 to match synth_mult argument.
4848 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4850 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4853 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4856 2006-06-08 Richard Guenther <rguenther@suse.de>
4859 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4860 only, if overflow is defined and not trapping.
4861 (negate_expr): Likewise.
4863 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4865 PR tree-optimization/27872
4866 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4867 flag on the new exit edge of the unrolled loop.
4869 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4871 PR rtl-optimization/26449
4872 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4874 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4877 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4878 referenced_variables with matching DECL_UID's.
4879 (find_referenced_vars): Make sure duplicate list is empty to start.
4880 (referenced_var_p): Remove.
4881 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4882 Check if var is in the list, and add if needed. Update the duplicate
4883 list if a different var is in the list with the same DECL_UID.
4884 (add_referenced_var): Call routine to check and insert.
4885 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4886 * tree-flow.h (referenced_vars_dup_list): External declaration.
4888 2006-06-07 Fred Fish <fnf@specifix.com>
4890 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4893 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4896 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4897 the imaginary and real parts of a clobbered register.
4898 Emit insn to set the imaginary part.
4900 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4902 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4903 in lieu of unwind-dw2-fde.c.
4905 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4907 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4909 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4912 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4913 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4914 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4915 V4SImode temporaries and operations instead.
4917 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4919 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4922 2006-06-06 Mike Stump <mrs@apple.com>
4924 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4925 installing during build.
4927 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4929 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4931 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4932 * config/ia64/ia64.c (params.h): New header.
4933 (ia64_optimization_options): New function to adjust parameters.
4934 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4935 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4936 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4938 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4940 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4942 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4945 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4947 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4948 Victor Kaplansky <victork@il.ibm.com>
4950 PR tree-optimization/26360
4951 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4954 2006-06-04 Roger Sayle <roger@eyesopen.com>
4955 Andrew Pinski <pinskia@physics.uc.edu>
4958 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4959 for LABEL_DECL before calling DECL_WEAK.
4962 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4963 LABEL_DECL and PARM_DECL.
4965 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4969 * c-decl.c (grokdeclarator): Disallow variably modified types at
4970 file scope. Avoid marking shared array type of constant size as
4973 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4976 * c-common.c (fold_offsetof_1): Handle static members.
4978 2006-06-04 Eric Christopher <echristo@apple.com>
4980 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4981 (debug_rli): Output value for remaining_in_alignment.
4982 (update_alignment_for_field): Unconditionalize
4983 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4984 extra alignment code.
4985 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4986 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4987 * tree.h (record_layout_info_s): Remove prev_packed.
4988 * doc/extend.texi (ms_struct): Add documentation of format.
4990 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4992 * tree.h: Declare folding_initializer.
4993 * builtins.c (fold_builtin_constant_p): Give definite answer
4994 if folding inside an initializer.
4995 * fold-const.c: Define folding_initializer.
4996 (START_FOLD_INIT): Save and then set folding_initializer.
4997 (END_FOLD_INIT): Restore folding_initializer.
4999 2006-06-04 Richard Guenther <rguenther@suse.de>
5001 PR tree-optimization/27039
5002 * fold-const.c (fold_comparison): Handle pointer comparison
5003 again for all comparison codes. Compare offsets in signed
5005 (fold_binary): Move code from here.
5007 2006-06-03 Roger Sayle <roger@eyesopen.com>
5010 * config/i386/i386.c (construct_container): Split static issued_error
5011 flag into issued_sse_arg_error, issued_sse_ret_error and
5012 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5013 requires the use of x87 registers and the user explicitly
5014 specified the -mno-80387 command line option.
5016 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5018 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5019 HAVE_DECL_SIGALTSTACK.
5021 (segv_handler): Use MC_FLD.
5022 * configure.ac: Check for a sigaltstack declaration.
5023 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5024 * configure: Regenerate.
5025 * config.in: Regenerate.
5027 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5030 * Makefile.in (stmp-fixinc): Fix typo.
5032 2006-06-02 Roger Sayle <roger@eyesopen.com>
5034 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5035 are type correct. Clean-up.
5036 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5037 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5039 2006-06-01 DJ Delorie <dj@redhat.com>
5041 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5042 shift, as we've disabled the "switch" insn that needs it.
5044 2006-06-01 Per Bothner <bothner@bothner.com>
5046 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5047 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5048 * c-ppoutput.c (cb_define): Don't increment line 0.
5050 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5052 * doc/invoke.texi: Add cpu_type power6.
5053 * config.gcc: Add cpu_type power6.
5054 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5055 to power5+ with Altivec.
5056 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5057 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5059 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5061 * config/avr/avr.h (SET_ASM_OP): Define.
5063 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5065 * config/bfin/bfin.c: Fix comment typos.
5067 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5070 * doc/install.texi: Document --enable-bootstrap and
5071 --disable-bootstrap.
5073 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5075 * doc/install.texi: Document that InfoZIP can replace jar.
5077 2006-05-31 Roger Sayle <roger@eyesopen.com>
5079 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5080 isn't available, directly generate the simpler x87 patterns without
5081 the (use (const_int 0)).
5082 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5083 implementation isn't available.
5084 (*negdf2_1): Likewise.
5085 (*negxf2_1): XF mode negation is always done using the x87.
5086 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5088 2006-05-31 Roger Sayle <roger@eyesopen.com>
5090 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5091 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5093 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5095 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5097 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5098 * config/bfin/bfin.c (basic-block.h): Include.
5099 (struct machine_function): New.
5100 (bfin_init_machine_status): New.
5101 (override_options): Initialize init_machine_status.
5102 (bfin_hardware_loop): New.
5103 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5104 (DEF_VEC_P (loop_info)): New.
5105 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5106 (struct loop_info): New.
5107 (loop_info): New typedef.
5108 (struct loop_work): New.
5109 (loop_work): New typedef.
5110 (DEF_VEC_O (loop_work)): New.
5111 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5112 (bfin_dump_loops): New.
5113 (bfin_bb_in_loop): New.
5114 (bfin_scan_loop): New.
5115 (bfin_optimize_loop): New.
5116 (bfin_reorg_loops): New.
5117 (bfin_reorg): Use bfin_reorg_loops.
5118 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5120 (I_REGNO_P): Simplify.
5121 (DP_REGNO_P, DPREG_P): New macros.
5122 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5123 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5124 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5125 Add LT_REGS, LC_REGS, LB_REGS.
5126 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5128 (REGNO_REG_CLASS): Deal with loop registers.
5129 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5131 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5132 New constants for loop registers.
5133 (UNSPEC_LSETUP_END): New.
5134 (seq_insns): New define_attr. Set it for appropriate insns.
5135 (movsi_insn): Add alternatives for move from/to
5136 loop count registers.
5137 (doloop_end): New define_expand.
5138 (loop_end): New define_insn.
5139 (define_split for bad doloop_end): New.
5140 (lsetup_with_autoinit): New define_insn.
5141 (lsetup_without_autoinit): New define_insn.
5142 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5143 * config/bfin/predicates.md (lc_register_operand): New.
5144 (lt_register_operand): New.
5145 (lb_register_operand): New.
5146 (nondp_register_operand): New.
5147 (nondp_reg_or_memory_operand): New.
5148 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5150 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5152 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5153 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5155 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5157 * Makefile.in (CATALOGS): Add po/ prefix.
5158 * configure: Regenerated.
5160 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5163 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5164 a shift operand before calling shift_op. Avoid redundant call of
5167 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5168 DJ Delorie <dj@redhat.com>
5170 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5171 we're inserting is a singlt-bit constant.
5173 2006-05-30 Roger Sayle <roger@eyesopen.com>
5175 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5176 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5178 2006-05-30 Roger Sayle <roger@eyesopen.com>
5180 PR tree-optimization/23452
5181 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5182 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5183 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5184 complex values and with -ffast-math for FP complex values.
5186 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5188 * c-common.h: Remove the prototype for yyparse.
5189 * rtl.h: Remove the prototype for init_loop.
5191 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5193 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5196 2006-05-30 Roger Sayle <roger@eyesopen.com>
5198 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5200 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5201 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5203 2006-05-30 Dirk Mueller <dmueller@suse.de>
5206 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5207 for CONSTANT_CLASS_P expresisons.
5209 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5212 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5214 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5216 PR tree-optimization/27779
5217 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5218 initial_condition instead of CHREC_LEFT.
5220 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5222 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5223 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5224 Make prototypes ISO C90.
5226 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5227 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5229 * see.c (see_analyze_one_def): Correct check.
5230 (see_get_extension_data): Check if extension is parallel.
5231 (see_get_extension_reg): Likewise.
5233 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5236 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5237 into register for (code == GTU).
5239 2006-05-29 Roger Sayle <roger@eyesopen.com>
5241 PR tree-optimization/24964
5242 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5243 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5244 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5245 abs(x)*abs(x) as x*x for scalar floating point modes.
5247 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5250 * lambda-code.c (perfect_nestify): Don't copy statements
5251 in the inner loop: move them to the inner loop header.
5253 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5256 * c-tree.texi: Document OpenMP directives and clauses.
5258 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5260 * varasm.c (globalize_decl): Fix indentation.
5262 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5265 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5266 pass_fre, pass_store_ccp, pass_copy_prop,
5267 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5268 pass_return_slot, pass_object_size, pass_lim,
5269 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5270 pass_loop_prefetch and pass_stdarg.
5272 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5274 * config/bfin/bfin.opt (mfdpic): New option.
5275 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5276 (EXTRA_MULTILIB_PARTS): Likewise.
5277 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5278 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5280 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5281 (CRT_CALL_STATIC_FUNCTION): New.
5282 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5284 (CRT_CALL_STATIC_FUNCTION): New.
5285 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5287 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5288 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5289 (initialize_trampoline): Changed to handle FD-PIC code generation.
5290 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5291 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5292 (override_options): Disallow -mid-shared-library -mfdpic combination.
5293 Can't do unaligned ops if FD-PIC.
5294 Turn off flag_pic if trying to generate non-id-shared-library
5295 non-fdpic code, since it's not supported.
5296 (bfin_assemble_integer): New function.
5297 (TARGET_ASM_INTEGER): Define.
5298 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5300 * config/bfin/crtn.s: Restore them.
5301 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5303 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5304 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5305 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5306 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5307 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5309 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5310 FDPIC_REGS and FDPIC_FPTR_REGS.
5311 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5312 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5313 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5314 (load_funcdescsi): New pattern.
5315 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5316 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5317 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5319 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5321 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5324 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5326 * tree-flow.h: Remove the prototype for add_type_alias.
5327 * tree-ssa-alias.c (add_type_alias): Remove.
5329 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5331 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5332 config/fr30/fr30.md, config/i386/i386-interix.h,
5333 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5334 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5335 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5336 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5337 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5338 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5339 Follow spelling conventions.
5340 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5341 Follow spelling conventions.
5343 2006-05-27 Richard Guenther <rguenther@suse.de>
5346 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5347 to produce a constant of value 1 of generic type.
5349 2006-05-27 Dirk Mueller <dmueller@suse.de>
5351 * cgraphunit.c (decide_is_function_needed): Fix wrong
5354 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5356 PR rtl-optimization/27661
5357 * reload.c (find_reloads): When reloading a VOIDmode constant
5358 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5359 use Pmode as mode of the reload register.
5361 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5363 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5364 is enabled at -O and above.
5366 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5369 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5372 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5375 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5376 for anonymous variables explicitly declared by front ends.
5378 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5380 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5381 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5382 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5383 ref-all pointers, run a finalization pass for them.
5384 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5385 (finalize_ref_all_pointers): New function.
5386 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5387 regular pointer type to a ref-all pointer type.
5388 (get_tmt_for): Return the special memory tag for ref-all pointers.
5390 2006-05-25 Richard Guenther <rguenther@suse.de>
5393 * fold-const.c (fold_binary): Do not look at the stripped
5394 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5396 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5398 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5399 for LT and GT if the computed range is effectively empty.
5401 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5404 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5405 mips_quad_format formats instead of ieee_single_format,
5406 ieee_double_format and ieee_quad_format formats, respectively.
5408 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5410 PR tree-optimization/27639
5411 PR tree-optimization/26719
5412 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5413 call to scev_probably_wraps_p.
5414 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5415 used_in_pointer_arithmetic_p, convert_step): Removed.
5416 (nowrap_type_p): New function.
5417 (scev_probably_wraps_p): Rewritten.
5418 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5419 chrec_convert if chrec_convert_aggressive might have been used.
5420 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5421 scev_direction): New functions.
5422 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5423 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5424 instead of convert_step.
5425 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5426 (convert_step): Declaration removed.
5427 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5429 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5431 * df-core.c: Added to header comments.
5432 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5433 df_ur_bb_info, df_urec_bb_info): Added comments.
5434 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5435 urec, ri problems): Fixed header comments.
5436 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5437 code from df_rd_transfer_function.
5439 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5441 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5442 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5443 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5445 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5447 * expr.c (undefined_operand_subword_p): New.
5448 (emit_move_multi_word): Do not generate move from undefined bits
5449 of a paradoxical subreg.
5451 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5453 PR rtl-optimization/27736
5454 * combine.c (replaced_rhs_value): New variable.
5455 (combine_instructions): Set it.
5456 (distribute_notes): When distributing a note in replaced_rhs_insn,
5457 check whether the value was used in replaced_rhs_value.
5459 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5462 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5463 add_referenced_var instead of add_referenced_tmp_var.
5464 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5465 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5467 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5468 tree_optimize_tail_calls_1): Use add_referenced_var.
5469 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5470 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5471 Use add_referenced_var.
5472 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5473 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5474 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5475 Use add_referenced_var.
5476 * tree-dfa.c (struct walk_state): Remove.
5477 (find_referenced_vars): Remove walk state and vars_found hash table.
5478 (make_rename_temp): Use add_referenced_var.
5479 (find_vars_r): Pass less parameters to add_referenced_var.
5480 (referenced_var_p): New. Is var in referenced_var hash table.
5481 (referenced_var_insert): Assert var isn't already in hash table.
5482 (add_referenced_var): Don't need walk_state parameter. Add var if it
5483 isn't already in the hash table.
5484 (add_referenced_tmp_var): Remove.
5485 (find_new_referenced_vars_1): Use add_referenced_var.
5486 * tree-ssa-pre.c (create_expression_by_pieces,
5487 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5488 Use add_referenced_var.
5489 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5490 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5491 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5493 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5494 vect_create_data_ref_ptr, vect_create_destination_var,
5495 vect_init_vector, vect_build_loop_niters,
5496 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5497 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5498 Use add_referenced_var.
5499 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5500 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5501 (add_referenced_var): Add prototype.
5502 * tree-ssa-structalias.c (get_constraint_for,
5503 intra_create_variable_infos): Use add_referenced_var.
5505 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5507 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5508 big-endian paradoxical subregs.
5509 * var-tracking.c (struct micro_operation_def): Document that,
5510 for modify micro operations, insn is the subsequent instruction.
5511 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5512 (var_reg_set, var_mem_set): ... new functions.
5513 (add_stores): Record subsequent insn.
5514 (compute_bb_dataflow): Use new functions for MO_USE.
5515 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5516 notes after the insn, and modify notes before the insn known
5517 to be the subsequent one.
5518 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5520 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5523 * config/i386/i386.c (ix86_expand_builtin): Use
5524 gen_sse3_monitor64 for TARGET_64BIT.
5526 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5528 PR rtl-optimization/26375
5529 PR rtl-optimization/26855
5530 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5532 (df_ru_bb_local_compute): Reversed statements and removed bogus
5533 comment explaining why they should be in wrong order.
5534 (df_ru_dump, df_rd_dump): Enhanced debug info.
5535 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5537 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5538 reaching uses and fixed space problem.
5540 2006-05-23 Jan Hubicka <jh@suse.cz>
5542 * cgraphunit.c (decide_is_function_needed): Also nested functions
5543 and functions declared inline can be optimized out at -O0.
5545 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5547 * doc/install.texi (Configuration): Remove reference to CrossGCC
5551 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5554 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5555 ix86_compare_emitted is non-NULL.
5557 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5560 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5563 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5565 PR rtl-optimization/25514
5566 * combine.c (replaced_rhs_insn): New variable.
5567 (combine_instructions): Set replaced_rhs_insn when trying to replace
5568 a SET_SRC with a REG_EQUAL note.
5569 (distribute_notes): Use replaced_rhs_insn when determining the live
5570 range of a REG_DEAD register.
5572 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5573 Anatoly Sokolov <aesok@post.ru>
5575 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5576 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5577 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5578 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5579 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5580 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5581 at90usb647, at90usb1286 and at90usb1287 devices.
5582 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5583 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5585 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5587 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5589 2006-05-22 Richard Guenther <rguenther@suse.de>
5592 2006-01-31 Richard Guenther <rguenther@suse.de>
5593 Paolo Bonzini <bonzini@gnu.org>
5595 * doc/install.texi (--disable-libgcc-math): Document.
5597 2006-05-22 Richard Guenther <rguenther@suse.de>
5600 2006-01-31 Richard Guenther <rguenther@suse.de>
5602 * doc/invoke.texi (-msselibm): Document.
5603 * target.h (expand_library_builtin): New target hook.
5604 * builtins.c (expand_builtin): Use expand_library_builtin.
5605 (default_expand_library_builtin): New function.
5606 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5607 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5608 (link_gcc_math_spec): Declare.
5609 (static_specs): Add link_gcc_math_spec.
5610 * expr.h (default_expand_library_builtin): Declare.
5611 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5612 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5613 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5614 * config/i386/i386.opt (msselibm): New target option.
5615 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5616 (ix86_init_sse_abi_builtins): New function.
5617 (ix86_expand_library_builtin): Likewise.
5618 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5619 (override_options): Handle error conditions wrt -msselibm.
5620 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5621 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5622 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5625 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5628 * c-common.c (self_promoting_args_p): Skip erroneous args.
5631 * c-decl.c (finish_struct): Skip erroneous fields.
5633 2006-05-22 Nick Clifton <nickc@redhat.com>
5635 * config/cris/cris.opt (march): Remove VarExists attribute.
5636 (max-stackframe=): Likewise.
5638 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5640 * doc/rtl.texi: Fix a typo.
5641 * see.c: Fix comment typos.
5643 * tree-ssa-structalias.h (alias_info): Remove num_references.
5645 2006-05-21 Mike Stump <mrs@apple.com>
5647 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5649 (darwin_pragma_options): Use BAD instead.
5650 (darwin_pragma_unused): Likewise.
5651 (darwin_pragma_ms_struct): Likewise.
5653 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5655 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5657 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5659 PR rtl-optimization/27671
5660 * simplify-rtx.c (simplify_relational_operation_1): Fix
5661 simplifications of (eq/ne (xor x y) y) and
5662 (eq/ne (xor x y) x).
5664 PR tree-optimization/26622.
5665 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5668 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5670 * tree-cfg.c: Prune whitespace.
5671 (debug_tree_cfg): Point to correct header containing the
5674 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5677 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5679 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5682 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5683 or sorry count is non zero.
5685 2006-05-20 Andreas Schwab <schwab@suse.de>
5687 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5689 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5690 Kenneth Zadeck <zadeck@naturalbridge.com>
5692 PR rtl-optimization/26855
5694 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5696 (df_scan_alloc): Added code to properly handle multiword hard
5697 registers and add all_blocks parameter.
5698 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5699 code to properly handle multiword hard registers.
5700 (df_rescan_blocks): Added code to remove deleted blocks from
5702 (df_ref_create_structure, df_ref_record): Added code to properly
5704 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5705 and set DF_REF_PARTIAL.
5706 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5707 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5708 (df_scan_add_problem): Added flags parameter.
5709 (df_ref_create_structure): Changed switching structure.
5710 (df_bb_refs_record): Fixed case where duplicate artificial refs
5711 were created. Changed location of flags.
5712 (df_record_entry_block_defs): Added code to make stack pointer
5713 live in entry block. Refined cases where frame pointer is needed.
5714 Changed location of flags.
5715 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5716 (df_set_state): Removed function.
5717 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5718 df_insn_create_insn_record, df_insn_refs_delete,
5719 df_ref_create_structure): Formatting changes.
5720 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5721 df_delete_basic_block): New function.
5722 (df_init): Changed location of flags.
5723 (df_add_problem): Added flags parameter and the way flags are
5725 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5726 debug_df_chain): Improved debugging output.
5727 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5728 (df_refs_chain_dump): Removed df parameter.
5729 (df_iterative_dataflow): Added consistency check.
5730 (df_prune_to_subcfg): Made public.
5731 (df_analyze_problem): Added blocks_to_init parameter and made
5733 (df_ref_record, df_bb_refs_record, df_mark_reg,
5734 df_record_exit_block_uses): Whitespace changes.
5735 (df_dump): Whitespace changes.
5736 * df.h: Some reordering to remove forward references.
5737 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5738 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5739 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5740 (dataflow.flags): New field.
5741 (df.flag): Deleted field.
5742 (df_alloc_function): Added additional bitmap parameter.
5743 (df_dependent_problem_function): New type.
5744 (df_problem.changeable_flags): New field.
5745 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5746 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5747 (df_mw_hardreg): New struct.
5748 (DF_INSN_UID_MWS): New macro.
5749 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5751 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5752 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5753 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5754 (df_set_state): Removed function.
5755 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5756 * df-problems.c (df_chain_dump): Removed df parameter.
5757 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5758 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5760 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5761 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5762 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5763 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5764 DF_REF_MUST_CLOBBER cases.
5765 (df_ru_bb_local_compute_process_def,
5766 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5767 df_lr_bb_local_compute, df_ur_bb_local_compute,
5768 df_chain_create_bb): Made subreg aware.
5769 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5770 df_lr_bb_local_compute, df_lr_bb_local_compute,
5771 df_chain_create_bb): Cleanup to use proper macros.
5772 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5773 code to fixup bitvectors.
5774 (df_ri_alloc): Cleared lifetime.
5775 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5776 df_create_unused_note): New function.
5777 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5778 REG_DEAD and REG_UNUSED notes as well as register information.
5779 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5780 df_chains_dump): Fixed crash if problem was never run.
5781 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5782 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5783 df_ri_add_problem): Processes flags in uniform manner.
5784 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5785 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5786 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5787 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5788 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5789 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5790 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5791 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5792 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5793 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5794 * see.c (see_initialize_data): Ditto.
5795 * final.c (rest_of_clean_state) Added regstack_completed.
5796 * rtl.h (regstack_completed): Ditto.
5797 * reg-stack.c (regstack_completed): Ditto.
5799 2006-05-19 Mike Stump <mrs@apple.com>
5801 * c-tree.h (default_conversion): Remove.
5802 * c-common.h (default_conversion): Add.
5804 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5806 * tree-vrp.c (valid_value_p): New function.
5807 (adjust_range_with_scev): Fail if the value of bound is not
5810 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5812 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5813 (mips_fallback_frame_state): Use syscall numbers to determine
5814 the appropriate li instruction for the current ABI. Only use
5815 __NR_sigreturn for o32.
5817 2006-05-19 Nicolas Setton <setton@adacore.com>
5819 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5820 * langhooks.c (lhd_dwarf_name): New function.
5821 * langhooks-def.h (lhd_dwarf_name): Declare.
5822 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5823 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5824 * ada/misc.c (gnat_dwarf_name): New function.
5825 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5827 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5829 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5831 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5832 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5833 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5834 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5835 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5836 determine the size of Wtype, etc.
5837 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5838 (swfloatfuncs): New variable.
5839 (dwfloatfuncs): Likewise.
5840 (lib2funcs): Remove floating-point conversion functions from
5841 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5842 the set of conversion routines needed. Allow entries to specify
5843 an object name, filename and word size. Update users accordingly.
5844 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5845 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5849 2006-02-08 Roger Sayle <roger@eyesopen.com>
5852 * config/fixtfdi.c: New libgcc source file.
5853 * config/fixunstfdi.c: New source file.
5854 * config/floatditf.c: New source file.
5855 * config/floatunditf.c: New souce file.
5856 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5857 files above instead of config/mips/_tilib.c.
5858 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5860 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5862 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5863 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5865 2006-05-18 Mike Stump <mrs@apple.com>
5867 Fix up vla, vm and [*] sematics.
5873 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5874 (c_vla_unspec_p): Add.
5875 (c_vla_type_p): Add.
5876 * c-decl.c (struct c_scope): Add had_vla_unspec.
5877 (build_array_declarator): Add support for [*].
5878 (grokdeclarator): Likewise.
5879 (grokparms): Likewise.
5880 (get_parm_info): Likewise.
5881 * c-objc-common.c (c_vla_unspec_p): Likewise.
5882 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5883 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5884 typeof when argument is a variably modified type not inside sizeof or alignof.
5885 (c_parser_direct_declarator_inner): Propagate errors.
5886 (c_parser_sizeof_expression): Add support for [*].
5887 (c_parser_parms_declarator): Initialize had_vla_unspec.
5888 (c_parser_parms_list_declarator): Likewise.
5889 * c-typeck.c (c_vla_type_p): Add.
5890 (composite_type): Add support for vla compositing.
5891 (comptypes_internal): Add support for vla compatibility.
5892 (c_expr_sizeof_expr): Evaluate vla arguments.
5893 * tree.c (variably_modified_type_p): Update comment for [*].
5895 2006-05-18 Michael Matz <matz@suse.de>
5898 * config.host: Make assignments to host_xmake_file cumulative.
5899 * config.host (*-darwin*): Test $host, not $target.
5901 2006-05-12 Stuart Hastings <stuart@apple.com>
5903 * config/i386/i386.opt (-mstackrealign): New flag.
5904 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5905 (ix86_handle_cconv_attribute): Emit error when
5906 force_align_arg_pointer attribute collides with too many regparms.
5907 (ix86_function_regparm): Limit regparms when used with
5908 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5909 Support stack-realigning prologue in non-main functions. Emit
5910 warning for nested functions under -mstackrealign, emit error for
5911 nested functions with force_align_arg_pointer attribute.
5912 * doc/extend.texi (force_align_arg_pointer): Document it.
5913 * doc/invoke.texi (-mstackrealign): Document it.
5915 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5917 PR rtl-optimization/27477
5918 * combine.c (try_combine): Don't split a parallel consisting
5919 of two sets into two individual sets if both sets reference
5922 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5924 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5925 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5927 * doc/options.texi (VarExists): Updated.
5929 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5931 * unwind-dw2.c: Add declarations for uw_update_context and
5933 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5934 detected, advance frame state and context once to skip over stub.
5936 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5940 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5941 Call rewrite_into_loop_closed_ssa only when something changed.
5942 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5943 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5944 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5945 Test for perfect_nest_p here. Fix formating.
5946 (replace_uses_equiv_to_x_with_y): Fix formating.
5947 (stmt_uses_op): Removed.
5948 (can_convert_to_perfect_nest): Removed loopivs parameter.
5949 Complete the test by checking the scalar dependences.
5950 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5953 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5956 From Dan Kegel <dank@kegel.com>:
5957 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5959 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5961 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5962 if the element type is variably modified without recursing.
5964 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5967 * tree-loop-linear.c (try_interchange_loops): Test for
5968 no data dependences.
5970 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5972 PR tree-optimization/27548
5973 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5974 range of ssa names that appear on abnormal edges.
5975 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5976 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5978 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5981 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5983 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5986 * tree.h (OMP_PARALLEL_COMBINED): Define.
5987 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5988 (new_omp_context): Add is_combined_parallel argument.
5989 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5990 new_omp_context caller.
5991 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5992 Adjust gimplify_scan_omp_clauses callers.
5993 (omp_is_private): Issue errors if iteration variable is firstprivate
5994 or reduction in the current context.
5995 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5996 on combined parallel workshare constructs.
5998 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6000 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6001 (gcc-options.o): New rule.
6003 * optc-gen.awk: Protect variables for gcc-options.o with
6004 #ifdef GCC_DRIVER/#endif.
6006 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6008 Fix PR tree-optimization/27373
6009 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6010 (forward_propagate_addr_expr): Update call.
6012 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6014 * doc/options.texi: Move the Negative option.
6016 2006-05-16 Richard Guenther <rguenther@suse.de>
6018 PR tree-optimization/22303
6019 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6021 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6022 ccp_fold did not simplify the statement.
6024 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6027 * Makefile.in (GCC_OBJS): New.
6028 (OBJS-common): Add opts-common.o.
6029 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6030 (cpp$(exeext)): Likewise.
6031 (gcc.o): Also depend on opts.h.
6032 (opts-common.o): New.
6034 * common.opt (gcoff): Add Negative(gdwarf-2).
6035 (gdwarf-2): Add Negative(gstabs).
6036 (gstabs): Add Negative(gstabs+).
6037 (gstabs+): Add Negative(gvms).
6038 (gvms): Add Negative(gxcoff).
6039 (gxcoff): Add Negative(gxcoff+).
6040 (gxcoff+): Add Negative(gcoff).
6041 * config/i386/i386.opt (m32): Add Negative(m64).
6042 (m64): Add Negative(m32).
6044 * doc/options.texi: Document the Negative option.
6046 * gcc.c: Include "opts.h".
6047 (main): Call prune_options after expandargv.
6049 * optc-gen.awk: Generate common declarations for all flag
6050 variables in options.c. Output the neg_index field.
6052 * opts.c (find_opt): Moved to ...
6053 * opts-common.c: Here. New file.
6055 * opts.h (cl_option): Add a neg_index field.
6057 (prune_options): Likewise.
6059 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6062 * omp-low.c (expand_omp_parallel): Don't assert
6063 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6064 instead search for it.
6067 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6070 2006-05-16 Andreas Schwab <schwab@suse.de>
6072 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6075 2006-05-15 Roger Sayle <roger@eyesopen.com>
6078 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6079 integer constants other than zero are only legitimate on TARGET_64BIT.
6080 <CONST_VECTOR> Only zero vectors are legitimate.
6081 (ix86_cannot_force_const_mem): Integral and vector constants can
6082 always be put in the constant pool.
6084 2006-05-16 DJ Delorie <dj@redhat.com>
6086 * crtstuff.c (__dso_handle): Set section from
6087 TARGET_LBIGCC_SDATA_SECTION if defined.
6088 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6089 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6091 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6094 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6097 2006-05-16 Ben Elliston <bje@au.ibm.com>
6099 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6101 2006-05-15 Per Bothner <per@bothner.com>
6103 * tree.c: (last_annotated_node): Use source_locus typedef.
6104 This permits bootstrapping with --enable-mapped-location.
6106 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6108 PR tree-optimization/26830
6109 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6110 (info_for_ssa_name, current_info_for_ssa_name_age,
6111 blocks_to_update): New variables.
6112 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6113 (clear_ssa_name_info, initialize_flags_in_bb,
6114 mark_block_for_update): New functions.
6115 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6116 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6117 prepare_def_site_for): Use mark_block_for_update.
6118 (mark_def_interesting): Assert that the processed block is marked in
6119 blocks_to_update. Do not take blocks argument.
6120 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6122 (rewrite_update_init_block, rewrite_update_stmt): Only process
6123 blocks with statements to rewrite.
6124 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6125 (update_ssa): Initialize and free blocks_to_update. Do not
6126 clear flags on statements. Do not use blocks bitmap.
6127 * tree.h (SSA_NAME_AUX): Removed.
6128 (struct tree_ssa_name): Removed aux field.
6129 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6131 2006-05-15 Richard Guenther <rguenther@suse.de>
6133 PR tree-optimization/27603
6134 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6135 Do computations in original type.
6137 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6139 * see.c: Code style changes such as redundant paranthesis,
6140 redundant intialization of local variables etc.
6141 (see_main): Declared now as static.
6142 * doc/invoke.texi: Update that -fsee is not enabled by
6145 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6147 * omp-low.c (check_omp_nesting_restrictions): New function.
6148 (scan_omp_1): Call it.
6151 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6152 construct, return *VAR.
6154 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6156 PR rtl-optimization/27406
6157 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6160 2006-05-14 Roger Sayle <roger@eyesopen.com>
6162 PR rtl-optimization/27538
6163 * combine.c (expand_compound_operation): Call gen_lowpart
6164 before calling simplify_shift_const.
6166 2006-05-14 Roger Sayle <roger@eyesopen.com>
6168 PR rtl-optimization/22563
6169 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6170 a fixed width bitfield, always force the intermediates into psuedos.
6172 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6175 * mkconfig.sh: Use operator = instead of == for test.
6177 2006-05-13 Nick Clifton <nickc@redhat.com>
6179 * dwarf2out.c (dbx_reg_number): Check return value from
6180 LEAF_REG_REMAP and only use it if it is valid.
6181 (multiple_reg_loc_descriptor): Likewise.
6183 2006-05-13 Richard Guenther <rguenther@suse.de>
6185 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6188 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6190 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6191 information attached to non-INSNs such as NOTEs.
6192 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6194 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6196 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6198 * config/s390/s390.md: Adjust comment describing On constraint.
6200 2006-05-11 Jan Hubicka <jh@suse.cz>
6202 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6203 to be output at -O0.
6205 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6208 * fold-const.c (size_binop): Move sanity check for arguments to
6209 the beginning of the function.
6212 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6215 2006-05-11 Richard Guenther <rguenther@suse.de>
6218 * fold-const.c (fold_unary): Handle intermediate conversion
6219 to a pointer type like intermediate conversion to an integer
6220 type in folding of (T1)(T2)var to var.
6221 Match the code to the comment in the final conversion for
6222 (T1)(T2)var to (T1)var regarding to type precision. Rather
6223 than disallow T1 being of pointer type, assert that both T1
6224 and var are of pointer type or not. Make sure not to fall
6225 over the frontends lazyness wrt array to pointer decay though.
6227 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6229 * arm.c (arm_struct_value_rtx): Delete.
6230 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6231 (arm_init_cumulative_args): Always initialize nregs to zero.
6233 2006-05-10 Richard Guenther <rguenther@suse.de>
6235 PR tree-optimization/27532
6236 * tree-object-size.c (plus_expr_object_size): Fix typo.
6238 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6241 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6242 ashrdi_const, ashrdi3): Use a scratch register.
6244 2006-05-10 Richard Guenther <rguenther@suse.de>
6246 PR tree-optimization/27302
6247 * fold-const.c (operand_equal_p): For two comparisons,
6248 try comparison of one comparison code swapped if that yields
6251 2006-05-10 Ben Elliston <bje@au.ibm.com>
6253 * tree-pretty-print.c (pretty_print_string): No need to handle
6254 '\0' as a special character.
6256 * tree.h: Include "hashtab.h".
6257 (iterative_hash_expr): Use hashval_t in its prototype.
6258 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6260 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6263 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6264 (hppa*64*-*-hpux11*): Ditto.
6265 (hppa[12]*-*-hpux11*): Ditto.
6267 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6270 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6272 2006-05-09 Michael Matz <matz@suse.de>
6274 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6275 host_extra_gcc_objs and host_xmake_file.
6276 (<*-*-linux*>): Don't overwrite host_xmake_file.
6277 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6278 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6279 (host_detect_local_cpu): Declare.
6280 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6281 * config/i386/i386.c (override_options): Handle -mtune=native
6283 * config/i386/x-i386: New file.
6284 * config/i386/driver-i386.c: New file.
6285 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6288 2006-05-09 Dirk Mueller <dmueller@suse.de>
6289 Richard Guenther <rguenther@suse.de>
6292 * fold-const.c (fold_read_from_constant_string): Relax check
6293 for matching types to matching modes.
6295 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6297 PR rtl-optimization/27335
6298 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6301 2006-05-08 Chao-ying Fu <fu@mips.com>
6302 Richard Sandiford <richard@codesourcery.com>
6304 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6305 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6306 * config/mips/mips.md (UNSPEC_SCC): New constant.
6307 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6308 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6309 (mips_emit_compare): Use it.
6310 (mips_expand_vcondv2sf): New function.
6312 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6314 Fix PR tree-optimization/27093
6315 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6316 renaming when they become not-used_alone.
6318 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6320 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6321 relocation and relocation stubs.
6323 2006-05-08 Eric Christopher <echristo@apple.com>
6325 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6328 2006-05-08 Jan Hubicka <jh@suse.cz>
6331 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6332 unused static functions are needed.
6334 2006-05-08 Roger Sayle <roger@eyesopen.com>
6337 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6338 of a reg_equiv_constant if the result is a legitimate constant.
6340 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6343 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6344 standard 80387 constants, raise the cost to prevent
6345 compress_float_constant() to generate load from memory.
6347 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6349 * config/arm/constraints.md (c): Fix a typo.
6351 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6354 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6357 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6359 (_mm_mwait): Likewise.
6361 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6363 (sse3_monitor): Make it 32bit only.
6364 (sse3_monitor64): New. 64bit monitor.
6366 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6369 * config/i386/i386.c (classify_argument): Skip fields with invalid
6372 2006-05-07 Richard Guenther <rguenther@suse.de>
6374 PR tree-optimization/27409
6375 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6376 Do not try to find zero-sized subvars.
6378 2006-05-07 Richard Guenther <rguenther@suse.de>
6380 PR tree-optimization/27136
6381 * tree-ssa-loop-niter.c (get_val_for): Correct function
6382 comment, assert requirements.
6383 (loop_niter_by_eval): Stop processing if the iterated
6384 value did not simplify.
6386 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6388 * opts.c (flag_see): remove its setting at -O3.
6390 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6392 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6393 * arm/constraints.md: New file.
6394 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6395 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6396 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6397 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6398 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6399 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6400 * arm.md: Include constraints.md.
6401 (thumb_movsi_insn): Use satisfies_constraint_J.
6402 (movhi, movqi): Use satisfies_constraint_I.
6404 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6406 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6407 for atmeg a645 device.
6409 2006-05-06 Richard Guenther <rguenther@suse.de>
6411 PR tree-optimization/27151
6412 * tree-vect-transform.c (vectorizable_condition): Punt on
6413 values that have a different type than the condition.
6415 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6418 * c-parser.c (c_parser_cast_expression): Only insert casts into
6419 hash table if pointer.
6420 * function.c (used_types_insert_helper): Rename from
6422 (used_types_insert): Call used_types_insert_helper.
6423 * function.h (used_types_insert): Accept only one argument.
6425 2006-05-05 David Edelsohn <edesohn@gnu.org>
6427 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6428 scratch with output modifier.
6430 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6433 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6434 with output modifier.
6436 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6439 * config/mips/mips.c (mips_symbolic_address_p): Return true
6440 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6441 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6443 2006-05-04 Richard Guenther <rguenther@suse.de>
6445 PR tree-optimization/14287
6446 PR tree-optimization/14844
6447 PR tree-optimization/19792
6448 PR tree-optimization/21608
6449 PR tree-optimization/27090
6450 * tree-ssa-pre.c (try_combine_conversion): New function.
6451 (compute_avail): After constructing the value-handle
6452 expression, use try_combine_conversion to combine NOP_EXPRs
6453 with previous value-handle expressions and use the result if it
6456 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6458 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6460 2006-05-04 Jan Hubicka <jh@suse.cz>
6463 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6465 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6467 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6468 that this only matches CONST_INTs. All users changed to VOIDmode
6471 * config/bfin/bfin.c: Include "optabs.h".
6472 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6474 (enum bfin_builtins): Add a number of fractional and vector builtins.
6475 (bfin_init_builtins): Likewise.
6476 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6477 (safe_vector_operand, bfin_expand_binop_builtin,
6478 bfin_expand_unop_builtin): New functions.
6479 (bfin_expand_builtin): Handle the new builtins.
6480 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6483 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6486 * Makefile.in (OBJS-common): Add see.o.
6487 (see.o): Add dependencies.
6488 * common.opt (fsee): New flag for the see optimization was added.
6489 * opts.c (flag_see): Initialized.
6490 * passes.c (init_optimization_passes, pass_see): New pass.
6491 * rtl.h (see_main): Declaration as extern.
6492 * timevar.def (TV_SEE): New.
6493 * tree-pass.h (pass_see): Declaration as extern.
6494 * invoke.texi (-fsee): Document.
6495 * recog.c (validate_simplify_insn): New function.
6496 * recog.h (validate_simplify_insn): Declaration as extern.
6497 * df-problems.c (df_chain_dump): Check for NULL.
6499 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6500 Daniel Berlin <dberlin@dberlin.org>
6502 * cfgrtl.c (insert_insn_bb_end_new): New function.
6503 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6505 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6507 * df.h (struct web_entry): Moved from web.c.
6508 (union_defs): Declaration as extern.
6509 (unionfind_root): Likewise.
6510 (unionfind_union): Likewise.
6511 * web.c (struct web_entry): Moved to df.h.
6512 (unionfind_root): Remove static declaration.
6513 (unionfind_union): Likewise.
6514 (union_defs): Likewise and generalize to use callback function.
6515 (web_main): Update arguments for union_defs function call.
6517 2006-05-04 Richard Guenther <rguenther@suse.de>
6519 PR tree-optimization/26447
6520 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6521 produce SSA_NAME copies before the store stmt to avoid
6522 breaking exception handling.
6524 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6527 * gimplify.c (omp_is_private): If var is shared in some outer context,
6528 return false instead of true. Stop searching on parallel context
6531 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6534 * coverage.c: Use get_gcov_unsigned_t() instead of
6535 unsigned_type_node all over.
6537 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6539 PR tree-optimization/27381
6540 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6541 maintain the same immediate_use links.
6542 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6543 node rather than segfaulting.
6545 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6548 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6549 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6550 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6552 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6554 Fix PR tree-optimization/26626
6555 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6557 * tree-ssa-operands.c (access_can_touch_variable): Allow
6558 typecasting through union pointers.
6560 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6563 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6564 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6565 to find if var will be a global variable even in the nested context.
6566 (omp_copy_decl): Only check for global variable at the end, it might
6567 be overridden in outer contexts.
6568 (scan_sharing_clauses): For global variables don't create a field.
6569 (lower_rec_input_clauses): Do nothing for global shared variables.
6570 Emit a barrier at the end of ILIST if there were any decls in both
6571 firstprivate and lastprivate clauses.
6572 (lower_send_clauses): Do nothing for global variables except for
6575 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6577 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6578 of the correct signedness is returned.
6580 2006-05-02 Jeff Law <law@redhat.com>
6582 PR tree-optimization/27364
6583 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6584 multiply expressions.
6586 2006-05-02 Tom Tromey <tromey@redhat.com>
6588 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6590 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6593 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6594 -mthumb -fPIC are used.
6596 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6597 Joshua Kinard <kumba@gentoo.org>
6600 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6601 with 64-bit pointers.
6603 2006-05-02 Paul Brook <paul@codesourcery.com>
6605 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6607 (create_fix_barrier): Check that a suitable barrier location is
6609 (arm_reorg): Include ftmp->address in allowable range of addresses.
6611 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6614 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6617 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6620 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6621 around RESULT_DECL for result passed by reference.
6622 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6623 * omp-low.c (use_pointer_for_field): Don't look at
6624 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6625 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6626 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6627 time or var for passing by reference for
6628 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6629 TREE_ADDRESSABLE variables when passing by reference.
6631 * omp-low.c (dump_omp_region): Fix output formatting.
6634 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6635 (expand_omp_parallel): Likewise.
6636 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6639 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6640 on statement list containing also constructors and destructors.
6641 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6644 * except.c (duplicate_eh_regions): Fix clearing of
6645 cfun->eh->region_array entries.
6647 2006-05-01 DJ Delorie <dj@redhat.com>
6649 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6651 (gcc_cv_objdump): Likewise.
6652 * configure: Regenerated.
6654 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6657 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6658 templates for case 3 and 4.
6660 2006-05-01 DJ Delorie <dj@redhat.com>
6662 * vec.c: Include bconfig.h when appropriate.
6663 * Makefile.in (build/vec.o): Adjust dependencies.
6664 * mkconfig.sh: Make sure config.h isn't used for build machine
6667 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6669 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6671 (mark_phi_for_rewrite): New function.
6672 (insert_phi_nodes_for, mark_use_interesting): Call
6673 mark_phi_for_rewrite.
6674 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6675 (update_ssa): Initialize and free phis_to_rewrite.
6677 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6679 PR rtl-optimization/27291
6680 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6681 folded to a constant.
6683 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6685 PR tree-optimization/27283
6686 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6687 not whole # of iteration descriptions.
6688 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6689 uses abnormal ssa name.
6690 (niter_for_single_dom_exit): Ditto.
6691 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6692 return just the number of iterations.
6694 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6696 PR tree-optimization/27144
6697 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6698 (record_estimate): Only record constant upper bound.
6699 (infer_loop_bounds_from_undefined): Call
6700 compute_estimated_nb_iterations just once.
6701 (proved_non_wrapping_p): Renamed to ...
6702 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6703 (convert_step_widening, scev_probably_wraps_p): Call
6704 n_of_executions_at_most instead of proved_non_wrapping_p.
6705 (substitute_in_loop_info): Do not replace values in bounds.
6706 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6709 2006-05-01 Richard Henderson <rth@redhat.com>
6712 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6713 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6716 2006-05-01 Roger Sayle <roger@eyesopen.com>
6718 * c-typeck.c (parser_build_binary_op): Don't call the function
6719 unsigned_conversion_warning to spot operand/result type overflow.
6720 (build_binary_op): Instead, call convert_and_check instead of
6721 convert to report the problem when the operands are promoted.
6722 * c-common.c (unsigned_conversion_warning): Make static.
6723 * c-common.h (unsigned_conversion_warning): Delete prototype.
6725 2006-05-01 Richard Guenther <rguenther@suse.de>
6727 PR tree-optimization/26726
6728 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6730 (find_interesting_uses_address): ... we work around here
6731 by folding INDIRECT_REFs in the substituted base.
6733 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6735 * omp-low.c (dump_omp_region): Add newlines.
6737 2006-04-30 Roger Sayle <roger@eyesopen.com>
6739 * common.opt (Woverflow): New command line option.
6740 * c-common.c (constant_expression_warning): Check warn_overflow.
6741 (overflow_waring): Pass OPT_Woverflow to warning.
6742 (unsigned_conversion_warning): Likewise.
6743 (convert_and_check): Likewise.
6744 * doc/invoke.texi: Document new command line option.
6746 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6748 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6749 TARGET_NO_FP_IN_TOC for section anchors.
6750 (optimization_options): Enable section anchors for all
6751 non-"Objective" languages.
6753 2006-04-28 Eric Christopher <echristo@apple.com>
6755 * config/darwin-c.c (darwin_ms_struct): Move this
6756 (darwin_set_default_type_attributes): and this...
6757 * config/darwin.c: ... here.
6758 * config/darwin.h (darwin_ms_struct): Declare.
6760 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6762 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6764 2006-04-28 Roger Sayle <roger@eyesopen.com>
6767 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6768 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6769 an unsigned HOST_WIDE_INT.
6770 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6772 (really_start_incremental_init): No need to call convert because
6773 bitsize_zero_node is already of type bitsizetype.
6774 (push_init_level): Extract the value of constructor_index as an
6775 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6776 (process_init_element): Likewise.
6778 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6780 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6781 value before passing to make_relative_prefix.
6783 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6786 * builtins.c (expand_builtin_memset): Expand val in original mode.
6788 2006-04-27 Eric Christopher <echristo@apple.com>
6790 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6791 with #ifndef/#endif.
6792 * config/darwin-c.c (darwin_ms_struct): New.
6793 (darwin_pragma_ms_struct): Ditto.
6794 (darwin_set_default_type_attributes): Ditto.
6795 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6796 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6797 Register ms_struct pragma.
6798 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6799 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6800 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6801 darwin_set_default_type_attributes if TARGET_MACHO.
6803 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6805 PR tree-optimization/26854
6806 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6807 * doc/tree-ssa.texi: Update immuse iterator documentation.
6808 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6809 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6810 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6811 first_safe_imm_use, next_safe_imm_use): Remove.
6812 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6813 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6814 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6815 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6816 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6817 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6818 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6819 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6820 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6821 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6822 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6823 (perfect_nestify): Use new iterator.
6824 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6826 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6827 (next_imm_name): New field in struct immediate_use_iterator_d.
6828 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6829 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6830 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6831 * tree-cfg.c (replace_uses_by): Use new iterator.
6832 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6833 * tree-ssa-operands.c (correct_use_link): Remove.
6834 (finalize_ssa_use_ops): No longer call correct_use_link.
6836 2006-04-27 Stuart Hastings <stuart@apple.com>
6838 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6839 * config/t-darwin (crt3.o): Use it.
6840 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6841 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6842 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6843 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6844 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6847 2006-04-27 Roger Sayle <roger@eyesopen.com>
6849 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6850 size, force the intermediate into a new pseudo rather instead of
6851 performing both a bitwise AND and a bitwise IOR in memory.
6853 2006-04-27 Richard Guenther <rguenther@suse.de>
6855 PR rtl-optimization/26685
6856 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6857 this one "max-flow-memory-locations".
6859 2006-04-27 Richard Guenther <rguenther@suse.de>
6861 PR tree-optimization/25148
6862 * tree-vrp.c (compare_values): Remove code dealing with
6863 comparisons against type min/max value. Honour overflow
6864 and negative constants in code dealing with comparisons
6865 of plus and minus expressions.
6866 (value_inside_range): Use fold_binary with LE_EXPR and
6867 GE_EXPR rather than compare_values.
6869 2006-04-27 Dirk Mueller <dmueller@suse.de>
6871 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6874 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6876 * basic-block.h (safe_insert_insn_on_edge): Removed.
6877 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6879 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6880 Paolo Bonzini <bonzini@gnu.org>
6883 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6884 (simplify_and_const_int): Same.
6886 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6888 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6890 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6893 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6894 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6895 cgraph_global_info_ready.
6898 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6901 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6902 either decl or init is error_mark_node.
6905 * tree-flow.h (struct omp_region): Add sched_kind.
6906 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6907 instead of extracting omp for data.
6908 (expand_omp_for): Save extracted sched_kind.
6910 2006-04-25 Roger Sayle <roger@eyesopen.com>
6912 * expmed.c (store_bit_field): Also check whether the bitsize is
6913 valid for the machine's "insv" instruction before moving the
6914 target into a pseudo for use with the insv.
6915 * config/i386/predicates.md (const8_operand): New predicate.
6916 * config/i386/i386.md (extv, extzv, insv): Use the new
6917 const8_operand predicate where appropriate.
6919 2006-04-25 DJ Delorie <dj@redhat.com>
6921 * doc/install.texi (Specific): Clarify that this is not a list of
6922 supported hosts or targets.
6924 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6926 PR rtl-optimization/26725
6927 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6928 block's BB_DIRTY flag.
6930 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6932 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6935 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6936 to print an integer.
6938 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6940 * varasm.c (align_variable): New function.
6941 (get_block_for_decl): Apply align_variable to DECL before
6942 calculating section information.
6943 (assemble_variable): Split out alignment computation.
6945 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6947 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6950 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6952 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6953 MODE_PARTIAL_INT mode.
6954 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6955 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6957 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6958 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6960 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6962 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6964 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6965 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6966 MACFLAG_IH): Likewise.
6967 (movstricthi_1): Renamed from "*movstricthi".
6968 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6969 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6970 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6971 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6972 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6973 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6974 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6975 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6976 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6977 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6978 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6979 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6980 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6981 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6982 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6984 * doc/rtl.texi (ss_ashift): Improve wording.
6986 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6988 * dwarf2out.c (verify_marks_clear): New.
6989 (prune_unused_types): Call verify_marks_clear initially, not
6992 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6994 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6995 * doc/rtl.texi: Document them.
6996 * simplify-rtx.c (simplify_unary_operation,
6997 simplify_binary_operation_1): Don't abort when we see them.
6999 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7002 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7003 * configure.ac: Completely disregard languages that are not
7005 * configure: Regenerated.
7007 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7008 Richard Guenther <rguenther@suse.de>
7010 PR tree-optimization/27236
7011 * tree-inline.c (copy_body_r): Make sure to copy
7012 TREE_THIS_VOLATILE flag.
7014 2006-04-24 Richard Guenther <rguenther@suse.de>
7017 * tree-complex.c (update_parameter_components): Don't handle
7018 unused parameters which have no default def.
7020 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7021 Richard Guenther <rguenther@suse.de>
7023 PR tree-optimization/27218
7024 * tree-inline.c (expand_call_inline): Strip useless type
7025 conversions for the return slot address.
7027 2006-04-24 Richard Guenther <rguenther@suse.de>
7029 * cfgloop.h (struct loops): Remove unused field array. Reorder
7031 (LOOP_PREFETCH): Remove.
7033 2006-04-24 Richard Guenther <rguenther@suse.de>
7035 PR tree-optimization/22525
7036 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7037 variable, adjust types of generated expressions.
7039 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7041 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7042 (tree-vect-patterns.o): Likewise.
7044 (cselib.o): Likewise.
7045 (loop-doloop.o): Likewise.
7046 (regclass.o): Likewise.
7047 (reload1.o): Likewise.
7048 (explow.o): Replace target.h with $(TARGET_H).
7049 (ipa-prop.o): Likewise.
7050 (ipa-cp.o): Likewise.
7051 (ipa-inline.o): Likewise.
7052 (reorg.o): Likewise.
7053 (reg-stack.o): Likewise.
7055 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7057 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7059 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7061 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7063 * configure.ac: Completely disregard languages that are not
7065 * configure: Regenerated.
7068 * c-common.h (c_build_bitfield_integer_type): Declare.
7069 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7070 * c-common.c (c_build_bitfield_integer_type): ... here.
7072 2006-04-23 Roger Sayle <roger@eyesopen.com>
7075 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7076 a SImode SUBREG of a floating point register after no_new_pseudos.
7078 2006-04-23 Roger Sayle <roger@eyesopen.com>
7080 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7081 identify potentially eliminable registers to additionally catch
7082 VIRTUAL_INCOMING_ARGS_REGNUM.
7083 (addsi3): Update the conditions on when to use addsi_small_int.
7085 2006-04-23 Roger Sayle <roger@eyesopen.com>
7088 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7089 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7090 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7092 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7094 * fold-const.c (range_predecessor): Use operand_equal_p
7095 as the predicate for equality.
7096 (range_successor): Likewise.
7098 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7101 * config/soft-fp/op-common.h: Fix a typo.
7103 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7106 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7107 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7109 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7111 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7113 * doc/tm.texi: Fix a typo.
7115 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7117 * dwarf2out.c (struct die_struct): Document that die_sib makes
7118 a circular linked list.
7119 (FOR_EACH_CHILD): New.
7120 (reverse_die_lists): Delete.
7121 (reverse_all_dies): Delete.
7122 (add_dwarf_attr): Correct documentation.
7123 (remove_child_with_prev): New.
7124 (remove_child_TAG): Update for change to die_struct, use
7125 remove_child_with_prev.
7126 (add_child_die): Update for change to die_struct.
7127 (splice_child_die): Use remove_child_with_prev and add_child_die.
7128 (print_die): Use FOR_EACH_CHILD.
7129 (die_checksum): Likewise.
7130 (assign_symbol_names): Likewise.
7131 (output_location_lists): Likewise.
7132 (build_abbrev_table): Likewise.
7133 (calc_die_sizes): Likewise.
7134 (mark_dies): Likewise.
7135 (unmark_dies): Likewise.
7136 (unmark_all_dies): Likewise.
7137 (output_die): Likewise.
7138 (prune_unused_types_mark): Likewise.
7139 (prune_unused_types_walk): Likewise.
7140 (same_die_p): Update for change to die_struct.
7141 (break_out_includes): Likewise.
7142 (prune_unused_types_prune): Likewise.
7143 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7144 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7146 (dwarf2out_finish): Don't call reverse_all_dies.
7148 2006-04-21 Eric Christopher <echristo@apple.com>
7150 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7151 in comments and function names.
7153 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7156 * c-typeck.c (digest_init): Robustify.
7158 * c-typeck.c (pop_init_level): Simplify.
7160 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7162 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7164 2006-04-21 Paul Brook <paul@codesourcery.com>
7166 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7167 hardware floating point.
7169 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7171 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7174 2006-04-21 Nick Clifton <nickc@redhat.com>
7176 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7179 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7182 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7183 C++ lang type in traceback table for Objective-C++.
7185 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7187 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7189 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7191 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7194 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7195 were errors. Remove check for erroneous objects.
7197 2006-04-20 Jeff Law <law@redhat.com>
7199 PR tree-optimization/26854
7200 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7201 checking for zero or one use.
7202 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7203 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7204 * tree-ssa-reassoc.c (negate_value): Similarly.
7205 (reassociate_bb): Similarly.
7207 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7209 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7210 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7211 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7213 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7215 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7216 fp regs if the last fp arg doesn't fit in regs.
7218 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7221 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7222 that the last insn has the REG_INC note.
7224 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7225 Nathan Sidwell <nathan@codesourcery.com>
7228 * stor-layout.c (update_alignment_for_field): Do not align
7230 (place_union_field): Place union field at the start of the union.
7231 (place_field): Move ERROR_MARK check later, and use the current
7232 allocation position to maintain monotonicity.
7234 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7236 * dominance.c: Include timevar.h.
7237 (calculate_dominance_info): Use TV_DOMINANCE.
7238 * timevar.def (TV_DOMINANCE): New timevar.
7239 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7241 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7243 PR rtl-optimization/14261
7244 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7245 move would be an INSV insn.
7246 (noce_process_if_block): Don't optimize if the destination is a
7247 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7249 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7251 * config/s390/s390.md: Add comments with the instructions emitted
7252 by an insn pattern if macros are used.
7254 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7256 PR rtl-optimization/26026
7257 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7258 is a known power of two shifted left a variable amount.
7260 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7262 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7263 to hash table twice when the debug_str section has SECTION_MERGE.
7265 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7267 * config/soft-fp: New directory. From glibc.
7268 * config/soft-fp/t-softfp: New.
7269 * config/soft-fp/README: New.
7270 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7271 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7272 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7273 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7274 * config.gcc: Use rs6000/t-fprules-fpbit or
7275 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7277 * config/rs6000/sfp-machine.h: New. Based on glibc.
7278 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7280 * config/rs6000/t-fprules: Remove fp-bit rules.
7281 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7282 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7283 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7284 (softfp_wrap_start, softfp_wrap_end): New.
7286 2006-04-18 DJ Delorie <dj@redhat.com>
7288 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7290 2006-04-18 Devang Patel <dpatel@apple.com>
7292 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7294 2006-04-18 Nick Clifton <nickc@redhat.com>
7296 * config/sh/t-symbian: Add rule to build sh-c.o
7297 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7298 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7299 (sh_symbian_encode_section_info): Likewise.
7301 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7303 * builtins.c (expand_builtin_strcmp): Cover label definition of
7304 do_libcall with HAVE_cmpstrnsi.
7306 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7308 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7310 * function.h (temp_slot_p): New.
7311 (function): Change the type of x_used_temp_slots to
7312 VEC(temp_slot_p,gc) *.
7314 2006-04-18 Nick Clifton <nickc@redhat.com>
7316 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7317 flag_strength_reduce.
7319 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7321 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7325 Partial revert of revision 112637
7326 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7327 Dale Johannesen <dalej@apple.com>
7330 * regclass.c (struct reg_pref): Update documentation.
7331 (regclass): Set prefclass to NO_REGS if memory is the best option.
7332 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7334 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7336 PR tree-optimization/26821
7337 * tree-ssa-math-opts.c (get_constant_one): New.
7338 (insert_reciprocals): Use it.
7340 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7342 * dwarf2out.c (free_AT): Delete.
7343 (remove_AT): Update string ref counts.
7344 (remove_child_TAG): Don't call free_die.
7346 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7347 or DW_TAG_GNU_EINCL.
7348 (prune_unused_types_walk_attribs): Reset string refcounts.
7349 (prune_unused_types_update_strings): New.
7350 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7351 call free_die. Do call prune_unused_types_update_strings.
7352 (prune_unused_types): Empty debug_str_hash.
7354 2006-04-17 Roger Sayle <roger@eyesopen.com>
7356 * expr.c (expand_assignment): Optimize away no-op moves where the
7357 source and destination are equal and have no side-effects.
7359 2006-04-17 Richard Guenther <rguenther@suse.de>
7362 * reload.c (push_reload): Guard calls to get_secondary_mem
7365 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7367 * alias.c (reg_base_value, old_reg_base_value): Change the
7368 type to VEC(rtx,gc) *.
7369 (REG_BASE_VALUE, find_base_value, record_set,
7370 init_alias_analysis): Use VEC instead of VARRAY.
7372 * alias.c (alias_sets): Change the type to
7373 VEC(alias_set_entry,gc) *.
7374 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7375 VEC instead of VARRAY.
7376 (last_alias_set): Remove.
7378 * cgraph.h (cgraph_edge_p): New.
7379 Update the prototype of cgraph_function_versioning.
7380 * cgraphunit.c (cgraph_copy_node_for_versioning,
7381 cgraph_function_versioning): Use VEC instead of VARRAY.
7382 * ipa-cp.c (ipcp_insert_stage): Likewise.
7384 2006-04-16 Roger Sayle <roger@eyesopen.com>
7387 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7388 "A op B" or "A op C", we may need to convert A to the type of B and C.
7390 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7392 * target.h (struct gcc_target): Add mode_rep_extended.
7393 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7394 (init_num_sign_bit_copies_in_rep): Initialize it using
7396 (truncate_to_mode): Use it.
7397 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7398 * targhooks.h (default_mode_rep_extended): Declare it.
7399 * targhooks.c (default_mode_rep_extended): Define it.
7400 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7401 default_mode_rep_extended.
7402 (TARGET_INITIALIZER): Include it.
7403 * doc/tm.texi (Misc): Document it.
7404 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7405 (mips_truncated_to_mode): New function.
7407 2006-04-16 Roger Sayle <roger@eyesopen.com>
7410 * expr.c (compress_float_constant): Copy the narrow constant into
7411 a new pseudo before extending it to its final width.
7413 2006-04-16 Roger Sayle <roger@eyesopen.com>
7414 Andrew Pinski <pinskia@gcc.gnu.org>
7415 Dale Johannesen <dalej@apple.com>
7418 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7419 special case code to implement V8HImode and V16QImode with SSE2.
7421 2006-04-15 Roger Sayle <roger@eyesopen.com>
7423 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7424 trees are constructed with a suitable tree type.
7426 2006-04-15 Roger Sayle <roger@eyesopen.com>
7428 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7429 (integer_onep): Likewise.
7430 (integer_all_onesp): Likewise.
7431 (integer_pow2p): Likewise.
7432 (integer_nonzerop): Likewise.
7433 (real_zerop): Likewise.
7434 (real_onep): Likewise.
7435 (real_twop): Likewise.
7436 (real_minus_onep): Likewise.
7437 (int_size_in_bytes): Likewise.
7438 (host_integerp): Likewise.
7440 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7442 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7443 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7444 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7446 * tree-ssa-structalias.h (alias_info): Remove num_references.
7448 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7450 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7451 (output_bvb patterns): Likewise.
7452 * pa.c (output_bb): Use 'bb' insn for long branch case.
7453 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7454 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7455 1. Correct length operand for alternatives 1 and 2.
7456 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7457 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7459 2006-04-14 Roger Sayle <roger@eyesopen.com>
7461 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7462 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7463 were accidentally reverted by r112959.
7465 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7468 * except.h (eh_region_outermost): New prototype.
7469 * except.c (eh_region_outermost): New function.
7470 * tree-cfg.c (find_outermost_region_in_block): Use it.
7472 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7474 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7476 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7477 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7478 (init_reload, reload): Use VEC instead of VARRAY.
7479 * reload.h: Update the prototype for
7480 reg_equiv_memory_loc_varray.
7482 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7483 Eric Botcazou <ebotcazou@libertysurf.fr>
7485 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7488 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7491 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7492 to expand fallback builtin function call.
7494 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7497 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7498 and emit libcall here in case the builtin fails.
7499 (expand_builtin_strcmp): Always emit the libcall here on failure.
7501 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7503 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7504 * flow.c (reg_n_info): Change the type to
7505 VEC(reg_info_p,heap) *.
7506 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7508 * regs.h (reg_info_p): New.
7509 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7510 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7511 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7514 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7516 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7518 * params.h (MAX_SCHED_READY_INSNS): New macro.
7519 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7520 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7521 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7522 the ready list for 1 cycle during the first scheduling pass.
7523 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7525 2006-04-13 Richard Henderson <rth@redhat.com>
7528 * gimple-low.c (lower_omp_directive): Remove dead code.
7529 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7530 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7531 * omp-low.c (struct omp_region): Move to tree-flow.h.
7532 (root_omp_region): Export.
7533 (omp_regions, lookup_omp_region): Remove.
7534 (determine_parallel_type): Update for struct omp_region changes.
7535 (dump_omp_region): Dump regions with block numbers.
7536 (new_omp_region): Take type and block instead of stmt; malloc
7538 (free_omp_region_1, free_omp_regions): New.
7539 (expand_parallel_call): Take entry_stmt as argument; update for
7540 changes to omp_region.
7541 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7542 (remove_exit_barriers): New.
7543 (expand_omp_parallel): Update for struct omp_region changes.
7544 (expand_omp_synch): Likewise.
7545 (expand_omp): Likewise.
7546 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7547 (expand_omp_for_static_chunk): Likewise.
7548 (expand_omp_for): Likewise.
7549 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7550 (expand_omp_sections): Similarly, with GOMP_sections_end.
7551 (expand_omp_single): New.
7552 (build_omp_regions_1): Update for OMP_CONTINUE.
7553 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7554 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7555 OMP_SECTIONS_SECTIONS.
7556 (lower_omp_single_simple): Don't emit barrier here.
7557 (lower_omp_single_copy): Likewise.
7558 (lower_omp_single): Fix bindings, and lower to straightline now.
7559 (lower_omp_master, lower_omp_ordered): Likewise.
7560 (lower_omp_critical): Likewise.
7561 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7562 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7563 omp edges, free it afterward.
7564 (make_omp_sections_edges): Remove.
7565 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7566 (move_stmt_r): Handle OMP_CONTINUE.
7567 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7568 statement pointers to basic blocks. Add type member.
7569 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7570 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7571 * tree-inline.c (estimate_num_insns_1): Likewise.
7572 * tree-pretty-print.c (dump_generic_node): Likewise.
7573 * tree-ssa-operands.c (get_expr_operands): Likewise.
7574 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7575 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7576 (OMP_CONTINUE): New.
7577 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7578 (OMP_SECTIONS_SECTIONS): Remove.
7579 (OMP_SECTION_LAST): New.
7580 (OMP_RETURN_NOWAIT): New.
7582 2006-04-13 Roger Sayle <roger@eyesopen.com>
7584 * fold-const.c (native_encode_vector, native_interpret_real):
7585 Correct obvious mistakes in the previous check-in.
7587 2006-04-13 Roger Sayle <roger@eyesopen.com>
7589 * fold-const.c (native_encode_expr): New function to encode
7590 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7591 or VECTOR_CST into a specified buffer.
7592 (native_encode_int): New function.
7593 (native_encode_real): New function.
7594 (native_encode_complex): New function.
7595 (native_encode_vector): New function.
7596 (native_interpret_expr): Inverse of native_encode_expr to convert
7597 a target representation into an INTEGER_CST, REAL_CST etc...
7598 (native_interpret_int): New function.
7599 (native_interpret_real): New function.
7600 (native_interpret_complex): New function.
7601 (native_interpret_vector): New function.
7602 (fold_view_convert_expr): New function to constant fold/evaluate
7603 a VIEW_CONVERT_EXPR of a suitable constant expression.
7604 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7605 Change call of build1 to fold_build1 when constructing a
7608 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7609 Ulrich Weigand <uweigand@de.ibm.com>
7612 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7615 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7618 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7619 optimize to lo_sum for DFmode if !TARGET_FPRS.
7621 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7623 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7624 delete_alias_info, compute_flow_sensitive_aliasing,
7625 group_aliases): Use VEC instead of VARRAY.
7626 * tree-ssa-structalias.c (update_alias_info): Likewise.
7627 * tree-ssa-structalias.h (alias_info): Change the type of
7628 processed_ptrs to VEC(tree,heap) *.
7630 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7633 * config/sh/lib1funcs.h: New file, broken out of:
7634 * config/sh/lib1funcs.asm.
7635 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7637 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7638 * config/sh/lib1funcs-Os-4-200.asm: New file.
7639 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7640 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7641 (EXTRA_MULTILIB_PARTS): Include it.
7642 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7643 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7644 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7645 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7648 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7650 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7651 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7652 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7654 * tree-ssa-live.h: Include vecprim.h.
7655 (tree_partition_associator_d): Change the type of
7656 first_partition to VEC(int,heap) *.
7657 (tpa_first_partition): Use VEC instead of VARRAY.
7659 * Makefile.in (GTFILES): Move functions.h after tree.h.
7660 * function.c (reset_block_changes, record_block_change,
7661 check_block_change, free_block_changes): Use VEC instead of
7663 * function.h (function): Change the type of
7664 ib_boundaries_block to VEC(tree,gc) *.
7665 * tree-inline.c (copy_cfg_body): Initialize
7666 ib_boundaries_block to NULL instead of (varray_type) 0.
7668 2006-04-12 Roger Sayle <roger@eyesopen.com>
7670 * expr.c (emit_group_store): Correct operand order in call to
7671 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7672 a SUBREG_BYTE of zero.
7674 2006-04-12 Richard Guenther <rguenther@suse.de>
7676 * profile.c (compute_branch_probabilities): Remove code
7677 encapsulated in !ir_type (), which are remanents of the
7678 removed RTL profiling code.
7679 * rtl-profile.c: Remove.
7681 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7683 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7684 magic NULL_RTX comment.
7685 (function_arg): Store entire fp arg to mem if any part should go
7687 (rs6000_arg_partial_bytes): Adjust for above change.
7689 2006-04-11 Roger Sayle <roger@eyesopen.com>
7691 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7692 if it hasn't been initialized by dwarf2out_init.
7694 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7696 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7697 symbolic constants in branch patterns.
7699 2006-04-11 Roger Sayle <roger@eyesopen.com>
7701 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7703 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7705 PR rtl-optimization/27073
7706 * gcse.c (try_replace_reg): Revert last change. Continue to search
7707 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7710 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7712 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7713 aggregate types other than record and union types.
7714 (function_arg): Likewise.
7715 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7717 (function_value): In 64-bit mode, return objects that require it
7720 2006-04-11 Roger Sayle <roger@eyesopen.com>
7722 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7724 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7726 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7728 2006-04-03 Jeff Law <law@redhat.com>
7731 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7732 alias information too.
7734 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7736 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7738 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7741 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7742 (premark_used_types_helper): New.
7743 (premark_used_types): New.
7744 (gen_subprogram_die): Call premark_used_types.
7745 (prune_unused_types_walk): Do not prune perennial dies.
7746 * function.c (used_types_insert): New.
7747 * function.h (struct function): Add used_types_hash field.
7748 (used_types_insert): Add prototype.
7749 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7750 * c-parser.c (c_parser_cast_expression): Save casted types in used
7753 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7756 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7757 rs6000_explicit_options.float_gprs.
7759 2006-04-10 Roger Sayle <roger@eyesopen.com>
7761 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7762 from ix86_expand_vector_init_low_nonzero. Take an additional
7763 one_var argument indicating which element is non-zero. Support
7764 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7765 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7766 with one_var instead of ix86_expand_vector_init_low_nonzero.
7768 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7770 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7771 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7772 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7773 build/genextract.o): Depend on vecprim.h.
7774 * cfglayout.c, df-problems.c, function.c, genextract.c,
7775 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7776 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7780 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7782 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7783 Declare VECs of this type.
7784 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7785 (remove_children): Delete.
7786 (add_dwarf_attr): Use VEC routines.
7787 (add_AT_flag): Update for changes to add_dwarf_attr.
7788 (add_AT_int): Likewise.
7789 (add_AT_unsigned): Likewise.
7790 (add_AT_long_long): Likewise.
7791 (add_AT_vec): Likewise.
7792 (add_AT_string): Likewise.
7793 (add_AT_die_ref): Likewise.
7794 (add_AT_fde_ref): Likewise.
7795 (add_AT_loc): Likewise.
7796 (add_AT_loc_list): Likewise.
7797 (add_AT_addr): Likewise.
7798 (add_AT_lbl_id): Likewise.
7799 (add_AT_lineptr): Likewise.
7800 (add_AT_macptr): Likewise.
7801 (add_AT_offset): Likewise.
7802 (add_AT_range_list): Likewise.
7803 (get_AT): Use VEC_iterate.
7804 (remove_AT): Use VEC_ordered_remove.
7805 (free_die): Fold remove_children into here; have it use VEC_iterate.
7806 (print_die): Use VEC_iterate on attrs.
7807 (reverse_die_lists): Don't reverse attr lists.
7808 (die_checksum): Use VEC_iterate on attrs.
7809 (same_die_p): Likewise.
7810 (output_location_lists): Likewise.
7811 (build_abbrev_table): Likewise.
7812 (size_of_die): Likewise.
7813 (unmark_all_dies): Likewise.
7814 (output_abbrev_section): Likewise.
7815 (output_die): Likewise.
7816 (prune_unused_types_walk_attribs): Likewise.
7818 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7820 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7822 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7825 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7827 2006-04-09 Roger Sayle <roger@eyesopen.com>
7829 * expr.c (store_constructor): Don't bother clearing target if
7830 we're about to assign a vector to it using vec_init_optab.
7832 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7834 * tree-ssa-alias.c (lhs_may_store_to): New function.
7835 (recalculate_used_alone): Handle LHS of calls.
7837 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7841 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7842 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7843 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7844 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7845 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7846 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7847 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7848 stubs. Add ".align 8" directives before all ".dword" directives.
7849 (GTHREAD_USE_WEAK): Revise comment.
7850 (TARGET_ATTRIBUTE_WEAK): Define.
7851 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7852 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7853 * stublib.c: New file.
7858 * pa.md (cbranch patterns): Revise arguments used in calls to
7859 output_cbranch, output_bb and output_bvd. Add long branch length
7861 (fbranch patterns): Handle long branches.
7862 (jump): Revise length check. Revise arguments for output_lbranch call.
7863 Add long branch length attributes.
7864 (decrement_and_branch_until_zero): Add long branch length attributes.
7865 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7866 Likewise. Revise arguments for output_parallel_addb and
7867 output_parallel_movb calls.
7868 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7869 output_parallel_movb and output_parallel_addb): Update prototypes.
7870 * pa.c (output_cbranch): Revise arguments. Correct handling of
7871 nullification in long branches.
7872 (output_lbranch): Add new argument to control extraction of delay
7874 (output_bb): Handle long branches.
7875 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7876 output_parallel_addb): Likewise.
7878 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7880 PR rtl-optimization/27073
7881 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7884 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7886 * tree.h (tree_memory_tag): Add old_used_alone.
7887 (SMT_OLD_USED_ALONE): New macro.
7888 * tree-ssa-alias.c (recalculate_used_alone): Stop
7889 marking things for renaming unnecessarily.
7891 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7893 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7894 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7895 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7896 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7897 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7898 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7899 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7900 spelling convensions.
7901 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7902 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7903 typos. Follow spelling conventions.
7905 2006-04-07 DJ Delorie <dj@redhat.com>
7907 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7908 passed on the stack.
7909 (m32c_init_cumulative_args): When a function returns a structure,
7910 always pass the pointer to that return area on the stack.
7911 (m32c_function_arg_advance): Don't increment the parameter number
7912 if we're processing the returned structure pointer.
7913 (pushm_info): Reverse order of registers.
7915 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7917 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7918 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7919 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7920 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7922 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7923 chrec_fold_multiply): Same.
7924 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7925 force_expr_to_var_cost): Same.
7926 * tree-mudflap.c (mf_xform_derefs_1): Same.
7927 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7929 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7931 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7932 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7935 2006-04-07 Jan Hubicka <jh@suse.cz>
7937 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7939 2006-04-07 Richard Guenther <rguenther@suse.de>
7941 PR tree-optimization/26135
7942 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7943 loads for store copy-prop.
7944 (copy_prop_visit_stmt): Likewise.
7946 2006-04-05 Robert Millan <robertmh@gnu.org>
7948 * config/i386/linux.h: Add a comment to mark macros that are
7949 being overriden in config/k*bsd-gnu.h.
7950 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7952 * config/knetbsd-gnu.h: Ditto.
7954 2006-04-06 Jan Hubicka <jh@suse.cz>
7958 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7961 2006-04-06 Mike Stump <mrs@apple.com>
7963 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7964 for HAVE_nonlocal_goto to be consistent.
7965 (expand_builtin_nonlocal_goto): Likewise.
7966 (expand_builtin_strcmp): Use #ifdef instead of #if
7967 for HAVE_cmpstrnsi to be consistent.
7969 2006-04-05 DJ Delorie <dj@redhat.com>
7971 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7974 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7976 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7977 got-relative addressing for anything but SImode.
7979 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7980 even if the calling function doesn't modify them.
7982 2006-04-05 Richard Guenther <rguenther@suse.de>
7984 PR tree-optimization/26919
7985 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7986 to cgraph_estimate_size_after_inlining.
7988 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7990 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7992 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7994 PR tree-optimization/26996
7995 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7996 VECTOR_TYPE variables.
7998 2006-04-05 Richard Guenther <rguenther@suse.de>
8000 PR tree-optimization/26763
8001 * fold-const.c (fold_comparison): Move folding of
8002 PTR + CST CMP PTR + CST ...
8003 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8005 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8007 * doc/install.texi (Prerequisites): Refine some wording on
8008 bootstrapping and ksh.
8009 Move the version numbers of DejaGnu here from the testing section
8010 and fix casing of names.
8011 Fix markup and clarify wording for autogen requirements.
8012 Refer to GCJ instead of just java.
8013 Refer to SVN instead of CVS.
8014 Describe diffutils as useful instead of necessary.
8015 (Downloading the source): Refer to SVN instead of CVS.
8016 Adjust a link to our web site accordingly.
8017 (Configuration): Fix casing of Bison.
8018 (Building): Refer to SVN instead of CVS.
8019 Fix a sentence on the use of Bison and remove duplicate (and
8020 incorrect) version number of Bison requirement.
8021 Remove one redundant list of packages needed for building.
8022 (Specific): Avoid reference to CVS.
8024 2006-04-04 Eric Christopher <echristo@apple.com>
8026 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8027 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8028 (rs6000_handle_struct_attribute): New.
8029 (rs6000_ms_bitfield_layout_p): Ditto.
8031 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8033 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8034 NULL for dso parameter to atexit_common.
8036 2006-04-04 Eric Christopher <echristo@apple.com>
8038 * config/i386/i386.c (machopic_output_stub): Output \t
8039 between instructions and operands.
8041 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8043 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8044 satisfies_constraint_[IL] to explicit tests on value.
8046 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8048 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8049 set_nb_iterations_in_loop): Use build_int_cst instead of
8051 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8052 build_int_cst instead of convert.
8054 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8056 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8057 new value 2 for incoming.
8058 * function.c (expand_function_start): Call struct_value_rtx
8060 * config/sparc/sparc.md: Comment updated_return.
8061 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8062 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8063 struct return if sparc_std_struct_return and incoming is 2.
8064 (print_operand): Do not adjust return if
8065 sparc_std_struct_return.
8067 2006-04-04 Roger Sayle <roger@eyesopen.com>
8069 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8070 convert in the middle-end.
8071 * expr.c (store_expr, store_constructor, get_inner_reference,
8072 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8074 * tree.c (build_range_type): Likewise.
8076 2006-04-04 Tom Tromey <tromey@redhat.com>
8078 * doc/install.texi (Prerequisites): Mention jar.
8080 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8082 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8085 2006-04-04 Matthias Klose <doko@debian.org>
8087 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8091 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8094 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8096 * doc/extend.texi (Function Attributes): Rewrite visibility
8097 attribute documentation.
8098 * doc/invoke.texi (C++ Dialect Options): Rewrite
8099 -fvisibility-inlines-hidden documentation to describe something
8100 entirely different, although in practise compatible.
8101 (Code Gen Options): Warn about system headers in -fvisibility=
8104 * doc/extend.texi (Other Builtins): Document that
8105 __builtin_nan is a compile-time constant only when its argument
8108 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8110 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8111 trying to remove TRUNCATE check if all bits outside the new mode
8112 are identical to the sign bit.
8114 2006-04-03 Jeff Law <law@redhat.com>
8116 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8117 and operand scanning in some common cases.
8119 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8120 Dale Johannesen <dalej@apple.com>
8123 * regclass.c (struct reg_pref): Update documentation.
8124 (regclass): Set prefclass to NO_REGS if memory is the best option.
8125 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8126 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8127 into account. For non-registers, equate an empty preferred
8128 reload class to a `!' in the constraint; move the if clause to
8129 do so after those that reject the insn.
8130 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8132 (find_dummy_reload): Likewise.
8133 * doc/tm.texi (Register Classes): Document what it means
8134 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8135 * config/i386/i386.c (ix86_preferred_reload_class): Force
8136 using SSE registers (and return NO_REGS for floating-point
8137 constants) if math is done with SSE.
8138 (ix86_preferred_output_reload_class): New.
8139 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8140 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8141 * config/i386/i386.md: Remove # register preferences.
8143 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8146 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8147 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8148 the type of nb_iter.
8149 (instantiate_parameters_1): Convert the operands before calling
8150 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8151 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8153 2006-04-02 Roger Sayle <roger@eyesopen.com>
8155 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8156 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8158 * dojump.c (do_jump): Likewise.
8159 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8160 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8161 gimplify_boolean_expr): Likewise.
8162 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8163 * varasm.c (array_size_for_constructor): Likewise.
8164 * tree-object-size.c (compute_object_offset): Likewise.
8166 2006-04-02 Roger Sayle <roger@eyesopen.com>
8169 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8170 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8172 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8174 PR tree-optimization/26939
8175 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8177 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8179 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8180 at_stmt. Convert the type of operands before calling
8181 build_polynomial_chrec.
8182 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8184 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8185 (instantiate_parameters_1): Convert the type of operands before calling
8186 build_polynomial_chrec.
8187 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8188 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8189 reset_evolution_in_loop): Insert asserts to check the types of the
8191 (chrec_type): Moved...
8192 (eq_evolutions_p): Use operand_equal_p.
8193 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8194 the types of the operands.
8195 (chrec_type): ...here.
8196 * tree-data-ref.c (create_data_ref): Convert the operands before
8197 calling chrec_replace_initial_condition.
8198 (same_access_functions, analyze_subscript_affine_affine,
8199 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8200 (compute_subscript_distance, analyze_ziv_subscript,
8201 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8202 analyze_miv_subscript): Convert the operands before calling
8203 chrec_fold_minus or chrec_fold_plus.
8205 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8207 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8208 the dependence_relations vector.
8209 (compute_data_dependences_for_loop): Adjust call to
8210 compute_all_dependences.
8212 2006-04-01 Roger Sayle <roger@eyesopen.com>
8213 Richard Henderson <rth@redhat.com>
8215 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8216 gimple_boolify on the condition before calling gimplify_expr.
8218 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8220 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8221 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8222 the frame size. Update to use the new macros.
8223 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8224 * config/xtensa/ieee754-df.S: Likewise.
8226 2006-03-31 Richard Henderson <rth@redhat.com>
8228 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8229 (make_edges): ... here. Control fallthru creation with a local
8230 variable. Do not play with fake edges.
8231 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8232 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8235 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8237 * dwarf2.h (DW64_CIE_ID): Define.
8238 * dwarf2out.c (DWARF_CIE_ID): Define.
8239 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8240 length header. Use DWARF_CIE_ID.
8241 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8242 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8244 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8246 * config/sh/linux-atomic.asm: New file.
8247 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8249 2006-03-31 DJ Delorie <dj@redhat.com>
8251 * config/m32c/cond.md: Set condition flags properly throughout.
8252 * config/m32c/minmax.md: Likewise.
8253 * config/m32c/prologue.md: Likewise.
8254 * config/m32c/bitops.md: Likewise.
8255 * config/m32c/muldiv.md: Likewise.
8256 * config/m32c/mov.md: Likewise.
8257 * config/m32c/addsub.md: Likewise.
8258 * config/m32c/m32c.md: Likewise.
8259 * config/m32c/jump.md: Likewise.
8260 * config/m32c/shift.md: Likewise.
8262 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8263 conditionally output the pattern for this.
8264 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8265 (m32c_compare_redundant): New.
8266 (m32c_output_compare): New.
8267 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8269 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8270 dest, not src. Allow other 4-byte modes.
8272 2006-03-30 Denis Chertykov <denisc@overta.ru>
8274 * doc/md.texi: Refer to avr/constraints.md instead of
8277 2006-03-30 Roger Sayle <roger@eyesopen.com>
8279 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8280 signed vs. unsigned comparison failures on some hosts.
8282 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8285 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8286 change to FLOAT_REGS.
8288 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8289 (rs6000_override_options): Use it.
8290 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8291 only for -mabi=spe/no-spe and -mabi=altivec.
8293 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8295 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8298 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8300 * Makefile.in: Rename docdir to gcc_docdir.
8302 2006-03-30 Roger Sayle <roger@eyesopen.com>
8305 * expr.c (emit_group_store): Optimize group stores into a pseudo
8306 register by using a paradoxical subreg to initialize the destination
8307 if the first or last member of the group specifies a "low part".
8309 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8312 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8313 * target.h (struct gcc_target.speculate_insn): Change type of the
8314 second parameter to 'int'.
8315 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8316 the second operand of the DEPS_LIST.
8317 (copy_DEPS_LIST_list): Update reference to the second operand of the
8319 * rtl.h (alloc_DEPS_LIST): Update signature.
8320 * sched-int.h (ds_t): Change typedef to 'int'.
8321 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8323 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8325 * haifa-sched.c (try_ready): Change condition to restore
8326 non-speculative pattern of the instruction.
8327 (process_insn_depend_be_in_spec): Code to keep probability of the
8328 speculative dependence non-decreasing.
8330 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8332 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8333 (single_move_for_movmem): ... this. Also change all uses.
8334 (bfin_expand_strmov): Renamed to...
8335 (bfin_expand_movmem): ... this. Also change all uses.
8336 * config/bfin/bfin.md (movstrsi): Renamed to...
8337 (movstrsi): ...this.
8339 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8341 PR tree-optimization/26830
8343 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8344 (copy_prop_visit_stmt): Remove write-only variable ann.
8345 (init_copy_prop): Check variable loop depth here. Do not simulate
8346 memory-tag and virtual operand PHIs except for store copy prop.
8348 2006-03-30 Richard Guenther <rguenther@suse.de>
8350 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8351 variants with double arguments.
8353 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8355 * genpreds.c (write_tm_constrs_h): Delete variable p.
8356 * genconditions.c (write_header): Add tm-constrs.h to included
8358 * genpeep.c (main): Add toplev.h to included headers.
8359 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8360 (build/genpeep.o): Add toplev.h dependency.
8361 * config/rs6000/constraints.md: Add "W" constraint.
8363 2006-03-29 Roger Sayle <roger@eyesopen.com>
8365 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8366 sizes by correctly testing whether the size fits a host integer.
8367 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8368 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8369 SImode range for the default sizetype and bitsizetype.
8371 2006-03-29 Roger Sayle <roger@eyesopen.com>
8373 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8374 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8375 quickly if the argument is already of the correct type.
8376 Call fold_build1 instead of build1. Tidy up blank lines.
8378 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8380 * genemit.c (main): Add tm-constrs.h to included headers.
8381 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8382 * genpeep.c (main): Add tm-constrs.h to included headers.
8383 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8384 (write_tm_constrs_h): this and write complete file.
8385 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8386 (write_insn_preds_c): Add tm-constrs.h to included headers.
8387 (gen_constrs): New variable.
8388 (parse_option): Parse "-c".
8389 (main): Invoke write_tm_constrs_h.
8390 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8391 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8392 (object_out_file): Add tm-constrs.h dependency.
8393 (insn-emit.o): Same.
8394 (insn-output.o): Same.
8395 (insn-peep.o): Same.
8396 (insn-preds.o): Same.
8397 (insn-recog.o): Same.
8398 (tm-constsr.h): New target.
8399 (s-constrs-h): New target.
8401 * config/rs6000/constraints.md: New file.
8402 * config/rs6000/rs6000.c: Include tm-constrs.h.
8403 (num_insn_constant_wide): Convert to satisfies_constraint.
8404 (rs6000_rtx_costs): Convert to satisfies_constraint.
8405 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8406 (CONST_OK_FOR_LETTER_P): Delete.
8407 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8408 (EXTRA_CONSTRAINT): Delete.
8409 (EXTRA_MEMORY_CONSTRAINT): Delete.
8410 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8411 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8412 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8413 satisfies_constraint.
8415 * config/i386/i386.c: Include tm-constrs.h.
8417 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8419 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8420 * tree-data-ref.c (find_data_references_in_loop,
8421 compute_data_dependences_for_loop): Use pointers to VEC.
8422 (analyze_all_data_dependences): Adjust calls.
8423 * tree-data-ref.h (find_data_references_in_loop,
8424 compute_data_dependences_for_loop): Adjust declarations.
8425 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8426 compute_data_dependences_for_loop.
8428 2006-03-29 Paul Brook <paul@codesourcery.com>
8430 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8433 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8435 PR tree-optimization/26859
8436 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8438 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8439 for the step after fold_convert.
8441 2006-03-29 Paul Brook <paul@codesourcery.com>
8443 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8444 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8446 2006-03-29 Paul Brook <paul@codesourcery.com>
8449 * targhooks.c (default_narrow_bitfield): New fuction.
8450 * targhooks.h (default_narrow_bitfield): add prototype.
8451 * target.h (gcc_target): Add narrow_volatile_bitfield.
8452 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8453 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8454 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8455 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8457 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8459 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8461 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8462 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8463 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8464 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8465 (s390_function_arg_float): Allow SDmode and DDmode values to be
8466 passed in floating point registers.
8467 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8468 check with SCALAR_FLOAT_MODE_P.
8469 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8471 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8473 PR tree-optimization/25985
8474 * tree-ssa-loop-niter.c (number_of_iterations_le,
8475 number_of_iterations_ne): Make comments more precise.
8476 (number_of_iterations_cond): Add only_exit argument. Use the
8477 fact that signed variables do not overflow only when only_exit
8479 (loop_only_exit_p): New.
8480 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8481 number_of_iterations_cond.
8483 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8485 PR tree-optimization/26643
8486 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8489 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8491 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8492 (divsi3_i4_int): Likewise.
8494 2006-03-28 Roger Sayle <roger@eyesopen.com>
8496 * expr.c (emit_group_store): Only create a new pseudo reg if the
8497 quantity it needs to hold isn't already a suitable pseudo.
8499 2006-03-28 Jeff Law <law@redhat.com>
8501 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8502 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8504 2006-03-28 Roger Sayle <roger@eyesopen.com>
8506 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8507 the equivalent ~X & Y, and the symmetry related transformations.
8508 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8509 ~X & Y, and symmetry related transforms.
8511 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8513 Revert my 2006-03-27 patches.
8515 2006-03-28 Roger Sayle <roger@eyesopen.com>
8517 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8518 ~(T1)X, when T1 and T2 are integer types of the same precision
8519 and (T2)X isn't an extension.
8521 2006-03-28 Jeff Law <law@redhat.com>
8523 PR tree-optimization/26796
8524 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8525 need EH edge cleanups rather than purging them immediately.
8526 (eliminate_degenerate_phis): Handle queued EH cleanups.
8528 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8530 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8533 2006-03-27 Roger Sayle <roger@eyesopen.com>
8536 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8537 cast BIT_NOT_EXPR operand to the correct type.
8539 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8541 * tree-loop-linear.c: Don't include varray.h.
8542 (gather_interchange_stats, try_interchange_loops,
8543 linear_transform_loops): Use VEC instead of VARRAY.
8544 * lambda-mat.c: Don't include varray.h.
8545 * tree-chrec.c: Same.
8546 * lambda-trans.c: Same.
8547 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8548 VEC instead of VARRAY.
8549 * tree-vectorizer.h: Idem.
8550 * tree-data-ref.c (dump_data_references,
8551 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8552 initialize_data_dependence_relation, finalize_ddr_dependent,
8553 compute_all_dependences, find_data_references_in_loop,
8554 compute_data_dependences_for_loop, analyze_all_data_dependences,
8555 free_dependence_relation, free_dependence_relations,
8556 free_data_refs): Idem.
8557 * tree-data-ref.h (data_reference_p, subscript_p): New.
8558 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8559 VEC instead of VARRAY.
8560 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8561 (find_data_references_in_loop, compute_data_dependences_for_loop,
8562 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8563 dump_data_dependence_relations, free_dependence_relations,
8564 free_data_refs): Adjust declaration.
8565 (lambda_transform_legal_p): Move declaration here...
8566 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8567 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8568 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8569 vect_analyze_data_refs): Use VEC instead of VARRAY.
8570 * lambda.h (lambda_transform_legal_p): ...from here.
8571 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8572 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8573 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8574 tree-chrec.o): Don't depend on VARRAY_H.
8576 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8578 * rtl.def (Copyright): Update date.
8579 (DEPS_LIST): Change type of the second operand to 'int'.
8580 * target.h (Copyright): Update date.
8581 (struct gcc_target.speculate_insn): Change type of the second parameter
8583 * lists.c (Copyright): Update date.
8584 (alloc_DEPS_LIST): Change signature. Update reference to the second
8585 operand of the DEPS_LIST.
8586 (copy_DEPS_LIST_list): Update reference to the second operand of the
8588 * rtl.h (Copyright): Update date.
8589 (alloc_DEPS_LIST): Update signature.
8590 * sched-int.h (Copyright): Update date.
8591 (ds_t): Change typedef to 'int'.
8592 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8594 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8596 * haifa-sched.c (Copyright): Update date.
8597 (try_ready): Change condition to restore non-speculative pattern
8599 (process_insn_depend_be_in_spec): Code to keep probability of the
8600 speculative dependence non-decreasing.
8602 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8604 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8605 shut up the compiler.
8607 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8609 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8610 to use lib prefix for target.
8611 ($(T)libic_invalidate_array_4-200.a): Likewise.
8612 ($(T)libic_invalidate_array_4a.a): Likewise.
8614 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8615 J"orn Rennecke <joern.rennecke@st.com>
8617 * superh.opt: New file.
8618 * sh.c (boardtype, osruntime): Remove.
8619 * superh.h (SUBTARGET_OPTIONS): Remove.
8620 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8622 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8623 arguments with ^ and/or [].
8625 * config.gcc (sh-*-*): Add quoting to account for quirk of
8627 Replace == with = in enable_incomplete_targets test.
8629 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8630 with MASK_LITTLE_ENDIAN.
8632 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8633 * config/sh/sh.opt: Added to some comments.
8634 * config/sh/superh.h: Removed some chaff.
8636 * config/sh/sh.opt: Add m4-[1234]00* options.
8637 * config/sh/sh.c (sh_handle_option): Likewise.
8638 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8639 (ic_invalidate_array_4-100.o): New rule.
8640 ($(T)libic_invalidate_array_4-100.a): Likewise.
8641 (ic_invalidate_array_4-200.o): Likewise.
8642 ($(T)libic_invalidate_array_4-200.a): Likewise.
8643 (ic_invalidate_array_4a.o): Likewise.
8644 ($(T)libic_invalidate_array_4a.a): Likewise.
8645 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8646 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8648 * config/sh/crt1.asm: Merged in profiling code.
8649 * config/sh/superh.h (STARTFILE_SPEC): Override.
8650 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8651 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8652 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8654 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8655 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8656 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8658 * sh.opt (mpretend-cmove): New option.
8659 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8660 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8661 (movsicc): Add TARGET_PRETEND_CMOVE code.
8663 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8665 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8666 s390_class_max_nregs): New function prototypes.
8667 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8668 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8669 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8670 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8672 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8674 * dwarf2out.c (add_location_or_const_value_attribute): Call
8675 tree_add_const_value_attribute if nothing else works.
8676 (reference_to_unused): New.
8677 (rtl_for_decl_init): Use reference_to_unused to decide whether
8678 to output an initializer.
8680 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8683 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8684 peephole removing spe frob_di_df_2.
8686 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8688 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8689 (subscript_dependence_tester_1): Declared.
8690 (print_dir_vectors, print_dist_vectors): New.
8691 (debug_data_dependence_relation): New.
8692 (dump_data_dependence_relation): Print more details.
8693 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8694 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8695 (save_dist_v, save_dir_v, add_outer_distances,
8696 build_classic_dist_vector_1): New.
8697 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8698 Don't test for lambda_vector_lexico_pos.
8699 (same_access_functions, add_multivariate_self_dist,
8700 add_other_self_distances, dir_from_dist): New.
8701 (build_classic_dir_vector): Replace implementation almost identical to
8702 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8704 (subscript_dependence_tester_1): New.
8705 (subscript_dependence_tester): Handle the lexicographically negative
8706 distance vectors by recomputing the dependence relation.
8707 (compute_affine_dependence): Remove parameter loop_nest_depth.
8708 (compute_self_dependence): Don't call compute_subscript_distance.
8709 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8710 Add a parameter for the loop_nest.
8711 (find_loop_nest_1, find_loop_nest): New.
8712 (compute_data_dependences_for_loop): Compute the loop nest, and give
8713 up if the nest is not well formed.
8714 * tree-data-ref.h (loop_p): New.
8715 (struct data_dependence_relation): Replace size_vect field with
8716 loop_nest, a vec of loops.
8717 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8718 (DDR_LOOP_NEST): New.
8719 (print_dir_vectors, print_dist_vectors,
8720 debug_data_dependence_relation): Declared.
8721 (index_in_loop_nest): New.
8722 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8723 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8726 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8728 * simplify-rtx.c (simplify_relational_operation): Call
8729 simplify_relational_operation_1 even if mode is VOIDmode.
8731 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8733 PR tree-optimization/26804
8734 * tree.h (DECL_CALL_CLOBBERED): New macro.
8735 (tree_decl_common): Add call_clobbered_flag.
8736 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8737 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8738 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8739 (mark_non_addressable): Ditto.
8740 * tree-ssa.c (verify_call_clobbered): New function.
8741 (verify_alias_info): Use it.
8742 * tree-pass.h (pass_reset_cc_flags): New prototype.
8743 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8744 (reset_cc_flags): New function.
8745 * passes.c (init_optimization_passes): Call reset_cc_flags after
8746 initializing referenced_vars.
8748 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8749 Roger Sayle <roger@eyesopen.com>
8752 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8753 to 1.0 for non-real operands. Implement A / A optimization for
8756 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8758 * config/i386/i386.c (size_cost): Correct the comment for
8759 cost of storing fp registers.
8760 (i386_cost): Likewise.
8761 (i486_cost): Likewise.
8762 (pentium_cost): Likewise.
8763 (pentiumpro_cost): Likewise.
8764 (k6_cost): Likewise.
8765 (athlon_cost): Likewise.
8766 (k8_cost): Likewise.
8767 (pentium4_cost): Likewise.
8768 (nocona_cost): Likewise.
8769 (generic64_cost): Likewise.
8770 (generic32_cost): Likewise.
8772 2006-03-24 Denis Chertykov <denisc@overta.ru>
8774 * config/avr/avr-protos.h (extra_constraint): Delete.
8775 (extra_constraint_Q): New declaration.
8776 * config/avr/constraints.md: New file.
8777 * config/avr/avr.md: Include it.
8778 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8779 (TMP_REGNO, ZERO_REGNO): Likewise.
8780 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8781 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8782 (extra_constraint): Delete.
8783 (extra_constraint_Q): Test for memory constraint 'Q'.
8784 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8785 (REG_CLASS_FROM_LETTER): Delete.
8786 (CONST_OK_FOR_LETTER_P): Delete.
8787 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8788 (EXTRA_CONSTRAINT): Delete.
8789 (TMP_REGNO): Delete.
8790 (ZERO_REGNO): Delete.
8792 2006-03-24 Jeff Law <law@redhat.com>
8794 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8795 directly. Call mark_new_vars_to_rename slightly earlier.
8797 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8799 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8801 (gen_compile_unit_die): Use new language types for Objective-C and
8803 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8804 DW_LANG_C_plus_plus.
8807 * config/t-darwin (crt3.o): Work around bug 26840.
8808 * config/darwin-crt3.c: Rewrite.
8809 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8811 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8813 * doc/invoke.texi: Document -femit-class-debug-always
8814 * common.opt: Add -femit-class-debug-always.
8816 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8818 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8819 index and base register.
8820 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8821 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8822 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8823 REGNO_OK_FOR_INDEX_P.
8824 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8826 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8827 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8828 REG_OK_FOR_BASE_P): Definitions removed.
8830 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8833 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8834 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8835 set yet or weren't marked as local yet.
8837 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8839 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8842 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8844 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8845 (rs6000_legitimate_small_data_p): Delete.
8846 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8847 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8848 and make static. Add forward declaration. Update uses.
8849 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8850 of offsettable_memref_p.
8851 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8852 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8854 2006-03-24 Jeff Law <law@redhat.com>
8856 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8857 around bug in immediate-use iterator.
8859 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8862 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8863 or __LITTLE_ENDIAN__.
8865 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8867 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8868 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8869 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8870 * config/sh/sh.opt (mdiv=): Amend description.
8871 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8872 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8873 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8874 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8875 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8876 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8877 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8878 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8879 TARGET_DIVIDE_CALL_FP.
8881 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8883 * haifa-sched.c (choose_ready): Fix type of the local variable.
8884 Move local variables. Add comment.
8885 (check_reg_live): Change signature. Make callable from debugger.
8886 * sched-int.h (check_reg_live): Update signature.
8887 * sched-ebb.c (check_reg_live): Update parameters.
8888 * sched-rgn.c (check_reg_live): Ditto.
8889 (region_head_or_leaf_p): Check pointer before dereferencing.
8890 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8891 before reload on optimization levels below 1.
8893 2006-03-23 Richard Henderson <rth@redhat.com>
8895 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8899 * config/alpha/predicates.md (local_symbolic_operand): Reject
8902 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8905 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8906 expressions which have overflowed constants.
8908 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8910 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8912 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8914 * cfgloopmanip.c (create_loop_notes): Removed.
8915 * final.c (final_scan_insn): Do not handle loop notes.
8916 * jump.c (squeeze_notes): Ditto.
8917 * cfglayout.c (skip_insns_after_block,
8918 duplicate_insn_chain): Ditto.
8919 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8921 * cfgloop.h (create_loop_notes): Declaration removed.
8923 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8925 * varasm.c (output_constant_pool): Restore fnname and fndecl
8927 (assemble_start_function): Adjust call accordingly.
8928 (assemble_end_function): Likewise.
8930 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8933 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8936 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8938 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8941 * system.h (ICE_EXIT_CODE): New macro.
8942 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8943 (diagnostic_action_after_output): Likewise.
8944 * gcc.c (fatal_ice): New function.
8945 (execute): Use it instead of fatal.
8946 (fancy_abort): Likewise.
8947 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8949 2006-03-22 Jeff Law <law@redhat.com>
8951 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8952 iv_analyze_result returning false.
8954 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8956 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8958 2006-03-22 Richard Henderson <rth@redhat.com>
8961 * except.c (duplicate_eh_regions_0): New.
8962 (duplicate_eh_region_1): Duplicate the children of the node as
8963 well as the node itself. Link them up properly.
8964 (duplicate_eh_region_2): Merge into ...
8965 (duplicate_eh_regions): ... here. Take copy_region argument, and
8966 copy only a sub-tree if asked. Simplify copying and fixup.
8967 (eh_region_outer_p): New.
8968 * except.h (duplicate_eh_regions): Update decl.
8969 (eh_region_outer_p): Declare.
8970 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8971 (lower_omp_master): Likewise.
8972 (lower_omp_ordered): Likewise.
8973 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8974 (move_stmt_r): Use it to remap labels. Handle recursion vs
8975 remap_decls_p properly.
8976 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8977 (find_outermost_region_in_block): New.
8978 (new_label_mapper): New.
8979 (move_sese_region_to_fn): Copy eh information to the new function
8981 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8983 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8986 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8988 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8989 into shared libraries.
8991 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8993 * doc/md.texi: Refer to i386/constraints.md instead of
8995 * config/i386/constraints.md: New file, extracted from...
8996 * config/i386/predicates.md: ...here.
8997 * config/i386/i386.md: Include constraints.md.
8999 2006-03-21 Jason Merrill <jason@redhat.com>
9001 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9004 * expr.c (init_block_move_fn): Force default visibility.
9005 (init_block_clear_fn): Likewise.
9006 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9007 * targhooks.c (default_external_stack_protect_fail): Likewise.
9009 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9011 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9012 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9013 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9014 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9015 (loadgp): Use mips_current_loadgp_style.
9016 (loadgp_noshared): New pattern.
9017 (sibcall_internal): Use MIPS_CALL.
9018 (sibcall_value_internal): Likewise.
9019 (sibcall_value_multiple_internal): Likewise.
9020 (call_internal): Likewise.
9021 (call_value_internal): Likewise.
9022 (call_value_multiple_internal): Likewise.
9023 (call_split): Use MIPS_CALL and add an 'S' constraint.
9024 (call_value_split): Likewise.
9025 (call_value_multiple_split): Likewise.
9026 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9027 (-mshared): New option.
9028 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9029 (mips_current_loadgp_style): Declare.
9030 * config/mips/mips.c (mips_classify_symbol): Avoid using
9031 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9032 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9033 TARGET_ABSOLUTE_ABICALLS.
9034 (override_options): Adjust comments. Improve the warning that is
9035 issued when -mabicalls and -G are used together.
9036 (mips_file_start): Remove comment.
9037 (mips_current_loadgp_style): New function.
9038 (mips_gnu_local_gp): New variable.
9039 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9041 (mips_output_function_prologue): Use mips_current_laodgp_style.
9042 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9043 the cprestore instruction.
9044 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9045 live for TARGET_ABSOLUTE_ABICALLS.
9046 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9047 (ASM_SPEC): Pass down -mshared and -mno-shared.
9048 (MIPS_CALL): New macro.
9049 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9051 * doc/invoke.texi (-mabicalls): Update documentation.
9052 (-mshared): Document.
9054 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9056 * config/ia64/unwind-hpux.c: New file.
9057 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9059 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9062 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9064 2006-03-21 Jeff Law <law@redhat.com>
9066 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9067 type conversions of a VR_VARYING source to a wider type.
9069 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9071 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9072 tm_file on Solaris 10 and later.
9073 (sparc64-*-solaris2*): Likewise.
9074 (sparc-*-solaris2*): Likewise.
9075 * config/sol26.h: Rename to config/sol2-6.h.
9076 * config/sol2-10.h: New file.
9078 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9081 * tree-ssa-pre.c (create_component_ref_by_pieces):
9084 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9087 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9088 return it immediately.
9090 2006-03-21 Michael Matz <matz@suse.de>
9092 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9094 (remove_arc, add_arc): Update num_out_arcs member.
9095 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9097 (cache_presence): New function.
9098 (compare_states_for_equiv): New function.
9099 (state_is_differed): Don't take number of outargs, adjust callers.
9100 Use new invariant for speeding up.
9101 (init_equiv_class): Create initial classes based on sorted
9103 (partition_equiv_class): Don't track out_arcs_num.
9104 (evaluate_equiv_classes): Call cache_presence on all states and
9107 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9109 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9110 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9111 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9112 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9114 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9115 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9116 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9117 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9118 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9120 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9121 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9122 (REGNO_REG_CLASS): ARGP is in PREGS.
9123 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9125 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9126 to deal with those addresses.
9127 * addresses.h: New file.
9128 * caller-save.c: Include "addresses.h".
9129 (init_caller_save): Use new base_reg_class function.
9130 * rtl-factoring.c: Include "addresses.h".
9131 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9132 * recog.c: Include "addresses.h".
9133 (preprocess_constraints): Use new base_reg_class function.
9134 * regrename.c: Include "addresses.h".
9135 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9136 functions. Keep track of a new var INDEX_CODE to compute valid
9138 (replace_oldest_value_addr): Likewise.
9139 (replace_oldest_value_mem): Use base_reg_class.
9140 * reload.c: Include "addresses.h".
9141 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9142 (find_reloads): Use new base_reg_class function.
9143 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9144 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9145 all callers and prototype changed.
9146 * reload1.c: Include "addresses.h".
9147 (maybe_fix_stack_asms): Use base_reg_class.
9148 * regclass.c: Include "addresses.h".
9149 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9150 (init_reg_autoinc): Use new base_reg_class function.
9151 (record_reg_classes): Likewise.
9152 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9153 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9154 Use new args to compute necessary class.
9156 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9157 regrename.o, rtl-factoring.o): Update dependencies.
9158 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9159 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9160 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9161 REG_OK_FOR_INDEX_P): Delete documentation.
9163 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9165 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9166 from V7 to V9 for Solaris 7 and above.
9168 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9170 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9171 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9172 argument pointers may not alias any other storage.
9173 * common.opt: Define option -fargument-noalias-anything.
9174 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9175 alias semantics is specified by flag_argument_noalias > 2.
9177 2006-03-20 Jeff Law <law@redhat.com>
9179 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9180 (pass_phi_only_cprop): Declare.
9181 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9183 * tree-ssa-dom.c (degenerate_phi_result): New function.
9184 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9185 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9186 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9187 (eliminate_degenerate_phis): Likewise.
9188 (pass_phi_only_cprop): New pass descriptor.
9189 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9190 support code. Callers updated.
9191 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9192 (store_copy_prop): Likewise.
9193 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9195 2006-03-20 Jason Merrill <jason@redhat.com>
9198 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9199 (push_visibility, pop_visibility): Likewise.
9200 * c-pragma.h: Declare them.
9202 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9204 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9206 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9207 parameter and use get_ebb_head_tail.
9208 (sh_md_init_global): Adjust uses of find_regmode_weight.
9210 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9212 * function.h (struct function) <x_tail_recursion_reentry>:
9213 Rename to x_stack_check_probe_note.
9214 (tail_recursion_reentry): Rename to stack_check_probe_note.
9215 * function.c: Replace tail_recursion_reentry with
9216 stack_check_probe_note everywhere.
9217 (expand_function_start): Only emit a note for
9218 stack_check_probe_note with -fstack-protect.
9219 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9221 * emit-rtl.c (remove_unnecessary_notes): Remove.
9222 (pass_remove_unnecessary_notes): Remove.
9223 * rtl.h (remove_unnecessary_notes): Remove prototype.
9224 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9225 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9226 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9228 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9231 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9232 (valid_in_set): Handle ARRAY_REF.
9233 Change "if min_variant or VH" to asserts.
9234 (create_component_ref_by_pieces): Handle ARRAY_REF.
9235 (create_expression_by_pieces): Likewise.
9236 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9238 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9240 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9241 is operand of switch, not str[0].
9243 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9245 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9246 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9248 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9250 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9251 end of insn_extra_address_constraint declaration.
9253 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9255 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9256 (no-sum-in-toc): Same.
9257 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9259 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9260 NO_FP_IN_TOC for -fPIC instead of mask.
9262 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9263 (BOOT_LDFLAGS): Delete.
9265 * config/rs6000/t-aix52: Same.
9267 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9268 (stmsi[345678]_power): New.
9270 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9272 * config/ia64/ia64.opt: Add empty line to end of file.
9274 2006-03-17 Richard Guenther <rguenther@suse.de>
9277 * builtins.c (get_pointer_alignment): For component style references
9278 adjust alignment to the component type alignment. Make sure
9279 to adjust alignment for component access of constants.
9281 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9283 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9286 2006-03-17 Paul Brook <paul@codesourcery.com>
9288 * doc/install.texi: Docuemnt --with-mode.
9289 * config.gcc: Add --with-mode for arm*-*-*.
9290 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9292 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9294 * sh.c (max_labelno_before_reorg): New variable.
9295 (sh_reorg): Initialize it.
9296 (find_barrier): Check max_labelno_before_reorg before using
9297 label_to_alignment. Take length of explicit alignment insns
9298 into account. When seeing a UNSPECV_CONST_END, return it.
9300 * sh.c (fixup_mova): Set mode of affected label to QImode.
9301 (untangle_mova): New function.
9302 (find_barrier): Use it. Check mode of label before decrementing
9304 (sh_reorg): Likewise.
9305 Set mode of all insns back to VOIDmode.
9307 * sh.c (MOVA_LABELREF): New macro.
9308 (mova_p, fixup_mova, sh_reorg): Use it.
9309 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9310 ADDR_DIFF_VEC matches mova.
9312 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9314 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9315 with ATTRIBUTE_UNUSED.
9317 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9319 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9320 pointer, instead of assuming it is possible to derive the
9321 correct args size from a call insn.
9323 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9325 * rtl.h (CONST_INT_P): Define.
9326 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9327 instead of GET_CODE(x) == CONST_INT.
9328 (vax_rtx_costs): Likewise.
9329 (vax_output_int_move): Likewise.
9330 (vax_output_int_add): Likewise.
9331 (legitimate_constant_address_p): Likewise.
9332 (index_term_p): Likewise.
9333 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9334 * config/vax/vax.md (and<mode>3): Likewise.
9335 (ashrsi3): Likewise.
9337 (movstricthi): Likewise.
9338 (movstrictqi): Likewise.
9339 (rotrsi3): Likewise.
9340 (five unnamed insns): Likewise.
9342 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9344 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9345 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9346 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9347 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9348 Pass to ASM_OUTPUT_DWARF_OFFSET.
9349 * dwarf2out.c (debug_frame_section): New.
9350 (output_call_frame_info): Use debug_frame_section. Pass it to
9351 dw2_asm_output_offset.
9352 (output_die): Pass appropriate section to dw2_asm_output_offset.
9353 (output_compilation_unit_header): Likewise.
9354 (output_pubnames): Likewise.
9355 (output_aranges): Likewise.
9356 (enum dw_val_class): Break dw_val_class_lbl_offset into
9357 dw_val_class_lineptr and dw_val_class_macptr.
9358 (add_AT_lbl_offset): Delete.
9359 (add_AT_lineptr): New.
9360 (add_AT_macptr): New.
9361 (AT_lbl): Expect a lineptr or macptr.
9362 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9363 (attr_checksum): Likewise.
9364 (same_dw_val_p): Likewise.
9365 (size_of_die): Likewise.
9366 (value_format): Likewise.
9367 (output_die): Likewise.
9368 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9370 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9371 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9372 * config/darwin-protos.h (darwin_file_start): New.
9373 (darwin_asm_output_dwarf_offset): New.
9374 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9375 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9377 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9378 if not EH section; simplify.
9379 (darwin_file_start): New.
9380 (darwin_asm_output_dwarf_offset): New.
9381 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9383 (DEBUG_INFO_SECTION): Likewise.
9384 (DEBUG_ABBREV_SECTION): Likewise.
9385 (DEBUG_ARANGES_SECTION): Likewise.
9386 (DEBUG_MACINFO_SECTION): Likewise.
9387 (DEBUG_LINE_SECTION): Likewise.
9388 (DEBUG_LOC_SECTION): Likewise.
9389 (DEBUG_PUBNAMES_SECTION): Likewise.
9390 (DEBUG_STR_SECTION): Likewise.
9391 (DEBUG_RANGES_SECTION): Likewise.
9392 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9393 (ASM_OUTPUT_DWARF_OFFSET): New.
9395 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9397 * config.gcc (tm_defines): Always add to previous value rather
9400 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9402 * config/mips/predicates.md (splittable_const_int_operand): New,
9403 split from move_operand.
9404 (splittable_symbolic_operand): New.
9405 (move_operand): Add commentary. Use splittable_const_int_operand.
9406 Inline mips_atomic_symbolic_constant_p.
9407 * config/mips/mips.md: Add combine splitters for handling moves
9408 of splittable_const_int_operands and splittable_symbolic_operands.
9409 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9410 (mips_split_symbol): Declare.
9411 (mips_move_integer): Declare.
9412 * config/mips/mips.c (mips_split_p): Make global.
9413 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9414 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9415 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9416 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9417 (mips_offset_within_object_p): Handle block symbols.
9418 (mips_atomic_symbolic_constant_p): Delete.
9419 (mips_cannot_force_const_mem): Return false for constants that
9420 mips_legitimize_move can handle.
9421 (mips_use_blocks_for_constant_p): New function.
9422 (mips_split_symbol): Make global.
9423 (mips_move_integer): Likewise. Add a temporary register argument.
9424 (mips_legitimize_const_move): Use splittable_const_int_operand and
9425 splittable_symbolic_operand.
9426 (mips_use_anchors_for_symbol_p): New function.
9427 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9428 (mips_split_p): Declare.
9430 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9432 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9433 (mips*-*-linux*): Likewise.
9435 2006-03-16 Roger Sayle <roger@eyesopen.com>
9436 Daniel Speyer <dspeyer@wam.umd.edu>
9439 * tree-dump.c (dump_real): New function.
9440 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9441 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9442 (tree-dump.o): Add $(REAL_H) to the dependencies.
9444 2006-03-16 Roger Sayle <roger@eyesopen.com>
9447 * real.c (real_from_string): If the mantissa is zero, don't bother
9448 parsing the exponent as the result should always be zero.
9450 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9452 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9454 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9456 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9457 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9458 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9459 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9460 ia64_sched_finish_global): New static functions to implement
9461 hooks from gcc_target.sched.
9462 (spec_check_no, max_uid, pending_data_specs): New static variables.
9463 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9464 ia64_spec_check_src_p): New static functions.
9465 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9466 (TARGET_SCHED_ADJUST_COST): Removed.
9467 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9468 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9469 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9470 TARGET_SCHED_GEN_CHECK,
9471 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9472 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9473 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9474 Fixed to handle speculation checks.
9475 (rtx_needs_barrier): Fixed to handle speculative loads and
9477 (ia64_variable_issue): Added code to count speculative loads and their
9479 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9481 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9483 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9485 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9486 (ia64_reorg): Reset stops_p to NULL after it is freed.
9487 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9488 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9489 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9491 (data_speculative, control_speculative, check_load): New attributes.
9492 (mov<mode>_advanced, mov<mode>_speculative,
9493 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9494 zero_extend<mode>di2_speculative,
9495 zero_extend<mode>di2_speculative_advanced): New patterns for
9496 data and control speculative loads.
9497 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9499 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9500 New pattern for data and control speculation checks.
9501 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9502 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9503 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9504 Auxiliary definitions for the patterns.
9505 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9506 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9508 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9510 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9511 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9512 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9513 New resource constraints.
9514 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9516 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9517 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9518 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9519 msched-in-control-spec, msched-ldc, msched-control-ldc,
9520 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9521 msched-prefer-non-control-spec-insns,
9522 msched-count-spec-in-critical-path): New flags to tune speculative
9524 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9525 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9526 msched-in-control-spec, msched-ldc, msched-control-ldc,
9527 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9528 msched-prefer-non-control-spec-insns,
9529 msched-count-spec-in-critical-path): Document new flags.
9531 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9533 * target.h (struct spec_info_def): New opaque declaration.
9534 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9535 speculate_insn, needs_block_p, gen_check,
9536 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9537 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9538 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9539 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9540 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9541 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9543 (TARGET_SCHED): Use new macros.
9544 * rtl.h (copy_DEPS_LIST_list): New prototype.
9545 * sched-int.h (struct sched_info): Change signature of new_ready field,
9546 adjust all initializations. New fields: add_remove_insn,
9547 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9548 region_head_or_leaf_p.
9549 (struct spec_info_def): New structure declaration.
9550 (spec_info_t): New typedef.
9551 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9552 recovery_block, orig_pat.
9553 (glat_start, glat_end): New variables declaraions.
9554 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9556 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9557 DETACH_LIFE_INFO, USE_GLAT.
9558 (enum SPEC_SCHED_FLAGS): New enumeration.
9559 (NOTE_NOTE_BB_P): New macro.
9560 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9561 attach_life_info, debug_spec_status, check_reg_live): New functions.
9562 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9563 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9565 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9566 * ddg.c (get_block_head_tail): Adjust all uses.
9567 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9568 (sms_sched_info): Initialize new fields.
9569 (contributes_to_priority): Removed.
9570 * haifa-sched.c (params.h): New include.
9571 (get_block_head_tail): Adjust all uses.
9572 (ISSUE_POINTS): New macro.
9573 (glat_start, glat_end): New global variables.
9574 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9575 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9576 old_last_basic_block, before_recovery, current_sched_info_var,
9577 rgn_n_insns, luid): New static variables.
9578 (insn_cost1): New function. Move logic from insn_cost to here.
9579 (find_insn_reg_weight1): New function. Move logic from
9580 find_insn_reg_weight to here.
9581 (reemit_notes, move_insn, max_issue): Change signature.
9582 (move_insn1): Removed.
9583 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9584 extend_bb): New static functions to support extension of scheduler's
9586 (generate_recovery_code, process_insn_depend_be_in_spec,
9587 begin_speculative_block, add_to_speculative_block,
9588 init_before_recovery, create_recovery_block, create_check_block_twin,
9589 fix_recovery_deps): New static functions to support
9590 generation of recovery code.
9591 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9592 restore_bb_notes, move_block_after_check, move_succs): New static
9593 functions to support ebb scheduling.
9594 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9595 functions to support handling of register live information.
9596 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9597 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9598 add_jump_dependencies): New static functions.
9599 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9600 consistancy checking.
9601 (debug_spec_status): New function to call from debugger.
9602 (priority): Added code to handle speculation checks.
9603 (rank_for_schedule): Added code to distinguish speculative instructions.
9604 (schedule_insn): Added code to handle speculation checks.
9605 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9606 Fixed to handle ebbs.
9607 (move_insn): Added code to handle ebb scheduling.
9608 (max_issue): Added code to use ISSUE_POINTS of instructions.
9609 (choose_ready): Added code to choose between speculative and
9610 non-speculative instructions.
9611 (schedule_block): Added code to handle ebb scheduling and scheduling of
9612 speculative instructions.
9613 (sched_init): Initialize new variables.
9614 (sched_finish): Free new variables. Print statistics.
9615 (try_ready): Added code to handle speculative instructions.
9616 * lists.c (copy_DEPS_LIST_list): New function.
9617 * sched-deps.c (extend_dependency_caches): New function. Move logic
9618 from create_dependency_caches to here.
9619 (get_dep_weak, ds_merge): Make global.
9620 * genattr.c (main): Code to output prototype for
9621 dfa_clear_single_insn_cache.
9622 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9623 (output_dfa_clean_insn_cache_func): Code to output
9624 dfa_clear_single_insn_cache function.
9625 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9627 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9629 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9630 New static variables.
9631 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9632 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9634 (ebb_sched_info): Initialize new fields.
9635 (get_block_head_tail): Adjust all uses.
9636 (compute_jump_reg_dependencies): Fixed to use glat_start.
9637 (schedule_ebb): Code to remove unreachable last block.
9638 (schedule_ebbs): Added code to update register live information.
9639 * sched-rgn.c (region_sched_info): Initialize new fields.
9640 (get_block_head_tail): Adjust all uses.
9641 (last_was_jump): Removed. Adjust users.
9642 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9643 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9644 Implement new hooks.
9645 (check_dead_notes1): New static function.
9646 (struct region): New fields: dont_calc_deps, has_real_ebb.
9647 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9648 (BB_TO_BLOCK): Fixed to handle EBBs.
9649 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9650 (ebb_head): New static variable.
9651 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9652 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9654 (compute_dom_prob_ps): New assertion.
9655 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9656 global_live_at_start.
9657 (init_ready_list): New assertions.
9658 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9659 (new_ready): Add support for BEGIN_CONTROL speculation.
9660 (schedule_insns): Fixed code that updates register live information
9662 (schedule_region): Fixed to handle EBBs.
9663 (init_regions): Use extend_regions and check_dead_notes1.
9664 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9665 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9666 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9667 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9668 TARGET_SCHED_GEN_CHECK,
9669 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9670 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9671 * doc/invoke.texi (max-sched-insn-conflict-delay,
9672 sched-spec-prob-cutoff): Document.
9674 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9676 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9677 inter_tick, queue_index.
9678 (struct sched_info): Change signature of init_ready_list field.
9679 Adjust all initializations.
9680 (RESOLVED_DEPS): New access macro.
9681 (ready_add): Remove prototype.
9682 (try_ready): Add prototype.
9683 * sched-rgn.c (init_ready_list): Use try_ready.
9684 (schedule_region): Initialize
9685 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9686 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9687 (init_ready_list): Use try_ready.
9688 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9689 * lists.c (remove_list_elem): Remove `static'.
9690 (remove_free_INSN_LIST_elem): New function.
9691 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9692 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9693 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9695 (readyp): New variable.
9696 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9697 change_queue_index, resolve_dep): New static functions.
9698 (try_ready): New function. Adjust callers in sched-rgn.c and
9699 sched-ebb.c to use it instead of ready_add.
9700 (clock_var): Move at the begining of file.
9701 (rank_for_schedule): Fix typo.
9702 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9703 (ready_lastpos): Enforce assertion.
9704 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9706 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9707 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9708 (queue_to_ready): Use free_INSN_LIST_list.
9709 (early_queue_to_ready): Fix typo.
9710 (schedule_block): Init readyp. Move init_ready_list call after the
9711 initialization of clock_var. Fix error in rejecting insn by
9712 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9713 that previously corrected INSN_TICKs. Add code for handling
9715 (set_priorities): Fix typo.
9716 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9717 Clarify comment and code that keeps current_sched_info->next_tail
9720 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9722 * sched-rgn.c (extend_rgns): New static function.
9723 (find_rgns): Use it.
9724 (gather_region_statistics, print_region_statistics): New static
9726 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9727 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9729 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9730 Andrey Belevantsev <abel@ispras.ru>
9732 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9733 * lists.c (unused_deps_list): New variable.
9734 (free_list): Add assertions to verify the proper distinguishing
9735 between INSN_LISTs and DEPS_LISTs.
9736 (find_list_elem, remove_list_elem, remove_list_node): New static
9738 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9739 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9740 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9741 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9743 (free_INSN_LIST_node): Likewise.
9744 * modulo-sched.c (current_sched_info): Initialize flags field.
9745 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9746 * rtl.def (DEPS_LIST): Define.
9747 * rtl.h: Declare new functions from lists.c.
9748 * sched-deps.c (spec_dependency_cache): New static variable.
9749 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9750 (add_dependence): Change return type to void. Move the logic to ...
9751 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9752 (delete_all_dependences): Add comment about forward_dependency_cache.
9753 Handle spec_dependency_cache. Handle DEPS_LISTs.
9754 (fixup_sched_groups): Clarify the change of priority of output
9755 and anti dependencies.
9756 (sched_analyze_2): Adjust add_dependence calls to create data
9757 speculative dependence.
9758 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9759 Adjust all callers. Handle DEPS_LISTS.
9760 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9761 presence of speculation.
9762 (init_dependency_caches, free_dependency_caches):
9763 Handle spec_dependency_cache.
9764 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9765 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9766 New static functions.
9767 (add_or_update_back_dep, add_or_update_back_forw_dep,
9768 add_back_forw_dep, delete_back_forw_dep): New functions.
9769 * sched-int.h (ds_t, dw_t): New typedefs.
9770 (struct sched_info): Add new field flags.
9771 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9772 Prototype new sched-deps.c functions.
9773 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9774 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9775 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9776 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9777 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9778 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9780 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9782 * sched-rgn.c (current_sched_info): Initialize flags field.
9783 (schedule_insns): Initialize current_sched_info before the sched_init
9785 * sched-ebb.c (current_sched_info): Initialize flags field.
9786 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9787 Call add_or_update_back_dep instead of add_dependence.
9788 Create control speculative dependencies.
9789 (schedule_insns): Initialize current_sched_info before the sched_init
9792 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9794 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9796 (sh_fallback_frame_state): Likewise.
9798 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9800 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9801 Do switch on default_use_cxa_atexit.
9802 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9803 * config/darwin-crt3.o: New.
9804 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9805 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9806 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9808 * config/rs6000/t-darwin: Move crt2.o building to here.
9809 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9810 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9813 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9815 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9816 from '! xxx' to '!xxx' for coding-style conformance.
9817 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9818 (EXTRA_CONSTRAINT): Likewise.
9819 * config/vax/vax.md (four unnamed insns): Likewise.
9821 2006-03-15 Paul Brook <paul@codesourcery.com>
9823 * config/arm/arm.c (minipool_pad): New.
9824 (add_minipool_forward_ref): Include pool alignment padding in address
9826 (push_minipool_fix): Set minipool_pad.
9827 (minipool_pad): Ditto.
9829 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9831 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9832 instead of GET_CODE() == MEM and REG_P() instead of
9834 (print_operand_address): Likewise.
9835 (vax_address_cost): Likewise.
9836 (vax_rtx_costs): Likewise.
9837 (vax_notice_update_cc): Likewise.
9838 (vax_output_int_add): Likewise.
9839 (INDEX_REGISTER_P): Likewise.
9840 (BASE_REGISTER_P): Likewise.
9841 (nonindexed_address_p): Likewise.
9842 (vax_mode_dependent_address_p): Likewise.
9843 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9844 (PRINT_OPERAND): Likewise.
9845 * config/vax/vax.md (ashlsi3): Likewise.
9846 (ashlsi3): Likewise.
9847 (some more unnamed insns): Likewise.
9849 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9851 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9852 iterator-style macro.
9853 (mark_control_dependent_edges_necessary): Update the use of
9854 EXECUTE_IF_CONTROL_DEPENDENT.
9856 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9858 * config/sh/predicates.md (cache_address_operand): Special.
9859 (ua_address_operand): Likewise.
9861 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9863 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9865 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9867 2006-03-15 Andreas Schwab <schwab@suse.de>
9869 * gensupport.c (identify_predicable_attribute): Don't free p_false
9870 when it is still in use.
9872 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9874 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9875 the default setting here.
9877 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9879 * tree-pass.h (pass_cfg): Remove.
9880 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9881 * passes.c (pass_cfg): Don't run it.
9883 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9885 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9886 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9888 (stack_regs_mentioned): Update the uses of
9889 stack_regs_mentioned_data. Don't access the array beyond its
9891 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9892 Don't include gt-reg-stack.h.
9894 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9895 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9897 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9900 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9903 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9905 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9907 2006-03-14 Richard Guenther <rguenther@suse.de>
9909 PR tree-optimization/26672
9910 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9913 2006-03-14 Richard Guenther <rguenther@suse.de>
9915 PR tree-optimization/26667
9916 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9917 node for the callees. Always allow inlining if it will shrink
9920 2006-03-14 Richard Guenther <rguenther@suse.de>
9923 * builtins.c (get_pointer_alignment): Prefer alignment
9924 information from decls over that from types.
9926 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9929 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9931 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9933 * config/rs6000/rs6000.opt (mdlmzb): New option.
9934 (msched-prolog, msched-epilog): Use Var not Mask.
9935 * doc/invoke.texi (-mdlmzb): Document.
9936 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9938 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9939 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9941 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9943 PR rtl-optimization/25739
9944 * bt-load.c (augment_live_range): Free tos pointer.
9946 * gensupport.c (identify_predicable_attribute): Free
9948 * gcov.c (create_file_names): Free name pointer.
9950 2006-03-13 Roger Sayle <roger@eyesopen.com>
9953 * stmt.c (emit_case_nodes): Handle the case where the index is a
9954 CONST_INT, where the comparison mode is specified by the index type.
9956 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9958 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9961 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9963 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9964 (*branch_fp_inverted): Likewise.
9966 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9969 * omp-low.c (expand_omp_for_generic): Mark istart0
9970 and iend0 as addressable.
9972 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9974 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9976 2006-03-13 Jeff Law <law@redhat.com>
9978 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9979 virtual operands are interesting.
9980 (vrp_visit_stmt): Corresponding changes.
9982 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9984 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9986 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9987 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9988 * config/bfin/crti.S: Use it instead of __PIC__.
9989 * config/bfin/crtn.S: Likewise.
9991 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9992 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9994 Lose 'G' modifier for call operand.
9995 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9996 recognize 'G' modifier.
9998 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10000 PR middle-end/18859
10001 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10002 * stmt.c (expand_case): Likewise.
10004 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10006 PR rtl-optimization/26254
10007 * loop-invariant.c (seq_insns_valid_p): New function.
10008 (move_invariant_reg): Only emit new code if it is valid.
10010 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10012 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10014 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10015 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10016 (commit_one_edge_insertion): Do not look for loop notes.
10018 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10020 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10021 flag_test_coverage out of loop.
10023 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10025 * final.c (shorten_branches): Remove outdated comment, and turn
10026 the if branch that guards it to continue.
10028 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10030 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10031 * cfgloop.h (struct loop): Remove unused fields.
10033 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10035 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10036 (-dL, -fdump-rtl-loop2): Update the dump file names
10038 * doc/invoke.texi: Update dump file names.
10040 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10042 * predict.c (estimate_probability): Remove.
10043 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10044 * basic-block.h (estimate_probability): Remove prototype.
10045 * passes.c (finish_optimization_passes): Dump branch prediction or
10046 profiling heuristics to the .profile tree dump.
10047 (init_optimization_passes): Unqueue pass_branch_prob.
10049 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10051 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10053 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10054 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10056 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10058 * function.h (frame_offset_overflow): Declare.
10059 * function.c (frame_offset_overflow): New function.
10060 (assign_stack_local_1): Call it to detect that the offset overflows.
10061 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10063 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10065 * config/sh/sh.c: Include alloc-pool.h.
10066 (label_ref_list_pool): New alloc pool.
10067 (label_ref_list_t): New type for lists of labels.
10068 (struct pool_node): Make wend a label_ref_list_t.
10069 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10071 (dump_table): Likewise.
10072 (sh_reorg): Set up the alloc pool before using add_constant and
10073 dump_table, and destroy it when finishing.
10075 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10077 * config/mips/mips.c: Remove redundant comment.
10079 2006-03-10 Jason Merrill <jason@redhat.com>
10082 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10083 the target was declared 'register'.
10085 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10087 * genpreds.c (write_insn_constraint_len): Change definition of
10088 insn_constraint_len to return size_t to match the declaration.
10090 2006-03-10 DJ Delorie <dj@redhat.com>
10092 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10094 (m32c_expand_insv): Fix test for an AND mask.
10096 2006-03-10 Richard Guenther <rguenther@suse.de>
10098 PR middle-end/26565
10099 * builtins.c (get_pointer_alignment): Handle component
10100 references for field alignment.
10102 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10104 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10105 when building with libgloss.
10106 (sh*elf): Implement --without-fp option.
10107 (sh64-superh-linux*): Don't multilib.
10109 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10111 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10113 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10115 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10116 Set it when one of the replacement functions returned true.
10117 Return TODO_cleanup_cfg if cfgchanged is true.
10118 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10120 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10122 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10123 instead of gen_lowpart.
10125 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10127 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10129 (mips_output_order_conditional_branch): Declare.
10130 * config/mips/mips.h (MIPS_BRANCH): New macro.
10131 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10132 for the comparison. Use gen_condjump.
10133 (mips_output_conditional_branch): Rework interface to take the
10134 asm templates for a direct branch and the inverse of a direct branch.
10135 (mips_output_order_conditional_branch): New function.
10136 (mips_builtin_branch_and_move): New function.
10137 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10138 branch condition. Use gen_single_cc as the condition for
10139 __builtin_mips_upper_* or __builtin_mips_lower_*.
10140 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10141 Use VOIDmode for the branch condition.
10142 * config/mips/predicates.md (order_operator): New predicate.
10143 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10144 (branch_fp): Rename to...
10145 (*branch_fp): ...this. Remove mode from comparison operator.
10146 Use new mips_output_conditional_branch interface.
10147 (branch_fp_inverted): Rename to...
10148 (*branch_fp_inverted): ...this and update as for *branch_fp.
10149 (*branch_zero<mode>): Rename to...
10150 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10151 Use mips_output_order_conditional_branch. Only accept ordered
10153 (*branch_zero<mode>_inverted): Rename to...
10154 (*branch_order<mode>_inverted): ...this and update as for
10155 *branch_order<mode>.
10156 (*branch_equality<mode>): Accept zero as the second operand to
10157 the equality operator. Use the new mips_output_conditional_branch
10159 (*branch_equality<mode>_inverted): Likewise.
10160 (condjump): New expander.
10161 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10163 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10164 (bc1any2t, bc1any2f): Likewise.
10165 (single_cc): New expander.
10166 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10168 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10170 * doc/md.texi: Update documentation of MIPS constraints.
10171 * config/mips/constraints.md: New file.
10172 * config/mips/mips.md: Include it.
10173 * config/mips/mips.c (mips_char_to_class): Delete.
10174 (override_options): Don't initialize mips_char_to_class.
10175 * config/mips/mips.h (mips_char_to_class): Delete.
10176 (REG_CLASS_FROM_LETTER): Delete.
10177 (CONST_OK_FOR_LETTER_P): Delete.
10178 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10179 (EXTRA_CONSTRAINT_Y): Delete.
10180 (EXTRA_CONSTRAINT_STR): Delete.
10181 (CONSTRAINT_LEN): Delete.
10182 (EXTRA_MEMORY_CONSTRAINT): Delete.
10184 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10186 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10187 original fn's eh regions.
10189 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10191 * fold-const.c (build_range_check): Make sure to use a valid type to
10192 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10195 (range_predecessor): New static function.
10196 (range_successor): Likewise.
10197 (merge_ranges): Use them to compute predecessors and successors of
10200 2006-03-09 Roger Sayle <roger@eyesopen.com>
10202 PR middle-end/26561
10203 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10204 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10206 2006-03-08 DJ Delorie <dj@redhat.com>
10208 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10209 (addpsi3): Expand to include memory operands. Remove
10210 reload-specific splits.
10211 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10212 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10213 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10214 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10215 (shift1_qi, shift1_hi, insv): New.
10216 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10217 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10218 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10220 * config/m32c/m32c-protos.h: Update as needed.
10221 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10222 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10223 Fail for unrecognized R* constraints.
10224 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10225 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10226 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10228 (m32c_init_libfuncs): New.
10229 (m32c_legitimate_address_p): Add debug wrapper.
10230 (m32c_rtx_costs): New.
10231 (m32c_address_cost): New.
10232 (conversions): Add 'B' prefix.
10233 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10234 operands, or word regnames for QI operands. 'B' prints bit
10236 (m32c_expand_setmemhi): New.
10237 (m32c_expand_movmemhi): New.
10238 (m32c_expand_movstr): New.
10239 (m32c_expand_cmpstr): New.
10240 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10241 (m32c_expand_neg_mulpsi3): Handle non-ints.
10242 (m32c_cmp_flg_0): New.
10243 (m32c_expand_movcc): New.
10244 (m32c_expand_insv): New.
10245 (m32c_scc_pattern): New.
10246 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10247 a0/a1 out of SIregs.
10248 (STORE_FLAG_VALUE): New.
10249 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10252 * config/m32c/mov.md: Make constraints more liberal.
10253 (zero_extendqihi2): Optimize r0/r1 case.
10254 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10255 * config/m32c/predicates.md (m32c_any_operand): New.
10256 (m32c_nonimmediate_operand): New.
10257 (m32c_hl_operand): New.
10258 (m32c_r3_operand): New.
10261 (memsym_operand): New.
10262 (memimmed_operand): New.
10263 (a_qi_operand): New.
10264 (m32c_eqne_operator): New.
10265 (m32c_1bit8_operand): New.
10266 (m32c_1bit16_operand): New.
10267 (m32c_1mask8_operand): New.
10268 (m32c_1mask16_operand): New.
10269 * config/m32c/blkmov.md: New file.
10270 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10272 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10274 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10275 unsigned to fix signed/unsigned comparison issue in
10276 DWARF2_FRAME_REG_OUT.
10277 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10278 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10280 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10281 of ptr into the ENABLE_CHECKING section.
10283 2006-03-08 Jeff Law <law@redhat.com>
10285 * tree-vrp.c (infer_value_range): Only count pointer uses
10286 and dereferences if -fdelete-null-pointer-checks is enabled.
10288 * tree-vrp.c (find_assert_locations): Infer value ranges for
10289 single use pointers, but do not create ASSERT_EXPRs for them.
10290 When a non-null range is inferred for a pointer, backwards
10291 propagate that range to other equivalent pointers through the
10294 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10297 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10298 language hook targets.
10299 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10300 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10301 if language hook targets were missing.
10303 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10305 * tree-ssa-opfinalize.h: Removed.
10306 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10308 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10309 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10310 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10311 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10312 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10313 finalize_ssa_v_must_def_ops): New.
10315 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10317 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10318 block as parameter.
10320 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10322 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10324 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10325 addresses with offsets; reorganize.
10327 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10328 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10329 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10331 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10334 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10336 2006-03-08 Ben Elliston <bje@au.ibm.com>
10338 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10340 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10343 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10346 2006-03-07 Richard Guenther <rguenther@suse.de>
10348 PR tree-optimization/26587
10349 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10351 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10353 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10355 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10357 * hooks.c (hook_bool_mode_rtx_true): New function.
10358 * hooks.h (hook_bool_mode_rtx_true): Declare.
10359 * toplev.c (compile_file): Call output_shared_constant_pool.
10360 * varasm.c (shared_constant_pool): New variable.
10361 (assemble_start_function, assemble_end_function): Remove arguments
10362 from call to output_constant_pool.
10363 (create_constant_pool): New function, split out from...
10364 (init_varasm_status): ...here.
10365 (force_const_mem): Choose between the shared and per-function constant
10366 pools. Set current_function_uses_const_pool when reusing old entries
10367 as well as when creating new ones.
10368 (mark_constant): Ignore data argument.
10369 (mark_constants): Remove pool argument.
10370 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10371 to decide whether the function uses a constant pool.
10372 (output_constant_pool_contents): New function, split out from...
10373 (output_constant_pool): ...here.
10374 (output_shared_constant_pool): New function.
10375 (init_varasm_once): Initialize shared_constant_pool.
10376 * output.h (output_constant_pool): Delete.
10377 (output_shared_constant_pool): Declare.
10378 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10379 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10381 2006-03-06 Nick Clifton <nickc@redhat.com>
10383 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10384 flag_strength_reduce.
10386 2006-03-06 Ben Elliston <bje@au.ibm.com>
10388 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10389 x86_64-*-linux* configurations.
10391 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10392 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10394 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10396 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10398 * basic-block.h: Remove the extern for
10399 rediscover_loops_after_threading.
10401 * cfgloop.c (cancel_loop): Make it static.
10402 * cfgloop.h: Remove the prototype for cancel_loop.
10404 * flow.c (recompute_reg_usage): Make it static.
10405 * rtl.h: Remove the prototype for recompute_reg_usage.
10407 * function.c (use_return_register): Make it static.
10408 * function.h: Remove the prototype.
10410 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10412 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10414 * recog.h: Remove the prototype for
10415 validate_change_maybe_volatile.
10417 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10419 * rtlanal.c (replace_reg): Remove.
10420 * rtl.h: Remove the prototype for replace_reg.
10422 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10424 * regclass.c (reg_scan_update): Remove.
10425 (reg_scan_mark_refs): Remove the last argument.
10426 * rtl.h: Remove the prototype for reg_scan_update.
10428 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10430 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10431 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10432 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10433 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10434 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10435 loop-invariant.c, omp-low.c, opts.c, passes.c,
10436 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10437 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10438 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10439 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10440 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10441 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10443 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10445 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10446 * dwarf2out.h: Remove the prototype for
10447 dwarf2out_add_library_unit_info.
10449 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10451 * tree.c (add_var_to_bind_expr): Remove.
10452 * tree.h: Remove the prototype for add_var_to_bind_expr.
10454 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10456 * regclass.c (n_non_fixed_regs): Remove.
10457 (init_reg_sets_1, globalize_reg): Remove all uses of
10459 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10461 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10463 * rtlanal.c (insns_safe_to_move_p): Remove.
10464 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10466 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10468 * expmed.c (expand_mult_add): Remove.
10469 * expr.h: Remove the prototype for expand_mult_add.
10471 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10473 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10474 and REG_SAVED_VAL_EXP constants.
10475 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10476 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10477 Handle regs stored by value.
10478 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10479 (execute_cfa_program): Handle DW_CFA_val_offset,
10480 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10481 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10482 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10483 (uw_install_context_1): Handle target regs stored by value.
10485 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10487 * tree-sra.c (tree_sra): Return todoflags;
10488 (generate_one_element): Set TODO_update_smt_usage if needed.
10489 (pass_sra): Remove TODO_update_smt_usage.
10490 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10492 (tree_ssa_forward_propagate_single_use_vars): Return
10493 TODO_update_smt_usage if we need to update SMT usage.
10494 (pass_forwprop): Remove TODO_update_smt_usage.
10496 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10498 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10499 (correct_use_link): Remove reference to get_stmt_operands.
10500 (update_stmt_operands): Likewise.
10501 (get_modify_expr_operands): New function factored out of
10502 parse_ssa_operands and get_expr_operands.
10503 Try to create V_MUST_DEFs for LHS by default.
10504 (get_expr_operands) <case MODIFY_EXPR>: Call
10505 get_modify_expr_operands.
10506 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10507 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10508 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10509 get_modify_expr_operands.
10511 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10513 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10514 * tree-flow.h: Remove the prototype for
10515 referenced_var_lookup_if_exists.
10517 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10519 PR rtl-optimization/26345
10521 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10523 2006-03-03 Roger Sayle <roger@eyesopen.com>
10525 PR tree-optimization/26524
10526 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10527 fold_convert to create a constant of the appropriate type.
10529 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10531 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10532 SYMBOL_REF_IN_BLOCK_P.
10533 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10534 of SYMBOL_FLAG_IN_BLOCK.
10535 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10536 instead of SYMBOL_REF_IN_BLOCK_P.
10537 * explow.c (use_anchored_address): Likewise.
10538 * rtl.c (rtx_size): Likewise.
10539 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10540 instead of SYMBOL_FLAG_IN_BLOCK.
10541 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10542 SYMBOL_REF_IN_BLOCK_P.
10543 (assemble_variable): Likewise.
10544 (output_constant_def_contents): Likewise.
10545 (output_constant_pool): Likewise.
10546 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10547 instead of SYMBOL_FLAG_IN_BLOCK.
10548 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10549 SYMBOL_REF_IN_BLOCK_P.
10550 (SYMBOL_REF_BLOCK): Likewise.
10551 (SYMBOL_REF_OFFSET): Likewise.
10552 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10553 SYMBOL_REF_IN_BLOCK_P.
10554 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10555 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10556 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10557 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10559 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10561 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10563 2006-03-02 Roger Sayle <roger@eyesopen.com>
10565 * simplify-rtx.c (simplify_unary_operation): When simplifying
10566 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10567 that we perform the right shift in the appropriate mode, and
10568 then extend or truncate the result to requested mode.
10570 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10572 * gengtype.c (main): Handle double_int type.
10573 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10574 * double-int.c: New file.
10575 * double-int.h: New file.
10576 * system.h: Include doubleint.h.
10577 * Makefile.in (SYSTEM_H): Include double-int.h.
10578 (double-int.o): Add.
10580 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10583 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10586 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10588 * tree-vrp.c (remove_range_assertions): Do not update statements
10591 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10593 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10595 * gcse.c (rest_of_handle_gcse): Ditto.
10596 * except.c (gate_handle_eh): Ditto.
10597 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10598 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10600 2006-03-02 Eric Christopher <echristo@apple.com>
10602 * config/i386/i386.c (machopic_output_stub): Add indirection to
10605 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10609 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10611 Sun Niagara specific optimizations.
10612 * config.gcc: Recognize niagara as target.
10613 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10614 (TARGET_CPU_niagara): Define.
10615 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10616 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10617 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10618 (ASM_CPU_SPEC): Likewise.
10619 (PROCESSOR_NIAGARA): New enum entry.
10620 (REGISTER_MOVE_COST): Handle Niagara.
10621 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10622 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10623 (sparc_override_options): Recognize "niagara", set appropriate
10624 default MASK_* values for it, and align functions to 32-bytes
10625 by default just like ULTRASPARC/ULTRASPARC3.
10626 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10627 (sparc64_initialize_trampoline): Likewise.
10628 (sparc_use_sched_lookahead): Use zero for niagara.
10629 (sparc_issue_rate): Use one for niagara.
10630 * config/sparc/niagara.md: New file.
10631 * config/sparc/sparc.md: Include it.
10632 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10633 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10634 when default cpu is niagara.
10635 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10636 (ASM_CPU_SPEC): Likewise.
10637 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10638 when default cpu is niagara.
10639 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10640 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10641 just like v9/ultrasparc/ultrasparc3.
10642 * doc/invoke.texi: Add documentation for "niagara" and improve
10643 existing documentation for ultrasparc variants.
10645 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10647 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10649 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10651 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10652 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10653 and say that only one is needed.
10654 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10655 * target.h (have_switchable_bss_sections): New hook.
10656 * explow.c (use_anchored_address): Check that the symbol is in a block.
10657 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10658 (bss_noswitch_section): New variables.
10659 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10660 (get_noswitch_section): New function.
10661 (get_block_for_section): Allow SECT to be null.
10662 (unlikely_text_section_p): Use SECTION_STYLE.
10663 (bss_initializer_p): New function.
10664 (get_variable_section): Move earlier in file. Take a new argument,
10665 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10666 Return one of the new *_sections in such cases.
10667 (get_block_for_decl): New function, extracting some logic from
10668 use_blocks_for_decl_p.
10669 (change_symbol_section): Remove in favor of...
10670 (change_symbol_block): ...this new function.
10671 (use_blocks_for_decl_p): Remove checks now performed by
10672 get_block_for_decl.
10673 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10674 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10675 (emit_local, emit_bss, emit_common): ...these new functions.
10676 Return true if the alignment was honored.
10677 (emit_tls_common): New function.
10678 (asm_emit_uninitialised): Delete.
10679 (assemble_variable_noswitch): New function, split out from...
10680 (assemble_variable): ...here. Don't make decisions about common
10681 variables here. Globalize all public decls that go into non-common
10682 sections. Check whether SYMBOL_REF_BLOCK is null.
10683 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10684 (output_constant_pool): Likewise.
10685 (init_varasm_once): Initialize the new section variables.
10686 (have_global_bss_p): New function.
10687 (categorize_decl_for_section): Use bss_initializer_p.
10688 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10689 (place_block_symbol): Assert that the symbol must be in a block.
10690 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10691 (TARGET_INITIALIZER): Include it.
10692 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10693 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10694 (SECTION_MACH_DEP): Bump by two.
10695 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10696 (unnamed_section): Mention SECTION_UNNAMED in comment.
10697 (named_section): Likewise SECTION_NAMED.
10698 (noswitch_section_callback): New type.
10699 (noswitch_section): New structure.
10700 (section): Add a noswitch_section alternative.
10701 (SECTION_STYLE): New macro.
10702 (tls_comm_section, comm_section, lcomm_section): Declare.
10703 (bss_noswitch_section, have_global_bss_p): Declare.
10704 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10705 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10707 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10708 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10711 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10713 * tree-vrp.c (execute_vrp): Return value.
10714 * regrename.c (rest_of_handle_regrename): Ditto.
10715 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10716 * tree-complex.c (tree_lower_complex): Ditto.
10717 (tree_lower_complex_O0): Ditto.
10718 * tracer.c (rest_of_handle_tracer): Ditto.
10719 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10720 * postreload.c (rest_of_handle_postreload): Ditto.
10721 * tree-tailcall.c (execute_tail_recursion): Ditto.
10722 (execute_tail_calls): Ditto.
10723 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10724 * tree.h (init_function_for_compilation): Ditto.
10725 * ipa-cp.c (ipcp_driver): Ditto.
10726 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10727 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10728 * final.c (compute_alignments): Ditto.
10729 (rest_of_handle_final): Ditto.
10730 (rest_of_handle_shorten_branches): Ditto.
10731 (rest_of_clean_state): Ditto.
10732 * omp-low.c (execute_expand_omp): Ditto.
10733 (execute_lower_omp): Ditto.
10734 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10735 * ipa-reference.c (static_execute): Ditto.
10736 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10737 * reorg.c (rest_of_handle_delay_slots): Ditto.
10738 (rest_of_handle_machine_reorg): Ditto.
10739 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10740 * flow.c (recompute_reg_usage): Ditto.
10741 (rest_of_handle_remove_death_notes): Ditto.
10742 (rest_of_handle_life): Ditto.
10743 (rest_of_handle_flow2): Ditto.
10744 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10745 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10746 (do_ssa_store_ccp): Ditto.
10747 (execute_fold_all_builtins): Ditto.
10748 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10749 * modulo-sched.c (rest_of_handle_sms): Ditto.
10750 * ipa-pure-const.c (static_execute): Ditto.
10751 * cse.c (rest_of_handle_cse): Ditto.
10752 (rest_of_handle_cse2): Ditto.
10753 * web.c (rest_of_handle_web): Ditto.
10754 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10755 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10756 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10757 * tree-nrv.c (tree_nrv): Ditto.
10758 (execute_return_slot_opt): Ditto.
10759 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10760 (create_structure_vars): Ditto.
10761 * loop-init.c (rtl_loop_init): Ditto.
10762 (rtl_loop_done): Ditto.
10763 (rtl_move_loop_invariants): Ditto.
10764 (rtl_unswitch): Ditto.
10765 (rtl_unroll_and_peel_loops): Ditto.
10766 (rtl_doloop): Ditto.
10767 * gimple-low.c (lower_function_body): Ditto.
10768 (mark_used_blocks): Ditto.
10769 * tree-ssa-sink.c (execute_sink_code): Ditto.
10770 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10771 (cgraph_early_inlining): Ditto.
10772 * global.c (rest_of_handle_global_alloc): Ditto.
10773 * jump.c (cleanup_barriers): Ditto.
10774 (purge_line_number_notes): Ditto.
10775 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10776 (rest_of_handle_if_after_reload): Ditto.
10777 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10778 (tree_ssa_loop_im): Ditto.
10779 (tree_ssa_loop_unswitch): Ditto.
10780 (tree_vectorize): Ditto.
10781 (tree_linear_transform): Ditto.
10782 (tree_ssa_loop_ivcanon): Ditto.
10783 (tree_ssa_empty_loop): Ditto.
10784 (tree_ssa_loop_bounds): Ditto.
10785 (tree_complete_unroll): Ditto.
10786 (tree_ssa_loop_prefetch): Ditto.
10787 (tree_ssa_loop_ivopts): Ditto.
10788 (tree_ssa_loop_done): Ditto.
10789 * predict.c (tree_estimate_probability): Ditto.
10790 * recog.c (split_all_insns_noflow): Ditto.
10791 (rest_of_handle_peephole2): Ditto.
10792 (rest_of_handle_split_all_insns): Ditto.
10793 * tree-eh.c (lower_eh_constructs): Ditto.
10794 * regmove.c (rest_of_handle_regmove): Ditto.
10795 (rest_of_handle_stack_adjustments): Ditto.
10796 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10797 * function.c (instantiate_virtual_regs): Ditto.
10798 (init_function_for_compilation): Ditto.
10799 (rest_of_handle_check_leaf_regs): Ditto.
10800 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10801 (rest_of_handle_gcse): Ditto.
10802 * ipa-type-escape.c (type_escape_execute): Ditto.
10803 * alias.c (rest_of_handle_cfg): Ditto.
10804 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10805 * profile.c (rest_of_handle_branch_prob): Ditto.
10806 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10807 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10808 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10809 * tree-dfa.c (find_referenced_vars): Ditto.
10810 * except.c (set_nothrow_function_flags): Ditto.
10811 (convert_to_eh_region_ranges): Ditto.
10812 (rest_of_handle_eh): Ditto.
10813 * emit-rtl.c (unshare_all_rtl): Ditto.
10814 (remove_unnecessary_notes): Ditto.
10815 * except.h (set_nothrow_function_flags): Ditto.
10816 (convert_to_eh_region_ranges): Ditto.
10817 * cfgexpand.c (tree_expand_cfg): Ditto.
10818 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10819 * tree-ssa-pre.c (do_pre): Ditto.
10820 (execute_fre): Ditto.
10821 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10822 (rest_of_handle_jump2): Ditto.
10823 * tree-sra.c (tree_sra): Ditto.
10824 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10825 (execute_mudflap_function_decls): Ditto.
10826 * tree-ssa-copy.c (do_copy_prop): Ditto.
10827 (do_store_copy_prop): Ditto.
10828 * ipa-prop.h (ipcp_driver): Ditto.
10829 * cfglayout.c (insn_locators_initialize): Ditto.
10830 * tree-ssa-forwprop.c
10831 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10832 * cfglayout.h (insn_locators_initialize): Ditto.
10833 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10834 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10835 (execute_late_warn_uninitialized): Ditto.
10836 * rtl.h (cleanup_barriers): Ditto.
10837 (split_all_insns_noflow): Ditto.
10838 (purge_line_number_notes): Ditto.
10839 (unshare_all_rtl): Ditto.
10840 (remove_unnecessary_notes): Ditto.
10841 (recompute_reg_usage): Ditto.
10842 (variable_tracking_main): Ditto.
10843 * integrate.c (emit_initial_value_sets): Ditto.
10844 * integrate.h (emit_initial_value_sets): Ditto.
10845 * tree-optimize.c (execute_free_datastructures): Ditto
10846 (execute_free_cfg_annotations): Ditto.
10847 (execute_fixup_cfg): Ditto.
10848 (execute_cleanup_cfg_pre_ipa): Ditto.
10849 (execute_cleanup_cfg_post_optimizing): Ditto.
10850 (execute_init_datastructures): Ditto.
10851 * tree-object-size.c (compute_object_sizes): Ditto.
10852 * combine.c (rest_of_handle_combine): Ditto.
10853 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10854 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10855 (rest_of_handle_reorder_blocks): Ditto.
10856 (rest_of_handle_partition_blocks): Ditto.
10857 * var-tracking.c (variable_tracking_main): Ditto.
10858 * tree-profile.c (tree_profiling): Ditto.
10859 * tree-vect-generic.c (expand_vector_operations): Ditto.
10860 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10861 * sched-rgn.c (rest_of_handle_sched): Ditto.
10862 (rest_of_handle_sched2): Ditto.
10863 * basic-block.h (free_bb_insn): Ditto.
10864 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10865 * tree-cfg.c (execute_build_cfg): Ditto.
10866 (remove_useless_stmts): Ditto.
10867 (split_critical_edges): Ditto.
10868 (execute_warn_function_return): Ditto.
10869 (execute_warn_function_noreturn): Ditto.
10870 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10871 * cfgrtl.c (free_bb_for_insn): Ditto.
10872 * passes.c (execute_one_pass): Run additional
10873 todos returned by execute function.
10874 * tree-pass.h (struct tree_opt_pass): Make execute
10877 2006-03-02 Richard Guenther <rguenther@suse.de>
10879 * tree-ssa-alias.c (find_used_portions): Consider taking
10880 the address as making the variable not write-only.
10882 2006-03-02 Nick Clifton <nickc@redhat.com>
10884 * config.gcc (default_use_cxa_atexit): Extend the description of
10885 this configure variable. Set its default value to "yes" for
10886 Linux, NetBSD and ELF targets on the assumption that they will
10887 use C libraries with the __cxa_atexit function.
10889 2006-03-02 Ben Elliston <bje@au.ibm.com>
10891 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10892 parameter as unused to suppress a build warning.
10894 2006-03-02 Ben Elliston <bje@au.ibm.com>
10896 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10899 2006-03-01 Roger Sayle <roger@eyesopen.com>
10902 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10903 declared name, the weak reference name, and the typeof name.
10904 (__gthrw): Avoid expanding the declared name suffix.
10905 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10907 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10909 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10911 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10912 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10913 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10914 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10915 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10916 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10917 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10918 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10919 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10920 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10921 (DW_END_default, DW_END_big, DW_END_little): New.
10922 (DW_END_lo_user, DW_END_hi_user): Define.
10923 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10924 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10925 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10928 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10930 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10932 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10934 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10936 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10938 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10939 to 'symbol_mem_tag'.
10941 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10944 2006-03-01 Roger Sayle <roger@eyesopen.com>
10946 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10948 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10951 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10952 MACHO_DYNAMIC_NO_PIC_P.
10953 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10955 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10958 * config/darwin-protos.h (darwin_asm_output_anchor):
10960 * config/darwin-sections.def (cstring_section):
10961 Add SECTION_MERGE to the flags.
10962 (literal4_section): Likewise.
10963 (literal8_section): Likewise.
10964 (objc_selector_refs_section): Likewise.
10965 (objc_cls_refs_section): Likewise.
10966 * config/darwin.c (darwin_asm_output_anchor): New
10968 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10970 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10972 Fix PR tree-optimization/26443
10973 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10974 to todo and PROP_tmt_usage to properties_destroyed.
10975 * tree-ssa-ccp.c (pass_ccp): Ditto.
10976 (pass_store_ccp): Ditto.
10977 * tree-ssa-dom.c (pass_dominator): Ditto.
10979 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10981 * tree-ssa-operands.c: Cleanup whitespace.
10982 (get_asm_expr_operands): Move before first invocation.
10983 (get_indirect_ref_operands): Likewise.
10984 (get_tmr_operands): Likewise.
10985 (get_call_expr_operands): Likewise.
10986 (append_def): Likewise.
10987 (append_use): Likewise.
10988 (append_v_may_def): Likewise.
10989 (append_v_must_def): Likewise.
10990 (add_call_clobber_ops): Likewise.
10991 (add_call_read_ops): Likewise.
10992 (add_stmt_operand): Likewise.
10993 (add_virtual_operand): Likewise.
10994 (build_ssa_operands): Likewise.
10996 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10998 PR middle-end/26022
11000 PR middle-end/24437
11001 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11002 with a call expr to ...
11003 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11005 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11007 * tree-vrp.c (extract_range_from_assert): Remove special
11008 handling for types with super-types.
11010 2006-03-01 Ben Elliston <bje@au.ibm.com>
11012 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11013 and powerpc64-*-linux* configurations.
11014 * config/t-dfprules: New file.
11016 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11017 Compile dfp-bit.c from the source directory using -DWIDTH and
11018 $DFP_CFLAGS to control the compilation of that file, rather than
11019 generating width-specific versions in the build directory.
11020 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11021 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11023 2006-02-28 Zack Weinberg <zackw@panix.com>
11025 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11028 2006-02-28 Eric Christopher <echristo@apple.com>
11030 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11031 Set up IN_LIBGCC definition of TARGET_64BIT.
11032 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11034 2006-02-28 Roger Sayle <roger@eyesopen.com>
11036 PR middle-end/14752
11037 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11038 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11039 cases via the construction of "expr != 0".
11041 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11043 * alias.c (alias_invariant, alias_invariant_size): Remove.
11044 (record_base_value): Remove.
11045 (memrefs_conflict_p): Don't look at alias_invariant.
11046 (end_alias_analysis): Don't free it.
11047 * alias.h (record_base_value): Remove prototype.
11049 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11050 Adam Nemet <anemet@caviumnetworks.com>
11052 * rtl.h (truncated_to_mode): Declare it.
11053 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11054 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11055 (RTL_HOOKS_INITIALIZER): Include it.
11056 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11057 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11058 reg_truncated_to_mode.
11059 * rtlanal.c (truncated_to_mode): Define it.
11060 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11062 2006-02-28 Jeff Law <law@redhat.com>
11064 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11065 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11066 the range allowed by TYPE_PRECISION.
11068 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11070 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11072 PR tree-optimization/26419
11073 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11076 2006-02-27 Zack Weinberg <zackw@panix.com>
11078 * doc/md.texi: Fix typo in previous change.
11080 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11084 2006-02-27 Zack Weinberg <zackw@panix.com>
11086 * rtl.def (define_constraint, define_register_constraint)
11087 (define_memory_constraint, define_address_constraint): New MD forms.
11088 * gensupport.c (process_rtx): Put define_constraint etc on the
11090 * genpreds.c (process_define_predicate): Adjust comment. Validate
11091 the name, and call validate_exp to validate the expression.
11092 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11093 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11094 all callers changed.
11095 (validate_exp, needs_variable, struct constraint_data)
11096 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11097 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11098 (const_dbl_constraints, constraint_max_namelen)
11099 (have_register_constraints, have_memory_constraints)
11100 (have_address_constraints, have_address_constraints)
11101 (have_extra_constraints, have_const_int_constraints)
11102 (have_const_dbl_constraints, mangle, add_constraint)
11103 (process_define_constraint, process_define_register_constraint)
11104 (write_enum_constraint_num, write_lookup_constraint)
11105 (write_insn_constraint_len, write_regclass_for_constraint)
11106 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11107 (write_insn_extra_memory_constraint)
11108 (write_insn_extra_address_constraint)
11109 (write_satisfies_constraint_fns): New.
11110 (write_tm_preds_h): If we have new-style constraint definitions,
11111 prototype the functions generated from them, and define the
11112 old constraint interface (still used by generic code) in terms of
11114 (write_insn_preds_c): If we have new-style constraint definitions,
11115 generate all relevant functions from those definitions.
11116 (main): Handle define_constraint etc.
11117 * genoutput.c (struct constraint_data, indep_constraints)
11118 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11119 (mdep_constraint_len): New data structures and functions, defined
11120 #ifdef USE_MD_CONSTRAINTS.
11121 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11122 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11123 use new logic to validate operand constraints against constraint
11125 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11127 * defaults.h: If none of the old-style constraint macros are
11128 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11129 old-style macros; and poison REG_CLASS_FROM_LETTER,
11130 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11132 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11133 * doc/md.texi: Document new constraint-definition mechanism and the
11134 C interface it provides. Remove references to old mechanism
11135 elsewhere in the document.
11136 (Machine Constraints): Use pathnames relative to gcc directory,
11137 i.e. config/ARCH/FILE. Change i386 section to refer to
11138 config/i386/predicates.md; update that section to match docstrings.
11139 * doc/tm.texi: Move all documentation of the old constraint-
11140 definition macros to their own section, clearly mark as obsolete.
11142 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11143 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11145 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11146 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11147 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11148 constraint strings.
11149 (splits and peepholes): Use satisfies_constraint_*.
11150 * config/i386/i386.c (memory_address_length)
11151 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11153 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11155 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11156 scalar operation to be put back into the loop.
11158 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11161 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11162 (extract_cie_info): Handle S flag in augmentation string.
11163 (execute_cfa_program): If context->signal_frame, execute also
11164 fs->pc == context->ra instructions.
11165 (uw_frame_state_for): If context->signal_frame, don't subtract one
11166 from context->ra to find FDE.
11167 (uw_update_context_1): Set context->signal_frame to
11169 (_Unwind_GetIPInfo): New function.
11170 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11171 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11173 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11174 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11175 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11176 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11177 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11178 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11179 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11180 x86_64_fallback_frame_state): Set fs->signal_frame.
11181 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11182 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11183 (frob_update_context): Likewise. Workaround missing S flag in
11184 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11185 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11186 Remove the psw_addr + 1 hack.
11188 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11190 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11191 with aggregates here.
11192 (find_func_aliases): Remove code for &<aggregate> from here.
11194 2006-02-26 Roger Sayle <roger@eyesopen.com>
11196 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11197 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11198 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11199 as (X & C) ne/eq 0.
11201 2006-02-26 Roger Sayle <roger@eyesopen.com>
11203 PR middle-end/19983
11204 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11206 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11208 * opts.c (decode_options): Do not handle flag_strength_reduce.
11209 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11210 and OPT_fstrength_reduce.
11211 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11212 flag_prefetch_loop_arrays for being nonzero.
11213 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11215 (fprefetch-loop-arrays-rtl): Removed.
11216 (flag_prefetch_loop_arrays): Do not specify the value.
11218 * doc/passes.texi: Update documentation of loop optimizer
11220 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11221 -frerun-loop-opt): Remove.
11223 2006-02-26 Richard Guenther <rguenther@suse.de>
11225 PR tree-optimization/26421
11226 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11227 in function calls that are ADDR_EXPRs as using the whole structure.
11229 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11231 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11232 * tree-pass.h (pass_loop_optimize): Remove.
11233 * passes.c (pass_loop_optimize): Never run it.
11234 * toplev.c (backend_init): Don't call init_loop.
11235 * opts.c (flag_loop_optimize_set): Remove.
11236 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11237 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11238 the old RTL loop optimizer when profiling enabled.
11239 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11240 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11241 pre-headers for the sake of the old RTL loop optimizer.
11242 * Makefile.in: Remove all references to loop.o.
11244 * doc/invoke.texi: Remove all references to -floop-optimize
11245 and -frerun-loop-opt.
11247 2006-02-26 Zack Weinberg <zackw@panix.com>
11249 * doc/md.texi (Machine Constraints): Refer to all files with paths
11250 relative to gcc directory (i.e. config/CPU/file). Add missing
11251 @table @code ... @end table to M32C subsection.
11253 2006-02-26 Roger Sayle <roger@eyesopen.com>
11255 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11257 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11259 2006-02-26 Roger Sayle <roger@eyesopen.com>
11260 James A. Morrison <phython@gcc.gnu.org>
11262 PR middle-end/21137
11263 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11264 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11265 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11266 signedness of the shift operation.
11268 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11270 PR tree-optimization/26359
11271 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11273 2006-02-25 Roger Sayle <roger@eyesopen.com>
11275 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11276 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11277 as X == 0, and some symmetry related transformations.
11278 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11280 2006-02-25 Roger Sayle <roger@eyesopen.com>
11282 PR middle-end/23673
11283 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11284 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11285 symmetry related transformations. Fold (X^C1) == C2 as
11288 2006-02-25 Juergen Weigert <jw@suse.de>
11289 Richard Guenther <rguenther@suse.de>
11291 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11293 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11295 * combine.c (gen_lowpart_or_truncate): Call
11296 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11298 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11300 * doc/invoke.texi: Move -fopenmp description to "Options for
11302 Remove reference to -lgomp.
11304 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11306 * doc/install.texi: Require GNU tar version 1.14.
11308 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11310 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11311 * doc/invoke.texi (C++ Dialect Options): Document
11312 -fno-use-cxa-get-exception-ptr.
11313 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11314 * configure: Regenerate.
11315 * c.opt (fuse-cxa-get-exception-ptr): New.
11316 * c-opts.c (c_common_handle_option): Handle
11317 OPT_fuse_cxa_get_exception_ptr.
11318 * c-common.c (flag_use_cxa_atexit): Update documentation.
11319 (flag_use_cxa_get_exception_ptr): New.
11320 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11321 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11323 (C_COMMON_OVERRIDE_OPTIONS): New.
11325 2006-02-24 Roger Sayle <roger@eyesopen.com>
11327 PR middle-end/24952
11328 * combine.c (try_combine): Explicitly check whether GET_CODE is
11329 a SET or a CLOBBER, instead on checking that it isn't a USE.
11331 2006-02-24 Roger Sayle <roger@eyesopen.com>
11333 * fold-const.c (fold_comparison): New subroutine of fold_binary
11334 containing transformations common to both the equality and
11335 ordering relational operators, factored out of fold_binary.
11336 (fold_binary): Separate out the equality operators (EQ_EXPR
11337 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11338 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11339 transformations common to both.
11340 (fold_div_compare): Fix latent bugs in the previously unreachable
11341 LT_EXPR and GE_EXPR cases.
11343 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11345 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11346 decl libname for clog to __clog on AIX.
11348 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11350 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11353 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11354 output traceback table for thunks. Localise rs6000_stack_info call.
11356 2006-02-23 Roger Sayle <roger@eyesopen.com>
11357 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11359 * gthr-posix.h (__gthrw): Fix typo in comment.
11361 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11363 * doc/cpp.texi (Character sets): Document that we do support
11364 input files to be in any character set.
11366 2006-02-23 Jeff Law <law@redhat.com>
11368 * tree.h (PHI_ARG_NONZERO): Remove.
11369 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11370 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11371 node to the new node.
11373 PR tree-optimization/26425
11374 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11375 min/max, then assume its varying.
11377 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11379 PR rtl-optimization/26316
11380 * rtlanal.c (enum may_trap_p_flags): New.
11381 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11382 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11383 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11384 (may_trap_after_code_motion_p): New function.
11385 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11386 (find_invariant_insn): Use may_trap_after_code_motion_p.
11387 * rtl.h (may_trap_after_code_motion_p): Declare.
11389 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11391 * emit-rtl.c (immed_double_const): Cleanup.
11393 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11395 Fix PR tree-optimization/26376
11396 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11399 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11401 PR middle-end/26412
11402 * gimplify.c (omp_add_variable): Guard variable size decl test with
11403 DECL_SIZE (decl) check.
11405 2006-02-23 Richard Guenther <rguenther@suse.de>
11407 PR middle-end/26439
11408 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11409 like aggregate types.
11411 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11413 * configure.ac: Add --with{,out}-long-double-128 configure option.
11414 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11415 * configure: Rebuilt.
11416 * config.in: Rebuilt.
11417 * doc/install.texi (Options specification): Document
11418 --with-long-double-128.
11420 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11421 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11422 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11423 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11425 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11427 * config/s390/s390.c (override_options): Handle
11428 TARGET_DEFAULT_LONG_DOUBLE_128.
11430 * config/alpha/alpha.c (override_options): Handle
11431 TARGET_DEFAULT_LONG_DOUBLE_128.
11433 * config/sparc/sparc.c (sparc_override_options): Handle
11434 TARGET_DEFAULT_LONG_DOUBLE_128.
11436 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11438 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11439 (real-install-headers-tar, real-install-headers-cpio)
11440 (real-install-headers-cp): New targets.
11442 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11444 * tree.h (variable_section): Delete.
11445 * varasm.c (variable_section): Delete.
11447 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11449 * install.texi: Add notes on install.texi2html.
11450 (Building in parallel): Do not use footnotes.
11452 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11455 * doc/install.texi (Configuration): Document --disable-libgomp.
11457 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11459 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11461 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11463 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11464 (vec_extractv2df_0_sse): New.
11466 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11468 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11469 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11470 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11471 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11472 to the result of the expression.
11473 (def_cfa_1): Adjust.
11474 (frame_pointer_cfa_offset): Rename to...
11475 (frame_pointer_fb_offset): ... this. Adjust all uses.
11476 (convert_cfa_to_loc_list): Rename to...
11477 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11478 Pass it on to build_cfa_loc.
11479 (compute_frame_pointer_to_cfa_displacement): Rename to...
11480 (compute_frame_pointer_to_fb_displacement): ... this. New
11481 offset parameter. Use it in computation.
11482 (gen_subprogram_die): Compute cfa_fb_offset with the new
11483 macro, and use it to compute the fb loc list and the
11486 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11488 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11489 replaced with register_operand.
11490 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11491 non-DREG is expensive.
11492 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11493 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11496 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11498 * doc/install.texi2html: Use set -e.
11500 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11502 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11503 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11504 * doc/invoke.texi (-fshared-data): Delete.
11505 * common.opt (fshared-data): Delete.
11506 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11507 (assemble_static_space): Remove #if 0 code.
11508 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11509 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11510 * config/cris/cris.h: Remove FIXME.
11512 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11514 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11517 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11519 PR middle-end/26379
11520 * combine.c (simplify_shift_const_1): Disable nested shifts
11521 optimization for vector shifts.
11523 2006-02-20 Roger Sayle <roger@eyesopen.com>
11525 PR tree-optimization/26361
11526 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11527 of unsigned integer types.
11529 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11531 * tree-chrec.c (eq_evolutions_p): New.
11532 * tree-chrec.h (eq_evolutions_p): Declared.
11533 * tree-data-ref.c: Fix formatting.
11534 (datadep_stats, dependence_stats): New.
11536 (print_direction_vector): New.
11537 (dump_data_dependence_relation): Use print_direction_vector.
11538 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11539 (compute_subscript_distance): Static.
11540 (initialize_data_dependence_relation): Static. Get the number
11541 of loops surrounding the references from the callers, and initialize
11542 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11543 base_object_differ_p analyzers.
11544 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11545 compute_overlap_steps_for_affine_1_2,
11546 analyze_subscript_affine_affine): Count the classified dependences.
11547 Print a message when a test failed.
11548 (can_use_analyze_subscript_affine_affine): New.
11549 (analyze_siv_subscript): Compute the data dependences on symbolic
11550 scevs that verify can_use_analyze_subscript_affine_affine.
11551 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11552 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11553 Handle symbolic scevs.
11554 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11556 (subscript_dependence_tester): Moved...
11557 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11558 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11559 DDR_SIZE_VECT instead of getting it in parameter.
11560 (subscript_dependence_tester): ... here. Take as a parameter
11561 loop_nest_depth. Call build_classic_dist_vector and
11562 build_classic_dir_vector.
11563 (compute_affine_dependence): Update subscript_dependence_tester
11564 parameters. Update datadep_stats counters. Call
11565 compute_subscript_distance.
11566 (compute_self_dependence): Save the dist and dir vectors. Call
11567 compute_subscript_distance.
11568 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11569 (compute_all_dependences): Reorder parameters as they were before
11570 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11571 compute_subscript_distance. Update the use of
11572 compute_affine_dependence and initialize_data_dependence_relation.
11573 (find_data_references_in_loop): Handle COMPONENT_REF.
11574 (compute_data_dependences_for_loop): Initialize dependence_stats.
11575 Don't call build_classic_dist_vector and build_classic_dir_vector.
11576 Update the parameters of initialize_data_dependence_relation and
11577 compute_all_dependences. Print the statistics from datadep_stats.
11578 (analyze_all_data_dependences): Static. Not used until the pass for
11579 checking the data dependences is contributed.
11580 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11581 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11582 (initialize_data_dependence_relation, compute_affine_dependence,
11583 analyze_all_data_dependences, compute_subscript_distance): Removed.
11584 (print_direction_vector): New.
11585 * lambda.h (gcd): ... here.
11586 (lambda_vector_gcd): Moved here from gcd_vector.
11587 * lambda-code.c (gcd, gcd_vector): Removed.
11588 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11589 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11591 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11593 * ipa-type-escape.c: Tidy some comments and white space.
11594 * tree-ssa-operands.c: Likewise.
11596 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11599 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11600 (dump_decl_name): Do not walk the decl tree chains.
11601 * tree-pass.h (TDF_CHAIN): Remove.
11603 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11605 * Makefile.in (C): Remove
11607 (.PHONY): Remove C and PROTO
11609 2006-02-20 Roger Sayle <roger@eyesopen.com>
11611 PR middle-end/26236
11612 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11613 deprecated CHAR_TYPE tree code.
11615 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11617 * configure.ac (target_list): Add install-info, dvi, html.
11618 * configure: Regenerate.
11620 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11621 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11622 treelang/Make-lang.in: Do not use double-colon rules.
11624 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11626 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11627 (TMT_USED_ALONE): New macro.
11628 * tree-pass.h (PROP_tmt_usage): New property.
11629 (TODO_update_tmt_usage): New todo.
11630 * tree-ssa-alias.c (updating_used_alone): New variable.
11631 (recalculate_used_alone): New function.
11632 (compute_may_aliases): Set updating_used_alone, call
11633 recalculate_used_alone.
11634 * tree-sra.c (pass_sra): Note that this pass destroys
11635 PROP_tmt_usage, and add TODO_update_tmt_usage.
11636 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11637 * tree-flow.h (updating_used_alone): Prototype.
11638 (recalculate_used_alone): Ditto.
11639 * passes.c (execute_todo): Add code to set updating_used_alone,
11640 and call recalculate.
11641 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11642 for clobber if used alone, and add assert to verify used_alone
11645 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11647 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11648 for non tls symbols added.
11649 (legitimize_address): Do nothing for PLUS expressions if one of the
11650 addends is a tls symbol reference.
11652 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11656 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11658 * Makefile.in (BOOTSTRAPPING): New.
11659 (quickstrap): New definition if BOOTSTRAPPING=yes.
11661 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11662 * configure.ac: Substitute all_selected_languages with the languages
11663 that were configured. For all the other variables except
11664 lang_specs_files, include all the languages in the tree.
11665 * configure: Regenerate.
11667 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11668 if there is one. Run the commands to run fixincludes in the same
11671 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11672 * doc/install.texi: Document exact conventions for searching target tools.
11673 Document --with-build-time-tools. Document toplevel bootstrap. Document
11674 something more about building an Ada cross-compiler. Don't list GNU Make
11675 requirements which affect all platforms.
11677 2006-02-19 Roger Sayle <roger@eyesopen.com>
11679 PR middle-end/19543
11680 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11681 only equivalent if the have both the same mode and precision.
11683 2006-02-20 Ben Elliston <bje@au.ibm.com>
11685 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11687 2006-02-19 Roger Sayle <roger@eyesopen.com>
11688 Steven Bosscher <stevenb.gcc@gmail.com>
11690 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11691 constant pool references to identify stack mode constants.
11692 * rtlanal.c (constant_pool_constant_p): New predicate to check
11693 whether operand is a floating point constant in the pool.
11694 * rtl.h (constant_pool_constant_p): Prototype here.
11695 * loop.c (scan_loop): Avoid hoisting constants from the constant
11696 pool on STACK_REGS targets.
11697 (load_mems): Likewise.
11698 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11699 loads into x87 registers expensive in terms of register pressure.
11701 2006-02-19 Roger Sayle <roger@eyesopen.com>
11703 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11704 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11706 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11708 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11709 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11711 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11713 * doc/invoke.texi: Document -fipa-pta.
11714 * common.opt: Add ipa-pta option.
11715 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11716 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11717 (do_ds_constraint): Ditto.
11718 (get_constraint_for): Only add to referenced_vars if
11719 referenced_vars exists.
11720 (insert_into_field_list): Rewrite to do this unsorted.
11721 (insert_into_field_list_sorted): Rename old insert_into_field_list
11723 (create_function_info_for): Use insert_into_field_list_sorted.
11724 (create_variable_info_for): Rewrite so it uses unsorted version,
11725 since the field list is sorted.
11726 (intra_create_variable_infos): Only add to referenced_vars if
11727 referenced_vars exists.
11728 (ipa_pta_execute): Init heapvars, and delete when done.
11729 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11731 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11733 * doc/install.texi: Add missing `@samp'.
11735 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11737 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11740 2006-02-18 Mark Wielaard <mark@klomp.org>
11742 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11743 who added new 4.1 features, bug fixes and integration support.
11745 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11748 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11749 MEM for ABI_V4 pic.
11751 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11753 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11754 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11755 (copy_insn_1): Likewise. Don't copy each field individually.
11757 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11759 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11760 * rtl.c (rtx_size): Rename variable to...
11761 (rtx_code_size): ...this.
11762 (rtx_size): New function.
11763 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11764 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11766 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11767 * rtl.h (rtx_code_size): New variable.
11768 (rtx_size): Change from a variable to a function.
11769 (RTX_SIZE): Rename to...
11770 (RTX_CODE_SIZE): ...this.
11773 PR tree-optimization/17106
11774 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11775 (Anchored Addresses): New section.
11776 * doc/invoke.texi (-fsection-anchors): Document.
11777 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11778 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11779 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11780 * hooks.c (hook_bool_mode_rtx_false): New function.
11781 * hooks.h (hook_bool_mode_rtx_false): Declare.
11782 * gengtype.c (create_optional_field): New function.
11783 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11784 SYMBOL_REF_IN_BLOCK_P is true.
11785 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11786 (min_anchor_offset, max_anchor_offset): Likewise.
11787 (use_anchors_for_symbol_p): New hook.
11788 * toplev.c (compile_file): Call output_object_blocks.
11789 (target_supports_section_anchors_p): New function.
11790 (process_options): Check that -fsection-anchors is only used on
11791 targets that support it and when -funit-at-a-time is in effect.
11792 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11793 if the decl doesn't have one.
11794 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11795 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11796 of force_const_mem through use_anchored_address.
11797 (expand_expr_constant): New function.
11798 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11799 calling expand_expr for INDIRECT_REF.
11800 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11801 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11802 * expr.h (use_anchored_address): Declare.
11803 * loop-unroll.c: Don't declare rtx vectors here.
11804 * explow.c: Include output.h.
11805 (validize_mem): Call use_anchored_address.
11806 (use_anchored_address): New function.
11807 * common.opt (-fsection-anchors): New switch.
11808 * varasm.c (object_block_htab, anchor_labelno): New variables.
11809 (hash_section, object_block_entry_eq, object_block_entry_hash)
11810 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11811 (use_blocks_for_decl_p, change_symbol_section): New functions.
11812 (get_variable_section): New function, split out from assemble_variable.
11813 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11814 use_blocks_for_decl_p say so. Use change_symbol_section if the
11815 symbol has already been created.
11816 (assemble_variable_contents): New function, split out from...
11817 (assemble_variable): ...here. Don't output any code for
11818 block symbols; just pass them to place_block_symbol.
11819 Use get_variable_section and assemble_variable_contents.
11820 (get_constant_alignment, get_constant_section, get_constant_size): New
11821 functions, split from output_constant_def_contents.
11822 (build_constant_desc): Create a block symbol if use_object_blocks_p
11823 says so. Or into SYMBOL_REF_FLAGS.
11824 (assemble_constant_contents): New function, split from...
11825 (output_constant_def_contents): ...here. Don't output any code
11826 for block symbols; just pass them to place_section_symbol.
11827 Use get_constant_section and get_constant_alignment.
11828 (force_const_mem): Create a block symbol if use_object_blocks_p and
11829 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11830 (output_constant_pool_1): Add an explicit alignment argument.
11831 Don't switch sections here.
11832 (output_constant_pool): Adjust call to output_constant_pool_1.
11833 Switch sections here instead. Don't output anything for block symbols;
11834 just pass them to place_block_symbol.
11835 (init_varasm_once): Initialize object_block_htab.
11836 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11837 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11838 (place_block_symbol, get_section_anchor, output_object_block)
11839 (output_object_block_htab, output_object_blocks): New functions.
11840 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11841 (TARGET_ASM_OUT): Include it.
11842 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11843 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11844 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11845 (TARGET_INITIALIZER): Include them.
11846 * rtl.c (rtl_check_failed_block_symbol): New function.
11847 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11848 (block_symbol, object_block): New structures.
11849 (rtx_def): Add a block_symbol field to the union.
11850 (BLOCK_SYMBOL_CHECK): New macro.
11851 (rtl_check_failed_block_symbol): Declare.
11852 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11853 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11854 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11855 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11856 * output.h (output_section_symbols): Declare.
11857 (object_block): Name structure.
11858 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11859 (default_use_anchors_for_symbol_p): Declare.
11860 * Makefile.in (RTL_BASE_H): Add vec.h.
11861 (explow.o): Depend on output.h.
11862 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11863 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11864 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11865 (rs6000_use_blocks_for_constant_p): New function.
11867 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11869 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11871 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11874 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11877 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11879 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11883 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11885 PR middle-end/26334
11886 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11887 instead of DECL_REGISTER.
11889 2006-02-18 Olivier Hainque <hainque@adacore.com>
11892 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11894 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11897 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11898 * opth-gen.awk: Handle Var and InverseMask together.
11899 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11900 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11901 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11902 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11904 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11905 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11906 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11907 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11908 LINUX_DYNAMIC_LINKER): Define.
11909 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11910 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11912 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11913 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11914 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11915 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11916 (TARGET_C99_FUNCTIONS): Don't define.
11917 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11918 GLIBC_DYNAMIC_LINKER.
11919 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11920 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11921 GLIBC_DYNAMIC_LINKER64): Define.
11922 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11923 LINUX_DYNAMIC_LINKER64.
11924 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11925 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11926 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11927 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11928 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11929 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11930 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11931 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11932 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11933 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11934 and LINUX_DYNAMIC_LINKER32.
11935 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11936 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11937 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11938 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11939 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11941 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11942 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11943 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11944 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11945 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11946 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11947 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11948 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11949 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11950 LINUX_DYNAMIC_LINKER): Define.
11951 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11952 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11953 GLIBC_DYNAMIC_LINKER64): Define.
11954 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11955 LINUX_DYNAMIC_LINKER64.
11956 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11957 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11958 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11959 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11960 LINUX_DYNAMIC_LINKER): Define.
11961 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11962 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11963 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11964 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11965 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11966 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11967 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11968 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11969 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11970 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11971 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11972 * doc/invoke.texi (-muclibc): Remove caveat about supported
11975 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11977 * doc/cpp.texi (__TIMESTAMP__): Document.
11979 2006-02-17 Roger Sayle <roger@eyesopen.com>
11981 PR middle-end/25600
11982 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11983 C is one less than the width of X (and related transformations).
11984 * simplify-rtx.c (simplify_unary_operation_1): Transform
11985 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11986 depending on STORE_FLAG_VALUE, were C is one less then the
11989 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11991 Fix PR tree-optimization/26341
11992 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11993 about NAME_MEMORY_TAG's.
11995 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11998 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11999 with hardware float support, and software float support. Add fcpy
12000 alternative to hardware patterns. Add alternatives to copy between
12001 general and floating-point registers to the 32-bit pattern.
12002 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12003 secondary reload to load a QI or HI mode constant into a floating
12005 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12006 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12008 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12011 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12013 (load_macho_picbase_di): Likewise.
12015 2006-02-16 Jeff Law <law@redhat.com>
12017 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12018 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12019 (ssa_name_nonzero_p): Likewise.
12020 (get_value_range): Return NULL if VRP is not running.
12021 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12022 VRP routines do not discover a range.
12023 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12024 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12025 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12026 (tree_expr_nonnegative_p): Similarly.
12027 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12028 (restore_nonzero_vars_to_original_value): Remove.
12029 (unsafe_associative_fp_binop): Remove.
12030 (tree_ssa_dominator_optimize): Remove initialization and
12031 finalization of nonzero_vars and nonzero_vars_stack.
12032 (dom_opt_initialize_block): No longer push marker on
12033 nonzero_vars_stack.
12034 (dom_opt_finalize_block): No longer call
12035 restore_nonzero_vars_to_original_value.
12036 (record_equivalences_from_phis): No longer look for
12037 nonzero PHI arguments.
12038 (cprop_into_successor_phis): No longer propagate nonzero
12039 property into PHI arguments. Lose unused argument. Caller
12041 (record_equivalences_from_stmt): No longer record nonzero
12042 values for SSA_NAMEs.
12043 (lookup_avail_expr): No longer use nonzero_vars.
12045 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12046 for sizetype when sizetype is unsigned.
12048 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12050 PR rtl-optimization/25603
12051 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12052 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12053 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12054 with new meaning of SETS.
12056 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12061 * config/linux.opt: New file.
12062 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12063 LINUX_DYNAMIC_LINKER): Define.
12064 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12065 * config.gcc (*-*-linux*): Define extra_options.
12066 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12067 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12068 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12069 GLIBC_DYNAMIC_LINKER.
12070 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12071 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12072 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12073 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12074 * doc/invoke.texi (GNU/Linux Options): New section.
12076 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12078 * config/sparc/sparc.md (setjmp): Rewrite.
12079 (setjmp_32): Delete.
12080 (setjmp_64): Likewise.
12082 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12084 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12087 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12089 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12092 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12094 PR rtl-optimization/26296
12095 * Makefile.in (loop-invariant.c): Add except.h dependency.
12096 * loop-invariant.c: Include except.h.
12097 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12099 2005-02-16 Paul Brook <paul@codesourcery.com>
12101 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12104 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12106 PR rtl-optimization/25636
12107 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12108 when deciding whether an insn is an initializing insn.
12110 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12112 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12113 (tree_code_size): Ditto.
12114 * tree.h (struct tree_memory_tag): Remove parent_var.
12115 (struct tree_struct_field_tag): New.
12118 (union tree_node): Add sft member.
12119 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12121 (create_sft): Add size and offset argument, set SFT_OFFSET and
12123 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12124 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12125 * tree-flow-inline.h (get_subvar_at): Update for
12126 SFT_OFFSET/SFT_SIZE.
12127 (var_can_have_subvars): Ditto.
12128 (overlap_subvar): Ditto.
12129 * print-tree.c (print_node): Print out interesting things for
12131 * tree-flow.h (struct subvar): Remove offset and size members.
12132 * tree-ssa-operands.c (get_expr_operands): Update for
12133 get_indirect_ref_operands changes.
12134 (get_indirect_ref_operands): Call add_virtual_operand instead of
12135 add_stmt_operand. Only recurse on base var if requested.
12136 (access_can_touch_variable): New function.
12137 (add_stmt_operand): Split virtual operand handling into ...
12138 (add_virtual_operand): Here. Add offset, size, and for_clobber
12139 arguments. Prune alias sets.
12140 (add_call_clobber_ops): Call add_virtual_operand.
12142 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12144 PR middle-end/26300
12145 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12147 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12148 than TREE_CODE as index into omp_clause_num_ops array.
12150 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12152 PR rtl-optimization/26184
12153 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12155 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12156 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12157 must_precede, must_follow and tobe_scheduled.
12160 * opts.c (common_handle_option): Free new_option pointer.
12161 * df-core.c (df_analyze): Free postorder pointer.
12163 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12165 * Makefile.in: Fix the examples about the use of stamps
12167 2006-02-15 Michael Matz <matz@suse.de>
12169 PR middle-end/22275
12171 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12172 influenced by maximum_field_alignment or DECL_PACKED.
12173 (update_alignment_for_field): Ditto.
12174 (place_field): Ditto.
12175 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12178 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12180 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12181 (debug_flow_info): Pass it.
12182 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12183 * bb-reorder.c (reorder_basic_blocks): Likewise.
12184 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12185 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12186 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12187 * gcse.c (gcse_main, bypass_jumps): Likewise.
12188 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12189 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12190 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12191 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12192 * rtl.h (dump_flow_info): Adjust prototype.
12193 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12194 * var-tracking.c (variable_tracking_main): Likewise.
12195 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12196 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12199 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12201 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12204 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12206 PR tree-optimization/26209
12207 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12208 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12210 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12212 2006-02-14 Roger Sayle <roger@eyesopen.com>
12214 PR middle-end/23670
12215 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12216 (X,Y) and the corresponding symmetry related transformations.
12217 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12218 (X,Y) and its symmetry related transformations.
12220 2006-02-14 Roger Sayle <roger@eyesopen.com>
12222 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12225 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12227 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12229 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12232 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12233 support COMDAT group.
12234 * configure: Regenerate.
12236 2006-02-14 Roger Sayle <roger@eyesopen.com>
12238 PR middle-end/26279
12239 PR middle-end/26280
12240 PR middle-end/26283
12241 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12243 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12245 Fix PR tree-optimization/26260
12247 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12249 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12250 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12251 * tree-ssa-structalias.c (create_variable_info_for): Use
12252 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12254 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12256 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12258 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12259 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12260 of the ending condition.
12261 * tree-ssa-loop-manip.c: Include params.h.
12262 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12263 tree_unroll_loop): New functions.
12264 * tree-pass.h (pass_loop_prefetch): Declare.
12265 * loop.c (rest_of_handle_loop_optimize): Test for
12266 -fprefetch-loop-arrays-rtl.
12267 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12268 * timevar.def (TV_TREE_PREFETCH): New timevar.
12269 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12270 pass_loop_prefetch): New.
12271 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12272 (cleanup_tree_cfg_loop): Call scev_reset.
12273 * common.opt (fprefetch-loop-arrays-rtl): Add.
12274 * tree-ssa-loop-prefetch.c: New file.
12275 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12276 (new_temp_expr_table): Initialize expr_vars.
12277 (free_temp_expr_table): Cleanup expr_vars.
12278 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12279 expressions from being merged into one.
12280 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12281 (struct tree_niter_desc): Add control, bound and cmp fields.
12282 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12284 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12285 (tree-cfgcleanup.o): Add SCEV_H dependency.
12286 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12287 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12289 2006-02-14 Richard Guenther <rguenther@suse.de>
12291 PR tree-optimization/26258
12292 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12293 in PHI argument processing.
12295 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12297 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12298 new expression in the requested machine mode.
12300 2006-02-13 Roger Sayle <roger@eyesopen.com>
12302 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12303 directly, instead let do_compare_rtx_and_jump handle this for us.
12304 * expr.c (expand_expr_real_1): Likewise.
12305 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12306 before do_jump_by_parts_greater.
12307 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12308 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12310 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12312 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12314 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12316 PR rtl-optimization/26235
12317 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12318 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12321 2006-02-13 Jeff Law <law@redhat.com>
12323 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12326 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12328 PR middle-end/26092
12329 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12330 twice if decl is a builtin. When trying again, call get_callee_fndecl
12331 first to verify it is still a builtin.
12333 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12335 * dwarf2out.c (base_type_die): Don't add AT_name here.
12336 (subrange_type_die): Don't add AT_name here.
12337 (modified_type_die): Rearrange code flow. Do add AT_name here.
12339 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12341 PR rtl-optimization/26247
12342 PR rtl-optimization/26248
12343 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12345 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12347 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12348 * config/fixtfdi.c: Likewise.
12349 * config/fixunstfdi.c: Likewise.
12350 * config/floatditf.c: Likewise.
12352 2006-02-13 Roger Sayle <roger@eyesopen.com>
12354 PR middle-end/24427
12355 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12356 into (X,C2) if C1 is a subset of the bits of C2. Transform
12357 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12359 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12361 2006-02-13 Josh Conner <jconner@apple.com>
12364 * varasm.c (function_section): Check for section name before
12365 calling select_section on targets that define
12366 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12367 unlikely_text_section instead of hot_function_section if
12368 first_function_block_is_cold.
12370 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12372 PR middle-end/25335
12373 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12375 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12377 PR rtl-optimization/26222
12378 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12379 after tree->rtl expansion.
12380 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12381 before passing it to emit_move_insn.
12383 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12385 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12387 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12388 Clarify documentation.
12389 * c-common.h (warn_write_strings): Remove.
12390 * c-common.c (warn_write_strings): Likewise.
12391 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12394 2006-02-12 Roger Sayle <roger@eyesopen.com>
12396 PR middle-end/25724
12397 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12398 (do_jump_parts_zero_rtx): New function renamed from
12399 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12400 (do_jump_parts_equality_rtx): New function split out from
12401 do_jump_parts_equality. Old implementation renamed as above.
12402 Call do_jump_parts_zero_rtx if either operand is zero.
12403 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12404 do all of the heavy lifting.
12405 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12406 calling either do_jump_by_parts_greater_rtx or
12407 do_jump_by_parts_equality_rtx.
12408 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12409 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12410 moved to do_compare_rtx_and_jump, call it directly.
12411 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12412 mode argument. Call do_compare_rtx_and_jump.
12413 (emit_case_nodes): Update calls to do_jump_if_equal.
12415 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12417 PR rtl-optimization/26225
12418 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12420 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12422 PR rtl-optimization/26232
12423 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12425 2006-02-11 Jason Merrill <jason@redhat.com>
12428 * tree-inline.c (declare_return_variable): Just don't use the
12429 modify target if it's a gimple complex reg and the return slot
12432 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12434 * doc/contrib.texi: Update my entry.
12436 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12438 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12440 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12442 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12445 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12447 * doc/invoke.texi (-floop-optimize2): Removed.
12448 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12449 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12450 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12451 * common.opt (floop-optimize2): Removed.
12452 (fmove-loop-invariants): Enabled by default.
12454 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12456 * tree-if-conv.c (combine_blocks): Free the result of
12457 get_loop_exit_edges.
12459 2006-02-10 Jeff Law <law@redhat.com>
12461 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12463 PR tree-optimization/26213
12464 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12465 loop trying to follow SSA_NAME_VALUE chains.
12467 2006-02-10 Richard Guenther <rguenther@suse.de>
12469 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12470 deal with structures that end in implicitly variable sized arrays.
12472 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12474 PR rtl-optimization/24762
12475 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12478 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12480 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12481 (struct ivopts_data): Add regs_used field.
12482 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12483 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12484 instead of loop_data->regs_used;
12485 (free_loop_data): Do not free aux fields for loops.
12486 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12487 and tree_ssa_iv_optimize_finalize.
12489 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12491 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12493 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12496 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12497 computing the effective result type.
12499 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12501 PR inline-asm/16194
12502 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12503 (tree_overlaps_hard_reg_set): Declare.
12504 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12505 type and signature to match function type expected by walk_tree.
12506 (tree_overlaps_hard_reg_set): New function.
12507 (decl_conflicts_with_clobbers_p): Rename to:
12508 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12509 Use tree_overlaps_hard_reg_set. Changed caller.
12510 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12511 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12512 * cris.c (cris_md_asm_clobbers): Likewise.
12514 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12516 * reload1.c (emit_input_reload_insns): Delete code that tries to
12517 inherit using find_equiv_reg.
12519 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12521 * c-common.h (flag_const_strings): Don't declare.
12522 * c-common.c (flag_const_strings): Remove.
12523 * c.opt (fconst_strings): Remove.
12524 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12525 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12526 (c_common_init_options): Don't set flag_const_strings.
12527 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12529 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12531 * arm.md (tlobits_cbranch): New pattern.
12532 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12533 testing a single bit.
12535 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12538 * tree-ssa-pre.c (create_component_ref_by_pieces):
12539 Handle RETURN_DECL like VAR_DECL.
12541 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12543 PR middle-end/26134
12544 * fold-const.c (fold_indirect_ref_1): Fold
12545 "*(foo *)&complexfoo" to "__real__ complexfoo"
12546 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12548 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12550 * tree-flow-inline.h (var_can_have_subvars):
12551 Volatile variables should not have subvariables.
12553 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12556 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12557 multiplying unsigned values.
12560 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12562 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12564 2006-02-08 Jason Merrill <jason@redhat.com>
12567 * tree.def: Elaborate on difference from MODIFY_EXPR.
12568 * doc/c-tree.texi (INIT_EXPR): Likewise.
12569 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12570 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12571 (gimplify_target_expr): Likewise.
12572 (gimplify_cond_expr): Remove target handling.
12573 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12574 (gimplify_expr): Clobber it here.
12575 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12576 Do return slot optimization if we have an INIT_EXPR.
12579 * tree-inline.c (declare_return_variable): Also clear
12580 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12583 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12585 PR middle-end/22439
12586 * gimplify.c (gimplify_one_sizepos): Fix typo.
12588 2006-02-08 Jeff Law <law@redhat.com>
12590 PR tree-optimization/21417
12591 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12592 across a backedge if the control statement at the end of the
12593 block is data dependent on other statements in the same block.
12594 (record_temporary_equivalences_from_stmts): Remove over-conservative
12595 test for threading across backedges.
12597 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12598 control statement, handle all three special cases in the same
12599 manner as they all have the same desired solution. No longer
12600 special case edge flag updating when the post dominator is
12603 2006-02-08 Roger Sayle <roger@eyesopen.com>
12605 * tree.def (CHAR_TYPE): Remove.
12606 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12607 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12608 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12609 (gen_string_type_die): Delete unreachable function.
12611 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12612 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12613 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12614 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12615 * builtins.c (type_to_class): Likewise.
12616 * fold-const.c (fold_convert, build_range_check,
12617 merge_ranges): Likewise.
12618 * expr.c (count_type_elements): Likewise.
12619 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12620 * stor-layout.c (layout_type): Likewise.
12621 * ipa-type-escape.c (type_to_consider): Likewise.
12622 * gimplify.c (omp_firstprivatize_type_sizes,
12623 gimplify_type_sizes): Likewise.
12624 * explow.c (promote_mode): Likewise.
12625 * tree-sra.c (is_sra_scalar_type): Likewise.
12626 * varasm.c (output_constant): Likewise.
12627 * tree-inline.c (remap_type_1): Likewise.
12628 * convert.c (convert_to_pointer, convert_to_real,
12629 convert_to_integer, convert_to_complex): Likewise.
12631 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12633 * df-scan.c (df_def_record_1): A set destination may
12634 be a parallel regardless of mode.
12636 2006-02-08 Roger Sayle <roger@eyesopen.com>
12639 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12640 * config/mips/_tilib.c: Remove.
12641 * config/fixtfdi.c: New libgcc source file.
12642 * config/fixunstfdi.c: New source file.
12643 * config/floatditf.c: New source file.
12644 * config/floatunditf.c: New souce file.
12645 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12646 files above instead of config/mips/_tilib.c.
12647 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12649 2006-02-08 Jeff Law <law@redhat.com>
12651 PR tree-optimization/26169
12652 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12655 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12657 * df.h (DF_REG_SIZE): Return the length of the initialized
12660 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12662 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12663 __muldf3): Return a correctly signed zero.
12665 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12667 * passes.c (register_one_dump_file): Accept the current properties
12668 instead of pass number. Adjust call to dump_register. Remove
12670 (register_dump_files): Now a wrapper around...
12671 (register_dump_files_1): ... this one. Do not modify the pass
12673 (next_pass_1): Cosmetic fix.
12674 (execute_todo): Keep second parameter only. Use curr_properties
12675 instead of fetching it from the pass structure. Check and set
12677 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12678 instead of fetching it from the pass structure. Fix calls to
12679 execute_todo. Update curr_properties and initialize .vcg RTL dump
12680 after running the pass. Reset last_verified.
12681 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12683 (FIRST_AUTO_NUMBERED_DUMP): New.
12684 (dump_register): Remove "num" parameter, assign it within the
12686 (get_dump_file_name): Modify template for dumps.
12687 * tree-dump.h (dump_register): Adjust prototype.
12688 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12689 (PROP_trees): Add PROP_gimple_lomp.
12690 (TODO_set_props): New.
12691 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12692 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12693 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12695 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12697 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12698 (sparc64-*-linux*): Likewise.
12699 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12700 * config/sparc/t-linux: New file.
12701 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12702 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12703 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12704 -m32 -mlong-double-128.
12706 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12707 * config/alpha/t-linux: New file.
12708 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12710 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12711 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12712 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12713 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12714 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12715 (CPP_ARCH32_SPEC): Remove.
12717 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12719 PR tree-optimization/26145
12720 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12723 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12726 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12727 >= 240000 when generating code for SOM runtime.
12728 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12729 to $$dyncall when generating code for SOM runtime..
12731 2006-02-07 Dirk Mueller <dmueller@suse.com>
12734 * doc/invoke.texi (-Wsequence-point): Update documentation
12735 that -Wsequence-point is implemented for C++ as well.
12737 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12739 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12740 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12741 (LIB_SPEC): Likewise.
12742 * doc/invoke.texi (SPARC options): Document -pthread.
12744 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12746 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12749 2006-02-07 Roger Sayle <roger@eyesopen.com>
12751 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12752 Correct comment describing BOOLEAN_TYPE.
12754 2006-02-07 Dirk Mueller <dmueller@suse.com>
12756 * c.opt: C++ frontend supports -Wdiv-by-zero.
12757 * c-opts.c (c_common_handle_option): Remove dead case.
12759 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12761 * configure.ac (TLS assembler check): Do not enable TLS by
12762 default on SPARC/Solaris before version 10.
12763 * configure: Regenerate.
12765 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12767 * doc/invoke.texi (xl-compat): Document conversion and support
12770 2006-02-07 Jeff Law <law@redhat.com>
12772 * tree-vrp.c (find_conditional_asserts): Update comments.
12773 (simplify_stmt_for_jump_threading): New.
12774 (identify_jump_threads, finalize_jump_threads): New.
12775 (vrp_finalize): Call identify_jump_threads.
12776 (execute_vrp): Call finalize_jump_threads.
12777 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12778 (vrp_element, vrp_data, vrp_element_p): Remove.
12779 (vrp_hash_elt, vrp_variables_stack): Remove.
12780 (vrp_hash, vrp_eq, record_range): Remove.
12781 (simplify_cond_and_lookup_avail_expr): Remove.
12782 (extract_range_from_cond): Remove.
12783 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12784 (simplify_stmt_for_jump_threading): New.
12785 (dom_thread_across_edge): New wrapper.
12786 (tree_ssa_dominator_optimize): No longer initialize or
12787 finalize any of the VRP datastructures. Remove iteration
12788 step and simplify as a result of removal of iteration step.
12789 (pass_dominator): Perform a cfg cleanup after DOM.
12790 (dom_opt_finalize_block): Use the new common routines
12791 for threading jumps. Simplify stack management slightly.
12792 No longer need to unwind VRP state.
12793 (record_equivalences_from_incoming_edge): No longer record
12795 (eliminate_redundant_computations): No longer call
12796 simplify_cond_and_lookup_avail_expr.
12797 * tree-flow.h (potentially_threadable_block): Prototype.
12798 (thread_across_edge): Likewise.
12799 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12800 (tree-ssa-threadedge.o): Add dependencies.
12801 * tree-ssa-threadedge.c: New file.
12802 * passes.c (init_optimization_passes): Merge PHIs before
12803 calling VRP. Run VRP again late in the SSA optimization pipeline.
12805 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12807 * df-core.c (df_set_blocks): Do not dereference function pointers.
12808 (df_finish1): Likewise.
12809 (df_hybrid_search_forward): Likewise.
12810 (df_hybrid_search_backward): Likewise.
12811 (df_iterative_dataflow): Likewise.
12812 (df_analyze_problem): Likewise.
12813 (df_compact_blocks): Likewise.
12814 (df_dump): Likewise.
12815 * df-scan.c (df_rescan_blocks): Likewise.
12816 (df_record_entry_block_defs): Likewise.
12818 * genconditions.c (write_conditions): Guard the definition of
12819 'insn_conditions' with the check on GCC version.
12820 (write_writer): Guard the traversal 'insn_conditions' with
12821 the check on GCC version.
12823 2006-02-07 Richard Guenther <rguenther@suse.de>
12827 2006-01-30 Richard Guenther <rguenther@suse.de>
12829 * gimplify.c (gimplify_target_expr): Handle easy cases
12830 without creating a temporary.
12832 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12834 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12835 use of float in probability computations. Use edge probabilities
12836 in place of statically computed probabilities.
12837 (min_spec_prob): New static variable.
12838 (schedule_insns): Initialize it.
12839 (GET_SRC_PROB): Removed.
12840 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12842 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12845 * config/ia64/unwind-ia64.c: Revert last change.
12846 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12847 (INCOMING_FRAME_SP_OFFSET): Define.
12849 2006-02-06 Roger Sayle <roger@eyesopen.com>
12851 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12853 2006-02-07 Ben Elliston <bje@au.ibm.com>
12855 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12856 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12857 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12858 (ix86_return_in_memory): Handle TDmode.
12859 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12860 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12862 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12864 * reorg.c (dbr_schedule): Use dump_file instead of file.
12866 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12869 * config/ia64/predicates.md (extr_len_operand): New predicate.
12870 * config/ia64/ia64.md (extv): Tighten constraints.
12872 (*tbit_and_2): Ditto.
12873 (*tbit_and_3): Ditto.
12874 (*tbit_or_2): Ditto.
12875 (*tbit_or_3): Ditto.
12876 (*bit_zero): Ditto.
12879 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12882 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12884 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12886 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12887 loop_optimizer_init and loop_optimizer_finalize
12888 * tree-ssa-sink.c (execute_sink_code): Ditto.
12889 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12890 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12891 tree_ssa_loop_done): Ditto.
12892 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12893 * sched-ebb.c: Include output.h.
12894 (schedule_ebbs): Do not use dump argument.
12895 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12896 * loop.c (loop_dump_stream): Removed.
12897 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12899 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12900 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12901 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12902 loop_iterations, strength_reduce, record_biv, record_giv,
12903 final_giv_value, check_final_value, check_ext_dependent_givs,
12904 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12905 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12906 dump_file instead of loop_dump_stream.
12907 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12908 argument dump_file.
12909 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12911 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12912 * haifa-sched.c: Include output.h
12913 (schedule_insns, sched_init): Do not use dump argument.
12914 * mode-switching.c (optimize_mode_switching): Ditto.
12915 * modulo-sched.c (stats_file): Removed.
12916 (print_node_sched_params): Do not call argument dump_file.
12917 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12918 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12920 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12922 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12923 rtl_loop_init, rtl_loop_done): Ditto.
12924 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12925 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12927 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12928 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12929 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12930 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12931 * emit-rtl.c (renumber_insns): Ditto.
12932 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12933 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12934 * regclass.c (regclass): Ditto.
12935 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12936 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12937 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12938 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12940 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12941 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12943 * gcse.c (gcse_file, debug_stderr): Removed.
12944 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12945 rest_of_handle_gcse): Do not use dump argument.
12946 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12947 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12948 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12949 compute_code_hoist_vbeinout, compute_code_hoist_data,
12950 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12951 compute_store_table, build_store_vectors, insert_insn_start_bb,
12952 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12953 store_motion): Use dump_file instead of gcse_file.
12954 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12955 * profile.c (profile_dump_file): Removed.
12956 (branch_prob): Use dump_file instead of profile_dump_file.
12957 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12959 * tree-ssa-copy.c (dump_copy_of): Ditto.
12960 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12961 dump file to life_analysis.
12962 * bt-load.c (branch_target_load_optimize): Ditto.
12963 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12965 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12966 regclass, dbr_schedule): Declaration changed.
12967 * sched-int.h (sched_init): Declaration changed.
12968 * tree-profile.c (tree_profile_dump_file): Removed.
12969 (tree_profile_hooks): Removed profile_dump_file hook.
12970 * rtl-profile (rtl_profile_dump_file): Removed.
12971 (rtl_profile_hooks): emoved profile_dump_file hook.
12972 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12974 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12975 * tree-cfg.c (build_tree_cfg): Ditto.
12976 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12977 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12978 Declaration changed.
12979 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12980 life_analysis and schedule_insns.
12981 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12983 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12985 * config/mips/mips.c (mips_reorg): Ditto.
12986 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12989 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12991 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12992 (s390_mangle_fundamental_type): New.
12993 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12996 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12997 (alpha_mangle_fundamental_type): New.
12998 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13001 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13003 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13005 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13006 (sparc_mangle_fundamental_type): New.
13008 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13010 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13011 (s390x-*-linux*): Likewise.
13012 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13013 * config/s390/t-linux: New file.
13015 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13017 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13018 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13020 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13022 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13023 (ANTIC_SAFE_LOADS): New macro.
13024 (find_or_generate_expression): Add prototype.
13025 (set_contains_value): Allow null set for sake of not always having
13026 to allocate ANTIC_SAFE_LOADS.
13027 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13028 Allow COMPONENT_REF too.
13029 (valid_in_set): Allow COMPONENT_REF.
13030 Check ANTIC_SAFE_LOADS too.
13031 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13032 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13034 (can_PRE_operation): Add COMPONENT_REF.
13035 (create_component_ref_by_pieces): New function.
13036 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13037 (insert_aux): Move AGGREGATE_TYPE_P check here.
13038 (compute_avail): Set bb local stmt uids.
13039 (pass_pre): Use TODO_update_ssa_only_virtuals.
13041 2006-02-06 Ben Elliston <bje@au.ibm.com>
13043 * configure.ac: Unconditionally disable decimal float by default.
13044 * configure: Regenerate.
13046 2006-02-06 Ben Elliston <bje@au.ibm.com>
13048 * read-rtl.c (read_name): Terminate reading on EOF.
13050 2006-02-06 Ben Elliston <bje@au.ibm.com>
13052 * dfp.c (decimal_real_arithmetic): Change second argument type
13053 from int to enum tree_code. Do not always return true, but now
13054 return result of any call to decimal_do helper functions.
13055 * dfp.h (decimal_real_arithmetic): Update prototype.
13057 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13059 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13061 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13064 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13067 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13069 * tree-vrp.c (cfg_loops): Removed.
13070 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13071 Use current_loops instead of cfg_loops. Pass flags to
13072 loop_optimizer_init.
13073 * cfgloopmanip.c (fix_loop_structure): Update only available
13075 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13076 loop_optimizer_init.
13077 * modulo-sched.c (build_loops_structure): Removed.
13078 (sms_schedule): Use loop_optimizer_init.
13079 * loop-init.c (loop_optimizer_init): Use flags to determine
13080 which properties of loops to prepare.
13081 (rtl_loop_init): Pass flags to loop_optimizer_init.
13082 * tree-ssa-sink.c (execute_sink_code): Ditto.
13083 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13084 * tree-ssa-pre.c (init_pre): Ditto.
13085 * cfgloop.h (LOOPS_NORMAL): New.
13086 (loop_optimizer_init): Declaration changed.
13088 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13090 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13091 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13093 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13095 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13097 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13098 * pa/t-pa64: Delete quadlib.c rule.
13099 * pa/x-ada: Revert last change.
13100 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13102 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13104 PR rtl-optimization/26087
13105 * rtlanal.c (canonicalize_condition): Do not cross basic block
13108 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13111 * config/ia64/ia64.c: Include debug.h.
13112 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13113 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13114 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13115 (process_epilogue, process_set, process_for_unwind_directive):
13116 Output unwind info only if requested. Add CFA info if requested.
13117 Add new arguments as needed. Adjust callers.
13118 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13120 (DWARF2_FRAME_INFO): Define to zero.
13121 * config/ia64/unwind-ia64.c: Remove code that compensated for
13122 the CFA offset error fixed above.
13123 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13124 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13125 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13126 -funwind-tables and -fexceptions to enable frame info.
13127 (dwarf2out_frame_init): Define initial CFA even if
13128 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13129 DWARF2_UNWIND_INFO is nonzero, not just defined.
13130 (dwarf2out_frame_finish): Output non-EH call frame info only
13131 if DWARF2_FRAME_INFO is nonzero.
13132 (convert_cfa_to_loc_list,
13133 compute_frame_pointer_to_cfa_displacement): Define even if
13134 unwind info is not supported.
13135 (gen_subprogram_die): Use the above unconditionally. Remove
13136 legacy alternate code.
13137 * toplev.c (compile_file): Compile in call to
13138 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13139 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13141 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13142 Jakub Jelinek <jakub@redhat.com>
13144 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13145 IBM extended float format long double as "g" on powerpc*-linux.
13147 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13150 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13151 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13153 2006-02-03 Jason Merrill <jason@redhat.com>
13156 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13158 PR middle-end/25977
13159 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13160 on the return slot if it's an NRV.
13162 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13164 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13165 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13166 rewrite_use): Do not handle USE_OUTER.
13167 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13168 add_iv_outer_candidates, may_replace_final_value,
13169 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13170 (find_interesting_uses_op): Functionality of
13171 find_interesting_uses_outer_or_nonlin moved here.
13172 (find_interesting_uses_outside): Use find_interesting_uses_op.
13174 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13177 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13179 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13180 Ulrich Weigand <uweigand@de.ibm.com>
13183 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13184 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13185 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13186 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13188 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13189 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13190 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13191 Define secondary reloads for TFmode moves.
13192 (constant_modes): Add TFmode.
13193 (NR_C_MODES): Set to 8.
13194 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13196 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13197 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13198 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13199 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13200 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13201 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13202 (FPR mode macro): Add TFmode.
13203 (DSF mode macro): New.
13204 (<de>, <dee> mode attributes): Removed.
13205 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13206 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13207 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13208 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13209 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13210 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13211 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13212 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13213 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13214 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13215 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13216 "*negabs<mode>2", "sqrt<mode>2"):
13217 Changed <de> to <xde>. R constraint replaced by <Rf>.
13218 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13220 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13221 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13222 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13224 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13225 "extenddftf2", "extendsftf2"): New expanders.
13226 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13227 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13228 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13229 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13231 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13232 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13233 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13234 __floatditf): Add a GCC_4.1.0 symbol version tag.
13235 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13238 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13241 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13242 Use targetm.binds_local_p instead of TREE_PUBLIC.
13244 2006-02-02 Roger Sayle <roger@eyesopen.com>
13246 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13247 on INTEGER_TYPEs to indicate that it denotes a character type.
13248 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13249 signed_char_type_node, unsigned_char_type_node and char_type_node.
13250 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13251 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13252 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13254 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13255 Daniel Berlin <dberlin@dberlin.org>
13257 * tree-tailcall.c (arg_needs_copy_p): New function.
13258 (eliminate_tail_call): Use arg_needs_copy_p.
13259 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13260 (add_virtual_phis): New function.
13262 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13264 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13265 #ignore instead of #scratch for %g7 .register directive.
13267 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13269 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13272 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13274 * flow.c (calculate_global_regs_live): Assert that there aren't any
13277 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13279 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13280 what its name says.
13281 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13282 bsi_after_labels iterator.
13283 * tree-if-conv.c (find_phi_replacement_condition,
13284 replace_phi_with_cond_modify_expr): Likewise.
13285 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13286 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13288 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13290 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13292 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13295 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13296 array after growing it.
13298 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13300 PR middle-end/24901
13301 * fold-const.c (fold_checksum_tree): Change type of buf.
13303 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13305 * reload.c (push_secondary_reload): Initialize t_icode.
13307 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13309 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13310 -msoft-float -mlong-double-128 only issue a warning, but don't
13311 swich to DFmode long double.
13313 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13315 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13316 has a constant equivalent, iterate over equivalents for arg0,
13317 calling simplify_relational_operation and if there's a result
13318 cheaper than X, apply fold_rtx and return the result.
13320 2006-02-01 Jan Hubicka <jh@suse.cz>
13322 * opts.c (no_unit_at_a_time_default): New global variable.
13323 (decode_options): Use it.
13324 * opts.h (no_unit_at_a_time_default): Declare.
13326 2006-02-01 Paul Brook <paul@codesourcery.com>
13328 * function.c (assign_parm_setup_reg): Use function argument promotion
13330 * expr.c (expand_expr_real_1): Use function argument promotion rules
13333 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13335 * gcc.c (process_command): Change j to 'unsigned int'.
13337 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13339 PR middle-end/26001
13340 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13341 Use the corrected index for the character
13342 out of the string constant.
13344 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13346 * mode-switching.c (optimize_mode_switching): Fix size
13347 allocated for bb_info[n_entities].
13349 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13351 * gcc.c (main): Correct type that is allocated for
13352 explicit_link_files.
13354 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13356 * config/s390/s390.c (init_alignment_context): Set
13357 ALIAS_SET_MEMORY_BARRIER on the MEM.
13358 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13360 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13362 PR middle-end/25933
13363 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13365 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13368 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13370 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13371 * regrename.c: Ditto.
13372 * tree-ssa-loop-im.c: Ditto.
13373 * tree-dump.c: Ditto.
13374 * tree-complex.c: Ditto.
13375 * genrecog.c: Ditto.
13376 * tree-ssa-threadupdate.c: Ditto.
13378 * java/class.c: Ditto.
13379 * java/jcf-parse.c: Ditto.
13380 * java/resource.c: Ditto.
13381 * java/except.c: Ditto.
13382 * java/jvspec.c: Ditto.
13383 * java/jcf-write.c: Ditto.
13384 * java/jcf-path.c: Ditto.
13385 * java/gjavah.c: Ditto.
13386 * java/zextract.c: Ditto.
13387 * java/jcf-io.c: Ditto.
13388 * java/jcf.h: Ditto.
13389 * java/buffer.c: Ditto.
13390 * java/lang.c: Ditto.
13391 * java/parse-scan.y: Ditto.
13392 * java/lex.c: Ditto.
13393 * java/lex.h: Ditto.
13394 * cfgloopmanip.c: Ditto.
13395 * postreload-gcse.c: Ditto.
13396 * tree-ssa-loop-manip.c: Ditto.
13397 * postreload.c: Ditto.
13398 * tree-ssa-loop-ch.c: Ditto.
13401 * cppspec.c: Ditto.
13402 * diagnostic.c: Ditto.
13404 * genoutput.c: Ditto.
13406 * cfghooks.c: Ditto.
13407 * cfgloopanal.c: Ditto.
13408 * objc/objc-act.c: Ditto.
13410 * genextract.c: Ditto.
13411 * genautomata.c: Ditto.
13412 * pretty-print.c: Ditto.
13413 * genemit.c: Ditto.
13414 * cgraphunit.c: Ditto.
13416 * df-scan.c: Ditto.
13417 * haifa-sched.c: Ditto.
13418 * dominance.c: Ditto.
13420 * tree-ssa-loop-ivopts.c: Ditto.
13421 * df-core.c: Ditto.
13422 * mode-switching.c: Ditto.
13423 * modulo-sched.c: Ditto.
13425 * ipa-pure-const.c: Ditto.
13427 * fix-header.c: Ditto.
13429 * tree-stdarg.c: Ditto.
13430 * ipa-utils.c: Ditto.
13431 * loop-init.c: Ditto.
13432 * ipa-inline.c: Ditto.
13433 * cfganal.c: Ditto.
13435 * alloc-pool.c: Ditto.
13436 * dwarf2out.c: Ditto.
13438 * genattrtab.c: Ditto.
13439 * tree-ssa-loop-ivcanon.c: Ditto.
13440 * predict.c: Ditto.
13441 * timevar.c: Ditto.
13443 * fortran/gfortranspec.c: Ditto.
13444 * regmove.c: Ditto.
13445 * local-alloc.c: Ditto.
13446 * langhooks.c: Ditto.
13447 * function.c: Ditto.
13448 * tree-vectorizer.c: Ditto.
13450 * ipa-type-escape.c: Ditto.
13452 * tree-if-conv.c: Ditto.
13453 * profile.c: Ditto.
13455 * tree-data-ref.c: Ditto.
13456 * loop-unroll.c: Ditto.
13457 * treelang/treetree.c: Ditto.
13459 * bt-load.c: Ditto.
13460 * ggc-common.c: Ditto.
13462 * coverage.c: Ditto.
13464 * tree-cfgcleanup.c: Ditto.
13465 * tree-ssa-pre.c: Ditto.
13466 * cfgcleanup.c: Ditto.
13467 * loop-invariant.c: Ditto.
13468 * loop-iv.c: Ditto.
13469 * ipa-prop.c: Ditto.
13470 * print-tree.c: Ditto.
13471 * conflict.c: Ditto.
13472 * ggc-page.c: Ditto.
13473 * sched-deps.c: Ditto.
13474 * regclass.c: Ditto.
13475 * tree-object-size.c: Ditto.
13476 * combine.c: Ditto.
13477 * bb-reorder.c: Ditto.
13478 * resource.c: Ditto.
13479 * var-tracking.c: Ditto.
13480 * cfgloop.c: Ditto.
13481 * df-problems.c: Ditto.
13482 * reg-stack.c: Ditto.
13484 * gccspec.c: Ditto.
13485 * sched-rgn.c: Ditto.
13486 * tree-ssa-structalias.c: Ditto.
13487 * tree-ssa-reassoc.c: Ditto.
13488 * config/darwin-c.c: Ditto.
13489 * config/darwin.c: Ditto.
13490 * config/arm/arm.c: Ditto.
13492 * collect2.c: Ditto.
13493 * reload1.c: Ditto.
13495 2006-01-31 Nicolas Pitre <nico@cam.org>
13497 * arm.md (smaxsi3): Make aware of smax_m1.
13500 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13502 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13504 2006-01-31 Richard Guenther <rguenther@suse.de>
13506 * doc/invoke.texi (-msselibm): Document.
13507 * target.h (expand_library_builtin): New target hook.
13508 * builtins.c (expand_builtin): Use expand_library_builtin.
13509 (default_expand_library_builtin): New function.
13510 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13511 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13512 (link_gcc_math_spec): Declare.
13513 (static_specs): Add link_gcc_math_spec.
13514 * expr.h (default_expand_library_builtin): Declare.
13515 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13516 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13517 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13518 * config/i386/i386.opt (msselibm): New target option.
13519 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13520 (ix86_init_sse_abi_builtins): New function.
13521 (ix86_expand_library_builtin): Likewise.
13522 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13523 (override_options): Handle error conditions wrt -msselibm.
13524 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13525 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13526 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13529 2006-01-31 Richard Guenther <rguenther@suse.de>
13530 Paolo Bonzini <bonzini@gnu.org>
13532 * doc/install.texi (--disable-libgcc-math): Document.
13534 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13536 * expr.h (expand_normal): new inline function.
13537 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13538 * dojump.c: use it.
13539 * dwarf2out.c: use it.
13542 * expmed.c: use it.
13543 * except.c: use it.
13544 * config/sparc/sparc.c: use it.
13545 * config/i386/i386.c: use it.
13546 * config/rs6000/rs6000.c: use it.
13547 * config/arm/arm.c: use it.
13548 * config/mips/mips.c: use it.
13549 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13551 2006-01-30 Roger Sayle <roger@eyesopen.com>
13553 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13554 argv to the appropriate type.
13556 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13558 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13561 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13564 * config/s390/s390.c (struct machine_function): New flag
13565 decomposed_literal_pool_addresses_ok_p.
13566 (s390_reorg): Set it before final stage of literal pool transforms.
13567 (s390_decompose_address): Only accept displacements of the form
13568 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13570 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13572 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13573 the comparison routine return.
13575 2006-01-30 Michael Matz <matz@suse.de>
13577 * global.c (find_reg): Only evict for global regs.
13578 Take n_refs into account and dump more info.
13580 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13583 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13584 (pragma_trap, pragma_nosave_low_regs): Likewise.
13585 (current_function_anonymous_args): Likewise.
13586 (sh_deferred_function_attributes): New variable.
13587 (sh_deferred_function_attributes_tail): Likewise.
13588 (print_operand): For '@', look up trap_exit attribute.
13589 (calc_live_regs): Look up trapa_handler attribute. For trapa
13590 handlers, save/restore fpscr, but don't do any other
13591 interrupt-specific saves.
13592 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13593 Fix check for partially saved registers to check for SHmedia.
13594 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13595 (sh_output_function_epilogue): Don't clear any of the removed
13597 (sh_insert_attributes): Don't check pragma_interrupt.
13598 Insert deferred attributes. Check that interrupt attribute is
13599 present for other attributes that require its presence.
13600 (sh_attribute_table): Add new attributes trapa_handler and
13602 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13603 Don't check for pragma_interrupt. Don't store argument.
13604 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13605 (sh_deferred_function_attributes): Declare.
13606 (sh_deferred_function_attributes_tail): Likewise.
13607 * sh.md (sp_switch_1): Add operand. Change generator caller.
13608 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13609 (*return_i): Don't use when trap_exit attribute is in effect.
13610 (*return_trapa): New insn pattern.
13611 * sh-c.c: New file.
13612 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13613 setting c_target_objs and cxx_target_objs.
13614 * t-sh: Add rule for sh-c.o.
13616 2006-01-30 Richard Guenther <rguenther@suse.de>
13619 * gimplify.c (gimplify_target_expr): Handle easy cases
13620 without creating a temporary.
13622 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13624 * vec.h (safe_grow): Remove duplicated line.
13626 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13629 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13630 (expand_omp): ... here.
13631 (expand_omp_parallel): Only remove barriers for combined
13632 parallel+workshare constructs.
13634 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13638 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13639 * tree.c (build_qualified_type): Chain the new type to the original
13640 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13641 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13642 (build_pointer_type_for_mode): Only return unqualified types.
13643 (build_reference_type_for_mode): Likewise.
13645 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13647 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13648 * Makefile.in (CXX_COMPAT_WARN): Define.
13649 * configure: Regenerate.
13651 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13654 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13657 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13659 * toplev.c: Fix thinko.
13661 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13662 Marcin Dalecki <martin@dalecki.de>
13664 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13665 (push_srcloc): Use XNEW.
13666 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13668 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13670 * df-core.c (df_set_blocks): Deleted all variable.
13672 2006-01-28 Ian Lance Taylor <ian@airs.com>
13674 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13675 cgraph_output_pending_asms.
13677 2006-01-28 Zack Weinberg <zackw@panix.com>
13679 * c.opt: Add -W(no-)overlength-strings.
13680 * doc/invoke.texi: Document it.
13681 * c-opts.c (c_common_handle_option): -pedantic implies
13682 -Woverlength-strings, if not explicitly disabled already.
13683 (c_common_post_options): -Woverlength-strings defaults to off, and
13684 is always off for C++.
13685 * c-common.c (fix_string_type): Issue warning about strings longer
13686 than is portable only if warn_overlength_strings. Rearrange code
13687 a little for clarity.
13688 * configure.in: Check for -Wno-overlength-strings as well before
13689 enabling -pedantic in stage 1.
13690 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13691 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13693 * genconditions.c (write_header, write_one_condition)
13694 (write_conditions, write_writer): Consolidate very long strings
13695 that were broken up to fit in C89 portable limit. Don't use
13696 printf when fputs will do.
13698 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13700 * combine.c (simplify_comparison <AND>): Check
13701 TRULY_NOOP_TRUNCATION before start using a subreg.
13703 * config/mips/mips.md (*branch_zero<mode>,
13704 *branch_zero<mode>_inverted, *branch_equality<mode>,
13705 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13706 Remove mode check from comparisons.
13708 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13710 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13712 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13714 * expmed.c (const_mult_add_overflow_p): Remove.
13715 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13717 * recog.c (validate_replace_rtx_subexp): Remove.
13718 * recog.h: Remove the prototype for
13719 validate_replace_rtx_subexp.
13721 * integrate.h: Remove the prototype for
13722 copy_decl_for_inlining.
13723 * rtl.h: Remove the prototype for mark_constant_function.
13724 * tree-vectorizer.h: Remove the prototype for
13725 vect_strip_conversion.
13727 * modulo-sched.c (create_partial_schedule,
13728 free_partial_schedule, reset_partial_schedule): Make them
13731 * hooks.c (hook_bool_rtx_int_false): Remove.
13732 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13734 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13736 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13737 and -mlong-double-128 are incompatible.
13738 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13739 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13740 (TARGET_LIBGCC2_CFLAGS): Define.
13741 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13742 (TARGET_LIBGCC2_CFLAGS): Same.
13743 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13745 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13748 * c-typeck.c (build_binary_op): Perform implicit casts of
13749 operands before shortening them.
13751 * cfgloopmanip.c (split_loop_bb): Remove.
13752 * cfgloop.h: Remove the prototype for split_loop_bb.
13754 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13755 * cfgloop.h: Remove the prototype for
13756 flow_loop_outside_edge_p.
13758 * emit-rtl.c (init_virtual_regs): Make it static.
13759 * function.h: Remove the prototype for init_virtual_regs.
13761 * recog.c (peephole2_optimize): Make it static.
13762 * recog.h: Remove the prototype for peephole2_optimize.
13764 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13766 * df-scan.c (df_record_entry_block_defs): Check if
13767 INCOMING_RETURN_ADDR_RTX is defined.
13769 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13770 Kenneth Zadeck <zadeck@naturalbridge.com>
13772 PR rtl-optimization/24762
13773 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13774 * targhooks.c (hook_void_bitmap): New hook prototype.
13775 * targhoohs.h (hook_void_bitmap): Ditto.
13776 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13777 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13778 * target.h (live_on_entry): New function pointer.
13779 * df-scan.c (df_all_hard_regs): Removed.
13780 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13781 (df_scan_free_internal): Added df->entry_block_defs.
13782 (df_scan_alloc): Ditto.
13783 (df_scan_dump): Ditto.
13784 (df_uses_record): Plumbed flag field properly thru calls.
13785 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13786 This part fixes PR24762.
13787 (df_bb_refs_record): Added code to make the frame and arg
13788 pointers live in EH blocks.
13789 (df_refs_record): Added call to df_record_entry_block_defs.
13790 (df_record_entry_block_defs): New function.
13791 * df-core.c: Added comments to describe new artifical defs.
13792 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13793 (entry_block_defs): New field in struct df.
13794 (df_all_hard_regs): Deleted.
13795 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13796 * df-problems.c (df_ru_bb_local_compute_process_def):
13797 Added code to handle artifical defs in the entry to a function.
13798 (df_ru_bb_local_compute): Ditto.
13799 (df_rd_bb_local_compute_process_def): Ditto.
13800 (df_rd_bb_local_compute): Ditto.
13801 (df_lr_bb_local_compute): Ditto.
13802 (df_ur_bb_local_compute): Ditto.
13803 (df_urec_bb_local_compute): Ditto.
13804 (df_chain_create_bb): Ditto.
13805 (df_ur_local_finalize): Removed entry.
13806 (df_urec_init): Ditto.
13807 (df_urec_local_finalize): Ditto.
13808 (df_ri_bb_compute): Added detection of last use of pseudos.
13809 * Makefile.in (df-scan.o): Updated dependencies.
13810 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13811 * config/mips/mips.c (mips_set_live_on_entry): Added.
13812 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13814 * dce.c (marked_insn_p): Added code to handle artifical defs.
13816 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13818 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13820 (_mm_cvtsi128_si64): Likewise.
13821 (_mm_cvtsd_si64): Likewise.
13822 (_mm_cvttsd_si64): Likewise.
13823 (_mm_cvtsi64_sd): Likewise.
13824 (_mm_cvtsi64_si128): Likewise.
13825 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13826 (_mm_cvtsi64_m64): Likewise.
13827 (_m_to_int64): Likewise.
13828 (_mm_cvtm64_si64): Likewise.
13829 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13830 (_mm_cvttss_si64): Likewise.
13831 (_mm_cvtsi64_ss): Likewise.
13832 (_mm_cvtss_f32): Likewise.
13834 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13836 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13837 for pragma redefine_extname.
13839 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13842 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13843 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13844 -mno-minimal-toc to previous content.
13845 (bispecs): Remove goal.
13846 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13847 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13848 compatibility aliases on powerpc-*-*gnu*.
13849 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13850 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13851 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13852 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13853 (ldblspecs): New goal.
13854 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13855 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13857 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13858 L_sf_to_tf or L_df_to_tf is defined.
13860 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13861 Alan Modra <amodra@bigpond.net.au>
13864 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13865 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13866 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13867 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13868 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13869 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13870 (rs6000_override_options): Initialize rs6000_ieeequad.
13871 Initialize TFmode format to ibm_extended_format if not
13873 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13875 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13876 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13877 (function_arg_advance): IBM long double passed in two FPRs, not
13879 (function_arg): IBM long double passed in FPRs.
13880 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13881 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13882 Only multireg GPR aligned.
13883 (rs6000_init_libfuncs): Enable IBM long double functions if not
13885 (rs6000_generate_compare): Use IBM long double compare if not
13887 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13888 (TARGET_IEEEQUAD): Define.
13889 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13890 not TARGET_IEEEQUAD.
13891 * config/rs6000/rs6000.md: Enable TFmode patterns if
13893 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13894 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13895 and -mlong-double-128 are incompatible.
13896 * doc/invoke.texi (-mabi): Collect options together. Add
13897 ibmlongdouble and ieeelongdouble.
13899 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13901 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13903 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13904 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13905 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13906 * rtl.h (rtunion_def): Remove rt_ptr.
13908 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13909 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13910 * config/i386/winnt.c (i386_pe_mark_dllexport)
13911 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13913 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13915 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13917 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13921 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13922 pthread_key_delete. From John David Anglin. gthrw-ify
13923 pthread_getunique_np only if it it's not a macro. Delete
13925 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13926 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13927 __gthread_objc_condition_signal, __gthread_key_delete): Add
13928 "__attribute__ ((__unused__))" to unused arguments.
13929 (__gthread_recursive_mutex_init_function): Add missing return.
13930 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13931 gthr-posix95.h: Use macro-based approach for name redirection
13932 on targets missing weakref.
13934 2006-01-26 Zack Weinberg <zackw@panix.com>
13936 * genconditions.c (write_header): In generated code, #ifdef out
13937 all includes and fake declarations, except includes of bconfig.h
13938 and system.h, unless GCC_VERSION >= 3001. Do not include
13939 gensupport.h in any case.
13940 (write_conditions): Generate a definition of struct c_test. Add
13941 a comment to the generated #endif.
13942 (write_one_condition): Escape backslashes in string too.
13943 (write_writer): Generated code must escape backslashes and quote
13944 marks (but not newlines) in the strings it writes.
13945 * Makefile.in (build/gencondmd.o): Update dependencies.
13947 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13950 * Makefile.in (insn-automata.o): Add header file dependencies.
13951 * genautomata.c: Add includes.
13953 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13956 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13958 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13960 * configure.ac: Expect target tools paths to be passed from the toplevel
13961 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13963 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13965 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13968 * c.opt (Wpointer-sign): Init to -1.
13969 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13970 OPT_pedantic, to 0 otherwise.
13971 * doc/invoke.texi: Update.
13973 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13975 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13976 constants provided by 80387 instructions in the destination mode.
13978 2006-01-26 Richard Guenther <rguenther@suse.de>
13979 Andrew Pinski <pinskia@physics.uc.edu>
13982 partial PR tree-opt/17064
13983 * tree-ssa-structalias.c (intra_create_variable_infos):
13984 Create heap variables for incoming parameters if
13985 flag_argument_noalias > 1.
13986 (find_what_p_points_to): Look through default defs of
13989 2006-01-26 Jeff Law <law@redhat.com>
13992 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13993 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13994 within the VR_RANGE, use the VR_RANGE as the result, not the
13996 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13997 bounds for the type.
13999 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14001 * tree-ssa-alias.c (maybe_create_global_var): Change
14002 subvar walking to an assertion that we don't have subvar'd variables.
14004 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14007 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14008 Use a new variable, inner. PARM_DECLs are always non-weak.
14010 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14012 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14013 --disable-checking.
14015 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14017 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14019 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14021 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14022 (smax_insn, smin_insn, smax_0, smin_0): New.
14024 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14027 * config/cris/cris.c (cris_order_for_addsi3): New function.
14028 * config/cris/cris-protos.h: Prototype it.
14029 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14030 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14031 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14032 (split for "op.S1 [rx=rx+i],ry (swapped)")
14033 (split for "op(s|u).S1 [rx=rx+i],ry")
14034 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14035 Apply cris_order_for_addsi3 when generating addsi3 insns.
14037 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14039 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14040 (TREE_BLOCK): Add call to EXPR_CHECK.
14042 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14045 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14046 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14047 (dump_omp_clauses): ... here.
14048 (dump_generic_node): Handle OMP_CLAUSE.
14049 * tree.c (omp_clause_num_ops): New.
14050 (omp_clause_code_name): New.
14051 (tree_code_size): Handle OMP_CLAUSE.
14052 (tree_size): Likewise.
14053 (make_node): Document handling of OMP_CLAUSE.
14054 (tree_node_structure): Handle OMP_CLAUSE.
14055 (omp_clause_check_failed): New.
14056 (omp_clause_range_check_failed): New.
14057 (omp_clause_operand_check_failed): New.
14058 (build_omp_clause): New.
14059 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14060 * tree.h (enum omp_clause_code): Declare.
14061 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14062 (OMP_CLAUSE_RANGE_CHECK): Define.
14063 (OMP_CLAUSE_ELT_CHECK): Define.
14064 (omp_clause_check_failed): Declare.
14065 (omp_clause_operand_check_failed): Declare.
14066 (omp_clause_range_check_failed): Declare.
14067 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14068 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14069 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14070 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14071 (OMP_CLAUSE_IF_EXPR): Likewise.
14072 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14073 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14074 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14075 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14076 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14077 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14078 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14079 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14080 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14081 (OMP_CLAUSE_CODE): Define.
14082 (OMP_CLAUSE_SET_CODE): Define.
14083 (OMP_CLAUSE_CODE): Define.
14084 (OMP_CLAUSE_OPERAND): Define.
14085 (struct tree_omp_clause): Declare.
14086 (union tree_node): Add field 'omp_clause'.
14087 * treestruct.def (TS_OMP_CLAUSE): Define.
14088 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14089 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14090 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14091 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14092 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14093 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14094 (OMP_CLAUSE): Define.
14095 * print-tree.c (print_node): Handle OMP_CLAUSE.
14096 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14097 * c-typeck.c: Likewise.
14098 * gimplify.c: Likewise.
14099 * c-omp.c: Likewise.
14100 * tree-nested.c: Likewise.
14101 * tree-inline.c: Likewise.
14102 * c-parser.c: Likewise.
14103 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14106 2006-01-25 Roger Sayle <roger@eyesopen.com>
14108 PR rtl-optimization/25703
14109 * combine.c (try_combine): Handle zero_extract and strict_low_part
14110 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14112 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14114 * global.c: Fix comment typos.
14116 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14119 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14120 Use output_addr_const instead of assemble_name.
14122 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14124 * Makefile.in (sched-vis.o): Update dependencies.
14125 * haifa-sched.c (sched_finish): Clear current_sched_info.
14126 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14127 (dump_flow_info): Call it.
14128 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14130 * basic-block.h (dump_bb_info): Declare.
14131 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14132 option, and apply options only for dump files whose TDF_RTL,
14133 TDF_TREE, or TDF_IPA bits match.
14134 * rtl.h: Declare new functions exported from sched-vis.c.
14135 * sched-vis.c: Enable also if scheduling is not used.
14136 (print_value): Print the mode of registers if not inside scheduling.
14137 (print_insn): Make it work outside the scheduler. Beautify the output
14139 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14141 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14143 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14144 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14145 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14146 depending on the value of CONSTANT_POOL_ADDRESS_P.
14147 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14149 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14150 rather than SYMBOL_REF_DECL.
14151 (rtx_constant_pool): Remove const_rtx_sym_htab.
14152 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14153 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14154 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14155 Remove handling of const_rtx_sym_htab.
14156 (find_pool_constant): Delete.
14157 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14158 rather than find_pool_constant.
14159 (get_pool_constant_for_function): Delete.
14160 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14161 find_pool_constant.
14162 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14163 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14164 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14165 (SYMBOL_REF_CONSTANT): New macro.
14166 (get_pool_constant_for_function): Delete.
14167 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14168 rather than SYMBOL_REF_DECL.
14169 (i386_pe_mark_dllimport): Likewise.
14170 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14171 rather than SYMBOL_REF_DECL.
14172 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14173 (machopic_indirect_call_target): Likewise.
14175 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14177 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14179 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14181 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14183 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14185 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14187 2006-01-24 David Daney <ddaney@avtrex.com>
14190 * configure.ac (enable_tls): New enable option.
14191 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14192 * configure: Regenerate.
14193 * doc/install.texi (--enable-tls): Document new option.
14194 (--disable-tls): Ditto.
14196 2006-01-24 Richard Henderson <rth@redehat.com>
14198 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14199 * alias.c (true_dependence): Respect it.
14200 (canon_true_dependence, write_dependence_p): Likewise.
14201 * builtins.c (get_builtin_sync_mem): Set it.
14203 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14205 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14208 2006-01-24 DJ Delorie <dj@redhat.com>
14210 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14211 for storing constants in single-bit bitfields.
14213 2006-01-25 Ben Elliston <bje@au.ibm.com>
14215 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14217 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14220 * tree-ssa-pre.c (phi_translate): Return NULL
14221 for AGGREGATE_TYPE's.
14223 2006-01-24 Zack Weinberg <zackw@panix.com>
14225 * genautomata.c (process_state_for_insn_equiv_partition):
14226 Use xcalloc for insn_arcs_array.
14227 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14228 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14230 2006-01-24 Richard Henderson <rth@redhat.com>
14232 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14233 update all callers.
14235 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14237 PR rtl-optimization/25890
14238 PR rtl-optimization/25905
14239 * combine.c (expand_compound_operation, expand_field_assignment):
14240 Fail if the bitfield's final position is out of bounds.
14242 2006-01-24 Ian Lance Taylor <ian@airs.com>
14244 PR middle-end/25930
14245 * cgraphunit.c (cgraph_output_in_order): Don't clear
14246 cgraph_asm_nodes until after asm strings have been output.
14248 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14250 * fix-header.c (read_scan_file): Add new parameter imultilib when
14251 calling register_include_chains.
14253 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14255 * omp-low.c: Update documentation.
14257 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14258 Daniel Berlin <dberlin@dberlin.org>
14262 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14263 return from the function.
14265 2006-01-22 Zack Weinberg <zackw@panix.com>
14267 * rtl.def (match_code): Add second argument.
14268 * genpreds.c (write_extract_subexp): New function.
14269 (write_match_code): Add path argument. Use write_extract_subexp.
14270 (write_predicate_expr): Pass path to write_match_code.
14271 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14272 not perform a mode test.
14273 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14274 a subexpression does not constrain the top-level code set.
14275 * read-rtl.c (read_rtx_variadic): New function.
14276 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14277 * doc/md.texi: Document new notation.
14278 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14279 (cmpsi_operand): ... here, using new notation.
14281 2006-01-22 Zack Weinberg <zackw@panix.com>
14283 * varray.c: Remove GENERATOR_FILE #ifdefs.
14285 2006-01-22 Zack Weinberg <zackw@panix.com>
14287 * genautomata.c (output_reserved_units_table): Emit nothing if
14288 description->query_units_num is zero. Remove extra blank line.
14289 (output_cpu_unit_reservation_p): Short circuit
14290 if description->query_units_num is zero.
14292 2006-01-22 Zack Weinberg <zackw@panix.com>
14294 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14295 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14296 nor any of the random handful of variables that used to be necessary
14297 when this program was linked with rtlanal.o. Prune set of forward
14298 function declarations.
14299 (struct attr_desc): Remove static_p field.
14300 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14301 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14302 (attr_string): Do not read the character one past the length of
14304 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14305 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14306 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14307 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14308 (make_automaton_attrs): New.
14309 (main): Do not call into genautomata. Call local gen_bypass
14310 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14311 Remove special case for insn_alts.
14312 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14313 varray.h (leftover from previous change). Prune set of forward
14314 function declarations. Remove state_alts fields from all
14315 structures. Remove state_alts_table from struct automaton.
14316 Make everything except main static. Do not maintain num_dfa_decls.
14317 Do not maintain state_alts fields of various structures.
14318 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14319 (add_arc): Remove state_alts argument. All callers updated.
14320 (output_reserved_units_table): Emit #ifdef here...
14321 (output_tables): ...not here. Don't generate state_alts tables.
14322 (expand_automata): Don't generate attributes.
14323 (write_automata): Don't generate state_alts functions.
14324 (main): New function.
14325 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14326 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14327 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14328 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14329 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14330 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14331 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14332 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14334 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14335 * genattrtab.h: Delete file.
14336 * Makefile.in (OBJS-common): Add insn-automata.o.
14337 (insn-automata.o): New rule.
14338 (simple_generated_c): Add insn-automata.c.
14339 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14340 (genprogmd): Add automata.
14341 (build/genattrtab): Needs no extra objects nor libraries.
14342 (build/genautomata): Needs build/vec.o and -lm.
14344 2006-01-22 Zack Weinberg <zackw@panix.com>
14346 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14347 (output_dfa_max_issue_rate, locked_states_num): Delete.
14348 (struct automaton): Add locked_states field.
14349 (output_dead_lock_vect): Save number of locked states in
14350 automaton->locked_states. If it is zero, don't print anything.
14351 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14352 (output_internal_dead_lock_func): Only test the dead_lock_vect
14353 for automata that have locked states.
14354 (output_statistics): Always print the number of locked states for
14355 each automaton. Calculate total number of locked states here.
14356 (write_automata): Don't call output_dfa_max_issue_rate.
14357 * genattrtab.c: Define length_unit_log as a const variable.
14358 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14359 max_insn_queue_index const.
14360 * final.c (length_unit_log): Declare const.
14361 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14363 2006-01-22 Zack Weinberg <zackw@panix.com>
14365 * genautomata.c: Include vec.h, not varray.h.
14366 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14367 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14368 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14369 VEC_* macros operating on appropriately typed vectors, or to
14370 malloced arrays when the size is known in advance. Const-ify
14371 many char* variables and function arguments. No functional changes.
14372 * Makefile.in (build/varray.o): Delete rule.
14373 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14374 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14376 2006-01-22 Zack Weinberg <zackw@panix.com>
14378 * gensupport.c: Define get_insn_name and record_insn_name here.
14379 (read_md_rtx): Call record_insn_name as appropriate.
14380 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14381 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14382 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14384 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14385 (BUILD_VARRAY): Delete.
14386 (genprognormal): Rename genprogmd. Fold in all programs from
14387 genprognoprint; also attrtab.
14388 (build/genattrtab): Just mention genautomata.o and varray.o.
14389 Reorganize a bit, add comments to make the categories clearer.
14391 2006-01-22 Zack Weinberg <zackw@panix.com>
14393 * genconditions.c (condition_table, add_condition): Delete.
14394 (write_conditions): Don't emit n_insn_conditions nor
14395 insn_elision_unavailable. Issue the gcc version #ifdef here,
14396 inside the table, with no #else clause ...
14397 (write_header): ...not here.
14398 (write_writer): New function.
14399 (main): Don't initialize condition_table. Use add_c_test.
14401 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14402 files on the command line.
14403 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14404 Return -1 if there is no entry in the table, don't abort.
14405 (add_c_test, traverse_c_tests): New functions.
14406 * gensupport.h (insn_elision_unavailable, insn_conditions)
14407 (n_insn_conditions): Delete declarations.
14408 (add_c_test, traverse_c_tests): Declare.
14409 * read-rtl.c: Include gensupport.h.
14410 (read_conditions): New function.
14411 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14412 (read_rtx_1): If we get EOF when we were looking for an initial
14413 open paren, return 0. Call read_conditions when appropriate.
14414 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14415 dummy-conditions.o. Eliminate references to insn-conditions.o,
14416 or change them to build/gencondmd.o, as appropriate. Remove
14417 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14418 from $(simple_generated_c). For all files remaining in those
14419 two lists, add insn-conditions.md to the generator command line.
14420 Give insn-constants.h/s-constants their own rules. Add rules
14421 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14422 (build/read-rtl.o): Depend on gensupport.h.
14423 (genprognormal): Include preds.
14424 (genprogearly): Rename genprognoprint; only difference is now that
14425 they don't link with $(BUILD_PRINT).
14426 * dummy-conditions.c: Delete.
14428 2006-01-22 Zack Weinberg <zackw@panix.com>
14430 * genextract.c: Don't include insn-config.h. Do include vec.h.
14431 Declare vectors of int, char, and locstr.
14432 (locstr): New typedef.
14433 (struct extraction): Make all array fields into bare pointers.
14434 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14435 (insn_code_number): Delete.
14436 (accum_extract): New struct.
14437 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14438 (gen_insn): Take insn_code_number as an argument. Use an
14439 accum_extract structure instead of loading data directly into
14440 a struct extraction, and having to know how big it might get.
14441 (walk_rtx): Operate entirely on an accum_extract structure.
14442 (print_path): Avoid unnecessary use of printf.
14443 (print_header): New function, split out of main. Distinguish
14444 more carefully between an unrecognizable insn and an insn that
14445 has the code number of a define_expand.
14446 (main): Pass insn_code_number to gen_insn. Call print_header
14447 only after parsing. Avoid unnecessary use of printf.
14448 * Makefile.in (build/vec.o): New rule.
14449 (build/genextract): Depend on build/vec.o.
14450 (build/genextract.o): Don't depend on insn-config.h.
14452 2006-01-22 Zack Weinberg <zackw@panix.com>
14454 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14455 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14456 practical. Eliminate per-generator-program link rules.
14458 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14460 PR middle-end/24437
14461 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14462 with a call expr to ...
14463 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14465 2006-01-23 Richard Guenther <rguenther@suse.de>
14467 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14468 before make_edge with conditional EDGE_TRUE_VALUE.
14470 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14471 Jan Hubicka <jh@suse.cz>
14472 Richard Guenther <rguenther@suse.de>
14474 PR rtl-optimization/25654
14475 * cfgexpand.c (aggregate_contains_union_type): New function.
14476 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14477 for structure variables that contain a union type.
14479 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14481 * gengtype.c (new_structure): Return the structure.
14482 (create_option): Add an extra "next" argument.
14483 (create_field): New function.
14484 (adjust_field_rtx_def): Use create_option and create_field.
14485 Remove a now-unnecessary call to find_structure.
14486 (adjust_field_tree_def): Likewise.
14487 (note_yacc_type): Remove an unnecessary call to find_structure.
14488 * gengtype.h (new_structure): Return the structure.
14489 (create_option): Add an extra argument.
14490 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14491 (option): Adjust calls to create_option.
14493 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14495 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14497 2006-01-22 Paul Brook <paul@codesourcery.com>
14498 Peter Barada <peter@the-baradas.com>
14500 * config/m68k/m68k.md: Add Coldfire FPU support.
14501 Define FP mode macro and associated attributes.
14502 Use it for float mode patterns.
14503 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14504 (LIBCALL_VALUE): Use m68k_libcall_value.
14505 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14506 (m68k_function_value): Ditto.
14507 (emit_move_sequence): Ditto.
14508 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14509 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14510 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14511 (MULTILIB_EXCEPTIONS): Ditto.
14512 * config/m68k/m68k.opt: Add mcfv4e.
14513 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14514 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14515 (m68k_output_function_prologue): Save ColdFire FPU registers.
14516 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14517 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14518 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14519 ColdFire FPU registers.
14520 (m68k_libcall_value, m68k_function_value): New functions.
14521 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14522 (LIBCALL_VALUE): Use m68k_libcall_value.
14523 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14524 (MASK_COLDFIRE): Add MASK_CFV4E.
14525 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14526 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14527 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14528 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14529 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14530 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14531 * doc/invoke.tex: Document -mcfv4e on m68k.
14533 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14535 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14538 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14541 * c-opts.c (c_common_handle_option): Don't include
14542 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14543 * doc/invoke.texi (C++ Dialect Options): Document that
14544 -Wnon-virtual-dtor is no longer included in -Wall.
14546 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14548 * gcov.c (print_version), gcov-dump.c (print_version),
14549 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14552 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14554 * df-scan.c (problem_SCAN): Added NULL reset function.
14555 (df_scan_reset_blocks): Added code to call reset block function
14556 (df_bb_refs_delete) Fixed comment.
14557 (df_insn_refs_delete): Made tolerant of deleting non existent info
14558 for dataflow problems that need to be reset.
14559 * df-core.c (df_set_blocks): Ditto.
14560 * df.h (struct df_problem): Added reset_fun.
14561 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14562 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14563 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14564 functions to clear out all references to def-use or use-def chains.
14566 2006-01-21 Ben Elliston <bje@au.ibm.com>
14568 * varasm.c (assemble_real): Initialise data array.
14570 2006-01-20 Paul Brook <paul@codesourcery.com>
14572 Merge from csl-arm-branch.
14573 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14574 * config/arm/arm.md (movdi): Force operands[1] to a register
14575 if we have a non-register source.
14576 (*arm_movdi, *movdf_soft_insn): Require that one of the
14577 operands be a register.
14578 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14579 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14581 2006-01-20 DJ Delorie <dj@redhat.com>
14583 * varasm.c (initializer_constant_valid_p): Allow pointers
14584 initialized from integer constants of lesser precision.
14585 (output_constant): Allow non-int-sized pointer modes to be
14586 initialized from integer constants.
14588 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14591 * cppdefault.h (struct default_include): Add multilib flag.
14592 * cppdefault.c (cpp_include_defaults): Set it.
14593 * c.opt (-imultilib): New option.
14594 * c-opts.c (imultilib): New.
14595 (c_common_handle_option): Handle -imultilib.
14596 (c_common_post_options): Likewise.
14597 * c-incpath.c (add_standard_paths, register_include_chains):
14599 * c-incpath.h (register_include_chains): Add extra parameter.
14600 * gcc.c (do_spec_1): Generate -imultilib option.
14601 (The Specs Language): Update %I description.
14602 (process_command): Update copyright notice.
14603 * doc/cppopts.texi (-imultilib): Document.
14604 * doc/invoke.texi (-imultilib): Include in option summary.
14605 (%I): Update specs documentation.
14607 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14609 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14611 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14613 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14616 2006-01-20 Richard Guenther <rguenther@suse.de>
14617 Steven Bosscher <stevenb.gcc@gmail.com>
14619 PR rtl-optimization/24626
14620 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14621 EDGE_TRUE_VALUE if in RTL mode.
14624 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14625 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14627 2006-01-20 Dirk Mueller <dmueller@suse.com>
14630 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14631 instead of a special NOP marker.
14632 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14633 NOP marker handling.
14634 * c-common.h (empty_body_warning): Add forward declaration.
14635 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14636 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14638 2006-01-20 Paul Brook <paul@codesourcery.com>
14640 * Makefile.in (lang_checks): Keep going if mkdir fails.
14642 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14644 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14645 be able to clean out basic block when not necessary.
14646 (df_scan_free): Fixed to properly delete information if df is
14647 unused before calling df_finish.
14648 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14649 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14651 (df_bb_refs_delete): New function.
14652 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14653 * df-core.c (df_set_blocks): Added code to properly clean out
14654 unused blocks if they are not part of the blocks to consider.
14655 Added additional null check.
14656 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14657 be able to clean out basic block when not necessary
14658 * df.h (df_free_bb_function): Ditto.
14659 (df_bb_refs_delete): New function.
14660 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14661 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14662 basic block parameter to be able to clean out basic block when not
14664 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14665 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14666 Fixed to properly delete information if df is unused before
14669 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14671 PR rtl-optimization/25799
14672 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14673 Corrected confluence operator to remove bits from op2 before oring
14674 with op1 rather than removing bits from op1.
14675 (df_ru_transfer_function): Corrected test on wrong bitmap which
14676 caused infinite loop. Both of these problems were introduced in
14677 the dataflow rewrite.
14679 2006-01-19 DJ Delorie <dj@redhat.com>
14681 * reload1.c (find_reload_regs): Note the details of reload
14682 failures in the dump file.
14683 (spill_failure): Likewise.
14685 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14687 * loop-iv.c: Include df.h and hashtab.h.
14688 (enum iv_grd_result): New enum.
14689 (DF_REF_IV, DF_REF_IV_SET): New macros.
14690 (struct biv_entry): New.
14691 (df, bivs): New global variables.
14692 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14693 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14695 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14696 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14697 analyzed_for_bivness_p, record_biv): New functions.
14698 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14699 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14700 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14702 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14704 (iv_number_of_iterations): Use new interface to iv analysis.
14705 * loop-unroll.c: Do not include varray.h.
14706 (analyze_iv_to_split_insn): Use new interface to iv
14708 * loop-unswitch.c (may_unswitch_on): Ditto.
14709 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14711 (df_bb_modify): Realloc tables to the new index.
14712 (df_find_use): New function.
14713 * df.h (df_find_use): Declare.
14714 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14716 * cfgloop.h (struct rtx_iv): Remove analysed field.
14717 (iv_get_reaching_def): Removed.
14718 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14719 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14720 (loop-iv.o): Add df.h and hashtab.h dependency.
14721 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14723 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14726 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14728 (__floatundisf, __floatundidf): Likewise.
14729 * libgcc2.h (IS_IBM_EXTENDED): Define.
14731 2006-01-19 DJ Delorie <dj@redhat.com>
14733 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14735 2006-01-19 Paul Brook <paul@codesourcery.com>
14737 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14738 as nothrow when unwinding tables are disabled.
14740 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14743 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14744 of bit-field" when in system header.
14746 2006-01-19 DJ Delorie <dj@redhat.com>
14748 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14749 the 16 bit shift limit of the m16c.
14751 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14754 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14755 * config/i386/i386.c (output_set_got): Output the label if we have one
14756 for the TARGET_DEEP_BRANCH_PREDICTION case.
14758 2006-01-19 Jan Hubicka <jh@suse.cz>
14759 H.J. Lu <hongjiu.lu@intel.com>
14760 Evandro Menezes <evandro.menezes@amd.com>
14762 * invoke.texi (generic): Document
14764 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14765 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14766 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14767 (x86_use_incdec, x86_pad_returns): New variables
14768 (TARGET_CPU_DEFAULT_generic): New constant
14769 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14770 (enum processor_type): Add generic32 and generic64.
14771 * i386.md (cpu attribute): Add generic32/generic64
14772 (movhi splitter): Behave sanely when both partial_reg_dependency and
14773 partial_reg_stall are set.
14774 (K8 splitters): Enable for generic as well.
14775 * predicates.md (incdec_operand): Use TARGET_INCDEC
14776 (aligned_operand): Avoid memory mismatch stalls.
14777 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14778 * ppro.md: Enable for generic32
14779 * i386.c (generic64_cost, generic32_cost): New.
14780 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14781 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14782 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14783 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14784 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14785 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14786 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14787 x86_accumulate_outgoing_args, x86_prologue_using_move,
14788 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14789 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14790 Enable for generic.
14791 (x86_use_incdec, x86_pad_returns): New.
14792 (override_options): Add generic32 and generic64, translate "generic"
14793 to generic32/generic64 and "i686" to "generic32", refuse
14794 "generic32"/"generic64" as arch target.
14795 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14796 (ix86_reorg): Honor PAD_RETURNS.
14798 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14800 * tree-pretty-print.c (dump_generic_node): Handle
14801 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14802 * cgraph.c (cgraph_expand_queue): Rename from
14803 cgraph_analyze_queue. Update all users.
14804 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14805 cgraph_expand_queue.
14806 (cgraph_expand_all_functions): Likewise.
14807 (cgraph_finalize_pending_functions): Remove. Update callers.
14809 * tree.h (OMP_DIRECTIVE_P): Define.
14810 (OMP_PARALLEL_FN): Define.
14811 (OMP_PARALLEL_DATA_ARG): Define.
14812 (OMP_SECTIONS_SECTIONS): Define.
14813 * tree-pass.h (pass_expand_omp): Declare.
14814 * omp-low.c (struct omp_region): Declare.
14815 (struct omp_context): Remove fields 'parallel_type',
14816 'parallel_start_ix' and 'parallel_start_additional_args'.
14818 (struct omp_for_data): Rename from struct expand_omp_for_data.
14819 (omp_regions): New static variable.
14820 (root_omp_region): New static variable.
14821 (find_omp_clause): Make static.
14822 (is_in_combined_parallel_ctx): Remove.
14823 (is_combined_parallel): New.
14824 (extract_omp_for_data): Move earlier in the file.
14825 (workshare_safe_to_combine_p): New.
14826 (get_ws_args_for): New.
14827 (determine_parallel_type): Move earlier in the file.
14828 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14830 (omp_copy_decl): Likewise.
14831 (create_omp_child_function): Likewise.
14832 (lookup_omp_region): New.
14833 (dump_omp_region): New.
14834 (debug_omp_region): New.
14835 (debug_all_omp_regions): New.
14836 (new_omp_region): New.
14837 (scan_omp_parallel): If parallel_nesting_level > 1, the
14838 directive is nested within another parallel directive.
14839 Set OMP_PARALLEL_FN.
14840 (scan_omp_for): Do not try to handle combined parallel+for
14842 Remove FIXME comment.
14843 (scan_omp_nested): Remove.
14844 (scan_omp_1): Do not call scan_omp_nested when
14845 parallel_nesting_level is > 1.
14846 Do not change the DECL_CONTEXT of local variables found.
14847 (lookup_decl_in_outer_ctx): New.
14848 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14849 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14850 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14851 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14852 If CTX is nested, lookup VAR in the outer context when
14853 building copy assignment.
14854 (lower_send_clauses): Rename from expand_send_clauses.
14855 If CTX is nested, lookup VAR in the outer context when
14856 building copy assignments.
14857 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14858 If CTX is nested, lookup VAR in the outer context when
14859 building copy assignments.
14860 (expand_parallel_call): Rename from build_parallel_call.
14861 Handle combined parallel+workshare cases.
14862 Re-implement to emit code into the CFG.
14864 (expand_omp_parallel): Re-implement to emit code into the CFG.
14865 Call move_sese_region_to_fn to outline the sub-graph
14866 containing the parallel region.
14867 (expand_omp_for_1): Remove.
14868 (expand_omp_for_generic): Re-implement to emit code into the
14870 (expand_omp_for_static_nochunk): Likewise.
14871 (expand_omp_for_static_chunk): Likewise.
14872 (expand_omp_for): Likewise.
14873 (expand_omp_sections): Likewise.
14874 (remove_exit_barriers): New.
14875 (expand_omp_synch): New.
14877 (build_omp_regions_1): New.
14878 (build_omp_regions): New.
14879 (execute_expand_omp): New.
14880 (gate_expand_omp): New.
14881 (pass_expand_omp): Define.
14882 (lower_omp_sections): Rename from expand_omp_sections.
14883 Set OMP_SECTIONS_SECTIONS.
14884 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14885 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14886 (lower_omp_single): Rename from expand_omp_simple.
14887 (lower_omp_master): Rename from expand_omp_master.
14888 (lower_omp_ordered): Rename from expand_omp_ordered.
14889 (lower_omp_critical): Rename from expand_omp_critical.
14890 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14891 (lower_omp_for): Re-implement.
14892 (lower_omp_parallel): Re-implement.
14893 (lower_regimplify): Rename from expand_regimplify.
14894 (lower_omp_1): Rename from expand_omp_1.
14895 If there are syntax errors in the program, replace every
14896 OpenMP directive with NOP.
14897 Call lower_omp_* instead of expand_omp_*.
14898 (lower_omp): Rename from expand_omp.
14900 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14901 * tree-gimple.h (enum omp_parallel_type): Remove.
14902 (gimple_boolify): Declare extern.
14903 (find_omp_clause, determine_parallel_type): Remove.
14905 * gimple-low.c (lower_omp_directive): New.
14906 (lower_stmt): Call it.
14907 (record_vars_into): Move from ...
14908 (record_vars): ... here.
14909 Call record_vars_into with current_function_decl.
14911 * gimplify.c (struct gimplify_ctx): Remove fields
14912 combined_pre_p and combined_ctxp. Update users.
14913 (get_formal_tmp_var): Add documentation.
14914 (gimple_boolify): Make extern.
14915 (gimplify_expr_in_ctx): Remove. Update callers.
14916 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14917 will always be a BIND_EXPR.
14918 (gimplify_expr): Handle OMP_RETURN_EXPR.
14919 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14920 (OMP_PARALLEL): Add 3 operands.
14921 (OMP_SECTIONS): Add 1 operand.
14922 (OMP_RETURN_EXPR): Define.
14924 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14925 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14926 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14927 creating a circular free list.
14928 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14930 * tree-flow.h (move_sese_region_to_fn): Declare.
14931 (record_vars_into): Declare.
14932 * tree-cfg.c (make_omp_sections_edges): New.
14933 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14934 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14935 OMP_SECTIONS and OMP_SECTION.
14936 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14937 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14938 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14939 (gather_blocks_in_sese_region): New.
14940 (struct move_stmt_d): Declare.
14941 (move_stmt_r): New.
14942 (move_block_to_fn): New.
14943 (move_sese_region_to_fn): New.
14945 * passes.c (init_optimization_passes): Schedule
14946 pass_expand_omp after pass_init_datastructures.
14948 * tree-ssa-operands.c (get_expr_operands): Handle
14949 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14950 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14952 2006-01-19 Jeff Law <law@redhat.com>
14954 * tree-vrp.c (extract_range_from_assert): Refine the result range
14955 if the variable referenced by the ASSERT_EXPR has a range and
14956 either the tentative result range or the previous range is a
14959 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14961 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14963 2006-01-19 Jan Hubicka <jh@suse.cz>
14965 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14967 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14969 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14970 (expand_compound_operation, expand_field_assignment): Fail if the
14971 bit lengths of an extract operation are out of range.
14972 (make_extraction): Compute wanted_inner_mode based on the position
14973 and length of the extraction. Make it extraction_mode for non-constant
14974 positions, and do not modify offset in that case. When generating a
14975 new MEM, use a mode that can hold the extraction while keeping correct
14976 alignment. Remove code that supported MEMs wrapped by USEs.
14977 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14979 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14981 * config/s390/s390.md ("Y", "y"): New mode attribute.
14982 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14983 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14984 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14985 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14986 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14987 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14988 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14989 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14990 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14991 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14992 "addsi3", "subsi3"): Insn patterns removed.
14993 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14994 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14995 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14996 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14997 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14998 "*sub<mode>3_cconly2"): New insn patterns.
14999 ("addsi3", "subsi3"): New expanders.
15001 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15003 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15004 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15005 existing STMT_VINFO_VECTYPE if available.
15006 (vect_mark_relevant): Add special handling for stmts that are
15007 marked as STMT_VINFO_IN_PATTERN_P.
15008 (vect_analyze_loop): Call vect_pattern_recog.
15009 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15010 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15012 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15013 (vect_recog_func_ptr): New function-pointer type.
15014 * tree-vect-patterns.c: New file.
15015 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15016 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15017 (vect_pattern_recog_1): New functions.
15018 (vect_pattern_recog_funcs): New array of function pointers.
15020 * tree-vectorizer.h (ternary_op): New enum value.
15021 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15022 declaration. Revised documentation. Removed redundant dump prints.
15023 Removed redundant argument. Added support for reduction patterns.
15024 (vectorizable_reduction): Added support for reduction patterns.
15025 (vect_transform_stmt): Added support for patterns.
15027 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15028 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15029 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15030 (expand_widen_pattern_expr): New function.
15031 (init_optabs): Initialize new optabs udot_prod_optab,
15033 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15034 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15035 (expand_widen_pattern_expr): New function declaration.
15036 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15038 * tree-inline.c (estimate_num_insns_1): Added cases for new
15039 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15040 * tree-pretty-print.c (dump_generic_node): Likewise.
15041 (op_prio): Likewise.
15042 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15043 * tree-ssa-operands.c (get_expr_operands): Added case for
15045 * tree-vect-patterns.c (widened_name_p): New function.
15046 (vect_recog_dot_prod_pattern): Added function implementation.
15047 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15048 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15049 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15050 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15052 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15053 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15054 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15055 (init_optabs): Initialize new optabs widen_ssum_optab,
15057 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15058 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15059 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15060 use instead of type of def.
15061 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15062 function implementation.
15063 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15064 widen_ssumv8hi): New.
15066 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15069 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15072 * c-decl.c (add_flexible_array_elts_to_size): New function.
15073 (finish_decl): Use it.
15075 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15077 * diagnostic.h: Include options.h.
15078 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15079 dependancies for diagnostic.h.
15080 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15082 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15084 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15085 (ssa_ro_call_cache_valid): Ditto.
15086 * tree-ssa-alias.c (sort_tags_by_id): New function.
15087 (init_transitive_clobber_worklist): Ditto.
15088 (add_to_worklist): Ditto.
15089 (mark_aliases_call_clobbered): Ditto.
15090 (compute_tag_properties): Ditto.
15091 (set_initial_properties): Ditto.
15092 (compute_call_clobbered): Ditto.
15093 (compute_may_aliases): Call compute_call_clobbered and grouping.
15094 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15095 (compute_flow_insensitive_aliasing): Grouping now happens in our
15097 (setup_pointers_and_addressables): Remove clobbering related code.
15098 (add_may_alias): Ditto.
15099 (replace_may_alias): Ditto.
15100 (get_nmt_for): Ditto.
15101 (create_global_var):
15102 (is_escape_site): Return an escape_type enumeration.
15103 * tree-flow-inline.h (is_call_clobbered): Global var does not
15104 imply call clobbered.
15105 (mark_call_clobbered): Take a reason for marking this. Remove
15106 marking of globalness, and cache invalidation.
15107 (clear_call_clobbered): Remove cache invalidation code.
15108 * tree-dfa.c (dump_variable): If details is on, dump the reason
15110 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15112 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15113 (struct var_ann_d): Ditto.
15114 (enum escape_type): New.
15115 (mark_call_clobbered): Adjust prototype.
15116 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15117 are never call clobbered.
15118 Record reasons for escaping.
15119 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15120 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15121 (ssa_ro_call_cache_valid): Ditto.
15122 (clobbered_v_may_defs): Ditto.
15123 (clobbered_vuses): Ditto.
15124 (ro_call_vuses): Ditto.
15125 (clobber_stats): New.
15126 (init_ssa_operands): Zero out clobber stats.
15127 (fini_ssa_operands): Print out clobber stats.
15128 (get_call_expr_operands): Pass callee fndecl to
15129 add_call_read_ops).
15130 (add_call_clobber_ops): Remove use of cache.
15131 Add use of PURE_CONST information.
15132 (add_call_read_ops): Remove use of cache.
15133 Add use of static not_read information.
15135 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15137 Introduce TLS descriptors for i386 and x86_64.
15138 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15139 (TARGET_ANY_GNU_TLS): New macro.
15140 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15141 (struct machine_function): Add tls_descriptor_call_expanded_p.
15142 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15143 (ix86_current_function_calls_tls_descriptor): Likewise.
15144 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15145 (override_options): Introduce gnu2 tls dialect.
15146 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15148 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15150 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15151 (ix86_init_machine_status): Initialize new field.
15152 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15153 (ix86_tls_module_base): New.
15154 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15155 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15156 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15157 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15158 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15159 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15160 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15161 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15162 * config/i386/predicates.md (tls_modbase_operand): New.
15163 (tp_or_register_operand): New.
15165 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15167 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15168 (look_for_address_of): Ditto.
15169 (ipa_init): Walk the function decls.
15170 (static_execute): Don't set readonly on FUNCTION_DECL's.
15172 2006-01-18 Roger Sayle <roger@eyesopen.com>
15174 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15175 for shifts where the source and destination registers are different.
15177 2006-01-18 Paul Brook <paul@codesourcery.com>
15179 Merge from csl-arm-branch.
15180 2005-03-14 Julian Brown <julian@codesourcery.com>
15181 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15182 (aeabi_llsl): Likewise.
15183 (ashrdi3): Likewise.
15184 (aeabi_lasr): Likewise.
15185 (lshrdi3): Likewise.
15186 (aeabi_llsr): Likewise.
15187 2005-03-10 Julian Brown <julian@codesourcery.com>
15188 * config.gcc: Disable shared libgcc for SymbianOS.
15189 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15191 2006-01-18 DJ Delorie <dj@redhat.com>
15193 * c-pragma.c (handle_pragma_diagnostic): New.
15194 (init_pragma): Register it.
15195 * doc/extend.texi: Document it.
15197 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15198 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15199 (diagnostic_context): Add classify_diagnostic[].
15200 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15201 as errors if they're overridden to DK_WARNING.
15202 (diagnostic_initialize): Initialize classify_diagnostic[].
15203 (diagnostic_set_kind_override): New.
15204 (diagnostic_report_diagnostic): Check for kind changes.
15205 * opts.c (common_handle_option): Take lang_mask. Update callers.
15206 Handle OPT_Werror_.
15207 * common.opt (Werror=): New.
15208 * doc/invoke.texi: Document -Werror=*
15210 2006-01-18 Jeff Law <law@redhat.com>
15212 * tree-vrp.c (test_for_singularity): Correct test for new
15213 min limit. Use operand_equal_p rather than pointer equality
15214 for testing if new min/max values are equal.
15216 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15217 using range information until after propagation and folding.
15219 2006-01-18 Richard Henderson <rth@redhat.com>
15220 Aldy Hernandez <aldyh@redhat.com>
15221 Jakub Jelinek <jakub@redhat.com>
15222 Diego Novillo <dnovillo@redhat.com>
15224 * omp-low.c: New file.
15225 * c-omp.c: New file.
15227 2006-01-18 Richard Henderson <rth@redhat.com>
15228 Jakub Jelinek <jakub@redhat.com>
15229 Diego Novillo <dnovillo@redhat.com>
15231 * doc/invoke.texi: Document -fopenmp.
15232 * tree-dump.h (debug_function): Declare.
15233 * hooks.c (hook_bool_tree_bool_false): New function.
15234 (hook_tree_tree_null): Remove.
15235 (hook_tree_tree_tree_null): New.
15236 * hooks.h: Update to match.
15237 * tree-pretty-print.c (debug_tree_chain): New.
15238 (print_generic_expr): Handle TDF_CHAIN.
15239 (dump_generic_node): Handle BLOCK.
15240 Do not abort with incomplete SWITCH_EXPRs.
15241 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15242 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15243 print space after directive name.
15244 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15245 Handle OMP_MASTER and OMP_ORDERED.
15246 Handle printing of OMP_BODY just in one place, goto
15247 dump_omp_body in the rest of OMP_* nodes that have
15249 Don't handle clause nodes here. Update omp statements to
15250 use dump_omp_clauses.
15251 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15252 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15253 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15254 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15255 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15256 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15257 Adjust output for GOMP_PARALLEL.
15258 (dump_omp_clauses): New.
15259 (print_declaration): Dump DECL_VALUE_EXPR.
15260 (op_symbol_1): Split out of op_symbol.
15261 (dumping_stmts): Remove. Update all users.
15262 * cgraph.c (cgraph_analyze_queue): New.
15263 (cgraph_add_new_function): New.
15264 * cgraph.h (cgraph_analyze_queue): Declare.
15265 (cgraph_add_new_function): Declare.
15266 (cgraph_lower_function): Remove.
15267 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15268 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15269 and TYPE_P nodes in its default clause.
15270 (empty_body_p): New.
15271 (tree_range_check_failed): New.
15272 (build5_stat): New.
15273 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15274 OMP_CLAUSE_REDUCTION_MERGE,
15275 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15276 OMP_CLAUSE_PRIVATE_DEBUG,
15277 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15278 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15279 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15280 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15281 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15282 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15283 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15284 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15285 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15286 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15287 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15288 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15289 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15290 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15291 (TREE_RANGE_CHECK): New.
15292 (empty_body_p): Declare.
15293 (enum omp_clause_default_kind): New.
15294 (build_string_literal): Declare.
15295 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15296 (build5_stat, build5): Declare.
15297 * tree-pass.h (TDF_CHAIN): Define.
15298 * tree-pass.h (PROP_gimple_lomp): Define.
15299 (pass_lower_omp): Declare.
15300 * diagnostic.h (debug_tree_chain): Declare.
15301 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15303 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15304 * builtins.c (build_string_literal): Make extern.
15305 * gcc.c (include_spec_function): New.
15306 (static_spec_functions): Add it.
15307 (main): Move load of libgomp.spec ...
15308 (LINK_COMMAND_SPEC): ... here.
15309 (link_gomp_spec): New.
15310 (static_specs): Include it.
15311 (LINK_COMMAND_SPEC): Add link_gomp.
15312 (GOMP_SELF_SPECS): New.
15313 (driver_self_specs): Include it.
15314 (switch_matches): Don't mark inline.
15315 (main): Load libgomp.spec.
15316 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15317 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15318 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15319 * tree-gimple.h (enum omp_parallel): Declare.
15320 (determine_parallel_type): Declare.
15321 (omp_firstprivatize_variable): Declare.
15322 (omp_reduction_init): Declare.
15323 (diagnose_omp_structured_block_errors): Declare.
15324 (struct walk_stmt_info): Add want_return_expr.
15325 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15326 (find_omp_clause): Declare.
15327 (insert_field_into_struct): Declare.
15328 (struct walk_stmt_info): Move from tree-nested.c
15329 (walk_stmts): Declare.
15330 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15332 * cgraphunit.c (cgraph_lower_function): Make static.
15333 (cgraph_finalize_pending_functions): New.
15334 (cgraph_finalize_function): Call it.
15335 (cgraph_finalize_compilation_unit): Likewise.
15336 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15337 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15338 (BT_FN_UINT_UINT): New.
15339 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15340 DEF_FUNCTION_TYPE_VAR_4): Document.
15341 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15342 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15343 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15344 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15345 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15346 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15347 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15348 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15349 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15350 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15351 into separate files.
15352 (DEF_GOMP_BUILTIN): New.
15353 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15354 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15355 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15356 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15357 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15358 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15359 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15360 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15361 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15362 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15363 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15364 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15365 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15366 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15367 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15368 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15369 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15370 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15371 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15372 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15373 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15374 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15375 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15376 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15377 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15378 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15379 * sync-builtins.def: New file, moved from builtins.def.
15380 * omp-builtins.def: New file, moved from builtins.def.
15381 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15382 * gimple-low.c (lower_function_body): Clear data.
15383 (lower_stmt): Do not handle COMPOUND_EXPR.
15384 Remove call to print_node_brief.
15385 * c-tree.h (c_finish_omp_clauses): New prototype.
15386 (C_DECL_THREADPRIVATE_P): Define.
15387 (lookup_name_no_remap, c_omp_remap_private): Remove
15388 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15389 (check_for_loop_decls): Update decl.
15390 (lookup_name_no_remap, c_omp_remap_private): Declare.
15391 (build_indirect_ref, build_modify_expr, pushdecl,
15392 pushdecl_top_level): Move to c-common.h.
15393 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15394 before the switch, but just in the 2 places that need it.
15395 * c-decl.c (diagnose_mismatched_decls): Do not check for
15396 mismatched thread-local attributes when OLDDECL is marked
15397 threadprivate and NEWDECL has no thread-local attributes.
15398 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15399 (c_gimple_diagnostics_recursively): Rename from
15400 c_warn_unused_result_recursively. Invoke
15401 diagnose_omp_structured_block_errors.
15402 (check_for_loop_decls): Return a singular decl found.
15403 * langhooks.c (lhd_omp_predetermined_sharing): Return
15404 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15405 (lhd_omp_firstprivatize_type_sizes): New.
15406 (lhd_omp_assignment): New.
15407 (lhd_omp_predetermined_sharing): New.
15408 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15409 (struct lang_hooks_for_types): Add
15410 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15411 omp_predetermined_sharing, omp_disregard_value_expr,
15412 omp_private_debug_clause, omp_clause_default_ctor,
15413 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15414 (c_finish_omp_clauses): New.
15415 (c_finish_bc_stmt): Diagnose break within omp for.
15416 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15417 (build_unary_op): Return error_mark after reporting
15419 (build_modify_expr): Likewise.
15420 * gimplify.c: Include optabs.h and pointer-set.h.
15421 (enum gimplify_omp_var_data): Declare.
15422 (struct gimplify_omp_ctx): Declare.
15423 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15425 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15426 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15427 (splay_tree_compare_decl_uid): New.
15428 (new_omp_context): New.
15429 (delete_omp_context): New.
15430 (gimple_add_tmp_var): Call omp_add_variable.
15431 (gimplify_bind_expr): Likewise.
15432 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15433 true, disregard DECL_VALUE_EXPR on the decl if any.
15434 (gimplify_expr_in_ctx): New.
15435 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15436 omp_add_variable, omp_notice_variable, omp_is_private
15437 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15438 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15439 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15440 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15441 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15442 gimplify_omp_atomic): New.
15443 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15444 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15445 OMP_CRITICAL and OMP_ATOMIC.
15446 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15447 * c-pragma.h (enum pragma_kind): Add
15448 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15449 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15450 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15451 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15452 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15453 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15454 PRAGMA_OMP_THREADPRIVATE.
15455 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15456 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15457 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15458 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15459 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15460 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15461 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15462 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15463 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15464 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15465 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15466 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15467 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15469 (struct nesting_info): Add field_map,
15470 suppress_expansion, debug_var_chain.
15471 (create_nesting_tree): Initialize them.
15472 (lookup_field_for_decl): Use field_map.
15473 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15474 (convert_local_omp_clauses): New.
15475 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15476 (walk_body): Split out of walk_function.
15477 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15478 (convert_nonlocal_reference): Handle omp statements.
15479 (convert_local_reference): Likewise.
15480 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15481 (unnest_nesting_tree): New.
15482 (lower_nested_functions): Call it.
15483 (insert_field_into_struct): Make extern.
15484 (struct walk_stmt_info): Move to tree-gimple.h.
15485 (walk_stmts): Make extern.
15486 * omp-builtins.def: New file.
15487 * tree-iterator.c (expr_only): Clarify comment.
15488 * c-common.h (pushdecl_top_level, pushdecl,
15489 build_modify_expr, build_indirect_ref,
15490 c_finish_omp_master, c_finish_omp_critical,
15491 c_finish_omp_ordered, c_finish_omp_barrier,
15492 c_finish_omp_atomic, c_finish_omp_flush,
15493 c_finish_omp_for, c_split_parallel_clauses,
15494 omp_clause_default_kind, c_omp_sharing_predetermined,
15495 c_omp_remap_decl): Declare.
15496 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15497 (OBJS-common): Add omp-low.o.
15498 (c-omp.o, omp-low.o): Add.
15499 (gimplify.o): Add dependency on $(OPTABS_H).
15500 (GTFILES): Add omp-low.c.
15501 (gt-stringpool.h): Add.
15502 * tree-cfg.c (set_bb_for_stmt): Do not update the
15503 block-to-labels map if we are currently expanding to RTL.
15504 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15506 Handle IDENTIFIER_NODE.
15507 (tree_verify_flow_info): Do not ICE when emitting error
15508 messages about invalid labels.
15509 (dump_function_to_file): Reset CFUN before emitting the body
15511 (debug_function): New.
15512 * passes.c (init_optimization_passes): Schedule
15514 * langhooks-def.h (lhd_omp_predetermined_sharing,
15515 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15517 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15518 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15519 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15520 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15521 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15522 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15523 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15524 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15525 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15526 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15527 (LANG_HOOK_DECLS): Use them.
15529 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15530 Richard Henderson <rth@redhat.com>
15531 Jakub Jelinek <jakub@redhat.com>
15532 Diego Novillo <dnovillo@redhat.com>
15534 * c-parser.c (pragma_omp_clause): Define.
15535 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15536 (c_parser_compound_statement): Likewise.
15537 (c_parser_statement): Likewise.
15538 (c_parser_pragma): Handle omp pragmas.
15539 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15540 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15541 (c_parser_omp_clause_name, check_no_duplicate_clause,
15542 c_parser_omp_variable_list,
15543 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15544 c_parser_omp_clause_copyprivate,
15545 c_parser_omp_clause_default,
15546 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15547 c_parser_omp_clause_lastprivate,
15548 c_parser_omp_clause_nowait,
15549 c_parser_omp_clause_num_threads,
15550 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15551 c_parser_omp_clause_reduction,
15552 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15553 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15554 c_parser_omp_atomic, c_parser_omp_barrier,
15555 c_parser_omp_critical, c_parser_omp_flush,
15556 c_parser_omp_for_loop, c_parser_omp_for,
15557 c_parser_omp_master, c_parser_omp_ordered,
15558 c_parser_omp_sections_scope, c_parser_omp_sections,
15559 c_parser_omp_parallel, c_parser_omp_single,
15560 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15561 * c-pragma.c (init_pragma): Do omp pragma registration here.
15562 * c.opt (fopenmp): New flag.
15564 2006-01-18 Eric Christopher <echristo@apple.com>
15566 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15567 * config/darwin.h (GOMP_SELF_SPECS): Define.
15569 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15571 * rtl.h: Remove the prototype for reg_alloc.
15573 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15576 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15577 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15578 sjlj and dwarf2 exception handling.
15579 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15580 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15581 * pa/pa.c (function_value): Treat complex and vector types as
15583 (function_arg): Likewise. Only pass scalar floats in the floating
15584 point argument registers.
15585 * pa/t-slibgcc-dwarf-ver: New file.
15586 * pa/t-slibgcc-sjlj-ver: New file.
15587 * pa/t-slibgcc-elf-ver: Delete file.
15589 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15591 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15592 unlikely_test_section_p test.
15594 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15596 * mode-switching.c (optimize_mode_switching): Make it static.
15597 * basic-block.h: Remove the prototype for
15598 optimize_mode_switching.
15600 * modulo-sched.c (sms_schedule): Make it static.
15601 * rtl.h: Remove the prototype for sms_schedule.
15603 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15604 * rtl.h: Remove the prototype for gcse_after_reload_main.
15606 * reg-stack.c (reg_to_stack): Make it static.
15607 * rtl.h: Remove the prototype for reg_to_stack.
15609 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15611 * rtl.h: Remove the prototypes for regrename_optimize and
15612 copyprop_hardreg_forward.
15614 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15616 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15617 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15618 Test against the appropriate null constant for the mode.
15619 If 'fixup_overlap' is true, swap the operands if they overlap.
15620 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15621 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15622 alpha_split_tmode_pair and adjust for above change.
15623 * config/alpha/alpha.md (movtf_internal): Adjust call to
15624 alpha_split_tfmode_pair and rely on it to swap the operands.
15625 (movti_internal): New insn and post-reload splitter.
15626 (movti): New expander.
15628 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15630 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15633 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15635 * rtlanal.c (global_reg_mentioned_p_1,
15636 global_reg_mentioned_p): Remove.
15637 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15639 * flow.c (initialize_uninitialized_subregs): Make it static.
15640 * rtl.h: Remove the prototype for
15641 initialize_uninitialized_subregs.
15643 * function.c (instantiate_virtual_regs): Make it static.
15644 * function.h: Remove the prototype for
15645 instantiate_virtual_regs.
15647 * regmove.c (regmove_optimize, combine_stack_adjustments):
15649 * rtl.h: Remove the prototypes for regmove_optimize and
15650 combine_stack_adjustments.
15652 2006-01-17 Roger Sayle <roger@eyesopen.com>
15654 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15655 (size_cost): Encode costs in bytes so that a reg-reg addition is
15656 equivalent to COSTS_N_INSNS(1).
15657 (override_options): Use the size_cost.branch_cost as the default
15658 ix86_branch_cost when optimizing for size.
15660 2006-01-18 Ben Elliston <bje@au.ibm.com>
15662 * Makefile.in (D32PBIT_FUNCS): New.
15663 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15664 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15665 D64PBIT_FUNCS and D128PBIT_FUNCS.
15666 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15667 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15669 (decnumber_dep): Define.
15670 * doc/libgcc.texi (Decimal float library routines): New node.
15671 * config/dfp-bit.h, config/dfp-bit.c: New files.
15673 2006-01-18 Ben Elliston <bje@au.ibm.com>
15675 * expr.c (emit_move_change_mode): Always adjust addresses, not
15676 just during reload. Copy replacements only during reload.
15677 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15678 emit_move_via_integer.
15680 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15682 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15683 instead of $(srcdir) and ${srcdir}.
15685 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15688 PR middle-end/11135
15689 * arm.h (struct machine_function): Add pic_reg.
15690 * arm.c (arm_pic_register): Make unsigned.
15691 (arm_override_options): Only set arm_pic_register if
15692 TARGET_SINGLE_PIC_BASE.
15693 (use_return_insn): Only test for a pic register if it is fixed.
15694 (arm_compute_save_reg0_reg12_mask): Likewise.
15695 (thumb_compute_save_reg_mask): Likewise.
15696 (legitimate_pic_operand): Factor out some known invariants.
15697 (legitimize_pic_address): If we don't have a fixed pic register,
15698 then set up a pseudo in the function entry sequence. Handle the
15699 pic base being in a pseudo.
15700 (arm_load_pic_register): Handle the pic register being in a pseudo.
15701 (arm_expand_prologue): Only set up the pic register if it is fixed.
15702 (thumb_expand_prologue): Likewise.
15703 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15704 (pic_load_addr_based_insn): Likewise.
15705 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15708 2006-01-18 Ben Elliston <bje@au.ibm.com>
15710 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15711 decimal float modes for all floating point registers.
15713 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15714 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15716 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15719 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15720 even when the pointer is not NULL.
15722 2006-01-16 Ian Lance Taylor <ian@airs.com>
15724 * common.opt (ftoplevel-reorder): New option.
15725 * cgraph.c (cgraph_asm_nodes): New global variable.
15726 (cgraph_asm_last_node): New static variable.
15727 (cgraph_order): New global variable.
15728 (cgraph_create_node): Set new order field.
15729 (cgraph_varpool_node): Likewise.
15730 (decide_is_variable_needed): Return true if not
15731 flag_toplevel_reorder.
15732 (cgraph_add_asm_node): New function.
15733 * cgraph.h (struct cgraph_node): Add order field.
15734 (struct cgraph_varpool_node): Add order field.
15735 (struct cgraph_asm_node): Define.
15736 (cgraph_asm_nodes, cgraph_order): Declare.
15737 (cgraph_add_asm_node): Declare.
15738 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15740 (cgraph_varpool_assemble_pending_decls): Call it.
15741 (cgraph_output_pending_asms): New static function.
15742 (cgraph_finalize_compilation_unit): Call it.
15743 (struct cgraph_order_sort): Define.
15744 (cgraph_output_in_order): New static function.
15745 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15746 !flag_toplevel_reorder case.
15747 * c-parser.c: Include "cgraph.h".
15748 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15750 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15751 than -fno-unit-at-a-time.
15752 * doc/invoke.texi (Option Summary): Mention
15753 -fno-toplevel-reorder.
15754 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15755 -funit-at-a-time documentation.
15757 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15758 Kazu Hirata <kazu@codesourcery.com>
15760 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15762 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15764 * Makefile.in (FUNCTION_H): New. Use it instead of
15765 function.h throughout the file.
15766 * function.h: Include tree.h.
15768 2006-01-17 Ben Elliston <bje@au.ibm.com>
15770 * recog.c: Separate some functions with whitespace.
15772 2006-01-16 Richard Henderson <rth@redhat.com>
15774 Merge from gomp branch:
15775 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15776 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15777 and rename from struct inline_data. Rename callee* to dst*;
15778 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15779 transform_new_cfg, transform_return_to_modify, and
15780 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15782 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15783 (copy_decl_for_dup): Remove.
15784 * tree-inline.c (struct inline_data): Move to header.
15785 (insert_decl_map): Export.
15786 (remap_decl): Update for member name changes. Use copy_decl hook.
15787 Allow for replacement to be a non-decl. Remove dead code.
15788 (remap_type_1): Check for existing mapping.
15789 (remap_type): Export.
15790 (remap_decls): Update for member name changes.
15791 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15792 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15793 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15794 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15795 (tree_function_versioning, build_duplicate_type): Likewise.
15796 (copy_body_r): Likewise. Export.
15797 (copy_decl_for_dup): Split into ...
15798 (copy_decl_for_dup_finish, copy_decl_to_var,
15799 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15800 (replace_ref_tree, inlining_p): Remove.
15802 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15804 * ifcvt.c (if_convert): Make it static.
15805 * rtl.h: Remove the prototype for if_convert.
15807 * local-alloc.c (local_alloc): Make it static.
15808 * rtl.h: Remove the prototype for local_alloc.
15810 * loop.c (loop_optimize): Make it static.
15811 * cfgloop.h: Remove the prototype for loop_optimize.
15814 2006-01-16 DJ Delorie <dj@redhat.com>
15816 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15819 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15821 * pa.md: Disparage copies between general and floating-point registers
15822 in 32-bit move patterns.
15824 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15827 * Makefile.in (check-%): Depend on site.exp instead of
15828 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15831 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15833 * global.c (global_alloc): Make it static.
15834 * rtl.h: Remove the prototype for global_alloc.
15836 2006-01-16 Richard Guenther <rguenther@suse.de>
15838 * tree-ssa-alias.c (struct used_part): Add write_only field.
15839 (get_or_create_used_part_for): Initialize it to true.
15840 (create_overlap_variables_for): Don't create structure variables
15841 for structures that only are written to.
15842 (find_used_portions): Handle MODIFY_EXPR to track whether a
15843 structure is only written to.
15845 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15847 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15849 * basic-block.h: Remove the prototype for
15850 partition_hot_cold_basic_blocks.
15852 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15854 * cppspec.c (lang_specific_spec_functions): Remove.
15855 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15856 * gcc.h (lang_specific_spec_functions): Remove.
15857 * gccspec.c (lang_specific_spec_functions): Remove.
15859 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15861 * combine.c (record_value_for_reg): Invalidate registers
15863 (record_dead_and_set_regs_1): Likewise, by passing them to
15864 record_value_for_reg.
15865 (record_dead_and_set_regs): Invalidate stores made by a
15866 call. We do not combine across a call, but we still
15867 relied on equivalences.
15869 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15871 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15872 vrp_int_const_binop returning non-constant nodes.
15874 2006-01-16 Paul Brook <paul@codesourcery.com>
15876 * config/m68k/m68k.c (output_move_const_into_data_reg):
15877 Output correct mnemonic for mvz and mvs.
15879 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15881 * rtl-factoring.c: Add sequence abstraction algorithm.
15882 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15883 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15885 (block_has_preserve_label): New function.
15886 * common.opt: Register new pass.
15887 * Makefile.in: Ditto.
15889 * timevar.def: Ditto.
15890 * tree-pass.h: Ditto.
15891 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15892 * rtl.h (make_jump_insn_raw): Add forward decl.
15893 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15895 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15896 Roger Sayle <roger@eyesopen.com>
15898 * fold-const.c (fold_minmax): New static function.
15899 (fold_binary) <MIN_EXPR>: Call it.
15900 <MAX_EXPR>: Likewise.
15901 * stor-layout.c (place_field): Use DECL_SIZE consistently
15902 in the computation of the new record size.
15904 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15906 * cse.c (cse_condition_code_reg): Make it static.
15907 * rtl.h: Remove the prototype for cse_condition_code_reg.
15909 * combine.c (combine_instructions): Make it static.
15910 * rtl.h: Remove the prototype for combine_instructions.
15912 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15915 * tree.c (get_file_function_name_long): Concatenate the first global
15916 object name with a string derived from the input filename of the object
15919 2006-01-16 Ben Elliston <bje@au.ibm.com>
15921 * config/i386/winnt-stubs.c: Update FSF address.
15922 * config/xtensa/ieee754-df.S: Ditto.
15923 * config/xtensa/ieee754-sf.S: Ditto.
15925 2006-01-14 Ian Lance Taylor <ian@airs.com>
15927 * ifcvt.c (noce_init_if_info): New static function, broken out of
15928 noce_process_if_block.
15929 (noce_process_if_block): Call noce_init_if_info.
15930 (check_cond_move_block): New static function.
15931 (cond_move_process_if_block): New static function.
15932 (process_if_block): Call cond_move_process_if_block.
15934 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15936 * cselib.c (hash_table): Rename to cselib_hash_table.
15937 (cselib_clear_table, discard_useless_values,
15938 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15939 cselib_init, cselib_finish): Adjust uses of hash_table.
15941 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15943 PR tree-optimization/25485
15944 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15945 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15946 is known to be false and true, respectively.
15948 2006-01-14 Richard Guenther <rguenther@suse.de>
15950 PR tree-optimization/22548
15951 PR tree-optimization/22555
15952 PR tree-optimization/22501
15953 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15954 * params.def (salias-max-array-elements): New parameter.
15955 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15956 * doc/invoke.texi (salias-max-array-elements): Document.
15957 * tree-flow-inline.h (var_can_have_subvars): We also handle
15959 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15961 * tree-ssa-structalias.c (params.h): Include.
15962 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15963 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15964 (get_constraint_for): For ADDR_EXPR operating on something
15965 containing an ARRAY_REF, add all subvars to the solution.
15966 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15967 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15968 for creating MUST_DEFs.
15969 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15971 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15973 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15975 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15976 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15977 number_of_iterations_le): New functions.
15978 (number_of_iterations_special): Removed.
15979 (number_of_iterations_exit): Do not use number_of_iterations_special.
15980 * tree.c (unsigned_type_for): Always return integer type.
15982 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15983 Richard Guenther <rguenther@suse.de>
15985 PR rtl-optimization/24257
15986 * gcse.c (find_moveable_store): Only consider a store movable
15987 when the SET_SRC of the insn can be assigned to a register.
15989 2006-01-14 Ian Lance Taylor <ian@airs.com>
15991 * tree.c (tree_not_class_check_failed): New function.
15992 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15993 (tree_not_class_check_failed): Declare.
15995 2006-01-13 Ian Lance Taylor <ian@airs.com>
15997 * reload1.c (do_output_reload): Add assertion rejecting a
16000 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16002 * combine.c (struct reg_stat): Add new fields truncation_label and
16004 (record_value_for_reg): Reset truncated_to_mode.
16005 (record_truncated_value): New function.
16006 (check_promoted_subreg): Call it. Rename to check_conversions.
16007 (combine_instructions): Rename check_promoted_subreg to
16009 (reg_truncated_to_mode): New function.
16010 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16011 (gen_lowpart_or_truncate): New function.
16012 (force_to_mode): Use it instead of gen_lowpart.
16014 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16016 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16017 VAR is a tag, not its type tag.
16019 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16021 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16022 alternatives to match style of other entries.
16023 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16025 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16027 PR tree-optimization/25771
16028 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16031 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16034 * tree-inline.c (declare_return_variable): If the return variable
16035 was marked as a non gimple complex, set the return slot variable
16036 to be a non gimple comple variable.
16038 2006-01-13 Richard Guenther <rguenther@suse.de>
16040 * builtins.c (expand_builtin_sincos): New function.
16041 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16043 (expand_builtin): Expand sincos using expand_builtin_sincos.
16045 2006-01-12 DJ Delorie <dj@redhat.com>
16047 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16048 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16049 so that constant shifts can be split.
16050 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16051 (m32c_valid_pointer_mode): Make static.
16052 (shift_gen_func_for): New.
16053 (m32c_prepare_shift): Use it. Split large const shifts into
16055 * config/m32c/predicates.md (shiftcount_operand): Allow more
16057 (longshiftcount_operand): New.
16058 * doc/md.texi (Machine Constraints): Document In6.
16060 2006-01-13 Ben Elliston <bje@au.ibm.com>
16062 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16063 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16066 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16068 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16069 to try to avoid clobbering pieces of structures when we know
16070 something about the whole structure.
16071 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16073 2006-01-13 Ben Elliston <bje@au.ibm.com>
16075 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16076 return in memory, as this is no limitation is no longer present.
16078 2006-01-12 DJ Delorie <dj@redhat.com>
16080 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16081 mova with fb, and for fb+0 -> An.
16083 * config/m32c/mov.md (peephole2): Fix enabling logic.
16085 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16086 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16087 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16088 FINI_ARRAY_SECTION_ASM_OP): Define.
16090 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16092 (m32c_legitimize_reload_address): New logic to reload FB to An.
16093 (m32c_output_reg_push): Add newline.
16094 (m32c_output_reg_pop): Likewise.
16096 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16098 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16100 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16102 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16104 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16106 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16109 2006-01-11 Ben Elliston <bje@au.ibm.com>
16111 * rtlanal.c (find_reg_note): Assert insn is not null.
16113 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16115 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16118 2006-01-11 Jeff Law <law@redhat.com>
16120 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16122 (mark_threaded_blocks, register_jump_thread): New functions.
16123 (thread_through_all_blocks): Remove unwanted argument. No
16124 longer rely on e->aux to communicate thread target info.
16125 Call mark_threaded_blocks. Release the threaded_blocks
16126 bitmap and threaded_edges vector when complete.
16127 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16128 (threaded_blocks): Remove.
16129 (tree_ssa_dominator_optimize): Remove initialization and
16130 finalization of threaded_blocks. Simplify call to
16131 thread_through_all_blocks.
16132 (thread_across_edge): Call register_jump_thread rather than
16133 storing thread information into e->aux.
16134 (free_all_edge_infos): Simplify now that e->aux is no longer
16135 used to communicate with thread_through_all_blocks.
16136 * tree-flow.h (thread_through_all_blocks): Update prototype.
16137 (register_jump_thread): Prototype.
16139 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16141 * df-core.c (df_compact_blocks, df_bb_replace): Use
16142 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16144 2006-01-11 Richard Guenther <rguenther@suse.de>
16146 PR tree-optimization/25734
16147 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16148 stop propagation after successful propagation to the LHS.
16150 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16152 * basic-block.h (control_flow_graph): Change the type of
16153 x_basic_block_info to VEC(basic_block,gc) *.
16154 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16156 (SET_BASIC_BLOCK): New.
16157 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16158 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16159 * cfgbuild.c (find_basic_blocks): Likewise.
16160 * cfglayout.c (fixup_reorder_chain): Likewise.
16161 * cfgrtl.c (create_basic_block_structure,
16162 rtl_create_basic_block): Likewise.
16163 * ifcvt.c (find_if_case_1): Likewise.
16164 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16167 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16169 * Makefile.in: Removed rotted odf.c entry.
16171 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16174 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16175 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16176 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16177 output pattern modifier, not %e.
16178 * config/cris/cris.c (cris_op_str): Update comment about pattern
16180 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16181 before falling through into...
16182 <case 'E'>: Redefined from old 'e' case.
16184 2006-01-11 Jan Hubicka <jh@suse.cz>
16187 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16189 2006-01-11 Jan Hubicka <jh@suse.cz>
16191 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16192 * i386.c (x86_decompose_lea): Kill.
16193 (ix86_rtx_costs): Kill.
16195 2006-01-11 Jan Hubicka <jh@suse.cz>
16197 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16198 * cgraph.h (cgraph_node): Add inline_decl.
16199 (cgraph_insert_node_to_hashtable): Declare.
16200 (save_inline_function_body): Declare.
16201 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16203 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16204 (cgraph_function_versioning): Update call of tree_function_versioning.
16205 (save_inline_function_body): New function.
16206 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16207 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16208 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16209 (cgraph_default_inline_p): Likewise.
16210 (cgraph_decide_inlining_incrementally): Likewise.
16211 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16212 (copy_bb): Kill saving; do updating of clones.
16213 (copy_cfg_body): Kill saving.
16214 (initialize_inlined-parameters): Likewise.
16215 (expand_call_inline): Likewise.
16217 (tree_function_versioning): New parameter "update_clones".
16218 (inlining_p): Kill saving.
16219 * tree-inline.h (tree_function_versioning): Update prototype.
16220 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16223 2006-01-11 Ian Lance Taylor <ian@airs.com>
16225 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16226 Allow undoing set of machine mode.
16227 (do_SUBST): Use enums instead of is_int.
16228 (do_SUBST_MODE): New function.
16229 (SUBST_MODE): New macro.
16230 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16231 reg and trying to replace reg_regno_rtx with a new register.
16232 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16233 (simplify_set): Use SUBST_MODE.
16234 (distribute_notes): Remove code that tried to update reg notes
16235 for regno_reg_rtx changes.
16237 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16239 PR tree-optimization/23109
16240 PR tree-optimization/23948
16241 PR tree-optimization/24123
16243 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16244 * tree-cfg.c (single_noncomplex_succ): New.
16245 * tree-flow.h (single_noncomplex_succ): Declare it.
16246 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16247 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16248 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16249 insert_bb, register_division_in, insert_reciprocals,
16250 replace_reciprocal, free_bb): New.
16251 (execute_cse_reciprocals_1): Rewritten.
16252 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16253 Do not commit any edge insertion. Always compute dominators and
16254 create the allocation pool.
16255 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16256 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16257 * targhooks.c (default_min_divistions_for_recip_mul): New.
16258 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16259 * passes.c (init_optimization_passes): Run recip after tree loop
16261 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16263 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16264 Kenneth Zadeck <zadeck@naturalbridge.com>
16266 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16267 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16268 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16269 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16270 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16271 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16272 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16273 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16274 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16275 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16276 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16277 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16278 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16279 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16280 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16281 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16282 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16283 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16284 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16285 DF_SCAN_POST_ALLOC): New macros.
16286 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16287 df_free_bb_function, df_local_compute_function, df_init_function,
16288 df_dataflow_function, df_confluence_function_0,
16289 df_confluence_function_n, df_transfer_function,
16290 df_finalizer_function, df_free_function, df_dump_problem_function,
16291 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16292 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16293 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16294 df_urec_bb_info, ) New types.
16295 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16297 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16298 df_analyze_simple_change_some_blocks,
16299 df_analyze_simple_change_one_block, df_compact_blocks,
16300 df_bb_replace, df_bb_regno_last_use_find,
16301 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16302 df_insn_regno_def_p, df_find_def, df_find_use,
16303 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16304 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16305 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16306 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16307 debug_df_chain, df_get_dependent_problem, df_chain_create,
16308 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16309 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16310 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16311 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16312 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16313 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16314 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16315 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16316 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16317 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16318 df_reorganize_refs, df_set_state, df_hard_reg_init,
16319 df_read_modify_subreg_p) New public functions.
16320 * df-core.c: The core dataflow solver and glue routines for rtl
16322 (df_init, df_add_problem, df_set_blocks, df_finish,
16323 df_hybrid_search_forward, df_hybrid_search_backward,
16324 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16325 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16326 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16327 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16328 df_reg_defined, df_find_use, df_reg_used, df_dump,
16329 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16330 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16331 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16332 debug_df_useno, reset_df_after_reload): New functions.
16333 * df-scan.c: The scanning fuctions, once in df.c, completely
16334 rewritten so that they now fully model the functionality of
16335 register usage at the backend.
16336 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16337 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16338 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16339 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16340 df_get_artificial_defs, df_get_artificial_uses,
16341 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16342 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16343 df_refs_delete, df_reorganize_refs, df_set_state,
16344 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16345 df_def_record_1, df_defs_record, df_uses_record,
16346 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16347 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16348 df_record_exit_block_uses, df_hard_reg_init): New functions.
16350 * df-problems.c: Seven concrete dataflow problems that use the
16351 scanning in df-scan.c and are solved by the engine in df-core.c.
16352 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16353 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16354 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16355 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16356 df_ru_free_bb_info, df_ru_alloc,
16357 df_ru_bb_local_compute_process_def,
16358 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16359 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16360 df_ru_transfer_function, df_ru_free, df_ru_dump,
16361 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16362 df_rd_free_bb_info, df_rd_alloc,
16363 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16364 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16365 df_rd_transfer_function, df_rd_free, df_rd_dump,
16366 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16367 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16368 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16369 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16370 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16371 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16372 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16373 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16374 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16375 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16376 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16377 df_urec_mark_reg_use_for_earlyclobber,
16378 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16379 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16380 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16381 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16382 df_chain_create_bb_process_use, df_chain_create_bb,
16383 df_chain_finalize, df_chain_free, df_chains_dump,
16384 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16385 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16386 df_reg_lifetime): New functions.
16387 * df.c: Deleted file.
16388 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16389 consistent with new df api.
16390 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16391 rest_of_handle_sms): Ditto.
16392 * web.c (unionfind_union, union_defs, entry_register, web_main):
16394 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16395 invariant_expr_equal_p, find_defs, check_dependencies,
16396 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16397 free_inv_motion_data, move_loop_invariants): Ditto.
16398 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16399 Update dependencies.
16400 (odf.c): Added defective entry that was deleted later in day.
16401 * sched-deps.c (sched_analyze_1): Ditto.
16403 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16405 * tree-ssa-operands.c (get_expr_operands): Record addressable
16406 variables directly. Do not call add_stmt_operands for CONST_DECLs
16408 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16409 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16411 2006-01-11 Ben Elliston <bje@au.ibm.com>
16413 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16414 function returns true in the positive case.
16416 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16419 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16420 for SI, DI, SF and DF modes. Add alternatives to copy between
16421 general and floating point registers to the 32-bit patterns.
16422 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16423 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16424 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16425 generating 64-bit code.
16426 * config/pa/pa.c (output_move_double): Handle copies between general
16427 and floating registers.
16429 2006-01-10 Stuart Hastings <stuart@apple.com>
16431 * config/i386/i386.md (set_got): Update.
16432 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16433 (builtin_setjmp_receiver): Mach-O support.
16434 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16435 (GOT_SYMBOL_NAME): Define.
16436 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16437 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16438 * config/i386/i386.c (override_options): Revise for Darwin.
16439 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16440 support. (darwin_x86_file_end): New. (output_set_got): Add label
16441 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16442 * config/i386/i386-protos.h (output_set_got): Likewise.
16443 * config/darwin.c (machopic_legitimize_pic_address): Update
16446 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16448 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16449 when MODE isn't BLKmode.
16451 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16453 PR rtl-optimization/25367
16454 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16456 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16459 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16460 for a negative bound.
16462 2006-01-10 Richard Guenther <rguenther@suse.de>
16464 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16465 Never override with anything constraint.
16467 2006-01-10 Jan Beulich <jbeulich@novell.com>
16469 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16470 256 bits when optimize_size.
16472 2006-01-10 Jan Beulich <jbeulich@novell.com>
16474 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16476 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16477 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16480 2006-01-10 Ben Elliston <bje@au.ibm.com>
16482 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16484 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16485 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16486 (USE_FP_FOR_ARG): Reject decimal float modes.
16487 (function_arg_advance): Likewise.
16488 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16489 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16490 point types in AltiVec vectors.
16491 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16492 (rs6000_libcall_value): Likewise.
16494 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16496 * config/xtensa/ieee754-df.S: New file.
16497 * config/xtensa/ieee754-sf.S: New file.
16498 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16499 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16500 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16502 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16504 * config/sh/predicates.md (binary_float_operator,
16505 binary_logical_operator, commutative_float_operator,
16506 equality_comparison_operator, greater_comparison_operator,
16507 less_comparison_operator, logical_operator,
16508 noncommutative_float_operator, shift_operator,
16509 symbol_ref_operand, unary_float_operator): Remove redundant
16512 2006-01-09 Jeff Law <law@redhat.com>
16514 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16515 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16516 now unused arguments. Callers updated.
16517 (eliminate_redundant_computations): Remove now unused arguments,
16519 (local_fold): Remove, no longer used.
16520 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16522 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16523 (simplify_cond): New function.
16524 (forward_propagate_into_cond): Call simplify_cond.
16526 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16528 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16529 (*vec_extractv2di_1_sse): New.
16531 2006-01-09 Ben Elliston <bje@au.ibm.com>
16533 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16535 2006-01-08 Richard Guenther <rguenther@suse.de>
16537 * tree-ssa-structalias.c (get_constraint_for): Remove
16538 anyoffset argument.
16539 (get_constraint_for_component_ref): Likewise.
16540 (do_deref): Likewise.
16541 (get_constraint_for): Likewise.
16542 (do_structure_copy): Likewise.
16543 (handle_ptr_arith): Likewise.
16544 (find_func_aliases): Likewise. Remove unused need_anyoffset
16547 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16548 Kaz Kojima <kkojima@gcc.gnu.org>
16550 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16551 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16552 (EXTRA_CONSTRAINT_C16): Remove.
16553 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16554 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16555 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16556 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16557 constants of SHmedia. Handle nested constant expressions of
16559 (andcosts): Fix the costs for SHmedia constants.
16560 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16561 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16562 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16563 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16564 (movv4hi_i, movv2si_i): Likewise.
16565 (movsi_const): Adjust the second operand of ior so to match with
16566 the Csu constraint.
16567 (movdi_const, movdi_const_32bit): Likewise.
16568 (movdi_const_16bit+1): Don't sign-extend LOW.
16569 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16571 (*double_shori): Fix the split condition. Use GEN_INT instead
16572 of get_int_mode calls. Mask lower 16-bit of the argument of
16574 (sym2GOTPLT): Remove.
16575 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16577 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16578 instead of EXTRA_CONSTRAINT_C16.
16580 2006-01-07 Ian Lance Taylor <ian@airs.com>
16581 David Edelsohn <edelsohn@gnu.org>
16583 PR rtl-optimization/25662
16584 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16585 for constant operands instead of simplify_gen_binary.
16586 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16587 after trying simplify_binary_operation
16589 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16591 * tree.c (iterative_hash_expr): Hash decls based on UID.
16593 2006-01-06 Eric Christopher <echristo@apple.com>
16595 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16596 (TARGET_UNWIND_EMIT): Fix spelling.
16597 * target.h (gcc_target): Add except_table_label.
16598 * except.c (output_function_exception_table): Use.
16599 * varasm.c (default_emit_except_table_label): New.
16600 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16602 (asm_out): Add here.
16603 * output.h (default_emit_except_table_label): Prototype.
16604 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16605 * config/darwin.c (darwin_emit_except_table_label): Define.
16606 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16608 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16610 PR tree-optimization/18527
16611 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16612 number_of_iterations_special, number_of_iterations_exit):
16613 Move base and step of an iv to a single structure. Add
16614 no_overflow flag, and use it in # of iterations analysis.
16615 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16616 folded_casts argument.
16617 (simple_iv): Pass base and step in a structure. Set no_overflow
16619 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16620 Evaluate expensiveness of computing # of iterations instead of
16621 the final expression.
16622 * tree-scalar-evolution.h (affine_iv): New structure.
16623 (simple_iv): Declaration changed.
16624 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16625 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16626 find_givs_in_stmt): Changed due to simple_iv change.
16628 2006-01-06 Jeff Law <law@redhat.com>
16631 * tree-cfg.c (bsi_replace): Rename final argument from
16632 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16633 change (stmt -> orig_stmt).
16634 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16635 (bsi_remove): Add new argument. Remove EH information
16637 (verify_eh_throw_table_statements): New function.
16638 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16640 * tree-optimize.c (execute_free_cfg_annotations): Verify
16641 the EH throw statement table after removing annotations.
16642 * except.h (verify_eh_throw_table_statements): Prototype.
16643 * tree-flow.h (bsi_remove): Update prototype.
16644 * tree-vrp.c (remove_range_assertions): Add new argument to
16646 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16647 * tree-complex.c (expand_complex_div_wide): Likewise.
16648 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16649 * tree-tailcall.c (eliminate_tailcall): Likewise.
16650 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16651 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16652 * tree-nrv.c (tree_nrv): Likewise.
16653 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16654 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16655 (combine_blocks): Likewise.
16656 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16657 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16658 (cleanup_control_flow): Likewise.
16659 (remove_forwarder_block): Likewise.
16660 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16661 * tree-sra.c (sra_replace): Likewise.
16662 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16663 (forward_propagate_single_use_vars): Likewise.
16664 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16665 * tree-inline.c (expand_call_inline): Likewise.
16666 * tree-vect-transform.c (vect_transform_loop): Likewise.
16667 * tree-outof-ssa.c (rewrite_trees): Likewise.
16668 * tree-cfg.c (make_goto_expr_edges): Likewise.
16669 (cleanup_dead_labels): Likewise.
16670 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16671 (bsi_move_before, bsi_move_after): Likewise.
16672 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16673 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16675 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16678 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16680 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16681 on non gimple variables. Also add checks at the top for decls and
16683 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16685 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16686 and IMAGPART_EXPR for creating MUST_DEFs.
16687 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16688 and NAME_MEMORY_TAG separately from the DECLs.
16690 2006-01-06 Richard Guenther <rguenther@suse.de>
16692 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16693 annotation, if necessary.
16694 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16695 redundant calls to update_stmt.
16696 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16699 2006-01-05 Richard Henderson <rth@redhat.com>
16701 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16703 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16705 * c-typeck.c: Update copyright date.
16707 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16709 * c-typeck.c (build_c_cast): Always warn when casting
16710 from a pointer to an integer of different size, even if
16711 the node was constant.
16713 2006-01-05 Richard Guenther <rguenther@suse.de>
16715 PR tree-optimization/22555
16716 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16717 if one structure field is an array.
16718 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16719 operands even if we found a subvar, but ignore VOPs in this
16721 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16723 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16725 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16727 PR middle-end/24998
16728 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16730 2006-01-05 Richard Guenther <rguenther@suse.de>
16731 Diego Novillo <dnovillo@redhat.com>
16733 * tree-pass.h (TODO_remove_unused_locals): Define.
16734 * gimple-low.c (expand_var_p, remove_useless_vars,
16735 pass_remove_useless_vars): Remove. Update all users.
16736 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16737 (remove_unused_locals): New function.
16738 * tree-flow.h (remove_unused_locals): Declare.
16739 * passes.c (execute_todo): Call remove_unused_locals if
16740 TODO_remove_unused_locals is set.
16741 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16742 * tree-ssa-dce.c (pass_dce): Likewise.
16743 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16745 2006-01-05 Richard Guenther <rguenther@suse.de>
16747 * tree-flow.h (struct fieldoff): Decompose field to
16748 type, size and decl.
16749 * tree-ssa-alias.c (create_sft): Take type as parameter.
16750 (create_overlap_variables_for): Store type, size and decl
16751 in the fieldoff structure.
16752 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16753 of struct fieldoff.
16754 (push_fields_onto_fieldstack): Likewise.
16755 (create_variable_info_for): Likewise. Use offset for the
16756 SFT name if the decl is not available.
16758 2006-01-04 Paul Brook <paul@codesourcery.com>
16760 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16762 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16764 * lambda-code.c (can_put_in_inner_loop): Relax
16766 (can_put_after_inner_loop): New function.
16767 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16768 (perfect_nestify): Change to make copies and modify uses.
16770 2006-01-04 Richard Henderson <rth@redhat.com>
16772 Merge from gomp branch:
16773 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16774 via integer constant.
16775 (pragma_lex): Remove.
16776 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16777 rather than parsing it.
16778 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16779 handle_pragma_extern_prefix): Add %< %> quotes.
16780 (registered_pragmas): New.
16781 (c_register_pragma_1): New.
16782 (c_register_pragma): Use it.
16783 (c_register_pragma_with_expansion): Likewise.
16784 (c_invoke_pragma_handler): New.
16785 (init_pragma): Use cpp_register_deferred_pragma directly for
16787 * c-pragma.h (enum pragma_kind): New.
16788 (pragma_handler): New.
16789 (c_invoke_pragma_handler): Declare.
16790 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16792 * c-common.h (c_common_pch_pragma): Update decl.
16793 * Makefile.in (c-parser.o): Update dependencies.
16794 (GTFILES): Add c-pragma.h.
16795 * c-parser.c (struct c_token): Add pragma_kind.
16796 (struct c_parser): Add in_pragma.
16797 (c_lex_one_token): Always initialize keyword and pragma_kind.
16798 Extract data for CPP_PRAGMA.
16799 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16800 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16801 Don't allow CPP_PRAGMA_EOL if in_pragma.
16802 (c_parser_consume_pragma): New.
16803 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16804 (c_parser_skip_to_end_of_parameter): Likewise.
16805 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16806 (c_parser_skip_to_pragma_eol): New.
16807 (c_parser_external_declaration): Handle CPP_PRAGMA.
16808 (c_parser_compound_statement_nostart): Likewise.
16809 (c_parser_statement_after_labels): Likewise.
16810 (c_parser_pragma): New.
16811 (pragma_lex): Likewise.
16812 (c_parser_pragma_pch_preprocess): New.
16813 (c_parser_new): Merge into ...
16814 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16816 2006-01-04 Jeff Law <law@redhat.com>
16819 * tree-cfg.c (bsi_replace): Remove the original statement
16820 from the EH throw statement table.
16822 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16824 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16825 make the prototype extern "C" and add throw ().
16828 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16829 and pos non-negative and pos + len <= 32.
16830 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16831 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16832 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16835 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16836 as well as sizes not multiple of component size.
16839 * function.c (instantiate_expr): New function.
16840 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16841 walk its DECL_VALUE_EXPR with instantiate_expr.
16843 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16844 DW_OP_deref{,_size} if address isn't going to be added.
16846 2006-01-04 Ben Elliston <bje@au.ibm.com>
16848 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16849 * config/fp-bit.c: Likewise.
16851 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16853 * dominance.c: Add comment about why we use DFS numbering
16856 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16857 Richard Henderson <rth@redhat.com>
16859 Merge from gomp-branch:
16860 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16861 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16863 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16865 PR rtl-optimization/25578
16866 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16867 pass a parameter to simplify_shift_const if changing ASHIFTRT
16870 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16872 * builtins.c (get_builtin_sync_mem): New function.
16873 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16874 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16875 Call get_builtin_sync_mem to generate mem rtx.
16877 2006-01-03 Richard Guenther <rguenther@suse.de>
16880 * stmt.c (add_case_node): Make sure to clear overflow flags
16883 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16885 Merge from gomp-branch.
16886 * config/sparc/sync.md: New file.
16887 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16888 UNSPECV_LDSTUB): New constants.
16889 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16890 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16891 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16894 2006-01-03 Roger Sayle <roger@eyesopen.com>
16896 * combine.c (reg_subword_p): New predicate to test whether the
16897 destination of a set refers to a subword/piece of a register.
16898 (try_combine): Generalize the code to merge the setting of a
16899 pseudo to a constant followed by a set of a subword of that
16900 register to a constant.
16902 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16904 * basic-block.h (control_flow_graph): Change the type of
16905 x_label_to_block_map to VEC(basic_block,gc) *.
16906 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16907 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16909 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16910 VEC(basic_block,heap) *.
16911 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16912 ssa_prop_fini): Adjust the uses of cfg_blocks.
16914 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16916 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16918 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16919 hashing trees instead of a pointer hash.
16920 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16921 compare for MEM_EXPR.
16923 PR rtl-optimization/25130
16924 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16925 when comparing MEMs for GCSE
16927 2006-01-03 Ben Elliston <bje@au.ibm.com>
16929 * targhooks.h (default_decimal_float_supported_p): Declare.
16930 * targhooks.c (default_decimal_float_supported_p): Define.
16931 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16932 `default_decimal_float_supported_p'.
16933 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16935 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16937 * combine.c (apply_distributive_law <SUBREG>): Check
16938 TRULY_NOOP_TRUNCATION.
16940 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16942 * dwarf2out.c (have_switched_text_section): Delete.
16943 (have_multiple_function_sections): New.
16944 (have_location_lists): Make 'bool'.
16945 (add_AT_loc_list): Use 'true' not '1'.
16946 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16947 (output_loc_list): Use have_multiple_function_sections.
16948 (output_ranges): Likewise.
16949 (dwarf2out_begin_function): Set have_multiple_function_sections if
16951 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16952 Check function_section rather than DECL_SECTION_NAME.
16953 (dwarf2out_finish): Use have_multiple_function_sections.
16954 Don't clear have_location_lists.
16956 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16957 Jan Hubicka <jh@suse.cz>
16959 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16960 case of conditional jump jumping to the next instruction.
16961 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16962 cases of conditional jump jumping to the next instruction.
16964 2006-01-02 Jan Hubicka <jh@suse.cz>
16966 * i386.c (*_cost): Add COSTS_N_INSNS.
16967 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16969 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16972 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16974 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16976 * config/arm/arm.c (all_fpus): Fix comment typo.
16977 * config/darwin.c: Likewise.
16978 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16979 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16980 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16982 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16984 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16985 (rs6000_split_compare_and_swapqhi): New.
16986 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16987 (sync_compare_and_swapqhi_internal): New.
16988 * config/rs6000/rs6000-protos.h: Declare.