1 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3 * config/mips/mips.md (mul<mode>3): Split into...
4 (mulsi3, muldi3): ...these separate patterns.
6 2006-10-30 Richard Sandiford <richard@codesourcery.com>
8 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
9 but with each set of options separated by spaces.
11 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
13 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
14 dwarf_reg_size_table has been initialized.
16 2006-10-30 Roger Sayle <roger@eyesopen.com>
18 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
19 * ddg.c (print_ddg_edge): Likewise.
20 * dwarf2out.c (prune_unused_types_walk): Likewise.
21 * ifcvt.c (noce_try_cmove_arith): Likewise.
22 * langhooks.c (add_builtin_function): Likewise.
23 * reg-stack.c (subst_stack_regs_pat): Likewise.
24 * tree.c (expanded_location): Likewise.
25 * tree-dump.c (dequeue_and_dump): Likewise.
27 2006-10-30 David Daney <ddaney@avtrex.com>
29 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
31 2006-10-30 Jakub Jelinek <jakub@redhat.com>
33 PR tree-optimization/29637
34 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
35 of the innertype is the innertype itself.
37 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
39 * dwarf2out.c (file_name_acquire): Correct typo.
41 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
43 * tree.h (tree_value_handle): Remove struct value_set declaration.
44 Change value_set to bitmap_set.
45 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
46 * tree-vn.c (get_value_handle): Made inline and moved to
48 * tree-flow-inline.h: (has_stmt_ann): New function.
49 * tree-ssa-pre.c (expressions): New variable.
50 (next_expression_id): Ditto.
51 (alloc_expression_id): New function.
52 (struct value_set): Remove.
53 (get_expression_id): New function.
54 (get_or_alloc_expression_id): Ditto.
55 (expression_for_id): Ditto.
56 (clear_expression_ids): Ditto.
57 (FOR_EACH_EXPR_ID_IN_SET): New macro.
58 (bb_value_sets): Renamed to bb_bitmap_sets.
59 All value sets replaced with bitmap_sets.
61 (BB_VISITED): New macro.
62 (postorder): New variable.
63 (add_to_value): Removed.
64 (value_exists_in_set_bitmap): Ditto.
65 (value_insert_into_set_bitmap): Ditto.
69 (set_contains_value): Ditto.
70 (insert_into_set): Ditto.
73 (bitmap_set_subtract_from_value_set): Ditto.
74 (value_insert_into_set): Ditto.
75 (print_value_set): Ditto.
76 (debug_value_set): Ditto.
77 (constant_expr_p): New function.
78 (bitmap_remove_from_set): Ditto.
79 (bitmap_insert_into_set): Ditto.
80 (bitmap_set_free): Ditto.
82 (sorted_array_from_bitmap_set): Ditto.
83 (bitmap_set_subtract): Ditto.
84 (bitmap_set_equal): Ditto.
85 (debug_bitmap_set): Ditto.
86 (find_leader_in_sets): Ditto.
87 (bitmap_set_replace_value): Modify for bitmapped sets.
88 (phi_translate): Ditto.
89 (phi_translate_set): Ditto.
90 (bitmap_find_leader): Ditto.
91 (valid_in_sets): Ditto.
92 (union_contains_value): Ditto.
94 (compute_antic_aux): Ditto. Mark changed blocks.
95 (compute_antic): Ditto. Iterate in postorder and only over
97 (compute_rvuse_and_antic_safe): Reuse postorder.
98 (create_component_ref_by_pieces): Modify for bitmapped sets.
99 (find_or_generate_expression): Ditto.
100 (create_expression_by_pieces): Ditto.
101 (insert_into_preds_of_block): Ditto.
102 (changed_blocks): New variable.
103 (do_regular_insertion): Broken out from insert_aux.
104 (insert_aux): Modified for bitmapped sets.
105 (find_existing_value_expr): New function.
106 (create_value_expr_from): Use it.
107 (insert_extra_phis): Removed.
108 (print_bitmap_set): Renamed from bitmap_print_value_set.
109 (compute_avail): Handle RETURN_EXPR.
110 (init_pre): Modify for bitmapped sets.
111 * tree-flow.h (has_stmt_ann): New function.
113 2006-10-29 Roger Sayle <roger@eyesopen.com>
115 * builtins.c (fold_builtin_floor): Check for the availability of
116 the C99 trunc function before transforming floor into trunc.
118 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
120 * builtins.c (fold_builtin_hypot): Rearrange recursive
121 transformation before others, and also do ABS_EXPR. When
122 necessary, check flag_unsafe_math_optimizations. When necessary,
125 2006-10-29 Roger Sayle <roger@eyesopen.com>
127 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
128 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
129 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
130 Fold -X eq/ne -Y as X eq/ne Y.
132 2006-10-29 Richard Sandiford <richard@codesourcery.com>
134 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
135 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
136 rather than GENERATE_MULT3_SI in the various define_peephole2s.
137 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
138 Use an inclusive test for "mult" rather than "mul".
139 (rotr<mode>3): Depend on ISA_HAS_ROR.
140 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
142 (GENERATE_MULT3_DI): Delete.
143 (ISA_HAS_64BIT_REGS): Use consistent formatting.
144 (ISA_HAS_MUL3): New macro.
145 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
146 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
147 (ISA_HAS_CLZ_CLO): Likewise.
148 (ISA_HAS_DCLZ_DCLO): Delete.
149 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
150 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
151 the VR4120 and VR4130.
152 (ISA_HAS_MACCHI): Use consistent formatting.
153 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
154 (ISA_HAS_ROR): ...this new macro.
155 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
156 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
157 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
159 2006-10-29 Roger Sayle <roger@eyesopen.com>
161 PR tree-optimization/15458
162 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
165 2006-10-29 Richard Guenther <rguenther@suse.de>
167 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
168 (ix86_expand_truncdf_32): Likewise.
169 * config/i386/i386.c (ix86_expand_trunc): New function expanding
170 trunc inline for SSE math and -fno-trapping-math and if not
172 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
173 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
174 for expanding btrunc inline for SSE math.
176 2006-10-29 Joseph Myers <joseph@codesourcery.com>
178 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
179 Handle tuning for bi-arch i[34567]86-*-linux* like that for
180 i[34567]86-*-solaris2.1[0-9]*.
181 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
182 Define conditionally depending on TARGET_64BIT_DEFAULT.
183 (SPEC_32, SPEC_64): Define.
184 (LINK_SPEC): Use them.
185 * doc/install.texi (--enable-targets=all): Document for x86-linux.
187 2006-10-29 Richard Guenther <rguenther@suse.de>
189 * config/i386/i386-protos.h (ix86_expand_round): Declare.
190 (ix86_expand_rounddf_32): Likewise.
191 * config/i386/i386.c (ix86_expand_round): New function expanding
192 round inline for SSE math and -fno-trapping-math and if not
194 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
195 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
196 round via ix86_expand_round.
198 2006-10-29 Richard Guenther <rguenther@suse.de>
200 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
201 (ix86_expand_floorceildf_32): Likewise.
202 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
203 static helper function.
204 (ix86_expand_floorceil): Expander for floor and ceil to SSE
206 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
207 * config/i386/i386.md (floordf2): Adjust to enable floor
208 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
209 -fno-trapping-math is enabled and if not optimizing for size.
210 (floorsf2, ceildf2, ceilsf2): Likewise.
211 * config/i386/sse.md (sse_maskcmpsf3): New insn.
212 (sse2_maskcmpdf3): Likewise.
214 2006-10-29 Richard Guenther <rguenther@suse.de>
216 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
217 rint in case -fno-trapping-math is enabled.
218 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
219 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
220 (ix86_expand_sse_fabs): Likewise.
221 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
222 * config/i386/i386.md (rintdf2): Enable for SSE math if
223 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
226 2006-10-29 Richard Guenther <rguenther@suse.de>
228 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
229 to conversion optabs.
230 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
232 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
233 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
234 (lfloor_optab, lceil_optab): Adjust defines.
235 * builtins.c (expand_builtin_int_roundingfn): Adjust for
236 lfloor and lceil optabs now being conversion optabs.
237 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
238 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
239 New static helper function.
240 (ix86_expand_lfloorceil): New function to expand lfloor and
242 * config/i386/i386.md (lfloor<mode>2): Split into ...
243 (lfloorxf<mode>2): ... x87 variant
244 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
245 using ix86_expand_lfloorceil.
246 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
248 * doc/md.texi (lfloorMN, lceilMN): Document.
250 2006-10-29 Richard Sandiford <richard@codesourcery.com>
252 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
253 -mno-shared assembler option on mips targets.
254 * configure, config.in: Regenerate.
255 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
256 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
257 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
259 2006-10-29 Richard Sandiford <richard@codesourcery.com>
261 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
262 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
264 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
266 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
267 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
270 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
273 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
274 (fold_builtin_pow): Evaluate constant arguments at compile-time
276 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
277 (do_mpfr_ckconv): New helper function.
278 (do_mpfr_arg1): Use do_mpfr_ckconv.
281 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
284 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
285 (-fdump-rtl-sched): Rename to ..
286 (-fdump-rtl-sched1): here. Also fix file extension number.
288 2006-10-28 Richard Guenther <rguenther@suse.de>
290 * fold-const.c (maybe_canonicalize_comparison): Fix code
293 2006-10-28 Uros Bizjak <uros@kss-loka.si>
295 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
296 (NON_QI_REG_P): Use IN_RANGE.
297 (REX_INT_REGNO_P): Use IN_RANGE.
298 (FP_REGNO_P): Use IN_RANGE.
299 (SSE_REGNO_P): Use IN_RANGE.
300 (REX_SSE_REGNO_P): Use IN_RANGE.
301 (MMX_REGNO_P): Use IN_RANGE.
302 (STACK_REGNO_P): New macro.
303 (STACK_REG_P): Use STACK_REGNO_P.
304 (NON_STACK_REG_P): Use STACK_REGNO_P.
305 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
306 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
307 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
308 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
309 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
311 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
313 * except.h (output_function_exception_table): Add 'const char*' param.
314 * except.c (switch_to_exception_section): Add 'const char*' param.
315 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
316 and flag_function_sections is set, use a function-specific section.
317 (output_function_exception_table): Add 'const char*' param.
318 Adjust call to switch_to_exception_section.
319 * final.c (rest_of_handle_final): Adjust calls to
320 output_function_exception_table.
321 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
322 * config.in: Regenerate.
323 * configure: Likewise.
325 2006-10-28 Richard Guenther <rguenther@suse.de>
328 * fold-const.c (maybe_canonicalize_comparison_1): Helper
329 for maybe_canonicalize_comparison.
330 (maybe_canonicalize_comparison): New function for canonicalizing
332 (fold_comparison): Call it to canonicalize comparisons with
335 2006-10-28 Richard Guenther <rguenther@suse.de>
338 * builtins.c (expand_builtin_int_roundingfn_2): Expand
339 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
340 (expand_builtin): Adjust likewise.
341 * genopinit.c (optabs[]): Add lround optab.
342 * optabs.c (init_optabs): Initialize lround_optab.
343 * optabs.h (enum convert_optab_index): Add COI_lround.
344 (lround_optab): Define.
345 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
346 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
348 (ix86_expand_lround): New function.
349 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
351 * doc/md.texi (lroundMN2): Document.
353 2006-10-28 Uros Bizjak <uros@kss-loka.si>
356 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
357 argument to HOST_WIDE_INT. Update function prototype.
358 (round_frame_size): Change return type to HOST_WIDE_INT. Change
359 "size" argument to HOST_WIDE_INT. Update function prototype.
361 2006-10-28 Uros Bizjak <uros@kss-loka.si>
363 * config/i386/i386.c (output_387_ffreep): Create output from a
364 template string for !HAVE_AS_IX86_FFREEP.
366 2006-10-27 Eric Christopher <echristo@apple.com>
368 * config/darwin.c: Fix formatting and grammar.
370 2006-10-27 Jan Hubicka <jh@suse.cz>
372 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
373 to be thrown away soon when IGNORE is set.
374 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
375 indicating when return value shall not be computed.
376 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
378 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
380 * config/i386/i386.h (TARGET_GEODE):
381 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
382 (TARGET_CPU_DEFAULT_geode): New macro.
383 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
384 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
385 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
386 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
387 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
389 (TARGET_CPU_DEFAULT_NAMES): Add geode.
390 (processor_type): Add PROCESSOR_GEODE.
392 * config/i386/i386.md: Include geode.md.
395 * config/i386/i386.c (geode_cost): New initialized global
397 (m_GEODE, m_K6_GEODE): New macros.
398 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
399 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
400 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
401 x86_schedule): Use m_K6_GEODE instead of m_K6.
402 (x86_movx, x86_cmove): Set up m_GEODE.
403 (x86_integer_DFmode_moves): Clear m_GEODE.
404 (processor_target_table): Add entry for geode.
405 (processor_alias_table): Ditto.
407 * config/i386/geode.md: New file.
409 * doc/invoke.texi: Add entry about geode processor.
411 2006-10-27 Mike Stump <mrs@apple.com>
413 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
414 __DYNAMIC__ from here back to ...
415 * config/darwin.h (CPP_SPEC): ... here.
417 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
418 Nathan Sidwell <nathan@codesourcery.com>
420 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
421 when choosing the minimum heapsize.
423 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
425 * gcc/unwind-dw2.h: Move cfa-related variables into
426 struct frame_state_reg_info to ensure that the CFA is properly
427 handled when executing DW_CFA_{remember,restore}_state.
428 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
429 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
430 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
431 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
432 gcc/config/rs6000/linux-unwind.h,
433 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
434 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
435 Modify to use new cfa_* fields.
437 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
439 * config/s390/s390.c (s390_init_frame_layout): Check positive
442 2006-10-26 Ben Elliston <bje@au.ibm.com>
444 * gimplify.c (get_name): Remove extraneous break.
445 (gimplify_omp_for): Initialise ret with GS_OK.
447 2006-10-25 Steve Ellcey <sje@cup.hp.com>
449 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
450 Add unix98.o to link line.
452 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
455 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
456 Calculate compile-time constants using MPFR.
457 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
458 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
460 2006-10-25 Bob Wilson <bob.wilson@acm.org>
462 * config/xtensa/lib2funcs.S: Use C-style comments.
464 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
466 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
467 (file_table_relative_p): Likewise.
468 (dwarf2out_finish): Likewise.
469 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
471 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
473 * tree-ssa-structalias.c (intra_create_variable_infos):
474 Don't recreate nonlocal_all if it already exists.
476 2006-10-25 Richard Guenther <rguenther@suse.de>
479 * optabs.h (enum optab_index): Remove OTI_lrint.
480 (enum convert_optab_index): Add COI_lrint.
481 (lrint_optab): Adjust.
482 (expand_sfix_optab): Declare.
483 * optabs.c (expand_sfix_optab): New function.
484 (init_optabs): Init lrint_optab as conversion optab.
485 * genopinit.c (lrint_optab): Change to a conversion optab.
486 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
487 expansion via conversion optab.
488 * config/i386/i386.md (*fistdi2_1): Remove
489 flag_unsafe_math_optimizations guard.
490 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
491 fist<mode>2_with_temp): Likewise.
492 (lrint<mode>2): Split into...
493 (lrintxf<mode>2): ... x87 part
494 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
495 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
496 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
497 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
498 * doc/md.texi (lrintMN2): Document.
500 2006-10-25 Uros Bizjak <uros@kss-loka.si>
503 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
504 Use inc and dec instructions for TARGET_USE_INCDEC.
505 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
506 ("sync_double_compare_and_swap<mode>"): Likewise.
507 ("*sync_double_compare_and_swapdi_pic"): Likewise.
508 ("*sync_compare_and_swap_cc<mode>"): Likewise.
509 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
510 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
511 ("sync_old_add<mode>"): Likewise.
512 ("sync_lock_test_and_set<mode>"): Likewise.
513 ("sync_lock_test_and_set<mode>"): Likewise.
514 ("sync_add<mode>"): Likewise.
515 ("sync_sub<mode>"): Likewise.
516 ("sync_ior<mode>"): Likewise.
517 ("sync_and<mode>"): Likewise.
518 ("sync_xor<mode>"): Likewise.
520 2006-10-25 Uros Bizjak <uros@kss-loka.si>
522 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
523 (remainder_optab): Define corresponding macro.
524 (drem_optab): Remove.
525 * optabs.c (init_optabs): Initialize remainder_optab. Remove
526 drem_optab initialization.
527 * genopinit.c (optabs): Implement remainder_optab using
528 remainder?f3 patterns. Remove drem_optab.
529 * builtins.c (expand_builtin_mathfn_2): Handle
530 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
531 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
532 expand_builtin_mathfn_2.
534 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
535 depend on flag_unsafe_math_optimizations.
537 * config/i386/i386.md ("remaindersf3", "remainderdf3")
538 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
539 Do not depend on flag_unsafe_math_optimizations. Use
540 truncxf?f expander instead of truncxf?f_i387_noop.
542 ("fpremxf4", "fprem1xf4"): Do not depend on
543 flag_unsafe_math_optimizations.
544 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
545 flag_unsafe_math_optimizations. Use truncxf?f expander
546 instead of truncxf?f_i387_noop.
548 * doc/md.texi (fmod, remainder): Document standard named pattern.
550 2006-10-24 Richard Sandiford <richard@codesourcery.com>
551 David Daney <ddaney@avtrex.com>
554 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
556 2006-10-25 Ben Elliston <bje@au.ibm.com>
558 * doc/extend.texi (Variable Attributes): Typo fix.
560 2006-10-24 Uros Bizjak <uros@kss-loka.si>
562 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
563 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
564 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
565 (FRAME_POINTER_REGNUM): Update register number to 21.
566 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
567 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
569 * config/i386/i386.c (regclass_map): Add fpcr entry.
570 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
572 (print_reg): Assert REGNO (x) != FPCR_REG.
574 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
575 (DIRFLAG_REG): Renumber.
576 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
577 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
578 (sse_prologue_save, *sse_prologue_save_insn): Renumber
579 hardcoded SSE register numbers.
581 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
582 hardcoded MMX register numbers.
584 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
587 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
588 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
590 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
591 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
592 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
593 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
595 2006-10-24 Richard Guenther <rguenther@suse.de>
598 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
599 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
600 for deciding optimizations in consistency with fold-const.c
601 (fold_builtin_unordered_cmp): Likewise.
603 2006-10-24 Richard Guenther <rguenther@suse.de>
605 * builtins.c (fold_builtin_floor): Fold floor (x) where
606 x is nonnegative to trunc (x).
607 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
608 nonnegative to FIX_TRUNC_EXPR.
610 2006-10-24 Richard Guenther <rguenther@suse.de>
612 PR tree-optimization/29567
613 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
614 for TRUTH_NOT_EXPR. Clarify comments.
616 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
619 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
620 at compile-time using MPFR. Change parameter VALUE to FUNC,
622 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
623 for overflow and underflow at all times and avoid folding in
626 2006-10-24 Ben Elliston <bje@au.ibm.com>
628 * reload1.c: Formatting fixes.
630 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
632 PR tree-optimization/14784
633 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
634 * tree-ssa-structalias.c (get_constraint_for,
635 intra_create_variable_infos): Set is_heapvar.
636 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
637 non-heapvar pointer variables specially.
639 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
642 * builtins.c (fold_builtin_sin, fold_builtin_cos,
643 fold_builtin_tan): Fold all constant arguments. Take a "type"
644 argument as necessary.
646 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
648 2006-10-23 Bob Wilson <bob.wilson@acm.org>
650 * config/xtensa/lib1funcs.asm: Use C-style comments.
652 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
654 * tree.c (local_define_builtin): Replace calls to
655 lang_hooks.builtin_function with add_builtin_function.
656 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
658 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
660 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
661 common code to add_builtin_function.
662 * langhooks.c (add_builtin_function): New function.
663 (lhd_builtin_function): New function.
664 * langhooks.h (struct lang_hooks): Change the signature of
666 (add_builtin_function): New function.
667 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
668 calls to lang_hooks.builtin_function with add_builtin_function.
669 * c-common.c (decl_builtin_1): Replace calls to
670 lang_hooks.builtin_function with add_builtin_function.
671 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
672 lang_hooks.builtin_function with add_builtin_function.
673 * config/frv/frv.c (def_builtin): Replace calls to
674 lang_hooks.builtin_function with add_builtin_function.
675 * config/s390/s390.c (s390_init_builtins): Replace calls to
676 lang_hooks.builtin_function with add_builtin_function.
677 * config/sparc/sparc.c (def_builtin): Replace calls to
678 lang_hooks.builtin_function with add_builtin_function.
679 * config/i386/i386.c (def_builtin): Replace calls to
680 lang_hooks.builtin_function with add_builtin_function.
681 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
682 lang_hooks.builtin_function with add_builtin_function.
683 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
684 lang_hooks.builtin_function with add_builtin_function.
685 * config/stormy16/stormy16.c (xstormy16_init_builtins):
686 Replace calls to lang_hooks.builtin_function with
687 add_builtin_function.
688 * config/iq2000/iq2000.c (def_builtin):
689 Replace calls to lang_hooks.builtin_function with
690 add_builtin_function.
691 * config/ia64/ia64.c (def_builtin): Replace calls to
692 lang_hooks.builtin_function with add_builtin_function.
693 * config/rs6000/rs6000.c (def_builtin): Replace calls to
694 lang_hooks.builtin_function with add_builtin_function.
695 (altivec_init_builtins): Replace calls to
696 lang_hooks.builtin_function with add_builtin_function.
697 * config/arm/arm.c (def_mbuiltin): Replace calls to
698 lang_hooks.builtin_function with add_builtin_function.
699 (arm_init_tls_builtins): Replace calls to
700 lang_hooks.builtin_function with add_builtin_function.
701 * config/mips/mips.c (mips_init_builtins): Replace calls to
702 lang_hooks.builtin_function with add_builtin_function.
703 * config/bfin/bfin.c (def_builtin): Replace calls to
704 lang_hooks.builtin_function with add_builtin_function.
705 * langhooks-def.h (lhd_builtin_function): New function.
706 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
708 2006-10-23 Jakub Jelinek <jakub@redhat.com>
710 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
711 BUILT_IN_STRNCAT_CHK.
713 2006-10-23 Jan Hubicka <jh@suse.cz>
715 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
716 don't do conversion from memmove to memcpy here.
717 (expand_builtin_bcopy, expand_builtin): Update call of
718 expand_builtin_memmove.
719 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
721 2006-10-23 Paul Brook <paul@codesourcery.com>
723 * stor-layout.c (start_record_layout): maximum_field_alignment
724 overrides STRUCTURE_SIZE_BOUNDARY.
726 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
728 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
729 nonlocal function symbols if flag_pic.
731 2006-10-23 Richard Guenther <rguenther@suse.de>
735 * builtins.c (fold_binary): Remove checks for flag_wrapv
736 and flag_trapv where negate_expr_p covers these cases.
738 2006-10-23 Richard Guenther <rguenther@suse.de>
741 * fold-const.c (fold_plusminus_mult_expr): Check exact power
742 of two on the absolute value.
743 (fold_binary): Fold x * -C to -x * C if x is easily negatable
744 and negating -C does not overflow.
746 2006-10-23 Richard Guenther <rguenther@suse.de>
749 * convert.c (convert_to_real): Fold (float)-x to -(float)x
750 only if not flag_rounding_math.
752 2006-10-22 Richard Sandiford <richard@codesourcery.com>
753 Kaz Kojima <kkojima@gcc.gnu.org>
756 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
757 SImode memory reference for the source of a movua.
758 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
759 (movua): Use an unspec instead of sign_extract. Expect the source
760 to have mode BLKmode.
761 (extv, insv): Use a BLKmode rather than SImode memory reference
762 for the source of a movua.
764 2006-10-22 Jeff Law <law@redhat.com>
765 Richard Guenther <rguenther@suse.de>
767 PR tree-optimization/15911
768 * tree-vrp.c (extract_code_and_val_from_cond): New function.
769 (register_edge_assert_for_1): Likewise.
770 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
771 (find_conditional_asserts): Adjust for new function signature.
772 (find_assert_locations): Likewise.
774 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
776 * config/i386/tmmintrin.h: Remove the duplicated content.
778 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
780 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
781 (x86_64-*-*): Likewise.
783 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
784 (override_options): Check SSSE3.
785 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
786 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
787 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
788 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
789 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
790 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
791 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
792 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
793 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
794 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
795 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
796 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
797 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
798 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
799 IX86_BUILTIN_PABSD128.
800 (bdesc_2arg): Add SSSE3.
801 (bdesc_1arg): Likewise.
802 (ix86_init_mmx_sse_builtins): Support SSSE3.
803 (ix86_expand_builtin): Likewise.
804 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
806 * config/i386/i386.md (UNSPEC_PSHUFB): New.
807 (UNSPEC_PSIGN): Likewise.
808 (UNSPEC_PALIGNR): Likewise.
809 Include mmx.md before sse.md.
811 * config/i386/i386.opt: Add -mssse3.
813 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
814 (ssse3_phaddwv4hi3): Likewise.
815 (ssse3_phadddv4si3): Likewise.
816 (ssse3_phadddv2si3): Likewise.
817 (ssse3_phaddswv8hi3): Likewise.
818 (ssse3_phaddswv4hi3): Likewise.
819 (ssse3_phsubwv8hi3): Likewise.
820 (ssse3_phsubwv4hi3): Likewise.
821 (ssse3_phsubdv4si3): Likewise.
822 (ssse3_phsubdv2si3): Likewise.
823 (ssse3_phsubswv8hi3): Likewise.
824 (ssse3_phsubswv4hi3): Likewise.
825 (ssse3_pmaddubswv8hi3): Likewise.
826 (ssse3_pmaddubswv4hi3): Likewise.
827 (ssse3_pmulhrswv8hi3): Likewise.
828 (ssse3_pmulhrswv4hi3): Likewise.
829 (ssse3_pshufbv16qi3): Likewise.
830 (ssse3_pshufbv8qi3): Likewise.
831 (ssse3_psign<mode>3): Likewise.
832 (ssse3_psign<mode>3): Likewise.
833 (ssse3_palignrti): Likewise.
834 (ssse3_palignrdi): Likewise.
835 (abs<mode>2): Likewise.
836 (abs<mode>2): Likewise.
838 * config/i386/tmmintrin.h: New file.
840 * doc/extend.texi: Document SSSE3 built-in functions.
842 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
844 2006-10-22 Ira Rosen <irar@il.ibm.com>
846 * tree-vect-transform.c (vectorizable_load): Use the type of the
847 return value of the mask_for_load builtin to create realign_load
850 2006-10-22 Richard Sandiford <richard@codesourcery.com>
852 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
855 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
857 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
858 (UNSPEC_LDDQU): This.
859 * config/i386/sse.md (sse3_lddqu): Updated.
861 2006-10-21 Richard Guenther <rguenther@suse.de>
863 * builtins.c (expand_builtin_int_roundingfn_2): New function.
864 (expand_builtin): Use it to expand lrint instead of
865 expand_builtin_mathfn.
867 2006-10-21 Uros Bizjak <uros@kss-loka.si>
870 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
871 flag_unsafe_math_optimizations is set.
873 2006-10-21 Uros Bizjak <uros@kss-loka.si>
876 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
877 patterns to use memory input operand in x87->mem->XMM
878 reload sequences. Skip transformation for TARGET_K8.
880 2006-10-21 Uros Bizjak <uros@kss-loka.si>
882 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
883 force operand1 to register if both operands are memory operands.
884 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
885 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
886 if both operands are memory operands.
887 (truncdfsf2): Do not force operand1 to register if both operands
890 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
892 * Makefile.in (LIBS): Add $(GMPLIBS).
893 * doc/install.texi: Update GMP and MPFR requirements.
894 * doc/sourcebuild.texi (need_gmp): Delete.
896 2006-10-21 Richard Guenther <rguenther@suse.de>
898 PR tree-optimization/3511
899 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
900 got new invariant arguments during PHI translation.
902 2006-10-21 Richard Guenther <rguenther@suse.de>
905 * fold-const.c (fold_comparison): Fold signed comparisons
906 of the form X +- C1 CMP Y +- C2.
908 2006-10-21 Richard Guenther <rguenther@suse.de>
911 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
912 if flag_unsafe_math_optimizations is specified. We have
913 flag_finite_math_only for that.
914 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
915 or flag_unsafe_math_optimizations.
917 2006-10-21 Richard Guenther <rguenther@suse.de>
919 * builtins.c (fold_builtin_classify): Fix typo.
921 2006-10-21 Richard Guenther <rguenther@suse.de>
924 * simplify-rtx.c (simplify_const_relational_operation):
925 Do not constant-fold ORDERED and UNORDERED for
926 flag_unsafe_math_optimizations but only we do not need to
927 honor NaNs for the given mode.
929 2006-10-21 Richard Guenther <rguenther@suse.de>
932 * config/i386/i386.c (classify_argument): Remove redundant
933 walking of the BINFOs.
934 (contains_128bit_aligned_vector_p): Likewise.
936 2006-10-20 Mark Mitchell <mark@codesourcery.com>
938 * BASE-VER: Set to 4.3.0.
940 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
942 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
943 (tree_decl_with_vis): Remove artificial_pta_var flag.
944 * tree-flow.h (referenced_var_check_and_insert): Expose.
945 (nonlocal_all): New prototype.
946 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
947 (nonlocal_all): Make global.
948 (nonlocal_lookup): Remove.
949 (nonlocal_insert): Ditto.
950 (create_nonlocal_var): Do not call nonlocal_insert.
951 (get_nonlocal_id_for_type): Remove.
952 (find_global_initializers): Mark new vars we find for renaming.
953 (intra_create_variable_infos): Only create one nonlocal.
954 (expand_nonlocal_solutions): Remove.
955 (compute_points_to_sets): Don't call it.
956 (ipa_pta_execute): Ditto.
957 (init_alias_heapvars): Don't create nonlocal_for_type.
958 (delete_alias_heapvars): Don't remove it.
959 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
962 2006-10-19 Brooks Moses <bmoses@stanford.edu>
964 * doc/install.texi (Downloading GCC): Clarify mention of
965 Fortran in the "full distribution" description.
967 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
969 Fix PR tree-optimization/28778
970 Fix PR tree-optimization/29156
971 Fix PR tree-optimization/29415
972 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
973 (tree_decl_with_vis): Add artificial_pta_var flag.
974 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
976 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
977 (nonlocal_all): Ditto.
978 (struct variable_info): Add directly_dereferenced member.
979 (var_escaped_vars): New variable.
980 (escaped_vars_tree): Ditto.
981 (escaped_vars_id): Ditto.
982 (nonlocal_vars_id): Ditto.
983 (new_var_info): Set directly_dereferenced.
984 (graph_size): New variable
985 (build_constraint_graph): Use graph_size.
986 (solve_graph): Don't process constraints that cannot change the
987 solution, don't try to propagate an empty solution to our
989 (process_constraint): Set directly_dereferenced.
990 (could_have_pointers): New function.
991 (get_constraint_for_component_ref): Don't process STRING_CST.
992 (nonlocal_lookup): New function.
993 (nonlocal_insert): Ditto.
994 (create_nonlocal_var): Ditto.
995 (get_nonlocal_id_for_type): Ditto.
996 (get_constraint_for): Allow results vector to be empty in the case
998 Handle results of calls properly.
999 (update_alias_info): Update alias info stats on number and type of
1001 (find_func_aliases): Use could_have_pointers.
1002 (make_constraint_from_escaped): Renamed from
1003 make_constraint_to_anything, and changed to make constraints from
1005 (make_constraint_to_escaped): New function.
1006 (find_global_initializers): Ditto.
1007 (create_variable_info_for): Make constraint from escaped to any
1008 global variable, and from any global variable to the set of
1010 (intra_create_variable_infos): Deal with escaped instead of
1011 pointing to anything.
1012 (set_uids_in_ptset): Do type pruning on directly dereferenced
1014 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1015 (init_base_vars): Fix comment, and initialize escaped_vars.
1016 (need_to_solve): Removed.
1017 (find_escape_constraints): New function.
1018 (expand_nonlocal_solutions): Ditto.
1019 (compute_points_to_sets): Call find_escape_constraints and
1020 expand_nonlocal_solutions.
1021 (delete_points_to_sets): Don't fall off the end of the graph.
1022 (init_alias_heapvars): Initialize nonlocal_for_type and
1024 (delete_alias_heapvars): Free nonlocal_for_type and null out
1027 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1029 * fold-const.c (add_double): Rename to add_double_with_sign.
1030 Add 'unsigned_p' parameter and take it into account for the overflow.
1031 (mul_double): Rename to mul_double_with_sign.
1032 Add 'unsigned_p' parameter and take it into account for the overflow.
1033 (fold_div_compare): Call add_double_with_sign instead of add_double
1034 and mul_double_with_sign instead of mul_double, passing them the
1035 unsignedness of the type.
1036 * tree.h (add_double): Macroize.
1037 (add_double_with_sign): New prototype.
1038 (mul_double): Macroize.
1039 (mul_double_with_sign): New prototype.
1041 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1043 * config/score/crti.asm: New file.
1044 * config/score/crtn.asm: New file.
1045 * config/score/elf.h: New file.
1046 * config/score/mac.md: New file.
1047 * config/score/misc.md: New file.
1048 * config/score/mul-div.S: New file.
1049 * config/score/predicates.md: New file.
1050 * config/score/score7.md: New file.
1051 * config/score/score.c: New file.
1052 * config/score/score-conv.h: New file.
1053 * config/score/score.h: New file.
1054 * config/score/score.md: New file.
1055 * config/score/score-mdaux.c: New file.
1056 * config/score/score-mdaux.h: New file.
1057 * config/score/score-modes.def: New file.
1058 * config/score/score.opt: New file.
1059 * config/score/score-protos.h: New file.
1060 * config/score/score-version.h: New file.
1061 * config/score/t-score-elf: New file.
1062 * config.gcc: Add score*-*-* configurations(Update before).
1063 * doc/invoke.texi (Score Options): New section.
1064 * doc/md.texi (Score family): New section to document constraints.
1066 2006-10-19 Nick Clifton <nickc@redhat.com>
1068 * config/arm/arm.c: Fix spelling typo.
1070 2006-10-18 Tom Tromey <tromey@redhat.com>
1072 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1074 2006-10-18 Jan Hubicka <jh@suse.cz>
1077 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1080 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1082 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1083 TSI_SAME_STMT, since that's the desired entity.
1085 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1087 * config/s390/contraints.md: New file.
1088 * config/s390/s390-protos.h (s390_mem_constraint,
1089 s390_O_constraint_str, s390_N_constraint_str,
1090 s390_float_const_zero_p): Function prototypes added.
1091 * config/s390/s390.c (s390_extra_constraint_str,
1092 s390_const_double_ok_for_constraint_p,
1093 s390_const_ok_for_constraint_p): Functions removed.
1094 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1095 s390_float_const_zero_p): New functions.
1096 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1097 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1098 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1099 Macro definitions removed.
1100 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1101 s390_extra_constraint_str): Functions removed.
1103 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1104 Richard Sandiford <richard@codesourcery.com>
1107 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1108 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1110 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1112 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1113 (DWARF2_FRAME_REG_OUT): Likewise.
1114 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1115 (DWARF2_FRAME_REG_OUT): Likewise.
1117 2006-10-17 Paul Brook <paul@codesourcery.com>
1119 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1121 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1123 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1124 Standardize on "GNU Fortran" as the official name of the Fortran
1127 2006-10-16 Mike Stump <mrs@apple.com>
1129 * doc/invoke.texi (Darwin Options): Document -mkernel.
1130 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1132 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1133 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1134 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1135 (OS_MISSING_ALTIVEC): Add.
1136 * config/i386/i386.c (override_options): Add
1137 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1138 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1139 -mkernel, -static or -mdynamic-no-pic is given.
1140 (C_COMMON_OVERRIDE_OPTIONS): Add.
1141 * config/darwin.opt (fapple-kext): Add.
1143 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1144 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1146 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1147 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1148 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1149 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1150 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1151 (flag_mkernel): Add.
1152 (flag_apple_kext): Add.
1153 (TARGET_KEXTABI): Add.
1154 * config/darwin.c (darwin_handle_kext_attribute): Add.
1155 (DARWIN_VTABLE_P): Add.
1156 (darwin_binds_local_p): Add partial support for rebinding vtables
1158 (darwin_kextabi_p): Add.
1159 (darwin_override_options): Add.
1160 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1161 (darwin_kextabi_p): Add.
1162 (darwin_override_options): Add.
1163 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1164 __DYNAMIC__ and __STATIC__ here.
1166 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1168 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1169 Added mention of "make pdf" target, and Texinfo requirements for
1172 2006-10-16 DJ Delorie <dj@redhat.com>
1174 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1175 into the GOT in case we need a subreg of the address.
1177 2006-10-16 Richard Guenther <rguenther@suse.de>
1180 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1181 SSE builtin documentation. Document SSE2 builtins.
1183 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1185 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1186 symbol in the output file for non-shared links when -nostdlib or
1187 -nodefaultlibs isn't specified.
1189 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1190 posix thread support.
1192 2006-10-15 Jan Hubicka <jh@suse.cz>
1195 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1196 declared always_inline even when not inlining.
1198 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1199 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1200 Andrew Pinski <pinskia@gmail.com>
1203 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1205 2006-10-15 Jan Hubicka <jh@suse.cz>
1206 Richard Guenther <rguenther@suse.de>
1209 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1210 process_function_and_variable_attributes on all variables, including
1211 those discovered during cgraph construction phase.
1213 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1215 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1217 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1219 * config/i386/athlon.md (athlon_fist): Add fisttp.
1221 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1222 Ian Lance Taylor <ian@airs.com>
1225 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1226 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1229 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1231 * config/score/score.c, config/score/score.h: Fix comment
1234 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1237 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1240 2006-10-13 Eric Christopher <echristo@apple.com>
1242 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1244 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1247 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1248 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1249 alignment supported by 32-bit ELF.
1251 2006-10-13 Eric Christopher <echristo@apple.com>
1253 * config/darwin.c (darwin_emit_unwind_label): Strip
1254 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1256 2006-10-13 Richard Guenther <rguenther@suse.de>
1258 PR tree-optimization/29446
1259 * tree-vrp.c (fix_equivalence_set): Remove.
1260 (extract_range_from_assert): Do not call fix_equivalence_set.
1261 (debug_value_range): Print a newline.
1262 (compare_name_with_value): For equivalence sets with
1263 inconsistent value ranges conservatively bail out.
1264 (compare_names): Likewise.
1266 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1268 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1269 and MPFR for gfortran.
1271 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1273 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1274 alignment supported by 32-bit ELF.
1276 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1280 * c-typeck.c (digest_init): Always allow initializing vectors
1281 that have static storage duration with compound literals.
1282 * tree.c (build_type_attribute_qual_variant): New, based on
1283 build_type_attribute_variant.
1284 (build_type_attribute_variant): Rewrite using the former.
1285 (make_vector_type): Use build_type_attribute_qual_variant to build
1286 type variants. Use type_hash_canon on the others.
1288 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1289 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1291 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1293 2006-10-12 Jan Hubicka <jh@suse.cz>
1296 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1297 current_function_decl is set but current_function_scope is not.
1299 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1301 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1302 emit_insn to emit eh_return_internal instruction.
1303 (eh_return_internal): Explicitly set pc.
1305 2006-10-11 Richard Guenther <rguenther@suse.de>
1307 PR tree-optimization/28230
1308 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1309 to the correct place.
1311 2006-10-11 Richard Guenther <rguenther@suse.de>
1314 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1317 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1319 * configure.ac: Added pdf to "Make-hooks"
1320 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1321 targets and *.pdf file patterns in cleanup targets.
1322 * configure: Regenerated.
1324 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1326 * config/avr/predicates.md: New file.
1327 * config/avr/avr.md: Include it.
1328 (REG_SP): New constant.
1329 (peepholes): Use predicates.
1330 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1331 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1332 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1334 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1336 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1339 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1342 * builtins.c (var_decl_component_p): New function.
1343 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1344 single entry optimization to variables and components thereof.
1346 2006-10-10 Richard Guenther <rguenther@suse.de>
1348 PR rtl-optimization/29323
1349 * except.c (set_nothrow_function_flags): For functions
1350 that do not bind local bail out early.
1352 2006-10-10 Ben Elliston <bje@au.ibm.com>
1354 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1357 2006-10-09 Richard Henderson <rth@redhat.com>
1359 Revert emutls patch.
1361 2006-10-09 Richard Guenther <rguenther@suse.de>
1364 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1367 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1370 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1371 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1372 * configure: Regenerate.
1373 * config.in: Regenerate.
1375 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1377 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1379 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1381 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1382 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1383 Remove stray newline.
1385 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1387 * config/mips/mips.c (mips_classify_symbol): Do not return
1388 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1389 (mips_in_small_data_p): Tweak comments.
1391 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1393 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1395 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1397 * gimplify.c, sched-int.h: Fix comment typos.
1399 * sched-int.h: Fix comment typos.
1401 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1403 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1405 * sched-ebb.c (begin_schedule_ready): Use them.
1406 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1407 add_to_speculative_block, create_check_block_twin, speculate_insn,
1408 fix_jump_move, move_block_after_check): Ditto.
1409 * sched-rgn.c (new_ready): Ditto.
1411 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1413 PR rtl-optimization/29128
1414 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1415 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1416 allow interblock movement of speculation checks.
1418 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1421 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1422 casted to integer type.
1423 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1424 if they are significantly more expensive than [reg + index] ones.
1426 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1428 PR tree-optimization/29330
1429 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1430 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1431 on newly allocated ddrs.
1432 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1433 to VEC (loop_p, heap) pointer.
1434 (compute_data_dependences_for_loop): Adjust caller.
1435 (free_dependence_relations): Free DDR_LOOP_NEST.
1437 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1438 free DEPENDENCE_RELATIONS and DATAREFS.
1441 * builtins.c (expand_builtin_sync_operation,
1442 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1443 Use convert_to_mode to handle promoted arguments.
1445 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1447 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1449 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1451 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1453 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1455 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1456 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1457 Use <modeconstraint> instead of "r" as operand 1 constraint.
1459 2006-10-06 Olivier Hainque <hainque@adacore.com>
1461 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1462 Don't recurse on the pointed-to type.
1463 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1464 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1465 types with components of variable size.
1467 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1469 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1471 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1473 PR tree-optimization/29290
1474 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1478 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1479 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1482 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1483 the number of vector elements fill the rest with zeros.
1485 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1487 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1488 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1491 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1493 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1494 unnamed pattern into subsi3. Use correct constraints/predicates.
1495 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1496 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1498 2006-10-05 Ira Rosen <irar@il.ibm.com>
1500 * doc/loop.texi: Add data references analysis description.
1502 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1504 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1506 2006-10-04 Richard Henderson <rth@redhat.com>
1507 Jakub Jelinek <jakub@redhat.com>
1509 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1510 * builtin-types.def (BT_WORD): Make unsigned.
1511 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1512 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1513 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1514 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1515 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1516 * cgraph.c (decide_is_variable_needed): Look at force_output.
1517 Recurse for emulated tls.
1518 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1519 checks redundant with decide_is_variable_needed.
1520 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1521 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1523 * expr.c (emutls_var_address): New.
1524 (expand_expr_real_1): Expand emulated tls.
1525 (expand_expr_addr_expr_1): Likewise.
1526 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1527 * output.h (emutls_finish): Declare.
1528 * toplev.c (compile_file): Call it.
1529 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1530 address before wrapping in CONST.
1531 * varasm.c (emutls_htab, emutls_object_type): New.
1532 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1533 (get_emutls_object_name, get_emutls_object_type): New.
1534 (get_emutls_init_templ_addr, emutls_decl): New.
1535 (emutls_common_1, emutls_finish): New.
1536 (assemble_variable): When emulating tls, swap decls; generate
1537 constructor for the emutls objects.
1538 (do_assemble_alias): When emulating tls, swap decl and target name.
1539 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1541 * emutls.c: New file.
1542 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1543 tls_object for real tls.
1545 2006-10-04 Zack Weinberg <zackw@panix.com>
1547 Fix bug in constraint-check generator, reported by Rask Ingemann
1549 * genpreds.c (add_constraint): Don't remove anything from the
1551 (write_tm_constrs_h): Detect whether "op" argument is used, and
1552 mark it ARG_UNUSED if it isn't.
1553 (write_insn_const_int_ok_for_constraint): Skip the part of the
1554 expression that would test whether "op" (which is not available
1555 here) is a CONST_INT.
1557 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1560 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1562 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1564 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1565 current Leopard versions.
1566 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1568 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1570 * doc/install.texi: Fix typos.
1572 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1574 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1575 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1576 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1578 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1580 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1581 arg to be struct mach_header_64* instead.
1583 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1586 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1587 side effects after the outer expression's post side effects.
1589 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1591 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1592 comments to reflect actual behavior and relationship between
1593 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1595 * doc/c-tree.texi (Working with declarations): Fix documentation
1596 of FIELD_DECL likewise.
1598 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1601 * doc/extend.texi: Add used variable attribute description.
1603 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1606 * c.opt (Woverride-init): New.
1607 * c-opts.c (c_common_post_options): Default warn_override_init to
1609 * c-typeck.c (add_pending_init, output_init_element): Warn for
1610 overriding initializers without side effects.
1611 * doc/invoke.texi (-Woverride-init): Document.
1614 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1616 PR rtl-optimization/28096
1617 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1618 assignment has already been used as a destination earlier in the block.
1620 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1622 * builtins.c (expand_builtin_setjmp): Delete.
1623 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1624 <BUILT_IN_SETJMP_SETUP>: New case.
1625 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1626 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1627 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1628 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1629 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1630 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1631 (lower_function_body): Initialize it to false. If it is set to true
1632 at the end of the processing, emit the setjmp dispatcher.
1633 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1634 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1635 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1636 on the rhs of the assignment.
1637 (lower_builtin_setjmp): New function.
1638 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1639 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1640 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1641 to detect calls that can go to non-local labels. Use specific
1642 helper to create the abnormal edges associated with them.
1643 <MODIFY_EXPR>: Likewise.
1644 (make_abnormal_goto_edges): New function extracted from...
1645 (make_goto_expr_edges): ...here. Call it for computed gotos.
1646 (simple_goto_p): Minor tweak.
1647 (tree_can_make_abnormal_goto): New predicate.
1648 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1649 (tree_purge_dead_abnormal_call_edges): New function.
1650 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1651 (tree_purge_dead_abnormal_call_edges): Likewise.
1652 (make_abnormal_goto_edges): Likewise.
1653 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1654 Purge all dead abnormal edges if the call was in the last statement.
1655 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1656 (execute_fixup_cfg): If there are non-local labels in the function,
1657 scan the basic blocks and split them at calls that can go to non-local
1658 labels or add missing abnormal call edges. Write down the CFG in the
1660 (pass_fixup_cfg): Remove TODO_dump_func flag.
1661 * unwind-sjlj.c: Poison setjmp.
1662 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1663 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1664 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1665 (DONT_USE_BUILTIN_SETJMP): Document it.
1667 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1670 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1671 to 1 when __ppc64__ is defined.
1672 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1674 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1676 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1678 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1679 * config/ia64/unwind-hpux.c: Delete.
1681 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1683 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1684 on the element before gimplifying it, instead of punting if it is of
1687 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1689 * doc/loop.texi: New file.
1690 * doc/gccint.texi: Reference loop.texi.
1691 * Makefile.in (loop.texi): Add.
1693 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1695 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1697 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1698 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1700 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1702 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1704 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1706 * doc/install.texi: Document required versions of GMP and MPFR.
1708 2006-09-27 Paul Brook <paul@codesourcery.com>
1711 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1713 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1715 * reload1.c (alter_reg): Require the alignment of the stack slot to
1716 be at least reg_max_ref_width bytes.
1717 (scan_paradoxical_subregs): Record the largest width in
1720 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1724 * tree-nested.c (struct nesting_info): Added static_chain_added.
1725 (convert_call_expr): Set static_chain_added when adding static
1726 chain. Handle OMP_PARALLEL and OMP_SECTION.
1728 2006-09-25 Matthias Klose <doko@debian.org>
1730 * doc/invoke.texi: Add missing full stop.
1732 2006-09-25 Richard Henderson <rth@redhat.com>
1734 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1735 before cgraph_function_flags_ready.
1737 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1738 Adam Nemet <anemet@caviumnetworks.com>
1740 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1741 determine_common_wider_type): New functions.
1742 (get_computation_aff): Use them to simplify arithmetic between
1743 UBASE and CBASE if they are shortened from the same type.
1745 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1748 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1749 -2147483647 - 1 instead of 0x80000000.
1751 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1753 * flags.h (HONOR_NANS): Fix typo in comment.
1755 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1757 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1759 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1763 * tree.c (merge_attributes, attribute_list_contained): If both
1764 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1766 * c-typeck.c (comptypes_internal): Don't consider aggregates
1767 in different TUs as compatible if there one set of attributes is
1768 not a subset of the other type's attributes.
1769 (composite_type): Try harder not to create a new aggregate type.
1771 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1773 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1774 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1775 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1776 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1777 than replicating condition above.
1778 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1780 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1781 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1782 the linker by default.
1784 2006-09-22 Mike Stump <mrs@apple.com>
1786 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1789 2006-09-22 Richard Guenther <rguenther@suse.de>
1792 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1793 sort of stack variables stable.
1795 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1798 * explow.c (force_reg): Set REG_POINTER flag according to
1801 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1803 PR tree-optimization/28888
1804 * tree-if-conv.c (combine_blocks): Rewritten.
1805 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1806 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1808 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1810 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1813 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1815 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1817 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1819 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1821 2006-09-21 Roger Sayle <roger@eyesopen.com>
1824 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1825 dw_fde_current_label, to be the start of the function, i.e. the same
1826 value as dw_fde_begin.
1828 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1830 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1831 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1832 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1833 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1834 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1835 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1836 (abs<mode>2, neg<mode>2): Likewise.
1837 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1838 (*mips_abs_ps): New define_insn.
1840 2006-09-20 Josh Conner <jconner@apple.com>
1843 * calls.c (expand_call): Allow reuse of structure return stack
1846 2006-09-20 Paul Brook <paul@codesourcery.com>
1848 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1851 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1853 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1854 clean up terminology.
1856 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1859 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1860 with tablejumps in them.
1862 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1865 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1866 wrap it into TARGET_EXPR.
1868 2006-09-20 Eric Christopher <echristo@apple.com>
1870 * config/i386/i386.c (x86_fisttp): Remove.
1871 * config/i386/i386.h (x86_fisttp): Ditto.
1872 (TARGET_FISTTP): Ditto.
1874 2006-09-19 Eric Christopher <echristo@apple.com>
1876 * doc/tm.texi (OBJC_JBLEN): Describe.
1877 * config/i386/darwin.h (OBJC_JBLEN): Define.
1878 * config/rs6000/darwin.h: Ditto.
1880 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1882 PR rtl-optimization/21299
1883 * reload1.c (reload): Purge invalid ASMs in the final pass.
1885 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1888 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1889 pointers as legitimate constants.
1891 2006-09-19 Paul Brook <paul@codesourcery.com>
1894 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1896 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1898 PR tree-optimization/28887
1899 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1900 component parts from the reference.
1901 (gather_memory_references_ref): Record the reference without the
1902 nonaddressable component parts.
1904 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1907 * c-opts.c (c_common_handle_option): Ignore the -std options
1908 if the input language is assembly.
1910 2006-09-17 Ira Rosen <irar@il.ibm.com>
1913 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1915 (ptr_ptr_may_alias_p): Likewise.
1916 (record_record_differ_p): New function.
1917 (base_object_differ_p): Call record_record_differ_p.
1919 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1922 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1923 away for the expr argument.
1925 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1928 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1929 before using it for dumping after vectorizing loops.
1931 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1932 Jack Howarth <howarth@bromo.med.uc.edu>
1935 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1936 skip on error_mark_node.
1937 (rs6000_darwin64_record_arg_recurse): Likewise.
1939 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1941 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1942 * doc/rtl.texi: Remove related documentation.
1944 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1946 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1949 2006-09-15 Jim Wilson <wilson@specifix.com>
1951 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1952 Handle symbol offsets same as they are handled in ia64_expand_move
1955 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1957 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1958 Add forgotten parameter to the fprintf call.
1960 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1962 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1964 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1966 * doc/contrib.texi: Add my entry.
1968 2006-09-15 Nick Clifton <nickc@redhat.com>
1970 * doc/md.texi (Processor pipeline description): Fix typo in
1971 example of how to use the absence_set directive and reword the
1972 description to make it slightly easier to read.
1974 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1976 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1977 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1978 expanding the number of iterations.
1979 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1981 * cfgrtl.c (emit_insn_at_entry): New function.
1982 * rtl.h (emit_insn_at_entry): Declare it.
1983 * integrate.c (emit_initial_value_sets): Use it.
1985 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1987 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1989 (struct loop_work and related VEC declarations): Delete.
1990 (bfin_dump_loops): Print out new member bad.
1991 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1992 (bfin_scan_loop): Don't recurse.
1993 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1994 loops. No longer need to update outer loops if the current one is
1995 found bad. Move some validitiy checks to bfin_discover_loop.
1996 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1997 but changed not to check for nesting. Also changed to use the new bad
1999 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2000 time. Use bitmap based test to discover loop nesting.
2002 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2004 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2007 2006-09-14 Richard Guenther <rguenther@suse.de>
2008 Kazu Hirata <kazu@codesourcery.com>
2010 PR middle-end/28884.
2011 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2012 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2013 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2014 with TARGET_FUNCTION_VALUE.
2016 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2019 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2021 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2023 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2026 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2029 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2032 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2034 * basic_block.h (bb_has_eh_pred): Fix comment.
2036 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2038 * flow.c (calculate_global_regs_live): Invalidate eh registers
2039 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2040 (propagate_block): Handle eh registers as if they were set at basic
2042 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2044 * global.c (global_conflicts): Make eh registers to conflict with
2045 pseudos live at basic block begin.
2046 * basic_block.h (bb_has_eh_pred): New function.
2048 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2050 PR rtl-optimization/28982
2051 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2052 index of a PRE_MODIFY or POST_MODIFY address.
2053 * reload1.c (inc_for_reload): Use find_replacement on the original
2054 base and index registers.
2056 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2058 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2059 for -Os. Update __m128 alignment requirement.
2061 2006-09-13 Jan Hubicka <jh@suse.cz>
2063 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2065 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2067 PR rtl-optimization/28243
2068 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2069 the insn to which the note was originally attached.
2071 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2072 Roger Sayle <roger@eyesopen.com>
2074 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2075 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2076 on platforms that don't use dwarf for debug info.
2078 2006-09-12 Jason Merrill <jason@redhat.com>
2081 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2082 hard_frame_pointer_rtx after using it to update the frame pointer.
2084 2006-09-12 Roger Sayle <roger@eyesopen.com>
2086 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2087 (TARGET_ASM_CLOSE_PAREN): Likewise.
2088 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2089 (TARGET_ASM_CLOSE_PAREN): Likewise.
2091 2006-09-12 Roger Sayle <roger@eyesopen.com>
2094 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2095 frame information for frames larger than 512 Kbytes on Tru64 when
2096 using the native assembler.
2098 2006-09-12 Roger Sayle <roger@eyesopen.com>
2102 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2103 and symbols. Instead use the implementation from cse.c's hash_rtx.
2105 2006-09-12 Jan Hubicka <jh@suse.cz>
2107 PR rtl-optimization/28071
2108 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2109 (vect_transform_loop): Likewise.
2110 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2111 (new_loop_vec_info): Likewise.
2112 (destroy_loop_vec_info): Likewise.
2113 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2114 (create_stmt_ann): Likewise.
2115 (create_tree_ann): Rename to ...
2116 (create_tree_common_ann): ... this one; allocate only the common part
2118 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2119 (get_value_handle): Likewise.
2120 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2121 get_tree_common_ann.
2122 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2123 (vinfo_for_stmt): Use stmt annotations.
2124 * tree-flow.h (tree_ann_common_t): New type.
2125 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2126 (tree_ann, get_tree_ann, create_tree_ann): New.
2127 * tree-flow-inline.h (get_function_ann): Do more type checking.
2128 (stmt_ann): Likewise.
2129 (tree_ann): Rename to ...
2130 (tree_common_ann): ... this one; return ony common_ann
2131 (get_tree_ann): Rename to ...
2132 (tree_common_ann): This one; return only common_ann.
2133 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2136 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2138 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2139 with_cpu by default.
2141 * dwarf2out.c (dwarf_file_data): New.
2142 (enum dw_val_class): Add dw_val_class_file.
2143 (struct dw_val_struct): Add val_file.
2144 (file_table): Change to a hash table.
2145 (file_table_emitted): Delete.
2146 (file_table_last_lookup_index): Delete.
2147 (emitcount): Delete.
2148 (last_emitted_file): New.
2149 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2150 (init_file_table): Delete.
2151 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2152 (AT_addr): Add comment.
2156 (print_die): Handle dw_val_class_file.
2157 (print_dwarf_line_table): Update for new file table structure.
2158 (attr_checksum): Do checksum a filename.
2159 (same_dw_val_p, same_attr_p): Do compare a filename.
2160 (size_of_die): Handle dw_val_class_file.
2161 (value_format): Likewise.
2162 (output_die): Likewise. Also, call maybe_emit_file here.
2163 (struct file_info): Constify filenames. Make file_idx a pointer
2164 to a struct dwarf_file_data.
2165 (struct dir_info): Constify directory names. Remove 'used' field.
2166 (struct file_name_acquire_data): New.
2167 (file_name_acquire): New.
2168 (output_file_names): Modify to handle new file data structures.
2169 (add_src_coords_attributes): Use add_AT_file.
2170 (add_call_src_coords_attributes): Likewise.
2171 (dwarf2out_imported_module_or_decl): Likewise.
2172 (gen_subprogram_die): Modify for new file data structures.
2173 (gen_variable_die): Likewise.
2174 (file_table_eq): New.
2175 (file_table_hash): New.
2176 (file_table_last_lookup): New.
2177 (lookup_filename): Rewrite to handle new file data structures.
2178 (maybe_emit_file): Rewrite to handle new file data structures.
2179 (dwarf2out_source_line): Always call lookup_filename and
2181 (dwarf2out_init): Create file_table here.
2182 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2183 (file_table_relative_p): New.
2184 (dwarf2out_finish): Change detection of relative filenames
2185 to work with new file data structures. Move output_line_info call
2186 after debug_info output.
2188 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2193 * config/i386/i386.c (override_options): Always default to 16
2194 byte stack boundary.
2196 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2199 * var-tracking.c (dump_dataflow_set): Start dumping at
2201 (clobber_variable_part): Kill only the variable part in
2202 registers holding it, leaving other variables alone.
2204 2006-09-11 Josh Triplett <josh@freedesktop.org>
2206 * doc/extend.texi (Other Builtins): Actually use the macro
2207 argument in the documentation example for
2208 __builtin_types_compatible_p.
2210 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2212 PR rtl-optimization/28726
2213 * sched-deps.c (sched_analyze_reg): New function extracted from...
2214 (sched_analyze_1): ...here. Call it to analyze references to
2215 registers. Treat again writes to a stack register as writing to the
2217 (sched_analyze_2): ...and here. Call it to analyze references to
2218 registers. Treat again reads of a stack register as reading the
2221 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2222 David Edelsohn <edelsohn@gnu.org>
2225 * config/rs6000/spe.md (frob_df_di): Remove %H.
2226 (frob_di_df): Remove %H. Change evmergelo to mr.
2227 (frob_di_df_2): Remove %H. Change evldd to two loads.
2229 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2231 * doc/cpp.texi: Fix names of charset options.
2233 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2236 * config/i386/i386.c (override_options): Use 128-bit
2237 stack boundary always for 64bits.
2239 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2241 PR rtl-optimization/28636
2242 * combine.c (force_to_mode): Test for side-effects before
2243 substituting by zero.
2244 (simplify_shift_const): Likewise for zero or other constants.
2246 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2249 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2252 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2255 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2256 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2257 returned by mode_for_size, rather than the mode of src itself,
2258 to choose between 32-bit and 64-bit patterns.
2259 (mips_mem_fits_mode_p): New function.
2260 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2261 that the size of the source matches the size of the destination.
2262 (mov_<store>l, mov_<store>r): Likewise.
2264 2006-09-10 Eric Christopher <echristo@apple.com>
2266 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2269 2006-09-09 Eric Christopher <echristo@apple.com>
2272 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2275 2006-09-09 Roger Sayle <roger@eyesopen.com>
2276 Nicolas Setton <setton@adacore.com>
2278 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2280 2006-09-10 Andreas Schwab <schwab@suse.de>
2282 * config/m68k/m68k.md (bungt_rev): New pattern.
2284 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2285 Dale Johannesen <dalej@apple.com>
2288 * regclass.c (struct reg_pref): Update documentation.
2289 (regclass): Set prefclass to NO_REGS if memory is the best option.
2290 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2292 2006-09-08 Eric Christopher <echristo@apple.com>
2294 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2295 * config/t-slibgcc-darwin: Support x86_64 multilib.
2296 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2297 Return 1 for x86_64-darwin.
2298 * config/i386/t-darwin: Add m64 multilib.
2299 (LIB2_SIDITI_CONV_FUNCS): Use.
2300 (LIB2FUNCS_EXTRA): Ditto.
2301 * config/i386/darwin.h: Support x86_64.
2302 * config/i386/i386.c (override_options): Turn on flag_pic
2303 for x86_64-darwin. Disable flag_omit_pointer.
2304 (get_pc_thunk_name): Assert !TARGET_64BIT.
2305 (legitimate_address_p): Disable machopic addressing for
2307 (legitimize_pic_address): Ditto.
2308 (ix86_expand_move): Ditto.
2309 (ix86_expand_call): Ditto.
2310 (machopic_output_stub): Ditto.
2311 * config/darwin.c (machopic_select_section): Support literal16.
2312 (machopic_select_rtx_section): Ditto.
2313 * config/darwin-sections.def: Ditto.
2314 * config/darwin-64.c: New.
2316 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2319 * c-tree.h (struct c_arg_info): Add pending_sizes.
2320 * c-parser.c (c_parser_parms_declarator,
2321 c_parser_parms_list_declarator): Initialize pending_sizes.
2322 * c-decl.c (get_parm_info): Initialize pending_sizes.
2323 (get_parm_info): Set pending_sizes.
2324 (grokdeclarator): Call put_pending_sizes for parameters for
2325 function definition only.
2327 2006-09-07 Jason Merrill <jason@redhat.com>
2330 * varasm.c (output_constant): Only strip actual no-op conversions.
2333 * config/i386/i386.c (override_options): Use 128-bit
2334 stack boundary if -msse.
2336 2006-09-07 Eric Christopher <echristo@apple.com>
2338 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2340 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2343 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2345 * dwarf2out.c: Remove strange characters from comment above
2346 dwarf2out_frame_debug_expr.
2348 2006-09-07 Eric Christopher <echristo@apple.com>
2350 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2351 * config/darwin.h: ... to here.
2353 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2355 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2357 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2358 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2360 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2361 TARGET_PARTIAL_FLAG_REG_STALL.
2362 (*ashldi3_cconly_rex64): Likewise.
2363 (*ashlsi3_cmp): Likewise.
2364 (*ashlsi3_cconly): Likewise.
2365 (*ashlsi3_cmp_zext): Likewise.
2366 (*ashlhi3_cmp): Likewise.
2367 (*ashlhi3_cconly): Likewise.
2368 (*ashlqi3_cmp): Likewise.
2369 (*ashlqi3_cconly): Likewise.
2370 (*ashrdi3_cmp_rex64): Likewise.
2371 (*ashrdi3_cconly_rex64): Likewise.
2372 (*ashrsi3_cmp): Likewise.
2373 (*ashrsi3_cconly): Likewise.
2374 (*ashrsi3_cmp_zext): Likewise.
2375 (*ashrhi3_cmp): Likewise.
2376 (*ashrhi3_cconly): Likewise.
2377 (*ashrqi3_cmp): Likewise.
2378 (*ashrqi3_cconly): Likewise.
2379 (*lshrdi3_cmp_rex64): Likewise.
2380 (*lshrdi3_cconly_rex64): Likewise.
2381 (*lshrsi3_cmp): Likewise.
2382 (*lshrsi3_cconly): Likewise.
2383 (*lshrsi3_cmp_zext): Likewise.
2384 (*lshrhi3_cmp): Likewise.
2385 (*lshrhi3_cconly): Likewise.
2386 (*lshrqi2_cmp): Likewise.
2387 (*lshrqi2_cconly): Likewise.
2389 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2392 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2393 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2394 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2395 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2396 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2397 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2398 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2399 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2400 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2401 implement only CC setting effects of shift instructions.
2403 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2405 * doc/contrib.texi: Add myself.
2407 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2410 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2411 was set by the user.
2413 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2416 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2417 (divsi_inv_m1): Use them.
2418 (UNSPEC_DIV_INV_TABLE): New constant.
2420 2006-09-06 James E Wilson <wilson@specifix.com>
2423 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2424 then call count_or_remove_death_notes.
2426 2006-09-06 Jason Merrill <jason@redhat.com>
2429 * tree-inline.c (copy_result_decl_to_var): New fn.
2430 (declare_return_variable): Use it. Call declare_inline_vars here.
2431 (expand_call_inline): Not here.
2433 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2435 * doc/contrib.texi: Update my entry.
2437 2006-09-06 Nick Clifton <nickc@redhat.com>
2439 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2441 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2444 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2445 (canonicalize_induction_variables): Likewise.
2446 (tree_unroll_loops_completely): Likewise.
2447 (tree_ssa_prefetch_arrays): Likewise.
2448 (remove_empty_loops): Likewise.
2449 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2450 TODO_cleanup_cfg instead of directly calling
2451 cleanup_tree_cfg_loop.
2452 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2454 (tree_unroll_loops_completely): Likewise.
2455 (remove_empty_loops): Likewise.
2456 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2457 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2458 of tree_ssa_unswitch_loops.
2459 (tree_ssa_loop_ivcanon): Use the return value of
2460 canonicalize_induction_variables.
2461 (tree_ssa_empty_loop): Use the return value of
2463 (tree_complete_unroll): Use the return value of
2464 tree_unroll_loops_completely.
2465 (tree_ssa_loop_prefetch): Use the return value of
2466 tree_ssa_prefetch_arrays.
2467 * passes.c (execute_todo): Before Cleanup CFG, set
2468 updating_used_alone and after cleanup CFG, call
2469 recalculate_used_alone.
2471 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2474 * tree-vect-transform.c (vectorizable_condition): Move the check
2475 for the type after the check for simple condition.
2477 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2478 Kaz Kojima <kkojima@gcc.gnu.org>
2481 * mode-switching.c (optimize_mode_switching): Make the destination
2482 block of an abnormal edge have no anticipatable mode. Don't
2483 insert mode switching code at the end of the source block of
2486 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2488 PR rtl-optimization/26847
2489 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2490 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2491 (simplify_plus_minus): Count n_constants while filling ops. Replace
2492 qsort with insertion sort. Before going through the array to simplify
2493 pairs, sort it. Delay early exit until after the first sort, exiting
2494 only if no swaps occurred. Simplify pairs in reversed order, without
2495 special-casing the first iteration. Pack ops after simplifying pairs.
2497 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2499 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2500 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2501 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2502 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2504 2006-09-05 Richard Guenther <rguenther@suse.de>
2506 PR tree-optimization/28900
2507 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2508 compound conditional before creating COND_EXPR condition.
2510 2006-09-05 Richard Guenther <rguenther@suse.de>
2512 PR tree-optimization/28905
2513 * tree-vrp.c (fix_equivalence_set): Manually implement
2514 !value_ranges_intersect_p to also handle symbolic ranges.
2516 2006-09-05 Richard Guenther <rguenther@suse.de>
2519 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2522 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2524 PR rtl-optimization/27616
2525 * cse.c (table_size): New static variable.
2526 (new_basic_block): Initialize it to 0.
2527 (remove_from_table): Decrement it.
2528 (insert): Increment it.
2529 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2530 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2531 fold_rtx_mem_1 if under the cap.
2532 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2533 the lookup of the equivalent expression and test for equality of the
2534 first operand of the equivalent expression before in turn looking up
2535 an equivalent constant for the second operand.
2537 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2540 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2541 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2542 pointer, instead of assuming it is possible to derive the
2543 correct args size from a call insn.
2545 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2548 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2549 (fold_builtin_mempcpy): Rename to...
2550 (fold_builtin_memory_op): ... this. Optimize one element copy
2552 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2554 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2555 (expand_builtin_memcpy, expand_builtin_mempcpy,
2556 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2557 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2558 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2559 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2561 2006-09-01 DJ Delorie <dj@redhat.com>
2563 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2564 (stzx_16): Likewise.
2565 ("stzx_24_<mode>"): Likewise.
2566 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2567 ("cmp<mode>_op"): New.
2568 (cmp<mode>): Change to expander; just save operands.
2570 (b<code>): Change to expander, emit compare here.
2571 (s<code>_op): Change to use split and expander.
2572 (s<code>_24_op): Likewise.
2573 (s<code>_<mode>): New.
2574 (s<code>_<mode>_24): New.
2575 (movqicc_<code>_<mode): New.
2576 (movhicc_<code>_<mode>): New.
2579 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2580 (m32c_pend_compare): New.
2581 (m32c_unpend_compare): New.
2582 (m32c_expand_scc): New.
2583 (m32c_expand_movcc): Emit the compare also.
2584 * config/m32c/predicates.md (mra_nopp_operand): New.
2586 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2587 Richard Guenther <rguenther@suse.de>
2588 Adam Nemet <anemet@caviumnetworks.com>
2591 * builtins.c (get_pointer_alignment): Handle more forms
2592 of base addresses that can be used to derive more precise
2593 information about alignment.
2595 2006-09-01 Jason Merrill <jason@redhat.com>
2598 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2601 * gimplify.c (voidify_wrapper_expr): Handle null type.
2603 2006-09-01 Josh Conner <jconner@apple.com>
2606 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2607 (execute_return_slot_opt): Use it.
2609 2006-08-31 Josh Conner <jconner@apple.com>
2612 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2613 returning aggregates.
2615 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2617 PR tree-optimization/28839
2618 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2619 blocks in that phi arguments appear.
2621 2006-08-31 Roger Sayle <roger@eyesopen.com>
2624 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2625 NULL, otherwise use an advance_loc4 to adjust relative to the
2627 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2628 (dwarf2out_switch_text_section): Reset the current label to avoid
2629 using advance_loc4 over section boundaries.
2631 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2634 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2635 r12 + SYMBOLIC_CONST.
2637 2006-08-30 Richard Guenther <rguenther@suse.de>
2639 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2641 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2643 PR rtl-optimization/27735
2644 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2645 Add new argument to keep track of whether an irreducible region
2646 was affected. All callers changed.
2647 (fix_irreducible_loops): Removed.
2648 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2649 flags were invalidated.
2651 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2653 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2654 instead of SF operands.
2655 (*fop_df_comm_sse): Likewise.
2656 (*fop_df_comm_i387): Likewise.
2657 (*fop_df_1_mixed): Likewise.
2658 (*fop_df_1_sse): Likewise.
2660 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2661 J"orn Rennecke <joern.rennecke@st.com>
2663 PR tree-optimization/17506
2664 * tree-ssa.c (warn_uninit): If warning about a location outside of
2665 the current function, note where the variable was declared.
2667 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2669 PR tree-optimization/28411
2670 * double-int.c (double_int_div): Use double_int_divmod.
2671 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2672 double_int_mod, double_int_smod, double_int_umod): New functions.
2673 * double-int.h (double_int_divmod, double_int_sdivmod,
2674 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2676 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2678 (get_computation_aff, get_computation_cost_at): Handle double_int
2679 return type of constant_multiple_of.
2681 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2684 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2685 an implicit conversion.
2687 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2689 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2691 2006-08-27 Roger Sayle <roger@eyesopen.com>
2693 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2696 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2698 * config/i386/crtfastmath.c: Fix a comment typo.
2700 2006-08-26 Roger Sayle <roger@eyesopen.com>
2702 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2703 temporary visit flags on CASE_LABEL_EXPRs.
2704 * c-common.c (match_case_to_enum): Add function comment. Avoid
2705 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2706 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2707 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2708 a constant, only warn if that constant value isn't handled.
2710 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2713 * input.h (restore_input_file_stack): Declare.
2714 (INPUT_FILE_STACK_BITS): Define.
2715 * toplev.c (fs_p, input_file_stack_history,
2716 input_file_stack_restored, restore_input_file_stack): New.
2717 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2718 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2719 (pop_srcloc): Don't free old state of stack.
2721 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2724 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2725 (PowerPC Type Attributes): New.
2727 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2729 * config/xtensa/xtensa.c (function_arg_boundary): New.
2730 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2732 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2733 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2735 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2738 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2741 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2743 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2744 (verify_local_live_at_start): Likewise.
2746 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2749 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2750 omp_add_variable): Treat sizes as variable whenever not
2753 2006-08-26 Richard Guenther <rguenther@suse.de>
2756 * fold-const.c (fold_binary): Fold temporary to correct
2757 type before constructing new comparison.
2759 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2762 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2763 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2765 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2768 * c-decl.c (start_function): Don't try to process prototype
2769 information from old declaration that isn't a function.
2771 2006-08-25 Jan Hubicka <jh@suse.cz>
2774 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2776 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2779 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2782 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2784 PR tree-optimization/16876
2785 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2786 exit if PARM doesn't match VALUE.
2788 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2790 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2791 literal_prefix directive.
2792 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2793 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2794 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2796 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2799 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2800 predicate to general_operand. Add 0->y and I->r alternatives.
2802 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2804 * doc/tm.texi: Fix a typo.
2805 * predict.c: Fix comment typos.
2807 2006-08-25 Nick Clifton <nickc@redhat.com>
2809 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2810 assertions of "cpu" and "machine".
2812 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2815 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2816 the access through a base which has an alias set of 0 cannot
2819 2006-08-24 Bill Wendling <wendling@apple.com>
2821 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2823 2006-08-24 Jan Hubicka <jh@suse.cz>
2825 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2827 2006-08-24 Jan Hubicka <jh@suse.cz>
2830 * cgraph.c: Fix comments.
2831 (cgraph_varpool_mark_needed_node): Mark only variables not already
2833 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2834 (cgraph_varpool_assembled_nodes_queue): New static variable.
2835 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2836 (cgraph_varpool_output_debug_info): New function.
2837 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2838 * Makefile.in: Add gt-cgraphunit.h
2840 2006-08-24 Jan Hubicka <jh@suse.cz>
2842 * predict.c (probability_reliable_p): New predicate.
2843 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2844 (predict_loops): Do not predict loop exit with less than 2%
2846 * basic-block.h (edge_probability_reliable_p,
2847 br_prob_note_reliable_p): Declare.
2848 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2849 prediction when static predictor is not reliable.
2850 * rs6000.c (output_cbranch): Likewise.
2852 2006-08-23 Stuart Hastings <stuart@apple.com>
2855 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2856 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2858 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2861 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2862 complex values, nor for generic vector values.
2864 2006-08-22 Richard Guenther <rguenther@suse.de>
2867 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2868 parameter. Convert arguments to arithmetic expression to the
2870 (analyze_scalar_evolution_1): Adjust caller.
2872 2006-08-22 Jan Hubicka <jh@suse.cz>
2874 Patch by Paolo Bonzini
2875 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2878 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2880 PR tree-optimization/28003
2881 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2882 before grouping aliases.
2884 2006-08-22 Roger Sayle <roger@eyesopen.com>
2886 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2887 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2889 2006-08-21 Jason Merrill <jason@redhat.com>
2892 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2893 wrapper. Loop to handle nested wrappers.
2894 (gimplify_bind_expr): Remove temp parameter.
2895 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2896 and STATEMENT_LIST on the rhs.
2897 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2898 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2899 (gimplify_target_expr): Remove special BIND_EXPR handling.
2901 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2903 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2906 2006-08-21 Olivier Hainque <hainque@adacore.com>
2908 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2909 Arrange for the temporary captures of components overlapping the lhs
2910 to happen before the lhs is possibly cleared.
2912 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2914 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2915 necessary places to pass the correct "number of registers" values
2918 2006-08-20 Jan Hubicka <jh@suse.cz>
2920 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2921 (create_name_tags): Instead of quadratic checking use hashtable.
2922 * bitmap.h: Include hashtab.h.
2923 (bitmap_hash): Declare.
2924 * bitmap.c (bitmap_hash): New function.
2926 2006-08-20 Jan Hubicka <jh@suse.cz>
2928 PR rtl-optimization/28071
2929 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2931 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2932 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2933 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2934 cgraph_decide_inlining_incrementally): Update use of
2935 cgraph_check_inline_limits.
2936 * cgraph.c (edge_hash, edge_eq): New function.
2937 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2938 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2939 cgraph_remove_node): Maintain call site hash.
2940 * cgraph.h (struct cgraph_node): Add call_site_hash.
2941 (cgraph_set_call_stmt): New function.
2943 2006-08-20 Jan Hubicka <jh@suse.cz>
2945 PR rtl-optimization/28071
2946 * reload1.c (reg_has_output_reload): Turn into regset.
2947 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2948 choose_reload_regs, emit_reload_insns): Update to new
2949 reg_has_output_reload.
2951 2006-08-20 Jan Hubicka <jh@suse.cz>
2954 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2955 function body sizes.
2956 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2958 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2961 * tree.c (handle_dll_attribute): Return early if not a
2962 var or function decl.
2964 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2967 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2968 alignment of SPE vector types.
2970 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2972 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2974 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2977 * cgraph.h (struct cgraph_node): Remove externally_visible
2979 * cgraphunit.c (process_function_and_variable_attributes): Set
2980 local.externally_visible rather than externally_visible.
2983 * c-common.c (handle_externally_visible_attribute): First look
2984 at TREE_CODE and only if it is function or var decl, check for
2985 non-public objects. Don't warn for DECL_EXTERNAL.
2986 * cgraphunit.c (process_function_and_variable_attributes): Warn
2987 if externally_visible attribute is used on non-public object.
2989 2006-08-17 Jan Hubicka <jh@suse.cz>
2991 PR tree-optimization/27865
2992 * reload1.c (forget_marked_reloads): New function.
2993 (forget_old_reloads_1): When data are passed, just mark the registers
2995 (reload_as_needed): Use the new mechanizm.
2997 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3000 * reload.h (reg_equiv_alt_mem_list): New declaration.
3001 * reload1.c (reg_equiv_alt_mem_list): New definition.
3002 (reload): Initialize it and release it.
3003 (delete_output_reload): Use it.
3004 * reload.c (push_reg_equiv_alt_mem): New function.
3005 (find_reloads_toplev): Call it.
3006 (find_reloads_address, find_reloads_address_1): Likewise.
3007 (find_reloads_subreg_address): Likewise.
3009 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3011 PR rtl-optimization/28489
3012 * sched-ebb.c (begin_schedule_ready): Create basic block
3014 (advance_target_bb): Skip empty blocks.
3015 * haifa-sched.c (bb_note): Make global.
3016 * sched-int.h (bb_note): Add prototype.
3018 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3020 PR tree-optimization/27865
3021 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3023 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3024 fold_used_pointer, pointer_used_p): New functions.
3025 (analyze_scalar_evolution_1): Use fold_used_pointer.
3026 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3027 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3030 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3033 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3034 or the INTEGER_CST. Fail on a CALL_EXPR.
3035 (fold_offsetof): Pass new argument to fold_offsetof_1.
3036 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3037 operand into an INDIRECT_REF.
3038 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3040 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3042 PR gcov/profile/26570
3043 * value-prof.c (static_values): Removed.
3044 (tree_find_values_to_profile): Do not set static_values.
3045 (find_values_to_profile): Do not free static_values.
3046 * profile.c (instrument_values): Do not free the values.
3047 (branch_prob): Free the values.
3049 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3051 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3053 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3056 * c-typeck.c (build_component_ref): Combine qualifiers of
3057 structure or union and field.
3059 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3061 PR rtl-optimization/28071
3062 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3063 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3064 * tree-into-ssa.c (struct dom_dfsnum): New.
3065 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3067 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3068 compute_global_livein.
3069 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3070 in phi nodes in the correct blocks.
3072 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3074 PR tree-optimization/28364
3075 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3077 (fold_affine_expr): New function.
3078 (may_eliminate_iv): Use fold_affine_expr.
3080 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3083 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3086 2006-08-16 Mike Stump <mrs@apple.com>
3088 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3089 * doc/cppopts.texi (-MD): Likewise.
3091 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3094 * c-common.c (handle_weak_attribute): Ignore and warn if
3095 not a FUNCTION_ or VAR_DECL.
3097 2006-07-15 Mike Stump <mrs@apple.com>
3100 * c-parser.c (c_parser_typeof_specifier): Don't use
3101 c_finish_expr_stmt, open code desired semantics instead.
3103 2006-08-15 Nick Clifton <nickc@redhat.com>
3105 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3106 fragment to tmake_file only if threads are enabled.
3107 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3108 * config/i386/t-gthr-win32: New file. ... here.
3110 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3113 * c-parser.c (c_parser_compound_statement_nostart): Reset
3114 parser->error after each statement.
3116 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3119 * omp-low.c (lower_omp_parallel): Convert t to
3120 receiver_decl's type.
3121 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3122 source before comparison.
3125 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3126 to itype in assignment to oldival2.
3128 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3132 * c-typeck.c (build_compound_expr): If the second expression
3133 is an error mark, then just return an error mark instead of
3134 creating a COMPOUND_EXPR.
3136 2006-07-14 Mike Stump <mrs@apple.com>
3138 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3140 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3142 * c-decl.c, var-tracking.c: Fix comment typos.
3144 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3146 PR rtl-optimization/28634
3147 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3148 for floating-point modes unless flag_unsafe_math_optimizations.
3150 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3151 Andrew Pinski <pinskia@physics.uc.edu>
3154 * tree.c (build_array_type): Unify array types with
3155 unspecified index_type.
3156 * c-decl.c (grokdeclarator): Make sure we do not modify a
3157 unified incomplete array type.
3158 * c-typeck.c (store_init_value): Create distinct type before
3159 filling in the index type in an initializer from a compound
3162 * c-decl.c (grokdeclarator): Remove code where we copy the
3165 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3167 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3168 into account for TODO_dump_cgraph.
3169 (TODO_update_ssa_no_phi): Likewise.
3170 (TODO_update_ssa_full_phi): Likewise.
3171 (TODO_update_ssa_only_virtuals): Likewise.
3172 (TODO_remove_unused_locals): Likewise.
3173 (TODO_set_props): Likewise.
3174 (TODO_update_stmt_usage): Likewise.
3176 2006-08-13 Dirk Mueller <dmueller@suse.de>
3178 * c-common.c (strict_aliasing_warning): Fix formatting.
3180 2006-08-13 Matthias Klose <doko@debian.org>
3182 * doc/invoke.texi: Fix spelling errors.
3184 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3186 PR rtl-optimization/23454
3187 * reorg.c (relax_delay_slots): Update comment.
3189 2006-08-11 Richard Guenther <rguenther@suse.de>
3192 * simplify-rtx.c (simplify_const_relational_operation):
3193 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3196 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3198 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3199 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3201 2006-08-10 Paul Brook <paul@codesourcery.com>
3203 * final.c (final_scan_insn): Clear current_insn_predicate before
3204 outputting inline asm.
3206 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3208 PR tree-optimization/26197
3209 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3210 get_ref_base_and_extent and overlap_subvar to add only relevant
3211 subvars as may-aliases.
3212 (add_may_alias_for_new_tag): New function, factored out of
3214 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3215 with additional argument.
3216 * tree-flow.h (new_type_alias): Takes additional argument.
3218 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3220 * gcov.c (no_data_file): New flag.
3221 (read_count_file): Set it if data file not present. Assume counts
3223 (output_lines): Don't name the data file, if there wasn't one.
3225 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3227 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3228 (rs6000_generate_compare): Tweak comments.
3229 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3231 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3233 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3234 (var_debug_decl): New function.
3235 (var_reg_set): Follow debug decl link. Add location even if
3236 reg is already known to hold some other variable.
3237 (var_mem_set): Follow debug decl link.
3238 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3239 decl link. Delete other known locations of the variable part
3241 (var_reg_delete, var_mem_delete): Delete other known locations
3242 of the variable part if requested.
3243 (same_variable_part_p): New function.
3244 (add_stores): Select MO_COPY when appropriate.
3245 (vt_initialize): Handle it.
3246 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3247 known locations for MO_SET and MO_CLOBBER.
3248 (find_variable_location_part): New function.
3249 (set_variable_part, delete_variable_part): Use it.
3250 (clobber_variable_part): New function.
3251 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3254 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3256 PR tree-optimization/26969
3257 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3258 with an empty list of PHIs.
3260 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3264 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3267 2006-08-06 Andreas Schwab <schwab@suse.de>
3269 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3270 string. Whitespace and comment fixup.
3272 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3275 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3279 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3282 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3284 2006-08-04 Jan Hubicka <jh@suse.cz>
3288 * reload.c (push_reload): Patch out the mismatching instruction;
3290 (find_reload): Bail out if the instruction was patched out.
3292 2006-08-04 Jan Hubicka <jh@suse.cz>
3294 PR tree-optimization/24888
3295 * tree-inline.c (expand_call_inline): Do not re-record variables.
3296 (declare_inline_vars): Add variable to unexpanded_var_list.
3298 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3299 Roger Sayle <roger@eyesopen.com>
3301 PR rtl-optimization/26244
3302 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3303 inner_const are negative or greater than or equal to the bitsize of
3304 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3305 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3306 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3307 CONST0_RTX (mode) when the new shift count is greater than or equal to
3308 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3311 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3313 * tree-cfg.c: Fix a comment typo.
3315 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3318 * varasm.c (output_constant): Give the front end another chance to
3319 expand constants, after stripping NOPs.
3321 2006-08-03 Jan Hubicka <jh@suse.cz>
3323 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3326 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3328 PR tree-optimization/27770
3329 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3330 declaration removed (moved to tree-flow.h).
3331 (vect_can_force_dr_alignment_p): Likewise.
3332 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3333 (moved from tree-vectorizer.h).
3334 (vect_can_force_dr_alignment_p): Likewise.
3335 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3336 from outside the vectorizer - in particular from cgraph stage.
3337 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3338 the alignment of global arrays when -fsection-anchors is enabled.
3339 * cgraphunit.c (cgraph_increase_alignment): New function.
3340 (cgraph_optimize): Call cgraph_increase_alignment.
3342 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3345 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3346 not reload a SPE symbol_ref into a lo_sum address.
3348 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3351 * dwarf2out.c (prune_unused_types_prune): Move call to
3352 prune_unused_types_update_strings to cover the parent DIE also.
3354 2006-08-02 Jan Hubicka <jh@suse.cz>
3356 PR gcov/profile/28480
3357 * tree-cfg.c (change_bb_for_stmt): New function.
3358 (tree_merge_blocks, tree_split_blocks): Use it.
3360 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3366 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3367 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3368 (cgraph_optimize): Likewise.
3370 2006-08-01 Stuart Hastings <stuart@apple.com>
3372 * rtl.h (UINTVAL) New.
3373 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3374 * testsuite/gcc.dg/20060801-1.c: New.
3376 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3379 * c-typeck.c (build_external_type): Mark used enum types.
3380 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3382 (gen_subprogram_die): Whitespace fix.
3384 2006-08-01 Jan Hubicka <jh@suse.cz>
3386 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3387 bitmap when not needed.
3388 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3391 2006-08-01 Dirk Mueller <dmueller@suse.de>
3393 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3395 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3397 * Makefile.in: Revert part of previous patch:
3398 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3401 2006-07-30 Eric Christopher <echristo@apple.com>
3404 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3405 (PowerPC Variable Attributes): New section.
3407 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3409 PR target/28126 (partial fix)
3410 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3412 2006-07-28 Jan Hubicka <jh@suse.cz>
3414 PR rtl-optimization/28071
3415 * cfgrtl.c (rtl_delete_block): Free regsets.
3416 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3418 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3420 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3421 and variables used in dependencies.
3423 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3425 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3426 %fs for -mcmodel=kernel.
3427 (stack_tls_protect_test_di): Likewise.
3429 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3431 * Makefile.in: Use mkinstalldirs.
3433 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3436 * opts-common.c (prune_options): Skip joined switches.
3438 2006-07-27 Jan Hubicka <jh@suse.cz>
3440 PR rtl-optimization/28071
3441 * cselib.c (cselib_process_insn): Don't remove useless values too
3442 often for very large hashtables.
3444 2006-07-27 Jan Hubicka <jh@suse.cz>
3446 PR rtl-optimization/28071
3447 * global.c (greg_obstack): New obstack.
3448 (allocate_bb_info): Use it.
3449 (free_bb_info): Likewise.
3450 (modify_reg_pav): Likewise.
3452 2006-07-27 Roger Sayle <roger@eyesopen.com>
3454 * builtins.c (fold_fixed_mathfn): When long and long long are the
3455 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3456 functions to their lceil*, lfloor*, lround* and lrint* forms.
3458 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3461 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3463 (rev_branch_insn): Likewise.
3465 2006-07-27 Jan Hubicka <jh@suse.cz>
3467 PR rtl-optimization/28071
3468 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3469 (reg_set_in_bb, max_reg_computed): New static variables.
3470 (regmove_optimize): Free the new array.
3471 (fixup_match_1): Update call of reg_is_remote_constant_p.
3473 2006-07-26 Jan Hubicka <jh@suse.cz>
3475 PR tree-optimization/27882
3476 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3478 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3480 (cgraph_analyze_compilation_unit): Likewise.
3481 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3482 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3483 (cgraph_early_inlinine): Make order garbage collected.
3484 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3486 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3488 * dbxout.c (output_types_sort): Add a comment.
3489 (output_used_types): Free the VEC.
3491 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3493 * function.c (reorder_fix_fragments): Delete.
3494 (reorder_blocks): Don't call it.
3495 (reorder_blocks_1): Put all subblocks under the origin block.
3497 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3499 PR rtl-optimization/27907
3500 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3503 2006-07-25 Roger Sayle <roger@eyesopen.com>
3506 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3507 bar(x) check that bar's result type can represent all the values of T.
3509 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3511 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3513 2006-07-25 Nick Clifton <nickc@redhat.com>
3515 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3516 size_lookup[] array.
3517 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3518 (ggc_pch_count_object): Likewise.
3519 (ggc_pch_alloc_object): Likewise.
3520 (ggc_pch_write_object): Likewise.
3521 (init_ggc): Do not attempt to initialize entries in the
3522 size_lookup[] array for objects whose size is greater than than
3523 the length of the array.
3525 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3527 * dbxout.c (output_used_types_helper): Push queued types
3529 (output_types_sort): New.
3530 (output_used_types): Collect used types on a VEC and sort them
3533 2006-07-24 Richard Guenther <rguenther@suse.de>
3536 * cgraph.c (cgraph_remove_node): Do not check if dumps
3538 * cgraphunit.c (cgraph_optimize): Likewise.
3540 2006-07-24 Jan Hubicka <jh@suse.cz>
3542 PR rtl-optimization/28071
3543 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3544 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3545 splitting before first stmt.
3547 2006-07-24 Jan Hubicka <jh@suse.cz>
3549 PR rtl-optimization/28071
3550 * ipa-inline.c (update_caller_keys): Remove edges that
3551 are no longer inline candidates.
3553 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3556 * dbxout.c (output_used_types_helper, output_used_types): New.
3557 (dbxout_symbol): Call output_used_types.
3559 2006-07-23 Jan Hubicka <jh@suse.cz>
3563 * cgraph.c (cgraph_varpool_nodes): Export.
3564 (decide_is_variable_needed): Ignored "used" attribute in
3565 unit-at-a-time mode.
3566 * cgraph.h (cgraph_varpool_nodes): Declare.
3567 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3568 unit-at-a-time mode.
3570 2006-07-23 Roger Sayle <roger@eyesopen.com>
3573 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3574 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3575 the __gthrw form of thr_keycreate.
3576 (__gthread_key_delete): Silence the unused argument warning.
3578 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3581 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3582 Cache the last found '\0' marker to avoid quadratic behavior.
3584 2006-07-23 Jan Hubicka <jh@suse.cz>
3586 * i386.md (subsi_3_zext): Fix output template.
3588 2006-07-21 Mike Stump <mrs@apple.com>
3590 * doc/invoke.texi (C++ Dialect Options): Note that
3591 -fvisibility-inlines-hidden doesn't affect explicitly
3592 instantiationed inline methods.
3594 2006-07-20 Roger Sayle <roger@eyesopen.com>
3596 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3597 if the target assembler is GNU binutils' gas.
3598 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3599 whether to pass GNU gas or native as command line options.
3601 2006-07-20 Jason Merrill <jason@redhat.com>
3603 * tree.c (remove_attribute): New fn.
3604 * tree.h: Declare it.
3606 2006-07-20 Paul Brook <paul@codesourcery.com>
3609 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3610 they are invalidated by this instruction.
3612 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3615 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3617 2006-07-20 Eric Christopher <echristo@apple.com>
3620 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3622 2006-07-19 Eric Christopher <echristo@apple.com>
3624 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3625 Rewrite dependencies for libgcc_s.1.dylib.
3627 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3629 * except.c (duplicate_eh_regions_1): Clear next_peer.
3631 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3633 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3634 -mlongcall does not guarantee all calls will be long.
3635 * doc/extend.texi (long_call/short_call): Document that longcall
3636 does not guarantee a long call will be used.
3637 (longcall/shortcall): Likewise.
3639 2006-07-18 Roger Sayle <roger@eyesopen.com>
3642 * expmed.c (expand_shift): Additionally check that the shift_cost
3643 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3644 before implementing a LSHIFT_EXPR as a sequence of additions.
3645 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3646 middle-end that DImode shifts need to be synthesized by expand.
3648 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3651 * tree-ssa-operands.c (access_can_touch_variable): Update
3653 Return true if ALIAS is .GLOBAL_VAR.
3655 2006-07-18 David Daney <ddaney@avtrex.com>
3657 * gcc.c (display_help): Fix typo in help text.
3659 2006-07-18 Olivier Hainque <hainque@adacore.com>
3661 * tree.h (categorize_ctor_elements): Adjust prototype and add
3662 descriptive comment, both in accordance with the interface change
3664 * varasm.c (constructor_static_from_elts_p): New function.
3665 Whether a constructor node is a valid static constant initializer
3666 if all its elements are.
3667 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3668 * output.h: Declare it.
3669 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3670 is a valid constant initializer instead of computing the number of
3671 non-constant elements. Use constructor_static_from_elts_p for this
3672 purpose. Replace the head comment with an indication that this is a
3673 helper for categorize_ctor_elements.
3674 (categorize_ctor_elements): Same interface change as for the _1
3675 helper. Former head comment from this helper moved here, adjusted to
3676 account for the interface changes.
3677 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3678 (all_zeros_p): Likewise.
3679 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3680 static versions of the constructor from the categorize_ctor_elements
3681 return value instead of the formerly computed number of non-constant
3684 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3686 * configure: Regenerate.
3687 * Makefile.in (build_libsubdir): New configure substitution
3688 (build_libobjdir): New variable.
3689 (BUILD_LIBIBERTY): Use it.
3691 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3694 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3696 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3699 * c-common.c (handle_weakref_attribute): Ignore attribute in
3700 the same conditions the alias attribute is ignored.
3702 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3704 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3705 (dbxout_begin_prologue): Increment scope_labelno.
3707 2006-07-17 Richard Henderson <rth@redhat.com>
3710 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3713 2006-07-17 Roger Sayle <roger@eyesopen.com>
3714 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3716 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3717 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3718 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3719 functions such as sbrk, write, etc.. Add function prototypes.
3720 Convert function declarations from K&R to ISO C. Cast pointers
3721 to "long" and "unsigned long" instead of "int" and "unsigned int".
3722 Convert tokens following #endif into comments.
3724 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3726 * invoke.texi: Remove mention of f77; Reformat table for
3727 inline parameter options correctly; mention that -malign-double
3728 is default on x86-64 targets.
3730 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3732 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3733 (convert_affine_scev, chrec_convert_aggressive): Use
3734 avoid_arithmetics_in_type_p. Do not check for the subtypes
3737 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3740 * optabs.c (expand_doubleword_shift): Wrap the call to
3741 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3743 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3746 * optabs.c (expand_binop): Pass next_methods rather than methods
3747 to expand_doubleword_shift.
3749 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3752 * tree.h (dump_addr): Declare.
3753 * print-tree.c (dump_addr): New function.
3754 (print_node_brief, print_node): Use it.
3755 * print-rtl.c (print_rtx): Likewise.
3756 * common.opt (-fdump-noaddr): New option.
3757 * doc/invoke.texi (-fdump-noaddr): Document.
3758 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3759 (ve_info_hash): Likewise.
3761 2006-07-13 Andrew Haley <aph@redhat.com>
3763 PR tree-optimization/19505
3764 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3765 edge leaving this block, make sure that the destination of this
3766 block has only one predecessor.
3768 2006-07-17 Richard Guenther <rguenther@suse.de>
3770 PR tree-optimization/28238
3771 * tree-inline.c (copy_bb): Check if we produced valid
3772 gimple copying and substituting a stmt. If not, gimplify
3775 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3777 * optabs.c (maybe_encapsulate_block): New function extracted from...
3778 (emit_libcall_block): ...here. Invoke it on the block of insns to
3779 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3780 (emit_no_conflict_block): Likewise.
3782 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3784 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3786 2006-07-15 Roger Sayle <roger@eyesopen.com>
3788 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3789 a new NOP_EXPR case of the switch statement.
3791 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3794 * stor-layout.c (place_field): Take the bit field with
3795 an excessive size into account in the ms-bitfiled case.
3798 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3799 the previous bit field.
3801 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3804 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3806 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3808 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3809 signal frames correctly even when the signal was installed with
3812 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3814 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3815 (dbxout_function_end): Use local label LFBB. Remove hook
3817 (dbxout_source_line): Use local label LFBB.
3818 (dbxout_block): Likewise.
3819 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3820 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3821 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3822 and DBX_OUTPUT_NFUN.
3824 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3826 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3828 2006-07-13 Jan Hubicka <jh@suse.cz>
3830 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3832 * output.h (align_variable): Declare.
3833 * varasm.c (align_variable): Export.
3834 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3835 when basic block changed.
3837 2006-07-13 Nick Clifton <nickc@redhat.com>
3839 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3840 walking the LOG_LINKS chain.
3842 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3844 * doc/invoke.texi (C++ Dialect Options): Explain difference
3845 between -fvisibility-inlines-hidden and setting hidden
3846 visibility explicitly.
3848 2006-07-12 Eric Christopher <echristo@apple.com>
3850 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3851 (stmp-lipo): Depend on libgcc.a.
3853 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3855 * tree.c: Fix a comment typo.
3857 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3859 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3861 (umulhisi3_r): Likewise.
3863 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3866 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3867 x < 19, vs wchar_t support.
3869 2006-07-12 Nick Clifton <nickc@redhat.com>
3871 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3872 instead of -isa=sh4.
3874 2006-07-12 Mike Stump <mrs@apple.com>
3876 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3878 2006-07-10 Eric Christopher <echristo@apple.com>
3880 * config/t-slibgcc-darwin: Rewrite.
3882 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3885 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3888 2006-07-08 Matthias Klose <doko@debian.org>
3890 * doc/sourcebuild.texi: Fix typo.
3892 2006-07-07 Mike Stump <mrs@apple.com>
3894 * toplev.c (process_options): Don't give -ffunction-sections may
3895 affect debugging warning for Mach-O.
3897 2006-07-07 James E Wilson <wilson@specifix.com>
3899 * config/mips/mips.md (cpu): Add sb1a.
3900 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3901 addition to sb1. Adjust comments to clarify SB-1A differences from
3903 (ir_sb1a_load): New. Modify bypasses to use it.
3904 (ir_sb1a_simple_alu): Likewise.
3905 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3906 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3907 (mips_issue_rate): Add PROCESSOR_SB1A.
3908 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3909 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3910 (TARGET_SB1): Add PROCESSOR_SB1A check.
3911 (TUNE_SB1): Likewise.
3913 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3914 * config/mips/mips.c (mips_store_data_bypass_p): New.
3915 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3916 store_data_bypass_p.
3918 2006-07-08 Paul Brook <paul@codesourcery.com>
3921 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3923 2006-07-07 Richard Guenther <rguenther@suse.de>
3926 * tree.h (build_one_cst): Declare.
3927 * tree.c (build_one_cst): New function.
3928 * tree-ssa-math-opts.c (get_constant_one): Remove.
3929 (insert_reciprocals): Use build_one_cst.
3930 * fold-const.c (fold_plusminus_mult): Likewise.
3932 2006-07-07 Roger Sayle <roger@eyesopen.com>
3934 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3935 * cfgloopanal.c (dump_graph): Likewise.
3936 * dojump.c (discard_pending_stack_adjust): Likewise.
3937 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3939 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3940 * function.c (finalize_block_changes): Likewise.
3941 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3942 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3943 * rtl.c (dump_rtx_statistics): Likewise.
3944 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3946 * varray.c (dump_varray_statistics): Likewise.
3947 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3948 decode_decimal64, encode_decimal128, decode_decimal128,
3949 decimal_real_to_decimal): Likewise.
3951 2006-07-07 Richard Guenther <rguenther@suse.de>
3953 PR tree-optimization/28187
3954 * tree-vrp.c (vrp_operand_equal_p): New function.
3955 (vrp_bitmap_equal_p): Likewise.
3956 (update_value_range): Use them to compare old and new
3959 2006-07-06 Roger Sayle <roger@eyesopen.com>
3961 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3962 a default case to switch statement to silence compiler warnings.
3964 2006-07-06 Roger Sayle <roger@eyesopen.com>
3967 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3968 the configured assembler supports the x87's ffreep mnemonic.
3969 * configure: Regenerate.
3970 * config.in: Regenerate.
3972 * config/i386/i386.c (output_387_ffreep): New function.
3973 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3974 (output_387_reg_move): Likewise.
3976 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3978 Port to hosts whose 'sort' and 'tail' implementations
3979 treat operands with leading '+' as file names, as POSIX
3980 has required since 2001. However, make sure the code still
3981 works on pre-POSIX hosts.
3982 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3983 which says you should use "tail -c +N" rather than "tail +Nc".
3984 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3986 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3988 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3991 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3994 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3995 PRE_{INC,DEC} of TFmode.
3997 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3998 Alan Modra <amodra@bigpond.net.au>
4001 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4004 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4007 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4008 Remove duplicate gtu.
4010 2006-07-05 Jason Merrill <jason@redhat.com>
4014 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4015 * c-common.c (handle_packed_attribute): So don't copy it here.
4016 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4018 2006-07-05 Mike Stump <mrs@apple.com>
4020 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4022 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4025 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4027 2006-07-05 Richard Guenther <rguenther@suse.de>
4030 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4031 TARGET_SSE2 targets if using SSE math.
4032 (*absdf2_1): Likewise.
4034 2006-07-05 Richard Guenther <rguenther@suse.de>
4036 PR tree-optimization/28162
4037 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4038 make sure to convert the operands to the correct type.
4040 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4042 PR tree-optimization/28218
4044 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4045 to calculate and free the dominator information.
4047 2006-07-04 Peter O'Gorman <peter@pogma.com>
4049 * mklibgcc.in: chmod 644 before ranlib during install.
4051 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4052 J"orn Rennecke <joern.rennecke@st.com>
4054 * configure.ac (.eh_frame data check): Use diff -b.
4056 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4059 * Makefile.in (BUILD_RTL): Add build/vec.o.
4060 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4061 (build/genextract): Delete.
4062 (build/genautomata): Likewise.
4064 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4067 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4068 128-bit IBM long doubles for ABI_V4.
4070 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4072 * tree.c (range_in_array_bounds_p): New predicate.
4073 * tree.h (range_in_array_bounds_p): Declare it.
4074 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4075 return a less conservative answer.
4076 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4077 and flag 'is_group'.
4078 (IS_ELEMENT_FOR_GROUP): New macro.
4079 (FOR_EACH_ACTUAL_CHILD): Likewise.
4080 (next_child_for_group): New helper function.
4081 (can_completely_scalarize_p): Take into account groups.
4082 (sra_hash_tree): Handle RANGE_EXPR.
4083 (sra_elt_eq): Likewise.
4084 (lookup_element): Be prepared for handling groups.
4085 (is_valid_const_index): Delete.
4086 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4087 instead of is_valid_const_index.
4088 <ARRAY_RANGE_REF>: New case.
4089 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4090 is_valid_const_index.
4091 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4092 (scan_dump): Dump info for groups too.
4093 (decide_instantiation_1): Likewise.
4094 (decide_block_copy): Assert that the element is not a group.
4095 Propagate decision to groups.
4096 (generate_one_element_ref): Handle RANGE_EXPR.
4097 (mark_no_warning): Iterate over actual childs.
4098 (generate_copy_inout): Likewise.
4099 (generate_element_copy): Likewise.
4100 (generate_element_zero): Likewise.
4101 (generate_element_init_1): Likewise.
4102 (dump_sra_elt_name): Handle RANGE_EXPR.
4104 2006-07-03 Roger Sayle <roger@eyesopen.com>
4106 PR tree-optimization/26251
4107 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4108 (thread_block): When optimizing for size refuse to thread jumps
4109 that would require duplication of blocks other than redirection
4112 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4114 * configure.ac: Fix thinko in previous check-in.
4115 * configure: Regenerate.
4117 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4120 * configure.ac (for lang...): Simplify nesting of conditionals.
4121 Test subdir_requires for non-enabled languages. Move processing
4122 of lang_opt_files and lang_tree_fiels below that test.
4123 * configure: Regenerate.
4124 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4126 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4128 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4130 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4132 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4135 2006-06-29 Jason Merrill <jason@redhat.com>
4142 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4143 * c-common.c (c_determine_visibility): Handle it here.
4144 * c-decl.c (finish_decl): Call c_determine_visibility for
4146 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4148 * varasm.c (default_assemble_visibility): Likewise.
4149 * c-common.c (handle_visibility_attribute): Complain about trying
4150 to give visibility to an already defined class, or trying to change
4151 declared visibility. Always attach the attribute.
4156 * attribs.c (decl_attributes): Ignore type-in-place attributes
4157 once the type has been defined.
4159 2006-06-29 Roger Sayle <roger@eyesopen.com>
4162 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4163 to indicate the cpplib has issued an error message for us.
4165 2006-06-29 Asher Langton <langton2@llnl.gov>
4168 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4169 insert a label at the end of an function under Mach-O.
4171 2006-06-29 Eric Christopher <echristo@apple.com>
4172 Evan Cheng <evan.cheng@apple.com>
4174 * predicates.md (vector_all_ones_operand): New.
4175 (nonimmediate_or_sse_const_operand): Ditto.
4176 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4177 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4178 (standard_sse_mode_p): Ditto.
4179 (standard_sse_constant_p): Add case for -1 vector.
4180 (ix86_expand_vector_move): Try to use.
4181 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4182 Call standard_sse_constant_opcode.
4183 (*movv4sf_internal): Ditto.
4184 (*movv2df_internal): Ditto.
4186 2006-06-29 Roger Sayle <roger@eyesopen.com>
4188 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4189 of XEXP to extract the operands of a MATCH_CODE rtx.
4191 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4193 * tree.c (tree_size): Do not waste tail padding in
4194 struct tree_string and make the size be the same as
4195 build_string will generate.
4197 2006-06-28 Jason Merrill <jason@redhat.com>
4200 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4201 may_aliases already in the tag's annotations to the bitmap.
4203 2006-06-28 Roger Sayle <roger@eyesopen.com>
4205 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4207 2006-06-28 Roger Sayle <roger@eyesopen.com>
4209 * genpreds.c (generate_switch_p): New function.
4210 (add_mode_tests): Push the new mode test down inside an AND expr
4211 if this allows the switch-suitable MATCH_CODE to be near the root.
4212 (write_match_code_switch): New function to write a MATCH_CODE as
4214 (write_predicate_stmts): New function to write a predicate RTX
4215 expression as a sequence of statements.
4216 (write_one_predicate_function): Use write_predicate_stmts.
4217 (write_tm_constrs_h): Likewise.
4219 2006-06-26 Fred Fish <fnf@specifix.com>
4221 * config/mips/t-sb1: New file.
4222 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4225 2006-06-26 DJ Delorie <dj@redhat.com>
4227 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4229 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4230 Jayant Sonar <jayants@kpitcummins.com>
4231 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4233 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4234 (subsi3, subsi3_1, subsi3_2): New.
4235 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4236 * config/m32c/mov.md (SI mov peephole): New.
4237 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4238 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4240 2006-06-26 Olivier Hainque <hainque@adacore.com>
4242 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4243 a CALL_EXPR target function declaration.
4245 2006-06-26 Richard Guenther <rguenther@suse.de>
4247 * tree.c (build_string): Do not waste tail padding in
4250 2006-06-26 Richard Guenther <rguenther@suse.de>
4252 * ggc-page.c (init_ggc): Add missing element to size_lookup
4256 2006-06-23 Richard Guenther <rguenther@suse.de>
4258 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4259 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4260 alignment requests instead. Add verification code.
4261 Add struct tree_function_decl and struct tree_binfo size to
4262 extra_order_size_table. Add missing element to size_lookup
4265 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4268 * fold-const.c (const_binop): Be prepared for self returning zero.
4269 Simplify code handling complex values.
4271 2006-06-24 Olivier Hainque <hainque@adacore.com>
4273 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4274 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4277 2006-06-24 Olivier Hainque <hainque@adacore.com>
4279 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4280 ARRAY_REF, so have the callback called for the low bound expression.
4282 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4284 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4285 * c-typeck.c (c_common_type): Disallow operations on decimal float
4286 types and other float types.
4287 * convert.c (convert_to_real): Don't ignore conversions involving
4288 decimal float types.
4290 2006-06-23 Olivier Hainque <hainque@adacore.com>
4292 * tree.c (max_int_size_in_bytes): New function, inspired from
4293 code in function.c:assign_temp.
4294 * tree.h (max_int_size_in_bytes): Declare.
4295 * function.c (assign_temp): Use it.
4296 * gimplify.c (create_tmp_var): Relax the assertions on the type
4297 properties, not mandating constant size any more.
4298 (force_constant_size): New static function.
4299 (gimple_add_tmp_var): Use it, forcing variable size to a
4300 constant upper bound if it is not constant on entry.
4302 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4305 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4306 for initialization and setting of one_only flag to ...
4307 (i386_pe_encode_section_info): ...here.
4308 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4309 Recheck that the symbol has not been defined.
4311 2006-06-23 Richard Guenther <rguenther@suse.de>
4313 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4314 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4315 alignment requests instead. Add verification code.
4316 Add struct tree_function_decl and struct tree_binfo size to
4317 extra_order_size_table. Add missing element to size_lookup
4320 2006-06-22 Roger Sayle <roger@eyesopen.com>
4321 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4324 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4325 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4327 2006-06-23 Ben Elliston <bje@au.ibm.com>
4329 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4330 negate dn -- manipulate it directly.
4332 2006-06-22 Roger Sayle <roger@eyesopen.com>
4333 Steven Bosscher <stevenb.gcc@gmail.com>
4336 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4337 generated by gen_move_insn to add REG_LABEL notes if necessary.
4339 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4341 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4342 (leaf_entry): Remove use of MIN_ESA.
4344 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4346 PR rtl-optimization/28121
4347 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4350 2006-06-21 DJ Delorie <dj@redhat.com>
4352 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4354 (mulhisi3_r): Likewise.
4356 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4359 * coverage.c (coverage_counter_alloc): Leave the index type
4361 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4364 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4366 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4367 section from the "Options for Code Generation Conventions".
4369 2006-06-21 Richard Henderson <rth@redhat.com>
4373 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4375 (global_symbolic_operand): Allow weak symbols, even if local_p.
4377 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4379 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4380 (find_interesting_uses_address): Punt if above function returns true.
4382 2006-06-21 Richard Guenther <rguenther@suse.de>
4384 * configure: Regenerated.
4386 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4388 * config/mips/mips.c (function_arg): Where one part of a
4389 complex argument is in registers and the other part in the stack,
4390 return a REG not a PARALLEL.
4392 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4394 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4395 when cross-compiling. Do not substitute libstdcxx_incdir.
4396 * configure: Regenerated.
4398 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4400 * varasm.c (mergeable_string_section): Check for embedded NULs and
4401 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4402 rather than TREE_STRING_LENGTH bytes.
4404 2006-06-21 Richard Guenther <rguenther@suse.de>
4406 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4407 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4410 2006-06-21 Richrad Guenther <rguenther@suse.de>
4412 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4413 Limit iteration over the dominators.
4415 2006-06-20 Roger Sayle <roger@eyesopen.com>
4417 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4418 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4420 2006-06-20 Richard Guenther <rguenther@suse.de>
4421 Michael Matz <matz@suse.de>
4423 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4425 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4426 * et-forest.h (et_free_pools): Prototype new function.
4427 * et-forest.c (et_free_tree_force): Free parent occurrence.
4428 (et_free_pools): New function.
4429 * dominance.c (free_dominance_info): Free et-forest alloc
4432 2006-06-20 Roger Sayle <roger@eyesopen.com>
4434 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4435 integer modes, attempt to directly construct an integer constant.
4437 * fold-const.c (native_encode_vector): Determine the size of each
4438 element from the vector type instead of the first vector element.
4440 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4441 if all of its elements/components are constant.
4442 (build_constructor_from_list): Likewise.
4444 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4446 PR tree-optimization/27331
4447 * tree-data-ref.c (free_data_ref): New function.
4448 (create_data_ref): Fail if the data reference has unknown access
4450 (free_data_refs): Use free_data_ref.
4452 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4455 * tree-inline.c (setup_one_parameter): Strip useless
4456 type conversion before adding it to the IR.
4457 (declare_return_variable): Likewise.
4459 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4462 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4464 2006-06-19 Mike Stump <mrs@apple.com>
4466 * tree.c (variably_modified_type_p): VM arguments don't make the
4469 2006-06-19 Richard Guenther <rguenther@suse.de>
4471 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4472 type conversions after folding.
4474 2006-06-19 Richard Guenther <rguenther@suse.de>
4476 * ggc-page.c (extra_order_size_tab): Add entries with
4477 size of struct function and basic_block.
4478 (size_lookup): Extend to cover sizes up to 511.
4479 (ggc_alloc_stat): Adjust user.
4480 (ggc_pch_count_object): Likewise.
4481 (ggc_pch_alloc_object): Likewise.
4482 (ggc_pch_write_object): Likewise.
4484 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4486 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4487 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4490 2006-06-19 Denis Chertykov <denisc@overta.ru>
4492 * config/avr/libgcc.S : Correct my wrong previous commit.
4494 2006-06-19 Roger Sayle <roger@eyesopen.com>
4497 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4498 have stripped a SUBREG from the shift count, so we may need to
4499 convert_to_mode back to the type's mode before calling make_tree.
4500 Use new_amount instead of amount to avoid expanding a tree twice.
4502 2006-06-19 Richard Guenther <rguenther@suse.de>
4505 * fold-const.c (operand_equal_p): Check if the argument types
4506 have the same precision before stripping NOPs.
4508 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4510 Fix PR tree-optimization/27341
4511 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4513 * tree-complex.c (pass_lower_complex): Update SMT usage.
4515 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4517 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4518 Add a new alternative to the constraint strings. Add move of
4519 operand 1 to 3 to the splitter definition.
4520 ("doloop_si_long"): Second contraint alternative removed.
4522 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4524 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4525 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4527 (AVR_HAVE_MOVW) Define.
4528 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4529 (ASM_SPEC): Add avr25.
4530 (LINK_SPEC): Add avr25.
4531 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4532 (base_arch_s): Add new member 'have_movw_lpmx'.
4533 (avr_arch_types): Init 'have_movw_lpmx'.
4534 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4535 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4536 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4537 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4538 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4540 (avr_file_start): Do not output '.arh' derective.
4541 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4542 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4543 * config/avr/avr.md (mcu_enhanced): Delete.
4544 (mcu_have_movw): Define.
4545 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4546 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4547 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4548 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4549 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4550 attiny861 and at86rf401 devices.
4552 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4554 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4557 2006-06-17 Karl Berry <karl@gnu.org>
4559 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4560 doc/gccint.texi, doc/install.texi (@dircategory): Use
4561 "Software development" instead of "Programming", following
4562 the Free Software Directory.
4564 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4566 * config/i386/i386.c (legitimate_tls_address)
4567 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4568 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4569 (*tls_dynamic_gnu2_combine_64): Likewise.
4571 2006-06-16 Richard Guenther <rguenther@suse.de>
4574 * fold-const.c (negate_expr_p): Do not introduce undefined
4575 overflow in negating INTEGER_CSTs.
4576 (fold_negate_expr): Rename from negate_expr. Revert last
4577 change for folding BIT_NOT_EXPR. Change semantics to
4578 return NULL_TREE for non-simplified negations. Do not
4579 strip type conversions and unify type handling.
4580 (negate_expr): New function, wrap around fold_negate_expr
4581 but ensure building a tree always. Strip type conversions
4582 here, fold to result type.
4583 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4585 2006-06-16 Roger Sayle <roger@eyesopen.com>
4588 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4589 that (would) return their results in stack registers.
4591 2006-06-16 Michael Matz <matz@suse.de>
4592 Richard Guenther <rguenther@suse.de>
4594 * fold-const.c (fold_truthop): Only return new tree node if
4595 we canonicalized something.
4597 2006-06-16 Richard Guenther <rguenther@suse.de>
4599 * function.h (enum function_frequency): Move declaration
4600 out of struct function.
4601 (struct function): Move bool fields and the enum to the bitfield
4602 section. Reorder elements to avoid padding. Remove unused
4603 fields left over from the RTL inliner removal.
4604 * function.c (free_after_compilation): Do not zero removed fields.
4605 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4606 (ipa-type-escape.o): Likewise.
4608 2006-06-16 Richard Guenther <rguenther@suse.de>
4610 * cgraph.h (struct cgraph_local_info): Turn bool elements
4612 (struct cgraph_node): Likewise.
4613 (struct cgraph_varpool_node): Likewise.
4615 2006-06-15 Richard Guenther <rguenther@suse.de>
4617 * fold-const.c (fold_truth_not_expr): Rename from
4618 invert_truthvalue. Give it fold_* semantics to avoid
4620 (invert_truthvalue): New function. Wrapper around
4621 fold_truth_not_expr.
4622 (optimize_minmax_comparison): Avoid creating garbage.
4623 (fold_unary): Use fold_truth_not_expr for folding
4625 (fold_ternary): Replace uses of invert_truthvalue with
4626 fold_truth_not_expr where applicable.
4627 * tree.h (fold_truth_not_expr): Prototype.
4629 2006-06-16 Richard Guenther <rguenther@suse.de>
4631 PR tree-optimization/27781
4632 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4633 * ipa-pure-const.c (target.h): Include.
4634 (analyze_function): Do not analyze functions that do not
4637 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4640 * tree-dfa.c (referenced_vars_dup_list): Remove.
4641 (find_referenced_vars): Remove assert.
4642 (referenced_var_check_and_insert): Replace dup list with assert.
4643 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4644 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4646 2006-06-15 Richard Guenther <rguenther@suse.de>
4648 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4649 extra unused identifiers if not dumping.
4650 (create_variable_info_for): Likewise.
4652 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4654 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4655 (derive_constant_upper_bound): Derive more precise upper bound in
4656 common cases. Return type changed to double_int.
4657 (record_estimate): Reflect the changed return type of
4658 derive_constant_upper_bound.
4659 * double-int.c (double_int_zext, double_int_sext): Fix.
4661 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4663 * configure.ac (CFLAGS): Get them from the toplevel or from the
4664 configure invocation.
4665 * configure: Regenerate.
4666 * Makefile.in (CFLAGS): Substitute value provided by configure.
4668 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4671 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4672 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4673 rather than calling add_stmt on it.
4674 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4676 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4679 * reload1.c (reload): Remove registers returned by update_eliminables
4680 from used_spill_regs.
4682 2006-06-13 DJ Delorie <dj@redhat.com>
4684 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4686 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4688 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4689 html__strip_dir, html__mkdir_p. Enhance install-html target.
4690 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4691 * configure: Regenerate.
4693 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4695 * fold-const.c (fold_cond_expr_with_comparison): Check for
4696 Objective-C++ as language in deciding COND_EXPR transformation.
4698 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4701 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4702 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4703 * config/sh/lib1funcs.h (SL, SL1): Define.
4704 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4705 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4706 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4707 (OBJS_Os_4_200): New variable.
4708 ($(T)libgcc-Os-4-200.a): Use it.
4709 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4710 when dividing 1 and/or by 0.
4712 2006-06-13 Roger Sayle <roger@eyesopen.com>
4714 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4715 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4716 * configure: Regenerate.
4718 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4720 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4721 for real instruction.
4723 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4726 * haifa-sched.c (check_cfg): Handle special case.
4728 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4731 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4732 Add debug_info parameter. Chain the vars to the BLOCK instead
4733 of the BIND_EXPR if debug info are requested for them.
4734 (pop_gimplify_context): Adjust for above change.
4735 (gimple_add_tmp_var): Likewise.
4736 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4738 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4739 (convert_local_reference): Likewise.
4740 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4741 (finalize_nesting_tree_1): Request that debug info be emitted
4742 for debug_var_chain.
4744 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4746 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4747 for PR target/27863.
4749 2006-06-13 Richard Guenther <rguenther@suse.de>
4752 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4754 2006-06-13 Richard Guenther <rguenther@suse.de>
4756 PR tree-optimization/27830
4757 * tree-inline.c (copy_body_r): For copying the operand
4758 of an ADDR_EXPR make sure to fold &* afterwards.
4760 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4762 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4763 lvalues in the fb_none case with side-effects.
4765 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4767 * tree-flow.h: Remove the prototype for
4768 compute_phi_arg_on_exit.
4769 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4770 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4773 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4775 * builtins.c (expand_builtin_return_addr): Only use
4776 frame_pointer_rtx when count == 0 and we are expanding
4777 __builtin_return_address.
4779 2006-06-12 Fred Fish <fnf@specifix.com>
4781 * config/mips/mips.c (mips_file_start): Create special section
4782 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4784 2006-06-11 Eric Christopher <echristo@apple.com>
4787 * stor-layout.c (place_field): Remove check for
4788 remaining_in_alignment when aligning at the end of a run.
4790 2006-06-11 Eric Christopher <echristo@apple.com>
4793 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4796 2006-06-11 Roger Sayle <roger@eyesopen.com>
4799 Revert incorrect fix for PR target/27158
4800 2006-05-08 Roger Sayle <roger@eyesopen.com>
4801 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4802 of a reg_equiv_constant if the result is a legitimate constant.
4804 2006-06-11 Roger Sayle <roger@eyesopen.com>
4807 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4808 extract a CONST_VECTOR element and interpret it as an integer.
4809 (vspltis_constant): Use const_vector_elt_as_int instead of the
4810 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4811 * config/rs6000/predicates.md (easy_vector_const): Consider
4812 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4814 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4817 * stor-layout.c (update_alignment_for_field): Don't add extra
4818 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4821 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4823 * config/mips/t-rtems: Add EL/EB multilib variants.
4825 2006-06-09 Mike Stump <mrs@apple.com>
4827 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4829 2006-06-09 David Daney <ddaney@avtrex.com>
4831 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4833 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4835 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4837 2006-06-09 Richard Guenther <rguenther@suse.de>
4839 PR tree-optimization/26998
4840 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4841 of signed types, only TYPE_MIN_VALUE is special, but for both,
4842 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4843 in this case, as is -fwrapv.
4845 2006-06-08 Mike Stump <mrs@apple.com>
4848 * config/darwin.c (darwin_asm_output_anchor): Disable
4849 -fsection-anchors on darwin for now.
4850 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4851 * rs6000/rs6000.c (optimization_options): Likewise.
4853 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4856 * config/i386/i386.c (classify_argument): Skip fields with invalid
4859 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4861 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4862 (cse_insn): Likewise for the stack_pointer_rtx.
4864 2006-06-08 Roger Sayle <roger@eyesopen.com>
4866 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4867 conditions from floating point comparisons.
4869 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4872 * expmed.c (struct alg_hash_entry): Fix type of field T
4873 to match synth_mult argument.
4874 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4876 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4879 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4882 2006-06-08 Richard Guenther <rguenther@suse.de>
4885 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4886 only, if overflow is defined and not trapping.
4887 (negate_expr): Likewise.
4889 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4891 PR tree-optimization/27872
4892 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4893 flag on the new exit edge of the unrolled loop.
4895 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4897 PR rtl-optimization/26449
4898 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4900 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4903 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4904 referenced_variables with matching DECL_UID's.
4905 (find_referenced_vars): Make sure duplicate list is empty to start.
4906 (referenced_var_p): Remove.
4907 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4908 Check if var is in the list, and add if needed. Update the duplicate
4909 list if a different var is in the list with the same DECL_UID.
4910 (add_referenced_var): Call routine to check and insert.
4911 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4912 * tree-flow.h (referenced_vars_dup_list): External declaration.
4914 2006-06-07 Fred Fish <fnf@specifix.com>
4916 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4919 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4922 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4923 the imaginary and real parts of a clobbered register.
4924 Emit insn to set the imaginary part.
4926 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4928 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4929 in lieu of unwind-dw2-fde.c.
4931 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4933 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4935 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4938 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4939 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4940 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4941 V4SImode temporaries and operations instead.
4943 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4945 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4948 2006-06-06 Mike Stump <mrs@apple.com>
4950 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4951 installing during build.
4953 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4955 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4957 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4958 * config/ia64/ia64.c (params.h): New header.
4959 (ia64_optimization_options): New function to adjust parameters.
4960 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4961 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4962 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4964 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4966 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4968 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4971 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4973 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4974 Victor Kaplansky <victork@il.ibm.com>
4976 PR tree-optimization/26360
4977 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4980 2006-06-04 Roger Sayle <roger@eyesopen.com>
4981 Andrew Pinski <pinskia@physics.uc.edu>
4984 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4985 for LABEL_DECL before calling DECL_WEAK.
4988 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4989 LABEL_DECL and PARM_DECL.
4991 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4995 * c-decl.c (grokdeclarator): Disallow variably modified types at
4996 file scope. Avoid marking shared array type of constant size as
4999 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5002 * c-common.c (fold_offsetof_1): Handle static members.
5004 2006-06-04 Eric Christopher <echristo@apple.com>
5006 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5007 (debug_rli): Output value for remaining_in_alignment.
5008 (update_alignment_for_field): Unconditionalize
5009 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5010 extra alignment code.
5011 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5012 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5013 * tree.h (record_layout_info_s): Remove prev_packed.
5014 * doc/extend.texi (ms_struct): Add documentation of format.
5016 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5018 * tree.h: Declare folding_initializer.
5019 * builtins.c (fold_builtin_constant_p): Give definite answer
5020 if folding inside an initializer.
5021 * fold-const.c: Define folding_initializer.
5022 (START_FOLD_INIT): Save and then set folding_initializer.
5023 (END_FOLD_INIT): Restore folding_initializer.
5025 2006-06-04 Richard Guenther <rguenther@suse.de>
5027 PR tree-optimization/27039
5028 * fold-const.c (fold_comparison): Handle pointer comparison
5029 again for all comparison codes. Compare offsets in signed
5031 (fold_binary): Move code from here.
5033 2006-06-03 Roger Sayle <roger@eyesopen.com>
5036 * config/i386/i386.c (construct_container): Split static issued_error
5037 flag into issued_sse_arg_error, issued_sse_ret_error and
5038 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5039 requires the use of x87 registers and the user explicitly
5040 specified the -mno-80387 command line option.
5042 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5044 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5045 HAVE_DECL_SIGALTSTACK.
5047 (segv_handler): Use MC_FLD.
5048 * configure.ac: Check for a sigaltstack declaration.
5049 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5050 * configure: Regenerate.
5051 * config.in: Regenerate.
5053 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5056 * Makefile.in (stmp-fixinc): Fix typo.
5058 2006-06-02 Roger Sayle <roger@eyesopen.com>
5060 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5061 are type correct. Clean-up.
5062 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5063 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5065 2006-06-01 DJ Delorie <dj@redhat.com>
5067 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5068 shift, as we've disabled the "switch" insn that needs it.
5070 2006-06-01 Per Bothner <bothner@bothner.com>
5072 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5073 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5074 * c-ppoutput.c (cb_define): Don't increment line 0.
5076 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5078 * doc/invoke.texi: Add cpu_type power6.
5079 * config.gcc: Add cpu_type power6.
5080 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5081 to power5+ with Altivec.
5082 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5083 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5085 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5087 * config/avr/avr.h (SET_ASM_OP): Define.
5089 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5091 * config/bfin/bfin.c: Fix comment typos.
5093 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5096 * doc/install.texi: Document --enable-bootstrap and
5097 --disable-bootstrap.
5099 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5101 * doc/install.texi: Document that InfoZIP can replace jar.
5103 2006-05-31 Roger Sayle <roger@eyesopen.com>
5105 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5106 isn't available, directly generate the simpler x87 patterns without
5107 the (use (const_int 0)).
5108 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5109 implementation isn't available.
5110 (*negdf2_1): Likewise.
5111 (*negxf2_1): XF mode negation is always done using the x87.
5112 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5114 2006-05-31 Roger Sayle <roger@eyesopen.com>
5116 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5117 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5119 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5121 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5123 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5124 * config/bfin/bfin.c (basic-block.h): Include.
5125 (struct machine_function): New.
5126 (bfin_init_machine_status): New.
5127 (override_options): Initialize init_machine_status.
5128 (bfin_hardware_loop): New.
5129 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5130 (DEF_VEC_P (loop_info)): New.
5131 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5132 (struct loop_info): New.
5133 (loop_info): New typedef.
5134 (struct loop_work): New.
5135 (loop_work): New typedef.
5136 (DEF_VEC_O (loop_work)): New.
5137 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5138 (bfin_dump_loops): New.
5139 (bfin_bb_in_loop): New.
5140 (bfin_scan_loop): New.
5141 (bfin_optimize_loop): New.
5142 (bfin_reorg_loops): New.
5143 (bfin_reorg): Use bfin_reorg_loops.
5144 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5146 (I_REGNO_P): Simplify.
5147 (DP_REGNO_P, DPREG_P): New macros.
5148 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5149 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5150 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5151 Add LT_REGS, LC_REGS, LB_REGS.
5152 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5154 (REGNO_REG_CLASS): Deal with loop registers.
5155 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5157 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5158 New constants for loop registers.
5159 (UNSPEC_LSETUP_END): New.
5160 (seq_insns): New define_attr. Set it for appropriate insns.
5161 (movsi_insn): Add alternatives for move from/to
5162 loop count registers.
5163 (doloop_end): New define_expand.
5164 (loop_end): New define_insn.
5165 (define_split for bad doloop_end): New.
5166 (lsetup_with_autoinit): New define_insn.
5167 (lsetup_without_autoinit): New define_insn.
5168 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5169 * config/bfin/predicates.md (lc_register_operand): New.
5170 (lt_register_operand): New.
5171 (lb_register_operand): New.
5172 (nondp_register_operand): New.
5173 (nondp_reg_or_memory_operand): New.
5174 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5176 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5178 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5179 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5181 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5183 * Makefile.in (CATALOGS): Add po/ prefix.
5184 * configure: Regenerated.
5186 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5189 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5190 a shift operand before calling shift_op. Avoid redundant call of
5193 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5194 DJ Delorie <dj@redhat.com>
5196 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5197 we're inserting is a singlt-bit constant.
5199 2006-05-30 Roger Sayle <roger@eyesopen.com>
5201 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5202 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5204 2006-05-30 Roger Sayle <roger@eyesopen.com>
5206 PR tree-optimization/23452
5207 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5208 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5209 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5210 complex values and with -ffast-math for FP complex values.
5212 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5214 * c-common.h: Remove the prototype for yyparse.
5215 * rtl.h: Remove the prototype for init_loop.
5217 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5219 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5222 2006-05-30 Roger Sayle <roger@eyesopen.com>
5224 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5226 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5227 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5229 2006-05-30 Dirk Mueller <dmueller@suse.de>
5232 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5233 for CONSTANT_CLASS_P expresisons.
5235 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5238 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5240 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5242 PR tree-optimization/27779
5243 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5244 initial_condition instead of CHREC_LEFT.
5246 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5248 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5249 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5250 Make prototypes ISO C90.
5252 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5253 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5255 * see.c (see_analyze_one_def): Correct check.
5256 (see_get_extension_data): Check if extension is parallel.
5257 (see_get_extension_reg): Likewise.
5259 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5262 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5263 into register for (code == GTU).
5265 2006-05-29 Roger Sayle <roger@eyesopen.com>
5267 PR tree-optimization/24964
5268 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5269 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5270 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5271 abs(x)*abs(x) as x*x for scalar floating point modes.
5273 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5276 * lambda-code.c (perfect_nestify): Don't copy statements
5277 in the inner loop: move them to the inner loop header.
5279 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5282 * c-tree.texi: Document OpenMP directives and clauses.
5284 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5286 * varasm.c (globalize_decl): Fix indentation.
5288 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5291 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5292 pass_fre, pass_store_ccp, pass_copy_prop,
5293 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5294 pass_return_slot, pass_object_size, pass_lim,
5295 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5296 pass_loop_prefetch and pass_stdarg.
5298 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5300 * config/bfin/bfin.opt (mfdpic): New option.
5301 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5302 (EXTRA_MULTILIB_PARTS): Likewise.
5303 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5304 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5306 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5307 (CRT_CALL_STATIC_FUNCTION): New.
5308 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5310 (CRT_CALL_STATIC_FUNCTION): New.
5311 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5313 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5314 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5315 (initialize_trampoline): Changed to handle FD-PIC code generation.
5316 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5317 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5318 (override_options): Disallow -mid-shared-library -mfdpic combination.
5319 Can't do unaligned ops if FD-PIC.
5320 Turn off flag_pic if trying to generate non-id-shared-library
5321 non-fdpic code, since it's not supported.
5322 (bfin_assemble_integer): New function.
5323 (TARGET_ASM_INTEGER): Define.
5324 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5326 * config/bfin/crtn.s: Restore them.
5327 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5329 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5330 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5331 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5332 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5333 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5335 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5336 FDPIC_REGS and FDPIC_FPTR_REGS.
5337 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5338 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5339 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5340 (load_funcdescsi): New pattern.
5341 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5342 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5343 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5345 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5347 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5350 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5352 * tree-flow.h: Remove the prototype for add_type_alias.
5353 * tree-ssa-alias.c (add_type_alias): Remove.
5355 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5357 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5358 config/fr30/fr30.md, config/i386/i386-interix.h,
5359 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5360 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5361 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5362 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5363 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5364 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5365 Follow spelling conventions.
5366 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5367 Follow spelling conventions.
5369 2006-05-27 Richard Guenther <rguenther@suse.de>
5372 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5373 to produce a constant of value 1 of generic type.
5375 2006-05-27 Dirk Mueller <dmueller@suse.de>
5377 * cgraphunit.c (decide_is_function_needed): Fix wrong
5380 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5382 PR rtl-optimization/27661
5383 * reload.c (find_reloads): When reloading a VOIDmode constant
5384 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5385 use Pmode as mode of the reload register.
5387 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5389 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5390 is enabled at -O and above.
5392 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5395 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5398 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5401 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5402 for anonymous variables explicitly declared by front ends.
5404 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5406 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5407 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5408 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5409 ref-all pointers, run a finalization pass for them.
5410 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5411 (finalize_ref_all_pointers): New function.
5412 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5413 regular pointer type to a ref-all pointer type.
5414 (get_tmt_for): Return the special memory tag for ref-all pointers.
5416 2006-05-25 Richard Guenther <rguenther@suse.de>
5419 * fold-const.c (fold_binary): Do not look at the stripped
5420 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5422 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5424 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5425 for LT and GT if the computed range is effectively empty.
5427 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5430 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5431 mips_quad_format formats instead of ieee_single_format,
5432 ieee_double_format and ieee_quad_format formats, respectively.
5434 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5436 PR tree-optimization/27639
5437 PR tree-optimization/26719
5438 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5439 call to scev_probably_wraps_p.
5440 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5441 used_in_pointer_arithmetic_p, convert_step): Removed.
5442 (nowrap_type_p): New function.
5443 (scev_probably_wraps_p): Rewritten.
5444 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5445 chrec_convert if chrec_convert_aggressive might have been used.
5446 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5447 scev_direction): New functions.
5448 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5449 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5450 instead of convert_step.
5451 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5452 (convert_step): Declaration removed.
5453 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5455 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5457 * df-core.c: Added to header comments.
5458 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5459 df_ur_bb_info, df_urec_bb_info): Added comments.
5460 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5461 urec, ri problems): Fixed header comments.
5462 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5463 code from df_rd_transfer_function.
5465 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5467 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5468 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5469 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5471 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5473 * expr.c (undefined_operand_subword_p): New.
5474 (emit_move_multi_word): Do not generate move from undefined bits
5475 of a paradoxical subreg.
5477 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5479 PR rtl-optimization/27736
5480 * combine.c (replaced_rhs_value): New variable.
5481 (combine_instructions): Set it.
5482 (distribute_notes): When distributing a note in replaced_rhs_insn,
5483 check whether the value was used in replaced_rhs_value.
5485 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5488 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5489 add_referenced_var instead of add_referenced_tmp_var.
5490 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5491 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5493 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5494 tree_optimize_tail_calls_1): Use add_referenced_var.
5495 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5496 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5497 Use add_referenced_var.
5498 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5499 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5500 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5501 Use add_referenced_var.
5502 * tree-dfa.c (struct walk_state): Remove.
5503 (find_referenced_vars): Remove walk state and vars_found hash table.
5504 (make_rename_temp): Use add_referenced_var.
5505 (find_vars_r): Pass less parameters to add_referenced_var.
5506 (referenced_var_p): New. Is var in referenced_var hash table.
5507 (referenced_var_insert): Assert var isn't already in hash table.
5508 (add_referenced_var): Don't need walk_state parameter. Add var if it
5509 isn't already in the hash table.
5510 (add_referenced_tmp_var): Remove.
5511 (find_new_referenced_vars_1): Use add_referenced_var.
5512 * tree-ssa-pre.c (create_expression_by_pieces,
5513 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5514 Use add_referenced_var.
5515 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5516 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5517 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5519 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5520 vect_create_data_ref_ptr, vect_create_destination_var,
5521 vect_init_vector, vect_build_loop_niters,
5522 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5523 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5524 Use add_referenced_var.
5525 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5526 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5527 (add_referenced_var): Add prototype.
5528 * tree-ssa-structalias.c (get_constraint_for,
5529 intra_create_variable_infos): Use add_referenced_var.
5531 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5533 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5534 big-endian paradoxical subregs.
5535 * var-tracking.c (struct micro_operation_def): Document that,
5536 for modify micro operations, insn is the subsequent instruction.
5537 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5538 (var_reg_set, var_mem_set): ... new functions.
5539 (add_stores): Record subsequent insn.
5540 (compute_bb_dataflow): Use new functions for MO_USE.
5541 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5542 notes after the insn, and modify notes before the insn known
5543 to be the subsequent one.
5544 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5546 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5549 * config/i386/i386.c (ix86_expand_builtin): Use
5550 gen_sse3_monitor64 for TARGET_64BIT.
5552 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5554 PR rtl-optimization/26375
5555 PR rtl-optimization/26855
5556 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5558 (df_ru_bb_local_compute): Reversed statements and removed bogus
5559 comment explaining why they should be in wrong order.
5560 (df_ru_dump, df_rd_dump): Enhanced debug info.
5561 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5563 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5564 reaching uses and fixed space problem.
5566 2006-05-23 Jan Hubicka <jh@suse.cz>
5568 * cgraphunit.c (decide_is_function_needed): Also nested functions
5569 and functions declared inline can be optimized out at -O0.
5571 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5573 * doc/install.texi (Configuration): Remove reference to CrossGCC
5577 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5580 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5581 ix86_compare_emitted is non-NULL.
5583 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5586 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5589 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5591 PR rtl-optimization/25514
5592 * combine.c (replaced_rhs_insn): New variable.
5593 (combine_instructions): Set replaced_rhs_insn when trying to replace
5594 a SET_SRC with a REG_EQUAL note.
5595 (distribute_notes): Use replaced_rhs_insn when determining the live
5596 range of a REG_DEAD register.
5598 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5599 Anatoly Sokolov <aesok@post.ru>
5601 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5602 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5603 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5604 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5605 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5606 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5607 at90usb647, at90usb1286 and at90usb1287 devices.
5608 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5609 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5611 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5613 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5615 2006-05-22 Richard Guenther <rguenther@suse.de>
5618 2006-01-31 Richard Guenther <rguenther@suse.de>
5619 Paolo Bonzini <bonzini@gnu.org>
5621 * doc/install.texi (--disable-libgcc-math): Document.
5623 2006-05-22 Richard Guenther <rguenther@suse.de>
5626 2006-01-31 Richard Guenther <rguenther@suse.de>
5628 * doc/invoke.texi (-msselibm): Document.
5629 * target.h (expand_library_builtin): New target hook.
5630 * builtins.c (expand_builtin): Use expand_library_builtin.
5631 (default_expand_library_builtin): New function.
5632 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5633 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5634 (link_gcc_math_spec): Declare.
5635 (static_specs): Add link_gcc_math_spec.
5636 * expr.h (default_expand_library_builtin): Declare.
5637 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5638 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5639 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5640 * config/i386/i386.opt (msselibm): New target option.
5641 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5642 (ix86_init_sse_abi_builtins): New function.
5643 (ix86_expand_library_builtin): Likewise.
5644 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5645 (override_options): Handle error conditions wrt -msselibm.
5646 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5647 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5648 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5651 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5654 * c-common.c (self_promoting_args_p): Skip erroneous args.
5657 * c-decl.c (finish_struct): Skip erroneous fields.
5659 2006-05-22 Nick Clifton <nickc@redhat.com>
5661 * config/cris/cris.opt (march): Remove VarExists attribute.
5662 (max-stackframe=): Likewise.
5664 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5666 * doc/rtl.texi: Fix a typo.
5667 * see.c: Fix comment typos.
5669 * tree-ssa-structalias.h (alias_info): Remove num_references.
5671 2006-05-21 Mike Stump <mrs@apple.com>
5673 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5675 (darwin_pragma_options): Use BAD instead.
5676 (darwin_pragma_unused): Likewise.
5677 (darwin_pragma_ms_struct): Likewise.
5679 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5681 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5683 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5685 PR rtl-optimization/27671
5686 * simplify-rtx.c (simplify_relational_operation_1): Fix
5687 simplifications of (eq/ne (xor x y) y) and
5688 (eq/ne (xor x y) x).
5690 PR tree-optimization/26622.
5691 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5694 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5696 * tree-cfg.c: Prune whitespace.
5697 (debug_tree_cfg): Point to correct header containing the
5700 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5703 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5705 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5708 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5709 or sorry count is non zero.
5711 2006-05-20 Andreas Schwab <schwab@suse.de>
5713 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5715 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5716 Kenneth Zadeck <zadeck@naturalbridge.com>
5718 PR rtl-optimization/26855
5720 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5722 (df_scan_alloc): Added code to properly handle multiword hard
5723 registers and add all_blocks parameter.
5724 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5725 code to properly handle multiword hard registers.
5726 (df_rescan_blocks): Added code to remove deleted blocks from
5728 (df_ref_create_structure, df_ref_record): Added code to properly
5730 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5731 and set DF_REF_PARTIAL.
5732 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5733 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5734 (df_scan_add_problem): Added flags parameter.
5735 (df_ref_create_structure): Changed switching structure.
5736 (df_bb_refs_record): Fixed case where duplicate artificial refs
5737 were created. Changed location of flags.
5738 (df_record_entry_block_defs): Added code to make stack pointer
5739 live in entry block. Refined cases where frame pointer is needed.
5740 Changed location of flags.
5741 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5742 (df_set_state): Removed function.
5743 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5744 df_insn_create_insn_record, df_insn_refs_delete,
5745 df_ref_create_structure): Formatting changes.
5746 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5747 df_delete_basic_block): New function.
5748 (df_init): Changed location of flags.
5749 (df_add_problem): Added flags parameter and the way flags are
5751 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5752 debug_df_chain): Improved debugging output.
5753 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5754 (df_refs_chain_dump): Removed df parameter.
5755 (df_iterative_dataflow): Added consistency check.
5756 (df_prune_to_subcfg): Made public.
5757 (df_analyze_problem): Added blocks_to_init parameter and made
5759 (df_ref_record, df_bb_refs_record, df_mark_reg,
5760 df_record_exit_block_uses): Whitespace changes.
5761 (df_dump): Whitespace changes.
5762 * df.h: Some reordering to remove forward references.
5763 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5764 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5765 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5766 (dataflow.flags): New field.
5767 (df.flag): Deleted field.
5768 (df_alloc_function): Added additional bitmap parameter.
5769 (df_dependent_problem_function): New type.
5770 (df_problem.changeable_flags): New field.
5771 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5772 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5773 (df_mw_hardreg): New struct.
5774 (DF_INSN_UID_MWS): New macro.
5775 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5777 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5778 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5779 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5780 (df_set_state): Removed function.
5781 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5782 * df-problems.c (df_chain_dump): Removed df parameter.
5783 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5784 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5786 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5787 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5788 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5789 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5790 DF_REF_MUST_CLOBBER cases.
5791 (df_ru_bb_local_compute_process_def,
5792 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5793 df_lr_bb_local_compute, df_ur_bb_local_compute,
5794 df_chain_create_bb): Made subreg aware.
5795 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5796 df_lr_bb_local_compute, df_lr_bb_local_compute,
5797 df_chain_create_bb): Cleanup to use proper macros.
5798 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5799 code to fixup bitvectors.
5800 (df_ri_alloc): Cleared lifetime.
5801 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5802 df_create_unused_note): New function.
5803 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5804 REG_DEAD and REG_UNUSED notes as well as register information.
5805 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5806 df_chains_dump): Fixed crash if problem was never run.
5807 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5808 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5809 df_ri_add_problem): Processes flags in uniform manner.
5810 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5811 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5812 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5813 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5814 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5815 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5816 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5817 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5818 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5819 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5820 * see.c (see_initialize_data): Ditto.
5821 * final.c (rest_of_clean_state) Added regstack_completed.
5822 * rtl.h (regstack_completed): Ditto.
5823 * reg-stack.c (regstack_completed): Ditto.
5825 2006-05-19 Mike Stump <mrs@apple.com>
5827 * c-tree.h (default_conversion): Remove.
5828 * c-common.h (default_conversion): Add.
5830 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5832 * tree-vrp.c (valid_value_p): New function.
5833 (adjust_range_with_scev): Fail if the value of bound is not
5836 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5838 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5839 (mips_fallback_frame_state): Use syscall numbers to determine
5840 the appropriate li instruction for the current ABI. Only use
5841 __NR_sigreturn for o32.
5843 2006-05-19 Nicolas Setton <setton@adacore.com>
5845 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5846 * langhooks.c (lhd_dwarf_name): New function.
5847 * langhooks-def.h (lhd_dwarf_name): Declare.
5848 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5849 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5850 * ada/misc.c (gnat_dwarf_name): New function.
5851 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5853 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5855 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5857 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5858 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5859 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5860 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5861 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5862 determine the size of Wtype, etc.
5863 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5864 (swfloatfuncs): New variable.
5865 (dwfloatfuncs): Likewise.
5866 (lib2funcs): Remove floating-point conversion functions from
5867 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5868 the set of conversion routines needed. Allow entries to specify
5869 an object name, filename and word size. Update users accordingly.
5870 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5871 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5875 2006-02-08 Roger Sayle <roger@eyesopen.com>
5878 * config/fixtfdi.c: New libgcc source file.
5879 * config/fixunstfdi.c: New source file.
5880 * config/floatditf.c: New source file.
5881 * config/floatunditf.c: New souce file.
5882 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5883 files above instead of config/mips/_tilib.c.
5884 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5886 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5888 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5889 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5891 2006-05-18 Mike Stump <mrs@apple.com>
5893 Fix up vla, vm and [*] sematics.
5899 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5900 (c_vla_unspec_p): Add.
5901 (c_vla_type_p): Add.
5902 * c-decl.c (struct c_scope): Add had_vla_unspec.
5903 (build_array_declarator): Add support for [*].
5904 (grokdeclarator): Likewise.
5905 (grokparms): Likewise.
5906 (get_parm_info): Likewise.
5907 * c-objc-common.c (c_vla_unspec_p): Likewise.
5908 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5909 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5910 typeof when argument is a variably modified type not inside sizeof or alignof.
5911 (c_parser_direct_declarator_inner): Propagate errors.
5912 (c_parser_sizeof_expression): Add support for [*].
5913 (c_parser_parms_declarator): Initialize had_vla_unspec.
5914 (c_parser_parms_list_declarator): Likewise.
5915 * c-typeck.c (c_vla_type_p): Add.
5916 (composite_type): Add support for vla compositing.
5917 (comptypes_internal): Add support for vla compatibility.
5918 (c_expr_sizeof_expr): Evaluate vla arguments.
5919 * tree.c (variably_modified_type_p): Update comment for [*].
5921 2006-05-18 Michael Matz <matz@suse.de>
5924 * config.host: Make assignments to host_xmake_file cumulative.
5925 * config.host (*-darwin*): Test $host, not $target.
5927 2006-05-12 Stuart Hastings <stuart@apple.com>
5929 * config/i386/i386.opt (-mstackrealign): New flag.
5930 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5931 (ix86_handle_cconv_attribute): Emit error when
5932 force_align_arg_pointer attribute collides with too many regparms.
5933 (ix86_function_regparm): Limit regparms when used with
5934 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5935 Support stack-realigning prologue in non-main functions. Emit
5936 warning for nested functions under -mstackrealign, emit error for
5937 nested functions with force_align_arg_pointer attribute.
5938 * doc/extend.texi (force_align_arg_pointer): Document it.
5939 * doc/invoke.texi (-mstackrealign): Document it.
5941 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5943 PR rtl-optimization/27477
5944 * combine.c (try_combine): Don't split a parallel consisting
5945 of two sets into two individual sets if both sets reference
5948 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5950 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5951 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5953 * doc/options.texi (VarExists): Updated.
5955 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5957 * unwind-dw2.c: Add declarations for uw_update_context and
5959 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5960 detected, advance frame state and context once to skip over stub.
5962 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5966 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5967 Call rewrite_into_loop_closed_ssa only when something changed.
5968 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5969 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5970 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5971 Test for perfect_nest_p here. Fix formating.
5972 (replace_uses_equiv_to_x_with_y): Fix formating.
5973 (stmt_uses_op): Removed.
5974 (can_convert_to_perfect_nest): Removed loopivs parameter.
5975 Complete the test by checking the scalar dependences.
5976 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5979 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5982 From Dan Kegel <dank@kegel.com>:
5983 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5985 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5987 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5988 if the element type is variably modified without recursing.
5990 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5993 * tree-loop-linear.c (try_interchange_loops): Test for
5994 no data dependences.
5996 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5998 PR tree-optimization/27548
5999 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6000 range of ssa names that appear on abnormal edges.
6001 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6002 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6004 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6007 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6009 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6012 * tree.h (OMP_PARALLEL_COMBINED): Define.
6013 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6014 (new_omp_context): Add is_combined_parallel argument.
6015 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6016 new_omp_context caller.
6017 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6018 Adjust gimplify_scan_omp_clauses callers.
6019 (omp_is_private): Issue errors if iteration variable is firstprivate
6020 or reduction in the current context.
6021 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6022 on combined parallel workshare constructs.
6024 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6026 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6027 (gcc-options.o): New rule.
6029 * optc-gen.awk: Protect variables for gcc-options.o with
6030 #ifdef GCC_DRIVER/#endif.
6032 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6034 Fix PR tree-optimization/27373
6035 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6036 (forward_propagate_addr_expr): Update call.
6038 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6040 * doc/options.texi: Move the Negative option.
6042 2006-05-16 Richard Guenther <rguenther@suse.de>
6044 PR tree-optimization/22303
6045 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6047 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6048 ccp_fold did not simplify the statement.
6050 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6053 * Makefile.in (GCC_OBJS): New.
6054 (OBJS-common): Add opts-common.o.
6055 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6056 (cpp$(exeext)): Likewise.
6057 (gcc.o): Also depend on opts.h.
6058 (opts-common.o): New.
6060 * common.opt (gcoff): Add Negative(gdwarf-2).
6061 (gdwarf-2): Add Negative(gstabs).
6062 (gstabs): Add Negative(gstabs+).
6063 (gstabs+): Add Negative(gvms).
6064 (gvms): Add Negative(gxcoff).
6065 (gxcoff): Add Negative(gxcoff+).
6066 (gxcoff+): Add Negative(gcoff).
6067 * config/i386/i386.opt (m32): Add Negative(m64).
6068 (m64): Add Negative(m32).
6070 * doc/options.texi: Document the Negative option.
6072 * gcc.c: Include "opts.h".
6073 (main): Call prune_options after expandargv.
6075 * optc-gen.awk: Generate common declarations for all flag
6076 variables in options.c. Output the neg_index field.
6078 * opts.c (find_opt): Moved to ...
6079 * opts-common.c: Here. New file.
6081 * opts.h (cl_option): Add a neg_index field.
6083 (prune_options): Likewise.
6085 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6088 * omp-low.c (expand_omp_parallel): Don't assert
6089 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6090 instead search for it.
6093 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6096 2006-05-16 Andreas Schwab <schwab@suse.de>
6098 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6101 2006-05-15 Roger Sayle <roger@eyesopen.com>
6104 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6105 integer constants other than zero are only legitimate on TARGET_64BIT.
6106 <CONST_VECTOR> Only zero vectors are legitimate.
6107 (ix86_cannot_force_const_mem): Integral and vector constants can
6108 always be put in the constant pool.
6110 2006-05-16 DJ Delorie <dj@redhat.com>
6112 * crtstuff.c (__dso_handle): Set section from
6113 TARGET_LBIGCC_SDATA_SECTION if defined.
6114 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6115 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6117 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6120 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6123 2006-05-16 Ben Elliston <bje@au.ibm.com>
6125 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6127 2006-05-15 Per Bothner <per@bothner.com>
6129 * tree.c: (last_annotated_node): Use source_locus typedef.
6130 This permits bootstrapping with --enable-mapped-location.
6132 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6134 PR tree-optimization/26830
6135 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6136 (info_for_ssa_name, current_info_for_ssa_name_age,
6137 blocks_to_update): New variables.
6138 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6139 (clear_ssa_name_info, initialize_flags_in_bb,
6140 mark_block_for_update): New functions.
6141 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6142 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6143 prepare_def_site_for): Use mark_block_for_update.
6144 (mark_def_interesting): Assert that the processed block is marked in
6145 blocks_to_update. Do not take blocks argument.
6146 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6148 (rewrite_update_init_block, rewrite_update_stmt): Only process
6149 blocks with statements to rewrite.
6150 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6151 (update_ssa): Initialize and free blocks_to_update. Do not
6152 clear flags on statements. Do not use blocks bitmap.
6153 * tree.h (SSA_NAME_AUX): Removed.
6154 (struct tree_ssa_name): Removed aux field.
6155 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6157 2006-05-15 Richard Guenther <rguenther@suse.de>
6159 PR tree-optimization/27603
6160 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6161 Do computations in original type.
6163 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6165 * see.c: Code style changes such as redundant paranthesis,
6166 redundant intialization of local variables etc.
6167 (see_main): Declared now as static.
6168 * doc/invoke.texi: Update that -fsee is not enabled by
6171 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6173 * omp-low.c (check_omp_nesting_restrictions): New function.
6174 (scan_omp_1): Call it.
6177 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6178 construct, return *VAR.
6180 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6182 PR rtl-optimization/27406
6183 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6186 2006-05-14 Roger Sayle <roger@eyesopen.com>
6188 PR rtl-optimization/27538
6189 * combine.c (expand_compound_operation): Call gen_lowpart
6190 before calling simplify_shift_const.
6192 2006-05-14 Roger Sayle <roger@eyesopen.com>
6194 PR rtl-optimization/22563
6195 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6196 a fixed width bitfield, always force the intermediates into psuedos.
6198 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6201 * mkconfig.sh: Use operator = instead of == for test.
6203 2006-05-13 Nick Clifton <nickc@redhat.com>
6205 * dwarf2out.c (dbx_reg_number): Check return value from
6206 LEAF_REG_REMAP and only use it if it is valid.
6207 (multiple_reg_loc_descriptor): Likewise.
6209 2006-05-13 Richard Guenther <rguenther@suse.de>
6211 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6214 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6216 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6217 information attached to non-INSNs such as NOTEs.
6218 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6220 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6222 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6224 * config/s390/s390.md: Adjust comment describing On constraint.
6226 2006-05-11 Jan Hubicka <jh@suse.cz>
6228 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6229 to be output at -O0.
6231 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6234 * fold-const.c (size_binop): Move sanity check for arguments to
6235 the beginning of the function.
6238 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6241 2006-05-11 Richard Guenther <rguenther@suse.de>
6244 * fold-const.c (fold_unary): Handle intermediate conversion
6245 to a pointer type like intermediate conversion to an integer
6246 type in folding of (T1)(T2)var to var.
6247 Match the code to the comment in the final conversion for
6248 (T1)(T2)var to (T1)var regarding to type precision. Rather
6249 than disallow T1 being of pointer type, assert that both T1
6250 and var are of pointer type or not. Make sure not to fall
6251 over the frontends lazyness wrt array to pointer decay though.
6253 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6255 * arm.c (arm_struct_value_rtx): Delete.
6256 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6257 (arm_init_cumulative_args): Always initialize nregs to zero.
6259 2006-05-10 Richard Guenther <rguenther@suse.de>
6261 PR tree-optimization/27532
6262 * tree-object-size.c (plus_expr_object_size): Fix typo.
6264 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6267 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6268 ashrdi_const, ashrdi3): Use a scratch register.
6270 2006-05-10 Richard Guenther <rguenther@suse.de>
6272 PR tree-optimization/27302
6273 * fold-const.c (operand_equal_p): For two comparisons,
6274 try comparison of one comparison code swapped if that yields
6277 2006-05-10 Ben Elliston <bje@au.ibm.com>
6279 * tree-pretty-print.c (pretty_print_string): No need to handle
6280 '\0' as a special character.
6282 * tree.h: Include "hashtab.h".
6283 (iterative_hash_expr): Use hashval_t in its prototype.
6284 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6286 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6289 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6290 (hppa*64*-*-hpux11*): Ditto.
6291 (hppa[12]*-*-hpux11*): Ditto.
6293 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6296 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6298 2006-05-09 Michael Matz <matz@suse.de>
6300 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6301 host_extra_gcc_objs and host_xmake_file.
6302 (<*-*-linux*>): Don't overwrite host_xmake_file.
6303 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6304 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6305 (host_detect_local_cpu): Declare.
6306 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6307 * config/i386/i386.c (override_options): Handle -mtune=native
6309 * config/i386/x-i386: New file.
6310 * config/i386/driver-i386.c: New file.
6311 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6314 2006-05-09 Dirk Mueller <dmueller@suse.de>
6315 Richard Guenther <rguenther@suse.de>
6318 * fold-const.c (fold_read_from_constant_string): Relax check
6319 for matching types to matching modes.
6321 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6323 PR rtl-optimization/27335
6324 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6327 2006-05-08 Chao-ying Fu <fu@mips.com>
6328 Richard Sandiford <richard@codesourcery.com>
6330 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6331 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6332 * config/mips/mips.md (UNSPEC_SCC): New constant.
6333 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6334 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6335 (mips_emit_compare): Use it.
6336 (mips_expand_vcondv2sf): New function.
6338 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6340 Fix PR tree-optimization/27093
6341 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6342 renaming when they become not-used_alone.
6344 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6346 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6347 relocation and relocation stubs.
6349 2006-05-08 Eric Christopher <echristo@apple.com>
6351 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6354 2006-05-08 Jan Hubicka <jh@suse.cz>
6357 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6358 unused static functions are needed.
6360 2006-05-08 Roger Sayle <roger@eyesopen.com>
6363 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6364 of a reg_equiv_constant if the result is a legitimate constant.
6366 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6369 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6370 standard 80387 constants, raise the cost to prevent
6371 compress_float_constant() to generate load from memory.
6373 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6375 * config/arm/constraints.md (c): Fix a typo.
6377 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6380 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6383 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6385 (_mm_mwait): Likewise.
6387 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6389 (sse3_monitor): Make it 32bit only.
6390 (sse3_monitor64): New. 64bit monitor.
6392 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6395 * config/i386/i386.c (classify_argument): Skip fields with invalid
6398 2006-05-07 Richard Guenther <rguenther@suse.de>
6400 PR tree-optimization/27409
6401 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6402 Do not try to find zero-sized subvars.
6404 2006-05-07 Richard Guenther <rguenther@suse.de>
6406 PR tree-optimization/27136
6407 * tree-ssa-loop-niter.c (get_val_for): Correct function
6408 comment, assert requirements.
6409 (loop_niter_by_eval): Stop processing if the iterated
6410 value did not simplify.
6412 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6414 * opts.c (flag_see): remove its setting at -O3.
6416 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6418 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6419 * arm/constraints.md: New file.
6420 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6421 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6422 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6423 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6424 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6425 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6426 * arm.md: Include constraints.md.
6427 (thumb_movsi_insn): Use satisfies_constraint_J.
6428 (movhi, movqi): Use satisfies_constraint_I.
6430 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6432 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6433 for atmeg a645 device.
6435 2006-05-06 Richard Guenther <rguenther@suse.de>
6437 PR tree-optimization/27151
6438 * tree-vect-transform.c (vectorizable_condition): Punt on
6439 values that have a different type than the condition.
6441 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6444 * c-parser.c (c_parser_cast_expression): Only insert casts into
6445 hash table if pointer.
6446 * function.c (used_types_insert_helper): Rename from
6448 (used_types_insert): Call used_types_insert_helper.
6449 * function.h (used_types_insert): Accept only one argument.
6451 2006-05-05 David Edelsohn <edesohn@gnu.org>
6453 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6454 scratch with output modifier.
6456 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6459 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6460 with output modifier.
6462 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6465 * config/mips/mips.c (mips_symbolic_address_p): Return true
6466 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6467 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6469 2006-05-04 Richard Guenther <rguenther@suse.de>
6471 PR tree-optimization/14287
6472 PR tree-optimization/14844
6473 PR tree-optimization/19792
6474 PR tree-optimization/21608
6475 PR tree-optimization/27090
6476 * tree-ssa-pre.c (try_combine_conversion): New function.
6477 (compute_avail): After constructing the value-handle
6478 expression, use try_combine_conversion to combine NOP_EXPRs
6479 with previous value-handle expressions and use the result if it
6482 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6484 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6486 2006-05-04 Jan Hubicka <jh@suse.cz>
6489 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6491 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6493 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6494 that this only matches CONST_INTs. All users changed to VOIDmode
6497 * config/bfin/bfin.c: Include "optabs.h".
6498 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6500 (enum bfin_builtins): Add a number of fractional and vector builtins.
6501 (bfin_init_builtins): Likewise.
6502 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6503 (safe_vector_operand, bfin_expand_binop_builtin,
6504 bfin_expand_unop_builtin): New functions.
6505 (bfin_expand_builtin): Handle the new builtins.
6506 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6509 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6512 * Makefile.in (OBJS-common): Add see.o.
6513 (see.o): Add dependencies.
6514 * common.opt (fsee): New flag for the see optimization was added.
6515 * opts.c (flag_see): Initialized.
6516 * passes.c (init_optimization_passes, pass_see): New pass.
6517 * rtl.h (see_main): Declaration as extern.
6518 * timevar.def (TV_SEE): New.
6519 * tree-pass.h (pass_see): Declaration as extern.
6520 * invoke.texi (-fsee): Document.
6521 * recog.c (validate_simplify_insn): New function.
6522 * recog.h (validate_simplify_insn): Declaration as extern.
6523 * df-problems.c (df_chain_dump): Check for NULL.
6525 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6526 Daniel Berlin <dberlin@dberlin.org>
6528 * cfgrtl.c (insert_insn_bb_end_new): New function.
6529 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6531 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6533 * df.h (struct web_entry): Moved from web.c.
6534 (union_defs): Declaration as extern.
6535 (unionfind_root): Likewise.
6536 (unionfind_union): Likewise.
6537 * web.c (struct web_entry): Moved to df.h.
6538 (unionfind_root): Remove static declaration.
6539 (unionfind_union): Likewise.
6540 (union_defs): Likewise and generalize to use callback function.
6541 (web_main): Update arguments for union_defs function call.
6543 2006-05-04 Richard Guenther <rguenther@suse.de>
6545 PR tree-optimization/26447
6546 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6547 produce SSA_NAME copies before the store stmt to avoid
6548 breaking exception handling.
6550 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6553 * gimplify.c (omp_is_private): If var is shared in some outer context,
6554 return false instead of true. Stop searching on parallel context
6557 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6560 * coverage.c: Use get_gcov_unsigned_t() instead of
6561 unsigned_type_node all over.
6563 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6565 PR tree-optimization/27381
6566 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6567 maintain the same immediate_use links.
6568 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6569 node rather than segfaulting.
6571 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6574 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6575 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6576 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6578 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6580 Fix PR tree-optimization/26626
6581 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6583 * tree-ssa-operands.c (access_can_touch_variable): Allow
6584 typecasting through union pointers.
6586 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6589 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6590 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6591 to find if var will be a global variable even in the nested context.
6592 (omp_copy_decl): Only check for global variable at the end, it might
6593 be overridden in outer contexts.
6594 (scan_sharing_clauses): For global variables don't create a field.
6595 (lower_rec_input_clauses): Do nothing for global shared variables.
6596 Emit a barrier at the end of ILIST if there were any decls in both
6597 firstprivate and lastprivate clauses.
6598 (lower_send_clauses): Do nothing for global variables except for
6601 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6603 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6604 of the correct signedness is returned.
6606 2006-05-02 Jeff Law <law@redhat.com>
6608 PR tree-optimization/27364
6609 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6610 multiply expressions.
6612 2006-05-02 Tom Tromey <tromey@redhat.com>
6614 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6616 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6619 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6620 -mthumb -fPIC are used.
6622 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6623 Joshua Kinard <kumba@gentoo.org>
6626 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6627 with 64-bit pointers.
6629 2006-05-02 Paul Brook <paul@codesourcery.com>
6631 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6633 (create_fix_barrier): Check that a suitable barrier location is
6635 (arm_reorg): Include ftmp->address in allowable range of addresses.
6637 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6640 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6643 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6646 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6647 around RESULT_DECL for result passed by reference.
6648 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6649 * omp-low.c (use_pointer_for_field): Don't look at
6650 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6651 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6652 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6653 time or var for passing by reference for
6654 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6655 TREE_ADDRESSABLE variables when passing by reference.
6657 * omp-low.c (dump_omp_region): Fix output formatting.
6660 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6661 (expand_omp_parallel): Likewise.
6662 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6665 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6666 on statement list containing also constructors and destructors.
6667 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6670 * except.c (duplicate_eh_regions): Fix clearing of
6671 cfun->eh->region_array entries.
6673 2006-05-01 DJ Delorie <dj@redhat.com>
6675 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6677 (gcc_cv_objdump): Likewise.
6678 * configure: Regenerated.
6680 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6683 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6684 templates for case 3 and 4.
6686 2006-05-01 DJ Delorie <dj@redhat.com>
6688 * vec.c: Include bconfig.h when appropriate.
6689 * Makefile.in (build/vec.o): Adjust dependencies.
6690 * mkconfig.sh: Make sure config.h isn't used for build machine
6693 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6695 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6697 (mark_phi_for_rewrite): New function.
6698 (insert_phi_nodes_for, mark_use_interesting): Call
6699 mark_phi_for_rewrite.
6700 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6701 (update_ssa): Initialize and free phis_to_rewrite.
6703 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6705 PR rtl-optimization/27291
6706 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6707 folded to a constant.
6709 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6711 PR tree-optimization/27283
6712 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6713 not whole # of iteration descriptions.
6714 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6715 uses abnormal ssa name.
6716 (niter_for_single_dom_exit): Ditto.
6717 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6718 return just the number of iterations.
6720 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6722 PR tree-optimization/27144
6723 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6724 (record_estimate): Only record constant upper bound.
6725 (infer_loop_bounds_from_undefined): Call
6726 compute_estimated_nb_iterations just once.
6727 (proved_non_wrapping_p): Renamed to ...
6728 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6729 (convert_step_widening, scev_probably_wraps_p): Call
6730 n_of_executions_at_most instead of proved_non_wrapping_p.
6731 (substitute_in_loop_info): Do not replace values in bounds.
6732 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6735 2006-05-01 Richard Henderson <rth@redhat.com>
6738 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6739 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6742 2006-05-01 Roger Sayle <roger@eyesopen.com>
6744 * c-typeck.c (parser_build_binary_op): Don't call the function
6745 unsigned_conversion_warning to spot operand/result type overflow.
6746 (build_binary_op): Instead, call convert_and_check instead of
6747 convert to report the problem when the operands are promoted.
6748 * c-common.c (unsigned_conversion_warning): Make static.
6749 * c-common.h (unsigned_conversion_warning): Delete prototype.
6751 2006-05-01 Richard Guenther <rguenther@suse.de>
6753 PR tree-optimization/26726
6754 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6756 (find_interesting_uses_address): ... we work around here
6757 by folding INDIRECT_REFs in the substituted base.
6759 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6761 * omp-low.c (dump_omp_region): Add newlines.
6763 2006-04-30 Roger Sayle <roger@eyesopen.com>
6765 * common.opt (Woverflow): New command line option.
6766 * c-common.c (constant_expression_warning): Check warn_overflow.
6767 (overflow_waring): Pass OPT_Woverflow to warning.
6768 (unsigned_conversion_warning): Likewise.
6769 (convert_and_check): Likewise.
6770 * doc/invoke.texi: Document new command line option.
6772 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6774 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6775 TARGET_NO_FP_IN_TOC for section anchors.
6776 (optimization_options): Enable section anchors for all
6777 non-"Objective" languages.
6779 2006-04-28 Eric Christopher <echristo@apple.com>
6781 * config/darwin-c.c (darwin_ms_struct): Move this
6782 (darwin_set_default_type_attributes): and this...
6783 * config/darwin.c: ... here.
6784 * config/darwin.h (darwin_ms_struct): Declare.
6786 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6788 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6790 2006-04-28 Roger Sayle <roger@eyesopen.com>
6793 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6794 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6795 an unsigned HOST_WIDE_INT.
6796 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6798 (really_start_incremental_init): No need to call convert because
6799 bitsize_zero_node is already of type bitsizetype.
6800 (push_init_level): Extract the value of constructor_index as an
6801 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6802 (process_init_element): Likewise.
6804 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6806 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6807 value before passing to make_relative_prefix.
6809 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6812 * builtins.c (expand_builtin_memset): Expand val in original mode.
6814 2006-04-27 Eric Christopher <echristo@apple.com>
6816 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6817 with #ifndef/#endif.
6818 * config/darwin-c.c (darwin_ms_struct): New.
6819 (darwin_pragma_ms_struct): Ditto.
6820 (darwin_set_default_type_attributes): Ditto.
6821 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6822 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6823 Register ms_struct pragma.
6824 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6825 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6826 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6827 darwin_set_default_type_attributes if TARGET_MACHO.
6829 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6831 PR tree-optimization/26854
6832 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6833 * doc/tree-ssa.texi: Update immuse iterator documentation.
6834 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6835 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6836 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6837 first_safe_imm_use, next_safe_imm_use): Remove.
6838 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6839 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6840 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6841 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6842 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6843 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6844 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6845 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6846 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6847 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6848 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6849 (perfect_nestify): Use new iterator.
6850 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6852 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6853 (next_imm_name): New field in struct immediate_use_iterator_d.
6854 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6855 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6856 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6857 * tree-cfg.c (replace_uses_by): Use new iterator.
6858 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6859 * tree-ssa-operands.c (correct_use_link): Remove.
6860 (finalize_ssa_use_ops): No longer call correct_use_link.
6862 2006-04-27 Stuart Hastings <stuart@apple.com>
6864 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6865 * config/t-darwin (crt3.o): Use it.
6866 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6867 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6868 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6869 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6870 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6873 2006-04-27 Roger Sayle <roger@eyesopen.com>
6875 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6876 size, force the intermediate into a new pseudo rather instead of
6877 performing both a bitwise AND and a bitwise IOR in memory.
6879 2006-04-27 Richard Guenther <rguenther@suse.de>
6881 PR rtl-optimization/26685
6882 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6883 this one "max-flow-memory-locations".
6885 2006-04-27 Richard Guenther <rguenther@suse.de>
6887 PR tree-optimization/25148
6888 * tree-vrp.c (compare_values): Remove code dealing with
6889 comparisons against type min/max value. Honour overflow
6890 and negative constants in code dealing with comparisons
6891 of plus and minus expressions.
6892 (value_inside_range): Use fold_binary with LE_EXPR and
6893 GE_EXPR rather than compare_values.
6895 2006-04-27 Dirk Mueller <dmueller@suse.de>
6897 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6900 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6902 * basic-block.h (safe_insert_insn_on_edge): Removed.
6903 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6905 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6906 Paolo Bonzini <bonzini@gnu.org>
6909 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6910 (simplify_and_const_int): Same.
6912 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6914 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6916 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6919 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6920 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6921 cgraph_global_info_ready.
6924 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6927 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6928 either decl or init is error_mark_node.
6931 * tree-flow.h (struct omp_region): Add sched_kind.
6932 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6933 instead of extracting omp for data.
6934 (expand_omp_for): Save extracted sched_kind.
6936 2006-04-25 Roger Sayle <roger@eyesopen.com>
6938 * expmed.c (store_bit_field): Also check whether the bitsize is
6939 valid for the machine's "insv" instruction before moving the
6940 target into a pseudo for use with the insv.
6941 * config/i386/predicates.md (const8_operand): New predicate.
6942 * config/i386/i386.md (extv, extzv, insv): Use the new
6943 const8_operand predicate where appropriate.
6945 2006-04-25 DJ Delorie <dj@redhat.com>
6947 * doc/install.texi (Specific): Clarify that this is not a list of
6948 supported hosts or targets.
6950 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6952 PR rtl-optimization/26725
6953 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6954 block's BB_DIRTY flag.
6956 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6958 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6961 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6962 to print an integer.
6964 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6966 * varasm.c (align_variable): New function.
6967 (get_block_for_decl): Apply align_variable to DECL before
6968 calculating section information.
6969 (assemble_variable): Split out alignment computation.
6971 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6973 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6976 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6978 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6979 MODE_PARTIAL_INT mode.
6980 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6981 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6983 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6984 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6986 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6988 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6990 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6991 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6992 MACFLAG_IH): Likewise.
6993 (movstricthi_1): Renamed from "*movstricthi".
6994 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6995 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6996 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6997 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6998 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6999 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7000 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7001 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7002 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7003 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7004 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7005 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7006 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7007 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7008 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7010 * doc/rtl.texi (ss_ashift): Improve wording.
7012 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7014 * dwarf2out.c (verify_marks_clear): New.
7015 (prune_unused_types): Call verify_marks_clear initially, not
7018 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7020 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7021 * doc/rtl.texi: Document them.
7022 * simplify-rtx.c (simplify_unary_operation,
7023 simplify_binary_operation_1): Don't abort when we see them.
7025 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7028 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7029 * configure.ac: Completely disregard languages that are not
7031 * configure: Regenerated.
7033 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7034 Richard Guenther <rguenther@suse.de>
7036 PR tree-optimization/27236
7037 * tree-inline.c (copy_body_r): Make sure to copy
7038 TREE_THIS_VOLATILE flag.
7040 2006-04-24 Richard Guenther <rguenther@suse.de>
7043 * tree-complex.c (update_parameter_components): Don't handle
7044 unused parameters which have no default def.
7046 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7047 Richard Guenther <rguenther@suse.de>
7049 PR tree-optimization/27218
7050 * tree-inline.c (expand_call_inline): Strip useless type
7051 conversions for the return slot address.
7053 2006-04-24 Richard Guenther <rguenther@suse.de>
7055 * cfgloop.h (struct loops): Remove unused field array. Reorder
7057 (LOOP_PREFETCH): Remove.
7059 2006-04-24 Richard Guenther <rguenther@suse.de>
7061 PR tree-optimization/22525
7062 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7063 variable, adjust types of generated expressions.
7065 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7067 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7068 (tree-vect-patterns.o): Likewise.
7070 (cselib.o): Likewise.
7071 (loop-doloop.o): Likewise.
7072 (regclass.o): Likewise.
7073 (reload1.o): Likewise.
7074 (explow.o): Replace target.h with $(TARGET_H).
7075 (ipa-prop.o): Likewise.
7076 (ipa-cp.o): Likewise.
7077 (ipa-inline.o): Likewise.
7078 (reorg.o): Likewise.
7079 (reg-stack.o): Likewise.
7081 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7083 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7085 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7087 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7089 * configure.ac: Completely disregard languages that are not
7091 * configure: Regenerated.
7094 * c-common.h (c_build_bitfield_integer_type): Declare.
7095 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7096 * c-common.c (c_build_bitfield_integer_type): ... here.
7098 2006-04-23 Roger Sayle <roger@eyesopen.com>
7101 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7102 a SImode SUBREG of a floating point register after no_new_pseudos.
7104 2006-04-23 Roger Sayle <roger@eyesopen.com>
7106 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7107 identify potentially eliminable registers to additionally catch
7108 VIRTUAL_INCOMING_ARGS_REGNUM.
7109 (addsi3): Update the conditions on when to use addsi_small_int.
7111 2006-04-23 Roger Sayle <roger@eyesopen.com>
7114 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7115 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7116 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7118 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7120 * fold-const.c (range_predecessor): Use operand_equal_p
7121 as the predicate for equality.
7122 (range_successor): Likewise.
7124 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7127 * config/soft-fp/op-common.h: Fix a typo.
7129 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7132 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7133 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7135 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7137 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7139 * doc/tm.texi: Fix a typo.
7141 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7143 * dwarf2out.c (struct die_struct): Document that die_sib makes
7144 a circular linked list.
7145 (FOR_EACH_CHILD): New.
7146 (reverse_die_lists): Delete.
7147 (reverse_all_dies): Delete.
7148 (add_dwarf_attr): Correct documentation.
7149 (remove_child_with_prev): New.
7150 (remove_child_TAG): Update for change to die_struct, use
7151 remove_child_with_prev.
7152 (add_child_die): Update for change to die_struct.
7153 (splice_child_die): Use remove_child_with_prev and add_child_die.
7154 (print_die): Use FOR_EACH_CHILD.
7155 (die_checksum): Likewise.
7156 (assign_symbol_names): Likewise.
7157 (output_location_lists): Likewise.
7158 (build_abbrev_table): Likewise.
7159 (calc_die_sizes): Likewise.
7160 (mark_dies): Likewise.
7161 (unmark_dies): Likewise.
7162 (unmark_all_dies): Likewise.
7163 (output_die): Likewise.
7164 (prune_unused_types_mark): Likewise.
7165 (prune_unused_types_walk): Likewise.
7166 (same_die_p): Update for change to die_struct.
7167 (break_out_includes): Likewise.
7168 (prune_unused_types_prune): Likewise.
7169 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7170 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7172 (dwarf2out_finish): Don't call reverse_all_dies.
7174 2006-04-21 Eric Christopher <echristo@apple.com>
7176 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7177 in comments and function names.
7179 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7182 * c-typeck.c (digest_init): Robustify.
7184 * c-typeck.c (pop_init_level): Simplify.
7186 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7188 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7190 2006-04-21 Paul Brook <paul@codesourcery.com>
7192 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7193 hardware floating point.
7195 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7197 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7200 2006-04-21 Nick Clifton <nickc@redhat.com>
7202 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7205 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7208 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7209 C++ lang type in traceback table for Objective-C++.
7211 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7213 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7215 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7217 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7220 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7221 were errors. Remove check for erroneous objects.
7223 2006-04-20 Jeff Law <law@redhat.com>
7225 PR tree-optimization/26854
7226 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7227 checking for zero or one use.
7228 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7229 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7230 * tree-ssa-reassoc.c (negate_value): Similarly.
7231 (reassociate_bb): Similarly.
7233 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7235 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7236 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7237 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7239 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7241 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7242 fp regs if the last fp arg doesn't fit in regs.
7244 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7247 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7248 that the last insn has the REG_INC note.
7250 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7251 Nathan Sidwell <nathan@codesourcery.com>
7254 * stor-layout.c (update_alignment_for_field): Do not align
7256 (place_union_field): Place union field at the start of the union.
7257 (place_field): Move ERROR_MARK check later, and use the current
7258 allocation position to maintain monotonicity.
7260 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7262 * dominance.c: Include timevar.h.
7263 (calculate_dominance_info): Use TV_DOMINANCE.
7264 * timevar.def (TV_DOMINANCE): New timevar.
7265 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7267 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7269 PR rtl-optimization/14261
7270 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7271 move would be an INSV insn.
7272 (noce_process_if_block): Don't optimize if the destination is a
7273 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7275 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7277 * config/s390/s390.md: Add comments with the instructions emitted
7278 by an insn pattern if macros are used.
7280 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7282 PR rtl-optimization/26026
7283 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7284 is a known power of two shifted left a variable amount.
7286 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7288 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7289 to hash table twice when the debug_str section has SECTION_MERGE.
7291 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7293 * config/soft-fp: New directory. From glibc.
7294 * config/soft-fp/t-softfp: New.
7295 * config/soft-fp/README: New.
7296 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7297 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7298 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7299 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7300 * config.gcc: Use rs6000/t-fprules-fpbit or
7301 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7303 * config/rs6000/sfp-machine.h: New. Based on glibc.
7304 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7306 * config/rs6000/t-fprules: Remove fp-bit rules.
7307 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7308 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7309 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7310 (softfp_wrap_start, softfp_wrap_end): New.
7312 2006-04-18 DJ Delorie <dj@redhat.com>
7314 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7316 2006-04-18 Devang Patel <dpatel@apple.com>
7318 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7320 2006-04-18 Nick Clifton <nickc@redhat.com>
7322 * config/sh/t-symbian: Add rule to build sh-c.o
7323 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7324 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7325 (sh_symbian_encode_section_info): Likewise.
7327 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7329 * builtins.c (expand_builtin_strcmp): Cover label definition of
7330 do_libcall with HAVE_cmpstrnsi.
7332 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7334 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7336 * function.h (temp_slot_p): New.
7337 (function): Change the type of x_used_temp_slots to
7338 VEC(temp_slot_p,gc) *.
7340 2006-04-18 Nick Clifton <nickc@redhat.com>
7342 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7343 flag_strength_reduce.
7345 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7347 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7351 Partial revert of revision 112637
7352 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7353 Dale Johannesen <dalej@apple.com>
7356 * regclass.c (struct reg_pref): Update documentation.
7357 (regclass): Set prefclass to NO_REGS if memory is the best option.
7358 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7360 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7362 PR tree-optimization/26821
7363 * tree-ssa-math-opts.c (get_constant_one): New.
7364 (insert_reciprocals): Use it.
7366 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7368 * dwarf2out.c (free_AT): Delete.
7369 (remove_AT): Update string ref counts.
7370 (remove_child_TAG): Don't call free_die.
7372 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7373 or DW_TAG_GNU_EINCL.
7374 (prune_unused_types_walk_attribs): Reset string refcounts.
7375 (prune_unused_types_update_strings): New.
7376 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7377 call free_die. Do call prune_unused_types_update_strings.
7378 (prune_unused_types): Empty debug_str_hash.
7380 2006-04-17 Roger Sayle <roger@eyesopen.com>
7382 * expr.c (expand_assignment): Optimize away no-op moves where the
7383 source and destination are equal and have no side-effects.
7385 2006-04-17 Richard Guenther <rguenther@suse.de>
7388 * reload.c (push_reload): Guard calls to get_secondary_mem
7391 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7393 * alias.c (reg_base_value, old_reg_base_value): Change the
7394 type to VEC(rtx,gc) *.
7395 (REG_BASE_VALUE, find_base_value, record_set,
7396 init_alias_analysis): Use VEC instead of VARRAY.
7398 * alias.c (alias_sets): Change the type to
7399 VEC(alias_set_entry,gc) *.
7400 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7401 VEC instead of VARRAY.
7402 (last_alias_set): Remove.
7404 * cgraph.h (cgraph_edge_p): New.
7405 Update the prototype of cgraph_function_versioning.
7406 * cgraphunit.c (cgraph_copy_node_for_versioning,
7407 cgraph_function_versioning): Use VEC instead of VARRAY.
7408 * ipa-cp.c (ipcp_insert_stage): Likewise.
7410 2006-04-16 Roger Sayle <roger@eyesopen.com>
7413 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7414 "A op B" or "A op C", we may need to convert A to the type of B and C.
7416 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7418 * target.h (struct gcc_target): Add mode_rep_extended.
7419 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7420 (init_num_sign_bit_copies_in_rep): Initialize it using
7422 (truncate_to_mode): Use it.
7423 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7424 * targhooks.h (default_mode_rep_extended): Declare it.
7425 * targhooks.c (default_mode_rep_extended): Define it.
7426 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7427 default_mode_rep_extended.
7428 (TARGET_INITIALIZER): Include it.
7429 * doc/tm.texi (Misc): Document it.
7430 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7431 (mips_truncated_to_mode): New function.
7433 2006-04-16 Roger Sayle <roger@eyesopen.com>
7436 * expr.c (compress_float_constant): Copy the narrow constant into
7437 a new pseudo before extending it to its final width.
7439 2006-04-16 Roger Sayle <roger@eyesopen.com>
7440 Andrew Pinski <pinskia@gcc.gnu.org>
7441 Dale Johannesen <dalej@apple.com>
7444 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7445 special case code to implement V8HImode and V16QImode with SSE2.
7447 2006-04-15 Roger Sayle <roger@eyesopen.com>
7449 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7450 trees are constructed with a suitable tree type.
7452 2006-04-15 Roger Sayle <roger@eyesopen.com>
7454 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7455 (integer_onep): Likewise.
7456 (integer_all_onesp): Likewise.
7457 (integer_pow2p): Likewise.
7458 (integer_nonzerop): Likewise.
7459 (real_zerop): Likewise.
7460 (real_onep): Likewise.
7461 (real_twop): Likewise.
7462 (real_minus_onep): Likewise.
7463 (int_size_in_bytes): Likewise.
7464 (host_integerp): Likewise.
7466 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7468 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7469 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7470 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7472 * tree-ssa-structalias.h (alias_info): Remove num_references.
7474 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7476 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7477 (output_bvb patterns): Likewise.
7478 * pa.c (output_bb): Use 'bb' insn for long branch case.
7479 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7480 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7481 1. Correct length operand for alternatives 1 and 2.
7482 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7483 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7485 2006-04-14 Roger Sayle <roger@eyesopen.com>
7487 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7488 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7489 were accidentally reverted by r112959.
7491 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7494 * except.h (eh_region_outermost): New prototype.
7495 * except.c (eh_region_outermost): New function.
7496 * tree-cfg.c (find_outermost_region_in_block): Use it.
7498 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7500 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7502 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7503 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7504 (init_reload, reload): Use VEC instead of VARRAY.
7505 * reload.h: Update the prototype for
7506 reg_equiv_memory_loc_varray.
7508 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7509 Eric Botcazou <ebotcazou@libertysurf.fr>
7511 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7514 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7517 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7518 to expand fallback builtin function call.
7520 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7523 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7524 and emit libcall here in case the builtin fails.
7525 (expand_builtin_strcmp): Always emit the libcall here on failure.
7527 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7529 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7530 * flow.c (reg_n_info): Change the type to
7531 VEC(reg_info_p,heap) *.
7532 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7534 * regs.h (reg_info_p): New.
7535 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7536 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7537 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7540 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7542 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7544 * params.h (MAX_SCHED_READY_INSNS): New macro.
7545 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7546 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7547 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7548 the ready list for 1 cycle during the first scheduling pass.
7549 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7551 2006-04-13 Richard Henderson <rth@redhat.com>
7554 * gimple-low.c (lower_omp_directive): Remove dead code.
7555 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7556 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7557 * omp-low.c (struct omp_region): Move to tree-flow.h.
7558 (root_omp_region): Export.
7559 (omp_regions, lookup_omp_region): Remove.
7560 (determine_parallel_type): Update for struct omp_region changes.
7561 (dump_omp_region): Dump regions with block numbers.
7562 (new_omp_region): Take type and block instead of stmt; malloc
7564 (free_omp_region_1, free_omp_regions): New.
7565 (expand_parallel_call): Take entry_stmt as argument; update for
7566 changes to omp_region.
7567 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7568 (remove_exit_barriers): New.
7569 (expand_omp_parallel): Update for struct omp_region changes.
7570 (expand_omp_synch): Likewise.
7571 (expand_omp): Likewise.
7572 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7573 (expand_omp_for_static_chunk): Likewise.
7574 (expand_omp_for): Likewise.
7575 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7576 (expand_omp_sections): Similarly, with GOMP_sections_end.
7577 (expand_omp_single): New.
7578 (build_omp_regions_1): Update for OMP_CONTINUE.
7579 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7580 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7581 OMP_SECTIONS_SECTIONS.
7582 (lower_omp_single_simple): Don't emit barrier here.
7583 (lower_omp_single_copy): Likewise.
7584 (lower_omp_single): Fix bindings, and lower to straightline now.
7585 (lower_omp_master, lower_omp_ordered): Likewise.
7586 (lower_omp_critical): Likewise.
7587 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7588 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7589 omp edges, free it afterward.
7590 (make_omp_sections_edges): Remove.
7591 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7592 (move_stmt_r): Handle OMP_CONTINUE.
7593 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7594 statement pointers to basic blocks. Add type member.
7595 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7596 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7597 * tree-inline.c (estimate_num_insns_1): Likewise.
7598 * tree-pretty-print.c (dump_generic_node): Likewise.
7599 * tree-ssa-operands.c (get_expr_operands): Likewise.
7600 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7601 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7602 (OMP_CONTINUE): New.
7603 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7604 (OMP_SECTIONS_SECTIONS): Remove.
7605 (OMP_SECTION_LAST): New.
7606 (OMP_RETURN_NOWAIT): New.
7608 2006-04-13 Roger Sayle <roger@eyesopen.com>
7610 * fold-const.c (native_encode_vector, native_interpret_real):
7611 Correct obvious mistakes in the previous check-in.
7613 2006-04-13 Roger Sayle <roger@eyesopen.com>
7615 * fold-const.c (native_encode_expr): New function to encode
7616 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7617 or VECTOR_CST into a specified buffer.
7618 (native_encode_int): New function.
7619 (native_encode_real): New function.
7620 (native_encode_complex): New function.
7621 (native_encode_vector): New function.
7622 (native_interpret_expr): Inverse of native_encode_expr to convert
7623 a target representation into an INTEGER_CST, REAL_CST etc...
7624 (native_interpret_int): New function.
7625 (native_interpret_real): New function.
7626 (native_interpret_complex): New function.
7627 (native_interpret_vector): New function.
7628 (fold_view_convert_expr): New function to constant fold/evaluate
7629 a VIEW_CONVERT_EXPR of a suitable constant expression.
7630 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7631 Change call of build1 to fold_build1 when constructing a
7634 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7635 Ulrich Weigand <uweigand@de.ibm.com>
7638 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7641 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7644 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7645 optimize to lo_sum for DFmode if !TARGET_FPRS.
7647 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7649 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7650 delete_alias_info, compute_flow_sensitive_aliasing,
7651 group_aliases): Use VEC instead of VARRAY.
7652 * tree-ssa-structalias.c (update_alias_info): Likewise.
7653 * tree-ssa-structalias.h (alias_info): Change the type of
7654 processed_ptrs to VEC(tree,heap) *.
7656 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7659 * config/sh/lib1funcs.h: New file, broken out of:
7660 * config/sh/lib1funcs.asm.
7661 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7663 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7664 * config/sh/lib1funcs-Os-4-200.asm: New file.
7665 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7666 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7667 (EXTRA_MULTILIB_PARTS): Include it.
7668 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7669 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7670 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7671 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7674 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7676 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7677 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7678 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7680 * tree-ssa-live.h: Include vecprim.h.
7681 (tree_partition_associator_d): Change the type of
7682 first_partition to VEC(int,heap) *.
7683 (tpa_first_partition): Use VEC instead of VARRAY.
7685 * Makefile.in (GTFILES): Move functions.h after tree.h.
7686 * function.c (reset_block_changes, record_block_change,
7687 check_block_change, free_block_changes): Use VEC instead of
7689 * function.h (function): Change the type of
7690 ib_boundaries_block to VEC(tree,gc) *.
7691 * tree-inline.c (copy_cfg_body): Initialize
7692 ib_boundaries_block to NULL instead of (varray_type) 0.
7694 2006-04-12 Roger Sayle <roger@eyesopen.com>
7696 * expr.c (emit_group_store): Correct operand order in call to
7697 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7698 a SUBREG_BYTE of zero.
7700 2006-04-12 Richard Guenther <rguenther@suse.de>
7702 * profile.c (compute_branch_probabilities): Remove code
7703 encapsulated in !ir_type (), which are remanents of the
7704 removed RTL profiling code.
7705 * rtl-profile.c: Remove.
7707 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7709 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7710 magic NULL_RTX comment.
7711 (function_arg): Store entire fp arg to mem if any part should go
7713 (rs6000_arg_partial_bytes): Adjust for above change.
7715 2006-04-11 Roger Sayle <roger@eyesopen.com>
7717 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7718 if it hasn't been initialized by dwarf2out_init.
7720 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7722 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7723 symbolic constants in branch patterns.
7725 2006-04-11 Roger Sayle <roger@eyesopen.com>
7727 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7729 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7731 PR rtl-optimization/27073
7732 * gcse.c (try_replace_reg): Revert last change. Continue to search
7733 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7736 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7738 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7739 aggregate types other than record and union types.
7740 (function_arg): Likewise.
7741 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7743 (function_value): In 64-bit mode, return objects that require it
7746 2006-04-11 Roger Sayle <roger@eyesopen.com>
7748 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7750 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7752 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7754 2006-04-03 Jeff Law <law@redhat.com>
7757 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7758 alias information too.
7760 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7762 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7764 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7767 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7768 (premark_used_types_helper): New.
7769 (premark_used_types): New.
7770 (gen_subprogram_die): Call premark_used_types.
7771 (prune_unused_types_walk): Do not prune perennial dies.
7772 * function.c (used_types_insert): New.
7773 * function.h (struct function): Add used_types_hash field.
7774 (used_types_insert): Add prototype.
7775 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7776 * c-parser.c (c_parser_cast_expression): Save casted types in used
7779 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7782 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7783 rs6000_explicit_options.float_gprs.
7785 2006-04-10 Roger Sayle <roger@eyesopen.com>
7787 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7788 from ix86_expand_vector_init_low_nonzero. Take an additional
7789 one_var argument indicating which element is non-zero. Support
7790 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7791 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7792 with one_var instead of ix86_expand_vector_init_low_nonzero.
7794 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7796 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7797 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7798 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7799 build/genextract.o): Depend on vecprim.h.
7800 * cfglayout.c, df-problems.c, function.c, genextract.c,
7801 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7802 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7806 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7808 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7809 Declare VECs of this type.
7810 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7811 (remove_children): Delete.
7812 (add_dwarf_attr): Use VEC routines.
7813 (add_AT_flag): Update for changes to add_dwarf_attr.
7814 (add_AT_int): Likewise.
7815 (add_AT_unsigned): Likewise.
7816 (add_AT_long_long): Likewise.
7817 (add_AT_vec): Likewise.
7818 (add_AT_string): Likewise.
7819 (add_AT_die_ref): Likewise.
7820 (add_AT_fde_ref): Likewise.
7821 (add_AT_loc): Likewise.
7822 (add_AT_loc_list): Likewise.
7823 (add_AT_addr): Likewise.
7824 (add_AT_lbl_id): Likewise.
7825 (add_AT_lineptr): Likewise.
7826 (add_AT_macptr): Likewise.
7827 (add_AT_offset): Likewise.
7828 (add_AT_range_list): Likewise.
7829 (get_AT): Use VEC_iterate.
7830 (remove_AT): Use VEC_ordered_remove.
7831 (free_die): Fold remove_children into here; have it use VEC_iterate.
7832 (print_die): Use VEC_iterate on attrs.
7833 (reverse_die_lists): Don't reverse attr lists.
7834 (die_checksum): Use VEC_iterate on attrs.
7835 (same_die_p): Likewise.
7836 (output_location_lists): Likewise.
7837 (build_abbrev_table): Likewise.
7838 (size_of_die): Likewise.
7839 (unmark_all_dies): Likewise.
7840 (output_abbrev_section): Likewise.
7841 (output_die): Likewise.
7842 (prune_unused_types_walk_attribs): Likewise.
7844 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7846 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7848 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7851 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7853 2006-04-09 Roger Sayle <roger@eyesopen.com>
7855 * expr.c (store_constructor): Don't bother clearing target if
7856 we're about to assign a vector to it using vec_init_optab.
7858 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7860 * tree-ssa-alias.c (lhs_may_store_to): New function.
7861 (recalculate_used_alone): Handle LHS of calls.
7863 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7867 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7868 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7869 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7870 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7871 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7872 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7873 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7874 stubs. Add ".align 8" directives before all ".dword" directives.
7875 (GTHREAD_USE_WEAK): Revise comment.
7876 (TARGET_ATTRIBUTE_WEAK): Define.
7877 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7878 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7879 * stublib.c: New file.
7884 * pa.md (cbranch patterns): Revise arguments used in calls to
7885 output_cbranch, output_bb and output_bvd. Add long branch length
7887 (fbranch patterns): Handle long branches.
7888 (jump): Revise length check. Revise arguments for output_lbranch call.
7889 Add long branch length attributes.
7890 (decrement_and_branch_until_zero): Add long branch length attributes.
7891 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7892 Likewise. Revise arguments for output_parallel_addb and
7893 output_parallel_movb calls.
7894 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7895 output_parallel_movb and output_parallel_addb): Update prototypes.
7896 * pa.c (output_cbranch): Revise arguments. Correct handling of
7897 nullification in long branches.
7898 (output_lbranch): Add new argument to control extraction of delay
7900 (output_bb): Handle long branches.
7901 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7902 output_parallel_addb): Likewise.
7904 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7906 PR rtl-optimization/27073
7907 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7910 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7912 * tree.h (tree_memory_tag): Add old_used_alone.
7913 (SMT_OLD_USED_ALONE): New macro.
7914 * tree-ssa-alias.c (recalculate_used_alone): Stop
7915 marking things for renaming unnecessarily.
7917 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7919 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7920 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7921 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7922 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7923 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7924 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7925 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7926 spelling convensions.
7927 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7928 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7929 typos. Follow spelling conventions.
7931 2006-04-07 DJ Delorie <dj@redhat.com>
7933 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7934 passed on the stack.
7935 (m32c_init_cumulative_args): When a function returns a structure,
7936 always pass the pointer to that return area on the stack.
7937 (m32c_function_arg_advance): Don't increment the parameter number
7938 if we're processing the returned structure pointer.
7939 (pushm_info): Reverse order of registers.
7941 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7943 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7944 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7945 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7946 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7948 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7949 chrec_fold_multiply): Same.
7950 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7951 force_expr_to_var_cost): Same.
7952 * tree-mudflap.c (mf_xform_derefs_1): Same.
7953 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7955 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7957 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7958 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7961 2006-04-07 Jan Hubicka <jh@suse.cz>
7963 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7965 2006-04-07 Richard Guenther <rguenther@suse.de>
7967 PR tree-optimization/26135
7968 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7969 loads for store copy-prop.
7970 (copy_prop_visit_stmt): Likewise.
7972 2006-04-05 Robert Millan <robertmh@gnu.org>
7974 * config/i386/linux.h: Add a comment to mark macros that are
7975 being overriden in config/k*bsd-gnu.h.
7976 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7978 * config/knetbsd-gnu.h: Ditto.
7980 2006-04-06 Jan Hubicka <jh@suse.cz>
7984 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7987 2006-04-06 Mike Stump <mrs@apple.com>
7989 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7990 for HAVE_nonlocal_goto to be consistent.
7991 (expand_builtin_nonlocal_goto): Likewise.
7992 (expand_builtin_strcmp): Use #ifdef instead of #if
7993 for HAVE_cmpstrnsi to be consistent.
7995 2006-04-05 DJ Delorie <dj@redhat.com>
7997 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8000 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8002 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8003 got-relative addressing for anything but SImode.
8005 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8006 even if the calling function doesn't modify them.
8008 2006-04-05 Richard Guenther <rguenther@suse.de>
8010 PR tree-optimization/26919
8011 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8012 to cgraph_estimate_size_after_inlining.
8014 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8016 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8018 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8020 PR tree-optimization/26996
8021 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8022 VECTOR_TYPE variables.
8024 2006-04-05 Richard Guenther <rguenther@suse.de>
8026 PR tree-optimization/26763
8027 * fold-const.c (fold_comparison): Move folding of
8028 PTR + CST CMP PTR + CST ...
8029 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8031 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8033 * doc/install.texi (Prerequisites): Refine some wording on
8034 bootstrapping and ksh.
8035 Move the version numbers of DejaGnu here from the testing section
8036 and fix casing of names.
8037 Fix markup and clarify wording for autogen requirements.
8038 Refer to GCJ instead of just java.
8039 Refer to SVN instead of CVS.
8040 Describe diffutils as useful instead of necessary.
8041 (Downloading the source): Refer to SVN instead of CVS.
8042 Adjust a link to our web site accordingly.
8043 (Configuration): Fix casing of Bison.
8044 (Building): Refer to SVN instead of CVS.
8045 Fix a sentence on the use of Bison and remove duplicate (and
8046 incorrect) version number of Bison requirement.
8047 Remove one redundant list of packages needed for building.
8048 (Specific): Avoid reference to CVS.
8050 2006-04-04 Eric Christopher <echristo@apple.com>
8052 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8053 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8054 (rs6000_handle_struct_attribute): New.
8055 (rs6000_ms_bitfield_layout_p): Ditto.
8057 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8059 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8060 NULL for dso parameter to atexit_common.
8062 2006-04-04 Eric Christopher <echristo@apple.com>
8064 * config/i386/i386.c (machopic_output_stub): Output \t
8065 between instructions and operands.
8067 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8069 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8070 satisfies_constraint_[IL] to explicit tests on value.
8072 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8074 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8075 set_nb_iterations_in_loop): Use build_int_cst instead of
8077 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8078 build_int_cst instead of convert.
8080 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8082 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8083 new value 2 for incoming.
8084 * function.c (expand_function_start): Call struct_value_rtx
8086 * config/sparc/sparc.md: Comment updated_return.
8087 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8088 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8089 struct return if sparc_std_struct_return and incoming is 2.
8090 (print_operand): Do not adjust return if
8091 sparc_std_struct_return.
8093 2006-04-04 Roger Sayle <roger@eyesopen.com>
8095 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8096 convert in the middle-end.
8097 * expr.c (store_expr, store_constructor, get_inner_reference,
8098 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8100 * tree.c (build_range_type): Likewise.
8102 2006-04-04 Tom Tromey <tromey@redhat.com>
8104 * doc/install.texi (Prerequisites): Mention jar.
8106 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8108 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8111 2006-04-04 Matthias Klose <doko@debian.org>
8113 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8117 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8120 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8122 * doc/extend.texi (Function Attributes): Rewrite visibility
8123 attribute documentation.
8124 * doc/invoke.texi (C++ Dialect Options): Rewrite
8125 -fvisibility-inlines-hidden documentation to describe something
8126 entirely different, although in practise compatible.
8127 (Code Gen Options): Warn about system headers in -fvisibility=
8130 * doc/extend.texi (Other Builtins): Document that
8131 __builtin_nan is a compile-time constant only when its argument
8134 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8136 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8137 trying to remove TRUNCATE check if all bits outside the new mode
8138 are identical to the sign bit.
8140 2006-04-03 Jeff Law <law@redhat.com>
8142 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8143 and operand scanning in some common cases.
8145 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8146 Dale Johannesen <dalej@apple.com>
8149 * regclass.c (struct reg_pref): Update documentation.
8150 (regclass): Set prefclass to NO_REGS if memory is the best option.
8151 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8152 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8153 into account. For non-registers, equate an empty preferred
8154 reload class to a `!' in the constraint; move the if clause to
8155 do so after those that reject the insn.
8156 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8158 (find_dummy_reload): Likewise.
8159 * doc/tm.texi (Register Classes): Document what it means
8160 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8161 * config/i386/i386.c (ix86_preferred_reload_class): Force
8162 using SSE registers (and return NO_REGS for floating-point
8163 constants) if math is done with SSE.
8164 (ix86_preferred_output_reload_class): New.
8165 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8166 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8167 * config/i386/i386.md: Remove # register preferences.
8169 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8172 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8173 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8174 the type of nb_iter.
8175 (instantiate_parameters_1): Convert the operands before calling
8176 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8177 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8179 2006-04-02 Roger Sayle <roger@eyesopen.com>
8181 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8182 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8184 * dojump.c (do_jump): Likewise.
8185 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8186 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8187 gimplify_boolean_expr): Likewise.
8188 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8189 * varasm.c (array_size_for_constructor): Likewise.
8190 * tree-object-size.c (compute_object_offset): Likewise.
8192 2006-04-02 Roger Sayle <roger@eyesopen.com>
8195 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8196 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8198 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8200 PR tree-optimization/26939
8201 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8203 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8205 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8206 at_stmt. Convert the type of operands before calling
8207 build_polynomial_chrec.
8208 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8210 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8211 (instantiate_parameters_1): Convert the type of operands before calling
8212 build_polynomial_chrec.
8213 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8214 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8215 reset_evolution_in_loop): Insert asserts to check the types of the
8217 (chrec_type): Moved...
8218 (eq_evolutions_p): Use operand_equal_p.
8219 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8220 the types of the operands.
8221 (chrec_type): ...here.
8222 * tree-data-ref.c (create_data_ref): Convert the operands before
8223 calling chrec_replace_initial_condition.
8224 (same_access_functions, analyze_subscript_affine_affine,
8225 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8226 (compute_subscript_distance, analyze_ziv_subscript,
8227 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8228 analyze_miv_subscript): Convert the operands before calling
8229 chrec_fold_minus or chrec_fold_plus.
8231 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8233 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8234 the dependence_relations vector.
8235 (compute_data_dependences_for_loop): Adjust call to
8236 compute_all_dependences.
8238 2006-04-01 Roger Sayle <roger@eyesopen.com>
8239 Richard Henderson <rth@redhat.com>
8241 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8242 gimple_boolify on the condition before calling gimplify_expr.
8244 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8246 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8247 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8248 the frame size. Update to use the new macros.
8249 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8250 * config/xtensa/ieee754-df.S: Likewise.
8252 2006-03-31 Richard Henderson <rth@redhat.com>
8254 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8255 (make_edges): ... here. Control fallthru creation with a local
8256 variable. Do not play with fake edges.
8257 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8258 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8261 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8263 * dwarf2.h (DW64_CIE_ID): Define.
8264 * dwarf2out.c (DWARF_CIE_ID): Define.
8265 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8266 length header. Use DWARF_CIE_ID.
8267 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8268 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8270 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8272 * config/sh/linux-atomic.asm: New file.
8273 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8275 2006-03-31 DJ Delorie <dj@redhat.com>
8277 * config/m32c/cond.md: Set condition flags properly throughout.
8278 * config/m32c/minmax.md: Likewise.
8279 * config/m32c/prologue.md: Likewise.
8280 * config/m32c/bitops.md: Likewise.
8281 * config/m32c/muldiv.md: Likewise.
8282 * config/m32c/mov.md: Likewise.
8283 * config/m32c/addsub.md: Likewise.
8284 * config/m32c/m32c.md: Likewise.
8285 * config/m32c/jump.md: Likewise.
8286 * config/m32c/shift.md: Likewise.
8288 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8289 conditionally output the pattern for this.
8290 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8291 (m32c_compare_redundant): New.
8292 (m32c_output_compare): New.
8293 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8295 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8296 dest, not src. Allow other 4-byte modes.
8298 2006-03-30 Denis Chertykov <denisc@overta.ru>
8300 * doc/md.texi: Refer to avr/constraints.md instead of
8303 2006-03-30 Roger Sayle <roger@eyesopen.com>
8305 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8306 signed vs. unsigned comparison failures on some hosts.
8308 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8311 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8312 change to FLOAT_REGS.
8314 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8315 (rs6000_override_options): Use it.
8316 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8317 only for -mabi=spe/no-spe and -mabi=altivec.
8319 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8321 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8324 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8326 * Makefile.in: Rename docdir to gcc_docdir.
8328 2006-03-30 Roger Sayle <roger@eyesopen.com>
8331 * expr.c (emit_group_store): Optimize group stores into a pseudo
8332 register by using a paradoxical subreg to initialize the destination
8333 if the first or last member of the group specifies a "low part".
8335 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8338 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8339 * target.h (struct gcc_target.speculate_insn): Change type of the
8340 second parameter to 'int'.
8341 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8342 the second operand of the DEPS_LIST.
8343 (copy_DEPS_LIST_list): Update reference to the second operand of the
8345 * rtl.h (alloc_DEPS_LIST): Update signature.
8346 * sched-int.h (ds_t): Change typedef to 'int'.
8347 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8349 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8351 * haifa-sched.c (try_ready): Change condition to restore
8352 non-speculative pattern of the instruction.
8353 (process_insn_depend_be_in_spec): Code to keep probability of the
8354 speculative dependence non-decreasing.
8356 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8358 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8359 (single_move_for_movmem): ... this. Also change all uses.
8360 (bfin_expand_strmov): Renamed to...
8361 (bfin_expand_movmem): ... this. Also change all uses.
8362 * config/bfin/bfin.md (movstrsi): Renamed to...
8363 (movstrsi): ...this.
8365 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8367 PR tree-optimization/26830
8369 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8370 (copy_prop_visit_stmt): Remove write-only variable ann.
8371 (init_copy_prop): Check variable loop depth here. Do not simulate
8372 memory-tag and virtual operand PHIs except for store copy prop.
8374 2006-03-30 Richard Guenther <rguenther@suse.de>
8376 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8377 variants with double arguments.
8379 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8381 * genpreds.c (write_tm_constrs_h): Delete variable p.
8382 * genconditions.c (write_header): Add tm-constrs.h to included
8384 * genpeep.c (main): Add toplev.h to included headers.
8385 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8386 (build/genpeep.o): Add toplev.h dependency.
8387 * config/rs6000/constraints.md: Add "W" constraint.
8389 2006-03-29 Roger Sayle <roger@eyesopen.com>
8391 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8392 sizes by correctly testing whether the size fits a host integer.
8393 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8394 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8395 SImode range for the default sizetype and bitsizetype.
8397 2006-03-29 Roger Sayle <roger@eyesopen.com>
8399 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8400 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8401 quickly if the argument is already of the correct type.
8402 Call fold_build1 instead of build1. Tidy up blank lines.
8404 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8406 * genemit.c (main): Add tm-constrs.h to included headers.
8407 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8408 * genpeep.c (main): Add tm-constrs.h to included headers.
8409 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8410 (write_tm_constrs_h): this and write complete file.
8411 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8412 (write_insn_preds_c): Add tm-constrs.h to included headers.
8413 (gen_constrs): New variable.
8414 (parse_option): Parse "-c".
8415 (main): Invoke write_tm_constrs_h.
8416 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8417 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8418 (object_out_file): Add tm-constrs.h dependency.
8419 (insn-emit.o): Same.
8420 (insn-output.o): Same.
8421 (insn-peep.o): Same.
8422 (insn-preds.o): Same.
8423 (insn-recog.o): Same.
8424 (tm-constsr.h): New target.
8425 (s-constrs-h): New target.
8427 * config/rs6000/constraints.md: New file.
8428 * config/rs6000/rs6000.c: Include tm-constrs.h.
8429 (num_insn_constant_wide): Convert to satisfies_constraint.
8430 (rs6000_rtx_costs): Convert to satisfies_constraint.
8431 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8432 (CONST_OK_FOR_LETTER_P): Delete.
8433 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8434 (EXTRA_CONSTRAINT): Delete.
8435 (EXTRA_MEMORY_CONSTRAINT): Delete.
8436 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8437 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8438 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8439 satisfies_constraint.
8441 * config/i386/i386.c: Include tm-constrs.h.
8443 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8445 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8446 * tree-data-ref.c (find_data_references_in_loop,
8447 compute_data_dependences_for_loop): Use pointers to VEC.
8448 (analyze_all_data_dependences): Adjust calls.
8449 * tree-data-ref.h (find_data_references_in_loop,
8450 compute_data_dependences_for_loop): Adjust declarations.
8451 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8452 compute_data_dependences_for_loop.
8454 2006-03-29 Paul Brook <paul@codesourcery.com>
8456 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8459 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8461 PR tree-optimization/26859
8462 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8464 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8465 for the step after fold_convert.
8467 2006-03-29 Paul Brook <paul@codesourcery.com>
8469 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8470 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8472 2006-03-29 Paul Brook <paul@codesourcery.com>
8475 * targhooks.c (default_narrow_bitfield): New fuction.
8476 * targhooks.h (default_narrow_bitfield): add prototype.
8477 * target.h (gcc_target): Add narrow_volatile_bitfield.
8478 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8479 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8480 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8481 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8483 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8485 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8487 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8488 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8489 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8490 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8491 (s390_function_arg_float): Allow SDmode and DDmode values to be
8492 passed in floating point registers.
8493 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8494 check with SCALAR_FLOAT_MODE_P.
8495 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8497 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8499 PR tree-optimization/25985
8500 * tree-ssa-loop-niter.c (number_of_iterations_le,
8501 number_of_iterations_ne): Make comments more precise.
8502 (number_of_iterations_cond): Add only_exit argument. Use the
8503 fact that signed variables do not overflow only when only_exit
8505 (loop_only_exit_p): New.
8506 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8507 number_of_iterations_cond.
8509 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8511 PR tree-optimization/26643
8512 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8515 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8517 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8518 (divsi3_i4_int): Likewise.
8520 2006-03-28 Roger Sayle <roger@eyesopen.com>
8522 * expr.c (emit_group_store): Only create a new pseudo reg if the
8523 quantity it needs to hold isn't already a suitable pseudo.
8525 2006-03-28 Jeff Law <law@redhat.com>
8527 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8528 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8530 2006-03-28 Roger Sayle <roger@eyesopen.com>
8532 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8533 the equivalent ~X & Y, and the symmetry related transformations.
8534 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8535 ~X & Y, and symmetry related transforms.
8537 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8539 Revert my 2006-03-27 patches.
8541 2006-03-28 Roger Sayle <roger@eyesopen.com>
8543 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8544 ~(T1)X, when T1 and T2 are integer types of the same precision
8545 and (T2)X isn't an extension.
8547 2006-03-28 Jeff Law <law@redhat.com>
8549 PR tree-optimization/26796
8550 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8551 need EH edge cleanups rather than purging them immediately.
8552 (eliminate_degenerate_phis): Handle queued EH cleanups.
8554 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8556 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8559 2006-03-27 Roger Sayle <roger@eyesopen.com>
8562 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8563 cast BIT_NOT_EXPR operand to the correct type.
8565 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8567 * tree-loop-linear.c: Don't include varray.h.
8568 (gather_interchange_stats, try_interchange_loops,
8569 linear_transform_loops): Use VEC instead of VARRAY.
8570 * lambda-mat.c: Don't include varray.h.
8571 * tree-chrec.c: Same.
8572 * lambda-trans.c: Same.
8573 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8574 VEC instead of VARRAY.
8575 * tree-vectorizer.h: Idem.
8576 * tree-data-ref.c (dump_data_references,
8577 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8578 initialize_data_dependence_relation, finalize_ddr_dependent,
8579 compute_all_dependences, find_data_references_in_loop,
8580 compute_data_dependences_for_loop, analyze_all_data_dependences,
8581 free_dependence_relation, free_dependence_relations,
8582 free_data_refs): Idem.
8583 * tree-data-ref.h (data_reference_p, subscript_p): New.
8584 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8585 VEC instead of VARRAY.
8586 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8587 (find_data_references_in_loop, compute_data_dependences_for_loop,
8588 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8589 dump_data_dependence_relations, free_dependence_relations,
8590 free_data_refs): Adjust declaration.
8591 (lambda_transform_legal_p): Move declaration here...
8592 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8593 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8594 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8595 vect_analyze_data_refs): Use VEC instead of VARRAY.
8596 * lambda.h (lambda_transform_legal_p): ...from here.
8597 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8598 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8599 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8600 tree-chrec.o): Don't depend on VARRAY_H.
8602 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8604 * rtl.def (Copyright): Update date.
8605 (DEPS_LIST): Change type of the second operand to 'int'.
8606 * target.h (Copyright): Update date.
8607 (struct gcc_target.speculate_insn): Change type of the second parameter
8609 * lists.c (Copyright): Update date.
8610 (alloc_DEPS_LIST): Change signature. Update reference to the second
8611 operand of the DEPS_LIST.
8612 (copy_DEPS_LIST_list): Update reference to the second operand of the
8614 * rtl.h (Copyright): Update date.
8615 (alloc_DEPS_LIST): Update signature.
8616 * sched-int.h (Copyright): Update date.
8617 (ds_t): Change typedef to 'int'.
8618 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8620 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8622 * haifa-sched.c (Copyright): Update date.
8623 (try_ready): Change condition to restore non-speculative pattern
8625 (process_insn_depend_be_in_spec): Code to keep probability of the
8626 speculative dependence non-decreasing.
8628 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8630 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8631 shut up the compiler.
8633 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8635 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8636 to use lib prefix for target.
8637 ($(T)libic_invalidate_array_4-200.a): Likewise.
8638 ($(T)libic_invalidate_array_4a.a): Likewise.
8640 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8641 J"orn Rennecke <joern.rennecke@st.com>
8643 * superh.opt: New file.
8644 * sh.c (boardtype, osruntime): Remove.
8645 * superh.h (SUBTARGET_OPTIONS): Remove.
8646 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8648 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8649 arguments with ^ and/or [].
8651 * config.gcc (sh-*-*): Add quoting to account for quirk of
8653 Replace == with = in enable_incomplete_targets test.
8655 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8656 with MASK_LITTLE_ENDIAN.
8658 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8659 * config/sh/sh.opt: Added to some comments.
8660 * config/sh/superh.h: Removed some chaff.
8662 * config/sh/sh.opt: Add m4-[1234]00* options.
8663 * config/sh/sh.c (sh_handle_option): Likewise.
8664 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8665 (ic_invalidate_array_4-100.o): New rule.
8666 ($(T)libic_invalidate_array_4-100.a): Likewise.
8667 (ic_invalidate_array_4-200.o): Likewise.
8668 ($(T)libic_invalidate_array_4-200.a): Likewise.
8669 (ic_invalidate_array_4a.o): Likewise.
8670 ($(T)libic_invalidate_array_4a.a): Likewise.
8671 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8672 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8674 * config/sh/crt1.asm: Merged in profiling code.
8675 * config/sh/superh.h (STARTFILE_SPEC): Override.
8676 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8677 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8678 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8680 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8681 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8682 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8684 * sh.opt (mpretend-cmove): New option.
8685 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8686 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8687 (movsicc): Add TARGET_PRETEND_CMOVE code.
8689 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8691 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8692 s390_class_max_nregs): New function prototypes.
8693 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8694 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8695 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8696 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8698 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8700 * dwarf2out.c (add_location_or_const_value_attribute): Call
8701 tree_add_const_value_attribute if nothing else works.
8702 (reference_to_unused): New.
8703 (rtl_for_decl_init): Use reference_to_unused to decide whether
8704 to output an initializer.
8706 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8709 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8710 peephole removing spe frob_di_df_2.
8712 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8714 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8715 (subscript_dependence_tester_1): Declared.
8716 (print_dir_vectors, print_dist_vectors): New.
8717 (debug_data_dependence_relation): New.
8718 (dump_data_dependence_relation): Print more details.
8719 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8720 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8721 (save_dist_v, save_dir_v, add_outer_distances,
8722 build_classic_dist_vector_1): New.
8723 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8724 Don't test for lambda_vector_lexico_pos.
8725 (same_access_functions, add_multivariate_self_dist,
8726 add_other_self_distances, dir_from_dist): New.
8727 (build_classic_dir_vector): Replace implementation almost identical to
8728 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8730 (subscript_dependence_tester_1): New.
8731 (subscript_dependence_tester): Handle the lexicographically negative
8732 distance vectors by recomputing the dependence relation.
8733 (compute_affine_dependence): Remove parameter loop_nest_depth.
8734 (compute_self_dependence): Don't call compute_subscript_distance.
8735 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8736 Add a parameter for the loop_nest.
8737 (find_loop_nest_1, find_loop_nest): New.
8738 (compute_data_dependences_for_loop): Compute the loop nest, and give
8739 up if the nest is not well formed.
8740 * tree-data-ref.h (loop_p): New.
8741 (struct data_dependence_relation): Replace size_vect field with
8742 loop_nest, a vec of loops.
8743 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8744 (DDR_LOOP_NEST): New.
8745 (print_dir_vectors, print_dist_vectors,
8746 debug_data_dependence_relation): Declared.
8747 (index_in_loop_nest): New.
8748 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8749 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8752 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8754 * simplify-rtx.c (simplify_relational_operation): Call
8755 simplify_relational_operation_1 even if mode is VOIDmode.
8757 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8759 PR tree-optimization/26804
8760 * tree.h (DECL_CALL_CLOBBERED): New macro.
8761 (tree_decl_common): Add call_clobbered_flag.
8762 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8763 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8764 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8765 (mark_non_addressable): Ditto.
8766 * tree-ssa.c (verify_call_clobbered): New function.
8767 (verify_alias_info): Use it.
8768 * tree-pass.h (pass_reset_cc_flags): New prototype.
8769 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8770 (reset_cc_flags): New function.
8771 * passes.c (init_optimization_passes): Call reset_cc_flags after
8772 initializing referenced_vars.
8774 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8775 Roger Sayle <roger@eyesopen.com>
8778 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8779 to 1.0 for non-real operands. Implement A / A optimization for
8782 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8784 * config/i386/i386.c (size_cost): Correct the comment for
8785 cost of storing fp registers.
8786 (i386_cost): Likewise.
8787 (i486_cost): Likewise.
8788 (pentium_cost): Likewise.
8789 (pentiumpro_cost): Likewise.
8790 (k6_cost): Likewise.
8791 (athlon_cost): Likewise.
8792 (k8_cost): Likewise.
8793 (pentium4_cost): Likewise.
8794 (nocona_cost): Likewise.
8795 (generic64_cost): Likewise.
8796 (generic32_cost): Likewise.
8798 2006-03-24 Denis Chertykov <denisc@overta.ru>
8800 * config/avr/avr-protos.h (extra_constraint): Delete.
8801 (extra_constraint_Q): New declaration.
8802 * config/avr/constraints.md: New file.
8803 * config/avr/avr.md: Include it.
8804 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8805 (TMP_REGNO, ZERO_REGNO): Likewise.
8806 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8807 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8808 (extra_constraint): Delete.
8809 (extra_constraint_Q): Test for memory constraint 'Q'.
8810 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8811 (REG_CLASS_FROM_LETTER): Delete.
8812 (CONST_OK_FOR_LETTER_P): Delete.
8813 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8814 (EXTRA_CONSTRAINT): Delete.
8815 (TMP_REGNO): Delete.
8816 (ZERO_REGNO): Delete.
8818 2006-03-24 Jeff Law <law@redhat.com>
8820 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8821 directly. Call mark_new_vars_to_rename slightly earlier.
8823 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8825 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8827 (gen_compile_unit_die): Use new language types for Objective-C and
8829 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8830 DW_LANG_C_plus_plus.
8833 * config/t-darwin (crt3.o): Work around bug 26840.
8834 * config/darwin-crt3.c: Rewrite.
8835 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8837 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8839 * doc/invoke.texi: Document -femit-class-debug-always
8840 * common.opt: Add -femit-class-debug-always.
8842 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8844 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8845 index and base register.
8846 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8847 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8848 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8849 REGNO_OK_FOR_INDEX_P.
8850 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8852 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8853 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8854 REG_OK_FOR_BASE_P): Definitions removed.
8856 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8859 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8860 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8861 set yet or weren't marked as local yet.
8863 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8865 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8868 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8870 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8871 (rs6000_legitimate_small_data_p): Delete.
8872 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8873 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8874 and make static. Add forward declaration. Update uses.
8875 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8876 of offsettable_memref_p.
8877 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8878 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8880 2006-03-24 Jeff Law <law@redhat.com>
8882 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8883 around bug in immediate-use iterator.
8885 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8888 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8889 or __LITTLE_ENDIAN__.
8891 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8893 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8894 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8895 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8896 * config/sh/sh.opt (mdiv=): Amend description.
8897 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8898 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8899 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8900 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8901 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8902 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8903 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8904 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8905 TARGET_DIVIDE_CALL_FP.
8907 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8909 * haifa-sched.c (choose_ready): Fix type of the local variable.
8910 Move local variables. Add comment.
8911 (check_reg_live): Change signature. Make callable from debugger.
8912 * sched-int.h (check_reg_live): Update signature.
8913 * sched-ebb.c (check_reg_live): Update parameters.
8914 * sched-rgn.c (check_reg_live): Ditto.
8915 (region_head_or_leaf_p): Check pointer before dereferencing.
8916 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8917 before reload on optimization levels below 1.
8919 2006-03-23 Richard Henderson <rth@redhat.com>
8921 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8925 * config/alpha/predicates.md (local_symbolic_operand): Reject
8928 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8931 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8932 expressions which have overflowed constants.
8934 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8936 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8938 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8940 * cfgloopmanip.c (create_loop_notes): Removed.
8941 * final.c (final_scan_insn): Do not handle loop notes.
8942 * jump.c (squeeze_notes): Ditto.
8943 * cfglayout.c (skip_insns_after_block,
8944 duplicate_insn_chain): Ditto.
8945 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8947 * cfgloop.h (create_loop_notes): Declaration removed.
8949 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8951 * varasm.c (output_constant_pool): Restore fnname and fndecl
8953 (assemble_start_function): Adjust call accordingly.
8954 (assemble_end_function): Likewise.
8956 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8959 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8962 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8964 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8967 * system.h (ICE_EXIT_CODE): New macro.
8968 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8969 (diagnostic_action_after_output): Likewise.
8970 * gcc.c (fatal_ice): New function.
8971 (execute): Use it instead of fatal.
8972 (fancy_abort): Likewise.
8973 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8975 2006-03-22 Jeff Law <law@redhat.com>
8977 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8978 iv_analyze_result returning false.
8980 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8982 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8984 2006-03-22 Richard Henderson <rth@redhat.com>
8987 * except.c (duplicate_eh_regions_0): New.
8988 (duplicate_eh_region_1): Duplicate the children of the node as
8989 well as the node itself. Link them up properly.
8990 (duplicate_eh_region_2): Merge into ...
8991 (duplicate_eh_regions): ... here. Take copy_region argument, and
8992 copy only a sub-tree if asked. Simplify copying and fixup.
8993 (eh_region_outer_p): New.
8994 * except.h (duplicate_eh_regions): Update decl.
8995 (eh_region_outer_p): Declare.
8996 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8997 (lower_omp_master): Likewise.
8998 (lower_omp_ordered): Likewise.
8999 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9000 (move_stmt_r): Use it to remap labels. Handle recursion vs
9001 remap_decls_p properly.
9002 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9003 (find_outermost_region_in_block): New.
9004 (new_label_mapper): New.
9005 (move_sese_region_to_fn): Copy eh information to the new function
9007 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9009 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9012 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9014 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9015 into shared libraries.
9017 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9019 * doc/md.texi: Refer to i386/constraints.md instead of
9021 * config/i386/constraints.md: New file, extracted from...
9022 * config/i386/predicates.md: ...here.
9023 * config/i386/i386.md: Include constraints.md.
9025 2006-03-21 Jason Merrill <jason@redhat.com>
9027 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9030 * expr.c (init_block_move_fn): Force default visibility.
9031 (init_block_clear_fn): Likewise.
9032 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9033 * targhooks.c (default_external_stack_protect_fail): Likewise.
9035 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9037 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9038 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9039 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9040 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9041 (loadgp): Use mips_current_loadgp_style.
9042 (loadgp_noshared): New pattern.
9043 (sibcall_internal): Use MIPS_CALL.
9044 (sibcall_value_internal): Likewise.
9045 (sibcall_value_multiple_internal): Likewise.
9046 (call_internal): Likewise.
9047 (call_value_internal): Likewise.
9048 (call_value_multiple_internal): Likewise.
9049 (call_split): Use MIPS_CALL and add an 'S' constraint.
9050 (call_value_split): Likewise.
9051 (call_value_multiple_split): Likewise.
9052 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9053 (-mshared): New option.
9054 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9055 (mips_current_loadgp_style): Declare.
9056 * config/mips/mips.c (mips_classify_symbol): Avoid using
9057 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9058 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9059 TARGET_ABSOLUTE_ABICALLS.
9060 (override_options): Adjust comments. Improve the warning that is
9061 issued when -mabicalls and -G are used together.
9062 (mips_file_start): Remove comment.
9063 (mips_current_loadgp_style): New function.
9064 (mips_gnu_local_gp): New variable.
9065 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9067 (mips_output_function_prologue): Use mips_current_laodgp_style.
9068 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9069 the cprestore instruction.
9070 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9071 live for TARGET_ABSOLUTE_ABICALLS.
9072 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9073 (ASM_SPEC): Pass down -mshared and -mno-shared.
9074 (MIPS_CALL): New macro.
9075 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9077 * doc/invoke.texi (-mabicalls): Update documentation.
9078 (-mshared): Document.
9080 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9082 * config/ia64/unwind-hpux.c: New file.
9083 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9085 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9088 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9090 2006-03-21 Jeff Law <law@redhat.com>
9092 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9093 type conversions of a VR_VARYING source to a wider type.
9095 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9097 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9098 tm_file on Solaris 10 and later.
9099 (sparc64-*-solaris2*): Likewise.
9100 (sparc-*-solaris2*): Likewise.
9101 * config/sol26.h: Rename to config/sol2-6.h.
9102 * config/sol2-10.h: New file.
9104 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9107 * tree-ssa-pre.c (create_component_ref_by_pieces):
9110 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9113 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9114 return it immediately.
9116 2006-03-21 Michael Matz <matz@suse.de>
9118 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9120 (remove_arc, add_arc): Update num_out_arcs member.
9121 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9123 (cache_presence): New function.
9124 (compare_states_for_equiv): New function.
9125 (state_is_differed): Don't take number of outargs, adjust callers.
9126 Use new invariant for speeding up.
9127 (init_equiv_class): Create initial classes based on sorted
9129 (partition_equiv_class): Don't track out_arcs_num.
9130 (evaluate_equiv_classes): Call cache_presence on all states and
9133 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9135 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9136 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9137 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9138 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9140 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9141 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9142 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9143 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9144 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9146 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9147 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9148 (REGNO_REG_CLASS): ARGP is in PREGS.
9149 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9151 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9152 to deal with those addresses.
9153 * addresses.h: New file.
9154 * caller-save.c: Include "addresses.h".
9155 (init_caller_save): Use new base_reg_class function.
9156 * rtl-factoring.c: Include "addresses.h".
9157 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9158 * recog.c: Include "addresses.h".
9159 (preprocess_constraints): Use new base_reg_class function.
9160 * regrename.c: Include "addresses.h".
9161 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9162 functions. Keep track of a new var INDEX_CODE to compute valid
9164 (replace_oldest_value_addr): Likewise.
9165 (replace_oldest_value_mem): Use base_reg_class.
9166 * reload.c: Include "addresses.h".
9167 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9168 (find_reloads): Use new base_reg_class function.
9169 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9170 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9171 all callers and prototype changed.
9172 * reload1.c: Include "addresses.h".
9173 (maybe_fix_stack_asms): Use base_reg_class.
9174 * regclass.c: Include "addresses.h".
9175 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9176 (init_reg_autoinc): Use new base_reg_class function.
9177 (record_reg_classes): Likewise.
9178 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9179 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9180 Use new args to compute necessary class.
9182 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9183 regrename.o, rtl-factoring.o): Update dependencies.
9184 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9185 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9186 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9187 REG_OK_FOR_INDEX_P): Delete documentation.
9189 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9191 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9192 from V7 to V9 for Solaris 7 and above.
9194 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9196 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9197 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9198 argument pointers may not alias any other storage.
9199 * common.opt: Define option -fargument-noalias-anything.
9200 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9201 alias semantics is specified by flag_argument_noalias > 2.
9203 2006-03-20 Jeff Law <law@redhat.com>
9205 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9206 (pass_phi_only_cprop): Declare.
9207 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9209 * tree-ssa-dom.c (degenerate_phi_result): New function.
9210 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9211 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9212 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9213 (eliminate_degenerate_phis): Likewise.
9214 (pass_phi_only_cprop): New pass descriptor.
9215 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9216 support code. Callers updated.
9217 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9218 (store_copy_prop): Likewise.
9219 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9221 2006-03-20 Jason Merrill <jason@redhat.com>
9224 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9225 (push_visibility, pop_visibility): Likewise.
9226 * c-pragma.h: Declare them.
9228 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9230 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9232 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9233 parameter and use get_ebb_head_tail.
9234 (sh_md_init_global): Adjust uses of find_regmode_weight.
9236 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9238 * function.h (struct function) <x_tail_recursion_reentry>:
9239 Rename to x_stack_check_probe_note.
9240 (tail_recursion_reentry): Rename to stack_check_probe_note.
9241 * function.c: Replace tail_recursion_reentry with
9242 stack_check_probe_note everywhere.
9243 (expand_function_start): Only emit a note for
9244 stack_check_probe_note with -fstack-protect.
9245 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9247 * emit-rtl.c (remove_unnecessary_notes): Remove.
9248 (pass_remove_unnecessary_notes): Remove.
9249 * rtl.h (remove_unnecessary_notes): Remove prototype.
9250 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9251 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9252 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9254 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9257 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9258 (valid_in_set): Handle ARRAY_REF.
9259 Change "if min_variant or VH" to asserts.
9260 (create_component_ref_by_pieces): Handle ARRAY_REF.
9261 (create_expression_by_pieces): Likewise.
9262 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9264 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9266 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9267 is operand of switch, not str[0].
9269 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9271 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9272 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9274 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9276 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9277 end of insn_extra_address_constraint declaration.
9279 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9281 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9282 (no-sum-in-toc): Same.
9283 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9285 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9286 NO_FP_IN_TOC for -fPIC instead of mask.
9288 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9289 (BOOT_LDFLAGS): Delete.
9291 * config/rs6000/t-aix52: Same.
9293 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9294 (stmsi[345678]_power): New.
9296 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9298 * config/ia64/ia64.opt: Add empty line to end of file.
9300 2006-03-17 Richard Guenther <rguenther@suse.de>
9303 * builtins.c (get_pointer_alignment): For component style references
9304 adjust alignment to the component type alignment. Make sure
9305 to adjust alignment for component access of constants.
9307 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9309 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9312 2006-03-17 Paul Brook <paul@codesourcery.com>
9314 * doc/install.texi: Docuemnt --with-mode.
9315 * config.gcc: Add --with-mode for arm*-*-*.
9316 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9318 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9320 * sh.c (max_labelno_before_reorg): New variable.
9321 (sh_reorg): Initialize it.
9322 (find_barrier): Check max_labelno_before_reorg before using
9323 label_to_alignment. Take length of explicit alignment insns
9324 into account. When seeing a UNSPECV_CONST_END, return it.
9326 * sh.c (fixup_mova): Set mode of affected label to QImode.
9327 (untangle_mova): New function.
9328 (find_barrier): Use it. Check mode of label before decrementing
9330 (sh_reorg): Likewise.
9331 Set mode of all insns back to VOIDmode.
9333 * sh.c (MOVA_LABELREF): New macro.
9334 (mova_p, fixup_mova, sh_reorg): Use it.
9335 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9336 ADDR_DIFF_VEC matches mova.
9338 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9340 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9341 with ATTRIBUTE_UNUSED.
9343 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9345 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9346 pointer, instead of assuming it is possible to derive the
9347 correct args size from a call insn.
9349 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9351 * rtl.h (CONST_INT_P): Define.
9352 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9353 instead of GET_CODE(x) == CONST_INT.
9354 (vax_rtx_costs): Likewise.
9355 (vax_output_int_move): Likewise.
9356 (vax_output_int_add): Likewise.
9357 (legitimate_constant_address_p): Likewise.
9358 (index_term_p): Likewise.
9359 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9360 * config/vax/vax.md (and<mode>3): Likewise.
9361 (ashrsi3): Likewise.
9363 (movstricthi): Likewise.
9364 (movstrictqi): Likewise.
9365 (rotrsi3): Likewise.
9366 (five unnamed insns): Likewise.
9368 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9370 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9371 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9372 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9373 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9374 Pass to ASM_OUTPUT_DWARF_OFFSET.
9375 * dwarf2out.c (debug_frame_section): New.
9376 (output_call_frame_info): Use debug_frame_section. Pass it to
9377 dw2_asm_output_offset.
9378 (output_die): Pass appropriate section to dw2_asm_output_offset.
9379 (output_compilation_unit_header): Likewise.
9380 (output_pubnames): Likewise.
9381 (output_aranges): Likewise.
9382 (enum dw_val_class): Break dw_val_class_lbl_offset into
9383 dw_val_class_lineptr and dw_val_class_macptr.
9384 (add_AT_lbl_offset): Delete.
9385 (add_AT_lineptr): New.
9386 (add_AT_macptr): New.
9387 (AT_lbl): Expect a lineptr or macptr.
9388 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9389 (attr_checksum): Likewise.
9390 (same_dw_val_p): Likewise.
9391 (size_of_die): Likewise.
9392 (value_format): Likewise.
9393 (output_die): Likewise.
9394 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9396 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9397 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9398 * config/darwin-protos.h (darwin_file_start): New.
9399 (darwin_asm_output_dwarf_offset): New.
9400 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9401 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9403 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9404 if not EH section; simplify.
9405 (darwin_file_start): New.
9406 (darwin_asm_output_dwarf_offset): New.
9407 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9409 (DEBUG_INFO_SECTION): Likewise.
9410 (DEBUG_ABBREV_SECTION): Likewise.
9411 (DEBUG_ARANGES_SECTION): Likewise.
9412 (DEBUG_MACINFO_SECTION): Likewise.
9413 (DEBUG_LINE_SECTION): Likewise.
9414 (DEBUG_LOC_SECTION): Likewise.
9415 (DEBUG_PUBNAMES_SECTION): Likewise.
9416 (DEBUG_STR_SECTION): Likewise.
9417 (DEBUG_RANGES_SECTION): Likewise.
9418 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9419 (ASM_OUTPUT_DWARF_OFFSET): New.
9421 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9423 * config.gcc (tm_defines): Always add to previous value rather
9426 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9428 * config/mips/predicates.md (splittable_const_int_operand): New,
9429 split from move_operand.
9430 (splittable_symbolic_operand): New.
9431 (move_operand): Add commentary. Use splittable_const_int_operand.
9432 Inline mips_atomic_symbolic_constant_p.
9433 * config/mips/mips.md: Add combine splitters for handling moves
9434 of splittable_const_int_operands and splittable_symbolic_operands.
9435 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9436 (mips_split_symbol): Declare.
9437 (mips_move_integer): Declare.
9438 * config/mips/mips.c (mips_split_p): Make global.
9439 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9440 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9441 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9442 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9443 (mips_offset_within_object_p): Handle block symbols.
9444 (mips_atomic_symbolic_constant_p): Delete.
9445 (mips_cannot_force_const_mem): Return false for constants that
9446 mips_legitimize_move can handle.
9447 (mips_use_blocks_for_constant_p): New function.
9448 (mips_split_symbol): Make global.
9449 (mips_move_integer): Likewise. Add a temporary register argument.
9450 (mips_legitimize_const_move): Use splittable_const_int_operand and
9451 splittable_symbolic_operand.
9452 (mips_use_anchors_for_symbol_p): New function.
9453 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9454 (mips_split_p): Declare.
9456 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9458 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9459 (mips*-*-linux*): Likewise.
9461 2006-03-16 Roger Sayle <roger@eyesopen.com>
9462 Daniel Speyer <dspeyer@wam.umd.edu>
9465 * tree-dump.c (dump_real): New function.
9466 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9467 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9468 (tree-dump.o): Add $(REAL_H) to the dependencies.
9470 2006-03-16 Roger Sayle <roger@eyesopen.com>
9473 * real.c (real_from_string): If the mantissa is zero, don't bother
9474 parsing the exponent as the result should always be zero.
9476 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9478 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9480 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9482 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9483 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9484 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9485 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9486 ia64_sched_finish_global): New static functions to implement
9487 hooks from gcc_target.sched.
9488 (spec_check_no, max_uid, pending_data_specs): New static variables.
9489 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9490 ia64_spec_check_src_p): New static functions.
9491 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9492 (TARGET_SCHED_ADJUST_COST): Removed.
9493 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9494 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9495 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9496 TARGET_SCHED_GEN_CHECK,
9497 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9498 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9499 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9500 Fixed to handle speculation checks.
9501 (rtx_needs_barrier): Fixed to handle speculative loads and
9503 (ia64_variable_issue): Added code to count speculative loads and their
9505 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9507 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9509 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9511 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9512 (ia64_reorg): Reset stops_p to NULL after it is freed.
9513 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9514 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9515 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9517 (data_speculative, control_speculative, check_load): New attributes.
9518 (mov<mode>_advanced, mov<mode>_speculative,
9519 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9520 zero_extend<mode>di2_speculative,
9521 zero_extend<mode>di2_speculative_advanced): New patterns for
9522 data and control speculative loads.
9523 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9525 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9526 New pattern for data and control speculation checks.
9527 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9528 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9529 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9530 Auxiliary definitions for the patterns.
9531 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9532 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9534 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9536 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9537 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9538 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9539 New resource constraints.
9540 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9542 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9543 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9544 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9545 msched-in-control-spec, msched-ldc, msched-control-ldc,
9546 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9547 msched-prefer-non-control-spec-insns,
9548 msched-count-spec-in-critical-path): New flags to tune speculative
9550 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9551 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9552 msched-in-control-spec, msched-ldc, msched-control-ldc,
9553 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9554 msched-prefer-non-control-spec-insns,
9555 msched-count-spec-in-critical-path): Document new flags.
9557 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9559 * target.h (struct spec_info_def): New opaque declaration.
9560 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9561 speculate_insn, needs_block_p, gen_check,
9562 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9563 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9564 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9565 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9566 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9567 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9569 (TARGET_SCHED): Use new macros.
9570 * rtl.h (copy_DEPS_LIST_list): New prototype.
9571 * sched-int.h (struct sched_info): Change signature of new_ready field,
9572 adjust all initializations. New fields: add_remove_insn,
9573 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9574 region_head_or_leaf_p.
9575 (struct spec_info_def): New structure declaration.
9576 (spec_info_t): New typedef.
9577 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9578 recovery_block, orig_pat.
9579 (glat_start, glat_end): New variables declaraions.
9580 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9582 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9583 DETACH_LIFE_INFO, USE_GLAT.
9584 (enum SPEC_SCHED_FLAGS): New enumeration.
9585 (NOTE_NOTE_BB_P): New macro.
9586 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9587 attach_life_info, debug_spec_status, check_reg_live): New functions.
9588 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9589 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9591 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9592 * ddg.c (get_block_head_tail): Adjust all uses.
9593 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9594 (sms_sched_info): Initialize new fields.
9595 (contributes_to_priority): Removed.
9596 * haifa-sched.c (params.h): New include.
9597 (get_block_head_tail): Adjust all uses.
9598 (ISSUE_POINTS): New macro.
9599 (glat_start, glat_end): New global variables.
9600 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9601 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9602 old_last_basic_block, before_recovery, current_sched_info_var,
9603 rgn_n_insns, luid): New static variables.
9604 (insn_cost1): New function. Move logic from insn_cost to here.
9605 (find_insn_reg_weight1): New function. Move logic from
9606 find_insn_reg_weight to here.
9607 (reemit_notes, move_insn, max_issue): Change signature.
9608 (move_insn1): Removed.
9609 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9610 extend_bb): New static functions to support extension of scheduler's
9612 (generate_recovery_code, process_insn_depend_be_in_spec,
9613 begin_speculative_block, add_to_speculative_block,
9614 init_before_recovery, create_recovery_block, create_check_block_twin,
9615 fix_recovery_deps): New static functions to support
9616 generation of recovery code.
9617 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9618 restore_bb_notes, move_block_after_check, move_succs): New static
9619 functions to support ebb scheduling.
9620 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9621 functions to support handling of register live information.
9622 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9623 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9624 add_jump_dependencies): New static functions.
9625 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9626 consistancy checking.
9627 (debug_spec_status): New function to call from debugger.
9628 (priority): Added code to handle speculation checks.
9629 (rank_for_schedule): Added code to distinguish speculative instructions.
9630 (schedule_insn): Added code to handle speculation checks.
9631 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9632 Fixed to handle ebbs.
9633 (move_insn): Added code to handle ebb scheduling.
9634 (max_issue): Added code to use ISSUE_POINTS of instructions.
9635 (choose_ready): Added code to choose between speculative and
9636 non-speculative instructions.
9637 (schedule_block): Added code to handle ebb scheduling and scheduling of
9638 speculative instructions.
9639 (sched_init): Initialize new variables.
9640 (sched_finish): Free new variables. Print statistics.
9641 (try_ready): Added code to handle speculative instructions.
9642 * lists.c (copy_DEPS_LIST_list): New function.
9643 * sched-deps.c (extend_dependency_caches): New function. Move logic
9644 from create_dependency_caches to here.
9645 (get_dep_weak, ds_merge): Make global.
9646 * genattr.c (main): Code to output prototype for
9647 dfa_clear_single_insn_cache.
9648 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9649 (output_dfa_clean_insn_cache_func): Code to output
9650 dfa_clear_single_insn_cache function.
9651 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9653 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9655 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9656 New static variables.
9657 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9658 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9660 (ebb_sched_info): Initialize new fields.
9661 (get_block_head_tail): Adjust all uses.
9662 (compute_jump_reg_dependencies): Fixed to use glat_start.
9663 (schedule_ebb): Code to remove unreachable last block.
9664 (schedule_ebbs): Added code to update register live information.
9665 * sched-rgn.c (region_sched_info): Initialize new fields.
9666 (get_block_head_tail): Adjust all uses.
9667 (last_was_jump): Removed. Adjust users.
9668 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9669 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9670 Implement new hooks.
9671 (check_dead_notes1): New static function.
9672 (struct region): New fields: dont_calc_deps, has_real_ebb.
9673 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9674 (BB_TO_BLOCK): Fixed to handle EBBs.
9675 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9676 (ebb_head): New static variable.
9677 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9678 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9680 (compute_dom_prob_ps): New assertion.
9681 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9682 global_live_at_start.
9683 (init_ready_list): New assertions.
9684 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9685 (new_ready): Add support for BEGIN_CONTROL speculation.
9686 (schedule_insns): Fixed code that updates register live information
9688 (schedule_region): Fixed to handle EBBs.
9689 (init_regions): Use extend_regions and check_dead_notes1.
9690 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9691 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9692 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9693 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9694 TARGET_SCHED_GEN_CHECK,
9695 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9696 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9697 * doc/invoke.texi (max-sched-insn-conflict-delay,
9698 sched-spec-prob-cutoff): Document.
9700 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9702 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9703 inter_tick, queue_index.
9704 (struct sched_info): Change signature of init_ready_list field.
9705 Adjust all initializations.
9706 (RESOLVED_DEPS): New access macro.
9707 (ready_add): Remove prototype.
9708 (try_ready): Add prototype.
9709 * sched-rgn.c (init_ready_list): Use try_ready.
9710 (schedule_region): Initialize
9711 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9712 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9713 (init_ready_list): Use try_ready.
9714 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9715 * lists.c (remove_list_elem): Remove `static'.
9716 (remove_free_INSN_LIST_elem): New function.
9717 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9718 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9719 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9721 (readyp): New variable.
9722 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9723 change_queue_index, resolve_dep): New static functions.
9724 (try_ready): New function. Adjust callers in sched-rgn.c and
9725 sched-ebb.c to use it instead of ready_add.
9726 (clock_var): Move at the begining of file.
9727 (rank_for_schedule): Fix typo.
9728 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9729 (ready_lastpos): Enforce assertion.
9730 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9732 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9733 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9734 (queue_to_ready): Use free_INSN_LIST_list.
9735 (early_queue_to_ready): Fix typo.
9736 (schedule_block): Init readyp. Move init_ready_list call after the
9737 initialization of clock_var. Fix error in rejecting insn by
9738 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9739 that previously corrected INSN_TICKs. Add code for handling
9741 (set_priorities): Fix typo.
9742 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9743 Clarify comment and code that keeps current_sched_info->next_tail
9746 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9748 * sched-rgn.c (extend_rgns): New static function.
9749 (find_rgns): Use it.
9750 (gather_region_statistics, print_region_statistics): New static
9752 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9753 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9755 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9756 Andrey Belevantsev <abel@ispras.ru>
9758 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9759 * lists.c (unused_deps_list): New variable.
9760 (free_list): Add assertions to verify the proper distinguishing
9761 between INSN_LISTs and DEPS_LISTs.
9762 (find_list_elem, remove_list_elem, remove_list_node): New static
9764 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9765 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9766 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9767 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9769 (free_INSN_LIST_node): Likewise.
9770 * modulo-sched.c (current_sched_info): Initialize flags field.
9771 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9772 * rtl.def (DEPS_LIST): Define.
9773 * rtl.h: Declare new functions from lists.c.
9774 * sched-deps.c (spec_dependency_cache): New static variable.
9775 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9776 (add_dependence): Change return type to void. Move the logic to ...
9777 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9778 (delete_all_dependences): Add comment about forward_dependency_cache.
9779 Handle spec_dependency_cache. Handle DEPS_LISTs.
9780 (fixup_sched_groups): Clarify the change of priority of output
9781 and anti dependencies.
9782 (sched_analyze_2): Adjust add_dependence calls to create data
9783 speculative dependence.
9784 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9785 Adjust all callers. Handle DEPS_LISTS.
9786 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9787 presence of speculation.
9788 (init_dependency_caches, free_dependency_caches):
9789 Handle spec_dependency_cache.
9790 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9791 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9792 New static functions.
9793 (add_or_update_back_dep, add_or_update_back_forw_dep,
9794 add_back_forw_dep, delete_back_forw_dep): New functions.
9795 * sched-int.h (ds_t, dw_t): New typedefs.
9796 (struct sched_info): Add new field flags.
9797 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9798 Prototype new sched-deps.c functions.
9799 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9800 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9801 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9802 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9803 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9804 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9806 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9808 * sched-rgn.c (current_sched_info): Initialize flags field.
9809 (schedule_insns): Initialize current_sched_info before the sched_init
9811 * sched-ebb.c (current_sched_info): Initialize flags field.
9812 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9813 Call add_or_update_back_dep instead of add_dependence.
9814 Create control speculative dependencies.
9815 (schedule_insns): Initialize current_sched_info before the sched_init
9818 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9820 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9822 (sh_fallback_frame_state): Likewise.
9824 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9826 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9827 Do switch on default_use_cxa_atexit.
9828 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9829 * config/darwin-crt3.o: New.
9830 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9831 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9832 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9834 * config/rs6000/t-darwin: Move crt2.o building to here.
9835 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9836 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9839 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9841 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9842 from '! xxx' to '!xxx' for coding-style conformance.
9843 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9844 (EXTRA_CONSTRAINT): Likewise.
9845 * config/vax/vax.md (four unnamed insns): Likewise.
9847 2006-03-15 Paul Brook <paul@codesourcery.com>
9849 * config/arm/arm.c (minipool_pad): New.
9850 (add_minipool_forward_ref): Include pool alignment padding in address
9852 (push_minipool_fix): Set minipool_pad.
9853 (minipool_pad): Ditto.
9855 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9857 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9858 instead of GET_CODE() == MEM and REG_P() instead of
9860 (print_operand_address): Likewise.
9861 (vax_address_cost): Likewise.
9862 (vax_rtx_costs): Likewise.
9863 (vax_notice_update_cc): Likewise.
9864 (vax_output_int_add): Likewise.
9865 (INDEX_REGISTER_P): Likewise.
9866 (BASE_REGISTER_P): Likewise.
9867 (nonindexed_address_p): Likewise.
9868 (vax_mode_dependent_address_p): Likewise.
9869 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9870 (PRINT_OPERAND): Likewise.
9871 * config/vax/vax.md (ashlsi3): Likewise.
9872 (ashlsi3): Likewise.
9873 (some more unnamed insns): Likewise.
9875 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9877 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9878 iterator-style macro.
9879 (mark_control_dependent_edges_necessary): Update the use of
9880 EXECUTE_IF_CONTROL_DEPENDENT.
9882 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9884 * config/sh/predicates.md (cache_address_operand): Special.
9885 (ua_address_operand): Likewise.
9887 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9889 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9891 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9893 2006-03-15 Andreas Schwab <schwab@suse.de>
9895 * gensupport.c (identify_predicable_attribute): Don't free p_false
9896 when it is still in use.
9898 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9900 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9901 the default setting here.
9903 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9905 * tree-pass.h (pass_cfg): Remove.
9906 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9907 * passes.c (pass_cfg): Don't run it.
9909 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9911 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9912 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9914 (stack_regs_mentioned): Update the uses of
9915 stack_regs_mentioned_data. Don't access the array beyond its
9917 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9918 Don't include gt-reg-stack.h.
9920 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9921 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9923 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9926 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9929 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9931 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9933 2006-03-14 Richard Guenther <rguenther@suse.de>
9935 PR tree-optimization/26672
9936 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9939 2006-03-14 Richard Guenther <rguenther@suse.de>
9941 PR tree-optimization/26667
9942 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9943 node for the callees. Always allow inlining if it will shrink
9946 2006-03-14 Richard Guenther <rguenther@suse.de>
9949 * builtins.c (get_pointer_alignment): Prefer alignment
9950 information from decls over that from types.
9952 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9955 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9957 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9959 * config/rs6000/rs6000.opt (mdlmzb): New option.
9960 (msched-prolog, msched-epilog): Use Var not Mask.
9961 * doc/invoke.texi (-mdlmzb): Document.
9962 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9964 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9965 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9967 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9969 PR rtl-optimization/25739
9970 * bt-load.c (augment_live_range): Free tos pointer.
9972 * gensupport.c (identify_predicable_attribute): Free
9974 * gcov.c (create_file_names): Free name pointer.
9976 2006-03-13 Roger Sayle <roger@eyesopen.com>
9979 * stmt.c (emit_case_nodes): Handle the case where the index is a
9980 CONST_INT, where the comparison mode is specified by the index type.
9982 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9984 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9987 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9989 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9990 (*branch_fp_inverted): Likewise.
9992 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9995 * omp-low.c (expand_omp_for_generic): Mark istart0
9996 and iend0 as addressable.
9998 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10000 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10002 2006-03-13 Jeff Law <law@redhat.com>
10004 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10005 virtual operands are interesting.
10006 (vrp_visit_stmt): Corresponding changes.
10008 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10010 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10012 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10013 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10014 * config/bfin/crti.S: Use it instead of __PIC__.
10015 * config/bfin/crtn.S: Likewise.
10017 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10018 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10020 Lose 'G' modifier for call operand.
10021 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10022 recognize 'G' modifier.
10024 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10026 PR middle-end/18859
10027 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10028 * stmt.c (expand_case): Likewise.
10030 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10032 PR rtl-optimization/26254
10033 * loop-invariant.c (seq_insns_valid_p): New function.
10034 (move_invariant_reg): Only emit new code if it is valid.
10036 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10038 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10040 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10041 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10042 (commit_one_edge_insertion): Do not look for loop notes.
10044 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10046 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10047 flag_test_coverage out of loop.
10049 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10051 * final.c (shorten_branches): Remove outdated comment, and turn
10052 the if branch that guards it to continue.
10054 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10056 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10057 * cfgloop.h (struct loop): Remove unused fields.
10059 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10061 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10062 (-dL, -fdump-rtl-loop2): Update the dump file names
10064 * doc/invoke.texi: Update dump file names.
10066 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10068 * predict.c (estimate_probability): Remove.
10069 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10070 * basic-block.h (estimate_probability): Remove prototype.
10071 * passes.c (finish_optimization_passes): Dump branch prediction or
10072 profiling heuristics to the .profile tree dump.
10073 (init_optimization_passes): Unqueue pass_branch_prob.
10075 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10077 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10079 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10080 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10082 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10084 * function.h (frame_offset_overflow): Declare.
10085 * function.c (frame_offset_overflow): New function.
10086 (assign_stack_local_1): Call it to detect that the offset overflows.
10087 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10089 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10091 * config/sh/sh.c: Include alloc-pool.h.
10092 (label_ref_list_pool): New alloc pool.
10093 (label_ref_list_t): New type for lists of labels.
10094 (struct pool_node): Make wend a label_ref_list_t.
10095 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10097 (dump_table): Likewise.
10098 (sh_reorg): Set up the alloc pool before using add_constant and
10099 dump_table, and destroy it when finishing.
10101 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10103 * config/mips/mips.c: Remove redundant comment.
10105 2006-03-10 Jason Merrill <jason@redhat.com>
10108 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10109 the target was declared 'register'.
10111 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10113 * genpreds.c (write_insn_constraint_len): Change definition of
10114 insn_constraint_len to return size_t to match the declaration.
10116 2006-03-10 DJ Delorie <dj@redhat.com>
10118 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10120 (m32c_expand_insv): Fix test for an AND mask.
10122 2006-03-10 Richard Guenther <rguenther@suse.de>
10124 PR middle-end/26565
10125 * builtins.c (get_pointer_alignment): Handle component
10126 references for field alignment.
10128 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10130 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10131 when building with libgloss.
10132 (sh*elf): Implement --without-fp option.
10133 (sh64-superh-linux*): Don't multilib.
10135 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10137 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10139 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10141 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10142 Set it when one of the replacement functions returned true.
10143 Return TODO_cleanup_cfg if cfgchanged is true.
10144 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10146 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10148 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10149 instead of gen_lowpart.
10151 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10153 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10155 (mips_output_order_conditional_branch): Declare.
10156 * config/mips/mips.h (MIPS_BRANCH): New macro.
10157 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10158 for the comparison. Use gen_condjump.
10159 (mips_output_conditional_branch): Rework interface to take the
10160 asm templates for a direct branch and the inverse of a direct branch.
10161 (mips_output_order_conditional_branch): New function.
10162 (mips_builtin_branch_and_move): New function.
10163 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10164 branch condition. Use gen_single_cc as the condition for
10165 __builtin_mips_upper_* or __builtin_mips_lower_*.
10166 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10167 Use VOIDmode for the branch condition.
10168 * config/mips/predicates.md (order_operator): New predicate.
10169 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10170 (branch_fp): Rename to...
10171 (*branch_fp): ...this. Remove mode from comparison operator.
10172 Use new mips_output_conditional_branch interface.
10173 (branch_fp_inverted): Rename to...
10174 (*branch_fp_inverted): ...this and update as for *branch_fp.
10175 (*branch_zero<mode>): Rename to...
10176 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10177 Use mips_output_order_conditional_branch. Only accept ordered
10179 (*branch_zero<mode>_inverted): Rename to...
10180 (*branch_order<mode>_inverted): ...this and update as for
10181 *branch_order<mode>.
10182 (*branch_equality<mode>): Accept zero as the second operand to
10183 the equality operator. Use the new mips_output_conditional_branch
10185 (*branch_equality<mode>_inverted): Likewise.
10186 (condjump): New expander.
10187 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10189 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10190 (bc1any2t, bc1any2f): Likewise.
10191 (single_cc): New expander.
10192 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10194 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10196 * doc/md.texi: Update documentation of MIPS constraints.
10197 * config/mips/constraints.md: New file.
10198 * config/mips/mips.md: Include it.
10199 * config/mips/mips.c (mips_char_to_class): Delete.
10200 (override_options): Don't initialize mips_char_to_class.
10201 * config/mips/mips.h (mips_char_to_class): Delete.
10202 (REG_CLASS_FROM_LETTER): Delete.
10203 (CONST_OK_FOR_LETTER_P): Delete.
10204 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10205 (EXTRA_CONSTRAINT_Y): Delete.
10206 (EXTRA_CONSTRAINT_STR): Delete.
10207 (CONSTRAINT_LEN): Delete.
10208 (EXTRA_MEMORY_CONSTRAINT): Delete.
10210 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10212 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10213 original fn's eh regions.
10215 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10217 * fold-const.c (build_range_check): Make sure to use a valid type to
10218 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10221 (range_predecessor): New static function.
10222 (range_successor): Likewise.
10223 (merge_ranges): Use them to compute predecessors and successors of
10226 2006-03-09 Roger Sayle <roger@eyesopen.com>
10228 PR middle-end/26561
10229 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10230 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10232 2006-03-08 DJ Delorie <dj@redhat.com>
10234 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10235 (addpsi3): Expand to include memory operands. Remove
10236 reload-specific splits.
10237 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10238 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10239 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10240 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10241 (shift1_qi, shift1_hi, insv): New.
10242 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10243 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10244 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10246 * config/m32c/m32c-protos.h: Update as needed.
10247 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10248 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10249 Fail for unrecognized R* constraints.
10250 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10251 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10252 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10254 (m32c_init_libfuncs): New.
10255 (m32c_legitimate_address_p): Add debug wrapper.
10256 (m32c_rtx_costs): New.
10257 (m32c_address_cost): New.
10258 (conversions): Add 'B' prefix.
10259 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10260 operands, or word regnames for QI operands. 'B' prints bit
10262 (m32c_expand_setmemhi): New.
10263 (m32c_expand_movmemhi): New.
10264 (m32c_expand_movstr): New.
10265 (m32c_expand_cmpstr): New.
10266 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10267 (m32c_expand_neg_mulpsi3): Handle non-ints.
10268 (m32c_cmp_flg_0): New.
10269 (m32c_expand_movcc): New.
10270 (m32c_expand_insv): New.
10271 (m32c_scc_pattern): New.
10272 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10273 a0/a1 out of SIregs.
10274 (STORE_FLAG_VALUE): New.
10275 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10278 * config/m32c/mov.md: Make constraints more liberal.
10279 (zero_extendqihi2): Optimize r0/r1 case.
10280 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10281 * config/m32c/predicates.md (m32c_any_operand): New.
10282 (m32c_nonimmediate_operand): New.
10283 (m32c_hl_operand): New.
10284 (m32c_r3_operand): New.
10287 (memsym_operand): New.
10288 (memimmed_operand): New.
10289 (a_qi_operand): New.
10290 (m32c_eqne_operator): New.
10291 (m32c_1bit8_operand): New.
10292 (m32c_1bit16_operand): New.
10293 (m32c_1mask8_operand): New.
10294 (m32c_1mask16_operand): New.
10295 * config/m32c/blkmov.md: New file.
10296 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10298 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10300 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10301 unsigned to fix signed/unsigned comparison issue in
10302 DWARF2_FRAME_REG_OUT.
10303 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10304 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10306 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10307 of ptr into the ENABLE_CHECKING section.
10309 2006-03-08 Jeff Law <law@redhat.com>
10311 * tree-vrp.c (infer_value_range): Only count pointer uses
10312 and dereferences if -fdelete-null-pointer-checks is enabled.
10314 * tree-vrp.c (find_assert_locations): Infer value ranges for
10315 single use pointers, but do not create ASSERT_EXPRs for them.
10316 When a non-null range is inferred for a pointer, backwards
10317 propagate that range to other equivalent pointers through the
10320 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10323 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10324 language hook targets.
10325 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10326 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10327 if language hook targets were missing.
10329 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10331 * tree-ssa-opfinalize.h: Removed.
10332 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10334 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10335 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10336 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10337 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10338 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10339 finalize_ssa_v_must_def_ops): New.
10341 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10343 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10344 block as parameter.
10346 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10348 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10350 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10351 addresses with offsets; reorganize.
10353 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10354 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10355 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10357 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10360 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10362 2006-03-08 Ben Elliston <bje@au.ibm.com>
10364 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10366 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10369 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10372 2006-03-07 Richard Guenther <rguenther@suse.de>
10374 PR tree-optimization/26587
10375 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10377 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10379 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10381 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10383 * hooks.c (hook_bool_mode_rtx_true): New function.
10384 * hooks.h (hook_bool_mode_rtx_true): Declare.
10385 * toplev.c (compile_file): Call output_shared_constant_pool.
10386 * varasm.c (shared_constant_pool): New variable.
10387 (assemble_start_function, assemble_end_function): Remove arguments
10388 from call to output_constant_pool.
10389 (create_constant_pool): New function, split out from...
10390 (init_varasm_status): ...here.
10391 (force_const_mem): Choose between the shared and per-function constant
10392 pools. Set current_function_uses_const_pool when reusing old entries
10393 as well as when creating new ones.
10394 (mark_constant): Ignore data argument.
10395 (mark_constants): Remove pool argument.
10396 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10397 to decide whether the function uses a constant pool.
10398 (output_constant_pool_contents): New function, split out from...
10399 (output_constant_pool): ...here.
10400 (output_shared_constant_pool): New function.
10401 (init_varasm_once): Initialize shared_constant_pool.
10402 * output.h (output_constant_pool): Delete.
10403 (output_shared_constant_pool): Declare.
10404 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10405 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10407 2006-03-06 Nick Clifton <nickc@redhat.com>
10409 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10410 flag_strength_reduce.
10412 2006-03-06 Ben Elliston <bje@au.ibm.com>
10414 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10415 x86_64-*-linux* configurations.
10417 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10418 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10420 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10422 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10424 * basic-block.h: Remove the extern for
10425 rediscover_loops_after_threading.
10427 * cfgloop.c (cancel_loop): Make it static.
10428 * cfgloop.h: Remove the prototype for cancel_loop.
10430 * flow.c (recompute_reg_usage): Make it static.
10431 * rtl.h: Remove the prototype for recompute_reg_usage.
10433 * function.c (use_return_register): Make it static.
10434 * function.h: Remove the prototype.
10436 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10438 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10440 * recog.h: Remove the prototype for
10441 validate_change_maybe_volatile.
10443 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10445 * rtlanal.c (replace_reg): Remove.
10446 * rtl.h: Remove the prototype for replace_reg.
10448 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10450 * regclass.c (reg_scan_update): Remove.
10451 (reg_scan_mark_refs): Remove the last argument.
10452 * rtl.h: Remove the prototype for reg_scan_update.
10454 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10456 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10457 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10458 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10459 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10460 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10461 loop-invariant.c, omp-low.c, opts.c, passes.c,
10462 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10463 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10464 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10465 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10466 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10467 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10469 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10471 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10472 * dwarf2out.h: Remove the prototype for
10473 dwarf2out_add_library_unit_info.
10475 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10477 * tree.c (add_var_to_bind_expr): Remove.
10478 * tree.h: Remove the prototype for add_var_to_bind_expr.
10480 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10482 * regclass.c (n_non_fixed_regs): Remove.
10483 (init_reg_sets_1, globalize_reg): Remove all uses of
10485 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10487 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10489 * rtlanal.c (insns_safe_to_move_p): Remove.
10490 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10492 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10494 * expmed.c (expand_mult_add): Remove.
10495 * expr.h: Remove the prototype for expand_mult_add.
10497 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10499 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10500 and REG_SAVED_VAL_EXP constants.
10501 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10502 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10503 Handle regs stored by value.
10504 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10505 (execute_cfa_program): Handle DW_CFA_val_offset,
10506 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10507 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10508 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10509 (uw_install_context_1): Handle target regs stored by value.
10511 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10513 * tree-sra.c (tree_sra): Return todoflags;
10514 (generate_one_element): Set TODO_update_smt_usage if needed.
10515 (pass_sra): Remove TODO_update_smt_usage.
10516 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10518 (tree_ssa_forward_propagate_single_use_vars): Return
10519 TODO_update_smt_usage if we need to update SMT usage.
10520 (pass_forwprop): Remove TODO_update_smt_usage.
10522 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10524 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10525 (correct_use_link): Remove reference to get_stmt_operands.
10526 (update_stmt_operands): Likewise.
10527 (get_modify_expr_operands): New function factored out of
10528 parse_ssa_operands and get_expr_operands.
10529 Try to create V_MUST_DEFs for LHS by default.
10530 (get_expr_operands) <case MODIFY_EXPR>: Call
10531 get_modify_expr_operands.
10532 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10533 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10534 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10535 get_modify_expr_operands.
10537 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10539 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10540 * tree-flow.h: Remove the prototype for
10541 referenced_var_lookup_if_exists.
10543 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10545 PR rtl-optimization/26345
10547 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10549 2006-03-03 Roger Sayle <roger@eyesopen.com>
10551 PR tree-optimization/26524
10552 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10553 fold_convert to create a constant of the appropriate type.
10555 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10557 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10558 SYMBOL_REF_IN_BLOCK_P.
10559 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10560 of SYMBOL_FLAG_IN_BLOCK.
10561 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10562 instead of SYMBOL_REF_IN_BLOCK_P.
10563 * explow.c (use_anchored_address): Likewise.
10564 * rtl.c (rtx_size): Likewise.
10565 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10566 instead of SYMBOL_FLAG_IN_BLOCK.
10567 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10568 SYMBOL_REF_IN_BLOCK_P.
10569 (assemble_variable): Likewise.
10570 (output_constant_def_contents): Likewise.
10571 (output_constant_pool): Likewise.
10572 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10573 instead of SYMBOL_FLAG_IN_BLOCK.
10574 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10575 SYMBOL_REF_IN_BLOCK_P.
10576 (SYMBOL_REF_BLOCK): Likewise.
10577 (SYMBOL_REF_OFFSET): Likewise.
10578 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10579 SYMBOL_REF_IN_BLOCK_P.
10580 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10581 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10582 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10583 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10585 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10587 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10589 2006-03-02 Roger Sayle <roger@eyesopen.com>
10591 * simplify-rtx.c (simplify_unary_operation): When simplifying
10592 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10593 that we perform the right shift in the appropriate mode, and
10594 then extend or truncate the result to requested mode.
10596 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10598 * gengtype.c (main): Handle double_int type.
10599 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10600 * double-int.c: New file.
10601 * double-int.h: New file.
10602 * system.h: Include doubleint.h.
10603 * Makefile.in (SYSTEM_H): Include double-int.h.
10604 (double-int.o): Add.
10606 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10609 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10612 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10614 * tree-vrp.c (remove_range_assertions): Do not update statements
10617 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10619 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10621 * gcse.c (rest_of_handle_gcse): Ditto.
10622 * except.c (gate_handle_eh): Ditto.
10623 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10624 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10626 2006-03-02 Eric Christopher <echristo@apple.com>
10628 * config/i386/i386.c (machopic_output_stub): Add indirection to
10631 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10635 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10637 Sun Niagara specific optimizations.
10638 * config.gcc: Recognize niagara as target.
10639 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10640 (TARGET_CPU_niagara): Define.
10641 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10642 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10643 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10644 (ASM_CPU_SPEC): Likewise.
10645 (PROCESSOR_NIAGARA): New enum entry.
10646 (REGISTER_MOVE_COST): Handle Niagara.
10647 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10648 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10649 (sparc_override_options): Recognize "niagara", set appropriate
10650 default MASK_* values for it, and align functions to 32-bytes
10651 by default just like ULTRASPARC/ULTRASPARC3.
10652 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10653 (sparc64_initialize_trampoline): Likewise.
10654 (sparc_use_sched_lookahead): Use zero for niagara.
10655 (sparc_issue_rate): Use one for niagara.
10656 * config/sparc/niagara.md: New file.
10657 * config/sparc/sparc.md: Include it.
10658 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10659 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10660 when default cpu is niagara.
10661 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10662 (ASM_CPU_SPEC): Likewise.
10663 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10664 when default cpu is niagara.
10665 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10666 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10667 just like v9/ultrasparc/ultrasparc3.
10668 * doc/invoke.texi: Add documentation for "niagara" and improve
10669 existing documentation for ultrasparc variants.
10671 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10673 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10675 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10677 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10678 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10679 and say that only one is needed.
10680 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10681 * target.h (have_switchable_bss_sections): New hook.
10682 * explow.c (use_anchored_address): Check that the symbol is in a block.
10683 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10684 (bss_noswitch_section): New variables.
10685 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10686 (get_noswitch_section): New function.
10687 (get_block_for_section): Allow SECT to be null.
10688 (unlikely_text_section_p): Use SECTION_STYLE.
10689 (bss_initializer_p): New function.
10690 (get_variable_section): Move earlier in file. Take a new argument,
10691 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10692 Return one of the new *_sections in such cases.
10693 (get_block_for_decl): New function, extracting some logic from
10694 use_blocks_for_decl_p.
10695 (change_symbol_section): Remove in favor of...
10696 (change_symbol_block): ...this new function.
10697 (use_blocks_for_decl_p): Remove checks now performed by
10698 get_block_for_decl.
10699 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10700 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10701 (emit_local, emit_bss, emit_common): ...these new functions.
10702 Return true if the alignment was honored.
10703 (emit_tls_common): New function.
10704 (asm_emit_uninitialised): Delete.
10705 (assemble_variable_noswitch): New function, split out from...
10706 (assemble_variable): ...here. Don't make decisions about common
10707 variables here. Globalize all public decls that go into non-common
10708 sections. Check whether SYMBOL_REF_BLOCK is null.
10709 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10710 (output_constant_pool): Likewise.
10711 (init_varasm_once): Initialize the new section variables.
10712 (have_global_bss_p): New function.
10713 (categorize_decl_for_section): Use bss_initializer_p.
10714 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10715 (place_block_symbol): Assert that the symbol must be in a block.
10716 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10717 (TARGET_INITIALIZER): Include it.
10718 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10719 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10720 (SECTION_MACH_DEP): Bump by two.
10721 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10722 (unnamed_section): Mention SECTION_UNNAMED in comment.
10723 (named_section): Likewise SECTION_NAMED.
10724 (noswitch_section_callback): New type.
10725 (noswitch_section): New structure.
10726 (section): Add a noswitch_section alternative.
10727 (SECTION_STYLE): New macro.
10728 (tls_comm_section, comm_section, lcomm_section): Declare.
10729 (bss_noswitch_section, have_global_bss_p): Declare.
10730 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10731 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10733 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10734 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10737 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10739 * tree-vrp.c (execute_vrp): Return value.
10740 * regrename.c (rest_of_handle_regrename): Ditto.
10741 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10742 * tree-complex.c (tree_lower_complex): Ditto.
10743 (tree_lower_complex_O0): Ditto.
10744 * tracer.c (rest_of_handle_tracer): Ditto.
10745 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10746 * postreload.c (rest_of_handle_postreload): Ditto.
10747 * tree-tailcall.c (execute_tail_recursion): Ditto.
10748 (execute_tail_calls): Ditto.
10749 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10750 * tree.h (init_function_for_compilation): Ditto.
10751 * ipa-cp.c (ipcp_driver): Ditto.
10752 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10753 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10754 * final.c (compute_alignments): Ditto.
10755 (rest_of_handle_final): Ditto.
10756 (rest_of_handle_shorten_branches): Ditto.
10757 (rest_of_clean_state): Ditto.
10758 * omp-low.c (execute_expand_omp): Ditto.
10759 (execute_lower_omp): Ditto.
10760 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10761 * ipa-reference.c (static_execute): Ditto.
10762 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10763 * reorg.c (rest_of_handle_delay_slots): Ditto.
10764 (rest_of_handle_machine_reorg): Ditto.
10765 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10766 * flow.c (recompute_reg_usage): Ditto.
10767 (rest_of_handle_remove_death_notes): Ditto.
10768 (rest_of_handle_life): Ditto.
10769 (rest_of_handle_flow2): Ditto.
10770 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10771 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10772 (do_ssa_store_ccp): Ditto.
10773 (execute_fold_all_builtins): Ditto.
10774 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10775 * modulo-sched.c (rest_of_handle_sms): Ditto.
10776 * ipa-pure-const.c (static_execute): Ditto.
10777 * cse.c (rest_of_handle_cse): Ditto.
10778 (rest_of_handle_cse2): Ditto.
10779 * web.c (rest_of_handle_web): Ditto.
10780 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10781 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10782 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10783 * tree-nrv.c (tree_nrv): Ditto.
10784 (execute_return_slot_opt): Ditto.
10785 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10786 (create_structure_vars): Ditto.
10787 * loop-init.c (rtl_loop_init): Ditto.
10788 (rtl_loop_done): Ditto.
10789 (rtl_move_loop_invariants): Ditto.
10790 (rtl_unswitch): Ditto.
10791 (rtl_unroll_and_peel_loops): Ditto.
10792 (rtl_doloop): Ditto.
10793 * gimple-low.c (lower_function_body): Ditto.
10794 (mark_used_blocks): Ditto.
10795 * tree-ssa-sink.c (execute_sink_code): Ditto.
10796 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10797 (cgraph_early_inlining): Ditto.
10798 * global.c (rest_of_handle_global_alloc): Ditto.
10799 * jump.c (cleanup_barriers): Ditto.
10800 (purge_line_number_notes): Ditto.
10801 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10802 (rest_of_handle_if_after_reload): Ditto.
10803 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10804 (tree_ssa_loop_im): Ditto.
10805 (tree_ssa_loop_unswitch): Ditto.
10806 (tree_vectorize): Ditto.
10807 (tree_linear_transform): Ditto.
10808 (tree_ssa_loop_ivcanon): Ditto.
10809 (tree_ssa_empty_loop): Ditto.
10810 (tree_ssa_loop_bounds): Ditto.
10811 (tree_complete_unroll): Ditto.
10812 (tree_ssa_loop_prefetch): Ditto.
10813 (tree_ssa_loop_ivopts): Ditto.
10814 (tree_ssa_loop_done): Ditto.
10815 * predict.c (tree_estimate_probability): Ditto.
10816 * recog.c (split_all_insns_noflow): Ditto.
10817 (rest_of_handle_peephole2): Ditto.
10818 (rest_of_handle_split_all_insns): Ditto.
10819 * tree-eh.c (lower_eh_constructs): Ditto.
10820 * regmove.c (rest_of_handle_regmove): Ditto.
10821 (rest_of_handle_stack_adjustments): Ditto.
10822 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10823 * function.c (instantiate_virtual_regs): Ditto.
10824 (init_function_for_compilation): Ditto.
10825 (rest_of_handle_check_leaf_regs): Ditto.
10826 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10827 (rest_of_handle_gcse): Ditto.
10828 * ipa-type-escape.c (type_escape_execute): Ditto.
10829 * alias.c (rest_of_handle_cfg): Ditto.
10830 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10831 * profile.c (rest_of_handle_branch_prob): Ditto.
10832 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10833 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10834 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10835 * tree-dfa.c (find_referenced_vars): Ditto.
10836 * except.c (set_nothrow_function_flags): Ditto.
10837 (convert_to_eh_region_ranges): Ditto.
10838 (rest_of_handle_eh): Ditto.
10839 * emit-rtl.c (unshare_all_rtl): Ditto.
10840 (remove_unnecessary_notes): Ditto.
10841 * except.h (set_nothrow_function_flags): Ditto.
10842 (convert_to_eh_region_ranges): Ditto.
10843 * cfgexpand.c (tree_expand_cfg): Ditto.
10844 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10845 * tree-ssa-pre.c (do_pre): Ditto.
10846 (execute_fre): Ditto.
10847 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10848 (rest_of_handle_jump2): Ditto.
10849 * tree-sra.c (tree_sra): Ditto.
10850 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10851 (execute_mudflap_function_decls): Ditto.
10852 * tree-ssa-copy.c (do_copy_prop): Ditto.
10853 (do_store_copy_prop): Ditto.
10854 * ipa-prop.h (ipcp_driver): Ditto.
10855 * cfglayout.c (insn_locators_initialize): Ditto.
10856 * tree-ssa-forwprop.c
10857 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10858 * cfglayout.h (insn_locators_initialize): Ditto.
10859 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10860 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10861 (execute_late_warn_uninitialized): Ditto.
10862 * rtl.h (cleanup_barriers): Ditto.
10863 (split_all_insns_noflow): Ditto.
10864 (purge_line_number_notes): Ditto.
10865 (unshare_all_rtl): Ditto.
10866 (remove_unnecessary_notes): Ditto.
10867 (recompute_reg_usage): Ditto.
10868 (variable_tracking_main): Ditto.
10869 * integrate.c (emit_initial_value_sets): Ditto.
10870 * integrate.h (emit_initial_value_sets): Ditto.
10871 * tree-optimize.c (execute_free_datastructures): Ditto
10872 (execute_free_cfg_annotations): Ditto.
10873 (execute_fixup_cfg): Ditto.
10874 (execute_cleanup_cfg_pre_ipa): Ditto.
10875 (execute_cleanup_cfg_post_optimizing): Ditto.
10876 (execute_init_datastructures): Ditto.
10877 * tree-object-size.c (compute_object_sizes): Ditto.
10878 * combine.c (rest_of_handle_combine): Ditto.
10879 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10880 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10881 (rest_of_handle_reorder_blocks): Ditto.
10882 (rest_of_handle_partition_blocks): Ditto.
10883 * var-tracking.c (variable_tracking_main): Ditto.
10884 * tree-profile.c (tree_profiling): Ditto.
10885 * tree-vect-generic.c (expand_vector_operations): Ditto.
10886 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10887 * sched-rgn.c (rest_of_handle_sched): Ditto.
10888 (rest_of_handle_sched2): Ditto.
10889 * basic-block.h (free_bb_insn): Ditto.
10890 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10891 * tree-cfg.c (execute_build_cfg): Ditto.
10892 (remove_useless_stmts): Ditto.
10893 (split_critical_edges): Ditto.
10894 (execute_warn_function_return): Ditto.
10895 (execute_warn_function_noreturn): Ditto.
10896 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10897 * cfgrtl.c (free_bb_for_insn): Ditto.
10898 * passes.c (execute_one_pass): Run additional
10899 todos returned by execute function.
10900 * tree-pass.h (struct tree_opt_pass): Make execute
10903 2006-03-02 Richard Guenther <rguenther@suse.de>
10905 * tree-ssa-alias.c (find_used_portions): Consider taking
10906 the address as making the variable not write-only.
10908 2006-03-02 Nick Clifton <nickc@redhat.com>
10910 * config.gcc (default_use_cxa_atexit): Extend the description of
10911 this configure variable. Set its default value to "yes" for
10912 Linux, NetBSD and ELF targets on the assumption that they will
10913 use C libraries with the __cxa_atexit function.
10915 2006-03-02 Ben Elliston <bje@au.ibm.com>
10917 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10918 parameter as unused to suppress a build warning.
10920 2006-03-02 Ben Elliston <bje@au.ibm.com>
10922 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10925 2006-03-01 Roger Sayle <roger@eyesopen.com>
10928 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10929 declared name, the weak reference name, and the typeof name.
10930 (__gthrw): Avoid expanding the declared name suffix.
10931 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10933 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10935 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10937 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10938 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10939 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10940 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10941 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10942 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10943 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10944 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10945 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10946 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10947 (DW_END_default, DW_END_big, DW_END_little): New.
10948 (DW_END_lo_user, DW_END_hi_user): Define.
10949 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10950 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10951 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10954 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10956 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10958 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10960 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10962 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10964 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10965 to 'symbol_mem_tag'.
10967 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10970 2006-03-01 Roger Sayle <roger@eyesopen.com>
10972 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10974 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10977 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10978 MACHO_DYNAMIC_NO_PIC_P.
10979 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10981 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10984 * config/darwin-protos.h (darwin_asm_output_anchor):
10986 * config/darwin-sections.def (cstring_section):
10987 Add SECTION_MERGE to the flags.
10988 (literal4_section): Likewise.
10989 (literal8_section): Likewise.
10990 (objc_selector_refs_section): Likewise.
10991 (objc_cls_refs_section): Likewise.
10992 * config/darwin.c (darwin_asm_output_anchor): New
10994 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10996 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10998 Fix PR tree-optimization/26443
10999 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11000 to todo and PROP_tmt_usage to properties_destroyed.
11001 * tree-ssa-ccp.c (pass_ccp): Ditto.
11002 (pass_store_ccp): Ditto.
11003 * tree-ssa-dom.c (pass_dominator): Ditto.
11005 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11007 * tree-ssa-operands.c: Cleanup whitespace.
11008 (get_asm_expr_operands): Move before first invocation.
11009 (get_indirect_ref_operands): Likewise.
11010 (get_tmr_operands): Likewise.
11011 (get_call_expr_operands): Likewise.
11012 (append_def): Likewise.
11013 (append_use): Likewise.
11014 (append_v_may_def): Likewise.
11015 (append_v_must_def): Likewise.
11016 (add_call_clobber_ops): Likewise.
11017 (add_call_read_ops): Likewise.
11018 (add_stmt_operand): Likewise.
11019 (add_virtual_operand): Likewise.
11020 (build_ssa_operands): Likewise.
11022 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11024 PR middle-end/26022
11026 PR middle-end/24437
11027 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11028 with a call expr to ...
11029 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11031 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11033 * tree-vrp.c (extract_range_from_assert): Remove special
11034 handling for types with super-types.
11036 2006-03-01 Ben Elliston <bje@au.ibm.com>
11038 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11039 and powerpc64-*-linux* configurations.
11040 * config/t-dfprules: New file.
11042 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11043 Compile dfp-bit.c from the source directory using -DWIDTH and
11044 $DFP_CFLAGS to control the compilation of that file, rather than
11045 generating width-specific versions in the build directory.
11046 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11047 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11049 2006-02-28 Zack Weinberg <zackw@panix.com>
11051 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11054 2006-02-28 Eric Christopher <echristo@apple.com>
11056 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11057 Set up IN_LIBGCC definition of TARGET_64BIT.
11058 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11060 2006-02-28 Roger Sayle <roger@eyesopen.com>
11062 PR middle-end/14752
11063 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11064 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11065 cases via the construction of "expr != 0".
11067 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11069 * alias.c (alias_invariant, alias_invariant_size): Remove.
11070 (record_base_value): Remove.
11071 (memrefs_conflict_p): Don't look at alias_invariant.
11072 (end_alias_analysis): Don't free it.
11073 * alias.h (record_base_value): Remove prototype.
11075 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11076 Adam Nemet <anemet@caviumnetworks.com>
11078 * rtl.h (truncated_to_mode): Declare it.
11079 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11080 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11081 (RTL_HOOKS_INITIALIZER): Include it.
11082 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11083 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11084 reg_truncated_to_mode.
11085 * rtlanal.c (truncated_to_mode): Define it.
11086 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11088 2006-02-28 Jeff Law <law@redhat.com>
11090 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11091 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11092 the range allowed by TYPE_PRECISION.
11094 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11096 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11098 PR tree-optimization/26419
11099 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11102 2006-02-27 Zack Weinberg <zackw@panix.com>
11104 * doc/md.texi: Fix typo in previous change.
11106 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11110 2006-02-27 Zack Weinberg <zackw@panix.com>
11112 * rtl.def (define_constraint, define_register_constraint)
11113 (define_memory_constraint, define_address_constraint): New MD forms.
11114 * gensupport.c (process_rtx): Put define_constraint etc on the
11116 * genpreds.c (process_define_predicate): Adjust comment. Validate
11117 the name, and call validate_exp to validate the expression.
11118 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11119 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11120 all callers changed.
11121 (validate_exp, needs_variable, struct constraint_data)
11122 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11123 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11124 (const_dbl_constraints, constraint_max_namelen)
11125 (have_register_constraints, have_memory_constraints)
11126 (have_address_constraints, have_address_constraints)
11127 (have_extra_constraints, have_const_int_constraints)
11128 (have_const_dbl_constraints, mangle, add_constraint)
11129 (process_define_constraint, process_define_register_constraint)
11130 (write_enum_constraint_num, write_lookup_constraint)
11131 (write_insn_constraint_len, write_regclass_for_constraint)
11132 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11133 (write_insn_extra_memory_constraint)
11134 (write_insn_extra_address_constraint)
11135 (write_satisfies_constraint_fns): New.
11136 (write_tm_preds_h): If we have new-style constraint definitions,
11137 prototype the functions generated from them, and define the
11138 old constraint interface (still used by generic code) in terms of
11140 (write_insn_preds_c): If we have new-style constraint definitions,
11141 generate all relevant functions from those definitions.
11142 (main): Handle define_constraint etc.
11143 * genoutput.c (struct constraint_data, indep_constraints)
11144 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11145 (mdep_constraint_len): New data structures and functions, defined
11146 #ifdef USE_MD_CONSTRAINTS.
11147 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11148 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11149 use new logic to validate operand constraints against constraint
11151 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11153 * defaults.h: If none of the old-style constraint macros are
11154 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11155 old-style macros; and poison REG_CLASS_FROM_LETTER,
11156 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11158 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11159 * doc/md.texi: Document new constraint-definition mechanism and the
11160 C interface it provides. Remove references to old mechanism
11161 elsewhere in the document.
11162 (Machine Constraints): Use pathnames relative to gcc directory,
11163 i.e. config/ARCH/FILE. Change i386 section to refer to
11164 config/i386/predicates.md; update that section to match docstrings.
11165 * doc/tm.texi: Move all documentation of the old constraint-
11166 definition macros to their own section, clearly mark as obsolete.
11168 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11169 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11171 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11172 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11173 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11174 constraint strings.
11175 (splits and peepholes): Use satisfies_constraint_*.
11176 * config/i386/i386.c (memory_address_length)
11177 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11179 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11181 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11182 scalar operation to be put back into the loop.
11184 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11187 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11188 (extract_cie_info): Handle S flag in augmentation string.
11189 (execute_cfa_program): If context->signal_frame, execute also
11190 fs->pc == context->ra instructions.
11191 (uw_frame_state_for): If context->signal_frame, don't subtract one
11192 from context->ra to find FDE.
11193 (uw_update_context_1): Set context->signal_frame to
11195 (_Unwind_GetIPInfo): New function.
11196 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11197 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11199 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11200 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11201 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11202 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11203 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11204 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11205 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11206 x86_64_fallback_frame_state): Set fs->signal_frame.
11207 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11208 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11209 (frob_update_context): Likewise. Workaround missing S flag in
11210 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11211 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11212 Remove the psw_addr + 1 hack.
11214 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11216 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11217 with aggregates here.
11218 (find_func_aliases): Remove code for &<aggregate> from here.
11220 2006-02-26 Roger Sayle <roger@eyesopen.com>
11222 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11223 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11224 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11225 as (X & C) ne/eq 0.
11227 2006-02-26 Roger Sayle <roger@eyesopen.com>
11229 PR middle-end/19983
11230 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11232 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11234 * opts.c (decode_options): Do not handle flag_strength_reduce.
11235 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11236 and OPT_fstrength_reduce.
11237 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11238 flag_prefetch_loop_arrays for being nonzero.
11239 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11241 (fprefetch-loop-arrays-rtl): Removed.
11242 (flag_prefetch_loop_arrays): Do not specify the value.
11244 * doc/passes.texi: Update documentation of loop optimizer
11246 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11247 -frerun-loop-opt): Remove.
11249 2006-02-26 Richard Guenther <rguenther@suse.de>
11251 PR tree-optimization/26421
11252 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11253 in function calls that are ADDR_EXPRs as using the whole structure.
11255 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11257 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11258 * tree-pass.h (pass_loop_optimize): Remove.
11259 * passes.c (pass_loop_optimize): Never run it.
11260 * toplev.c (backend_init): Don't call init_loop.
11261 * opts.c (flag_loop_optimize_set): Remove.
11262 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11263 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11264 the old RTL loop optimizer when profiling enabled.
11265 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11266 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11267 pre-headers for the sake of the old RTL loop optimizer.
11268 * Makefile.in: Remove all references to loop.o.
11270 * doc/invoke.texi: Remove all references to -floop-optimize
11271 and -frerun-loop-opt.
11273 2006-02-26 Zack Weinberg <zackw@panix.com>
11275 * doc/md.texi (Machine Constraints): Refer to all files with paths
11276 relative to gcc directory (i.e. config/CPU/file). Add missing
11277 @table @code ... @end table to M32C subsection.
11279 2006-02-26 Roger Sayle <roger@eyesopen.com>
11281 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11283 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11285 2006-02-26 Roger Sayle <roger@eyesopen.com>
11286 James A. Morrison <phython@gcc.gnu.org>
11288 PR middle-end/21137
11289 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11290 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11291 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11292 signedness of the shift operation.
11294 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11296 PR tree-optimization/26359
11297 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11299 2006-02-25 Roger Sayle <roger@eyesopen.com>
11301 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11302 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11303 as X == 0, and some symmetry related transformations.
11304 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11306 2006-02-25 Roger Sayle <roger@eyesopen.com>
11308 PR middle-end/23673
11309 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11310 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11311 symmetry related transformations. Fold (X^C1) == C2 as
11314 2006-02-25 Juergen Weigert <jw@suse.de>
11315 Richard Guenther <rguenther@suse.de>
11317 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11319 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11321 * combine.c (gen_lowpart_or_truncate): Call
11322 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11324 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11326 * doc/invoke.texi: Move -fopenmp description to "Options for
11328 Remove reference to -lgomp.
11330 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11332 * doc/install.texi: Require GNU tar version 1.14.
11334 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11336 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11337 * doc/invoke.texi (C++ Dialect Options): Document
11338 -fno-use-cxa-get-exception-ptr.
11339 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11340 * configure: Regenerate.
11341 * c.opt (fuse-cxa-get-exception-ptr): New.
11342 * c-opts.c (c_common_handle_option): Handle
11343 OPT_fuse_cxa_get_exception_ptr.
11344 * c-common.c (flag_use_cxa_atexit): Update documentation.
11345 (flag_use_cxa_get_exception_ptr): New.
11346 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11347 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11349 (C_COMMON_OVERRIDE_OPTIONS): New.
11351 2006-02-24 Roger Sayle <roger@eyesopen.com>
11353 PR middle-end/24952
11354 * combine.c (try_combine): Explicitly check whether GET_CODE is
11355 a SET or a CLOBBER, instead on checking that it isn't a USE.
11357 2006-02-24 Roger Sayle <roger@eyesopen.com>
11359 * fold-const.c (fold_comparison): New subroutine of fold_binary
11360 containing transformations common to both the equality and
11361 ordering relational operators, factored out of fold_binary.
11362 (fold_binary): Separate out the equality operators (EQ_EXPR
11363 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11364 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11365 transformations common to both.
11366 (fold_div_compare): Fix latent bugs in the previously unreachable
11367 LT_EXPR and GE_EXPR cases.
11369 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11371 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11372 decl libname for clog to __clog on AIX.
11374 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11376 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11379 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11380 output traceback table for thunks. Localise rs6000_stack_info call.
11382 2006-02-23 Roger Sayle <roger@eyesopen.com>
11383 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11385 * gthr-posix.h (__gthrw): Fix typo in comment.
11387 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11389 * doc/cpp.texi (Character sets): Document that we do support
11390 input files to be in any character set.
11392 2006-02-23 Jeff Law <law@redhat.com>
11394 * tree.h (PHI_ARG_NONZERO): Remove.
11395 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11396 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11397 node to the new node.
11399 PR tree-optimization/26425
11400 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11401 min/max, then assume its varying.
11403 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11405 PR rtl-optimization/26316
11406 * rtlanal.c (enum may_trap_p_flags): New.
11407 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11408 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11409 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11410 (may_trap_after_code_motion_p): New function.
11411 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11412 (find_invariant_insn): Use may_trap_after_code_motion_p.
11413 * rtl.h (may_trap_after_code_motion_p): Declare.
11415 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11417 * emit-rtl.c (immed_double_const): Cleanup.
11419 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11421 Fix PR tree-optimization/26376
11422 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11425 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11427 PR middle-end/26412
11428 * gimplify.c (omp_add_variable): Guard variable size decl test with
11429 DECL_SIZE (decl) check.
11431 2006-02-23 Richard Guenther <rguenther@suse.de>
11433 PR middle-end/26439
11434 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11435 like aggregate types.
11437 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11439 * configure.ac: Add --with{,out}-long-double-128 configure option.
11440 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11441 * configure: Rebuilt.
11442 * config.in: Rebuilt.
11443 * doc/install.texi (Options specification): Document
11444 --with-long-double-128.
11446 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11447 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11448 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11449 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11451 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11453 * config/s390/s390.c (override_options): Handle
11454 TARGET_DEFAULT_LONG_DOUBLE_128.
11456 * config/alpha/alpha.c (override_options): Handle
11457 TARGET_DEFAULT_LONG_DOUBLE_128.
11459 * config/sparc/sparc.c (sparc_override_options): Handle
11460 TARGET_DEFAULT_LONG_DOUBLE_128.
11462 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11464 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11465 (real-install-headers-tar, real-install-headers-cpio)
11466 (real-install-headers-cp): New targets.
11468 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11470 * tree.h (variable_section): Delete.
11471 * varasm.c (variable_section): Delete.
11473 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11475 * install.texi: Add notes on install.texi2html.
11476 (Building in parallel): Do not use footnotes.
11478 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11481 * doc/install.texi (Configuration): Document --disable-libgomp.
11483 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11485 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11487 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11489 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11490 (vec_extractv2df_0_sse): New.
11492 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11494 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11495 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11496 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11497 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11498 to the result of the expression.
11499 (def_cfa_1): Adjust.
11500 (frame_pointer_cfa_offset): Rename to...
11501 (frame_pointer_fb_offset): ... this. Adjust all uses.
11502 (convert_cfa_to_loc_list): Rename to...
11503 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11504 Pass it on to build_cfa_loc.
11505 (compute_frame_pointer_to_cfa_displacement): Rename to...
11506 (compute_frame_pointer_to_fb_displacement): ... this. New
11507 offset parameter. Use it in computation.
11508 (gen_subprogram_die): Compute cfa_fb_offset with the new
11509 macro, and use it to compute the fb loc list and the
11512 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11514 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11515 replaced with register_operand.
11516 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11517 non-DREG is expensive.
11518 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11519 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11522 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11524 * doc/install.texi2html: Use set -e.
11526 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11528 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11529 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11530 * doc/invoke.texi (-fshared-data): Delete.
11531 * common.opt (fshared-data): Delete.
11532 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11533 (assemble_static_space): Remove #if 0 code.
11534 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11535 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11536 * config/cris/cris.h: Remove FIXME.
11538 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11540 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11543 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11545 PR middle-end/26379
11546 * combine.c (simplify_shift_const_1): Disable nested shifts
11547 optimization for vector shifts.
11549 2006-02-20 Roger Sayle <roger@eyesopen.com>
11551 PR tree-optimization/26361
11552 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11553 of unsigned integer types.
11555 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11557 * tree-chrec.c (eq_evolutions_p): New.
11558 * tree-chrec.h (eq_evolutions_p): Declared.
11559 * tree-data-ref.c: Fix formatting.
11560 (datadep_stats, dependence_stats): New.
11562 (print_direction_vector): New.
11563 (dump_data_dependence_relation): Use print_direction_vector.
11564 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11565 (compute_subscript_distance): Static.
11566 (initialize_data_dependence_relation): Static. Get the number
11567 of loops surrounding the references from the callers, and initialize
11568 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11569 base_object_differ_p analyzers.
11570 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11571 compute_overlap_steps_for_affine_1_2,
11572 analyze_subscript_affine_affine): Count the classified dependences.
11573 Print a message when a test failed.
11574 (can_use_analyze_subscript_affine_affine): New.
11575 (analyze_siv_subscript): Compute the data dependences on symbolic
11576 scevs that verify can_use_analyze_subscript_affine_affine.
11577 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11578 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11579 Handle symbolic scevs.
11580 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11582 (subscript_dependence_tester): Moved...
11583 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11584 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11585 DDR_SIZE_VECT instead of getting it in parameter.
11586 (subscript_dependence_tester): ... here. Take as a parameter
11587 loop_nest_depth. Call build_classic_dist_vector and
11588 build_classic_dir_vector.
11589 (compute_affine_dependence): Update subscript_dependence_tester
11590 parameters. Update datadep_stats counters. Call
11591 compute_subscript_distance.
11592 (compute_self_dependence): Save the dist and dir vectors. Call
11593 compute_subscript_distance.
11594 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11595 (compute_all_dependences): Reorder parameters as they were before
11596 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11597 compute_subscript_distance. Update the use of
11598 compute_affine_dependence and initialize_data_dependence_relation.
11599 (find_data_references_in_loop): Handle COMPONENT_REF.
11600 (compute_data_dependences_for_loop): Initialize dependence_stats.
11601 Don't call build_classic_dist_vector and build_classic_dir_vector.
11602 Update the parameters of initialize_data_dependence_relation and
11603 compute_all_dependences. Print the statistics from datadep_stats.
11604 (analyze_all_data_dependences): Static. Not used until the pass for
11605 checking the data dependences is contributed.
11606 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11607 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11608 (initialize_data_dependence_relation, compute_affine_dependence,
11609 analyze_all_data_dependences, compute_subscript_distance): Removed.
11610 (print_direction_vector): New.
11611 * lambda.h (gcd): ... here.
11612 (lambda_vector_gcd): Moved here from gcd_vector.
11613 * lambda-code.c (gcd, gcd_vector): Removed.
11614 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11615 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11617 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11619 * ipa-type-escape.c: Tidy some comments and white space.
11620 * tree-ssa-operands.c: Likewise.
11622 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11625 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11626 (dump_decl_name): Do not walk the decl tree chains.
11627 * tree-pass.h (TDF_CHAIN): Remove.
11629 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11631 * Makefile.in (C): Remove
11633 (.PHONY): Remove C and PROTO
11635 2006-02-20 Roger Sayle <roger@eyesopen.com>
11637 PR middle-end/26236
11638 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11639 deprecated CHAR_TYPE tree code.
11641 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11643 * configure.ac (target_list): Add install-info, dvi, html.
11644 * configure: Regenerate.
11646 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11647 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11648 treelang/Make-lang.in: Do not use double-colon rules.
11650 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11652 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11653 (TMT_USED_ALONE): New macro.
11654 * tree-pass.h (PROP_tmt_usage): New property.
11655 (TODO_update_tmt_usage): New todo.
11656 * tree-ssa-alias.c (updating_used_alone): New variable.
11657 (recalculate_used_alone): New function.
11658 (compute_may_aliases): Set updating_used_alone, call
11659 recalculate_used_alone.
11660 * tree-sra.c (pass_sra): Note that this pass destroys
11661 PROP_tmt_usage, and add TODO_update_tmt_usage.
11662 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11663 * tree-flow.h (updating_used_alone): Prototype.
11664 (recalculate_used_alone): Ditto.
11665 * passes.c (execute_todo): Add code to set updating_used_alone,
11666 and call recalculate.
11667 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11668 for clobber if used alone, and add assert to verify used_alone
11671 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11673 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11674 for non tls symbols added.
11675 (legitimize_address): Do nothing for PLUS expressions if one of the
11676 addends is a tls symbol reference.
11678 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11682 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11684 * Makefile.in (BOOTSTRAPPING): New.
11685 (quickstrap): New definition if BOOTSTRAPPING=yes.
11687 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11688 * configure.ac: Substitute all_selected_languages with the languages
11689 that were configured. For all the other variables except
11690 lang_specs_files, include all the languages in the tree.
11691 * configure: Regenerate.
11693 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11694 if there is one. Run the commands to run fixincludes in the same
11697 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11698 * doc/install.texi: Document exact conventions for searching target tools.
11699 Document --with-build-time-tools. Document toplevel bootstrap. Document
11700 something more about building an Ada cross-compiler. Don't list GNU Make
11701 requirements which affect all platforms.
11703 2006-02-19 Roger Sayle <roger@eyesopen.com>
11705 PR middle-end/19543
11706 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11707 only equivalent if the have both the same mode and precision.
11709 2006-02-20 Ben Elliston <bje@au.ibm.com>
11711 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11713 2006-02-19 Roger Sayle <roger@eyesopen.com>
11714 Steven Bosscher <stevenb.gcc@gmail.com>
11716 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11717 constant pool references to identify stack mode constants.
11718 * rtlanal.c (constant_pool_constant_p): New predicate to check
11719 whether operand is a floating point constant in the pool.
11720 * rtl.h (constant_pool_constant_p): Prototype here.
11721 * loop.c (scan_loop): Avoid hoisting constants from the constant
11722 pool on STACK_REGS targets.
11723 (load_mems): Likewise.
11724 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11725 loads into x87 registers expensive in terms of register pressure.
11727 2006-02-19 Roger Sayle <roger@eyesopen.com>
11729 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11730 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11732 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11734 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11735 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11737 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11739 * doc/invoke.texi: Document -fipa-pta.
11740 * common.opt: Add ipa-pta option.
11741 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11742 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11743 (do_ds_constraint): Ditto.
11744 (get_constraint_for): Only add to referenced_vars if
11745 referenced_vars exists.
11746 (insert_into_field_list): Rewrite to do this unsorted.
11747 (insert_into_field_list_sorted): Rename old insert_into_field_list
11749 (create_function_info_for): Use insert_into_field_list_sorted.
11750 (create_variable_info_for): Rewrite so it uses unsorted version,
11751 since the field list is sorted.
11752 (intra_create_variable_infos): Only add to referenced_vars if
11753 referenced_vars exists.
11754 (ipa_pta_execute): Init heapvars, and delete when done.
11755 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11757 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11759 * doc/install.texi: Add missing `@samp'.
11761 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11763 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11766 2006-02-18 Mark Wielaard <mark@klomp.org>
11768 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11769 who added new 4.1 features, bug fixes and integration support.
11771 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11774 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11775 MEM for ABI_V4 pic.
11777 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11779 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11780 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11781 (copy_insn_1): Likewise. Don't copy each field individually.
11783 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11785 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11786 * rtl.c (rtx_size): Rename variable to...
11787 (rtx_code_size): ...this.
11788 (rtx_size): New function.
11789 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11790 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11792 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11793 * rtl.h (rtx_code_size): New variable.
11794 (rtx_size): Change from a variable to a function.
11795 (RTX_SIZE): Rename to...
11796 (RTX_CODE_SIZE): ...this.
11799 PR tree-optimization/17106
11800 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11801 (Anchored Addresses): New section.
11802 * doc/invoke.texi (-fsection-anchors): Document.
11803 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11804 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11805 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11806 * hooks.c (hook_bool_mode_rtx_false): New function.
11807 * hooks.h (hook_bool_mode_rtx_false): Declare.
11808 * gengtype.c (create_optional_field): New function.
11809 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11810 SYMBOL_REF_IN_BLOCK_P is true.
11811 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11812 (min_anchor_offset, max_anchor_offset): Likewise.
11813 (use_anchors_for_symbol_p): New hook.
11814 * toplev.c (compile_file): Call output_object_blocks.
11815 (target_supports_section_anchors_p): New function.
11816 (process_options): Check that -fsection-anchors is only used on
11817 targets that support it and when -funit-at-a-time is in effect.
11818 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11819 if the decl doesn't have one.
11820 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11821 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11822 of force_const_mem through use_anchored_address.
11823 (expand_expr_constant): New function.
11824 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11825 calling expand_expr for INDIRECT_REF.
11826 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11827 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11828 * expr.h (use_anchored_address): Declare.
11829 * loop-unroll.c: Don't declare rtx vectors here.
11830 * explow.c: Include output.h.
11831 (validize_mem): Call use_anchored_address.
11832 (use_anchored_address): New function.
11833 * common.opt (-fsection-anchors): New switch.
11834 * varasm.c (object_block_htab, anchor_labelno): New variables.
11835 (hash_section, object_block_entry_eq, object_block_entry_hash)
11836 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11837 (use_blocks_for_decl_p, change_symbol_section): New functions.
11838 (get_variable_section): New function, split out from assemble_variable.
11839 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11840 use_blocks_for_decl_p say so. Use change_symbol_section if the
11841 symbol has already been created.
11842 (assemble_variable_contents): New function, split out from...
11843 (assemble_variable): ...here. Don't output any code for
11844 block symbols; just pass them to place_block_symbol.
11845 Use get_variable_section and assemble_variable_contents.
11846 (get_constant_alignment, get_constant_section, get_constant_size): New
11847 functions, split from output_constant_def_contents.
11848 (build_constant_desc): Create a block symbol if use_object_blocks_p
11849 says so. Or into SYMBOL_REF_FLAGS.
11850 (assemble_constant_contents): New function, split from...
11851 (output_constant_def_contents): ...here. Don't output any code
11852 for block symbols; just pass them to place_section_symbol.
11853 Use get_constant_section and get_constant_alignment.
11854 (force_const_mem): Create a block symbol if use_object_blocks_p and
11855 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11856 (output_constant_pool_1): Add an explicit alignment argument.
11857 Don't switch sections here.
11858 (output_constant_pool): Adjust call to output_constant_pool_1.
11859 Switch sections here instead. Don't output anything for block symbols;
11860 just pass them to place_block_symbol.
11861 (init_varasm_once): Initialize object_block_htab.
11862 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11863 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11864 (place_block_symbol, get_section_anchor, output_object_block)
11865 (output_object_block_htab, output_object_blocks): New functions.
11866 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11867 (TARGET_ASM_OUT): Include it.
11868 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11869 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11870 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11871 (TARGET_INITIALIZER): Include them.
11872 * rtl.c (rtl_check_failed_block_symbol): New function.
11873 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11874 (block_symbol, object_block): New structures.
11875 (rtx_def): Add a block_symbol field to the union.
11876 (BLOCK_SYMBOL_CHECK): New macro.
11877 (rtl_check_failed_block_symbol): Declare.
11878 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11879 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11880 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11881 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11882 * output.h (output_section_symbols): Declare.
11883 (object_block): Name structure.
11884 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11885 (default_use_anchors_for_symbol_p): Declare.
11886 * Makefile.in (RTL_BASE_H): Add vec.h.
11887 (explow.o): Depend on output.h.
11888 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11889 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11890 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11891 (rs6000_use_blocks_for_constant_p): New function.
11893 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11895 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11897 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11900 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11903 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11905 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11909 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11911 PR middle-end/26334
11912 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11913 instead of DECL_REGISTER.
11915 2006-02-18 Olivier Hainque <hainque@adacore.com>
11918 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11920 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11923 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11924 * opth-gen.awk: Handle Var and InverseMask together.
11925 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11926 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11927 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11928 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11930 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11931 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11932 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11933 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11934 LINUX_DYNAMIC_LINKER): Define.
11935 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11936 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11938 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11939 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11940 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11941 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11942 (TARGET_C99_FUNCTIONS): Don't define.
11943 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11944 GLIBC_DYNAMIC_LINKER.
11945 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11946 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11947 GLIBC_DYNAMIC_LINKER64): Define.
11948 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11949 LINUX_DYNAMIC_LINKER64.
11950 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11951 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11952 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11953 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11954 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11955 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11956 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11957 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11958 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11959 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11960 and LINUX_DYNAMIC_LINKER32.
11961 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11962 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11963 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11964 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11965 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11967 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11968 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11969 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11970 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11971 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11972 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11973 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11974 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11975 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11976 LINUX_DYNAMIC_LINKER): Define.
11977 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11978 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11979 GLIBC_DYNAMIC_LINKER64): Define.
11980 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11981 LINUX_DYNAMIC_LINKER64.
11982 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11983 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11984 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11985 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11986 LINUX_DYNAMIC_LINKER): Define.
11987 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11988 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11989 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11990 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11991 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11992 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11993 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11994 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11995 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11996 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11997 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11998 * doc/invoke.texi (-muclibc): Remove caveat about supported
12001 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12003 * doc/cpp.texi (__TIMESTAMP__): Document.
12005 2006-02-17 Roger Sayle <roger@eyesopen.com>
12007 PR middle-end/25600
12008 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12009 C is one less than the width of X (and related transformations).
12010 * simplify-rtx.c (simplify_unary_operation_1): Transform
12011 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12012 depending on STORE_FLAG_VALUE, were C is one less then the
12015 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12017 Fix PR tree-optimization/26341
12018 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12019 about NAME_MEMORY_TAG's.
12021 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12024 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12025 with hardware float support, and software float support. Add fcpy
12026 alternative to hardware patterns. Add alternatives to copy between
12027 general and floating-point registers to the 32-bit pattern.
12028 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12029 secondary reload to load a QI or HI mode constant into a floating
12031 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12032 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12034 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12037 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12039 (load_macho_picbase_di): Likewise.
12041 2006-02-16 Jeff Law <law@redhat.com>
12043 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12044 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12045 (ssa_name_nonzero_p): Likewise.
12046 (get_value_range): Return NULL if VRP is not running.
12047 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12048 VRP routines do not discover a range.
12049 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12050 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12051 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12052 (tree_expr_nonnegative_p): Similarly.
12053 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12054 (restore_nonzero_vars_to_original_value): Remove.
12055 (unsafe_associative_fp_binop): Remove.
12056 (tree_ssa_dominator_optimize): Remove initialization and
12057 finalization of nonzero_vars and nonzero_vars_stack.
12058 (dom_opt_initialize_block): No longer push marker on
12059 nonzero_vars_stack.
12060 (dom_opt_finalize_block): No longer call
12061 restore_nonzero_vars_to_original_value.
12062 (record_equivalences_from_phis): No longer look for
12063 nonzero PHI arguments.
12064 (cprop_into_successor_phis): No longer propagate nonzero
12065 property into PHI arguments. Lose unused argument. Caller
12067 (record_equivalences_from_stmt): No longer record nonzero
12068 values for SSA_NAMEs.
12069 (lookup_avail_expr): No longer use nonzero_vars.
12071 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12072 for sizetype when sizetype is unsigned.
12074 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12076 PR rtl-optimization/25603
12077 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12078 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12079 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12080 with new meaning of SETS.
12082 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12087 * config/linux.opt: New file.
12088 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12089 LINUX_DYNAMIC_LINKER): Define.
12090 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12091 * config.gcc (*-*-linux*): Define extra_options.
12092 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12093 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12094 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12095 GLIBC_DYNAMIC_LINKER.
12096 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12097 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12098 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12099 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12100 * doc/invoke.texi (GNU/Linux Options): New section.
12102 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12104 * config/sparc/sparc.md (setjmp): Rewrite.
12105 (setjmp_32): Delete.
12106 (setjmp_64): Likewise.
12108 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12110 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12113 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12115 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12118 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12120 PR rtl-optimization/26296
12121 * Makefile.in (loop-invariant.c): Add except.h dependency.
12122 * loop-invariant.c: Include except.h.
12123 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12125 2005-02-16 Paul Brook <paul@codesourcery.com>
12127 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12130 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12132 PR rtl-optimization/25636
12133 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12134 when deciding whether an insn is an initializing insn.
12136 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12138 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12139 (tree_code_size): Ditto.
12140 * tree.h (struct tree_memory_tag): Remove parent_var.
12141 (struct tree_struct_field_tag): New.
12144 (union tree_node): Add sft member.
12145 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12147 (create_sft): Add size and offset argument, set SFT_OFFSET and
12149 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12150 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12151 * tree-flow-inline.h (get_subvar_at): Update for
12152 SFT_OFFSET/SFT_SIZE.
12153 (var_can_have_subvars): Ditto.
12154 (overlap_subvar): Ditto.
12155 * print-tree.c (print_node): Print out interesting things for
12157 * tree-flow.h (struct subvar): Remove offset and size members.
12158 * tree-ssa-operands.c (get_expr_operands): Update for
12159 get_indirect_ref_operands changes.
12160 (get_indirect_ref_operands): Call add_virtual_operand instead of
12161 add_stmt_operand. Only recurse on base var if requested.
12162 (access_can_touch_variable): New function.
12163 (add_stmt_operand): Split virtual operand handling into ...
12164 (add_virtual_operand): Here. Add offset, size, and for_clobber
12165 arguments. Prune alias sets.
12166 (add_call_clobber_ops): Call add_virtual_operand.
12168 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12170 PR middle-end/26300
12171 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12173 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12174 than TREE_CODE as index into omp_clause_num_ops array.
12176 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12178 PR rtl-optimization/26184
12179 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12181 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12182 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12183 must_precede, must_follow and tobe_scheduled.
12186 * opts.c (common_handle_option): Free new_option pointer.
12187 * df-core.c (df_analyze): Free postorder pointer.
12189 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12191 * Makefile.in: Fix the examples about the use of stamps
12193 2006-02-15 Michael Matz <matz@suse.de>
12195 PR middle-end/22275
12197 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12198 influenced by maximum_field_alignment or DECL_PACKED.
12199 (update_alignment_for_field): Ditto.
12200 (place_field): Ditto.
12201 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12204 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12206 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12207 (debug_flow_info): Pass it.
12208 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12209 * bb-reorder.c (reorder_basic_blocks): Likewise.
12210 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12211 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12212 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12213 * gcse.c (gcse_main, bypass_jumps): Likewise.
12214 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12215 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12216 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12217 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12218 * rtl.h (dump_flow_info): Adjust prototype.
12219 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12220 * var-tracking.c (variable_tracking_main): Likewise.
12221 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12222 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12225 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12227 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12230 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12232 PR tree-optimization/26209
12233 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12234 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12236 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12238 2006-02-14 Roger Sayle <roger@eyesopen.com>
12240 PR middle-end/23670
12241 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12242 (X,Y) and the corresponding symmetry related transformations.
12243 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12244 (X,Y) and its symmetry related transformations.
12246 2006-02-14 Roger Sayle <roger@eyesopen.com>
12248 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12251 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12253 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12255 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12258 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12259 support COMDAT group.
12260 * configure: Regenerate.
12262 2006-02-14 Roger Sayle <roger@eyesopen.com>
12264 PR middle-end/26279
12265 PR middle-end/26280
12266 PR middle-end/26283
12267 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12269 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12271 Fix PR tree-optimization/26260
12273 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12275 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12276 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12277 * tree-ssa-structalias.c (create_variable_info_for): Use
12278 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12280 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12282 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12284 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12285 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12286 of the ending condition.
12287 * tree-ssa-loop-manip.c: Include params.h.
12288 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12289 tree_unroll_loop): New functions.
12290 * tree-pass.h (pass_loop_prefetch): Declare.
12291 * loop.c (rest_of_handle_loop_optimize): Test for
12292 -fprefetch-loop-arrays-rtl.
12293 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12294 * timevar.def (TV_TREE_PREFETCH): New timevar.
12295 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12296 pass_loop_prefetch): New.
12297 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12298 (cleanup_tree_cfg_loop): Call scev_reset.
12299 * common.opt (fprefetch-loop-arrays-rtl): Add.
12300 * tree-ssa-loop-prefetch.c: New file.
12301 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12302 (new_temp_expr_table): Initialize expr_vars.
12303 (free_temp_expr_table): Cleanup expr_vars.
12304 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12305 expressions from being merged into one.
12306 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12307 (struct tree_niter_desc): Add control, bound and cmp fields.
12308 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12310 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12311 (tree-cfgcleanup.o): Add SCEV_H dependency.
12312 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12313 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12315 2006-02-14 Richard Guenther <rguenther@suse.de>
12317 PR tree-optimization/26258
12318 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12319 in PHI argument processing.
12321 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12323 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12324 new expression in the requested machine mode.
12326 2006-02-13 Roger Sayle <roger@eyesopen.com>
12328 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12329 directly, instead let do_compare_rtx_and_jump handle this for us.
12330 * expr.c (expand_expr_real_1): Likewise.
12331 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12332 before do_jump_by_parts_greater.
12333 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12334 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12336 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12338 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12340 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12342 PR rtl-optimization/26235
12343 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12344 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12347 2006-02-13 Jeff Law <law@redhat.com>
12349 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12352 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12354 PR middle-end/26092
12355 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12356 twice if decl is a builtin. When trying again, call get_callee_fndecl
12357 first to verify it is still a builtin.
12359 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12361 * dwarf2out.c (base_type_die): Don't add AT_name here.
12362 (subrange_type_die): Don't add AT_name here.
12363 (modified_type_die): Rearrange code flow. Do add AT_name here.
12365 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12367 PR rtl-optimization/26247
12368 PR rtl-optimization/26248
12369 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12371 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12373 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12374 * config/fixtfdi.c: Likewise.
12375 * config/fixunstfdi.c: Likewise.
12376 * config/floatditf.c: Likewise.
12378 2006-02-13 Roger Sayle <roger@eyesopen.com>
12380 PR middle-end/24427
12381 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12382 into (X,C2) if C1 is a subset of the bits of C2. Transform
12383 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12385 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12387 2006-02-13 Josh Conner <jconner@apple.com>
12390 * varasm.c (function_section): Check for section name before
12391 calling select_section on targets that define
12392 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12393 unlikely_text_section instead of hot_function_section if
12394 first_function_block_is_cold.
12396 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12398 PR middle-end/25335
12399 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12401 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12403 PR rtl-optimization/26222
12404 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12405 after tree->rtl expansion.
12406 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12407 before passing it to emit_move_insn.
12409 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12411 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12413 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12414 Clarify documentation.
12415 * c-common.h (warn_write_strings): Remove.
12416 * c-common.c (warn_write_strings): Likewise.
12417 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12420 2006-02-12 Roger Sayle <roger@eyesopen.com>
12422 PR middle-end/25724
12423 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12424 (do_jump_parts_zero_rtx): New function renamed from
12425 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12426 (do_jump_parts_equality_rtx): New function split out from
12427 do_jump_parts_equality. Old implementation renamed as above.
12428 Call do_jump_parts_zero_rtx if either operand is zero.
12429 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12430 do all of the heavy lifting.
12431 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12432 calling either do_jump_by_parts_greater_rtx or
12433 do_jump_by_parts_equality_rtx.
12434 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12435 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12436 moved to do_compare_rtx_and_jump, call it directly.
12437 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12438 mode argument. Call do_compare_rtx_and_jump.
12439 (emit_case_nodes): Update calls to do_jump_if_equal.
12441 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12443 PR rtl-optimization/26225
12444 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12446 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12448 PR rtl-optimization/26232
12449 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12451 2006-02-11 Jason Merrill <jason@redhat.com>
12454 * tree-inline.c (declare_return_variable): Just don't use the
12455 modify target if it's a gimple complex reg and the return slot
12458 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12460 * doc/contrib.texi: Update my entry.
12462 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12464 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12466 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12468 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12471 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12473 * doc/invoke.texi (-floop-optimize2): Removed.
12474 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12475 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12476 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12477 * common.opt (floop-optimize2): Removed.
12478 (fmove-loop-invariants): Enabled by default.
12480 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12482 * tree-if-conv.c (combine_blocks): Free the result of
12483 get_loop_exit_edges.
12485 2006-02-10 Jeff Law <law@redhat.com>
12487 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12489 PR tree-optimization/26213
12490 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12491 loop trying to follow SSA_NAME_VALUE chains.
12493 2006-02-10 Richard Guenther <rguenther@suse.de>
12495 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12496 deal with structures that end in implicitly variable sized arrays.
12498 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12500 PR rtl-optimization/24762
12501 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12504 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12506 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12507 (struct ivopts_data): Add regs_used field.
12508 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12509 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12510 instead of loop_data->regs_used;
12511 (free_loop_data): Do not free aux fields for loops.
12512 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12513 and tree_ssa_iv_optimize_finalize.
12515 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12517 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12519 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12522 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12523 computing the effective result type.
12525 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12527 PR inline-asm/16194
12528 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12529 (tree_overlaps_hard_reg_set): Declare.
12530 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12531 type and signature to match function type expected by walk_tree.
12532 (tree_overlaps_hard_reg_set): New function.
12533 (decl_conflicts_with_clobbers_p): Rename to:
12534 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12535 Use tree_overlaps_hard_reg_set. Changed caller.
12536 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12537 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12538 * cris.c (cris_md_asm_clobbers): Likewise.
12540 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12542 * reload1.c (emit_input_reload_insns): Delete code that tries to
12543 inherit using find_equiv_reg.
12545 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12547 * c-common.h (flag_const_strings): Don't declare.
12548 * c-common.c (flag_const_strings): Remove.
12549 * c.opt (fconst_strings): Remove.
12550 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12551 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12552 (c_common_init_options): Don't set flag_const_strings.
12553 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12555 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12557 * arm.md (tlobits_cbranch): New pattern.
12558 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12559 testing a single bit.
12561 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12564 * tree-ssa-pre.c (create_component_ref_by_pieces):
12565 Handle RETURN_DECL like VAR_DECL.
12567 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12569 PR middle-end/26134
12570 * fold-const.c (fold_indirect_ref_1): Fold
12571 "*(foo *)&complexfoo" to "__real__ complexfoo"
12572 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12574 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12576 * tree-flow-inline.h (var_can_have_subvars):
12577 Volatile variables should not have subvariables.
12579 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12582 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12583 multiplying unsigned values.
12586 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12588 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12590 2006-02-08 Jason Merrill <jason@redhat.com>
12593 * tree.def: Elaborate on difference from MODIFY_EXPR.
12594 * doc/c-tree.texi (INIT_EXPR): Likewise.
12595 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12596 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12597 (gimplify_target_expr): Likewise.
12598 (gimplify_cond_expr): Remove target handling.
12599 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12600 (gimplify_expr): Clobber it here.
12601 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12602 Do return slot optimization if we have an INIT_EXPR.
12605 * tree-inline.c (declare_return_variable): Also clear
12606 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12609 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12611 PR middle-end/22439
12612 * gimplify.c (gimplify_one_sizepos): Fix typo.
12614 2006-02-08 Jeff Law <law@redhat.com>
12616 PR tree-optimization/21417
12617 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12618 across a backedge if the control statement at the end of the
12619 block is data dependent on other statements in the same block.
12620 (record_temporary_equivalences_from_stmts): Remove over-conservative
12621 test for threading across backedges.
12623 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12624 control statement, handle all three special cases in the same
12625 manner as they all have the same desired solution. No longer
12626 special case edge flag updating when the post dominator is
12629 2006-02-08 Roger Sayle <roger@eyesopen.com>
12631 * tree.def (CHAR_TYPE): Remove.
12632 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12633 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12634 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12635 (gen_string_type_die): Delete unreachable function.
12637 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12638 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12639 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12640 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12641 * builtins.c (type_to_class): Likewise.
12642 * fold-const.c (fold_convert, build_range_check,
12643 merge_ranges): Likewise.
12644 * expr.c (count_type_elements): Likewise.
12645 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12646 * stor-layout.c (layout_type): Likewise.
12647 * ipa-type-escape.c (type_to_consider): Likewise.
12648 * gimplify.c (omp_firstprivatize_type_sizes,
12649 gimplify_type_sizes): Likewise.
12650 * explow.c (promote_mode): Likewise.
12651 * tree-sra.c (is_sra_scalar_type): Likewise.
12652 * varasm.c (output_constant): Likewise.
12653 * tree-inline.c (remap_type_1): Likewise.
12654 * convert.c (convert_to_pointer, convert_to_real,
12655 convert_to_integer, convert_to_complex): Likewise.
12657 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12659 * df-scan.c (df_def_record_1): A set destination may
12660 be a parallel regardless of mode.
12662 2006-02-08 Roger Sayle <roger@eyesopen.com>
12665 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12666 * config/mips/_tilib.c: Remove.
12667 * config/fixtfdi.c: New libgcc source file.
12668 * config/fixunstfdi.c: New source file.
12669 * config/floatditf.c: New source file.
12670 * config/floatunditf.c: New souce file.
12671 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12672 files above instead of config/mips/_tilib.c.
12673 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12675 2006-02-08 Jeff Law <law@redhat.com>
12677 PR tree-optimization/26169
12678 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12681 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12683 * df.h (DF_REG_SIZE): Return the length of the initialized
12686 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12688 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12689 __muldf3): Return a correctly signed zero.
12691 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12693 * passes.c (register_one_dump_file): Accept the current properties
12694 instead of pass number. Adjust call to dump_register. Remove
12696 (register_dump_files): Now a wrapper around...
12697 (register_dump_files_1): ... this one. Do not modify the pass
12699 (next_pass_1): Cosmetic fix.
12700 (execute_todo): Keep second parameter only. Use curr_properties
12701 instead of fetching it from the pass structure. Check and set
12703 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12704 instead of fetching it from the pass structure. Fix calls to
12705 execute_todo. Update curr_properties and initialize .vcg RTL dump
12706 after running the pass. Reset last_verified.
12707 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12709 (FIRST_AUTO_NUMBERED_DUMP): New.
12710 (dump_register): Remove "num" parameter, assign it within the
12712 (get_dump_file_name): Modify template for dumps.
12713 * tree-dump.h (dump_register): Adjust prototype.
12714 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12715 (PROP_trees): Add PROP_gimple_lomp.
12716 (TODO_set_props): New.
12717 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12718 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12719 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12721 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12723 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12724 (sparc64-*-linux*): Likewise.
12725 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12726 * config/sparc/t-linux: New file.
12727 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12728 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12729 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12730 -m32 -mlong-double-128.
12732 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12733 * config/alpha/t-linux: New file.
12734 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12736 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12737 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12738 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12739 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12740 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12741 (CPP_ARCH32_SPEC): Remove.
12743 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12745 PR tree-optimization/26145
12746 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12749 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12752 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12753 >= 240000 when generating code for SOM runtime.
12754 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12755 to $$dyncall when generating code for SOM runtime..
12757 2006-02-07 Dirk Mueller <dmueller@suse.com>
12760 * doc/invoke.texi (-Wsequence-point): Update documentation
12761 that -Wsequence-point is implemented for C++ as well.
12763 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12765 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12766 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12767 (LIB_SPEC): Likewise.
12768 * doc/invoke.texi (SPARC options): Document -pthread.
12770 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12772 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12775 2006-02-07 Roger Sayle <roger@eyesopen.com>
12777 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12778 Correct comment describing BOOLEAN_TYPE.
12780 2006-02-07 Dirk Mueller <dmueller@suse.com>
12782 * c.opt: C++ frontend supports -Wdiv-by-zero.
12783 * c-opts.c (c_common_handle_option): Remove dead case.
12785 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12787 * configure.ac (TLS assembler check): Do not enable TLS by
12788 default on SPARC/Solaris before version 10.
12789 * configure: Regenerate.
12791 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12793 * doc/invoke.texi (xl-compat): Document conversion and support
12796 2006-02-07 Jeff Law <law@redhat.com>
12798 * tree-vrp.c (find_conditional_asserts): Update comments.
12799 (simplify_stmt_for_jump_threading): New.
12800 (identify_jump_threads, finalize_jump_threads): New.
12801 (vrp_finalize): Call identify_jump_threads.
12802 (execute_vrp): Call finalize_jump_threads.
12803 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12804 (vrp_element, vrp_data, vrp_element_p): Remove.
12805 (vrp_hash_elt, vrp_variables_stack): Remove.
12806 (vrp_hash, vrp_eq, record_range): Remove.
12807 (simplify_cond_and_lookup_avail_expr): Remove.
12808 (extract_range_from_cond): Remove.
12809 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12810 (simplify_stmt_for_jump_threading): New.
12811 (dom_thread_across_edge): New wrapper.
12812 (tree_ssa_dominator_optimize): No longer initialize or
12813 finalize any of the VRP datastructures. Remove iteration
12814 step and simplify as a result of removal of iteration step.
12815 (pass_dominator): Perform a cfg cleanup after DOM.
12816 (dom_opt_finalize_block): Use the new common routines
12817 for threading jumps. Simplify stack management slightly.
12818 No longer need to unwind VRP state.
12819 (record_equivalences_from_incoming_edge): No longer record
12821 (eliminate_redundant_computations): No longer call
12822 simplify_cond_and_lookup_avail_expr.
12823 * tree-flow.h (potentially_threadable_block): Prototype.
12824 (thread_across_edge): Likewise.
12825 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12826 (tree-ssa-threadedge.o): Add dependencies.
12827 * tree-ssa-threadedge.c: New file.
12828 * passes.c (init_optimization_passes): Merge PHIs before
12829 calling VRP. Run VRP again late in the SSA optimization pipeline.
12831 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12833 * df-core.c (df_set_blocks): Do not dereference function pointers.
12834 (df_finish1): Likewise.
12835 (df_hybrid_search_forward): Likewise.
12836 (df_hybrid_search_backward): Likewise.
12837 (df_iterative_dataflow): Likewise.
12838 (df_analyze_problem): Likewise.
12839 (df_compact_blocks): Likewise.
12840 (df_dump): Likewise.
12841 * df-scan.c (df_rescan_blocks): Likewise.
12842 (df_record_entry_block_defs): Likewise.
12844 * genconditions.c (write_conditions): Guard the definition of
12845 'insn_conditions' with the check on GCC version.
12846 (write_writer): Guard the traversal 'insn_conditions' with
12847 the check on GCC version.
12849 2006-02-07 Richard Guenther <rguenther@suse.de>
12853 2006-01-30 Richard Guenther <rguenther@suse.de>
12855 * gimplify.c (gimplify_target_expr): Handle easy cases
12856 without creating a temporary.
12858 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12860 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12861 use of float in probability computations. Use edge probabilities
12862 in place of statically computed probabilities.
12863 (min_spec_prob): New static variable.
12864 (schedule_insns): Initialize it.
12865 (GET_SRC_PROB): Removed.
12866 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12868 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12871 * config/ia64/unwind-ia64.c: Revert last change.
12872 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12873 (INCOMING_FRAME_SP_OFFSET): Define.
12875 2006-02-06 Roger Sayle <roger@eyesopen.com>
12877 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12879 2006-02-07 Ben Elliston <bje@au.ibm.com>
12881 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12882 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12883 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12884 (ix86_return_in_memory): Handle TDmode.
12885 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12886 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12888 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12890 * reorg.c (dbr_schedule): Use dump_file instead of file.
12892 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12895 * config/ia64/predicates.md (extr_len_operand): New predicate.
12896 * config/ia64/ia64.md (extv): Tighten constraints.
12898 (*tbit_and_2): Ditto.
12899 (*tbit_and_3): Ditto.
12900 (*tbit_or_2): Ditto.
12901 (*tbit_or_3): Ditto.
12902 (*bit_zero): Ditto.
12905 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12908 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12910 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12912 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12913 loop_optimizer_init and loop_optimizer_finalize
12914 * tree-ssa-sink.c (execute_sink_code): Ditto.
12915 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12916 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12917 tree_ssa_loop_done): Ditto.
12918 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12919 * sched-ebb.c: Include output.h.
12920 (schedule_ebbs): Do not use dump argument.
12921 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12922 * loop.c (loop_dump_stream): Removed.
12923 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12925 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12926 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12927 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12928 loop_iterations, strength_reduce, record_biv, record_giv,
12929 final_giv_value, check_final_value, check_ext_dependent_givs,
12930 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12931 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12932 dump_file instead of loop_dump_stream.
12933 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12934 argument dump_file.
12935 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12937 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12938 * haifa-sched.c: Include output.h
12939 (schedule_insns, sched_init): Do not use dump argument.
12940 * mode-switching.c (optimize_mode_switching): Ditto.
12941 * modulo-sched.c (stats_file): Removed.
12942 (print_node_sched_params): Do not call argument dump_file.
12943 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12944 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12946 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12948 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12949 rtl_loop_init, rtl_loop_done): Ditto.
12950 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12951 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12953 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12954 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12955 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12956 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12957 * emit-rtl.c (renumber_insns): Ditto.
12958 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12959 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12960 * regclass.c (regclass): Ditto.
12961 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12962 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12963 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12964 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12966 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12967 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12969 * gcse.c (gcse_file, debug_stderr): Removed.
12970 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12971 rest_of_handle_gcse): Do not use dump argument.
12972 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12973 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12974 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12975 compute_code_hoist_vbeinout, compute_code_hoist_data,
12976 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12977 compute_store_table, build_store_vectors, insert_insn_start_bb,
12978 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12979 store_motion): Use dump_file instead of gcse_file.
12980 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12981 * profile.c (profile_dump_file): Removed.
12982 (branch_prob): Use dump_file instead of profile_dump_file.
12983 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12985 * tree-ssa-copy.c (dump_copy_of): Ditto.
12986 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12987 dump file to life_analysis.
12988 * bt-load.c (branch_target_load_optimize): Ditto.
12989 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12991 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12992 regclass, dbr_schedule): Declaration changed.
12993 * sched-int.h (sched_init): Declaration changed.
12994 * tree-profile.c (tree_profile_dump_file): Removed.
12995 (tree_profile_hooks): Removed profile_dump_file hook.
12996 * rtl-profile (rtl_profile_dump_file): Removed.
12997 (rtl_profile_hooks): emoved profile_dump_file hook.
12998 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13000 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13001 * tree-cfg.c (build_tree_cfg): Ditto.
13002 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13003 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13004 Declaration changed.
13005 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13006 life_analysis and schedule_insns.
13007 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13009 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13011 * config/mips/mips.c (mips_reorg): Ditto.
13012 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13015 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13017 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13018 (s390_mangle_fundamental_type): New.
13019 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13022 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13023 (alpha_mangle_fundamental_type): New.
13024 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13027 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13029 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13031 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13032 (sparc_mangle_fundamental_type): New.
13034 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13036 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13037 (s390x-*-linux*): Likewise.
13038 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13039 * config/s390/t-linux: New file.
13041 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13043 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13044 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13046 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13048 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13049 (ANTIC_SAFE_LOADS): New macro.
13050 (find_or_generate_expression): Add prototype.
13051 (set_contains_value): Allow null set for sake of not always having
13052 to allocate ANTIC_SAFE_LOADS.
13053 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13054 Allow COMPONENT_REF too.
13055 (valid_in_set): Allow COMPONENT_REF.
13056 Check ANTIC_SAFE_LOADS too.
13057 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13058 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13060 (can_PRE_operation): Add COMPONENT_REF.
13061 (create_component_ref_by_pieces): New function.
13062 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13063 (insert_aux): Move AGGREGATE_TYPE_P check here.
13064 (compute_avail): Set bb local stmt uids.
13065 (pass_pre): Use TODO_update_ssa_only_virtuals.
13067 2006-02-06 Ben Elliston <bje@au.ibm.com>
13069 * configure.ac: Unconditionally disable decimal float by default.
13070 * configure: Regenerate.
13072 2006-02-06 Ben Elliston <bje@au.ibm.com>
13074 * read-rtl.c (read_name): Terminate reading on EOF.
13076 2006-02-06 Ben Elliston <bje@au.ibm.com>
13078 * dfp.c (decimal_real_arithmetic): Change second argument type
13079 from int to enum tree_code. Do not always return true, but now
13080 return result of any call to decimal_do helper functions.
13081 * dfp.h (decimal_real_arithmetic): Update prototype.
13083 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13085 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13087 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13090 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13093 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13095 * tree-vrp.c (cfg_loops): Removed.
13096 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13097 Use current_loops instead of cfg_loops. Pass flags to
13098 loop_optimizer_init.
13099 * cfgloopmanip.c (fix_loop_structure): Update only available
13101 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13102 loop_optimizer_init.
13103 * modulo-sched.c (build_loops_structure): Removed.
13104 (sms_schedule): Use loop_optimizer_init.
13105 * loop-init.c (loop_optimizer_init): Use flags to determine
13106 which properties of loops to prepare.
13107 (rtl_loop_init): Pass flags to loop_optimizer_init.
13108 * tree-ssa-sink.c (execute_sink_code): Ditto.
13109 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13110 * tree-ssa-pre.c (init_pre): Ditto.
13111 * cfgloop.h (LOOPS_NORMAL): New.
13112 (loop_optimizer_init): Declaration changed.
13114 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13116 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13117 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13119 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13121 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13123 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13124 * pa/t-pa64: Delete quadlib.c rule.
13125 * pa/x-ada: Revert last change.
13126 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13128 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13130 PR rtl-optimization/26087
13131 * rtlanal.c (canonicalize_condition): Do not cross basic block
13134 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13137 * config/ia64/ia64.c: Include debug.h.
13138 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13139 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13140 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13141 (process_epilogue, process_set, process_for_unwind_directive):
13142 Output unwind info only if requested. Add CFA info if requested.
13143 Add new arguments as needed. Adjust callers.
13144 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13146 (DWARF2_FRAME_INFO): Define to zero.
13147 * config/ia64/unwind-ia64.c: Remove code that compensated for
13148 the CFA offset error fixed above.
13149 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13150 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13151 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13152 -funwind-tables and -fexceptions to enable frame info.
13153 (dwarf2out_frame_init): Define initial CFA even if
13154 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13155 DWARF2_UNWIND_INFO is nonzero, not just defined.
13156 (dwarf2out_frame_finish): Output non-EH call frame info only
13157 if DWARF2_FRAME_INFO is nonzero.
13158 (convert_cfa_to_loc_list,
13159 compute_frame_pointer_to_cfa_displacement): Define even if
13160 unwind info is not supported.
13161 (gen_subprogram_die): Use the above unconditionally. Remove
13162 legacy alternate code.
13163 * toplev.c (compile_file): Compile in call to
13164 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13165 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13167 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13168 Jakub Jelinek <jakub@redhat.com>
13170 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13171 IBM extended float format long double as "g" on powerpc*-linux.
13173 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13176 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13177 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13179 2006-02-03 Jason Merrill <jason@redhat.com>
13182 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13184 PR middle-end/25977
13185 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13186 on the return slot if it's an NRV.
13188 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13190 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13191 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13192 rewrite_use): Do not handle USE_OUTER.
13193 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13194 add_iv_outer_candidates, may_replace_final_value,
13195 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13196 (find_interesting_uses_op): Functionality of
13197 find_interesting_uses_outer_or_nonlin moved here.
13198 (find_interesting_uses_outside): Use find_interesting_uses_op.
13200 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13203 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13205 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13206 Ulrich Weigand <uweigand@de.ibm.com>
13209 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13210 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13211 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13212 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13214 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13215 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13216 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13217 Define secondary reloads for TFmode moves.
13218 (constant_modes): Add TFmode.
13219 (NR_C_MODES): Set to 8.
13220 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13222 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13223 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13224 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13225 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13226 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13227 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13228 (FPR mode macro): Add TFmode.
13229 (DSF mode macro): New.
13230 (<de>, <dee> mode attributes): Removed.
13231 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13232 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13233 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13234 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13235 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13236 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13237 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13238 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13239 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13240 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13241 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13242 "*negabs<mode>2", "sqrt<mode>2"):
13243 Changed <de> to <xde>. R constraint replaced by <Rf>.
13244 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13246 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13247 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13248 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13250 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13251 "extenddftf2", "extendsftf2"): New expanders.
13252 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13253 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13254 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13255 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13257 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13258 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13259 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13260 __floatditf): Add a GCC_4.1.0 symbol version tag.
13261 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13264 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13267 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13268 Use targetm.binds_local_p instead of TREE_PUBLIC.
13270 2006-02-02 Roger Sayle <roger@eyesopen.com>
13272 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13273 on INTEGER_TYPEs to indicate that it denotes a character type.
13274 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13275 signed_char_type_node, unsigned_char_type_node and char_type_node.
13276 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13277 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13278 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13280 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13281 Daniel Berlin <dberlin@dberlin.org>
13283 * tree-tailcall.c (arg_needs_copy_p): New function.
13284 (eliminate_tail_call): Use arg_needs_copy_p.
13285 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13286 (add_virtual_phis): New function.
13288 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13290 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13291 #ignore instead of #scratch for %g7 .register directive.
13293 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13295 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13298 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13300 * flow.c (calculate_global_regs_live): Assert that there aren't any
13303 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13305 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13306 what its name says.
13307 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13308 bsi_after_labels iterator.
13309 * tree-if-conv.c (find_phi_replacement_condition,
13310 replace_phi_with_cond_modify_expr): Likewise.
13311 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13312 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13314 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13316 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13318 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13321 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13322 array after growing it.
13324 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13326 PR middle-end/24901
13327 * fold-const.c (fold_checksum_tree): Change type of buf.
13329 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13331 * reload.c (push_secondary_reload): Initialize t_icode.
13333 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13335 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13336 -msoft-float -mlong-double-128 only issue a warning, but don't
13337 swich to DFmode long double.
13339 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13341 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13342 has a constant equivalent, iterate over equivalents for arg0,
13343 calling simplify_relational_operation and if there's a result
13344 cheaper than X, apply fold_rtx and return the result.
13346 2006-02-01 Jan Hubicka <jh@suse.cz>
13348 * opts.c (no_unit_at_a_time_default): New global variable.
13349 (decode_options): Use it.
13350 * opts.h (no_unit_at_a_time_default): Declare.
13352 2006-02-01 Paul Brook <paul@codesourcery.com>
13354 * function.c (assign_parm_setup_reg): Use function argument promotion
13356 * expr.c (expand_expr_real_1): Use function argument promotion rules
13359 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13361 * gcc.c (process_command): Change j to 'unsigned int'.
13363 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13365 PR middle-end/26001
13366 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13367 Use the corrected index for the character
13368 out of the string constant.
13370 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13372 * mode-switching.c (optimize_mode_switching): Fix size
13373 allocated for bb_info[n_entities].
13375 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13377 * gcc.c (main): Correct type that is allocated for
13378 explicit_link_files.
13380 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13382 * config/s390/s390.c (init_alignment_context): Set
13383 ALIAS_SET_MEMORY_BARRIER on the MEM.
13384 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13386 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13388 PR middle-end/25933
13389 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13391 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13394 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13396 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13397 * regrename.c: Ditto.
13398 * tree-ssa-loop-im.c: Ditto.
13399 * tree-dump.c: Ditto.
13400 * tree-complex.c: Ditto.
13401 * genrecog.c: Ditto.
13402 * tree-ssa-threadupdate.c: Ditto.
13404 * java/class.c: Ditto.
13405 * java/jcf-parse.c: Ditto.
13406 * java/resource.c: Ditto.
13407 * java/except.c: Ditto.
13408 * java/jvspec.c: Ditto.
13409 * java/jcf-write.c: Ditto.
13410 * java/jcf-path.c: Ditto.
13411 * java/gjavah.c: Ditto.
13412 * java/zextract.c: Ditto.
13413 * java/jcf-io.c: Ditto.
13414 * java/jcf.h: Ditto.
13415 * java/buffer.c: Ditto.
13416 * java/lang.c: Ditto.
13417 * java/parse-scan.y: Ditto.
13418 * java/lex.c: Ditto.
13419 * java/lex.h: Ditto.
13420 * cfgloopmanip.c: Ditto.
13421 * postreload-gcse.c: Ditto.
13422 * tree-ssa-loop-manip.c: Ditto.
13423 * postreload.c: Ditto.
13424 * tree-ssa-loop-ch.c: Ditto.
13427 * cppspec.c: Ditto.
13428 * diagnostic.c: Ditto.
13430 * genoutput.c: Ditto.
13432 * cfghooks.c: Ditto.
13433 * cfgloopanal.c: Ditto.
13434 * objc/objc-act.c: Ditto.
13436 * genextract.c: Ditto.
13437 * genautomata.c: Ditto.
13438 * pretty-print.c: Ditto.
13439 * genemit.c: Ditto.
13440 * cgraphunit.c: Ditto.
13442 * df-scan.c: Ditto.
13443 * haifa-sched.c: Ditto.
13444 * dominance.c: Ditto.
13446 * tree-ssa-loop-ivopts.c: Ditto.
13447 * df-core.c: Ditto.
13448 * mode-switching.c: Ditto.
13449 * modulo-sched.c: Ditto.
13451 * ipa-pure-const.c: Ditto.
13453 * fix-header.c: Ditto.
13455 * tree-stdarg.c: Ditto.
13456 * ipa-utils.c: Ditto.
13457 * loop-init.c: Ditto.
13458 * ipa-inline.c: Ditto.
13459 * cfganal.c: Ditto.
13461 * alloc-pool.c: Ditto.
13462 * dwarf2out.c: Ditto.
13464 * genattrtab.c: Ditto.
13465 * tree-ssa-loop-ivcanon.c: Ditto.
13466 * predict.c: Ditto.
13467 * timevar.c: Ditto.
13469 * fortran/gfortranspec.c: Ditto.
13470 * regmove.c: Ditto.
13471 * local-alloc.c: Ditto.
13472 * langhooks.c: Ditto.
13473 * function.c: Ditto.
13474 * tree-vectorizer.c: Ditto.
13476 * ipa-type-escape.c: Ditto.
13478 * tree-if-conv.c: Ditto.
13479 * profile.c: Ditto.
13481 * tree-data-ref.c: Ditto.
13482 * loop-unroll.c: Ditto.
13483 * treelang/treetree.c: Ditto.
13485 * bt-load.c: Ditto.
13486 * ggc-common.c: Ditto.
13488 * coverage.c: Ditto.
13490 * tree-cfgcleanup.c: Ditto.
13491 * tree-ssa-pre.c: Ditto.
13492 * cfgcleanup.c: Ditto.
13493 * loop-invariant.c: Ditto.
13494 * loop-iv.c: Ditto.
13495 * ipa-prop.c: Ditto.
13496 * print-tree.c: Ditto.
13497 * conflict.c: Ditto.
13498 * ggc-page.c: Ditto.
13499 * sched-deps.c: Ditto.
13500 * regclass.c: Ditto.
13501 * tree-object-size.c: Ditto.
13502 * combine.c: Ditto.
13503 * bb-reorder.c: Ditto.
13504 * resource.c: Ditto.
13505 * var-tracking.c: Ditto.
13506 * cfgloop.c: Ditto.
13507 * df-problems.c: Ditto.
13508 * reg-stack.c: Ditto.
13510 * gccspec.c: Ditto.
13511 * sched-rgn.c: Ditto.
13512 * tree-ssa-structalias.c: Ditto.
13513 * tree-ssa-reassoc.c: Ditto.
13514 * config/darwin-c.c: Ditto.
13515 * config/darwin.c: Ditto.
13516 * config/arm/arm.c: Ditto.
13518 * collect2.c: Ditto.
13519 * reload1.c: Ditto.
13521 2006-01-31 Nicolas Pitre <nico@cam.org>
13523 * arm.md (smaxsi3): Make aware of smax_m1.
13526 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13528 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13530 2006-01-31 Richard Guenther <rguenther@suse.de>
13532 * doc/invoke.texi (-msselibm): Document.
13533 * target.h (expand_library_builtin): New target hook.
13534 * builtins.c (expand_builtin): Use expand_library_builtin.
13535 (default_expand_library_builtin): New function.
13536 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13537 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13538 (link_gcc_math_spec): Declare.
13539 (static_specs): Add link_gcc_math_spec.
13540 * expr.h (default_expand_library_builtin): Declare.
13541 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13542 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13543 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13544 * config/i386/i386.opt (msselibm): New target option.
13545 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13546 (ix86_init_sse_abi_builtins): New function.
13547 (ix86_expand_library_builtin): Likewise.
13548 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13549 (override_options): Handle error conditions wrt -msselibm.
13550 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13551 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13552 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13555 2006-01-31 Richard Guenther <rguenther@suse.de>
13556 Paolo Bonzini <bonzini@gnu.org>
13558 * doc/install.texi (--disable-libgcc-math): Document.
13560 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13562 * expr.h (expand_normal): new inline function.
13563 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13564 * dojump.c: use it.
13565 * dwarf2out.c: use it.
13568 * expmed.c: use it.
13569 * except.c: use it.
13570 * config/sparc/sparc.c: use it.
13571 * config/i386/i386.c: use it.
13572 * config/rs6000/rs6000.c: use it.
13573 * config/arm/arm.c: use it.
13574 * config/mips/mips.c: use it.
13575 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13577 2006-01-30 Roger Sayle <roger@eyesopen.com>
13579 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13580 argv to the appropriate type.
13582 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13584 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13587 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13590 * config/s390/s390.c (struct machine_function): New flag
13591 decomposed_literal_pool_addresses_ok_p.
13592 (s390_reorg): Set it before final stage of literal pool transforms.
13593 (s390_decompose_address): Only accept displacements of the form
13594 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13596 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13598 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13599 the comparison routine return.
13601 2006-01-30 Michael Matz <matz@suse.de>
13603 * global.c (find_reg): Only evict for global regs.
13604 Take n_refs into account and dump more info.
13606 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13609 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13610 (pragma_trap, pragma_nosave_low_regs): Likewise.
13611 (current_function_anonymous_args): Likewise.
13612 (sh_deferred_function_attributes): New variable.
13613 (sh_deferred_function_attributes_tail): Likewise.
13614 (print_operand): For '@', look up trap_exit attribute.
13615 (calc_live_regs): Look up trapa_handler attribute. For trapa
13616 handlers, save/restore fpscr, but don't do any other
13617 interrupt-specific saves.
13618 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13619 Fix check for partially saved registers to check for SHmedia.
13620 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13621 (sh_output_function_epilogue): Don't clear any of the removed
13623 (sh_insert_attributes): Don't check pragma_interrupt.
13624 Insert deferred attributes. Check that interrupt attribute is
13625 present for other attributes that require its presence.
13626 (sh_attribute_table): Add new attributes trapa_handler and
13628 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13629 Don't check for pragma_interrupt. Don't store argument.
13630 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13631 (sh_deferred_function_attributes): Declare.
13632 (sh_deferred_function_attributes_tail): Likewise.
13633 * sh.md (sp_switch_1): Add operand. Change generator caller.
13634 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13635 (*return_i): Don't use when trap_exit attribute is in effect.
13636 (*return_trapa): New insn pattern.
13637 * sh-c.c: New file.
13638 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13639 setting c_target_objs and cxx_target_objs.
13640 * t-sh: Add rule for sh-c.o.
13642 2006-01-30 Richard Guenther <rguenther@suse.de>
13645 * gimplify.c (gimplify_target_expr): Handle easy cases
13646 without creating a temporary.
13648 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13650 * vec.h (safe_grow): Remove duplicated line.
13652 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13655 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13656 (expand_omp): ... here.
13657 (expand_omp_parallel): Only remove barriers for combined
13658 parallel+workshare constructs.
13660 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13664 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13665 * tree.c (build_qualified_type): Chain the new type to the original
13666 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13667 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13668 (build_pointer_type_for_mode): Only return unqualified types.
13669 (build_reference_type_for_mode): Likewise.
13671 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13673 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13674 * Makefile.in (CXX_COMPAT_WARN): Define.
13675 * configure: Regenerate.
13677 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13680 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13683 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13685 * toplev.c: Fix thinko.
13687 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13688 Marcin Dalecki <martin@dalecki.de>
13690 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13691 (push_srcloc): Use XNEW.
13692 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13694 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13696 * df-core.c (df_set_blocks): Deleted all variable.
13698 2006-01-28 Ian Lance Taylor <ian@airs.com>
13700 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13701 cgraph_output_pending_asms.
13703 2006-01-28 Zack Weinberg <zackw@panix.com>
13705 * c.opt: Add -W(no-)overlength-strings.
13706 * doc/invoke.texi: Document it.
13707 * c-opts.c (c_common_handle_option): -pedantic implies
13708 -Woverlength-strings, if not explicitly disabled already.
13709 (c_common_post_options): -Woverlength-strings defaults to off, and
13710 is always off for C++.
13711 * c-common.c (fix_string_type): Issue warning about strings longer
13712 than is portable only if warn_overlength_strings. Rearrange code
13713 a little for clarity.
13714 * configure.in: Check for -Wno-overlength-strings as well before
13715 enabling -pedantic in stage 1.
13716 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13717 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13719 * genconditions.c (write_header, write_one_condition)
13720 (write_conditions, write_writer): Consolidate very long strings
13721 that were broken up to fit in C89 portable limit. Don't use
13722 printf when fputs will do.
13724 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13726 * combine.c (simplify_comparison <AND>): Check
13727 TRULY_NOOP_TRUNCATION before start using a subreg.
13729 * config/mips/mips.md (*branch_zero<mode>,
13730 *branch_zero<mode>_inverted, *branch_equality<mode>,
13731 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13732 Remove mode check from comparisons.
13734 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13736 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13738 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13740 * expmed.c (const_mult_add_overflow_p): Remove.
13741 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13743 * recog.c (validate_replace_rtx_subexp): Remove.
13744 * recog.h: Remove the prototype for
13745 validate_replace_rtx_subexp.
13747 * integrate.h: Remove the prototype for
13748 copy_decl_for_inlining.
13749 * rtl.h: Remove the prototype for mark_constant_function.
13750 * tree-vectorizer.h: Remove the prototype for
13751 vect_strip_conversion.
13753 * modulo-sched.c (create_partial_schedule,
13754 free_partial_schedule, reset_partial_schedule): Make them
13757 * hooks.c (hook_bool_rtx_int_false): Remove.
13758 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13760 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13762 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13763 and -mlong-double-128 are incompatible.
13764 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13765 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13766 (TARGET_LIBGCC2_CFLAGS): Define.
13767 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13768 (TARGET_LIBGCC2_CFLAGS): Same.
13769 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13771 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13774 * c-typeck.c (build_binary_op): Perform implicit casts of
13775 operands before shortening them.
13777 * cfgloopmanip.c (split_loop_bb): Remove.
13778 * cfgloop.h: Remove the prototype for split_loop_bb.
13780 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13781 * cfgloop.h: Remove the prototype for
13782 flow_loop_outside_edge_p.
13784 * emit-rtl.c (init_virtual_regs): Make it static.
13785 * function.h: Remove the prototype for init_virtual_regs.
13787 * recog.c (peephole2_optimize): Make it static.
13788 * recog.h: Remove the prototype for peephole2_optimize.
13790 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13792 * df-scan.c (df_record_entry_block_defs): Check if
13793 INCOMING_RETURN_ADDR_RTX is defined.
13795 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13796 Kenneth Zadeck <zadeck@naturalbridge.com>
13798 PR rtl-optimization/24762
13799 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13800 * targhooks.c (hook_void_bitmap): New hook prototype.
13801 * targhoohs.h (hook_void_bitmap): Ditto.
13802 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13803 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13804 * target.h (live_on_entry): New function pointer.
13805 * df-scan.c (df_all_hard_regs): Removed.
13806 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13807 (df_scan_free_internal): Added df->entry_block_defs.
13808 (df_scan_alloc): Ditto.
13809 (df_scan_dump): Ditto.
13810 (df_uses_record): Plumbed flag field properly thru calls.
13811 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13812 This part fixes PR24762.
13813 (df_bb_refs_record): Added code to make the frame and arg
13814 pointers live in EH blocks.
13815 (df_refs_record): Added call to df_record_entry_block_defs.
13816 (df_record_entry_block_defs): New function.
13817 * df-core.c: Added comments to describe new artifical defs.
13818 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13819 (entry_block_defs): New field in struct df.
13820 (df_all_hard_regs): Deleted.
13821 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13822 * df-problems.c (df_ru_bb_local_compute_process_def):
13823 Added code to handle artifical defs in the entry to a function.
13824 (df_ru_bb_local_compute): Ditto.
13825 (df_rd_bb_local_compute_process_def): Ditto.
13826 (df_rd_bb_local_compute): Ditto.
13827 (df_lr_bb_local_compute): Ditto.
13828 (df_ur_bb_local_compute): Ditto.
13829 (df_urec_bb_local_compute): Ditto.
13830 (df_chain_create_bb): Ditto.
13831 (df_ur_local_finalize): Removed entry.
13832 (df_urec_init): Ditto.
13833 (df_urec_local_finalize): Ditto.
13834 (df_ri_bb_compute): Added detection of last use of pseudos.
13835 * Makefile.in (df-scan.o): Updated dependencies.
13836 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13837 * config/mips/mips.c (mips_set_live_on_entry): Added.
13838 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13840 * dce.c (marked_insn_p): Added code to handle artifical defs.
13842 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13844 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13846 (_mm_cvtsi128_si64): Likewise.
13847 (_mm_cvtsd_si64): Likewise.
13848 (_mm_cvttsd_si64): Likewise.
13849 (_mm_cvtsi64_sd): Likewise.
13850 (_mm_cvtsi64_si128): Likewise.
13851 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13852 (_mm_cvtsi64_m64): Likewise.
13853 (_m_to_int64): Likewise.
13854 (_mm_cvtm64_si64): Likewise.
13855 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13856 (_mm_cvttss_si64): Likewise.
13857 (_mm_cvtsi64_ss): Likewise.
13858 (_mm_cvtss_f32): Likewise.
13860 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13862 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13863 for pragma redefine_extname.
13865 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13868 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13869 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13870 -mno-minimal-toc to previous content.
13871 (bispecs): Remove goal.
13872 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13873 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13874 compatibility aliases on powerpc-*-*gnu*.
13875 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13876 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13877 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13878 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13879 (ldblspecs): New goal.
13880 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13881 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13883 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13884 L_sf_to_tf or L_df_to_tf is defined.
13886 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13887 Alan Modra <amodra@bigpond.net.au>
13890 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13891 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13892 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13893 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13894 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13895 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13896 (rs6000_override_options): Initialize rs6000_ieeequad.
13897 Initialize TFmode format to ibm_extended_format if not
13899 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13901 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13902 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13903 (function_arg_advance): IBM long double passed in two FPRs, not
13905 (function_arg): IBM long double passed in FPRs.
13906 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13907 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13908 Only multireg GPR aligned.
13909 (rs6000_init_libfuncs): Enable IBM long double functions if not
13911 (rs6000_generate_compare): Use IBM long double compare if not
13913 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13914 (TARGET_IEEEQUAD): Define.
13915 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13916 not TARGET_IEEEQUAD.
13917 * config/rs6000/rs6000.md: Enable TFmode patterns if
13919 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13920 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13921 and -mlong-double-128 are incompatible.
13922 * doc/invoke.texi (-mabi): Collect options together. Add
13923 ibmlongdouble and ieeelongdouble.
13925 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13927 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13929 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13930 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13931 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13932 * rtl.h (rtunion_def): Remove rt_ptr.
13934 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13935 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13936 * config/i386/winnt.c (i386_pe_mark_dllexport)
13937 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13939 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13941 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13943 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13947 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13948 pthread_key_delete. From John David Anglin. gthrw-ify
13949 pthread_getunique_np only if it it's not a macro. Delete
13951 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13952 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13953 __gthread_objc_condition_signal, __gthread_key_delete): Add
13954 "__attribute__ ((__unused__))" to unused arguments.
13955 (__gthread_recursive_mutex_init_function): Add missing return.
13956 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13957 gthr-posix95.h: Use macro-based approach for name redirection
13958 on targets missing weakref.
13960 2006-01-26 Zack Weinberg <zackw@panix.com>
13962 * genconditions.c (write_header): In generated code, #ifdef out
13963 all includes and fake declarations, except includes of bconfig.h
13964 and system.h, unless GCC_VERSION >= 3001. Do not include
13965 gensupport.h in any case.
13966 (write_conditions): Generate a definition of struct c_test. Add
13967 a comment to the generated #endif.
13968 (write_one_condition): Escape backslashes in string too.
13969 (write_writer): Generated code must escape backslashes and quote
13970 marks (but not newlines) in the strings it writes.
13971 * Makefile.in (build/gencondmd.o): Update dependencies.
13973 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13976 * Makefile.in (insn-automata.o): Add header file dependencies.
13977 * genautomata.c: Add includes.
13979 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13982 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13984 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13986 * configure.ac: Expect target tools paths to be passed from the toplevel
13987 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13989 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13991 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13994 * c.opt (Wpointer-sign): Init to -1.
13995 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13996 OPT_pedantic, to 0 otherwise.
13997 * doc/invoke.texi: Update.
13999 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14001 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14002 constants provided by 80387 instructions in the destination mode.
14004 2006-01-26 Richard Guenther <rguenther@suse.de>
14005 Andrew Pinski <pinskia@physics.uc.edu>
14008 partial PR tree-opt/17064
14009 * tree-ssa-structalias.c (intra_create_variable_infos):
14010 Create heap variables for incoming parameters if
14011 flag_argument_noalias > 1.
14012 (find_what_p_points_to): Look through default defs of
14015 2006-01-26 Jeff Law <law@redhat.com>
14018 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14019 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14020 within the VR_RANGE, use the VR_RANGE as the result, not the
14022 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14023 bounds for the type.
14025 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14027 * tree-ssa-alias.c (maybe_create_global_var): Change
14028 subvar walking to an assertion that we don't have subvar'd variables.
14030 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14033 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14034 Use a new variable, inner. PARM_DECLs are always non-weak.
14036 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14038 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14039 --disable-checking.
14041 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14043 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14045 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14047 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14048 (smax_insn, smin_insn, smax_0, smin_0): New.
14050 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14053 * config/cris/cris.c (cris_order_for_addsi3): New function.
14054 * config/cris/cris-protos.h: Prototype it.
14055 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14056 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14057 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14058 (split for "op.S1 [rx=rx+i],ry (swapped)")
14059 (split for "op(s|u).S1 [rx=rx+i],ry")
14060 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14061 Apply cris_order_for_addsi3 when generating addsi3 insns.
14063 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14065 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14066 (TREE_BLOCK): Add call to EXPR_CHECK.
14068 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14071 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14072 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14073 (dump_omp_clauses): ... here.
14074 (dump_generic_node): Handle OMP_CLAUSE.
14075 * tree.c (omp_clause_num_ops): New.
14076 (omp_clause_code_name): New.
14077 (tree_code_size): Handle OMP_CLAUSE.
14078 (tree_size): Likewise.
14079 (make_node): Document handling of OMP_CLAUSE.
14080 (tree_node_structure): Handle OMP_CLAUSE.
14081 (omp_clause_check_failed): New.
14082 (omp_clause_range_check_failed): New.
14083 (omp_clause_operand_check_failed): New.
14084 (build_omp_clause): New.
14085 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14086 * tree.h (enum omp_clause_code): Declare.
14087 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14088 (OMP_CLAUSE_RANGE_CHECK): Define.
14089 (OMP_CLAUSE_ELT_CHECK): Define.
14090 (omp_clause_check_failed): Declare.
14091 (omp_clause_operand_check_failed): Declare.
14092 (omp_clause_range_check_failed): Declare.
14093 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14094 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14095 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14096 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14097 (OMP_CLAUSE_IF_EXPR): Likewise.
14098 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14099 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14100 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14101 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14102 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14103 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14104 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14105 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14106 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14107 (OMP_CLAUSE_CODE): Define.
14108 (OMP_CLAUSE_SET_CODE): Define.
14109 (OMP_CLAUSE_CODE): Define.
14110 (OMP_CLAUSE_OPERAND): Define.
14111 (struct tree_omp_clause): Declare.
14112 (union tree_node): Add field 'omp_clause'.
14113 * treestruct.def (TS_OMP_CLAUSE): Define.
14114 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14115 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14116 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14117 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14118 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14119 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14120 (OMP_CLAUSE): Define.
14121 * print-tree.c (print_node): Handle OMP_CLAUSE.
14122 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14123 * c-typeck.c: Likewise.
14124 * gimplify.c: Likewise.
14125 * c-omp.c: Likewise.
14126 * tree-nested.c: Likewise.
14127 * tree-inline.c: Likewise.
14128 * c-parser.c: Likewise.
14129 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14132 2006-01-25 Roger Sayle <roger@eyesopen.com>
14134 PR rtl-optimization/25703
14135 * combine.c (try_combine): Handle zero_extract and strict_low_part
14136 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14138 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14140 * global.c: Fix comment typos.
14142 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14145 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14146 Use output_addr_const instead of assemble_name.
14148 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14150 * Makefile.in (sched-vis.o): Update dependencies.
14151 * haifa-sched.c (sched_finish): Clear current_sched_info.
14152 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14153 (dump_flow_info): Call it.
14154 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14156 * basic-block.h (dump_bb_info): Declare.
14157 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14158 option, and apply options only for dump files whose TDF_RTL,
14159 TDF_TREE, or TDF_IPA bits match.
14160 * rtl.h: Declare new functions exported from sched-vis.c.
14161 * sched-vis.c: Enable also if scheduling is not used.
14162 (print_value): Print the mode of registers if not inside scheduling.
14163 (print_insn): Make it work outside the scheduler. Beautify the output
14165 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14167 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14169 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14170 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14171 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14172 depending on the value of CONSTANT_POOL_ADDRESS_P.
14173 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14175 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14176 rather than SYMBOL_REF_DECL.
14177 (rtx_constant_pool): Remove const_rtx_sym_htab.
14178 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14179 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14180 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14181 Remove handling of const_rtx_sym_htab.
14182 (find_pool_constant): Delete.
14183 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14184 rather than find_pool_constant.
14185 (get_pool_constant_for_function): Delete.
14186 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14187 find_pool_constant.
14188 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14189 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14190 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14191 (SYMBOL_REF_CONSTANT): New macro.
14192 (get_pool_constant_for_function): Delete.
14193 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14194 rather than SYMBOL_REF_DECL.
14195 (i386_pe_mark_dllimport): Likewise.
14196 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14197 rather than SYMBOL_REF_DECL.
14198 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14199 (machopic_indirect_call_target): Likewise.
14201 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14203 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14205 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14207 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14209 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14211 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14213 2006-01-24 David Daney <ddaney@avtrex.com>
14216 * configure.ac (enable_tls): New enable option.
14217 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14218 * configure: Regenerate.
14219 * doc/install.texi (--enable-tls): Document new option.
14220 (--disable-tls): Ditto.
14222 2006-01-24 Richard Henderson <rth@redehat.com>
14224 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14225 * alias.c (true_dependence): Respect it.
14226 (canon_true_dependence, write_dependence_p): Likewise.
14227 * builtins.c (get_builtin_sync_mem): Set it.
14229 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14231 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14234 2006-01-24 DJ Delorie <dj@redhat.com>
14236 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14237 for storing constants in single-bit bitfields.
14239 2006-01-25 Ben Elliston <bje@au.ibm.com>
14241 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14243 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14246 * tree-ssa-pre.c (phi_translate): Return NULL
14247 for AGGREGATE_TYPE's.
14249 2006-01-24 Zack Weinberg <zackw@panix.com>
14251 * genautomata.c (process_state_for_insn_equiv_partition):
14252 Use xcalloc for insn_arcs_array.
14253 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14254 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14256 2006-01-24 Richard Henderson <rth@redhat.com>
14258 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14259 update all callers.
14261 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14263 PR rtl-optimization/25890
14264 PR rtl-optimization/25905
14265 * combine.c (expand_compound_operation, expand_field_assignment):
14266 Fail if the bitfield's final position is out of bounds.
14268 2006-01-24 Ian Lance Taylor <ian@airs.com>
14270 PR middle-end/25930
14271 * cgraphunit.c (cgraph_output_in_order): Don't clear
14272 cgraph_asm_nodes until after asm strings have been output.
14274 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14276 * fix-header.c (read_scan_file): Add new parameter imultilib when
14277 calling register_include_chains.
14279 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14281 * omp-low.c: Update documentation.
14283 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14284 Daniel Berlin <dberlin@dberlin.org>
14288 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14289 return from the function.
14291 2006-01-22 Zack Weinberg <zackw@panix.com>
14293 * rtl.def (match_code): Add second argument.
14294 * genpreds.c (write_extract_subexp): New function.
14295 (write_match_code): Add path argument. Use write_extract_subexp.
14296 (write_predicate_expr): Pass path to write_match_code.
14297 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14298 not perform a mode test.
14299 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14300 a subexpression does not constrain the top-level code set.
14301 * read-rtl.c (read_rtx_variadic): New function.
14302 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14303 * doc/md.texi: Document new notation.
14304 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14305 (cmpsi_operand): ... here, using new notation.
14307 2006-01-22 Zack Weinberg <zackw@panix.com>
14309 * varray.c: Remove GENERATOR_FILE #ifdefs.
14311 2006-01-22 Zack Weinberg <zackw@panix.com>
14313 * genautomata.c (output_reserved_units_table): Emit nothing if
14314 description->query_units_num is zero. Remove extra blank line.
14315 (output_cpu_unit_reservation_p): Short circuit
14316 if description->query_units_num is zero.
14318 2006-01-22 Zack Weinberg <zackw@panix.com>
14320 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14321 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14322 nor any of the random handful of variables that used to be necessary
14323 when this program was linked with rtlanal.o. Prune set of forward
14324 function declarations.
14325 (struct attr_desc): Remove static_p field.
14326 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14327 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14328 (attr_string): Do not read the character one past the length of
14330 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14331 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14332 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14333 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14334 (make_automaton_attrs): New.
14335 (main): Do not call into genautomata. Call local gen_bypass
14336 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14337 Remove special case for insn_alts.
14338 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14339 varray.h (leftover from previous change). Prune set of forward
14340 function declarations. Remove state_alts fields from all
14341 structures. Remove state_alts_table from struct automaton.
14342 Make everything except main static. Do not maintain num_dfa_decls.
14343 Do not maintain state_alts fields of various structures.
14344 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14345 (add_arc): Remove state_alts argument. All callers updated.
14346 (output_reserved_units_table): Emit #ifdef here...
14347 (output_tables): ...not here. Don't generate state_alts tables.
14348 (expand_automata): Don't generate attributes.
14349 (write_automata): Don't generate state_alts functions.
14350 (main): New function.
14351 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14352 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14353 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14354 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14355 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14356 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14357 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14358 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14360 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14361 * genattrtab.h: Delete file.
14362 * Makefile.in (OBJS-common): Add insn-automata.o.
14363 (insn-automata.o): New rule.
14364 (simple_generated_c): Add insn-automata.c.
14365 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14366 (genprogmd): Add automata.
14367 (build/genattrtab): Needs no extra objects nor libraries.
14368 (build/genautomata): Needs build/vec.o and -lm.
14370 2006-01-22 Zack Weinberg <zackw@panix.com>
14372 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14373 (output_dfa_max_issue_rate, locked_states_num): Delete.
14374 (struct automaton): Add locked_states field.
14375 (output_dead_lock_vect): Save number of locked states in
14376 automaton->locked_states. If it is zero, don't print anything.
14377 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14378 (output_internal_dead_lock_func): Only test the dead_lock_vect
14379 for automata that have locked states.
14380 (output_statistics): Always print the number of locked states for
14381 each automaton. Calculate total number of locked states here.
14382 (write_automata): Don't call output_dfa_max_issue_rate.
14383 * genattrtab.c: Define length_unit_log as a const variable.
14384 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14385 max_insn_queue_index const.
14386 * final.c (length_unit_log): Declare const.
14387 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14389 2006-01-22 Zack Weinberg <zackw@panix.com>
14391 * genautomata.c: Include vec.h, not varray.h.
14392 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14393 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14394 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14395 VEC_* macros operating on appropriately typed vectors, or to
14396 malloced arrays when the size is known in advance. Const-ify
14397 many char* variables and function arguments. No functional changes.
14398 * Makefile.in (build/varray.o): Delete rule.
14399 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14400 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14402 2006-01-22 Zack Weinberg <zackw@panix.com>
14404 * gensupport.c: Define get_insn_name and record_insn_name here.
14405 (read_md_rtx): Call record_insn_name as appropriate.
14406 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14407 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14408 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14410 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14411 (BUILD_VARRAY): Delete.
14412 (genprognormal): Rename genprogmd. Fold in all programs from
14413 genprognoprint; also attrtab.
14414 (build/genattrtab): Just mention genautomata.o and varray.o.
14415 Reorganize a bit, add comments to make the categories clearer.
14417 2006-01-22 Zack Weinberg <zackw@panix.com>
14419 * genconditions.c (condition_table, add_condition): Delete.
14420 (write_conditions): Don't emit n_insn_conditions nor
14421 insn_elision_unavailable. Issue the gcc version #ifdef here,
14422 inside the table, with no #else clause ...
14423 (write_header): ...not here.
14424 (write_writer): New function.
14425 (main): Don't initialize condition_table. Use add_c_test.
14427 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14428 files on the command line.
14429 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14430 Return -1 if there is no entry in the table, don't abort.
14431 (add_c_test, traverse_c_tests): New functions.
14432 * gensupport.h (insn_elision_unavailable, insn_conditions)
14433 (n_insn_conditions): Delete declarations.
14434 (add_c_test, traverse_c_tests): Declare.
14435 * read-rtl.c: Include gensupport.h.
14436 (read_conditions): New function.
14437 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14438 (read_rtx_1): If we get EOF when we were looking for an initial
14439 open paren, return 0. Call read_conditions when appropriate.
14440 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14441 dummy-conditions.o. Eliminate references to insn-conditions.o,
14442 or change them to build/gencondmd.o, as appropriate. Remove
14443 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14444 from $(simple_generated_c). For all files remaining in those
14445 two lists, add insn-conditions.md to the generator command line.
14446 Give insn-constants.h/s-constants their own rules. Add rules
14447 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14448 (build/read-rtl.o): Depend on gensupport.h.
14449 (genprognormal): Include preds.
14450 (genprogearly): Rename genprognoprint; only difference is now that
14451 they don't link with $(BUILD_PRINT).
14452 * dummy-conditions.c: Delete.
14454 2006-01-22 Zack Weinberg <zackw@panix.com>
14456 * genextract.c: Don't include insn-config.h. Do include vec.h.
14457 Declare vectors of int, char, and locstr.
14458 (locstr): New typedef.
14459 (struct extraction): Make all array fields into bare pointers.
14460 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14461 (insn_code_number): Delete.
14462 (accum_extract): New struct.
14463 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14464 (gen_insn): Take insn_code_number as an argument. Use an
14465 accum_extract structure instead of loading data directly into
14466 a struct extraction, and having to know how big it might get.
14467 (walk_rtx): Operate entirely on an accum_extract structure.
14468 (print_path): Avoid unnecessary use of printf.
14469 (print_header): New function, split out of main. Distinguish
14470 more carefully between an unrecognizable insn and an insn that
14471 has the code number of a define_expand.
14472 (main): Pass insn_code_number to gen_insn. Call print_header
14473 only after parsing. Avoid unnecessary use of printf.
14474 * Makefile.in (build/vec.o): New rule.
14475 (build/genextract): Depend on build/vec.o.
14476 (build/genextract.o): Don't depend on insn-config.h.
14478 2006-01-22 Zack Weinberg <zackw@panix.com>
14480 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14481 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14482 practical. Eliminate per-generator-program link rules.
14484 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14486 PR middle-end/24437
14487 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14488 with a call expr to ...
14489 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14491 2006-01-23 Richard Guenther <rguenther@suse.de>
14493 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14494 before make_edge with conditional EDGE_TRUE_VALUE.
14496 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14497 Jan Hubicka <jh@suse.cz>
14498 Richard Guenther <rguenther@suse.de>
14500 PR rtl-optimization/25654
14501 * cfgexpand.c (aggregate_contains_union_type): New function.
14502 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14503 for structure variables that contain a union type.
14505 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14507 * gengtype.c (new_structure): Return the structure.
14508 (create_option): Add an extra "next" argument.
14509 (create_field): New function.
14510 (adjust_field_rtx_def): Use create_option and create_field.
14511 Remove a now-unnecessary call to find_structure.
14512 (adjust_field_tree_def): Likewise.
14513 (note_yacc_type): Remove an unnecessary call to find_structure.
14514 * gengtype.h (new_structure): Return the structure.
14515 (create_option): Add an extra argument.
14516 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14517 (option): Adjust calls to create_option.
14519 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14521 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14523 2006-01-22 Paul Brook <paul@codesourcery.com>
14524 Peter Barada <peter@the-baradas.com>
14526 * config/m68k/m68k.md: Add Coldfire FPU support.
14527 Define FP mode macro and associated attributes.
14528 Use it for float mode patterns.
14529 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14530 (LIBCALL_VALUE): Use m68k_libcall_value.
14531 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14532 (m68k_function_value): Ditto.
14533 (emit_move_sequence): Ditto.
14534 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14535 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14536 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14537 (MULTILIB_EXCEPTIONS): Ditto.
14538 * config/m68k/m68k.opt: Add mcfv4e.
14539 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14540 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14541 (m68k_output_function_prologue): Save ColdFire FPU registers.
14542 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14543 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14544 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14545 ColdFire FPU registers.
14546 (m68k_libcall_value, m68k_function_value): New functions.
14547 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14548 (LIBCALL_VALUE): Use m68k_libcall_value.
14549 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14550 (MASK_COLDFIRE): Add MASK_CFV4E.
14551 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14552 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14553 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14554 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14555 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14556 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14557 * doc/invoke.tex: Document -mcfv4e on m68k.
14559 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14561 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14564 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14567 * c-opts.c (c_common_handle_option): Don't include
14568 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14569 * doc/invoke.texi (C++ Dialect Options): Document that
14570 -Wnon-virtual-dtor is no longer included in -Wall.
14572 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14574 * gcov.c (print_version), gcov-dump.c (print_version),
14575 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14578 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14580 * df-scan.c (problem_SCAN): Added NULL reset function.
14581 (df_scan_reset_blocks): Added code to call reset block function
14582 (df_bb_refs_delete) Fixed comment.
14583 (df_insn_refs_delete): Made tolerant of deleting non existent info
14584 for dataflow problems that need to be reset.
14585 * df-core.c (df_set_blocks): Ditto.
14586 * df.h (struct df_problem): Added reset_fun.
14587 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14588 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14589 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14590 functions to clear out all references to def-use or use-def chains.
14592 2006-01-21 Ben Elliston <bje@au.ibm.com>
14594 * varasm.c (assemble_real): Initialise data array.
14596 2006-01-20 Paul Brook <paul@codesourcery.com>
14598 Merge from csl-arm-branch.
14599 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14600 * config/arm/arm.md (movdi): Force operands[1] to a register
14601 if we have a non-register source.
14602 (*arm_movdi, *movdf_soft_insn): Require that one of the
14603 operands be a register.
14604 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14605 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14607 2006-01-20 DJ Delorie <dj@redhat.com>
14609 * varasm.c (initializer_constant_valid_p): Allow pointers
14610 initialized from integer constants of lesser precision.
14611 (output_constant): Allow non-int-sized pointer modes to be
14612 initialized from integer constants.
14614 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14617 * cppdefault.h (struct default_include): Add multilib flag.
14618 * cppdefault.c (cpp_include_defaults): Set it.
14619 * c.opt (-imultilib): New option.
14620 * c-opts.c (imultilib): New.
14621 (c_common_handle_option): Handle -imultilib.
14622 (c_common_post_options): Likewise.
14623 * c-incpath.c (add_standard_paths, register_include_chains):
14625 * c-incpath.h (register_include_chains): Add extra parameter.
14626 * gcc.c (do_spec_1): Generate -imultilib option.
14627 (The Specs Language): Update %I description.
14628 (process_command): Update copyright notice.
14629 * doc/cppopts.texi (-imultilib): Document.
14630 * doc/invoke.texi (-imultilib): Include in option summary.
14631 (%I): Update specs documentation.
14633 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14635 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14637 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14639 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14642 2006-01-20 Richard Guenther <rguenther@suse.de>
14643 Steven Bosscher <stevenb.gcc@gmail.com>
14645 PR rtl-optimization/24626
14646 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14647 EDGE_TRUE_VALUE if in RTL mode.
14650 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14651 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14653 2006-01-20 Dirk Mueller <dmueller@suse.com>
14656 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14657 instead of a special NOP marker.
14658 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14659 NOP marker handling.
14660 * c-common.h (empty_body_warning): Add forward declaration.
14661 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14662 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14664 2006-01-20 Paul Brook <paul@codesourcery.com>
14666 * Makefile.in (lang_checks): Keep going if mkdir fails.
14668 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14670 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14671 be able to clean out basic block when not necessary.
14672 (df_scan_free): Fixed to properly delete information if df is
14673 unused before calling df_finish.
14674 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14675 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14677 (df_bb_refs_delete): New function.
14678 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14679 * df-core.c (df_set_blocks): Added code to properly clean out
14680 unused blocks if they are not part of the blocks to consider.
14681 Added additional null check.
14682 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14683 be able to clean out basic block when not necessary
14684 * df.h (df_free_bb_function): Ditto.
14685 (df_bb_refs_delete): New function.
14686 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14687 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14688 basic block parameter to be able to clean out basic block when not
14690 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14691 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14692 Fixed to properly delete information if df is unused before
14695 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14697 PR rtl-optimization/25799
14698 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14699 Corrected confluence operator to remove bits from op2 before oring
14700 with op1 rather than removing bits from op1.
14701 (df_ru_transfer_function): Corrected test on wrong bitmap which
14702 caused infinite loop. Both of these problems were introduced in
14703 the dataflow rewrite.
14705 2006-01-19 DJ Delorie <dj@redhat.com>
14707 * reload1.c (find_reload_regs): Note the details of reload
14708 failures in the dump file.
14709 (spill_failure): Likewise.
14711 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14713 * loop-iv.c: Include df.h and hashtab.h.
14714 (enum iv_grd_result): New enum.
14715 (DF_REF_IV, DF_REF_IV_SET): New macros.
14716 (struct biv_entry): New.
14717 (df, bivs): New global variables.
14718 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14719 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14721 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14722 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14723 analyzed_for_bivness_p, record_biv): New functions.
14724 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14725 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14726 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14728 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14730 (iv_number_of_iterations): Use new interface to iv analysis.
14731 * loop-unroll.c: Do not include varray.h.
14732 (analyze_iv_to_split_insn): Use new interface to iv
14734 * loop-unswitch.c (may_unswitch_on): Ditto.
14735 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14737 (df_bb_modify): Realloc tables to the new index.
14738 (df_find_use): New function.
14739 * df.h (df_find_use): Declare.
14740 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14742 * cfgloop.h (struct rtx_iv): Remove analysed field.
14743 (iv_get_reaching_def): Removed.
14744 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14745 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14746 (loop-iv.o): Add df.h and hashtab.h dependency.
14747 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14749 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14752 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14754 (__floatundisf, __floatundidf): Likewise.
14755 * libgcc2.h (IS_IBM_EXTENDED): Define.
14757 2006-01-19 DJ Delorie <dj@redhat.com>
14759 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14761 2006-01-19 Paul Brook <paul@codesourcery.com>
14763 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14764 as nothrow when unwinding tables are disabled.
14766 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14769 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14770 of bit-field" when in system header.
14772 2006-01-19 DJ Delorie <dj@redhat.com>
14774 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14775 the 16 bit shift limit of the m16c.
14777 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14780 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14781 * config/i386/i386.c (output_set_got): Output the label if we have one
14782 for the TARGET_DEEP_BRANCH_PREDICTION case.
14784 2006-01-19 Jan Hubicka <jh@suse.cz>
14785 H.J. Lu <hongjiu.lu@intel.com>
14786 Evandro Menezes <evandro.menezes@amd.com>
14788 * invoke.texi (generic): Document
14790 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14791 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14792 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14793 (x86_use_incdec, x86_pad_returns): New variables
14794 (TARGET_CPU_DEFAULT_generic): New constant
14795 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14796 (enum processor_type): Add generic32 and generic64.
14797 * i386.md (cpu attribute): Add generic32/generic64
14798 (movhi splitter): Behave sanely when both partial_reg_dependency and
14799 partial_reg_stall are set.
14800 (K8 splitters): Enable for generic as well.
14801 * predicates.md (incdec_operand): Use TARGET_INCDEC
14802 (aligned_operand): Avoid memory mismatch stalls.
14803 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14804 * ppro.md: Enable for generic32
14805 * i386.c (generic64_cost, generic32_cost): New.
14806 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14807 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14808 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14809 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14810 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14811 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14812 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14813 x86_accumulate_outgoing_args, x86_prologue_using_move,
14814 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14815 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14816 Enable for generic.
14817 (x86_use_incdec, x86_pad_returns): New.
14818 (override_options): Add generic32 and generic64, translate "generic"
14819 to generic32/generic64 and "i686" to "generic32", refuse
14820 "generic32"/"generic64" as arch target.
14821 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14822 (ix86_reorg): Honor PAD_RETURNS.
14824 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14826 * tree-pretty-print.c (dump_generic_node): Handle
14827 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14828 * cgraph.c (cgraph_expand_queue): Rename from
14829 cgraph_analyze_queue. Update all users.
14830 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14831 cgraph_expand_queue.
14832 (cgraph_expand_all_functions): Likewise.
14833 (cgraph_finalize_pending_functions): Remove. Update callers.
14835 * tree.h (OMP_DIRECTIVE_P): Define.
14836 (OMP_PARALLEL_FN): Define.
14837 (OMP_PARALLEL_DATA_ARG): Define.
14838 (OMP_SECTIONS_SECTIONS): Define.
14839 * tree-pass.h (pass_expand_omp): Declare.
14840 * omp-low.c (struct omp_region): Declare.
14841 (struct omp_context): Remove fields 'parallel_type',
14842 'parallel_start_ix' and 'parallel_start_additional_args'.
14844 (struct omp_for_data): Rename from struct expand_omp_for_data.
14845 (omp_regions): New static variable.
14846 (root_omp_region): New static variable.
14847 (find_omp_clause): Make static.
14848 (is_in_combined_parallel_ctx): Remove.
14849 (is_combined_parallel): New.
14850 (extract_omp_for_data): Move earlier in the file.
14851 (workshare_safe_to_combine_p): New.
14852 (get_ws_args_for): New.
14853 (determine_parallel_type): Move earlier in the file.
14854 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14856 (omp_copy_decl): Likewise.
14857 (create_omp_child_function): Likewise.
14858 (lookup_omp_region): New.
14859 (dump_omp_region): New.
14860 (debug_omp_region): New.
14861 (debug_all_omp_regions): New.
14862 (new_omp_region): New.
14863 (scan_omp_parallel): If parallel_nesting_level > 1, the
14864 directive is nested within another parallel directive.
14865 Set OMP_PARALLEL_FN.
14866 (scan_omp_for): Do not try to handle combined parallel+for
14868 Remove FIXME comment.
14869 (scan_omp_nested): Remove.
14870 (scan_omp_1): Do not call scan_omp_nested when
14871 parallel_nesting_level is > 1.
14872 Do not change the DECL_CONTEXT of local variables found.
14873 (lookup_decl_in_outer_ctx): New.
14874 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14875 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14876 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14877 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14878 If CTX is nested, lookup VAR in the outer context when
14879 building copy assignment.
14880 (lower_send_clauses): Rename from expand_send_clauses.
14881 If CTX is nested, lookup VAR in the outer context when
14882 building copy assignments.
14883 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14884 If CTX is nested, lookup VAR in the outer context when
14885 building copy assignments.
14886 (expand_parallel_call): Rename from build_parallel_call.
14887 Handle combined parallel+workshare cases.
14888 Re-implement to emit code into the CFG.
14890 (expand_omp_parallel): Re-implement to emit code into the CFG.
14891 Call move_sese_region_to_fn to outline the sub-graph
14892 containing the parallel region.
14893 (expand_omp_for_1): Remove.
14894 (expand_omp_for_generic): Re-implement to emit code into the
14896 (expand_omp_for_static_nochunk): Likewise.
14897 (expand_omp_for_static_chunk): Likewise.
14898 (expand_omp_for): Likewise.
14899 (expand_omp_sections): Likewise.
14900 (remove_exit_barriers): New.
14901 (expand_omp_synch): New.
14903 (build_omp_regions_1): New.
14904 (build_omp_regions): New.
14905 (execute_expand_omp): New.
14906 (gate_expand_omp): New.
14907 (pass_expand_omp): Define.
14908 (lower_omp_sections): Rename from expand_omp_sections.
14909 Set OMP_SECTIONS_SECTIONS.
14910 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14911 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14912 (lower_omp_single): Rename from expand_omp_simple.
14913 (lower_omp_master): Rename from expand_omp_master.
14914 (lower_omp_ordered): Rename from expand_omp_ordered.
14915 (lower_omp_critical): Rename from expand_omp_critical.
14916 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14917 (lower_omp_for): Re-implement.
14918 (lower_omp_parallel): Re-implement.
14919 (lower_regimplify): Rename from expand_regimplify.
14920 (lower_omp_1): Rename from expand_omp_1.
14921 If there are syntax errors in the program, replace every
14922 OpenMP directive with NOP.
14923 Call lower_omp_* instead of expand_omp_*.
14924 (lower_omp): Rename from expand_omp.
14926 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14927 * tree-gimple.h (enum omp_parallel_type): Remove.
14928 (gimple_boolify): Declare extern.
14929 (find_omp_clause, determine_parallel_type): Remove.
14931 * gimple-low.c (lower_omp_directive): New.
14932 (lower_stmt): Call it.
14933 (record_vars_into): Move from ...
14934 (record_vars): ... here.
14935 Call record_vars_into with current_function_decl.
14937 * gimplify.c (struct gimplify_ctx): Remove fields
14938 combined_pre_p and combined_ctxp. Update users.
14939 (get_formal_tmp_var): Add documentation.
14940 (gimple_boolify): Make extern.
14941 (gimplify_expr_in_ctx): Remove. Update callers.
14942 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14943 will always be a BIND_EXPR.
14944 (gimplify_expr): Handle OMP_RETURN_EXPR.
14945 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14946 (OMP_PARALLEL): Add 3 operands.
14947 (OMP_SECTIONS): Add 1 operand.
14948 (OMP_RETURN_EXPR): Define.
14950 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14951 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14952 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14953 creating a circular free list.
14954 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14956 * tree-flow.h (move_sese_region_to_fn): Declare.
14957 (record_vars_into): Declare.
14958 * tree-cfg.c (make_omp_sections_edges): New.
14959 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14960 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14961 OMP_SECTIONS and OMP_SECTION.
14962 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14963 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14964 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14965 (gather_blocks_in_sese_region): New.
14966 (struct move_stmt_d): Declare.
14967 (move_stmt_r): New.
14968 (move_block_to_fn): New.
14969 (move_sese_region_to_fn): New.
14971 * passes.c (init_optimization_passes): Schedule
14972 pass_expand_omp after pass_init_datastructures.
14974 * tree-ssa-operands.c (get_expr_operands): Handle
14975 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14976 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14978 2006-01-19 Jeff Law <law@redhat.com>
14980 * tree-vrp.c (extract_range_from_assert): Refine the result range
14981 if the variable referenced by the ASSERT_EXPR has a range and
14982 either the tentative result range or the previous range is a
14985 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14987 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14989 2006-01-19 Jan Hubicka <jh@suse.cz>
14991 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14993 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14995 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14996 (expand_compound_operation, expand_field_assignment): Fail if the
14997 bit lengths of an extract operation are out of range.
14998 (make_extraction): Compute wanted_inner_mode based on the position
14999 and length of the extraction. Make it extraction_mode for non-constant
15000 positions, and do not modify offset in that case. When generating a
15001 new MEM, use a mode that can hold the extraction while keeping correct
15002 alignment. Remove code that supported MEMs wrapped by USEs.
15003 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15005 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15007 * config/s390/s390.md ("Y", "y"): New mode attribute.
15008 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15009 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15010 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15011 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15012 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15013 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15014 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15015 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15016 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15017 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15018 "addsi3", "subsi3"): Insn patterns removed.
15019 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15020 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15021 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15022 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15023 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15024 "*sub<mode>3_cconly2"): New insn patterns.
15025 ("addsi3", "subsi3"): New expanders.
15027 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15029 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15030 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15031 existing STMT_VINFO_VECTYPE if available.
15032 (vect_mark_relevant): Add special handling for stmts that are
15033 marked as STMT_VINFO_IN_PATTERN_P.
15034 (vect_analyze_loop): Call vect_pattern_recog.
15035 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15036 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15038 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15039 (vect_recog_func_ptr): New function-pointer type.
15040 * tree-vect-patterns.c: New file.
15041 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15042 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15043 (vect_pattern_recog_1): New functions.
15044 (vect_pattern_recog_funcs): New array of function pointers.
15046 * tree-vectorizer.h (ternary_op): New enum value.
15047 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15048 declaration. Revised documentation. Removed redundant dump prints.
15049 Removed redundant argument. Added support for reduction patterns.
15050 (vectorizable_reduction): Added support for reduction patterns.
15051 (vect_transform_stmt): Added support for patterns.
15053 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15054 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15055 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15056 (expand_widen_pattern_expr): New function.
15057 (init_optabs): Initialize new optabs udot_prod_optab,
15059 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15060 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15061 (expand_widen_pattern_expr): New function declaration.
15062 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15064 * tree-inline.c (estimate_num_insns_1): Added cases for new
15065 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15066 * tree-pretty-print.c (dump_generic_node): Likewise.
15067 (op_prio): Likewise.
15068 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15069 * tree-ssa-operands.c (get_expr_operands): Added case for
15071 * tree-vect-patterns.c (widened_name_p): New function.
15072 (vect_recog_dot_prod_pattern): Added function implementation.
15073 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15074 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15075 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15076 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15078 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15079 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15080 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15081 (init_optabs): Initialize new optabs widen_ssum_optab,
15083 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15084 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15085 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15086 use instead of type of def.
15087 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15088 function implementation.
15089 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15090 widen_ssumv8hi): New.
15092 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15095 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15098 * c-decl.c (add_flexible_array_elts_to_size): New function.
15099 (finish_decl): Use it.
15101 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15103 * diagnostic.h: Include options.h.
15104 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15105 dependancies for diagnostic.h.
15106 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15108 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15110 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15111 (ssa_ro_call_cache_valid): Ditto.
15112 * tree-ssa-alias.c (sort_tags_by_id): New function.
15113 (init_transitive_clobber_worklist): Ditto.
15114 (add_to_worklist): Ditto.
15115 (mark_aliases_call_clobbered): Ditto.
15116 (compute_tag_properties): Ditto.
15117 (set_initial_properties): Ditto.
15118 (compute_call_clobbered): Ditto.
15119 (compute_may_aliases): Call compute_call_clobbered and grouping.
15120 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15121 (compute_flow_insensitive_aliasing): Grouping now happens in our
15123 (setup_pointers_and_addressables): Remove clobbering related code.
15124 (add_may_alias): Ditto.
15125 (replace_may_alias): Ditto.
15126 (get_nmt_for): Ditto.
15127 (create_global_var):
15128 (is_escape_site): Return an escape_type enumeration.
15129 * tree-flow-inline.h (is_call_clobbered): Global var does not
15130 imply call clobbered.
15131 (mark_call_clobbered): Take a reason for marking this. Remove
15132 marking of globalness, and cache invalidation.
15133 (clear_call_clobbered): Remove cache invalidation code.
15134 * tree-dfa.c (dump_variable): If details is on, dump the reason
15136 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15138 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15139 (struct var_ann_d): Ditto.
15140 (enum escape_type): New.
15141 (mark_call_clobbered): Adjust prototype.
15142 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15143 are never call clobbered.
15144 Record reasons for escaping.
15145 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15146 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15147 (ssa_ro_call_cache_valid): Ditto.
15148 (clobbered_v_may_defs): Ditto.
15149 (clobbered_vuses): Ditto.
15150 (ro_call_vuses): Ditto.
15151 (clobber_stats): New.
15152 (init_ssa_operands): Zero out clobber stats.
15153 (fini_ssa_operands): Print out clobber stats.
15154 (get_call_expr_operands): Pass callee fndecl to
15155 add_call_read_ops).
15156 (add_call_clobber_ops): Remove use of cache.
15157 Add use of PURE_CONST information.
15158 (add_call_read_ops): Remove use of cache.
15159 Add use of static not_read information.
15161 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15163 Introduce TLS descriptors for i386 and x86_64.
15164 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15165 (TARGET_ANY_GNU_TLS): New macro.
15166 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15167 (struct machine_function): Add tls_descriptor_call_expanded_p.
15168 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15169 (ix86_current_function_calls_tls_descriptor): Likewise.
15170 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15171 (override_options): Introduce gnu2 tls dialect.
15172 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15174 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15176 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15177 (ix86_init_machine_status): Initialize new field.
15178 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15179 (ix86_tls_module_base): New.
15180 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15181 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15182 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15183 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15184 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15185 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15186 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15187 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15188 * config/i386/predicates.md (tls_modbase_operand): New.
15189 (tp_or_register_operand): New.
15191 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15193 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15194 (look_for_address_of): Ditto.
15195 (ipa_init): Walk the function decls.
15196 (static_execute): Don't set readonly on FUNCTION_DECL's.
15198 2006-01-18 Roger Sayle <roger@eyesopen.com>
15200 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15201 for shifts where the source and destination registers are different.
15203 2006-01-18 Paul Brook <paul@codesourcery.com>
15205 Merge from csl-arm-branch.
15206 2005-03-14 Julian Brown <julian@codesourcery.com>
15207 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15208 (aeabi_llsl): Likewise.
15209 (ashrdi3): Likewise.
15210 (aeabi_lasr): Likewise.
15211 (lshrdi3): Likewise.
15212 (aeabi_llsr): Likewise.
15213 2005-03-10 Julian Brown <julian@codesourcery.com>
15214 * config.gcc: Disable shared libgcc for SymbianOS.
15215 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15217 2006-01-18 DJ Delorie <dj@redhat.com>
15219 * c-pragma.c (handle_pragma_diagnostic): New.
15220 (init_pragma): Register it.
15221 * doc/extend.texi: Document it.
15223 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15224 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15225 (diagnostic_context): Add classify_diagnostic[].
15226 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15227 as errors if they're overridden to DK_WARNING.
15228 (diagnostic_initialize): Initialize classify_diagnostic[].
15229 (diagnostic_set_kind_override): New.
15230 (diagnostic_report_diagnostic): Check for kind changes.
15231 * opts.c (common_handle_option): Take lang_mask. Update callers.
15232 Handle OPT_Werror_.
15233 * common.opt (Werror=): New.
15234 * doc/invoke.texi: Document -Werror=*
15236 2006-01-18 Jeff Law <law@redhat.com>
15238 * tree-vrp.c (test_for_singularity): Correct test for new
15239 min limit. Use operand_equal_p rather than pointer equality
15240 for testing if new min/max values are equal.
15242 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15243 using range information until after propagation and folding.
15245 2006-01-18 Richard Henderson <rth@redhat.com>
15246 Aldy Hernandez <aldyh@redhat.com>
15247 Jakub Jelinek <jakub@redhat.com>
15248 Diego Novillo <dnovillo@redhat.com>
15250 * omp-low.c: New file.
15251 * c-omp.c: New file.
15253 2006-01-18 Richard Henderson <rth@redhat.com>
15254 Jakub Jelinek <jakub@redhat.com>
15255 Diego Novillo <dnovillo@redhat.com>
15257 * doc/invoke.texi: Document -fopenmp.
15258 * tree-dump.h (debug_function): Declare.
15259 * hooks.c (hook_bool_tree_bool_false): New function.
15260 (hook_tree_tree_null): Remove.
15261 (hook_tree_tree_tree_null): New.
15262 * hooks.h: Update to match.
15263 * tree-pretty-print.c (debug_tree_chain): New.
15264 (print_generic_expr): Handle TDF_CHAIN.
15265 (dump_generic_node): Handle BLOCK.
15266 Do not abort with incomplete SWITCH_EXPRs.
15267 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15268 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15269 print space after directive name.
15270 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15271 Handle OMP_MASTER and OMP_ORDERED.
15272 Handle printing of OMP_BODY just in one place, goto
15273 dump_omp_body in the rest of OMP_* nodes that have
15275 Don't handle clause nodes here. Update omp statements to
15276 use dump_omp_clauses.
15277 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15278 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15279 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15280 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15281 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15282 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15283 Adjust output for GOMP_PARALLEL.
15284 (dump_omp_clauses): New.
15285 (print_declaration): Dump DECL_VALUE_EXPR.
15286 (op_symbol_1): Split out of op_symbol.
15287 (dumping_stmts): Remove. Update all users.
15288 * cgraph.c (cgraph_analyze_queue): New.
15289 (cgraph_add_new_function): New.
15290 * cgraph.h (cgraph_analyze_queue): Declare.
15291 (cgraph_add_new_function): Declare.
15292 (cgraph_lower_function): Remove.
15293 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15294 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15295 and TYPE_P nodes in its default clause.
15296 (empty_body_p): New.
15297 (tree_range_check_failed): New.
15298 (build5_stat): New.
15299 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15300 OMP_CLAUSE_REDUCTION_MERGE,
15301 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15302 OMP_CLAUSE_PRIVATE_DEBUG,
15303 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15304 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15305 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15306 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15307 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15308 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15309 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15310 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15311 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15312 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15313 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15314 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15315 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15316 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15317 (TREE_RANGE_CHECK): New.
15318 (empty_body_p): Declare.
15319 (enum omp_clause_default_kind): New.
15320 (build_string_literal): Declare.
15321 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15322 (build5_stat, build5): Declare.
15323 * tree-pass.h (TDF_CHAIN): Define.
15324 * tree-pass.h (PROP_gimple_lomp): Define.
15325 (pass_lower_omp): Declare.
15326 * diagnostic.h (debug_tree_chain): Declare.
15327 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15329 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15330 * builtins.c (build_string_literal): Make extern.
15331 * gcc.c (include_spec_function): New.
15332 (static_spec_functions): Add it.
15333 (main): Move load of libgomp.spec ...
15334 (LINK_COMMAND_SPEC): ... here.
15335 (link_gomp_spec): New.
15336 (static_specs): Include it.
15337 (LINK_COMMAND_SPEC): Add link_gomp.
15338 (GOMP_SELF_SPECS): New.
15339 (driver_self_specs): Include it.
15340 (switch_matches): Don't mark inline.
15341 (main): Load libgomp.spec.
15342 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15343 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15344 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15345 * tree-gimple.h (enum omp_parallel): Declare.
15346 (determine_parallel_type): Declare.
15347 (omp_firstprivatize_variable): Declare.
15348 (omp_reduction_init): Declare.
15349 (diagnose_omp_structured_block_errors): Declare.
15350 (struct walk_stmt_info): Add want_return_expr.
15351 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15352 (find_omp_clause): Declare.
15353 (insert_field_into_struct): Declare.
15354 (struct walk_stmt_info): Move from tree-nested.c
15355 (walk_stmts): Declare.
15356 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15358 * cgraphunit.c (cgraph_lower_function): Make static.
15359 (cgraph_finalize_pending_functions): New.
15360 (cgraph_finalize_function): Call it.
15361 (cgraph_finalize_compilation_unit): Likewise.
15362 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15363 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15364 (BT_FN_UINT_UINT): New.
15365 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15366 DEF_FUNCTION_TYPE_VAR_4): Document.
15367 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15368 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15369 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15370 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15371 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15372 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15373 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15374 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15375 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15376 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15377 into separate files.
15378 (DEF_GOMP_BUILTIN): New.
15379 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15380 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15381 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15382 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15383 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15384 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15385 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15386 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15387 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15388 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15389 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15390 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15391 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15392 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15393 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15394 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15395 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15396 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15397 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15398 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15399 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15400 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15401 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15402 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15403 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15404 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15405 * sync-builtins.def: New file, moved from builtins.def.
15406 * omp-builtins.def: New file, moved from builtins.def.
15407 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15408 * gimple-low.c (lower_function_body): Clear data.
15409 (lower_stmt): Do not handle COMPOUND_EXPR.
15410 Remove call to print_node_brief.
15411 * c-tree.h (c_finish_omp_clauses): New prototype.
15412 (C_DECL_THREADPRIVATE_P): Define.
15413 (lookup_name_no_remap, c_omp_remap_private): Remove
15414 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15415 (check_for_loop_decls): Update decl.
15416 (lookup_name_no_remap, c_omp_remap_private): Declare.
15417 (build_indirect_ref, build_modify_expr, pushdecl,
15418 pushdecl_top_level): Move to c-common.h.
15419 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15420 before the switch, but just in the 2 places that need it.
15421 * c-decl.c (diagnose_mismatched_decls): Do not check for
15422 mismatched thread-local attributes when OLDDECL is marked
15423 threadprivate and NEWDECL has no thread-local attributes.
15424 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15425 (c_gimple_diagnostics_recursively): Rename from
15426 c_warn_unused_result_recursively. Invoke
15427 diagnose_omp_structured_block_errors.
15428 (check_for_loop_decls): Return a singular decl found.
15429 * langhooks.c (lhd_omp_predetermined_sharing): Return
15430 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15431 (lhd_omp_firstprivatize_type_sizes): New.
15432 (lhd_omp_assignment): New.
15433 (lhd_omp_predetermined_sharing): New.
15434 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15435 (struct lang_hooks_for_types): Add
15436 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15437 omp_predetermined_sharing, omp_disregard_value_expr,
15438 omp_private_debug_clause, omp_clause_default_ctor,
15439 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15440 (c_finish_omp_clauses): New.
15441 (c_finish_bc_stmt): Diagnose break within omp for.
15442 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15443 (build_unary_op): Return error_mark after reporting
15445 (build_modify_expr): Likewise.
15446 * gimplify.c: Include optabs.h and pointer-set.h.
15447 (enum gimplify_omp_var_data): Declare.
15448 (struct gimplify_omp_ctx): Declare.
15449 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15451 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15452 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15453 (splay_tree_compare_decl_uid): New.
15454 (new_omp_context): New.
15455 (delete_omp_context): New.
15456 (gimple_add_tmp_var): Call omp_add_variable.
15457 (gimplify_bind_expr): Likewise.
15458 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15459 true, disregard DECL_VALUE_EXPR on the decl if any.
15460 (gimplify_expr_in_ctx): New.
15461 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15462 omp_add_variable, omp_notice_variable, omp_is_private
15463 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15464 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15465 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15466 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15467 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15468 gimplify_omp_atomic): New.
15469 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15470 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15471 OMP_CRITICAL and OMP_ATOMIC.
15472 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15473 * c-pragma.h (enum pragma_kind): Add
15474 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15475 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15476 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15477 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15478 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15479 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15480 PRAGMA_OMP_THREADPRIVATE.
15481 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15482 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15483 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15484 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15485 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15486 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15487 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15488 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15489 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15490 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15491 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15492 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15493 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15495 (struct nesting_info): Add field_map,
15496 suppress_expansion, debug_var_chain.
15497 (create_nesting_tree): Initialize them.
15498 (lookup_field_for_decl): Use field_map.
15499 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15500 (convert_local_omp_clauses): New.
15501 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15502 (walk_body): Split out of walk_function.
15503 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15504 (convert_nonlocal_reference): Handle omp statements.
15505 (convert_local_reference): Likewise.
15506 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15507 (unnest_nesting_tree): New.
15508 (lower_nested_functions): Call it.
15509 (insert_field_into_struct): Make extern.
15510 (struct walk_stmt_info): Move to tree-gimple.h.
15511 (walk_stmts): Make extern.
15512 * omp-builtins.def: New file.
15513 * tree-iterator.c (expr_only): Clarify comment.
15514 * c-common.h (pushdecl_top_level, pushdecl,
15515 build_modify_expr, build_indirect_ref,
15516 c_finish_omp_master, c_finish_omp_critical,
15517 c_finish_omp_ordered, c_finish_omp_barrier,
15518 c_finish_omp_atomic, c_finish_omp_flush,
15519 c_finish_omp_for, c_split_parallel_clauses,
15520 omp_clause_default_kind, c_omp_sharing_predetermined,
15521 c_omp_remap_decl): Declare.
15522 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15523 (OBJS-common): Add omp-low.o.
15524 (c-omp.o, omp-low.o): Add.
15525 (gimplify.o): Add dependency on $(OPTABS_H).
15526 (GTFILES): Add omp-low.c.
15527 (gt-stringpool.h): Add.
15528 * tree-cfg.c (set_bb_for_stmt): Do not update the
15529 block-to-labels map if we are currently expanding to RTL.
15530 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15532 Handle IDENTIFIER_NODE.
15533 (tree_verify_flow_info): Do not ICE when emitting error
15534 messages about invalid labels.
15535 (dump_function_to_file): Reset CFUN before emitting the body
15537 (debug_function): New.
15538 * passes.c (init_optimization_passes): Schedule
15540 * langhooks-def.h (lhd_omp_predetermined_sharing,
15541 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15543 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15544 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15545 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15546 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15547 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15548 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15549 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15550 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15551 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15552 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15553 (LANG_HOOK_DECLS): Use them.
15555 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15556 Richard Henderson <rth@redhat.com>
15557 Jakub Jelinek <jakub@redhat.com>
15558 Diego Novillo <dnovillo@redhat.com>
15560 * c-parser.c (pragma_omp_clause): Define.
15561 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15562 (c_parser_compound_statement): Likewise.
15563 (c_parser_statement): Likewise.
15564 (c_parser_pragma): Handle omp pragmas.
15565 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15566 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15567 (c_parser_omp_clause_name, check_no_duplicate_clause,
15568 c_parser_omp_variable_list,
15569 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15570 c_parser_omp_clause_copyprivate,
15571 c_parser_omp_clause_default,
15572 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15573 c_parser_omp_clause_lastprivate,
15574 c_parser_omp_clause_nowait,
15575 c_parser_omp_clause_num_threads,
15576 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15577 c_parser_omp_clause_reduction,
15578 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15579 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15580 c_parser_omp_atomic, c_parser_omp_barrier,
15581 c_parser_omp_critical, c_parser_omp_flush,
15582 c_parser_omp_for_loop, c_parser_omp_for,
15583 c_parser_omp_master, c_parser_omp_ordered,
15584 c_parser_omp_sections_scope, c_parser_omp_sections,
15585 c_parser_omp_parallel, c_parser_omp_single,
15586 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15587 * c-pragma.c (init_pragma): Do omp pragma registration here.
15588 * c.opt (fopenmp): New flag.
15590 2006-01-18 Eric Christopher <echristo@apple.com>
15592 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15593 * config/darwin.h (GOMP_SELF_SPECS): Define.
15595 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15597 * rtl.h: Remove the prototype for reg_alloc.
15599 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15602 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15603 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15604 sjlj and dwarf2 exception handling.
15605 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15606 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15607 * pa/pa.c (function_value): Treat complex and vector types as
15609 (function_arg): Likewise. Only pass scalar floats in the floating
15610 point argument registers.
15611 * pa/t-slibgcc-dwarf-ver: New file.
15612 * pa/t-slibgcc-sjlj-ver: New file.
15613 * pa/t-slibgcc-elf-ver: Delete file.
15615 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15617 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15618 unlikely_test_section_p test.
15620 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15622 * mode-switching.c (optimize_mode_switching): Make it static.
15623 * basic-block.h: Remove the prototype for
15624 optimize_mode_switching.
15626 * modulo-sched.c (sms_schedule): Make it static.
15627 * rtl.h: Remove the prototype for sms_schedule.
15629 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15630 * rtl.h: Remove the prototype for gcse_after_reload_main.
15632 * reg-stack.c (reg_to_stack): Make it static.
15633 * rtl.h: Remove the prototype for reg_to_stack.
15635 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15637 * rtl.h: Remove the prototypes for regrename_optimize and
15638 copyprop_hardreg_forward.
15640 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15642 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15643 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15644 Test against the appropriate null constant for the mode.
15645 If 'fixup_overlap' is true, swap the operands if they overlap.
15646 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15647 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15648 alpha_split_tmode_pair and adjust for above change.
15649 * config/alpha/alpha.md (movtf_internal): Adjust call to
15650 alpha_split_tfmode_pair and rely on it to swap the operands.
15651 (movti_internal): New insn and post-reload splitter.
15652 (movti): New expander.
15654 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15656 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15659 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15661 * rtlanal.c (global_reg_mentioned_p_1,
15662 global_reg_mentioned_p): Remove.
15663 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15665 * flow.c (initialize_uninitialized_subregs): Make it static.
15666 * rtl.h: Remove the prototype for
15667 initialize_uninitialized_subregs.
15669 * function.c (instantiate_virtual_regs): Make it static.
15670 * function.h: Remove the prototype for
15671 instantiate_virtual_regs.
15673 * regmove.c (regmove_optimize, combine_stack_adjustments):
15675 * rtl.h: Remove the prototypes for regmove_optimize and
15676 combine_stack_adjustments.
15678 2006-01-17 Roger Sayle <roger@eyesopen.com>
15680 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15681 (size_cost): Encode costs in bytes so that a reg-reg addition is
15682 equivalent to COSTS_N_INSNS(1).
15683 (override_options): Use the size_cost.branch_cost as the default
15684 ix86_branch_cost when optimizing for size.
15686 2006-01-18 Ben Elliston <bje@au.ibm.com>
15688 * Makefile.in (D32PBIT_FUNCS): New.
15689 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15690 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15691 D64PBIT_FUNCS and D128PBIT_FUNCS.
15692 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15693 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15695 (decnumber_dep): Define.
15696 * doc/libgcc.texi (Decimal float library routines): New node.
15697 * config/dfp-bit.h, config/dfp-bit.c: New files.
15699 2006-01-18 Ben Elliston <bje@au.ibm.com>
15701 * expr.c (emit_move_change_mode): Always adjust addresses, not
15702 just during reload. Copy replacements only during reload.
15703 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15704 emit_move_via_integer.
15706 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15708 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15709 instead of $(srcdir) and ${srcdir}.
15711 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15714 PR middle-end/11135
15715 * arm.h (struct machine_function): Add pic_reg.
15716 * arm.c (arm_pic_register): Make unsigned.
15717 (arm_override_options): Only set arm_pic_register if
15718 TARGET_SINGLE_PIC_BASE.
15719 (use_return_insn): Only test for a pic register if it is fixed.
15720 (arm_compute_save_reg0_reg12_mask): Likewise.
15721 (thumb_compute_save_reg_mask): Likewise.
15722 (legitimate_pic_operand): Factor out some known invariants.
15723 (legitimize_pic_address): If we don't have a fixed pic register,
15724 then set up a pseudo in the function entry sequence. Handle the
15725 pic base being in a pseudo.
15726 (arm_load_pic_register): Handle the pic register being in a pseudo.
15727 (arm_expand_prologue): Only set up the pic register if it is fixed.
15728 (thumb_expand_prologue): Likewise.
15729 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15730 (pic_load_addr_based_insn): Likewise.
15731 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15734 2006-01-18 Ben Elliston <bje@au.ibm.com>
15736 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15737 decimal float modes for all floating point registers.
15739 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15740 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15742 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15745 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15746 even when the pointer is not NULL.
15748 2006-01-16 Ian Lance Taylor <ian@airs.com>
15750 * common.opt (ftoplevel-reorder): New option.
15751 * cgraph.c (cgraph_asm_nodes): New global variable.
15752 (cgraph_asm_last_node): New static variable.
15753 (cgraph_order): New global variable.
15754 (cgraph_create_node): Set new order field.
15755 (cgraph_varpool_node): Likewise.
15756 (decide_is_variable_needed): Return true if not
15757 flag_toplevel_reorder.
15758 (cgraph_add_asm_node): New function.
15759 * cgraph.h (struct cgraph_node): Add order field.
15760 (struct cgraph_varpool_node): Add order field.
15761 (struct cgraph_asm_node): Define.
15762 (cgraph_asm_nodes, cgraph_order): Declare.
15763 (cgraph_add_asm_node): Declare.
15764 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15766 (cgraph_varpool_assemble_pending_decls): Call it.
15767 (cgraph_output_pending_asms): New static function.
15768 (cgraph_finalize_compilation_unit): Call it.
15769 (struct cgraph_order_sort): Define.
15770 (cgraph_output_in_order): New static function.
15771 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15772 !flag_toplevel_reorder case.
15773 * c-parser.c: Include "cgraph.h".
15774 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15776 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15777 than -fno-unit-at-a-time.
15778 * doc/invoke.texi (Option Summary): Mention
15779 -fno-toplevel-reorder.
15780 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15781 -funit-at-a-time documentation.
15783 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15784 Kazu Hirata <kazu@codesourcery.com>
15786 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15788 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15790 * Makefile.in (FUNCTION_H): New. Use it instead of
15791 function.h throughout the file.
15792 * function.h: Include tree.h.
15794 2006-01-17 Ben Elliston <bje@au.ibm.com>
15796 * recog.c: Separate some functions with whitespace.
15798 2006-01-16 Richard Henderson <rth@redhat.com>
15800 Merge from gomp branch:
15801 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15802 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15803 and rename from struct inline_data. Rename callee* to dst*;
15804 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15805 transform_new_cfg, transform_return_to_modify, and
15806 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15808 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15809 (copy_decl_for_dup): Remove.
15810 * tree-inline.c (struct inline_data): Move to header.
15811 (insert_decl_map): Export.
15812 (remap_decl): Update for member name changes. Use copy_decl hook.
15813 Allow for replacement to be a non-decl. Remove dead code.
15814 (remap_type_1): Check for existing mapping.
15815 (remap_type): Export.
15816 (remap_decls): Update for member name changes.
15817 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15818 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15819 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15820 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15821 (tree_function_versioning, build_duplicate_type): Likewise.
15822 (copy_body_r): Likewise. Export.
15823 (copy_decl_for_dup): Split into ...
15824 (copy_decl_for_dup_finish, copy_decl_to_var,
15825 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15826 (replace_ref_tree, inlining_p): Remove.
15828 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15830 * ifcvt.c (if_convert): Make it static.
15831 * rtl.h: Remove the prototype for if_convert.
15833 * local-alloc.c (local_alloc): Make it static.
15834 * rtl.h: Remove the prototype for local_alloc.
15836 * loop.c (loop_optimize): Make it static.
15837 * cfgloop.h: Remove the prototype for loop_optimize.
15840 2006-01-16 DJ Delorie <dj@redhat.com>
15842 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15845 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15847 * pa.md: Disparage copies between general and floating-point registers
15848 in 32-bit move patterns.
15850 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15853 * Makefile.in (check-%): Depend on site.exp instead of
15854 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15857 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15859 * global.c (global_alloc): Make it static.
15860 * rtl.h: Remove the prototype for global_alloc.
15862 2006-01-16 Richard Guenther <rguenther@suse.de>
15864 * tree-ssa-alias.c (struct used_part): Add write_only field.
15865 (get_or_create_used_part_for): Initialize it to true.
15866 (create_overlap_variables_for): Don't create structure variables
15867 for structures that only are written to.
15868 (find_used_portions): Handle MODIFY_EXPR to track whether a
15869 structure is only written to.
15871 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15873 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15875 * basic-block.h: Remove the prototype for
15876 partition_hot_cold_basic_blocks.
15878 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15880 * cppspec.c (lang_specific_spec_functions): Remove.
15881 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15882 * gcc.h (lang_specific_spec_functions): Remove.
15883 * gccspec.c (lang_specific_spec_functions): Remove.
15885 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15887 * combine.c (record_value_for_reg): Invalidate registers
15889 (record_dead_and_set_regs_1): Likewise, by passing them to
15890 record_value_for_reg.
15891 (record_dead_and_set_regs): Invalidate stores made by a
15892 call. We do not combine across a call, but we still
15893 relied on equivalences.
15895 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15897 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15898 vrp_int_const_binop returning non-constant nodes.
15900 2006-01-16 Paul Brook <paul@codesourcery.com>
15902 * config/m68k/m68k.c (output_move_const_into_data_reg):
15903 Output correct mnemonic for mvz and mvs.
15905 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15907 * rtl-factoring.c: Add sequence abstraction algorithm.
15908 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15909 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15911 (block_has_preserve_label): New function.
15912 * common.opt: Register new pass.
15913 * Makefile.in: Ditto.
15915 * timevar.def: Ditto.
15916 * tree-pass.h: Ditto.
15917 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15918 * rtl.h (make_jump_insn_raw): Add forward decl.
15919 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15921 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15922 Roger Sayle <roger@eyesopen.com>
15924 * fold-const.c (fold_minmax): New static function.
15925 (fold_binary) <MIN_EXPR>: Call it.
15926 <MAX_EXPR>: Likewise.
15927 * stor-layout.c (place_field): Use DECL_SIZE consistently
15928 in the computation of the new record size.
15930 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15932 * cse.c (cse_condition_code_reg): Make it static.
15933 * rtl.h: Remove the prototype for cse_condition_code_reg.
15935 * combine.c (combine_instructions): Make it static.
15936 * rtl.h: Remove the prototype for combine_instructions.
15938 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15941 * tree.c (get_file_function_name_long): Concatenate the first global
15942 object name with a string derived from the input filename of the object
15945 2006-01-16 Ben Elliston <bje@au.ibm.com>
15947 * config/i386/winnt-stubs.c: Update FSF address.
15948 * config/xtensa/ieee754-df.S: Ditto.
15949 * config/xtensa/ieee754-sf.S: Ditto.
15951 2006-01-14 Ian Lance Taylor <ian@airs.com>
15953 * ifcvt.c (noce_init_if_info): New static function, broken out of
15954 noce_process_if_block.
15955 (noce_process_if_block): Call noce_init_if_info.
15956 (check_cond_move_block): New static function.
15957 (cond_move_process_if_block): New static function.
15958 (process_if_block): Call cond_move_process_if_block.
15960 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15962 * cselib.c (hash_table): Rename to cselib_hash_table.
15963 (cselib_clear_table, discard_useless_values,
15964 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15965 cselib_init, cselib_finish): Adjust uses of hash_table.
15967 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15969 PR tree-optimization/25485
15970 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15971 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15972 is known to be false and true, respectively.
15974 2006-01-14 Richard Guenther <rguenther@suse.de>
15976 PR tree-optimization/22548
15977 PR tree-optimization/22555
15978 PR tree-optimization/22501
15979 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15980 * params.def (salias-max-array-elements): New parameter.
15981 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15982 * doc/invoke.texi (salias-max-array-elements): Document.
15983 * tree-flow-inline.h (var_can_have_subvars): We also handle
15985 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15987 * tree-ssa-structalias.c (params.h): Include.
15988 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15989 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15990 (get_constraint_for): For ADDR_EXPR operating on something
15991 containing an ARRAY_REF, add all subvars to the solution.
15992 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15993 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15994 for creating MUST_DEFs.
15995 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15997 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15999 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16001 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16002 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16003 number_of_iterations_le): New functions.
16004 (number_of_iterations_special): Removed.
16005 (number_of_iterations_exit): Do not use number_of_iterations_special.
16006 * tree.c (unsigned_type_for): Always return integer type.
16008 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16009 Richard Guenther <rguenther@suse.de>
16011 PR rtl-optimization/24257
16012 * gcse.c (find_moveable_store): Only consider a store movable
16013 when the SET_SRC of the insn can be assigned to a register.
16015 2006-01-14 Ian Lance Taylor <ian@airs.com>
16017 * tree.c (tree_not_class_check_failed): New function.
16018 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16019 (tree_not_class_check_failed): Declare.
16021 2006-01-13 Ian Lance Taylor <ian@airs.com>
16023 * reload1.c (do_output_reload): Add assertion rejecting a
16026 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16028 * combine.c (struct reg_stat): Add new fields truncation_label and
16030 (record_value_for_reg): Reset truncated_to_mode.
16031 (record_truncated_value): New function.
16032 (check_promoted_subreg): Call it. Rename to check_conversions.
16033 (combine_instructions): Rename check_promoted_subreg to
16035 (reg_truncated_to_mode): New function.
16036 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16037 (gen_lowpart_or_truncate): New function.
16038 (force_to_mode): Use it instead of gen_lowpart.
16040 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16042 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16043 VAR is a tag, not its type tag.
16045 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16047 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16048 alternatives to match style of other entries.
16049 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16051 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16053 PR tree-optimization/25771
16054 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16057 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16060 * tree-inline.c (declare_return_variable): If the return variable
16061 was marked as a non gimple complex, set the return slot variable
16062 to be a non gimple comple variable.
16064 2006-01-13 Richard Guenther <rguenther@suse.de>
16066 * builtins.c (expand_builtin_sincos): New function.
16067 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16069 (expand_builtin): Expand sincos using expand_builtin_sincos.
16071 2006-01-12 DJ Delorie <dj@redhat.com>
16073 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16074 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16075 so that constant shifts can be split.
16076 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16077 (m32c_valid_pointer_mode): Make static.
16078 (shift_gen_func_for): New.
16079 (m32c_prepare_shift): Use it. Split large const shifts into
16081 * config/m32c/predicates.md (shiftcount_operand): Allow more
16083 (longshiftcount_operand): New.
16084 * doc/md.texi (Machine Constraints): Document In6.
16086 2006-01-13 Ben Elliston <bje@au.ibm.com>
16088 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16089 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16092 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16094 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16095 to try to avoid clobbering pieces of structures when we know
16096 something about the whole structure.
16097 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16099 2006-01-13 Ben Elliston <bje@au.ibm.com>
16101 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16102 return in memory, as this is no limitation is no longer present.
16104 2006-01-12 DJ Delorie <dj@redhat.com>
16106 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16107 mova with fb, and for fb+0 -> An.
16109 * config/m32c/mov.md (peephole2): Fix enabling logic.
16111 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16112 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16113 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16114 FINI_ARRAY_SECTION_ASM_OP): Define.
16116 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16118 (m32c_legitimize_reload_address): New logic to reload FB to An.
16119 (m32c_output_reg_push): Add newline.
16120 (m32c_output_reg_pop): Likewise.
16122 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16124 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16126 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16128 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16130 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16132 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16135 2006-01-11 Ben Elliston <bje@au.ibm.com>
16137 * rtlanal.c (find_reg_note): Assert insn is not null.
16139 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16141 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16144 2006-01-11 Jeff Law <law@redhat.com>
16146 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16148 (mark_threaded_blocks, register_jump_thread): New functions.
16149 (thread_through_all_blocks): Remove unwanted argument. No
16150 longer rely on e->aux to communicate thread target info.
16151 Call mark_threaded_blocks. Release the threaded_blocks
16152 bitmap and threaded_edges vector when complete.
16153 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16154 (threaded_blocks): Remove.
16155 (tree_ssa_dominator_optimize): Remove initialization and
16156 finalization of threaded_blocks. Simplify call to
16157 thread_through_all_blocks.
16158 (thread_across_edge): Call register_jump_thread rather than
16159 storing thread information into e->aux.
16160 (free_all_edge_infos): Simplify now that e->aux is no longer
16161 used to communicate with thread_through_all_blocks.
16162 * tree-flow.h (thread_through_all_blocks): Update prototype.
16163 (register_jump_thread): Prototype.
16165 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16167 * df-core.c (df_compact_blocks, df_bb_replace): Use
16168 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16170 2006-01-11 Richard Guenther <rguenther@suse.de>
16172 PR tree-optimization/25734
16173 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16174 stop propagation after successful propagation to the LHS.
16176 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16178 * basic-block.h (control_flow_graph): Change the type of
16179 x_basic_block_info to VEC(basic_block,gc) *.
16180 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16182 (SET_BASIC_BLOCK): New.
16183 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16184 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16185 * cfgbuild.c (find_basic_blocks): Likewise.
16186 * cfglayout.c (fixup_reorder_chain): Likewise.
16187 * cfgrtl.c (create_basic_block_structure,
16188 rtl_create_basic_block): Likewise.
16189 * ifcvt.c (find_if_case_1): Likewise.
16190 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16193 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16195 * Makefile.in: Removed rotted odf.c entry.
16197 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16200 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16201 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16202 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16203 output pattern modifier, not %e.
16204 * config/cris/cris.c (cris_op_str): Update comment about pattern
16206 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16207 before falling through into...
16208 <case 'E'>: Redefined from old 'e' case.
16210 2006-01-11 Jan Hubicka <jh@suse.cz>
16213 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16215 2006-01-11 Jan Hubicka <jh@suse.cz>
16217 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16218 * i386.c (x86_decompose_lea): Kill.
16219 (ix86_rtx_costs): Kill.
16221 2006-01-11 Jan Hubicka <jh@suse.cz>
16223 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16224 * cgraph.h (cgraph_node): Add inline_decl.
16225 (cgraph_insert_node_to_hashtable): Declare.
16226 (save_inline_function_body): Declare.
16227 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16229 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16230 (cgraph_function_versioning): Update call of tree_function_versioning.
16231 (save_inline_function_body): New function.
16232 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16233 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16234 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16235 (cgraph_default_inline_p): Likewise.
16236 (cgraph_decide_inlining_incrementally): Likewise.
16237 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16238 (copy_bb): Kill saving; do updating of clones.
16239 (copy_cfg_body): Kill saving.
16240 (initialize_inlined-parameters): Likewise.
16241 (expand_call_inline): Likewise.
16243 (tree_function_versioning): New parameter "update_clones".
16244 (inlining_p): Kill saving.
16245 * tree-inline.h (tree_function_versioning): Update prototype.
16246 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16249 2006-01-11 Ian Lance Taylor <ian@airs.com>
16251 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16252 Allow undoing set of machine mode.
16253 (do_SUBST): Use enums instead of is_int.
16254 (do_SUBST_MODE): New function.
16255 (SUBST_MODE): New macro.
16256 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16257 reg and trying to replace reg_regno_rtx with a new register.
16258 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16259 (simplify_set): Use SUBST_MODE.
16260 (distribute_notes): Remove code that tried to update reg notes
16261 for regno_reg_rtx changes.
16263 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16265 PR tree-optimization/23109
16266 PR tree-optimization/23948
16267 PR tree-optimization/24123
16269 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16270 * tree-cfg.c (single_noncomplex_succ): New.
16271 * tree-flow.h (single_noncomplex_succ): Declare it.
16272 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16273 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16274 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16275 insert_bb, register_division_in, insert_reciprocals,
16276 replace_reciprocal, free_bb): New.
16277 (execute_cse_reciprocals_1): Rewritten.
16278 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16279 Do not commit any edge insertion. Always compute dominators and
16280 create the allocation pool.
16281 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16282 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16283 * targhooks.c (default_min_divistions_for_recip_mul): New.
16284 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16285 * passes.c (init_optimization_passes): Run recip after tree loop
16287 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16289 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16290 Kenneth Zadeck <zadeck@naturalbridge.com>
16292 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16293 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16294 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16295 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16296 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16297 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16298 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16299 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16300 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16301 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16302 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16303 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16304 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16305 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16306 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16307 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16308 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16309 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16310 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16311 DF_SCAN_POST_ALLOC): New macros.
16312 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16313 df_free_bb_function, df_local_compute_function, df_init_function,
16314 df_dataflow_function, df_confluence_function_0,
16315 df_confluence_function_n, df_transfer_function,
16316 df_finalizer_function, df_free_function, df_dump_problem_function,
16317 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16318 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16319 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16320 df_urec_bb_info, ) New types.
16321 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16323 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16324 df_analyze_simple_change_some_blocks,
16325 df_analyze_simple_change_one_block, df_compact_blocks,
16326 df_bb_replace, df_bb_regno_last_use_find,
16327 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16328 df_insn_regno_def_p, df_find_def, df_find_use,
16329 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16330 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16331 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16332 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16333 debug_df_chain, df_get_dependent_problem, df_chain_create,
16334 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16335 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16336 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16337 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16338 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16339 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16340 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16341 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16342 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16343 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16344 df_reorganize_refs, df_set_state, df_hard_reg_init,
16345 df_read_modify_subreg_p) New public functions.
16346 * df-core.c: The core dataflow solver and glue routines for rtl
16348 (df_init, df_add_problem, df_set_blocks, df_finish,
16349 df_hybrid_search_forward, df_hybrid_search_backward,
16350 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16351 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16352 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16353 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16354 df_reg_defined, df_find_use, df_reg_used, df_dump,
16355 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16356 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16357 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16358 debug_df_useno, reset_df_after_reload): New functions.
16359 * df-scan.c: The scanning fuctions, once in df.c, completely
16360 rewritten so that they now fully model the functionality of
16361 register usage at the backend.
16362 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16363 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16364 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16365 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16366 df_get_artificial_defs, df_get_artificial_uses,
16367 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16368 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16369 df_refs_delete, df_reorganize_refs, df_set_state,
16370 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16371 df_def_record_1, df_defs_record, df_uses_record,
16372 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16373 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16374 df_record_exit_block_uses, df_hard_reg_init): New functions.
16376 * df-problems.c: Seven concrete dataflow problems that use the
16377 scanning in df-scan.c and are solved by the engine in df-core.c.
16378 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16379 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16380 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16381 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16382 df_ru_free_bb_info, df_ru_alloc,
16383 df_ru_bb_local_compute_process_def,
16384 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16385 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16386 df_ru_transfer_function, df_ru_free, df_ru_dump,
16387 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16388 df_rd_free_bb_info, df_rd_alloc,
16389 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16390 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16391 df_rd_transfer_function, df_rd_free, df_rd_dump,
16392 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16393 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16394 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16395 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16396 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16397 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16398 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16399 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16400 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16401 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16402 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16403 df_urec_mark_reg_use_for_earlyclobber,
16404 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16405 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16406 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16407 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16408 df_chain_create_bb_process_use, df_chain_create_bb,
16409 df_chain_finalize, df_chain_free, df_chains_dump,
16410 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16411 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16412 df_reg_lifetime): New functions.
16413 * df.c: Deleted file.
16414 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16415 consistent with new df api.
16416 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16417 rest_of_handle_sms): Ditto.
16418 * web.c (unionfind_union, union_defs, entry_register, web_main):
16420 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16421 invariant_expr_equal_p, find_defs, check_dependencies,
16422 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16423 free_inv_motion_data, move_loop_invariants): Ditto.
16424 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16425 Update dependencies.
16426 (odf.c): Added defective entry that was deleted later in day.
16427 * sched-deps.c (sched_analyze_1): Ditto.
16429 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16431 * tree-ssa-operands.c (get_expr_operands): Record addressable
16432 variables directly. Do not call add_stmt_operands for CONST_DECLs
16434 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16435 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16437 2006-01-11 Ben Elliston <bje@au.ibm.com>
16439 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16440 function returns true in the positive case.
16442 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16445 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16446 for SI, DI, SF and DF modes. Add alternatives to copy between
16447 general and floating point registers to the 32-bit patterns.
16448 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16449 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16450 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16451 generating 64-bit code.
16452 * config/pa/pa.c (output_move_double): Handle copies between general
16453 and floating registers.
16455 2006-01-10 Stuart Hastings <stuart@apple.com>
16457 * config/i386/i386.md (set_got): Update.
16458 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16459 (builtin_setjmp_receiver): Mach-O support.
16460 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16461 (GOT_SYMBOL_NAME): Define.
16462 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16463 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16464 * config/i386/i386.c (override_options): Revise for Darwin.
16465 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16466 support. (darwin_x86_file_end): New. (output_set_got): Add label
16467 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16468 * config/i386/i386-protos.h (output_set_got): Likewise.
16469 * config/darwin.c (machopic_legitimize_pic_address): Update
16472 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16474 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16475 when MODE isn't BLKmode.
16477 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16479 PR rtl-optimization/25367
16480 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16482 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16485 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16486 for a negative bound.
16488 2006-01-10 Richard Guenther <rguenther@suse.de>
16490 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16491 Never override with anything constraint.
16493 2006-01-10 Jan Beulich <jbeulich@novell.com>
16495 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16496 256 bits when optimize_size.
16498 2006-01-10 Jan Beulich <jbeulich@novell.com>
16500 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16502 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16503 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16506 2006-01-10 Ben Elliston <bje@au.ibm.com>
16508 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16510 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16511 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16512 (USE_FP_FOR_ARG): Reject decimal float modes.
16513 (function_arg_advance): Likewise.
16514 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16515 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16516 point types in AltiVec vectors.
16517 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16518 (rs6000_libcall_value): Likewise.
16520 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16522 * config/xtensa/ieee754-df.S: New file.
16523 * config/xtensa/ieee754-sf.S: New file.
16524 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16525 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16526 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16528 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16530 * config/sh/predicates.md (binary_float_operator,
16531 binary_logical_operator, commutative_float_operator,
16532 equality_comparison_operator, greater_comparison_operator,
16533 less_comparison_operator, logical_operator,
16534 noncommutative_float_operator, shift_operator,
16535 symbol_ref_operand, unary_float_operator): Remove redundant
16538 2006-01-09 Jeff Law <law@redhat.com>
16540 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16541 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16542 now unused arguments. Callers updated.
16543 (eliminate_redundant_computations): Remove now unused arguments,
16545 (local_fold): Remove, no longer used.
16546 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16548 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16549 (simplify_cond): New function.
16550 (forward_propagate_into_cond): Call simplify_cond.
16552 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16554 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16555 (*vec_extractv2di_1_sse): New.
16557 2006-01-09 Ben Elliston <bje@au.ibm.com>
16559 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16561 2006-01-08 Richard Guenther <rguenther@suse.de>
16563 * tree-ssa-structalias.c (get_constraint_for): Remove
16564 anyoffset argument.
16565 (get_constraint_for_component_ref): Likewise.
16566 (do_deref): Likewise.
16567 (get_constraint_for): Likewise.
16568 (do_structure_copy): Likewise.
16569 (handle_ptr_arith): Likewise.
16570 (find_func_aliases): Likewise. Remove unused need_anyoffset
16573 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16574 Kaz Kojima <kkojima@gcc.gnu.org>
16576 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16577 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16578 (EXTRA_CONSTRAINT_C16): Remove.
16579 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16580 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16581 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16582 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16583 constants of SHmedia. Handle nested constant expressions of
16585 (andcosts): Fix the costs for SHmedia constants.
16586 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16587 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16588 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16589 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16590 (movv4hi_i, movv2si_i): Likewise.
16591 (movsi_const): Adjust the second operand of ior so to match with
16592 the Csu constraint.
16593 (movdi_const, movdi_const_32bit): Likewise.
16594 (movdi_const_16bit+1): Don't sign-extend LOW.
16595 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16597 (*double_shori): Fix the split condition. Use GEN_INT instead
16598 of get_int_mode calls. Mask lower 16-bit of the argument of
16600 (sym2GOTPLT): Remove.
16601 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16603 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16604 instead of EXTRA_CONSTRAINT_C16.
16606 2006-01-07 Ian Lance Taylor <ian@airs.com>
16607 David Edelsohn <edelsohn@gnu.org>
16609 PR rtl-optimization/25662
16610 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16611 for constant operands instead of simplify_gen_binary.
16612 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16613 after trying simplify_binary_operation
16615 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16617 * tree.c (iterative_hash_expr): Hash decls based on UID.
16619 2006-01-06 Eric Christopher <echristo@apple.com>
16621 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16622 (TARGET_UNWIND_EMIT): Fix spelling.
16623 * target.h (gcc_target): Add except_table_label.
16624 * except.c (output_function_exception_table): Use.
16625 * varasm.c (default_emit_except_table_label): New.
16626 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16628 (asm_out): Add here.
16629 * output.h (default_emit_except_table_label): Prototype.
16630 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16631 * config/darwin.c (darwin_emit_except_table_label): Define.
16632 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16634 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16636 PR tree-optimization/18527
16637 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16638 number_of_iterations_special, number_of_iterations_exit):
16639 Move base and step of an iv to a single structure. Add
16640 no_overflow flag, and use it in # of iterations analysis.
16641 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16642 folded_casts argument.
16643 (simple_iv): Pass base and step in a structure. Set no_overflow
16645 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16646 Evaluate expensiveness of computing # of iterations instead of
16647 the final expression.
16648 * tree-scalar-evolution.h (affine_iv): New structure.
16649 (simple_iv): Declaration changed.
16650 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16651 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16652 find_givs_in_stmt): Changed due to simple_iv change.
16654 2006-01-06 Jeff Law <law@redhat.com>
16657 * tree-cfg.c (bsi_replace): Rename final argument from
16658 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16659 change (stmt -> orig_stmt).
16660 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16661 (bsi_remove): Add new argument. Remove EH information
16663 (verify_eh_throw_table_statements): New function.
16664 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16666 * tree-optimize.c (execute_free_cfg_annotations): Verify
16667 the EH throw statement table after removing annotations.
16668 * except.h (verify_eh_throw_table_statements): Prototype.
16669 * tree-flow.h (bsi_remove): Update prototype.
16670 * tree-vrp.c (remove_range_assertions): Add new argument to
16672 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16673 * tree-complex.c (expand_complex_div_wide): Likewise.
16674 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16675 * tree-tailcall.c (eliminate_tailcall): Likewise.
16676 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16677 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16678 * tree-nrv.c (tree_nrv): Likewise.
16679 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16680 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16681 (combine_blocks): Likewise.
16682 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16683 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16684 (cleanup_control_flow): Likewise.
16685 (remove_forwarder_block): Likewise.
16686 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16687 * tree-sra.c (sra_replace): Likewise.
16688 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16689 (forward_propagate_single_use_vars): Likewise.
16690 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16691 * tree-inline.c (expand_call_inline): Likewise.
16692 * tree-vect-transform.c (vect_transform_loop): Likewise.
16693 * tree-outof-ssa.c (rewrite_trees): Likewise.
16694 * tree-cfg.c (make_goto_expr_edges): Likewise.
16695 (cleanup_dead_labels): Likewise.
16696 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16697 (bsi_move_before, bsi_move_after): Likewise.
16698 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16699 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16701 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16704 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16706 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16707 on non gimple variables. Also add checks at the top for decls and
16709 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16711 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16712 and IMAGPART_EXPR for creating MUST_DEFs.
16713 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16714 and NAME_MEMORY_TAG separately from the DECLs.
16716 2006-01-06 Richard Guenther <rguenther@suse.de>
16718 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16719 annotation, if necessary.
16720 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16721 redundant calls to update_stmt.
16722 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16725 2006-01-05 Richard Henderson <rth@redhat.com>
16727 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16729 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16731 * c-typeck.c: Update copyright date.
16733 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16735 * c-typeck.c (build_c_cast): Always warn when casting
16736 from a pointer to an integer of different size, even if
16737 the node was constant.
16739 2006-01-05 Richard Guenther <rguenther@suse.de>
16741 PR tree-optimization/22555
16742 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16743 if one structure field is an array.
16744 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16745 operands even if we found a subvar, but ignore VOPs in this
16747 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16749 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16751 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16753 PR middle-end/24998
16754 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16756 2006-01-05 Richard Guenther <rguenther@suse.de>
16757 Diego Novillo <dnovillo@redhat.com>
16759 * tree-pass.h (TODO_remove_unused_locals): Define.
16760 * gimple-low.c (expand_var_p, remove_useless_vars,
16761 pass_remove_useless_vars): Remove. Update all users.
16762 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16763 (remove_unused_locals): New function.
16764 * tree-flow.h (remove_unused_locals): Declare.
16765 * passes.c (execute_todo): Call remove_unused_locals if
16766 TODO_remove_unused_locals is set.
16767 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16768 * tree-ssa-dce.c (pass_dce): Likewise.
16769 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16771 2006-01-05 Richard Guenther <rguenther@suse.de>
16773 * tree-flow.h (struct fieldoff): Decompose field to
16774 type, size and decl.
16775 * tree-ssa-alias.c (create_sft): Take type as parameter.
16776 (create_overlap_variables_for): Store type, size and decl
16777 in the fieldoff structure.
16778 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16779 of struct fieldoff.
16780 (push_fields_onto_fieldstack): Likewise.
16781 (create_variable_info_for): Likewise. Use offset for the
16782 SFT name if the decl is not available.
16784 2006-01-04 Paul Brook <paul@codesourcery.com>
16786 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16788 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16790 * lambda-code.c (can_put_in_inner_loop): Relax
16792 (can_put_after_inner_loop): New function.
16793 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16794 (perfect_nestify): Change to make copies and modify uses.
16796 2006-01-04 Richard Henderson <rth@redhat.com>
16798 Merge from gomp branch:
16799 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16800 via integer constant.
16801 (pragma_lex): Remove.
16802 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16803 rather than parsing it.
16804 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16805 handle_pragma_extern_prefix): Add %< %> quotes.
16806 (registered_pragmas): New.
16807 (c_register_pragma_1): New.
16808 (c_register_pragma): Use it.
16809 (c_register_pragma_with_expansion): Likewise.
16810 (c_invoke_pragma_handler): New.
16811 (init_pragma): Use cpp_register_deferred_pragma directly for
16813 * c-pragma.h (enum pragma_kind): New.
16814 (pragma_handler): New.
16815 (c_invoke_pragma_handler): Declare.
16816 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16818 * c-common.h (c_common_pch_pragma): Update decl.
16819 * Makefile.in (c-parser.o): Update dependencies.
16820 (GTFILES): Add c-pragma.h.
16821 * c-parser.c (struct c_token): Add pragma_kind.
16822 (struct c_parser): Add in_pragma.
16823 (c_lex_one_token): Always initialize keyword and pragma_kind.
16824 Extract data for CPP_PRAGMA.
16825 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16826 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16827 Don't allow CPP_PRAGMA_EOL if in_pragma.
16828 (c_parser_consume_pragma): New.
16829 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16830 (c_parser_skip_to_end_of_parameter): Likewise.
16831 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16832 (c_parser_skip_to_pragma_eol): New.
16833 (c_parser_external_declaration): Handle CPP_PRAGMA.
16834 (c_parser_compound_statement_nostart): Likewise.
16835 (c_parser_statement_after_labels): Likewise.
16836 (c_parser_pragma): New.
16837 (pragma_lex): Likewise.
16838 (c_parser_pragma_pch_preprocess): New.
16839 (c_parser_new): Merge into ...
16840 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16842 2006-01-04 Jeff Law <law@redhat.com>
16845 * tree-cfg.c (bsi_replace): Remove the original statement
16846 from the EH throw statement table.
16848 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16850 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16851 make the prototype extern "C" and add throw ().
16854 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16855 and pos non-negative and pos + len <= 32.
16856 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16857 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16858 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16861 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16862 as well as sizes not multiple of component size.
16865 * function.c (instantiate_expr): New function.
16866 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16867 walk its DECL_VALUE_EXPR with instantiate_expr.
16869 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16870 DW_OP_deref{,_size} if address isn't going to be added.
16872 2006-01-04 Ben Elliston <bje@au.ibm.com>
16874 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16875 * config/fp-bit.c: Likewise.
16877 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16879 * dominance.c: Add comment about why we use DFS numbering
16882 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16883 Richard Henderson <rth@redhat.com>
16885 Merge from gomp-branch:
16886 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16887 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16889 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16891 PR rtl-optimization/25578
16892 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16893 pass a parameter to simplify_shift_const if changing ASHIFTRT
16896 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16898 * builtins.c (get_builtin_sync_mem): New function.
16899 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16900 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16901 Call get_builtin_sync_mem to generate mem rtx.
16903 2006-01-03 Richard Guenther <rguenther@suse.de>
16906 * stmt.c (add_case_node): Make sure to clear overflow flags
16909 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16911 Merge from gomp-branch.
16912 * config/sparc/sync.md: New file.
16913 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16914 UNSPECV_LDSTUB): New constants.
16915 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16916 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16917 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16920 2006-01-03 Roger Sayle <roger@eyesopen.com>
16922 * combine.c (reg_subword_p): New predicate to test whether the
16923 destination of a set refers to a subword/piece of a register.
16924 (try_combine): Generalize the code to merge the setting of a
16925 pseudo to a constant followed by a set of a subword of that
16926 register to a constant.
16928 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16930 * basic-block.h (control_flow_graph): Change the type of
16931 x_label_to_block_map to VEC(basic_block,gc) *.
16932 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16933 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16935 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16936 VEC(basic_block,heap) *.
16937 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16938 ssa_prop_fini): Adjust the uses of cfg_blocks.
16940 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16942 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16944 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16945 hashing trees instead of a pointer hash.
16946 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16947 compare for MEM_EXPR.
16949 PR rtl-optimization/25130
16950 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16951 when comparing MEMs for GCSE
16953 2006-01-03 Ben Elliston <bje@au.ibm.com>
16955 * targhooks.h (default_decimal_float_supported_p): Declare.
16956 * targhooks.c (default_decimal_float_supported_p): Define.
16957 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16958 `default_decimal_float_supported_p'.
16959 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16961 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16963 * combine.c (apply_distributive_law <SUBREG>): Check
16964 TRULY_NOOP_TRUNCATION.
16966 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16968 * dwarf2out.c (have_switched_text_section): Delete.
16969 (have_multiple_function_sections): New.
16970 (have_location_lists): Make 'bool'.
16971 (add_AT_loc_list): Use 'true' not '1'.
16972 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16973 (output_loc_list): Use have_multiple_function_sections.
16974 (output_ranges): Likewise.
16975 (dwarf2out_begin_function): Set have_multiple_function_sections if
16977 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16978 Check function_section rather than DECL_SECTION_NAME.
16979 (dwarf2out_finish): Use have_multiple_function_sections.
16980 Don't clear have_location_lists.
16982 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16983 Jan Hubicka <jh@suse.cz>
16985 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16986 case of conditional jump jumping to the next instruction.
16987 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16988 cases of conditional jump jumping to the next instruction.
16990 2006-01-02 Jan Hubicka <jh@suse.cz>
16992 * i386.c (*_cost): Add COSTS_N_INSNS.
16993 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16995 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16998 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17000 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17002 * config/arm/arm.c (all_fpus): Fix comment typo.
17003 * config/darwin.c: Likewise.
17004 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17005 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17006 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17008 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17010 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17011 (rs6000_split_compare_and_swapqhi): New.
17012 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17013 (sync_compare_and_swapqhi_internal): New.
17014 * config/rs6000/rs6000-protos.h: Declare.