1 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
5 2006-10-31 Geoffrey Keating <geoffk@apple.com>
8 * c-decl.c (start_struct): Don't create self-containing
10 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
12 * config/rs6000/rs6000-protos.h
13 (darwin_rs6000_special_round_type_align): New.
14 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
15 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
17 2006-10-31 Geoffrey Keating <geoffk@apple.com>
19 * toplev.c (compile_file): Call final_write_globals
20 even if there have been errors.
22 2006-10-31 Eric Christopher <echristo@apple.com>
23 Falk Hueffner <falk@debian.org>
25 * doc/extend.texi (__builtin_bswap32): Document.
26 (__builtin_bswap64): Ditto.
27 * doc/libgcc.texi (bswapsi2): Document.
29 * doc/rtl.texi (bswap): Document.
30 * optabs.c (expand_unop): Don't widen a bswap.
31 (init_optabs): Init bswap. Set libfuncs explicitly
32 for bswapsi2 and bswapdi2.
33 * optabs.h (OTI_bswap): New.
35 * genopinit.c (optabs): Handle bswap_optab.
36 * tree.h (tree_index): Add TI_UINT32_TYPE and
38 (uint32_type_node): New.
39 (uint64_type_node): Ditto.
40 * tree.c (build_common_tree_nodes_2): Initialize
41 uint32_type_node and uint64_type_node.
42 * builtins.c (expand_builtin_bswap): New.
43 (expand_builtin): Call.
44 (fold_builtin_bswap): New.
45 (fold_builtin_1): Call.
46 * fold-const.c (tree_expr_nonnegative_p): Return true
48 * builtin-types.def (BT_UINT32): New.
50 (BT_FN_UINT32_UINT32): Ditto.
51 (BT_FN_UINT64_UINT64): Ditto.
52 * builtins.def (BUILT_IN_BSWAP32): New.
53 (BUILT_IN_BSWAP64): Ditto.
54 * rtl.def (BSWAP): New.
55 * genattrtab.c (check_attr_value): New.
56 * libgcc2.c (__bswapSI2): New.
58 * libgcc2.h (__bswapSI2): Declare.
60 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
61 * simplify-rtx.c (simplify_const_unary_operation): Return
63 * libgcc-std.ver (__bwapsi2): Add.
65 * reload1.c (eliminate_regs_1): Add bswap.
66 (elimination_effects): Ditto.
67 * config/i386/i386.h (x86_bswap): New.
69 * config/i386/i386.c (x86_bswap): Set.
71 2006-10-31 Geoffrey Keating <geoffk@apple.com>
73 * coverage.c (coverage_checksum_string): Update comment.
74 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
75 of get_file_function_name.
76 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
77 of get_file_function_name_long.
78 * tree.c (get_file_function_name): Rename from
79 get_file_function_name_long; improve comment; handle 'I' and 'D'
80 specially when the target has ctor/dtor support; remove special
82 (get_file_function_name): Remove.
83 * tree.h (get_file_function_name): Rename from
84 get_file_function_name_long.
85 (get_file_function_name): Remove prototype.
87 2006-10-31 Geoffrey Keating <geoffk@apple.com>
89 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
90 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
92 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
93 Call dsymutil when compiling and linking one or more source files
96 2006-10-31 Geoffrey Keating <geoffk@apple.com>
99 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
101 2006-10-31 Geoffrey Keating <geoffk@apple.com>
103 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
104 inline static functions in c99 mode.
107 * doc/extend.texi (Inline): Update.
108 * c-tree.h (struct language_function): Remove field 'extern_inline'.
109 * c-decl.c (current_extern_inline): Delete.
110 (pop_scope): Adjust test for an undefined nested function.
111 Add warning about undeclared inline function.
112 (diagnose_mismatched_decls): Update comments. Disallow overriding
113 of inline functions in a translation unit in C99. Allow inline
114 declarations in C99 at any time.
115 (merge_decls): Boolize variables. Handle C99 'extern inline'
117 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
118 C99 inline semantics.
119 (start_function): Don't clear current_extern_inline. Don't set
121 (c_push_function_context): Don't push current_extern_inline.
122 (c_pop_function_context): Don't restore current_extern_inline.
125 * c-typeck.c (build_external_ref): Warn about static variables
126 used in extern inline functions.
127 * c-decl.c (start_decl): Warn about static variables declared
128 in extern inline functions.
130 2006-10-31 Roger Sayle <roger@eyesopen.com>
133 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
134 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
135 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
136 or y is an even integer.
138 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
141 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
142 * gthr-posix95.h (__gthread_active_p): Likewise.
144 2006-10-31 Richard Guenther <rguenther@suse.de>
146 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
147 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
148 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
149 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
150 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
151 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
152 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
153 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
156 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
158 * opts.c (decode_options): Disable CSE skip blocks.
160 2006-10-30 Dirk Mueller <dmueller@suse.de>
162 * c-common.h (strict_aliasing_warning): Fix whitespace.
163 * c-decl (start_function): Move code for main decl warning ..
164 * c-common.c (check_main_parameter_types): .. here.
165 * c-common.h (check_main_parameter_types): Declare.
167 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
170 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
172 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
174 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
175 be a PARALLEL containing sets. Return false when out_pat is not
178 2006-10-30 Richard Sandiford <richard@codesourcery.com>
180 * config/mips/mips.md (mul<mode>3): Split into...
181 (mulsi3, muldi3): ...these separate patterns.
183 2006-10-30 Richard Sandiford <richard@codesourcery.com>
185 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
186 but with each set of options separated by spaces.
188 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
190 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
191 dwarf_reg_size_table has been initialized.
193 2006-10-30 Roger Sayle <roger@eyesopen.com>
195 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
196 * ddg.c (print_ddg_edge): Likewise.
197 * dwarf2out.c (prune_unused_types_walk): Likewise.
198 * ifcvt.c (noce_try_cmove_arith): Likewise.
199 * langhooks.c (add_builtin_function): Likewise.
200 * reg-stack.c (subst_stack_regs_pat): Likewise.
201 * tree.c (expanded_location): Likewise.
202 * tree-dump.c (dequeue_and_dump): Likewise.
204 2006-10-30 David Daney <ddaney@avtrex.com>
206 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
208 2006-10-30 Jakub Jelinek <jakub@redhat.com>
210 PR tree-optimization/29637
211 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
212 of the innertype is the innertype itself.
214 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
216 * dwarf2out.c (file_name_acquire): Correct typo.
218 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
220 * tree.h (tree_value_handle): Remove struct value_set declaration.
221 Change value_set to bitmap_set.
222 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
223 * tree-vn.c (get_value_handle): Made inline and moved to
225 * tree-flow-inline.h: (has_stmt_ann): New function.
226 * tree-ssa-pre.c (expressions): New variable.
227 (next_expression_id): Ditto.
228 (alloc_expression_id): New function.
229 (struct value_set): Remove.
230 (get_expression_id): New function.
231 (get_or_alloc_expression_id): Ditto.
232 (expression_for_id): Ditto.
233 (clear_expression_ids): Ditto.
234 (FOR_EACH_EXPR_ID_IN_SET): New macro.
235 (bb_value_sets): Renamed to bb_bitmap_sets.
236 All value sets replaced with bitmap_sets.
238 (BB_VISITED): New macro.
239 (postorder): New variable.
240 (add_to_value): Removed.
241 (value_exists_in_set_bitmap): Ditto.
242 (value_insert_into_set_bitmap): Ditto.
246 (set_contains_value): Ditto.
247 (insert_into_set): Ditto.
249 (find_leader): Ditto.
250 (bitmap_set_subtract_from_value_set): Ditto.
251 (value_insert_into_set): Ditto.
252 (print_value_set): Ditto.
253 (debug_value_set): Ditto.
254 (constant_expr_p): New function.
255 (bitmap_remove_from_set): Ditto.
256 (bitmap_insert_into_set): Ditto.
257 (bitmap_set_free): Ditto.
259 (sorted_array_from_bitmap_set): Ditto.
260 (bitmap_set_subtract): Ditto.
261 (bitmap_set_equal): Ditto.
262 (debug_bitmap_set): Ditto.
263 (find_leader_in_sets): Ditto.
264 (bitmap_set_replace_value): Modify for bitmapped sets.
265 (phi_translate): Ditto.
266 (phi_translate_set): Ditto.
267 (bitmap_find_leader): Ditto.
268 (valid_in_sets): Ditto.
269 (union_contains_value): Ditto.
271 (compute_antic_aux): Ditto. Mark changed blocks.
272 (compute_antic): Ditto. Iterate in postorder and only over
274 (compute_rvuse_and_antic_safe): Reuse postorder.
275 (create_component_ref_by_pieces): Modify for bitmapped sets.
276 (find_or_generate_expression): Ditto.
277 (create_expression_by_pieces): Ditto.
278 (insert_into_preds_of_block): Ditto.
279 (changed_blocks): New variable.
280 (do_regular_insertion): Broken out from insert_aux.
281 (insert_aux): Modified for bitmapped sets.
282 (find_existing_value_expr): New function.
283 (create_value_expr_from): Use it.
284 (insert_extra_phis): Removed.
285 (print_bitmap_set): Renamed from bitmap_print_value_set.
286 (compute_avail): Handle RETURN_EXPR.
287 (init_pre): Modify for bitmapped sets.
288 * tree-flow.h (has_stmt_ann): New function.
290 2006-10-29 Roger Sayle <roger@eyesopen.com>
292 * builtins.c (fold_builtin_floor): Check for the availability of
293 the C99 trunc function before transforming floor into trunc.
295 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
297 * builtins.c (fold_builtin_hypot): Rearrange recursive
298 transformation before others, and also do ABS_EXPR. When
299 necessary, check flag_unsafe_math_optimizations. When necessary,
302 2006-10-29 Roger Sayle <roger@eyesopen.com>
304 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
305 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
306 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
307 Fold -X eq/ne -Y as X eq/ne Y.
309 2006-10-29 Richard Sandiford <richard@codesourcery.com>
311 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
312 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
313 rather than GENERATE_MULT3_SI in the various define_peephole2s.
314 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
315 Use an inclusive test for "mult" rather than "mul".
316 (rotr<mode>3): Depend on ISA_HAS_ROR.
317 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
319 (GENERATE_MULT3_DI): Delete.
320 (ISA_HAS_64BIT_REGS): Use consistent formatting.
321 (ISA_HAS_MUL3): New macro.
322 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
323 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
324 (ISA_HAS_CLZ_CLO): Likewise.
325 (ISA_HAS_DCLZ_DCLO): Delete.
326 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
327 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
328 the VR4120 and VR4130.
329 (ISA_HAS_MACCHI): Use consistent formatting.
330 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
331 (ISA_HAS_ROR): ...this new macro.
332 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
333 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
334 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
336 2006-10-29 Roger Sayle <roger@eyesopen.com>
338 PR tree-optimization/15458
339 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
342 2006-10-29 Richard Guenther <rguenther@suse.de>
344 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
345 (ix86_expand_truncdf_32): Likewise.
346 * config/i386/i386.c (ix86_expand_trunc): New function expanding
347 trunc inline for SSE math and -fno-trapping-math and if not
349 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
350 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
351 for expanding btrunc inline for SSE math.
353 2006-10-29 Joseph Myers <joseph@codesourcery.com>
355 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
356 Handle tuning for bi-arch i[34567]86-*-linux* like that for
357 i[34567]86-*-solaris2.1[0-9]*.
358 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
359 Define conditionally depending on TARGET_64BIT_DEFAULT.
360 (SPEC_32, SPEC_64): Define.
361 (LINK_SPEC): Use them.
362 * doc/install.texi (--enable-targets=all): Document for x86-linux.
364 2006-10-29 Richard Guenther <rguenther@suse.de>
366 * config/i386/i386-protos.h (ix86_expand_round): Declare.
367 (ix86_expand_rounddf_32): Likewise.
368 * config/i386/i386.c (ix86_expand_round): New function expanding
369 round inline for SSE math and -fno-trapping-math and if not
371 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
372 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
373 round via ix86_expand_round.
375 2006-10-29 Richard Guenther <rguenther@suse.de>
377 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
378 (ix86_expand_floorceildf_32): Likewise.
379 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
380 static helper function.
381 (ix86_expand_floorceil): Expander for floor and ceil to SSE
383 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
384 * config/i386/i386.md (floordf2): Adjust to enable floor
385 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
386 -fno-trapping-math is enabled and if not optimizing for size.
387 (floorsf2, ceildf2, ceilsf2): Likewise.
388 * config/i386/sse.md (sse_maskcmpsf3): New insn.
389 (sse2_maskcmpdf3): Likewise.
391 2006-10-29 Richard Guenther <rguenther@suse.de>
393 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
394 rint in case -fno-trapping-math is enabled.
395 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
396 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
397 (ix86_expand_sse_fabs): Likewise.
398 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
399 * config/i386/i386.md (rintdf2): Enable for SSE math if
400 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
403 2006-10-29 Richard Guenther <rguenther@suse.de>
405 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
406 to conversion optabs.
407 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
409 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
410 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
411 (lfloor_optab, lceil_optab): Adjust defines.
412 * builtins.c (expand_builtin_int_roundingfn): Adjust for
413 lfloor and lceil optabs now being conversion optabs.
414 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
415 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
416 New static helper function.
417 (ix86_expand_lfloorceil): New function to expand lfloor and
419 * config/i386/i386.md (lfloor<mode>2): Split into ...
420 (lfloorxf<mode>2): ... x87 variant
421 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
422 using ix86_expand_lfloorceil.
423 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
425 * doc/md.texi (lfloorMN, lceilMN): Document.
427 2006-10-29 Richard Sandiford <richard@codesourcery.com>
429 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
430 -mno-shared assembler option on mips targets.
431 * configure, config.in: Regenerate.
432 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
433 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
434 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
436 2006-10-29 Richard Sandiford <richard@codesourcery.com>
438 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
439 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
441 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
443 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
444 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
447 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
450 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
451 (fold_builtin_pow): Evaluate constant arguments at compile-time
453 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
454 (do_mpfr_ckconv): New helper function.
455 (do_mpfr_arg1): Use do_mpfr_ckconv.
458 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
461 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
462 (-fdump-rtl-sched): Rename to ..
463 (-fdump-rtl-sched1): here. Also fix file extension number.
465 2006-10-28 Richard Guenther <rguenther@suse.de>
467 * fold-const.c (maybe_canonicalize_comparison): Fix code
470 2006-10-28 Uros Bizjak <uros@kss-loka.si>
472 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
473 (NON_QI_REG_P): Use IN_RANGE.
474 (REX_INT_REGNO_P): Use IN_RANGE.
475 (FP_REGNO_P): Use IN_RANGE.
476 (SSE_REGNO_P): Use IN_RANGE.
477 (REX_SSE_REGNO_P): Use IN_RANGE.
478 (MMX_REGNO_P): Use IN_RANGE.
479 (STACK_REGNO_P): New macro.
480 (STACK_REG_P): Use STACK_REGNO_P.
481 (NON_STACK_REG_P): Use STACK_REGNO_P.
482 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
483 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
484 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
485 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
486 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
488 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
490 * except.h (output_function_exception_table): Add 'const char*' param.
491 * except.c (switch_to_exception_section): Add 'const char*' param.
492 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
493 and flag_function_sections is set, use a function-specific section.
494 (output_function_exception_table): Add 'const char*' param.
495 Adjust call to switch_to_exception_section.
496 * final.c (rest_of_handle_final): Adjust calls to
497 output_function_exception_table.
498 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
499 * config.in: Regenerate.
500 * configure: Likewise.
502 2006-10-28 Richard Guenther <rguenther@suse.de>
505 * fold-const.c (maybe_canonicalize_comparison_1): Helper
506 for maybe_canonicalize_comparison.
507 (maybe_canonicalize_comparison): New function for canonicalizing
509 (fold_comparison): Call it to canonicalize comparisons with
512 2006-10-28 Richard Guenther <rguenther@suse.de>
515 * builtins.c (expand_builtin_int_roundingfn_2): Expand
516 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
517 (expand_builtin): Adjust likewise.
518 * genopinit.c (optabs[]): Add lround optab.
519 * optabs.c (init_optabs): Initialize lround_optab.
520 * optabs.h (enum convert_optab_index): Add COI_lround.
521 (lround_optab): Define.
522 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
523 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
525 (ix86_expand_lround): New function.
526 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
528 * doc/md.texi (lroundMN2): Document.
530 2006-10-28 Uros Bizjak <uros@kss-loka.si>
533 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
534 argument to HOST_WIDE_INT. Update function prototype.
535 (round_frame_size): Change return type to HOST_WIDE_INT. Change
536 "size" argument to HOST_WIDE_INT. Update function prototype.
538 2006-10-28 Uros Bizjak <uros@kss-loka.si>
540 * config/i386/i386.c (output_387_ffreep): Create output from a
541 template string for !HAVE_AS_IX86_FFREEP.
543 2006-10-27 Eric Christopher <echristo@apple.com>
545 * config/darwin.c: Fix formatting and grammar.
547 2006-10-27 Jan Hubicka <jh@suse.cz>
549 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
550 to be thrown away soon when IGNORE is set.
551 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
552 indicating when return value shall not be computed.
553 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
555 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
557 * config/i386/i386.h (TARGET_GEODE):
558 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
559 (TARGET_CPU_DEFAULT_geode): New macro.
560 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
561 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
562 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
563 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
564 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
566 (TARGET_CPU_DEFAULT_NAMES): Add geode.
567 (processor_type): Add PROCESSOR_GEODE.
569 * config/i386/i386.md: Include geode.md.
572 * config/i386/i386.c (geode_cost): New initialized global
574 (m_GEODE, m_K6_GEODE): New macros.
575 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
576 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
577 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
578 x86_schedule): Use m_K6_GEODE instead of m_K6.
579 (x86_movx, x86_cmove): Set up m_GEODE.
580 (x86_integer_DFmode_moves): Clear m_GEODE.
581 (processor_target_table): Add entry for geode.
582 (processor_alias_table): Ditto.
584 * config/i386/geode.md: New file.
586 * doc/invoke.texi: Add entry about geode processor.
588 2006-10-27 Mike Stump <mrs@apple.com>
590 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
591 __DYNAMIC__ from here back to ...
592 * config/darwin.h (CPP_SPEC): ... here.
594 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
595 Nathan Sidwell <nathan@codesourcery.com>
597 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
598 when choosing the minimum heapsize.
600 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
602 * gcc/unwind-dw2.h: Move cfa-related variables into
603 struct frame_state_reg_info to ensure that the CFA is properly
604 handled when executing DW_CFA_{remember,restore}_state.
605 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
606 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
607 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
608 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
609 gcc/config/rs6000/linux-unwind.h,
610 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
611 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
612 Modify to use new cfa_* fields.
614 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
616 * config/s390/s390.c (s390_init_frame_layout): Check positive
619 2006-10-26 Ben Elliston <bje@au.ibm.com>
621 * gimplify.c (get_name): Remove extraneous break.
622 (gimplify_omp_for): Initialise ret with GS_OK.
624 2006-10-25 Steve Ellcey <sje@cup.hp.com>
626 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
627 Add unix98.o to link line.
629 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
632 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
633 Calculate compile-time constants using MPFR.
634 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
635 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
637 2006-10-25 Bob Wilson <bob.wilson@acm.org>
639 * config/xtensa/lib2funcs.S: Use C-style comments.
641 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
643 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
644 (file_table_relative_p): Likewise.
645 (dwarf2out_finish): Likewise.
646 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
648 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
650 * tree-ssa-structalias.c (intra_create_variable_infos):
651 Don't recreate nonlocal_all if it already exists.
653 2006-10-25 Richard Guenther <rguenther@suse.de>
656 * optabs.h (enum optab_index): Remove OTI_lrint.
657 (enum convert_optab_index): Add COI_lrint.
658 (lrint_optab): Adjust.
659 (expand_sfix_optab): Declare.
660 * optabs.c (expand_sfix_optab): New function.
661 (init_optabs): Init lrint_optab as conversion optab.
662 * genopinit.c (lrint_optab): Change to a conversion optab.
663 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
664 expansion via conversion optab.
665 * config/i386/i386.md (*fistdi2_1): Remove
666 flag_unsafe_math_optimizations guard.
667 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
668 fist<mode>2_with_temp): Likewise.
669 (lrint<mode>2): Split into...
670 (lrintxf<mode>2): ... x87 part
671 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
672 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
673 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
674 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
675 * doc/md.texi (lrintMN2): Document.
677 2006-10-25 Uros Bizjak <uros@kss-loka.si>
680 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
681 Use inc and dec instructions for TARGET_USE_INCDEC.
682 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
683 ("sync_double_compare_and_swap<mode>"): Likewise.
684 ("*sync_double_compare_and_swapdi_pic"): Likewise.
685 ("*sync_compare_and_swap_cc<mode>"): Likewise.
686 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
687 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
688 ("sync_old_add<mode>"): Likewise.
689 ("sync_lock_test_and_set<mode>"): Likewise.
690 ("sync_lock_test_and_set<mode>"): Likewise.
691 ("sync_add<mode>"): Likewise.
692 ("sync_sub<mode>"): Likewise.
693 ("sync_ior<mode>"): Likewise.
694 ("sync_and<mode>"): Likewise.
695 ("sync_xor<mode>"): Likewise.
697 2006-10-25 Uros Bizjak <uros@kss-loka.si>
699 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
700 (remainder_optab): Define corresponding macro.
701 (drem_optab): Remove.
702 * optabs.c (init_optabs): Initialize remainder_optab. Remove
703 drem_optab initialization.
704 * genopinit.c (optabs): Implement remainder_optab using
705 remainder?f3 patterns. Remove drem_optab.
706 * builtins.c (expand_builtin_mathfn_2): Handle
707 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
708 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
709 expand_builtin_mathfn_2.
711 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
712 depend on flag_unsafe_math_optimizations.
714 * config/i386/i386.md ("remaindersf3", "remainderdf3")
715 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
716 Do not depend on flag_unsafe_math_optimizations. Use
717 truncxf?f expander instead of truncxf?f_i387_noop.
719 ("fpremxf4", "fprem1xf4"): Do not depend on
720 flag_unsafe_math_optimizations.
721 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
722 flag_unsafe_math_optimizations. Use truncxf?f expander
723 instead of truncxf?f_i387_noop.
725 * doc/md.texi (fmod, remainder): Document standard named pattern.
727 2006-10-24 Richard Sandiford <richard@codesourcery.com>
728 David Daney <ddaney@avtrex.com>
731 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
733 2006-10-25 Ben Elliston <bje@au.ibm.com>
735 * doc/extend.texi (Variable Attributes): Typo fix.
737 2006-10-24 Uros Bizjak <uros@kss-loka.si>
739 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
740 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
741 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
742 (FRAME_POINTER_REGNUM): Update register number to 21.
743 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
744 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
746 * config/i386/i386.c (regclass_map): Add fpcr entry.
747 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
749 (print_reg): Assert REGNO (x) != FPCR_REG.
751 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
752 (DIRFLAG_REG): Renumber.
753 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
754 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
755 (sse_prologue_save, *sse_prologue_save_insn): Renumber
756 hardcoded SSE register numbers.
758 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
759 hardcoded MMX register numbers.
761 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
764 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
765 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
767 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
768 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
769 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
770 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
772 2006-10-24 Richard Guenther <rguenther@suse.de>
775 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
776 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
777 for deciding optimizations in consistency with fold-const.c
778 (fold_builtin_unordered_cmp): Likewise.
780 2006-10-24 Richard Guenther <rguenther@suse.de>
782 * builtins.c (fold_builtin_floor): Fold floor (x) where
783 x is nonnegative to trunc (x).
784 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
785 nonnegative to FIX_TRUNC_EXPR.
787 2006-10-24 Richard Guenther <rguenther@suse.de>
789 PR tree-optimization/29567
790 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
791 for TRUTH_NOT_EXPR. Clarify comments.
793 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
796 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
797 at compile-time using MPFR. Change parameter VALUE to FUNC,
799 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
800 for overflow and underflow at all times and avoid folding in
803 2006-10-24 Ben Elliston <bje@au.ibm.com>
805 * reload1.c: Formatting fixes.
807 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
809 PR tree-optimization/14784
810 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
811 * tree-ssa-structalias.c (get_constraint_for,
812 intra_create_variable_infos): Set is_heapvar.
813 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
814 non-heapvar pointer variables specially.
816 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
819 * builtins.c (fold_builtin_sin, fold_builtin_cos,
820 fold_builtin_tan): Fold all constant arguments. Take a "type"
821 argument as necessary.
823 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
825 2006-10-23 Bob Wilson <bob.wilson@acm.org>
827 * config/xtensa/lib1funcs.asm: Use C-style comments.
829 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
831 * tree.c (local_define_builtin): Replace calls to
832 lang_hooks.builtin_function with add_builtin_function.
833 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
835 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
837 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
838 common code to add_builtin_function.
839 * langhooks.c (add_builtin_function): New function.
840 (lhd_builtin_function): New function.
841 * langhooks.h (struct lang_hooks): Change the signature of
843 (add_builtin_function): New function.
844 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
845 calls to lang_hooks.builtin_function with add_builtin_function.
846 * c-common.c (decl_builtin_1): Replace calls to
847 lang_hooks.builtin_function with add_builtin_function.
848 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
849 lang_hooks.builtin_function with add_builtin_function.
850 * config/frv/frv.c (def_builtin): Replace calls to
851 lang_hooks.builtin_function with add_builtin_function.
852 * config/s390/s390.c (s390_init_builtins): Replace calls to
853 lang_hooks.builtin_function with add_builtin_function.
854 * config/sparc/sparc.c (def_builtin): Replace calls to
855 lang_hooks.builtin_function with add_builtin_function.
856 * config/i386/i386.c (def_builtin): Replace calls to
857 lang_hooks.builtin_function with add_builtin_function.
858 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
859 lang_hooks.builtin_function with add_builtin_function.
860 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
861 lang_hooks.builtin_function with add_builtin_function.
862 * config/stormy16/stormy16.c (xstormy16_init_builtins):
863 Replace calls to lang_hooks.builtin_function with
864 add_builtin_function.
865 * config/iq2000/iq2000.c (def_builtin):
866 Replace calls to lang_hooks.builtin_function with
867 add_builtin_function.
868 * config/ia64/ia64.c (def_builtin): Replace calls to
869 lang_hooks.builtin_function with add_builtin_function.
870 * config/rs6000/rs6000.c (def_builtin): Replace calls to
871 lang_hooks.builtin_function with add_builtin_function.
872 (altivec_init_builtins): Replace calls to
873 lang_hooks.builtin_function with add_builtin_function.
874 * config/arm/arm.c (def_mbuiltin): Replace calls to
875 lang_hooks.builtin_function with add_builtin_function.
876 (arm_init_tls_builtins): Replace calls to
877 lang_hooks.builtin_function with add_builtin_function.
878 * config/mips/mips.c (mips_init_builtins): Replace calls to
879 lang_hooks.builtin_function with add_builtin_function.
880 * config/bfin/bfin.c (def_builtin): Replace calls to
881 lang_hooks.builtin_function with add_builtin_function.
882 * langhooks-def.h (lhd_builtin_function): New function.
883 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
885 2006-10-23 Jakub Jelinek <jakub@redhat.com>
887 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
888 BUILT_IN_STRNCAT_CHK.
890 2006-10-23 Jan Hubicka <jh@suse.cz>
892 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
893 don't do conversion from memmove to memcpy here.
894 (expand_builtin_bcopy, expand_builtin): Update call of
895 expand_builtin_memmove.
896 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
898 2006-10-23 Paul Brook <paul@codesourcery.com>
900 * stor-layout.c (start_record_layout): maximum_field_alignment
901 overrides STRUCTURE_SIZE_BOUNDARY.
903 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
905 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
906 nonlocal function symbols if flag_pic.
908 2006-10-23 Richard Guenther <rguenther@suse.de>
912 * builtins.c (fold_binary): Remove checks for flag_wrapv
913 and flag_trapv where negate_expr_p covers these cases.
915 2006-10-23 Richard Guenther <rguenther@suse.de>
918 * fold-const.c (fold_plusminus_mult_expr): Check exact power
919 of two on the absolute value.
920 (fold_binary): Fold x * -C to -x * C if x is easily negatable
921 and negating -C does not overflow.
923 2006-10-23 Richard Guenther <rguenther@suse.de>
926 * convert.c (convert_to_real): Fold (float)-x to -(float)x
927 only if not flag_rounding_math.
929 2006-10-22 Richard Sandiford <richard@codesourcery.com>
930 Kaz Kojima <kkojima@gcc.gnu.org>
933 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
934 SImode memory reference for the source of a movua.
935 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
936 (movua): Use an unspec instead of sign_extract. Expect the source
937 to have mode BLKmode.
938 (extv, insv): Use a BLKmode rather than SImode memory reference
939 for the source of a movua.
941 2006-10-22 Jeff Law <law@redhat.com>
942 Richard Guenther <rguenther@suse.de>
944 PR tree-optimization/15911
945 * tree-vrp.c (extract_code_and_val_from_cond): New function.
946 (register_edge_assert_for_1): Likewise.
947 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
948 (find_conditional_asserts): Adjust for new function signature.
949 (find_assert_locations): Likewise.
951 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
953 * config/i386/tmmintrin.h: Remove the duplicated content.
955 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
957 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
958 (x86_64-*-*): Likewise.
960 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
961 (override_options): Check SSSE3.
962 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
963 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
964 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
965 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
966 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
967 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
968 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
969 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
970 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
971 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
972 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
973 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
974 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
975 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
976 IX86_BUILTIN_PABSD128.
977 (bdesc_2arg): Add SSSE3.
978 (bdesc_1arg): Likewise.
979 (ix86_init_mmx_sse_builtins): Support SSSE3.
980 (ix86_expand_builtin): Likewise.
981 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
983 * config/i386/i386.md (UNSPEC_PSHUFB): New.
984 (UNSPEC_PSIGN): Likewise.
985 (UNSPEC_PALIGNR): Likewise.
986 Include mmx.md before sse.md.
988 * config/i386/i386.opt: Add -mssse3.
990 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
991 (ssse3_phaddwv4hi3): Likewise.
992 (ssse3_phadddv4si3): Likewise.
993 (ssse3_phadddv2si3): Likewise.
994 (ssse3_phaddswv8hi3): Likewise.
995 (ssse3_phaddswv4hi3): Likewise.
996 (ssse3_phsubwv8hi3): Likewise.
997 (ssse3_phsubwv4hi3): Likewise.
998 (ssse3_phsubdv4si3): Likewise.
999 (ssse3_phsubdv2si3): Likewise.
1000 (ssse3_phsubswv8hi3): Likewise.
1001 (ssse3_phsubswv4hi3): Likewise.
1002 (ssse3_pmaddubswv8hi3): Likewise.
1003 (ssse3_pmaddubswv4hi3): Likewise.
1004 (ssse3_pmulhrswv8hi3): Likewise.
1005 (ssse3_pmulhrswv4hi3): Likewise.
1006 (ssse3_pshufbv16qi3): Likewise.
1007 (ssse3_pshufbv8qi3): Likewise.
1008 (ssse3_psign<mode>3): Likewise.
1009 (ssse3_psign<mode>3): Likewise.
1010 (ssse3_palignrti): Likewise.
1011 (ssse3_palignrdi): Likewise.
1012 (abs<mode>2): Likewise.
1013 (abs<mode>2): Likewise.
1015 * config/i386/tmmintrin.h: New file.
1017 * doc/extend.texi: Document SSSE3 built-in functions.
1019 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1021 2006-10-22 Ira Rosen <irar@il.ibm.com>
1023 * tree-vect-transform.c (vectorizable_load): Use the type of the
1024 return value of the mask_for_load builtin to create realign_load
1027 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1029 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1032 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1034 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1035 (UNSPEC_LDDQU): This.
1036 * config/i386/sse.md (sse3_lddqu): Updated.
1038 2006-10-21 Richard Guenther <rguenther@suse.de>
1040 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1041 (expand_builtin): Use it to expand lrint instead of
1042 expand_builtin_mathfn.
1044 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1047 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1048 flag_unsafe_math_optimizations is set.
1050 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1053 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1054 patterns to use memory input operand in x87->mem->XMM
1055 reload sequences. Skip transformation for TARGET_K8.
1057 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1059 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1060 force operand1 to register if both operands are memory operands.
1061 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1062 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1063 if both operands are memory operands.
1064 (truncdfsf2): Do not force operand1 to register if both operands
1065 are memory operands.
1067 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1069 * Makefile.in (LIBS): Add $(GMPLIBS).
1070 * doc/install.texi: Update GMP and MPFR requirements.
1071 * doc/sourcebuild.texi (need_gmp): Delete.
1073 2006-10-21 Richard Guenther <rguenther@suse.de>
1075 PR tree-optimization/3511
1076 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1077 got new invariant arguments during PHI translation.
1079 2006-10-21 Richard Guenther <rguenther@suse.de>
1082 * fold-const.c (fold_comparison): Fold signed comparisons
1083 of the form X +- C1 CMP Y +- C2.
1085 2006-10-21 Richard Guenther <rguenther@suse.de>
1088 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1089 if flag_unsafe_math_optimizations is specified. We have
1090 flag_finite_math_only for that.
1091 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1092 or flag_unsafe_math_optimizations.
1094 2006-10-21 Richard Guenther <rguenther@suse.de>
1096 * builtins.c (fold_builtin_classify): Fix typo.
1098 2006-10-21 Richard Guenther <rguenther@suse.de>
1101 * simplify-rtx.c (simplify_const_relational_operation):
1102 Do not constant-fold ORDERED and UNORDERED for
1103 flag_unsafe_math_optimizations but only we do not need to
1104 honor NaNs for the given mode.
1106 2006-10-21 Richard Guenther <rguenther@suse.de>
1109 * config/i386/i386.c (classify_argument): Remove redundant
1110 walking of the BINFOs.
1111 (contains_128bit_aligned_vector_p): Likewise.
1113 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1115 * BASE-VER: Set to 4.3.0.
1117 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1119 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1120 (tree_decl_with_vis): Remove artificial_pta_var flag.
1121 * tree-flow.h (referenced_var_check_and_insert): Expose.
1122 (nonlocal_all): New prototype.
1123 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1124 (nonlocal_all): Make global.
1125 (nonlocal_lookup): Remove.
1126 (nonlocal_insert): Ditto.
1127 (create_nonlocal_var): Do not call nonlocal_insert.
1128 (get_nonlocal_id_for_type): Remove.
1129 (find_global_initializers): Mark new vars we find for renaming.
1130 (intra_create_variable_infos): Only create one nonlocal.
1131 (expand_nonlocal_solutions): Remove.
1132 (compute_points_to_sets): Don't call it.
1133 (ipa_pta_execute): Ditto.
1134 (init_alias_heapvars): Don't create nonlocal_for_type.
1135 (delete_alias_heapvars): Don't remove it.
1136 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1139 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1141 * doc/install.texi (Downloading GCC): Clarify mention of
1142 Fortran in the "full distribution" description.
1144 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1146 Fix PR tree-optimization/28778
1147 Fix PR tree-optimization/29156
1148 Fix PR tree-optimization/29415
1149 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1150 (tree_decl_with_vis): Add artificial_pta_var flag.
1151 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1152 pushed into callers.
1153 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1154 (nonlocal_all): Ditto.
1155 (struct variable_info): Add directly_dereferenced member.
1156 (var_escaped_vars): New variable.
1157 (escaped_vars_tree): Ditto.
1158 (escaped_vars_id): Ditto.
1159 (nonlocal_vars_id): Ditto.
1160 (new_var_info): Set directly_dereferenced.
1161 (graph_size): New variable
1162 (build_constraint_graph): Use graph_size.
1163 (solve_graph): Don't process constraints that cannot change the
1164 solution, don't try to propagate an empty solution to our
1166 (process_constraint): Set directly_dereferenced.
1167 (could_have_pointers): New function.
1168 (get_constraint_for_component_ref): Don't process STRING_CST.
1169 (nonlocal_lookup): New function.
1170 (nonlocal_insert): Ditto.
1171 (create_nonlocal_var): Ditto.
1172 (get_nonlocal_id_for_type): Ditto.
1173 (get_constraint_for): Allow results vector to be empty in the case
1174 of string constants.
1175 Handle results of calls properly.
1176 (update_alias_info): Update alias info stats on number and type of
1178 (find_func_aliases): Use could_have_pointers.
1179 (make_constraint_from_escaped): Renamed from
1180 make_constraint_to_anything, and changed to make constraints from
1182 (make_constraint_to_escaped): New function.
1183 (find_global_initializers): Ditto.
1184 (create_variable_info_for): Make constraint from escaped to any
1185 global variable, and from any global variable to the set of
1187 (intra_create_variable_infos): Deal with escaped instead of
1188 pointing to anything.
1189 (set_uids_in_ptset): Do type pruning on directly dereferenced
1191 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1192 (init_base_vars): Fix comment, and initialize escaped_vars.
1193 (need_to_solve): Removed.
1194 (find_escape_constraints): New function.
1195 (expand_nonlocal_solutions): Ditto.
1196 (compute_points_to_sets): Call find_escape_constraints and
1197 expand_nonlocal_solutions.
1198 (delete_points_to_sets): Don't fall off the end of the graph.
1199 (init_alias_heapvars): Initialize nonlocal_for_type and
1201 (delete_alias_heapvars): Free nonlocal_for_type and null out
1204 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1206 * fold-const.c (add_double): Rename to add_double_with_sign.
1207 Add 'unsigned_p' parameter and take it into account for the overflow.
1208 (mul_double): Rename to mul_double_with_sign.
1209 Add 'unsigned_p' parameter and take it into account for the overflow.
1210 (fold_div_compare): Call add_double_with_sign instead of add_double
1211 and mul_double_with_sign instead of mul_double, passing them the
1212 unsignedness of the type.
1213 * tree.h (add_double): Macroize.
1214 (add_double_with_sign): New prototype.
1215 (mul_double): Macroize.
1216 (mul_double_with_sign): New prototype.
1218 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1220 * config/score/crti.asm: New file.
1221 * config/score/crtn.asm: New file.
1222 * config/score/elf.h: New file.
1223 * config/score/mac.md: New file.
1224 * config/score/misc.md: New file.
1225 * config/score/mul-div.S: New file.
1226 * config/score/predicates.md: New file.
1227 * config/score/score7.md: New file.
1228 * config/score/score.c: New file.
1229 * config/score/score-conv.h: New file.
1230 * config/score/score.h: New file.
1231 * config/score/score.md: New file.
1232 * config/score/score-mdaux.c: New file.
1233 * config/score/score-mdaux.h: New file.
1234 * config/score/score-modes.def: New file.
1235 * config/score/score.opt: New file.
1236 * config/score/score-protos.h: New file.
1237 * config/score/score-version.h: New file.
1238 * config/score/t-score-elf: New file.
1239 * config.gcc: Add score*-*-* configurations(Update before).
1240 * doc/invoke.texi (Score Options): New section.
1241 * doc/md.texi (Score family): New section to document constraints.
1243 2006-10-19 Nick Clifton <nickc@redhat.com>
1245 * config/arm/arm.c: Fix spelling typo.
1247 2006-10-18 Tom Tromey <tromey@redhat.com>
1249 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1251 2006-10-18 Jan Hubicka <jh@suse.cz>
1254 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1257 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1259 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1260 TSI_SAME_STMT, since that's the desired entity.
1262 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1264 * config/s390/contraints.md: New file.
1265 * config/s390/s390-protos.h (s390_mem_constraint,
1266 s390_O_constraint_str, s390_N_constraint_str,
1267 s390_float_const_zero_p): Function prototypes added.
1268 * config/s390/s390.c (s390_extra_constraint_str,
1269 s390_const_double_ok_for_constraint_p,
1270 s390_const_ok_for_constraint_p): Functions removed.
1271 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1272 s390_float_const_zero_p): New functions.
1273 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1274 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1275 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1276 Macro definitions removed.
1277 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1278 s390_extra_constraint_str): Functions removed.
1280 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1281 Richard Sandiford <richard@codesourcery.com>
1284 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1285 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1287 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1289 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1290 (DWARF2_FRAME_REG_OUT): Likewise.
1291 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1292 (DWARF2_FRAME_REG_OUT): Likewise.
1294 2006-10-17 Paul Brook <paul@codesourcery.com>
1296 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1298 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1300 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1301 Standardize on "GNU Fortran" as the official name of the Fortran
1304 2006-10-16 Mike Stump <mrs@apple.com>
1306 * doc/invoke.texi (Darwin Options): Document -mkernel.
1307 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1309 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1310 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1311 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1312 (OS_MISSING_ALTIVEC): Add.
1313 * config/i386/i386.c (override_options): Add
1314 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1315 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1316 -mkernel, -static or -mdynamic-no-pic is given.
1317 (C_COMMON_OVERRIDE_OPTIONS): Add.
1318 * config/darwin.opt (fapple-kext): Add.
1320 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1321 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1323 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1324 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1325 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1326 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1327 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1328 (flag_mkernel): Add.
1329 (flag_apple_kext): Add.
1330 (TARGET_KEXTABI): Add.
1331 * config/darwin.c (darwin_handle_kext_attribute): Add.
1332 (DARWIN_VTABLE_P): Add.
1333 (darwin_binds_local_p): Add partial support for rebinding vtables
1335 (darwin_kextabi_p): Add.
1336 (darwin_override_options): Add.
1337 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1338 (darwin_kextabi_p): Add.
1339 (darwin_override_options): Add.
1340 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1341 __DYNAMIC__ and __STATIC__ here.
1343 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1345 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1346 Added mention of "make pdf" target, and Texinfo requirements for
1349 2006-10-16 DJ Delorie <dj@redhat.com>
1351 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1352 into the GOT in case we need a subreg of the address.
1354 2006-10-16 Richard Guenther <rguenther@suse.de>
1357 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1358 SSE builtin documentation. Document SSE2 builtins.
1360 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1362 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1363 symbol in the output file for non-shared links when -nostdlib or
1364 -nodefaultlibs isn't specified.
1366 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1367 posix thread support.
1369 2006-10-15 Jan Hubicka <jh@suse.cz>
1372 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1373 declared always_inline even when not inlining.
1375 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1376 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1377 Andrew Pinski <pinskia@gmail.com>
1380 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1382 2006-10-15 Jan Hubicka <jh@suse.cz>
1383 Richard Guenther <rguenther@suse.de>
1386 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1387 process_function_and_variable_attributes on all variables, including
1388 those discovered during cgraph construction phase.
1390 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1392 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1394 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1396 * config/i386/athlon.md (athlon_fist): Add fisttp.
1398 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1399 Ian Lance Taylor <ian@airs.com>
1402 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1403 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1406 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1408 * config/score/score.c, config/score/score.h: Fix comment
1411 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1414 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1417 2006-10-13 Eric Christopher <echristo@apple.com>
1419 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1421 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1424 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1425 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1426 alignment supported by 32-bit ELF.
1428 2006-10-13 Eric Christopher <echristo@apple.com>
1430 * config/darwin.c (darwin_emit_unwind_label): Strip
1431 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1433 2006-10-13 Richard Guenther <rguenther@suse.de>
1435 PR tree-optimization/29446
1436 * tree-vrp.c (fix_equivalence_set): Remove.
1437 (extract_range_from_assert): Do not call fix_equivalence_set.
1438 (debug_value_range): Print a newline.
1439 (compare_name_with_value): For equivalence sets with
1440 inconsistent value ranges conservatively bail out.
1441 (compare_names): Likewise.
1443 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1445 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1446 and MPFR for gfortran.
1448 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1450 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1451 alignment supported by 32-bit ELF.
1453 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1457 * c-typeck.c (digest_init): Always allow initializing vectors
1458 that have static storage duration with compound literals.
1459 * tree.c (build_type_attribute_qual_variant): New, based on
1460 build_type_attribute_variant.
1461 (build_type_attribute_variant): Rewrite using the former.
1462 (make_vector_type): Use build_type_attribute_qual_variant to build
1463 type variants. Use type_hash_canon on the others.
1465 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1466 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1468 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1470 2006-10-12 Jan Hubicka <jh@suse.cz>
1473 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1474 current_function_decl is set but current_function_scope is not.
1476 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1478 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1479 emit_insn to emit eh_return_internal instruction.
1480 (eh_return_internal): Explicitly set pc.
1482 2006-10-11 Richard Guenther <rguenther@suse.de>
1484 PR tree-optimization/28230
1485 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1486 to the correct place.
1488 2006-10-11 Richard Guenther <rguenther@suse.de>
1491 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1494 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1496 * configure.ac: Added pdf to "Make-hooks"
1497 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1498 targets and *.pdf file patterns in cleanup targets.
1499 * configure: Regenerated.
1501 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1503 * config/avr/predicates.md: New file.
1504 * config/avr/avr.md: Include it.
1505 (REG_SP): New constant.
1506 (peepholes): Use predicates.
1507 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1508 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1509 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1511 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1513 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1516 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1519 * builtins.c (var_decl_component_p): New function.
1520 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1521 single entry optimization to variables and components thereof.
1523 2006-10-10 Richard Guenther <rguenther@suse.de>
1525 PR rtl-optimization/29323
1526 * except.c (set_nothrow_function_flags): For functions
1527 that do not bind local bail out early.
1529 2006-10-10 Ben Elliston <bje@au.ibm.com>
1531 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1534 2006-10-09 Richard Henderson <rth@redhat.com>
1536 Revert emutls patch.
1538 2006-10-09 Richard Guenther <rguenther@suse.de>
1541 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1544 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1547 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1548 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1549 * configure: Regenerate.
1550 * config.in: Regenerate.
1552 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1554 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1556 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1558 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1559 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1560 Remove stray newline.
1562 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1564 * config/mips/mips.c (mips_classify_symbol): Do not return
1565 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1566 (mips_in_small_data_p): Tweak comments.
1568 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1570 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1572 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1574 * gimplify.c, sched-int.h: Fix comment typos.
1576 * sched-int.h: Fix comment typos.
1578 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1580 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1582 * sched-ebb.c (begin_schedule_ready): Use them.
1583 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1584 add_to_speculative_block, create_check_block_twin, speculate_insn,
1585 fix_jump_move, move_block_after_check): Ditto.
1586 * sched-rgn.c (new_ready): Ditto.
1588 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1590 PR rtl-optimization/29128
1591 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1592 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1593 allow interblock movement of speculation checks.
1595 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1598 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1599 casted to integer type.
1600 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1601 if they are significantly more expensive than [reg + index] ones.
1603 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1605 PR tree-optimization/29330
1606 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1607 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1608 on newly allocated ddrs.
1609 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1610 to VEC (loop_p, heap) pointer.
1611 (compute_data_dependences_for_loop): Adjust caller.
1612 (free_dependence_relations): Free DDR_LOOP_NEST.
1614 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1615 free DEPENDENCE_RELATIONS and DATAREFS.
1618 * builtins.c (expand_builtin_sync_operation,
1619 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1620 Use convert_to_mode to handle promoted arguments.
1622 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1624 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1626 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1628 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1630 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1632 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1633 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1634 Use <modeconstraint> instead of "r" as operand 1 constraint.
1636 2006-10-06 Olivier Hainque <hainque@adacore.com>
1638 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1639 Don't recurse on the pointed-to type.
1640 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1641 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1642 types with components of variable size.
1644 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1646 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1648 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1650 PR tree-optimization/29290
1651 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1655 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1656 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1659 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1660 the number of vector elements fill the rest with zeros.
1662 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1664 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1665 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1668 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1670 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1671 unnamed pattern into subsi3. Use correct constraints/predicates.
1672 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1673 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1675 2006-10-05 Ira Rosen <irar@il.ibm.com>
1677 * doc/loop.texi: Add data references analysis description.
1679 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1681 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1683 2006-10-04 Richard Henderson <rth@redhat.com>
1684 Jakub Jelinek <jakub@redhat.com>
1686 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1687 * builtin-types.def (BT_WORD): Make unsigned.
1688 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1689 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1690 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1691 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1692 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1693 * cgraph.c (decide_is_variable_needed): Look at force_output.
1694 Recurse for emulated tls.
1695 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1696 checks redundant with decide_is_variable_needed.
1697 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1698 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1700 * expr.c (emutls_var_address): New.
1701 (expand_expr_real_1): Expand emulated tls.
1702 (expand_expr_addr_expr_1): Likewise.
1703 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1704 * output.h (emutls_finish): Declare.
1705 * toplev.c (compile_file): Call it.
1706 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1707 address before wrapping in CONST.
1708 * varasm.c (emutls_htab, emutls_object_type): New.
1709 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1710 (get_emutls_object_name, get_emutls_object_type): New.
1711 (get_emutls_init_templ_addr, emutls_decl): New.
1712 (emutls_common_1, emutls_finish): New.
1713 (assemble_variable): When emulating tls, swap decls; generate
1714 constructor for the emutls objects.
1715 (do_assemble_alias): When emulating tls, swap decl and target name.
1716 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1718 * emutls.c: New file.
1719 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1720 tls_object for real tls.
1722 2006-10-04 Zack Weinberg <zackw@panix.com>
1724 Fix bug in constraint-check generator, reported by Rask Ingemann
1726 * genpreds.c (add_constraint): Don't remove anything from the
1728 (write_tm_constrs_h): Detect whether "op" argument is used, and
1729 mark it ARG_UNUSED if it isn't.
1730 (write_insn_const_int_ok_for_constraint): Skip the part of the
1731 expression that would test whether "op" (which is not available
1732 here) is a CONST_INT.
1734 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1737 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1739 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1741 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1742 current Leopard versions.
1743 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1745 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1747 * doc/install.texi: Fix typos.
1749 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1751 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1752 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1753 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1755 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1757 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1758 arg to be struct mach_header_64* instead.
1760 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1763 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1764 side effects after the outer expression's post side effects.
1766 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1768 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1769 comments to reflect actual behavior and relationship between
1770 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1772 * doc/c-tree.texi (Working with declarations): Fix documentation
1773 of FIELD_DECL likewise.
1775 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1778 * doc/extend.texi: Add used variable attribute description.
1780 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1783 * c.opt (Woverride-init): New.
1784 * c-opts.c (c_common_post_options): Default warn_override_init to
1786 * c-typeck.c (add_pending_init, output_init_element): Warn for
1787 overriding initializers without side effects.
1788 * doc/invoke.texi (-Woverride-init): Document.
1791 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1793 PR rtl-optimization/28096
1794 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1795 assignment has already been used as a destination earlier in the block.
1797 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1799 * builtins.c (expand_builtin_setjmp): Delete.
1800 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1801 <BUILT_IN_SETJMP_SETUP>: New case.
1802 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1803 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1804 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1805 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1806 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1807 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1808 (lower_function_body): Initialize it to false. If it is set to true
1809 at the end of the processing, emit the setjmp dispatcher.
1810 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1811 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1812 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1813 on the rhs of the assignment.
1814 (lower_builtin_setjmp): New function.
1815 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1816 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1817 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1818 to detect calls that can go to non-local labels. Use specific
1819 helper to create the abnormal edges associated with them.
1820 <MODIFY_EXPR>: Likewise.
1821 (make_abnormal_goto_edges): New function extracted from...
1822 (make_goto_expr_edges): ...here. Call it for computed gotos.
1823 (simple_goto_p): Minor tweak.
1824 (tree_can_make_abnormal_goto): New predicate.
1825 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1826 (tree_purge_dead_abnormal_call_edges): New function.
1827 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1828 (tree_purge_dead_abnormal_call_edges): Likewise.
1829 (make_abnormal_goto_edges): Likewise.
1830 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1831 Purge all dead abnormal edges if the call was in the last statement.
1832 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1833 (execute_fixup_cfg): If there are non-local labels in the function,
1834 scan the basic blocks and split them at calls that can go to non-local
1835 labels or add missing abnormal call edges. Write down the CFG in the
1837 (pass_fixup_cfg): Remove TODO_dump_func flag.
1838 * unwind-sjlj.c: Poison setjmp.
1839 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1840 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1841 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1842 (DONT_USE_BUILTIN_SETJMP): Document it.
1844 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1847 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1848 to 1 when __ppc64__ is defined.
1849 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1851 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1853 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1855 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1856 * config/ia64/unwind-hpux.c: Delete.
1858 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1860 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1861 on the element before gimplifying it, instead of punting if it is of
1864 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1866 * doc/loop.texi: New file.
1867 * doc/gccint.texi: Reference loop.texi.
1868 * Makefile.in (loop.texi): Add.
1870 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1872 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1874 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1875 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1877 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1879 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1881 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1883 * doc/install.texi: Document required versions of GMP and MPFR.
1885 2006-09-27 Paul Brook <paul@codesourcery.com>
1888 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1890 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1892 * reload1.c (alter_reg): Require the alignment of the stack slot to
1893 be at least reg_max_ref_width bytes.
1894 (scan_paradoxical_subregs): Record the largest width in
1897 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1901 * tree-nested.c (struct nesting_info): Added static_chain_added.
1902 (convert_call_expr): Set static_chain_added when adding static
1903 chain. Handle OMP_PARALLEL and OMP_SECTION.
1905 2006-09-25 Matthias Klose <doko@debian.org>
1907 * doc/invoke.texi: Add missing full stop.
1909 2006-09-25 Richard Henderson <rth@redhat.com>
1911 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1912 before cgraph_function_flags_ready.
1914 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1915 Adam Nemet <anemet@caviumnetworks.com>
1917 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1918 determine_common_wider_type): New functions.
1919 (get_computation_aff): Use them to simplify arithmetic between
1920 UBASE and CBASE if they are shortened from the same type.
1922 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1925 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1926 -2147483647 - 1 instead of 0x80000000.
1928 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1930 * flags.h (HONOR_NANS): Fix typo in comment.
1932 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1934 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1936 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1940 * tree.c (merge_attributes, attribute_list_contained): If both
1941 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1943 * c-typeck.c (comptypes_internal): Don't consider aggregates
1944 in different TUs as compatible if there one set of attributes is
1945 not a subset of the other type's attributes.
1946 (composite_type): Try harder not to create a new aggregate type.
1948 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1950 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1951 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1952 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1953 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1954 than replicating condition above.
1955 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1957 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1958 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1959 the linker by default.
1961 2006-09-22 Mike Stump <mrs@apple.com>
1963 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1966 2006-09-22 Richard Guenther <rguenther@suse.de>
1969 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1970 sort of stack variables stable.
1972 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1975 * explow.c (force_reg): Set REG_POINTER flag according to
1978 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1980 PR tree-optimization/28888
1981 * tree-if-conv.c (combine_blocks): Rewritten.
1982 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1983 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1985 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1987 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1990 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1992 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1994 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1996 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1998 2006-09-21 Roger Sayle <roger@eyesopen.com>
2001 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2002 dw_fde_current_label, to be the start of the function, i.e. the same
2003 value as dw_fde_begin.
2005 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2007 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2008 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2009 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2010 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2011 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2012 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2013 (abs<mode>2, neg<mode>2): Likewise.
2014 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2015 (*mips_abs_ps): New define_insn.
2017 2006-09-20 Josh Conner <jconner@apple.com>
2020 * calls.c (expand_call): Allow reuse of structure return stack
2023 2006-09-20 Paul Brook <paul@codesourcery.com>
2025 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2028 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2030 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2031 clean up terminology.
2033 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2036 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2037 with tablejumps in them.
2039 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2042 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2043 wrap it into TARGET_EXPR.
2045 2006-09-20 Eric Christopher <echristo@apple.com>
2047 * config/i386/i386.c (x86_fisttp): Remove.
2048 * config/i386/i386.h (x86_fisttp): Ditto.
2049 (TARGET_FISTTP): Ditto.
2051 2006-09-19 Eric Christopher <echristo@apple.com>
2053 * doc/tm.texi (OBJC_JBLEN): Describe.
2054 * config/i386/darwin.h (OBJC_JBLEN): Define.
2055 * config/rs6000/darwin.h: Ditto.
2057 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2059 PR rtl-optimization/21299
2060 * reload1.c (reload): Purge invalid ASMs in the final pass.
2062 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2065 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2066 pointers as legitimate constants.
2068 2006-09-19 Paul Brook <paul@codesourcery.com>
2071 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2073 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2075 PR tree-optimization/28887
2076 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2077 component parts from the reference.
2078 (gather_memory_references_ref): Record the reference without the
2079 nonaddressable component parts.
2081 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2084 * c-opts.c (c_common_handle_option): Ignore the -std options
2085 if the input language is assembly.
2087 2006-09-17 Ira Rosen <irar@il.ibm.com>
2090 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2092 (ptr_ptr_may_alias_p): Likewise.
2093 (record_record_differ_p): New function.
2094 (base_object_differ_p): Call record_record_differ_p.
2096 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2099 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2100 away for the expr argument.
2102 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2105 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2106 before using it for dumping after vectorizing loops.
2108 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2109 Jack Howarth <howarth@bromo.med.uc.edu>
2112 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2113 skip on error_mark_node.
2114 (rs6000_darwin64_record_arg_recurse): Likewise.
2116 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2118 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2119 * doc/rtl.texi: Remove related documentation.
2121 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2123 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2126 2006-09-15 Jim Wilson <wilson@specifix.com>
2128 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2129 Handle symbol offsets same as they are handled in ia64_expand_move
2132 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2134 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2135 Add forgotten parameter to the fprintf call.
2137 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2139 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2141 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2143 * doc/contrib.texi: Add my entry.
2145 2006-09-15 Nick Clifton <nickc@redhat.com>
2147 * doc/md.texi (Processor pipeline description): Fix typo in
2148 example of how to use the absence_set directive and reword the
2149 description to make it slightly easier to read.
2151 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2153 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2154 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2155 expanding the number of iterations.
2156 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2158 * cfgrtl.c (emit_insn_at_entry): New function.
2159 * rtl.h (emit_insn_at_entry): Declare it.
2160 * integrate.c (emit_initial_value_sets): Use it.
2162 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2164 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2166 (struct loop_work and related VEC declarations): Delete.
2167 (bfin_dump_loops): Print out new member bad.
2168 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2169 (bfin_scan_loop): Don't recurse.
2170 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2171 loops. No longer need to update outer loops if the current one is
2172 found bad. Move some validitiy checks to bfin_discover_loop.
2173 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2174 but changed not to check for nesting. Also changed to use the new bad
2176 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2177 time. Use bitmap based test to discover loop nesting.
2179 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2181 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2184 2006-09-14 Richard Guenther <rguenther@suse.de>
2185 Kazu Hirata <kazu@codesourcery.com>
2187 PR middle-end/28884.
2188 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2189 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2190 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2191 with TARGET_FUNCTION_VALUE.
2193 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2196 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2198 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2200 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2203 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2206 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2209 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2211 * basic_block.h (bb_has_eh_pred): Fix comment.
2213 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2215 * flow.c (calculate_global_regs_live): Invalidate eh registers
2216 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2217 (propagate_block): Handle eh registers as if they were set at basic
2219 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2221 * global.c (global_conflicts): Make eh registers to conflict with
2222 pseudos live at basic block begin.
2223 * basic_block.h (bb_has_eh_pred): New function.
2225 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2227 PR rtl-optimization/28982
2228 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2229 index of a PRE_MODIFY or POST_MODIFY address.
2230 * reload1.c (inc_for_reload): Use find_replacement on the original
2231 base and index registers.
2233 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2235 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2236 for -Os. Update __m128 alignment requirement.
2238 2006-09-13 Jan Hubicka <jh@suse.cz>
2240 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2242 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2244 PR rtl-optimization/28243
2245 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2246 the insn to which the note was originally attached.
2248 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2249 Roger Sayle <roger@eyesopen.com>
2251 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2252 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2253 on platforms that don't use dwarf for debug info.
2255 2006-09-12 Jason Merrill <jason@redhat.com>
2258 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2259 hard_frame_pointer_rtx after using it to update the frame pointer.
2261 2006-09-12 Roger Sayle <roger@eyesopen.com>
2263 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2264 (TARGET_ASM_CLOSE_PAREN): Likewise.
2265 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2266 (TARGET_ASM_CLOSE_PAREN): Likewise.
2268 2006-09-12 Roger Sayle <roger@eyesopen.com>
2271 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2272 frame information for frames larger than 512 Kbytes on Tru64 when
2273 using the native assembler.
2275 2006-09-12 Roger Sayle <roger@eyesopen.com>
2279 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2280 and symbols. Instead use the implementation from cse.c's hash_rtx.
2282 2006-09-12 Jan Hubicka <jh@suse.cz>
2284 PR rtl-optimization/28071
2285 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2286 (vect_transform_loop): Likewise.
2287 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2288 (new_loop_vec_info): Likewise.
2289 (destroy_loop_vec_info): Likewise.
2290 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2291 (create_stmt_ann): Likewise.
2292 (create_tree_ann): Rename to ...
2293 (create_tree_common_ann): ... this one; allocate only the common part
2295 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2296 (get_value_handle): Likewise.
2297 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2298 get_tree_common_ann.
2299 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2300 (vinfo_for_stmt): Use stmt annotations.
2301 * tree-flow.h (tree_ann_common_t): New type.
2302 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2303 (tree_ann, get_tree_ann, create_tree_ann): New.
2304 * tree-flow-inline.h (get_function_ann): Do more type checking.
2305 (stmt_ann): Likewise.
2306 (tree_ann): Rename to ...
2307 (tree_common_ann): ... this one; return ony common_ann
2308 (get_tree_ann): Rename to ...
2309 (tree_common_ann): This one; return only common_ann.
2310 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2313 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2315 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2316 with_cpu by default.
2318 * dwarf2out.c (dwarf_file_data): New.
2319 (enum dw_val_class): Add dw_val_class_file.
2320 (struct dw_val_struct): Add val_file.
2321 (file_table): Change to a hash table.
2322 (file_table_emitted): Delete.
2323 (file_table_last_lookup_index): Delete.
2324 (emitcount): Delete.
2325 (last_emitted_file): New.
2326 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2327 (init_file_table): Delete.
2328 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2329 (AT_addr): Add comment.
2333 (print_die): Handle dw_val_class_file.
2334 (print_dwarf_line_table): Update for new file table structure.
2335 (attr_checksum): Do checksum a filename.
2336 (same_dw_val_p, same_attr_p): Do compare a filename.
2337 (size_of_die): Handle dw_val_class_file.
2338 (value_format): Likewise.
2339 (output_die): Likewise. Also, call maybe_emit_file here.
2340 (struct file_info): Constify filenames. Make file_idx a pointer
2341 to a struct dwarf_file_data.
2342 (struct dir_info): Constify directory names. Remove 'used' field.
2343 (struct file_name_acquire_data): New.
2344 (file_name_acquire): New.
2345 (output_file_names): Modify to handle new file data structures.
2346 (add_src_coords_attributes): Use add_AT_file.
2347 (add_call_src_coords_attributes): Likewise.
2348 (dwarf2out_imported_module_or_decl): Likewise.
2349 (gen_subprogram_die): Modify for new file data structures.
2350 (gen_variable_die): Likewise.
2351 (file_table_eq): New.
2352 (file_table_hash): New.
2353 (file_table_last_lookup): New.
2354 (lookup_filename): Rewrite to handle new file data structures.
2355 (maybe_emit_file): Rewrite to handle new file data structures.
2356 (dwarf2out_source_line): Always call lookup_filename and
2358 (dwarf2out_init): Create file_table here.
2359 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2360 (file_table_relative_p): New.
2361 (dwarf2out_finish): Change detection of relative filenames
2362 to work with new file data structures. Move output_line_info call
2363 after debug_info output.
2365 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2370 * config/i386/i386.c (override_options): Always default to 16
2371 byte stack boundary.
2373 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2376 * var-tracking.c (dump_dataflow_set): Start dumping at
2378 (clobber_variable_part): Kill only the variable part in
2379 registers holding it, leaving other variables alone.
2381 2006-09-11 Josh Triplett <josh@freedesktop.org>
2383 * doc/extend.texi (Other Builtins): Actually use the macro
2384 argument in the documentation example for
2385 __builtin_types_compatible_p.
2387 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2389 PR rtl-optimization/28726
2390 * sched-deps.c (sched_analyze_reg): New function extracted from...
2391 (sched_analyze_1): ...here. Call it to analyze references to
2392 registers. Treat again writes to a stack register as writing to the
2394 (sched_analyze_2): ...and here. Call it to analyze references to
2395 registers. Treat again reads of a stack register as reading the
2398 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2399 David Edelsohn <edelsohn@gnu.org>
2402 * config/rs6000/spe.md (frob_df_di): Remove %H.
2403 (frob_di_df): Remove %H. Change evmergelo to mr.
2404 (frob_di_df_2): Remove %H. Change evldd to two loads.
2406 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2408 * doc/cpp.texi: Fix names of charset options.
2410 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2413 * config/i386/i386.c (override_options): Use 128-bit
2414 stack boundary always for 64bits.
2416 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2418 PR rtl-optimization/28636
2419 * combine.c (force_to_mode): Test for side-effects before
2420 substituting by zero.
2421 (simplify_shift_const): Likewise for zero or other constants.
2423 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2426 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2429 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2432 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2433 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2434 returned by mode_for_size, rather than the mode of src itself,
2435 to choose between 32-bit and 64-bit patterns.
2436 (mips_mem_fits_mode_p): New function.
2437 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2438 that the size of the source matches the size of the destination.
2439 (mov_<store>l, mov_<store>r): Likewise.
2441 2006-09-10 Eric Christopher <echristo@apple.com>
2443 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2446 2006-09-09 Eric Christopher <echristo@apple.com>
2449 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2452 2006-09-09 Roger Sayle <roger@eyesopen.com>
2453 Nicolas Setton <setton@adacore.com>
2455 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2457 2006-09-10 Andreas Schwab <schwab@suse.de>
2459 * config/m68k/m68k.md (bungt_rev): New pattern.
2461 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2462 Dale Johannesen <dalej@apple.com>
2465 * regclass.c (struct reg_pref): Update documentation.
2466 (regclass): Set prefclass to NO_REGS if memory is the best option.
2467 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2469 2006-09-08 Eric Christopher <echristo@apple.com>
2471 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2472 * config/t-slibgcc-darwin: Support x86_64 multilib.
2473 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2474 Return 1 for x86_64-darwin.
2475 * config/i386/t-darwin: Add m64 multilib.
2476 (LIB2_SIDITI_CONV_FUNCS): Use.
2477 (LIB2FUNCS_EXTRA): Ditto.
2478 * config/i386/darwin.h: Support x86_64.
2479 * config/i386/i386.c (override_options): Turn on flag_pic
2480 for x86_64-darwin. Disable flag_omit_pointer.
2481 (get_pc_thunk_name): Assert !TARGET_64BIT.
2482 (legitimate_address_p): Disable machopic addressing for
2484 (legitimize_pic_address): Ditto.
2485 (ix86_expand_move): Ditto.
2486 (ix86_expand_call): Ditto.
2487 (machopic_output_stub): Ditto.
2488 * config/darwin.c (machopic_select_section): Support literal16.
2489 (machopic_select_rtx_section): Ditto.
2490 * config/darwin-sections.def: Ditto.
2491 * config/darwin-64.c: New.
2493 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2496 * c-tree.h (struct c_arg_info): Add pending_sizes.
2497 * c-parser.c (c_parser_parms_declarator,
2498 c_parser_parms_list_declarator): Initialize pending_sizes.
2499 * c-decl.c (get_parm_info): Initialize pending_sizes.
2500 (get_parm_info): Set pending_sizes.
2501 (grokdeclarator): Call put_pending_sizes for parameters for
2502 function definition only.
2504 2006-09-07 Jason Merrill <jason@redhat.com>
2507 * varasm.c (output_constant): Only strip actual no-op conversions.
2510 * config/i386/i386.c (override_options): Use 128-bit
2511 stack boundary if -msse.
2513 2006-09-07 Eric Christopher <echristo@apple.com>
2515 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2517 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2520 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2522 * dwarf2out.c: Remove strange characters from comment above
2523 dwarf2out_frame_debug_expr.
2525 2006-09-07 Eric Christopher <echristo@apple.com>
2527 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2528 * config/darwin.h: ... to here.
2530 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2532 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2534 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2535 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2537 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2538 TARGET_PARTIAL_FLAG_REG_STALL.
2539 (*ashldi3_cconly_rex64): Likewise.
2540 (*ashlsi3_cmp): Likewise.
2541 (*ashlsi3_cconly): Likewise.
2542 (*ashlsi3_cmp_zext): Likewise.
2543 (*ashlhi3_cmp): Likewise.
2544 (*ashlhi3_cconly): Likewise.
2545 (*ashlqi3_cmp): Likewise.
2546 (*ashlqi3_cconly): Likewise.
2547 (*ashrdi3_cmp_rex64): Likewise.
2548 (*ashrdi3_cconly_rex64): Likewise.
2549 (*ashrsi3_cmp): Likewise.
2550 (*ashrsi3_cconly): Likewise.
2551 (*ashrsi3_cmp_zext): Likewise.
2552 (*ashrhi3_cmp): Likewise.
2553 (*ashrhi3_cconly): Likewise.
2554 (*ashrqi3_cmp): Likewise.
2555 (*ashrqi3_cconly): Likewise.
2556 (*lshrdi3_cmp_rex64): Likewise.
2557 (*lshrdi3_cconly_rex64): Likewise.
2558 (*lshrsi3_cmp): Likewise.
2559 (*lshrsi3_cconly): Likewise.
2560 (*lshrsi3_cmp_zext): Likewise.
2561 (*lshrhi3_cmp): Likewise.
2562 (*lshrhi3_cconly): Likewise.
2563 (*lshrqi2_cmp): Likewise.
2564 (*lshrqi2_cconly): Likewise.
2566 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2569 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2570 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2571 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2572 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2573 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2574 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2575 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2576 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2577 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2578 implement only CC setting effects of shift instructions.
2580 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2582 * doc/contrib.texi: Add myself.
2584 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2587 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2588 was set by the user.
2590 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2593 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2594 (divsi_inv_m1): Use them.
2595 (UNSPEC_DIV_INV_TABLE): New constant.
2597 2006-09-06 James E Wilson <wilson@specifix.com>
2600 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2601 then call count_or_remove_death_notes.
2603 2006-09-06 Jason Merrill <jason@redhat.com>
2606 * tree-inline.c (copy_result_decl_to_var): New fn.
2607 (declare_return_variable): Use it. Call declare_inline_vars here.
2608 (expand_call_inline): Not here.
2610 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2612 * doc/contrib.texi: Update my entry.
2614 2006-09-06 Nick Clifton <nickc@redhat.com>
2616 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2618 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2621 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2622 (canonicalize_induction_variables): Likewise.
2623 (tree_unroll_loops_completely): Likewise.
2624 (tree_ssa_prefetch_arrays): Likewise.
2625 (remove_empty_loops): Likewise.
2626 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2627 TODO_cleanup_cfg instead of directly calling
2628 cleanup_tree_cfg_loop.
2629 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2631 (tree_unroll_loops_completely): Likewise.
2632 (remove_empty_loops): Likewise.
2633 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2634 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2635 of tree_ssa_unswitch_loops.
2636 (tree_ssa_loop_ivcanon): Use the return value of
2637 canonicalize_induction_variables.
2638 (tree_ssa_empty_loop): Use the return value of
2640 (tree_complete_unroll): Use the return value of
2641 tree_unroll_loops_completely.
2642 (tree_ssa_loop_prefetch): Use the return value of
2643 tree_ssa_prefetch_arrays.
2644 * passes.c (execute_todo): Before Cleanup CFG, set
2645 updating_used_alone and after cleanup CFG, call
2646 recalculate_used_alone.
2648 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2651 * tree-vect-transform.c (vectorizable_condition): Move the check
2652 for the type after the check for simple condition.
2654 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2655 Kaz Kojima <kkojima@gcc.gnu.org>
2658 * mode-switching.c (optimize_mode_switching): Make the destination
2659 block of an abnormal edge have no anticipatable mode. Don't
2660 insert mode switching code at the end of the source block of
2663 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2665 PR rtl-optimization/26847
2666 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2667 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2668 (simplify_plus_minus): Count n_constants while filling ops. Replace
2669 qsort with insertion sort. Before going through the array to simplify
2670 pairs, sort it. Delay early exit until after the first sort, exiting
2671 only if no swaps occurred. Simplify pairs in reversed order, without
2672 special-casing the first iteration. Pack ops after simplifying pairs.
2674 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2676 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2677 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2678 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2679 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2681 2006-09-05 Richard Guenther <rguenther@suse.de>
2683 PR tree-optimization/28900
2684 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2685 compound conditional before creating COND_EXPR condition.
2687 2006-09-05 Richard Guenther <rguenther@suse.de>
2689 PR tree-optimization/28905
2690 * tree-vrp.c (fix_equivalence_set): Manually implement
2691 !value_ranges_intersect_p to also handle symbolic ranges.
2693 2006-09-05 Richard Guenther <rguenther@suse.de>
2696 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2699 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2701 PR rtl-optimization/27616
2702 * cse.c (table_size): New static variable.
2703 (new_basic_block): Initialize it to 0.
2704 (remove_from_table): Decrement it.
2705 (insert): Increment it.
2706 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2707 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2708 fold_rtx_mem_1 if under the cap.
2709 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2710 the lookup of the equivalent expression and test for equality of the
2711 first operand of the equivalent expression before in turn looking up
2712 an equivalent constant for the second operand.
2714 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2717 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2718 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2719 pointer, instead of assuming it is possible to derive the
2720 correct args size from a call insn.
2722 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2725 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2726 (fold_builtin_mempcpy): Rename to...
2727 (fold_builtin_memory_op): ... this. Optimize one element copy
2729 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2731 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2732 (expand_builtin_memcpy, expand_builtin_mempcpy,
2733 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2734 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2735 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2736 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2738 2006-09-01 DJ Delorie <dj@redhat.com>
2740 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2741 (stzx_16): Likewise.
2742 ("stzx_24_<mode>"): Likewise.
2743 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2744 ("cmp<mode>_op"): New.
2745 (cmp<mode>): Change to expander; just save operands.
2747 (b<code>): Change to expander, emit compare here.
2748 (s<code>_op): Change to use split and expander.
2749 (s<code>_24_op): Likewise.
2750 (s<code>_<mode>): New.
2751 (s<code>_<mode>_24): New.
2752 (movqicc_<code>_<mode): New.
2753 (movhicc_<code>_<mode>): New.
2756 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2757 (m32c_pend_compare): New.
2758 (m32c_unpend_compare): New.
2759 (m32c_expand_scc): New.
2760 (m32c_expand_movcc): Emit the compare also.
2761 * config/m32c/predicates.md (mra_nopp_operand): New.
2763 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2764 Richard Guenther <rguenther@suse.de>
2765 Adam Nemet <anemet@caviumnetworks.com>
2768 * builtins.c (get_pointer_alignment): Handle more forms
2769 of base addresses that can be used to derive more precise
2770 information about alignment.
2772 2006-09-01 Jason Merrill <jason@redhat.com>
2775 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2778 * gimplify.c (voidify_wrapper_expr): Handle null type.
2780 2006-09-01 Josh Conner <jconner@apple.com>
2783 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2784 (execute_return_slot_opt): Use it.
2786 2006-08-31 Josh Conner <jconner@apple.com>
2789 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2790 returning aggregates.
2792 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2794 PR tree-optimization/28839
2795 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2796 blocks in that phi arguments appear.
2798 2006-08-31 Roger Sayle <roger@eyesopen.com>
2801 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2802 NULL, otherwise use an advance_loc4 to adjust relative to the
2804 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2805 (dwarf2out_switch_text_section): Reset the current label to avoid
2806 using advance_loc4 over section boundaries.
2808 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2811 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2812 r12 + SYMBOLIC_CONST.
2814 2006-08-30 Richard Guenther <rguenther@suse.de>
2816 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2818 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2820 PR rtl-optimization/27735
2821 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2822 Add new argument to keep track of whether an irreducible region
2823 was affected. All callers changed.
2824 (fix_irreducible_loops): Removed.
2825 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2826 flags were invalidated.
2828 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2830 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2831 instead of SF operands.
2832 (*fop_df_comm_sse): Likewise.
2833 (*fop_df_comm_i387): Likewise.
2834 (*fop_df_1_mixed): Likewise.
2835 (*fop_df_1_sse): Likewise.
2837 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2838 J"orn Rennecke <joern.rennecke@st.com>
2840 PR tree-optimization/17506
2841 * tree-ssa.c (warn_uninit): If warning about a location outside of
2842 the current function, note where the variable was declared.
2844 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2846 PR tree-optimization/28411
2847 * double-int.c (double_int_div): Use double_int_divmod.
2848 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2849 double_int_mod, double_int_smod, double_int_umod): New functions.
2850 * double-int.h (double_int_divmod, double_int_sdivmod,
2851 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2853 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2855 (get_computation_aff, get_computation_cost_at): Handle double_int
2856 return type of constant_multiple_of.
2858 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2861 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2862 an implicit conversion.
2864 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2866 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2868 2006-08-27 Roger Sayle <roger@eyesopen.com>
2870 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2873 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2875 * config/i386/crtfastmath.c: Fix a comment typo.
2877 2006-08-26 Roger Sayle <roger@eyesopen.com>
2879 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2880 temporary visit flags on CASE_LABEL_EXPRs.
2881 * c-common.c (match_case_to_enum): Add function comment. Avoid
2882 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2883 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2884 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2885 a constant, only warn if that constant value isn't handled.
2887 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2890 * input.h (restore_input_file_stack): Declare.
2891 (INPUT_FILE_STACK_BITS): Define.
2892 * toplev.c (fs_p, input_file_stack_history,
2893 input_file_stack_restored, restore_input_file_stack): New.
2894 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2895 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2896 (pop_srcloc): Don't free old state of stack.
2898 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2901 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2902 (PowerPC Type Attributes): New.
2904 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2906 * config/xtensa/xtensa.c (function_arg_boundary): New.
2907 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2909 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2910 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2912 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2915 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2918 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2920 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2921 (verify_local_live_at_start): Likewise.
2923 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2926 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2927 omp_add_variable): Treat sizes as variable whenever not
2930 2006-08-26 Richard Guenther <rguenther@suse.de>
2933 * fold-const.c (fold_binary): Fold temporary to correct
2934 type before constructing new comparison.
2936 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2939 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2940 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2942 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2945 * c-decl.c (start_function): Don't try to process prototype
2946 information from old declaration that isn't a function.
2948 2006-08-25 Jan Hubicka <jh@suse.cz>
2951 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2953 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2956 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2959 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2961 PR tree-optimization/16876
2962 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2963 exit if PARM doesn't match VALUE.
2965 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2967 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2968 literal_prefix directive.
2969 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2970 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2971 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2973 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2976 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2977 predicate to general_operand. Add 0->y and I->r alternatives.
2979 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2981 * doc/tm.texi: Fix a typo.
2982 * predict.c: Fix comment typos.
2984 2006-08-25 Nick Clifton <nickc@redhat.com>
2986 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2987 assertions of "cpu" and "machine".
2989 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2992 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2993 the access through a base which has an alias set of 0 cannot
2996 2006-08-24 Bill Wendling <wendling@apple.com>
2998 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3000 2006-08-24 Jan Hubicka <jh@suse.cz>
3002 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3004 2006-08-24 Jan Hubicka <jh@suse.cz>
3007 * cgraph.c: Fix comments.
3008 (cgraph_varpool_mark_needed_node): Mark only variables not already
3010 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3011 (cgraph_varpool_assembled_nodes_queue): New static variable.
3012 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3013 (cgraph_varpool_output_debug_info): New function.
3014 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3015 * Makefile.in: Add gt-cgraphunit.h
3017 2006-08-24 Jan Hubicka <jh@suse.cz>
3019 * predict.c (probability_reliable_p): New predicate.
3020 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3021 (predict_loops): Do not predict loop exit with less than 2%
3023 * basic-block.h (edge_probability_reliable_p,
3024 br_prob_note_reliable_p): Declare.
3025 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3026 prediction when static predictor is not reliable.
3027 * rs6000.c (output_cbranch): Likewise.
3029 2006-08-23 Stuart Hastings <stuart@apple.com>
3032 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3033 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3035 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3038 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3039 complex values, nor for generic vector values.
3041 2006-08-22 Richard Guenther <rguenther@suse.de>
3044 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3045 parameter. Convert arguments to arithmetic expression to the
3047 (analyze_scalar_evolution_1): Adjust caller.
3049 2006-08-22 Jan Hubicka <jh@suse.cz>
3051 Patch by Paolo Bonzini
3052 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3055 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3057 PR tree-optimization/28003
3058 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3059 before grouping aliases.
3061 2006-08-22 Roger Sayle <roger@eyesopen.com>
3063 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3064 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3066 2006-08-21 Jason Merrill <jason@redhat.com>
3069 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3070 wrapper. Loop to handle nested wrappers.
3071 (gimplify_bind_expr): Remove temp parameter.
3072 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3073 and STATEMENT_LIST on the rhs.
3074 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3075 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3076 (gimplify_target_expr): Remove special BIND_EXPR handling.
3078 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3080 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3083 2006-08-21 Olivier Hainque <hainque@adacore.com>
3085 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3086 Arrange for the temporary captures of components overlapping the lhs
3087 to happen before the lhs is possibly cleared.
3089 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3091 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3092 necessary places to pass the correct "number of registers" values
3095 2006-08-20 Jan Hubicka <jh@suse.cz>
3097 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3098 (create_name_tags): Instead of quadratic checking use hashtable.
3099 * bitmap.h: Include hashtab.h.
3100 (bitmap_hash): Declare.
3101 * bitmap.c (bitmap_hash): New function.
3103 2006-08-20 Jan Hubicka <jh@suse.cz>
3105 PR rtl-optimization/28071
3106 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3108 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3109 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3110 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3111 cgraph_decide_inlining_incrementally): Update use of
3112 cgraph_check_inline_limits.
3113 * cgraph.c (edge_hash, edge_eq): New function.
3114 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3115 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3116 cgraph_remove_node): Maintain call site hash.
3117 * cgraph.h (struct cgraph_node): Add call_site_hash.
3118 (cgraph_set_call_stmt): New function.
3120 2006-08-20 Jan Hubicka <jh@suse.cz>
3122 PR rtl-optimization/28071
3123 * reload1.c (reg_has_output_reload): Turn into regset.
3124 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3125 choose_reload_regs, emit_reload_insns): Update to new
3126 reg_has_output_reload.
3128 2006-08-20 Jan Hubicka <jh@suse.cz>
3131 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3132 function body sizes.
3133 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3135 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3138 * tree.c (handle_dll_attribute): Return early if not a
3139 var or function decl.
3141 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3144 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3145 alignment of SPE vector types.
3147 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3149 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3151 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3154 * cgraph.h (struct cgraph_node): Remove externally_visible
3156 * cgraphunit.c (process_function_and_variable_attributes): Set
3157 local.externally_visible rather than externally_visible.
3160 * c-common.c (handle_externally_visible_attribute): First look
3161 at TREE_CODE and only if it is function or var decl, check for
3162 non-public objects. Don't warn for DECL_EXTERNAL.
3163 * cgraphunit.c (process_function_and_variable_attributes): Warn
3164 if externally_visible attribute is used on non-public object.
3166 2006-08-17 Jan Hubicka <jh@suse.cz>
3168 PR tree-optimization/27865
3169 * reload1.c (forget_marked_reloads): New function.
3170 (forget_old_reloads_1): When data are passed, just mark the registers
3172 (reload_as_needed): Use the new mechanizm.
3174 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3177 * reload.h (reg_equiv_alt_mem_list): New declaration.
3178 * reload1.c (reg_equiv_alt_mem_list): New definition.
3179 (reload): Initialize it and release it.
3180 (delete_output_reload): Use it.
3181 * reload.c (push_reg_equiv_alt_mem): New function.
3182 (find_reloads_toplev): Call it.
3183 (find_reloads_address, find_reloads_address_1): Likewise.
3184 (find_reloads_subreg_address): Likewise.
3186 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3188 PR rtl-optimization/28489
3189 * sched-ebb.c (begin_schedule_ready): Create basic block
3191 (advance_target_bb): Skip empty blocks.
3192 * haifa-sched.c (bb_note): Make global.
3193 * sched-int.h (bb_note): Add prototype.
3195 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3197 PR tree-optimization/27865
3198 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3200 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3201 fold_used_pointer, pointer_used_p): New functions.
3202 (analyze_scalar_evolution_1): Use fold_used_pointer.
3203 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3204 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3207 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3210 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3211 or the INTEGER_CST. Fail on a CALL_EXPR.
3212 (fold_offsetof): Pass new argument to fold_offsetof_1.
3213 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3214 operand into an INDIRECT_REF.
3215 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3217 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3219 PR gcov/profile/26570
3220 * value-prof.c (static_values): Removed.
3221 (tree_find_values_to_profile): Do not set static_values.
3222 (find_values_to_profile): Do not free static_values.
3223 * profile.c (instrument_values): Do not free the values.
3224 (branch_prob): Free the values.
3226 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3228 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3230 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3233 * c-typeck.c (build_component_ref): Combine qualifiers of
3234 structure or union and field.
3236 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3238 PR rtl-optimization/28071
3239 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3240 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3241 * tree-into-ssa.c (struct dom_dfsnum): New.
3242 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3244 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3245 compute_global_livein.
3246 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3247 in phi nodes in the correct blocks.
3249 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3251 PR tree-optimization/28364
3252 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3254 (fold_affine_expr): New function.
3255 (may_eliminate_iv): Use fold_affine_expr.
3257 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3260 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3263 2006-08-16 Mike Stump <mrs@apple.com>
3265 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3266 * doc/cppopts.texi (-MD): Likewise.
3268 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3271 * c-common.c (handle_weak_attribute): Ignore and warn if
3272 not a FUNCTION_ or VAR_DECL.
3274 2006-07-15 Mike Stump <mrs@apple.com>
3277 * c-parser.c (c_parser_typeof_specifier): Don't use
3278 c_finish_expr_stmt, open code desired semantics instead.
3280 2006-08-15 Nick Clifton <nickc@redhat.com>
3282 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3283 fragment to tmake_file only if threads are enabled.
3284 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3285 * config/i386/t-gthr-win32: New file. ... here.
3287 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3290 * c-parser.c (c_parser_compound_statement_nostart): Reset
3291 parser->error after each statement.
3293 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3296 * omp-low.c (lower_omp_parallel): Convert t to
3297 receiver_decl's type.
3298 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3299 source before comparison.
3302 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3303 to itype in assignment to oldival2.
3305 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3309 * c-typeck.c (build_compound_expr): If the second expression
3310 is an error mark, then just return an error mark instead of
3311 creating a COMPOUND_EXPR.
3313 2006-07-14 Mike Stump <mrs@apple.com>
3315 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3317 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3319 * c-decl.c, var-tracking.c: Fix comment typos.
3321 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3323 PR rtl-optimization/28634
3324 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3325 for floating-point modes unless flag_unsafe_math_optimizations.
3327 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3328 Andrew Pinski <pinskia@physics.uc.edu>
3331 * tree.c (build_array_type): Unify array types with
3332 unspecified index_type.
3333 * c-decl.c (grokdeclarator): Make sure we do not modify a
3334 unified incomplete array type.
3335 * c-typeck.c (store_init_value): Create distinct type before
3336 filling in the index type in an initializer from a compound
3339 * c-decl.c (grokdeclarator): Remove code where we copy the
3342 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3344 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3345 into account for TODO_dump_cgraph.
3346 (TODO_update_ssa_no_phi): Likewise.
3347 (TODO_update_ssa_full_phi): Likewise.
3348 (TODO_update_ssa_only_virtuals): Likewise.
3349 (TODO_remove_unused_locals): Likewise.
3350 (TODO_set_props): Likewise.
3351 (TODO_update_stmt_usage): Likewise.
3353 2006-08-13 Dirk Mueller <dmueller@suse.de>
3355 * c-common.c (strict_aliasing_warning): Fix formatting.
3357 2006-08-13 Matthias Klose <doko@debian.org>
3359 * doc/invoke.texi: Fix spelling errors.
3361 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3363 PR rtl-optimization/23454
3364 * reorg.c (relax_delay_slots): Update comment.
3366 2006-08-11 Richard Guenther <rguenther@suse.de>
3369 * simplify-rtx.c (simplify_const_relational_operation):
3370 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3373 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3375 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3376 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3378 2006-08-10 Paul Brook <paul@codesourcery.com>
3380 * final.c (final_scan_insn): Clear current_insn_predicate before
3381 outputting inline asm.
3383 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3385 PR tree-optimization/26197
3386 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3387 get_ref_base_and_extent and overlap_subvar to add only relevant
3388 subvars as may-aliases.
3389 (add_may_alias_for_new_tag): New function, factored out of
3391 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3392 with additional argument.
3393 * tree-flow.h (new_type_alias): Takes additional argument.
3395 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3397 * gcov.c (no_data_file): New flag.
3398 (read_count_file): Set it if data file not present. Assume counts
3400 (output_lines): Don't name the data file, if there wasn't one.
3402 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3404 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3405 (rs6000_generate_compare): Tweak comments.
3406 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3408 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3410 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3411 (var_debug_decl): New function.
3412 (var_reg_set): Follow debug decl link. Add location even if
3413 reg is already known to hold some other variable.
3414 (var_mem_set): Follow debug decl link.
3415 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3416 decl link. Delete other known locations of the variable part
3418 (var_reg_delete, var_mem_delete): Delete other known locations
3419 of the variable part if requested.
3420 (same_variable_part_p): New function.
3421 (add_stores): Select MO_COPY when appropriate.
3422 (vt_initialize): Handle it.
3423 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3424 known locations for MO_SET and MO_CLOBBER.
3425 (find_variable_location_part): New function.
3426 (set_variable_part, delete_variable_part): Use it.
3427 (clobber_variable_part): New function.
3428 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3431 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3433 PR tree-optimization/26969
3434 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3435 with an empty list of PHIs.
3437 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3441 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3444 2006-08-06 Andreas Schwab <schwab@suse.de>
3446 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3447 string. Whitespace and comment fixup.
3449 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3452 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3456 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3459 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3461 2006-08-04 Jan Hubicka <jh@suse.cz>
3465 * reload.c (push_reload): Patch out the mismatching instruction;
3467 (find_reload): Bail out if the instruction was patched out.
3469 2006-08-04 Jan Hubicka <jh@suse.cz>
3471 PR tree-optimization/24888
3472 * tree-inline.c (expand_call_inline): Do not re-record variables.
3473 (declare_inline_vars): Add variable to unexpanded_var_list.
3475 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3476 Roger Sayle <roger@eyesopen.com>
3478 PR rtl-optimization/26244
3479 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3480 inner_const are negative or greater than or equal to the bitsize of
3481 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3482 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3483 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3484 CONST0_RTX (mode) when the new shift count is greater than or equal to
3485 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3488 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3490 * tree-cfg.c: Fix a comment typo.
3492 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3495 * varasm.c (output_constant): Give the front end another chance to
3496 expand constants, after stripping NOPs.
3498 2006-08-03 Jan Hubicka <jh@suse.cz>
3500 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3503 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3505 PR tree-optimization/27770
3506 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3507 declaration removed (moved to tree-flow.h).
3508 (vect_can_force_dr_alignment_p): Likewise.
3509 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3510 (moved from tree-vectorizer.h).
3511 (vect_can_force_dr_alignment_p): Likewise.
3512 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3513 from outside the vectorizer - in particular from cgraph stage.
3514 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3515 the alignment of global arrays when -fsection-anchors is enabled.
3516 * cgraphunit.c (cgraph_increase_alignment): New function.
3517 (cgraph_optimize): Call cgraph_increase_alignment.
3519 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3522 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3523 not reload a SPE symbol_ref into a lo_sum address.
3525 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3528 * dwarf2out.c (prune_unused_types_prune): Move call to
3529 prune_unused_types_update_strings to cover the parent DIE also.
3531 2006-08-02 Jan Hubicka <jh@suse.cz>
3533 PR gcov/profile/28480
3534 * tree-cfg.c (change_bb_for_stmt): New function.
3535 (tree_merge_blocks, tree_split_blocks): Use it.
3537 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3543 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3544 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3545 (cgraph_optimize): Likewise.
3547 2006-08-01 Stuart Hastings <stuart@apple.com>
3549 * rtl.h (UINTVAL) New.
3550 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3551 * testsuite/gcc.dg/20060801-1.c: New.
3553 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3556 * c-typeck.c (build_external_type): Mark used enum types.
3557 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3559 (gen_subprogram_die): Whitespace fix.
3561 2006-08-01 Jan Hubicka <jh@suse.cz>
3563 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3564 bitmap when not needed.
3565 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3568 2006-08-01 Dirk Mueller <dmueller@suse.de>
3570 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3572 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3574 * Makefile.in: Revert part of previous patch:
3575 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3578 2006-07-30 Eric Christopher <echristo@apple.com>
3581 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3582 (PowerPC Variable Attributes): New section.
3584 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3586 PR target/28126 (partial fix)
3587 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3589 2006-07-28 Jan Hubicka <jh@suse.cz>
3591 PR rtl-optimization/28071
3592 * cfgrtl.c (rtl_delete_block): Free regsets.
3593 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3595 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3597 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3598 and variables used in dependencies.
3600 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3602 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3603 %fs for -mcmodel=kernel.
3604 (stack_tls_protect_test_di): Likewise.
3606 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3608 * Makefile.in: Use mkinstalldirs.
3610 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3613 * opts-common.c (prune_options): Skip joined switches.
3615 2006-07-27 Jan Hubicka <jh@suse.cz>
3617 PR rtl-optimization/28071
3618 * cselib.c (cselib_process_insn): Don't remove useless values too
3619 often for very large hashtables.
3621 2006-07-27 Jan Hubicka <jh@suse.cz>
3623 PR rtl-optimization/28071
3624 * global.c (greg_obstack): New obstack.
3625 (allocate_bb_info): Use it.
3626 (free_bb_info): Likewise.
3627 (modify_reg_pav): Likewise.
3629 2006-07-27 Roger Sayle <roger@eyesopen.com>
3631 * builtins.c (fold_fixed_mathfn): When long and long long are the
3632 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3633 functions to their lceil*, lfloor*, lround* and lrint* forms.
3635 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3638 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3640 (rev_branch_insn): Likewise.
3642 2006-07-27 Jan Hubicka <jh@suse.cz>
3644 PR rtl-optimization/28071
3645 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3646 (reg_set_in_bb, max_reg_computed): New static variables.
3647 (regmove_optimize): Free the new array.
3648 (fixup_match_1): Update call of reg_is_remote_constant_p.
3650 2006-07-26 Jan Hubicka <jh@suse.cz>
3652 PR tree-optimization/27882
3653 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3655 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3657 (cgraph_analyze_compilation_unit): Likewise.
3658 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3659 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3660 (cgraph_early_inlinine): Make order garbage collected.
3661 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3663 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3665 * dbxout.c (output_types_sort): Add a comment.
3666 (output_used_types): Free the VEC.
3668 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3670 * function.c (reorder_fix_fragments): Delete.
3671 (reorder_blocks): Don't call it.
3672 (reorder_blocks_1): Put all subblocks under the origin block.
3674 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3676 PR rtl-optimization/27907
3677 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3680 2006-07-25 Roger Sayle <roger@eyesopen.com>
3683 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3684 bar(x) check that bar's result type can represent all the values of T.
3686 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3688 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3690 2006-07-25 Nick Clifton <nickc@redhat.com>
3692 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3693 size_lookup[] array.
3694 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3695 (ggc_pch_count_object): Likewise.
3696 (ggc_pch_alloc_object): Likewise.
3697 (ggc_pch_write_object): Likewise.
3698 (init_ggc): Do not attempt to initialize entries in the
3699 size_lookup[] array for objects whose size is greater than than
3700 the length of the array.
3702 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3704 * dbxout.c (output_used_types_helper): Push queued types
3706 (output_types_sort): New.
3707 (output_used_types): Collect used types on a VEC and sort them
3710 2006-07-24 Richard Guenther <rguenther@suse.de>
3713 * cgraph.c (cgraph_remove_node): Do not check if dumps
3715 * cgraphunit.c (cgraph_optimize): Likewise.
3717 2006-07-24 Jan Hubicka <jh@suse.cz>
3719 PR rtl-optimization/28071
3720 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3721 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3722 splitting before first stmt.
3724 2006-07-24 Jan Hubicka <jh@suse.cz>
3726 PR rtl-optimization/28071
3727 * ipa-inline.c (update_caller_keys): Remove edges that
3728 are no longer inline candidates.
3730 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3733 * dbxout.c (output_used_types_helper, output_used_types): New.
3734 (dbxout_symbol): Call output_used_types.
3736 2006-07-23 Jan Hubicka <jh@suse.cz>
3740 * cgraph.c (cgraph_varpool_nodes): Export.
3741 (decide_is_variable_needed): Ignored "used" attribute in
3742 unit-at-a-time mode.
3743 * cgraph.h (cgraph_varpool_nodes): Declare.
3744 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3745 unit-at-a-time mode.
3747 2006-07-23 Roger Sayle <roger@eyesopen.com>
3750 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3751 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3752 the __gthrw form of thr_keycreate.
3753 (__gthread_key_delete): Silence the unused argument warning.
3755 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3758 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3759 Cache the last found '\0' marker to avoid quadratic behavior.
3761 2006-07-23 Jan Hubicka <jh@suse.cz>
3763 * i386.md (subsi_3_zext): Fix output template.
3765 2006-07-21 Mike Stump <mrs@apple.com>
3767 * doc/invoke.texi (C++ Dialect Options): Note that
3768 -fvisibility-inlines-hidden doesn't affect explicitly
3769 instantiationed inline methods.
3771 2006-07-20 Roger Sayle <roger@eyesopen.com>
3773 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3774 if the target assembler is GNU binutils' gas.
3775 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3776 whether to pass GNU gas or native as command line options.
3778 2006-07-20 Jason Merrill <jason@redhat.com>
3780 * tree.c (remove_attribute): New fn.
3781 * tree.h: Declare it.
3783 2006-07-20 Paul Brook <paul@codesourcery.com>
3786 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3787 they are invalidated by this instruction.
3789 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3792 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3794 2006-07-20 Eric Christopher <echristo@apple.com>
3797 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3799 2006-07-19 Eric Christopher <echristo@apple.com>
3801 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3802 Rewrite dependencies for libgcc_s.1.dylib.
3804 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3806 * except.c (duplicate_eh_regions_1): Clear next_peer.
3808 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3810 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3811 -mlongcall does not guarantee all calls will be long.
3812 * doc/extend.texi (long_call/short_call): Document that longcall
3813 does not guarantee a long call will be used.
3814 (longcall/shortcall): Likewise.
3816 2006-07-18 Roger Sayle <roger@eyesopen.com>
3819 * expmed.c (expand_shift): Additionally check that the shift_cost
3820 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3821 before implementing a LSHIFT_EXPR as a sequence of additions.
3822 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3823 middle-end that DImode shifts need to be synthesized by expand.
3825 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3828 * tree-ssa-operands.c (access_can_touch_variable): Update
3830 Return true if ALIAS is .GLOBAL_VAR.
3832 2006-07-18 David Daney <ddaney@avtrex.com>
3834 * gcc.c (display_help): Fix typo in help text.
3836 2006-07-18 Olivier Hainque <hainque@adacore.com>
3838 * tree.h (categorize_ctor_elements): Adjust prototype and add
3839 descriptive comment, both in accordance with the interface change
3841 * varasm.c (constructor_static_from_elts_p): New function.
3842 Whether a constructor node is a valid static constant initializer
3843 if all its elements are.
3844 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3845 * output.h: Declare it.
3846 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3847 is a valid constant initializer instead of computing the number of
3848 non-constant elements. Use constructor_static_from_elts_p for this
3849 purpose. Replace the head comment with an indication that this is a
3850 helper for categorize_ctor_elements.
3851 (categorize_ctor_elements): Same interface change as for the _1
3852 helper. Former head comment from this helper moved here, adjusted to
3853 account for the interface changes.
3854 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3855 (all_zeros_p): Likewise.
3856 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3857 static versions of the constructor from the categorize_ctor_elements
3858 return value instead of the formerly computed number of non-constant
3861 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3863 * configure: Regenerate.
3864 * Makefile.in (build_libsubdir): New configure substitution
3865 (build_libobjdir): New variable.
3866 (BUILD_LIBIBERTY): Use it.
3868 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3871 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3873 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3876 * c-common.c (handle_weakref_attribute): Ignore attribute in
3877 the same conditions the alias attribute is ignored.
3879 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3881 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3882 (dbxout_begin_prologue): Increment scope_labelno.
3884 2006-07-17 Richard Henderson <rth@redhat.com>
3887 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3890 2006-07-17 Roger Sayle <roger@eyesopen.com>
3891 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3893 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3894 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3895 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3896 functions such as sbrk, write, etc.. Add function prototypes.
3897 Convert function declarations from K&R to ISO C. Cast pointers
3898 to "long" and "unsigned long" instead of "int" and "unsigned int".
3899 Convert tokens following #endif into comments.
3901 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3903 * invoke.texi: Remove mention of f77; Reformat table for
3904 inline parameter options correctly; mention that -malign-double
3905 is default on x86-64 targets.
3907 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3909 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3910 (convert_affine_scev, chrec_convert_aggressive): Use
3911 avoid_arithmetics_in_type_p. Do not check for the subtypes
3914 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3917 * optabs.c (expand_doubleword_shift): Wrap the call to
3918 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3920 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3923 * optabs.c (expand_binop): Pass next_methods rather than methods
3924 to expand_doubleword_shift.
3926 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3929 * tree.h (dump_addr): Declare.
3930 * print-tree.c (dump_addr): New function.
3931 (print_node_brief, print_node): Use it.
3932 * print-rtl.c (print_rtx): Likewise.
3933 * common.opt (-fdump-noaddr): New option.
3934 * doc/invoke.texi (-fdump-noaddr): Document.
3935 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3936 (ve_info_hash): Likewise.
3938 2006-07-13 Andrew Haley <aph@redhat.com>
3940 PR tree-optimization/19505
3941 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3942 edge leaving this block, make sure that the destination of this
3943 block has only one predecessor.
3945 2006-07-17 Richard Guenther <rguenther@suse.de>
3947 PR tree-optimization/28238
3948 * tree-inline.c (copy_bb): Check if we produced valid
3949 gimple copying and substituting a stmt. If not, gimplify
3952 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3954 * optabs.c (maybe_encapsulate_block): New function extracted from...
3955 (emit_libcall_block): ...here. Invoke it on the block of insns to
3956 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3957 (emit_no_conflict_block): Likewise.
3959 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3961 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3963 2006-07-15 Roger Sayle <roger@eyesopen.com>
3965 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3966 a new NOP_EXPR case of the switch statement.
3968 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3971 * stor-layout.c (place_field): Take the bit field with
3972 an excessive size into account in the ms-bitfiled case.
3975 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3976 the previous bit field.
3978 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3981 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3983 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3985 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3986 signal frames correctly even when the signal was installed with
3989 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3991 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3992 (dbxout_function_end): Use local label LFBB. Remove hook
3994 (dbxout_source_line): Use local label LFBB.
3995 (dbxout_block): Likewise.
3996 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3997 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3998 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3999 and DBX_OUTPUT_NFUN.
4001 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4003 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4005 2006-07-13 Jan Hubicka <jh@suse.cz>
4007 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4009 * output.h (align_variable): Declare.
4010 * varasm.c (align_variable): Export.
4011 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4012 when basic block changed.
4014 2006-07-13 Nick Clifton <nickc@redhat.com>
4016 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4017 walking the LOG_LINKS chain.
4019 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4021 * doc/invoke.texi (C++ Dialect Options): Explain difference
4022 between -fvisibility-inlines-hidden and setting hidden
4023 visibility explicitly.
4025 2006-07-12 Eric Christopher <echristo@apple.com>
4027 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4028 (stmp-lipo): Depend on libgcc.a.
4030 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4032 * tree.c: Fix a comment typo.
4034 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4036 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4038 (umulhisi3_r): Likewise.
4040 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4043 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4044 x < 19, vs wchar_t support.
4046 2006-07-12 Nick Clifton <nickc@redhat.com>
4048 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4049 instead of -isa=sh4.
4051 2006-07-12 Mike Stump <mrs@apple.com>
4053 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4055 2006-07-10 Eric Christopher <echristo@apple.com>
4057 * config/t-slibgcc-darwin: Rewrite.
4059 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4062 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4065 2006-07-08 Matthias Klose <doko@debian.org>
4067 * doc/sourcebuild.texi: Fix typo.
4069 2006-07-07 Mike Stump <mrs@apple.com>
4071 * toplev.c (process_options): Don't give -ffunction-sections may
4072 affect debugging warning for Mach-O.
4074 2006-07-07 James E Wilson <wilson@specifix.com>
4076 * config/mips/mips.md (cpu): Add sb1a.
4077 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4078 addition to sb1. Adjust comments to clarify SB-1A differences from
4080 (ir_sb1a_load): New. Modify bypasses to use it.
4081 (ir_sb1a_simple_alu): Likewise.
4082 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4083 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4084 (mips_issue_rate): Add PROCESSOR_SB1A.
4085 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4086 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4087 (TARGET_SB1): Add PROCESSOR_SB1A check.
4088 (TUNE_SB1): Likewise.
4090 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4091 * config/mips/mips.c (mips_store_data_bypass_p): New.
4092 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4093 store_data_bypass_p.
4095 2006-07-08 Paul Brook <paul@codesourcery.com>
4098 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4100 2006-07-07 Richard Guenther <rguenther@suse.de>
4103 * tree.h (build_one_cst): Declare.
4104 * tree.c (build_one_cst): New function.
4105 * tree-ssa-math-opts.c (get_constant_one): Remove.
4106 (insert_reciprocals): Use build_one_cst.
4107 * fold-const.c (fold_plusminus_mult): Likewise.
4109 2006-07-07 Roger Sayle <roger@eyesopen.com>
4111 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4112 * cfgloopanal.c (dump_graph): Likewise.
4113 * dojump.c (discard_pending_stack_adjust): Likewise.
4114 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4116 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4117 * function.c (finalize_block_changes): Likewise.
4118 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4119 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4120 * rtl.c (dump_rtx_statistics): Likewise.
4121 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4123 * varray.c (dump_varray_statistics): Likewise.
4124 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4125 decode_decimal64, encode_decimal128, decode_decimal128,
4126 decimal_real_to_decimal): Likewise.
4128 2006-07-07 Richard Guenther <rguenther@suse.de>
4130 PR tree-optimization/28187
4131 * tree-vrp.c (vrp_operand_equal_p): New function.
4132 (vrp_bitmap_equal_p): Likewise.
4133 (update_value_range): Use them to compare old and new
4136 2006-07-06 Roger Sayle <roger@eyesopen.com>
4138 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4139 a default case to switch statement to silence compiler warnings.
4141 2006-07-06 Roger Sayle <roger@eyesopen.com>
4144 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4145 the configured assembler supports the x87's ffreep mnemonic.
4146 * configure: Regenerate.
4147 * config.in: Regenerate.
4149 * config/i386/i386.c (output_387_ffreep): New function.
4150 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4151 (output_387_reg_move): Likewise.
4153 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4155 Port to hosts whose 'sort' and 'tail' implementations
4156 treat operands with leading '+' as file names, as POSIX
4157 has required since 2001. However, make sure the code still
4158 works on pre-POSIX hosts.
4159 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4160 which says you should use "tail -c +N" rather than "tail +Nc".
4161 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4163 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4165 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4168 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4171 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4172 PRE_{INC,DEC} of TFmode.
4174 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4175 Alan Modra <amodra@bigpond.net.au>
4178 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4181 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4184 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4185 Remove duplicate gtu.
4187 2006-07-05 Jason Merrill <jason@redhat.com>
4191 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4192 * c-common.c (handle_packed_attribute): So don't copy it here.
4193 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4195 2006-07-05 Mike Stump <mrs@apple.com>
4197 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4199 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4202 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4204 2006-07-05 Richard Guenther <rguenther@suse.de>
4207 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4208 TARGET_SSE2 targets if using SSE math.
4209 (*absdf2_1): Likewise.
4211 2006-07-05 Richard Guenther <rguenther@suse.de>
4213 PR tree-optimization/28162
4214 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4215 make sure to convert the operands to the correct type.
4217 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4219 PR tree-optimization/28218
4221 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4222 to calculate and free the dominator information.
4224 2006-07-04 Peter O'Gorman <peter@pogma.com>
4226 * mklibgcc.in: chmod 644 before ranlib during install.
4228 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4229 J"orn Rennecke <joern.rennecke@st.com>
4231 * configure.ac (.eh_frame data check): Use diff -b.
4233 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4236 * Makefile.in (BUILD_RTL): Add build/vec.o.
4237 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4238 (build/genextract): Delete.
4239 (build/genautomata): Likewise.
4241 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4244 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4245 128-bit IBM long doubles for ABI_V4.
4247 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4249 * tree.c (range_in_array_bounds_p): New predicate.
4250 * tree.h (range_in_array_bounds_p): Declare it.
4251 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4252 return a less conservative answer.
4253 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4254 and flag 'is_group'.
4255 (IS_ELEMENT_FOR_GROUP): New macro.
4256 (FOR_EACH_ACTUAL_CHILD): Likewise.
4257 (next_child_for_group): New helper function.
4258 (can_completely_scalarize_p): Take into account groups.
4259 (sra_hash_tree): Handle RANGE_EXPR.
4260 (sra_elt_eq): Likewise.
4261 (lookup_element): Be prepared for handling groups.
4262 (is_valid_const_index): Delete.
4263 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4264 instead of is_valid_const_index.
4265 <ARRAY_RANGE_REF>: New case.
4266 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4267 is_valid_const_index.
4268 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4269 (scan_dump): Dump info for groups too.
4270 (decide_instantiation_1): Likewise.
4271 (decide_block_copy): Assert that the element is not a group.
4272 Propagate decision to groups.
4273 (generate_one_element_ref): Handle RANGE_EXPR.
4274 (mark_no_warning): Iterate over actual childs.
4275 (generate_copy_inout): Likewise.
4276 (generate_element_copy): Likewise.
4277 (generate_element_zero): Likewise.
4278 (generate_element_init_1): Likewise.
4279 (dump_sra_elt_name): Handle RANGE_EXPR.
4281 2006-07-03 Roger Sayle <roger@eyesopen.com>
4283 PR tree-optimization/26251
4284 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4285 (thread_block): When optimizing for size refuse to thread jumps
4286 that would require duplication of blocks other than redirection
4289 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4291 * configure.ac: Fix thinko in previous check-in.
4292 * configure: Regenerate.
4294 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4297 * configure.ac (for lang...): Simplify nesting of conditionals.
4298 Test subdir_requires for non-enabled languages. Move processing
4299 of lang_opt_files and lang_tree_fiels below that test.
4300 * configure: Regenerate.
4301 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4303 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4305 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4307 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4309 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4312 2006-06-29 Jason Merrill <jason@redhat.com>
4319 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4320 * c-common.c (c_determine_visibility): Handle it here.
4321 * c-decl.c (finish_decl): Call c_determine_visibility for
4323 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4325 * varasm.c (default_assemble_visibility): Likewise.
4326 * c-common.c (handle_visibility_attribute): Complain about trying
4327 to give visibility to an already defined class, or trying to change
4328 declared visibility. Always attach the attribute.
4333 * attribs.c (decl_attributes): Ignore type-in-place attributes
4334 once the type has been defined.
4336 2006-06-29 Roger Sayle <roger@eyesopen.com>
4339 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4340 to indicate the cpplib has issued an error message for us.
4342 2006-06-29 Asher Langton <langton2@llnl.gov>
4345 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4346 insert a label at the end of an function under Mach-O.
4348 2006-06-29 Eric Christopher <echristo@apple.com>
4349 Evan Cheng <evan.cheng@apple.com>
4351 * predicates.md (vector_all_ones_operand): New.
4352 (nonimmediate_or_sse_const_operand): Ditto.
4353 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4354 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4355 (standard_sse_mode_p): Ditto.
4356 (standard_sse_constant_p): Add case for -1 vector.
4357 (ix86_expand_vector_move): Try to use.
4358 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4359 Call standard_sse_constant_opcode.
4360 (*movv4sf_internal): Ditto.
4361 (*movv2df_internal): Ditto.
4363 2006-06-29 Roger Sayle <roger@eyesopen.com>
4365 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4366 of XEXP to extract the operands of a MATCH_CODE rtx.
4368 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4370 * tree.c (tree_size): Do not waste tail padding in
4371 struct tree_string and make the size be the same as
4372 build_string will generate.
4374 2006-06-28 Jason Merrill <jason@redhat.com>
4377 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4378 may_aliases already in the tag's annotations to the bitmap.
4380 2006-06-28 Roger Sayle <roger@eyesopen.com>
4382 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4384 2006-06-28 Roger Sayle <roger@eyesopen.com>
4386 * genpreds.c (generate_switch_p): New function.
4387 (add_mode_tests): Push the new mode test down inside an AND expr
4388 if this allows the switch-suitable MATCH_CODE to be near the root.
4389 (write_match_code_switch): New function to write a MATCH_CODE as
4391 (write_predicate_stmts): New function to write a predicate RTX
4392 expression as a sequence of statements.
4393 (write_one_predicate_function): Use write_predicate_stmts.
4394 (write_tm_constrs_h): Likewise.
4396 2006-06-26 Fred Fish <fnf@specifix.com>
4398 * config/mips/t-sb1: New file.
4399 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4402 2006-06-26 DJ Delorie <dj@redhat.com>
4404 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4406 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4407 Jayant Sonar <jayants@kpitcummins.com>
4408 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4410 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4411 (subsi3, subsi3_1, subsi3_2): New.
4412 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4413 * config/m32c/mov.md (SI mov peephole): New.
4414 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4415 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4417 2006-06-26 Olivier Hainque <hainque@adacore.com>
4419 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4420 a CALL_EXPR target function declaration.
4422 2006-06-26 Richard Guenther <rguenther@suse.de>
4424 * tree.c (build_string): Do not waste tail padding in
4427 2006-06-26 Richard Guenther <rguenther@suse.de>
4429 * ggc-page.c (init_ggc): Add missing element to size_lookup
4433 2006-06-23 Richard Guenther <rguenther@suse.de>
4435 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4436 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4437 alignment requests instead. Add verification code.
4438 Add struct tree_function_decl and struct tree_binfo size to
4439 extra_order_size_table. Add missing element to size_lookup
4442 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4445 * fold-const.c (const_binop): Be prepared for self returning zero.
4446 Simplify code handling complex values.
4448 2006-06-24 Olivier Hainque <hainque@adacore.com>
4450 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4451 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4454 2006-06-24 Olivier Hainque <hainque@adacore.com>
4456 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4457 ARRAY_REF, so have the callback called for the low bound expression.
4459 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4461 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4462 * c-typeck.c (c_common_type): Disallow operations on decimal float
4463 types and other float types.
4464 * convert.c (convert_to_real): Don't ignore conversions involving
4465 decimal float types.
4467 2006-06-23 Olivier Hainque <hainque@adacore.com>
4469 * tree.c (max_int_size_in_bytes): New function, inspired from
4470 code in function.c:assign_temp.
4471 * tree.h (max_int_size_in_bytes): Declare.
4472 * function.c (assign_temp): Use it.
4473 * gimplify.c (create_tmp_var): Relax the assertions on the type
4474 properties, not mandating constant size any more.
4475 (force_constant_size): New static function.
4476 (gimple_add_tmp_var): Use it, forcing variable size to a
4477 constant upper bound if it is not constant on entry.
4479 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4482 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4483 for initialization and setting of one_only flag to ...
4484 (i386_pe_encode_section_info): ...here.
4485 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4486 Recheck that the symbol has not been defined.
4488 2006-06-23 Richard Guenther <rguenther@suse.de>
4490 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4491 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4492 alignment requests instead. Add verification code.
4493 Add struct tree_function_decl and struct tree_binfo size to
4494 extra_order_size_table. Add missing element to size_lookup
4497 2006-06-22 Roger Sayle <roger@eyesopen.com>
4498 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4501 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4502 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4504 2006-06-23 Ben Elliston <bje@au.ibm.com>
4506 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4507 negate dn -- manipulate it directly.
4509 2006-06-22 Roger Sayle <roger@eyesopen.com>
4510 Steven Bosscher <stevenb.gcc@gmail.com>
4513 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4514 generated by gen_move_insn to add REG_LABEL notes if necessary.
4516 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4518 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4519 (leaf_entry): Remove use of MIN_ESA.
4521 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4523 PR rtl-optimization/28121
4524 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4527 2006-06-21 DJ Delorie <dj@redhat.com>
4529 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4531 (mulhisi3_r): Likewise.
4533 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4536 * coverage.c (coverage_counter_alloc): Leave the index type
4538 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4541 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4543 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4544 section from the "Options for Code Generation Conventions".
4546 2006-06-21 Richard Henderson <rth@redhat.com>
4550 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4552 (global_symbolic_operand): Allow weak symbols, even if local_p.
4554 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4556 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4557 (find_interesting_uses_address): Punt if above function returns true.
4559 2006-06-21 Richard Guenther <rguenther@suse.de>
4561 * configure: Regenerated.
4563 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4565 * config/mips/mips.c (function_arg): Where one part of a
4566 complex argument is in registers and the other part in the stack,
4567 return a REG not a PARALLEL.
4569 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4571 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4572 when cross-compiling. Do not substitute libstdcxx_incdir.
4573 * configure: Regenerated.
4575 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4577 * varasm.c (mergeable_string_section): Check for embedded NULs and
4578 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4579 rather than TREE_STRING_LENGTH bytes.
4581 2006-06-21 Richard Guenther <rguenther@suse.de>
4583 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4584 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4587 2006-06-21 Richrad Guenther <rguenther@suse.de>
4589 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4590 Limit iteration over the dominators.
4592 2006-06-20 Roger Sayle <roger@eyesopen.com>
4594 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4595 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4597 2006-06-20 Richard Guenther <rguenther@suse.de>
4598 Michael Matz <matz@suse.de>
4600 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4602 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4603 * et-forest.h (et_free_pools): Prototype new function.
4604 * et-forest.c (et_free_tree_force): Free parent occurrence.
4605 (et_free_pools): New function.
4606 * dominance.c (free_dominance_info): Free et-forest alloc
4609 2006-06-20 Roger Sayle <roger@eyesopen.com>
4611 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4612 integer modes, attempt to directly construct an integer constant.
4614 * fold-const.c (native_encode_vector): Determine the size of each
4615 element from the vector type instead of the first vector element.
4617 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4618 if all of its elements/components are constant.
4619 (build_constructor_from_list): Likewise.
4621 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4623 PR tree-optimization/27331
4624 * tree-data-ref.c (free_data_ref): New function.
4625 (create_data_ref): Fail if the data reference has unknown access
4627 (free_data_refs): Use free_data_ref.
4629 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4632 * tree-inline.c (setup_one_parameter): Strip useless
4633 type conversion before adding it to the IR.
4634 (declare_return_variable): Likewise.
4636 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4639 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4641 2006-06-19 Mike Stump <mrs@apple.com>
4643 * tree.c (variably_modified_type_p): VM arguments don't make the
4646 2006-06-19 Richard Guenther <rguenther@suse.de>
4648 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4649 type conversions after folding.
4651 2006-06-19 Richard Guenther <rguenther@suse.de>
4653 * ggc-page.c (extra_order_size_tab): Add entries with
4654 size of struct function and basic_block.
4655 (size_lookup): Extend to cover sizes up to 511.
4656 (ggc_alloc_stat): Adjust user.
4657 (ggc_pch_count_object): Likewise.
4658 (ggc_pch_alloc_object): Likewise.
4659 (ggc_pch_write_object): Likewise.
4661 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4663 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4664 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4667 2006-06-19 Denis Chertykov <denisc@overta.ru>
4669 * config/avr/libgcc.S : Correct my wrong previous commit.
4671 2006-06-19 Roger Sayle <roger@eyesopen.com>
4674 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4675 have stripped a SUBREG from the shift count, so we may need to
4676 convert_to_mode back to the type's mode before calling make_tree.
4677 Use new_amount instead of amount to avoid expanding a tree twice.
4679 2006-06-19 Richard Guenther <rguenther@suse.de>
4682 * fold-const.c (operand_equal_p): Check if the argument types
4683 have the same precision before stripping NOPs.
4685 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4687 Fix PR tree-optimization/27341
4688 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4690 * tree-complex.c (pass_lower_complex): Update SMT usage.
4692 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4694 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4695 Add a new alternative to the constraint strings. Add move of
4696 operand 1 to 3 to the splitter definition.
4697 ("doloop_si_long"): Second contraint alternative removed.
4699 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4701 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4702 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4704 (AVR_HAVE_MOVW) Define.
4705 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4706 (ASM_SPEC): Add avr25.
4707 (LINK_SPEC): Add avr25.
4708 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4709 (base_arch_s): Add new member 'have_movw_lpmx'.
4710 (avr_arch_types): Init 'have_movw_lpmx'.
4711 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4712 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4713 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4714 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4715 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4717 (avr_file_start): Do not output '.arh' derective.
4718 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4719 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4720 * config/avr/avr.md (mcu_enhanced): Delete.
4721 (mcu_have_movw): Define.
4722 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4723 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4724 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4725 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4726 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4727 attiny861 and at86rf401 devices.
4729 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4731 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4734 2006-06-17 Karl Berry <karl@gnu.org>
4736 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4737 doc/gccint.texi, doc/install.texi (@dircategory): Use
4738 "Software development" instead of "Programming", following
4739 the Free Software Directory.
4741 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4743 * config/i386/i386.c (legitimate_tls_address)
4744 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4745 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4746 (*tls_dynamic_gnu2_combine_64): Likewise.
4748 2006-06-16 Richard Guenther <rguenther@suse.de>
4751 * fold-const.c (negate_expr_p): Do not introduce undefined
4752 overflow in negating INTEGER_CSTs.
4753 (fold_negate_expr): Rename from negate_expr. Revert last
4754 change for folding BIT_NOT_EXPR. Change semantics to
4755 return NULL_TREE for non-simplified negations. Do not
4756 strip type conversions and unify type handling.
4757 (negate_expr): New function, wrap around fold_negate_expr
4758 but ensure building a tree always. Strip type conversions
4759 here, fold to result type.
4760 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4762 2006-06-16 Roger Sayle <roger@eyesopen.com>
4765 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4766 that (would) return their results in stack registers.
4768 2006-06-16 Michael Matz <matz@suse.de>
4769 Richard Guenther <rguenther@suse.de>
4771 * fold-const.c (fold_truthop): Only return new tree node if
4772 we canonicalized something.
4774 2006-06-16 Richard Guenther <rguenther@suse.de>
4776 * function.h (enum function_frequency): Move declaration
4777 out of struct function.
4778 (struct function): Move bool fields and the enum to the bitfield
4779 section. Reorder elements to avoid padding. Remove unused
4780 fields left over from the RTL inliner removal.
4781 * function.c (free_after_compilation): Do not zero removed fields.
4782 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4783 (ipa-type-escape.o): Likewise.
4785 2006-06-16 Richard Guenther <rguenther@suse.de>
4787 * cgraph.h (struct cgraph_local_info): Turn bool elements
4789 (struct cgraph_node): Likewise.
4790 (struct cgraph_varpool_node): Likewise.
4792 2006-06-15 Richard Guenther <rguenther@suse.de>
4794 * fold-const.c (fold_truth_not_expr): Rename from
4795 invert_truthvalue. Give it fold_* semantics to avoid
4797 (invert_truthvalue): New function. Wrapper around
4798 fold_truth_not_expr.
4799 (optimize_minmax_comparison): Avoid creating garbage.
4800 (fold_unary): Use fold_truth_not_expr for folding
4802 (fold_ternary): Replace uses of invert_truthvalue with
4803 fold_truth_not_expr where applicable.
4804 * tree.h (fold_truth_not_expr): Prototype.
4806 2006-06-16 Richard Guenther <rguenther@suse.de>
4808 PR tree-optimization/27781
4809 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4810 * ipa-pure-const.c (target.h): Include.
4811 (analyze_function): Do not analyze functions that do not
4814 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4817 * tree-dfa.c (referenced_vars_dup_list): Remove.
4818 (find_referenced_vars): Remove assert.
4819 (referenced_var_check_and_insert): Replace dup list with assert.
4820 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4821 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4823 2006-06-15 Richard Guenther <rguenther@suse.de>
4825 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4826 extra unused identifiers if not dumping.
4827 (create_variable_info_for): Likewise.
4829 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4831 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4832 (derive_constant_upper_bound): Derive more precise upper bound in
4833 common cases. Return type changed to double_int.
4834 (record_estimate): Reflect the changed return type of
4835 derive_constant_upper_bound.
4836 * double-int.c (double_int_zext, double_int_sext): Fix.
4838 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4840 * configure.ac (CFLAGS): Get them from the toplevel or from the
4841 configure invocation.
4842 * configure: Regenerate.
4843 * Makefile.in (CFLAGS): Substitute value provided by configure.
4845 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4848 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4849 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4850 rather than calling add_stmt on it.
4851 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4853 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4856 * reload1.c (reload): Remove registers returned by update_eliminables
4857 from used_spill_regs.
4859 2006-06-13 DJ Delorie <dj@redhat.com>
4861 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4863 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4865 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4866 html__strip_dir, html__mkdir_p. Enhance install-html target.
4867 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4868 * configure: Regenerate.
4870 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4872 * fold-const.c (fold_cond_expr_with_comparison): Check for
4873 Objective-C++ as language in deciding COND_EXPR transformation.
4875 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4878 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4879 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4880 * config/sh/lib1funcs.h (SL, SL1): Define.
4881 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4882 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4883 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4884 (OBJS_Os_4_200): New variable.
4885 ($(T)libgcc-Os-4-200.a): Use it.
4886 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4887 when dividing 1 and/or by 0.
4889 2006-06-13 Roger Sayle <roger@eyesopen.com>
4891 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4892 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4893 * configure: Regenerate.
4895 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4897 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4898 for real instruction.
4900 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4903 * haifa-sched.c (check_cfg): Handle special case.
4905 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4908 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4909 Add debug_info parameter. Chain the vars to the BLOCK instead
4910 of the BIND_EXPR if debug info are requested for them.
4911 (pop_gimplify_context): Adjust for above change.
4912 (gimple_add_tmp_var): Likewise.
4913 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4915 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4916 (convert_local_reference): Likewise.
4917 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4918 (finalize_nesting_tree_1): Request that debug info be emitted
4919 for debug_var_chain.
4921 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4923 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4924 for PR target/27863.
4926 2006-06-13 Richard Guenther <rguenther@suse.de>
4929 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4931 2006-06-13 Richard Guenther <rguenther@suse.de>
4933 PR tree-optimization/27830
4934 * tree-inline.c (copy_body_r): For copying the operand
4935 of an ADDR_EXPR make sure to fold &* afterwards.
4937 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4939 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4940 lvalues in the fb_none case with side-effects.
4942 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4944 * tree-flow.h: Remove the prototype for
4945 compute_phi_arg_on_exit.
4946 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4947 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4950 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4952 * builtins.c (expand_builtin_return_addr): Only use
4953 frame_pointer_rtx when count == 0 and we are expanding
4954 __builtin_return_address.
4956 2006-06-12 Fred Fish <fnf@specifix.com>
4958 * config/mips/mips.c (mips_file_start): Create special section
4959 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4961 2006-06-11 Eric Christopher <echristo@apple.com>
4964 * stor-layout.c (place_field): Remove check for
4965 remaining_in_alignment when aligning at the end of a run.
4967 2006-06-11 Eric Christopher <echristo@apple.com>
4970 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4973 2006-06-11 Roger Sayle <roger@eyesopen.com>
4976 Revert incorrect fix for PR target/27158
4977 2006-05-08 Roger Sayle <roger@eyesopen.com>
4978 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4979 of a reg_equiv_constant if the result is a legitimate constant.
4981 2006-06-11 Roger Sayle <roger@eyesopen.com>
4984 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4985 extract a CONST_VECTOR element and interpret it as an integer.
4986 (vspltis_constant): Use const_vector_elt_as_int instead of the
4987 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4988 * config/rs6000/predicates.md (easy_vector_const): Consider
4989 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4991 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4994 * stor-layout.c (update_alignment_for_field): Don't add extra
4995 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4998 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5000 * config/mips/t-rtems: Add EL/EB multilib variants.
5002 2006-06-09 Mike Stump <mrs@apple.com>
5004 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5006 2006-06-09 David Daney <ddaney@avtrex.com>
5008 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5010 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5012 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5014 2006-06-09 Richard Guenther <rguenther@suse.de>
5016 PR tree-optimization/26998
5017 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5018 of signed types, only TYPE_MIN_VALUE is special, but for both,
5019 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5020 in this case, as is -fwrapv.
5022 2006-06-08 Mike Stump <mrs@apple.com>
5025 * config/darwin.c (darwin_asm_output_anchor): Disable
5026 -fsection-anchors on darwin for now.
5027 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5028 * rs6000/rs6000.c (optimization_options): Likewise.
5030 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5033 * config/i386/i386.c (classify_argument): Skip fields with invalid
5036 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5038 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5039 (cse_insn): Likewise for the stack_pointer_rtx.
5041 2006-06-08 Roger Sayle <roger@eyesopen.com>
5043 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5044 conditions from floating point comparisons.
5046 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5049 * expmed.c (struct alg_hash_entry): Fix type of field T
5050 to match synth_mult argument.
5051 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5053 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5056 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5059 2006-06-08 Richard Guenther <rguenther@suse.de>
5062 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5063 only, if overflow is defined and not trapping.
5064 (negate_expr): Likewise.
5066 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5068 PR tree-optimization/27872
5069 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5070 flag on the new exit edge of the unrolled loop.
5072 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5074 PR rtl-optimization/26449
5075 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5077 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5080 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5081 referenced_variables with matching DECL_UID's.
5082 (find_referenced_vars): Make sure duplicate list is empty to start.
5083 (referenced_var_p): Remove.
5084 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5085 Check if var is in the list, and add if needed. Update the duplicate
5086 list if a different var is in the list with the same DECL_UID.
5087 (add_referenced_var): Call routine to check and insert.
5088 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5089 * tree-flow.h (referenced_vars_dup_list): External declaration.
5091 2006-06-07 Fred Fish <fnf@specifix.com>
5093 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5096 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5099 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5100 the imaginary and real parts of a clobbered register.
5101 Emit insn to set the imaginary part.
5103 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5105 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5106 in lieu of unwind-dw2-fde.c.
5108 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5110 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5112 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5115 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5116 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5117 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5118 V4SImode temporaries and operations instead.
5120 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5122 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5125 2006-06-06 Mike Stump <mrs@apple.com>
5127 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5128 installing during build.
5130 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5132 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5134 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5135 * config/ia64/ia64.c (params.h): New header.
5136 (ia64_optimization_options): New function to adjust parameters.
5137 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5138 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5139 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5141 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5143 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5145 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5148 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5150 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5151 Victor Kaplansky <victork@il.ibm.com>
5153 PR tree-optimization/26360
5154 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5157 2006-06-04 Roger Sayle <roger@eyesopen.com>
5158 Andrew Pinski <pinskia@physics.uc.edu>
5161 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5162 for LABEL_DECL before calling DECL_WEAK.
5165 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5166 LABEL_DECL and PARM_DECL.
5168 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5172 * c-decl.c (grokdeclarator): Disallow variably modified types at
5173 file scope. Avoid marking shared array type of constant size as
5176 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5179 * c-common.c (fold_offsetof_1): Handle static members.
5181 2006-06-04 Eric Christopher <echristo@apple.com>
5183 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5184 (debug_rli): Output value for remaining_in_alignment.
5185 (update_alignment_for_field): Unconditionalize
5186 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5187 extra alignment code.
5188 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5189 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5190 * tree.h (record_layout_info_s): Remove prev_packed.
5191 * doc/extend.texi (ms_struct): Add documentation of format.
5193 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5195 * tree.h: Declare folding_initializer.
5196 * builtins.c (fold_builtin_constant_p): Give definite answer
5197 if folding inside an initializer.
5198 * fold-const.c: Define folding_initializer.
5199 (START_FOLD_INIT): Save and then set folding_initializer.
5200 (END_FOLD_INIT): Restore folding_initializer.
5202 2006-06-04 Richard Guenther <rguenther@suse.de>
5204 PR tree-optimization/27039
5205 * fold-const.c (fold_comparison): Handle pointer comparison
5206 again for all comparison codes. Compare offsets in signed
5208 (fold_binary): Move code from here.
5210 2006-06-03 Roger Sayle <roger@eyesopen.com>
5213 * config/i386/i386.c (construct_container): Split static issued_error
5214 flag into issued_sse_arg_error, issued_sse_ret_error and
5215 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5216 requires the use of x87 registers and the user explicitly
5217 specified the -mno-80387 command line option.
5219 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5221 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5222 HAVE_DECL_SIGALTSTACK.
5224 (segv_handler): Use MC_FLD.
5225 * configure.ac: Check for a sigaltstack declaration.
5226 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5227 * configure: Regenerate.
5228 * config.in: Regenerate.
5230 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5233 * Makefile.in (stmp-fixinc): Fix typo.
5235 2006-06-02 Roger Sayle <roger@eyesopen.com>
5237 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5238 are type correct. Clean-up.
5239 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5240 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5242 2006-06-01 DJ Delorie <dj@redhat.com>
5244 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5245 shift, as we've disabled the "switch" insn that needs it.
5247 2006-06-01 Per Bothner <bothner@bothner.com>
5249 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5250 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5251 * c-ppoutput.c (cb_define): Don't increment line 0.
5253 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5255 * doc/invoke.texi: Add cpu_type power6.
5256 * config.gcc: Add cpu_type power6.
5257 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5258 to power5+ with Altivec.
5259 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5260 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5262 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5264 * config/avr/avr.h (SET_ASM_OP): Define.
5266 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5268 * config/bfin/bfin.c: Fix comment typos.
5270 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5273 * doc/install.texi: Document --enable-bootstrap and
5274 --disable-bootstrap.
5276 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5278 * doc/install.texi: Document that InfoZIP can replace jar.
5280 2006-05-31 Roger Sayle <roger@eyesopen.com>
5282 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5283 isn't available, directly generate the simpler x87 patterns without
5284 the (use (const_int 0)).
5285 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5286 implementation isn't available.
5287 (*negdf2_1): Likewise.
5288 (*negxf2_1): XF mode negation is always done using the x87.
5289 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5291 2006-05-31 Roger Sayle <roger@eyesopen.com>
5293 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5294 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5296 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5298 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5300 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5301 * config/bfin/bfin.c (basic-block.h): Include.
5302 (struct machine_function): New.
5303 (bfin_init_machine_status): New.
5304 (override_options): Initialize init_machine_status.
5305 (bfin_hardware_loop): New.
5306 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5307 (DEF_VEC_P (loop_info)): New.
5308 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5309 (struct loop_info): New.
5310 (loop_info): New typedef.
5311 (struct loop_work): New.
5312 (loop_work): New typedef.
5313 (DEF_VEC_O (loop_work)): New.
5314 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5315 (bfin_dump_loops): New.
5316 (bfin_bb_in_loop): New.
5317 (bfin_scan_loop): New.
5318 (bfin_optimize_loop): New.
5319 (bfin_reorg_loops): New.
5320 (bfin_reorg): Use bfin_reorg_loops.
5321 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5323 (I_REGNO_P): Simplify.
5324 (DP_REGNO_P, DPREG_P): New macros.
5325 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5326 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5327 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5328 Add LT_REGS, LC_REGS, LB_REGS.
5329 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5331 (REGNO_REG_CLASS): Deal with loop registers.
5332 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5334 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5335 New constants for loop registers.
5336 (UNSPEC_LSETUP_END): New.
5337 (seq_insns): New define_attr. Set it for appropriate insns.
5338 (movsi_insn): Add alternatives for move from/to
5339 loop count registers.
5340 (doloop_end): New define_expand.
5341 (loop_end): New define_insn.
5342 (define_split for bad doloop_end): New.
5343 (lsetup_with_autoinit): New define_insn.
5344 (lsetup_without_autoinit): New define_insn.
5345 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5346 * config/bfin/predicates.md (lc_register_operand): New.
5347 (lt_register_operand): New.
5348 (lb_register_operand): New.
5349 (nondp_register_operand): New.
5350 (nondp_reg_or_memory_operand): New.
5351 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5353 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5355 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5356 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5358 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5360 * Makefile.in (CATALOGS): Add po/ prefix.
5361 * configure: Regenerated.
5363 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5366 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5367 a shift operand before calling shift_op. Avoid redundant call of
5370 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5371 DJ Delorie <dj@redhat.com>
5373 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5374 we're inserting is a singlt-bit constant.
5376 2006-05-30 Roger Sayle <roger@eyesopen.com>
5378 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5379 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5381 2006-05-30 Roger Sayle <roger@eyesopen.com>
5383 PR tree-optimization/23452
5384 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5385 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5386 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5387 complex values and with -ffast-math for FP complex values.
5389 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5391 * c-common.h: Remove the prototype for yyparse.
5392 * rtl.h: Remove the prototype for init_loop.
5394 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5396 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5399 2006-05-30 Roger Sayle <roger@eyesopen.com>
5401 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5403 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5404 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5406 2006-05-30 Dirk Mueller <dmueller@suse.de>
5409 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5410 for CONSTANT_CLASS_P expresisons.
5412 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5415 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5417 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5419 PR tree-optimization/27779
5420 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5421 initial_condition instead of CHREC_LEFT.
5423 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5425 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5426 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5427 Make prototypes ISO C90.
5429 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5430 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5432 * see.c (see_analyze_one_def): Correct check.
5433 (see_get_extension_data): Check if extension is parallel.
5434 (see_get_extension_reg): Likewise.
5436 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5439 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5440 into register for (code == GTU).
5442 2006-05-29 Roger Sayle <roger@eyesopen.com>
5444 PR tree-optimization/24964
5445 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5446 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5447 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5448 abs(x)*abs(x) as x*x for scalar floating point modes.
5450 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5453 * lambda-code.c (perfect_nestify): Don't copy statements
5454 in the inner loop: move them to the inner loop header.
5456 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5459 * c-tree.texi: Document OpenMP directives and clauses.
5461 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5463 * varasm.c (globalize_decl): Fix indentation.
5465 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5468 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5469 pass_fre, pass_store_ccp, pass_copy_prop,
5470 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5471 pass_return_slot, pass_object_size, pass_lim,
5472 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5473 pass_loop_prefetch and pass_stdarg.
5475 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5477 * config/bfin/bfin.opt (mfdpic): New option.
5478 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5479 (EXTRA_MULTILIB_PARTS): Likewise.
5480 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5481 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5483 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5484 (CRT_CALL_STATIC_FUNCTION): New.
5485 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5487 (CRT_CALL_STATIC_FUNCTION): New.
5488 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5490 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5491 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5492 (initialize_trampoline): Changed to handle FD-PIC code generation.
5493 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5494 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5495 (override_options): Disallow -mid-shared-library -mfdpic combination.
5496 Can't do unaligned ops if FD-PIC.
5497 Turn off flag_pic if trying to generate non-id-shared-library
5498 non-fdpic code, since it's not supported.
5499 (bfin_assemble_integer): New function.
5500 (TARGET_ASM_INTEGER): Define.
5501 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5503 * config/bfin/crtn.s: Restore them.
5504 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5506 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5507 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5508 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5509 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5510 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5512 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5513 FDPIC_REGS and FDPIC_FPTR_REGS.
5514 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5515 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5516 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5517 (load_funcdescsi): New pattern.
5518 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5519 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5520 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5522 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5524 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5527 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5529 * tree-flow.h: Remove the prototype for add_type_alias.
5530 * tree-ssa-alias.c (add_type_alias): Remove.
5532 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5534 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5535 config/fr30/fr30.md, config/i386/i386-interix.h,
5536 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5537 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5538 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5539 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5540 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5541 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5542 Follow spelling conventions.
5543 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5544 Follow spelling conventions.
5546 2006-05-27 Richard Guenther <rguenther@suse.de>
5549 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5550 to produce a constant of value 1 of generic type.
5552 2006-05-27 Dirk Mueller <dmueller@suse.de>
5554 * cgraphunit.c (decide_is_function_needed): Fix wrong
5557 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5559 PR rtl-optimization/27661
5560 * reload.c (find_reloads): When reloading a VOIDmode constant
5561 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5562 use Pmode as mode of the reload register.
5564 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5566 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5567 is enabled at -O and above.
5569 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5572 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5575 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5578 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5579 for anonymous variables explicitly declared by front ends.
5581 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5583 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5584 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5585 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5586 ref-all pointers, run a finalization pass for them.
5587 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5588 (finalize_ref_all_pointers): New function.
5589 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5590 regular pointer type to a ref-all pointer type.
5591 (get_tmt_for): Return the special memory tag for ref-all pointers.
5593 2006-05-25 Richard Guenther <rguenther@suse.de>
5596 * fold-const.c (fold_binary): Do not look at the stripped
5597 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5599 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5601 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5602 for LT and GT if the computed range is effectively empty.
5604 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5607 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5608 mips_quad_format formats instead of ieee_single_format,
5609 ieee_double_format and ieee_quad_format formats, respectively.
5611 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5613 PR tree-optimization/27639
5614 PR tree-optimization/26719
5615 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5616 call to scev_probably_wraps_p.
5617 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5618 used_in_pointer_arithmetic_p, convert_step): Removed.
5619 (nowrap_type_p): New function.
5620 (scev_probably_wraps_p): Rewritten.
5621 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5622 chrec_convert if chrec_convert_aggressive might have been used.
5623 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5624 scev_direction): New functions.
5625 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5626 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5627 instead of convert_step.
5628 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5629 (convert_step): Declaration removed.
5630 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5632 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5634 * df-core.c: Added to header comments.
5635 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5636 df_ur_bb_info, df_urec_bb_info): Added comments.
5637 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5638 urec, ri problems): Fixed header comments.
5639 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5640 code from df_rd_transfer_function.
5642 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5644 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5645 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5646 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5648 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5650 * expr.c (undefined_operand_subword_p): New.
5651 (emit_move_multi_word): Do not generate move from undefined bits
5652 of a paradoxical subreg.
5654 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5656 PR rtl-optimization/27736
5657 * combine.c (replaced_rhs_value): New variable.
5658 (combine_instructions): Set it.
5659 (distribute_notes): When distributing a note in replaced_rhs_insn,
5660 check whether the value was used in replaced_rhs_value.
5662 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5665 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5666 add_referenced_var instead of add_referenced_tmp_var.
5667 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5668 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5670 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5671 tree_optimize_tail_calls_1): Use add_referenced_var.
5672 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5673 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5674 Use add_referenced_var.
5675 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5676 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5677 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5678 Use add_referenced_var.
5679 * tree-dfa.c (struct walk_state): Remove.
5680 (find_referenced_vars): Remove walk state and vars_found hash table.
5681 (make_rename_temp): Use add_referenced_var.
5682 (find_vars_r): Pass less parameters to add_referenced_var.
5683 (referenced_var_p): New. Is var in referenced_var hash table.
5684 (referenced_var_insert): Assert var isn't already in hash table.
5685 (add_referenced_var): Don't need walk_state parameter. Add var if it
5686 isn't already in the hash table.
5687 (add_referenced_tmp_var): Remove.
5688 (find_new_referenced_vars_1): Use add_referenced_var.
5689 * tree-ssa-pre.c (create_expression_by_pieces,
5690 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5691 Use add_referenced_var.
5692 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5693 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5694 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5696 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5697 vect_create_data_ref_ptr, vect_create_destination_var,
5698 vect_init_vector, vect_build_loop_niters,
5699 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5700 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5701 Use add_referenced_var.
5702 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5703 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5704 (add_referenced_var): Add prototype.
5705 * tree-ssa-structalias.c (get_constraint_for,
5706 intra_create_variable_infos): Use add_referenced_var.
5708 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5710 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5711 big-endian paradoxical subregs.
5712 * var-tracking.c (struct micro_operation_def): Document that,
5713 for modify micro operations, insn is the subsequent instruction.
5714 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5715 (var_reg_set, var_mem_set): ... new functions.
5716 (add_stores): Record subsequent insn.
5717 (compute_bb_dataflow): Use new functions for MO_USE.
5718 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5719 notes after the insn, and modify notes before the insn known
5720 to be the subsequent one.
5721 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5723 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5726 * config/i386/i386.c (ix86_expand_builtin): Use
5727 gen_sse3_monitor64 for TARGET_64BIT.
5729 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5731 PR rtl-optimization/26375
5732 PR rtl-optimization/26855
5733 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5735 (df_ru_bb_local_compute): Reversed statements and removed bogus
5736 comment explaining why they should be in wrong order.
5737 (df_ru_dump, df_rd_dump): Enhanced debug info.
5738 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5740 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5741 reaching uses and fixed space problem.
5743 2006-05-23 Jan Hubicka <jh@suse.cz>
5745 * cgraphunit.c (decide_is_function_needed): Also nested functions
5746 and functions declared inline can be optimized out at -O0.
5748 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5750 * doc/install.texi (Configuration): Remove reference to CrossGCC
5754 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5757 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5758 ix86_compare_emitted is non-NULL.
5760 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5763 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5766 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5768 PR rtl-optimization/25514
5769 * combine.c (replaced_rhs_insn): New variable.
5770 (combine_instructions): Set replaced_rhs_insn when trying to replace
5771 a SET_SRC with a REG_EQUAL note.
5772 (distribute_notes): Use replaced_rhs_insn when determining the live
5773 range of a REG_DEAD register.
5775 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5776 Anatoly Sokolov <aesok@post.ru>
5778 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5779 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5780 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5781 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5782 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5783 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5784 at90usb647, at90usb1286 and at90usb1287 devices.
5785 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5786 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5788 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5790 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5792 2006-05-22 Richard Guenther <rguenther@suse.de>
5795 2006-01-31 Richard Guenther <rguenther@suse.de>
5796 Paolo Bonzini <bonzini@gnu.org>
5798 * doc/install.texi (--disable-libgcc-math): Document.
5800 2006-05-22 Richard Guenther <rguenther@suse.de>
5803 2006-01-31 Richard Guenther <rguenther@suse.de>
5805 * doc/invoke.texi (-msselibm): Document.
5806 * target.h (expand_library_builtin): New target hook.
5807 * builtins.c (expand_builtin): Use expand_library_builtin.
5808 (default_expand_library_builtin): New function.
5809 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5810 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5811 (link_gcc_math_spec): Declare.
5812 (static_specs): Add link_gcc_math_spec.
5813 * expr.h (default_expand_library_builtin): Declare.
5814 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5815 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5816 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5817 * config/i386/i386.opt (msselibm): New target option.
5818 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5819 (ix86_init_sse_abi_builtins): New function.
5820 (ix86_expand_library_builtin): Likewise.
5821 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5822 (override_options): Handle error conditions wrt -msselibm.
5823 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5824 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5825 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5828 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5831 * c-common.c (self_promoting_args_p): Skip erroneous args.
5834 * c-decl.c (finish_struct): Skip erroneous fields.
5836 2006-05-22 Nick Clifton <nickc@redhat.com>
5838 * config/cris/cris.opt (march): Remove VarExists attribute.
5839 (max-stackframe=): Likewise.
5841 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5843 * doc/rtl.texi: Fix a typo.
5844 * see.c: Fix comment typos.
5846 * tree-ssa-structalias.h (alias_info): Remove num_references.
5848 2006-05-21 Mike Stump <mrs@apple.com>
5850 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5852 (darwin_pragma_options): Use BAD instead.
5853 (darwin_pragma_unused): Likewise.
5854 (darwin_pragma_ms_struct): Likewise.
5856 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5858 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5860 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5862 PR rtl-optimization/27671
5863 * simplify-rtx.c (simplify_relational_operation_1): Fix
5864 simplifications of (eq/ne (xor x y) y) and
5865 (eq/ne (xor x y) x).
5867 PR tree-optimization/26622.
5868 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5871 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5873 * tree-cfg.c: Prune whitespace.
5874 (debug_tree_cfg): Point to correct header containing the
5877 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5880 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5882 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5885 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5886 or sorry count is non zero.
5888 2006-05-20 Andreas Schwab <schwab@suse.de>
5890 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5892 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5893 Kenneth Zadeck <zadeck@naturalbridge.com>
5895 PR rtl-optimization/26855
5897 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5899 (df_scan_alloc): Added code to properly handle multiword hard
5900 registers and add all_blocks parameter.
5901 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5902 code to properly handle multiword hard registers.
5903 (df_rescan_blocks): Added code to remove deleted blocks from
5905 (df_ref_create_structure, df_ref_record): Added code to properly
5907 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5908 and set DF_REF_PARTIAL.
5909 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5910 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5911 (df_scan_add_problem): Added flags parameter.
5912 (df_ref_create_structure): Changed switching structure.
5913 (df_bb_refs_record): Fixed case where duplicate artificial refs
5914 were created. Changed location of flags.
5915 (df_record_entry_block_defs): Added code to make stack pointer
5916 live in entry block. Refined cases where frame pointer is needed.
5917 Changed location of flags.
5918 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5919 (df_set_state): Removed function.
5920 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5921 df_insn_create_insn_record, df_insn_refs_delete,
5922 df_ref_create_structure): Formatting changes.
5923 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5924 df_delete_basic_block): New function.
5925 (df_init): Changed location of flags.
5926 (df_add_problem): Added flags parameter and the way flags are
5928 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5929 debug_df_chain): Improved debugging output.
5930 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5931 (df_refs_chain_dump): Removed df parameter.
5932 (df_iterative_dataflow): Added consistency check.
5933 (df_prune_to_subcfg): Made public.
5934 (df_analyze_problem): Added blocks_to_init parameter and made
5936 (df_ref_record, df_bb_refs_record, df_mark_reg,
5937 df_record_exit_block_uses): Whitespace changes.
5938 (df_dump): Whitespace changes.
5939 * df.h: Some reordering to remove forward references.
5940 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5941 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5942 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5943 (dataflow.flags): New field.
5944 (df.flag): Deleted field.
5945 (df_alloc_function): Added additional bitmap parameter.
5946 (df_dependent_problem_function): New type.
5947 (df_problem.changeable_flags): New field.
5948 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5949 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5950 (df_mw_hardreg): New struct.
5951 (DF_INSN_UID_MWS): New macro.
5952 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5954 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5955 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5956 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5957 (df_set_state): Removed function.
5958 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5959 * df-problems.c (df_chain_dump): Removed df parameter.
5960 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5961 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5963 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5964 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5965 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5966 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5967 DF_REF_MUST_CLOBBER cases.
5968 (df_ru_bb_local_compute_process_def,
5969 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5970 df_lr_bb_local_compute, df_ur_bb_local_compute,
5971 df_chain_create_bb): Made subreg aware.
5972 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5973 df_lr_bb_local_compute, df_lr_bb_local_compute,
5974 df_chain_create_bb): Cleanup to use proper macros.
5975 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5976 code to fixup bitvectors.
5977 (df_ri_alloc): Cleared lifetime.
5978 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5979 df_create_unused_note): New function.
5980 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5981 REG_DEAD and REG_UNUSED notes as well as register information.
5982 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5983 df_chains_dump): Fixed crash if problem was never run.
5984 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5985 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5986 df_ri_add_problem): Processes flags in uniform manner.
5987 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5988 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5989 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5990 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5991 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5992 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5993 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5994 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5995 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5996 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5997 * see.c (see_initialize_data): Ditto.
5998 * final.c (rest_of_clean_state) Added regstack_completed.
5999 * rtl.h (regstack_completed): Ditto.
6000 * reg-stack.c (regstack_completed): Ditto.
6002 2006-05-19 Mike Stump <mrs@apple.com>
6004 * c-tree.h (default_conversion): Remove.
6005 * c-common.h (default_conversion): Add.
6007 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6009 * tree-vrp.c (valid_value_p): New function.
6010 (adjust_range_with_scev): Fail if the value of bound is not
6013 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6015 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6016 (mips_fallback_frame_state): Use syscall numbers to determine
6017 the appropriate li instruction for the current ABI. Only use
6018 __NR_sigreturn for o32.
6020 2006-05-19 Nicolas Setton <setton@adacore.com>
6022 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6023 * langhooks.c (lhd_dwarf_name): New function.
6024 * langhooks-def.h (lhd_dwarf_name): Declare.
6025 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6026 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6027 * ada/misc.c (gnat_dwarf_name): New function.
6028 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6030 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6032 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6034 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6035 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6036 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6037 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6038 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6039 determine the size of Wtype, etc.
6040 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6041 (swfloatfuncs): New variable.
6042 (dwfloatfuncs): Likewise.
6043 (lib2funcs): Remove floating-point conversion functions from
6044 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6045 the set of conversion routines needed. Allow entries to specify
6046 an object name, filename and word size. Update users accordingly.
6047 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6048 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6052 2006-02-08 Roger Sayle <roger@eyesopen.com>
6055 * config/fixtfdi.c: New libgcc source file.
6056 * config/fixunstfdi.c: New source file.
6057 * config/floatditf.c: New source file.
6058 * config/floatunditf.c: New souce file.
6059 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6060 files above instead of config/mips/_tilib.c.
6061 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6063 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6065 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6066 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6068 2006-05-18 Mike Stump <mrs@apple.com>
6070 Fix up vla, vm and [*] sematics.
6076 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6077 (c_vla_unspec_p): Add.
6078 (c_vla_type_p): Add.
6079 * c-decl.c (struct c_scope): Add had_vla_unspec.
6080 (build_array_declarator): Add support for [*].
6081 (grokdeclarator): Likewise.
6082 (grokparms): Likewise.
6083 (get_parm_info): Likewise.
6084 * c-objc-common.c (c_vla_unspec_p): Likewise.
6085 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6086 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6087 typeof when argument is a variably modified type not inside sizeof or alignof.
6088 (c_parser_direct_declarator_inner): Propagate errors.
6089 (c_parser_sizeof_expression): Add support for [*].
6090 (c_parser_parms_declarator): Initialize had_vla_unspec.
6091 (c_parser_parms_list_declarator): Likewise.
6092 * c-typeck.c (c_vla_type_p): Add.
6093 (composite_type): Add support for vla compositing.
6094 (comptypes_internal): Add support for vla compatibility.
6095 (c_expr_sizeof_expr): Evaluate vla arguments.
6096 * tree.c (variably_modified_type_p): Update comment for [*].
6098 2006-05-18 Michael Matz <matz@suse.de>
6101 * config.host: Make assignments to host_xmake_file cumulative.
6102 * config.host (*-darwin*): Test $host, not $target.
6104 2006-05-12 Stuart Hastings <stuart@apple.com>
6106 * config/i386/i386.opt (-mstackrealign): New flag.
6107 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6108 (ix86_handle_cconv_attribute): Emit error when
6109 force_align_arg_pointer attribute collides with too many regparms.
6110 (ix86_function_regparm): Limit regparms when used with
6111 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6112 Support stack-realigning prologue in non-main functions. Emit
6113 warning for nested functions under -mstackrealign, emit error for
6114 nested functions with force_align_arg_pointer attribute.
6115 * doc/extend.texi (force_align_arg_pointer): Document it.
6116 * doc/invoke.texi (-mstackrealign): Document it.
6118 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6120 PR rtl-optimization/27477
6121 * combine.c (try_combine): Don't split a parallel consisting
6122 of two sets into two individual sets if both sets reference
6125 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6127 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6128 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6130 * doc/options.texi (VarExists): Updated.
6132 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6134 * unwind-dw2.c: Add declarations for uw_update_context and
6136 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6137 detected, advance frame state and context once to skip over stub.
6139 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6143 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6144 Call rewrite_into_loop_closed_ssa only when something changed.
6145 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6146 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6147 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6148 Test for perfect_nest_p here. Fix formating.
6149 (replace_uses_equiv_to_x_with_y): Fix formating.
6150 (stmt_uses_op): Removed.
6151 (can_convert_to_perfect_nest): Removed loopivs parameter.
6152 Complete the test by checking the scalar dependences.
6153 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6156 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6159 From Dan Kegel <dank@kegel.com>:
6160 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6162 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6164 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6165 if the element type is variably modified without recursing.
6167 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6170 * tree-loop-linear.c (try_interchange_loops): Test for
6171 no data dependences.
6173 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6175 PR tree-optimization/27548
6176 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6177 range of ssa names that appear on abnormal edges.
6178 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6179 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6181 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6184 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6186 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6189 * tree.h (OMP_PARALLEL_COMBINED): Define.
6190 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6191 (new_omp_context): Add is_combined_parallel argument.
6192 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6193 new_omp_context caller.
6194 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6195 Adjust gimplify_scan_omp_clauses callers.
6196 (omp_is_private): Issue errors if iteration variable is firstprivate
6197 or reduction in the current context.
6198 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6199 on combined parallel workshare constructs.
6201 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6203 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6204 (gcc-options.o): New rule.
6206 * optc-gen.awk: Protect variables for gcc-options.o with
6207 #ifdef GCC_DRIVER/#endif.
6209 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6211 Fix PR tree-optimization/27373
6212 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6213 (forward_propagate_addr_expr): Update call.
6215 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6217 * doc/options.texi: Move the Negative option.
6219 2006-05-16 Richard Guenther <rguenther@suse.de>
6221 PR tree-optimization/22303
6222 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6224 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6225 ccp_fold did not simplify the statement.
6227 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6230 * Makefile.in (GCC_OBJS): New.
6231 (OBJS-common): Add opts-common.o.
6232 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6233 (cpp$(exeext)): Likewise.
6234 (gcc.o): Also depend on opts.h.
6235 (opts-common.o): New.
6237 * common.opt (gcoff): Add Negative(gdwarf-2).
6238 (gdwarf-2): Add Negative(gstabs).
6239 (gstabs): Add Negative(gstabs+).
6240 (gstabs+): Add Negative(gvms).
6241 (gvms): Add Negative(gxcoff).
6242 (gxcoff): Add Negative(gxcoff+).
6243 (gxcoff+): Add Negative(gcoff).
6244 * config/i386/i386.opt (m32): Add Negative(m64).
6245 (m64): Add Negative(m32).
6247 * doc/options.texi: Document the Negative option.
6249 * gcc.c: Include "opts.h".
6250 (main): Call prune_options after expandargv.
6252 * optc-gen.awk: Generate common declarations for all flag
6253 variables in options.c. Output the neg_index field.
6255 * opts.c (find_opt): Moved to ...
6256 * opts-common.c: Here. New file.
6258 * opts.h (cl_option): Add a neg_index field.
6260 (prune_options): Likewise.
6262 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6265 * omp-low.c (expand_omp_parallel): Don't assert
6266 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6267 instead search for it.
6270 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6273 2006-05-16 Andreas Schwab <schwab@suse.de>
6275 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6278 2006-05-15 Roger Sayle <roger@eyesopen.com>
6281 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6282 integer constants other than zero are only legitimate on TARGET_64BIT.
6283 <CONST_VECTOR> Only zero vectors are legitimate.
6284 (ix86_cannot_force_const_mem): Integral and vector constants can
6285 always be put in the constant pool.
6287 2006-05-16 DJ Delorie <dj@redhat.com>
6289 * crtstuff.c (__dso_handle): Set section from
6290 TARGET_LBIGCC_SDATA_SECTION if defined.
6291 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6292 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6294 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6297 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6300 2006-05-16 Ben Elliston <bje@au.ibm.com>
6302 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6304 2006-05-15 Per Bothner <per@bothner.com>
6306 * tree.c: (last_annotated_node): Use source_locus typedef.
6307 This permits bootstrapping with --enable-mapped-location.
6309 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6311 PR tree-optimization/26830
6312 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6313 (info_for_ssa_name, current_info_for_ssa_name_age,
6314 blocks_to_update): New variables.
6315 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6316 (clear_ssa_name_info, initialize_flags_in_bb,
6317 mark_block_for_update): New functions.
6318 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6319 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6320 prepare_def_site_for): Use mark_block_for_update.
6321 (mark_def_interesting): Assert that the processed block is marked in
6322 blocks_to_update. Do not take blocks argument.
6323 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6325 (rewrite_update_init_block, rewrite_update_stmt): Only process
6326 blocks with statements to rewrite.
6327 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6328 (update_ssa): Initialize and free blocks_to_update. Do not
6329 clear flags on statements. Do not use blocks bitmap.
6330 * tree.h (SSA_NAME_AUX): Removed.
6331 (struct tree_ssa_name): Removed aux field.
6332 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6334 2006-05-15 Richard Guenther <rguenther@suse.de>
6336 PR tree-optimization/27603
6337 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6338 Do computations in original type.
6340 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6342 * see.c: Code style changes such as redundant paranthesis,
6343 redundant intialization of local variables etc.
6344 (see_main): Declared now as static.
6345 * doc/invoke.texi: Update that -fsee is not enabled by
6348 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6350 * omp-low.c (check_omp_nesting_restrictions): New function.
6351 (scan_omp_1): Call it.
6354 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6355 construct, return *VAR.
6357 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6359 PR rtl-optimization/27406
6360 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6363 2006-05-14 Roger Sayle <roger@eyesopen.com>
6365 PR rtl-optimization/27538
6366 * combine.c (expand_compound_operation): Call gen_lowpart
6367 before calling simplify_shift_const.
6369 2006-05-14 Roger Sayle <roger@eyesopen.com>
6371 PR rtl-optimization/22563
6372 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6373 a fixed width bitfield, always force the intermediates into psuedos.
6375 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6378 * mkconfig.sh: Use operator = instead of == for test.
6380 2006-05-13 Nick Clifton <nickc@redhat.com>
6382 * dwarf2out.c (dbx_reg_number): Check return value from
6383 LEAF_REG_REMAP and only use it if it is valid.
6384 (multiple_reg_loc_descriptor): Likewise.
6386 2006-05-13 Richard Guenther <rguenther@suse.de>
6388 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6391 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6393 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6394 information attached to non-INSNs such as NOTEs.
6395 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6397 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6399 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6401 * config/s390/s390.md: Adjust comment describing On constraint.
6403 2006-05-11 Jan Hubicka <jh@suse.cz>
6405 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6406 to be output at -O0.
6408 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6411 * fold-const.c (size_binop): Move sanity check for arguments to
6412 the beginning of the function.
6415 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6418 2006-05-11 Richard Guenther <rguenther@suse.de>
6421 * fold-const.c (fold_unary): Handle intermediate conversion
6422 to a pointer type like intermediate conversion to an integer
6423 type in folding of (T1)(T2)var to var.
6424 Match the code to the comment in the final conversion for
6425 (T1)(T2)var to (T1)var regarding to type precision. Rather
6426 than disallow T1 being of pointer type, assert that both T1
6427 and var are of pointer type or not. Make sure not to fall
6428 over the frontends lazyness wrt array to pointer decay though.
6430 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6432 * arm.c (arm_struct_value_rtx): Delete.
6433 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6434 (arm_init_cumulative_args): Always initialize nregs to zero.
6436 2006-05-10 Richard Guenther <rguenther@suse.de>
6438 PR tree-optimization/27532
6439 * tree-object-size.c (plus_expr_object_size): Fix typo.
6441 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6444 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6445 ashrdi_const, ashrdi3): Use a scratch register.
6447 2006-05-10 Richard Guenther <rguenther@suse.de>
6449 PR tree-optimization/27302
6450 * fold-const.c (operand_equal_p): For two comparisons,
6451 try comparison of one comparison code swapped if that yields
6454 2006-05-10 Ben Elliston <bje@au.ibm.com>
6456 * tree-pretty-print.c (pretty_print_string): No need to handle
6457 '\0' as a special character.
6459 * tree.h: Include "hashtab.h".
6460 (iterative_hash_expr): Use hashval_t in its prototype.
6461 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6463 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6466 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6467 (hppa*64*-*-hpux11*): Ditto.
6468 (hppa[12]*-*-hpux11*): Ditto.
6470 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6473 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6475 2006-05-09 Michael Matz <matz@suse.de>
6477 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6478 host_extra_gcc_objs and host_xmake_file.
6479 (<*-*-linux*>): Don't overwrite host_xmake_file.
6480 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6481 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6482 (host_detect_local_cpu): Declare.
6483 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6484 * config/i386/i386.c (override_options): Handle -mtune=native
6486 * config/i386/x-i386: New file.
6487 * config/i386/driver-i386.c: New file.
6488 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6491 2006-05-09 Dirk Mueller <dmueller@suse.de>
6492 Richard Guenther <rguenther@suse.de>
6495 * fold-const.c (fold_read_from_constant_string): Relax check
6496 for matching types to matching modes.
6498 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6500 PR rtl-optimization/27335
6501 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6504 2006-05-08 Chao-ying Fu <fu@mips.com>
6505 Richard Sandiford <richard@codesourcery.com>
6507 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6508 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6509 * config/mips/mips.md (UNSPEC_SCC): New constant.
6510 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6511 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6512 (mips_emit_compare): Use it.
6513 (mips_expand_vcondv2sf): New function.
6515 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6517 Fix PR tree-optimization/27093
6518 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6519 renaming when they become not-used_alone.
6521 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6523 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6524 relocation and relocation stubs.
6526 2006-05-08 Eric Christopher <echristo@apple.com>
6528 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6531 2006-05-08 Jan Hubicka <jh@suse.cz>
6534 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6535 unused static functions are needed.
6537 2006-05-08 Roger Sayle <roger@eyesopen.com>
6540 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6541 of a reg_equiv_constant if the result is a legitimate constant.
6543 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6546 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6547 standard 80387 constants, raise the cost to prevent
6548 compress_float_constant() to generate load from memory.
6550 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6552 * config/arm/constraints.md (c): Fix a typo.
6554 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6557 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6560 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6562 (_mm_mwait): Likewise.
6564 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6566 (sse3_monitor): Make it 32bit only.
6567 (sse3_monitor64): New. 64bit monitor.
6569 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6572 * config/i386/i386.c (classify_argument): Skip fields with invalid
6575 2006-05-07 Richard Guenther <rguenther@suse.de>
6577 PR tree-optimization/27409
6578 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6579 Do not try to find zero-sized subvars.
6581 2006-05-07 Richard Guenther <rguenther@suse.de>
6583 PR tree-optimization/27136
6584 * tree-ssa-loop-niter.c (get_val_for): Correct function
6585 comment, assert requirements.
6586 (loop_niter_by_eval): Stop processing if the iterated
6587 value did not simplify.
6589 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6591 * opts.c (flag_see): remove its setting at -O3.
6593 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6595 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6596 * arm/constraints.md: New file.
6597 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6598 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6599 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6600 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6601 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6602 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6603 * arm.md: Include constraints.md.
6604 (thumb_movsi_insn): Use satisfies_constraint_J.
6605 (movhi, movqi): Use satisfies_constraint_I.
6607 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6609 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6610 for atmeg a645 device.
6612 2006-05-06 Richard Guenther <rguenther@suse.de>
6614 PR tree-optimization/27151
6615 * tree-vect-transform.c (vectorizable_condition): Punt on
6616 values that have a different type than the condition.
6618 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6621 * c-parser.c (c_parser_cast_expression): Only insert casts into
6622 hash table if pointer.
6623 * function.c (used_types_insert_helper): Rename from
6625 (used_types_insert): Call used_types_insert_helper.
6626 * function.h (used_types_insert): Accept only one argument.
6628 2006-05-05 David Edelsohn <edesohn@gnu.org>
6630 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6631 scratch with output modifier.
6633 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6636 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6637 with output modifier.
6639 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6642 * config/mips/mips.c (mips_symbolic_address_p): Return true
6643 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6644 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6646 2006-05-04 Richard Guenther <rguenther@suse.de>
6648 PR tree-optimization/14287
6649 PR tree-optimization/14844
6650 PR tree-optimization/19792
6651 PR tree-optimization/21608
6652 PR tree-optimization/27090
6653 * tree-ssa-pre.c (try_combine_conversion): New function.
6654 (compute_avail): After constructing the value-handle
6655 expression, use try_combine_conversion to combine NOP_EXPRs
6656 with previous value-handle expressions and use the result if it
6659 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6661 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6663 2006-05-04 Jan Hubicka <jh@suse.cz>
6666 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6668 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6670 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6671 that this only matches CONST_INTs. All users changed to VOIDmode
6674 * config/bfin/bfin.c: Include "optabs.h".
6675 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6677 (enum bfin_builtins): Add a number of fractional and vector builtins.
6678 (bfin_init_builtins): Likewise.
6679 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6680 (safe_vector_operand, bfin_expand_binop_builtin,
6681 bfin_expand_unop_builtin): New functions.
6682 (bfin_expand_builtin): Handle the new builtins.
6683 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6686 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6689 * Makefile.in (OBJS-common): Add see.o.
6690 (see.o): Add dependencies.
6691 * common.opt (fsee): New flag for the see optimization was added.
6692 * opts.c (flag_see): Initialized.
6693 * passes.c (init_optimization_passes, pass_see): New pass.
6694 * rtl.h (see_main): Declaration as extern.
6695 * timevar.def (TV_SEE): New.
6696 * tree-pass.h (pass_see): Declaration as extern.
6697 * invoke.texi (-fsee): Document.
6698 * recog.c (validate_simplify_insn): New function.
6699 * recog.h (validate_simplify_insn): Declaration as extern.
6700 * df-problems.c (df_chain_dump): Check for NULL.
6702 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6703 Daniel Berlin <dberlin@dberlin.org>
6705 * cfgrtl.c (insert_insn_bb_end_new): New function.
6706 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6708 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6710 * df.h (struct web_entry): Moved from web.c.
6711 (union_defs): Declaration as extern.
6712 (unionfind_root): Likewise.
6713 (unionfind_union): Likewise.
6714 * web.c (struct web_entry): Moved to df.h.
6715 (unionfind_root): Remove static declaration.
6716 (unionfind_union): Likewise.
6717 (union_defs): Likewise and generalize to use callback function.
6718 (web_main): Update arguments for union_defs function call.
6720 2006-05-04 Richard Guenther <rguenther@suse.de>
6722 PR tree-optimization/26447
6723 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6724 produce SSA_NAME copies before the store stmt to avoid
6725 breaking exception handling.
6727 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6730 * gimplify.c (omp_is_private): If var is shared in some outer context,
6731 return false instead of true. Stop searching on parallel context
6734 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6737 * coverage.c: Use get_gcov_unsigned_t() instead of
6738 unsigned_type_node all over.
6740 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6742 PR tree-optimization/27381
6743 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6744 maintain the same immediate_use links.
6745 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6746 node rather than segfaulting.
6748 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6751 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6752 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6753 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6755 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6757 Fix PR tree-optimization/26626
6758 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6760 * tree-ssa-operands.c (access_can_touch_variable): Allow
6761 typecasting through union pointers.
6763 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6766 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6767 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6768 to find if var will be a global variable even in the nested context.
6769 (omp_copy_decl): Only check for global variable at the end, it might
6770 be overridden in outer contexts.
6771 (scan_sharing_clauses): For global variables don't create a field.
6772 (lower_rec_input_clauses): Do nothing for global shared variables.
6773 Emit a barrier at the end of ILIST if there were any decls in both
6774 firstprivate and lastprivate clauses.
6775 (lower_send_clauses): Do nothing for global variables except for
6778 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6780 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6781 of the correct signedness is returned.
6783 2006-05-02 Jeff Law <law@redhat.com>
6785 PR tree-optimization/27364
6786 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6787 multiply expressions.
6789 2006-05-02 Tom Tromey <tromey@redhat.com>
6791 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6793 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6796 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6797 -mthumb -fPIC are used.
6799 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6800 Joshua Kinard <kumba@gentoo.org>
6803 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6804 with 64-bit pointers.
6806 2006-05-02 Paul Brook <paul@codesourcery.com>
6808 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6810 (create_fix_barrier): Check that a suitable barrier location is
6812 (arm_reorg): Include ftmp->address in allowable range of addresses.
6814 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6817 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6820 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6823 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6824 around RESULT_DECL for result passed by reference.
6825 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6826 * omp-low.c (use_pointer_for_field): Don't look at
6827 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6828 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6829 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6830 time or var for passing by reference for
6831 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6832 TREE_ADDRESSABLE variables when passing by reference.
6834 * omp-low.c (dump_omp_region): Fix output formatting.
6837 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6838 (expand_omp_parallel): Likewise.
6839 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6842 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6843 on statement list containing also constructors and destructors.
6844 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6847 * except.c (duplicate_eh_regions): Fix clearing of
6848 cfun->eh->region_array entries.
6850 2006-05-01 DJ Delorie <dj@redhat.com>
6852 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6854 (gcc_cv_objdump): Likewise.
6855 * configure: Regenerated.
6857 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6860 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6861 templates for case 3 and 4.
6863 2006-05-01 DJ Delorie <dj@redhat.com>
6865 * vec.c: Include bconfig.h when appropriate.
6866 * Makefile.in (build/vec.o): Adjust dependencies.
6867 * mkconfig.sh: Make sure config.h isn't used for build machine
6870 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6872 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6874 (mark_phi_for_rewrite): New function.
6875 (insert_phi_nodes_for, mark_use_interesting): Call
6876 mark_phi_for_rewrite.
6877 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6878 (update_ssa): Initialize and free phis_to_rewrite.
6880 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6882 PR rtl-optimization/27291
6883 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6884 folded to a constant.
6886 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6888 PR tree-optimization/27283
6889 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6890 not whole # of iteration descriptions.
6891 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6892 uses abnormal ssa name.
6893 (niter_for_single_dom_exit): Ditto.
6894 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6895 return just the number of iterations.
6897 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6899 PR tree-optimization/27144
6900 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6901 (record_estimate): Only record constant upper bound.
6902 (infer_loop_bounds_from_undefined): Call
6903 compute_estimated_nb_iterations just once.
6904 (proved_non_wrapping_p): Renamed to ...
6905 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6906 (convert_step_widening, scev_probably_wraps_p): Call
6907 n_of_executions_at_most instead of proved_non_wrapping_p.
6908 (substitute_in_loop_info): Do not replace values in bounds.
6909 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6912 2006-05-01 Richard Henderson <rth@redhat.com>
6915 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6916 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6919 2006-05-01 Roger Sayle <roger@eyesopen.com>
6921 * c-typeck.c (parser_build_binary_op): Don't call the function
6922 unsigned_conversion_warning to spot operand/result type overflow.
6923 (build_binary_op): Instead, call convert_and_check instead of
6924 convert to report the problem when the operands are promoted.
6925 * c-common.c (unsigned_conversion_warning): Make static.
6926 * c-common.h (unsigned_conversion_warning): Delete prototype.
6928 2006-05-01 Richard Guenther <rguenther@suse.de>
6930 PR tree-optimization/26726
6931 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6933 (find_interesting_uses_address): ... we work around here
6934 by folding INDIRECT_REFs in the substituted base.
6936 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6938 * omp-low.c (dump_omp_region): Add newlines.
6940 2006-04-30 Roger Sayle <roger@eyesopen.com>
6942 * common.opt (Woverflow): New command line option.
6943 * c-common.c (constant_expression_warning): Check warn_overflow.
6944 (overflow_waring): Pass OPT_Woverflow to warning.
6945 (unsigned_conversion_warning): Likewise.
6946 (convert_and_check): Likewise.
6947 * doc/invoke.texi: Document new command line option.
6949 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6951 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6952 TARGET_NO_FP_IN_TOC for section anchors.
6953 (optimization_options): Enable section anchors for all
6954 non-"Objective" languages.
6956 2006-04-28 Eric Christopher <echristo@apple.com>
6958 * config/darwin-c.c (darwin_ms_struct): Move this
6959 (darwin_set_default_type_attributes): and this...
6960 * config/darwin.c: ... here.
6961 * config/darwin.h (darwin_ms_struct): Declare.
6963 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6965 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6967 2006-04-28 Roger Sayle <roger@eyesopen.com>
6970 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6971 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6972 an unsigned HOST_WIDE_INT.
6973 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6975 (really_start_incremental_init): No need to call convert because
6976 bitsize_zero_node is already of type bitsizetype.
6977 (push_init_level): Extract the value of constructor_index as an
6978 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6979 (process_init_element): Likewise.
6981 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6983 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6984 value before passing to make_relative_prefix.
6986 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6989 * builtins.c (expand_builtin_memset): Expand val in original mode.
6991 2006-04-27 Eric Christopher <echristo@apple.com>
6993 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6994 with #ifndef/#endif.
6995 * config/darwin-c.c (darwin_ms_struct): New.
6996 (darwin_pragma_ms_struct): Ditto.
6997 (darwin_set_default_type_attributes): Ditto.
6998 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6999 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7000 Register ms_struct pragma.
7001 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7002 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7003 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7004 darwin_set_default_type_attributes if TARGET_MACHO.
7006 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7008 PR tree-optimization/26854
7009 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7010 * doc/tree-ssa.texi: Update immuse iterator documentation.
7011 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7012 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7013 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7014 first_safe_imm_use, next_safe_imm_use): Remove.
7015 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7016 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7017 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7018 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7019 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7020 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7021 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7022 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7023 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7024 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7025 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7026 (perfect_nestify): Use new iterator.
7027 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7029 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7030 (next_imm_name): New field in struct immediate_use_iterator_d.
7031 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7032 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7033 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7034 * tree-cfg.c (replace_uses_by): Use new iterator.
7035 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7036 * tree-ssa-operands.c (correct_use_link): Remove.
7037 (finalize_ssa_use_ops): No longer call correct_use_link.
7039 2006-04-27 Stuart Hastings <stuart@apple.com>
7041 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7042 * config/t-darwin (crt3.o): Use it.
7043 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7044 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7045 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7046 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7047 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7050 2006-04-27 Roger Sayle <roger@eyesopen.com>
7052 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7053 size, force the intermediate into a new pseudo rather instead of
7054 performing both a bitwise AND and a bitwise IOR in memory.
7056 2006-04-27 Richard Guenther <rguenther@suse.de>
7058 PR rtl-optimization/26685
7059 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7060 this one "max-flow-memory-locations".
7062 2006-04-27 Richard Guenther <rguenther@suse.de>
7064 PR tree-optimization/25148
7065 * tree-vrp.c (compare_values): Remove code dealing with
7066 comparisons against type min/max value. Honour overflow
7067 and negative constants in code dealing with comparisons
7068 of plus and minus expressions.
7069 (value_inside_range): Use fold_binary with LE_EXPR and
7070 GE_EXPR rather than compare_values.
7072 2006-04-27 Dirk Mueller <dmueller@suse.de>
7074 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7077 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7079 * basic-block.h (safe_insert_insn_on_edge): Removed.
7080 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7082 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7083 Paolo Bonzini <bonzini@gnu.org>
7086 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7087 (simplify_and_const_int): Same.
7089 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7091 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7093 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7096 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7097 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7098 cgraph_global_info_ready.
7101 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7104 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7105 either decl or init is error_mark_node.
7108 * tree-flow.h (struct omp_region): Add sched_kind.
7109 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7110 instead of extracting omp for data.
7111 (expand_omp_for): Save extracted sched_kind.
7113 2006-04-25 Roger Sayle <roger@eyesopen.com>
7115 * expmed.c (store_bit_field): Also check whether the bitsize is
7116 valid for the machine's "insv" instruction before moving the
7117 target into a pseudo for use with the insv.
7118 * config/i386/predicates.md (const8_operand): New predicate.
7119 * config/i386/i386.md (extv, extzv, insv): Use the new
7120 const8_operand predicate where appropriate.
7122 2006-04-25 DJ Delorie <dj@redhat.com>
7124 * doc/install.texi (Specific): Clarify that this is not a list of
7125 supported hosts or targets.
7127 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7129 PR rtl-optimization/26725
7130 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7131 block's BB_DIRTY flag.
7133 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7135 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7138 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7139 to print an integer.
7141 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7143 * varasm.c (align_variable): New function.
7144 (get_block_for_decl): Apply align_variable to DECL before
7145 calculating section information.
7146 (assemble_variable): Split out alignment computation.
7148 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7150 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7153 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7155 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7156 MODE_PARTIAL_INT mode.
7157 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7158 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7160 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7161 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7163 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7165 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7167 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7168 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7169 MACFLAG_IH): Likewise.
7170 (movstricthi_1): Renamed from "*movstricthi".
7171 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7172 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7173 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7174 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7175 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7176 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7177 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7178 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7179 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7180 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7181 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7182 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7183 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7184 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7185 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7187 * doc/rtl.texi (ss_ashift): Improve wording.
7189 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7191 * dwarf2out.c (verify_marks_clear): New.
7192 (prune_unused_types): Call verify_marks_clear initially, not
7195 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7197 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7198 * doc/rtl.texi: Document them.
7199 * simplify-rtx.c (simplify_unary_operation,
7200 simplify_binary_operation_1): Don't abort when we see them.
7202 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7205 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7206 * configure.ac: Completely disregard languages that are not
7208 * configure: Regenerated.
7210 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7211 Richard Guenther <rguenther@suse.de>
7213 PR tree-optimization/27236
7214 * tree-inline.c (copy_body_r): Make sure to copy
7215 TREE_THIS_VOLATILE flag.
7217 2006-04-24 Richard Guenther <rguenther@suse.de>
7220 * tree-complex.c (update_parameter_components): Don't handle
7221 unused parameters which have no default def.
7223 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7224 Richard Guenther <rguenther@suse.de>
7226 PR tree-optimization/27218
7227 * tree-inline.c (expand_call_inline): Strip useless type
7228 conversions for the return slot address.
7230 2006-04-24 Richard Guenther <rguenther@suse.de>
7232 * cfgloop.h (struct loops): Remove unused field array. Reorder
7234 (LOOP_PREFETCH): Remove.
7236 2006-04-24 Richard Guenther <rguenther@suse.de>
7238 PR tree-optimization/22525
7239 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7240 variable, adjust types of generated expressions.
7242 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7244 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7245 (tree-vect-patterns.o): Likewise.
7247 (cselib.o): Likewise.
7248 (loop-doloop.o): Likewise.
7249 (regclass.o): Likewise.
7250 (reload1.o): Likewise.
7251 (explow.o): Replace target.h with $(TARGET_H).
7252 (ipa-prop.o): Likewise.
7253 (ipa-cp.o): Likewise.
7254 (ipa-inline.o): Likewise.
7255 (reorg.o): Likewise.
7256 (reg-stack.o): Likewise.
7258 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7260 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7262 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7264 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7266 * configure.ac: Completely disregard languages that are not
7268 * configure: Regenerated.
7271 * c-common.h (c_build_bitfield_integer_type): Declare.
7272 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7273 * c-common.c (c_build_bitfield_integer_type): ... here.
7275 2006-04-23 Roger Sayle <roger@eyesopen.com>
7278 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7279 a SImode SUBREG of a floating point register after no_new_pseudos.
7281 2006-04-23 Roger Sayle <roger@eyesopen.com>
7283 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7284 identify potentially eliminable registers to additionally catch
7285 VIRTUAL_INCOMING_ARGS_REGNUM.
7286 (addsi3): Update the conditions on when to use addsi_small_int.
7288 2006-04-23 Roger Sayle <roger@eyesopen.com>
7291 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7292 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7293 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7295 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7297 * fold-const.c (range_predecessor): Use operand_equal_p
7298 as the predicate for equality.
7299 (range_successor): Likewise.
7301 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7304 * config/soft-fp/op-common.h: Fix a typo.
7306 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7309 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7310 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7312 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7314 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7316 * doc/tm.texi: Fix a typo.
7318 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7320 * dwarf2out.c (struct die_struct): Document that die_sib makes
7321 a circular linked list.
7322 (FOR_EACH_CHILD): New.
7323 (reverse_die_lists): Delete.
7324 (reverse_all_dies): Delete.
7325 (add_dwarf_attr): Correct documentation.
7326 (remove_child_with_prev): New.
7327 (remove_child_TAG): Update for change to die_struct, use
7328 remove_child_with_prev.
7329 (add_child_die): Update for change to die_struct.
7330 (splice_child_die): Use remove_child_with_prev and add_child_die.
7331 (print_die): Use FOR_EACH_CHILD.
7332 (die_checksum): Likewise.
7333 (assign_symbol_names): Likewise.
7334 (output_location_lists): Likewise.
7335 (build_abbrev_table): Likewise.
7336 (calc_die_sizes): Likewise.
7337 (mark_dies): Likewise.
7338 (unmark_dies): Likewise.
7339 (unmark_all_dies): Likewise.
7340 (output_die): Likewise.
7341 (prune_unused_types_mark): Likewise.
7342 (prune_unused_types_walk): Likewise.
7343 (same_die_p): Update for change to die_struct.
7344 (break_out_includes): Likewise.
7345 (prune_unused_types_prune): Likewise.
7346 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7347 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7349 (dwarf2out_finish): Don't call reverse_all_dies.
7351 2006-04-21 Eric Christopher <echristo@apple.com>
7353 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7354 in comments and function names.
7356 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7359 * c-typeck.c (digest_init): Robustify.
7361 * c-typeck.c (pop_init_level): Simplify.
7363 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7365 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7367 2006-04-21 Paul Brook <paul@codesourcery.com>
7369 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7370 hardware floating point.
7372 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7374 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7377 2006-04-21 Nick Clifton <nickc@redhat.com>
7379 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7382 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7385 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7386 C++ lang type in traceback table for Objective-C++.
7388 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7390 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7392 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7394 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7397 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7398 were errors. Remove check for erroneous objects.
7400 2006-04-20 Jeff Law <law@redhat.com>
7402 PR tree-optimization/26854
7403 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7404 checking for zero or one use.
7405 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7406 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7407 * tree-ssa-reassoc.c (negate_value): Similarly.
7408 (reassociate_bb): Similarly.
7410 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7412 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7413 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7414 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7416 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7418 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7419 fp regs if the last fp arg doesn't fit in regs.
7421 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7424 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7425 that the last insn has the REG_INC note.
7427 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7428 Nathan Sidwell <nathan@codesourcery.com>
7431 * stor-layout.c (update_alignment_for_field): Do not align
7433 (place_union_field): Place union field at the start of the union.
7434 (place_field): Move ERROR_MARK check later, and use the current
7435 allocation position to maintain monotonicity.
7437 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7439 * dominance.c: Include timevar.h.
7440 (calculate_dominance_info): Use TV_DOMINANCE.
7441 * timevar.def (TV_DOMINANCE): New timevar.
7442 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7444 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7446 PR rtl-optimization/14261
7447 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7448 move would be an INSV insn.
7449 (noce_process_if_block): Don't optimize if the destination is a
7450 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7452 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7454 * config/s390/s390.md: Add comments with the instructions emitted
7455 by an insn pattern if macros are used.
7457 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7459 PR rtl-optimization/26026
7460 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7461 is a known power of two shifted left a variable amount.
7463 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7465 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7466 to hash table twice when the debug_str section has SECTION_MERGE.
7468 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7470 * config/soft-fp: New directory. From glibc.
7471 * config/soft-fp/t-softfp: New.
7472 * config/soft-fp/README: New.
7473 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7474 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7475 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7476 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7477 * config.gcc: Use rs6000/t-fprules-fpbit or
7478 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7480 * config/rs6000/sfp-machine.h: New. Based on glibc.
7481 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7483 * config/rs6000/t-fprules: Remove fp-bit rules.
7484 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7485 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7486 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7487 (softfp_wrap_start, softfp_wrap_end): New.
7489 2006-04-18 DJ Delorie <dj@redhat.com>
7491 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7493 2006-04-18 Devang Patel <dpatel@apple.com>
7495 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7497 2006-04-18 Nick Clifton <nickc@redhat.com>
7499 * config/sh/t-symbian: Add rule to build sh-c.o
7500 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7501 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7502 (sh_symbian_encode_section_info): Likewise.
7504 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7506 * builtins.c (expand_builtin_strcmp): Cover label definition of
7507 do_libcall with HAVE_cmpstrnsi.
7509 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7511 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7513 * function.h (temp_slot_p): New.
7514 (function): Change the type of x_used_temp_slots to
7515 VEC(temp_slot_p,gc) *.
7517 2006-04-18 Nick Clifton <nickc@redhat.com>
7519 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7520 flag_strength_reduce.
7522 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7524 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7528 Partial revert of revision 112637
7529 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7530 Dale Johannesen <dalej@apple.com>
7533 * regclass.c (struct reg_pref): Update documentation.
7534 (regclass): Set prefclass to NO_REGS if memory is the best option.
7535 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7537 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7539 PR tree-optimization/26821
7540 * tree-ssa-math-opts.c (get_constant_one): New.
7541 (insert_reciprocals): Use it.
7543 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7545 * dwarf2out.c (free_AT): Delete.
7546 (remove_AT): Update string ref counts.
7547 (remove_child_TAG): Don't call free_die.
7549 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7550 or DW_TAG_GNU_EINCL.
7551 (prune_unused_types_walk_attribs): Reset string refcounts.
7552 (prune_unused_types_update_strings): New.
7553 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7554 call free_die. Do call prune_unused_types_update_strings.
7555 (prune_unused_types): Empty debug_str_hash.
7557 2006-04-17 Roger Sayle <roger@eyesopen.com>
7559 * expr.c (expand_assignment): Optimize away no-op moves where the
7560 source and destination are equal and have no side-effects.
7562 2006-04-17 Richard Guenther <rguenther@suse.de>
7565 * reload.c (push_reload): Guard calls to get_secondary_mem
7568 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7570 * alias.c (reg_base_value, old_reg_base_value): Change the
7571 type to VEC(rtx,gc) *.
7572 (REG_BASE_VALUE, find_base_value, record_set,
7573 init_alias_analysis): Use VEC instead of VARRAY.
7575 * alias.c (alias_sets): Change the type to
7576 VEC(alias_set_entry,gc) *.
7577 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7578 VEC instead of VARRAY.
7579 (last_alias_set): Remove.
7581 * cgraph.h (cgraph_edge_p): New.
7582 Update the prototype of cgraph_function_versioning.
7583 * cgraphunit.c (cgraph_copy_node_for_versioning,
7584 cgraph_function_versioning): Use VEC instead of VARRAY.
7585 * ipa-cp.c (ipcp_insert_stage): Likewise.
7587 2006-04-16 Roger Sayle <roger@eyesopen.com>
7590 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7591 "A op B" or "A op C", we may need to convert A to the type of B and C.
7593 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7595 * target.h (struct gcc_target): Add mode_rep_extended.
7596 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7597 (init_num_sign_bit_copies_in_rep): Initialize it using
7599 (truncate_to_mode): Use it.
7600 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7601 * targhooks.h (default_mode_rep_extended): Declare it.
7602 * targhooks.c (default_mode_rep_extended): Define it.
7603 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7604 default_mode_rep_extended.
7605 (TARGET_INITIALIZER): Include it.
7606 * doc/tm.texi (Misc): Document it.
7607 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7608 (mips_truncated_to_mode): New function.
7610 2006-04-16 Roger Sayle <roger@eyesopen.com>
7613 * expr.c (compress_float_constant): Copy the narrow constant into
7614 a new pseudo before extending it to its final width.
7616 2006-04-16 Roger Sayle <roger@eyesopen.com>
7617 Andrew Pinski <pinskia@gcc.gnu.org>
7618 Dale Johannesen <dalej@apple.com>
7621 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7622 special case code to implement V8HImode and V16QImode with SSE2.
7624 2006-04-15 Roger Sayle <roger@eyesopen.com>
7626 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7627 trees are constructed with a suitable tree type.
7629 2006-04-15 Roger Sayle <roger@eyesopen.com>
7631 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7632 (integer_onep): Likewise.
7633 (integer_all_onesp): Likewise.
7634 (integer_pow2p): Likewise.
7635 (integer_nonzerop): Likewise.
7636 (real_zerop): Likewise.
7637 (real_onep): Likewise.
7638 (real_twop): Likewise.
7639 (real_minus_onep): Likewise.
7640 (int_size_in_bytes): Likewise.
7641 (host_integerp): Likewise.
7643 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7645 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7646 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7647 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7649 * tree-ssa-structalias.h (alias_info): Remove num_references.
7651 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7653 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7654 (output_bvb patterns): Likewise.
7655 * pa.c (output_bb): Use 'bb' insn for long branch case.
7656 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7657 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7658 1. Correct length operand for alternatives 1 and 2.
7659 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7660 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7662 2006-04-14 Roger Sayle <roger@eyesopen.com>
7664 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7665 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7666 were accidentally reverted by r112959.
7668 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7671 * except.h (eh_region_outermost): New prototype.
7672 * except.c (eh_region_outermost): New function.
7673 * tree-cfg.c (find_outermost_region_in_block): Use it.
7675 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7677 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7679 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7680 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7681 (init_reload, reload): Use VEC instead of VARRAY.
7682 * reload.h: Update the prototype for
7683 reg_equiv_memory_loc_varray.
7685 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7686 Eric Botcazou <ebotcazou@libertysurf.fr>
7688 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7691 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7694 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7695 to expand fallback builtin function call.
7697 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7700 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7701 and emit libcall here in case the builtin fails.
7702 (expand_builtin_strcmp): Always emit the libcall here on failure.
7704 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7706 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7707 * flow.c (reg_n_info): Change the type to
7708 VEC(reg_info_p,heap) *.
7709 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7711 * regs.h (reg_info_p): New.
7712 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7713 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7714 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7717 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7719 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7721 * params.h (MAX_SCHED_READY_INSNS): New macro.
7722 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7723 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7724 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7725 the ready list for 1 cycle during the first scheduling pass.
7726 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7728 2006-04-13 Richard Henderson <rth@redhat.com>
7731 * gimple-low.c (lower_omp_directive): Remove dead code.
7732 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7733 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7734 * omp-low.c (struct omp_region): Move to tree-flow.h.
7735 (root_omp_region): Export.
7736 (omp_regions, lookup_omp_region): Remove.
7737 (determine_parallel_type): Update for struct omp_region changes.
7738 (dump_omp_region): Dump regions with block numbers.
7739 (new_omp_region): Take type and block instead of stmt; malloc
7741 (free_omp_region_1, free_omp_regions): New.
7742 (expand_parallel_call): Take entry_stmt as argument; update for
7743 changes to omp_region.
7744 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7745 (remove_exit_barriers): New.
7746 (expand_omp_parallel): Update for struct omp_region changes.
7747 (expand_omp_synch): Likewise.
7748 (expand_omp): Likewise.
7749 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7750 (expand_omp_for_static_chunk): Likewise.
7751 (expand_omp_for): Likewise.
7752 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7753 (expand_omp_sections): Similarly, with GOMP_sections_end.
7754 (expand_omp_single): New.
7755 (build_omp_regions_1): Update for OMP_CONTINUE.
7756 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7757 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7758 OMP_SECTIONS_SECTIONS.
7759 (lower_omp_single_simple): Don't emit barrier here.
7760 (lower_omp_single_copy): Likewise.
7761 (lower_omp_single): Fix bindings, and lower to straightline now.
7762 (lower_omp_master, lower_omp_ordered): Likewise.
7763 (lower_omp_critical): Likewise.
7764 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7765 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7766 omp edges, free it afterward.
7767 (make_omp_sections_edges): Remove.
7768 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7769 (move_stmt_r): Handle OMP_CONTINUE.
7770 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7771 statement pointers to basic blocks. Add type member.
7772 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7773 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7774 * tree-inline.c (estimate_num_insns_1): Likewise.
7775 * tree-pretty-print.c (dump_generic_node): Likewise.
7776 * tree-ssa-operands.c (get_expr_operands): Likewise.
7777 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7778 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7779 (OMP_CONTINUE): New.
7780 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7781 (OMP_SECTIONS_SECTIONS): Remove.
7782 (OMP_SECTION_LAST): New.
7783 (OMP_RETURN_NOWAIT): New.
7785 2006-04-13 Roger Sayle <roger@eyesopen.com>
7787 * fold-const.c (native_encode_vector, native_interpret_real):
7788 Correct obvious mistakes in the previous check-in.
7790 2006-04-13 Roger Sayle <roger@eyesopen.com>
7792 * fold-const.c (native_encode_expr): New function to encode
7793 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7794 or VECTOR_CST into a specified buffer.
7795 (native_encode_int): New function.
7796 (native_encode_real): New function.
7797 (native_encode_complex): New function.
7798 (native_encode_vector): New function.
7799 (native_interpret_expr): Inverse of native_encode_expr to convert
7800 a target representation into an INTEGER_CST, REAL_CST etc...
7801 (native_interpret_int): New function.
7802 (native_interpret_real): New function.
7803 (native_interpret_complex): New function.
7804 (native_interpret_vector): New function.
7805 (fold_view_convert_expr): New function to constant fold/evaluate
7806 a VIEW_CONVERT_EXPR of a suitable constant expression.
7807 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7808 Change call of build1 to fold_build1 when constructing a
7811 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7812 Ulrich Weigand <uweigand@de.ibm.com>
7815 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7818 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7821 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7822 optimize to lo_sum for DFmode if !TARGET_FPRS.
7824 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7826 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7827 delete_alias_info, compute_flow_sensitive_aliasing,
7828 group_aliases): Use VEC instead of VARRAY.
7829 * tree-ssa-structalias.c (update_alias_info): Likewise.
7830 * tree-ssa-structalias.h (alias_info): Change the type of
7831 processed_ptrs to VEC(tree,heap) *.
7833 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7836 * config/sh/lib1funcs.h: New file, broken out of:
7837 * config/sh/lib1funcs.asm.
7838 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7840 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7841 * config/sh/lib1funcs-Os-4-200.asm: New file.
7842 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7843 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7844 (EXTRA_MULTILIB_PARTS): Include it.
7845 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7846 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7847 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7848 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7851 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7853 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7854 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7855 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7857 * tree-ssa-live.h: Include vecprim.h.
7858 (tree_partition_associator_d): Change the type of
7859 first_partition to VEC(int,heap) *.
7860 (tpa_first_partition): Use VEC instead of VARRAY.
7862 * Makefile.in (GTFILES): Move functions.h after tree.h.
7863 * function.c (reset_block_changes, record_block_change,
7864 check_block_change, free_block_changes): Use VEC instead of
7866 * function.h (function): Change the type of
7867 ib_boundaries_block to VEC(tree,gc) *.
7868 * tree-inline.c (copy_cfg_body): Initialize
7869 ib_boundaries_block to NULL instead of (varray_type) 0.
7871 2006-04-12 Roger Sayle <roger@eyesopen.com>
7873 * expr.c (emit_group_store): Correct operand order in call to
7874 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7875 a SUBREG_BYTE of zero.
7877 2006-04-12 Richard Guenther <rguenther@suse.de>
7879 * profile.c (compute_branch_probabilities): Remove code
7880 encapsulated in !ir_type (), which are remanents of the
7881 removed RTL profiling code.
7882 * rtl-profile.c: Remove.
7884 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7886 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7887 magic NULL_RTX comment.
7888 (function_arg): Store entire fp arg to mem if any part should go
7890 (rs6000_arg_partial_bytes): Adjust for above change.
7892 2006-04-11 Roger Sayle <roger@eyesopen.com>
7894 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7895 if it hasn't been initialized by dwarf2out_init.
7897 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7899 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7900 symbolic constants in branch patterns.
7902 2006-04-11 Roger Sayle <roger@eyesopen.com>
7904 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7906 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7908 PR rtl-optimization/27073
7909 * gcse.c (try_replace_reg): Revert last change. Continue to search
7910 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7913 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7915 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7916 aggregate types other than record and union types.
7917 (function_arg): Likewise.
7918 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7920 (function_value): In 64-bit mode, return objects that require it
7923 2006-04-11 Roger Sayle <roger@eyesopen.com>
7925 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7927 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7929 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7931 2006-04-03 Jeff Law <law@redhat.com>
7934 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7935 alias information too.
7937 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7939 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7941 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7944 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7945 (premark_used_types_helper): New.
7946 (premark_used_types): New.
7947 (gen_subprogram_die): Call premark_used_types.
7948 (prune_unused_types_walk): Do not prune perennial dies.
7949 * function.c (used_types_insert): New.
7950 * function.h (struct function): Add used_types_hash field.
7951 (used_types_insert): Add prototype.
7952 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7953 * c-parser.c (c_parser_cast_expression): Save casted types in used
7956 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7959 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7960 rs6000_explicit_options.float_gprs.
7962 2006-04-10 Roger Sayle <roger@eyesopen.com>
7964 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7965 from ix86_expand_vector_init_low_nonzero. Take an additional
7966 one_var argument indicating which element is non-zero. Support
7967 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7968 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7969 with one_var instead of ix86_expand_vector_init_low_nonzero.
7971 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7973 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7974 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7975 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7976 build/genextract.o): Depend on vecprim.h.
7977 * cfglayout.c, df-problems.c, function.c, genextract.c,
7978 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7979 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7983 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7985 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7986 Declare VECs of this type.
7987 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7988 (remove_children): Delete.
7989 (add_dwarf_attr): Use VEC routines.
7990 (add_AT_flag): Update for changes to add_dwarf_attr.
7991 (add_AT_int): Likewise.
7992 (add_AT_unsigned): Likewise.
7993 (add_AT_long_long): Likewise.
7994 (add_AT_vec): Likewise.
7995 (add_AT_string): Likewise.
7996 (add_AT_die_ref): Likewise.
7997 (add_AT_fde_ref): Likewise.
7998 (add_AT_loc): Likewise.
7999 (add_AT_loc_list): Likewise.
8000 (add_AT_addr): Likewise.
8001 (add_AT_lbl_id): Likewise.
8002 (add_AT_lineptr): Likewise.
8003 (add_AT_macptr): Likewise.
8004 (add_AT_offset): Likewise.
8005 (add_AT_range_list): Likewise.
8006 (get_AT): Use VEC_iterate.
8007 (remove_AT): Use VEC_ordered_remove.
8008 (free_die): Fold remove_children into here; have it use VEC_iterate.
8009 (print_die): Use VEC_iterate on attrs.
8010 (reverse_die_lists): Don't reverse attr lists.
8011 (die_checksum): Use VEC_iterate on attrs.
8012 (same_die_p): Likewise.
8013 (output_location_lists): Likewise.
8014 (build_abbrev_table): Likewise.
8015 (size_of_die): Likewise.
8016 (unmark_all_dies): Likewise.
8017 (output_abbrev_section): Likewise.
8018 (output_die): Likewise.
8019 (prune_unused_types_walk_attribs): Likewise.
8021 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8023 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8025 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8028 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8030 2006-04-09 Roger Sayle <roger@eyesopen.com>
8032 * expr.c (store_constructor): Don't bother clearing target if
8033 we're about to assign a vector to it using vec_init_optab.
8035 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8037 * tree-ssa-alias.c (lhs_may_store_to): New function.
8038 (recalculate_used_alone): Handle LHS of calls.
8040 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8044 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8045 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8046 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8047 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8048 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8049 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8050 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8051 stubs. Add ".align 8" directives before all ".dword" directives.
8052 (GTHREAD_USE_WEAK): Revise comment.
8053 (TARGET_ATTRIBUTE_WEAK): Define.
8054 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8055 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8056 * stublib.c: New file.
8061 * pa.md (cbranch patterns): Revise arguments used in calls to
8062 output_cbranch, output_bb and output_bvd. Add long branch length
8064 (fbranch patterns): Handle long branches.
8065 (jump): Revise length check. Revise arguments for output_lbranch call.
8066 Add long branch length attributes.
8067 (decrement_and_branch_until_zero): Add long branch length attributes.
8068 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8069 Likewise. Revise arguments for output_parallel_addb and
8070 output_parallel_movb calls.
8071 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8072 output_parallel_movb and output_parallel_addb): Update prototypes.
8073 * pa.c (output_cbranch): Revise arguments. Correct handling of
8074 nullification in long branches.
8075 (output_lbranch): Add new argument to control extraction of delay
8077 (output_bb): Handle long branches.
8078 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8079 output_parallel_addb): Likewise.
8081 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8083 PR rtl-optimization/27073
8084 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8087 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8089 * tree.h (tree_memory_tag): Add old_used_alone.
8090 (SMT_OLD_USED_ALONE): New macro.
8091 * tree-ssa-alias.c (recalculate_used_alone): Stop
8092 marking things for renaming unnecessarily.
8094 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8096 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8097 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8098 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8099 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8100 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8101 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8102 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8103 spelling convensions.
8104 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8105 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8106 typos. Follow spelling conventions.
8108 2006-04-07 DJ Delorie <dj@redhat.com>
8110 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8111 passed on the stack.
8112 (m32c_init_cumulative_args): When a function returns a structure,
8113 always pass the pointer to that return area on the stack.
8114 (m32c_function_arg_advance): Don't increment the parameter number
8115 if we're processing the returned structure pointer.
8116 (pushm_info): Reverse order of registers.
8118 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8120 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8121 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8122 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8123 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8125 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8126 chrec_fold_multiply): Same.
8127 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8128 force_expr_to_var_cost): Same.
8129 * tree-mudflap.c (mf_xform_derefs_1): Same.
8130 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8132 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8134 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8135 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8138 2006-04-07 Jan Hubicka <jh@suse.cz>
8140 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8142 2006-04-07 Richard Guenther <rguenther@suse.de>
8144 PR tree-optimization/26135
8145 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8146 loads for store copy-prop.
8147 (copy_prop_visit_stmt): Likewise.
8149 2006-04-05 Robert Millan <robertmh@gnu.org>
8151 * config/i386/linux.h: Add a comment to mark macros that are
8152 being overriden in config/k*bsd-gnu.h.
8153 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8155 * config/knetbsd-gnu.h: Ditto.
8157 2006-04-06 Jan Hubicka <jh@suse.cz>
8161 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8164 2006-04-06 Mike Stump <mrs@apple.com>
8166 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8167 for HAVE_nonlocal_goto to be consistent.
8168 (expand_builtin_nonlocal_goto): Likewise.
8169 (expand_builtin_strcmp): Use #ifdef instead of #if
8170 for HAVE_cmpstrnsi to be consistent.
8172 2006-04-05 DJ Delorie <dj@redhat.com>
8174 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8177 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8179 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8180 got-relative addressing for anything but SImode.
8182 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8183 even if the calling function doesn't modify them.
8185 2006-04-05 Richard Guenther <rguenther@suse.de>
8187 PR tree-optimization/26919
8188 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8189 to cgraph_estimate_size_after_inlining.
8191 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8193 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8195 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8197 PR tree-optimization/26996
8198 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8199 VECTOR_TYPE variables.
8201 2006-04-05 Richard Guenther <rguenther@suse.de>
8203 PR tree-optimization/26763
8204 * fold-const.c (fold_comparison): Move folding of
8205 PTR + CST CMP PTR + CST ...
8206 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8208 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8210 * doc/install.texi (Prerequisites): Refine some wording on
8211 bootstrapping and ksh.
8212 Move the version numbers of DejaGnu here from the testing section
8213 and fix casing of names.
8214 Fix markup and clarify wording for autogen requirements.
8215 Refer to GCJ instead of just java.
8216 Refer to SVN instead of CVS.
8217 Describe diffutils as useful instead of necessary.
8218 (Downloading the source): Refer to SVN instead of CVS.
8219 Adjust a link to our web site accordingly.
8220 (Configuration): Fix casing of Bison.
8221 (Building): Refer to SVN instead of CVS.
8222 Fix a sentence on the use of Bison and remove duplicate (and
8223 incorrect) version number of Bison requirement.
8224 Remove one redundant list of packages needed for building.
8225 (Specific): Avoid reference to CVS.
8227 2006-04-04 Eric Christopher <echristo@apple.com>
8229 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8230 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8231 (rs6000_handle_struct_attribute): New.
8232 (rs6000_ms_bitfield_layout_p): Ditto.
8234 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8236 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8237 NULL for dso parameter to atexit_common.
8239 2006-04-04 Eric Christopher <echristo@apple.com>
8241 * config/i386/i386.c (machopic_output_stub): Output \t
8242 between instructions and operands.
8244 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8246 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8247 satisfies_constraint_[IL] to explicit tests on value.
8249 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8251 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8252 set_nb_iterations_in_loop): Use build_int_cst instead of
8254 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8255 build_int_cst instead of convert.
8257 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8259 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8260 new value 2 for incoming.
8261 * function.c (expand_function_start): Call struct_value_rtx
8263 * config/sparc/sparc.md: Comment updated_return.
8264 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8265 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8266 struct return if sparc_std_struct_return and incoming is 2.
8267 (print_operand): Do not adjust return if
8268 sparc_std_struct_return.
8270 2006-04-04 Roger Sayle <roger@eyesopen.com>
8272 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8273 convert in the middle-end.
8274 * expr.c (store_expr, store_constructor, get_inner_reference,
8275 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8277 * tree.c (build_range_type): Likewise.
8279 2006-04-04 Tom Tromey <tromey@redhat.com>
8281 * doc/install.texi (Prerequisites): Mention jar.
8283 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8285 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8288 2006-04-04 Matthias Klose <doko@debian.org>
8290 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8294 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8297 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8299 * doc/extend.texi (Function Attributes): Rewrite visibility
8300 attribute documentation.
8301 * doc/invoke.texi (C++ Dialect Options): Rewrite
8302 -fvisibility-inlines-hidden documentation to describe something
8303 entirely different, although in practise compatible.
8304 (Code Gen Options): Warn about system headers in -fvisibility=
8307 * doc/extend.texi (Other Builtins): Document that
8308 __builtin_nan is a compile-time constant only when its argument
8311 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8313 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8314 trying to remove TRUNCATE check if all bits outside the new mode
8315 are identical to the sign bit.
8317 2006-04-03 Jeff Law <law@redhat.com>
8319 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8320 and operand scanning in some common cases.
8322 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8323 Dale Johannesen <dalej@apple.com>
8326 * regclass.c (struct reg_pref): Update documentation.
8327 (regclass): Set prefclass to NO_REGS if memory is the best option.
8328 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8329 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8330 into account. For non-registers, equate an empty preferred
8331 reload class to a `!' in the constraint; move the if clause to
8332 do so after those that reject the insn.
8333 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8335 (find_dummy_reload): Likewise.
8336 * doc/tm.texi (Register Classes): Document what it means
8337 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8338 * config/i386/i386.c (ix86_preferred_reload_class): Force
8339 using SSE registers (and return NO_REGS for floating-point
8340 constants) if math is done with SSE.
8341 (ix86_preferred_output_reload_class): New.
8342 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8343 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8344 * config/i386/i386.md: Remove # register preferences.
8346 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8349 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8350 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8351 the type of nb_iter.
8352 (instantiate_parameters_1): Convert the operands before calling
8353 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8354 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8356 2006-04-02 Roger Sayle <roger@eyesopen.com>
8358 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8359 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8361 * dojump.c (do_jump): Likewise.
8362 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8363 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8364 gimplify_boolean_expr): Likewise.
8365 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8366 * varasm.c (array_size_for_constructor): Likewise.
8367 * tree-object-size.c (compute_object_offset): Likewise.
8369 2006-04-02 Roger Sayle <roger@eyesopen.com>
8372 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8373 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8375 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8377 PR tree-optimization/26939
8378 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8380 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8382 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8383 at_stmt. Convert the type of operands before calling
8384 build_polynomial_chrec.
8385 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8387 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8388 (instantiate_parameters_1): Convert the type of operands before calling
8389 build_polynomial_chrec.
8390 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8391 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8392 reset_evolution_in_loop): Insert asserts to check the types of the
8394 (chrec_type): Moved...
8395 (eq_evolutions_p): Use operand_equal_p.
8396 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8397 the types of the operands.
8398 (chrec_type): ...here.
8399 * tree-data-ref.c (create_data_ref): Convert the operands before
8400 calling chrec_replace_initial_condition.
8401 (same_access_functions, analyze_subscript_affine_affine,
8402 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8403 (compute_subscript_distance, analyze_ziv_subscript,
8404 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8405 analyze_miv_subscript): Convert the operands before calling
8406 chrec_fold_minus or chrec_fold_plus.
8408 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8410 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8411 the dependence_relations vector.
8412 (compute_data_dependences_for_loop): Adjust call to
8413 compute_all_dependences.
8415 2006-04-01 Roger Sayle <roger@eyesopen.com>
8416 Richard Henderson <rth@redhat.com>
8418 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8419 gimple_boolify on the condition before calling gimplify_expr.
8421 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8423 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8424 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8425 the frame size. Update to use the new macros.
8426 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8427 * config/xtensa/ieee754-df.S: Likewise.
8429 2006-03-31 Richard Henderson <rth@redhat.com>
8431 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8432 (make_edges): ... here. Control fallthru creation with a local
8433 variable. Do not play with fake edges.
8434 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8435 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8438 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8440 * dwarf2.h (DW64_CIE_ID): Define.
8441 * dwarf2out.c (DWARF_CIE_ID): Define.
8442 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8443 length header. Use DWARF_CIE_ID.
8444 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8445 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8447 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8449 * config/sh/linux-atomic.asm: New file.
8450 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8452 2006-03-31 DJ Delorie <dj@redhat.com>
8454 * config/m32c/cond.md: Set condition flags properly throughout.
8455 * config/m32c/minmax.md: Likewise.
8456 * config/m32c/prologue.md: Likewise.
8457 * config/m32c/bitops.md: Likewise.
8458 * config/m32c/muldiv.md: Likewise.
8459 * config/m32c/mov.md: Likewise.
8460 * config/m32c/addsub.md: Likewise.
8461 * config/m32c/m32c.md: Likewise.
8462 * config/m32c/jump.md: Likewise.
8463 * config/m32c/shift.md: Likewise.
8465 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8466 conditionally output the pattern for this.
8467 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8468 (m32c_compare_redundant): New.
8469 (m32c_output_compare): New.
8470 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8472 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8473 dest, not src. Allow other 4-byte modes.
8475 2006-03-30 Denis Chertykov <denisc@overta.ru>
8477 * doc/md.texi: Refer to avr/constraints.md instead of
8480 2006-03-30 Roger Sayle <roger@eyesopen.com>
8482 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8483 signed vs. unsigned comparison failures on some hosts.
8485 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8488 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8489 change to FLOAT_REGS.
8491 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8492 (rs6000_override_options): Use it.
8493 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8494 only for -mabi=spe/no-spe and -mabi=altivec.
8496 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8498 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8501 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8503 * Makefile.in: Rename docdir to gcc_docdir.
8505 2006-03-30 Roger Sayle <roger@eyesopen.com>
8508 * expr.c (emit_group_store): Optimize group stores into a pseudo
8509 register by using a paradoxical subreg to initialize the destination
8510 if the first or last member of the group specifies a "low part".
8512 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8515 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8516 * target.h (struct gcc_target.speculate_insn): Change type of the
8517 second parameter to 'int'.
8518 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8519 the second operand of the DEPS_LIST.
8520 (copy_DEPS_LIST_list): Update reference to the second operand of the
8522 * rtl.h (alloc_DEPS_LIST): Update signature.
8523 * sched-int.h (ds_t): Change typedef to 'int'.
8524 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8526 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8528 * haifa-sched.c (try_ready): Change condition to restore
8529 non-speculative pattern of the instruction.
8530 (process_insn_depend_be_in_spec): Code to keep probability of the
8531 speculative dependence non-decreasing.
8533 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8535 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8536 (single_move_for_movmem): ... this. Also change all uses.
8537 (bfin_expand_strmov): Renamed to...
8538 (bfin_expand_movmem): ... this. Also change all uses.
8539 * config/bfin/bfin.md (movstrsi): Renamed to...
8540 (movstrsi): ...this.
8542 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8544 PR tree-optimization/26830
8546 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8547 (copy_prop_visit_stmt): Remove write-only variable ann.
8548 (init_copy_prop): Check variable loop depth here. Do not simulate
8549 memory-tag and virtual operand PHIs except for store copy prop.
8551 2006-03-30 Richard Guenther <rguenther@suse.de>
8553 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8554 variants with double arguments.
8556 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8558 * genpreds.c (write_tm_constrs_h): Delete variable p.
8559 * genconditions.c (write_header): Add tm-constrs.h to included
8561 * genpeep.c (main): Add toplev.h to included headers.
8562 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8563 (build/genpeep.o): Add toplev.h dependency.
8564 * config/rs6000/constraints.md: Add "W" constraint.
8566 2006-03-29 Roger Sayle <roger@eyesopen.com>
8568 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8569 sizes by correctly testing whether the size fits a host integer.
8570 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8571 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8572 SImode range for the default sizetype and bitsizetype.
8574 2006-03-29 Roger Sayle <roger@eyesopen.com>
8576 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8577 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8578 quickly if the argument is already of the correct type.
8579 Call fold_build1 instead of build1. Tidy up blank lines.
8581 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8583 * genemit.c (main): Add tm-constrs.h to included headers.
8584 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8585 * genpeep.c (main): Add tm-constrs.h to included headers.
8586 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8587 (write_tm_constrs_h): this and write complete file.
8588 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8589 (write_insn_preds_c): Add tm-constrs.h to included headers.
8590 (gen_constrs): New variable.
8591 (parse_option): Parse "-c".
8592 (main): Invoke write_tm_constrs_h.
8593 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8594 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8595 (object_out_file): Add tm-constrs.h dependency.
8596 (insn-emit.o): Same.
8597 (insn-output.o): Same.
8598 (insn-peep.o): Same.
8599 (insn-preds.o): Same.
8600 (insn-recog.o): Same.
8601 (tm-constsr.h): New target.
8602 (s-constrs-h): New target.
8604 * config/rs6000/constraints.md: New file.
8605 * config/rs6000/rs6000.c: Include tm-constrs.h.
8606 (num_insn_constant_wide): Convert to satisfies_constraint.
8607 (rs6000_rtx_costs): Convert to satisfies_constraint.
8608 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8609 (CONST_OK_FOR_LETTER_P): Delete.
8610 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8611 (EXTRA_CONSTRAINT): Delete.
8612 (EXTRA_MEMORY_CONSTRAINT): Delete.
8613 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8614 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8615 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8616 satisfies_constraint.
8618 * config/i386/i386.c: Include tm-constrs.h.
8620 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8622 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8623 * tree-data-ref.c (find_data_references_in_loop,
8624 compute_data_dependences_for_loop): Use pointers to VEC.
8625 (analyze_all_data_dependences): Adjust calls.
8626 * tree-data-ref.h (find_data_references_in_loop,
8627 compute_data_dependences_for_loop): Adjust declarations.
8628 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8629 compute_data_dependences_for_loop.
8631 2006-03-29 Paul Brook <paul@codesourcery.com>
8633 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8636 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8638 PR tree-optimization/26859
8639 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8641 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8642 for the step after fold_convert.
8644 2006-03-29 Paul Brook <paul@codesourcery.com>
8646 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8647 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8649 2006-03-29 Paul Brook <paul@codesourcery.com>
8652 * targhooks.c (default_narrow_bitfield): New fuction.
8653 * targhooks.h (default_narrow_bitfield): add prototype.
8654 * target.h (gcc_target): Add narrow_volatile_bitfield.
8655 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8656 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8657 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8658 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8660 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8662 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8664 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8665 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8666 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8667 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8668 (s390_function_arg_float): Allow SDmode and DDmode values to be
8669 passed in floating point registers.
8670 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8671 check with SCALAR_FLOAT_MODE_P.
8672 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8674 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8676 PR tree-optimization/25985
8677 * tree-ssa-loop-niter.c (number_of_iterations_le,
8678 number_of_iterations_ne): Make comments more precise.
8679 (number_of_iterations_cond): Add only_exit argument. Use the
8680 fact that signed variables do not overflow only when only_exit
8682 (loop_only_exit_p): New.
8683 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8684 number_of_iterations_cond.
8686 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8688 PR tree-optimization/26643
8689 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8692 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8694 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8695 (divsi3_i4_int): Likewise.
8697 2006-03-28 Roger Sayle <roger@eyesopen.com>
8699 * expr.c (emit_group_store): Only create a new pseudo reg if the
8700 quantity it needs to hold isn't already a suitable pseudo.
8702 2006-03-28 Jeff Law <law@redhat.com>
8704 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8705 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8707 2006-03-28 Roger Sayle <roger@eyesopen.com>
8709 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8710 the equivalent ~X & Y, and the symmetry related transformations.
8711 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8712 ~X & Y, and symmetry related transforms.
8714 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8716 Revert my 2006-03-27 patches.
8718 2006-03-28 Roger Sayle <roger@eyesopen.com>
8720 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8721 ~(T1)X, when T1 and T2 are integer types of the same precision
8722 and (T2)X isn't an extension.
8724 2006-03-28 Jeff Law <law@redhat.com>
8726 PR tree-optimization/26796
8727 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8728 need EH edge cleanups rather than purging them immediately.
8729 (eliminate_degenerate_phis): Handle queued EH cleanups.
8731 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8733 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8736 2006-03-27 Roger Sayle <roger@eyesopen.com>
8739 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8740 cast BIT_NOT_EXPR operand to the correct type.
8742 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8744 * tree-loop-linear.c: Don't include varray.h.
8745 (gather_interchange_stats, try_interchange_loops,
8746 linear_transform_loops): Use VEC instead of VARRAY.
8747 * lambda-mat.c: Don't include varray.h.
8748 * tree-chrec.c: Same.
8749 * lambda-trans.c: Same.
8750 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8751 VEC instead of VARRAY.
8752 * tree-vectorizer.h: Idem.
8753 * tree-data-ref.c (dump_data_references,
8754 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8755 initialize_data_dependence_relation, finalize_ddr_dependent,
8756 compute_all_dependences, find_data_references_in_loop,
8757 compute_data_dependences_for_loop, analyze_all_data_dependences,
8758 free_dependence_relation, free_dependence_relations,
8759 free_data_refs): Idem.
8760 * tree-data-ref.h (data_reference_p, subscript_p): New.
8761 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8762 VEC instead of VARRAY.
8763 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8764 (find_data_references_in_loop, compute_data_dependences_for_loop,
8765 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8766 dump_data_dependence_relations, free_dependence_relations,
8767 free_data_refs): Adjust declaration.
8768 (lambda_transform_legal_p): Move declaration here...
8769 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8770 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8771 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8772 vect_analyze_data_refs): Use VEC instead of VARRAY.
8773 * lambda.h (lambda_transform_legal_p): ...from here.
8774 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8775 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8776 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8777 tree-chrec.o): Don't depend on VARRAY_H.
8779 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8781 * rtl.def (Copyright): Update date.
8782 (DEPS_LIST): Change type of the second operand to 'int'.
8783 * target.h (Copyright): Update date.
8784 (struct gcc_target.speculate_insn): Change type of the second parameter
8786 * lists.c (Copyright): Update date.
8787 (alloc_DEPS_LIST): Change signature. Update reference to the second
8788 operand of the DEPS_LIST.
8789 (copy_DEPS_LIST_list): Update reference to the second operand of the
8791 * rtl.h (Copyright): Update date.
8792 (alloc_DEPS_LIST): Update signature.
8793 * sched-int.h (Copyright): Update date.
8794 (ds_t): Change typedef to 'int'.
8795 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8797 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8799 * haifa-sched.c (Copyright): Update date.
8800 (try_ready): Change condition to restore non-speculative pattern
8802 (process_insn_depend_be_in_spec): Code to keep probability of the
8803 speculative dependence non-decreasing.
8805 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8807 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8808 shut up the compiler.
8810 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8812 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8813 to use lib prefix for target.
8814 ($(T)libic_invalidate_array_4-200.a): Likewise.
8815 ($(T)libic_invalidate_array_4a.a): Likewise.
8817 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8818 J"orn Rennecke <joern.rennecke@st.com>
8820 * superh.opt: New file.
8821 * sh.c (boardtype, osruntime): Remove.
8822 * superh.h (SUBTARGET_OPTIONS): Remove.
8823 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8825 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8826 arguments with ^ and/or [].
8828 * config.gcc (sh-*-*): Add quoting to account for quirk of
8830 Replace == with = in enable_incomplete_targets test.
8832 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8833 with MASK_LITTLE_ENDIAN.
8835 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8836 * config/sh/sh.opt: Added to some comments.
8837 * config/sh/superh.h: Removed some chaff.
8839 * config/sh/sh.opt: Add m4-[1234]00* options.
8840 * config/sh/sh.c (sh_handle_option): Likewise.
8841 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8842 (ic_invalidate_array_4-100.o): New rule.
8843 ($(T)libic_invalidate_array_4-100.a): Likewise.
8844 (ic_invalidate_array_4-200.o): Likewise.
8845 ($(T)libic_invalidate_array_4-200.a): Likewise.
8846 (ic_invalidate_array_4a.o): Likewise.
8847 ($(T)libic_invalidate_array_4a.a): Likewise.
8848 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8849 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8851 * config/sh/crt1.asm: Merged in profiling code.
8852 * config/sh/superh.h (STARTFILE_SPEC): Override.
8853 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8854 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8855 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8857 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8858 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8859 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8861 * sh.opt (mpretend-cmove): New option.
8862 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8863 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8864 (movsicc): Add TARGET_PRETEND_CMOVE code.
8866 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8868 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8869 s390_class_max_nregs): New function prototypes.
8870 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8871 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8872 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8873 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8875 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8877 * dwarf2out.c (add_location_or_const_value_attribute): Call
8878 tree_add_const_value_attribute if nothing else works.
8879 (reference_to_unused): New.
8880 (rtl_for_decl_init): Use reference_to_unused to decide whether
8881 to output an initializer.
8883 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8886 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8887 peephole removing spe frob_di_df_2.
8889 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8891 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8892 (subscript_dependence_tester_1): Declared.
8893 (print_dir_vectors, print_dist_vectors): New.
8894 (debug_data_dependence_relation): New.
8895 (dump_data_dependence_relation): Print more details.
8896 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8897 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8898 (save_dist_v, save_dir_v, add_outer_distances,
8899 build_classic_dist_vector_1): New.
8900 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8901 Don't test for lambda_vector_lexico_pos.
8902 (same_access_functions, add_multivariate_self_dist,
8903 add_other_self_distances, dir_from_dist): New.
8904 (build_classic_dir_vector): Replace implementation almost identical to
8905 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8907 (subscript_dependence_tester_1): New.
8908 (subscript_dependence_tester): Handle the lexicographically negative
8909 distance vectors by recomputing the dependence relation.
8910 (compute_affine_dependence): Remove parameter loop_nest_depth.
8911 (compute_self_dependence): Don't call compute_subscript_distance.
8912 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8913 Add a parameter for the loop_nest.
8914 (find_loop_nest_1, find_loop_nest): New.
8915 (compute_data_dependences_for_loop): Compute the loop nest, and give
8916 up if the nest is not well formed.
8917 * tree-data-ref.h (loop_p): New.
8918 (struct data_dependence_relation): Replace size_vect field with
8919 loop_nest, a vec of loops.
8920 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8921 (DDR_LOOP_NEST): New.
8922 (print_dir_vectors, print_dist_vectors,
8923 debug_data_dependence_relation): Declared.
8924 (index_in_loop_nest): New.
8925 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8926 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8929 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8931 * simplify-rtx.c (simplify_relational_operation): Call
8932 simplify_relational_operation_1 even if mode is VOIDmode.
8934 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8936 PR tree-optimization/26804
8937 * tree.h (DECL_CALL_CLOBBERED): New macro.
8938 (tree_decl_common): Add call_clobbered_flag.
8939 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8940 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8941 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8942 (mark_non_addressable): Ditto.
8943 * tree-ssa.c (verify_call_clobbered): New function.
8944 (verify_alias_info): Use it.
8945 * tree-pass.h (pass_reset_cc_flags): New prototype.
8946 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8947 (reset_cc_flags): New function.
8948 * passes.c (init_optimization_passes): Call reset_cc_flags after
8949 initializing referenced_vars.
8951 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8952 Roger Sayle <roger@eyesopen.com>
8955 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8956 to 1.0 for non-real operands. Implement A / A optimization for
8959 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8961 * config/i386/i386.c (size_cost): Correct the comment for
8962 cost of storing fp registers.
8963 (i386_cost): Likewise.
8964 (i486_cost): Likewise.
8965 (pentium_cost): Likewise.
8966 (pentiumpro_cost): Likewise.
8967 (k6_cost): Likewise.
8968 (athlon_cost): Likewise.
8969 (k8_cost): Likewise.
8970 (pentium4_cost): Likewise.
8971 (nocona_cost): Likewise.
8972 (generic64_cost): Likewise.
8973 (generic32_cost): Likewise.
8975 2006-03-24 Denis Chertykov <denisc@overta.ru>
8977 * config/avr/avr-protos.h (extra_constraint): Delete.
8978 (extra_constraint_Q): New declaration.
8979 * config/avr/constraints.md: New file.
8980 * config/avr/avr.md: Include it.
8981 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8982 (TMP_REGNO, ZERO_REGNO): Likewise.
8983 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8984 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8985 (extra_constraint): Delete.
8986 (extra_constraint_Q): Test for memory constraint 'Q'.
8987 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8988 (REG_CLASS_FROM_LETTER): Delete.
8989 (CONST_OK_FOR_LETTER_P): Delete.
8990 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8991 (EXTRA_CONSTRAINT): Delete.
8992 (TMP_REGNO): Delete.
8993 (ZERO_REGNO): Delete.
8995 2006-03-24 Jeff Law <law@redhat.com>
8997 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8998 directly. Call mark_new_vars_to_rename slightly earlier.
9000 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9002 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9004 (gen_compile_unit_die): Use new language types for Objective-C and
9006 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9007 DW_LANG_C_plus_plus.
9010 * config/t-darwin (crt3.o): Work around bug 26840.
9011 * config/darwin-crt3.c: Rewrite.
9012 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9014 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9016 * doc/invoke.texi: Document -femit-class-debug-always
9017 * common.opt: Add -femit-class-debug-always.
9019 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9021 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9022 index and base register.
9023 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9024 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9025 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9026 REGNO_OK_FOR_INDEX_P.
9027 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9029 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9030 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9031 REG_OK_FOR_BASE_P): Definitions removed.
9033 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9036 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9037 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9038 set yet or weren't marked as local yet.
9040 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9042 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9045 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9047 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9048 (rs6000_legitimate_small_data_p): Delete.
9049 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9050 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9051 and make static. Add forward declaration. Update uses.
9052 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9053 of offsettable_memref_p.
9054 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9055 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9057 2006-03-24 Jeff Law <law@redhat.com>
9059 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9060 around bug in immediate-use iterator.
9062 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9065 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9066 or __LITTLE_ENDIAN__.
9068 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9070 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9071 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9072 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9073 * config/sh/sh.opt (mdiv=): Amend description.
9074 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9075 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9076 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9077 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9078 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9079 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9080 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9081 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9082 TARGET_DIVIDE_CALL_FP.
9084 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9086 * haifa-sched.c (choose_ready): Fix type of the local variable.
9087 Move local variables. Add comment.
9088 (check_reg_live): Change signature. Make callable from debugger.
9089 * sched-int.h (check_reg_live): Update signature.
9090 * sched-ebb.c (check_reg_live): Update parameters.
9091 * sched-rgn.c (check_reg_live): Ditto.
9092 (region_head_or_leaf_p): Check pointer before dereferencing.
9093 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9094 before reload on optimization levels below 1.
9096 2006-03-23 Richard Henderson <rth@redhat.com>
9098 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9102 * config/alpha/predicates.md (local_symbolic_operand): Reject
9105 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9108 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9109 expressions which have overflowed constants.
9111 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9113 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9115 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9117 * cfgloopmanip.c (create_loop_notes): Removed.
9118 * final.c (final_scan_insn): Do not handle loop notes.
9119 * jump.c (squeeze_notes): Ditto.
9120 * cfglayout.c (skip_insns_after_block,
9121 duplicate_insn_chain): Ditto.
9122 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9124 * cfgloop.h (create_loop_notes): Declaration removed.
9126 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9128 * varasm.c (output_constant_pool): Restore fnname and fndecl
9130 (assemble_start_function): Adjust call accordingly.
9131 (assemble_end_function): Likewise.
9133 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9136 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9139 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9141 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9144 * system.h (ICE_EXIT_CODE): New macro.
9145 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9146 (diagnostic_action_after_output): Likewise.
9147 * gcc.c (fatal_ice): New function.
9148 (execute): Use it instead of fatal.
9149 (fancy_abort): Likewise.
9150 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9152 2006-03-22 Jeff Law <law@redhat.com>
9154 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9155 iv_analyze_result returning false.
9157 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9159 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9161 2006-03-22 Richard Henderson <rth@redhat.com>
9164 * except.c (duplicate_eh_regions_0): New.
9165 (duplicate_eh_region_1): Duplicate the children of the node as
9166 well as the node itself. Link them up properly.
9167 (duplicate_eh_region_2): Merge into ...
9168 (duplicate_eh_regions): ... here. Take copy_region argument, and
9169 copy only a sub-tree if asked. Simplify copying and fixup.
9170 (eh_region_outer_p): New.
9171 * except.h (duplicate_eh_regions): Update decl.
9172 (eh_region_outer_p): Declare.
9173 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9174 (lower_omp_master): Likewise.
9175 (lower_omp_ordered): Likewise.
9176 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9177 (move_stmt_r): Use it to remap labels. Handle recursion vs
9178 remap_decls_p properly.
9179 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9180 (find_outermost_region_in_block): New.
9181 (new_label_mapper): New.
9182 (move_sese_region_to_fn): Copy eh information to the new function
9184 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9186 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9189 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9191 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9192 into shared libraries.
9194 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9196 * doc/md.texi: Refer to i386/constraints.md instead of
9198 * config/i386/constraints.md: New file, extracted from...
9199 * config/i386/predicates.md: ...here.
9200 * config/i386/i386.md: Include constraints.md.
9202 2006-03-21 Jason Merrill <jason@redhat.com>
9204 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9207 * expr.c (init_block_move_fn): Force default visibility.
9208 (init_block_clear_fn): Likewise.
9209 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9210 * targhooks.c (default_external_stack_protect_fail): Likewise.
9212 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9214 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9215 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9216 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9217 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9218 (loadgp): Use mips_current_loadgp_style.
9219 (loadgp_noshared): New pattern.
9220 (sibcall_internal): Use MIPS_CALL.
9221 (sibcall_value_internal): Likewise.
9222 (sibcall_value_multiple_internal): Likewise.
9223 (call_internal): Likewise.
9224 (call_value_internal): Likewise.
9225 (call_value_multiple_internal): Likewise.
9226 (call_split): Use MIPS_CALL and add an 'S' constraint.
9227 (call_value_split): Likewise.
9228 (call_value_multiple_split): Likewise.
9229 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9230 (-mshared): New option.
9231 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9232 (mips_current_loadgp_style): Declare.
9233 * config/mips/mips.c (mips_classify_symbol): Avoid using
9234 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9235 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9236 TARGET_ABSOLUTE_ABICALLS.
9237 (override_options): Adjust comments. Improve the warning that is
9238 issued when -mabicalls and -G are used together.
9239 (mips_file_start): Remove comment.
9240 (mips_current_loadgp_style): New function.
9241 (mips_gnu_local_gp): New variable.
9242 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9244 (mips_output_function_prologue): Use mips_current_laodgp_style.
9245 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9246 the cprestore instruction.
9247 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9248 live for TARGET_ABSOLUTE_ABICALLS.
9249 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9250 (ASM_SPEC): Pass down -mshared and -mno-shared.
9251 (MIPS_CALL): New macro.
9252 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9254 * doc/invoke.texi (-mabicalls): Update documentation.
9255 (-mshared): Document.
9257 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9259 * config/ia64/unwind-hpux.c: New file.
9260 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9262 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9265 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9267 2006-03-21 Jeff Law <law@redhat.com>
9269 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9270 type conversions of a VR_VARYING source to a wider type.
9272 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9274 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9275 tm_file on Solaris 10 and later.
9276 (sparc64-*-solaris2*): Likewise.
9277 (sparc-*-solaris2*): Likewise.
9278 * config/sol26.h: Rename to config/sol2-6.h.
9279 * config/sol2-10.h: New file.
9281 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9284 * tree-ssa-pre.c (create_component_ref_by_pieces):
9287 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9290 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9291 return it immediately.
9293 2006-03-21 Michael Matz <matz@suse.de>
9295 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9297 (remove_arc, add_arc): Update num_out_arcs member.
9298 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9300 (cache_presence): New function.
9301 (compare_states_for_equiv): New function.
9302 (state_is_differed): Don't take number of outargs, adjust callers.
9303 Use new invariant for speeding up.
9304 (init_equiv_class): Create initial classes based on sorted
9306 (partition_equiv_class): Don't track out_arcs_num.
9307 (evaluate_equiv_classes): Call cache_presence on all states and
9310 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9312 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9313 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9314 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9315 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9317 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9318 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9319 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9320 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9321 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9323 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9324 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9325 (REGNO_REG_CLASS): ARGP is in PREGS.
9326 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9328 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9329 to deal with those addresses.
9330 * addresses.h: New file.
9331 * caller-save.c: Include "addresses.h".
9332 (init_caller_save): Use new base_reg_class function.
9333 * rtl-factoring.c: Include "addresses.h".
9334 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9335 * recog.c: Include "addresses.h".
9336 (preprocess_constraints): Use new base_reg_class function.
9337 * regrename.c: Include "addresses.h".
9338 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9339 functions. Keep track of a new var INDEX_CODE to compute valid
9341 (replace_oldest_value_addr): Likewise.
9342 (replace_oldest_value_mem): Use base_reg_class.
9343 * reload.c: Include "addresses.h".
9344 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9345 (find_reloads): Use new base_reg_class function.
9346 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9347 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9348 all callers and prototype changed.
9349 * reload1.c: Include "addresses.h".
9350 (maybe_fix_stack_asms): Use base_reg_class.
9351 * regclass.c: Include "addresses.h".
9352 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9353 (init_reg_autoinc): Use new base_reg_class function.
9354 (record_reg_classes): Likewise.
9355 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9356 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9357 Use new args to compute necessary class.
9359 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9360 regrename.o, rtl-factoring.o): Update dependencies.
9361 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9362 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9363 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9364 REG_OK_FOR_INDEX_P): Delete documentation.
9366 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9368 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9369 from V7 to V9 for Solaris 7 and above.
9371 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9373 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9374 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9375 argument pointers may not alias any other storage.
9376 * common.opt: Define option -fargument-noalias-anything.
9377 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9378 alias semantics is specified by flag_argument_noalias > 2.
9380 2006-03-20 Jeff Law <law@redhat.com>
9382 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9383 (pass_phi_only_cprop): Declare.
9384 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9386 * tree-ssa-dom.c (degenerate_phi_result): New function.
9387 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9388 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9389 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9390 (eliminate_degenerate_phis): Likewise.
9391 (pass_phi_only_cprop): New pass descriptor.
9392 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9393 support code. Callers updated.
9394 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9395 (store_copy_prop): Likewise.
9396 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9398 2006-03-20 Jason Merrill <jason@redhat.com>
9401 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9402 (push_visibility, pop_visibility): Likewise.
9403 * c-pragma.h: Declare them.
9405 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9407 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9409 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9410 parameter and use get_ebb_head_tail.
9411 (sh_md_init_global): Adjust uses of find_regmode_weight.
9413 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9415 * function.h (struct function) <x_tail_recursion_reentry>:
9416 Rename to x_stack_check_probe_note.
9417 (tail_recursion_reentry): Rename to stack_check_probe_note.
9418 * function.c: Replace tail_recursion_reentry with
9419 stack_check_probe_note everywhere.
9420 (expand_function_start): Only emit a note for
9421 stack_check_probe_note with -fstack-protect.
9422 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9424 * emit-rtl.c (remove_unnecessary_notes): Remove.
9425 (pass_remove_unnecessary_notes): Remove.
9426 * rtl.h (remove_unnecessary_notes): Remove prototype.
9427 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9428 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9429 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9431 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9434 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9435 (valid_in_set): Handle ARRAY_REF.
9436 Change "if min_variant or VH" to asserts.
9437 (create_component_ref_by_pieces): Handle ARRAY_REF.
9438 (create_expression_by_pieces): Likewise.
9439 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9441 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9443 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9444 is operand of switch, not str[0].
9446 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9448 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9449 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9451 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9453 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9454 end of insn_extra_address_constraint declaration.
9456 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9458 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9459 (no-sum-in-toc): Same.
9460 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9462 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9463 NO_FP_IN_TOC for -fPIC instead of mask.
9465 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9466 (BOOT_LDFLAGS): Delete.
9468 * config/rs6000/t-aix52: Same.
9470 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9471 (stmsi[345678]_power): New.
9473 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9475 * config/ia64/ia64.opt: Add empty line to end of file.
9477 2006-03-17 Richard Guenther <rguenther@suse.de>
9480 * builtins.c (get_pointer_alignment): For component style references
9481 adjust alignment to the component type alignment. Make sure
9482 to adjust alignment for component access of constants.
9484 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9486 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9489 2006-03-17 Paul Brook <paul@codesourcery.com>
9491 * doc/install.texi: Docuemnt --with-mode.
9492 * config.gcc: Add --with-mode for arm*-*-*.
9493 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9495 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9497 * sh.c (max_labelno_before_reorg): New variable.
9498 (sh_reorg): Initialize it.
9499 (find_barrier): Check max_labelno_before_reorg before using
9500 label_to_alignment. Take length of explicit alignment insns
9501 into account. When seeing a UNSPECV_CONST_END, return it.
9503 * sh.c (fixup_mova): Set mode of affected label to QImode.
9504 (untangle_mova): New function.
9505 (find_barrier): Use it. Check mode of label before decrementing
9507 (sh_reorg): Likewise.
9508 Set mode of all insns back to VOIDmode.
9510 * sh.c (MOVA_LABELREF): New macro.
9511 (mova_p, fixup_mova, sh_reorg): Use it.
9512 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9513 ADDR_DIFF_VEC matches mova.
9515 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9517 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9518 with ATTRIBUTE_UNUSED.
9520 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9522 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9523 pointer, instead of assuming it is possible to derive the
9524 correct args size from a call insn.
9526 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9528 * rtl.h (CONST_INT_P): Define.
9529 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9530 instead of GET_CODE(x) == CONST_INT.
9531 (vax_rtx_costs): Likewise.
9532 (vax_output_int_move): Likewise.
9533 (vax_output_int_add): Likewise.
9534 (legitimate_constant_address_p): Likewise.
9535 (index_term_p): Likewise.
9536 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9537 * config/vax/vax.md (and<mode>3): Likewise.
9538 (ashrsi3): Likewise.
9540 (movstricthi): Likewise.
9541 (movstrictqi): Likewise.
9542 (rotrsi3): Likewise.
9543 (five unnamed insns): Likewise.
9545 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9547 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9548 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9549 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9550 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9551 Pass to ASM_OUTPUT_DWARF_OFFSET.
9552 * dwarf2out.c (debug_frame_section): New.
9553 (output_call_frame_info): Use debug_frame_section. Pass it to
9554 dw2_asm_output_offset.
9555 (output_die): Pass appropriate section to dw2_asm_output_offset.
9556 (output_compilation_unit_header): Likewise.
9557 (output_pubnames): Likewise.
9558 (output_aranges): Likewise.
9559 (enum dw_val_class): Break dw_val_class_lbl_offset into
9560 dw_val_class_lineptr and dw_val_class_macptr.
9561 (add_AT_lbl_offset): Delete.
9562 (add_AT_lineptr): New.
9563 (add_AT_macptr): New.
9564 (AT_lbl): Expect a lineptr or macptr.
9565 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9566 (attr_checksum): Likewise.
9567 (same_dw_val_p): Likewise.
9568 (size_of_die): Likewise.
9569 (value_format): Likewise.
9570 (output_die): Likewise.
9571 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9573 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9574 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9575 * config/darwin-protos.h (darwin_file_start): New.
9576 (darwin_asm_output_dwarf_offset): New.
9577 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9578 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9580 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9581 if not EH section; simplify.
9582 (darwin_file_start): New.
9583 (darwin_asm_output_dwarf_offset): New.
9584 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9586 (DEBUG_INFO_SECTION): Likewise.
9587 (DEBUG_ABBREV_SECTION): Likewise.
9588 (DEBUG_ARANGES_SECTION): Likewise.
9589 (DEBUG_MACINFO_SECTION): Likewise.
9590 (DEBUG_LINE_SECTION): Likewise.
9591 (DEBUG_LOC_SECTION): Likewise.
9592 (DEBUG_PUBNAMES_SECTION): Likewise.
9593 (DEBUG_STR_SECTION): Likewise.
9594 (DEBUG_RANGES_SECTION): Likewise.
9595 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9596 (ASM_OUTPUT_DWARF_OFFSET): New.
9598 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9600 * config.gcc (tm_defines): Always add to previous value rather
9603 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9605 * config/mips/predicates.md (splittable_const_int_operand): New,
9606 split from move_operand.
9607 (splittable_symbolic_operand): New.
9608 (move_operand): Add commentary. Use splittable_const_int_operand.
9609 Inline mips_atomic_symbolic_constant_p.
9610 * config/mips/mips.md: Add combine splitters for handling moves
9611 of splittable_const_int_operands and splittable_symbolic_operands.
9612 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9613 (mips_split_symbol): Declare.
9614 (mips_move_integer): Declare.
9615 * config/mips/mips.c (mips_split_p): Make global.
9616 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9617 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9618 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9619 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9620 (mips_offset_within_object_p): Handle block symbols.
9621 (mips_atomic_symbolic_constant_p): Delete.
9622 (mips_cannot_force_const_mem): Return false for constants that
9623 mips_legitimize_move can handle.
9624 (mips_use_blocks_for_constant_p): New function.
9625 (mips_split_symbol): Make global.
9626 (mips_move_integer): Likewise. Add a temporary register argument.
9627 (mips_legitimize_const_move): Use splittable_const_int_operand and
9628 splittable_symbolic_operand.
9629 (mips_use_anchors_for_symbol_p): New function.
9630 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9631 (mips_split_p): Declare.
9633 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9635 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9636 (mips*-*-linux*): Likewise.
9638 2006-03-16 Roger Sayle <roger@eyesopen.com>
9639 Daniel Speyer <dspeyer@wam.umd.edu>
9642 * tree-dump.c (dump_real): New function.
9643 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9644 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9645 (tree-dump.o): Add $(REAL_H) to the dependencies.
9647 2006-03-16 Roger Sayle <roger@eyesopen.com>
9650 * real.c (real_from_string): If the mantissa is zero, don't bother
9651 parsing the exponent as the result should always be zero.
9653 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9655 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9657 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9659 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9660 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9661 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9662 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9663 ia64_sched_finish_global): New static functions to implement
9664 hooks from gcc_target.sched.
9665 (spec_check_no, max_uid, pending_data_specs): New static variables.
9666 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9667 ia64_spec_check_src_p): New static functions.
9668 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9669 (TARGET_SCHED_ADJUST_COST): Removed.
9670 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9671 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9672 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9673 TARGET_SCHED_GEN_CHECK,
9674 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9675 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9676 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9677 Fixed to handle speculation checks.
9678 (rtx_needs_barrier): Fixed to handle speculative loads and
9680 (ia64_variable_issue): Added code to count speculative loads and their
9682 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9684 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9686 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9688 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9689 (ia64_reorg): Reset stops_p to NULL after it is freed.
9690 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9691 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9692 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9694 (data_speculative, control_speculative, check_load): New attributes.
9695 (mov<mode>_advanced, mov<mode>_speculative,
9696 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9697 zero_extend<mode>di2_speculative,
9698 zero_extend<mode>di2_speculative_advanced): New patterns for
9699 data and control speculative loads.
9700 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9702 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9703 New pattern for data and control speculation checks.
9704 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9705 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9706 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9707 Auxiliary definitions for the patterns.
9708 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9709 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9711 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9713 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9714 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9715 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9716 New resource constraints.
9717 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9719 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9720 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9721 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9722 msched-in-control-spec, msched-ldc, msched-control-ldc,
9723 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9724 msched-prefer-non-control-spec-insns,
9725 msched-count-spec-in-critical-path): New flags to tune speculative
9727 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9728 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9729 msched-in-control-spec, msched-ldc, msched-control-ldc,
9730 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9731 msched-prefer-non-control-spec-insns,
9732 msched-count-spec-in-critical-path): Document new flags.
9734 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9736 * target.h (struct spec_info_def): New opaque declaration.
9737 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9738 speculate_insn, needs_block_p, gen_check,
9739 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9740 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9741 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9742 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9743 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9744 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9746 (TARGET_SCHED): Use new macros.
9747 * rtl.h (copy_DEPS_LIST_list): New prototype.
9748 * sched-int.h (struct sched_info): Change signature of new_ready field,
9749 adjust all initializations. New fields: add_remove_insn,
9750 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9751 region_head_or_leaf_p.
9752 (struct spec_info_def): New structure declaration.
9753 (spec_info_t): New typedef.
9754 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9755 recovery_block, orig_pat.
9756 (glat_start, glat_end): New variables declaraions.
9757 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9759 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9760 DETACH_LIFE_INFO, USE_GLAT.
9761 (enum SPEC_SCHED_FLAGS): New enumeration.
9762 (NOTE_NOTE_BB_P): New macro.
9763 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9764 attach_life_info, debug_spec_status, check_reg_live): New functions.
9765 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9766 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9768 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9769 * ddg.c (get_block_head_tail): Adjust all uses.
9770 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9771 (sms_sched_info): Initialize new fields.
9772 (contributes_to_priority): Removed.
9773 * haifa-sched.c (params.h): New include.
9774 (get_block_head_tail): Adjust all uses.
9775 (ISSUE_POINTS): New macro.
9776 (glat_start, glat_end): New global variables.
9777 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9778 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9779 old_last_basic_block, before_recovery, current_sched_info_var,
9780 rgn_n_insns, luid): New static variables.
9781 (insn_cost1): New function. Move logic from insn_cost to here.
9782 (find_insn_reg_weight1): New function. Move logic from
9783 find_insn_reg_weight to here.
9784 (reemit_notes, move_insn, max_issue): Change signature.
9785 (move_insn1): Removed.
9786 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9787 extend_bb): New static functions to support extension of scheduler's
9789 (generate_recovery_code, process_insn_depend_be_in_spec,
9790 begin_speculative_block, add_to_speculative_block,
9791 init_before_recovery, create_recovery_block, create_check_block_twin,
9792 fix_recovery_deps): New static functions to support
9793 generation of recovery code.
9794 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9795 restore_bb_notes, move_block_after_check, move_succs): New static
9796 functions to support ebb scheduling.
9797 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9798 functions to support handling of register live information.
9799 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9800 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9801 add_jump_dependencies): New static functions.
9802 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9803 consistancy checking.
9804 (debug_spec_status): New function to call from debugger.
9805 (priority): Added code to handle speculation checks.
9806 (rank_for_schedule): Added code to distinguish speculative instructions.
9807 (schedule_insn): Added code to handle speculation checks.
9808 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9809 Fixed to handle ebbs.
9810 (move_insn): Added code to handle ebb scheduling.
9811 (max_issue): Added code to use ISSUE_POINTS of instructions.
9812 (choose_ready): Added code to choose between speculative and
9813 non-speculative instructions.
9814 (schedule_block): Added code to handle ebb scheduling and scheduling of
9815 speculative instructions.
9816 (sched_init): Initialize new variables.
9817 (sched_finish): Free new variables. Print statistics.
9818 (try_ready): Added code to handle speculative instructions.
9819 * lists.c (copy_DEPS_LIST_list): New function.
9820 * sched-deps.c (extend_dependency_caches): New function. Move logic
9821 from create_dependency_caches to here.
9822 (get_dep_weak, ds_merge): Make global.
9823 * genattr.c (main): Code to output prototype for
9824 dfa_clear_single_insn_cache.
9825 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9826 (output_dfa_clean_insn_cache_func): Code to output
9827 dfa_clear_single_insn_cache function.
9828 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9830 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9832 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9833 New static variables.
9834 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9835 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9837 (ebb_sched_info): Initialize new fields.
9838 (get_block_head_tail): Adjust all uses.
9839 (compute_jump_reg_dependencies): Fixed to use glat_start.
9840 (schedule_ebb): Code to remove unreachable last block.
9841 (schedule_ebbs): Added code to update register live information.
9842 * sched-rgn.c (region_sched_info): Initialize new fields.
9843 (get_block_head_tail): Adjust all uses.
9844 (last_was_jump): Removed. Adjust users.
9845 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9846 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9847 Implement new hooks.
9848 (check_dead_notes1): New static function.
9849 (struct region): New fields: dont_calc_deps, has_real_ebb.
9850 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9851 (BB_TO_BLOCK): Fixed to handle EBBs.
9852 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9853 (ebb_head): New static variable.
9854 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9855 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9857 (compute_dom_prob_ps): New assertion.
9858 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9859 global_live_at_start.
9860 (init_ready_list): New assertions.
9861 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9862 (new_ready): Add support for BEGIN_CONTROL speculation.
9863 (schedule_insns): Fixed code that updates register live information
9865 (schedule_region): Fixed to handle EBBs.
9866 (init_regions): Use extend_regions and check_dead_notes1.
9867 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9868 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9869 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9870 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9871 TARGET_SCHED_GEN_CHECK,
9872 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9873 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9874 * doc/invoke.texi (max-sched-insn-conflict-delay,
9875 sched-spec-prob-cutoff): Document.
9877 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9879 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9880 inter_tick, queue_index.
9881 (struct sched_info): Change signature of init_ready_list field.
9882 Adjust all initializations.
9883 (RESOLVED_DEPS): New access macro.
9884 (ready_add): Remove prototype.
9885 (try_ready): Add prototype.
9886 * sched-rgn.c (init_ready_list): Use try_ready.
9887 (schedule_region): Initialize
9888 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9889 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9890 (init_ready_list): Use try_ready.
9891 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9892 * lists.c (remove_list_elem): Remove `static'.
9893 (remove_free_INSN_LIST_elem): New function.
9894 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9895 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9896 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9898 (readyp): New variable.
9899 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9900 change_queue_index, resolve_dep): New static functions.
9901 (try_ready): New function. Adjust callers in sched-rgn.c and
9902 sched-ebb.c to use it instead of ready_add.
9903 (clock_var): Move at the begining of file.
9904 (rank_for_schedule): Fix typo.
9905 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9906 (ready_lastpos): Enforce assertion.
9907 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9909 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9910 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9911 (queue_to_ready): Use free_INSN_LIST_list.
9912 (early_queue_to_ready): Fix typo.
9913 (schedule_block): Init readyp. Move init_ready_list call after the
9914 initialization of clock_var. Fix error in rejecting insn by
9915 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9916 that previously corrected INSN_TICKs. Add code for handling
9918 (set_priorities): Fix typo.
9919 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9920 Clarify comment and code that keeps current_sched_info->next_tail
9923 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9925 * sched-rgn.c (extend_rgns): New static function.
9926 (find_rgns): Use it.
9927 (gather_region_statistics, print_region_statistics): New static
9929 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9930 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9932 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9933 Andrey Belevantsev <abel@ispras.ru>
9935 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9936 * lists.c (unused_deps_list): New variable.
9937 (free_list): Add assertions to verify the proper distinguishing
9938 between INSN_LISTs and DEPS_LISTs.
9939 (find_list_elem, remove_list_elem, remove_list_node): New static
9941 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9942 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9943 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9944 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9946 (free_INSN_LIST_node): Likewise.
9947 * modulo-sched.c (current_sched_info): Initialize flags field.
9948 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9949 * rtl.def (DEPS_LIST): Define.
9950 * rtl.h: Declare new functions from lists.c.
9951 * sched-deps.c (spec_dependency_cache): New static variable.
9952 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9953 (add_dependence): Change return type to void. Move the logic to ...
9954 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9955 (delete_all_dependences): Add comment about forward_dependency_cache.
9956 Handle spec_dependency_cache. Handle DEPS_LISTs.
9957 (fixup_sched_groups): Clarify the change of priority of output
9958 and anti dependencies.
9959 (sched_analyze_2): Adjust add_dependence calls to create data
9960 speculative dependence.
9961 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9962 Adjust all callers. Handle DEPS_LISTS.
9963 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9964 presence of speculation.
9965 (init_dependency_caches, free_dependency_caches):
9966 Handle spec_dependency_cache.
9967 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9968 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9969 New static functions.
9970 (add_or_update_back_dep, add_or_update_back_forw_dep,
9971 add_back_forw_dep, delete_back_forw_dep): New functions.
9972 * sched-int.h (ds_t, dw_t): New typedefs.
9973 (struct sched_info): Add new field flags.
9974 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9975 Prototype new sched-deps.c functions.
9976 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9977 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9978 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9979 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9980 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9981 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9983 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9985 * sched-rgn.c (current_sched_info): Initialize flags field.
9986 (schedule_insns): Initialize current_sched_info before the sched_init
9988 * sched-ebb.c (current_sched_info): Initialize flags field.
9989 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9990 Call add_or_update_back_dep instead of add_dependence.
9991 Create control speculative dependencies.
9992 (schedule_insns): Initialize current_sched_info before the sched_init
9995 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9997 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9999 (sh_fallback_frame_state): Likewise.
10001 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10003 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10004 Do switch on default_use_cxa_atexit.
10005 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10006 * config/darwin-crt3.o: New.
10007 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10008 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10009 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10011 * config/rs6000/t-darwin: Move crt2.o building to here.
10012 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10013 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10016 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10018 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10019 from '! xxx' to '!xxx' for coding-style conformance.
10020 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10021 (EXTRA_CONSTRAINT): Likewise.
10022 * config/vax/vax.md (four unnamed insns): Likewise.
10024 2006-03-15 Paul Brook <paul@codesourcery.com>
10026 * config/arm/arm.c (minipool_pad): New.
10027 (add_minipool_forward_ref): Include pool alignment padding in address
10029 (push_minipool_fix): Set minipool_pad.
10030 (minipool_pad): Ditto.
10032 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10034 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10035 instead of GET_CODE() == MEM and REG_P() instead of
10037 (print_operand_address): Likewise.
10038 (vax_address_cost): Likewise.
10039 (vax_rtx_costs): Likewise.
10040 (vax_notice_update_cc): Likewise.
10041 (vax_output_int_add): Likewise.
10042 (INDEX_REGISTER_P): Likewise.
10043 (BASE_REGISTER_P): Likewise.
10044 (nonindexed_address_p): Likewise.
10045 (vax_mode_dependent_address_p): Likewise.
10046 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10047 (PRINT_OPERAND): Likewise.
10048 * config/vax/vax.md (ashlsi3): Likewise.
10049 (ashlsi3): Likewise.
10050 (some more unnamed insns): Likewise.
10052 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10054 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10055 iterator-style macro.
10056 (mark_control_dependent_edges_necessary): Update the use of
10057 EXECUTE_IF_CONTROL_DEPENDENT.
10059 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10061 * config/sh/predicates.md (cache_address_operand): Special.
10062 (ua_address_operand): Likewise.
10064 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10066 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10068 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10070 2006-03-15 Andreas Schwab <schwab@suse.de>
10072 * gensupport.c (identify_predicable_attribute): Don't free p_false
10073 when it is still in use.
10075 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10077 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10078 the default setting here.
10080 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10082 * tree-pass.h (pass_cfg): Remove.
10083 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10084 * passes.c (pass_cfg): Don't run it.
10086 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10088 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10089 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10091 (stack_regs_mentioned): Update the uses of
10092 stack_regs_mentioned_data. Don't access the array beyond its
10094 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10095 Don't include gt-reg-stack.h.
10097 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10098 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10100 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10102 PR middle-end/26684
10103 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10106 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10108 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10110 2006-03-14 Richard Guenther <rguenther@suse.de>
10112 PR tree-optimization/26672
10113 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10116 2006-03-14 Richard Guenther <rguenther@suse.de>
10118 PR tree-optimization/26667
10119 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10120 node for the callees. Always allow inlining if it will shrink
10123 2006-03-14 Richard Guenther <rguenther@suse.de>
10125 PR middle-end/26659
10126 * builtins.c (get_pointer_alignment): Prefer alignment
10127 information from decls over that from types.
10129 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10132 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10134 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10136 * config/rs6000/rs6000.opt (mdlmzb): New option.
10137 (msched-prolog, msched-epilog): Use Var not Mask.
10138 * doc/invoke.texi (-mdlmzb): Document.
10139 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10141 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10142 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10144 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10146 PR rtl-optimization/25739
10147 * bt-load.c (augment_live_range): Free tos pointer.
10149 * gensupport.c (identify_predicable_attribute): Free
10151 * gcov.c (create_file_names): Free name pointer.
10153 2006-03-13 Roger Sayle <roger@eyesopen.com>
10155 PR middle-end/26557
10156 * stmt.c (emit_case_nodes): Handle the case where the index is a
10157 CONST_INT, where the comparison mode is specified by the index type.
10159 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10161 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10164 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10166 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10167 (*branch_fp_inverted): Likewise.
10169 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10171 PR middle-end/25989
10172 * omp-low.c (expand_omp_for_generic): Mark istart0
10173 and iend0 as addressable.
10175 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10177 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10179 2006-03-13 Jeff Law <law@redhat.com>
10181 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10182 virtual operands are interesting.
10183 (vrp_visit_stmt): Corresponding changes.
10185 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10187 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10189 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10190 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10191 * config/bfin/crti.S: Use it instead of __PIC__.
10192 * config/bfin/crtn.S: Likewise.
10194 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10195 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10197 Lose 'G' modifier for call operand.
10198 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10199 recognize 'G' modifier.
10201 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10203 PR middle-end/18859
10204 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10205 * stmt.c (expand_case): Likewise.
10207 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10209 PR rtl-optimization/26254
10210 * loop-invariant.c (seq_insns_valid_p): New function.
10211 (move_invariant_reg): Only emit new code if it is valid.
10213 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10215 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10217 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10218 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10219 (commit_one_edge_insertion): Do not look for loop notes.
10221 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10223 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10224 flag_test_coverage out of loop.
10226 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10228 * final.c (shorten_branches): Remove outdated comment, and turn
10229 the if branch that guards it to continue.
10231 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10233 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10234 * cfgloop.h (struct loop): Remove unused fields.
10236 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10238 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10239 (-dL, -fdump-rtl-loop2): Update the dump file names
10241 * doc/invoke.texi: Update dump file names.
10243 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10245 * predict.c (estimate_probability): Remove.
10246 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10247 * basic-block.h (estimate_probability): Remove prototype.
10248 * passes.c (finish_optimization_passes): Dump branch prediction or
10249 profiling heuristics to the .profile tree dump.
10250 (init_optimization_passes): Unqueue pass_branch_prob.
10252 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10254 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10256 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10257 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10259 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10261 * function.h (frame_offset_overflow): Declare.
10262 * function.c (frame_offset_overflow): New function.
10263 (assign_stack_local_1): Call it to detect that the offset overflows.
10264 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10266 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10268 * config/sh/sh.c: Include alloc-pool.h.
10269 (label_ref_list_pool): New alloc pool.
10270 (label_ref_list_t): New type for lists of labels.
10271 (struct pool_node): Make wend a label_ref_list_t.
10272 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10274 (dump_table): Likewise.
10275 (sh_reorg): Set up the alloc pool before using add_constant and
10276 dump_table, and destroy it when finishing.
10278 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10280 * config/mips/mips.c: Remove redundant comment.
10282 2006-03-10 Jason Merrill <jason@redhat.com>
10285 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10286 the target was declared 'register'.
10288 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10290 * genpreds.c (write_insn_constraint_len): Change definition of
10291 insn_constraint_len to return size_t to match the declaration.
10293 2006-03-10 DJ Delorie <dj@redhat.com>
10295 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10297 (m32c_expand_insv): Fix test for an AND mask.
10299 2006-03-10 Richard Guenther <rguenther@suse.de>
10301 PR middle-end/26565
10302 * builtins.c (get_pointer_alignment): Handle component
10303 references for field alignment.
10305 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10307 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10308 when building with libgloss.
10309 (sh*elf): Implement --without-fp option.
10310 (sh64-superh-linux*): Don't multilib.
10312 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10314 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10316 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10318 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10319 Set it when one of the replacement functions returned true.
10320 Return TODO_cleanup_cfg if cfgchanged is true.
10321 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10323 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10325 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10326 instead of gen_lowpart.
10328 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10330 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10332 (mips_output_order_conditional_branch): Declare.
10333 * config/mips/mips.h (MIPS_BRANCH): New macro.
10334 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10335 for the comparison. Use gen_condjump.
10336 (mips_output_conditional_branch): Rework interface to take the
10337 asm templates for a direct branch and the inverse of a direct branch.
10338 (mips_output_order_conditional_branch): New function.
10339 (mips_builtin_branch_and_move): New function.
10340 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10341 branch condition. Use gen_single_cc as the condition for
10342 __builtin_mips_upper_* or __builtin_mips_lower_*.
10343 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10344 Use VOIDmode for the branch condition.
10345 * config/mips/predicates.md (order_operator): New predicate.
10346 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10347 (branch_fp): Rename to...
10348 (*branch_fp): ...this. Remove mode from comparison operator.
10349 Use new mips_output_conditional_branch interface.
10350 (branch_fp_inverted): Rename to...
10351 (*branch_fp_inverted): ...this and update as for *branch_fp.
10352 (*branch_zero<mode>): Rename to...
10353 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10354 Use mips_output_order_conditional_branch. Only accept ordered
10356 (*branch_zero<mode>_inverted): Rename to...
10357 (*branch_order<mode>_inverted): ...this and update as for
10358 *branch_order<mode>.
10359 (*branch_equality<mode>): Accept zero as the second operand to
10360 the equality operator. Use the new mips_output_conditional_branch
10362 (*branch_equality<mode>_inverted): Likewise.
10363 (condjump): New expander.
10364 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10366 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10367 (bc1any2t, bc1any2f): Likewise.
10368 (single_cc): New expander.
10369 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10371 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10373 * doc/md.texi: Update documentation of MIPS constraints.
10374 * config/mips/constraints.md: New file.
10375 * config/mips/mips.md: Include it.
10376 * config/mips/mips.c (mips_char_to_class): Delete.
10377 (override_options): Don't initialize mips_char_to_class.
10378 * config/mips/mips.h (mips_char_to_class): Delete.
10379 (REG_CLASS_FROM_LETTER): Delete.
10380 (CONST_OK_FOR_LETTER_P): Delete.
10381 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10382 (EXTRA_CONSTRAINT_Y): Delete.
10383 (EXTRA_CONSTRAINT_STR): Delete.
10384 (CONSTRAINT_LEN): Delete.
10385 (EXTRA_MEMORY_CONSTRAINT): Delete.
10387 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10389 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10390 original fn's eh regions.
10392 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10394 * fold-const.c (build_range_check): Make sure to use a valid type to
10395 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10398 (range_predecessor): New static function.
10399 (range_successor): Likewise.
10400 (merge_ranges): Use them to compute predecessors and successors of
10403 2006-03-09 Roger Sayle <roger@eyesopen.com>
10405 PR middle-end/26561
10406 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10407 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10409 2006-03-08 DJ Delorie <dj@redhat.com>
10411 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10412 (addpsi3): Expand to include memory operands. Remove
10413 reload-specific splits.
10414 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10415 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10416 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10417 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10418 (shift1_qi, shift1_hi, insv): New.
10419 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10420 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10421 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10423 * config/m32c/m32c-protos.h: Update as needed.
10424 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10425 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10426 Fail for unrecognized R* constraints.
10427 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10428 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10429 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10431 (m32c_init_libfuncs): New.
10432 (m32c_legitimate_address_p): Add debug wrapper.
10433 (m32c_rtx_costs): New.
10434 (m32c_address_cost): New.
10435 (conversions): Add 'B' prefix.
10436 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10437 operands, or word regnames for QI operands. 'B' prints bit
10439 (m32c_expand_setmemhi): New.
10440 (m32c_expand_movmemhi): New.
10441 (m32c_expand_movstr): New.
10442 (m32c_expand_cmpstr): New.
10443 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10444 (m32c_expand_neg_mulpsi3): Handle non-ints.
10445 (m32c_cmp_flg_0): New.
10446 (m32c_expand_movcc): New.
10447 (m32c_expand_insv): New.
10448 (m32c_scc_pattern): New.
10449 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10450 a0/a1 out of SIregs.
10451 (STORE_FLAG_VALUE): New.
10452 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10455 * config/m32c/mov.md: Make constraints more liberal.
10456 (zero_extendqihi2): Optimize r0/r1 case.
10457 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10458 * config/m32c/predicates.md (m32c_any_operand): New.
10459 (m32c_nonimmediate_operand): New.
10460 (m32c_hl_operand): New.
10461 (m32c_r3_operand): New.
10464 (memsym_operand): New.
10465 (memimmed_operand): New.
10466 (a_qi_operand): New.
10467 (m32c_eqne_operator): New.
10468 (m32c_1bit8_operand): New.
10469 (m32c_1bit16_operand): New.
10470 (m32c_1mask8_operand): New.
10471 (m32c_1mask16_operand): New.
10472 * config/m32c/blkmov.md: New file.
10473 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10475 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10477 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10478 unsigned to fix signed/unsigned comparison issue in
10479 DWARF2_FRAME_REG_OUT.
10480 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10481 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10483 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10484 of ptr into the ENABLE_CHECKING section.
10486 2006-03-08 Jeff Law <law@redhat.com>
10488 * tree-vrp.c (infer_value_range): Only count pointer uses
10489 and dereferences if -fdelete-null-pointer-checks is enabled.
10491 * tree-vrp.c (find_assert_locations): Infer value ranges for
10492 single use pointers, but do not create ASSERT_EXPRs for them.
10493 When a non-null range is inferred for a pointer, backwards
10494 propagate that range to other equivalent pointers through the
10497 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10500 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10501 language hook targets.
10502 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10503 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10504 if language hook targets were missing.
10506 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10508 * tree-ssa-opfinalize.h: Removed.
10509 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10511 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10512 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10513 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10514 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10515 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10516 finalize_ssa_v_must_def_ops): New.
10518 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10520 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10521 block as parameter.
10523 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10525 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10527 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10528 addresses with offsets; reorganize.
10530 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10531 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10532 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10534 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10537 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10539 2006-03-08 Ben Elliston <bje@au.ibm.com>
10541 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10543 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10546 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10549 2006-03-07 Richard Guenther <rguenther@suse.de>
10551 PR tree-optimization/26587
10552 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10554 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10556 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10558 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10560 * hooks.c (hook_bool_mode_rtx_true): New function.
10561 * hooks.h (hook_bool_mode_rtx_true): Declare.
10562 * toplev.c (compile_file): Call output_shared_constant_pool.
10563 * varasm.c (shared_constant_pool): New variable.
10564 (assemble_start_function, assemble_end_function): Remove arguments
10565 from call to output_constant_pool.
10566 (create_constant_pool): New function, split out from...
10567 (init_varasm_status): ...here.
10568 (force_const_mem): Choose between the shared and per-function constant
10569 pools. Set current_function_uses_const_pool when reusing old entries
10570 as well as when creating new ones.
10571 (mark_constant): Ignore data argument.
10572 (mark_constants): Remove pool argument.
10573 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10574 to decide whether the function uses a constant pool.
10575 (output_constant_pool_contents): New function, split out from...
10576 (output_constant_pool): ...here.
10577 (output_shared_constant_pool): New function.
10578 (init_varasm_once): Initialize shared_constant_pool.
10579 * output.h (output_constant_pool): Delete.
10580 (output_shared_constant_pool): Declare.
10581 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10582 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10584 2006-03-06 Nick Clifton <nickc@redhat.com>
10586 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10587 flag_strength_reduce.
10589 2006-03-06 Ben Elliston <bje@au.ibm.com>
10591 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10592 x86_64-*-linux* configurations.
10594 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10595 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10597 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10599 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10601 * basic-block.h: Remove the extern for
10602 rediscover_loops_after_threading.
10604 * cfgloop.c (cancel_loop): Make it static.
10605 * cfgloop.h: Remove the prototype for cancel_loop.
10607 * flow.c (recompute_reg_usage): Make it static.
10608 * rtl.h: Remove the prototype for recompute_reg_usage.
10610 * function.c (use_return_register): Make it static.
10611 * function.h: Remove the prototype.
10613 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10615 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10617 * recog.h: Remove the prototype for
10618 validate_change_maybe_volatile.
10620 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10622 * rtlanal.c (replace_reg): Remove.
10623 * rtl.h: Remove the prototype for replace_reg.
10625 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10627 * regclass.c (reg_scan_update): Remove.
10628 (reg_scan_mark_refs): Remove the last argument.
10629 * rtl.h: Remove the prototype for reg_scan_update.
10631 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10633 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10634 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10635 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10636 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10637 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10638 loop-invariant.c, omp-low.c, opts.c, passes.c,
10639 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10640 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10641 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10642 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10643 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10644 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10646 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10648 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10649 * dwarf2out.h: Remove the prototype for
10650 dwarf2out_add_library_unit_info.
10652 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10654 * tree.c (add_var_to_bind_expr): Remove.
10655 * tree.h: Remove the prototype for add_var_to_bind_expr.
10657 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10659 * regclass.c (n_non_fixed_regs): Remove.
10660 (init_reg_sets_1, globalize_reg): Remove all uses of
10662 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10664 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10666 * rtlanal.c (insns_safe_to_move_p): Remove.
10667 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10669 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10671 * expmed.c (expand_mult_add): Remove.
10672 * expr.h: Remove the prototype for expand_mult_add.
10674 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10676 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10677 and REG_SAVED_VAL_EXP constants.
10678 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10679 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10680 Handle regs stored by value.
10681 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10682 (execute_cfa_program): Handle DW_CFA_val_offset,
10683 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10684 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10685 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10686 (uw_install_context_1): Handle target regs stored by value.
10688 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10690 * tree-sra.c (tree_sra): Return todoflags;
10691 (generate_one_element): Set TODO_update_smt_usage if needed.
10692 (pass_sra): Remove TODO_update_smt_usage.
10693 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10695 (tree_ssa_forward_propagate_single_use_vars): Return
10696 TODO_update_smt_usage if we need to update SMT usage.
10697 (pass_forwprop): Remove TODO_update_smt_usage.
10699 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10701 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10702 (correct_use_link): Remove reference to get_stmt_operands.
10703 (update_stmt_operands): Likewise.
10704 (get_modify_expr_operands): New function factored out of
10705 parse_ssa_operands and get_expr_operands.
10706 Try to create V_MUST_DEFs for LHS by default.
10707 (get_expr_operands) <case MODIFY_EXPR>: Call
10708 get_modify_expr_operands.
10709 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10710 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10711 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10712 get_modify_expr_operands.
10714 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10716 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10717 * tree-flow.h: Remove the prototype for
10718 referenced_var_lookup_if_exists.
10720 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10722 PR rtl-optimization/26345
10724 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10726 2006-03-03 Roger Sayle <roger@eyesopen.com>
10728 PR tree-optimization/26524
10729 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10730 fold_convert to create a constant of the appropriate type.
10732 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10734 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10735 SYMBOL_REF_IN_BLOCK_P.
10736 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10737 of SYMBOL_FLAG_IN_BLOCK.
10738 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10739 instead of SYMBOL_REF_IN_BLOCK_P.
10740 * explow.c (use_anchored_address): Likewise.
10741 * rtl.c (rtx_size): Likewise.
10742 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10743 instead of SYMBOL_FLAG_IN_BLOCK.
10744 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10745 SYMBOL_REF_IN_BLOCK_P.
10746 (assemble_variable): Likewise.
10747 (output_constant_def_contents): Likewise.
10748 (output_constant_pool): Likewise.
10749 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10750 instead of SYMBOL_FLAG_IN_BLOCK.
10751 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10752 SYMBOL_REF_IN_BLOCK_P.
10753 (SYMBOL_REF_BLOCK): Likewise.
10754 (SYMBOL_REF_OFFSET): Likewise.
10755 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10756 SYMBOL_REF_IN_BLOCK_P.
10757 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10758 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10759 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10760 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10762 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10764 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10766 2006-03-02 Roger Sayle <roger@eyesopen.com>
10768 * simplify-rtx.c (simplify_unary_operation): When simplifying
10769 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10770 that we perform the right shift in the appropriate mode, and
10771 then extend or truncate the result to requested mode.
10773 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10775 * gengtype.c (main): Handle double_int type.
10776 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10777 * double-int.c: New file.
10778 * double-int.h: New file.
10779 * system.h: Include doubleint.h.
10780 * Makefile.in (SYSTEM_H): Include double-int.h.
10781 (double-int.o): Add.
10783 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10786 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10789 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10791 * tree-vrp.c (remove_range_assertions): Do not update statements
10794 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10796 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10798 * gcse.c (rest_of_handle_gcse): Ditto.
10799 * except.c (gate_handle_eh): Ditto.
10800 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10801 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10803 2006-03-02 Eric Christopher <echristo@apple.com>
10805 * config/i386/i386.c (machopic_output_stub): Add indirection to
10808 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10812 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10814 Sun Niagara specific optimizations.
10815 * config.gcc: Recognize niagara as target.
10816 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10817 (TARGET_CPU_niagara): Define.
10818 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10819 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10820 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10821 (ASM_CPU_SPEC): Likewise.
10822 (PROCESSOR_NIAGARA): New enum entry.
10823 (REGISTER_MOVE_COST): Handle Niagara.
10824 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10825 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10826 (sparc_override_options): Recognize "niagara", set appropriate
10827 default MASK_* values for it, and align functions to 32-bytes
10828 by default just like ULTRASPARC/ULTRASPARC3.
10829 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10830 (sparc64_initialize_trampoline): Likewise.
10831 (sparc_use_sched_lookahead): Use zero for niagara.
10832 (sparc_issue_rate): Use one for niagara.
10833 * config/sparc/niagara.md: New file.
10834 * config/sparc/sparc.md: Include it.
10835 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10836 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10837 when default cpu is niagara.
10838 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10839 (ASM_CPU_SPEC): Likewise.
10840 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10841 when default cpu is niagara.
10842 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10843 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10844 just like v9/ultrasparc/ultrasparc3.
10845 * doc/invoke.texi: Add documentation for "niagara" and improve
10846 existing documentation for ultrasparc variants.
10848 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10850 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10852 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10854 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10855 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10856 and say that only one is needed.
10857 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10858 * target.h (have_switchable_bss_sections): New hook.
10859 * explow.c (use_anchored_address): Check that the symbol is in a block.
10860 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10861 (bss_noswitch_section): New variables.
10862 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10863 (get_noswitch_section): New function.
10864 (get_block_for_section): Allow SECT to be null.
10865 (unlikely_text_section_p): Use SECTION_STYLE.
10866 (bss_initializer_p): New function.
10867 (get_variable_section): Move earlier in file. Take a new argument,
10868 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10869 Return one of the new *_sections in such cases.
10870 (get_block_for_decl): New function, extracting some logic from
10871 use_blocks_for_decl_p.
10872 (change_symbol_section): Remove in favor of...
10873 (change_symbol_block): ...this new function.
10874 (use_blocks_for_decl_p): Remove checks now performed by
10875 get_block_for_decl.
10876 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10877 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10878 (emit_local, emit_bss, emit_common): ...these new functions.
10879 Return true if the alignment was honored.
10880 (emit_tls_common): New function.
10881 (asm_emit_uninitialised): Delete.
10882 (assemble_variable_noswitch): New function, split out from...
10883 (assemble_variable): ...here. Don't make decisions about common
10884 variables here. Globalize all public decls that go into non-common
10885 sections. Check whether SYMBOL_REF_BLOCK is null.
10886 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10887 (output_constant_pool): Likewise.
10888 (init_varasm_once): Initialize the new section variables.
10889 (have_global_bss_p): New function.
10890 (categorize_decl_for_section): Use bss_initializer_p.
10891 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10892 (place_block_symbol): Assert that the symbol must be in a block.
10893 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10894 (TARGET_INITIALIZER): Include it.
10895 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10896 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10897 (SECTION_MACH_DEP): Bump by two.
10898 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10899 (unnamed_section): Mention SECTION_UNNAMED in comment.
10900 (named_section): Likewise SECTION_NAMED.
10901 (noswitch_section_callback): New type.
10902 (noswitch_section): New structure.
10903 (section): Add a noswitch_section alternative.
10904 (SECTION_STYLE): New macro.
10905 (tls_comm_section, comm_section, lcomm_section): Declare.
10906 (bss_noswitch_section, have_global_bss_p): Declare.
10907 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10908 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10910 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10911 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10914 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10916 * tree-vrp.c (execute_vrp): Return value.
10917 * regrename.c (rest_of_handle_regrename): Ditto.
10918 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10919 * tree-complex.c (tree_lower_complex): Ditto.
10920 (tree_lower_complex_O0): Ditto.
10921 * tracer.c (rest_of_handle_tracer): Ditto.
10922 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10923 * postreload.c (rest_of_handle_postreload): Ditto.
10924 * tree-tailcall.c (execute_tail_recursion): Ditto.
10925 (execute_tail_calls): Ditto.
10926 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10927 * tree.h (init_function_for_compilation): Ditto.
10928 * ipa-cp.c (ipcp_driver): Ditto.
10929 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10930 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10931 * final.c (compute_alignments): Ditto.
10932 (rest_of_handle_final): Ditto.
10933 (rest_of_handle_shorten_branches): Ditto.
10934 (rest_of_clean_state): Ditto.
10935 * omp-low.c (execute_expand_omp): Ditto.
10936 (execute_lower_omp): Ditto.
10937 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10938 * ipa-reference.c (static_execute): Ditto.
10939 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10940 * reorg.c (rest_of_handle_delay_slots): Ditto.
10941 (rest_of_handle_machine_reorg): Ditto.
10942 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10943 * flow.c (recompute_reg_usage): Ditto.
10944 (rest_of_handle_remove_death_notes): Ditto.
10945 (rest_of_handle_life): Ditto.
10946 (rest_of_handle_flow2): Ditto.
10947 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10948 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10949 (do_ssa_store_ccp): Ditto.
10950 (execute_fold_all_builtins): Ditto.
10951 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10952 * modulo-sched.c (rest_of_handle_sms): Ditto.
10953 * ipa-pure-const.c (static_execute): Ditto.
10954 * cse.c (rest_of_handle_cse): Ditto.
10955 (rest_of_handle_cse2): Ditto.
10956 * web.c (rest_of_handle_web): Ditto.
10957 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10958 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10959 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10960 * tree-nrv.c (tree_nrv): Ditto.
10961 (execute_return_slot_opt): Ditto.
10962 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10963 (create_structure_vars): Ditto.
10964 * loop-init.c (rtl_loop_init): Ditto.
10965 (rtl_loop_done): Ditto.
10966 (rtl_move_loop_invariants): Ditto.
10967 (rtl_unswitch): Ditto.
10968 (rtl_unroll_and_peel_loops): Ditto.
10969 (rtl_doloop): Ditto.
10970 * gimple-low.c (lower_function_body): Ditto.
10971 (mark_used_blocks): Ditto.
10972 * tree-ssa-sink.c (execute_sink_code): Ditto.
10973 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10974 (cgraph_early_inlining): Ditto.
10975 * global.c (rest_of_handle_global_alloc): Ditto.
10976 * jump.c (cleanup_barriers): Ditto.
10977 (purge_line_number_notes): Ditto.
10978 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10979 (rest_of_handle_if_after_reload): Ditto.
10980 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10981 (tree_ssa_loop_im): Ditto.
10982 (tree_ssa_loop_unswitch): Ditto.
10983 (tree_vectorize): Ditto.
10984 (tree_linear_transform): Ditto.
10985 (tree_ssa_loop_ivcanon): Ditto.
10986 (tree_ssa_empty_loop): Ditto.
10987 (tree_ssa_loop_bounds): Ditto.
10988 (tree_complete_unroll): Ditto.
10989 (tree_ssa_loop_prefetch): Ditto.
10990 (tree_ssa_loop_ivopts): Ditto.
10991 (tree_ssa_loop_done): Ditto.
10992 * predict.c (tree_estimate_probability): Ditto.
10993 * recog.c (split_all_insns_noflow): Ditto.
10994 (rest_of_handle_peephole2): Ditto.
10995 (rest_of_handle_split_all_insns): Ditto.
10996 * tree-eh.c (lower_eh_constructs): Ditto.
10997 * regmove.c (rest_of_handle_regmove): Ditto.
10998 (rest_of_handle_stack_adjustments): Ditto.
10999 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11000 * function.c (instantiate_virtual_regs): Ditto.
11001 (init_function_for_compilation): Ditto.
11002 (rest_of_handle_check_leaf_regs): Ditto.
11003 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11004 (rest_of_handle_gcse): Ditto.
11005 * ipa-type-escape.c (type_escape_execute): Ditto.
11006 * alias.c (rest_of_handle_cfg): Ditto.
11007 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11008 * profile.c (rest_of_handle_branch_prob): Ditto.
11009 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11010 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11011 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11012 * tree-dfa.c (find_referenced_vars): Ditto.
11013 * except.c (set_nothrow_function_flags): Ditto.
11014 (convert_to_eh_region_ranges): Ditto.
11015 (rest_of_handle_eh): Ditto.
11016 * emit-rtl.c (unshare_all_rtl): Ditto.
11017 (remove_unnecessary_notes): Ditto.
11018 * except.h (set_nothrow_function_flags): Ditto.
11019 (convert_to_eh_region_ranges): Ditto.
11020 * cfgexpand.c (tree_expand_cfg): Ditto.
11021 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11022 * tree-ssa-pre.c (do_pre): Ditto.
11023 (execute_fre): Ditto.
11024 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11025 (rest_of_handle_jump2): Ditto.
11026 * tree-sra.c (tree_sra): Ditto.
11027 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11028 (execute_mudflap_function_decls): Ditto.
11029 * tree-ssa-copy.c (do_copy_prop): Ditto.
11030 (do_store_copy_prop): Ditto.
11031 * ipa-prop.h (ipcp_driver): Ditto.
11032 * cfglayout.c (insn_locators_initialize): Ditto.
11033 * tree-ssa-forwprop.c
11034 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11035 * cfglayout.h (insn_locators_initialize): Ditto.
11036 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11037 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11038 (execute_late_warn_uninitialized): Ditto.
11039 * rtl.h (cleanup_barriers): Ditto.
11040 (split_all_insns_noflow): Ditto.
11041 (purge_line_number_notes): Ditto.
11042 (unshare_all_rtl): Ditto.
11043 (remove_unnecessary_notes): Ditto.
11044 (recompute_reg_usage): Ditto.
11045 (variable_tracking_main): Ditto.
11046 * integrate.c (emit_initial_value_sets): Ditto.
11047 * integrate.h (emit_initial_value_sets): Ditto.
11048 * tree-optimize.c (execute_free_datastructures): Ditto
11049 (execute_free_cfg_annotations): Ditto.
11050 (execute_fixup_cfg): Ditto.
11051 (execute_cleanup_cfg_pre_ipa): Ditto.
11052 (execute_cleanup_cfg_post_optimizing): Ditto.
11053 (execute_init_datastructures): Ditto.
11054 * tree-object-size.c (compute_object_sizes): Ditto.
11055 * combine.c (rest_of_handle_combine): Ditto.
11056 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11057 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11058 (rest_of_handle_reorder_blocks): Ditto.
11059 (rest_of_handle_partition_blocks): Ditto.
11060 * var-tracking.c (variable_tracking_main): Ditto.
11061 * tree-profile.c (tree_profiling): Ditto.
11062 * tree-vect-generic.c (expand_vector_operations): Ditto.
11063 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11064 * sched-rgn.c (rest_of_handle_sched): Ditto.
11065 (rest_of_handle_sched2): Ditto.
11066 * basic-block.h (free_bb_insn): Ditto.
11067 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11068 * tree-cfg.c (execute_build_cfg): Ditto.
11069 (remove_useless_stmts): Ditto.
11070 (split_critical_edges): Ditto.
11071 (execute_warn_function_return): Ditto.
11072 (execute_warn_function_noreturn): Ditto.
11073 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11074 * cfgrtl.c (free_bb_for_insn): Ditto.
11075 * passes.c (execute_one_pass): Run additional
11076 todos returned by execute function.
11077 * tree-pass.h (struct tree_opt_pass): Make execute
11080 2006-03-02 Richard Guenther <rguenther@suse.de>
11082 * tree-ssa-alias.c (find_used_portions): Consider taking
11083 the address as making the variable not write-only.
11085 2006-03-02 Nick Clifton <nickc@redhat.com>
11087 * config.gcc (default_use_cxa_atexit): Extend the description of
11088 this configure variable. Set its default value to "yes" for
11089 Linux, NetBSD and ELF targets on the assumption that they will
11090 use C libraries with the __cxa_atexit function.
11092 2006-03-02 Ben Elliston <bje@au.ibm.com>
11094 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11095 parameter as unused to suppress a build warning.
11097 2006-03-02 Ben Elliston <bje@au.ibm.com>
11099 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11102 2006-03-01 Roger Sayle <roger@eyesopen.com>
11105 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11106 declared name, the weak reference name, and the typeof name.
11107 (__gthrw): Avoid expanding the declared name suffix.
11108 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11110 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11112 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11114 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11115 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11116 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11117 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11118 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11119 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11120 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11121 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11122 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11123 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11124 (DW_END_default, DW_END_big, DW_END_little): New.
11125 (DW_END_lo_user, DW_END_hi_user): Define.
11126 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11127 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11128 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11131 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11133 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11135 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11137 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11139 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11141 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11142 to 'symbol_mem_tag'.
11144 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11147 2006-03-01 Roger Sayle <roger@eyesopen.com>
11149 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11151 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11154 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11155 MACHO_DYNAMIC_NO_PIC_P.
11156 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11158 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11161 * config/darwin-protos.h (darwin_asm_output_anchor):
11163 * config/darwin-sections.def (cstring_section):
11164 Add SECTION_MERGE to the flags.
11165 (literal4_section): Likewise.
11166 (literal8_section): Likewise.
11167 (objc_selector_refs_section): Likewise.
11168 (objc_cls_refs_section): Likewise.
11169 * config/darwin.c (darwin_asm_output_anchor): New
11171 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11173 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11175 Fix PR tree-optimization/26443
11176 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11177 to todo and PROP_tmt_usage to properties_destroyed.
11178 * tree-ssa-ccp.c (pass_ccp): Ditto.
11179 (pass_store_ccp): Ditto.
11180 * tree-ssa-dom.c (pass_dominator): Ditto.
11182 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11184 * tree-ssa-operands.c: Cleanup whitespace.
11185 (get_asm_expr_operands): Move before first invocation.
11186 (get_indirect_ref_operands): Likewise.
11187 (get_tmr_operands): Likewise.
11188 (get_call_expr_operands): Likewise.
11189 (append_def): Likewise.
11190 (append_use): Likewise.
11191 (append_v_may_def): Likewise.
11192 (append_v_must_def): Likewise.
11193 (add_call_clobber_ops): Likewise.
11194 (add_call_read_ops): Likewise.
11195 (add_stmt_operand): Likewise.
11196 (add_virtual_operand): Likewise.
11197 (build_ssa_operands): Likewise.
11199 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11201 PR middle-end/26022
11203 PR middle-end/24437
11204 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11205 with a call expr to ...
11206 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11208 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11210 * tree-vrp.c (extract_range_from_assert): Remove special
11211 handling for types with super-types.
11213 2006-03-01 Ben Elliston <bje@au.ibm.com>
11215 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11216 and powerpc64-*-linux* configurations.
11217 * config/t-dfprules: New file.
11219 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11220 Compile dfp-bit.c from the source directory using -DWIDTH and
11221 $DFP_CFLAGS to control the compilation of that file, rather than
11222 generating width-specific versions in the build directory.
11223 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11224 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11226 2006-02-28 Zack Weinberg <zackw@panix.com>
11228 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11231 2006-02-28 Eric Christopher <echristo@apple.com>
11233 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11234 Set up IN_LIBGCC definition of TARGET_64BIT.
11235 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11237 2006-02-28 Roger Sayle <roger@eyesopen.com>
11239 PR middle-end/14752
11240 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11241 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11242 cases via the construction of "expr != 0".
11244 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11246 * alias.c (alias_invariant, alias_invariant_size): Remove.
11247 (record_base_value): Remove.
11248 (memrefs_conflict_p): Don't look at alias_invariant.
11249 (end_alias_analysis): Don't free it.
11250 * alias.h (record_base_value): Remove prototype.
11252 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11253 Adam Nemet <anemet@caviumnetworks.com>
11255 * rtl.h (truncated_to_mode): Declare it.
11256 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11257 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11258 (RTL_HOOKS_INITIALIZER): Include it.
11259 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11260 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11261 reg_truncated_to_mode.
11262 * rtlanal.c (truncated_to_mode): Define it.
11263 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11265 2006-02-28 Jeff Law <law@redhat.com>
11267 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11268 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11269 the range allowed by TYPE_PRECISION.
11271 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11273 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11275 PR tree-optimization/26419
11276 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11279 2006-02-27 Zack Weinberg <zackw@panix.com>
11281 * doc/md.texi: Fix typo in previous change.
11283 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11287 2006-02-27 Zack Weinberg <zackw@panix.com>
11289 * rtl.def (define_constraint, define_register_constraint)
11290 (define_memory_constraint, define_address_constraint): New MD forms.
11291 * gensupport.c (process_rtx): Put define_constraint etc on the
11293 * genpreds.c (process_define_predicate): Adjust comment. Validate
11294 the name, and call validate_exp to validate the expression.
11295 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11296 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11297 all callers changed.
11298 (validate_exp, needs_variable, struct constraint_data)
11299 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11300 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11301 (const_dbl_constraints, constraint_max_namelen)
11302 (have_register_constraints, have_memory_constraints)
11303 (have_address_constraints, have_address_constraints)
11304 (have_extra_constraints, have_const_int_constraints)
11305 (have_const_dbl_constraints, mangle, add_constraint)
11306 (process_define_constraint, process_define_register_constraint)
11307 (write_enum_constraint_num, write_lookup_constraint)
11308 (write_insn_constraint_len, write_regclass_for_constraint)
11309 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11310 (write_insn_extra_memory_constraint)
11311 (write_insn_extra_address_constraint)
11312 (write_satisfies_constraint_fns): New.
11313 (write_tm_preds_h): If we have new-style constraint definitions,
11314 prototype the functions generated from them, and define the
11315 old constraint interface (still used by generic code) in terms of
11317 (write_insn_preds_c): If we have new-style constraint definitions,
11318 generate all relevant functions from those definitions.
11319 (main): Handle define_constraint etc.
11320 * genoutput.c (struct constraint_data, indep_constraints)
11321 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11322 (mdep_constraint_len): New data structures and functions, defined
11323 #ifdef USE_MD_CONSTRAINTS.
11324 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11325 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11326 use new logic to validate operand constraints against constraint
11328 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11330 * defaults.h: If none of the old-style constraint macros are
11331 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11332 old-style macros; and poison REG_CLASS_FROM_LETTER,
11333 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11335 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11336 * doc/md.texi: Document new constraint-definition mechanism and the
11337 C interface it provides. Remove references to old mechanism
11338 elsewhere in the document.
11339 (Machine Constraints): Use pathnames relative to gcc directory,
11340 i.e. config/ARCH/FILE. Change i386 section to refer to
11341 config/i386/predicates.md; update that section to match docstrings.
11342 * doc/tm.texi: Move all documentation of the old constraint-
11343 definition macros to their own section, clearly mark as obsolete.
11345 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11346 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11348 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11349 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11350 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11351 constraint strings.
11352 (splits and peepholes): Use satisfies_constraint_*.
11353 * config/i386/i386.c (memory_address_length)
11354 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11356 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11358 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11359 scalar operation to be put back into the loop.
11361 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11364 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11365 (extract_cie_info): Handle S flag in augmentation string.
11366 (execute_cfa_program): If context->signal_frame, execute also
11367 fs->pc == context->ra instructions.
11368 (uw_frame_state_for): If context->signal_frame, don't subtract one
11369 from context->ra to find FDE.
11370 (uw_update_context_1): Set context->signal_frame to
11372 (_Unwind_GetIPInfo): New function.
11373 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11374 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11376 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11377 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11378 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11379 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11380 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11381 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11382 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11383 x86_64_fallback_frame_state): Set fs->signal_frame.
11384 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11385 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11386 (frob_update_context): Likewise. Workaround missing S flag in
11387 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11388 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11389 Remove the psw_addr + 1 hack.
11391 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11393 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11394 with aggregates here.
11395 (find_func_aliases): Remove code for &<aggregate> from here.
11397 2006-02-26 Roger Sayle <roger@eyesopen.com>
11399 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11400 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11401 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11402 as (X & C) ne/eq 0.
11404 2006-02-26 Roger Sayle <roger@eyesopen.com>
11406 PR middle-end/19983
11407 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11409 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11411 * opts.c (decode_options): Do not handle flag_strength_reduce.
11412 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11413 and OPT_fstrength_reduce.
11414 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11415 flag_prefetch_loop_arrays for being nonzero.
11416 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11418 (fprefetch-loop-arrays-rtl): Removed.
11419 (flag_prefetch_loop_arrays): Do not specify the value.
11421 * doc/passes.texi: Update documentation of loop optimizer
11423 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11424 -frerun-loop-opt): Remove.
11426 2006-02-26 Richard Guenther <rguenther@suse.de>
11428 PR tree-optimization/26421
11429 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11430 in function calls that are ADDR_EXPRs as using the whole structure.
11432 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11434 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11435 * tree-pass.h (pass_loop_optimize): Remove.
11436 * passes.c (pass_loop_optimize): Never run it.
11437 * toplev.c (backend_init): Don't call init_loop.
11438 * opts.c (flag_loop_optimize_set): Remove.
11439 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11440 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11441 the old RTL loop optimizer when profiling enabled.
11442 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11443 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11444 pre-headers for the sake of the old RTL loop optimizer.
11445 * Makefile.in: Remove all references to loop.o.
11447 * doc/invoke.texi: Remove all references to -floop-optimize
11448 and -frerun-loop-opt.
11450 2006-02-26 Zack Weinberg <zackw@panix.com>
11452 * doc/md.texi (Machine Constraints): Refer to all files with paths
11453 relative to gcc directory (i.e. config/CPU/file). Add missing
11454 @table @code ... @end table to M32C subsection.
11456 2006-02-26 Roger Sayle <roger@eyesopen.com>
11458 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11460 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11462 2006-02-26 Roger Sayle <roger@eyesopen.com>
11463 James A. Morrison <phython@gcc.gnu.org>
11465 PR middle-end/21137
11466 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11467 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11468 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11469 signedness of the shift operation.
11471 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11473 PR tree-optimization/26359
11474 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11476 2006-02-25 Roger Sayle <roger@eyesopen.com>
11478 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11479 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11480 as X == 0, and some symmetry related transformations.
11481 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11483 2006-02-25 Roger Sayle <roger@eyesopen.com>
11485 PR middle-end/23673
11486 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11487 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11488 symmetry related transformations. Fold (X^C1) == C2 as
11491 2006-02-25 Juergen Weigert <jw@suse.de>
11492 Richard Guenther <rguenther@suse.de>
11494 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11496 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11498 * combine.c (gen_lowpart_or_truncate): Call
11499 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11501 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11503 * doc/invoke.texi: Move -fopenmp description to "Options for
11505 Remove reference to -lgomp.
11507 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11509 * doc/install.texi: Require GNU tar version 1.14.
11511 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11513 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11514 * doc/invoke.texi (C++ Dialect Options): Document
11515 -fno-use-cxa-get-exception-ptr.
11516 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11517 * configure: Regenerate.
11518 * c.opt (fuse-cxa-get-exception-ptr): New.
11519 * c-opts.c (c_common_handle_option): Handle
11520 OPT_fuse_cxa_get_exception_ptr.
11521 * c-common.c (flag_use_cxa_atexit): Update documentation.
11522 (flag_use_cxa_get_exception_ptr): New.
11523 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11524 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11526 (C_COMMON_OVERRIDE_OPTIONS): New.
11528 2006-02-24 Roger Sayle <roger@eyesopen.com>
11530 PR middle-end/24952
11531 * combine.c (try_combine): Explicitly check whether GET_CODE is
11532 a SET or a CLOBBER, instead on checking that it isn't a USE.
11534 2006-02-24 Roger Sayle <roger@eyesopen.com>
11536 * fold-const.c (fold_comparison): New subroutine of fold_binary
11537 containing transformations common to both the equality and
11538 ordering relational operators, factored out of fold_binary.
11539 (fold_binary): Separate out the equality operators (EQ_EXPR
11540 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11541 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11542 transformations common to both.
11543 (fold_div_compare): Fix latent bugs in the previously unreachable
11544 LT_EXPR and GE_EXPR cases.
11546 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11548 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11549 decl libname for clog to __clog on AIX.
11551 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11553 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11556 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11557 output traceback table for thunks. Localise rs6000_stack_info call.
11559 2006-02-23 Roger Sayle <roger@eyesopen.com>
11560 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11562 * gthr-posix.h (__gthrw): Fix typo in comment.
11564 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11566 * doc/cpp.texi (Character sets): Document that we do support
11567 input files to be in any character set.
11569 2006-02-23 Jeff Law <law@redhat.com>
11571 * tree.h (PHI_ARG_NONZERO): Remove.
11572 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11573 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11574 node to the new node.
11576 PR tree-optimization/26425
11577 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11578 min/max, then assume its varying.
11580 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11582 PR rtl-optimization/26316
11583 * rtlanal.c (enum may_trap_p_flags): New.
11584 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11585 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11586 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11587 (may_trap_after_code_motion_p): New function.
11588 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11589 (find_invariant_insn): Use may_trap_after_code_motion_p.
11590 * rtl.h (may_trap_after_code_motion_p): Declare.
11592 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11594 * emit-rtl.c (immed_double_const): Cleanup.
11596 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11598 Fix PR tree-optimization/26376
11599 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11602 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11604 PR middle-end/26412
11605 * gimplify.c (omp_add_variable): Guard variable size decl test with
11606 DECL_SIZE (decl) check.
11608 2006-02-23 Richard Guenther <rguenther@suse.de>
11610 PR middle-end/26439
11611 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11612 like aggregate types.
11614 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11616 * configure.ac: Add --with{,out}-long-double-128 configure option.
11617 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11618 * configure: Rebuilt.
11619 * config.in: Rebuilt.
11620 * doc/install.texi (Options specification): Document
11621 --with-long-double-128.
11623 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11624 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11625 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11626 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11628 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11630 * config/s390/s390.c (override_options): Handle
11631 TARGET_DEFAULT_LONG_DOUBLE_128.
11633 * config/alpha/alpha.c (override_options): Handle
11634 TARGET_DEFAULT_LONG_DOUBLE_128.
11636 * config/sparc/sparc.c (sparc_override_options): Handle
11637 TARGET_DEFAULT_LONG_DOUBLE_128.
11639 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11641 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11642 (real-install-headers-tar, real-install-headers-cpio)
11643 (real-install-headers-cp): New targets.
11645 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11647 * tree.h (variable_section): Delete.
11648 * varasm.c (variable_section): Delete.
11650 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11652 * install.texi: Add notes on install.texi2html.
11653 (Building in parallel): Do not use footnotes.
11655 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11658 * doc/install.texi (Configuration): Document --disable-libgomp.
11660 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11662 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11664 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11666 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11667 (vec_extractv2df_0_sse): New.
11669 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11671 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11672 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11673 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11674 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11675 to the result of the expression.
11676 (def_cfa_1): Adjust.
11677 (frame_pointer_cfa_offset): Rename to...
11678 (frame_pointer_fb_offset): ... this. Adjust all uses.
11679 (convert_cfa_to_loc_list): Rename to...
11680 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11681 Pass it on to build_cfa_loc.
11682 (compute_frame_pointer_to_cfa_displacement): Rename to...
11683 (compute_frame_pointer_to_fb_displacement): ... this. New
11684 offset parameter. Use it in computation.
11685 (gen_subprogram_die): Compute cfa_fb_offset with the new
11686 macro, and use it to compute the fb loc list and the
11689 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11691 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11692 replaced with register_operand.
11693 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11694 non-DREG is expensive.
11695 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11696 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11699 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11701 * doc/install.texi2html: Use set -e.
11703 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11705 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11706 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11707 * doc/invoke.texi (-fshared-data): Delete.
11708 * common.opt (fshared-data): Delete.
11709 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11710 (assemble_static_space): Remove #if 0 code.
11711 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11712 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11713 * config/cris/cris.h: Remove FIXME.
11715 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11717 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11720 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11722 PR middle-end/26379
11723 * combine.c (simplify_shift_const_1): Disable nested shifts
11724 optimization for vector shifts.
11726 2006-02-20 Roger Sayle <roger@eyesopen.com>
11728 PR tree-optimization/26361
11729 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11730 of unsigned integer types.
11732 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11734 * tree-chrec.c (eq_evolutions_p): New.
11735 * tree-chrec.h (eq_evolutions_p): Declared.
11736 * tree-data-ref.c: Fix formatting.
11737 (datadep_stats, dependence_stats): New.
11739 (print_direction_vector): New.
11740 (dump_data_dependence_relation): Use print_direction_vector.
11741 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11742 (compute_subscript_distance): Static.
11743 (initialize_data_dependence_relation): Static. Get the number
11744 of loops surrounding the references from the callers, and initialize
11745 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11746 base_object_differ_p analyzers.
11747 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11748 compute_overlap_steps_for_affine_1_2,
11749 analyze_subscript_affine_affine): Count the classified dependences.
11750 Print a message when a test failed.
11751 (can_use_analyze_subscript_affine_affine): New.
11752 (analyze_siv_subscript): Compute the data dependences on symbolic
11753 scevs that verify can_use_analyze_subscript_affine_affine.
11754 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11755 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11756 Handle symbolic scevs.
11757 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11759 (subscript_dependence_tester): Moved...
11760 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11761 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11762 DDR_SIZE_VECT instead of getting it in parameter.
11763 (subscript_dependence_tester): ... here. Take as a parameter
11764 loop_nest_depth. Call build_classic_dist_vector and
11765 build_classic_dir_vector.
11766 (compute_affine_dependence): Update subscript_dependence_tester
11767 parameters. Update datadep_stats counters. Call
11768 compute_subscript_distance.
11769 (compute_self_dependence): Save the dist and dir vectors. Call
11770 compute_subscript_distance.
11771 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11772 (compute_all_dependences): Reorder parameters as they were before
11773 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11774 compute_subscript_distance. Update the use of
11775 compute_affine_dependence and initialize_data_dependence_relation.
11776 (find_data_references_in_loop): Handle COMPONENT_REF.
11777 (compute_data_dependences_for_loop): Initialize dependence_stats.
11778 Don't call build_classic_dist_vector and build_classic_dir_vector.
11779 Update the parameters of initialize_data_dependence_relation and
11780 compute_all_dependences. Print the statistics from datadep_stats.
11781 (analyze_all_data_dependences): Static. Not used until the pass for
11782 checking the data dependences is contributed.
11783 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11784 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11785 (initialize_data_dependence_relation, compute_affine_dependence,
11786 analyze_all_data_dependences, compute_subscript_distance): Removed.
11787 (print_direction_vector): New.
11788 * lambda.h (gcd): ... here.
11789 (lambda_vector_gcd): Moved here from gcd_vector.
11790 * lambda-code.c (gcd, gcd_vector): Removed.
11791 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11792 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11794 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11796 * ipa-type-escape.c: Tidy some comments and white space.
11797 * tree-ssa-operands.c: Likewise.
11799 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11802 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11803 (dump_decl_name): Do not walk the decl tree chains.
11804 * tree-pass.h (TDF_CHAIN): Remove.
11806 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11808 * Makefile.in (C): Remove
11810 (.PHONY): Remove C and PROTO
11812 2006-02-20 Roger Sayle <roger@eyesopen.com>
11814 PR middle-end/26236
11815 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11816 deprecated CHAR_TYPE tree code.
11818 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11820 * configure.ac (target_list): Add install-info, dvi, html.
11821 * configure: Regenerate.
11823 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11824 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11825 treelang/Make-lang.in: Do not use double-colon rules.
11827 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11829 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11830 (TMT_USED_ALONE): New macro.
11831 * tree-pass.h (PROP_tmt_usage): New property.
11832 (TODO_update_tmt_usage): New todo.
11833 * tree-ssa-alias.c (updating_used_alone): New variable.
11834 (recalculate_used_alone): New function.
11835 (compute_may_aliases): Set updating_used_alone, call
11836 recalculate_used_alone.
11837 * tree-sra.c (pass_sra): Note that this pass destroys
11838 PROP_tmt_usage, and add TODO_update_tmt_usage.
11839 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11840 * tree-flow.h (updating_used_alone): Prototype.
11841 (recalculate_used_alone): Ditto.
11842 * passes.c (execute_todo): Add code to set updating_used_alone,
11843 and call recalculate.
11844 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11845 for clobber if used alone, and add assert to verify used_alone
11848 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11850 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11851 for non tls symbols added.
11852 (legitimize_address): Do nothing for PLUS expressions if one of the
11853 addends is a tls symbol reference.
11855 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11859 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11861 * Makefile.in (BOOTSTRAPPING): New.
11862 (quickstrap): New definition if BOOTSTRAPPING=yes.
11864 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11865 * configure.ac: Substitute all_selected_languages with the languages
11866 that were configured. For all the other variables except
11867 lang_specs_files, include all the languages in the tree.
11868 * configure: Regenerate.
11870 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11871 if there is one. Run the commands to run fixincludes in the same
11874 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11875 * doc/install.texi: Document exact conventions for searching target tools.
11876 Document --with-build-time-tools. Document toplevel bootstrap. Document
11877 something more about building an Ada cross-compiler. Don't list GNU Make
11878 requirements which affect all platforms.
11880 2006-02-19 Roger Sayle <roger@eyesopen.com>
11882 PR middle-end/19543
11883 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11884 only equivalent if the have both the same mode and precision.
11886 2006-02-20 Ben Elliston <bje@au.ibm.com>
11888 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11890 2006-02-19 Roger Sayle <roger@eyesopen.com>
11891 Steven Bosscher <stevenb.gcc@gmail.com>
11893 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11894 constant pool references to identify stack mode constants.
11895 * rtlanal.c (constant_pool_constant_p): New predicate to check
11896 whether operand is a floating point constant in the pool.
11897 * rtl.h (constant_pool_constant_p): Prototype here.
11898 * loop.c (scan_loop): Avoid hoisting constants from the constant
11899 pool on STACK_REGS targets.
11900 (load_mems): Likewise.
11901 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11902 loads into x87 registers expensive in terms of register pressure.
11904 2006-02-19 Roger Sayle <roger@eyesopen.com>
11906 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11907 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11909 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11911 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11912 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11914 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11916 * doc/invoke.texi: Document -fipa-pta.
11917 * common.opt: Add ipa-pta option.
11918 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11919 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11920 (do_ds_constraint): Ditto.
11921 (get_constraint_for): Only add to referenced_vars if
11922 referenced_vars exists.
11923 (insert_into_field_list): Rewrite to do this unsorted.
11924 (insert_into_field_list_sorted): Rename old insert_into_field_list
11926 (create_function_info_for): Use insert_into_field_list_sorted.
11927 (create_variable_info_for): Rewrite so it uses unsorted version,
11928 since the field list is sorted.
11929 (intra_create_variable_infos): Only add to referenced_vars if
11930 referenced_vars exists.
11931 (ipa_pta_execute): Init heapvars, and delete when done.
11932 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11934 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11936 * doc/install.texi: Add missing `@samp'.
11938 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11940 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11943 2006-02-18 Mark Wielaard <mark@klomp.org>
11945 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11946 who added new 4.1 features, bug fixes and integration support.
11948 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11951 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11952 MEM for ABI_V4 pic.
11954 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11956 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11957 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11958 (copy_insn_1): Likewise. Don't copy each field individually.
11960 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11962 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11963 * rtl.c (rtx_size): Rename variable to...
11964 (rtx_code_size): ...this.
11965 (rtx_size): New function.
11966 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11967 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11969 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11970 * rtl.h (rtx_code_size): New variable.
11971 (rtx_size): Change from a variable to a function.
11972 (RTX_SIZE): Rename to...
11973 (RTX_CODE_SIZE): ...this.
11976 PR tree-optimization/17106
11977 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11978 (Anchored Addresses): New section.
11979 * doc/invoke.texi (-fsection-anchors): Document.
11980 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11981 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11982 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11983 * hooks.c (hook_bool_mode_rtx_false): New function.
11984 * hooks.h (hook_bool_mode_rtx_false): Declare.
11985 * gengtype.c (create_optional_field): New function.
11986 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11987 SYMBOL_REF_IN_BLOCK_P is true.
11988 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11989 (min_anchor_offset, max_anchor_offset): Likewise.
11990 (use_anchors_for_symbol_p): New hook.
11991 * toplev.c (compile_file): Call output_object_blocks.
11992 (target_supports_section_anchors_p): New function.
11993 (process_options): Check that -fsection-anchors is only used on
11994 targets that support it and when -funit-at-a-time is in effect.
11995 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11996 if the decl doesn't have one.
11997 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11998 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11999 of force_const_mem through use_anchored_address.
12000 (expand_expr_constant): New function.
12001 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12002 calling expand_expr for INDIRECT_REF.
12003 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12004 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12005 * expr.h (use_anchored_address): Declare.
12006 * loop-unroll.c: Don't declare rtx vectors here.
12007 * explow.c: Include output.h.
12008 (validize_mem): Call use_anchored_address.
12009 (use_anchored_address): New function.
12010 * common.opt (-fsection-anchors): New switch.
12011 * varasm.c (object_block_htab, anchor_labelno): New variables.
12012 (hash_section, object_block_entry_eq, object_block_entry_hash)
12013 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12014 (use_blocks_for_decl_p, change_symbol_section): New functions.
12015 (get_variable_section): New function, split out from assemble_variable.
12016 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12017 use_blocks_for_decl_p say so. Use change_symbol_section if the
12018 symbol has already been created.
12019 (assemble_variable_contents): New function, split out from...
12020 (assemble_variable): ...here. Don't output any code for
12021 block symbols; just pass them to place_block_symbol.
12022 Use get_variable_section and assemble_variable_contents.
12023 (get_constant_alignment, get_constant_section, get_constant_size): New
12024 functions, split from output_constant_def_contents.
12025 (build_constant_desc): Create a block symbol if use_object_blocks_p
12026 says so. Or into SYMBOL_REF_FLAGS.
12027 (assemble_constant_contents): New function, split from...
12028 (output_constant_def_contents): ...here. Don't output any code
12029 for block symbols; just pass them to place_section_symbol.
12030 Use get_constant_section and get_constant_alignment.
12031 (force_const_mem): Create a block symbol if use_object_blocks_p and
12032 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12033 (output_constant_pool_1): Add an explicit alignment argument.
12034 Don't switch sections here.
12035 (output_constant_pool): Adjust call to output_constant_pool_1.
12036 Switch sections here instead. Don't output anything for block symbols;
12037 just pass them to place_block_symbol.
12038 (init_varasm_once): Initialize object_block_htab.
12039 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12040 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12041 (place_block_symbol, get_section_anchor, output_object_block)
12042 (output_object_block_htab, output_object_blocks): New functions.
12043 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12044 (TARGET_ASM_OUT): Include it.
12045 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12046 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12047 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12048 (TARGET_INITIALIZER): Include them.
12049 * rtl.c (rtl_check_failed_block_symbol): New function.
12050 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12051 (block_symbol, object_block): New structures.
12052 (rtx_def): Add a block_symbol field to the union.
12053 (BLOCK_SYMBOL_CHECK): New macro.
12054 (rtl_check_failed_block_symbol): Declare.
12055 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12056 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12057 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12058 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12059 * output.h (output_section_symbols): Declare.
12060 (object_block): Name structure.
12061 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12062 (default_use_anchors_for_symbol_p): Declare.
12063 * Makefile.in (RTL_BASE_H): Add vec.h.
12064 (explow.o): Depend on output.h.
12065 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12066 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12067 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12068 (rs6000_use_blocks_for_constant_p): New function.
12070 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12072 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12074 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12077 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12080 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12082 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12086 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12088 PR middle-end/26334
12089 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12090 instead of DECL_REGISTER.
12092 2006-02-18 Olivier Hainque <hainque@adacore.com>
12095 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12097 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12100 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12101 * opth-gen.awk: Handle Var and InverseMask together.
12102 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12103 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12104 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12105 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12107 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12108 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12109 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12110 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12111 LINUX_DYNAMIC_LINKER): Define.
12112 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12113 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12115 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12116 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12117 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12118 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12119 (TARGET_C99_FUNCTIONS): Don't define.
12120 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12121 GLIBC_DYNAMIC_LINKER.
12122 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12123 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12124 GLIBC_DYNAMIC_LINKER64): Define.
12125 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12126 LINUX_DYNAMIC_LINKER64.
12127 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12128 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12129 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12130 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12131 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12132 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12133 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12134 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12135 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12136 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12137 and LINUX_DYNAMIC_LINKER32.
12138 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12139 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12140 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12141 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12142 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12144 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12145 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12146 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12147 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12148 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12149 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12150 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12151 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12152 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12153 LINUX_DYNAMIC_LINKER): Define.
12154 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12155 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12156 GLIBC_DYNAMIC_LINKER64): Define.
12157 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12158 LINUX_DYNAMIC_LINKER64.
12159 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12160 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12161 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12162 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12163 LINUX_DYNAMIC_LINKER): Define.
12164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12165 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12166 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12167 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12168 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12169 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12170 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12171 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12172 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12173 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12174 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12175 * doc/invoke.texi (-muclibc): Remove caveat about supported
12178 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12180 * doc/cpp.texi (__TIMESTAMP__): Document.
12182 2006-02-17 Roger Sayle <roger@eyesopen.com>
12184 PR middle-end/25600
12185 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12186 C is one less than the width of X (and related transformations).
12187 * simplify-rtx.c (simplify_unary_operation_1): Transform
12188 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12189 depending on STORE_FLAG_VALUE, were C is one less then the
12192 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12194 Fix PR tree-optimization/26341
12195 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12196 about NAME_MEMORY_TAG's.
12198 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12201 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12202 with hardware float support, and software float support. Add fcpy
12203 alternative to hardware patterns. Add alternatives to copy between
12204 general and floating-point registers to the 32-bit pattern.
12205 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12206 secondary reload to load a QI or HI mode constant into a floating
12208 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12209 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12211 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12214 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12216 (load_macho_picbase_di): Likewise.
12218 2006-02-16 Jeff Law <law@redhat.com>
12220 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12221 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12222 (ssa_name_nonzero_p): Likewise.
12223 (get_value_range): Return NULL if VRP is not running.
12224 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12225 VRP routines do not discover a range.
12226 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12227 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12228 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12229 (tree_expr_nonnegative_p): Similarly.
12230 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12231 (restore_nonzero_vars_to_original_value): Remove.
12232 (unsafe_associative_fp_binop): Remove.
12233 (tree_ssa_dominator_optimize): Remove initialization and
12234 finalization of nonzero_vars and nonzero_vars_stack.
12235 (dom_opt_initialize_block): No longer push marker on
12236 nonzero_vars_stack.
12237 (dom_opt_finalize_block): No longer call
12238 restore_nonzero_vars_to_original_value.
12239 (record_equivalences_from_phis): No longer look for
12240 nonzero PHI arguments.
12241 (cprop_into_successor_phis): No longer propagate nonzero
12242 property into PHI arguments. Lose unused argument. Caller
12244 (record_equivalences_from_stmt): No longer record nonzero
12245 values for SSA_NAMEs.
12246 (lookup_avail_expr): No longer use nonzero_vars.
12248 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12249 for sizetype when sizetype is unsigned.
12251 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12253 PR rtl-optimization/25603
12254 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12255 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12256 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12257 with new meaning of SETS.
12259 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12264 * config/linux.opt: New file.
12265 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12266 LINUX_DYNAMIC_LINKER): Define.
12267 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12268 * config.gcc (*-*-linux*): Define extra_options.
12269 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12270 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12271 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12272 GLIBC_DYNAMIC_LINKER.
12273 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12274 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12275 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12276 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12277 * doc/invoke.texi (GNU/Linux Options): New section.
12279 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12281 * config/sparc/sparc.md (setjmp): Rewrite.
12282 (setjmp_32): Delete.
12283 (setjmp_64): Likewise.
12285 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12287 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12290 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12292 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12295 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12297 PR rtl-optimization/26296
12298 * Makefile.in (loop-invariant.c): Add except.h dependency.
12299 * loop-invariant.c: Include except.h.
12300 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12302 2005-02-16 Paul Brook <paul@codesourcery.com>
12304 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12307 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12309 PR rtl-optimization/25636
12310 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12311 when deciding whether an insn is an initializing insn.
12313 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12315 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12316 (tree_code_size): Ditto.
12317 * tree.h (struct tree_memory_tag): Remove parent_var.
12318 (struct tree_struct_field_tag): New.
12321 (union tree_node): Add sft member.
12322 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12324 (create_sft): Add size and offset argument, set SFT_OFFSET and
12326 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12327 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12328 * tree-flow-inline.h (get_subvar_at): Update for
12329 SFT_OFFSET/SFT_SIZE.
12330 (var_can_have_subvars): Ditto.
12331 (overlap_subvar): Ditto.
12332 * print-tree.c (print_node): Print out interesting things for
12334 * tree-flow.h (struct subvar): Remove offset and size members.
12335 * tree-ssa-operands.c (get_expr_operands): Update for
12336 get_indirect_ref_operands changes.
12337 (get_indirect_ref_operands): Call add_virtual_operand instead of
12338 add_stmt_operand. Only recurse on base var if requested.
12339 (access_can_touch_variable): New function.
12340 (add_stmt_operand): Split virtual operand handling into ...
12341 (add_virtual_operand): Here. Add offset, size, and for_clobber
12342 arguments. Prune alias sets.
12343 (add_call_clobber_ops): Call add_virtual_operand.
12345 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12347 PR middle-end/26300
12348 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12350 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12351 than TREE_CODE as index into omp_clause_num_ops array.
12353 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12355 PR rtl-optimization/26184
12356 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12358 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12359 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12360 must_precede, must_follow and tobe_scheduled.
12363 * opts.c (common_handle_option): Free new_option pointer.
12364 * df-core.c (df_analyze): Free postorder pointer.
12366 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12368 * Makefile.in: Fix the examples about the use of stamps
12370 2006-02-15 Michael Matz <matz@suse.de>
12372 PR middle-end/22275
12374 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12375 influenced by maximum_field_alignment or DECL_PACKED.
12376 (update_alignment_for_field): Ditto.
12377 (place_field): Ditto.
12378 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12381 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12383 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12384 (debug_flow_info): Pass it.
12385 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12386 * bb-reorder.c (reorder_basic_blocks): Likewise.
12387 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12388 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12389 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12390 * gcse.c (gcse_main, bypass_jumps): Likewise.
12391 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12392 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12393 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12394 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12395 * rtl.h (dump_flow_info): Adjust prototype.
12396 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12397 * var-tracking.c (variable_tracking_main): Likewise.
12398 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12399 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12402 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12404 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12407 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12409 PR tree-optimization/26209
12410 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12411 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12413 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12415 2006-02-14 Roger Sayle <roger@eyesopen.com>
12417 PR middle-end/23670
12418 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12419 (X,Y) and the corresponding symmetry related transformations.
12420 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12421 (X,Y) and its symmetry related transformations.
12423 2006-02-14 Roger Sayle <roger@eyesopen.com>
12425 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12428 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12430 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12432 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12435 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12436 support COMDAT group.
12437 * configure: Regenerate.
12439 2006-02-14 Roger Sayle <roger@eyesopen.com>
12441 PR middle-end/26279
12442 PR middle-end/26280
12443 PR middle-end/26283
12444 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12446 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12448 Fix PR tree-optimization/26260
12450 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12452 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12453 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12454 * tree-ssa-structalias.c (create_variable_info_for): Use
12455 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12457 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12459 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12461 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12462 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12463 of the ending condition.
12464 * tree-ssa-loop-manip.c: Include params.h.
12465 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12466 tree_unroll_loop): New functions.
12467 * tree-pass.h (pass_loop_prefetch): Declare.
12468 * loop.c (rest_of_handle_loop_optimize): Test for
12469 -fprefetch-loop-arrays-rtl.
12470 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12471 * timevar.def (TV_TREE_PREFETCH): New timevar.
12472 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12473 pass_loop_prefetch): New.
12474 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12475 (cleanup_tree_cfg_loop): Call scev_reset.
12476 * common.opt (fprefetch-loop-arrays-rtl): Add.
12477 * tree-ssa-loop-prefetch.c: New file.
12478 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12479 (new_temp_expr_table): Initialize expr_vars.
12480 (free_temp_expr_table): Cleanup expr_vars.
12481 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12482 expressions from being merged into one.
12483 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12484 (struct tree_niter_desc): Add control, bound and cmp fields.
12485 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12487 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12488 (tree-cfgcleanup.o): Add SCEV_H dependency.
12489 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12490 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12492 2006-02-14 Richard Guenther <rguenther@suse.de>
12494 PR tree-optimization/26258
12495 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12496 in PHI argument processing.
12498 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12500 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12501 new expression in the requested machine mode.
12503 2006-02-13 Roger Sayle <roger@eyesopen.com>
12505 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12506 directly, instead let do_compare_rtx_and_jump handle this for us.
12507 * expr.c (expand_expr_real_1): Likewise.
12508 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12509 before do_jump_by_parts_greater.
12510 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12511 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12513 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12515 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12517 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12519 PR rtl-optimization/26235
12520 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12521 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12524 2006-02-13 Jeff Law <law@redhat.com>
12526 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12529 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12531 PR middle-end/26092
12532 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12533 twice if decl is a builtin. When trying again, call get_callee_fndecl
12534 first to verify it is still a builtin.
12536 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12538 * dwarf2out.c (base_type_die): Don't add AT_name here.
12539 (subrange_type_die): Don't add AT_name here.
12540 (modified_type_die): Rearrange code flow. Do add AT_name here.
12542 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12544 PR rtl-optimization/26247
12545 PR rtl-optimization/26248
12546 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12548 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12550 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12551 * config/fixtfdi.c: Likewise.
12552 * config/fixunstfdi.c: Likewise.
12553 * config/floatditf.c: Likewise.
12555 2006-02-13 Roger Sayle <roger@eyesopen.com>
12557 PR middle-end/24427
12558 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12559 into (X,C2) if C1 is a subset of the bits of C2. Transform
12560 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12562 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12564 2006-02-13 Josh Conner <jconner@apple.com>
12567 * varasm.c (function_section): Check for section name before
12568 calling select_section on targets that define
12569 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12570 unlikely_text_section instead of hot_function_section if
12571 first_function_block_is_cold.
12573 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12575 PR middle-end/25335
12576 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12578 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12580 PR rtl-optimization/26222
12581 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12582 after tree->rtl expansion.
12583 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12584 before passing it to emit_move_insn.
12586 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12588 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12590 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12591 Clarify documentation.
12592 * c-common.h (warn_write_strings): Remove.
12593 * c-common.c (warn_write_strings): Likewise.
12594 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12597 2006-02-12 Roger Sayle <roger@eyesopen.com>
12599 PR middle-end/25724
12600 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12601 (do_jump_parts_zero_rtx): New function renamed from
12602 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12603 (do_jump_parts_equality_rtx): New function split out from
12604 do_jump_parts_equality. Old implementation renamed as above.
12605 Call do_jump_parts_zero_rtx if either operand is zero.
12606 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12607 do all of the heavy lifting.
12608 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12609 calling either do_jump_by_parts_greater_rtx or
12610 do_jump_by_parts_equality_rtx.
12611 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12612 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12613 moved to do_compare_rtx_and_jump, call it directly.
12614 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12615 mode argument. Call do_compare_rtx_and_jump.
12616 (emit_case_nodes): Update calls to do_jump_if_equal.
12618 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12620 PR rtl-optimization/26225
12621 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12623 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12625 PR rtl-optimization/26232
12626 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12628 2006-02-11 Jason Merrill <jason@redhat.com>
12631 * tree-inline.c (declare_return_variable): Just don't use the
12632 modify target if it's a gimple complex reg and the return slot
12635 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12637 * doc/contrib.texi: Update my entry.
12639 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12641 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12643 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12645 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12648 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12650 * doc/invoke.texi (-floop-optimize2): Removed.
12651 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12652 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12653 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12654 * common.opt (floop-optimize2): Removed.
12655 (fmove-loop-invariants): Enabled by default.
12657 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12659 * tree-if-conv.c (combine_blocks): Free the result of
12660 get_loop_exit_edges.
12662 2006-02-10 Jeff Law <law@redhat.com>
12664 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12666 PR tree-optimization/26213
12667 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12668 loop trying to follow SSA_NAME_VALUE chains.
12670 2006-02-10 Richard Guenther <rguenther@suse.de>
12672 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12673 deal with structures that end in implicitly variable sized arrays.
12675 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12677 PR rtl-optimization/24762
12678 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12681 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12683 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12684 (struct ivopts_data): Add regs_used field.
12685 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12686 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12687 instead of loop_data->regs_used;
12688 (free_loop_data): Do not free aux fields for loops.
12689 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12690 and tree_ssa_iv_optimize_finalize.
12692 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12694 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12696 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12699 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12700 computing the effective result type.
12702 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12704 PR inline-asm/16194
12705 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12706 (tree_overlaps_hard_reg_set): Declare.
12707 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12708 type and signature to match function type expected by walk_tree.
12709 (tree_overlaps_hard_reg_set): New function.
12710 (decl_conflicts_with_clobbers_p): Rename to:
12711 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12712 Use tree_overlaps_hard_reg_set. Changed caller.
12713 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12714 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12715 * cris.c (cris_md_asm_clobbers): Likewise.
12717 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12719 * reload1.c (emit_input_reload_insns): Delete code that tries to
12720 inherit using find_equiv_reg.
12722 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12724 * c-common.h (flag_const_strings): Don't declare.
12725 * c-common.c (flag_const_strings): Remove.
12726 * c.opt (fconst_strings): Remove.
12727 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12728 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12729 (c_common_init_options): Don't set flag_const_strings.
12730 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12732 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12734 * arm.md (tlobits_cbranch): New pattern.
12735 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12736 testing a single bit.
12738 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12741 * tree-ssa-pre.c (create_component_ref_by_pieces):
12742 Handle RETURN_DECL like VAR_DECL.
12744 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12746 PR middle-end/26134
12747 * fold-const.c (fold_indirect_ref_1): Fold
12748 "*(foo *)&complexfoo" to "__real__ complexfoo"
12749 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12751 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12753 * tree-flow-inline.h (var_can_have_subvars):
12754 Volatile variables should not have subvariables.
12756 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12759 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12760 multiplying unsigned values.
12763 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12765 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12767 2006-02-08 Jason Merrill <jason@redhat.com>
12770 * tree.def: Elaborate on difference from MODIFY_EXPR.
12771 * doc/c-tree.texi (INIT_EXPR): Likewise.
12772 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12773 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12774 (gimplify_target_expr): Likewise.
12775 (gimplify_cond_expr): Remove target handling.
12776 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12777 (gimplify_expr): Clobber it here.
12778 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12779 Do return slot optimization if we have an INIT_EXPR.
12782 * tree-inline.c (declare_return_variable): Also clear
12783 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12786 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12788 PR middle-end/22439
12789 * gimplify.c (gimplify_one_sizepos): Fix typo.
12791 2006-02-08 Jeff Law <law@redhat.com>
12793 PR tree-optimization/21417
12794 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12795 across a backedge if the control statement at the end of the
12796 block is data dependent on other statements in the same block.
12797 (record_temporary_equivalences_from_stmts): Remove over-conservative
12798 test for threading across backedges.
12800 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12801 control statement, handle all three special cases in the same
12802 manner as they all have the same desired solution. No longer
12803 special case edge flag updating when the post dominator is
12806 2006-02-08 Roger Sayle <roger@eyesopen.com>
12808 * tree.def (CHAR_TYPE): Remove.
12809 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12810 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12811 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12812 (gen_string_type_die): Delete unreachable function.
12814 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12815 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12816 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12817 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12818 * builtins.c (type_to_class): Likewise.
12819 * fold-const.c (fold_convert, build_range_check,
12820 merge_ranges): Likewise.
12821 * expr.c (count_type_elements): Likewise.
12822 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12823 * stor-layout.c (layout_type): Likewise.
12824 * ipa-type-escape.c (type_to_consider): Likewise.
12825 * gimplify.c (omp_firstprivatize_type_sizes,
12826 gimplify_type_sizes): Likewise.
12827 * explow.c (promote_mode): Likewise.
12828 * tree-sra.c (is_sra_scalar_type): Likewise.
12829 * varasm.c (output_constant): Likewise.
12830 * tree-inline.c (remap_type_1): Likewise.
12831 * convert.c (convert_to_pointer, convert_to_real,
12832 convert_to_integer, convert_to_complex): Likewise.
12834 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12836 * df-scan.c (df_def_record_1): A set destination may
12837 be a parallel regardless of mode.
12839 2006-02-08 Roger Sayle <roger@eyesopen.com>
12842 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12843 * config/mips/_tilib.c: Remove.
12844 * config/fixtfdi.c: New libgcc source file.
12845 * config/fixunstfdi.c: New source file.
12846 * config/floatditf.c: New source file.
12847 * config/floatunditf.c: New souce file.
12848 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12849 files above instead of config/mips/_tilib.c.
12850 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12852 2006-02-08 Jeff Law <law@redhat.com>
12854 PR tree-optimization/26169
12855 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12858 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12860 * df.h (DF_REG_SIZE): Return the length of the initialized
12863 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12865 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12866 __muldf3): Return a correctly signed zero.
12868 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12870 * passes.c (register_one_dump_file): Accept the current properties
12871 instead of pass number. Adjust call to dump_register. Remove
12873 (register_dump_files): Now a wrapper around...
12874 (register_dump_files_1): ... this one. Do not modify the pass
12876 (next_pass_1): Cosmetic fix.
12877 (execute_todo): Keep second parameter only. Use curr_properties
12878 instead of fetching it from the pass structure. Check and set
12880 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12881 instead of fetching it from the pass structure. Fix calls to
12882 execute_todo. Update curr_properties and initialize .vcg RTL dump
12883 after running the pass. Reset last_verified.
12884 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12886 (FIRST_AUTO_NUMBERED_DUMP): New.
12887 (dump_register): Remove "num" parameter, assign it within the
12889 (get_dump_file_name): Modify template for dumps.
12890 * tree-dump.h (dump_register): Adjust prototype.
12891 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12892 (PROP_trees): Add PROP_gimple_lomp.
12893 (TODO_set_props): New.
12894 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12895 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12896 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12898 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12900 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12901 (sparc64-*-linux*): Likewise.
12902 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12903 * config/sparc/t-linux: New file.
12904 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12905 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12906 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12907 -m32 -mlong-double-128.
12909 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12910 * config/alpha/t-linux: New file.
12911 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12913 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12914 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12915 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12916 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12917 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12918 (CPP_ARCH32_SPEC): Remove.
12920 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12922 PR tree-optimization/26145
12923 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12926 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12929 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12930 >= 240000 when generating code for SOM runtime.
12931 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12932 to $$dyncall when generating code for SOM runtime..
12934 2006-02-07 Dirk Mueller <dmueller@suse.com>
12937 * doc/invoke.texi (-Wsequence-point): Update documentation
12938 that -Wsequence-point is implemented for C++ as well.
12940 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12942 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12943 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12944 (LIB_SPEC): Likewise.
12945 * doc/invoke.texi (SPARC options): Document -pthread.
12947 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12949 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12952 2006-02-07 Roger Sayle <roger@eyesopen.com>
12954 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12955 Correct comment describing BOOLEAN_TYPE.
12957 2006-02-07 Dirk Mueller <dmueller@suse.com>
12959 * c.opt: C++ frontend supports -Wdiv-by-zero.
12960 * c-opts.c (c_common_handle_option): Remove dead case.
12962 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12964 * configure.ac (TLS assembler check): Do not enable TLS by
12965 default on SPARC/Solaris before version 10.
12966 * configure: Regenerate.
12968 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12970 * doc/invoke.texi (xl-compat): Document conversion and support
12973 2006-02-07 Jeff Law <law@redhat.com>
12975 * tree-vrp.c (find_conditional_asserts): Update comments.
12976 (simplify_stmt_for_jump_threading): New.
12977 (identify_jump_threads, finalize_jump_threads): New.
12978 (vrp_finalize): Call identify_jump_threads.
12979 (execute_vrp): Call finalize_jump_threads.
12980 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12981 (vrp_element, vrp_data, vrp_element_p): Remove.
12982 (vrp_hash_elt, vrp_variables_stack): Remove.
12983 (vrp_hash, vrp_eq, record_range): Remove.
12984 (simplify_cond_and_lookup_avail_expr): Remove.
12985 (extract_range_from_cond): Remove.
12986 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12987 (simplify_stmt_for_jump_threading): New.
12988 (dom_thread_across_edge): New wrapper.
12989 (tree_ssa_dominator_optimize): No longer initialize or
12990 finalize any of the VRP datastructures. Remove iteration
12991 step and simplify as a result of removal of iteration step.
12992 (pass_dominator): Perform a cfg cleanup after DOM.
12993 (dom_opt_finalize_block): Use the new common routines
12994 for threading jumps. Simplify stack management slightly.
12995 No longer need to unwind VRP state.
12996 (record_equivalences_from_incoming_edge): No longer record
12998 (eliminate_redundant_computations): No longer call
12999 simplify_cond_and_lookup_avail_expr.
13000 * tree-flow.h (potentially_threadable_block): Prototype.
13001 (thread_across_edge): Likewise.
13002 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13003 (tree-ssa-threadedge.o): Add dependencies.
13004 * tree-ssa-threadedge.c: New file.
13005 * passes.c (init_optimization_passes): Merge PHIs before
13006 calling VRP. Run VRP again late in the SSA optimization pipeline.
13008 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13010 * df-core.c (df_set_blocks): Do not dereference function pointers.
13011 (df_finish1): Likewise.
13012 (df_hybrid_search_forward): Likewise.
13013 (df_hybrid_search_backward): Likewise.
13014 (df_iterative_dataflow): Likewise.
13015 (df_analyze_problem): Likewise.
13016 (df_compact_blocks): Likewise.
13017 (df_dump): Likewise.
13018 * df-scan.c (df_rescan_blocks): Likewise.
13019 (df_record_entry_block_defs): Likewise.
13021 * genconditions.c (write_conditions): Guard the definition of
13022 'insn_conditions' with the check on GCC version.
13023 (write_writer): Guard the traversal 'insn_conditions' with
13024 the check on GCC version.
13026 2006-02-07 Richard Guenther <rguenther@suse.de>
13030 2006-01-30 Richard Guenther <rguenther@suse.de>
13032 * gimplify.c (gimplify_target_expr): Handle easy cases
13033 without creating a temporary.
13035 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13037 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13038 use of float in probability computations. Use edge probabilities
13039 in place of statically computed probabilities.
13040 (min_spec_prob): New static variable.
13041 (schedule_insns): Initialize it.
13042 (GET_SRC_PROB): Removed.
13043 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13045 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13048 * config/ia64/unwind-ia64.c: Revert last change.
13049 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13050 (INCOMING_FRAME_SP_OFFSET): Define.
13052 2006-02-06 Roger Sayle <roger@eyesopen.com>
13054 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13056 2006-02-07 Ben Elliston <bje@au.ibm.com>
13058 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13059 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13060 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13061 (ix86_return_in_memory): Handle TDmode.
13062 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13063 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13065 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13067 * reorg.c (dbr_schedule): Use dump_file instead of file.
13069 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13072 * config/ia64/predicates.md (extr_len_operand): New predicate.
13073 * config/ia64/ia64.md (extv): Tighten constraints.
13075 (*tbit_and_2): Ditto.
13076 (*tbit_and_3): Ditto.
13077 (*tbit_or_2): Ditto.
13078 (*tbit_or_3): Ditto.
13079 (*bit_zero): Ditto.
13082 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13085 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13087 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13089 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13090 loop_optimizer_init and loop_optimizer_finalize
13091 * tree-ssa-sink.c (execute_sink_code): Ditto.
13092 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13093 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13094 tree_ssa_loop_done): Ditto.
13095 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13096 * sched-ebb.c: Include output.h.
13097 (schedule_ebbs): Do not use dump argument.
13098 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13099 * loop.c (loop_dump_stream): Removed.
13100 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13102 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13103 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13104 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13105 loop_iterations, strength_reduce, record_biv, record_giv,
13106 final_giv_value, check_final_value, check_ext_dependent_givs,
13107 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13108 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13109 dump_file instead of loop_dump_stream.
13110 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13111 argument dump_file.
13112 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13114 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13115 * haifa-sched.c: Include output.h
13116 (schedule_insns, sched_init): Do not use dump argument.
13117 * mode-switching.c (optimize_mode_switching): Ditto.
13118 * modulo-sched.c (stats_file): Removed.
13119 (print_node_sched_params): Do not call argument dump_file.
13120 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13121 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13123 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13125 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13126 rtl_loop_init, rtl_loop_done): Ditto.
13127 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13128 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13130 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13131 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13132 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13133 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13134 * emit-rtl.c (renumber_insns): Ditto.
13135 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13136 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13137 * regclass.c (regclass): Ditto.
13138 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13139 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13140 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13141 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13143 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13144 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13146 * gcse.c (gcse_file, debug_stderr): Removed.
13147 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13148 rest_of_handle_gcse): Do not use dump argument.
13149 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13150 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13151 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13152 compute_code_hoist_vbeinout, compute_code_hoist_data,
13153 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13154 compute_store_table, build_store_vectors, insert_insn_start_bb,
13155 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13156 store_motion): Use dump_file instead of gcse_file.
13157 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13158 * profile.c (profile_dump_file): Removed.
13159 (branch_prob): Use dump_file instead of profile_dump_file.
13160 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13162 * tree-ssa-copy.c (dump_copy_of): Ditto.
13163 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13164 dump file to life_analysis.
13165 * bt-load.c (branch_target_load_optimize): Ditto.
13166 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13168 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13169 regclass, dbr_schedule): Declaration changed.
13170 * sched-int.h (sched_init): Declaration changed.
13171 * tree-profile.c (tree_profile_dump_file): Removed.
13172 (tree_profile_hooks): Removed profile_dump_file hook.
13173 * rtl-profile (rtl_profile_dump_file): Removed.
13174 (rtl_profile_hooks): emoved profile_dump_file hook.
13175 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13177 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13178 * tree-cfg.c (build_tree_cfg): Ditto.
13179 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13180 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13181 Declaration changed.
13182 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13183 life_analysis and schedule_insns.
13184 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13186 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13188 * config/mips/mips.c (mips_reorg): Ditto.
13189 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13192 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13194 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13195 (s390_mangle_fundamental_type): New.
13196 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13199 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13200 (alpha_mangle_fundamental_type): New.
13201 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13204 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13206 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13208 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13209 (sparc_mangle_fundamental_type): New.
13211 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13213 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13214 (s390x-*-linux*): Likewise.
13215 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13216 * config/s390/t-linux: New file.
13218 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13220 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13221 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13223 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13225 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13226 (ANTIC_SAFE_LOADS): New macro.
13227 (find_or_generate_expression): Add prototype.
13228 (set_contains_value): Allow null set for sake of not always having
13229 to allocate ANTIC_SAFE_LOADS.
13230 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13231 Allow COMPONENT_REF too.
13232 (valid_in_set): Allow COMPONENT_REF.
13233 Check ANTIC_SAFE_LOADS too.
13234 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13235 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13237 (can_PRE_operation): Add COMPONENT_REF.
13238 (create_component_ref_by_pieces): New function.
13239 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13240 (insert_aux): Move AGGREGATE_TYPE_P check here.
13241 (compute_avail): Set bb local stmt uids.
13242 (pass_pre): Use TODO_update_ssa_only_virtuals.
13244 2006-02-06 Ben Elliston <bje@au.ibm.com>
13246 * configure.ac: Unconditionally disable decimal float by default.
13247 * configure: Regenerate.
13249 2006-02-06 Ben Elliston <bje@au.ibm.com>
13251 * read-rtl.c (read_name): Terminate reading on EOF.
13253 2006-02-06 Ben Elliston <bje@au.ibm.com>
13255 * dfp.c (decimal_real_arithmetic): Change second argument type
13256 from int to enum tree_code. Do not always return true, but now
13257 return result of any call to decimal_do helper functions.
13258 * dfp.h (decimal_real_arithmetic): Update prototype.
13260 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13262 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13264 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13267 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13270 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13272 * tree-vrp.c (cfg_loops): Removed.
13273 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13274 Use current_loops instead of cfg_loops. Pass flags to
13275 loop_optimizer_init.
13276 * cfgloopmanip.c (fix_loop_structure): Update only available
13278 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13279 loop_optimizer_init.
13280 * modulo-sched.c (build_loops_structure): Removed.
13281 (sms_schedule): Use loop_optimizer_init.
13282 * loop-init.c (loop_optimizer_init): Use flags to determine
13283 which properties of loops to prepare.
13284 (rtl_loop_init): Pass flags to loop_optimizer_init.
13285 * tree-ssa-sink.c (execute_sink_code): Ditto.
13286 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13287 * tree-ssa-pre.c (init_pre): Ditto.
13288 * cfgloop.h (LOOPS_NORMAL): New.
13289 (loop_optimizer_init): Declaration changed.
13291 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13293 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13294 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13296 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13298 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13300 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13301 * pa/t-pa64: Delete quadlib.c rule.
13302 * pa/x-ada: Revert last change.
13303 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13305 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13307 PR rtl-optimization/26087
13308 * rtlanal.c (canonicalize_condition): Do not cross basic block
13311 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13314 * config/ia64/ia64.c: Include debug.h.
13315 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13316 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13317 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13318 (process_epilogue, process_set, process_for_unwind_directive):
13319 Output unwind info only if requested. Add CFA info if requested.
13320 Add new arguments as needed. Adjust callers.
13321 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13323 (DWARF2_FRAME_INFO): Define to zero.
13324 * config/ia64/unwind-ia64.c: Remove code that compensated for
13325 the CFA offset error fixed above.
13326 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13327 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13328 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13329 -funwind-tables and -fexceptions to enable frame info.
13330 (dwarf2out_frame_init): Define initial CFA even if
13331 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13332 DWARF2_UNWIND_INFO is nonzero, not just defined.
13333 (dwarf2out_frame_finish): Output non-EH call frame info only
13334 if DWARF2_FRAME_INFO is nonzero.
13335 (convert_cfa_to_loc_list,
13336 compute_frame_pointer_to_cfa_displacement): Define even if
13337 unwind info is not supported.
13338 (gen_subprogram_die): Use the above unconditionally. Remove
13339 legacy alternate code.
13340 * toplev.c (compile_file): Compile in call to
13341 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13342 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13344 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13345 Jakub Jelinek <jakub@redhat.com>
13347 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13348 IBM extended float format long double as "g" on powerpc*-linux.
13350 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13353 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13354 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13356 2006-02-03 Jason Merrill <jason@redhat.com>
13359 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13361 PR middle-end/25977
13362 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13363 on the return slot if it's an NRV.
13365 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13367 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13368 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13369 rewrite_use): Do not handle USE_OUTER.
13370 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13371 add_iv_outer_candidates, may_replace_final_value,
13372 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13373 (find_interesting_uses_op): Functionality of
13374 find_interesting_uses_outer_or_nonlin moved here.
13375 (find_interesting_uses_outside): Use find_interesting_uses_op.
13377 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13380 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13382 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13383 Ulrich Weigand <uweigand@de.ibm.com>
13386 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13387 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13388 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13389 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13391 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13392 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13393 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13394 Define secondary reloads for TFmode moves.
13395 (constant_modes): Add TFmode.
13396 (NR_C_MODES): Set to 8.
13397 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13399 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13400 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13401 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13402 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13403 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13404 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13405 (FPR mode macro): Add TFmode.
13406 (DSF mode macro): New.
13407 (<de>, <dee> mode attributes): Removed.
13408 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13409 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13410 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13411 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13412 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13413 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13414 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13415 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13416 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13417 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13418 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13419 "*negabs<mode>2", "sqrt<mode>2"):
13420 Changed <de> to <xde>. R constraint replaced by <Rf>.
13421 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13423 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13424 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13425 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13427 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13428 "extenddftf2", "extendsftf2"): New expanders.
13429 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13430 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13431 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13432 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13434 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13435 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13436 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13437 __floatditf): Add a GCC_4.1.0 symbol version tag.
13438 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13441 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13444 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13445 Use targetm.binds_local_p instead of TREE_PUBLIC.
13447 2006-02-02 Roger Sayle <roger@eyesopen.com>
13449 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13450 on INTEGER_TYPEs to indicate that it denotes a character type.
13451 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13452 signed_char_type_node, unsigned_char_type_node and char_type_node.
13453 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13454 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13455 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13457 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13458 Daniel Berlin <dberlin@dberlin.org>
13460 * tree-tailcall.c (arg_needs_copy_p): New function.
13461 (eliminate_tail_call): Use arg_needs_copy_p.
13462 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13463 (add_virtual_phis): New function.
13465 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13467 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13468 #ignore instead of #scratch for %g7 .register directive.
13470 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13472 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13475 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13477 * flow.c (calculate_global_regs_live): Assert that there aren't any
13480 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13482 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13483 what its name says.
13484 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13485 bsi_after_labels iterator.
13486 * tree-if-conv.c (find_phi_replacement_condition,
13487 replace_phi_with_cond_modify_expr): Likewise.
13488 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13489 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13491 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13493 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13495 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13498 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13499 array after growing it.
13501 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13503 PR middle-end/24901
13504 * fold-const.c (fold_checksum_tree): Change type of buf.
13506 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13508 * reload.c (push_secondary_reload): Initialize t_icode.
13510 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13512 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13513 -msoft-float -mlong-double-128 only issue a warning, but don't
13514 swich to DFmode long double.
13516 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13518 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13519 has a constant equivalent, iterate over equivalents for arg0,
13520 calling simplify_relational_operation and if there's a result
13521 cheaper than X, apply fold_rtx and return the result.
13523 2006-02-01 Jan Hubicka <jh@suse.cz>
13525 * opts.c (no_unit_at_a_time_default): New global variable.
13526 (decode_options): Use it.
13527 * opts.h (no_unit_at_a_time_default): Declare.
13529 2006-02-01 Paul Brook <paul@codesourcery.com>
13531 * function.c (assign_parm_setup_reg): Use function argument promotion
13533 * expr.c (expand_expr_real_1): Use function argument promotion rules
13536 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13538 * gcc.c (process_command): Change j to 'unsigned int'.
13540 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13542 PR middle-end/26001
13543 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13544 Use the corrected index for the character
13545 out of the string constant.
13547 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13549 * mode-switching.c (optimize_mode_switching): Fix size
13550 allocated for bb_info[n_entities].
13552 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13554 * gcc.c (main): Correct type that is allocated for
13555 explicit_link_files.
13557 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13559 * config/s390/s390.c (init_alignment_context): Set
13560 ALIAS_SET_MEMORY_BARRIER on the MEM.
13561 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13563 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13565 PR middle-end/25933
13566 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13568 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13571 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13573 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13574 * regrename.c: Ditto.
13575 * tree-ssa-loop-im.c: Ditto.
13576 * tree-dump.c: Ditto.
13577 * tree-complex.c: Ditto.
13578 * genrecog.c: Ditto.
13579 * tree-ssa-threadupdate.c: Ditto.
13581 * java/class.c: Ditto.
13582 * java/jcf-parse.c: Ditto.
13583 * java/resource.c: Ditto.
13584 * java/except.c: Ditto.
13585 * java/jvspec.c: Ditto.
13586 * java/jcf-write.c: Ditto.
13587 * java/jcf-path.c: Ditto.
13588 * java/gjavah.c: Ditto.
13589 * java/zextract.c: Ditto.
13590 * java/jcf-io.c: Ditto.
13591 * java/jcf.h: Ditto.
13592 * java/buffer.c: Ditto.
13593 * java/lang.c: Ditto.
13594 * java/parse-scan.y: Ditto.
13595 * java/lex.c: Ditto.
13596 * java/lex.h: Ditto.
13597 * cfgloopmanip.c: Ditto.
13598 * postreload-gcse.c: Ditto.
13599 * tree-ssa-loop-manip.c: Ditto.
13600 * postreload.c: Ditto.
13601 * tree-ssa-loop-ch.c: Ditto.
13604 * cppspec.c: Ditto.
13605 * diagnostic.c: Ditto.
13607 * genoutput.c: Ditto.
13609 * cfghooks.c: Ditto.
13610 * cfgloopanal.c: Ditto.
13611 * objc/objc-act.c: Ditto.
13613 * genextract.c: Ditto.
13614 * genautomata.c: Ditto.
13615 * pretty-print.c: Ditto.
13616 * genemit.c: Ditto.
13617 * cgraphunit.c: Ditto.
13619 * df-scan.c: Ditto.
13620 * haifa-sched.c: Ditto.
13621 * dominance.c: Ditto.
13623 * tree-ssa-loop-ivopts.c: Ditto.
13624 * df-core.c: Ditto.
13625 * mode-switching.c: Ditto.
13626 * modulo-sched.c: Ditto.
13628 * ipa-pure-const.c: Ditto.
13630 * fix-header.c: Ditto.
13632 * tree-stdarg.c: Ditto.
13633 * ipa-utils.c: Ditto.
13634 * loop-init.c: Ditto.
13635 * ipa-inline.c: Ditto.
13636 * cfganal.c: Ditto.
13638 * alloc-pool.c: Ditto.
13639 * dwarf2out.c: Ditto.
13641 * genattrtab.c: Ditto.
13642 * tree-ssa-loop-ivcanon.c: Ditto.
13643 * predict.c: Ditto.
13644 * timevar.c: Ditto.
13646 * fortran/gfortranspec.c: Ditto.
13647 * regmove.c: Ditto.
13648 * local-alloc.c: Ditto.
13649 * langhooks.c: Ditto.
13650 * function.c: Ditto.
13651 * tree-vectorizer.c: Ditto.
13653 * ipa-type-escape.c: Ditto.
13655 * tree-if-conv.c: Ditto.
13656 * profile.c: Ditto.
13658 * tree-data-ref.c: Ditto.
13659 * loop-unroll.c: Ditto.
13660 * treelang/treetree.c: Ditto.
13662 * bt-load.c: Ditto.
13663 * ggc-common.c: Ditto.
13665 * coverage.c: Ditto.
13667 * tree-cfgcleanup.c: Ditto.
13668 * tree-ssa-pre.c: Ditto.
13669 * cfgcleanup.c: Ditto.
13670 * loop-invariant.c: Ditto.
13671 * loop-iv.c: Ditto.
13672 * ipa-prop.c: Ditto.
13673 * print-tree.c: Ditto.
13674 * conflict.c: Ditto.
13675 * ggc-page.c: Ditto.
13676 * sched-deps.c: Ditto.
13677 * regclass.c: Ditto.
13678 * tree-object-size.c: Ditto.
13679 * combine.c: Ditto.
13680 * bb-reorder.c: Ditto.
13681 * resource.c: Ditto.
13682 * var-tracking.c: Ditto.
13683 * cfgloop.c: Ditto.
13684 * df-problems.c: Ditto.
13685 * reg-stack.c: Ditto.
13687 * gccspec.c: Ditto.
13688 * sched-rgn.c: Ditto.
13689 * tree-ssa-structalias.c: Ditto.
13690 * tree-ssa-reassoc.c: Ditto.
13691 * config/darwin-c.c: Ditto.
13692 * config/darwin.c: Ditto.
13693 * config/arm/arm.c: Ditto.
13695 * collect2.c: Ditto.
13696 * reload1.c: Ditto.
13698 2006-01-31 Nicolas Pitre <nico@cam.org>
13700 * arm.md (smaxsi3): Make aware of smax_m1.
13703 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13705 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13707 2006-01-31 Richard Guenther <rguenther@suse.de>
13709 * doc/invoke.texi (-msselibm): Document.
13710 * target.h (expand_library_builtin): New target hook.
13711 * builtins.c (expand_builtin): Use expand_library_builtin.
13712 (default_expand_library_builtin): New function.
13713 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13714 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13715 (link_gcc_math_spec): Declare.
13716 (static_specs): Add link_gcc_math_spec.
13717 * expr.h (default_expand_library_builtin): Declare.
13718 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13719 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13720 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13721 * config/i386/i386.opt (msselibm): New target option.
13722 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13723 (ix86_init_sse_abi_builtins): New function.
13724 (ix86_expand_library_builtin): Likewise.
13725 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13726 (override_options): Handle error conditions wrt -msselibm.
13727 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13728 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13729 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13732 2006-01-31 Richard Guenther <rguenther@suse.de>
13733 Paolo Bonzini <bonzini@gnu.org>
13735 * doc/install.texi (--disable-libgcc-math): Document.
13737 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13739 * expr.h (expand_normal): new inline function.
13740 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13741 * dojump.c: use it.
13742 * dwarf2out.c: use it.
13745 * expmed.c: use it.
13746 * except.c: use it.
13747 * config/sparc/sparc.c: use it.
13748 * config/i386/i386.c: use it.
13749 * config/rs6000/rs6000.c: use it.
13750 * config/arm/arm.c: use it.
13751 * config/mips/mips.c: use it.
13752 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13754 2006-01-30 Roger Sayle <roger@eyesopen.com>
13756 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13757 argv to the appropriate type.
13759 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13761 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13764 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13767 * config/s390/s390.c (struct machine_function): New flag
13768 decomposed_literal_pool_addresses_ok_p.
13769 (s390_reorg): Set it before final stage of literal pool transforms.
13770 (s390_decompose_address): Only accept displacements of the form
13771 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13773 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13775 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13776 the comparison routine return.
13778 2006-01-30 Michael Matz <matz@suse.de>
13780 * global.c (find_reg): Only evict for global regs.
13781 Take n_refs into account and dump more info.
13783 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13786 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13787 (pragma_trap, pragma_nosave_low_regs): Likewise.
13788 (current_function_anonymous_args): Likewise.
13789 (sh_deferred_function_attributes): New variable.
13790 (sh_deferred_function_attributes_tail): Likewise.
13791 (print_operand): For '@', look up trap_exit attribute.
13792 (calc_live_regs): Look up trapa_handler attribute. For trapa
13793 handlers, save/restore fpscr, but don't do any other
13794 interrupt-specific saves.
13795 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13796 Fix check for partially saved registers to check for SHmedia.
13797 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13798 (sh_output_function_epilogue): Don't clear any of the removed
13800 (sh_insert_attributes): Don't check pragma_interrupt.
13801 Insert deferred attributes. Check that interrupt attribute is
13802 present for other attributes that require its presence.
13803 (sh_attribute_table): Add new attributes trapa_handler and
13805 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13806 Don't check for pragma_interrupt. Don't store argument.
13807 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13808 (sh_deferred_function_attributes): Declare.
13809 (sh_deferred_function_attributes_tail): Likewise.
13810 * sh.md (sp_switch_1): Add operand. Change generator caller.
13811 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13812 (*return_i): Don't use when trap_exit attribute is in effect.
13813 (*return_trapa): New insn pattern.
13814 * sh-c.c: New file.
13815 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13816 setting c_target_objs and cxx_target_objs.
13817 * t-sh: Add rule for sh-c.o.
13819 2006-01-30 Richard Guenther <rguenther@suse.de>
13822 * gimplify.c (gimplify_target_expr): Handle easy cases
13823 without creating a temporary.
13825 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13827 * vec.h (safe_grow): Remove duplicated line.
13829 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13832 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13833 (expand_omp): ... here.
13834 (expand_omp_parallel): Only remove barriers for combined
13835 parallel+workshare constructs.
13837 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13841 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13842 * tree.c (build_qualified_type): Chain the new type to the original
13843 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13844 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13845 (build_pointer_type_for_mode): Only return unqualified types.
13846 (build_reference_type_for_mode): Likewise.
13848 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13850 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13851 * Makefile.in (CXX_COMPAT_WARN): Define.
13852 * configure: Regenerate.
13854 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13857 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13860 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13862 * toplev.c: Fix thinko.
13864 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13865 Marcin Dalecki <martin@dalecki.de>
13867 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13868 (push_srcloc): Use XNEW.
13869 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13871 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13873 * df-core.c (df_set_blocks): Deleted all variable.
13875 2006-01-28 Ian Lance Taylor <ian@airs.com>
13877 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13878 cgraph_output_pending_asms.
13880 2006-01-28 Zack Weinberg <zackw@panix.com>
13882 * c.opt: Add -W(no-)overlength-strings.
13883 * doc/invoke.texi: Document it.
13884 * c-opts.c (c_common_handle_option): -pedantic implies
13885 -Woverlength-strings, if not explicitly disabled already.
13886 (c_common_post_options): -Woverlength-strings defaults to off, and
13887 is always off for C++.
13888 * c-common.c (fix_string_type): Issue warning about strings longer
13889 than is portable only if warn_overlength_strings. Rearrange code
13890 a little for clarity.
13891 * configure.in: Check for -Wno-overlength-strings as well before
13892 enabling -pedantic in stage 1.
13893 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13894 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13896 * genconditions.c (write_header, write_one_condition)
13897 (write_conditions, write_writer): Consolidate very long strings
13898 that were broken up to fit in C89 portable limit. Don't use
13899 printf when fputs will do.
13901 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13903 * combine.c (simplify_comparison <AND>): Check
13904 TRULY_NOOP_TRUNCATION before start using a subreg.
13906 * config/mips/mips.md (*branch_zero<mode>,
13907 *branch_zero<mode>_inverted, *branch_equality<mode>,
13908 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13909 Remove mode check from comparisons.
13911 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13913 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13915 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13917 * expmed.c (const_mult_add_overflow_p): Remove.
13918 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13920 * recog.c (validate_replace_rtx_subexp): Remove.
13921 * recog.h: Remove the prototype for
13922 validate_replace_rtx_subexp.
13924 * integrate.h: Remove the prototype for
13925 copy_decl_for_inlining.
13926 * rtl.h: Remove the prototype for mark_constant_function.
13927 * tree-vectorizer.h: Remove the prototype for
13928 vect_strip_conversion.
13930 * modulo-sched.c (create_partial_schedule,
13931 free_partial_schedule, reset_partial_schedule): Make them
13934 * hooks.c (hook_bool_rtx_int_false): Remove.
13935 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13937 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13939 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13940 and -mlong-double-128 are incompatible.
13941 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13942 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13943 (TARGET_LIBGCC2_CFLAGS): Define.
13944 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13945 (TARGET_LIBGCC2_CFLAGS): Same.
13946 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13948 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13951 * c-typeck.c (build_binary_op): Perform implicit casts of
13952 operands before shortening them.
13954 * cfgloopmanip.c (split_loop_bb): Remove.
13955 * cfgloop.h: Remove the prototype for split_loop_bb.
13957 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13958 * cfgloop.h: Remove the prototype for
13959 flow_loop_outside_edge_p.
13961 * emit-rtl.c (init_virtual_regs): Make it static.
13962 * function.h: Remove the prototype for init_virtual_regs.
13964 * recog.c (peephole2_optimize): Make it static.
13965 * recog.h: Remove the prototype for peephole2_optimize.
13967 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13969 * df-scan.c (df_record_entry_block_defs): Check if
13970 INCOMING_RETURN_ADDR_RTX is defined.
13972 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13973 Kenneth Zadeck <zadeck@naturalbridge.com>
13975 PR rtl-optimization/24762
13976 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13977 * targhooks.c (hook_void_bitmap): New hook prototype.
13978 * targhoohs.h (hook_void_bitmap): Ditto.
13979 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13980 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13981 * target.h (live_on_entry): New function pointer.
13982 * df-scan.c (df_all_hard_regs): Removed.
13983 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13984 (df_scan_free_internal): Added df->entry_block_defs.
13985 (df_scan_alloc): Ditto.
13986 (df_scan_dump): Ditto.
13987 (df_uses_record): Plumbed flag field properly thru calls.
13988 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13989 This part fixes PR24762.
13990 (df_bb_refs_record): Added code to make the frame and arg
13991 pointers live in EH blocks.
13992 (df_refs_record): Added call to df_record_entry_block_defs.
13993 (df_record_entry_block_defs): New function.
13994 * df-core.c: Added comments to describe new artifical defs.
13995 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13996 (entry_block_defs): New field in struct df.
13997 (df_all_hard_regs): Deleted.
13998 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13999 * df-problems.c (df_ru_bb_local_compute_process_def):
14000 Added code to handle artifical defs in the entry to a function.
14001 (df_ru_bb_local_compute): Ditto.
14002 (df_rd_bb_local_compute_process_def): Ditto.
14003 (df_rd_bb_local_compute): Ditto.
14004 (df_lr_bb_local_compute): Ditto.
14005 (df_ur_bb_local_compute): Ditto.
14006 (df_urec_bb_local_compute): Ditto.
14007 (df_chain_create_bb): Ditto.
14008 (df_ur_local_finalize): Removed entry.
14009 (df_urec_init): Ditto.
14010 (df_urec_local_finalize): Ditto.
14011 (df_ri_bb_compute): Added detection of last use of pseudos.
14012 * Makefile.in (df-scan.o): Updated dependencies.
14013 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14014 * config/mips/mips.c (mips_set_live_on_entry): Added.
14015 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14017 * dce.c (marked_insn_p): Added code to handle artifical defs.
14019 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14021 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14023 (_mm_cvtsi128_si64): Likewise.
14024 (_mm_cvtsd_si64): Likewise.
14025 (_mm_cvttsd_si64): Likewise.
14026 (_mm_cvtsi64_sd): Likewise.
14027 (_mm_cvtsi64_si128): Likewise.
14028 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14029 (_mm_cvtsi64_m64): Likewise.
14030 (_m_to_int64): Likewise.
14031 (_mm_cvtm64_si64): Likewise.
14032 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14033 (_mm_cvttss_si64): Likewise.
14034 (_mm_cvtsi64_ss): Likewise.
14035 (_mm_cvtss_f32): Likewise.
14037 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14039 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14040 for pragma redefine_extname.
14042 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14045 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14046 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14047 -mno-minimal-toc to previous content.
14048 (bispecs): Remove goal.
14049 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14050 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14051 compatibility aliases on powerpc-*-*gnu*.
14052 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14053 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14054 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14055 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14056 (ldblspecs): New goal.
14057 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14058 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14060 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14061 L_sf_to_tf or L_df_to_tf is defined.
14063 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14064 Alan Modra <amodra@bigpond.net.au>
14067 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14068 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14069 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14070 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14071 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14072 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14073 (rs6000_override_options): Initialize rs6000_ieeequad.
14074 Initialize TFmode format to ibm_extended_format if not
14076 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14078 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14079 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14080 (function_arg_advance): IBM long double passed in two FPRs, not
14082 (function_arg): IBM long double passed in FPRs.
14083 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14084 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14085 Only multireg GPR aligned.
14086 (rs6000_init_libfuncs): Enable IBM long double functions if not
14088 (rs6000_generate_compare): Use IBM long double compare if not
14090 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14091 (TARGET_IEEEQUAD): Define.
14092 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14093 not TARGET_IEEEQUAD.
14094 * config/rs6000/rs6000.md: Enable TFmode patterns if
14096 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14097 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14098 and -mlong-double-128 are incompatible.
14099 * doc/invoke.texi (-mabi): Collect options together. Add
14100 ibmlongdouble and ieeelongdouble.
14102 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14104 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14106 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14107 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14108 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14109 * rtl.h (rtunion_def): Remove rt_ptr.
14111 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14112 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14113 * config/i386/winnt.c (i386_pe_mark_dllexport)
14114 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14116 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14118 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14120 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14124 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14125 pthread_key_delete. From John David Anglin. gthrw-ify
14126 pthread_getunique_np only if it it's not a macro. Delete
14128 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14129 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14130 __gthread_objc_condition_signal, __gthread_key_delete): Add
14131 "__attribute__ ((__unused__))" to unused arguments.
14132 (__gthread_recursive_mutex_init_function): Add missing return.
14133 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14134 gthr-posix95.h: Use macro-based approach for name redirection
14135 on targets missing weakref.
14137 2006-01-26 Zack Weinberg <zackw@panix.com>
14139 * genconditions.c (write_header): In generated code, #ifdef out
14140 all includes and fake declarations, except includes of bconfig.h
14141 and system.h, unless GCC_VERSION >= 3001. Do not include
14142 gensupport.h in any case.
14143 (write_conditions): Generate a definition of struct c_test. Add
14144 a comment to the generated #endif.
14145 (write_one_condition): Escape backslashes in string too.
14146 (write_writer): Generated code must escape backslashes and quote
14147 marks (but not newlines) in the strings it writes.
14148 * Makefile.in (build/gencondmd.o): Update dependencies.
14150 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14153 * Makefile.in (insn-automata.o): Add header file dependencies.
14154 * genautomata.c: Add includes.
14156 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14159 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14161 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14163 * configure.ac: Expect target tools paths to be passed from the toplevel
14164 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14166 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14168 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14171 * c.opt (Wpointer-sign): Init to -1.
14172 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14173 OPT_pedantic, to 0 otherwise.
14174 * doc/invoke.texi: Update.
14176 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14178 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14179 constants provided by 80387 instructions in the destination mode.
14181 2006-01-26 Richard Guenther <rguenther@suse.de>
14182 Andrew Pinski <pinskia@physics.uc.edu>
14185 partial PR tree-opt/17064
14186 * tree-ssa-structalias.c (intra_create_variable_infos):
14187 Create heap variables for incoming parameters if
14188 flag_argument_noalias > 1.
14189 (find_what_p_points_to): Look through default defs of
14192 2006-01-26 Jeff Law <law@redhat.com>
14195 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14196 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14197 within the VR_RANGE, use the VR_RANGE as the result, not the
14199 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14200 bounds for the type.
14202 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14204 * tree-ssa-alias.c (maybe_create_global_var): Change
14205 subvar walking to an assertion that we don't have subvar'd variables.
14207 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14210 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14211 Use a new variable, inner. PARM_DECLs are always non-weak.
14213 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14215 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14216 --disable-checking.
14218 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14220 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14222 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14224 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14225 (smax_insn, smin_insn, smax_0, smin_0): New.
14227 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14230 * config/cris/cris.c (cris_order_for_addsi3): New function.
14231 * config/cris/cris-protos.h: Prototype it.
14232 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14233 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14234 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14235 (split for "op.S1 [rx=rx+i],ry (swapped)")
14236 (split for "op(s|u).S1 [rx=rx+i],ry")
14237 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14238 Apply cris_order_for_addsi3 when generating addsi3 insns.
14240 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14242 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14243 (TREE_BLOCK): Add call to EXPR_CHECK.
14245 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14248 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14249 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14250 (dump_omp_clauses): ... here.
14251 (dump_generic_node): Handle OMP_CLAUSE.
14252 * tree.c (omp_clause_num_ops): New.
14253 (omp_clause_code_name): New.
14254 (tree_code_size): Handle OMP_CLAUSE.
14255 (tree_size): Likewise.
14256 (make_node): Document handling of OMP_CLAUSE.
14257 (tree_node_structure): Handle OMP_CLAUSE.
14258 (omp_clause_check_failed): New.
14259 (omp_clause_range_check_failed): New.
14260 (omp_clause_operand_check_failed): New.
14261 (build_omp_clause): New.
14262 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14263 * tree.h (enum omp_clause_code): Declare.
14264 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14265 (OMP_CLAUSE_RANGE_CHECK): Define.
14266 (OMP_CLAUSE_ELT_CHECK): Define.
14267 (omp_clause_check_failed): Declare.
14268 (omp_clause_operand_check_failed): Declare.
14269 (omp_clause_range_check_failed): Declare.
14270 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14271 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14272 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14273 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14274 (OMP_CLAUSE_IF_EXPR): Likewise.
14275 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14276 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14277 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14278 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14279 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14280 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14281 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14282 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14283 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14284 (OMP_CLAUSE_CODE): Define.
14285 (OMP_CLAUSE_SET_CODE): Define.
14286 (OMP_CLAUSE_CODE): Define.
14287 (OMP_CLAUSE_OPERAND): Define.
14288 (struct tree_omp_clause): Declare.
14289 (union tree_node): Add field 'omp_clause'.
14290 * treestruct.def (TS_OMP_CLAUSE): Define.
14291 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14292 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14293 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14294 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14295 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14296 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14297 (OMP_CLAUSE): Define.
14298 * print-tree.c (print_node): Handle OMP_CLAUSE.
14299 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14300 * c-typeck.c: Likewise.
14301 * gimplify.c: Likewise.
14302 * c-omp.c: Likewise.
14303 * tree-nested.c: Likewise.
14304 * tree-inline.c: Likewise.
14305 * c-parser.c: Likewise.
14306 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14309 2006-01-25 Roger Sayle <roger@eyesopen.com>
14311 PR rtl-optimization/25703
14312 * combine.c (try_combine): Handle zero_extract and strict_low_part
14313 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14315 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14317 * global.c: Fix comment typos.
14319 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14322 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14323 Use output_addr_const instead of assemble_name.
14325 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14327 * Makefile.in (sched-vis.o): Update dependencies.
14328 * haifa-sched.c (sched_finish): Clear current_sched_info.
14329 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14330 (dump_flow_info): Call it.
14331 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14333 * basic-block.h (dump_bb_info): Declare.
14334 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14335 option, and apply options only for dump files whose TDF_RTL,
14336 TDF_TREE, or TDF_IPA bits match.
14337 * rtl.h: Declare new functions exported from sched-vis.c.
14338 * sched-vis.c: Enable also if scheduling is not used.
14339 (print_value): Print the mode of registers if not inside scheduling.
14340 (print_insn): Make it work outside the scheduler. Beautify the output
14342 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14344 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14346 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14347 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14348 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14349 depending on the value of CONSTANT_POOL_ADDRESS_P.
14350 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14352 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14353 rather than SYMBOL_REF_DECL.
14354 (rtx_constant_pool): Remove const_rtx_sym_htab.
14355 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14356 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14357 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14358 Remove handling of const_rtx_sym_htab.
14359 (find_pool_constant): Delete.
14360 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14361 rather than find_pool_constant.
14362 (get_pool_constant_for_function): Delete.
14363 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14364 find_pool_constant.
14365 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14366 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14367 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14368 (SYMBOL_REF_CONSTANT): New macro.
14369 (get_pool_constant_for_function): Delete.
14370 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14371 rather than SYMBOL_REF_DECL.
14372 (i386_pe_mark_dllimport): Likewise.
14373 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14374 rather than SYMBOL_REF_DECL.
14375 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14376 (machopic_indirect_call_target): Likewise.
14378 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14380 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14382 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14384 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14386 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14388 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14390 2006-01-24 David Daney <ddaney@avtrex.com>
14393 * configure.ac (enable_tls): New enable option.
14394 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14395 * configure: Regenerate.
14396 * doc/install.texi (--enable-tls): Document new option.
14397 (--disable-tls): Ditto.
14399 2006-01-24 Richard Henderson <rth@redehat.com>
14401 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14402 * alias.c (true_dependence): Respect it.
14403 (canon_true_dependence, write_dependence_p): Likewise.
14404 * builtins.c (get_builtin_sync_mem): Set it.
14406 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14408 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14411 2006-01-24 DJ Delorie <dj@redhat.com>
14413 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14414 for storing constants in single-bit bitfields.
14416 2006-01-25 Ben Elliston <bje@au.ibm.com>
14418 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14420 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14423 * tree-ssa-pre.c (phi_translate): Return NULL
14424 for AGGREGATE_TYPE's.
14426 2006-01-24 Zack Weinberg <zackw@panix.com>
14428 * genautomata.c (process_state_for_insn_equiv_partition):
14429 Use xcalloc for insn_arcs_array.
14430 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14431 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14433 2006-01-24 Richard Henderson <rth@redhat.com>
14435 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14436 update all callers.
14438 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14440 PR rtl-optimization/25890
14441 PR rtl-optimization/25905
14442 * combine.c (expand_compound_operation, expand_field_assignment):
14443 Fail if the bitfield's final position is out of bounds.
14445 2006-01-24 Ian Lance Taylor <ian@airs.com>
14447 PR middle-end/25930
14448 * cgraphunit.c (cgraph_output_in_order): Don't clear
14449 cgraph_asm_nodes until after asm strings have been output.
14451 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14453 * fix-header.c (read_scan_file): Add new parameter imultilib when
14454 calling register_include_chains.
14456 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14458 * omp-low.c: Update documentation.
14460 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14461 Daniel Berlin <dberlin@dberlin.org>
14465 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14466 return from the function.
14468 2006-01-22 Zack Weinberg <zackw@panix.com>
14470 * rtl.def (match_code): Add second argument.
14471 * genpreds.c (write_extract_subexp): New function.
14472 (write_match_code): Add path argument. Use write_extract_subexp.
14473 (write_predicate_expr): Pass path to write_match_code.
14474 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14475 not perform a mode test.
14476 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14477 a subexpression does not constrain the top-level code set.
14478 * read-rtl.c (read_rtx_variadic): New function.
14479 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14480 * doc/md.texi: Document new notation.
14481 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14482 (cmpsi_operand): ... here, using new notation.
14484 2006-01-22 Zack Weinberg <zackw@panix.com>
14486 * varray.c: Remove GENERATOR_FILE #ifdefs.
14488 2006-01-22 Zack Weinberg <zackw@panix.com>
14490 * genautomata.c (output_reserved_units_table): Emit nothing if
14491 description->query_units_num is zero. Remove extra blank line.
14492 (output_cpu_unit_reservation_p): Short circuit
14493 if description->query_units_num is zero.
14495 2006-01-22 Zack Weinberg <zackw@panix.com>
14497 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14498 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14499 nor any of the random handful of variables that used to be necessary
14500 when this program was linked with rtlanal.o. Prune set of forward
14501 function declarations.
14502 (struct attr_desc): Remove static_p field.
14503 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14504 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14505 (attr_string): Do not read the character one past the length of
14507 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14508 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14509 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14510 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14511 (make_automaton_attrs): New.
14512 (main): Do not call into genautomata. Call local gen_bypass
14513 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14514 Remove special case for insn_alts.
14515 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14516 varray.h (leftover from previous change). Prune set of forward
14517 function declarations. Remove state_alts fields from all
14518 structures. Remove state_alts_table from struct automaton.
14519 Make everything except main static. Do not maintain num_dfa_decls.
14520 Do not maintain state_alts fields of various structures.
14521 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14522 (add_arc): Remove state_alts argument. All callers updated.
14523 (output_reserved_units_table): Emit #ifdef here...
14524 (output_tables): ...not here. Don't generate state_alts tables.
14525 (expand_automata): Don't generate attributes.
14526 (write_automata): Don't generate state_alts functions.
14527 (main): New function.
14528 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14529 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14530 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14531 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14532 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14533 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14534 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14535 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14537 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14538 * genattrtab.h: Delete file.
14539 * Makefile.in (OBJS-common): Add insn-automata.o.
14540 (insn-automata.o): New rule.
14541 (simple_generated_c): Add insn-automata.c.
14542 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14543 (genprogmd): Add automata.
14544 (build/genattrtab): Needs no extra objects nor libraries.
14545 (build/genautomata): Needs build/vec.o and -lm.
14547 2006-01-22 Zack Weinberg <zackw@panix.com>
14549 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14550 (output_dfa_max_issue_rate, locked_states_num): Delete.
14551 (struct automaton): Add locked_states field.
14552 (output_dead_lock_vect): Save number of locked states in
14553 automaton->locked_states. If it is zero, don't print anything.
14554 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14555 (output_internal_dead_lock_func): Only test the dead_lock_vect
14556 for automata that have locked states.
14557 (output_statistics): Always print the number of locked states for
14558 each automaton. Calculate total number of locked states here.
14559 (write_automata): Don't call output_dfa_max_issue_rate.
14560 * genattrtab.c: Define length_unit_log as a const variable.
14561 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14562 max_insn_queue_index const.
14563 * final.c (length_unit_log): Declare const.
14564 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14566 2006-01-22 Zack Weinberg <zackw@panix.com>
14568 * genautomata.c: Include vec.h, not varray.h.
14569 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14570 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14571 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14572 VEC_* macros operating on appropriately typed vectors, or to
14573 malloced arrays when the size is known in advance. Const-ify
14574 many char* variables and function arguments. No functional changes.
14575 * Makefile.in (build/varray.o): Delete rule.
14576 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14577 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14579 2006-01-22 Zack Weinberg <zackw@panix.com>
14581 * gensupport.c: Define get_insn_name and record_insn_name here.
14582 (read_md_rtx): Call record_insn_name as appropriate.
14583 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14584 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14585 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14587 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14588 (BUILD_VARRAY): Delete.
14589 (genprognormal): Rename genprogmd. Fold in all programs from
14590 genprognoprint; also attrtab.
14591 (build/genattrtab): Just mention genautomata.o and varray.o.
14592 Reorganize a bit, add comments to make the categories clearer.
14594 2006-01-22 Zack Weinberg <zackw@panix.com>
14596 * genconditions.c (condition_table, add_condition): Delete.
14597 (write_conditions): Don't emit n_insn_conditions nor
14598 insn_elision_unavailable. Issue the gcc version #ifdef here,
14599 inside the table, with no #else clause ...
14600 (write_header): ...not here.
14601 (write_writer): New function.
14602 (main): Don't initialize condition_table. Use add_c_test.
14604 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14605 files on the command line.
14606 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14607 Return -1 if there is no entry in the table, don't abort.
14608 (add_c_test, traverse_c_tests): New functions.
14609 * gensupport.h (insn_elision_unavailable, insn_conditions)
14610 (n_insn_conditions): Delete declarations.
14611 (add_c_test, traverse_c_tests): Declare.
14612 * read-rtl.c: Include gensupport.h.
14613 (read_conditions): New function.
14614 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14615 (read_rtx_1): If we get EOF when we were looking for an initial
14616 open paren, return 0. Call read_conditions when appropriate.
14617 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14618 dummy-conditions.o. Eliminate references to insn-conditions.o,
14619 or change them to build/gencondmd.o, as appropriate. Remove
14620 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14621 from $(simple_generated_c). For all files remaining in those
14622 two lists, add insn-conditions.md to the generator command line.
14623 Give insn-constants.h/s-constants their own rules. Add rules
14624 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14625 (build/read-rtl.o): Depend on gensupport.h.
14626 (genprognormal): Include preds.
14627 (genprogearly): Rename genprognoprint; only difference is now that
14628 they don't link with $(BUILD_PRINT).
14629 * dummy-conditions.c: Delete.
14631 2006-01-22 Zack Weinberg <zackw@panix.com>
14633 * genextract.c: Don't include insn-config.h. Do include vec.h.
14634 Declare vectors of int, char, and locstr.
14635 (locstr): New typedef.
14636 (struct extraction): Make all array fields into bare pointers.
14637 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14638 (insn_code_number): Delete.
14639 (accum_extract): New struct.
14640 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14641 (gen_insn): Take insn_code_number as an argument. Use an
14642 accum_extract structure instead of loading data directly into
14643 a struct extraction, and having to know how big it might get.
14644 (walk_rtx): Operate entirely on an accum_extract structure.
14645 (print_path): Avoid unnecessary use of printf.
14646 (print_header): New function, split out of main. Distinguish
14647 more carefully between an unrecognizable insn and an insn that
14648 has the code number of a define_expand.
14649 (main): Pass insn_code_number to gen_insn. Call print_header
14650 only after parsing. Avoid unnecessary use of printf.
14651 * Makefile.in (build/vec.o): New rule.
14652 (build/genextract): Depend on build/vec.o.
14653 (build/genextract.o): Don't depend on insn-config.h.
14655 2006-01-22 Zack Weinberg <zackw@panix.com>
14657 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14658 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14659 practical. Eliminate per-generator-program link rules.
14661 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14663 PR middle-end/24437
14664 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14665 with a call expr to ...
14666 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14668 2006-01-23 Richard Guenther <rguenther@suse.de>
14670 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14671 before make_edge with conditional EDGE_TRUE_VALUE.
14673 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14674 Jan Hubicka <jh@suse.cz>
14675 Richard Guenther <rguenther@suse.de>
14677 PR rtl-optimization/25654
14678 * cfgexpand.c (aggregate_contains_union_type): New function.
14679 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14680 for structure variables that contain a union type.
14682 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14684 * gengtype.c (new_structure): Return the structure.
14685 (create_option): Add an extra "next" argument.
14686 (create_field): New function.
14687 (adjust_field_rtx_def): Use create_option and create_field.
14688 Remove a now-unnecessary call to find_structure.
14689 (adjust_field_tree_def): Likewise.
14690 (note_yacc_type): Remove an unnecessary call to find_structure.
14691 * gengtype.h (new_structure): Return the structure.
14692 (create_option): Add an extra argument.
14693 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14694 (option): Adjust calls to create_option.
14696 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14698 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14700 2006-01-22 Paul Brook <paul@codesourcery.com>
14701 Peter Barada <peter@the-baradas.com>
14703 * config/m68k/m68k.md: Add Coldfire FPU support.
14704 Define FP mode macro and associated attributes.
14705 Use it for float mode patterns.
14706 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14707 (LIBCALL_VALUE): Use m68k_libcall_value.
14708 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14709 (m68k_function_value): Ditto.
14710 (emit_move_sequence): Ditto.
14711 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14712 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14713 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14714 (MULTILIB_EXCEPTIONS): Ditto.
14715 * config/m68k/m68k.opt: Add mcfv4e.
14716 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14717 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14718 (m68k_output_function_prologue): Save ColdFire FPU registers.
14719 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14720 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14721 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14722 ColdFire FPU registers.
14723 (m68k_libcall_value, m68k_function_value): New functions.
14724 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14725 (LIBCALL_VALUE): Use m68k_libcall_value.
14726 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14727 (MASK_COLDFIRE): Add MASK_CFV4E.
14728 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14729 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14730 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14731 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14732 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14733 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14734 * doc/invoke.tex: Document -mcfv4e on m68k.
14736 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14738 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14741 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14744 * c-opts.c (c_common_handle_option): Don't include
14745 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14746 * doc/invoke.texi (C++ Dialect Options): Document that
14747 -Wnon-virtual-dtor is no longer included in -Wall.
14749 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14751 * gcov.c (print_version), gcov-dump.c (print_version),
14752 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14755 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14757 * df-scan.c (problem_SCAN): Added NULL reset function.
14758 (df_scan_reset_blocks): Added code to call reset block function
14759 (df_bb_refs_delete) Fixed comment.
14760 (df_insn_refs_delete): Made tolerant of deleting non existent info
14761 for dataflow problems that need to be reset.
14762 * df-core.c (df_set_blocks): Ditto.
14763 * df.h (struct df_problem): Added reset_fun.
14764 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14765 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14766 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14767 functions to clear out all references to def-use or use-def chains.
14769 2006-01-21 Ben Elliston <bje@au.ibm.com>
14771 * varasm.c (assemble_real): Initialise data array.
14773 2006-01-20 Paul Brook <paul@codesourcery.com>
14775 Merge from csl-arm-branch.
14776 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14777 * config/arm/arm.md (movdi): Force operands[1] to a register
14778 if we have a non-register source.
14779 (*arm_movdi, *movdf_soft_insn): Require that one of the
14780 operands be a register.
14781 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14782 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14784 2006-01-20 DJ Delorie <dj@redhat.com>
14786 * varasm.c (initializer_constant_valid_p): Allow pointers
14787 initialized from integer constants of lesser precision.
14788 (output_constant): Allow non-int-sized pointer modes to be
14789 initialized from integer constants.
14791 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14794 * cppdefault.h (struct default_include): Add multilib flag.
14795 * cppdefault.c (cpp_include_defaults): Set it.
14796 * c.opt (-imultilib): New option.
14797 * c-opts.c (imultilib): New.
14798 (c_common_handle_option): Handle -imultilib.
14799 (c_common_post_options): Likewise.
14800 * c-incpath.c (add_standard_paths, register_include_chains):
14802 * c-incpath.h (register_include_chains): Add extra parameter.
14803 * gcc.c (do_spec_1): Generate -imultilib option.
14804 (The Specs Language): Update %I description.
14805 (process_command): Update copyright notice.
14806 * doc/cppopts.texi (-imultilib): Document.
14807 * doc/invoke.texi (-imultilib): Include in option summary.
14808 (%I): Update specs documentation.
14810 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14812 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14814 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14816 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14819 2006-01-20 Richard Guenther <rguenther@suse.de>
14820 Steven Bosscher <stevenb.gcc@gmail.com>
14822 PR rtl-optimization/24626
14823 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14824 EDGE_TRUE_VALUE if in RTL mode.
14827 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14828 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14830 2006-01-20 Dirk Mueller <dmueller@suse.com>
14833 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14834 instead of a special NOP marker.
14835 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14836 NOP marker handling.
14837 * c-common.h (empty_body_warning): Add forward declaration.
14838 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14839 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14841 2006-01-20 Paul Brook <paul@codesourcery.com>
14843 * Makefile.in (lang_checks): Keep going if mkdir fails.
14845 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14847 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14848 be able to clean out basic block when not necessary.
14849 (df_scan_free): Fixed to properly delete information if df is
14850 unused before calling df_finish.
14851 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14852 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14854 (df_bb_refs_delete): New function.
14855 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14856 * df-core.c (df_set_blocks): Added code to properly clean out
14857 unused blocks if they are not part of the blocks to consider.
14858 Added additional null check.
14859 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14860 be able to clean out basic block when not necessary
14861 * df.h (df_free_bb_function): Ditto.
14862 (df_bb_refs_delete): New function.
14863 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14864 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14865 basic block parameter to be able to clean out basic block when not
14867 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14868 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14869 Fixed to properly delete information if df is unused before
14872 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14874 PR rtl-optimization/25799
14875 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14876 Corrected confluence operator to remove bits from op2 before oring
14877 with op1 rather than removing bits from op1.
14878 (df_ru_transfer_function): Corrected test on wrong bitmap which
14879 caused infinite loop. Both of these problems were introduced in
14880 the dataflow rewrite.
14882 2006-01-19 DJ Delorie <dj@redhat.com>
14884 * reload1.c (find_reload_regs): Note the details of reload
14885 failures in the dump file.
14886 (spill_failure): Likewise.
14888 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14890 * loop-iv.c: Include df.h and hashtab.h.
14891 (enum iv_grd_result): New enum.
14892 (DF_REF_IV, DF_REF_IV_SET): New macros.
14893 (struct biv_entry): New.
14894 (df, bivs): New global variables.
14895 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14896 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14898 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14899 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14900 analyzed_for_bivness_p, record_biv): New functions.
14901 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14902 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14903 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14905 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14907 (iv_number_of_iterations): Use new interface to iv analysis.
14908 * loop-unroll.c: Do not include varray.h.
14909 (analyze_iv_to_split_insn): Use new interface to iv
14911 * loop-unswitch.c (may_unswitch_on): Ditto.
14912 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14914 (df_bb_modify): Realloc tables to the new index.
14915 (df_find_use): New function.
14916 * df.h (df_find_use): Declare.
14917 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14919 * cfgloop.h (struct rtx_iv): Remove analysed field.
14920 (iv_get_reaching_def): Removed.
14921 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14922 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14923 (loop-iv.o): Add df.h and hashtab.h dependency.
14924 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14926 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14929 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14931 (__floatundisf, __floatundidf): Likewise.
14932 * libgcc2.h (IS_IBM_EXTENDED): Define.
14934 2006-01-19 DJ Delorie <dj@redhat.com>
14936 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14938 2006-01-19 Paul Brook <paul@codesourcery.com>
14940 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14941 as nothrow when unwinding tables are disabled.
14943 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14946 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14947 of bit-field" when in system header.
14949 2006-01-19 DJ Delorie <dj@redhat.com>
14951 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14952 the 16 bit shift limit of the m16c.
14954 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14957 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14958 * config/i386/i386.c (output_set_got): Output the label if we have one
14959 for the TARGET_DEEP_BRANCH_PREDICTION case.
14961 2006-01-19 Jan Hubicka <jh@suse.cz>
14962 H.J. Lu <hongjiu.lu@intel.com>
14963 Evandro Menezes <evandro.menezes@amd.com>
14965 * invoke.texi (generic): Document
14967 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14968 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14969 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14970 (x86_use_incdec, x86_pad_returns): New variables
14971 (TARGET_CPU_DEFAULT_generic): New constant
14972 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14973 (enum processor_type): Add generic32 and generic64.
14974 * i386.md (cpu attribute): Add generic32/generic64
14975 (movhi splitter): Behave sanely when both partial_reg_dependency and
14976 partial_reg_stall are set.
14977 (K8 splitters): Enable for generic as well.
14978 * predicates.md (incdec_operand): Use TARGET_INCDEC
14979 (aligned_operand): Avoid memory mismatch stalls.
14980 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14981 * ppro.md: Enable for generic32
14982 * i386.c (generic64_cost, generic32_cost): New.
14983 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14984 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14985 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14986 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14987 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14988 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14989 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14990 x86_accumulate_outgoing_args, x86_prologue_using_move,
14991 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14992 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14993 Enable for generic.
14994 (x86_use_incdec, x86_pad_returns): New.
14995 (override_options): Add generic32 and generic64, translate "generic"
14996 to generic32/generic64 and "i686" to "generic32", refuse
14997 "generic32"/"generic64" as arch target.
14998 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14999 (ix86_reorg): Honor PAD_RETURNS.
15001 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15003 * tree-pretty-print.c (dump_generic_node): Handle
15004 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15005 * cgraph.c (cgraph_expand_queue): Rename from
15006 cgraph_analyze_queue. Update all users.
15007 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15008 cgraph_expand_queue.
15009 (cgraph_expand_all_functions): Likewise.
15010 (cgraph_finalize_pending_functions): Remove. Update callers.
15012 * tree.h (OMP_DIRECTIVE_P): Define.
15013 (OMP_PARALLEL_FN): Define.
15014 (OMP_PARALLEL_DATA_ARG): Define.
15015 (OMP_SECTIONS_SECTIONS): Define.
15016 * tree-pass.h (pass_expand_omp): Declare.
15017 * omp-low.c (struct omp_region): Declare.
15018 (struct omp_context): Remove fields 'parallel_type',
15019 'parallel_start_ix' and 'parallel_start_additional_args'.
15021 (struct omp_for_data): Rename from struct expand_omp_for_data.
15022 (omp_regions): New static variable.
15023 (root_omp_region): New static variable.
15024 (find_omp_clause): Make static.
15025 (is_in_combined_parallel_ctx): Remove.
15026 (is_combined_parallel): New.
15027 (extract_omp_for_data): Move earlier in the file.
15028 (workshare_safe_to_combine_p): New.
15029 (get_ws_args_for): New.
15030 (determine_parallel_type): Move earlier in the file.
15031 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15033 (omp_copy_decl): Likewise.
15034 (create_omp_child_function): Likewise.
15035 (lookup_omp_region): New.
15036 (dump_omp_region): New.
15037 (debug_omp_region): New.
15038 (debug_all_omp_regions): New.
15039 (new_omp_region): New.
15040 (scan_omp_parallel): If parallel_nesting_level > 1, the
15041 directive is nested within another parallel directive.
15042 Set OMP_PARALLEL_FN.
15043 (scan_omp_for): Do not try to handle combined parallel+for
15045 Remove FIXME comment.
15046 (scan_omp_nested): Remove.
15047 (scan_omp_1): Do not call scan_omp_nested when
15048 parallel_nesting_level is > 1.
15049 Do not change the DECL_CONTEXT of local variables found.
15050 (lookup_decl_in_outer_ctx): New.
15051 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15052 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15053 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15054 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15055 If CTX is nested, lookup VAR in the outer context when
15056 building copy assignment.
15057 (lower_send_clauses): Rename from expand_send_clauses.
15058 If CTX is nested, lookup VAR in the outer context when
15059 building copy assignments.
15060 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15061 If CTX is nested, lookup VAR in the outer context when
15062 building copy assignments.
15063 (expand_parallel_call): Rename from build_parallel_call.
15064 Handle combined parallel+workshare cases.
15065 Re-implement to emit code into the CFG.
15067 (expand_omp_parallel): Re-implement to emit code into the CFG.
15068 Call move_sese_region_to_fn to outline the sub-graph
15069 containing the parallel region.
15070 (expand_omp_for_1): Remove.
15071 (expand_omp_for_generic): Re-implement to emit code into the
15073 (expand_omp_for_static_nochunk): Likewise.
15074 (expand_omp_for_static_chunk): Likewise.
15075 (expand_omp_for): Likewise.
15076 (expand_omp_sections): Likewise.
15077 (remove_exit_barriers): New.
15078 (expand_omp_synch): New.
15080 (build_omp_regions_1): New.
15081 (build_omp_regions): New.
15082 (execute_expand_omp): New.
15083 (gate_expand_omp): New.
15084 (pass_expand_omp): Define.
15085 (lower_omp_sections): Rename from expand_omp_sections.
15086 Set OMP_SECTIONS_SECTIONS.
15087 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15088 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15089 (lower_omp_single): Rename from expand_omp_simple.
15090 (lower_omp_master): Rename from expand_omp_master.
15091 (lower_omp_ordered): Rename from expand_omp_ordered.
15092 (lower_omp_critical): Rename from expand_omp_critical.
15093 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15094 (lower_omp_for): Re-implement.
15095 (lower_omp_parallel): Re-implement.
15096 (lower_regimplify): Rename from expand_regimplify.
15097 (lower_omp_1): Rename from expand_omp_1.
15098 If there are syntax errors in the program, replace every
15099 OpenMP directive with NOP.
15100 Call lower_omp_* instead of expand_omp_*.
15101 (lower_omp): Rename from expand_omp.
15103 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15104 * tree-gimple.h (enum omp_parallel_type): Remove.
15105 (gimple_boolify): Declare extern.
15106 (find_omp_clause, determine_parallel_type): Remove.
15108 * gimple-low.c (lower_omp_directive): New.
15109 (lower_stmt): Call it.
15110 (record_vars_into): Move from ...
15111 (record_vars): ... here.
15112 Call record_vars_into with current_function_decl.
15114 * gimplify.c (struct gimplify_ctx): Remove fields
15115 combined_pre_p and combined_ctxp. Update users.
15116 (get_formal_tmp_var): Add documentation.
15117 (gimple_boolify): Make extern.
15118 (gimplify_expr_in_ctx): Remove. Update callers.
15119 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15120 will always be a BIND_EXPR.
15121 (gimplify_expr): Handle OMP_RETURN_EXPR.
15122 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15123 (OMP_PARALLEL): Add 3 operands.
15124 (OMP_SECTIONS): Add 1 operand.
15125 (OMP_RETURN_EXPR): Define.
15127 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15128 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15129 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15130 creating a circular free list.
15131 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15133 * tree-flow.h (move_sese_region_to_fn): Declare.
15134 (record_vars_into): Declare.
15135 * tree-cfg.c (make_omp_sections_edges): New.
15136 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15137 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15138 OMP_SECTIONS and OMP_SECTION.
15139 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15140 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15141 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15142 (gather_blocks_in_sese_region): New.
15143 (struct move_stmt_d): Declare.
15144 (move_stmt_r): New.
15145 (move_block_to_fn): New.
15146 (move_sese_region_to_fn): New.
15148 * passes.c (init_optimization_passes): Schedule
15149 pass_expand_omp after pass_init_datastructures.
15151 * tree-ssa-operands.c (get_expr_operands): Handle
15152 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15153 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15155 2006-01-19 Jeff Law <law@redhat.com>
15157 * tree-vrp.c (extract_range_from_assert): Refine the result range
15158 if the variable referenced by the ASSERT_EXPR has a range and
15159 either the tentative result range or the previous range is a
15162 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15164 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15166 2006-01-19 Jan Hubicka <jh@suse.cz>
15168 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15170 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15172 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15173 (expand_compound_operation, expand_field_assignment): Fail if the
15174 bit lengths of an extract operation are out of range.
15175 (make_extraction): Compute wanted_inner_mode based on the position
15176 and length of the extraction. Make it extraction_mode for non-constant
15177 positions, and do not modify offset in that case. When generating a
15178 new MEM, use a mode that can hold the extraction while keeping correct
15179 alignment. Remove code that supported MEMs wrapped by USEs.
15180 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15182 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15184 * config/s390/s390.md ("Y", "y"): New mode attribute.
15185 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15186 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15187 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15188 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15189 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15190 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15191 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15192 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15193 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15194 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15195 "addsi3", "subsi3"): Insn patterns removed.
15196 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15197 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15198 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15199 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15200 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15201 "*sub<mode>3_cconly2"): New insn patterns.
15202 ("addsi3", "subsi3"): New expanders.
15204 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15206 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15207 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15208 existing STMT_VINFO_VECTYPE if available.
15209 (vect_mark_relevant): Add special handling for stmts that are
15210 marked as STMT_VINFO_IN_PATTERN_P.
15211 (vect_analyze_loop): Call vect_pattern_recog.
15212 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15213 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15215 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15216 (vect_recog_func_ptr): New function-pointer type.
15217 * tree-vect-patterns.c: New file.
15218 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15219 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15220 (vect_pattern_recog_1): New functions.
15221 (vect_pattern_recog_funcs): New array of function pointers.
15223 * tree-vectorizer.h (ternary_op): New enum value.
15224 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15225 declaration. Revised documentation. Removed redundant dump prints.
15226 Removed redundant argument. Added support for reduction patterns.
15227 (vectorizable_reduction): Added support for reduction patterns.
15228 (vect_transform_stmt): Added support for patterns.
15230 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15231 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15232 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15233 (expand_widen_pattern_expr): New function.
15234 (init_optabs): Initialize new optabs udot_prod_optab,
15236 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15237 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15238 (expand_widen_pattern_expr): New function declaration.
15239 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15241 * tree-inline.c (estimate_num_insns_1): Added cases for new
15242 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15243 * tree-pretty-print.c (dump_generic_node): Likewise.
15244 (op_prio): Likewise.
15245 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15246 * tree-ssa-operands.c (get_expr_operands): Added case for
15248 * tree-vect-patterns.c (widened_name_p): New function.
15249 (vect_recog_dot_prod_pattern): Added function implementation.
15250 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15251 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15252 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15253 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15255 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15256 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15257 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15258 (init_optabs): Initialize new optabs widen_ssum_optab,
15260 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15261 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15262 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15263 use instead of type of def.
15264 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15265 function implementation.
15266 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15267 widen_ssumv8hi): New.
15269 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15272 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15275 * c-decl.c (add_flexible_array_elts_to_size): New function.
15276 (finish_decl): Use it.
15278 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15280 * diagnostic.h: Include options.h.
15281 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15282 dependancies for diagnostic.h.
15283 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15285 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15287 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15288 (ssa_ro_call_cache_valid): Ditto.
15289 * tree-ssa-alias.c (sort_tags_by_id): New function.
15290 (init_transitive_clobber_worklist): Ditto.
15291 (add_to_worklist): Ditto.
15292 (mark_aliases_call_clobbered): Ditto.
15293 (compute_tag_properties): Ditto.
15294 (set_initial_properties): Ditto.
15295 (compute_call_clobbered): Ditto.
15296 (compute_may_aliases): Call compute_call_clobbered and grouping.
15297 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15298 (compute_flow_insensitive_aliasing): Grouping now happens in our
15300 (setup_pointers_and_addressables): Remove clobbering related code.
15301 (add_may_alias): Ditto.
15302 (replace_may_alias): Ditto.
15303 (get_nmt_for): Ditto.
15304 (create_global_var):
15305 (is_escape_site): Return an escape_type enumeration.
15306 * tree-flow-inline.h (is_call_clobbered): Global var does not
15307 imply call clobbered.
15308 (mark_call_clobbered): Take a reason for marking this. Remove
15309 marking of globalness, and cache invalidation.
15310 (clear_call_clobbered): Remove cache invalidation code.
15311 * tree-dfa.c (dump_variable): If details is on, dump the reason
15313 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15315 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15316 (struct var_ann_d): Ditto.
15317 (enum escape_type): New.
15318 (mark_call_clobbered): Adjust prototype.
15319 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15320 are never call clobbered.
15321 Record reasons for escaping.
15322 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15323 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15324 (ssa_ro_call_cache_valid): Ditto.
15325 (clobbered_v_may_defs): Ditto.
15326 (clobbered_vuses): Ditto.
15327 (ro_call_vuses): Ditto.
15328 (clobber_stats): New.
15329 (init_ssa_operands): Zero out clobber stats.
15330 (fini_ssa_operands): Print out clobber stats.
15331 (get_call_expr_operands): Pass callee fndecl to
15332 add_call_read_ops).
15333 (add_call_clobber_ops): Remove use of cache.
15334 Add use of PURE_CONST information.
15335 (add_call_read_ops): Remove use of cache.
15336 Add use of static not_read information.
15338 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15340 Introduce TLS descriptors for i386 and x86_64.
15341 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15342 (TARGET_ANY_GNU_TLS): New macro.
15343 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15344 (struct machine_function): Add tls_descriptor_call_expanded_p.
15345 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15346 (ix86_current_function_calls_tls_descriptor): Likewise.
15347 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15348 (override_options): Introduce gnu2 tls dialect.
15349 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15351 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15353 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15354 (ix86_init_machine_status): Initialize new field.
15355 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15356 (ix86_tls_module_base): New.
15357 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15358 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15359 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15360 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15361 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15362 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15363 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15364 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15365 * config/i386/predicates.md (tls_modbase_operand): New.
15366 (tp_or_register_operand): New.
15368 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15370 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15371 (look_for_address_of): Ditto.
15372 (ipa_init): Walk the function decls.
15373 (static_execute): Don't set readonly on FUNCTION_DECL's.
15375 2006-01-18 Roger Sayle <roger@eyesopen.com>
15377 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15378 for shifts where the source and destination registers are different.
15380 2006-01-18 Paul Brook <paul@codesourcery.com>
15382 Merge from csl-arm-branch.
15383 2005-03-14 Julian Brown <julian@codesourcery.com>
15384 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15385 (aeabi_llsl): Likewise.
15386 (ashrdi3): Likewise.
15387 (aeabi_lasr): Likewise.
15388 (lshrdi3): Likewise.
15389 (aeabi_llsr): Likewise.
15390 2005-03-10 Julian Brown <julian@codesourcery.com>
15391 * config.gcc: Disable shared libgcc for SymbianOS.
15392 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15394 2006-01-18 DJ Delorie <dj@redhat.com>
15396 * c-pragma.c (handle_pragma_diagnostic): New.
15397 (init_pragma): Register it.
15398 * doc/extend.texi: Document it.
15400 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15401 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15402 (diagnostic_context): Add classify_diagnostic[].
15403 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15404 as errors if they're overridden to DK_WARNING.
15405 (diagnostic_initialize): Initialize classify_diagnostic[].
15406 (diagnostic_set_kind_override): New.
15407 (diagnostic_report_diagnostic): Check for kind changes.
15408 * opts.c (common_handle_option): Take lang_mask. Update callers.
15409 Handle OPT_Werror_.
15410 * common.opt (Werror=): New.
15411 * doc/invoke.texi: Document -Werror=*
15413 2006-01-18 Jeff Law <law@redhat.com>
15415 * tree-vrp.c (test_for_singularity): Correct test for new
15416 min limit. Use operand_equal_p rather than pointer equality
15417 for testing if new min/max values are equal.
15419 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15420 using range information until after propagation and folding.
15422 2006-01-18 Richard Henderson <rth@redhat.com>
15423 Aldy Hernandez <aldyh@redhat.com>
15424 Jakub Jelinek <jakub@redhat.com>
15425 Diego Novillo <dnovillo@redhat.com>
15427 * omp-low.c: New file.
15428 * c-omp.c: New file.
15430 2006-01-18 Richard Henderson <rth@redhat.com>
15431 Jakub Jelinek <jakub@redhat.com>
15432 Diego Novillo <dnovillo@redhat.com>
15434 * doc/invoke.texi: Document -fopenmp.
15435 * tree-dump.h (debug_function): Declare.
15436 * hooks.c (hook_bool_tree_bool_false): New function.
15437 (hook_tree_tree_null): Remove.
15438 (hook_tree_tree_tree_null): New.
15439 * hooks.h: Update to match.
15440 * tree-pretty-print.c (debug_tree_chain): New.
15441 (print_generic_expr): Handle TDF_CHAIN.
15442 (dump_generic_node): Handle BLOCK.
15443 Do not abort with incomplete SWITCH_EXPRs.
15444 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15445 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15446 print space after directive name.
15447 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15448 Handle OMP_MASTER and OMP_ORDERED.
15449 Handle printing of OMP_BODY just in one place, goto
15450 dump_omp_body in the rest of OMP_* nodes that have
15452 Don't handle clause nodes here. Update omp statements to
15453 use dump_omp_clauses.
15454 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15455 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15456 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15457 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15458 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15459 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15460 Adjust output for GOMP_PARALLEL.
15461 (dump_omp_clauses): New.
15462 (print_declaration): Dump DECL_VALUE_EXPR.
15463 (op_symbol_1): Split out of op_symbol.
15464 (dumping_stmts): Remove. Update all users.
15465 * cgraph.c (cgraph_analyze_queue): New.
15466 (cgraph_add_new_function): New.
15467 * cgraph.h (cgraph_analyze_queue): Declare.
15468 (cgraph_add_new_function): Declare.
15469 (cgraph_lower_function): Remove.
15470 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15471 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15472 and TYPE_P nodes in its default clause.
15473 (empty_body_p): New.
15474 (tree_range_check_failed): New.
15475 (build5_stat): New.
15476 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15477 OMP_CLAUSE_REDUCTION_MERGE,
15478 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15479 OMP_CLAUSE_PRIVATE_DEBUG,
15480 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15481 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15482 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15483 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15484 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15485 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15486 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15487 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15488 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15489 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15490 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15491 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15492 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15493 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15494 (TREE_RANGE_CHECK): New.
15495 (empty_body_p): Declare.
15496 (enum omp_clause_default_kind): New.
15497 (build_string_literal): Declare.
15498 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15499 (build5_stat, build5): Declare.
15500 * tree-pass.h (TDF_CHAIN): Define.
15501 * tree-pass.h (PROP_gimple_lomp): Define.
15502 (pass_lower_omp): Declare.
15503 * diagnostic.h (debug_tree_chain): Declare.
15504 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15506 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15507 * builtins.c (build_string_literal): Make extern.
15508 * gcc.c (include_spec_function): New.
15509 (static_spec_functions): Add it.
15510 (main): Move load of libgomp.spec ...
15511 (LINK_COMMAND_SPEC): ... here.
15512 (link_gomp_spec): New.
15513 (static_specs): Include it.
15514 (LINK_COMMAND_SPEC): Add link_gomp.
15515 (GOMP_SELF_SPECS): New.
15516 (driver_self_specs): Include it.
15517 (switch_matches): Don't mark inline.
15518 (main): Load libgomp.spec.
15519 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15520 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15521 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15522 * tree-gimple.h (enum omp_parallel): Declare.
15523 (determine_parallel_type): Declare.
15524 (omp_firstprivatize_variable): Declare.
15525 (omp_reduction_init): Declare.
15526 (diagnose_omp_structured_block_errors): Declare.
15527 (struct walk_stmt_info): Add want_return_expr.
15528 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15529 (find_omp_clause): Declare.
15530 (insert_field_into_struct): Declare.
15531 (struct walk_stmt_info): Move from tree-nested.c
15532 (walk_stmts): Declare.
15533 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15535 * cgraphunit.c (cgraph_lower_function): Make static.
15536 (cgraph_finalize_pending_functions): New.
15537 (cgraph_finalize_function): Call it.
15538 (cgraph_finalize_compilation_unit): Likewise.
15539 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15540 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15541 (BT_FN_UINT_UINT): New.
15542 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15543 DEF_FUNCTION_TYPE_VAR_4): Document.
15544 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15545 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15546 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15547 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15548 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15549 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15550 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15551 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15552 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15553 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15554 into separate files.
15555 (DEF_GOMP_BUILTIN): New.
15556 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15557 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15558 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15559 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15560 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15561 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15562 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15563 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15564 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15565 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15566 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15567 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15568 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15569 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15570 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15571 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15572 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15573 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15574 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15575 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15576 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15577 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15578 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15579 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15580 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15581 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15582 * sync-builtins.def: New file, moved from builtins.def.
15583 * omp-builtins.def: New file, moved from builtins.def.
15584 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15585 * gimple-low.c (lower_function_body): Clear data.
15586 (lower_stmt): Do not handle COMPOUND_EXPR.
15587 Remove call to print_node_brief.
15588 * c-tree.h (c_finish_omp_clauses): New prototype.
15589 (C_DECL_THREADPRIVATE_P): Define.
15590 (lookup_name_no_remap, c_omp_remap_private): Remove
15591 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15592 (check_for_loop_decls): Update decl.
15593 (lookup_name_no_remap, c_omp_remap_private): Declare.
15594 (build_indirect_ref, build_modify_expr, pushdecl,
15595 pushdecl_top_level): Move to c-common.h.
15596 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15597 before the switch, but just in the 2 places that need it.
15598 * c-decl.c (diagnose_mismatched_decls): Do not check for
15599 mismatched thread-local attributes when OLDDECL is marked
15600 threadprivate and NEWDECL has no thread-local attributes.
15601 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15602 (c_gimple_diagnostics_recursively): Rename from
15603 c_warn_unused_result_recursively. Invoke
15604 diagnose_omp_structured_block_errors.
15605 (check_for_loop_decls): Return a singular decl found.
15606 * langhooks.c (lhd_omp_predetermined_sharing): Return
15607 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15608 (lhd_omp_firstprivatize_type_sizes): New.
15609 (lhd_omp_assignment): New.
15610 (lhd_omp_predetermined_sharing): New.
15611 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15612 (struct lang_hooks_for_types): Add
15613 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15614 omp_predetermined_sharing, omp_disregard_value_expr,
15615 omp_private_debug_clause, omp_clause_default_ctor,
15616 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15617 (c_finish_omp_clauses): New.
15618 (c_finish_bc_stmt): Diagnose break within omp for.
15619 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15620 (build_unary_op): Return error_mark after reporting
15622 (build_modify_expr): Likewise.
15623 * gimplify.c: Include optabs.h and pointer-set.h.
15624 (enum gimplify_omp_var_data): Declare.
15625 (struct gimplify_omp_ctx): Declare.
15626 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15628 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15629 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15630 (splay_tree_compare_decl_uid): New.
15631 (new_omp_context): New.
15632 (delete_omp_context): New.
15633 (gimple_add_tmp_var): Call omp_add_variable.
15634 (gimplify_bind_expr): Likewise.
15635 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15636 true, disregard DECL_VALUE_EXPR on the decl if any.
15637 (gimplify_expr_in_ctx): New.
15638 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15639 omp_add_variable, omp_notice_variable, omp_is_private
15640 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15641 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15642 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15643 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15644 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15645 gimplify_omp_atomic): New.
15646 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15647 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15648 OMP_CRITICAL and OMP_ATOMIC.
15649 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15650 * c-pragma.h (enum pragma_kind): Add
15651 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15652 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15653 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15654 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15655 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15656 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15657 PRAGMA_OMP_THREADPRIVATE.
15658 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15659 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15660 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15661 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15662 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15663 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15664 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15665 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15666 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15667 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15668 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15669 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15670 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15672 (struct nesting_info): Add field_map,
15673 suppress_expansion, debug_var_chain.
15674 (create_nesting_tree): Initialize them.
15675 (lookup_field_for_decl): Use field_map.
15676 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15677 (convert_local_omp_clauses): New.
15678 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15679 (walk_body): Split out of walk_function.
15680 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15681 (convert_nonlocal_reference): Handle omp statements.
15682 (convert_local_reference): Likewise.
15683 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15684 (unnest_nesting_tree): New.
15685 (lower_nested_functions): Call it.
15686 (insert_field_into_struct): Make extern.
15687 (struct walk_stmt_info): Move to tree-gimple.h.
15688 (walk_stmts): Make extern.
15689 * omp-builtins.def: New file.
15690 * tree-iterator.c (expr_only): Clarify comment.
15691 * c-common.h (pushdecl_top_level, pushdecl,
15692 build_modify_expr, build_indirect_ref,
15693 c_finish_omp_master, c_finish_omp_critical,
15694 c_finish_omp_ordered, c_finish_omp_barrier,
15695 c_finish_omp_atomic, c_finish_omp_flush,
15696 c_finish_omp_for, c_split_parallel_clauses,
15697 omp_clause_default_kind, c_omp_sharing_predetermined,
15698 c_omp_remap_decl): Declare.
15699 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15700 (OBJS-common): Add omp-low.o.
15701 (c-omp.o, omp-low.o): Add.
15702 (gimplify.o): Add dependency on $(OPTABS_H).
15703 (GTFILES): Add omp-low.c.
15704 (gt-stringpool.h): Add.
15705 * tree-cfg.c (set_bb_for_stmt): Do not update the
15706 block-to-labels map if we are currently expanding to RTL.
15707 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15709 Handle IDENTIFIER_NODE.
15710 (tree_verify_flow_info): Do not ICE when emitting error
15711 messages about invalid labels.
15712 (dump_function_to_file): Reset CFUN before emitting the body
15714 (debug_function): New.
15715 * passes.c (init_optimization_passes): Schedule
15717 * langhooks-def.h (lhd_omp_predetermined_sharing,
15718 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15720 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15721 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15722 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15723 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15724 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15725 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15726 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15727 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15728 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15729 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15730 (LANG_HOOK_DECLS): Use them.
15732 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15733 Richard Henderson <rth@redhat.com>
15734 Jakub Jelinek <jakub@redhat.com>
15735 Diego Novillo <dnovillo@redhat.com>
15737 * c-parser.c (pragma_omp_clause): Define.
15738 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15739 (c_parser_compound_statement): Likewise.
15740 (c_parser_statement): Likewise.
15741 (c_parser_pragma): Handle omp pragmas.
15742 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15743 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15744 (c_parser_omp_clause_name, check_no_duplicate_clause,
15745 c_parser_omp_variable_list,
15746 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15747 c_parser_omp_clause_copyprivate,
15748 c_parser_omp_clause_default,
15749 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15750 c_parser_omp_clause_lastprivate,
15751 c_parser_omp_clause_nowait,
15752 c_parser_omp_clause_num_threads,
15753 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15754 c_parser_omp_clause_reduction,
15755 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15756 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15757 c_parser_omp_atomic, c_parser_omp_barrier,
15758 c_parser_omp_critical, c_parser_omp_flush,
15759 c_parser_omp_for_loop, c_parser_omp_for,
15760 c_parser_omp_master, c_parser_omp_ordered,
15761 c_parser_omp_sections_scope, c_parser_omp_sections,
15762 c_parser_omp_parallel, c_parser_omp_single,
15763 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15764 * c-pragma.c (init_pragma): Do omp pragma registration here.
15765 * c.opt (fopenmp): New flag.
15767 2006-01-18 Eric Christopher <echristo@apple.com>
15769 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15770 * config/darwin.h (GOMP_SELF_SPECS): Define.
15772 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15774 * rtl.h: Remove the prototype for reg_alloc.
15776 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15779 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15780 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15781 sjlj and dwarf2 exception handling.
15782 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15783 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15784 * pa/pa.c (function_value): Treat complex and vector types as
15786 (function_arg): Likewise. Only pass scalar floats in the floating
15787 point argument registers.
15788 * pa/t-slibgcc-dwarf-ver: New file.
15789 * pa/t-slibgcc-sjlj-ver: New file.
15790 * pa/t-slibgcc-elf-ver: Delete file.
15792 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15794 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15795 unlikely_test_section_p test.
15797 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15799 * mode-switching.c (optimize_mode_switching): Make it static.
15800 * basic-block.h: Remove the prototype for
15801 optimize_mode_switching.
15803 * modulo-sched.c (sms_schedule): Make it static.
15804 * rtl.h: Remove the prototype for sms_schedule.
15806 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15807 * rtl.h: Remove the prototype for gcse_after_reload_main.
15809 * reg-stack.c (reg_to_stack): Make it static.
15810 * rtl.h: Remove the prototype for reg_to_stack.
15812 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15814 * rtl.h: Remove the prototypes for regrename_optimize and
15815 copyprop_hardreg_forward.
15817 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15819 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15820 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15821 Test against the appropriate null constant for the mode.
15822 If 'fixup_overlap' is true, swap the operands if they overlap.
15823 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15824 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15825 alpha_split_tmode_pair and adjust for above change.
15826 * config/alpha/alpha.md (movtf_internal): Adjust call to
15827 alpha_split_tfmode_pair and rely on it to swap the operands.
15828 (movti_internal): New insn and post-reload splitter.
15829 (movti): New expander.
15831 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15833 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15836 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15838 * rtlanal.c (global_reg_mentioned_p_1,
15839 global_reg_mentioned_p): Remove.
15840 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15842 * flow.c (initialize_uninitialized_subregs): Make it static.
15843 * rtl.h: Remove the prototype for
15844 initialize_uninitialized_subregs.
15846 * function.c (instantiate_virtual_regs): Make it static.
15847 * function.h: Remove the prototype for
15848 instantiate_virtual_regs.
15850 * regmove.c (regmove_optimize, combine_stack_adjustments):
15852 * rtl.h: Remove the prototypes for regmove_optimize and
15853 combine_stack_adjustments.
15855 2006-01-17 Roger Sayle <roger@eyesopen.com>
15857 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15858 (size_cost): Encode costs in bytes so that a reg-reg addition is
15859 equivalent to COSTS_N_INSNS(1).
15860 (override_options): Use the size_cost.branch_cost as the default
15861 ix86_branch_cost when optimizing for size.
15863 2006-01-18 Ben Elliston <bje@au.ibm.com>
15865 * Makefile.in (D32PBIT_FUNCS): New.
15866 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15867 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15868 D64PBIT_FUNCS and D128PBIT_FUNCS.
15869 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15870 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15872 (decnumber_dep): Define.
15873 * doc/libgcc.texi (Decimal float library routines): New node.
15874 * config/dfp-bit.h, config/dfp-bit.c: New files.
15876 2006-01-18 Ben Elliston <bje@au.ibm.com>
15878 * expr.c (emit_move_change_mode): Always adjust addresses, not
15879 just during reload. Copy replacements only during reload.
15880 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15881 emit_move_via_integer.
15883 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15885 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15886 instead of $(srcdir) and ${srcdir}.
15888 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15891 PR middle-end/11135
15892 * arm.h (struct machine_function): Add pic_reg.
15893 * arm.c (arm_pic_register): Make unsigned.
15894 (arm_override_options): Only set arm_pic_register if
15895 TARGET_SINGLE_PIC_BASE.
15896 (use_return_insn): Only test for a pic register if it is fixed.
15897 (arm_compute_save_reg0_reg12_mask): Likewise.
15898 (thumb_compute_save_reg_mask): Likewise.
15899 (legitimate_pic_operand): Factor out some known invariants.
15900 (legitimize_pic_address): If we don't have a fixed pic register,
15901 then set up a pseudo in the function entry sequence. Handle the
15902 pic base being in a pseudo.
15903 (arm_load_pic_register): Handle the pic register being in a pseudo.
15904 (arm_expand_prologue): Only set up the pic register if it is fixed.
15905 (thumb_expand_prologue): Likewise.
15906 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15907 (pic_load_addr_based_insn): Likewise.
15908 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15911 2006-01-18 Ben Elliston <bje@au.ibm.com>
15913 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15914 decimal float modes for all floating point registers.
15916 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15917 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15919 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15922 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15923 even when the pointer is not NULL.
15925 2006-01-16 Ian Lance Taylor <ian@airs.com>
15927 * common.opt (ftoplevel-reorder): New option.
15928 * cgraph.c (cgraph_asm_nodes): New global variable.
15929 (cgraph_asm_last_node): New static variable.
15930 (cgraph_order): New global variable.
15931 (cgraph_create_node): Set new order field.
15932 (cgraph_varpool_node): Likewise.
15933 (decide_is_variable_needed): Return true if not
15934 flag_toplevel_reorder.
15935 (cgraph_add_asm_node): New function.
15936 * cgraph.h (struct cgraph_node): Add order field.
15937 (struct cgraph_varpool_node): Add order field.
15938 (struct cgraph_asm_node): Define.
15939 (cgraph_asm_nodes, cgraph_order): Declare.
15940 (cgraph_add_asm_node): Declare.
15941 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15943 (cgraph_varpool_assemble_pending_decls): Call it.
15944 (cgraph_output_pending_asms): New static function.
15945 (cgraph_finalize_compilation_unit): Call it.
15946 (struct cgraph_order_sort): Define.
15947 (cgraph_output_in_order): New static function.
15948 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15949 !flag_toplevel_reorder case.
15950 * c-parser.c: Include "cgraph.h".
15951 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15953 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15954 than -fno-unit-at-a-time.
15955 * doc/invoke.texi (Option Summary): Mention
15956 -fno-toplevel-reorder.
15957 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15958 -funit-at-a-time documentation.
15960 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15961 Kazu Hirata <kazu@codesourcery.com>
15963 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15965 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15967 * Makefile.in (FUNCTION_H): New. Use it instead of
15968 function.h throughout the file.
15969 * function.h: Include tree.h.
15971 2006-01-17 Ben Elliston <bje@au.ibm.com>
15973 * recog.c: Separate some functions with whitespace.
15975 2006-01-16 Richard Henderson <rth@redhat.com>
15977 Merge from gomp branch:
15978 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15979 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15980 and rename from struct inline_data. Rename callee* to dst*;
15981 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15982 transform_new_cfg, transform_return_to_modify, and
15983 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15985 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15986 (copy_decl_for_dup): Remove.
15987 * tree-inline.c (struct inline_data): Move to header.
15988 (insert_decl_map): Export.
15989 (remap_decl): Update for member name changes. Use copy_decl hook.
15990 Allow for replacement to be a non-decl. Remove dead code.
15991 (remap_type_1): Check for existing mapping.
15992 (remap_type): Export.
15993 (remap_decls): Update for member name changes.
15994 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15995 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15996 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15997 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15998 (tree_function_versioning, build_duplicate_type): Likewise.
15999 (copy_body_r): Likewise. Export.
16000 (copy_decl_for_dup): Split into ...
16001 (copy_decl_for_dup_finish, copy_decl_to_var,
16002 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16003 (replace_ref_tree, inlining_p): Remove.
16005 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16007 * ifcvt.c (if_convert): Make it static.
16008 * rtl.h: Remove the prototype for if_convert.
16010 * local-alloc.c (local_alloc): Make it static.
16011 * rtl.h: Remove the prototype for local_alloc.
16013 * loop.c (loop_optimize): Make it static.
16014 * cfgloop.h: Remove the prototype for loop_optimize.
16017 2006-01-16 DJ Delorie <dj@redhat.com>
16019 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16022 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16024 * pa.md: Disparage copies between general and floating-point registers
16025 in 32-bit move patterns.
16027 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16030 * Makefile.in (check-%): Depend on site.exp instead of
16031 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16034 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16036 * global.c (global_alloc): Make it static.
16037 * rtl.h: Remove the prototype for global_alloc.
16039 2006-01-16 Richard Guenther <rguenther@suse.de>
16041 * tree-ssa-alias.c (struct used_part): Add write_only field.
16042 (get_or_create_used_part_for): Initialize it to true.
16043 (create_overlap_variables_for): Don't create structure variables
16044 for structures that only are written to.
16045 (find_used_portions): Handle MODIFY_EXPR to track whether a
16046 structure is only written to.
16048 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16050 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16052 * basic-block.h: Remove the prototype for
16053 partition_hot_cold_basic_blocks.
16055 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16057 * cppspec.c (lang_specific_spec_functions): Remove.
16058 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16059 * gcc.h (lang_specific_spec_functions): Remove.
16060 * gccspec.c (lang_specific_spec_functions): Remove.
16062 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16064 * combine.c (record_value_for_reg): Invalidate registers
16066 (record_dead_and_set_regs_1): Likewise, by passing them to
16067 record_value_for_reg.
16068 (record_dead_and_set_regs): Invalidate stores made by a
16069 call. We do not combine across a call, but we still
16070 relied on equivalences.
16072 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16074 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16075 vrp_int_const_binop returning non-constant nodes.
16077 2006-01-16 Paul Brook <paul@codesourcery.com>
16079 * config/m68k/m68k.c (output_move_const_into_data_reg):
16080 Output correct mnemonic for mvz and mvs.
16082 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16084 * rtl-factoring.c: Add sequence abstraction algorithm.
16085 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16086 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16088 (block_has_preserve_label): New function.
16089 * common.opt: Register new pass.
16090 * Makefile.in: Ditto.
16092 * timevar.def: Ditto.
16093 * tree-pass.h: Ditto.
16094 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16095 * rtl.h (make_jump_insn_raw): Add forward decl.
16096 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16098 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16099 Roger Sayle <roger@eyesopen.com>
16101 * fold-const.c (fold_minmax): New static function.
16102 (fold_binary) <MIN_EXPR>: Call it.
16103 <MAX_EXPR>: Likewise.
16104 * stor-layout.c (place_field): Use DECL_SIZE consistently
16105 in the computation of the new record size.
16107 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16109 * cse.c (cse_condition_code_reg): Make it static.
16110 * rtl.h: Remove the prototype for cse_condition_code_reg.
16112 * combine.c (combine_instructions): Make it static.
16113 * rtl.h: Remove the prototype for combine_instructions.
16115 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16118 * tree.c (get_file_function_name_long): Concatenate the first global
16119 object name with a string derived from the input filename of the object
16122 2006-01-16 Ben Elliston <bje@au.ibm.com>
16124 * config/i386/winnt-stubs.c: Update FSF address.
16125 * config/xtensa/ieee754-df.S: Ditto.
16126 * config/xtensa/ieee754-sf.S: Ditto.
16128 2006-01-14 Ian Lance Taylor <ian@airs.com>
16130 * ifcvt.c (noce_init_if_info): New static function, broken out of
16131 noce_process_if_block.
16132 (noce_process_if_block): Call noce_init_if_info.
16133 (check_cond_move_block): New static function.
16134 (cond_move_process_if_block): New static function.
16135 (process_if_block): Call cond_move_process_if_block.
16137 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16139 * cselib.c (hash_table): Rename to cselib_hash_table.
16140 (cselib_clear_table, discard_useless_values,
16141 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16142 cselib_init, cselib_finish): Adjust uses of hash_table.
16144 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16146 PR tree-optimization/25485
16147 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16148 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16149 is known to be false and true, respectively.
16151 2006-01-14 Richard Guenther <rguenther@suse.de>
16153 PR tree-optimization/22548
16154 PR tree-optimization/22555
16155 PR tree-optimization/22501
16156 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16157 * params.def (salias-max-array-elements): New parameter.
16158 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16159 * doc/invoke.texi (salias-max-array-elements): Document.
16160 * tree-flow-inline.h (var_can_have_subvars): We also handle
16162 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16164 * tree-ssa-structalias.c (params.h): Include.
16165 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16166 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16167 (get_constraint_for): For ADDR_EXPR operating on something
16168 containing an ARRAY_REF, add all subvars to the solution.
16169 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16170 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16171 for creating MUST_DEFs.
16172 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16174 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16176 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16178 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16179 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16180 number_of_iterations_le): New functions.
16181 (number_of_iterations_special): Removed.
16182 (number_of_iterations_exit): Do not use number_of_iterations_special.
16183 * tree.c (unsigned_type_for): Always return integer type.
16185 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16186 Richard Guenther <rguenther@suse.de>
16188 PR rtl-optimization/24257
16189 * gcse.c (find_moveable_store): Only consider a store movable
16190 when the SET_SRC of the insn can be assigned to a register.
16192 2006-01-14 Ian Lance Taylor <ian@airs.com>
16194 * tree.c (tree_not_class_check_failed): New function.
16195 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16196 (tree_not_class_check_failed): Declare.
16198 2006-01-13 Ian Lance Taylor <ian@airs.com>
16200 * reload1.c (do_output_reload): Add assertion rejecting a
16203 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16205 * combine.c (struct reg_stat): Add new fields truncation_label and
16207 (record_value_for_reg): Reset truncated_to_mode.
16208 (record_truncated_value): New function.
16209 (check_promoted_subreg): Call it. Rename to check_conversions.
16210 (combine_instructions): Rename check_promoted_subreg to
16212 (reg_truncated_to_mode): New function.
16213 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16214 (gen_lowpart_or_truncate): New function.
16215 (force_to_mode): Use it instead of gen_lowpart.
16217 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16219 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16220 VAR is a tag, not its type tag.
16222 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16224 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16225 alternatives to match style of other entries.
16226 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16228 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16230 PR tree-optimization/25771
16231 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16234 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16237 * tree-inline.c (declare_return_variable): If the return variable
16238 was marked as a non gimple complex, set the return slot variable
16239 to be a non gimple comple variable.
16241 2006-01-13 Richard Guenther <rguenther@suse.de>
16243 * builtins.c (expand_builtin_sincos): New function.
16244 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16246 (expand_builtin): Expand sincos using expand_builtin_sincos.
16248 2006-01-12 DJ Delorie <dj@redhat.com>
16250 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16251 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16252 so that constant shifts can be split.
16253 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16254 (m32c_valid_pointer_mode): Make static.
16255 (shift_gen_func_for): New.
16256 (m32c_prepare_shift): Use it. Split large const shifts into
16258 * config/m32c/predicates.md (shiftcount_operand): Allow more
16260 (longshiftcount_operand): New.
16261 * doc/md.texi (Machine Constraints): Document In6.
16263 2006-01-13 Ben Elliston <bje@au.ibm.com>
16265 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16266 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16269 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16271 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16272 to try to avoid clobbering pieces of structures when we know
16273 something about the whole structure.
16274 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16276 2006-01-13 Ben Elliston <bje@au.ibm.com>
16278 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16279 return in memory, as this is no limitation is no longer present.
16281 2006-01-12 DJ Delorie <dj@redhat.com>
16283 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16284 mova with fb, and for fb+0 -> An.
16286 * config/m32c/mov.md (peephole2): Fix enabling logic.
16288 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16289 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16290 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16291 FINI_ARRAY_SECTION_ASM_OP): Define.
16293 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16295 (m32c_legitimize_reload_address): New logic to reload FB to An.
16296 (m32c_output_reg_push): Add newline.
16297 (m32c_output_reg_pop): Likewise.
16299 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16301 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16303 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16305 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16307 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16309 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16312 2006-01-11 Ben Elliston <bje@au.ibm.com>
16314 * rtlanal.c (find_reg_note): Assert insn is not null.
16316 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16318 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16321 2006-01-11 Jeff Law <law@redhat.com>
16323 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16325 (mark_threaded_blocks, register_jump_thread): New functions.
16326 (thread_through_all_blocks): Remove unwanted argument. No
16327 longer rely on e->aux to communicate thread target info.
16328 Call mark_threaded_blocks. Release the threaded_blocks
16329 bitmap and threaded_edges vector when complete.
16330 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16331 (threaded_blocks): Remove.
16332 (tree_ssa_dominator_optimize): Remove initialization and
16333 finalization of threaded_blocks. Simplify call to
16334 thread_through_all_blocks.
16335 (thread_across_edge): Call register_jump_thread rather than
16336 storing thread information into e->aux.
16337 (free_all_edge_infos): Simplify now that e->aux is no longer
16338 used to communicate with thread_through_all_blocks.
16339 * tree-flow.h (thread_through_all_blocks): Update prototype.
16340 (register_jump_thread): Prototype.
16342 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16344 * df-core.c (df_compact_blocks, df_bb_replace): Use
16345 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16347 2006-01-11 Richard Guenther <rguenther@suse.de>
16349 PR tree-optimization/25734
16350 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16351 stop propagation after successful propagation to the LHS.
16353 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16355 * basic-block.h (control_flow_graph): Change the type of
16356 x_basic_block_info to VEC(basic_block,gc) *.
16357 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16359 (SET_BASIC_BLOCK): New.
16360 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16361 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16362 * cfgbuild.c (find_basic_blocks): Likewise.
16363 * cfglayout.c (fixup_reorder_chain): Likewise.
16364 * cfgrtl.c (create_basic_block_structure,
16365 rtl_create_basic_block): Likewise.
16366 * ifcvt.c (find_if_case_1): Likewise.
16367 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16370 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16372 * Makefile.in: Removed rotted odf.c entry.
16374 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16377 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16378 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16379 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16380 output pattern modifier, not %e.
16381 * config/cris/cris.c (cris_op_str): Update comment about pattern
16383 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16384 before falling through into...
16385 <case 'E'>: Redefined from old 'e' case.
16387 2006-01-11 Jan Hubicka <jh@suse.cz>
16390 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16392 2006-01-11 Jan Hubicka <jh@suse.cz>
16394 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16395 * i386.c (x86_decompose_lea): Kill.
16396 (ix86_rtx_costs): Kill.
16398 2006-01-11 Jan Hubicka <jh@suse.cz>
16400 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16401 * cgraph.h (cgraph_node): Add inline_decl.
16402 (cgraph_insert_node_to_hashtable): Declare.
16403 (save_inline_function_body): Declare.
16404 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16406 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16407 (cgraph_function_versioning): Update call of tree_function_versioning.
16408 (save_inline_function_body): New function.
16409 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16410 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16411 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16412 (cgraph_default_inline_p): Likewise.
16413 (cgraph_decide_inlining_incrementally): Likewise.
16414 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16415 (copy_bb): Kill saving; do updating of clones.
16416 (copy_cfg_body): Kill saving.
16417 (initialize_inlined-parameters): Likewise.
16418 (expand_call_inline): Likewise.
16420 (tree_function_versioning): New parameter "update_clones".
16421 (inlining_p): Kill saving.
16422 * tree-inline.h (tree_function_versioning): Update prototype.
16423 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16426 2006-01-11 Ian Lance Taylor <ian@airs.com>
16428 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16429 Allow undoing set of machine mode.
16430 (do_SUBST): Use enums instead of is_int.
16431 (do_SUBST_MODE): New function.
16432 (SUBST_MODE): New macro.
16433 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16434 reg and trying to replace reg_regno_rtx with a new register.
16435 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16436 (simplify_set): Use SUBST_MODE.
16437 (distribute_notes): Remove code that tried to update reg notes
16438 for regno_reg_rtx changes.
16440 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16442 PR tree-optimization/23109
16443 PR tree-optimization/23948
16444 PR tree-optimization/24123
16446 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16447 * tree-cfg.c (single_noncomplex_succ): New.
16448 * tree-flow.h (single_noncomplex_succ): Declare it.
16449 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16450 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16451 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16452 insert_bb, register_division_in, insert_reciprocals,
16453 replace_reciprocal, free_bb): New.
16454 (execute_cse_reciprocals_1): Rewritten.
16455 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16456 Do not commit any edge insertion. Always compute dominators and
16457 create the allocation pool.
16458 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16459 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16460 * targhooks.c (default_min_divistions_for_recip_mul): New.
16461 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16462 * passes.c (init_optimization_passes): Run recip after tree loop
16464 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16466 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16467 Kenneth Zadeck <zadeck@naturalbridge.com>
16469 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16470 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16471 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16472 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16473 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16474 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16475 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16476 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16477 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16478 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16479 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16480 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16481 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16482 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16483 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16484 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16485 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16486 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16487 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16488 DF_SCAN_POST_ALLOC): New macros.
16489 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16490 df_free_bb_function, df_local_compute_function, df_init_function,
16491 df_dataflow_function, df_confluence_function_0,
16492 df_confluence_function_n, df_transfer_function,
16493 df_finalizer_function, df_free_function, df_dump_problem_function,
16494 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16495 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16496 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16497 df_urec_bb_info, ) New types.
16498 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16500 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16501 df_analyze_simple_change_some_blocks,
16502 df_analyze_simple_change_one_block, df_compact_blocks,
16503 df_bb_replace, df_bb_regno_last_use_find,
16504 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16505 df_insn_regno_def_p, df_find_def, df_find_use,
16506 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16507 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16508 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16509 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16510 debug_df_chain, df_get_dependent_problem, df_chain_create,
16511 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16512 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16513 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16514 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16515 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16516 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16517 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16518 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16519 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16520 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16521 df_reorganize_refs, df_set_state, df_hard_reg_init,
16522 df_read_modify_subreg_p) New public functions.
16523 * df-core.c: The core dataflow solver and glue routines for rtl
16525 (df_init, df_add_problem, df_set_blocks, df_finish,
16526 df_hybrid_search_forward, df_hybrid_search_backward,
16527 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16528 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16529 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16530 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16531 df_reg_defined, df_find_use, df_reg_used, df_dump,
16532 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16533 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16534 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16535 debug_df_useno, reset_df_after_reload): New functions.
16536 * df-scan.c: The scanning fuctions, once in df.c, completely
16537 rewritten so that they now fully model the functionality of
16538 register usage at the backend.
16539 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16540 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16541 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16542 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16543 df_get_artificial_defs, df_get_artificial_uses,
16544 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16545 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16546 df_refs_delete, df_reorganize_refs, df_set_state,
16547 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16548 df_def_record_1, df_defs_record, df_uses_record,
16549 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16550 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16551 df_record_exit_block_uses, df_hard_reg_init): New functions.
16553 * df-problems.c: Seven concrete dataflow problems that use the
16554 scanning in df-scan.c and are solved by the engine in df-core.c.
16555 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16556 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16557 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16558 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16559 df_ru_free_bb_info, df_ru_alloc,
16560 df_ru_bb_local_compute_process_def,
16561 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16562 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16563 df_ru_transfer_function, df_ru_free, df_ru_dump,
16564 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16565 df_rd_free_bb_info, df_rd_alloc,
16566 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16567 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16568 df_rd_transfer_function, df_rd_free, df_rd_dump,
16569 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16570 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16571 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16572 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16573 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16574 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16575 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16576 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16577 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16578 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16579 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16580 df_urec_mark_reg_use_for_earlyclobber,
16581 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16582 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16583 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16584 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16585 df_chain_create_bb_process_use, df_chain_create_bb,
16586 df_chain_finalize, df_chain_free, df_chains_dump,
16587 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16588 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16589 df_reg_lifetime): New functions.
16590 * df.c: Deleted file.
16591 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16592 consistent with new df api.
16593 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16594 rest_of_handle_sms): Ditto.
16595 * web.c (unionfind_union, union_defs, entry_register, web_main):
16597 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16598 invariant_expr_equal_p, find_defs, check_dependencies,
16599 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16600 free_inv_motion_data, move_loop_invariants): Ditto.
16601 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16602 Update dependencies.
16603 (odf.c): Added defective entry that was deleted later in day.
16604 * sched-deps.c (sched_analyze_1): Ditto.
16606 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16608 * tree-ssa-operands.c (get_expr_operands): Record addressable
16609 variables directly. Do not call add_stmt_operands for CONST_DECLs
16611 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16612 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16614 2006-01-11 Ben Elliston <bje@au.ibm.com>
16616 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16617 function returns true in the positive case.
16619 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16622 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16623 for SI, DI, SF and DF modes. Add alternatives to copy between
16624 general and floating point registers to the 32-bit patterns.
16625 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16626 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16627 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16628 generating 64-bit code.
16629 * config/pa/pa.c (output_move_double): Handle copies between general
16630 and floating registers.
16632 2006-01-10 Stuart Hastings <stuart@apple.com>
16634 * config/i386/i386.md (set_got): Update.
16635 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16636 (builtin_setjmp_receiver): Mach-O support.
16637 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16638 (GOT_SYMBOL_NAME): Define.
16639 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16640 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16641 * config/i386/i386.c (override_options): Revise for Darwin.
16642 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16643 support. (darwin_x86_file_end): New. (output_set_got): Add label
16644 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16645 * config/i386/i386-protos.h (output_set_got): Likewise.
16646 * config/darwin.c (machopic_legitimize_pic_address): Update
16649 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16651 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16652 when MODE isn't BLKmode.
16654 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16656 PR rtl-optimization/25367
16657 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16659 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16662 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16663 for a negative bound.
16665 2006-01-10 Richard Guenther <rguenther@suse.de>
16667 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16668 Never override with anything constraint.
16670 2006-01-10 Jan Beulich <jbeulich@novell.com>
16672 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16673 256 bits when optimize_size.
16675 2006-01-10 Jan Beulich <jbeulich@novell.com>
16677 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16679 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16680 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16683 2006-01-10 Ben Elliston <bje@au.ibm.com>
16685 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16687 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16688 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16689 (USE_FP_FOR_ARG): Reject decimal float modes.
16690 (function_arg_advance): Likewise.
16691 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16692 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16693 point types in AltiVec vectors.
16694 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16695 (rs6000_libcall_value): Likewise.
16697 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16699 * config/xtensa/ieee754-df.S: New file.
16700 * config/xtensa/ieee754-sf.S: New file.
16701 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16702 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16703 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16705 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16707 * config/sh/predicates.md (binary_float_operator,
16708 binary_logical_operator, commutative_float_operator,
16709 equality_comparison_operator, greater_comparison_operator,
16710 less_comparison_operator, logical_operator,
16711 noncommutative_float_operator, shift_operator,
16712 symbol_ref_operand, unary_float_operator): Remove redundant
16715 2006-01-09 Jeff Law <law@redhat.com>
16717 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16718 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16719 now unused arguments. Callers updated.
16720 (eliminate_redundant_computations): Remove now unused arguments,
16722 (local_fold): Remove, no longer used.
16723 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16725 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16726 (simplify_cond): New function.
16727 (forward_propagate_into_cond): Call simplify_cond.
16729 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16731 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16732 (*vec_extractv2di_1_sse): New.
16734 2006-01-09 Ben Elliston <bje@au.ibm.com>
16736 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16738 2006-01-08 Richard Guenther <rguenther@suse.de>
16740 * tree-ssa-structalias.c (get_constraint_for): Remove
16741 anyoffset argument.
16742 (get_constraint_for_component_ref): Likewise.
16743 (do_deref): Likewise.
16744 (get_constraint_for): Likewise.
16745 (do_structure_copy): Likewise.
16746 (handle_ptr_arith): Likewise.
16747 (find_func_aliases): Likewise. Remove unused need_anyoffset
16750 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16751 Kaz Kojima <kkojima@gcc.gnu.org>
16753 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16754 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16755 (EXTRA_CONSTRAINT_C16): Remove.
16756 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16757 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16758 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16759 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16760 constants of SHmedia. Handle nested constant expressions of
16762 (andcosts): Fix the costs for SHmedia constants.
16763 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16764 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16765 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16766 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16767 (movv4hi_i, movv2si_i): Likewise.
16768 (movsi_const): Adjust the second operand of ior so to match with
16769 the Csu constraint.
16770 (movdi_const, movdi_const_32bit): Likewise.
16771 (movdi_const_16bit+1): Don't sign-extend LOW.
16772 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16774 (*double_shori): Fix the split condition. Use GEN_INT instead
16775 of get_int_mode calls. Mask lower 16-bit of the argument of
16777 (sym2GOTPLT): Remove.
16778 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16780 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16781 instead of EXTRA_CONSTRAINT_C16.
16783 2006-01-07 Ian Lance Taylor <ian@airs.com>
16784 David Edelsohn <edelsohn@gnu.org>
16786 PR rtl-optimization/25662
16787 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16788 for constant operands instead of simplify_gen_binary.
16789 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16790 after trying simplify_binary_operation
16792 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16794 * tree.c (iterative_hash_expr): Hash decls based on UID.
16796 2006-01-06 Eric Christopher <echristo@apple.com>
16798 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16799 (TARGET_UNWIND_EMIT): Fix spelling.
16800 * target.h (gcc_target): Add except_table_label.
16801 * except.c (output_function_exception_table): Use.
16802 * varasm.c (default_emit_except_table_label): New.
16803 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16805 (asm_out): Add here.
16806 * output.h (default_emit_except_table_label): Prototype.
16807 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16808 * config/darwin.c (darwin_emit_except_table_label): Define.
16809 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16811 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16813 PR tree-optimization/18527
16814 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16815 number_of_iterations_special, number_of_iterations_exit):
16816 Move base and step of an iv to a single structure. Add
16817 no_overflow flag, and use it in # of iterations analysis.
16818 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16819 folded_casts argument.
16820 (simple_iv): Pass base and step in a structure. Set no_overflow
16822 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16823 Evaluate expensiveness of computing # of iterations instead of
16824 the final expression.
16825 * tree-scalar-evolution.h (affine_iv): New structure.
16826 (simple_iv): Declaration changed.
16827 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16828 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16829 find_givs_in_stmt): Changed due to simple_iv change.
16831 2006-01-06 Jeff Law <law@redhat.com>
16834 * tree-cfg.c (bsi_replace): Rename final argument from
16835 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16836 change (stmt -> orig_stmt).
16837 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16838 (bsi_remove): Add new argument. Remove EH information
16840 (verify_eh_throw_table_statements): New function.
16841 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16843 * tree-optimize.c (execute_free_cfg_annotations): Verify
16844 the EH throw statement table after removing annotations.
16845 * except.h (verify_eh_throw_table_statements): Prototype.
16846 * tree-flow.h (bsi_remove): Update prototype.
16847 * tree-vrp.c (remove_range_assertions): Add new argument to
16849 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16850 * tree-complex.c (expand_complex_div_wide): Likewise.
16851 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16852 * tree-tailcall.c (eliminate_tailcall): Likewise.
16853 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16854 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16855 * tree-nrv.c (tree_nrv): Likewise.
16856 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16857 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16858 (combine_blocks): Likewise.
16859 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16860 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16861 (cleanup_control_flow): Likewise.
16862 (remove_forwarder_block): Likewise.
16863 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16864 * tree-sra.c (sra_replace): Likewise.
16865 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16866 (forward_propagate_single_use_vars): Likewise.
16867 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16868 * tree-inline.c (expand_call_inline): Likewise.
16869 * tree-vect-transform.c (vect_transform_loop): Likewise.
16870 * tree-outof-ssa.c (rewrite_trees): Likewise.
16871 * tree-cfg.c (make_goto_expr_edges): Likewise.
16872 (cleanup_dead_labels): Likewise.
16873 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16874 (bsi_move_before, bsi_move_after): Likewise.
16875 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16876 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16878 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16881 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16883 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16884 on non gimple variables. Also add checks at the top for decls and
16886 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16888 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16889 and IMAGPART_EXPR for creating MUST_DEFs.
16890 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16891 and NAME_MEMORY_TAG separately from the DECLs.
16893 2006-01-06 Richard Guenther <rguenther@suse.de>
16895 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16896 annotation, if necessary.
16897 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16898 redundant calls to update_stmt.
16899 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16902 2006-01-05 Richard Henderson <rth@redhat.com>
16904 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16906 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16908 * c-typeck.c: Update copyright date.
16910 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16912 * c-typeck.c (build_c_cast): Always warn when casting
16913 from a pointer to an integer of different size, even if
16914 the node was constant.
16916 2006-01-05 Richard Guenther <rguenther@suse.de>
16918 PR tree-optimization/22555
16919 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16920 if one structure field is an array.
16921 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16922 operands even if we found a subvar, but ignore VOPs in this
16924 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16926 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16928 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16930 PR middle-end/24998
16931 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16933 2006-01-05 Richard Guenther <rguenther@suse.de>
16934 Diego Novillo <dnovillo@redhat.com>
16936 * tree-pass.h (TODO_remove_unused_locals): Define.
16937 * gimple-low.c (expand_var_p, remove_useless_vars,
16938 pass_remove_useless_vars): Remove. Update all users.
16939 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16940 (remove_unused_locals): New function.
16941 * tree-flow.h (remove_unused_locals): Declare.
16942 * passes.c (execute_todo): Call remove_unused_locals if
16943 TODO_remove_unused_locals is set.
16944 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16945 * tree-ssa-dce.c (pass_dce): Likewise.
16946 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16948 2006-01-05 Richard Guenther <rguenther@suse.de>
16950 * tree-flow.h (struct fieldoff): Decompose field to
16951 type, size and decl.
16952 * tree-ssa-alias.c (create_sft): Take type as parameter.
16953 (create_overlap_variables_for): Store type, size and decl
16954 in the fieldoff structure.
16955 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16956 of struct fieldoff.
16957 (push_fields_onto_fieldstack): Likewise.
16958 (create_variable_info_for): Likewise. Use offset for the
16959 SFT name if the decl is not available.
16961 2006-01-04 Paul Brook <paul@codesourcery.com>
16963 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16965 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16967 * lambda-code.c (can_put_in_inner_loop): Relax
16969 (can_put_after_inner_loop): New function.
16970 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16971 (perfect_nestify): Change to make copies and modify uses.
16973 2006-01-04 Richard Henderson <rth@redhat.com>
16975 Merge from gomp branch:
16976 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16977 via integer constant.
16978 (pragma_lex): Remove.
16979 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16980 rather than parsing it.
16981 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16982 handle_pragma_extern_prefix): Add %< %> quotes.
16983 (registered_pragmas): New.
16984 (c_register_pragma_1): New.
16985 (c_register_pragma): Use it.
16986 (c_register_pragma_with_expansion): Likewise.
16987 (c_invoke_pragma_handler): New.
16988 (init_pragma): Use cpp_register_deferred_pragma directly for
16990 * c-pragma.h (enum pragma_kind): New.
16991 (pragma_handler): New.
16992 (c_invoke_pragma_handler): Declare.
16993 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16995 * c-common.h (c_common_pch_pragma): Update decl.
16996 * Makefile.in (c-parser.o): Update dependencies.
16997 (GTFILES): Add c-pragma.h.
16998 * c-parser.c (struct c_token): Add pragma_kind.
16999 (struct c_parser): Add in_pragma.
17000 (c_lex_one_token): Always initialize keyword and pragma_kind.
17001 Extract data for CPP_PRAGMA.
17002 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17003 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17004 Don't allow CPP_PRAGMA_EOL if in_pragma.
17005 (c_parser_consume_pragma): New.
17006 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17007 (c_parser_skip_to_end_of_parameter): Likewise.
17008 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17009 (c_parser_skip_to_pragma_eol): New.
17010 (c_parser_external_declaration): Handle CPP_PRAGMA.
17011 (c_parser_compound_statement_nostart): Likewise.
17012 (c_parser_statement_after_labels): Likewise.
17013 (c_parser_pragma): New.
17014 (pragma_lex): Likewise.
17015 (c_parser_pragma_pch_preprocess): New.
17016 (c_parser_new): Merge into ...
17017 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17019 2006-01-04 Jeff Law <law@redhat.com>
17022 * tree-cfg.c (bsi_replace): Remove the original statement
17023 from the EH throw statement table.
17025 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17027 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17028 make the prototype extern "C" and add throw ().
17031 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17032 and pos non-negative and pos + len <= 32.
17033 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17034 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17035 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17038 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17039 as well as sizes not multiple of component size.
17042 * function.c (instantiate_expr): New function.
17043 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17044 walk its DECL_VALUE_EXPR with instantiate_expr.
17046 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17047 DW_OP_deref{,_size} if address isn't going to be added.
17049 2006-01-04 Ben Elliston <bje@au.ibm.com>
17051 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17052 * config/fp-bit.c: Likewise.
17054 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17056 * dominance.c: Add comment about why we use DFS numbering
17059 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17060 Richard Henderson <rth@redhat.com>
17062 Merge from gomp-branch:
17063 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17064 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17066 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17068 PR rtl-optimization/25578
17069 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17070 pass a parameter to simplify_shift_const if changing ASHIFTRT
17073 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17075 * builtins.c (get_builtin_sync_mem): New function.
17076 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17077 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17078 Call get_builtin_sync_mem to generate mem rtx.
17080 2006-01-03 Richard Guenther <rguenther@suse.de>
17083 * stmt.c (add_case_node): Make sure to clear overflow flags
17086 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17088 Merge from gomp-branch.
17089 * config/sparc/sync.md: New file.
17090 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17091 UNSPECV_LDSTUB): New constants.
17092 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17093 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17094 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17097 2006-01-03 Roger Sayle <roger@eyesopen.com>
17099 * combine.c (reg_subword_p): New predicate to test whether the
17100 destination of a set refers to a subword/piece of a register.
17101 (try_combine): Generalize the code to merge the setting of a
17102 pseudo to a constant followed by a set of a subword of that
17103 register to a constant.
17105 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17107 * basic-block.h (control_flow_graph): Change the type of
17108 x_label_to_block_map to VEC(basic_block,gc) *.
17109 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17110 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17112 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17113 VEC(basic_block,heap) *.
17114 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17115 ssa_prop_fini): Adjust the uses of cfg_blocks.
17117 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17119 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17121 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17122 hashing trees instead of a pointer hash.
17123 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17124 compare for MEM_EXPR.
17126 PR rtl-optimization/25130
17127 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17128 when comparing MEMs for GCSE
17130 2006-01-03 Ben Elliston <bje@au.ibm.com>
17132 * targhooks.h (default_decimal_float_supported_p): Declare.
17133 * targhooks.c (default_decimal_float_supported_p): Define.
17134 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17135 `default_decimal_float_supported_p'.
17136 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17138 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17140 * combine.c (apply_distributive_law <SUBREG>): Check
17141 TRULY_NOOP_TRUNCATION.
17143 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17145 * dwarf2out.c (have_switched_text_section): Delete.
17146 (have_multiple_function_sections): New.
17147 (have_location_lists): Make 'bool'.
17148 (add_AT_loc_list): Use 'true' not '1'.
17149 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17150 (output_loc_list): Use have_multiple_function_sections.
17151 (output_ranges): Likewise.
17152 (dwarf2out_begin_function): Set have_multiple_function_sections if
17154 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17155 Check function_section rather than DECL_SECTION_NAME.
17156 (dwarf2out_finish): Use have_multiple_function_sections.
17157 Don't clear have_location_lists.
17159 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17160 Jan Hubicka <jh@suse.cz>
17162 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17163 case of conditional jump jumping to the next instruction.
17164 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17165 cases of conditional jump jumping to the next instruction.
17167 2006-01-02 Jan Hubicka <jh@suse.cz>
17169 * i386.c (*_cost): Add COSTS_N_INSNS.
17170 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17172 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17175 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17177 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17179 * config/arm/arm.c (all_fpus): Fix comment typo.
17180 * config/darwin.c: Likewise.
17181 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17182 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17183 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17185 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17187 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17188 (rs6000_split_compare_and_swapqhi): New.
17189 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17190 (sync_compare_and_swapqhi_internal): New.
17191 * config/rs6000/rs6000-protos.h: Declare.