1 2006-11-01 Richard Guenther <rguenther@suse.de>
3 * config/i386/i386.c (ix86_expand_rint): Fix issues with
5 (ix86_expand_floorceildf_32): Likewise.
6 (ix86_expand_floorceil): Likewise.
7 (ix86_expand_trunc): Likewise.
9 2006-10-31 Andrew Pinski <pinskia@gmail.com>
11 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
14 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
16 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
18 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
20 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
22 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
23 * configure.ac (use_cxa_atexit): As a special case, don't test
24 for libc definition of __cxa_atexit on mingw32
25 * configure: Regenerate.
26 * config.gcc (i[34567]86-pc-mingw32): Default to
27 enable__cxa_atexit=yes.
29 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
31 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
33 2006-10-31 Geoffrey Keating <geoffk@apple.com>
36 * c-decl.c (start_struct): Don't create self-containing
38 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
40 * config/rs6000/rs6000-protos.h
41 (darwin_rs6000_special_round_type_align): New.
42 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
43 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
45 2006-10-31 Geoffrey Keating <geoffk@apple.com>
47 * toplev.c (compile_file): Call final_write_globals
48 even if there have been errors.
50 2006-10-31 Eric Christopher <echristo@apple.com>
51 Falk Hueffner <falk@debian.org>
53 * doc/extend.texi (__builtin_bswap32): Document.
54 (__builtin_bswap64): Ditto.
55 * doc/libgcc.texi (bswapsi2): Document.
57 * doc/rtl.texi (bswap): Document.
58 * optabs.c (expand_unop): Don't widen a bswap.
59 (init_optabs): Init bswap. Set libfuncs explicitly
60 for bswapsi2 and bswapdi2.
61 * optabs.h (OTI_bswap): New.
63 * genopinit.c (optabs): Handle bswap_optab.
64 * tree.h (tree_index): Add TI_UINT32_TYPE and
66 (uint32_type_node): New.
67 (uint64_type_node): Ditto.
68 * tree.c (build_common_tree_nodes_2): Initialize
69 uint32_type_node and uint64_type_node.
70 * builtins.c (expand_builtin_bswap): New.
71 (expand_builtin): Call.
72 (fold_builtin_bswap): New.
73 (fold_builtin_1): Call.
74 * fold-const.c (tree_expr_nonnegative_p): Return true
76 * builtin-types.def (BT_UINT32): New.
78 (BT_FN_UINT32_UINT32): Ditto.
79 (BT_FN_UINT64_UINT64): Ditto.
80 * builtins.def (BUILT_IN_BSWAP32): New.
81 (BUILT_IN_BSWAP64): Ditto.
82 * rtl.def (BSWAP): New.
83 * genattrtab.c (check_attr_value): New.
84 * libgcc2.c (__bswapSI2): New.
86 * libgcc2.h (__bswapSI2): Declare.
88 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
89 * simplify-rtx.c (simplify_const_unary_operation): Return
91 * libgcc-std.ver (__bwapsi2): Add.
93 * reload1.c (eliminate_regs_1): Add bswap.
94 (elimination_effects): Ditto.
95 * config/i386/i386.h (x86_bswap): New.
97 * config/i386/i386.c (x86_bswap): Set.
99 2006-10-31 Geoffrey Keating <geoffk@apple.com>
101 * coverage.c (coverage_checksum_string): Update comment.
102 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
103 of get_file_function_name.
104 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
105 of get_file_function_name_long.
106 * tree.c (get_file_function_name): Rename from
107 get_file_function_name_long; improve comment; handle 'I' and 'D'
108 specially when the target has ctor/dtor support; remove special
110 (get_file_function_name): Remove.
111 * tree.h (get_file_function_name): Rename from
112 get_file_function_name_long.
113 (get_file_function_name): Remove prototype.
115 2006-10-31 Geoffrey Keating <geoffk@apple.com>
117 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
118 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
120 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
121 Call dsymutil when compiling and linking one or more source files
124 2006-10-31 Geoffrey Keating <geoffk@apple.com>
127 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
129 2006-10-31 Geoffrey Keating <geoffk@apple.com>
131 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
132 inline static functions in c99 mode.
135 * doc/extend.texi (Inline): Update.
136 * c-tree.h (struct language_function): Remove field 'extern_inline'.
137 * c-decl.c (current_extern_inline): Delete.
138 (pop_scope): Adjust test for an undefined nested function.
139 Add warning about undeclared inline function.
140 (diagnose_mismatched_decls): Update comments. Disallow overriding
141 of inline functions in a translation unit in C99. Allow inline
142 declarations in C99 at any time.
143 (merge_decls): Boolize variables. Handle C99 'extern inline'
145 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
146 C99 inline semantics.
147 (start_function): Don't clear current_extern_inline. Don't set
149 (c_push_function_context): Don't push current_extern_inline.
150 (c_pop_function_context): Don't restore current_extern_inline.
153 * c-typeck.c (build_external_ref): Warn about static variables
154 used in extern inline functions.
155 * c-decl.c (start_decl): Warn about static variables declared
156 in extern inline functions.
158 2006-10-31 Roger Sayle <roger@eyesopen.com>
161 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
162 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
163 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
164 or y is an even integer.
166 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
169 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
170 * gthr-posix95.h (__gthread_active_p): Likewise.
172 2006-10-31 Richard Guenther <rguenther@suse.de>
174 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
175 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
176 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
177 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
178 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
179 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
180 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
181 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
184 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
186 * opts.c (decode_options): Disable CSE skip blocks.
188 2006-10-30 Dirk Mueller <dmueller@suse.de>
190 * c-common.h (strict_aliasing_warning): Fix whitespace.
191 * c-decl (start_function): Move code for main decl warning ..
192 * c-common.c (check_main_parameter_types): .. here.
193 * c-common.h (check_main_parameter_types): Declare.
195 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
198 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
200 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
202 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
203 be a PARALLEL containing sets. Return false when out_pat is not
206 2006-10-30 Richard Sandiford <richard@codesourcery.com>
208 * config/mips/mips.md (mul<mode>3): Split into...
209 (mulsi3, muldi3): ...these separate patterns.
211 2006-10-30 Richard Sandiford <richard@codesourcery.com>
213 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
214 but with each set of options separated by spaces.
216 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
218 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
219 dwarf_reg_size_table has been initialized.
221 2006-10-30 Roger Sayle <roger@eyesopen.com>
223 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
224 * ddg.c (print_ddg_edge): Likewise.
225 * dwarf2out.c (prune_unused_types_walk): Likewise.
226 * ifcvt.c (noce_try_cmove_arith): Likewise.
227 * langhooks.c (add_builtin_function): Likewise.
228 * reg-stack.c (subst_stack_regs_pat): Likewise.
229 * tree.c (expanded_location): Likewise.
230 * tree-dump.c (dequeue_and_dump): Likewise.
232 2006-10-30 David Daney <ddaney@avtrex.com>
234 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
236 2006-10-30 Jakub Jelinek <jakub@redhat.com>
238 PR tree-optimization/29637
239 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
240 of the innertype is the innertype itself.
242 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
244 * dwarf2out.c (file_name_acquire): Correct typo.
246 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
248 * tree.h (tree_value_handle): Remove struct value_set declaration.
249 Change value_set to bitmap_set.
250 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
251 * tree-vn.c (get_value_handle): Made inline and moved to
253 * tree-flow-inline.h: (has_stmt_ann): New function.
254 * tree-ssa-pre.c (expressions): New variable.
255 (next_expression_id): Ditto.
256 (alloc_expression_id): New function.
257 (struct value_set): Remove.
258 (get_expression_id): New function.
259 (get_or_alloc_expression_id): Ditto.
260 (expression_for_id): Ditto.
261 (clear_expression_ids): Ditto.
262 (FOR_EACH_EXPR_ID_IN_SET): New macro.
263 (bb_value_sets): Renamed to bb_bitmap_sets.
264 All value sets replaced with bitmap_sets.
266 (BB_VISITED): New macro.
267 (postorder): New variable.
268 (add_to_value): Removed.
269 (value_exists_in_set_bitmap): Ditto.
270 (value_insert_into_set_bitmap): Ditto.
274 (set_contains_value): Ditto.
275 (insert_into_set): Ditto.
277 (find_leader): Ditto.
278 (bitmap_set_subtract_from_value_set): Ditto.
279 (value_insert_into_set): Ditto.
280 (print_value_set): Ditto.
281 (debug_value_set): Ditto.
282 (constant_expr_p): New function.
283 (bitmap_remove_from_set): Ditto.
284 (bitmap_insert_into_set): Ditto.
285 (bitmap_set_free): Ditto.
287 (sorted_array_from_bitmap_set): Ditto.
288 (bitmap_set_subtract): Ditto.
289 (bitmap_set_equal): Ditto.
290 (debug_bitmap_set): Ditto.
291 (find_leader_in_sets): Ditto.
292 (bitmap_set_replace_value): Modify for bitmapped sets.
293 (phi_translate): Ditto.
294 (phi_translate_set): Ditto.
295 (bitmap_find_leader): Ditto.
296 (valid_in_sets): Ditto.
297 (union_contains_value): Ditto.
299 (compute_antic_aux): Ditto. Mark changed blocks.
300 (compute_antic): Ditto. Iterate in postorder and only over
302 (compute_rvuse_and_antic_safe): Reuse postorder.
303 (create_component_ref_by_pieces): Modify for bitmapped sets.
304 (find_or_generate_expression): Ditto.
305 (create_expression_by_pieces): Ditto.
306 (insert_into_preds_of_block): Ditto.
307 (changed_blocks): New variable.
308 (do_regular_insertion): Broken out from insert_aux.
309 (insert_aux): Modified for bitmapped sets.
310 (find_existing_value_expr): New function.
311 (create_value_expr_from): Use it.
312 (insert_extra_phis): Removed.
313 (print_bitmap_set): Renamed from bitmap_print_value_set.
314 (compute_avail): Handle RETURN_EXPR.
315 (init_pre): Modify for bitmapped sets.
316 * tree-flow.h (has_stmt_ann): New function.
318 2006-10-29 Roger Sayle <roger@eyesopen.com>
320 * builtins.c (fold_builtin_floor): Check for the availability of
321 the C99 trunc function before transforming floor into trunc.
323 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
325 * builtins.c (fold_builtin_hypot): Rearrange recursive
326 transformation before others, and also do ABS_EXPR. When
327 necessary, check flag_unsafe_math_optimizations. When necessary,
330 2006-10-29 Roger Sayle <roger@eyesopen.com>
332 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
333 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
334 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
335 Fold -X eq/ne -Y as X eq/ne Y.
337 2006-10-29 Richard Sandiford <richard@codesourcery.com>
339 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
340 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
341 rather than GENERATE_MULT3_SI in the various define_peephole2s.
342 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
343 Use an inclusive test for "mult" rather than "mul".
344 (rotr<mode>3): Depend on ISA_HAS_ROR.
345 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
347 (GENERATE_MULT3_DI): Delete.
348 (ISA_HAS_64BIT_REGS): Use consistent formatting.
349 (ISA_HAS_MUL3): New macro.
350 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
351 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
352 (ISA_HAS_CLZ_CLO): Likewise.
353 (ISA_HAS_DCLZ_DCLO): Delete.
354 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
355 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
356 the VR4120 and VR4130.
357 (ISA_HAS_MACCHI): Use consistent formatting.
358 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
359 (ISA_HAS_ROR): ...this new macro.
360 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
361 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
362 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
364 2006-10-29 Roger Sayle <roger@eyesopen.com>
366 PR tree-optimization/15458
367 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
370 2006-10-29 Richard Guenther <rguenther@suse.de>
372 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
373 (ix86_expand_truncdf_32): Likewise.
374 * config/i386/i386.c (ix86_expand_trunc): New function expanding
375 trunc inline for SSE math and -fno-trapping-math and if not
377 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
378 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
379 for expanding btrunc inline for SSE math.
381 2006-10-29 Joseph Myers <joseph@codesourcery.com>
383 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
384 Handle tuning for bi-arch i[34567]86-*-linux* like that for
385 i[34567]86-*-solaris2.1[0-9]*.
386 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
387 Define conditionally depending on TARGET_64BIT_DEFAULT.
388 (SPEC_32, SPEC_64): Define.
389 (LINK_SPEC): Use them.
390 * doc/install.texi (--enable-targets=all): Document for x86-linux.
392 2006-10-29 Richard Guenther <rguenther@suse.de>
394 * config/i386/i386-protos.h (ix86_expand_round): Declare.
395 (ix86_expand_rounddf_32): Likewise.
396 * config/i386/i386.c (ix86_expand_round): New function expanding
397 round inline for SSE math and -fno-trapping-math and if not
399 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
400 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
401 round via ix86_expand_round.
403 2006-10-29 Richard Guenther <rguenther@suse.de>
405 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
406 (ix86_expand_floorceildf_32): Likewise.
407 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
408 static helper function.
409 (ix86_expand_floorceil): Expander for floor and ceil to SSE
411 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
412 * config/i386/i386.md (floordf2): Adjust to enable floor
413 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
414 -fno-trapping-math is enabled and if not optimizing for size.
415 (floorsf2, ceildf2, ceilsf2): Likewise.
416 * config/i386/sse.md (sse_maskcmpsf3): New insn.
417 (sse2_maskcmpdf3): Likewise.
419 2006-10-29 Richard Guenther <rguenther@suse.de>
421 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
422 rint in case -fno-trapping-math is enabled.
423 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
424 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
425 (ix86_expand_sse_fabs): Likewise.
426 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
427 * config/i386/i386.md (rintdf2): Enable for SSE math if
428 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
431 2006-10-29 Richard Guenther <rguenther@suse.de>
433 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
434 to conversion optabs.
435 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
437 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
438 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
439 (lfloor_optab, lceil_optab): Adjust defines.
440 * builtins.c (expand_builtin_int_roundingfn): Adjust for
441 lfloor and lceil optabs now being conversion optabs.
442 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
443 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
444 New static helper function.
445 (ix86_expand_lfloorceil): New function to expand lfloor and
447 * config/i386/i386.md (lfloor<mode>2): Split into ...
448 (lfloorxf<mode>2): ... x87 variant
449 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
450 using ix86_expand_lfloorceil.
451 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
453 * doc/md.texi (lfloorMN, lceilMN): Document.
455 2006-10-29 Richard Sandiford <richard@codesourcery.com>
457 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
458 -mno-shared assembler option on mips targets.
459 * configure, config.in: Regenerate.
460 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
461 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
462 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
464 2006-10-29 Richard Sandiford <richard@codesourcery.com>
466 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
467 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
469 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
471 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
472 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
475 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
478 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
479 (fold_builtin_pow): Evaluate constant arguments at compile-time
481 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
482 (do_mpfr_ckconv): New helper function.
483 (do_mpfr_arg1): Use do_mpfr_ckconv.
486 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
489 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
490 (-fdump-rtl-sched): Rename to ..
491 (-fdump-rtl-sched1): here. Also fix file extension number.
493 2006-10-28 Richard Guenther <rguenther@suse.de>
495 * fold-const.c (maybe_canonicalize_comparison): Fix code
498 2006-10-28 Uros Bizjak <uros@kss-loka.si>
500 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
501 (NON_QI_REG_P): Use IN_RANGE.
502 (REX_INT_REGNO_P): Use IN_RANGE.
503 (FP_REGNO_P): Use IN_RANGE.
504 (SSE_REGNO_P): Use IN_RANGE.
505 (REX_SSE_REGNO_P): Use IN_RANGE.
506 (MMX_REGNO_P): Use IN_RANGE.
507 (STACK_REGNO_P): New macro.
508 (STACK_REG_P): Use STACK_REGNO_P.
509 (NON_STACK_REG_P): Use STACK_REGNO_P.
510 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
511 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
512 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
513 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
514 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
516 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
518 * except.h (output_function_exception_table): Add 'const char*' param.
519 * except.c (switch_to_exception_section): Add 'const char*' param.
520 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
521 and flag_function_sections is set, use a function-specific section.
522 (output_function_exception_table): Add 'const char*' param.
523 Adjust call to switch_to_exception_section.
524 * final.c (rest_of_handle_final): Adjust calls to
525 output_function_exception_table.
526 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
527 * config.in: Regenerate.
528 * configure: Likewise.
530 2006-10-28 Richard Guenther <rguenther@suse.de>
533 * fold-const.c (maybe_canonicalize_comparison_1): Helper
534 for maybe_canonicalize_comparison.
535 (maybe_canonicalize_comparison): New function for canonicalizing
537 (fold_comparison): Call it to canonicalize comparisons with
540 2006-10-28 Richard Guenther <rguenther@suse.de>
543 * builtins.c (expand_builtin_int_roundingfn_2): Expand
544 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
545 (expand_builtin): Adjust likewise.
546 * genopinit.c (optabs[]): Add lround optab.
547 * optabs.c (init_optabs): Initialize lround_optab.
548 * optabs.h (enum convert_optab_index): Add COI_lround.
549 (lround_optab): Define.
550 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
551 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
553 (ix86_expand_lround): New function.
554 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
556 * doc/md.texi (lroundMN2): Document.
558 2006-10-28 Uros Bizjak <uros@kss-loka.si>
561 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
562 argument to HOST_WIDE_INT. Update function prototype.
563 (round_frame_size): Change return type to HOST_WIDE_INT. Change
564 "size" argument to HOST_WIDE_INT. Update function prototype.
566 2006-10-28 Uros Bizjak <uros@kss-loka.si>
568 * config/i386/i386.c (output_387_ffreep): Create output from a
569 template string for !HAVE_AS_IX86_FFREEP.
571 2006-10-27 Eric Christopher <echristo@apple.com>
573 * config/darwin.c: Fix formatting and grammar.
575 2006-10-27 Jan Hubicka <jh@suse.cz>
577 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
578 to be thrown away soon when IGNORE is set.
579 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
580 indicating when return value shall not be computed.
581 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
583 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
585 * config/i386/i386.h (TARGET_GEODE):
586 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
587 (TARGET_CPU_DEFAULT_geode): New macro.
588 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
589 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
590 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
591 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
592 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
594 (TARGET_CPU_DEFAULT_NAMES): Add geode.
595 (processor_type): Add PROCESSOR_GEODE.
597 * config/i386/i386.md: Include geode.md.
600 * config/i386/i386.c (geode_cost): New initialized global
602 (m_GEODE, m_K6_GEODE): New macros.
603 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
604 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
605 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
606 x86_schedule): Use m_K6_GEODE instead of m_K6.
607 (x86_movx, x86_cmove): Set up m_GEODE.
608 (x86_integer_DFmode_moves): Clear m_GEODE.
609 (processor_target_table): Add entry for geode.
610 (processor_alias_table): Ditto.
612 * config/i386/geode.md: New file.
614 * doc/invoke.texi: Add entry about geode processor.
616 2006-10-27 Mike Stump <mrs@apple.com>
618 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
619 __DYNAMIC__ from here back to ...
620 * config/darwin.h (CPP_SPEC): ... here.
622 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
623 Nathan Sidwell <nathan@codesourcery.com>
625 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
626 when choosing the minimum heapsize.
628 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
630 * gcc/unwind-dw2.h: Move cfa-related variables into
631 struct frame_state_reg_info to ensure that the CFA is properly
632 handled when executing DW_CFA_{remember,restore}_state.
633 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
634 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
635 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
636 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
637 gcc/config/rs6000/linux-unwind.h,
638 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
639 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
640 Modify to use new cfa_* fields.
642 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
644 * config/s390/s390.c (s390_init_frame_layout): Check positive
647 2006-10-26 Ben Elliston <bje@au.ibm.com>
649 * gimplify.c (get_name): Remove extraneous break.
650 (gimplify_omp_for): Initialise ret with GS_OK.
652 2006-10-25 Steve Ellcey <sje@cup.hp.com>
654 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
655 Add unix98.o to link line.
657 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
660 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
661 Calculate compile-time constants using MPFR.
662 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
663 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
665 2006-10-25 Bob Wilson <bob.wilson@acm.org>
667 * config/xtensa/lib2funcs.S: Use C-style comments.
669 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
671 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
672 (file_table_relative_p): Likewise.
673 (dwarf2out_finish): Likewise.
674 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
676 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
678 * tree-ssa-structalias.c (intra_create_variable_infos):
679 Don't recreate nonlocal_all if it already exists.
681 2006-10-25 Richard Guenther <rguenther@suse.de>
684 * optabs.h (enum optab_index): Remove OTI_lrint.
685 (enum convert_optab_index): Add COI_lrint.
686 (lrint_optab): Adjust.
687 (expand_sfix_optab): Declare.
688 * optabs.c (expand_sfix_optab): New function.
689 (init_optabs): Init lrint_optab as conversion optab.
690 * genopinit.c (lrint_optab): Change to a conversion optab.
691 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
692 expansion via conversion optab.
693 * config/i386/i386.md (*fistdi2_1): Remove
694 flag_unsafe_math_optimizations guard.
695 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
696 fist<mode>2_with_temp): Likewise.
697 (lrint<mode>2): Split into...
698 (lrintxf<mode>2): ... x87 part
699 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
700 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
701 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
702 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
703 * doc/md.texi (lrintMN2): Document.
705 2006-10-25 Uros Bizjak <uros@kss-loka.si>
708 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
709 Use inc and dec instructions for TARGET_USE_INCDEC.
710 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
711 ("sync_double_compare_and_swap<mode>"): Likewise.
712 ("*sync_double_compare_and_swapdi_pic"): Likewise.
713 ("*sync_compare_and_swap_cc<mode>"): Likewise.
714 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
715 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
716 ("sync_old_add<mode>"): Likewise.
717 ("sync_lock_test_and_set<mode>"): Likewise.
718 ("sync_lock_test_and_set<mode>"): Likewise.
719 ("sync_add<mode>"): Likewise.
720 ("sync_sub<mode>"): Likewise.
721 ("sync_ior<mode>"): Likewise.
722 ("sync_and<mode>"): Likewise.
723 ("sync_xor<mode>"): Likewise.
725 2006-10-25 Uros Bizjak <uros@kss-loka.si>
727 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
728 (remainder_optab): Define corresponding macro.
729 (drem_optab): Remove.
730 * optabs.c (init_optabs): Initialize remainder_optab. Remove
731 drem_optab initialization.
732 * genopinit.c (optabs): Implement remainder_optab using
733 remainder?f3 patterns. Remove drem_optab.
734 * builtins.c (expand_builtin_mathfn_2): Handle
735 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
736 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
737 expand_builtin_mathfn_2.
739 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
740 depend on flag_unsafe_math_optimizations.
742 * config/i386/i386.md ("remaindersf3", "remainderdf3")
743 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
744 Do not depend on flag_unsafe_math_optimizations. Use
745 truncxf?f expander instead of truncxf?f_i387_noop.
747 ("fpremxf4", "fprem1xf4"): Do not depend on
748 flag_unsafe_math_optimizations.
749 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
750 flag_unsafe_math_optimizations. Use truncxf?f expander
751 instead of truncxf?f_i387_noop.
753 * doc/md.texi (fmod, remainder): Document standard named pattern.
755 2006-10-24 Richard Sandiford <richard@codesourcery.com>
756 David Daney <ddaney@avtrex.com>
759 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
761 2006-10-25 Ben Elliston <bje@au.ibm.com>
763 * doc/extend.texi (Variable Attributes): Typo fix.
765 2006-10-24 Uros Bizjak <uros@kss-loka.si>
767 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
768 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
769 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
770 (FRAME_POINTER_REGNUM): Update register number to 21.
771 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
772 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
774 * config/i386/i386.c (regclass_map): Add fpcr entry.
775 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
777 (print_reg): Assert REGNO (x) != FPCR_REG.
779 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
780 (DIRFLAG_REG): Renumber.
781 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
782 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
783 (sse_prologue_save, *sse_prologue_save_insn): Renumber
784 hardcoded SSE register numbers.
786 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
787 hardcoded MMX register numbers.
789 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
792 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
793 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
795 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
796 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
797 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
798 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
800 2006-10-24 Richard Guenther <rguenther@suse.de>
803 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
804 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
805 for deciding optimizations in consistency with fold-const.c
806 (fold_builtin_unordered_cmp): Likewise.
808 2006-10-24 Richard Guenther <rguenther@suse.de>
810 * builtins.c (fold_builtin_floor): Fold floor (x) where
811 x is nonnegative to trunc (x).
812 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
813 nonnegative to FIX_TRUNC_EXPR.
815 2006-10-24 Richard Guenther <rguenther@suse.de>
817 PR tree-optimization/29567
818 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
819 for TRUTH_NOT_EXPR. Clarify comments.
821 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
824 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
825 at compile-time using MPFR. Change parameter VALUE to FUNC,
827 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
828 for overflow and underflow at all times and avoid folding in
831 2006-10-24 Ben Elliston <bje@au.ibm.com>
833 * reload1.c: Formatting fixes.
835 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
837 PR tree-optimization/14784
838 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
839 * tree-ssa-structalias.c (get_constraint_for,
840 intra_create_variable_infos): Set is_heapvar.
841 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
842 non-heapvar pointer variables specially.
844 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
847 * builtins.c (fold_builtin_sin, fold_builtin_cos,
848 fold_builtin_tan): Fold all constant arguments. Take a "type"
849 argument as necessary.
851 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
853 2006-10-23 Bob Wilson <bob.wilson@acm.org>
855 * config/xtensa/lib1funcs.asm: Use C-style comments.
857 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
859 * tree.c (local_define_builtin): Replace calls to
860 lang_hooks.builtin_function with add_builtin_function.
861 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
863 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
865 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
866 common code to add_builtin_function.
867 * langhooks.c (add_builtin_function): New function.
868 (lhd_builtin_function): New function.
869 * langhooks.h (struct lang_hooks): Change the signature of
871 (add_builtin_function): New function.
872 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
873 calls to lang_hooks.builtin_function with add_builtin_function.
874 * c-common.c (decl_builtin_1): Replace calls to
875 lang_hooks.builtin_function with add_builtin_function.
876 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
877 lang_hooks.builtin_function with add_builtin_function.
878 * config/frv/frv.c (def_builtin): Replace calls to
879 lang_hooks.builtin_function with add_builtin_function.
880 * config/s390/s390.c (s390_init_builtins): Replace calls to
881 lang_hooks.builtin_function with add_builtin_function.
882 * config/sparc/sparc.c (def_builtin): Replace calls to
883 lang_hooks.builtin_function with add_builtin_function.
884 * config/i386/i386.c (def_builtin): Replace calls to
885 lang_hooks.builtin_function with add_builtin_function.
886 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
887 lang_hooks.builtin_function with add_builtin_function.
888 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
889 lang_hooks.builtin_function with add_builtin_function.
890 * config/stormy16/stormy16.c (xstormy16_init_builtins):
891 Replace calls to lang_hooks.builtin_function with
892 add_builtin_function.
893 * config/iq2000/iq2000.c (def_builtin):
894 Replace calls to lang_hooks.builtin_function with
895 add_builtin_function.
896 * config/ia64/ia64.c (def_builtin): Replace calls to
897 lang_hooks.builtin_function with add_builtin_function.
898 * config/rs6000/rs6000.c (def_builtin): Replace calls to
899 lang_hooks.builtin_function with add_builtin_function.
900 (altivec_init_builtins): Replace calls to
901 lang_hooks.builtin_function with add_builtin_function.
902 * config/arm/arm.c (def_mbuiltin): Replace calls to
903 lang_hooks.builtin_function with add_builtin_function.
904 (arm_init_tls_builtins): Replace calls to
905 lang_hooks.builtin_function with add_builtin_function.
906 * config/mips/mips.c (mips_init_builtins): Replace calls to
907 lang_hooks.builtin_function with add_builtin_function.
908 * config/bfin/bfin.c (def_builtin): Replace calls to
909 lang_hooks.builtin_function with add_builtin_function.
910 * langhooks-def.h (lhd_builtin_function): New function.
911 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
913 2006-10-23 Jakub Jelinek <jakub@redhat.com>
915 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
916 BUILT_IN_STRNCAT_CHK.
918 2006-10-23 Jan Hubicka <jh@suse.cz>
920 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
921 don't do conversion from memmove to memcpy here.
922 (expand_builtin_bcopy, expand_builtin): Update call of
923 expand_builtin_memmove.
924 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
926 2006-10-23 Paul Brook <paul@codesourcery.com>
928 * stor-layout.c (start_record_layout): maximum_field_alignment
929 overrides STRUCTURE_SIZE_BOUNDARY.
931 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
933 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
934 nonlocal function symbols if flag_pic.
936 2006-10-23 Richard Guenther <rguenther@suse.de>
940 * builtins.c (fold_binary): Remove checks for flag_wrapv
941 and flag_trapv where negate_expr_p covers these cases.
943 2006-10-23 Richard Guenther <rguenther@suse.de>
946 * fold-const.c (fold_plusminus_mult_expr): Check exact power
947 of two on the absolute value.
948 (fold_binary): Fold x * -C to -x * C if x is easily negatable
949 and negating -C does not overflow.
951 2006-10-23 Richard Guenther <rguenther@suse.de>
954 * convert.c (convert_to_real): Fold (float)-x to -(float)x
955 only if not flag_rounding_math.
957 2006-10-22 Richard Sandiford <richard@codesourcery.com>
958 Kaz Kojima <kkojima@gcc.gnu.org>
961 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
962 SImode memory reference for the source of a movua.
963 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
964 (movua): Use an unspec instead of sign_extract. Expect the source
965 to have mode BLKmode.
966 (extv, insv): Use a BLKmode rather than SImode memory reference
967 for the source of a movua.
969 2006-10-22 Jeff Law <law@redhat.com>
970 Richard Guenther <rguenther@suse.de>
972 PR tree-optimization/15911
973 * tree-vrp.c (extract_code_and_val_from_cond): New function.
974 (register_edge_assert_for_1): Likewise.
975 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
976 (find_conditional_asserts): Adjust for new function signature.
977 (find_assert_locations): Likewise.
979 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
981 * config/i386/tmmintrin.h: Remove the duplicated content.
983 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
985 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
986 (x86_64-*-*): Likewise.
988 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
989 (override_options): Check SSSE3.
990 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
991 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
992 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
993 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
994 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
995 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
996 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
997 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
998 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
999 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1000 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1001 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1002 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1003 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1004 IX86_BUILTIN_PABSD128.
1005 (bdesc_2arg): Add SSSE3.
1006 (bdesc_1arg): Likewise.
1007 (ix86_init_mmx_sse_builtins): Support SSSE3.
1008 (ix86_expand_builtin): Likewise.
1009 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1011 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1012 (UNSPEC_PSIGN): Likewise.
1013 (UNSPEC_PALIGNR): Likewise.
1014 Include mmx.md before sse.md.
1016 * config/i386/i386.opt: Add -mssse3.
1018 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1019 (ssse3_phaddwv4hi3): Likewise.
1020 (ssse3_phadddv4si3): Likewise.
1021 (ssse3_phadddv2si3): Likewise.
1022 (ssse3_phaddswv8hi3): Likewise.
1023 (ssse3_phaddswv4hi3): Likewise.
1024 (ssse3_phsubwv8hi3): Likewise.
1025 (ssse3_phsubwv4hi3): Likewise.
1026 (ssse3_phsubdv4si3): Likewise.
1027 (ssse3_phsubdv2si3): Likewise.
1028 (ssse3_phsubswv8hi3): Likewise.
1029 (ssse3_phsubswv4hi3): Likewise.
1030 (ssse3_pmaddubswv8hi3): Likewise.
1031 (ssse3_pmaddubswv4hi3): Likewise.
1032 (ssse3_pmulhrswv8hi3): Likewise.
1033 (ssse3_pmulhrswv4hi3): Likewise.
1034 (ssse3_pshufbv16qi3): Likewise.
1035 (ssse3_pshufbv8qi3): Likewise.
1036 (ssse3_psign<mode>3): Likewise.
1037 (ssse3_psign<mode>3): Likewise.
1038 (ssse3_palignrti): Likewise.
1039 (ssse3_palignrdi): Likewise.
1040 (abs<mode>2): Likewise.
1041 (abs<mode>2): Likewise.
1043 * config/i386/tmmintrin.h: New file.
1045 * doc/extend.texi: Document SSSE3 built-in functions.
1047 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1049 2006-10-22 Ira Rosen <irar@il.ibm.com>
1051 * tree-vect-transform.c (vectorizable_load): Use the type of the
1052 return value of the mask_for_load builtin to create realign_load
1055 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1057 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1060 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1062 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1063 (UNSPEC_LDDQU): This.
1064 * config/i386/sse.md (sse3_lddqu): Updated.
1066 2006-10-21 Richard Guenther <rguenther@suse.de>
1068 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1069 (expand_builtin): Use it to expand lrint instead of
1070 expand_builtin_mathfn.
1072 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1075 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1076 flag_unsafe_math_optimizations is set.
1078 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1081 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1082 patterns to use memory input operand in x87->mem->XMM
1083 reload sequences. Skip transformation for TARGET_K8.
1085 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1087 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1088 force operand1 to register if both operands are memory operands.
1089 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1090 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1091 if both operands are memory operands.
1092 (truncdfsf2): Do not force operand1 to register if both operands
1093 are memory operands.
1095 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1097 * Makefile.in (LIBS): Add $(GMPLIBS).
1098 * doc/install.texi: Update GMP and MPFR requirements.
1099 * doc/sourcebuild.texi (need_gmp): Delete.
1101 2006-10-21 Richard Guenther <rguenther@suse.de>
1103 PR tree-optimization/3511
1104 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1105 got new invariant arguments during PHI translation.
1107 2006-10-21 Richard Guenther <rguenther@suse.de>
1110 * fold-const.c (fold_comparison): Fold signed comparisons
1111 of the form X +- C1 CMP Y +- C2.
1113 2006-10-21 Richard Guenther <rguenther@suse.de>
1116 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1117 if flag_unsafe_math_optimizations is specified. We have
1118 flag_finite_math_only for that.
1119 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1120 or flag_unsafe_math_optimizations.
1122 2006-10-21 Richard Guenther <rguenther@suse.de>
1124 * builtins.c (fold_builtin_classify): Fix typo.
1126 2006-10-21 Richard Guenther <rguenther@suse.de>
1129 * simplify-rtx.c (simplify_const_relational_operation):
1130 Do not constant-fold ORDERED and UNORDERED for
1131 flag_unsafe_math_optimizations but only we do not need to
1132 honor NaNs for the given mode.
1134 2006-10-21 Richard Guenther <rguenther@suse.de>
1137 * config/i386/i386.c (classify_argument): Remove redundant
1138 walking of the BINFOs.
1139 (contains_128bit_aligned_vector_p): Likewise.
1141 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1143 * BASE-VER: Set to 4.3.0.
1145 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1147 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1148 (tree_decl_with_vis): Remove artificial_pta_var flag.
1149 * tree-flow.h (referenced_var_check_and_insert): Expose.
1150 (nonlocal_all): New prototype.
1151 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1152 (nonlocal_all): Make global.
1153 (nonlocal_lookup): Remove.
1154 (nonlocal_insert): Ditto.
1155 (create_nonlocal_var): Do not call nonlocal_insert.
1156 (get_nonlocal_id_for_type): Remove.
1157 (find_global_initializers): Mark new vars we find for renaming.
1158 (intra_create_variable_infos): Only create one nonlocal.
1159 (expand_nonlocal_solutions): Remove.
1160 (compute_points_to_sets): Don't call it.
1161 (ipa_pta_execute): Ditto.
1162 (init_alias_heapvars): Don't create nonlocal_for_type.
1163 (delete_alias_heapvars): Don't remove it.
1164 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1167 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1169 * doc/install.texi (Downloading GCC): Clarify mention of
1170 Fortran in the "full distribution" description.
1172 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1174 Fix PR tree-optimization/28778
1175 Fix PR tree-optimization/29156
1176 Fix PR tree-optimization/29415
1177 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1178 (tree_decl_with_vis): Add artificial_pta_var flag.
1179 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1180 pushed into callers.
1181 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1182 (nonlocal_all): Ditto.
1183 (struct variable_info): Add directly_dereferenced member.
1184 (var_escaped_vars): New variable.
1185 (escaped_vars_tree): Ditto.
1186 (escaped_vars_id): Ditto.
1187 (nonlocal_vars_id): Ditto.
1188 (new_var_info): Set directly_dereferenced.
1189 (graph_size): New variable
1190 (build_constraint_graph): Use graph_size.
1191 (solve_graph): Don't process constraints that cannot change the
1192 solution, don't try to propagate an empty solution to our
1194 (process_constraint): Set directly_dereferenced.
1195 (could_have_pointers): New function.
1196 (get_constraint_for_component_ref): Don't process STRING_CST.
1197 (nonlocal_lookup): New function.
1198 (nonlocal_insert): Ditto.
1199 (create_nonlocal_var): Ditto.
1200 (get_nonlocal_id_for_type): Ditto.
1201 (get_constraint_for): Allow results vector to be empty in the case
1202 of string constants.
1203 Handle results of calls properly.
1204 (update_alias_info): Update alias info stats on number and type of
1206 (find_func_aliases): Use could_have_pointers.
1207 (make_constraint_from_escaped): Renamed from
1208 make_constraint_to_anything, and changed to make constraints from
1210 (make_constraint_to_escaped): New function.
1211 (find_global_initializers): Ditto.
1212 (create_variable_info_for): Make constraint from escaped to any
1213 global variable, and from any global variable to the set of
1215 (intra_create_variable_infos): Deal with escaped instead of
1216 pointing to anything.
1217 (set_uids_in_ptset): Do type pruning on directly dereferenced
1219 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1220 (init_base_vars): Fix comment, and initialize escaped_vars.
1221 (need_to_solve): Removed.
1222 (find_escape_constraints): New function.
1223 (expand_nonlocal_solutions): Ditto.
1224 (compute_points_to_sets): Call find_escape_constraints and
1225 expand_nonlocal_solutions.
1226 (delete_points_to_sets): Don't fall off the end of the graph.
1227 (init_alias_heapvars): Initialize nonlocal_for_type and
1229 (delete_alias_heapvars): Free nonlocal_for_type and null out
1232 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1234 * fold-const.c (add_double): Rename to add_double_with_sign.
1235 Add 'unsigned_p' parameter and take it into account for the overflow.
1236 (mul_double): Rename to mul_double_with_sign.
1237 Add 'unsigned_p' parameter and take it into account for the overflow.
1238 (fold_div_compare): Call add_double_with_sign instead of add_double
1239 and mul_double_with_sign instead of mul_double, passing them the
1240 unsignedness of the type.
1241 * tree.h (add_double): Macroize.
1242 (add_double_with_sign): New prototype.
1243 (mul_double): Macroize.
1244 (mul_double_with_sign): New prototype.
1246 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1248 * config/score/crti.asm: New file.
1249 * config/score/crtn.asm: New file.
1250 * config/score/elf.h: New file.
1251 * config/score/mac.md: New file.
1252 * config/score/misc.md: New file.
1253 * config/score/mul-div.S: New file.
1254 * config/score/predicates.md: New file.
1255 * config/score/score7.md: New file.
1256 * config/score/score.c: New file.
1257 * config/score/score-conv.h: New file.
1258 * config/score/score.h: New file.
1259 * config/score/score.md: New file.
1260 * config/score/score-mdaux.c: New file.
1261 * config/score/score-mdaux.h: New file.
1262 * config/score/score-modes.def: New file.
1263 * config/score/score.opt: New file.
1264 * config/score/score-protos.h: New file.
1265 * config/score/score-version.h: New file.
1266 * config/score/t-score-elf: New file.
1267 * config.gcc: Add score*-*-* configurations(Update before).
1268 * doc/invoke.texi (Score Options): New section.
1269 * doc/md.texi (Score family): New section to document constraints.
1271 2006-10-19 Nick Clifton <nickc@redhat.com>
1273 * config/arm/arm.c: Fix spelling typo.
1275 2006-10-18 Tom Tromey <tromey@redhat.com>
1277 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1279 2006-10-18 Jan Hubicka <jh@suse.cz>
1282 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1285 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1287 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1288 TSI_SAME_STMT, since that's the desired entity.
1290 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1292 * config/s390/contraints.md: New file.
1293 * config/s390/s390-protos.h (s390_mem_constraint,
1294 s390_O_constraint_str, s390_N_constraint_str,
1295 s390_float_const_zero_p): Function prototypes added.
1296 * config/s390/s390.c (s390_extra_constraint_str,
1297 s390_const_double_ok_for_constraint_p,
1298 s390_const_ok_for_constraint_p): Functions removed.
1299 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1300 s390_float_const_zero_p): New functions.
1301 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1302 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1303 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1304 Macro definitions removed.
1305 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1306 s390_extra_constraint_str): Functions removed.
1308 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1309 Richard Sandiford <richard@codesourcery.com>
1312 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1313 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1315 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1317 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1318 (DWARF2_FRAME_REG_OUT): Likewise.
1319 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1320 (DWARF2_FRAME_REG_OUT): Likewise.
1322 2006-10-17 Paul Brook <paul@codesourcery.com>
1324 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1326 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1328 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1329 Standardize on "GNU Fortran" as the official name of the Fortran
1332 2006-10-16 Mike Stump <mrs@apple.com>
1334 * doc/invoke.texi (Darwin Options): Document -mkernel.
1335 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1337 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1338 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1339 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1340 (OS_MISSING_ALTIVEC): Add.
1341 * config/i386/i386.c (override_options): Add
1342 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1343 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1344 -mkernel, -static or -mdynamic-no-pic is given.
1345 (C_COMMON_OVERRIDE_OPTIONS): Add.
1346 * config/darwin.opt (fapple-kext): Add.
1348 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1349 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1351 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1352 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1353 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1354 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1355 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1356 (flag_mkernel): Add.
1357 (flag_apple_kext): Add.
1358 (TARGET_KEXTABI): Add.
1359 * config/darwin.c (darwin_handle_kext_attribute): Add.
1360 (DARWIN_VTABLE_P): Add.
1361 (darwin_binds_local_p): Add partial support for rebinding vtables
1363 (darwin_kextabi_p): Add.
1364 (darwin_override_options): Add.
1365 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1366 (darwin_kextabi_p): Add.
1367 (darwin_override_options): Add.
1368 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1369 __DYNAMIC__ and __STATIC__ here.
1371 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1373 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1374 Added mention of "make pdf" target, and Texinfo requirements for
1377 2006-10-16 DJ Delorie <dj@redhat.com>
1379 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1380 into the GOT in case we need a subreg of the address.
1382 2006-10-16 Richard Guenther <rguenther@suse.de>
1385 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1386 SSE builtin documentation. Document SSE2 builtins.
1388 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1390 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1391 symbol in the output file for non-shared links when -nostdlib or
1392 -nodefaultlibs isn't specified.
1394 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1395 posix thread support.
1397 2006-10-15 Jan Hubicka <jh@suse.cz>
1400 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1401 declared always_inline even when not inlining.
1403 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1404 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1405 Andrew Pinski <pinskia@gmail.com>
1408 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1410 2006-10-15 Jan Hubicka <jh@suse.cz>
1411 Richard Guenther <rguenther@suse.de>
1414 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1415 process_function_and_variable_attributes on all variables, including
1416 those discovered during cgraph construction phase.
1418 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1420 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1422 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1424 * config/i386/athlon.md (athlon_fist): Add fisttp.
1426 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1427 Ian Lance Taylor <ian@airs.com>
1430 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1431 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1434 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1436 * config/score/score.c, config/score/score.h: Fix comment
1439 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1442 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1445 2006-10-13 Eric Christopher <echristo@apple.com>
1447 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1449 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1452 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1453 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1454 alignment supported by 32-bit ELF.
1456 2006-10-13 Eric Christopher <echristo@apple.com>
1458 * config/darwin.c (darwin_emit_unwind_label): Strip
1459 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1461 2006-10-13 Richard Guenther <rguenther@suse.de>
1463 PR tree-optimization/29446
1464 * tree-vrp.c (fix_equivalence_set): Remove.
1465 (extract_range_from_assert): Do not call fix_equivalence_set.
1466 (debug_value_range): Print a newline.
1467 (compare_name_with_value): For equivalence sets with
1468 inconsistent value ranges conservatively bail out.
1469 (compare_names): Likewise.
1471 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1473 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1474 and MPFR for gfortran.
1476 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1478 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1479 alignment supported by 32-bit ELF.
1481 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1485 * c-typeck.c (digest_init): Always allow initializing vectors
1486 that have static storage duration with compound literals.
1487 * tree.c (build_type_attribute_qual_variant): New, based on
1488 build_type_attribute_variant.
1489 (build_type_attribute_variant): Rewrite using the former.
1490 (make_vector_type): Use build_type_attribute_qual_variant to build
1491 type variants. Use type_hash_canon on the others.
1493 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1494 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1496 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1498 2006-10-12 Jan Hubicka <jh@suse.cz>
1501 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1502 current_function_decl is set but current_function_scope is not.
1504 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1506 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1507 emit_insn to emit eh_return_internal instruction.
1508 (eh_return_internal): Explicitly set pc.
1510 2006-10-11 Richard Guenther <rguenther@suse.de>
1512 PR tree-optimization/28230
1513 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1514 to the correct place.
1516 2006-10-11 Richard Guenther <rguenther@suse.de>
1519 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1522 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1524 * configure.ac: Added pdf to "Make-hooks"
1525 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1526 targets and *.pdf file patterns in cleanup targets.
1527 * configure: Regenerated.
1529 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1531 * config/avr/predicates.md: New file.
1532 * config/avr/avr.md: Include it.
1533 (REG_SP): New constant.
1534 (peepholes): Use predicates.
1535 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1536 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1537 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1539 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1541 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1544 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1547 * builtins.c (var_decl_component_p): New function.
1548 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1549 single entry optimization to variables and components thereof.
1551 2006-10-10 Richard Guenther <rguenther@suse.de>
1553 PR rtl-optimization/29323
1554 * except.c (set_nothrow_function_flags): For functions
1555 that do not bind local bail out early.
1557 2006-10-10 Ben Elliston <bje@au.ibm.com>
1559 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1562 2006-10-09 Richard Henderson <rth@redhat.com>
1564 Revert emutls patch.
1566 2006-10-09 Richard Guenther <rguenther@suse.de>
1569 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1572 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1575 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1576 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1577 * configure: Regenerate.
1578 * config.in: Regenerate.
1580 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1582 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1584 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1586 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1587 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1588 Remove stray newline.
1590 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1592 * config/mips/mips.c (mips_classify_symbol): Do not return
1593 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1594 (mips_in_small_data_p): Tweak comments.
1596 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1598 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1600 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1602 * gimplify.c, sched-int.h: Fix comment typos.
1604 * sched-int.h: Fix comment typos.
1606 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1608 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1610 * sched-ebb.c (begin_schedule_ready): Use them.
1611 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1612 add_to_speculative_block, create_check_block_twin, speculate_insn,
1613 fix_jump_move, move_block_after_check): Ditto.
1614 * sched-rgn.c (new_ready): Ditto.
1616 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1618 PR rtl-optimization/29128
1619 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1620 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1621 allow interblock movement of speculation checks.
1623 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1626 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1627 casted to integer type.
1628 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1629 if they are significantly more expensive than [reg + index] ones.
1631 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1633 PR tree-optimization/29330
1634 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1635 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1636 on newly allocated ddrs.
1637 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1638 to VEC (loop_p, heap) pointer.
1639 (compute_data_dependences_for_loop): Adjust caller.
1640 (free_dependence_relations): Free DDR_LOOP_NEST.
1642 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1643 free DEPENDENCE_RELATIONS and DATAREFS.
1646 * builtins.c (expand_builtin_sync_operation,
1647 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1648 Use convert_to_mode to handle promoted arguments.
1650 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1652 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1654 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1656 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1658 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1660 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1661 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1662 Use <modeconstraint> instead of "r" as operand 1 constraint.
1664 2006-10-06 Olivier Hainque <hainque@adacore.com>
1666 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1667 Don't recurse on the pointed-to type.
1668 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1669 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1670 types with components of variable size.
1672 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1674 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1676 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1678 PR tree-optimization/29290
1679 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1683 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1684 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1687 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1688 the number of vector elements fill the rest with zeros.
1690 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1692 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1693 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1696 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1698 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1699 unnamed pattern into subsi3. Use correct constraints/predicates.
1700 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1701 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1703 2006-10-05 Ira Rosen <irar@il.ibm.com>
1705 * doc/loop.texi: Add data references analysis description.
1707 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1709 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1711 2006-10-04 Richard Henderson <rth@redhat.com>
1712 Jakub Jelinek <jakub@redhat.com>
1714 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1715 * builtin-types.def (BT_WORD): Make unsigned.
1716 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1717 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1718 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1719 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1720 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1721 * cgraph.c (decide_is_variable_needed): Look at force_output.
1722 Recurse for emulated tls.
1723 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1724 checks redundant with decide_is_variable_needed.
1725 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1726 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1728 * expr.c (emutls_var_address): New.
1729 (expand_expr_real_1): Expand emulated tls.
1730 (expand_expr_addr_expr_1): Likewise.
1731 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1732 * output.h (emutls_finish): Declare.
1733 * toplev.c (compile_file): Call it.
1734 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1735 address before wrapping in CONST.
1736 * varasm.c (emutls_htab, emutls_object_type): New.
1737 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1738 (get_emutls_object_name, get_emutls_object_type): New.
1739 (get_emutls_init_templ_addr, emutls_decl): New.
1740 (emutls_common_1, emutls_finish): New.
1741 (assemble_variable): When emulating tls, swap decls; generate
1742 constructor for the emutls objects.
1743 (do_assemble_alias): When emulating tls, swap decl and target name.
1744 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1746 * emutls.c: New file.
1747 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1748 tls_object for real tls.
1750 2006-10-04 Zack Weinberg <zackw@panix.com>
1752 Fix bug in constraint-check generator, reported by Rask Ingemann
1754 * genpreds.c (add_constraint): Don't remove anything from the
1756 (write_tm_constrs_h): Detect whether "op" argument is used, and
1757 mark it ARG_UNUSED if it isn't.
1758 (write_insn_const_int_ok_for_constraint): Skip the part of the
1759 expression that would test whether "op" (which is not available
1760 here) is a CONST_INT.
1762 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1765 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1767 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1769 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1770 current Leopard versions.
1771 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1773 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1775 * doc/install.texi: Fix typos.
1777 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1779 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1780 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1781 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1783 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1785 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1786 arg to be struct mach_header_64* instead.
1788 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1791 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1792 side effects after the outer expression's post side effects.
1794 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1796 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1797 comments to reflect actual behavior and relationship between
1798 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1800 * doc/c-tree.texi (Working with declarations): Fix documentation
1801 of FIELD_DECL likewise.
1803 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1806 * doc/extend.texi: Add used variable attribute description.
1808 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1811 * c.opt (Woverride-init): New.
1812 * c-opts.c (c_common_post_options): Default warn_override_init to
1814 * c-typeck.c (add_pending_init, output_init_element): Warn for
1815 overriding initializers without side effects.
1816 * doc/invoke.texi (-Woverride-init): Document.
1819 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1821 PR rtl-optimization/28096
1822 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1823 assignment has already been used as a destination earlier in the block.
1825 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1827 * builtins.c (expand_builtin_setjmp): Delete.
1828 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1829 <BUILT_IN_SETJMP_SETUP>: New case.
1830 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1831 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1832 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1833 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1834 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1835 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1836 (lower_function_body): Initialize it to false. If it is set to true
1837 at the end of the processing, emit the setjmp dispatcher.
1838 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1839 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1840 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1841 on the rhs of the assignment.
1842 (lower_builtin_setjmp): New function.
1843 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1844 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1845 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1846 to detect calls that can go to non-local labels. Use specific
1847 helper to create the abnormal edges associated with them.
1848 <MODIFY_EXPR>: Likewise.
1849 (make_abnormal_goto_edges): New function extracted from...
1850 (make_goto_expr_edges): ...here. Call it for computed gotos.
1851 (simple_goto_p): Minor tweak.
1852 (tree_can_make_abnormal_goto): New predicate.
1853 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1854 (tree_purge_dead_abnormal_call_edges): New function.
1855 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1856 (tree_purge_dead_abnormal_call_edges): Likewise.
1857 (make_abnormal_goto_edges): Likewise.
1858 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1859 Purge all dead abnormal edges if the call was in the last statement.
1860 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1861 (execute_fixup_cfg): If there are non-local labels in the function,
1862 scan the basic blocks and split them at calls that can go to non-local
1863 labels or add missing abnormal call edges. Write down the CFG in the
1865 (pass_fixup_cfg): Remove TODO_dump_func flag.
1866 * unwind-sjlj.c: Poison setjmp.
1867 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1868 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1869 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1870 (DONT_USE_BUILTIN_SETJMP): Document it.
1872 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1875 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1876 to 1 when __ppc64__ is defined.
1877 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1879 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1881 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1883 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1884 * config/ia64/unwind-hpux.c: Delete.
1886 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1888 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1889 on the element before gimplifying it, instead of punting if it is of
1892 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1894 * doc/loop.texi: New file.
1895 * doc/gccint.texi: Reference loop.texi.
1896 * Makefile.in (loop.texi): Add.
1898 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1900 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1902 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1903 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1905 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1907 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1909 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1911 * doc/install.texi: Document required versions of GMP and MPFR.
1913 2006-09-27 Paul Brook <paul@codesourcery.com>
1916 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1918 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1920 * reload1.c (alter_reg): Require the alignment of the stack slot to
1921 be at least reg_max_ref_width bytes.
1922 (scan_paradoxical_subregs): Record the largest width in
1925 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1929 * tree-nested.c (struct nesting_info): Added static_chain_added.
1930 (convert_call_expr): Set static_chain_added when adding static
1931 chain. Handle OMP_PARALLEL and OMP_SECTION.
1933 2006-09-25 Matthias Klose <doko@debian.org>
1935 * doc/invoke.texi: Add missing full stop.
1937 2006-09-25 Richard Henderson <rth@redhat.com>
1939 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1940 before cgraph_function_flags_ready.
1942 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1943 Adam Nemet <anemet@caviumnetworks.com>
1945 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1946 determine_common_wider_type): New functions.
1947 (get_computation_aff): Use them to simplify arithmetic between
1948 UBASE and CBASE if they are shortened from the same type.
1950 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1953 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1954 -2147483647 - 1 instead of 0x80000000.
1956 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1958 * flags.h (HONOR_NANS): Fix typo in comment.
1960 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1962 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1964 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1968 * tree.c (merge_attributes, attribute_list_contained): If both
1969 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1971 * c-typeck.c (comptypes_internal): Don't consider aggregates
1972 in different TUs as compatible if there one set of attributes is
1973 not a subset of the other type's attributes.
1974 (composite_type): Try harder not to create a new aggregate type.
1976 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1978 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1979 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1980 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1981 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1982 than replicating condition above.
1983 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1985 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1986 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1987 the linker by default.
1989 2006-09-22 Mike Stump <mrs@apple.com>
1991 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1994 2006-09-22 Richard Guenther <rguenther@suse.de>
1997 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1998 sort of stack variables stable.
2000 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2003 * explow.c (force_reg): Set REG_POINTER flag according to
2006 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2008 PR tree-optimization/28888
2009 * tree-if-conv.c (combine_blocks): Rewritten.
2010 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2011 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2013 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2015 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2018 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2020 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2022 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2024 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2026 2006-09-21 Roger Sayle <roger@eyesopen.com>
2029 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2030 dw_fde_current_label, to be the start of the function, i.e. the same
2031 value as dw_fde_begin.
2033 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2035 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2036 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2037 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2038 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2039 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2040 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2041 (abs<mode>2, neg<mode>2): Likewise.
2042 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2043 (*mips_abs_ps): New define_insn.
2045 2006-09-20 Josh Conner <jconner@apple.com>
2048 * calls.c (expand_call): Allow reuse of structure return stack
2051 2006-09-20 Paul Brook <paul@codesourcery.com>
2053 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2056 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2058 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2059 clean up terminology.
2061 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2064 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2065 with tablejumps in them.
2067 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2070 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2071 wrap it into TARGET_EXPR.
2073 2006-09-20 Eric Christopher <echristo@apple.com>
2075 * config/i386/i386.c (x86_fisttp): Remove.
2076 * config/i386/i386.h (x86_fisttp): Ditto.
2077 (TARGET_FISTTP): Ditto.
2079 2006-09-19 Eric Christopher <echristo@apple.com>
2081 * doc/tm.texi (OBJC_JBLEN): Describe.
2082 * config/i386/darwin.h (OBJC_JBLEN): Define.
2083 * config/rs6000/darwin.h: Ditto.
2085 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2087 PR rtl-optimization/21299
2088 * reload1.c (reload): Purge invalid ASMs in the final pass.
2090 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2093 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2094 pointers as legitimate constants.
2096 2006-09-19 Paul Brook <paul@codesourcery.com>
2099 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2101 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2103 PR tree-optimization/28887
2104 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2105 component parts from the reference.
2106 (gather_memory_references_ref): Record the reference without the
2107 nonaddressable component parts.
2109 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2112 * c-opts.c (c_common_handle_option): Ignore the -std options
2113 if the input language is assembly.
2115 2006-09-17 Ira Rosen <irar@il.ibm.com>
2118 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2120 (ptr_ptr_may_alias_p): Likewise.
2121 (record_record_differ_p): New function.
2122 (base_object_differ_p): Call record_record_differ_p.
2124 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2127 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2128 away for the expr argument.
2130 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2133 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2134 before using it for dumping after vectorizing loops.
2136 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2137 Jack Howarth <howarth@bromo.med.uc.edu>
2140 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2141 skip on error_mark_node.
2142 (rs6000_darwin64_record_arg_recurse): Likewise.
2144 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2146 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2147 * doc/rtl.texi: Remove related documentation.
2149 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2151 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2154 2006-09-15 Jim Wilson <wilson@specifix.com>
2156 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2157 Handle symbol offsets same as they are handled in ia64_expand_move
2160 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2162 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2163 Add forgotten parameter to the fprintf call.
2165 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2167 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2169 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2171 * doc/contrib.texi: Add my entry.
2173 2006-09-15 Nick Clifton <nickc@redhat.com>
2175 * doc/md.texi (Processor pipeline description): Fix typo in
2176 example of how to use the absence_set directive and reword the
2177 description to make it slightly easier to read.
2179 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2181 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2182 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2183 expanding the number of iterations.
2184 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2186 * cfgrtl.c (emit_insn_at_entry): New function.
2187 * rtl.h (emit_insn_at_entry): Declare it.
2188 * integrate.c (emit_initial_value_sets): Use it.
2190 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2192 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2194 (struct loop_work and related VEC declarations): Delete.
2195 (bfin_dump_loops): Print out new member bad.
2196 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2197 (bfin_scan_loop): Don't recurse.
2198 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2199 loops. No longer need to update outer loops if the current one is
2200 found bad. Move some validitiy checks to bfin_discover_loop.
2201 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2202 but changed not to check for nesting. Also changed to use the new bad
2204 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2205 time. Use bitmap based test to discover loop nesting.
2207 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2209 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2212 2006-09-14 Richard Guenther <rguenther@suse.de>
2213 Kazu Hirata <kazu@codesourcery.com>
2215 PR middle-end/28884.
2216 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2217 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2218 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2219 with TARGET_FUNCTION_VALUE.
2221 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2224 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2226 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2228 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2231 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2234 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2237 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2239 * basic_block.h (bb_has_eh_pred): Fix comment.
2241 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2243 * flow.c (calculate_global_regs_live): Invalidate eh registers
2244 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2245 (propagate_block): Handle eh registers as if they were set at basic
2247 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2249 * global.c (global_conflicts): Make eh registers to conflict with
2250 pseudos live at basic block begin.
2251 * basic_block.h (bb_has_eh_pred): New function.
2253 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2255 PR rtl-optimization/28982
2256 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2257 index of a PRE_MODIFY or POST_MODIFY address.
2258 * reload1.c (inc_for_reload): Use find_replacement on the original
2259 base and index registers.
2261 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2263 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2264 for -Os. Update __m128 alignment requirement.
2266 2006-09-13 Jan Hubicka <jh@suse.cz>
2268 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2270 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2272 PR rtl-optimization/28243
2273 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2274 the insn to which the note was originally attached.
2276 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2277 Roger Sayle <roger@eyesopen.com>
2279 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2280 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2281 on platforms that don't use dwarf for debug info.
2283 2006-09-12 Jason Merrill <jason@redhat.com>
2286 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2287 hard_frame_pointer_rtx after using it to update the frame pointer.
2289 2006-09-12 Roger Sayle <roger@eyesopen.com>
2291 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2292 (TARGET_ASM_CLOSE_PAREN): Likewise.
2293 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2294 (TARGET_ASM_CLOSE_PAREN): Likewise.
2296 2006-09-12 Roger Sayle <roger@eyesopen.com>
2299 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2300 frame information for frames larger than 512 Kbytes on Tru64 when
2301 using the native assembler.
2303 2006-09-12 Roger Sayle <roger@eyesopen.com>
2307 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2308 and symbols. Instead use the implementation from cse.c's hash_rtx.
2310 2006-09-12 Jan Hubicka <jh@suse.cz>
2312 PR rtl-optimization/28071
2313 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2314 (vect_transform_loop): Likewise.
2315 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2316 (new_loop_vec_info): Likewise.
2317 (destroy_loop_vec_info): Likewise.
2318 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2319 (create_stmt_ann): Likewise.
2320 (create_tree_ann): Rename to ...
2321 (create_tree_common_ann): ... this one; allocate only the common part
2323 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2324 (get_value_handle): Likewise.
2325 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2326 get_tree_common_ann.
2327 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2328 (vinfo_for_stmt): Use stmt annotations.
2329 * tree-flow.h (tree_ann_common_t): New type.
2330 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2331 (tree_ann, get_tree_ann, create_tree_ann): New.
2332 * tree-flow-inline.h (get_function_ann): Do more type checking.
2333 (stmt_ann): Likewise.
2334 (tree_ann): Rename to ...
2335 (tree_common_ann): ... this one; return ony common_ann
2336 (get_tree_ann): Rename to ...
2337 (tree_common_ann): This one; return only common_ann.
2338 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2341 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2343 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2344 with_cpu by default.
2346 * dwarf2out.c (dwarf_file_data): New.
2347 (enum dw_val_class): Add dw_val_class_file.
2348 (struct dw_val_struct): Add val_file.
2349 (file_table): Change to a hash table.
2350 (file_table_emitted): Delete.
2351 (file_table_last_lookup_index): Delete.
2352 (emitcount): Delete.
2353 (last_emitted_file): New.
2354 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2355 (init_file_table): Delete.
2356 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2357 (AT_addr): Add comment.
2361 (print_die): Handle dw_val_class_file.
2362 (print_dwarf_line_table): Update for new file table structure.
2363 (attr_checksum): Do checksum a filename.
2364 (same_dw_val_p, same_attr_p): Do compare a filename.
2365 (size_of_die): Handle dw_val_class_file.
2366 (value_format): Likewise.
2367 (output_die): Likewise. Also, call maybe_emit_file here.
2368 (struct file_info): Constify filenames. Make file_idx a pointer
2369 to a struct dwarf_file_data.
2370 (struct dir_info): Constify directory names. Remove 'used' field.
2371 (struct file_name_acquire_data): New.
2372 (file_name_acquire): New.
2373 (output_file_names): Modify to handle new file data structures.
2374 (add_src_coords_attributes): Use add_AT_file.
2375 (add_call_src_coords_attributes): Likewise.
2376 (dwarf2out_imported_module_or_decl): Likewise.
2377 (gen_subprogram_die): Modify for new file data structures.
2378 (gen_variable_die): Likewise.
2379 (file_table_eq): New.
2380 (file_table_hash): New.
2381 (file_table_last_lookup): New.
2382 (lookup_filename): Rewrite to handle new file data structures.
2383 (maybe_emit_file): Rewrite to handle new file data structures.
2384 (dwarf2out_source_line): Always call lookup_filename and
2386 (dwarf2out_init): Create file_table here.
2387 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2388 (file_table_relative_p): New.
2389 (dwarf2out_finish): Change detection of relative filenames
2390 to work with new file data structures. Move output_line_info call
2391 after debug_info output.
2393 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2398 * config/i386/i386.c (override_options): Always default to 16
2399 byte stack boundary.
2401 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2404 * var-tracking.c (dump_dataflow_set): Start dumping at
2406 (clobber_variable_part): Kill only the variable part in
2407 registers holding it, leaving other variables alone.
2409 2006-09-11 Josh Triplett <josh@freedesktop.org>
2411 * doc/extend.texi (Other Builtins): Actually use the macro
2412 argument in the documentation example for
2413 __builtin_types_compatible_p.
2415 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2417 PR rtl-optimization/28726
2418 * sched-deps.c (sched_analyze_reg): New function extracted from...
2419 (sched_analyze_1): ...here. Call it to analyze references to
2420 registers. Treat again writes to a stack register as writing to the
2422 (sched_analyze_2): ...and here. Call it to analyze references to
2423 registers. Treat again reads of a stack register as reading the
2426 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2427 David Edelsohn <edelsohn@gnu.org>
2430 * config/rs6000/spe.md (frob_df_di): Remove %H.
2431 (frob_di_df): Remove %H. Change evmergelo to mr.
2432 (frob_di_df_2): Remove %H. Change evldd to two loads.
2434 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2436 * doc/cpp.texi: Fix names of charset options.
2438 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2441 * config/i386/i386.c (override_options): Use 128-bit
2442 stack boundary always for 64bits.
2444 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2446 PR rtl-optimization/28636
2447 * combine.c (force_to_mode): Test for side-effects before
2448 substituting by zero.
2449 (simplify_shift_const): Likewise for zero or other constants.
2451 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2454 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2457 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2460 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2461 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2462 returned by mode_for_size, rather than the mode of src itself,
2463 to choose between 32-bit and 64-bit patterns.
2464 (mips_mem_fits_mode_p): New function.
2465 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2466 that the size of the source matches the size of the destination.
2467 (mov_<store>l, mov_<store>r): Likewise.
2469 2006-09-10 Eric Christopher <echristo@apple.com>
2471 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2474 2006-09-09 Eric Christopher <echristo@apple.com>
2477 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2480 2006-09-09 Roger Sayle <roger@eyesopen.com>
2481 Nicolas Setton <setton@adacore.com>
2483 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2485 2006-09-10 Andreas Schwab <schwab@suse.de>
2487 * config/m68k/m68k.md (bungt_rev): New pattern.
2489 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2490 Dale Johannesen <dalej@apple.com>
2493 * regclass.c (struct reg_pref): Update documentation.
2494 (regclass): Set prefclass to NO_REGS if memory is the best option.
2495 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2497 2006-09-08 Eric Christopher <echristo@apple.com>
2499 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2500 * config/t-slibgcc-darwin: Support x86_64 multilib.
2501 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2502 Return 1 for x86_64-darwin.
2503 * config/i386/t-darwin: Add m64 multilib.
2504 (LIB2_SIDITI_CONV_FUNCS): Use.
2505 (LIB2FUNCS_EXTRA): Ditto.
2506 * config/i386/darwin.h: Support x86_64.
2507 * config/i386/i386.c (override_options): Turn on flag_pic
2508 for x86_64-darwin. Disable flag_omit_pointer.
2509 (get_pc_thunk_name): Assert !TARGET_64BIT.
2510 (legitimate_address_p): Disable machopic addressing for
2512 (legitimize_pic_address): Ditto.
2513 (ix86_expand_move): Ditto.
2514 (ix86_expand_call): Ditto.
2515 (machopic_output_stub): Ditto.
2516 * config/darwin.c (machopic_select_section): Support literal16.
2517 (machopic_select_rtx_section): Ditto.
2518 * config/darwin-sections.def: Ditto.
2519 * config/darwin-64.c: New.
2521 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2524 * c-tree.h (struct c_arg_info): Add pending_sizes.
2525 * c-parser.c (c_parser_parms_declarator,
2526 c_parser_parms_list_declarator): Initialize pending_sizes.
2527 * c-decl.c (get_parm_info): Initialize pending_sizes.
2528 (get_parm_info): Set pending_sizes.
2529 (grokdeclarator): Call put_pending_sizes for parameters for
2530 function definition only.
2532 2006-09-07 Jason Merrill <jason@redhat.com>
2535 * varasm.c (output_constant): Only strip actual no-op conversions.
2538 * config/i386/i386.c (override_options): Use 128-bit
2539 stack boundary if -msse.
2541 2006-09-07 Eric Christopher <echristo@apple.com>
2543 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2545 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2548 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2550 * dwarf2out.c: Remove strange characters from comment above
2551 dwarf2out_frame_debug_expr.
2553 2006-09-07 Eric Christopher <echristo@apple.com>
2555 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2556 * config/darwin.h: ... to here.
2558 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2560 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2562 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2563 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2565 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2566 TARGET_PARTIAL_FLAG_REG_STALL.
2567 (*ashldi3_cconly_rex64): Likewise.
2568 (*ashlsi3_cmp): Likewise.
2569 (*ashlsi3_cconly): Likewise.
2570 (*ashlsi3_cmp_zext): Likewise.
2571 (*ashlhi3_cmp): Likewise.
2572 (*ashlhi3_cconly): Likewise.
2573 (*ashlqi3_cmp): Likewise.
2574 (*ashlqi3_cconly): Likewise.
2575 (*ashrdi3_cmp_rex64): Likewise.
2576 (*ashrdi3_cconly_rex64): Likewise.
2577 (*ashrsi3_cmp): Likewise.
2578 (*ashrsi3_cconly): Likewise.
2579 (*ashrsi3_cmp_zext): Likewise.
2580 (*ashrhi3_cmp): Likewise.
2581 (*ashrhi3_cconly): Likewise.
2582 (*ashrqi3_cmp): Likewise.
2583 (*ashrqi3_cconly): Likewise.
2584 (*lshrdi3_cmp_rex64): Likewise.
2585 (*lshrdi3_cconly_rex64): Likewise.
2586 (*lshrsi3_cmp): Likewise.
2587 (*lshrsi3_cconly): Likewise.
2588 (*lshrsi3_cmp_zext): Likewise.
2589 (*lshrhi3_cmp): Likewise.
2590 (*lshrhi3_cconly): Likewise.
2591 (*lshrqi2_cmp): Likewise.
2592 (*lshrqi2_cconly): Likewise.
2594 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2597 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2598 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2599 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2600 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2601 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2602 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2603 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2604 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2605 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2606 implement only CC setting effects of shift instructions.
2608 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2610 * doc/contrib.texi: Add myself.
2612 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2615 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2616 was set by the user.
2618 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2621 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2622 (divsi_inv_m1): Use them.
2623 (UNSPEC_DIV_INV_TABLE): New constant.
2625 2006-09-06 James E Wilson <wilson@specifix.com>
2628 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2629 then call count_or_remove_death_notes.
2631 2006-09-06 Jason Merrill <jason@redhat.com>
2634 * tree-inline.c (copy_result_decl_to_var): New fn.
2635 (declare_return_variable): Use it. Call declare_inline_vars here.
2636 (expand_call_inline): Not here.
2638 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2640 * doc/contrib.texi: Update my entry.
2642 2006-09-06 Nick Clifton <nickc@redhat.com>
2644 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2646 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2649 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2650 (canonicalize_induction_variables): Likewise.
2651 (tree_unroll_loops_completely): Likewise.
2652 (tree_ssa_prefetch_arrays): Likewise.
2653 (remove_empty_loops): Likewise.
2654 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2655 TODO_cleanup_cfg instead of directly calling
2656 cleanup_tree_cfg_loop.
2657 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2659 (tree_unroll_loops_completely): Likewise.
2660 (remove_empty_loops): Likewise.
2661 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2662 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2663 of tree_ssa_unswitch_loops.
2664 (tree_ssa_loop_ivcanon): Use the return value of
2665 canonicalize_induction_variables.
2666 (tree_ssa_empty_loop): Use the return value of
2668 (tree_complete_unroll): Use the return value of
2669 tree_unroll_loops_completely.
2670 (tree_ssa_loop_prefetch): Use the return value of
2671 tree_ssa_prefetch_arrays.
2672 * passes.c (execute_todo): Before Cleanup CFG, set
2673 updating_used_alone and after cleanup CFG, call
2674 recalculate_used_alone.
2676 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2679 * tree-vect-transform.c (vectorizable_condition): Move the check
2680 for the type after the check for simple condition.
2682 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2683 Kaz Kojima <kkojima@gcc.gnu.org>
2686 * mode-switching.c (optimize_mode_switching): Make the destination
2687 block of an abnormal edge have no anticipatable mode. Don't
2688 insert mode switching code at the end of the source block of
2691 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2693 PR rtl-optimization/26847
2694 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2695 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2696 (simplify_plus_minus): Count n_constants while filling ops. Replace
2697 qsort with insertion sort. Before going through the array to simplify
2698 pairs, sort it. Delay early exit until after the first sort, exiting
2699 only if no swaps occurred. Simplify pairs in reversed order, without
2700 special-casing the first iteration. Pack ops after simplifying pairs.
2702 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2704 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2705 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2706 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2707 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2709 2006-09-05 Richard Guenther <rguenther@suse.de>
2711 PR tree-optimization/28900
2712 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2713 compound conditional before creating COND_EXPR condition.
2715 2006-09-05 Richard Guenther <rguenther@suse.de>
2717 PR tree-optimization/28905
2718 * tree-vrp.c (fix_equivalence_set): Manually implement
2719 !value_ranges_intersect_p to also handle symbolic ranges.
2721 2006-09-05 Richard Guenther <rguenther@suse.de>
2724 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2727 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2729 PR rtl-optimization/27616
2730 * cse.c (table_size): New static variable.
2731 (new_basic_block): Initialize it to 0.
2732 (remove_from_table): Decrement it.
2733 (insert): Increment it.
2734 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2735 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2736 fold_rtx_mem_1 if under the cap.
2737 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2738 the lookup of the equivalent expression and test for equality of the
2739 first operand of the equivalent expression before in turn looking up
2740 an equivalent constant for the second operand.
2742 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2745 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2746 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2747 pointer, instead of assuming it is possible to derive the
2748 correct args size from a call insn.
2750 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2753 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2754 (fold_builtin_mempcpy): Rename to...
2755 (fold_builtin_memory_op): ... this. Optimize one element copy
2757 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2759 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2760 (expand_builtin_memcpy, expand_builtin_mempcpy,
2761 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2762 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2763 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2764 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2766 2006-09-01 DJ Delorie <dj@redhat.com>
2768 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2769 (stzx_16): Likewise.
2770 ("stzx_24_<mode>"): Likewise.
2771 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2772 ("cmp<mode>_op"): New.
2773 (cmp<mode>): Change to expander; just save operands.
2775 (b<code>): Change to expander, emit compare here.
2776 (s<code>_op): Change to use split and expander.
2777 (s<code>_24_op): Likewise.
2778 (s<code>_<mode>): New.
2779 (s<code>_<mode>_24): New.
2780 (movqicc_<code>_<mode): New.
2781 (movhicc_<code>_<mode>): New.
2784 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2785 (m32c_pend_compare): New.
2786 (m32c_unpend_compare): New.
2787 (m32c_expand_scc): New.
2788 (m32c_expand_movcc): Emit the compare also.
2789 * config/m32c/predicates.md (mra_nopp_operand): New.
2791 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2792 Richard Guenther <rguenther@suse.de>
2793 Adam Nemet <anemet@caviumnetworks.com>
2796 * builtins.c (get_pointer_alignment): Handle more forms
2797 of base addresses that can be used to derive more precise
2798 information about alignment.
2800 2006-09-01 Jason Merrill <jason@redhat.com>
2803 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2806 * gimplify.c (voidify_wrapper_expr): Handle null type.
2808 2006-09-01 Josh Conner <jconner@apple.com>
2811 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2812 (execute_return_slot_opt): Use it.
2814 2006-08-31 Josh Conner <jconner@apple.com>
2817 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2818 returning aggregates.
2820 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2822 PR tree-optimization/28839
2823 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2824 blocks in that phi arguments appear.
2826 2006-08-31 Roger Sayle <roger@eyesopen.com>
2829 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2830 NULL, otherwise use an advance_loc4 to adjust relative to the
2832 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2833 (dwarf2out_switch_text_section): Reset the current label to avoid
2834 using advance_loc4 over section boundaries.
2836 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2839 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2840 r12 + SYMBOLIC_CONST.
2842 2006-08-30 Richard Guenther <rguenther@suse.de>
2844 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2846 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2848 PR rtl-optimization/27735
2849 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2850 Add new argument to keep track of whether an irreducible region
2851 was affected. All callers changed.
2852 (fix_irreducible_loops): Removed.
2853 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2854 flags were invalidated.
2856 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2858 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2859 instead of SF operands.
2860 (*fop_df_comm_sse): Likewise.
2861 (*fop_df_comm_i387): Likewise.
2862 (*fop_df_1_mixed): Likewise.
2863 (*fop_df_1_sse): Likewise.
2865 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2866 J"orn Rennecke <joern.rennecke@st.com>
2868 PR tree-optimization/17506
2869 * tree-ssa.c (warn_uninit): If warning about a location outside of
2870 the current function, note where the variable was declared.
2872 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2874 PR tree-optimization/28411
2875 * double-int.c (double_int_div): Use double_int_divmod.
2876 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2877 double_int_mod, double_int_smod, double_int_umod): New functions.
2878 * double-int.h (double_int_divmod, double_int_sdivmod,
2879 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2881 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2883 (get_computation_aff, get_computation_cost_at): Handle double_int
2884 return type of constant_multiple_of.
2886 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2889 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2890 an implicit conversion.
2892 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2894 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2896 2006-08-27 Roger Sayle <roger@eyesopen.com>
2898 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2901 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2903 * config/i386/crtfastmath.c: Fix a comment typo.
2905 2006-08-26 Roger Sayle <roger@eyesopen.com>
2907 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2908 temporary visit flags on CASE_LABEL_EXPRs.
2909 * c-common.c (match_case_to_enum): Add function comment. Avoid
2910 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2911 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2912 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2913 a constant, only warn if that constant value isn't handled.
2915 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2918 * input.h (restore_input_file_stack): Declare.
2919 (INPUT_FILE_STACK_BITS): Define.
2920 * toplev.c (fs_p, input_file_stack_history,
2921 input_file_stack_restored, restore_input_file_stack): New.
2922 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2923 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2924 (pop_srcloc): Don't free old state of stack.
2926 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2929 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2930 (PowerPC Type Attributes): New.
2932 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2934 * config/xtensa/xtensa.c (function_arg_boundary): New.
2935 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2937 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2938 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2940 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2943 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2946 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2948 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2949 (verify_local_live_at_start): Likewise.
2951 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2954 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2955 omp_add_variable): Treat sizes as variable whenever not
2958 2006-08-26 Richard Guenther <rguenther@suse.de>
2961 * fold-const.c (fold_binary): Fold temporary to correct
2962 type before constructing new comparison.
2964 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2967 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2968 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2970 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2973 * c-decl.c (start_function): Don't try to process prototype
2974 information from old declaration that isn't a function.
2976 2006-08-25 Jan Hubicka <jh@suse.cz>
2979 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2981 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2984 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2987 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2989 PR tree-optimization/16876
2990 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2991 exit if PARM doesn't match VALUE.
2993 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2995 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2996 literal_prefix directive.
2997 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2998 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2999 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3001 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3004 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3005 predicate to general_operand. Add 0->y and I->r alternatives.
3007 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3009 * doc/tm.texi: Fix a typo.
3010 * predict.c: Fix comment typos.
3012 2006-08-25 Nick Clifton <nickc@redhat.com>
3014 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3015 assertions of "cpu" and "machine".
3017 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3020 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3021 the access through a base which has an alias set of 0 cannot
3024 2006-08-24 Bill Wendling <wendling@apple.com>
3026 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3028 2006-08-24 Jan Hubicka <jh@suse.cz>
3030 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3032 2006-08-24 Jan Hubicka <jh@suse.cz>
3035 * cgraph.c: Fix comments.
3036 (cgraph_varpool_mark_needed_node): Mark only variables not already
3038 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3039 (cgraph_varpool_assembled_nodes_queue): New static variable.
3040 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3041 (cgraph_varpool_output_debug_info): New function.
3042 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3043 * Makefile.in: Add gt-cgraphunit.h
3045 2006-08-24 Jan Hubicka <jh@suse.cz>
3047 * predict.c (probability_reliable_p): New predicate.
3048 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3049 (predict_loops): Do not predict loop exit with less than 2%
3051 * basic-block.h (edge_probability_reliable_p,
3052 br_prob_note_reliable_p): Declare.
3053 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3054 prediction when static predictor is not reliable.
3055 * rs6000.c (output_cbranch): Likewise.
3057 2006-08-23 Stuart Hastings <stuart@apple.com>
3060 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3061 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3063 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3066 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3067 complex values, nor for generic vector values.
3069 2006-08-22 Richard Guenther <rguenther@suse.de>
3072 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3073 parameter. Convert arguments to arithmetic expression to the
3075 (analyze_scalar_evolution_1): Adjust caller.
3077 2006-08-22 Jan Hubicka <jh@suse.cz>
3079 Patch by Paolo Bonzini
3080 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3083 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3085 PR tree-optimization/28003
3086 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3087 before grouping aliases.
3089 2006-08-22 Roger Sayle <roger@eyesopen.com>
3091 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3092 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3094 2006-08-21 Jason Merrill <jason@redhat.com>
3097 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3098 wrapper. Loop to handle nested wrappers.
3099 (gimplify_bind_expr): Remove temp parameter.
3100 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3101 and STATEMENT_LIST on the rhs.
3102 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3103 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3104 (gimplify_target_expr): Remove special BIND_EXPR handling.
3106 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3108 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3111 2006-08-21 Olivier Hainque <hainque@adacore.com>
3113 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3114 Arrange for the temporary captures of components overlapping the lhs
3115 to happen before the lhs is possibly cleared.
3117 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3119 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3120 necessary places to pass the correct "number of registers" values
3123 2006-08-20 Jan Hubicka <jh@suse.cz>
3125 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3126 (create_name_tags): Instead of quadratic checking use hashtable.
3127 * bitmap.h: Include hashtab.h.
3128 (bitmap_hash): Declare.
3129 * bitmap.c (bitmap_hash): New function.
3131 2006-08-20 Jan Hubicka <jh@suse.cz>
3133 PR rtl-optimization/28071
3134 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3136 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3137 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3138 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3139 cgraph_decide_inlining_incrementally): Update use of
3140 cgraph_check_inline_limits.
3141 * cgraph.c (edge_hash, edge_eq): New function.
3142 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3143 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3144 cgraph_remove_node): Maintain call site hash.
3145 * cgraph.h (struct cgraph_node): Add call_site_hash.
3146 (cgraph_set_call_stmt): New function.
3148 2006-08-20 Jan Hubicka <jh@suse.cz>
3150 PR rtl-optimization/28071
3151 * reload1.c (reg_has_output_reload): Turn into regset.
3152 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3153 choose_reload_regs, emit_reload_insns): Update to new
3154 reg_has_output_reload.
3156 2006-08-20 Jan Hubicka <jh@suse.cz>
3159 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3160 function body sizes.
3161 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3163 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3166 * tree.c (handle_dll_attribute): Return early if not a
3167 var or function decl.
3169 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3172 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3173 alignment of SPE vector types.
3175 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3177 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3179 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3182 * cgraph.h (struct cgraph_node): Remove externally_visible
3184 * cgraphunit.c (process_function_and_variable_attributes): Set
3185 local.externally_visible rather than externally_visible.
3188 * c-common.c (handle_externally_visible_attribute): First look
3189 at TREE_CODE and only if it is function or var decl, check for
3190 non-public objects. Don't warn for DECL_EXTERNAL.
3191 * cgraphunit.c (process_function_and_variable_attributes): Warn
3192 if externally_visible attribute is used on non-public object.
3194 2006-08-17 Jan Hubicka <jh@suse.cz>
3196 PR tree-optimization/27865
3197 * reload1.c (forget_marked_reloads): New function.
3198 (forget_old_reloads_1): When data are passed, just mark the registers
3200 (reload_as_needed): Use the new mechanizm.
3202 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3205 * reload.h (reg_equiv_alt_mem_list): New declaration.
3206 * reload1.c (reg_equiv_alt_mem_list): New definition.
3207 (reload): Initialize it and release it.
3208 (delete_output_reload): Use it.
3209 * reload.c (push_reg_equiv_alt_mem): New function.
3210 (find_reloads_toplev): Call it.
3211 (find_reloads_address, find_reloads_address_1): Likewise.
3212 (find_reloads_subreg_address): Likewise.
3214 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3216 PR rtl-optimization/28489
3217 * sched-ebb.c (begin_schedule_ready): Create basic block
3219 (advance_target_bb): Skip empty blocks.
3220 * haifa-sched.c (bb_note): Make global.
3221 * sched-int.h (bb_note): Add prototype.
3223 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3225 PR tree-optimization/27865
3226 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3228 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3229 fold_used_pointer, pointer_used_p): New functions.
3230 (analyze_scalar_evolution_1): Use fold_used_pointer.
3231 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3232 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3235 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3238 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3239 or the INTEGER_CST. Fail on a CALL_EXPR.
3240 (fold_offsetof): Pass new argument to fold_offsetof_1.
3241 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3242 operand into an INDIRECT_REF.
3243 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3245 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3247 PR gcov/profile/26570
3248 * value-prof.c (static_values): Removed.
3249 (tree_find_values_to_profile): Do not set static_values.
3250 (find_values_to_profile): Do not free static_values.
3251 * profile.c (instrument_values): Do not free the values.
3252 (branch_prob): Free the values.
3254 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3256 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3258 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3261 * c-typeck.c (build_component_ref): Combine qualifiers of
3262 structure or union and field.
3264 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3266 PR rtl-optimization/28071
3267 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3268 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3269 * tree-into-ssa.c (struct dom_dfsnum): New.
3270 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3272 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3273 compute_global_livein.
3274 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3275 in phi nodes in the correct blocks.
3277 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3279 PR tree-optimization/28364
3280 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3282 (fold_affine_expr): New function.
3283 (may_eliminate_iv): Use fold_affine_expr.
3285 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3288 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3291 2006-08-16 Mike Stump <mrs@apple.com>
3293 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3294 * doc/cppopts.texi (-MD): Likewise.
3296 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3299 * c-common.c (handle_weak_attribute): Ignore and warn if
3300 not a FUNCTION_ or VAR_DECL.
3302 2006-07-15 Mike Stump <mrs@apple.com>
3305 * c-parser.c (c_parser_typeof_specifier): Don't use
3306 c_finish_expr_stmt, open code desired semantics instead.
3308 2006-08-15 Nick Clifton <nickc@redhat.com>
3310 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3311 fragment to tmake_file only if threads are enabled.
3312 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3313 * config/i386/t-gthr-win32: New file. ... here.
3315 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3318 * c-parser.c (c_parser_compound_statement_nostart): Reset
3319 parser->error after each statement.
3321 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3324 * omp-low.c (lower_omp_parallel): Convert t to
3325 receiver_decl's type.
3326 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3327 source before comparison.
3330 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3331 to itype in assignment to oldival2.
3333 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3337 * c-typeck.c (build_compound_expr): If the second expression
3338 is an error mark, then just return an error mark instead of
3339 creating a COMPOUND_EXPR.
3341 2006-07-14 Mike Stump <mrs@apple.com>
3343 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3345 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3347 * c-decl.c, var-tracking.c: Fix comment typos.
3349 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3351 PR rtl-optimization/28634
3352 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3353 for floating-point modes unless flag_unsafe_math_optimizations.
3355 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3356 Andrew Pinski <pinskia@physics.uc.edu>
3359 * tree.c (build_array_type): Unify array types with
3360 unspecified index_type.
3361 * c-decl.c (grokdeclarator): Make sure we do not modify a
3362 unified incomplete array type.
3363 * c-typeck.c (store_init_value): Create distinct type before
3364 filling in the index type in an initializer from a compound
3367 * c-decl.c (grokdeclarator): Remove code where we copy the
3370 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3372 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3373 into account for TODO_dump_cgraph.
3374 (TODO_update_ssa_no_phi): Likewise.
3375 (TODO_update_ssa_full_phi): Likewise.
3376 (TODO_update_ssa_only_virtuals): Likewise.
3377 (TODO_remove_unused_locals): Likewise.
3378 (TODO_set_props): Likewise.
3379 (TODO_update_stmt_usage): Likewise.
3381 2006-08-13 Dirk Mueller <dmueller@suse.de>
3383 * c-common.c (strict_aliasing_warning): Fix formatting.
3385 2006-08-13 Matthias Klose <doko@debian.org>
3387 * doc/invoke.texi: Fix spelling errors.
3389 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3391 PR rtl-optimization/23454
3392 * reorg.c (relax_delay_slots): Update comment.
3394 2006-08-11 Richard Guenther <rguenther@suse.de>
3397 * simplify-rtx.c (simplify_const_relational_operation):
3398 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3401 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3403 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3404 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3406 2006-08-10 Paul Brook <paul@codesourcery.com>
3408 * final.c (final_scan_insn): Clear current_insn_predicate before
3409 outputting inline asm.
3411 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3413 PR tree-optimization/26197
3414 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3415 get_ref_base_and_extent and overlap_subvar to add only relevant
3416 subvars as may-aliases.
3417 (add_may_alias_for_new_tag): New function, factored out of
3419 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3420 with additional argument.
3421 * tree-flow.h (new_type_alias): Takes additional argument.
3423 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3425 * gcov.c (no_data_file): New flag.
3426 (read_count_file): Set it if data file not present. Assume counts
3428 (output_lines): Don't name the data file, if there wasn't one.
3430 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3432 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3433 (rs6000_generate_compare): Tweak comments.
3434 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3436 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3438 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3439 (var_debug_decl): New function.
3440 (var_reg_set): Follow debug decl link. Add location even if
3441 reg is already known to hold some other variable.
3442 (var_mem_set): Follow debug decl link.
3443 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3444 decl link. Delete other known locations of the variable part
3446 (var_reg_delete, var_mem_delete): Delete other known locations
3447 of the variable part if requested.
3448 (same_variable_part_p): New function.
3449 (add_stores): Select MO_COPY when appropriate.
3450 (vt_initialize): Handle it.
3451 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3452 known locations for MO_SET and MO_CLOBBER.
3453 (find_variable_location_part): New function.
3454 (set_variable_part, delete_variable_part): Use it.
3455 (clobber_variable_part): New function.
3456 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3459 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3461 PR tree-optimization/26969
3462 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3463 with an empty list of PHIs.
3465 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3469 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3472 2006-08-06 Andreas Schwab <schwab@suse.de>
3474 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3475 string. Whitespace and comment fixup.
3477 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3480 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3484 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3487 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3489 2006-08-04 Jan Hubicka <jh@suse.cz>
3493 * reload.c (push_reload): Patch out the mismatching instruction;
3495 (find_reload): Bail out if the instruction was patched out.
3497 2006-08-04 Jan Hubicka <jh@suse.cz>
3499 PR tree-optimization/24888
3500 * tree-inline.c (expand_call_inline): Do not re-record variables.
3501 (declare_inline_vars): Add variable to unexpanded_var_list.
3503 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3504 Roger Sayle <roger@eyesopen.com>
3506 PR rtl-optimization/26244
3507 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3508 inner_const are negative or greater than or equal to the bitsize of
3509 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3510 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3511 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3512 CONST0_RTX (mode) when the new shift count is greater than or equal to
3513 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3516 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3518 * tree-cfg.c: Fix a comment typo.
3520 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3523 * varasm.c (output_constant): Give the front end another chance to
3524 expand constants, after stripping NOPs.
3526 2006-08-03 Jan Hubicka <jh@suse.cz>
3528 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3531 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3533 PR tree-optimization/27770
3534 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3535 declaration removed (moved to tree-flow.h).
3536 (vect_can_force_dr_alignment_p): Likewise.
3537 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3538 (moved from tree-vectorizer.h).
3539 (vect_can_force_dr_alignment_p): Likewise.
3540 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3541 from outside the vectorizer - in particular from cgraph stage.
3542 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3543 the alignment of global arrays when -fsection-anchors is enabled.
3544 * cgraphunit.c (cgraph_increase_alignment): New function.
3545 (cgraph_optimize): Call cgraph_increase_alignment.
3547 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3550 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3551 not reload a SPE symbol_ref into a lo_sum address.
3553 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3556 * dwarf2out.c (prune_unused_types_prune): Move call to
3557 prune_unused_types_update_strings to cover the parent DIE also.
3559 2006-08-02 Jan Hubicka <jh@suse.cz>
3561 PR gcov/profile/28480
3562 * tree-cfg.c (change_bb_for_stmt): New function.
3563 (tree_merge_blocks, tree_split_blocks): Use it.
3565 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3571 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3572 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3573 (cgraph_optimize): Likewise.
3575 2006-08-01 Stuart Hastings <stuart@apple.com>
3577 * rtl.h (UINTVAL) New.
3578 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3579 * testsuite/gcc.dg/20060801-1.c: New.
3581 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3584 * c-typeck.c (build_external_type): Mark used enum types.
3585 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3587 (gen_subprogram_die): Whitespace fix.
3589 2006-08-01 Jan Hubicka <jh@suse.cz>
3591 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3592 bitmap when not needed.
3593 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3596 2006-08-01 Dirk Mueller <dmueller@suse.de>
3598 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3600 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3602 * Makefile.in: Revert part of previous patch:
3603 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3606 2006-07-30 Eric Christopher <echristo@apple.com>
3609 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3610 (PowerPC Variable Attributes): New section.
3612 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3614 PR target/28126 (partial fix)
3615 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3617 2006-07-28 Jan Hubicka <jh@suse.cz>
3619 PR rtl-optimization/28071
3620 * cfgrtl.c (rtl_delete_block): Free regsets.
3621 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3623 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3625 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3626 and variables used in dependencies.
3628 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3630 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3631 %fs for -mcmodel=kernel.
3632 (stack_tls_protect_test_di): Likewise.
3634 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3636 * Makefile.in: Use mkinstalldirs.
3638 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3641 * opts-common.c (prune_options): Skip joined switches.
3643 2006-07-27 Jan Hubicka <jh@suse.cz>
3645 PR rtl-optimization/28071
3646 * cselib.c (cselib_process_insn): Don't remove useless values too
3647 often for very large hashtables.
3649 2006-07-27 Jan Hubicka <jh@suse.cz>
3651 PR rtl-optimization/28071
3652 * global.c (greg_obstack): New obstack.
3653 (allocate_bb_info): Use it.
3654 (free_bb_info): Likewise.
3655 (modify_reg_pav): Likewise.
3657 2006-07-27 Roger Sayle <roger@eyesopen.com>
3659 * builtins.c (fold_fixed_mathfn): When long and long long are the
3660 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3661 functions to their lceil*, lfloor*, lround* and lrint* forms.
3663 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3666 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3668 (rev_branch_insn): Likewise.
3670 2006-07-27 Jan Hubicka <jh@suse.cz>
3672 PR rtl-optimization/28071
3673 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3674 (reg_set_in_bb, max_reg_computed): New static variables.
3675 (regmove_optimize): Free the new array.
3676 (fixup_match_1): Update call of reg_is_remote_constant_p.
3678 2006-07-26 Jan Hubicka <jh@suse.cz>
3680 PR tree-optimization/27882
3681 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3683 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3685 (cgraph_analyze_compilation_unit): Likewise.
3686 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3687 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3688 (cgraph_early_inlinine): Make order garbage collected.
3689 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3691 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3693 * dbxout.c (output_types_sort): Add a comment.
3694 (output_used_types): Free the VEC.
3696 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3698 * function.c (reorder_fix_fragments): Delete.
3699 (reorder_blocks): Don't call it.
3700 (reorder_blocks_1): Put all subblocks under the origin block.
3702 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3704 PR rtl-optimization/27907
3705 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3708 2006-07-25 Roger Sayle <roger@eyesopen.com>
3711 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3712 bar(x) check that bar's result type can represent all the values of T.
3714 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3716 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3718 2006-07-25 Nick Clifton <nickc@redhat.com>
3720 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3721 size_lookup[] array.
3722 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3723 (ggc_pch_count_object): Likewise.
3724 (ggc_pch_alloc_object): Likewise.
3725 (ggc_pch_write_object): Likewise.
3726 (init_ggc): Do not attempt to initialize entries in the
3727 size_lookup[] array for objects whose size is greater than than
3728 the length of the array.
3730 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3732 * dbxout.c (output_used_types_helper): Push queued types
3734 (output_types_sort): New.
3735 (output_used_types): Collect used types on a VEC and sort them
3738 2006-07-24 Richard Guenther <rguenther@suse.de>
3741 * cgraph.c (cgraph_remove_node): Do not check if dumps
3743 * cgraphunit.c (cgraph_optimize): Likewise.
3745 2006-07-24 Jan Hubicka <jh@suse.cz>
3747 PR rtl-optimization/28071
3748 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3749 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3750 splitting before first stmt.
3752 2006-07-24 Jan Hubicka <jh@suse.cz>
3754 PR rtl-optimization/28071
3755 * ipa-inline.c (update_caller_keys): Remove edges that
3756 are no longer inline candidates.
3758 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3761 * dbxout.c (output_used_types_helper, output_used_types): New.
3762 (dbxout_symbol): Call output_used_types.
3764 2006-07-23 Jan Hubicka <jh@suse.cz>
3768 * cgraph.c (cgraph_varpool_nodes): Export.
3769 (decide_is_variable_needed): Ignored "used" attribute in
3770 unit-at-a-time mode.
3771 * cgraph.h (cgraph_varpool_nodes): Declare.
3772 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3773 unit-at-a-time mode.
3775 2006-07-23 Roger Sayle <roger@eyesopen.com>
3778 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3779 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3780 the __gthrw form of thr_keycreate.
3781 (__gthread_key_delete): Silence the unused argument warning.
3783 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3786 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3787 Cache the last found '\0' marker to avoid quadratic behavior.
3789 2006-07-23 Jan Hubicka <jh@suse.cz>
3791 * i386.md (subsi_3_zext): Fix output template.
3793 2006-07-21 Mike Stump <mrs@apple.com>
3795 * doc/invoke.texi (C++ Dialect Options): Note that
3796 -fvisibility-inlines-hidden doesn't affect explicitly
3797 instantiationed inline methods.
3799 2006-07-20 Roger Sayle <roger@eyesopen.com>
3801 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3802 if the target assembler is GNU binutils' gas.
3803 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3804 whether to pass GNU gas or native as command line options.
3806 2006-07-20 Jason Merrill <jason@redhat.com>
3808 * tree.c (remove_attribute): New fn.
3809 * tree.h: Declare it.
3811 2006-07-20 Paul Brook <paul@codesourcery.com>
3814 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3815 they are invalidated by this instruction.
3817 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3820 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3822 2006-07-20 Eric Christopher <echristo@apple.com>
3825 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3827 2006-07-19 Eric Christopher <echristo@apple.com>
3829 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3830 Rewrite dependencies for libgcc_s.1.dylib.
3832 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3834 * except.c (duplicate_eh_regions_1): Clear next_peer.
3836 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3838 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3839 -mlongcall does not guarantee all calls will be long.
3840 * doc/extend.texi (long_call/short_call): Document that longcall
3841 does not guarantee a long call will be used.
3842 (longcall/shortcall): Likewise.
3844 2006-07-18 Roger Sayle <roger@eyesopen.com>
3847 * expmed.c (expand_shift): Additionally check that the shift_cost
3848 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3849 before implementing a LSHIFT_EXPR as a sequence of additions.
3850 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3851 middle-end that DImode shifts need to be synthesized by expand.
3853 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3856 * tree-ssa-operands.c (access_can_touch_variable): Update
3858 Return true if ALIAS is .GLOBAL_VAR.
3860 2006-07-18 David Daney <ddaney@avtrex.com>
3862 * gcc.c (display_help): Fix typo in help text.
3864 2006-07-18 Olivier Hainque <hainque@adacore.com>
3866 * tree.h (categorize_ctor_elements): Adjust prototype and add
3867 descriptive comment, both in accordance with the interface change
3869 * varasm.c (constructor_static_from_elts_p): New function.
3870 Whether a constructor node is a valid static constant initializer
3871 if all its elements are.
3872 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3873 * output.h: Declare it.
3874 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3875 is a valid constant initializer instead of computing the number of
3876 non-constant elements. Use constructor_static_from_elts_p for this
3877 purpose. Replace the head comment with an indication that this is a
3878 helper for categorize_ctor_elements.
3879 (categorize_ctor_elements): Same interface change as for the _1
3880 helper. Former head comment from this helper moved here, adjusted to
3881 account for the interface changes.
3882 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3883 (all_zeros_p): Likewise.
3884 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3885 static versions of the constructor from the categorize_ctor_elements
3886 return value instead of the formerly computed number of non-constant
3889 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3891 * configure: Regenerate.
3892 * Makefile.in (build_libsubdir): New configure substitution
3893 (build_libobjdir): New variable.
3894 (BUILD_LIBIBERTY): Use it.
3896 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3899 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3901 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3904 * c-common.c (handle_weakref_attribute): Ignore attribute in
3905 the same conditions the alias attribute is ignored.
3907 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3909 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3910 (dbxout_begin_prologue): Increment scope_labelno.
3912 2006-07-17 Richard Henderson <rth@redhat.com>
3915 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3918 2006-07-17 Roger Sayle <roger@eyesopen.com>
3919 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3921 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3922 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3923 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3924 functions such as sbrk, write, etc.. Add function prototypes.
3925 Convert function declarations from K&R to ISO C. Cast pointers
3926 to "long" and "unsigned long" instead of "int" and "unsigned int".
3927 Convert tokens following #endif into comments.
3929 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3931 * invoke.texi: Remove mention of f77; Reformat table for
3932 inline parameter options correctly; mention that -malign-double
3933 is default on x86-64 targets.
3935 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3937 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3938 (convert_affine_scev, chrec_convert_aggressive): Use
3939 avoid_arithmetics_in_type_p. Do not check for the subtypes
3942 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3945 * optabs.c (expand_doubleword_shift): Wrap the call to
3946 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3948 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3951 * optabs.c (expand_binop): Pass next_methods rather than methods
3952 to expand_doubleword_shift.
3954 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3957 * tree.h (dump_addr): Declare.
3958 * print-tree.c (dump_addr): New function.
3959 (print_node_brief, print_node): Use it.
3960 * print-rtl.c (print_rtx): Likewise.
3961 * common.opt (-fdump-noaddr): New option.
3962 * doc/invoke.texi (-fdump-noaddr): Document.
3963 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3964 (ve_info_hash): Likewise.
3966 2006-07-13 Andrew Haley <aph@redhat.com>
3968 PR tree-optimization/19505
3969 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3970 edge leaving this block, make sure that the destination of this
3971 block has only one predecessor.
3973 2006-07-17 Richard Guenther <rguenther@suse.de>
3975 PR tree-optimization/28238
3976 * tree-inline.c (copy_bb): Check if we produced valid
3977 gimple copying and substituting a stmt. If not, gimplify
3980 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3982 * optabs.c (maybe_encapsulate_block): New function extracted from...
3983 (emit_libcall_block): ...here. Invoke it on the block of insns to
3984 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3985 (emit_no_conflict_block): Likewise.
3987 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3989 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3991 2006-07-15 Roger Sayle <roger@eyesopen.com>
3993 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3994 a new NOP_EXPR case of the switch statement.
3996 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3999 * stor-layout.c (place_field): Take the bit field with
4000 an excessive size into account in the ms-bitfiled case.
4003 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4004 the previous bit field.
4006 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4009 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4011 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4013 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4014 signal frames correctly even when the signal was installed with
4017 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4019 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4020 (dbxout_function_end): Use local label LFBB. Remove hook
4022 (dbxout_source_line): Use local label LFBB.
4023 (dbxout_block): Likewise.
4024 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4025 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4026 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4027 and DBX_OUTPUT_NFUN.
4029 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4031 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4033 2006-07-13 Jan Hubicka <jh@suse.cz>
4035 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4037 * output.h (align_variable): Declare.
4038 * varasm.c (align_variable): Export.
4039 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4040 when basic block changed.
4042 2006-07-13 Nick Clifton <nickc@redhat.com>
4044 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4045 walking the LOG_LINKS chain.
4047 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4049 * doc/invoke.texi (C++ Dialect Options): Explain difference
4050 between -fvisibility-inlines-hidden and setting hidden
4051 visibility explicitly.
4053 2006-07-12 Eric Christopher <echristo@apple.com>
4055 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4056 (stmp-lipo): Depend on libgcc.a.
4058 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4060 * tree.c: Fix a comment typo.
4062 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4064 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4066 (umulhisi3_r): Likewise.
4068 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4071 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4072 x < 19, vs wchar_t support.
4074 2006-07-12 Nick Clifton <nickc@redhat.com>
4076 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4077 instead of -isa=sh4.
4079 2006-07-12 Mike Stump <mrs@apple.com>
4081 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4083 2006-07-10 Eric Christopher <echristo@apple.com>
4085 * config/t-slibgcc-darwin: Rewrite.
4087 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4090 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4093 2006-07-08 Matthias Klose <doko@debian.org>
4095 * doc/sourcebuild.texi: Fix typo.
4097 2006-07-07 Mike Stump <mrs@apple.com>
4099 * toplev.c (process_options): Don't give -ffunction-sections may
4100 affect debugging warning for Mach-O.
4102 2006-07-07 James E Wilson <wilson@specifix.com>
4104 * config/mips/mips.md (cpu): Add sb1a.
4105 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4106 addition to sb1. Adjust comments to clarify SB-1A differences from
4108 (ir_sb1a_load): New. Modify bypasses to use it.
4109 (ir_sb1a_simple_alu): Likewise.
4110 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4111 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4112 (mips_issue_rate): Add PROCESSOR_SB1A.
4113 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4114 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4115 (TARGET_SB1): Add PROCESSOR_SB1A check.
4116 (TUNE_SB1): Likewise.
4118 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4119 * config/mips/mips.c (mips_store_data_bypass_p): New.
4120 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4121 store_data_bypass_p.
4123 2006-07-08 Paul Brook <paul@codesourcery.com>
4126 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4128 2006-07-07 Richard Guenther <rguenther@suse.de>
4131 * tree.h (build_one_cst): Declare.
4132 * tree.c (build_one_cst): New function.
4133 * tree-ssa-math-opts.c (get_constant_one): Remove.
4134 (insert_reciprocals): Use build_one_cst.
4135 * fold-const.c (fold_plusminus_mult): Likewise.
4137 2006-07-07 Roger Sayle <roger@eyesopen.com>
4139 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4140 * cfgloopanal.c (dump_graph): Likewise.
4141 * dojump.c (discard_pending_stack_adjust): Likewise.
4142 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4144 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4145 * function.c (finalize_block_changes): Likewise.
4146 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4147 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4148 * rtl.c (dump_rtx_statistics): Likewise.
4149 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4151 * varray.c (dump_varray_statistics): Likewise.
4152 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4153 decode_decimal64, encode_decimal128, decode_decimal128,
4154 decimal_real_to_decimal): Likewise.
4156 2006-07-07 Richard Guenther <rguenther@suse.de>
4158 PR tree-optimization/28187
4159 * tree-vrp.c (vrp_operand_equal_p): New function.
4160 (vrp_bitmap_equal_p): Likewise.
4161 (update_value_range): Use them to compare old and new
4164 2006-07-06 Roger Sayle <roger@eyesopen.com>
4166 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4167 a default case to switch statement to silence compiler warnings.
4169 2006-07-06 Roger Sayle <roger@eyesopen.com>
4172 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4173 the configured assembler supports the x87's ffreep mnemonic.
4174 * configure: Regenerate.
4175 * config.in: Regenerate.
4177 * config/i386/i386.c (output_387_ffreep): New function.
4178 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4179 (output_387_reg_move): Likewise.
4181 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4183 Port to hosts whose 'sort' and 'tail' implementations
4184 treat operands with leading '+' as file names, as POSIX
4185 has required since 2001. However, make sure the code still
4186 works on pre-POSIX hosts.
4187 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4188 which says you should use "tail -c +N" rather than "tail +Nc".
4189 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4191 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4193 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4196 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4199 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4200 PRE_{INC,DEC} of TFmode.
4202 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4203 Alan Modra <amodra@bigpond.net.au>
4206 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4209 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4212 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4213 Remove duplicate gtu.
4215 2006-07-05 Jason Merrill <jason@redhat.com>
4219 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4220 * c-common.c (handle_packed_attribute): So don't copy it here.
4221 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4223 2006-07-05 Mike Stump <mrs@apple.com>
4225 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4227 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4230 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4232 2006-07-05 Richard Guenther <rguenther@suse.de>
4235 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4236 TARGET_SSE2 targets if using SSE math.
4237 (*absdf2_1): Likewise.
4239 2006-07-05 Richard Guenther <rguenther@suse.de>
4241 PR tree-optimization/28162
4242 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4243 make sure to convert the operands to the correct type.
4245 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4247 PR tree-optimization/28218
4249 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4250 to calculate and free the dominator information.
4252 2006-07-04 Peter O'Gorman <peter@pogma.com>
4254 * mklibgcc.in: chmod 644 before ranlib during install.
4256 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4257 J"orn Rennecke <joern.rennecke@st.com>
4259 * configure.ac (.eh_frame data check): Use diff -b.
4261 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4264 * Makefile.in (BUILD_RTL): Add build/vec.o.
4265 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4266 (build/genextract): Delete.
4267 (build/genautomata): Likewise.
4269 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4272 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4273 128-bit IBM long doubles for ABI_V4.
4275 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4277 * tree.c (range_in_array_bounds_p): New predicate.
4278 * tree.h (range_in_array_bounds_p): Declare it.
4279 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4280 return a less conservative answer.
4281 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4282 and flag 'is_group'.
4283 (IS_ELEMENT_FOR_GROUP): New macro.
4284 (FOR_EACH_ACTUAL_CHILD): Likewise.
4285 (next_child_for_group): New helper function.
4286 (can_completely_scalarize_p): Take into account groups.
4287 (sra_hash_tree): Handle RANGE_EXPR.
4288 (sra_elt_eq): Likewise.
4289 (lookup_element): Be prepared for handling groups.
4290 (is_valid_const_index): Delete.
4291 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4292 instead of is_valid_const_index.
4293 <ARRAY_RANGE_REF>: New case.
4294 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4295 is_valid_const_index.
4296 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4297 (scan_dump): Dump info for groups too.
4298 (decide_instantiation_1): Likewise.
4299 (decide_block_copy): Assert that the element is not a group.
4300 Propagate decision to groups.
4301 (generate_one_element_ref): Handle RANGE_EXPR.
4302 (mark_no_warning): Iterate over actual childs.
4303 (generate_copy_inout): Likewise.
4304 (generate_element_copy): Likewise.
4305 (generate_element_zero): Likewise.
4306 (generate_element_init_1): Likewise.
4307 (dump_sra_elt_name): Handle RANGE_EXPR.
4309 2006-07-03 Roger Sayle <roger@eyesopen.com>
4311 PR tree-optimization/26251
4312 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4313 (thread_block): When optimizing for size refuse to thread jumps
4314 that would require duplication of blocks other than redirection
4317 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4319 * configure.ac: Fix thinko in previous check-in.
4320 * configure: Regenerate.
4322 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4325 * configure.ac (for lang...): Simplify nesting of conditionals.
4326 Test subdir_requires for non-enabled languages. Move processing
4327 of lang_opt_files and lang_tree_fiels below that test.
4328 * configure: Regenerate.
4329 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4331 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4333 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4335 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4337 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4340 2006-06-29 Jason Merrill <jason@redhat.com>
4347 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4348 * c-common.c (c_determine_visibility): Handle it here.
4349 * c-decl.c (finish_decl): Call c_determine_visibility for
4351 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4353 * varasm.c (default_assemble_visibility): Likewise.
4354 * c-common.c (handle_visibility_attribute): Complain about trying
4355 to give visibility to an already defined class, or trying to change
4356 declared visibility. Always attach the attribute.
4361 * attribs.c (decl_attributes): Ignore type-in-place attributes
4362 once the type has been defined.
4364 2006-06-29 Roger Sayle <roger@eyesopen.com>
4367 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4368 to indicate the cpplib has issued an error message for us.
4370 2006-06-29 Asher Langton <langton2@llnl.gov>
4373 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4374 insert a label at the end of an function under Mach-O.
4376 2006-06-29 Eric Christopher <echristo@apple.com>
4377 Evan Cheng <evan.cheng@apple.com>
4379 * predicates.md (vector_all_ones_operand): New.
4380 (nonimmediate_or_sse_const_operand): Ditto.
4381 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4382 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4383 (standard_sse_mode_p): Ditto.
4384 (standard_sse_constant_p): Add case for -1 vector.
4385 (ix86_expand_vector_move): Try to use.
4386 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4387 Call standard_sse_constant_opcode.
4388 (*movv4sf_internal): Ditto.
4389 (*movv2df_internal): Ditto.
4391 2006-06-29 Roger Sayle <roger@eyesopen.com>
4393 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4394 of XEXP to extract the operands of a MATCH_CODE rtx.
4396 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4398 * tree.c (tree_size): Do not waste tail padding in
4399 struct tree_string and make the size be the same as
4400 build_string will generate.
4402 2006-06-28 Jason Merrill <jason@redhat.com>
4405 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4406 may_aliases already in the tag's annotations to the bitmap.
4408 2006-06-28 Roger Sayle <roger@eyesopen.com>
4410 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4412 2006-06-28 Roger Sayle <roger@eyesopen.com>
4414 * genpreds.c (generate_switch_p): New function.
4415 (add_mode_tests): Push the new mode test down inside an AND expr
4416 if this allows the switch-suitable MATCH_CODE to be near the root.
4417 (write_match_code_switch): New function to write a MATCH_CODE as
4419 (write_predicate_stmts): New function to write a predicate RTX
4420 expression as a sequence of statements.
4421 (write_one_predicate_function): Use write_predicate_stmts.
4422 (write_tm_constrs_h): Likewise.
4424 2006-06-26 Fred Fish <fnf@specifix.com>
4426 * config/mips/t-sb1: New file.
4427 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4430 2006-06-26 DJ Delorie <dj@redhat.com>
4432 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4434 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4435 Jayant Sonar <jayants@kpitcummins.com>
4436 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4438 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4439 (subsi3, subsi3_1, subsi3_2): New.
4440 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4441 * config/m32c/mov.md (SI mov peephole): New.
4442 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4443 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4445 2006-06-26 Olivier Hainque <hainque@adacore.com>
4447 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4448 a CALL_EXPR target function declaration.
4450 2006-06-26 Richard Guenther <rguenther@suse.de>
4452 * tree.c (build_string): Do not waste tail padding in
4455 2006-06-26 Richard Guenther <rguenther@suse.de>
4457 * ggc-page.c (init_ggc): Add missing element to size_lookup
4461 2006-06-23 Richard Guenther <rguenther@suse.de>
4463 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4464 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4465 alignment requests instead. Add verification code.
4466 Add struct tree_function_decl and struct tree_binfo size to
4467 extra_order_size_table. Add missing element to size_lookup
4470 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4473 * fold-const.c (const_binop): Be prepared for self returning zero.
4474 Simplify code handling complex values.
4476 2006-06-24 Olivier Hainque <hainque@adacore.com>
4478 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4479 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4482 2006-06-24 Olivier Hainque <hainque@adacore.com>
4484 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4485 ARRAY_REF, so have the callback called for the low bound expression.
4487 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4489 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4490 * c-typeck.c (c_common_type): Disallow operations on decimal float
4491 types and other float types.
4492 * convert.c (convert_to_real): Don't ignore conversions involving
4493 decimal float types.
4495 2006-06-23 Olivier Hainque <hainque@adacore.com>
4497 * tree.c (max_int_size_in_bytes): New function, inspired from
4498 code in function.c:assign_temp.
4499 * tree.h (max_int_size_in_bytes): Declare.
4500 * function.c (assign_temp): Use it.
4501 * gimplify.c (create_tmp_var): Relax the assertions on the type
4502 properties, not mandating constant size any more.
4503 (force_constant_size): New static function.
4504 (gimple_add_tmp_var): Use it, forcing variable size to a
4505 constant upper bound if it is not constant on entry.
4507 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4510 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4511 for initialization and setting of one_only flag to ...
4512 (i386_pe_encode_section_info): ...here.
4513 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4514 Recheck that the symbol has not been defined.
4516 2006-06-23 Richard Guenther <rguenther@suse.de>
4518 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4519 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4520 alignment requests instead. Add verification code.
4521 Add struct tree_function_decl and struct tree_binfo size to
4522 extra_order_size_table. Add missing element to size_lookup
4525 2006-06-22 Roger Sayle <roger@eyesopen.com>
4526 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4529 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4530 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4532 2006-06-23 Ben Elliston <bje@au.ibm.com>
4534 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4535 negate dn -- manipulate it directly.
4537 2006-06-22 Roger Sayle <roger@eyesopen.com>
4538 Steven Bosscher <stevenb.gcc@gmail.com>
4541 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4542 generated by gen_move_insn to add REG_LABEL notes if necessary.
4544 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4546 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4547 (leaf_entry): Remove use of MIN_ESA.
4549 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4551 PR rtl-optimization/28121
4552 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4555 2006-06-21 DJ Delorie <dj@redhat.com>
4557 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4559 (mulhisi3_r): Likewise.
4561 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4564 * coverage.c (coverage_counter_alloc): Leave the index type
4566 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4569 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4571 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4572 section from the "Options for Code Generation Conventions".
4574 2006-06-21 Richard Henderson <rth@redhat.com>
4578 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4580 (global_symbolic_operand): Allow weak symbols, even if local_p.
4582 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4584 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4585 (find_interesting_uses_address): Punt if above function returns true.
4587 2006-06-21 Richard Guenther <rguenther@suse.de>
4589 * configure: Regenerated.
4591 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4593 * config/mips/mips.c (function_arg): Where one part of a
4594 complex argument is in registers and the other part in the stack,
4595 return a REG not a PARALLEL.
4597 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4599 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4600 when cross-compiling. Do not substitute libstdcxx_incdir.
4601 * configure: Regenerated.
4603 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4605 * varasm.c (mergeable_string_section): Check for embedded NULs and
4606 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4607 rather than TREE_STRING_LENGTH bytes.
4609 2006-06-21 Richard Guenther <rguenther@suse.de>
4611 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4612 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4615 2006-06-21 Richrad Guenther <rguenther@suse.de>
4617 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4618 Limit iteration over the dominators.
4620 2006-06-20 Roger Sayle <roger@eyesopen.com>
4622 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4623 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4625 2006-06-20 Richard Guenther <rguenther@suse.de>
4626 Michael Matz <matz@suse.de>
4628 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4630 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4631 * et-forest.h (et_free_pools): Prototype new function.
4632 * et-forest.c (et_free_tree_force): Free parent occurrence.
4633 (et_free_pools): New function.
4634 * dominance.c (free_dominance_info): Free et-forest alloc
4637 2006-06-20 Roger Sayle <roger@eyesopen.com>
4639 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4640 integer modes, attempt to directly construct an integer constant.
4642 * fold-const.c (native_encode_vector): Determine the size of each
4643 element from the vector type instead of the first vector element.
4645 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4646 if all of its elements/components are constant.
4647 (build_constructor_from_list): Likewise.
4649 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4651 PR tree-optimization/27331
4652 * tree-data-ref.c (free_data_ref): New function.
4653 (create_data_ref): Fail if the data reference has unknown access
4655 (free_data_refs): Use free_data_ref.
4657 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4660 * tree-inline.c (setup_one_parameter): Strip useless
4661 type conversion before adding it to the IR.
4662 (declare_return_variable): Likewise.
4664 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4667 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4669 2006-06-19 Mike Stump <mrs@apple.com>
4671 * tree.c (variably_modified_type_p): VM arguments don't make the
4674 2006-06-19 Richard Guenther <rguenther@suse.de>
4676 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4677 type conversions after folding.
4679 2006-06-19 Richard Guenther <rguenther@suse.de>
4681 * ggc-page.c (extra_order_size_tab): Add entries with
4682 size of struct function and basic_block.
4683 (size_lookup): Extend to cover sizes up to 511.
4684 (ggc_alloc_stat): Adjust user.
4685 (ggc_pch_count_object): Likewise.
4686 (ggc_pch_alloc_object): Likewise.
4687 (ggc_pch_write_object): Likewise.
4689 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4691 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4692 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4695 2006-06-19 Denis Chertykov <denisc@overta.ru>
4697 * config/avr/libgcc.S : Correct my wrong previous commit.
4699 2006-06-19 Roger Sayle <roger@eyesopen.com>
4702 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4703 have stripped a SUBREG from the shift count, so we may need to
4704 convert_to_mode back to the type's mode before calling make_tree.
4705 Use new_amount instead of amount to avoid expanding a tree twice.
4707 2006-06-19 Richard Guenther <rguenther@suse.de>
4710 * fold-const.c (operand_equal_p): Check if the argument types
4711 have the same precision before stripping NOPs.
4713 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4715 Fix PR tree-optimization/27341
4716 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4718 * tree-complex.c (pass_lower_complex): Update SMT usage.
4720 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4722 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4723 Add a new alternative to the constraint strings. Add move of
4724 operand 1 to 3 to the splitter definition.
4725 ("doloop_si_long"): Second contraint alternative removed.
4727 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4729 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4730 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4732 (AVR_HAVE_MOVW) Define.
4733 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4734 (ASM_SPEC): Add avr25.
4735 (LINK_SPEC): Add avr25.
4736 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4737 (base_arch_s): Add new member 'have_movw_lpmx'.
4738 (avr_arch_types): Init 'have_movw_lpmx'.
4739 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4740 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4741 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4742 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4743 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4745 (avr_file_start): Do not output '.arh' derective.
4746 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4747 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4748 * config/avr/avr.md (mcu_enhanced): Delete.
4749 (mcu_have_movw): Define.
4750 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4751 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4752 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4753 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4754 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4755 attiny861 and at86rf401 devices.
4757 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4759 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4762 2006-06-17 Karl Berry <karl@gnu.org>
4764 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4765 doc/gccint.texi, doc/install.texi (@dircategory): Use
4766 "Software development" instead of "Programming", following
4767 the Free Software Directory.
4769 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4771 * config/i386/i386.c (legitimate_tls_address)
4772 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4773 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4774 (*tls_dynamic_gnu2_combine_64): Likewise.
4776 2006-06-16 Richard Guenther <rguenther@suse.de>
4779 * fold-const.c (negate_expr_p): Do not introduce undefined
4780 overflow in negating INTEGER_CSTs.
4781 (fold_negate_expr): Rename from negate_expr. Revert last
4782 change for folding BIT_NOT_EXPR. Change semantics to
4783 return NULL_TREE for non-simplified negations. Do not
4784 strip type conversions and unify type handling.
4785 (negate_expr): New function, wrap around fold_negate_expr
4786 but ensure building a tree always. Strip type conversions
4787 here, fold to result type.
4788 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4790 2006-06-16 Roger Sayle <roger@eyesopen.com>
4793 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4794 that (would) return their results in stack registers.
4796 2006-06-16 Michael Matz <matz@suse.de>
4797 Richard Guenther <rguenther@suse.de>
4799 * fold-const.c (fold_truthop): Only return new tree node if
4800 we canonicalized something.
4802 2006-06-16 Richard Guenther <rguenther@suse.de>
4804 * function.h (enum function_frequency): Move declaration
4805 out of struct function.
4806 (struct function): Move bool fields and the enum to the bitfield
4807 section. Reorder elements to avoid padding. Remove unused
4808 fields left over from the RTL inliner removal.
4809 * function.c (free_after_compilation): Do not zero removed fields.
4810 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4811 (ipa-type-escape.o): Likewise.
4813 2006-06-16 Richard Guenther <rguenther@suse.de>
4815 * cgraph.h (struct cgraph_local_info): Turn bool elements
4817 (struct cgraph_node): Likewise.
4818 (struct cgraph_varpool_node): Likewise.
4820 2006-06-15 Richard Guenther <rguenther@suse.de>
4822 * fold-const.c (fold_truth_not_expr): Rename from
4823 invert_truthvalue. Give it fold_* semantics to avoid
4825 (invert_truthvalue): New function. Wrapper around
4826 fold_truth_not_expr.
4827 (optimize_minmax_comparison): Avoid creating garbage.
4828 (fold_unary): Use fold_truth_not_expr for folding
4830 (fold_ternary): Replace uses of invert_truthvalue with
4831 fold_truth_not_expr where applicable.
4832 * tree.h (fold_truth_not_expr): Prototype.
4834 2006-06-16 Richard Guenther <rguenther@suse.de>
4836 PR tree-optimization/27781
4837 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4838 * ipa-pure-const.c (target.h): Include.
4839 (analyze_function): Do not analyze functions that do not
4842 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4845 * tree-dfa.c (referenced_vars_dup_list): Remove.
4846 (find_referenced_vars): Remove assert.
4847 (referenced_var_check_and_insert): Replace dup list with assert.
4848 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4849 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4851 2006-06-15 Richard Guenther <rguenther@suse.de>
4853 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4854 extra unused identifiers if not dumping.
4855 (create_variable_info_for): Likewise.
4857 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4859 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4860 (derive_constant_upper_bound): Derive more precise upper bound in
4861 common cases. Return type changed to double_int.
4862 (record_estimate): Reflect the changed return type of
4863 derive_constant_upper_bound.
4864 * double-int.c (double_int_zext, double_int_sext): Fix.
4866 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4868 * configure.ac (CFLAGS): Get them from the toplevel or from the
4869 configure invocation.
4870 * configure: Regenerate.
4871 * Makefile.in (CFLAGS): Substitute value provided by configure.
4873 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4876 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4877 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4878 rather than calling add_stmt on it.
4879 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4881 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4884 * reload1.c (reload): Remove registers returned by update_eliminables
4885 from used_spill_regs.
4887 2006-06-13 DJ Delorie <dj@redhat.com>
4889 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4891 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4893 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4894 html__strip_dir, html__mkdir_p. Enhance install-html target.
4895 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4896 * configure: Regenerate.
4898 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4900 * fold-const.c (fold_cond_expr_with_comparison): Check for
4901 Objective-C++ as language in deciding COND_EXPR transformation.
4903 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4906 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4907 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4908 * config/sh/lib1funcs.h (SL, SL1): Define.
4909 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4910 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4911 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4912 (OBJS_Os_4_200): New variable.
4913 ($(T)libgcc-Os-4-200.a): Use it.
4914 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4915 when dividing 1 and/or by 0.
4917 2006-06-13 Roger Sayle <roger@eyesopen.com>
4919 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4920 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4921 * configure: Regenerate.
4923 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4925 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4926 for real instruction.
4928 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4931 * haifa-sched.c (check_cfg): Handle special case.
4933 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4936 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4937 Add debug_info parameter. Chain the vars to the BLOCK instead
4938 of the BIND_EXPR if debug info are requested for them.
4939 (pop_gimplify_context): Adjust for above change.
4940 (gimple_add_tmp_var): Likewise.
4941 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4943 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4944 (convert_local_reference): Likewise.
4945 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4946 (finalize_nesting_tree_1): Request that debug info be emitted
4947 for debug_var_chain.
4949 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4951 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4952 for PR target/27863.
4954 2006-06-13 Richard Guenther <rguenther@suse.de>
4957 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4959 2006-06-13 Richard Guenther <rguenther@suse.de>
4961 PR tree-optimization/27830
4962 * tree-inline.c (copy_body_r): For copying the operand
4963 of an ADDR_EXPR make sure to fold &* afterwards.
4965 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4967 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4968 lvalues in the fb_none case with side-effects.
4970 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4972 * tree-flow.h: Remove the prototype for
4973 compute_phi_arg_on_exit.
4974 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4975 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4978 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4980 * builtins.c (expand_builtin_return_addr): Only use
4981 frame_pointer_rtx when count == 0 and we are expanding
4982 __builtin_return_address.
4984 2006-06-12 Fred Fish <fnf@specifix.com>
4986 * config/mips/mips.c (mips_file_start): Create special section
4987 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4989 2006-06-11 Eric Christopher <echristo@apple.com>
4992 * stor-layout.c (place_field): Remove check for
4993 remaining_in_alignment when aligning at the end of a run.
4995 2006-06-11 Eric Christopher <echristo@apple.com>
4998 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5001 2006-06-11 Roger Sayle <roger@eyesopen.com>
5004 Revert incorrect fix for PR target/27158
5005 2006-05-08 Roger Sayle <roger@eyesopen.com>
5006 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5007 of a reg_equiv_constant if the result is a legitimate constant.
5009 2006-06-11 Roger Sayle <roger@eyesopen.com>
5012 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5013 extract a CONST_VECTOR element and interpret it as an integer.
5014 (vspltis_constant): Use const_vector_elt_as_int instead of the
5015 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5016 * config/rs6000/predicates.md (easy_vector_const): Consider
5017 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5019 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5022 * stor-layout.c (update_alignment_for_field): Don't add extra
5023 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5026 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5028 * config/mips/t-rtems: Add EL/EB multilib variants.
5030 2006-06-09 Mike Stump <mrs@apple.com>
5032 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5034 2006-06-09 David Daney <ddaney@avtrex.com>
5036 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5038 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5040 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5042 2006-06-09 Richard Guenther <rguenther@suse.de>
5044 PR tree-optimization/26998
5045 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5046 of signed types, only TYPE_MIN_VALUE is special, but for both,
5047 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5048 in this case, as is -fwrapv.
5050 2006-06-08 Mike Stump <mrs@apple.com>
5053 * config/darwin.c (darwin_asm_output_anchor): Disable
5054 -fsection-anchors on darwin for now.
5055 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5056 * rs6000/rs6000.c (optimization_options): Likewise.
5058 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5061 * config/i386/i386.c (classify_argument): Skip fields with invalid
5064 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5066 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5067 (cse_insn): Likewise for the stack_pointer_rtx.
5069 2006-06-08 Roger Sayle <roger@eyesopen.com>
5071 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5072 conditions from floating point comparisons.
5074 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5077 * expmed.c (struct alg_hash_entry): Fix type of field T
5078 to match synth_mult argument.
5079 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5081 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5084 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5087 2006-06-08 Richard Guenther <rguenther@suse.de>
5090 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5091 only, if overflow is defined and not trapping.
5092 (negate_expr): Likewise.
5094 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5096 PR tree-optimization/27872
5097 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5098 flag on the new exit edge of the unrolled loop.
5100 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5102 PR rtl-optimization/26449
5103 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5105 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5108 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5109 referenced_variables with matching DECL_UID's.
5110 (find_referenced_vars): Make sure duplicate list is empty to start.
5111 (referenced_var_p): Remove.
5112 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5113 Check if var is in the list, and add if needed. Update the duplicate
5114 list if a different var is in the list with the same DECL_UID.
5115 (add_referenced_var): Call routine to check and insert.
5116 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5117 * tree-flow.h (referenced_vars_dup_list): External declaration.
5119 2006-06-07 Fred Fish <fnf@specifix.com>
5121 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5124 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5127 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5128 the imaginary and real parts of a clobbered register.
5129 Emit insn to set the imaginary part.
5131 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5133 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5134 in lieu of unwind-dw2-fde.c.
5136 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5138 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5140 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5143 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5144 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5145 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5146 V4SImode temporaries and operations instead.
5148 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5150 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5153 2006-06-06 Mike Stump <mrs@apple.com>
5155 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5156 installing during build.
5158 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5160 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5162 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5163 * config/ia64/ia64.c (params.h): New header.
5164 (ia64_optimization_options): New function to adjust parameters.
5165 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5166 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5167 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5169 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5171 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5173 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5176 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5178 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5179 Victor Kaplansky <victork@il.ibm.com>
5181 PR tree-optimization/26360
5182 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5185 2006-06-04 Roger Sayle <roger@eyesopen.com>
5186 Andrew Pinski <pinskia@physics.uc.edu>
5189 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5190 for LABEL_DECL before calling DECL_WEAK.
5193 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5194 LABEL_DECL and PARM_DECL.
5196 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5200 * c-decl.c (grokdeclarator): Disallow variably modified types at
5201 file scope. Avoid marking shared array type of constant size as
5204 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5207 * c-common.c (fold_offsetof_1): Handle static members.
5209 2006-06-04 Eric Christopher <echristo@apple.com>
5211 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5212 (debug_rli): Output value for remaining_in_alignment.
5213 (update_alignment_for_field): Unconditionalize
5214 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5215 extra alignment code.
5216 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5217 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5218 * tree.h (record_layout_info_s): Remove prev_packed.
5219 * doc/extend.texi (ms_struct): Add documentation of format.
5221 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5223 * tree.h: Declare folding_initializer.
5224 * builtins.c (fold_builtin_constant_p): Give definite answer
5225 if folding inside an initializer.
5226 * fold-const.c: Define folding_initializer.
5227 (START_FOLD_INIT): Save and then set folding_initializer.
5228 (END_FOLD_INIT): Restore folding_initializer.
5230 2006-06-04 Richard Guenther <rguenther@suse.de>
5232 PR tree-optimization/27039
5233 * fold-const.c (fold_comparison): Handle pointer comparison
5234 again for all comparison codes. Compare offsets in signed
5236 (fold_binary): Move code from here.
5238 2006-06-03 Roger Sayle <roger@eyesopen.com>
5241 * config/i386/i386.c (construct_container): Split static issued_error
5242 flag into issued_sse_arg_error, issued_sse_ret_error and
5243 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5244 requires the use of x87 registers and the user explicitly
5245 specified the -mno-80387 command line option.
5247 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5249 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5250 HAVE_DECL_SIGALTSTACK.
5252 (segv_handler): Use MC_FLD.
5253 * configure.ac: Check for a sigaltstack declaration.
5254 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5255 * configure: Regenerate.
5256 * config.in: Regenerate.
5258 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5261 * Makefile.in (stmp-fixinc): Fix typo.
5263 2006-06-02 Roger Sayle <roger@eyesopen.com>
5265 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5266 are type correct. Clean-up.
5267 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5268 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5270 2006-06-01 DJ Delorie <dj@redhat.com>
5272 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5273 shift, as we've disabled the "switch" insn that needs it.
5275 2006-06-01 Per Bothner <bothner@bothner.com>
5277 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5278 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5279 * c-ppoutput.c (cb_define): Don't increment line 0.
5281 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5283 * doc/invoke.texi: Add cpu_type power6.
5284 * config.gcc: Add cpu_type power6.
5285 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5286 to power5+ with Altivec.
5287 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5288 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5290 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5292 * config/avr/avr.h (SET_ASM_OP): Define.
5294 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5296 * config/bfin/bfin.c: Fix comment typos.
5298 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5301 * doc/install.texi: Document --enable-bootstrap and
5302 --disable-bootstrap.
5304 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5306 * doc/install.texi: Document that InfoZIP can replace jar.
5308 2006-05-31 Roger Sayle <roger@eyesopen.com>
5310 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5311 isn't available, directly generate the simpler x87 patterns without
5312 the (use (const_int 0)).
5313 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5314 implementation isn't available.
5315 (*negdf2_1): Likewise.
5316 (*negxf2_1): XF mode negation is always done using the x87.
5317 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5319 2006-05-31 Roger Sayle <roger@eyesopen.com>
5321 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5322 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5324 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5326 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5328 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5329 * config/bfin/bfin.c (basic-block.h): Include.
5330 (struct machine_function): New.
5331 (bfin_init_machine_status): New.
5332 (override_options): Initialize init_machine_status.
5333 (bfin_hardware_loop): New.
5334 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5335 (DEF_VEC_P (loop_info)): New.
5336 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5337 (struct loop_info): New.
5338 (loop_info): New typedef.
5339 (struct loop_work): New.
5340 (loop_work): New typedef.
5341 (DEF_VEC_O (loop_work)): New.
5342 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5343 (bfin_dump_loops): New.
5344 (bfin_bb_in_loop): New.
5345 (bfin_scan_loop): New.
5346 (bfin_optimize_loop): New.
5347 (bfin_reorg_loops): New.
5348 (bfin_reorg): Use bfin_reorg_loops.
5349 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5351 (I_REGNO_P): Simplify.
5352 (DP_REGNO_P, DPREG_P): New macros.
5353 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5354 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5355 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5356 Add LT_REGS, LC_REGS, LB_REGS.
5357 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5359 (REGNO_REG_CLASS): Deal with loop registers.
5360 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5362 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5363 New constants for loop registers.
5364 (UNSPEC_LSETUP_END): New.
5365 (seq_insns): New define_attr. Set it for appropriate insns.
5366 (movsi_insn): Add alternatives for move from/to
5367 loop count registers.
5368 (doloop_end): New define_expand.
5369 (loop_end): New define_insn.
5370 (define_split for bad doloop_end): New.
5371 (lsetup_with_autoinit): New define_insn.
5372 (lsetup_without_autoinit): New define_insn.
5373 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5374 * config/bfin/predicates.md (lc_register_operand): New.
5375 (lt_register_operand): New.
5376 (lb_register_operand): New.
5377 (nondp_register_operand): New.
5378 (nondp_reg_or_memory_operand): New.
5379 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5381 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5383 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5384 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5386 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5388 * Makefile.in (CATALOGS): Add po/ prefix.
5389 * configure: Regenerated.
5391 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5394 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5395 a shift operand before calling shift_op. Avoid redundant call of
5398 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5399 DJ Delorie <dj@redhat.com>
5401 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5402 we're inserting is a singlt-bit constant.
5404 2006-05-30 Roger Sayle <roger@eyesopen.com>
5406 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5407 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5409 2006-05-30 Roger Sayle <roger@eyesopen.com>
5411 PR tree-optimization/23452
5412 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5413 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5414 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5415 complex values and with -ffast-math for FP complex values.
5417 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5419 * c-common.h: Remove the prototype for yyparse.
5420 * rtl.h: Remove the prototype for init_loop.
5422 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5424 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5427 2006-05-30 Roger Sayle <roger@eyesopen.com>
5429 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5431 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5432 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5434 2006-05-30 Dirk Mueller <dmueller@suse.de>
5437 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5438 for CONSTANT_CLASS_P expresisons.
5440 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5443 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5445 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5447 PR tree-optimization/27779
5448 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5449 initial_condition instead of CHREC_LEFT.
5451 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5453 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5454 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5455 Make prototypes ISO C90.
5457 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5458 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5460 * see.c (see_analyze_one_def): Correct check.
5461 (see_get_extension_data): Check if extension is parallel.
5462 (see_get_extension_reg): Likewise.
5464 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5467 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5468 into register for (code == GTU).
5470 2006-05-29 Roger Sayle <roger@eyesopen.com>
5472 PR tree-optimization/24964
5473 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5474 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5475 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5476 abs(x)*abs(x) as x*x for scalar floating point modes.
5478 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5481 * lambda-code.c (perfect_nestify): Don't copy statements
5482 in the inner loop: move them to the inner loop header.
5484 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5487 * c-tree.texi: Document OpenMP directives and clauses.
5489 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5491 * varasm.c (globalize_decl): Fix indentation.
5493 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5496 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5497 pass_fre, pass_store_ccp, pass_copy_prop,
5498 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5499 pass_return_slot, pass_object_size, pass_lim,
5500 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5501 pass_loop_prefetch and pass_stdarg.
5503 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5505 * config/bfin/bfin.opt (mfdpic): New option.
5506 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5507 (EXTRA_MULTILIB_PARTS): Likewise.
5508 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5509 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5511 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5512 (CRT_CALL_STATIC_FUNCTION): New.
5513 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5515 (CRT_CALL_STATIC_FUNCTION): New.
5516 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5518 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5519 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5520 (initialize_trampoline): Changed to handle FD-PIC code generation.
5521 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5522 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5523 (override_options): Disallow -mid-shared-library -mfdpic combination.
5524 Can't do unaligned ops if FD-PIC.
5525 Turn off flag_pic if trying to generate non-id-shared-library
5526 non-fdpic code, since it's not supported.
5527 (bfin_assemble_integer): New function.
5528 (TARGET_ASM_INTEGER): Define.
5529 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5531 * config/bfin/crtn.s: Restore them.
5532 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5534 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5535 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5536 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5537 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5538 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5540 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5541 FDPIC_REGS and FDPIC_FPTR_REGS.
5542 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5543 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5544 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5545 (load_funcdescsi): New pattern.
5546 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5547 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5548 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5550 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5552 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5555 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5557 * tree-flow.h: Remove the prototype for add_type_alias.
5558 * tree-ssa-alias.c (add_type_alias): Remove.
5560 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5562 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5563 config/fr30/fr30.md, config/i386/i386-interix.h,
5564 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5565 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5566 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5567 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5568 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5569 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5570 Follow spelling conventions.
5571 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5572 Follow spelling conventions.
5574 2006-05-27 Richard Guenther <rguenther@suse.de>
5577 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5578 to produce a constant of value 1 of generic type.
5580 2006-05-27 Dirk Mueller <dmueller@suse.de>
5582 * cgraphunit.c (decide_is_function_needed): Fix wrong
5585 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5587 PR rtl-optimization/27661
5588 * reload.c (find_reloads): When reloading a VOIDmode constant
5589 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5590 use Pmode as mode of the reload register.
5592 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5594 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5595 is enabled at -O and above.
5597 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5600 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5603 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5606 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5607 for anonymous variables explicitly declared by front ends.
5609 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5611 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5612 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5613 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5614 ref-all pointers, run a finalization pass for them.
5615 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5616 (finalize_ref_all_pointers): New function.
5617 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5618 regular pointer type to a ref-all pointer type.
5619 (get_tmt_for): Return the special memory tag for ref-all pointers.
5621 2006-05-25 Richard Guenther <rguenther@suse.de>
5624 * fold-const.c (fold_binary): Do not look at the stripped
5625 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5627 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5629 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5630 for LT and GT if the computed range is effectively empty.
5632 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5635 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5636 mips_quad_format formats instead of ieee_single_format,
5637 ieee_double_format and ieee_quad_format formats, respectively.
5639 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5641 PR tree-optimization/27639
5642 PR tree-optimization/26719
5643 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5644 call to scev_probably_wraps_p.
5645 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5646 used_in_pointer_arithmetic_p, convert_step): Removed.
5647 (nowrap_type_p): New function.
5648 (scev_probably_wraps_p): Rewritten.
5649 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5650 chrec_convert if chrec_convert_aggressive might have been used.
5651 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5652 scev_direction): New functions.
5653 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5654 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5655 instead of convert_step.
5656 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5657 (convert_step): Declaration removed.
5658 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5660 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5662 * df-core.c: Added to header comments.
5663 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5664 df_ur_bb_info, df_urec_bb_info): Added comments.
5665 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5666 urec, ri problems): Fixed header comments.
5667 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5668 code from df_rd_transfer_function.
5670 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5672 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5673 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5674 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5676 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5678 * expr.c (undefined_operand_subword_p): New.
5679 (emit_move_multi_word): Do not generate move from undefined bits
5680 of a paradoxical subreg.
5682 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5684 PR rtl-optimization/27736
5685 * combine.c (replaced_rhs_value): New variable.
5686 (combine_instructions): Set it.
5687 (distribute_notes): When distributing a note in replaced_rhs_insn,
5688 check whether the value was used in replaced_rhs_value.
5690 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5693 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5694 add_referenced_var instead of add_referenced_tmp_var.
5695 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5696 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5698 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5699 tree_optimize_tail_calls_1): Use add_referenced_var.
5700 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5701 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5702 Use add_referenced_var.
5703 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5704 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5705 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5706 Use add_referenced_var.
5707 * tree-dfa.c (struct walk_state): Remove.
5708 (find_referenced_vars): Remove walk state and vars_found hash table.
5709 (make_rename_temp): Use add_referenced_var.
5710 (find_vars_r): Pass less parameters to add_referenced_var.
5711 (referenced_var_p): New. Is var in referenced_var hash table.
5712 (referenced_var_insert): Assert var isn't already in hash table.
5713 (add_referenced_var): Don't need walk_state parameter. Add var if it
5714 isn't already in the hash table.
5715 (add_referenced_tmp_var): Remove.
5716 (find_new_referenced_vars_1): Use add_referenced_var.
5717 * tree-ssa-pre.c (create_expression_by_pieces,
5718 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5719 Use add_referenced_var.
5720 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5721 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5722 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5724 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5725 vect_create_data_ref_ptr, vect_create_destination_var,
5726 vect_init_vector, vect_build_loop_niters,
5727 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5728 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5729 Use add_referenced_var.
5730 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5731 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5732 (add_referenced_var): Add prototype.
5733 * tree-ssa-structalias.c (get_constraint_for,
5734 intra_create_variable_infos): Use add_referenced_var.
5736 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5738 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5739 big-endian paradoxical subregs.
5740 * var-tracking.c (struct micro_operation_def): Document that,
5741 for modify micro operations, insn is the subsequent instruction.
5742 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5743 (var_reg_set, var_mem_set): ... new functions.
5744 (add_stores): Record subsequent insn.
5745 (compute_bb_dataflow): Use new functions for MO_USE.
5746 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5747 notes after the insn, and modify notes before the insn known
5748 to be the subsequent one.
5749 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5751 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5754 * config/i386/i386.c (ix86_expand_builtin): Use
5755 gen_sse3_monitor64 for TARGET_64BIT.
5757 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5759 PR rtl-optimization/26375
5760 PR rtl-optimization/26855
5761 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5763 (df_ru_bb_local_compute): Reversed statements and removed bogus
5764 comment explaining why they should be in wrong order.
5765 (df_ru_dump, df_rd_dump): Enhanced debug info.
5766 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5768 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5769 reaching uses and fixed space problem.
5771 2006-05-23 Jan Hubicka <jh@suse.cz>
5773 * cgraphunit.c (decide_is_function_needed): Also nested functions
5774 and functions declared inline can be optimized out at -O0.
5776 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5778 * doc/install.texi (Configuration): Remove reference to CrossGCC
5782 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5785 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5786 ix86_compare_emitted is non-NULL.
5788 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5791 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5794 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5796 PR rtl-optimization/25514
5797 * combine.c (replaced_rhs_insn): New variable.
5798 (combine_instructions): Set replaced_rhs_insn when trying to replace
5799 a SET_SRC with a REG_EQUAL note.
5800 (distribute_notes): Use replaced_rhs_insn when determining the live
5801 range of a REG_DEAD register.
5803 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5804 Anatoly Sokolov <aesok@post.ru>
5806 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5807 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5808 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5809 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5810 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5811 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5812 at90usb647, at90usb1286 and at90usb1287 devices.
5813 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5814 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5816 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5818 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5820 2006-05-22 Richard Guenther <rguenther@suse.de>
5823 2006-01-31 Richard Guenther <rguenther@suse.de>
5824 Paolo Bonzini <bonzini@gnu.org>
5826 * doc/install.texi (--disable-libgcc-math): Document.
5828 2006-05-22 Richard Guenther <rguenther@suse.de>
5831 2006-01-31 Richard Guenther <rguenther@suse.de>
5833 * doc/invoke.texi (-msselibm): Document.
5834 * target.h (expand_library_builtin): New target hook.
5835 * builtins.c (expand_builtin): Use expand_library_builtin.
5836 (default_expand_library_builtin): New function.
5837 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5838 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5839 (link_gcc_math_spec): Declare.
5840 (static_specs): Add link_gcc_math_spec.
5841 * expr.h (default_expand_library_builtin): Declare.
5842 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5843 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5844 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5845 * config/i386/i386.opt (msselibm): New target option.
5846 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5847 (ix86_init_sse_abi_builtins): New function.
5848 (ix86_expand_library_builtin): Likewise.
5849 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5850 (override_options): Handle error conditions wrt -msselibm.
5851 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5852 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5853 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5856 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5859 * c-common.c (self_promoting_args_p): Skip erroneous args.
5862 * c-decl.c (finish_struct): Skip erroneous fields.
5864 2006-05-22 Nick Clifton <nickc@redhat.com>
5866 * config/cris/cris.opt (march): Remove VarExists attribute.
5867 (max-stackframe=): Likewise.
5869 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5871 * doc/rtl.texi: Fix a typo.
5872 * see.c: Fix comment typos.
5874 * tree-ssa-structalias.h (alias_info): Remove num_references.
5876 2006-05-21 Mike Stump <mrs@apple.com>
5878 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5880 (darwin_pragma_options): Use BAD instead.
5881 (darwin_pragma_unused): Likewise.
5882 (darwin_pragma_ms_struct): Likewise.
5884 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5886 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5888 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5890 PR rtl-optimization/27671
5891 * simplify-rtx.c (simplify_relational_operation_1): Fix
5892 simplifications of (eq/ne (xor x y) y) and
5893 (eq/ne (xor x y) x).
5895 PR tree-optimization/26622.
5896 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5899 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5901 * tree-cfg.c: Prune whitespace.
5902 (debug_tree_cfg): Point to correct header containing the
5905 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5908 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5910 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5913 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5914 or sorry count is non zero.
5916 2006-05-20 Andreas Schwab <schwab@suse.de>
5918 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5920 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5921 Kenneth Zadeck <zadeck@naturalbridge.com>
5923 PR rtl-optimization/26855
5925 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5927 (df_scan_alloc): Added code to properly handle multiword hard
5928 registers and add all_blocks parameter.
5929 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5930 code to properly handle multiword hard registers.
5931 (df_rescan_blocks): Added code to remove deleted blocks from
5933 (df_ref_create_structure, df_ref_record): Added code to properly
5935 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5936 and set DF_REF_PARTIAL.
5937 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5938 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5939 (df_scan_add_problem): Added flags parameter.
5940 (df_ref_create_structure): Changed switching structure.
5941 (df_bb_refs_record): Fixed case where duplicate artificial refs
5942 were created. Changed location of flags.
5943 (df_record_entry_block_defs): Added code to make stack pointer
5944 live in entry block. Refined cases where frame pointer is needed.
5945 Changed location of flags.
5946 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5947 (df_set_state): Removed function.
5948 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5949 df_insn_create_insn_record, df_insn_refs_delete,
5950 df_ref_create_structure): Formatting changes.
5951 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5952 df_delete_basic_block): New function.
5953 (df_init): Changed location of flags.
5954 (df_add_problem): Added flags parameter and the way flags are
5956 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5957 debug_df_chain): Improved debugging output.
5958 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5959 (df_refs_chain_dump): Removed df parameter.
5960 (df_iterative_dataflow): Added consistency check.
5961 (df_prune_to_subcfg): Made public.
5962 (df_analyze_problem): Added blocks_to_init parameter and made
5964 (df_ref_record, df_bb_refs_record, df_mark_reg,
5965 df_record_exit_block_uses): Whitespace changes.
5966 (df_dump): Whitespace changes.
5967 * df.h: Some reordering to remove forward references.
5968 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5969 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5970 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5971 (dataflow.flags): New field.
5972 (df.flag): Deleted field.
5973 (df_alloc_function): Added additional bitmap parameter.
5974 (df_dependent_problem_function): New type.
5975 (df_problem.changeable_flags): New field.
5976 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5977 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5978 (df_mw_hardreg): New struct.
5979 (DF_INSN_UID_MWS): New macro.
5980 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5982 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5983 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5984 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5985 (df_set_state): Removed function.
5986 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5987 * df-problems.c (df_chain_dump): Removed df parameter.
5988 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5989 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5991 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5992 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5993 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5994 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5995 DF_REF_MUST_CLOBBER cases.
5996 (df_ru_bb_local_compute_process_def,
5997 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5998 df_lr_bb_local_compute, df_ur_bb_local_compute,
5999 df_chain_create_bb): Made subreg aware.
6000 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6001 df_lr_bb_local_compute, df_lr_bb_local_compute,
6002 df_chain_create_bb): Cleanup to use proper macros.
6003 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6004 code to fixup bitvectors.
6005 (df_ri_alloc): Cleared lifetime.
6006 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6007 df_create_unused_note): New function.
6008 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6009 REG_DEAD and REG_UNUSED notes as well as register information.
6010 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6011 df_chains_dump): Fixed crash if problem was never run.
6012 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6013 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6014 df_ri_add_problem): Processes flags in uniform manner.
6015 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6016 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6017 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6018 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6019 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6020 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6021 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6022 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6023 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6024 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6025 * see.c (see_initialize_data): Ditto.
6026 * final.c (rest_of_clean_state) Added regstack_completed.
6027 * rtl.h (regstack_completed): Ditto.
6028 * reg-stack.c (regstack_completed): Ditto.
6030 2006-05-19 Mike Stump <mrs@apple.com>
6032 * c-tree.h (default_conversion): Remove.
6033 * c-common.h (default_conversion): Add.
6035 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6037 * tree-vrp.c (valid_value_p): New function.
6038 (adjust_range_with_scev): Fail if the value of bound is not
6041 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6043 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6044 (mips_fallback_frame_state): Use syscall numbers to determine
6045 the appropriate li instruction for the current ABI. Only use
6046 __NR_sigreturn for o32.
6048 2006-05-19 Nicolas Setton <setton@adacore.com>
6050 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6051 * langhooks.c (lhd_dwarf_name): New function.
6052 * langhooks-def.h (lhd_dwarf_name): Declare.
6053 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6054 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6055 * ada/misc.c (gnat_dwarf_name): New function.
6056 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6058 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6060 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6062 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6063 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6064 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6065 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6066 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6067 determine the size of Wtype, etc.
6068 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6069 (swfloatfuncs): New variable.
6070 (dwfloatfuncs): Likewise.
6071 (lib2funcs): Remove floating-point conversion functions from
6072 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6073 the set of conversion routines needed. Allow entries to specify
6074 an object name, filename and word size. Update users accordingly.
6075 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6076 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6080 2006-02-08 Roger Sayle <roger@eyesopen.com>
6083 * config/fixtfdi.c: New libgcc source file.
6084 * config/fixunstfdi.c: New source file.
6085 * config/floatditf.c: New source file.
6086 * config/floatunditf.c: New souce file.
6087 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6088 files above instead of config/mips/_tilib.c.
6089 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6091 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6093 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6094 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6096 2006-05-18 Mike Stump <mrs@apple.com>
6098 Fix up vla, vm and [*] sematics.
6104 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6105 (c_vla_unspec_p): Add.
6106 (c_vla_type_p): Add.
6107 * c-decl.c (struct c_scope): Add had_vla_unspec.
6108 (build_array_declarator): Add support for [*].
6109 (grokdeclarator): Likewise.
6110 (grokparms): Likewise.
6111 (get_parm_info): Likewise.
6112 * c-objc-common.c (c_vla_unspec_p): Likewise.
6113 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6114 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6115 typeof when argument is a variably modified type not inside sizeof or alignof.
6116 (c_parser_direct_declarator_inner): Propagate errors.
6117 (c_parser_sizeof_expression): Add support for [*].
6118 (c_parser_parms_declarator): Initialize had_vla_unspec.
6119 (c_parser_parms_list_declarator): Likewise.
6120 * c-typeck.c (c_vla_type_p): Add.
6121 (composite_type): Add support for vla compositing.
6122 (comptypes_internal): Add support for vla compatibility.
6123 (c_expr_sizeof_expr): Evaluate vla arguments.
6124 * tree.c (variably_modified_type_p): Update comment for [*].
6126 2006-05-18 Michael Matz <matz@suse.de>
6129 * config.host: Make assignments to host_xmake_file cumulative.
6130 * config.host (*-darwin*): Test $host, not $target.
6132 2006-05-12 Stuart Hastings <stuart@apple.com>
6134 * config/i386/i386.opt (-mstackrealign): New flag.
6135 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6136 (ix86_handle_cconv_attribute): Emit error when
6137 force_align_arg_pointer attribute collides with too many regparms.
6138 (ix86_function_regparm): Limit regparms when used with
6139 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6140 Support stack-realigning prologue in non-main functions. Emit
6141 warning for nested functions under -mstackrealign, emit error for
6142 nested functions with force_align_arg_pointer attribute.
6143 * doc/extend.texi (force_align_arg_pointer): Document it.
6144 * doc/invoke.texi (-mstackrealign): Document it.
6146 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6148 PR rtl-optimization/27477
6149 * combine.c (try_combine): Don't split a parallel consisting
6150 of two sets into two individual sets if both sets reference
6153 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6155 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6156 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6158 * doc/options.texi (VarExists): Updated.
6160 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6162 * unwind-dw2.c: Add declarations for uw_update_context and
6164 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6165 detected, advance frame state and context once to skip over stub.
6167 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6171 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6172 Call rewrite_into_loop_closed_ssa only when something changed.
6173 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6174 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6175 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6176 Test for perfect_nest_p here. Fix formating.
6177 (replace_uses_equiv_to_x_with_y): Fix formating.
6178 (stmt_uses_op): Removed.
6179 (can_convert_to_perfect_nest): Removed loopivs parameter.
6180 Complete the test by checking the scalar dependences.
6181 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6184 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6187 From Dan Kegel <dank@kegel.com>:
6188 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6190 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6192 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6193 if the element type is variably modified without recursing.
6195 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6198 * tree-loop-linear.c (try_interchange_loops): Test for
6199 no data dependences.
6201 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6203 PR tree-optimization/27548
6204 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6205 range of ssa names that appear on abnormal edges.
6206 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6207 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6209 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6212 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6214 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6217 * tree.h (OMP_PARALLEL_COMBINED): Define.
6218 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6219 (new_omp_context): Add is_combined_parallel argument.
6220 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6221 new_omp_context caller.
6222 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6223 Adjust gimplify_scan_omp_clauses callers.
6224 (omp_is_private): Issue errors if iteration variable is firstprivate
6225 or reduction in the current context.
6226 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6227 on combined parallel workshare constructs.
6229 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6231 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6232 (gcc-options.o): New rule.
6234 * optc-gen.awk: Protect variables for gcc-options.o with
6235 #ifdef GCC_DRIVER/#endif.
6237 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6239 Fix PR tree-optimization/27373
6240 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6241 (forward_propagate_addr_expr): Update call.
6243 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6245 * doc/options.texi: Move the Negative option.
6247 2006-05-16 Richard Guenther <rguenther@suse.de>
6249 PR tree-optimization/22303
6250 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6252 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6253 ccp_fold did not simplify the statement.
6255 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6258 * Makefile.in (GCC_OBJS): New.
6259 (OBJS-common): Add opts-common.o.
6260 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6261 (cpp$(exeext)): Likewise.
6262 (gcc.o): Also depend on opts.h.
6263 (opts-common.o): New.
6265 * common.opt (gcoff): Add Negative(gdwarf-2).
6266 (gdwarf-2): Add Negative(gstabs).
6267 (gstabs): Add Negative(gstabs+).
6268 (gstabs+): Add Negative(gvms).
6269 (gvms): Add Negative(gxcoff).
6270 (gxcoff): Add Negative(gxcoff+).
6271 (gxcoff+): Add Negative(gcoff).
6272 * config/i386/i386.opt (m32): Add Negative(m64).
6273 (m64): Add Negative(m32).
6275 * doc/options.texi: Document the Negative option.
6277 * gcc.c: Include "opts.h".
6278 (main): Call prune_options after expandargv.
6280 * optc-gen.awk: Generate common declarations for all flag
6281 variables in options.c. Output the neg_index field.
6283 * opts.c (find_opt): Moved to ...
6284 * opts-common.c: Here. New file.
6286 * opts.h (cl_option): Add a neg_index field.
6288 (prune_options): Likewise.
6290 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6293 * omp-low.c (expand_omp_parallel): Don't assert
6294 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6295 instead search for it.
6298 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6301 2006-05-16 Andreas Schwab <schwab@suse.de>
6303 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6306 2006-05-15 Roger Sayle <roger@eyesopen.com>
6309 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6310 integer constants other than zero are only legitimate on TARGET_64BIT.
6311 <CONST_VECTOR> Only zero vectors are legitimate.
6312 (ix86_cannot_force_const_mem): Integral and vector constants can
6313 always be put in the constant pool.
6315 2006-05-16 DJ Delorie <dj@redhat.com>
6317 * crtstuff.c (__dso_handle): Set section from
6318 TARGET_LBIGCC_SDATA_SECTION if defined.
6319 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6320 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6322 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6325 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6328 2006-05-16 Ben Elliston <bje@au.ibm.com>
6330 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6332 2006-05-15 Per Bothner <per@bothner.com>
6334 * tree.c: (last_annotated_node): Use source_locus typedef.
6335 This permits bootstrapping with --enable-mapped-location.
6337 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6339 PR tree-optimization/26830
6340 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6341 (info_for_ssa_name, current_info_for_ssa_name_age,
6342 blocks_to_update): New variables.
6343 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6344 (clear_ssa_name_info, initialize_flags_in_bb,
6345 mark_block_for_update): New functions.
6346 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6347 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6348 prepare_def_site_for): Use mark_block_for_update.
6349 (mark_def_interesting): Assert that the processed block is marked in
6350 blocks_to_update. Do not take blocks argument.
6351 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6353 (rewrite_update_init_block, rewrite_update_stmt): Only process
6354 blocks with statements to rewrite.
6355 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6356 (update_ssa): Initialize and free blocks_to_update. Do not
6357 clear flags on statements. Do not use blocks bitmap.
6358 * tree.h (SSA_NAME_AUX): Removed.
6359 (struct tree_ssa_name): Removed aux field.
6360 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6362 2006-05-15 Richard Guenther <rguenther@suse.de>
6364 PR tree-optimization/27603
6365 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6366 Do computations in original type.
6368 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6370 * see.c: Code style changes such as redundant paranthesis,
6371 redundant intialization of local variables etc.
6372 (see_main): Declared now as static.
6373 * doc/invoke.texi: Update that -fsee is not enabled by
6376 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6378 * omp-low.c (check_omp_nesting_restrictions): New function.
6379 (scan_omp_1): Call it.
6382 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6383 construct, return *VAR.
6385 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6387 PR rtl-optimization/27406
6388 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6391 2006-05-14 Roger Sayle <roger@eyesopen.com>
6393 PR rtl-optimization/27538
6394 * combine.c (expand_compound_operation): Call gen_lowpart
6395 before calling simplify_shift_const.
6397 2006-05-14 Roger Sayle <roger@eyesopen.com>
6399 PR rtl-optimization/22563
6400 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6401 a fixed width bitfield, always force the intermediates into psuedos.
6403 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6406 * mkconfig.sh: Use operator = instead of == for test.
6408 2006-05-13 Nick Clifton <nickc@redhat.com>
6410 * dwarf2out.c (dbx_reg_number): Check return value from
6411 LEAF_REG_REMAP and only use it if it is valid.
6412 (multiple_reg_loc_descriptor): Likewise.
6414 2006-05-13 Richard Guenther <rguenther@suse.de>
6416 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6419 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6421 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6422 information attached to non-INSNs such as NOTEs.
6423 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6425 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6427 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6429 * config/s390/s390.md: Adjust comment describing On constraint.
6431 2006-05-11 Jan Hubicka <jh@suse.cz>
6433 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6434 to be output at -O0.
6436 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6439 * fold-const.c (size_binop): Move sanity check for arguments to
6440 the beginning of the function.
6443 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6446 2006-05-11 Richard Guenther <rguenther@suse.de>
6449 * fold-const.c (fold_unary): Handle intermediate conversion
6450 to a pointer type like intermediate conversion to an integer
6451 type in folding of (T1)(T2)var to var.
6452 Match the code to the comment in the final conversion for
6453 (T1)(T2)var to (T1)var regarding to type precision. Rather
6454 than disallow T1 being of pointer type, assert that both T1
6455 and var are of pointer type or not. Make sure not to fall
6456 over the frontends lazyness wrt array to pointer decay though.
6458 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6460 * arm.c (arm_struct_value_rtx): Delete.
6461 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6462 (arm_init_cumulative_args): Always initialize nregs to zero.
6464 2006-05-10 Richard Guenther <rguenther@suse.de>
6466 PR tree-optimization/27532
6467 * tree-object-size.c (plus_expr_object_size): Fix typo.
6469 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6472 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6473 ashrdi_const, ashrdi3): Use a scratch register.
6475 2006-05-10 Richard Guenther <rguenther@suse.de>
6477 PR tree-optimization/27302
6478 * fold-const.c (operand_equal_p): For two comparisons,
6479 try comparison of one comparison code swapped if that yields
6482 2006-05-10 Ben Elliston <bje@au.ibm.com>
6484 * tree-pretty-print.c (pretty_print_string): No need to handle
6485 '\0' as a special character.
6487 * tree.h: Include "hashtab.h".
6488 (iterative_hash_expr): Use hashval_t in its prototype.
6489 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6491 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6494 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6495 (hppa*64*-*-hpux11*): Ditto.
6496 (hppa[12]*-*-hpux11*): Ditto.
6498 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6501 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6503 2006-05-09 Michael Matz <matz@suse.de>
6505 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6506 host_extra_gcc_objs and host_xmake_file.
6507 (<*-*-linux*>): Don't overwrite host_xmake_file.
6508 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6509 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6510 (host_detect_local_cpu): Declare.
6511 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6512 * config/i386/i386.c (override_options): Handle -mtune=native
6514 * config/i386/x-i386: New file.
6515 * config/i386/driver-i386.c: New file.
6516 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6519 2006-05-09 Dirk Mueller <dmueller@suse.de>
6520 Richard Guenther <rguenther@suse.de>
6523 * fold-const.c (fold_read_from_constant_string): Relax check
6524 for matching types to matching modes.
6526 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6528 PR rtl-optimization/27335
6529 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6532 2006-05-08 Chao-ying Fu <fu@mips.com>
6533 Richard Sandiford <richard@codesourcery.com>
6535 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6536 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6537 * config/mips/mips.md (UNSPEC_SCC): New constant.
6538 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6539 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6540 (mips_emit_compare): Use it.
6541 (mips_expand_vcondv2sf): New function.
6543 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6545 Fix PR tree-optimization/27093
6546 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6547 renaming when they become not-used_alone.
6549 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6551 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6552 relocation and relocation stubs.
6554 2006-05-08 Eric Christopher <echristo@apple.com>
6556 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6559 2006-05-08 Jan Hubicka <jh@suse.cz>
6562 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6563 unused static functions are needed.
6565 2006-05-08 Roger Sayle <roger@eyesopen.com>
6568 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6569 of a reg_equiv_constant if the result is a legitimate constant.
6571 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6574 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6575 standard 80387 constants, raise the cost to prevent
6576 compress_float_constant() to generate load from memory.
6578 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6580 * config/arm/constraints.md (c): Fix a typo.
6582 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6585 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6588 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6590 (_mm_mwait): Likewise.
6592 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6594 (sse3_monitor): Make it 32bit only.
6595 (sse3_monitor64): New. 64bit monitor.
6597 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6600 * config/i386/i386.c (classify_argument): Skip fields with invalid
6603 2006-05-07 Richard Guenther <rguenther@suse.de>
6605 PR tree-optimization/27409
6606 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6607 Do not try to find zero-sized subvars.
6609 2006-05-07 Richard Guenther <rguenther@suse.de>
6611 PR tree-optimization/27136
6612 * tree-ssa-loop-niter.c (get_val_for): Correct function
6613 comment, assert requirements.
6614 (loop_niter_by_eval): Stop processing if the iterated
6615 value did not simplify.
6617 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6619 * opts.c (flag_see): remove its setting at -O3.
6621 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6623 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6624 * arm/constraints.md: New file.
6625 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6626 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6627 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6628 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6629 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6630 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6631 * arm.md: Include constraints.md.
6632 (thumb_movsi_insn): Use satisfies_constraint_J.
6633 (movhi, movqi): Use satisfies_constraint_I.
6635 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6637 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6638 for atmeg a645 device.
6640 2006-05-06 Richard Guenther <rguenther@suse.de>
6642 PR tree-optimization/27151
6643 * tree-vect-transform.c (vectorizable_condition): Punt on
6644 values that have a different type than the condition.
6646 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6649 * c-parser.c (c_parser_cast_expression): Only insert casts into
6650 hash table if pointer.
6651 * function.c (used_types_insert_helper): Rename from
6653 (used_types_insert): Call used_types_insert_helper.
6654 * function.h (used_types_insert): Accept only one argument.
6656 2006-05-05 David Edelsohn <edesohn@gnu.org>
6658 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6659 scratch with output modifier.
6661 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6664 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6665 with output modifier.
6667 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6670 * config/mips/mips.c (mips_symbolic_address_p): Return true
6671 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6672 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6674 2006-05-04 Richard Guenther <rguenther@suse.de>
6676 PR tree-optimization/14287
6677 PR tree-optimization/14844
6678 PR tree-optimization/19792
6679 PR tree-optimization/21608
6680 PR tree-optimization/27090
6681 * tree-ssa-pre.c (try_combine_conversion): New function.
6682 (compute_avail): After constructing the value-handle
6683 expression, use try_combine_conversion to combine NOP_EXPRs
6684 with previous value-handle expressions and use the result if it
6687 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6689 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6691 2006-05-04 Jan Hubicka <jh@suse.cz>
6694 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6696 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6698 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6699 that this only matches CONST_INTs. All users changed to VOIDmode
6702 * config/bfin/bfin.c: Include "optabs.h".
6703 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6705 (enum bfin_builtins): Add a number of fractional and vector builtins.
6706 (bfin_init_builtins): Likewise.
6707 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6708 (safe_vector_operand, bfin_expand_binop_builtin,
6709 bfin_expand_unop_builtin): New functions.
6710 (bfin_expand_builtin): Handle the new builtins.
6711 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6714 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6717 * Makefile.in (OBJS-common): Add see.o.
6718 (see.o): Add dependencies.
6719 * common.opt (fsee): New flag for the see optimization was added.
6720 * opts.c (flag_see): Initialized.
6721 * passes.c (init_optimization_passes, pass_see): New pass.
6722 * rtl.h (see_main): Declaration as extern.
6723 * timevar.def (TV_SEE): New.
6724 * tree-pass.h (pass_see): Declaration as extern.
6725 * invoke.texi (-fsee): Document.
6726 * recog.c (validate_simplify_insn): New function.
6727 * recog.h (validate_simplify_insn): Declaration as extern.
6728 * df-problems.c (df_chain_dump): Check for NULL.
6730 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6731 Daniel Berlin <dberlin@dberlin.org>
6733 * cfgrtl.c (insert_insn_bb_end_new): New function.
6734 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6736 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6738 * df.h (struct web_entry): Moved from web.c.
6739 (union_defs): Declaration as extern.
6740 (unionfind_root): Likewise.
6741 (unionfind_union): Likewise.
6742 * web.c (struct web_entry): Moved to df.h.
6743 (unionfind_root): Remove static declaration.
6744 (unionfind_union): Likewise.
6745 (union_defs): Likewise and generalize to use callback function.
6746 (web_main): Update arguments for union_defs function call.
6748 2006-05-04 Richard Guenther <rguenther@suse.de>
6750 PR tree-optimization/26447
6751 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6752 produce SSA_NAME copies before the store stmt to avoid
6753 breaking exception handling.
6755 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6758 * gimplify.c (omp_is_private): If var is shared in some outer context,
6759 return false instead of true. Stop searching on parallel context
6762 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6765 * coverage.c: Use get_gcov_unsigned_t() instead of
6766 unsigned_type_node all over.
6768 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6770 PR tree-optimization/27381
6771 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6772 maintain the same immediate_use links.
6773 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6774 node rather than segfaulting.
6776 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6779 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6780 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6781 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6783 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6785 Fix PR tree-optimization/26626
6786 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6788 * tree-ssa-operands.c (access_can_touch_variable): Allow
6789 typecasting through union pointers.
6791 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6794 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6795 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6796 to find if var will be a global variable even in the nested context.
6797 (omp_copy_decl): Only check for global variable at the end, it might
6798 be overridden in outer contexts.
6799 (scan_sharing_clauses): For global variables don't create a field.
6800 (lower_rec_input_clauses): Do nothing for global shared variables.
6801 Emit a barrier at the end of ILIST if there were any decls in both
6802 firstprivate and lastprivate clauses.
6803 (lower_send_clauses): Do nothing for global variables except for
6806 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6808 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6809 of the correct signedness is returned.
6811 2006-05-02 Jeff Law <law@redhat.com>
6813 PR tree-optimization/27364
6814 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6815 multiply expressions.
6817 2006-05-02 Tom Tromey <tromey@redhat.com>
6819 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6821 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6824 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6825 -mthumb -fPIC are used.
6827 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6828 Joshua Kinard <kumba@gentoo.org>
6831 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6832 with 64-bit pointers.
6834 2006-05-02 Paul Brook <paul@codesourcery.com>
6836 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6838 (create_fix_barrier): Check that a suitable barrier location is
6840 (arm_reorg): Include ftmp->address in allowable range of addresses.
6842 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6845 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6848 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6851 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6852 around RESULT_DECL for result passed by reference.
6853 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6854 * omp-low.c (use_pointer_for_field): Don't look at
6855 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6856 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6857 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6858 time or var for passing by reference for
6859 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6860 TREE_ADDRESSABLE variables when passing by reference.
6862 * omp-low.c (dump_omp_region): Fix output formatting.
6865 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6866 (expand_omp_parallel): Likewise.
6867 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6870 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6871 on statement list containing also constructors and destructors.
6872 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6875 * except.c (duplicate_eh_regions): Fix clearing of
6876 cfun->eh->region_array entries.
6878 2006-05-01 DJ Delorie <dj@redhat.com>
6880 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6882 (gcc_cv_objdump): Likewise.
6883 * configure: Regenerated.
6885 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6888 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6889 templates for case 3 and 4.
6891 2006-05-01 DJ Delorie <dj@redhat.com>
6893 * vec.c: Include bconfig.h when appropriate.
6894 * Makefile.in (build/vec.o): Adjust dependencies.
6895 * mkconfig.sh: Make sure config.h isn't used for build machine
6898 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6900 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6902 (mark_phi_for_rewrite): New function.
6903 (insert_phi_nodes_for, mark_use_interesting): Call
6904 mark_phi_for_rewrite.
6905 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6906 (update_ssa): Initialize and free phis_to_rewrite.
6908 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6910 PR rtl-optimization/27291
6911 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6912 folded to a constant.
6914 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6916 PR tree-optimization/27283
6917 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6918 not whole # of iteration descriptions.
6919 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6920 uses abnormal ssa name.
6921 (niter_for_single_dom_exit): Ditto.
6922 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6923 return just the number of iterations.
6925 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6927 PR tree-optimization/27144
6928 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6929 (record_estimate): Only record constant upper bound.
6930 (infer_loop_bounds_from_undefined): Call
6931 compute_estimated_nb_iterations just once.
6932 (proved_non_wrapping_p): Renamed to ...
6933 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6934 (convert_step_widening, scev_probably_wraps_p): Call
6935 n_of_executions_at_most instead of proved_non_wrapping_p.
6936 (substitute_in_loop_info): Do not replace values in bounds.
6937 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6940 2006-05-01 Richard Henderson <rth@redhat.com>
6943 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6944 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6947 2006-05-01 Roger Sayle <roger@eyesopen.com>
6949 * c-typeck.c (parser_build_binary_op): Don't call the function
6950 unsigned_conversion_warning to spot operand/result type overflow.
6951 (build_binary_op): Instead, call convert_and_check instead of
6952 convert to report the problem when the operands are promoted.
6953 * c-common.c (unsigned_conversion_warning): Make static.
6954 * c-common.h (unsigned_conversion_warning): Delete prototype.
6956 2006-05-01 Richard Guenther <rguenther@suse.de>
6958 PR tree-optimization/26726
6959 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6961 (find_interesting_uses_address): ... we work around here
6962 by folding INDIRECT_REFs in the substituted base.
6964 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6966 * omp-low.c (dump_omp_region): Add newlines.
6968 2006-04-30 Roger Sayle <roger@eyesopen.com>
6970 * common.opt (Woverflow): New command line option.
6971 * c-common.c (constant_expression_warning): Check warn_overflow.
6972 (overflow_waring): Pass OPT_Woverflow to warning.
6973 (unsigned_conversion_warning): Likewise.
6974 (convert_and_check): Likewise.
6975 * doc/invoke.texi: Document new command line option.
6977 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6979 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6980 TARGET_NO_FP_IN_TOC for section anchors.
6981 (optimization_options): Enable section anchors for all
6982 non-"Objective" languages.
6984 2006-04-28 Eric Christopher <echristo@apple.com>
6986 * config/darwin-c.c (darwin_ms_struct): Move this
6987 (darwin_set_default_type_attributes): and this...
6988 * config/darwin.c: ... here.
6989 * config/darwin.h (darwin_ms_struct): Declare.
6991 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6993 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6995 2006-04-28 Roger Sayle <roger@eyesopen.com>
6998 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6999 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7000 an unsigned HOST_WIDE_INT.
7001 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7003 (really_start_incremental_init): No need to call convert because
7004 bitsize_zero_node is already of type bitsizetype.
7005 (push_init_level): Extract the value of constructor_index as an
7006 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7007 (process_init_element): Likewise.
7009 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7011 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7012 value before passing to make_relative_prefix.
7014 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7017 * builtins.c (expand_builtin_memset): Expand val in original mode.
7019 2006-04-27 Eric Christopher <echristo@apple.com>
7021 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7022 with #ifndef/#endif.
7023 * config/darwin-c.c (darwin_ms_struct): New.
7024 (darwin_pragma_ms_struct): Ditto.
7025 (darwin_set_default_type_attributes): Ditto.
7026 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7027 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7028 Register ms_struct pragma.
7029 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7030 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7031 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7032 darwin_set_default_type_attributes if TARGET_MACHO.
7034 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7036 PR tree-optimization/26854
7037 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7038 * doc/tree-ssa.texi: Update immuse iterator documentation.
7039 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7040 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7041 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7042 first_safe_imm_use, next_safe_imm_use): Remove.
7043 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7044 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7045 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7046 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7047 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7048 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7049 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7050 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7051 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7052 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7053 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7054 (perfect_nestify): Use new iterator.
7055 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7057 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7058 (next_imm_name): New field in struct immediate_use_iterator_d.
7059 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7060 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7061 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7062 * tree-cfg.c (replace_uses_by): Use new iterator.
7063 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7064 * tree-ssa-operands.c (correct_use_link): Remove.
7065 (finalize_ssa_use_ops): No longer call correct_use_link.
7067 2006-04-27 Stuart Hastings <stuart@apple.com>
7069 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7070 * config/t-darwin (crt3.o): Use it.
7071 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7072 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7073 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7074 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7075 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7078 2006-04-27 Roger Sayle <roger@eyesopen.com>
7080 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7081 size, force the intermediate into a new pseudo rather instead of
7082 performing both a bitwise AND and a bitwise IOR in memory.
7084 2006-04-27 Richard Guenther <rguenther@suse.de>
7086 PR rtl-optimization/26685
7087 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7088 this one "max-flow-memory-locations".
7090 2006-04-27 Richard Guenther <rguenther@suse.de>
7092 PR tree-optimization/25148
7093 * tree-vrp.c (compare_values): Remove code dealing with
7094 comparisons against type min/max value. Honour overflow
7095 and negative constants in code dealing with comparisons
7096 of plus and minus expressions.
7097 (value_inside_range): Use fold_binary with LE_EXPR and
7098 GE_EXPR rather than compare_values.
7100 2006-04-27 Dirk Mueller <dmueller@suse.de>
7102 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7105 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7107 * basic-block.h (safe_insert_insn_on_edge): Removed.
7108 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7110 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7111 Paolo Bonzini <bonzini@gnu.org>
7114 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7115 (simplify_and_const_int): Same.
7117 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7119 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7121 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7124 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7125 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7126 cgraph_global_info_ready.
7129 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7132 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7133 either decl or init is error_mark_node.
7136 * tree-flow.h (struct omp_region): Add sched_kind.
7137 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7138 instead of extracting omp for data.
7139 (expand_omp_for): Save extracted sched_kind.
7141 2006-04-25 Roger Sayle <roger@eyesopen.com>
7143 * expmed.c (store_bit_field): Also check whether the bitsize is
7144 valid for the machine's "insv" instruction before moving the
7145 target into a pseudo for use with the insv.
7146 * config/i386/predicates.md (const8_operand): New predicate.
7147 * config/i386/i386.md (extv, extzv, insv): Use the new
7148 const8_operand predicate where appropriate.
7150 2006-04-25 DJ Delorie <dj@redhat.com>
7152 * doc/install.texi (Specific): Clarify that this is not a list of
7153 supported hosts or targets.
7155 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7157 PR rtl-optimization/26725
7158 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7159 block's BB_DIRTY flag.
7161 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7163 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7166 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7167 to print an integer.
7169 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7171 * varasm.c (align_variable): New function.
7172 (get_block_for_decl): Apply align_variable to DECL before
7173 calculating section information.
7174 (assemble_variable): Split out alignment computation.
7176 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7178 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7181 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7183 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7184 MODE_PARTIAL_INT mode.
7185 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7186 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7188 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7189 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7191 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7193 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7195 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7196 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7197 MACFLAG_IH): Likewise.
7198 (movstricthi_1): Renamed from "*movstricthi".
7199 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7200 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7201 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7202 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7203 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7204 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7205 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7206 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7207 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7208 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7209 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7210 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7211 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7212 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7213 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7215 * doc/rtl.texi (ss_ashift): Improve wording.
7217 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7219 * dwarf2out.c (verify_marks_clear): New.
7220 (prune_unused_types): Call verify_marks_clear initially, not
7223 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7225 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7226 * doc/rtl.texi: Document them.
7227 * simplify-rtx.c (simplify_unary_operation,
7228 simplify_binary_operation_1): Don't abort when we see them.
7230 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7233 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7234 * configure.ac: Completely disregard languages that are not
7236 * configure: Regenerated.
7238 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7239 Richard Guenther <rguenther@suse.de>
7241 PR tree-optimization/27236
7242 * tree-inline.c (copy_body_r): Make sure to copy
7243 TREE_THIS_VOLATILE flag.
7245 2006-04-24 Richard Guenther <rguenther@suse.de>
7248 * tree-complex.c (update_parameter_components): Don't handle
7249 unused parameters which have no default def.
7251 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7252 Richard Guenther <rguenther@suse.de>
7254 PR tree-optimization/27218
7255 * tree-inline.c (expand_call_inline): Strip useless type
7256 conversions for the return slot address.
7258 2006-04-24 Richard Guenther <rguenther@suse.de>
7260 * cfgloop.h (struct loops): Remove unused field array. Reorder
7262 (LOOP_PREFETCH): Remove.
7264 2006-04-24 Richard Guenther <rguenther@suse.de>
7266 PR tree-optimization/22525
7267 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7268 variable, adjust types of generated expressions.
7270 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7272 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7273 (tree-vect-patterns.o): Likewise.
7275 (cselib.o): Likewise.
7276 (loop-doloop.o): Likewise.
7277 (regclass.o): Likewise.
7278 (reload1.o): Likewise.
7279 (explow.o): Replace target.h with $(TARGET_H).
7280 (ipa-prop.o): Likewise.
7281 (ipa-cp.o): Likewise.
7282 (ipa-inline.o): Likewise.
7283 (reorg.o): Likewise.
7284 (reg-stack.o): Likewise.
7286 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7288 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7290 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7292 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7294 * configure.ac: Completely disregard languages that are not
7296 * configure: Regenerated.
7299 * c-common.h (c_build_bitfield_integer_type): Declare.
7300 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7301 * c-common.c (c_build_bitfield_integer_type): ... here.
7303 2006-04-23 Roger Sayle <roger@eyesopen.com>
7306 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7307 a SImode SUBREG of a floating point register after no_new_pseudos.
7309 2006-04-23 Roger Sayle <roger@eyesopen.com>
7311 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7312 identify potentially eliminable registers to additionally catch
7313 VIRTUAL_INCOMING_ARGS_REGNUM.
7314 (addsi3): Update the conditions on when to use addsi_small_int.
7316 2006-04-23 Roger Sayle <roger@eyesopen.com>
7319 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7320 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7321 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7323 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7325 * fold-const.c (range_predecessor): Use operand_equal_p
7326 as the predicate for equality.
7327 (range_successor): Likewise.
7329 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7332 * config/soft-fp/op-common.h: Fix a typo.
7334 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7337 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7338 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7340 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7342 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7344 * doc/tm.texi: Fix a typo.
7346 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7348 * dwarf2out.c (struct die_struct): Document that die_sib makes
7349 a circular linked list.
7350 (FOR_EACH_CHILD): New.
7351 (reverse_die_lists): Delete.
7352 (reverse_all_dies): Delete.
7353 (add_dwarf_attr): Correct documentation.
7354 (remove_child_with_prev): New.
7355 (remove_child_TAG): Update for change to die_struct, use
7356 remove_child_with_prev.
7357 (add_child_die): Update for change to die_struct.
7358 (splice_child_die): Use remove_child_with_prev and add_child_die.
7359 (print_die): Use FOR_EACH_CHILD.
7360 (die_checksum): Likewise.
7361 (assign_symbol_names): Likewise.
7362 (output_location_lists): Likewise.
7363 (build_abbrev_table): Likewise.
7364 (calc_die_sizes): Likewise.
7365 (mark_dies): Likewise.
7366 (unmark_dies): Likewise.
7367 (unmark_all_dies): Likewise.
7368 (output_die): Likewise.
7369 (prune_unused_types_mark): Likewise.
7370 (prune_unused_types_walk): Likewise.
7371 (same_die_p): Update for change to die_struct.
7372 (break_out_includes): Likewise.
7373 (prune_unused_types_prune): Likewise.
7374 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7375 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7377 (dwarf2out_finish): Don't call reverse_all_dies.
7379 2006-04-21 Eric Christopher <echristo@apple.com>
7381 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7382 in comments and function names.
7384 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7387 * c-typeck.c (digest_init): Robustify.
7389 * c-typeck.c (pop_init_level): Simplify.
7391 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7393 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7395 2006-04-21 Paul Brook <paul@codesourcery.com>
7397 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7398 hardware floating point.
7400 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7402 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7405 2006-04-21 Nick Clifton <nickc@redhat.com>
7407 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7410 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7413 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7414 C++ lang type in traceback table for Objective-C++.
7416 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7418 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7420 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7422 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7425 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7426 were errors. Remove check for erroneous objects.
7428 2006-04-20 Jeff Law <law@redhat.com>
7430 PR tree-optimization/26854
7431 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7432 checking for zero or one use.
7433 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7434 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7435 * tree-ssa-reassoc.c (negate_value): Similarly.
7436 (reassociate_bb): Similarly.
7438 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7440 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7441 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7442 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7444 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7446 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7447 fp regs if the last fp arg doesn't fit in regs.
7449 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7452 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7453 that the last insn has the REG_INC note.
7455 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7456 Nathan Sidwell <nathan@codesourcery.com>
7459 * stor-layout.c (update_alignment_for_field): Do not align
7461 (place_union_field): Place union field at the start of the union.
7462 (place_field): Move ERROR_MARK check later, and use the current
7463 allocation position to maintain monotonicity.
7465 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7467 * dominance.c: Include timevar.h.
7468 (calculate_dominance_info): Use TV_DOMINANCE.
7469 * timevar.def (TV_DOMINANCE): New timevar.
7470 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7472 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7474 PR rtl-optimization/14261
7475 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7476 move would be an INSV insn.
7477 (noce_process_if_block): Don't optimize if the destination is a
7478 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7480 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7482 * config/s390/s390.md: Add comments with the instructions emitted
7483 by an insn pattern if macros are used.
7485 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7487 PR rtl-optimization/26026
7488 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7489 is a known power of two shifted left a variable amount.
7491 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7493 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7494 to hash table twice when the debug_str section has SECTION_MERGE.
7496 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7498 * config/soft-fp: New directory. From glibc.
7499 * config/soft-fp/t-softfp: New.
7500 * config/soft-fp/README: New.
7501 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7502 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7503 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7504 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7505 * config.gcc: Use rs6000/t-fprules-fpbit or
7506 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7508 * config/rs6000/sfp-machine.h: New. Based on glibc.
7509 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7511 * config/rs6000/t-fprules: Remove fp-bit rules.
7512 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7513 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7514 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7515 (softfp_wrap_start, softfp_wrap_end): New.
7517 2006-04-18 DJ Delorie <dj@redhat.com>
7519 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7521 2006-04-18 Devang Patel <dpatel@apple.com>
7523 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7525 2006-04-18 Nick Clifton <nickc@redhat.com>
7527 * config/sh/t-symbian: Add rule to build sh-c.o
7528 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7529 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7530 (sh_symbian_encode_section_info): Likewise.
7532 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7534 * builtins.c (expand_builtin_strcmp): Cover label definition of
7535 do_libcall with HAVE_cmpstrnsi.
7537 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7539 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7541 * function.h (temp_slot_p): New.
7542 (function): Change the type of x_used_temp_slots to
7543 VEC(temp_slot_p,gc) *.
7545 2006-04-18 Nick Clifton <nickc@redhat.com>
7547 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7548 flag_strength_reduce.
7550 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7552 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7556 Partial revert of revision 112637
7557 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7558 Dale Johannesen <dalej@apple.com>
7561 * regclass.c (struct reg_pref): Update documentation.
7562 (regclass): Set prefclass to NO_REGS if memory is the best option.
7563 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7565 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7567 PR tree-optimization/26821
7568 * tree-ssa-math-opts.c (get_constant_one): New.
7569 (insert_reciprocals): Use it.
7571 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7573 * dwarf2out.c (free_AT): Delete.
7574 (remove_AT): Update string ref counts.
7575 (remove_child_TAG): Don't call free_die.
7577 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7578 or DW_TAG_GNU_EINCL.
7579 (prune_unused_types_walk_attribs): Reset string refcounts.
7580 (prune_unused_types_update_strings): New.
7581 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7582 call free_die. Do call prune_unused_types_update_strings.
7583 (prune_unused_types): Empty debug_str_hash.
7585 2006-04-17 Roger Sayle <roger@eyesopen.com>
7587 * expr.c (expand_assignment): Optimize away no-op moves where the
7588 source and destination are equal and have no side-effects.
7590 2006-04-17 Richard Guenther <rguenther@suse.de>
7593 * reload.c (push_reload): Guard calls to get_secondary_mem
7596 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7598 * alias.c (reg_base_value, old_reg_base_value): Change the
7599 type to VEC(rtx,gc) *.
7600 (REG_BASE_VALUE, find_base_value, record_set,
7601 init_alias_analysis): Use VEC instead of VARRAY.
7603 * alias.c (alias_sets): Change the type to
7604 VEC(alias_set_entry,gc) *.
7605 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7606 VEC instead of VARRAY.
7607 (last_alias_set): Remove.
7609 * cgraph.h (cgraph_edge_p): New.
7610 Update the prototype of cgraph_function_versioning.
7611 * cgraphunit.c (cgraph_copy_node_for_versioning,
7612 cgraph_function_versioning): Use VEC instead of VARRAY.
7613 * ipa-cp.c (ipcp_insert_stage): Likewise.
7615 2006-04-16 Roger Sayle <roger@eyesopen.com>
7618 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7619 "A op B" or "A op C", we may need to convert A to the type of B and C.
7621 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7623 * target.h (struct gcc_target): Add mode_rep_extended.
7624 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7625 (init_num_sign_bit_copies_in_rep): Initialize it using
7627 (truncate_to_mode): Use it.
7628 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7629 * targhooks.h (default_mode_rep_extended): Declare it.
7630 * targhooks.c (default_mode_rep_extended): Define it.
7631 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7632 default_mode_rep_extended.
7633 (TARGET_INITIALIZER): Include it.
7634 * doc/tm.texi (Misc): Document it.
7635 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7636 (mips_truncated_to_mode): New function.
7638 2006-04-16 Roger Sayle <roger@eyesopen.com>
7641 * expr.c (compress_float_constant): Copy the narrow constant into
7642 a new pseudo before extending it to its final width.
7644 2006-04-16 Roger Sayle <roger@eyesopen.com>
7645 Andrew Pinski <pinskia@gcc.gnu.org>
7646 Dale Johannesen <dalej@apple.com>
7649 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7650 special case code to implement V8HImode and V16QImode with SSE2.
7652 2006-04-15 Roger Sayle <roger@eyesopen.com>
7654 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7655 trees are constructed with a suitable tree type.
7657 2006-04-15 Roger Sayle <roger@eyesopen.com>
7659 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7660 (integer_onep): Likewise.
7661 (integer_all_onesp): Likewise.
7662 (integer_pow2p): Likewise.
7663 (integer_nonzerop): Likewise.
7664 (real_zerop): Likewise.
7665 (real_onep): Likewise.
7666 (real_twop): Likewise.
7667 (real_minus_onep): Likewise.
7668 (int_size_in_bytes): Likewise.
7669 (host_integerp): Likewise.
7671 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7673 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7674 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7675 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7677 * tree-ssa-structalias.h (alias_info): Remove num_references.
7679 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7681 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7682 (output_bvb patterns): Likewise.
7683 * pa.c (output_bb): Use 'bb' insn for long branch case.
7684 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7685 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7686 1. Correct length operand for alternatives 1 and 2.
7687 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7688 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7690 2006-04-14 Roger Sayle <roger@eyesopen.com>
7692 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7693 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7694 were accidentally reverted by r112959.
7696 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7699 * except.h (eh_region_outermost): New prototype.
7700 * except.c (eh_region_outermost): New function.
7701 * tree-cfg.c (find_outermost_region_in_block): Use it.
7703 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7705 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7707 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7708 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7709 (init_reload, reload): Use VEC instead of VARRAY.
7710 * reload.h: Update the prototype for
7711 reg_equiv_memory_loc_varray.
7713 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7714 Eric Botcazou <ebotcazou@libertysurf.fr>
7716 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7719 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7722 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7723 to expand fallback builtin function call.
7725 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7728 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7729 and emit libcall here in case the builtin fails.
7730 (expand_builtin_strcmp): Always emit the libcall here on failure.
7732 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7734 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7735 * flow.c (reg_n_info): Change the type to
7736 VEC(reg_info_p,heap) *.
7737 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7739 * regs.h (reg_info_p): New.
7740 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7741 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7742 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7745 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7747 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7749 * params.h (MAX_SCHED_READY_INSNS): New macro.
7750 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7751 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7752 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7753 the ready list for 1 cycle during the first scheduling pass.
7754 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7756 2006-04-13 Richard Henderson <rth@redhat.com>
7759 * gimple-low.c (lower_omp_directive): Remove dead code.
7760 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7761 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7762 * omp-low.c (struct omp_region): Move to tree-flow.h.
7763 (root_omp_region): Export.
7764 (omp_regions, lookup_omp_region): Remove.
7765 (determine_parallel_type): Update for struct omp_region changes.
7766 (dump_omp_region): Dump regions with block numbers.
7767 (new_omp_region): Take type and block instead of stmt; malloc
7769 (free_omp_region_1, free_omp_regions): New.
7770 (expand_parallel_call): Take entry_stmt as argument; update for
7771 changes to omp_region.
7772 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7773 (remove_exit_barriers): New.
7774 (expand_omp_parallel): Update for struct omp_region changes.
7775 (expand_omp_synch): Likewise.
7776 (expand_omp): Likewise.
7777 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7778 (expand_omp_for_static_chunk): Likewise.
7779 (expand_omp_for): Likewise.
7780 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7781 (expand_omp_sections): Similarly, with GOMP_sections_end.
7782 (expand_omp_single): New.
7783 (build_omp_regions_1): Update for OMP_CONTINUE.
7784 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7785 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7786 OMP_SECTIONS_SECTIONS.
7787 (lower_omp_single_simple): Don't emit barrier here.
7788 (lower_omp_single_copy): Likewise.
7789 (lower_omp_single): Fix bindings, and lower to straightline now.
7790 (lower_omp_master, lower_omp_ordered): Likewise.
7791 (lower_omp_critical): Likewise.
7792 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7793 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7794 omp edges, free it afterward.
7795 (make_omp_sections_edges): Remove.
7796 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7797 (move_stmt_r): Handle OMP_CONTINUE.
7798 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7799 statement pointers to basic blocks. Add type member.
7800 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7801 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7802 * tree-inline.c (estimate_num_insns_1): Likewise.
7803 * tree-pretty-print.c (dump_generic_node): Likewise.
7804 * tree-ssa-operands.c (get_expr_operands): Likewise.
7805 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7806 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7807 (OMP_CONTINUE): New.
7808 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7809 (OMP_SECTIONS_SECTIONS): Remove.
7810 (OMP_SECTION_LAST): New.
7811 (OMP_RETURN_NOWAIT): New.
7813 2006-04-13 Roger Sayle <roger@eyesopen.com>
7815 * fold-const.c (native_encode_vector, native_interpret_real):
7816 Correct obvious mistakes in the previous check-in.
7818 2006-04-13 Roger Sayle <roger@eyesopen.com>
7820 * fold-const.c (native_encode_expr): New function to encode
7821 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7822 or VECTOR_CST into a specified buffer.
7823 (native_encode_int): New function.
7824 (native_encode_real): New function.
7825 (native_encode_complex): New function.
7826 (native_encode_vector): New function.
7827 (native_interpret_expr): Inverse of native_encode_expr to convert
7828 a target representation into an INTEGER_CST, REAL_CST etc...
7829 (native_interpret_int): New function.
7830 (native_interpret_real): New function.
7831 (native_interpret_complex): New function.
7832 (native_interpret_vector): New function.
7833 (fold_view_convert_expr): New function to constant fold/evaluate
7834 a VIEW_CONVERT_EXPR of a suitable constant expression.
7835 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7836 Change call of build1 to fold_build1 when constructing a
7839 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7840 Ulrich Weigand <uweigand@de.ibm.com>
7843 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7846 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7849 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7850 optimize to lo_sum for DFmode if !TARGET_FPRS.
7852 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7854 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7855 delete_alias_info, compute_flow_sensitive_aliasing,
7856 group_aliases): Use VEC instead of VARRAY.
7857 * tree-ssa-structalias.c (update_alias_info): Likewise.
7858 * tree-ssa-structalias.h (alias_info): Change the type of
7859 processed_ptrs to VEC(tree,heap) *.
7861 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7864 * config/sh/lib1funcs.h: New file, broken out of:
7865 * config/sh/lib1funcs.asm.
7866 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7868 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7869 * config/sh/lib1funcs-Os-4-200.asm: New file.
7870 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7871 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7872 (EXTRA_MULTILIB_PARTS): Include it.
7873 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7874 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7875 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7876 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7879 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7881 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7882 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7883 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7885 * tree-ssa-live.h: Include vecprim.h.
7886 (tree_partition_associator_d): Change the type of
7887 first_partition to VEC(int,heap) *.
7888 (tpa_first_partition): Use VEC instead of VARRAY.
7890 * Makefile.in (GTFILES): Move functions.h after tree.h.
7891 * function.c (reset_block_changes, record_block_change,
7892 check_block_change, free_block_changes): Use VEC instead of
7894 * function.h (function): Change the type of
7895 ib_boundaries_block to VEC(tree,gc) *.
7896 * tree-inline.c (copy_cfg_body): Initialize
7897 ib_boundaries_block to NULL instead of (varray_type) 0.
7899 2006-04-12 Roger Sayle <roger@eyesopen.com>
7901 * expr.c (emit_group_store): Correct operand order in call to
7902 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7903 a SUBREG_BYTE of zero.
7905 2006-04-12 Richard Guenther <rguenther@suse.de>
7907 * profile.c (compute_branch_probabilities): Remove code
7908 encapsulated in !ir_type (), which are remanents of the
7909 removed RTL profiling code.
7910 * rtl-profile.c: Remove.
7912 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7914 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7915 magic NULL_RTX comment.
7916 (function_arg): Store entire fp arg to mem if any part should go
7918 (rs6000_arg_partial_bytes): Adjust for above change.
7920 2006-04-11 Roger Sayle <roger@eyesopen.com>
7922 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7923 if it hasn't been initialized by dwarf2out_init.
7925 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7927 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7928 symbolic constants in branch patterns.
7930 2006-04-11 Roger Sayle <roger@eyesopen.com>
7932 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7934 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7936 PR rtl-optimization/27073
7937 * gcse.c (try_replace_reg): Revert last change. Continue to search
7938 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7941 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7943 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7944 aggregate types other than record and union types.
7945 (function_arg): Likewise.
7946 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7948 (function_value): In 64-bit mode, return objects that require it
7951 2006-04-11 Roger Sayle <roger@eyesopen.com>
7953 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7955 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7957 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7959 2006-04-03 Jeff Law <law@redhat.com>
7962 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7963 alias information too.
7965 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7967 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7969 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7972 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7973 (premark_used_types_helper): New.
7974 (premark_used_types): New.
7975 (gen_subprogram_die): Call premark_used_types.
7976 (prune_unused_types_walk): Do not prune perennial dies.
7977 * function.c (used_types_insert): New.
7978 * function.h (struct function): Add used_types_hash field.
7979 (used_types_insert): Add prototype.
7980 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7981 * c-parser.c (c_parser_cast_expression): Save casted types in used
7984 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7987 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7988 rs6000_explicit_options.float_gprs.
7990 2006-04-10 Roger Sayle <roger@eyesopen.com>
7992 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7993 from ix86_expand_vector_init_low_nonzero. Take an additional
7994 one_var argument indicating which element is non-zero. Support
7995 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7996 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7997 with one_var instead of ix86_expand_vector_init_low_nonzero.
7999 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8001 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8002 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8003 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8004 build/genextract.o): Depend on vecprim.h.
8005 * cfglayout.c, df-problems.c, function.c, genextract.c,
8006 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8007 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8011 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8013 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8014 Declare VECs of this type.
8015 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8016 (remove_children): Delete.
8017 (add_dwarf_attr): Use VEC routines.
8018 (add_AT_flag): Update for changes to add_dwarf_attr.
8019 (add_AT_int): Likewise.
8020 (add_AT_unsigned): Likewise.
8021 (add_AT_long_long): Likewise.
8022 (add_AT_vec): Likewise.
8023 (add_AT_string): Likewise.
8024 (add_AT_die_ref): Likewise.
8025 (add_AT_fde_ref): Likewise.
8026 (add_AT_loc): Likewise.
8027 (add_AT_loc_list): Likewise.
8028 (add_AT_addr): Likewise.
8029 (add_AT_lbl_id): Likewise.
8030 (add_AT_lineptr): Likewise.
8031 (add_AT_macptr): Likewise.
8032 (add_AT_offset): Likewise.
8033 (add_AT_range_list): Likewise.
8034 (get_AT): Use VEC_iterate.
8035 (remove_AT): Use VEC_ordered_remove.
8036 (free_die): Fold remove_children into here; have it use VEC_iterate.
8037 (print_die): Use VEC_iterate on attrs.
8038 (reverse_die_lists): Don't reverse attr lists.
8039 (die_checksum): Use VEC_iterate on attrs.
8040 (same_die_p): Likewise.
8041 (output_location_lists): Likewise.
8042 (build_abbrev_table): Likewise.
8043 (size_of_die): Likewise.
8044 (unmark_all_dies): Likewise.
8045 (output_abbrev_section): Likewise.
8046 (output_die): Likewise.
8047 (prune_unused_types_walk_attribs): Likewise.
8049 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8051 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8053 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8056 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8058 2006-04-09 Roger Sayle <roger@eyesopen.com>
8060 * expr.c (store_constructor): Don't bother clearing target if
8061 we're about to assign a vector to it using vec_init_optab.
8063 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8065 * tree-ssa-alias.c (lhs_may_store_to): New function.
8066 (recalculate_used_alone): Handle LHS of calls.
8068 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8072 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8073 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8074 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8075 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8076 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8077 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8078 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8079 stubs. Add ".align 8" directives before all ".dword" directives.
8080 (GTHREAD_USE_WEAK): Revise comment.
8081 (TARGET_ATTRIBUTE_WEAK): Define.
8082 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8083 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8084 * stublib.c: New file.
8089 * pa.md (cbranch patterns): Revise arguments used in calls to
8090 output_cbranch, output_bb and output_bvd. Add long branch length
8092 (fbranch patterns): Handle long branches.
8093 (jump): Revise length check. Revise arguments for output_lbranch call.
8094 Add long branch length attributes.
8095 (decrement_and_branch_until_zero): Add long branch length attributes.
8096 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8097 Likewise. Revise arguments for output_parallel_addb and
8098 output_parallel_movb calls.
8099 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8100 output_parallel_movb and output_parallel_addb): Update prototypes.
8101 * pa.c (output_cbranch): Revise arguments. Correct handling of
8102 nullification in long branches.
8103 (output_lbranch): Add new argument to control extraction of delay
8105 (output_bb): Handle long branches.
8106 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8107 output_parallel_addb): Likewise.
8109 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8111 PR rtl-optimization/27073
8112 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8115 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8117 * tree.h (tree_memory_tag): Add old_used_alone.
8118 (SMT_OLD_USED_ALONE): New macro.
8119 * tree-ssa-alias.c (recalculate_used_alone): Stop
8120 marking things for renaming unnecessarily.
8122 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8124 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8125 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8126 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8127 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8128 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8129 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8130 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8131 spelling convensions.
8132 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8133 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8134 typos. Follow spelling conventions.
8136 2006-04-07 DJ Delorie <dj@redhat.com>
8138 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8139 passed on the stack.
8140 (m32c_init_cumulative_args): When a function returns a structure,
8141 always pass the pointer to that return area on the stack.
8142 (m32c_function_arg_advance): Don't increment the parameter number
8143 if we're processing the returned structure pointer.
8144 (pushm_info): Reverse order of registers.
8146 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8148 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8149 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8150 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8151 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8153 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8154 chrec_fold_multiply): Same.
8155 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8156 force_expr_to_var_cost): Same.
8157 * tree-mudflap.c (mf_xform_derefs_1): Same.
8158 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8160 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8162 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8163 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8166 2006-04-07 Jan Hubicka <jh@suse.cz>
8168 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8170 2006-04-07 Richard Guenther <rguenther@suse.de>
8172 PR tree-optimization/26135
8173 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8174 loads for store copy-prop.
8175 (copy_prop_visit_stmt): Likewise.
8177 2006-04-05 Robert Millan <robertmh@gnu.org>
8179 * config/i386/linux.h: Add a comment to mark macros that are
8180 being overriden in config/k*bsd-gnu.h.
8181 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8183 * config/knetbsd-gnu.h: Ditto.
8185 2006-04-06 Jan Hubicka <jh@suse.cz>
8189 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8192 2006-04-06 Mike Stump <mrs@apple.com>
8194 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8195 for HAVE_nonlocal_goto to be consistent.
8196 (expand_builtin_nonlocal_goto): Likewise.
8197 (expand_builtin_strcmp): Use #ifdef instead of #if
8198 for HAVE_cmpstrnsi to be consistent.
8200 2006-04-05 DJ Delorie <dj@redhat.com>
8202 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8205 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8207 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8208 got-relative addressing for anything but SImode.
8210 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8211 even if the calling function doesn't modify them.
8213 2006-04-05 Richard Guenther <rguenther@suse.de>
8215 PR tree-optimization/26919
8216 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8217 to cgraph_estimate_size_after_inlining.
8219 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8221 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8223 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8225 PR tree-optimization/26996
8226 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8227 VECTOR_TYPE variables.
8229 2006-04-05 Richard Guenther <rguenther@suse.de>
8231 PR tree-optimization/26763
8232 * fold-const.c (fold_comparison): Move folding of
8233 PTR + CST CMP PTR + CST ...
8234 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8236 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8238 * doc/install.texi (Prerequisites): Refine some wording on
8239 bootstrapping and ksh.
8240 Move the version numbers of DejaGnu here from the testing section
8241 and fix casing of names.
8242 Fix markup and clarify wording for autogen requirements.
8243 Refer to GCJ instead of just java.
8244 Refer to SVN instead of CVS.
8245 Describe diffutils as useful instead of necessary.
8246 (Downloading the source): Refer to SVN instead of CVS.
8247 Adjust a link to our web site accordingly.
8248 (Configuration): Fix casing of Bison.
8249 (Building): Refer to SVN instead of CVS.
8250 Fix a sentence on the use of Bison and remove duplicate (and
8251 incorrect) version number of Bison requirement.
8252 Remove one redundant list of packages needed for building.
8253 (Specific): Avoid reference to CVS.
8255 2006-04-04 Eric Christopher <echristo@apple.com>
8257 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8258 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8259 (rs6000_handle_struct_attribute): New.
8260 (rs6000_ms_bitfield_layout_p): Ditto.
8262 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8264 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8265 NULL for dso parameter to atexit_common.
8267 2006-04-04 Eric Christopher <echristo@apple.com>
8269 * config/i386/i386.c (machopic_output_stub): Output \t
8270 between instructions and operands.
8272 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8274 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8275 satisfies_constraint_[IL] to explicit tests on value.
8277 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8279 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8280 set_nb_iterations_in_loop): Use build_int_cst instead of
8282 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8283 build_int_cst instead of convert.
8285 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8287 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8288 new value 2 for incoming.
8289 * function.c (expand_function_start): Call struct_value_rtx
8291 * config/sparc/sparc.md: Comment updated_return.
8292 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8293 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8294 struct return if sparc_std_struct_return and incoming is 2.
8295 (print_operand): Do not adjust return if
8296 sparc_std_struct_return.
8298 2006-04-04 Roger Sayle <roger@eyesopen.com>
8300 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8301 convert in the middle-end.
8302 * expr.c (store_expr, store_constructor, get_inner_reference,
8303 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8305 * tree.c (build_range_type): Likewise.
8307 2006-04-04 Tom Tromey <tromey@redhat.com>
8309 * doc/install.texi (Prerequisites): Mention jar.
8311 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8313 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8316 2006-04-04 Matthias Klose <doko@debian.org>
8318 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8322 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8325 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8327 * doc/extend.texi (Function Attributes): Rewrite visibility
8328 attribute documentation.
8329 * doc/invoke.texi (C++ Dialect Options): Rewrite
8330 -fvisibility-inlines-hidden documentation to describe something
8331 entirely different, although in practise compatible.
8332 (Code Gen Options): Warn about system headers in -fvisibility=
8335 * doc/extend.texi (Other Builtins): Document that
8336 __builtin_nan is a compile-time constant only when its argument
8339 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8341 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8342 trying to remove TRUNCATE check if all bits outside the new mode
8343 are identical to the sign bit.
8345 2006-04-03 Jeff Law <law@redhat.com>
8347 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8348 and operand scanning in some common cases.
8350 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8351 Dale Johannesen <dalej@apple.com>
8354 * regclass.c (struct reg_pref): Update documentation.
8355 (regclass): Set prefclass to NO_REGS if memory is the best option.
8356 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8357 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8358 into account. For non-registers, equate an empty preferred
8359 reload class to a `!' in the constraint; move the if clause to
8360 do so after those that reject the insn.
8361 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8363 (find_dummy_reload): Likewise.
8364 * doc/tm.texi (Register Classes): Document what it means
8365 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8366 * config/i386/i386.c (ix86_preferred_reload_class): Force
8367 using SSE registers (and return NO_REGS for floating-point
8368 constants) if math is done with SSE.
8369 (ix86_preferred_output_reload_class): New.
8370 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8371 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8372 * config/i386/i386.md: Remove # register preferences.
8374 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8377 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8378 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8379 the type of nb_iter.
8380 (instantiate_parameters_1): Convert the operands before calling
8381 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8382 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8384 2006-04-02 Roger Sayle <roger@eyesopen.com>
8386 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8387 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8389 * dojump.c (do_jump): Likewise.
8390 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8391 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8392 gimplify_boolean_expr): Likewise.
8393 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8394 * varasm.c (array_size_for_constructor): Likewise.
8395 * tree-object-size.c (compute_object_offset): Likewise.
8397 2006-04-02 Roger Sayle <roger@eyesopen.com>
8400 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8401 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8403 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8405 PR tree-optimization/26939
8406 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8408 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8410 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8411 at_stmt. Convert the type of operands before calling
8412 build_polynomial_chrec.
8413 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8415 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8416 (instantiate_parameters_1): Convert the type of operands before calling
8417 build_polynomial_chrec.
8418 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8419 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8420 reset_evolution_in_loop): Insert asserts to check the types of the
8422 (chrec_type): Moved...
8423 (eq_evolutions_p): Use operand_equal_p.
8424 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8425 the types of the operands.
8426 (chrec_type): ...here.
8427 * tree-data-ref.c (create_data_ref): Convert the operands before
8428 calling chrec_replace_initial_condition.
8429 (same_access_functions, analyze_subscript_affine_affine,
8430 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8431 (compute_subscript_distance, analyze_ziv_subscript,
8432 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8433 analyze_miv_subscript): Convert the operands before calling
8434 chrec_fold_minus or chrec_fold_plus.
8436 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8438 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8439 the dependence_relations vector.
8440 (compute_data_dependences_for_loop): Adjust call to
8441 compute_all_dependences.
8443 2006-04-01 Roger Sayle <roger@eyesopen.com>
8444 Richard Henderson <rth@redhat.com>
8446 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8447 gimple_boolify on the condition before calling gimplify_expr.
8449 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8451 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8452 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8453 the frame size. Update to use the new macros.
8454 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8455 * config/xtensa/ieee754-df.S: Likewise.
8457 2006-03-31 Richard Henderson <rth@redhat.com>
8459 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8460 (make_edges): ... here. Control fallthru creation with a local
8461 variable. Do not play with fake edges.
8462 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8463 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8466 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8468 * dwarf2.h (DW64_CIE_ID): Define.
8469 * dwarf2out.c (DWARF_CIE_ID): Define.
8470 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8471 length header. Use DWARF_CIE_ID.
8472 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8473 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8475 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8477 * config/sh/linux-atomic.asm: New file.
8478 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8480 2006-03-31 DJ Delorie <dj@redhat.com>
8482 * config/m32c/cond.md: Set condition flags properly throughout.
8483 * config/m32c/minmax.md: Likewise.
8484 * config/m32c/prologue.md: Likewise.
8485 * config/m32c/bitops.md: Likewise.
8486 * config/m32c/muldiv.md: Likewise.
8487 * config/m32c/mov.md: Likewise.
8488 * config/m32c/addsub.md: Likewise.
8489 * config/m32c/m32c.md: Likewise.
8490 * config/m32c/jump.md: Likewise.
8491 * config/m32c/shift.md: Likewise.
8493 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8494 conditionally output the pattern for this.
8495 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8496 (m32c_compare_redundant): New.
8497 (m32c_output_compare): New.
8498 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8500 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8501 dest, not src. Allow other 4-byte modes.
8503 2006-03-30 Denis Chertykov <denisc@overta.ru>
8505 * doc/md.texi: Refer to avr/constraints.md instead of
8508 2006-03-30 Roger Sayle <roger@eyesopen.com>
8510 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8511 signed vs. unsigned comparison failures on some hosts.
8513 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8516 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8517 change to FLOAT_REGS.
8519 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8520 (rs6000_override_options): Use it.
8521 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8522 only for -mabi=spe/no-spe and -mabi=altivec.
8524 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8526 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8529 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8531 * Makefile.in: Rename docdir to gcc_docdir.
8533 2006-03-30 Roger Sayle <roger@eyesopen.com>
8536 * expr.c (emit_group_store): Optimize group stores into a pseudo
8537 register by using a paradoxical subreg to initialize the destination
8538 if the first or last member of the group specifies a "low part".
8540 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8543 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8544 * target.h (struct gcc_target.speculate_insn): Change type of the
8545 second parameter to 'int'.
8546 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8547 the second operand of the DEPS_LIST.
8548 (copy_DEPS_LIST_list): Update reference to the second operand of the
8550 * rtl.h (alloc_DEPS_LIST): Update signature.
8551 * sched-int.h (ds_t): Change typedef to 'int'.
8552 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8554 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8556 * haifa-sched.c (try_ready): Change condition to restore
8557 non-speculative pattern of the instruction.
8558 (process_insn_depend_be_in_spec): Code to keep probability of the
8559 speculative dependence non-decreasing.
8561 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8563 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8564 (single_move_for_movmem): ... this. Also change all uses.
8565 (bfin_expand_strmov): Renamed to...
8566 (bfin_expand_movmem): ... this. Also change all uses.
8567 * config/bfin/bfin.md (movstrsi): Renamed to...
8568 (movstrsi): ...this.
8570 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8572 PR tree-optimization/26830
8574 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8575 (copy_prop_visit_stmt): Remove write-only variable ann.
8576 (init_copy_prop): Check variable loop depth here. Do not simulate
8577 memory-tag and virtual operand PHIs except for store copy prop.
8579 2006-03-30 Richard Guenther <rguenther@suse.de>
8581 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8582 variants with double arguments.
8584 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8586 * genpreds.c (write_tm_constrs_h): Delete variable p.
8587 * genconditions.c (write_header): Add tm-constrs.h to included
8589 * genpeep.c (main): Add toplev.h to included headers.
8590 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8591 (build/genpeep.o): Add toplev.h dependency.
8592 * config/rs6000/constraints.md: Add "W" constraint.
8594 2006-03-29 Roger Sayle <roger@eyesopen.com>
8596 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8597 sizes by correctly testing whether the size fits a host integer.
8598 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8599 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8600 SImode range for the default sizetype and bitsizetype.
8602 2006-03-29 Roger Sayle <roger@eyesopen.com>
8604 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8605 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8606 quickly if the argument is already of the correct type.
8607 Call fold_build1 instead of build1. Tidy up blank lines.
8609 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8611 * genemit.c (main): Add tm-constrs.h to included headers.
8612 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8613 * genpeep.c (main): Add tm-constrs.h to included headers.
8614 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8615 (write_tm_constrs_h): this and write complete file.
8616 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8617 (write_insn_preds_c): Add tm-constrs.h to included headers.
8618 (gen_constrs): New variable.
8619 (parse_option): Parse "-c".
8620 (main): Invoke write_tm_constrs_h.
8621 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8622 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8623 (object_out_file): Add tm-constrs.h dependency.
8624 (insn-emit.o): Same.
8625 (insn-output.o): Same.
8626 (insn-peep.o): Same.
8627 (insn-preds.o): Same.
8628 (insn-recog.o): Same.
8629 (tm-constsr.h): New target.
8630 (s-constrs-h): New target.
8632 * config/rs6000/constraints.md: New file.
8633 * config/rs6000/rs6000.c: Include tm-constrs.h.
8634 (num_insn_constant_wide): Convert to satisfies_constraint.
8635 (rs6000_rtx_costs): Convert to satisfies_constraint.
8636 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8637 (CONST_OK_FOR_LETTER_P): Delete.
8638 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8639 (EXTRA_CONSTRAINT): Delete.
8640 (EXTRA_MEMORY_CONSTRAINT): Delete.
8641 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8642 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8643 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8644 satisfies_constraint.
8646 * config/i386/i386.c: Include tm-constrs.h.
8648 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8650 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8651 * tree-data-ref.c (find_data_references_in_loop,
8652 compute_data_dependences_for_loop): Use pointers to VEC.
8653 (analyze_all_data_dependences): Adjust calls.
8654 * tree-data-ref.h (find_data_references_in_loop,
8655 compute_data_dependences_for_loop): Adjust declarations.
8656 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8657 compute_data_dependences_for_loop.
8659 2006-03-29 Paul Brook <paul@codesourcery.com>
8661 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8664 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8666 PR tree-optimization/26859
8667 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8669 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8670 for the step after fold_convert.
8672 2006-03-29 Paul Brook <paul@codesourcery.com>
8674 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8675 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8677 2006-03-29 Paul Brook <paul@codesourcery.com>
8680 * targhooks.c (default_narrow_bitfield): New fuction.
8681 * targhooks.h (default_narrow_bitfield): add prototype.
8682 * target.h (gcc_target): Add narrow_volatile_bitfield.
8683 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8684 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8685 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8686 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8688 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8690 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8692 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8693 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8694 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8695 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8696 (s390_function_arg_float): Allow SDmode and DDmode values to be
8697 passed in floating point registers.
8698 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8699 check with SCALAR_FLOAT_MODE_P.
8700 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8702 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8704 PR tree-optimization/25985
8705 * tree-ssa-loop-niter.c (number_of_iterations_le,
8706 number_of_iterations_ne): Make comments more precise.
8707 (number_of_iterations_cond): Add only_exit argument. Use the
8708 fact that signed variables do not overflow only when only_exit
8710 (loop_only_exit_p): New.
8711 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8712 number_of_iterations_cond.
8714 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8716 PR tree-optimization/26643
8717 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8720 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8722 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8723 (divsi3_i4_int): Likewise.
8725 2006-03-28 Roger Sayle <roger@eyesopen.com>
8727 * expr.c (emit_group_store): Only create a new pseudo reg if the
8728 quantity it needs to hold isn't already a suitable pseudo.
8730 2006-03-28 Jeff Law <law@redhat.com>
8732 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8733 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8735 2006-03-28 Roger Sayle <roger@eyesopen.com>
8737 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8738 the equivalent ~X & Y, and the symmetry related transformations.
8739 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8740 ~X & Y, and symmetry related transforms.
8742 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8744 Revert my 2006-03-27 patches.
8746 2006-03-28 Roger Sayle <roger@eyesopen.com>
8748 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8749 ~(T1)X, when T1 and T2 are integer types of the same precision
8750 and (T2)X isn't an extension.
8752 2006-03-28 Jeff Law <law@redhat.com>
8754 PR tree-optimization/26796
8755 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8756 need EH edge cleanups rather than purging them immediately.
8757 (eliminate_degenerate_phis): Handle queued EH cleanups.
8759 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8761 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8764 2006-03-27 Roger Sayle <roger@eyesopen.com>
8767 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8768 cast BIT_NOT_EXPR operand to the correct type.
8770 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8772 * tree-loop-linear.c: Don't include varray.h.
8773 (gather_interchange_stats, try_interchange_loops,
8774 linear_transform_loops): Use VEC instead of VARRAY.
8775 * lambda-mat.c: Don't include varray.h.
8776 * tree-chrec.c: Same.
8777 * lambda-trans.c: Same.
8778 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8779 VEC instead of VARRAY.
8780 * tree-vectorizer.h: Idem.
8781 * tree-data-ref.c (dump_data_references,
8782 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8783 initialize_data_dependence_relation, finalize_ddr_dependent,
8784 compute_all_dependences, find_data_references_in_loop,
8785 compute_data_dependences_for_loop, analyze_all_data_dependences,
8786 free_dependence_relation, free_dependence_relations,
8787 free_data_refs): Idem.
8788 * tree-data-ref.h (data_reference_p, subscript_p): New.
8789 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8790 VEC instead of VARRAY.
8791 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8792 (find_data_references_in_loop, compute_data_dependences_for_loop,
8793 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8794 dump_data_dependence_relations, free_dependence_relations,
8795 free_data_refs): Adjust declaration.
8796 (lambda_transform_legal_p): Move declaration here...
8797 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8798 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8799 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8800 vect_analyze_data_refs): Use VEC instead of VARRAY.
8801 * lambda.h (lambda_transform_legal_p): ...from here.
8802 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8803 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8804 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8805 tree-chrec.o): Don't depend on VARRAY_H.
8807 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8809 * rtl.def (Copyright): Update date.
8810 (DEPS_LIST): Change type of the second operand to 'int'.
8811 * target.h (Copyright): Update date.
8812 (struct gcc_target.speculate_insn): Change type of the second parameter
8814 * lists.c (Copyright): Update date.
8815 (alloc_DEPS_LIST): Change signature. Update reference to the second
8816 operand of the DEPS_LIST.
8817 (copy_DEPS_LIST_list): Update reference to the second operand of the
8819 * rtl.h (Copyright): Update date.
8820 (alloc_DEPS_LIST): Update signature.
8821 * sched-int.h (Copyright): Update date.
8822 (ds_t): Change typedef to 'int'.
8823 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8825 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8827 * haifa-sched.c (Copyright): Update date.
8828 (try_ready): Change condition to restore non-speculative pattern
8830 (process_insn_depend_be_in_spec): Code to keep probability of the
8831 speculative dependence non-decreasing.
8833 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8835 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8836 shut up the compiler.
8838 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8840 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8841 to use lib prefix for target.
8842 ($(T)libic_invalidate_array_4-200.a): Likewise.
8843 ($(T)libic_invalidate_array_4a.a): Likewise.
8845 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8846 J"orn Rennecke <joern.rennecke@st.com>
8848 * superh.opt: New file.
8849 * sh.c (boardtype, osruntime): Remove.
8850 * superh.h (SUBTARGET_OPTIONS): Remove.
8851 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8853 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8854 arguments with ^ and/or [].
8856 * config.gcc (sh-*-*): Add quoting to account for quirk of
8858 Replace == with = in enable_incomplete_targets test.
8860 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8861 with MASK_LITTLE_ENDIAN.
8863 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8864 * config/sh/sh.opt: Added to some comments.
8865 * config/sh/superh.h: Removed some chaff.
8867 * config/sh/sh.opt: Add m4-[1234]00* options.
8868 * config/sh/sh.c (sh_handle_option): Likewise.
8869 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8870 (ic_invalidate_array_4-100.o): New rule.
8871 ($(T)libic_invalidate_array_4-100.a): Likewise.
8872 (ic_invalidate_array_4-200.o): Likewise.
8873 ($(T)libic_invalidate_array_4-200.a): Likewise.
8874 (ic_invalidate_array_4a.o): Likewise.
8875 ($(T)libic_invalidate_array_4a.a): Likewise.
8876 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8877 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8879 * config/sh/crt1.asm: Merged in profiling code.
8880 * config/sh/superh.h (STARTFILE_SPEC): Override.
8881 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8882 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8883 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8885 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8886 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8887 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8889 * sh.opt (mpretend-cmove): New option.
8890 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8891 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8892 (movsicc): Add TARGET_PRETEND_CMOVE code.
8894 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8896 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8897 s390_class_max_nregs): New function prototypes.
8898 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8899 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8900 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8901 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8903 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8905 * dwarf2out.c (add_location_or_const_value_attribute): Call
8906 tree_add_const_value_attribute if nothing else works.
8907 (reference_to_unused): New.
8908 (rtl_for_decl_init): Use reference_to_unused to decide whether
8909 to output an initializer.
8911 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8914 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8915 peephole removing spe frob_di_df_2.
8917 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8919 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8920 (subscript_dependence_tester_1): Declared.
8921 (print_dir_vectors, print_dist_vectors): New.
8922 (debug_data_dependence_relation): New.
8923 (dump_data_dependence_relation): Print more details.
8924 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8925 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8926 (save_dist_v, save_dir_v, add_outer_distances,
8927 build_classic_dist_vector_1): New.
8928 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8929 Don't test for lambda_vector_lexico_pos.
8930 (same_access_functions, add_multivariate_self_dist,
8931 add_other_self_distances, dir_from_dist): New.
8932 (build_classic_dir_vector): Replace implementation almost identical to
8933 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8935 (subscript_dependence_tester_1): New.
8936 (subscript_dependence_tester): Handle the lexicographically negative
8937 distance vectors by recomputing the dependence relation.
8938 (compute_affine_dependence): Remove parameter loop_nest_depth.
8939 (compute_self_dependence): Don't call compute_subscript_distance.
8940 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8941 Add a parameter for the loop_nest.
8942 (find_loop_nest_1, find_loop_nest): New.
8943 (compute_data_dependences_for_loop): Compute the loop nest, and give
8944 up if the nest is not well formed.
8945 * tree-data-ref.h (loop_p): New.
8946 (struct data_dependence_relation): Replace size_vect field with
8947 loop_nest, a vec of loops.
8948 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8949 (DDR_LOOP_NEST): New.
8950 (print_dir_vectors, print_dist_vectors,
8951 debug_data_dependence_relation): Declared.
8952 (index_in_loop_nest): New.
8953 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8954 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8957 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8959 * simplify-rtx.c (simplify_relational_operation): Call
8960 simplify_relational_operation_1 even if mode is VOIDmode.
8962 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8964 PR tree-optimization/26804
8965 * tree.h (DECL_CALL_CLOBBERED): New macro.
8966 (tree_decl_common): Add call_clobbered_flag.
8967 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8968 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8969 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8970 (mark_non_addressable): Ditto.
8971 * tree-ssa.c (verify_call_clobbered): New function.
8972 (verify_alias_info): Use it.
8973 * tree-pass.h (pass_reset_cc_flags): New prototype.
8974 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8975 (reset_cc_flags): New function.
8976 * passes.c (init_optimization_passes): Call reset_cc_flags after
8977 initializing referenced_vars.
8979 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8980 Roger Sayle <roger@eyesopen.com>
8983 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8984 to 1.0 for non-real operands. Implement A / A optimization for
8987 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8989 * config/i386/i386.c (size_cost): Correct the comment for
8990 cost of storing fp registers.
8991 (i386_cost): Likewise.
8992 (i486_cost): Likewise.
8993 (pentium_cost): Likewise.
8994 (pentiumpro_cost): Likewise.
8995 (k6_cost): Likewise.
8996 (athlon_cost): Likewise.
8997 (k8_cost): Likewise.
8998 (pentium4_cost): Likewise.
8999 (nocona_cost): Likewise.
9000 (generic64_cost): Likewise.
9001 (generic32_cost): Likewise.
9003 2006-03-24 Denis Chertykov <denisc@overta.ru>
9005 * config/avr/avr-protos.h (extra_constraint): Delete.
9006 (extra_constraint_Q): New declaration.
9007 * config/avr/constraints.md: New file.
9008 * config/avr/avr.md: Include it.
9009 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9010 (TMP_REGNO, ZERO_REGNO): Likewise.
9011 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9012 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9013 (extra_constraint): Delete.
9014 (extra_constraint_Q): Test for memory constraint 'Q'.
9015 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9016 (REG_CLASS_FROM_LETTER): Delete.
9017 (CONST_OK_FOR_LETTER_P): Delete.
9018 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9019 (EXTRA_CONSTRAINT): Delete.
9020 (TMP_REGNO): Delete.
9021 (ZERO_REGNO): Delete.
9023 2006-03-24 Jeff Law <law@redhat.com>
9025 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9026 directly. Call mark_new_vars_to_rename slightly earlier.
9028 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9030 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9032 (gen_compile_unit_die): Use new language types for Objective-C and
9034 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9035 DW_LANG_C_plus_plus.
9038 * config/t-darwin (crt3.o): Work around bug 26840.
9039 * config/darwin-crt3.c: Rewrite.
9040 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9042 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9044 * doc/invoke.texi: Document -femit-class-debug-always
9045 * common.opt: Add -femit-class-debug-always.
9047 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9049 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9050 index and base register.
9051 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9052 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9053 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9054 REGNO_OK_FOR_INDEX_P.
9055 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9057 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9058 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9059 REG_OK_FOR_BASE_P): Definitions removed.
9061 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9064 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9065 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9066 set yet or weren't marked as local yet.
9068 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9070 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9073 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9075 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9076 (rs6000_legitimate_small_data_p): Delete.
9077 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9078 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9079 and make static. Add forward declaration. Update uses.
9080 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9081 of offsettable_memref_p.
9082 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9083 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9085 2006-03-24 Jeff Law <law@redhat.com>
9087 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9088 around bug in immediate-use iterator.
9090 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9093 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9094 or __LITTLE_ENDIAN__.
9096 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9098 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9099 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9100 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9101 * config/sh/sh.opt (mdiv=): Amend description.
9102 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9103 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9104 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9105 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9106 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9107 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9108 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9109 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9110 TARGET_DIVIDE_CALL_FP.
9112 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9114 * haifa-sched.c (choose_ready): Fix type of the local variable.
9115 Move local variables. Add comment.
9116 (check_reg_live): Change signature. Make callable from debugger.
9117 * sched-int.h (check_reg_live): Update signature.
9118 * sched-ebb.c (check_reg_live): Update parameters.
9119 * sched-rgn.c (check_reg_live): Ditto.
9120 (region_head_or_leaf_p): Check pointer before dereferencing.
9121 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9122 before reload on optimization levels below 1.
9124 2006-03-23 Richard Henderson <rth@redhat.com>
9126 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9130 * config/alpha/predicates.md (local_symbolic_operand): Reject
9133 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9136 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9137 expressions which have overflowed constants.
9139 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9141 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9143 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9145 * cfgloopmanip.c (create_loop_notes): Removed.
9146 * final.c (final_scan_insn): Do not handle loop notes.
9147 * jump.c (squeeze_notes): Ditto.
9148 * cfglayout.c (skip_insns_after_block,
9149 duplicate_insn_chain): Ditto.
9150 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9152 * cfgloop.h (create_loop_notes): Declaration removed.
9154 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9156 * varasm.c (output_constant_pool): Restore fnname and fndecl
9158 (assemble_start_function): Adjust call accordingly.
9159 (assemble_end_function): Likewise.
9161 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9164 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9167 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9169 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9172 * system.h (ICE_EXIT_CODE): New macro.
9173 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9174 (diagnostic_action_after_output): Likewise.
9175 * gcc.c (fatal_ice): New function.
9176 (execute): Use it instead of fatal.
9177 (fancy_abort): Likewise.
9178 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9180 2006-03-22 Jeff Law <law@redhat.com>
9182 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9183 iv_analyze_result returning false.
9185 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9187 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9189 2006-03-22 Richard Henderson <rth@redhat.com>
9192 * except.c (duplicate_eh_regions_0): New.
9193 (duplicate_eh_region_1): Duplicate the children of the node as
9194 well as the node itself. Link them up properly.
9195 (duplicate_eh_region_2): Merge into ...
9196 (duplicate_eh_regions): ... here. Take copy_region argument, and
9197 copy only a sub-tree if asked. Simplify copying and fixup.
9198 (eh_region_outer_p): New.
9199 * except.h (duplicate_eh_regions): Update decl.
9200 (eh_region_outer_p): Declare.
9201 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9202 (lower_omp_master): Likewise.
9203 (lower_omp_ordered): Likewise.
9204 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9205 (move_stmt_r): Use it to remap labels. Handle recursion vs
9206 remap_decls_p properly.
9207 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9208 (find_outermost_region_in_block): New.
9209 (new_label_mapper): New.
9210 (move_sese_region_to_fn): Copy eh information to the new function
9212 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9214 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9217 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9219 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9220 into shared libraries.
9222 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9224 * doc/md.texi: Refer to i386/constraints.md instead of
9226 * config/i386/constraints.md: New file, extracted from...
9227 * config/i386/predicates.md: ...here.
9228 * config/i386/i386.md: Include constraints.md.
9230 2006-03-21 Jason Merrill <jason@redhat.com>
9232 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9235 * expr.c (init_block_move_fn): Force default visibility.
9236 (init_block_clear_fn): Likewise.
9237 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9238 * targhooks.c (default_external_stack_protect_fail): Likewise.
9240 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9242 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9243 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9244 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9245 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9246 (loadgp): Use mips_current_loadgp_style.
9247 (loadgp_noshared): New pattern.
9248 (sibcall_internal): Use MIPS_CALL.
9249 (sibcall_value_internal): Likewise.
9250 (sibcall_value_multiple_internal): Likewise.
9251 (call_internal): Likewise.
9252 (call_value_internal): Likewise.
9253 (call_value_multiple_internal): Likewise.
9254 (call_split): Use MIPS_CALL and add an 'S' constraint.
9255 (call_value_split): Likewise.
9256 (call_value_multiple_split): Likewise.
9257 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9258 (-mshared): New option.
9259 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9260 (mips_current_loadgp_style): Declare.
9261 * config/mips/mips.c (mips_classify_symbol): Avoid using
9262 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9263 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9264 TARGET_ABSOLUTE_ABICALLS.
9265 (override_options): Adjust comments. Improve the warning that is
9266 issued when -mabicalls and -G are used together.
9267 (mips_file_start): Remove comment.
9268 (mips_current_loadgp_style): New function.
9269 (mips_gnu_local_gp): New variable.
9270 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9272 (mips_output_function_prologue): Use mips_current_laodgp_style.
9273 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9274 the cprestore instruction.
9275 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9276 live for TARGET_ABSOLUTE_ABICALLS.
9277 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9278 (ASM_SPEC): Pass down -mshared and -mno-shared.
9279 (MIPS_CALL): New macro.
9280 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9282 * doc/invoke.texi (-mabicalls): Update documentation.
9283 (-mshared): Document.
9285 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9287 * config/ia64/unwind-hpux.c: New file.
9288 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9290 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9293 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9295 2006-03-21 Jeff Law <law@redhat.com>
9297 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9298 type conversions of a VR_VARYING source to a wider type.
9300 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9302 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9303 tm_file on Solaris 10 and later.
9304 (sparc64-*-solaris2*): Likewise.
9305 (sparc-*-solaris2*): Likewise.
9306 * config/sol26.h: Rename to config/sol2-6.h.
9307 * config/sol2-10.h: New file.
9309 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9312 * tree-ssa-pre.c (create_component_ref_by_pieces):
9315 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9318 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9319 return it immediately.
9321 2006-03-21 Michael Matz <matz@suse.de>
9323 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9325 (remove_arc, add_arc): Update num_out_arcs member.
9326 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9328 (cache_presence): New function.
9329 (compare_states_for_equiv): New function.
9330 (state_is_differed): Don't take number of outargs, adjust callers.
9331 Use new invariant for speeding up.
9332 (init_equiv_class): Create initial classes based on sorted
9334 (partition_equiv_class): Don't track out_arcs_num.
9335 (evaluate_equiv_classes): Call cache_presence on all states and
9338 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9340 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9341 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9342 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9343 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9345 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9346 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9347 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9348 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9349 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9351 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9352 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9353 (REGNO_REG_CLASS): ARGP is in PREGS.
9354 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9356 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9357 to deal with those addresses.
9358 * addresses.h: New file.
9359 * caller-save.c: Include "addresses.h".
9360 (init_caller_save): Use new base_reg_class function.
9361 * rtl-factoring.c: Include "addresses.h".
9362 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9363 * recog.c: Include "addresses.h".
9364 (preprocess_constraints): Use new base_reg_class function.
9365 * regrename.c: Include "addresses.h".
9366 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9367 functions. Keep track of a new var INDEX_CODE to compute valid
9369 (replace_oldest_value_addr): Likewise.
9370 (replace_oldest_value_mem): Use base_reg_class.
9371 * reload.c: Include "addresses.h".
9372 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9373 (find_reloads): Use new base_reg_class function.
9374 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9375 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9376 all callers and prototype changed.
9377 * reload1.c: Include "addresses.h".
9378 (maybe_fix_stack_asms): Use base_reg_class.
9379 * regclass.c: Include "addresses.h".
9380 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9381 (init_reg_autoinc): Use new base_reg_class function.
9382 (record_reg_classes): Likewise.
9383 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9384 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9385 Use new args to compute necessary class.
9387 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9388 regrename.o, rtl-factoring.o): Update dependencies.
9389 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9390 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9391 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9392 REG_OK_FOR_INDEX_P): Delete documentation.
9394 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9396 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9397 from V7 to V9 for Solaris 7 and above.
9399 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9401 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9402 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9403 argument pointers may not alias any other storage.
9404 * common.opt: Define option -fargument-noalias-anything.
9405 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9406 alias semantics is specified by flag_argument_noalias > 2.
9408 2006-03-20 Jeff Law <law@redhat.com>
9410 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9411 (pass_phi_only_cprop): Declare.
9412 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9414 * tree-ssa-dom.c (degenerate_phi_result): New function.
9415 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9416 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9417 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9418 (eliminate_degenerate_phis): Likewise.
9419 (pass_phi_only_cprop): New pass descriptor.
9420 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9421 support code. Callers updated.
9422 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9423 (store_copy_prop): Likewise.
9424 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9426 2006-03-20 Jason Merrill <jason@redhat.com>
9429 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9430 (push_visibility, pop_visibility): Likewise.
9431 * c-pragma.h: Declare them.
9433 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9435 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9437 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9438 parameter and use get_ebb_head_tail.
9439 (sh_md_init_global): Adjust uses of find_regmode_weight.
9441 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9443 * function.h (struct function) <x_tail_recursion_reentry>:
9444 Rename to x_stack_check_probe_note.
9445 (tail_recursion_reentry): Rename to stack_check_probe_note.
9446 * function.c: Replace tail_recursion_reentry with
9447 stack_check_probe_note everywhere.
9448 (expand_function_start): Only emit a note for
9449 stack_check_probe_note with -fstack-protect.
9450 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9452 * emit-rtl.c (remove_unnecessary_notes): Remove.
9453 (pass_remove_unnecessary_notes): Remove.
9454 * rtl.h (remove_unnecessary_notes): Remove prototype.
9455 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9456 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9457 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9459 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9462 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9463 (valid_in_set): Handle ARRAY_REF.
9464 Change "if min_variant or VH" to asserts.
9465 (create_component_ref_by_pieces): Handle ARRAY_REF.
9466 (create_expression_by_pieces): Likewise.
9467 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9469 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9471 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9472 is operand of switch, not str[0].
9474 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9476 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9477 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9479 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9481 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9482 end of insn_extra_address_constraint declaration.
9484 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9486 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9487 (no-sum-in-toc): Same.
9488 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9490 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9491 NO_FP_IN_TOC for -fPIC instead of mask.
9493 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9494 (BOOT_LDFLAGS): Delete.
9496 * config/rs6000/t-aix52: Same.
9498 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9499 (stmsi[345678]_power): New.
9501 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9503 * config/ia64/ia64.opt: Add empty line to end of file.
9505 2006-03-17 Richard Guenther <rguenther@suse.de>
9508 * builtins.c (get_pointer_alignment): For component style references
9509 adjust alignment to the component type alignment. Make sure
9510 to adjust alignment for component access of constants.
9512 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9514 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9517 2006-03-17 Paul Brook <paul@codesourcery.com>
9519 * doc/install.texi: Docuemnt --with-mode.
9520 * config.gcc: Add --with-mode for arm*-*-*.
9521 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9523 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9525 * sh.c (max_labelno_before_reorg): New variable.
9526 (sh_reorg): Initialize it.
9527 (find_barrier): Check max_labelno_before_reorg before using
9528 label_to_alignment. Take length of explicit alignment insns
9529 into account. When seeing a UNSPECV_CONST_END, return it.
9531 * sh.c (fixup_mova): Set mode of affected label to QImode.
9532 (untangle_mova): New function.
9533 (find_barrier): Use it. Check mode of label before decrementing
9535 (sh_reorg): Likewise.
9536 Set mode of all insns back to VOIDmode.
9538 * sh.c (MOVA_LABELREF): New macro.
9539 (mova_p, fixup_mova, sh_reorg): Use it.
9540 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9541 ADDR_DIFF_VEC matches mova.
9543 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9545 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9546 with ATTRIBUTE_UNUSED.
9548 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9550 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9551 pointer, instead of assuming it is possible to derive the
9552 correct args size from a call insn.
9554 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9556 * rtl.h (CONST_INT_P): Define.
9557 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9558 instead of GET_CODE(x) == CONST_INT.
9559 (vax_rtx_costs): Likewise.
9560 (vax_output_int_move): Likewise.
9561 (vax_output_int_add): Likewise.
9562 (legitimate_constant_address_p): Likewise.
9563 (index_term_p): Likewise.
9564 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9565 * config/vax/vax.md (and<mode>3): Likewise.
9566 (ashrsi3): Likewise.
9568 (movstricthi): Likewise.
9569 (movstrictqi): Likewise.
9570 (rotrsi3): Likewise.
9571 (five unnamed insns): Likewise.
9573 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9575 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9576 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9577 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9578 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9579 Pass to ASM_OUTPUT_DWARF_OFFSET.
9580 * dwarf2out.c (debug_frame_section): New.
9581 (output_call_frame_info): Use debug_frame_section. Pass it to
9582 dw2_asm_output_offset.
9583 (output_die): Pass appropriate section to dw2_asm_output_offset.
9584 (output_compilation_unit_header): Likewise.
9585 (output_pubnames): Likewise.
9586 (output_aranges): Likewise.
9587 (enum dw_val_class): Break dw_val_class_lbl_offset into
9588 dw_val_class_lineptr and dw_val_class_macptr.
9589 (add_AT_lbl_offset): Delete.
9590 (add_AT_lineptr): New.
9591 (add_AT_macptr): New.
9592 (AT_lbl): Expect a lineptr or macptr.
9593 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9594 (attr_checksum): Likewise.
9595 (same_dw_val_p): Likewise.
9596 (size_of_die): Likewise.
9597 (value_format): Likewise.
9598 (output_die): Likewise.
9599 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9601 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9602 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9603 * config/darwin-protos.h (darwin_file_start): New.
9604 (darwin_asm_output_dwarf_offset): New.
9605 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9606 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9608 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9609 if not EH section; simplify.
9610 (darwin_file_start): New.
9611 (darwin_asm_output_dwarf_offset): New.
9612 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9614 (DEBUG_INFO_SECTION): Likewise.
9615 (DEBUG_ABBREV_SECTION): Likewise.
9616 (DEBUG_ARANGES_SECTION): Likewise.
9617 (DEBUG_MACINFO_SECTION): Likewise.
9618 (DEBUG_LINE_SECTION): Likewise.
9619 (DEBUG_LOC_SECTION): Likewise.
9620 (DEBUG_PUBNAMES_SECTION): Likewise.
9621 (DEBUG_STR_SECTION): Likewise.
9622 (DEBUG_RANGES_SECTION): Likewise.
9623 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9624 (ASM_OUTPUT_DWARF_OFFSET): New.
9626 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9628 * config.gcc (tm_defines): Always add to previous value rather
9631 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9633 * config/mips/predicates.md (splittable_const_int_operand): New,
9634 split from move_operand.
9635 (splittable_symbolic_operand): New.
9636 (move_operand): Add commentary. Use splittable_const_int_operand.
9637 Inline mips_atomic_symbolic_constant_p.
9638 * config/mips/mips.md: Add combine splitters for handling moves
9639 of splittable_const_int_operands and splittable_symbolic_operands.
9640 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9641 (mips_split_symbol): Declare.
9642 (mips_move_integer): Declare.
9643 * config/mips/mips.c (mips_split_p): Make global.
9644 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9645 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9646 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9647 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9648 (mips_offset_within_object_p): Handle block symbols.
9649 (mips_atomic_symbolic_constant_p): Delete.
9650 (mips_cannot_force_const_mem): Return false for constants that
9651 mips_legitimize_move can handle.
9652 (mips_use_blocks_for_constant_p): New function.
9653 (mips_split_symbol): Make global.
9654 (mips_move_integer): Likewise. Add a temporary register argument.
9655 (mips_legitimize_const_move): Use splittable_const_int_operand and
9656 splittable_symbolic_operand.
9657 (mips_use_anchors_for_symbol_p): New function.
9658 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9659 (mips_split_p): Declare.
9661 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9663 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9664 (mips*-*-linux*): Likewise.
9666 2006-03-16 Roger Sayle <roger@eyesopen.com>
9667 Daniel Speyer <dspeyer@wam.umd.edu>
9670 * tree-dump.c (dump_real): New function.
9671 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9672 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9673 (tree-dump.o): Add $(REAL_H) to the dependencies.
9675 2006-03-16 Roger Sayle <roger@eyesopen.com>
9678 * real.c (real_from_string): If the mantissa is zero, don't bother
9679 parsing the exponent as the result should always be zero.
9681 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9683 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9685 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9687 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9688 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9689 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9690 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9691 ia64_sched_finish_global): New static functions to implement
9692 hooks from gcc_target.sched.
9693 (spec_check_no, max_uid, pending_data_specs): New static variables.
9694 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9695 ia64_spec_check_src_p): New static functions.
9696 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9697 (TARGET_SCHED_ADJUST_COST): Removed.
9698 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9699 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9700 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9701 TARGET_SCHED_GEN_CHECK,
9702 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9703 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9704 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9705 Fixed to handle speculation checks.
9706 (rtx_needs_barrier): Fixed to handle speculative loads and
9708 (ia64_variable_issue): Added code to count speculative loads and their
9710 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9712 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9714 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9716 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9717 (ia64_reorg): Reset stops_p to NULL after it is freed.
9718 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9719 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9720 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9722 (data_speculative, control_speculative, check_load): New attributes.
9723 (mov<mode>_advanced, mov<mode>_speculative,
9724 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9725 zero_extend<mode>di2_speculative,
9726 zero_extend<mode>di2_speculative_advanced): New patterns for
9727 data and control speculative loads.
9728 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9730 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9731 New pattern for data and control speculation checks.
9732 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9733 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9734 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9735 Auxiliary definitions for the patterns.
9736 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9737 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9739 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9741 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9742 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9743 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9744 New resource constraints.
9745 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9747 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9748 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9749 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9750 msched-in-control-spec, msched-ldc, msched-control-ldc,
9751 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9752 msched-prefer-non-control-spec-insns,
9753 msched-count-spec-in-critical-path): New flags to tune speculative
9755 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9756 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9757 msched-in-control-spec, msched-ldc, msched-control-ldc,
9758 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9759 msched-prefer-non-control-spec-insns,
9760 msched-count-spec-in-critical-path): Document new flags.
9762 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9764 * target.h (struct spec_info_def): New opaque declaration.
9765 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9766 speculate_insn, needs_block_p, gen_check,
9767 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9768 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9769 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9770 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9771 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9772 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9774 (TARGET_SCHED): Use new macros.
9775 * rtl.h (copy_DEPS_LIST_list): New prototype.
9776 * sched-int.h (struct sched_info): Change signature of new_ready field,
9777 adjust all initializations. New fields: add_remove_insn,
9778 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9779 region_head_or_leaf_p.
9780 (struct spec_info_def): New structure declaration.
9781 (spec_info_t): New typedef.
9782 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9783 recovery_block, orig_pat.
9784 (glat_start, glat_end): New variables declaraions.
9785 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9787 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9788 DETACH_LIFE_INFO, USE_GLAT.
9789 (enum SPEC_SCHED_FLAGS): New enumeration.
9790 (NOTE_NOTE_BB_P): New macro.
9791 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9792 attach_life_info, debug_spec_status, check_reg_live): New functions.
9793 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9794 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9796 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9797 * ddg.c (get_block_head_tail): Adjust all uses.
9798 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9799 (sms_sched_info): Initialize new fields.
9800 (contributes_to_priority): Removed.
9801 * haifa-sched.c (params.h): New include.
9802 (get_block_head_tail): Adjust all uses.
9803 (ISSUE_POINTS): New macro.
9804 (glat_start, glat_end): New global variables.
9805 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9806 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9807 old_last_basic_block, before_recovery, current_sched_info_var,
9808 rgn_n_insns, luid): New static variables.
9809 (insn_cost1): New function. Move logic from insn_cost to here.
9810 (find_insn_reg_weight1): New function. Move logic from
9811 find_insn_reg_weight to here.
9812 (reemit_notes, move_insn, max_issue): Change signature.
9813 (move_insn1): Removed.
9814 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9815 extend_bb): New static functions to support extension of scheduler's
9817 (generate_recovery_code, process_insn_depend_be_in_spec,
9818 begin_speculative_block, add_to_speculative_block,
9819 init_before_recovery, create_recovery_block, create_check_block_twin,
9820 fix_recovery_deps): New static functions to support
9821 generation of recovery code.
9822 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9823 restore_bb_notes, move_block_after_check, move_succs): New static
9824 functions to support ebb scheduling.
9825 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9826 functions to support handling of register live information.
9827 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9828 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9829 add_jump_dependencies): New static functions.
9830 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9831 consistancy checking.
9832 (debug_spec_status): New function to call from debugger.
9833 (priority): Added code to handle speculation checks.
9834 (rank_for_schedule): Added code to distinguish speculative instructions.
9835 (schedule_insn): Added code to handle speculation checks.
9836 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9837 Fixed to handle ebbs.
9838 (move_insn): Added code to handle ebb scheduling.
9839 (max_issue): Added code to use ISSUE_POINTS of instructions.
9840 (choose_ready): Added code to choose between speculative and
9841 non-speculative instructions.
9842 (schedule_block): Added code to handle ebb scheduling and scheduling of
9843 speculative instructions.
9844 (sched_init): Initialize new variables.
9845 (sched_finish): Free new variables. Print statistics.
9846 (try_ready): Added code to handle speculative instructions.
9847 * lists.c (copy_DEPS_LIST_list): New function.
9848 * sched-deps.c (extend_dependency_caches): New function. Move logic
9849 from create_dependency_caches to here.
9850 (get_dep_weak, ds_merge): Make global.
9851 * genattr.c (main): Code to output prototype for
9852 dfa_clear_single_insn_cache.
9853 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9854 (output_dfa_clean_insn_cache_func): Code to output
9855 dfa_clear_single_insn_cache function.
9856 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9858 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9860 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9861 New static variables.
9862 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9863 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9865 (ebb_sched_info): Initialize new fields.
9866 (get_block_head_tail): Adjust all uses.
9867 (compute_jump_reg_dependencies): Fixed to use glat_start.
9868 (schedule_ebb): Code to remove unreachable last block.
9869 (schedule_ebbs): Added code to update register live information.
9870 * sched-rgn.c (region_sched_info): Initialize new fields.
9871 (get_block_head_tail): Adjust all uses.
9872 (last_was_jump): Removed. Adjust users.
9873 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9874 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9875 Implement new hooks.
9876 (check_dead_notes1): New static function.
9877 (struct region): New fields: dont_calc_deps, has_real_ebb.
9878 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9879 (BB_TO_BLOCK): Fixed to handle EBBs.
9880 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9881 (ebb_head): New static variable.
9882 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9883 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9885 (compute_dom_prob_ps): New assertion.
9886 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9887 global_live_at_start.
9888 (init_ready_list): New assertions.
9889 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9890 (new_ready): Add support for BEGIN_CONTROL speculation.
9891 (schedule_insns): Fixed code that updates register live information
9893 (schedule_region): Fixed to handle EBBs.
9894 (init_regions): Use extend_regions and check_dead_notes1.
9895 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9896 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9897 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9898 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9899 TARGET_SCHED_GEN_CHECK,
9900 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9901 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9902 * doc/invoke.texi (max-sched-insn-conflict-delay,
9903 sched-spec-prob-cutoff): Document.
9905 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9907 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9908 inter_tick, queue_index.
9909 (struct sched_info): Change signature of init_ready_list field.
9910 Adjust all initializations.
9911 (RESOLVED_DEPS): New access macro.
9912 (ready_add): Remove prototype.
9913 (try_ready): Add prototype.
9914 * sched-rgn.c (init_ready_list): Use try_ready.
9915 (schedule_region): Initialize
9916 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9917 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9918 (init_ready_list): Use try_ready.
9919 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9920 * lists.c (remove_list_elem): Remove `static'.
9921 (remove_free_INSN_LIST_elem): New function.
9922 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9923 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9924 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9926 (readyp): New variable.
9927 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9928 change_queue_index, resolve_dep): New static functions.
9929 (try_ready): New function. Adjust callers in sched-rgn.c and
9930 sched-ebb.c to use it instead of ready_add.
9931 (clock_var): Move at the begining of file.
9932 (rank_for_schedule): Fix typo.
9933 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9934 (ready_lastpos): Enforce assertion.
9935 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9937 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9938 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9939 (queue_to_ready): Use free_INSN_LIST_list.
9940 (early_queue_to_ready): Fix typo.
9941 (schedule_block): Init readyp. Move init_ready_list call after the
9942 initialization of clock_var. Fix error in rejecting insn by
9943 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9944 that previously corrected INSN_TICKs. Add code for handling
9946 (set_priorities): Fix typo.
9947 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9948 Clarify comment and code that keeps current_sched_info->next_tail
9951 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9953 * sched-rgn.c (extend_rgns): New static function.
9954 (find_rgns): Use it.
9955 (gather_region_statistics, print_region_statistics): New static
9957 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9958 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9960 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9961 Andrey Belevantsev <abel@ispras.ru>
9963 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9964 * lists.c (unused_deps_list): New variable.
9965 (free_list): Add assertions to verify the proper distinguishing
9966 between INSN_LISTs and DEPS_LISTs.
9967 (find_list_elem, remove_list_elem, remove_list_node): New static
9969 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9970 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9971 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9972 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9974 (free_INSN_LIST_node): Likewise.
9975 * modulo-sched.c (current_sched_info): Initialize flags field.
9976 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9977 * rtl.def (DEPS_LIST): Define.
9978 * rtl.h: Declare new functions from lists.c.
9979 * sched-deps.c (spec_dependency_cache): New static variable.
9980 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9981 (add_dependence): Change return type to void. Move the logic to ...
9982 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9983 (delete_all_dependences): Add comment about forward_dependency_cache.
9984 Handle spec_dependency_cache. Handle DEPS_LISTs.
9985 (fixup_sched_groups): Clarify the change of priority of output
9986 and anti dependencies.
9987 (sched_analyze_2): Adjust add_dependence calls to create data
9988 speculative dependence.
9989 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9990 Adjust all callers. Handle DEPS_LISTS.
9991 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9992 presence of speculation.
9993 (init_dependency_caches, free_dependency_caches):
9994 Handle spec_dependency_cache.
9995 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9996 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9997 New static functions.
9998 (add_or_update_back_dep, add_or_update_back_forw_dep,
9999 add_back_forw_dep, delete_back_forw_dep): New functions.
10000 * sched-int.h (ds_t, dw_t): New typedefs.
10001 (struct sched_info): Add new field flags.
10002 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10003 Prototype new sched-deps.c functions.
10004 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10005 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10006 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10007 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10008 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10009 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10011 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10013 * sched-rgn.c (current_sched_info): Initialize flags field.
10014 (schedule_insns): Initialize current_sched_info before the sched_init
10016 * sched-ebb.c (current_sched_info): Initialize flags field.
10017 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10018 Call add_or_update_back_dep instead of add_dependence.
10019 Create control speculative dependencies.
10020 (schedule_insns): Initialize current_sched_info before the sched_init
10023 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10025 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10027 (sh_fallback_frame_state): Likewise.
10029 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10031 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10032 Do switch on default_use_cxa_atexit.
10033 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10034 * config/darwin-crt3.o: New.
10035 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10036 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10037 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10039 * config/rs6000/t-darwin: Move crt2.o building to here.
10040 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10041 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10044 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10046 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10047 from '! xxx' to '!xxx' for coding-style conformance.
10048 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10049 (EXTRA_CONSTRAINT): Likewise.
10050 * config/vax/vax.md (four unnamed insns): Likewise.
10052 2006-03-15 Paul Brook <paul@codesourcery.com>
10054 * config/arm/arm.c (minipool_pad): New.
10055 (add_minipool_forward_ref): Include pool alignment padding in address
10057 (push_minipool_fix): Set minipool_pad.
10058 (minipool_pad): Ditto.
10060 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10062 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10063 instead of GET_CODE() == MEM and REG_P() instead of
10065 (print_operand_address): Likewise.
10066 (vax_address_cost): Likewise.
10067 (vax_rtx_costs): Likewise.
10068 (vax_notice_update_cc): Likewise.
10069 (vax_output_int_add): Likewise.
10070 (INDEX_REGISTER_P): Likewise.
10071 (BASE_REGISTER_P): Likewise.
10072 (nonindexed_address_p): Likewise.
10073 (vax_mode_dependent_address_p): Likewise.
10074 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10075 (PRINT_OPERAND): Likewise.
10076 * config/vax/vax.md (ashlsi3): Likewise.
10077 (ashlsi3): Likewise.
10078 (some more unnamed insns): Likewise.
10080 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10082 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10083 iterator-style macro.
10084 (mark_control_dependent_edges_necessary): Update the use of
10085 EXECUTE_IF_CONTROL_DEPENDENT.
10087 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10089 * config/sh/predicates.md (cache_address_operand): Special.
10090 (ua_address_operand): Likewise.
10092 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10094 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10096 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10098 2006-03-15 Andreas Schwab <schwab@suse.de>
10100 * gensupport.c (identify_predicable_attribute): Don't free p_false
10101 when it is still in use.
10103 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10105 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10106 the default setting here.
10108 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10110 * tree-pass.h (pass_cfg): Remove.
10111 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10112 * passes.c (pass_cfg): Don't run it.
10114 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10116 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10117 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10119 (stack_regs_mentioned): Update the uses of
10120 stack_regs_mentioned_data. Don't access the array beyond its
10122 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10123 Don't include gt-reg-stack.h.
10125 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10126 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10128 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10130 PR middle-end/26684
10131 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10134 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10136 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10138 2006-03-14 Richard Guenther <rguenther@suse.de>
10140 PR tree-optimization/26672
10141 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10144 2006-03-14 Richard Guenther <rguenther@suse.de>
10146 PR tree-optimization/26667
10147 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10148 node for the callees. Always allow inlining if it will shrink
10151 2006-03-14 Richard Guenther <rguenther@suse.de>
10153 PR middle-end/26659
10154 * builtins.c (get_pointer_alignment): Prefer alignment
10155 information from decls over that from types.
10157 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10160 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10162 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10164 * config/rs6000/rs6000.opt (mdlmzb): New option.
10165 (msched-prolog, msched-epilog): Use Var not Mask.
10166 * doc/invoke.texi (-mdlmzb): Document.
10167 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10169 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10170 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10172 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10174 PR rtl-optimization/25739
10175 * bt-load.c (augment_live_range): Free tos pointer.
10177 * gensupport.c (identify_predicable_attribute): Free
10179 * gcov.c (create_file_names): Free name pointer.
10181 2006-03-13 Roger Sayle <roger@eyesopen.com>
10183 PR middle-end/26557
10184 * stmt.c (emit_case_nodes): Handle the case where the index is a
10185 CONST_INT, where the comparison mode is specified by the index type.
10187 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10189 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10192 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10194 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10195 (*branch_fp_inverted): Likewise.
10197 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10199 PR middle-end/25989
10200 * omp-low.c (expand_omp_for_generic): Mark istart0
10201 and iend0 as addressable.
10203 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10205 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10207 2006-03-13 Jeff Law <law@redhat.com>
10209 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10210 virtual operands are interesting.
10211 (vrp_visit_stmt): Corresponding changes.
10213 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10215 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10217 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10218 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10219 * config/bfin/crti.S: Use it instead of __PIC__.
10220 * config/bfin/crtn.S: Likewise.
10222 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10223 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10225 Lose 'G' modifier for call operand.
10226 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10227 recognize 'G' modifier.
10229 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10231 PR middle-end/18859
10232 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10233 * stmt.c (expand_case): Likewise.
10235 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10237 PR rtl-optimization/26254
10238 * loop-invariant.c (seq_insns_valid_p): New function.
10239 (move_invariant_reg): Only emit new code if it is valid.
10241 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10243 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10245 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10246 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10247 (commit_one_edge_insertion): Do not look for loop notes.
10249 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10251 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10252 flag_test_coverage out of loop.
10254 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10256 * final.c (shorten_branches): Remove outdated comment, and turn
10257 the if branch that guards it to continue.
10259 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10261 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10262 * cfgloop.h (struct loop): Remove unused fields.
10264 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10266 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10267 (-dL, -fdump-rtl-loop2): Update the dump file names
10269 * doc/invoke.texi: Update dump file names.
10271 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10273 * predict.c (estimate_probability): Remove.
10274 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10275 * basic-block.h (estimate_probability): Remove prototype.
10276 * passes.c (finish_optimization_passes): Dump branch prediction or
10277 profiling heuristics to the .profile tree dump.
10278 (init_optimization_passes): Unqueue pass_branch_prob.
10280 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10282 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10284 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10285 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10287 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10289 * function.h (frame_offset_overflow): Declare.
10290 * function.c (frame_offset_overflow): New function.
10291 (assign_stack_local_1): Call it to detect that the offset overflows.
10292 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10294 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10296 * config/sh/sh.c: Include alloc-pool.h.
10297 (label_ref_list_pool): New alloc pool.
10298 (label_ref_list_t): New type for lists of labels.
10299 (struct pool_node): Make wend a label_ref_list_t.
10300 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10302 (dump_table): Likewise.
10303 (sh_reorg): Set up the alloc pool before using add_constant and
10304 dump_table, and destroy it when finishing.
10306 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10308 * config/mips/mips.c: Remove redundant comment.
10310 2006-03-10 Jason Merrill <jason@redhat.com>
10313 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10314 the target was declared 'register'.
10316 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10318 * genpreds.c (write_insn_constraint_len): Change definition of
10319 insn_constraint_len to return size_t to match the declaration.
10321 2006-03-10 DJ Delorie <dj@redhat.com>
10323 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10325 (m32c_expand_insv): Fix test for an AND mask.
10327 2006-03-10 Richard Guenther <rguenther@suse.de>
10329 PR middle-end/26565
10330 * builtins.c (get_pointer_alignment): Handle component
10331 references for field alignment.
10333 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10335 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10336 when building with libgloss.
10337 (sh*elf): Implement --without-fp option.
10338 (sh64-superh-linux*): Don't multilib.
10340 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10342 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10344 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10346 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10347 Set it when one of the replacement functions returned true.
10348 Return TODO_cleanup_cfg if cfgchanged is true.
10349 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10351 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10353 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10354 instead of gen_lowpart.
10356 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10358 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10360 (mips_output_order_conditional_branch): Declare.
10361 * config/mips/mips.h (MIPS_BRANCH): New macro.
10362 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10363 for the comparison. Use gen_condjump.
10364 (mips_output_conditional_branch): Rework interface to take the
10365 asm templates for a direct branch and the inverse of a direct branch.
10366 (mips_output_order_conditional_branch): New function.
10367 (mips_builtin_branch_and_move): New function.
10368 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10369 branch condition. Use gen_single_cc as the condition for
10370 __builtin_mips_upper_* or __builtin_mips_lower_*.
10371 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10372 Use VOIDmode for the branch condition.
10373 * config/mips/predicates.md (order_operator): New predicate.
10374 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10375 (branch_fp): Rename to...
10376 (*branch_fp): ...this. Remove mode from comparison operator.
10377 Use new mips_output_conditional_branch interface.
10378 (branch_fp_inverted): Rename to...
10379 (*branch_fp_inverted): ...this and update as for *branch_fp.
10380 (*branch_zero<mode>): Rename to...
10381 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10382 Use mips_output_order_conditional_branch. Only accept ordered
10384 (*branch_zero<mode>_inverted): Rename to...
10385 (*branch_order<mode>_inverted): ...this and update as for
10386 *branch_order<mode>.
10387 (*branch_equality<mode>): Accept zero as the second operand to
10388 the equality operator. Use the new mips_output_conditional_branch
10390 (*branch_equality<mode>_inverted): Likewise.
10391 (condjump): New expander.
10392 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10394 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10395 (bc1any2t, bc1any2f): Likewise.
10396 (single_cc): New expander.
10397 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10399 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10401 * doc/md.texi: Update documentation of MIPS constraints.
10402 * config/mips/constraints.md: New file.
10403 * config/mips/mips.md: Include it.
10404 * config/mips/mips.c (mips_char_to_class): Delete.
10405 (override_options): Don't initialize mips_char_to_class.
10406 * config/mips/mips.h (mips_char_to_class): Delete.
10407 (REG_CLASS_FROM_LETTER): Delete.
10408 (CONST_OK_FOR_LETTER_P): Delete.
10409 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10410 (EXTRA_CONSTRAINT_Y): Delete.
10411 (EXTRA_CONSTRAINT_STR): Delete.
10412 (CONSTRAINT_LEN): Delete.
10413 (EXTRA_MEMORY_CONSTRAINT): Delete.
10415 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10417 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10418 original fn's eh regions.
10420 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10422 * fold-const.c (build_range_check): Make sure to use a valid type to
10423 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10426 (range_predecessor): New static function.
10427 (range_successor): Likewise.
10428 (merge_ranges): Use them to compute predecessors and successors of
10431 2006-03-09 Roger Sayle <roger@eyesopen.com>
10433 PR middle-end/26561
10434 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10435 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10437 2006-03-08 DJ Delorie <dj@redhat.com>
10439 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10440 (addpsi3): Expand to include memory operands. Remove
10441 reload-specific splits.
10442 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10443 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10444 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10445 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10446 (shift1_qi, shift1_hi, insv): New.
10447 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10448 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10449 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10451 * config/m32c/m32c-protos.h: Update as needed.
10452 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10453 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10454 Fail for unrecognized R* constraints.
10455 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10456 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10457 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10459 (m32c_init_libfuncs): New.
10460 (m32c_legitimate_address_p): Add debug wrapper.
10461 (m32c_rtx_costs): New.
10462 (m32c_address_cost): New.
10463 (conversions): Add 'B' prefix.
10464 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10465 operands, or word regnames for QI operands. 'B' prints bit
10467 (m32c_expand_setmemhi): New.
10468 (m32c_expand_movmemhi): New.
10469 (m32c_expand_movstr): New.
10470 (m32c_expand_cmpstr): New.
10471 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10472 (m32c_expand_neg_mulpsi3): Handle non-ints.
10473 (m32c_cmp_flg_0): New.
10474 (m32c_expand_movcc): New.
10475 (m32c_expand_insv): New.
10476 (m32c_scc_pattern): New.
10477 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10478 a0/a1 out of SIregs.
10479 (STORE_FLAG_VALUE): New.
10480 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10483 * config/m32c/mov.md: Make constraints more liberal.
10484 (zero_extendqihi2): Optimize r0/r1 case.
10485 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10486 * config/m32c/predicates.md (m32c_any_operand): New.
10487 (m32c_nonimmediate_operand): New.
10488 (m32c_hl_operand): New.
10489 (m32c_r3_operand): New.
10492 (memsym_operand): New.
10493 (memimmed_operand): New.
10494 (a_qi_operand): New.
10495 (m32c_eqne_operator): New.
10496 (m32c_1bit8_operand): New.
10497 (m32c_1bit16_operand): New.
10498 (m32c_1mask8_operand): New.
10499 (m32c_1mask16_operand): New.
10500 * config/m32c/blkmov.md: New file.
10501 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10503 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10505 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10506 unsigned to fix signed/unsigned comparison issue in
10507 DWARF2_FRAME_REG_OUT.
10508 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10509 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10511 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10512 of ptr into the ENABLE_CHECKING section.
10514 2006-03-08 Jeff Law <law@redhat.com>
10516 * tree-vrp.c (infer_value_range): Only count pointer uses
10517 and dereferences if -fdelete-null-pointer-checks is enabled.
10519 * tree-vrp.c (find_assert_locations): Infer value ranges for
10520 single use pointers, but do not create ASSERT_EXPRs for them.
10521 When a non-null range is inferred for a pointer, backwards
10522 propagate that range to other equivalent pointers through the
10525 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10528 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10529 language hook targets.
10530 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10531 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10532 if language hook targets were missing.
10534 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10536 * tree-ssa-opfinalize.h: Removed.
10537 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10539 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10540 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10541 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10542 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10543 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10544 finalize_ssa_v_must_def_ops): New.
10546 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10548 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10549 block as parameter.
10551 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10553 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10555 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10556 addresses with offsets; reorganize.
10558 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10559 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10560 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10562 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10565 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10567 2006-03-08 Ben Elliston <bje@au.ibm.com>
10569 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10571 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10574 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10577 2006-03-07 Richard Guenther <rguenther@suse.de>
10579 PR tree-optimization/26587
10580 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10582 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10584 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10586 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10588 * hooks.c (hook_bool_mode_rtx_true): New function.
10589 * hooks.h (hook_bool_mode_rtx_true): Declare.
10590 * toplev.c (compile_file): Call output_shared_constant_pool.
10591 * varasm.c (shared_constant_pool): New variable.
10592 (assemble_start_function, assemble_end_function): Remove arguments
10593 from call to output_constant_pool.
10594 (create_constant_pool): New function, split out from...
10595 (init_varasm_status): ...here.
10596 (force_const_mem): Choose between the shared and per-function constant
10597 pools. Set current_function_uses_const_pool when reusing old entries
10598 as well as when creating new ones.
10599 (mark_constant): Ignore data argument.
10600 (mark_constants): Remove pool argument.
10601 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10602 to decide whether the function uses a constant pool.
10603 (output_constant_pool_contents): New function, split out from...
10604 (output_constant_pool): ...here.
10605 (output_shared_constant_pool): New function.
10606 (init_varasm_once): Initialize shared_constant_pool.
10607 * output.h (output_constant_pool): Delete.
10608 (output_shared_constant_pool): Declare.
10609 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10610 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10612 2006-03-06 Nick Clifton <nickc@redhat.com>
10614 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10615 flag_strength_reduce.
10617 2006-03-06 Ben Elliston <bje@au.ibm.com>
10619 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10620 x86_64-*-linux* configurations.
10622 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10623 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10625 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10627 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10629 * basic-block.h: Remove the extern for
10630 rediscover_loops_after_threading.
10632 * cfgloop.c (cancel_loop): Make it static.
10633 * cfgloop.h: Remove the prototype for cancel_loop.
10635 * flow.c (recompute_reg_usage): Make it static.
10636 * rtl.h: Remove the prototype for recompute_reg_usage.
10638 * function.c (use_return_register): Make it static.
10639 * function.h: Remove the prototype.
10641 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10643 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10645 * recog.h: Remove the prototype for
10646 validate_change_maybe_volatile.
10648 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10650 * rtlanal.c (replace_reg): Remove.
10651 * rtl.h: Remove the prototype for replace_reg.
10653 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10655 * regclass.c (reg_scan_update): Remove.
10656 (reg_scan_mark_refs): Remove the last argument.
10657 * rtl.h: Remove the prototype for reg_scan_update.
10659 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10661 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10662 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10663 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10664 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10665 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10666 loop-invariant.c, omp-low.c, opts.c, passes.c,
10667 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10668 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10669 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10670 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10671 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10672 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10674 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10676 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10677 * dwarf2out.h: Remove the prototype for
10678 dwarf2out_add_library_unit_info.
10680 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10682 * tree.c (add_var_to_bind_expr): Remove.
10683 * tree.h: Remove the prototype for add_var_to_bind_expr.
10685 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10687 * regclass.c (n_non_fixed_regs): Remove.
10688 (init_reg_sets_1, globalize_reg): Remove all uses of
10690 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10692 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10694 * rtlanal.c (insns_safe_to_move_p): Remove.
10695 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10697 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10699 * expmed.c (expand_mult_add): Remove.
10700 * expr.h: Remove the prototype for expand_mult_add.
10702 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10704 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10705 and REG_SAVED_VAL_EXP constants.
10706 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10707 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10708 Handle regs stored by value.
10709 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10710 (execute_cfa_program): Handle DW_CFA_val_offset,
10711 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10712 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10713 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10714 (uw_install_context_1): Handle target regs stored by value.
10716 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10718 * tree-sra.c (tree_sra): Return todoflags;
10719 (generate_one_element): Set TODO_update_smt_usage if needed.
10720 (pass_sra): Remove TODO_update_smt_usage.
10721 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10723 (tree_ssa_forward_propagate_single_use_vars): Return
10724 TODO_update_smt_usage if we need to update SMT usage.
10725 (pass_forwprop): Remove TODO_update_smt_usage.
10727 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10729 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10730 (correct_use_link): Remove reference to get_stmt_operands.
10731 (update_stmt_operands): Likewise.
10732 (get_modify_expr_operands): New function factored out of
10733 parse_ssa_operands and get_expr_operands.
10734 Try to create V_MUST_DEFs for LHS by default.
10735 (get_expr_operands) <case MODIFY_EXPR>: Call
10736 get_modify_expr_operands.
10737 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10738 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10739 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10740 get_modify_expr_operands.
10742 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10744 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10745 * tree-flow.h: Remove the prototype for
10746 referenced_var_lookup_if_exists.
10748 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10750 PR rtl-optimization/26345
10752 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10754 2006-03-03 Roger Sayle <roger@eyesopen.com>
10756 PR tree-optimization/26524
10757 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10758 fold_convert to create a constant of the appropriate type.
10760 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10762 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10763 SYMBOL_REF_IN_BLOCK_P.
10764 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10765 of SYMBOL_FLAG_IN_BLOCK.
10766 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10767 instead of SYMBOL_REF_IN_BLOCK_P.
10768 * explow.c (use_anchored_address): Likewise.
10769 * rtl.c (rtx_size): Likewise.
10770 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10771 instead of SYMBOL_FLAG_IN_BLOCK.
10772 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10773 SYMBOL_REF_IN_BLOCK_P.
10774 (assemble_variable): Likewise.
10775 (output_constant_def_contents): Likewise.
10776 (output_constant_pool): Likewise.
10777 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10778 instead of SYMBOL_FLAG_IN_BLOCK.
10779 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10780 SYMBOL_REF_IN_BLOCK_P.
10781 (SYMBOL_REF_BLOCK): Likewise.
10782 (SYMBOL_REF_OFFSET): Likewise.
10783 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10784 SYMBOL_REF_IN_BLOCK_P.
10785 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10786 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10787 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10788 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10790 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10792 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10794 2006-03-02 Roger Sayle <roger@eyesopen.com>
10796 * simplify-rtx.c (simplify_unary_operation): When simplifying
10797 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10798 that we perform the right shift in the appropriate mode, and
10799 then extend or truncate the result to requested mode.
10801 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10803 * gengtype.c (main): Handle double_int type.
10804 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10805 * double-int.c: New file.
10806 * double-int.h: New file.
10807 * system.h: Include doubleint.h.
10808 * Makefile.in (SYSTEM_H): Include double-int.h.
10809 (double-int.o): Add.
10811 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10814 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10817 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10819 * tree-vrp.c (remove_range_assertions): Do not update statements
10822 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10824 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10826 * gcse.c (rest_of_handle_gcse): Ditto.
10827 * except.c (gate_handle_eh): Ditto.
10828 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10829 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10831 2006-03-02 Eric Christopher <echristo@apple.com>
10833 * config/i386/i386.c (machopic_output_stub): Add indirection to
10836 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10840 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10842 Sun Niagara specific optimizations.
10843 * config.gcc: Recognize niagara as target.
10844 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10845 (TARGET_CPU_niagara): Define.
10846 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10847 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10848 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10849 (ASM_CPU_SPEC): Likewise.
10850 (PROCESSOR_NIAGARA): New enum entry.
10851 (REGISTER_MOVE_COST): Handle Niagara.
10852 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10853 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10854 (sparc_override_options): Recognize "niagara", set appropriate
10855 default MASK_* values for it, and align functions to 32-bytes
10856 by default just like ULTRASPARC/ULTRASPARC3.
10857 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10858 (sparc64_initialize_trampoline): Likewise.
10859 (sparc_use_sched_lookahead): Use zero for niagara.
10860 (sparc_issue_rate): Use one for niagara.
10861 * config/sparc/niagara.md: New file.
10862 * config/sparc/sparc.md: Include it.
10863 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10864 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10865 when default cpu is niagara.
10866 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10867 (ASM_CPU_SPEC): Likewise.
10868 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10869 when default cpu is niagara.
10870 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10871 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10872 just like v9/ultrasparc/ultrasparc3.
10873 * doc/invoke.texi: Add documentation for "niagara" and improve
10874 existing documentation for ultrasparc variants.
10876 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10878 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10880 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10882 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10883 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10884 and say that only one is needed.
10885 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10886 * target.h (have_switchable_bss_sections): New hook.
10887 * explow.c (use_anchored_address): Check that the symbol is in a block.
10888 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10889 (bss_noswitch_section): New variables.
10890 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10891 (get_noswitch_section): New function.
10892 (get_block_for_section): Allow SECT to be null.
10893 (unlikely_text_section_p): Use SECTION_STYLE.
10894 (bss_initializer_p): New function.
10895 (get_variable_section): Move earlier in file. Take a new argument,
10896 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10897 Return one of the new *_sections in such cases.
10898 (get_block_for_decl): New function, extracting some logic from
10899 use_blocks_for_decl_p.
10900 (change_symbol_section): Remove in favor of...
10901 (change_symbol_block): ...this new function.
10902 (use_blocks_for_decl_p): Remove checks now performed by
10903 get_block_for_decl.
10904 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10905 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10906 (emit_local, emit_bss, emit_common): ...these new functions.
10907 Return true if the alignment was honored.
10908 (emit_tls_common): New function.
10909 (asm_emit_uninitialised): Delete.
10910 (assemble_variable_noswitch): New function, split out from...
10911 (assemble_variable): ...here. Don't make decisions about common
10912 variables here. Globalize all public decls that go into non-common
10913 sections. Check whether SYMBOL_REF_BLOCK is null.
10914 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10915 (output_constant_pool): Likewise.
10916 (init_varasm_once): Initialize the new section variables.
10917 (have_global_bss_p): New function.
10918 (categorize_decl_for_section): Use bss_initializer_p.
10919 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10920 (place_block_symbol): Assert that the symbol must be in a block.
10921 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10922 (TARGET_INITIALIZER): Include it.
10923 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10924 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10925 (SECTION_MACH_DEP): Bump by two.
10926 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10927 (unnamed_section): Mention SECTION_UNNAMED in comment.
10928 (named_section): Likewise SECTION_NAMED.
10929 (noswitch_section_callback): New type.
10930 (noswitch_section): New structure.
10931 (section): Add a noswitch_section alternative.
10932 (SECTION_STYLE): New macro.
10933 (tls_comm_section, comm_section, lcomm_section): Declare.
10934 (bss_noswitch_section, have_global_bss_p): Declare.
10935 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10936 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10938 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10939 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10942 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10944 * tree-vrp.c (execute_vrp): Return value.
10945 * regrename.c (rest_of_handle_regrename): Ditto.
10946 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10947 * tree-complex.c (tree_lower_complex): Ditto.
10948 (tree_lower_complex_O0): Ditto.
10949 * tracer.c (rest_of_handle_tracer): Ditto.
10950 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10951 * postreload.c (rest_of_handle_postreload): Ditto.
10952 * tree-tailcall.c (execute_tail_recursion): Ditto.
10953 (execute_tail_calls): Ditto.
10954 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10955 * tree.h (init_function_for_compilation): Ditto.
10956 * ipa-cp.c (ipcp_driver): Ditto.
10957 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10958 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10959 * final.c (compute_alignments): Ditto.
10960 (rest_of_handle_final): Ditto.
10961 (rest_of_handle_shorten_branches): Ditto.
10962 (rest_of_clean_state): Ditto.
10963 * omp-low.c (execute_expand_omp): Ditto.
10964 (execute_lower_omp): Ditto.
10965 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10966 * ipa-reference.c (static_execute): Ditto.
10967 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10968 * reorg.c (rest_of_handle_delay_slots): Ditto.
10969 (rest_of_handle_machine_reorg): Ditto.
10970 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10971 * flow.c (recompute_reg_usage): Ditto.
10972 (rest_of_handle_remove_death_notes): Ditto.
10973 (rest_of_handle_life): Ditto.
10974 (rest_of_handle_flow2): Ditto.
10975 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10976 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10977 (do_ssa_store_ccp): Ditto.
10978 (execute_fold_all_builtins): Ditto.
10979 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10980 * modulo-sched.c (rest_of_handle_sms): Ditto.
10981 * ipa-pure-const.c (static_execute): Ditto.
10982 * cse.c (rest_of_handle_cse): Ditto.
10983 (rest_of_handle_cse2): Ditto.
10984 * web.c (rest_of_handle_web): Ditto.
10985 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10986 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10987 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10988 * tree-nrv.c (tree_nrv): Ditto.
10989 (execute_return_slot_opt): Ditto.
10990 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10991 (create_structure_vars): Ditto.
10992 * loop-init.c (rtl_loop_init): Ditto.
10993 (rtl_loop_done): Ditto.
10994 (rtl_move_loop_invariants): Ditto.
10995 (rtl_unswitch): Ditto.
10996 (rtl_unroll_and_peel_loops): Ditto.
10997 (rtl_doloop): Ditto.
10998 * gimple-low.c (lower_function_body): Ditto.
10999 (mark_used_blocks): Ditto.
11000 * tree-ssa-sink.c (execute_sink_code): Ditto.
11001 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11002 (cgraph_early_inlining): Ditto.
11003 * global.c (rest_of_handle_global_alloc): Ditto.
11004 * jump.c (cleanup_barriers): Ditto.
11005 (purge_line_number_notes): Ditto.
11006 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11007 (rest_of_handle_if_after_reload): Ditto.
11008 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11009 (tree_ssa_loop_im): Ditto.
11010 (tree_ssa_loop_unswitch): Ditto.
11011 (tree_vectorize): Ditto.
11012 (tree_linear_transform): Ditto.
11013 (tree_ssa_loop_ivcanon): Ditto.
11014 (tree_ssa_empty_loop): Ditto.
11015 (tree_ssa_loop_bounds): Ditto.
11016 (tree_complete_unroll): Ditto.
11017 (tree_ssa_loop_prefetch): Ditto.
11018 (tree_ssa_loop_ivopts): Ditto.
11019 (tree_ssa_loop_done): Ditto.
11020 * predict.c (tree_estimate_probability): Ditto.
11021 * recog.c (split_all_insns_noflow): Ditto.
11022 (rest_of_handle_peephole2): Ditto.
11023 (rest_of_handle_split_all_insns): Ditto.
11024 * tree-eh.c (lower_eh_constructs): Ditto.
11025 * regmove.c (rest_of_handle_regmove): Ditto.
11026 (rest_of_handle_stack_adjustments): Ditto.
11027 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11028 * function.c (instantiate_virtual_regs): Ditto.
11029 (init_function_for_compilation): Ditto.
11030 (rest_of_handle_check_leaf_regs): Ditto.
11031 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11032 (rest_of_handle_gcse): Ditto.
11033 * ipa-type-escape.c (type_escape_execute): Ditto.
11034 * alias.c (rest_of_handle_cfg): Ditto.
11035 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11036 * profile.c (rest_of_handle_branch_prob): Ditto.
11037 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11038 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11039 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11040 * tree-dfa.c (find_referenced_vars): Ditto.
11041 * except.c (set_nothrow_function_flags): Ditto.
11042 (convert_to_eh_region_ranges): Ditto.
11043 (rest_of_handle_eh): Ditto.
11044 * emit-rtl.c (unshare_all_rtl): Ditto.
11045 (remove_unnecessary_notes): Ditto.
11046 * except.h (set_nothrow_function_flags): Ditto.
11047 (convert_to_eh_region_ranges): Ditto.
11048 * cfgexpand.c (tree_expand_cfg): Ditto.
11049 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11050 * tree-ssa-pre.c (do_pre): Ditto.
11051 (execute_fre): Ditto.
11052 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11053 (rest_of_handle_jump2): Ditto.
11054 * tree-sra.c (tree_sra): Ditto.
11055 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11056 (execute_mudflap_function_decls): Ditto.
11057 * tree-ssa-copy.c (do_copy_prop): Ditto.
11058 (do_store_copy_prop): Ditto.
11059 * ipa-prop.h (ipcp_driver): Ditto.
11060 * cfglayout.c (insn_locators_initialize): Ditto.
11061 * tree-ssa-forwprop.c
11062 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11063 * cfglayout.h (insn_locators_initialize): Ditto.
11064 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11065 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11066 (execute_late_warn_uninitialized): Ditto.
11067 * rtl.h (cleanup_barriers): Ditto.
11068 (split_all_insns_noflow): Ditto.
11069 (purge_line_number_notes): Ditto.
11070 (unshare_all_rtl): Ditto.
11071 (remove_unnecessary_notes): Ditto.
11072 (recompute_reg_usage): Ditto.
11073 (variable_tracking_main): Ditto.
11074 * integrate.c (emit_initial_value_sets): Ditto.
11075 * integrate.h (emit_initial_value_sets): Ditto.
11076 * tree-optimize.c (execute_free_datastructures): Ditto
11077 (execute_free_cfg_annotations): Ditto.
11078 (execute_fixup_cfg): Ditto.
11079 (execute_cleanup_cfg_pre_ipa): Ditto.
11080 (execute_cleanup_cfg_post_optimizing): Ditto.
11081 (execute_init_datastructures): Ditto.
11082 * tree-object-size.c (compute_object_sizes): Ditto.
11083 * combine.c (rest_of_handle_combine): Ditto.
11084 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11085 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11086 (rest_of_handle_reorder_blocks): Ditto.
11087 (rest_of_handle_partition_blocks): Ditto.
11088 * var-tracking.c (variable_tracking_main): Ditto.
11089 * tree-profile.c (tree_profiling): Ditto.
11090 * tree-vect-generic.c (expand_vector_operations): Ditto.
11091 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11092 * sched-rgn.c (rest_of_handle_sched): Ditto.
11093 (rest_of_handle_sched2): Ditto.
11094 * basic-block.h (free_bb_insn): Ditto.
11095 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11096 * tree-cfg.c (execute_build_cfg): Ditto.
11097 (remove_useless_stmts): Ditto.
11098 (split_critical_edges): Ditto.
11099 (execute_warn_function_return): Ditto.
11100 (execute_warn_function_noreturn): Ditto.
11101 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11102 * cfgrtl.c (free_bb_for_insn): Ditto.
11103 * passes.c (execute_one_pass): Run additional
11104 todos returned by execute function.
11105 * tree-pass.h (struct tree_opt_pass): Make execute
11108 2006-03-02 Richard Guenther <rguenther@suse.de>
11110 * tree-ssa-alias.c (find_used_portions): Consider taking
11111 the address as making the variable not write-only.
11113 2006-03-02 Nick Clifton <nickc@redhat.com>
11115 * config.gcc (default_use_cxa_atexit): Extend the description of
11116 this configure variable. Set its default value to "yes" for
11117 Linux, NetBSD and ELF targets on the assumption that they will
11118 use C libraries with the __cxa_atexit function.
11120 2006-03-02 Ben Elliston <bje@au.ibm.com>
11122 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11123 parameter as unused to suppress a build warning.
11125 2006-03-02 Ben Elliston <bje@au.ibm.com>
11127 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11130 2006-03-01 Roger Sayle <roger@eyesopen.com>
11133 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11134 declared name, the weak reference name, and the typeof name.
11135 (__gthrw): Avoid expanding the declared name suffix.
11136 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11138 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11140 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11142 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11143 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11144 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11145 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11146 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11147 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11148 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11149 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11150 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11151 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11152 (DW_END_default, DW_END_big, DW_END_little): New.
11153 (DW_END_lo_user, DW_END_hi_user): Define.
11154 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11155 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11156 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11159 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11161 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11163 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11165 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11167 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11169 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11170 to 'symbol_mem_tag'.
11172 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11175 2006-03-01 Roger Sayle <roger@eyesopen.com>
11177 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11179 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11182 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11183 MACHO_DYNAMIC_NO_PIC_P.
11184 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11186 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11189 * config/darwin-protos.h (darwin_asm_output_anchor):
11191 * config/darwin-sections.def (cstring_section):
11192 Add SECTION_MERGE to the flags.
11193 (literal4_section): Likewise.
11194 (literal8_section): Likewise.
11195 (objc_selector_refs_section): Likewise.
11196 (objc_cls_refs_section): Likewise.
11197 * config/darwin.c (darwin_asm_output_anchor): New
11199 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11201 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11203 Fix PR tree-optimization/26443
11204 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11205 to todo and PROP_tmt_usage to properties_destroyed.
11206 * tree-ssa-ccp.c (pass_ccp): Ditto.
11207 (pass_store_ccp): Ditto.
11208 * tree-ssa-dom.c (pass_dominator): Ditto.
11210 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11212 * tree-ssa-operands.c: Cleanup whitespace.
11213 (get_asm_expr_operands): Move before first invocation.
11214 (get_indirect_ref_operands): Likewise.
11215 (get_tmr_operands): Likewise.
11216 (get_call_expr_operands): Likewise.
11217 (append_def): Likewise.
11218 (append_use): Likewise.
11219 (append_v_may_def): Likewise.
11220 (append_v_must_def): Likewise.
11221 (add_call_clobber_ops): Likewise.
11222 (add_call_read_ops): Likewise.
11223 (add_stmt_operand): Likewise.
11224 (add_virtual_operand): Likewise.
11225 (build_ssa_operands): Likewise.
11227 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11229 PR middle-end/26022
11231 PR middle-end/24437
11232 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11233 with a call expr to ...
11234 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11236 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11238 * tree-vrp.c (extract_range_from_assert): Remove special
11239 handling for types with super-types.
11241 2006-03-01 Ben Elliston <bje@au.ibm.com>
11243 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11244 and powerpc64-*-linux* configurations.
11245 * config/t-dfprules: New file.
11247 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11248 Compile dfp-bit.c from the source directory using -DWIDTH and
11249 $DFP_CFLAGS to control the compilation of that file, rather than
11250 generating width-specific versions in the build directory.
11251 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11252 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11254 2006-02-28 Zack Weinberg <zackw@panix.com>
11256 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11259 2006-02-28 Eric Christopher <echristo@apple.com>
11261 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11262 Set up IN_LIBGCC definition of TARGET_64BIT.
11263 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11265 2006-02-28 Roger Sayle <roger@eyesopen.com>
11267 PR middle-end/14752
11268 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11269 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11270 cases via the construction of "expr != 0".
11272 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11274 * alias.c (alias_invariant, alias_invariant_size): Remove.
11275 (record_base_value): Remove.
11276 (memrefs_conflict_p): Don't look at alias_invariant.
11277 (end_alias_analysis): Don't free it.
11278 * alias.h (record_base_value): Remove prototype.
11280 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11281 Adam Nemet <anemet@caviumnetworks.com>
11283 * rtl.h (truncated_to_mode): Declare it.
11284 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11285 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11286 (RTL_HOOKS_INITIALIZER): Include it.
11287 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11288 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11289 reg_truncated_to_mode.
11290 * rtlanal.c (truncated_to_mode): Define it.
11291 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11293 2006-02-28 Jeff Law <law@redhat.com>
11295 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11296 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11297 the range allowed by TYPE_PRECISION.
11299 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11301 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11303 PR tree-optimization/26419
11304 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11307 2006-02-27 Zack Weinberg <zackw@panix.com>
11309 * doc/md.texi: Fix typo in previous change.
11311 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11315 2006-02-27 Zack Weinberg <zackw@panix.com>
11317 * rtl.def (define_constraint, define_register_constraint)
11318 (define_memory_constraint, define_address_constraint): New MD forms.
11319 * gensupport.c (process_rtx): Put define_constraint etc on the
11321 * genpreds.c (process_define_predicate): Adjust comment. Validate
11322 the name, and call validate_exp to validate the expression.
11323 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11324 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11325 all callers changed.
11326 (validate_exp, needs_variable, struct constraint_data)
11327 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11328 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11329 (const_dbl_constraints, constraint_max_namelen)
11330 (have_register_constraints, have_memory_constraints)
11331 (have_address_constraints, have_address_constraints)
11332 (have_extra_constraints, have_const_int_constraints)
11333 (have_const_dbl_constraints, mangle, add_constraint)
11334 (process_define_constraint, process_define_register_constraint)
11335 (write_enum_constraint_num, write_lookup_constraint)
11336 (write_insn_constraint_len, write_regclass_for_constraint)
11337 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11338 (write_insn_extra_memory_constraint)
11339 (write_insn_extra_address_constraint)
11340 (write_satisfies_constraint_fns): New.
11341 (write_tm_preds_h): If we have new-style constraint definitions,
11342 prototype the functions generated from them, and define the
11343 old constraint interface (still used by generic code) in terms of
11345 (write_insn_preds_c): If we have new-style constraint definitions,
11346 generate all relevant functions from those definitions.
11347 (main): Handle define_constraint etc.
11348 * genoutput.c (struct constraint_data, indep_constraints)
11349 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11350 (mdep_constraint_len): New data structures and functions, defined
11351 #ifdef USE_MD_CONSTRAINTS.
11352 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11353 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11354 use new logic to validate operand constraints against constraint
11356 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11358 * defaults.h: If none of the old-style constraint macros are
11359 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11360 old-style macros; and poison REG_CLASS_FROM_LETTER,
11361 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11363 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11364 * doc/md.texi: Document new constraint-definition mechanism and the
11365 C interface it provides. Remove references to old mechanism
11366 elsewhere in the document.
11367 (Machine Constraints): Use pathnames relative to gcc directory,
11368 i.e. config/ARCH/FILE. Change i386 section to refer to
11369 config/i386/predicates.md; update that section to match docstrings.
11370 * doc/tm.texi: Move all documentation of the old constraint-
11371 definition macros to their own section, clearly mark as obsolete.
11373 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11374 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11376 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11377 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11378 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11379 constraint strings.
11380 (splits and peepholes): Use satisfies_constraint_*.
11381 * config/i386/i386.c (memory_address_length)
11382 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11384 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11386 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11387 scalar operation to be put back into the loop.
11389 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11392 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11393 (extract_cie_info): Handle S flag in augmentation string.
11394 (execute_cfa_program): If context->signal_frame, execute also
11395 fs->pc == context->ra instructions.
11396 (uw_frame_state_for): If context->signal_frame, don't subtract one
11397 from context->ra to find FDE.
11398 (uw_update_context_1): Set context->signal_frame to
11400 (_Unwind_GetIPInfo): New function.
11401 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11402 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11404 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11405 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11406 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11407 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11408 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11409 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11410 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11411 x86_64_fallback_frame_state): Set fs->signal_frame.
11412 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11413 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11414 (frob_update_context): Likewise. Workaround missing S flag in
11415 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11416 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11417 Remove the psw_addr + 1 hack.
11419 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11421 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11422 with aggregates here.
11423 (find_func_aliases): Remove code for &<aggregate> from here.
11425 2006-02-26 Roger Sayle <roger@eyesopen.com>
11427 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11428 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11429 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11430 as (X & C) ne/eq 0.
11432 2006-02-26 Roger Sayle <roger@eyesopen.com>
11434 PR middle-end/19983
11435 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11437 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11439 * opts.c (decode_options): Do not handle flag_strength_reduce.
11440 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11441 and OPT_fstrength_reduce.
11442 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11443 flag_prefetch_loop_arrays for being nonzero.
11444 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11446 (fprefetch-loop-arrays-rtl): Removed.
11447 (flag_prefetch_loop_arrays): Do not specify the value.
11449 * doc/passes.texi: Update documentation of loop optimizer
11451 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11452 -frerun-loop-opt): Remove.
11454 2006-02-26 Richard Guenther <rguenther@suse.de>
11456 PR tree-optimization/26421
11457 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11458 in function calls that are ADDR_EXPRs as using the whole structure.
11460 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11462 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11463 * tree-pass.h (pass_loop_optimize): Remove.
11464 * passes.c (pass_loop_optimize): Never run it.
11465 * toplev.c (backend_init): Don't call init_loop.
11466 * opts.c (flag_loop_optimize_set): Remove.
11467 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11468 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11469 the old RTL loop optimizer when profiling enabled.
11470 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11471 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11472 pre-headers for the sake of the old RTL loop optimizer.
11473 * Makefile.in: Remove all references to loop.o.
11475 * doc/invoke.texi: Remove all references to -floop-optimize
11476 and -frerun-loop-opt.
11478 2006-02-26 Zack Weinberg <zackw@panix.com>
11480 * doc/md.texi (Machine Constraints): Refer to all files with paths
11481 relative to gcc directory (i.e. config/CPU/file). Add missing
11482 @table @code ... @end table to M32C subsection.
11484 2006-02-26 Roger Sayle <roger@eyesopen.com>
11486 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11488 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11490 2006-02-26 Roger Sayle <roger@eyesopen.com>
11491 James A. Morrison <phython@gcc.gnu.org>
11493 PR middle-end/21137
11494 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11495 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11496 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11497 signedness of the shift operation.
11499 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11501 PR tree-optimization/26359
11502 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11504 2006-02-25 Roger Sayle <roger@eyesopen.com>
11506 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11507 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11508 as X == 0, and some symmetry related transformations.
11509 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11511 2006-02-25 Roger Sayle <roger@eyesopen.com>
11513 PR middle-end/23673
11514 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11515 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11516 symmetry related transformations. Fold (X^C1) == C2 as
11519 2006-02-25 Juergen Weigert <jw@suse.de>
11520 Richard Guenther <rguenther@suse.de>
11522 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11524 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11526 * combine.c (gen_lowpart_or_truncate): Call
11527 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11529 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11531 * doc/invoke.texi: Move -fopenmp description to "Options for
11533 Remove reference to -lgomp.
11535 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11537 * doc/install.texi: Require GNU tar version 1.14.
11539 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11541 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11542 * doc/invoke.texi (C++ Dialect Options): Document
11543 -fno-use-cxa-get-exception-ptr.
11544 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11545 * configure: Regenerate.
11546 * c.opt (fuse-cxa-get-exception-ptr): New.
11547 * c-opts.c (c_common_handle_option): Handle
11548 OPT_fuse_cxa_get_exception_ptr.
11549 * c-common.c (flag_use_cxa_atexit): Update documentation.
11550 (flag_use_cxa_get_exception_ptr): New.
11551 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11552 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11554 (C_COMMON_OVERRIDE_OPTIONS): New.
11556 2006-02-24 Roger Sayle <roger@eyesopen.com>
11558 PR middle-end/24952
11559 * combine.c (try_combine): Explicitly check whether GET_CODE is
11560 a SET or a CLOBBER, instead on checking that it isn't a USE.
11562 2006-02-24 Roger Sayle <roger@eyesopen.com>
11564 * fold-const.c (fold_comparison): New subroutine of fold_binary
11565 containing transformations common to both the equality and
11566 ordering relational operators, factored out of fold_binary.
11567 (fold_binary): Separate out the equality operators (EQ_EXPR
11568 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11569 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11570 transformations common to both.
11571 (fold_div_compare): Fix latent bugs in the previously unreachable
11572 LT_EXPR and GE_EXPR cases.
11574 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11576 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11577 decl libname for clog to __clog on AIX.
11579 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11581 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11584 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11585 output traceback table for thunks. Localise rs6000_stack_info call.
11587 2006-02-23 Roger Sayle <roger@eyesopen.com>
11588 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11590 * gthr-posix.h (__gthrw): Fix typo in comment.
11592 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11594 * doc/cpp.texi (Character sets): Document that we do support
11595 input files to be in any character set.
11597 2006-02-23 Jeff Law <law@redhat.com>
11599 * tree.h (PHI_ARG_NONZERO): Remove.
11600 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11601 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11602 node to the new node.
11604 PR tree-optimization/26425
11605 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11606 min/max, then assume its varying.
11608 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11610 PR rtl-optimization/26316
11611 * rtlanal.c (enum may_trap_p_flags): New.
11612 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11613 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11614 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11615 (may_trap_after_code_motion_p): New function.
11616 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11617 (find_invariant_insn): Use may_trap_after_code_motion_p.
11618 * rtl.h (may_trap_after_code_motion_p): Declare.
11620 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11622 * emit-rtl.c (immed_double_const): Cleanup.
11624 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11626 Fix PR tree-optimization/26376
11627 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11630 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11632 PR middle-end/26412
11633 * gimplify.c (omp_add_variable): Guard variable size decl test with
11634 DECL_SIZE (decl) check.
11636 2006-02-23 Richard Guenther <rguenther@suse.de>
11638 PR middle-end/26439
11639 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11640 like aggregate types.
11642 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11644 * configure.ac: Add --with{,out}-long-double-128 configure option.
11645 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11646 * configure: Rebuilt.
11647 * config.in: Rebuilt.
11648 * doc/install.texi (Options specification): Document
11649 --with-long-double-128.
11651 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11652 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11653 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11654 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11656 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11658 * config/s390/s390.c (override_options): Handle
11659 TARGET_DEFAULT_LONG_DOUBLE_128.
11661 * config/alpha/alpha.c (override_options): Handle
11662 TARGET_DEFAULT_LONG_DOUBLE_128.
11664 * config/sparc/sparc.c (sparc_override_options): Handle
11665 TARGET_DEFAULT_LONG_DOUBLE_128.
11667 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11669 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11670 (real-install-headers-tar, real-install-headers-cpio)
11671 (real-install-headers-cp): New targets.
11673 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11675 * tree.h (variable_section): Delete.
11676 * varasm.c (variable_section): Delete.
11678 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11680 * install.texi: Add notes on install.texi2html.
11681 (Building in parallel): Do not use footnotes.
11683 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11686 * doc/install.texi (Configuration): Document --disable-libgomp.
11688 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11690 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11692 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11694 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11695 (vec_extractv2df_0_sse): New.
11697 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11699 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11700 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11701 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11702 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11703 to the result of the expression.
11704 (def_cfa_1): Adjust.
11705 (frame_pointer_cfa_offset): Rename to...
11706 (frame_pointer_fb_offset): ... this. Adjust all uses.
11707 (convert_cfa_to_loc_list): Rename to...
11708 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11709 Pass it on to build_cfa_loc.
11710 (compute_frame_pointer_to_cfa_displacement): Rename to...
11711 (compute_frame_pointer_to_fb_displacement): ... this. New
11712 offset parameter. Use it in computation.
11713 (gen_subprogram_die): Compute cfa_fb_offset with the new
11714 macro, and use it to compute the fb loc list and the
11717 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11719 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11720 replaced with register_operand.
11721 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11722 non-DREG is expensive.
11723 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11724 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11727 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11729 * doc/install.texi2html: Use set -e.
11731 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11733 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11734 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11735 * doc/invoke.texi (-fshared-data): Delete.
11736 * common.opt (fshared-data): Delete.
11737 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11738 (assemble_static_space): Remove #if 0 code.
11739 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11740 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11741 * config/cris/cris.h: Remove FIXME.
11743 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11745 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11748 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11750 PR middle-end/26379
11751 * combine.c (simplify_shift_const_1): Disable nested shifts
11752 optimization for vector shifts.
11754 2006-02-20 Roger Sayle <roger@eyesopen.com>
11756 PR tree-optimization/26361
11757 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11758 of unsigned integer types.
11760 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11762 * tree-chrec.c (eq_evolutions_p): New.
11763 * tree-chrec.h (eq_evolutions_p): Declared.
11764 * tree-data-ref.c: Fix formatting.
11765 (datadep_stats, dependence_stats): New.
11767 (print_direction_vector): New.
11768 (dump_data_dependence_relation): Use print_direction_vector.
11769 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11770 (compute_subscript_distance): Static.
11771 (initialize_data_dependence_relation): Static. Get the number
11772 of loops surrounding the references from the callers, and initialize
11773 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11774 base_object_differ_p analyzers.
11775 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11776 compute_overlap_steps_for_affine_1_2,
11777 analyze_subscript_affine_affine): Count the classified dependences.
11778 Print a message when a test failed.
11779 (can_use_analyze_subscript_affine_affine): New.
11780 (analyze_siv_subscript): Compute the data dependences on symbolic
11781 scevs that verify can_use_analyze_subscript_affine_affine.
11782 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11783 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11784 Handle symbolic scevs.
11785 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11787 (subscript_dependence_tester): Moved...
11788 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11789 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11790 DDR_SIZE_VECT instead of getting it in parameter.
11791 (subscript_dependence_tester): ... here. Take as a parameter
11792 loop_nest_depth. Call build_classic_dist_vector and
11793 build_classic_dir_vector.
11794 (compute_affine_dependence): Update subscript_dependence_tester
11795 parameters. Update datadep_stats counters. Call
11796 compute_subscript_distance.
11797 (compute_self_dependence): Save the dist and dir vectors. Call
11798 compute_subscript_distance.
11799 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11800 (compute_all_dependences): Reorder parameters as they were before
11801 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11802 compute_subscript_distance. Update the use of
11803 compute_affine_dependence and initialize_data_dependence_relation.
11804 (find_data_references_in_loop): Handle COMPONENT_REF.
11805 (compute_data_dependences_for_loop): Initialize dependence_stats.
11806 Don't call build_classic_dist_vector and build_classic_dir_vector.
11807 Update the parameters of initialize_data_dependence_relation and
11808 compute_all_dependences. Print the statistics from datadep_stats.
11809 (analyze_all_data_dependences): Static. Not used until the pass for
11810 checking the data dependences is contributed.
11811 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11812 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11813 (initialize_data_dependence_relation, compute_affine_dependence,
11814 analyze_all_data_dependences, compute_subscript_distance): Removed.
11815 (print_direction_vector): New.
11816 * lambda.h (gcd): ... here.
11817 (lambda_vector_gcd): Moved here from gcd_vector.
11818 * lambda-code.c (gcd, gcd_vector): Removed.
11819 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11820 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11822 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11824 * ipa-type-escape.c: Tidy some comments and white space.
11825 * tree-ssa-operands.c: Likewise.
11827 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11830 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11831 (dump_decl_name): Do not walk the decl tree chains.
11832 * tree-pass.h (TDF_CHAIN): Remove.
11834 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11836 * Makefile.in (C): Remove
11838 (.PHONY): Remove C and PROTO
11840 2006-02-20 Roger Sayle <roger@eyesopen.com>
11842 PR middle-end/26236
11843 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11844 deprecated CHAR_TYPE tree code.
11846 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11848 * configure.ac (target_list): Add install-info, dvi, html.
11849 * configure: Regenerate.
11851 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11852 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11853 treelang/Make-lang.in: Do not use double-colon rules.
11855 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11857 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11858 (TMT_USED_ALONE): New macro.
11859 * tree-pass.h (PROP_tmt_usage): New property.
11860 (TODO_update_tmt_usage): New todo.
11861 * tree-ssa-alias.c (updating_used_alone): New variable.
11862 (recalculate_used_alone): New function.
11863 (compute_may_aliases): Set updating_used_alone, call
11864 recalculate_used_alone.
11865 * tree-sra.c (pass_sra): Note that this pass destroys
11866 PROP_tmt_usage, and add TODO_update_tmt_usage.
11867 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11868 * tree-flow.h (updating_used_alone): Prototype.
11869 (recalculate_used_alone): Ditto.
11870 * passes.c (execute_todo): Add code to set updating_used_alone,
11871 and call recalculate.
11872 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11873 for clobber if used alone, and add assert to verify used_alone
11876 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11878 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11879 for non tls symbols added.
11880 (legitimize_address): Do nothing for PLUS expressions if one of the
11881 addends is a tls symbol reference.
11883 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11887 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11889 * Makefile.in (BOOTSTRAPPING): New.
11890 (quickstrap): New definition if BOOTSTRAPPING=yes.
11892 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11893 * configure.ac: Substitute all_selected_languages with the languages
11894 that were configured. For all the other variables except
11895 lang_specs_files, include all the languages in the tree.
11896 * configure: Regenerate.
11898 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11899 if there is one. Run the commands to run fixincludes in the same
11902 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11903 * doc/install.texi: Document exact conventions for searching target tools.
11904 Document --with-build-time-tools. Document toplevel bootstrap. Document
11905 something more about building an Ada cross-compiler. Don't list GNU Make
11906 requirements which affect all platforms.
11908 2006-02-19 Roger Sayle <roger@eyesopen.com>
11910 PR middle-end/19543
11911 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11912 only equivalent if the have both the same mode and precision.
11914 2006-02-20 Ben Elliston <bje@au.ibm.com>
11916 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11918 2006-02-19 Roger Sayle <roger@eyesopen.com>
11919 Steven Bosscher <stevenb.gcc@gmail.com>
11921 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11922 constant pool references to identify stack mode constants.
11923 * rtlanal.c (constant_pool_constant_p): New predicate to check
11924 whether operand is a floating point constant in the pool.
11925 * rtl.h (constant_pool_constant_p): Prototype here.
11926 * loop.c (scan_loop): Avoid hoisting constants from the constant
11927 pool on STACK_REGS targets.
11928 (load_mems): Likewise.
11929 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11930 loads into x87 registers expensive in terms of register pressure.
11932 2006-02-19 Roger Sayle <roger@eyesopen.com>
11934 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11935 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11937 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11939 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11940 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11942 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11944 * doc/invoke.texi: Document -fipa-pta.
11945 * common.opt: Add ipa-pta option.
11946 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11947 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11948 (do_ds_constraint): Ditto.
11949 (get_constraint_for): Only add to referenced_vars if
11950 referenced_vars exists.
11951 (insert_into_field_list): Rewrite to do this unsorted.
11952 (insert_into_field_list_sorted): Rename old insert_into_field_list
11954 (create_function_info_for): Use insert_into_field_list_sorted.
11955 (create_variable_info_for): Rewrite so it uses unsorted version,
11956 since the field list is sorted.
11957 (intra_create_variable_infos): Only add to referenced_vars if
11958 referenced_vars exists.
11959 (ipa_pta_execute): Init heapvars, and delete when done.
11960 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11962 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11964 * doc/install.texi: Add missing `@samp'.
11966 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11968 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11971 2006-02-18 Mark Wielaard <mark@klomp.org>
11973 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11974 who added new 4.1 features, bug fixes and integration support.
11976 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11979 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11980 MEM for ABI_V4 pic.
11982 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11984 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11985 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11986 (copy_insn_1): Likewise. Don't copy each field individually.
11988 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11990 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11991 * rtl.c (rtx_size): Rename variable to...
11992 (rtx_code_size): ...this.
11993 (rtx_size): New function.
11994 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11995 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11997 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11998 * rtl.h (rtx_code_size): New variable.
11999 (rtx_size): Change from a variable to a function.
12000 (RTX_SIZE): Rename to...
12001 (RTX_CODE_SIZE): ...this.
12004 PR tree-optimization/17106
12005 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12006 (Anchored Addresses): New section.
12007 * doc/invoke.texi (-fsection-anchors): Document.
12008 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12009 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12010 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12011 * hooks.c (hook_bool_mode_rtx_false): New function.
12012 * hooks.h (hook_bool_mode_rtx_false): Declare.
12013 * gengtype.c (create_optional_field): New function.
12014 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12015 SYMBOL_REF_IN_BLOCK_P is true.
12016 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12017 (min_anchor_offset, max_anchor_offset): Likewise.
12018 (use_anchors_for_symbol_p): New hook.
12019 * toplev.c (compile_file): Call output_object_blocks.
12020 (target_supports_section_anchors_p): New function.
12021 (process_options): Check that -fsection-anchors is only used on
12022 targets that support it and when -funit-at-a-time is in effect.
12023 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12024 if the decl doesn't have one.
12025 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12026 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12027 of force_const_mem through use_anchored_address.
12028 (expand_expr_constant): New function.
12029 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12030 calling expand_expr for INDIRECT_REF.
12031 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12032 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12033 * expr.h (use_anchored_address): Declare.
12034 * loop-unroll.c: Don't declare rtx vectors here.
12035 * explow.c: Include output.h.
12036 (validize_mem): Call use_anchored_address.
12037 (use_anchored_address): New function.
12038 * common.opt (-fsection-anchors): New switch.
12039 * varasm.c (object_block_htab, anchor_labelno): New variables.
12040 (hash_section, object_block_entry_eq, object_block_entry_hash)
12041 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12042 (use_blocks_for_decl_p, change_symbol_section): New functions.
12043 (get_variable_section): New function, split out from assemble_variable.
12044 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12045 use_blocks_for_decl_p say so. Use change_symbol_section if the
12046 symbol has already been created.
12047 (assemble_variable_contents): New function, split out from...
12048 (assemble_variable): ...here. Don't output any code for
12049 block symbols; just pass them to place_block_symbol.
12050 Use get_variable_section and assemble_variable_contents.
12051 (get_constant_alignment, get_constant_section, get_constant_size): New
12052 functions, split from output_constant_def_contents.
12053 (build_constant_desc): Create a block symbol if use_object_blocks_p
12054 says so. Or into SYMBOL_REF_FLAGS.
12055 (assemble_constant_contents): New function, split from...
12056 (output_constant_def_contents): ...here. Don't output any code
12057 for block symbols; just pass them to place_section_symbol.
12058 Use get_constant_section and get_constant_alignment.
12059 (force_const_mem): Create a block symbol if use_object_blocks_p and
12060 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12061 (output_constant_pool_1): Add an explicit alignment argument.
12062 Don't switch sections here.
12063 (output_constant_pool): Adjust call to output_constant_pool_1.
12064 Switch sections here instead. Don't output anything for block symbols;
12065 just pass them to place_block_symbol.
12066 (init_varasm_once): Initialize object_block_htab.
12067 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12068 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12069 (place_block_symbol, get_section_anchor, output_object_block)
12070 (output_object_block_htab, output_object_blocks): New functions.
12071 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12072 (TARGET_ASM_OUT): Include it.
12073 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12074 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12075 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12076 (TARGET_INITIALIZER): Include them.
12077 * rtl.c (rtl_check_failed_block_symbol): New function.
12078 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12079 (block_symbol, object_block): New structures.
12080 (rtx_def): Add a block_symbol field to the union.
12081 (BLOCK_SYMBOL_CHECK): New macro.
12082 (rtl_check_failed_block_symbol): Declare.
12083 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12084 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12085 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12086 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12087 * output.h (output_section_symbols): Declare.
12088 (object_block): Name structure.
12089 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12090 (default_use_anchors_for_symbol_p): Declare.
12091 * Makefile.in (RTL_BASE_H): Add vec.h.
12092 (explow.o): Depend on output.h.
12093 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12094 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12095 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12096 (rs6000_use_blocks_for_constant_p): New function.
12098 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12100 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12102 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12105 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12108 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12110 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12114 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12116 PR middle-end/26334
12117 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12118 instead of DECL_REGISTER.
12120 2006-02-18 Olivier Hainque <hainque@adacore.com>
12123 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12125 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12128 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12129 * opth-gen.awk: Handle Var and InverseMask together.
12130 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12131 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12132 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12133 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12135 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12136 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12137 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12138 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12139 LINUX_DYNAMIC_LINKER): Define.
12140 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12141 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12143 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12144 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12145 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12146 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12147 (TARGET_C99_FUNCTIONS): Don't define.
12148 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12149 GLIBC_DYNAMIC_LINKER.
12150 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12151 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12152 GLIBC_DYNAMIC_LINKER64): Define.
12153 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12154 LINUX_DYNAMIC_LINKER64.
12155 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12156 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12157 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12158 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12159 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12160 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12161 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12162 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12163 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12164 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12165 and LINUX_DYNAMIC_LINKER32.
12166 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12167 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12168 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12169 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12170 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12172 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12173 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12174 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12175 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12176 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12177 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12178 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12179 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12180 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12181 LINUX_DYNAMIC_LINKER): Define.
12182 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12183 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12184 GLIBC_DYNAMIC_LINKER64): Define.
12185 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12186 LINUX_DYNAMIC_LINKER64.
12187 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12188 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12189 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12190 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12191 LINUX_DYNAMIC_LINKER): Define.
12192 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12193 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12194 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12195 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12196 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12197 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12198 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12199 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12200 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12201 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12202 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12203 * doc/invoke.texi (-muclibc): Remove caveat about supported
12206 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12208 * doc/cpp.texi (__TIMESTAMP__): Document.
12210 2006-02-17 Roger Sayle <roger@eyesopen.com>
12212 PR middle-end/25600
12213 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12214 C is one less than the width of X (and related transformations).
12215 * simplify-rtx.c (simplify_unary_operation_1): Transform
12216 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12217 depending on STORE_FLAG_VALUE, were C is one less then the
12220 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12222 Fix PR tree-optimization/26341
12223 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12224 about NAME_MEMORY_TAG's.
12226 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12229 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12230 with hardware float support, and software float support. Add fcpy
12231 alternative to hardware patterns. Add alternatives to copy between
12232 general and floating-point registers to the 32-bit pattern.
12233 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12234 secondary reload to load a QI or HI mode constant into a floating
12236 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12237 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12239 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12242 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12244 (load_macho_picbase_di): Likewise.
12246 2006-02-16 Jeff Law <law@redhat.com>
12248 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12249 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12250 (ssa_name_nonzero_p): Likewise.
12251 (get_value_range): Return NULL if VRP is not running.
12252 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12253 VRP routines do not discover a range.
12254 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12255 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12256 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12257 (tree_expr_nonnegative_p): Similarly.
12258 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12259 (restore_nonzero_vars_to_original_value): Remove.
12260 (unsafe_associative_fp_binop): Remove.
12261 (tree_ssa_dominator_optimize): Remove initialization and
12262 finalization of nonzero_vars and nonzero_vars_stack.
12263 (dom_opt_initialize_block): No longer push marker on
12264 nonzero_vars_stack.
12265 (dom_opt_finalize_block): No longer call
12266 restore_nonzero_vars_to_original_value.
12267 (record_equivalences_from_phis): No longer look for
12268 nonzero PHI arguments.
12269 (cprop_into_successor_phis): No longer propagate nonzero
12270 property into PHI arguments. Lose unused argument. Caller
12272 (record_equivalences_from_stmt): No longer record nonzero
12273 values for SSA_NAMEs.
12274 (lookup_avail_expr): No longer use nonzero_vars.
12276 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12277 for sizetype when sizetype is unsigned.
12279 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12281 PR rtl-optimization/25603
12282 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12283 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12284 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12285 with new meaning of SETS.
12287 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12292 * config/linux.opt: New file.
12293 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12294 LINUX_DYNAMIC_LINKER): Define.
12295 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12296 * config.gcc (*-*-linux*): Define extra_options.
12297 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12298 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12299 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12300 GLIBC_DYNAMIC_LINKER.
12301 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12302 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12303 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12304 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12305 * doc/invoke.texi (GNU/Linux Options): New section.
12307 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12309 * config/sparc/sparc.md (setjmp): Rewrite.
12310 (setjmp_32): Delete.
12311 (setjmp_64): Likewise.
12313 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12315 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12318 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12320 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12323 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12325 PR rtl-optimization/26296
12326 * Makefile.in (loop-invariant.c): Add except.h dependency.
12327 * loop-invariant.c: Include except.h.
12328 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12330 2005-02-16 Paul Brook <paul@codesourcery.com>
12332 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12335 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12337 PR rtl-optimization/25636
12338 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12339 when deciding whether an insn is an initializing insn.
12341 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12343 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12344 (tree_code_size): Ditto.
12345 * tree.h (struct tree_memory_tag): Remove parent_var.
12346 (struct tree_struct_field_tag): New.
12349 (union tree_node): Add sft member.
12350 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12352 (create_sft): Add size and offset argument, set SFT_OFFSET and
12354 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12355 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12356 * tree-flow-inline.h (get_subvar_at): Update for
12357 SFT_OFFSET/SFT_SIZE.
12358 (var_can_have_subvars): Ditto.
12359 (overlap_subvar): Ditto.
12360 * print-tree.c (print_node): Print out interesting things for
12362 * tree-flow.h (struct subvar): Remove offset and size members.
12363 * tree-ssa-operands.c (get_expr_operands): Update for
12364 get_indirect_ref_operands changes.
12365 (get_indirect_ref_operands): Call add_virtual_operand instead of
12366 add_stmt_operand. Only recurse on base var if requested.
12367 (access_can_touch_variable): New function.
12368 (add_stmt_operand): Split virtual operand handling into ...
12369 (add_virtual_operand): Here. Add offset, size, and for_clobber
12370 arguments. Prune alias sets.
12371 (add_call_clobber_ops): Call add_virtual_operand.
12373 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12375 PR middle-end/26300
12376 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12378 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12379 than TREE_CODE as index into omp_clause_num_ops array.
12381 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12383 PR rtl-optimization/26184
12384 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12386 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12387 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12388 must_precede, must_follow and tobe_scheduled.
12391 * opts.c (common_handle_option): Free new_option pointer.
12392 * df-core.c (df_analyze): Free postorder pointer.
12394 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12396 * Makefile.in: Fix the examples about the use of stamps
12398 2006-02-15 Michael Matz <matz@suse.de>
12400 PR middle-end/22275
12402 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12403 influenced by maximum_field_alignment or DECL_PACKED.
12404 (update_alignment_for_field): Ditto.
12405 (place_field): Ditto.
12406 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12409 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12411 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12412 (debug_flow_info): Pass it.
12413 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12414 * bb-reorder.c (reorder_basic_blocks): Likewise.
12415 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12416 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12417 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12418 * gcse.c (gcse_main, bypass_jumps): Likewise.
12419 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12420 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12421 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12422 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12423 * rtl.h (dump_flow_info): Adjust prototype.
12424 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12425 * var-tracking.c (variable_tracking_main): Likewise.
12426 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12427 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12430 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12432 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12435 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12437 PR tree-optimization/26209
12438 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12439 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12441 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12443 2006-02-14 Roger Sayle <roger@eyesopen.com>
12445 PR middle-end/23670
12446 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12447 (X,Y) and the corresponding symmetry related transformations.
12448 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12449 (X,Y) and its symmetry related transformations.
12451 2006-02-14 Roger Sayle <roger@eyesopen.com>
12453 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12456 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12458 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12460 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12463 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12464 support COMDAT group.
12465 * configure: Regenerate.
12467 2006-02-14 Roger Sayle <roger@eyesopen.com>
12469 PR middle-end/26279
12470 PR middle-end/26280
12471 PR middle-end/26283
12472 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12474 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12476 Fix PR tree-optimization/26260
12478 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12480 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12481 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12482 * tree-ssa-structalias.c (create_variable_info_for): Use
12483 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12485 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12487 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12489 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12490 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12491 of the ending condition.
12492 * tree-ssa-loop-manip.c: Include params.h.
12493 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12494 tree_unroll_loop): New functions.
12495 * tree-pass.h (pass_loop_prefetch): Declare.
12496 * loop.c (rest_of_handle_loop_optimize): Test for
12497 -fprefetch-loop-arrays-rtl.
12498 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12499 * timevar.def (TV_TREE_PREFETCH): New timevar.
12500 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12501 pass_loop_prefetch): New.
12502 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12503 (cleanup_tree_cfg_loop): Call scev_reset.
12504 * common.opt (fprefetch-loop-arrays-rtl): Add.
12505 * tree-ssa-loop-prefetch.c: New file.
12506 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12507 (new_temp_expr_table): Initialize expr_vars.
12508 (free_temp_expr_table): Cleanup expr_vars.
12509 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12510 expressions from being merged into one.
12511 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12512 (struct tree_niter_desc): Add control, bound and cmp fields.
12513 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12515 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12516 (tree-cfgcleanup.o): Add SCEV_H dependency.
12517 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12518 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12520 2006-02-14 Richard Guenther <rguenther@suse.de>
12522 PR tree-optimization/26258
12523 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12524 in PHI argument processing.
12526 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12528 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12529 new expression in the requested machine mode.
12531 2006-02-13 Roger Sayle <roger@eyesopen.com>
12533 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12534 directly, instead let do_compare_rtx_and_jump handle this for us.
12535 * expr.c (expand_expr_real_1): Likewise.
12536 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12537 before do_jump_by_parts_greater.
12538 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12539 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12541 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12543 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12545 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12547 PR rtl-optimization/26235
12548 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12549 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12552 2006-02-13 Jeff Law <law@redhat.com>
12554 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12557 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12559 PR middle-end/26092
12560 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12561 twice if decl is a builtin. When trying again, call get_callee_fndecl
12562 first to verify it is still a builtin.
12564 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12566 * dwarf2out.c (base_type_die): Don't add AT_name here.
12567 (subrange_type_die): Don't add AT_name here.
12568 (modified_type_die): Rearrange code flow. Do add AT_name here.
12570 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12572 PR rtl-optimization/26247
12573 PR rtl-optimization/26248
12574 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12576 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12578 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12579 * config/fixtfdi.c: Likewise.
12580 * config/fixunstfdi.c: Likewise.
12581 * config/floatditf.c: Likewise.
12583 2006-02-13 Roger Sayle <roger@eyesopen.com>
12585 PR middle-end/24427
12586 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12587 into (X,C2) if C1 is a subset of the bits of C2. Transform
12588 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12590 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12592 2006-02-13 Josh Conner <jconner@apple.com>
12595 * varasm.c (function_section): Check for section name before
12596 calling select_section on targets that define
12597 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12598 unlikely_text_section instead of hot_function_section if
12599 first_function_block_is_cold.
12601 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12603 PR middle-end/25335
12604 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12606 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12608 PR rtl-optimization/26222
12609 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12610 after tree->rtl expansion.
12611 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12612 before passing it to emit_move_insn.
12614 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12616 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12618 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12619 Clarify documentation.
12620 * c-common.h (warn_write_strings): Remove.
12621 * c-common.c (warn_write_strings): Likewise.
12622 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12625 2006-02-12 Roger Sayle <roger@eyesopen.com>
12627 PR middle-end/25724
12628 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12629 (do_jump_parts_zero_rtx): New function renamed from
12630 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12631 (do_jump_parts_equality_rtx): New function split out from
12632 do_jump_parts_equality. Old implementation renamed as above.
12633 Call do_jump_parts_zero_rtx if either operand is zero.
12634 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12635 do all of the heavy lifting.
12636 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12637 calling either do_jump_by_parts_greater_rtx or
12638 do_jump_by_parts_equality_rtx.
12639 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12640 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12641 moved to do_compare_rtx_and_jump, call it directly.
12642 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12643 mode argument. Call do_compare_rtx_and_jump.
12644 (emit_case_nodes): Update calls to do_jump_if_equal.
12646 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12648 PR rtl-optimization/26225
12649 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12651 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12653 PR rtl-optimization/26232
12654 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12656 2006-02-11 Jason Merrill <jason@redhat.com>
12659 * tree-inline.c (declare_return_variable): Just don't use the
12660 modify target if it's a gimple complex reg and the return slot
12663 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12665 * doc/contrib.texi: Update my entry.
12667 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12669 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12671 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12673 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12676 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12678 * doc/invoke.texi (-floop-optimize2): Removed.
12679 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12680 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12681 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12682 * common.opt (floop-optimize2): Removed.
12683 (fmove-loop-invariants): Enabled by default.
12685 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12687 * tree-if-conv.c (combine_blocks): Free the result of
12688 get_loop_exit_edges.
12690 2006-02-10 Jeff Law <law@redhat.com>
12692 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12694 PR tree-optimization/26213
12695 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12696 loop trying to follow SSA_NAME_VALUE chains.
12698 2006-02-10 Richard Guenther <rguenther@suse.de>
12700 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12701 deal with structures that end in implicitly variable sized arrays.
12703 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12705 PR rtl-optimization/24762
12706 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12709 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12711 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12712 (struct ivopts_data): Add regs_used field.
12713 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12714 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12715 instead of loop_data->regs_used;
12716 (free_loop_data): Do not free aux fields for loops.
12717 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12718 and tree_ssa_iv_optimize_finalize.
12720 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12722 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12724 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12727 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12728 computing the effective result type.
12730 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12732 PR inline-asm/16194
12733 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12734 (tree_overlaps_hard_reg_set): Declare.
12735 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12736 type and signature to match function type expected by walk_tree.
12737 (tree_overlaps_hard_reg_set): New function.
12738 (decl_conflicts_with_clobbers_p): Rename to:
12739 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12740 Use tree_overlaps_hard_reg_set. Changed caller.
12741 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12742 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12743 * cris.c (cris_md_asm_clobbers): Likewise.
12745 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12747 * reload1.c (emit_input_reload_insns): Delete code that tries to
12748 inherit using find_equiv_reg.
12750 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12752 * c-common.h (flag_const_strings): Don't declare.
12753 * c-common.c (flag_const_strings): Remove.
12754 * c.opt (fconst_strings): Remove.
12755 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12756 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12757 (c_common_init_options): Don't set flag_const_strings.
12758 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12760 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12762 * arm.md (tlobits_cbranch): New pattern.
12763 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12764 testing a single bit.
12766 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12769 * tree-ssa-pre.c (create_component_ref_by_pieces):
12770 Handle RETURN_DECL like VAR_DECL.
12772 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12774 PR middle-end/26134
12775 * fold-const.c (fold_indirect_ref_1): Fold
12776 "*(foo *)&complexfoo" to "__real__ complexfoo"
12777 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12779 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12781 * tree-flow-inline.h (var_can_have_subvars):
12782 Volatile variables should not have subvariables.
12784 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12787 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12788 multiplying unsigned values.
12791 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12793 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12795 2006-02-08 Jason Merrill <jason@redhat.com>
12798 * tree.def: Elaborate on difference from MODIFY_EXPR.
12799 * doc/c-tree.texi (INIT_EXPR): Likewise.
12800 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12801 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12802 (gimplify_target_expr): Likewise.
12803 (gimplify_cond_expr): Remove target handling.
12804 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12805 (gimplify_expr): Clobber it here.
12806 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12807 Do return slot optimization if we have an INIT_EXPR.
12810 * tree-inline.c (declare_return_variable): Also clear
12811 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12814 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12816 PR middle-end/22439
12817 * gimplify.c (gimplify_one_sizepos): Fix typo.
12819 2006-02-08 Jeff Law <law@redhat.com>
12821 PR tree-optimization/21417
12822 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12823 across a backedge if the control statement at the end of the
12824 block is data dependent on other statements in the same block.
12825 (record_temporary_equivalences_from_stmts): Remove over-conservative
12826 test for threading across backedges.
12828 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12829 control statement, handle all three special cases in the same
12830 manner as they all have the same desired solution. No longer
12831 special case edge flag updating when the post dominator is
12834 2006-02-08 Roger Sayle <roger@eyesopen.com>
12836 * tree.def (CHAR_TYPE): Remove.
12837 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12838 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12839 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12840 (gen_string_type_die): Delete unreachable function.
12842 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12843 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12844 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12845 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12846 * builtins.c (type_to_class): Likewise.
12847 * fold-const.c (fold_convert, build_range_check,
12848 merge_ranges): Likewise.
12849 * expr.c (count_type_elements): Likewise.
12850 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12851 * stor-layout.c (layout_type): Likewise.
12852 * ipa-type-escape.c (type_to_consider): Likewise.
12853 * gimplify.c (omp_firstprivatize_type_sizes,
12854 gimplify_type_sizes): Likewise.
12855 * explow.c (promote_mode): Likewise.
12856 * tree-sra.c (is_sra_scalar_type): Likewise.
12857 * varasm.c (output_constant): Likewise.
12858 * tree-inline.c (remap_type_1): Likewise.
12859 * convert.c (convert_to_pointer, convert_to_real,
12860 convert_to_integer, convert_to_complex): Likewise.
12862 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12864 * df-scan.c (df_def_record_1): A set destination may
12865 be a parallel regardless of mode.
12867 2006-02-08 Roger Sayle <roger@eyesopen.com>
12870 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12871 * config/mips/_tilib.c: Remove.
12872 * config/fixtfdi.c: New libgcc source file.
12873 * config/fixunstfdi.c: New source file.
12874 * config/floatditf.c: New source file.
12875 * config/floatunditf.c: New souce file.
12876 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12877 files above instead of config/mips/_tilib.c.
12878 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12880 2006-02-08 Jeff Law <law@redhat.com>
12882 PR tree-optimization/26169
12883 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12886 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12888 * df.h (DF_REG_SIZE): Return the length of the initialized
12891 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12893 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12894 __muldf3): Return a correctly signed zero.
12896 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12898 * passes.c (register_one_dump_file): Accept the current properties
12899 instead of pass number. Adjust call to dump_register. Remove
12901 (register_dump_files): Now a wrapper around...
12902 (register_dump_files_1): ... this one. Do not modify the pass
12904 (next_pass_1): Cosmetic fix.
12905 (execute_todo): Keep second parameter only. Use curr_properties
12906 instead of fetching it from the pass structure. Check and set
12908 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12909 instead of fetching it from the pass structure. Fix calls to
12910 execute_todo. Update curr_properties and initialize .vcg RTL dump
12911 after running the pass. Reset last_verified.
12912 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12914 (FIRST_AUTO_NUMBERED_DUMP): New.
12915 (dump_register): Remove "num" parameter, assign it within the
12917 (get_dump_file_name): Modify template for dumps.
12918 * tree-dump.h (dump_register): Adjust prototype.
12919 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12920 (PROP_trees): Add PROP_gimple_lomp.
12921 (TODO_set_props): New.
12922 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12923 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12924 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12926 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12928 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12929 (sparc64-*-linux*): Likewise.
12930 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12931 * config/sparc/t-linux: New file.
12932 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12933 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12934 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12935 -m32 -mlong-double-128.
12937 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12938 * config/alpha/t-linux: New file.
12939 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12941 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12942 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12943 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12944 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12945 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12946 (CPP_ARCH32_SPEC): Remove.
12948 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12950 PR tree-optimization/26145
12951 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12954 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12957 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12958 >= 240000 when generating code for SOM runtime.
12959 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12960 to $$dyncall when generating code for SOM runtime..
12962 2006-02-07 Dirk Mueller <dmueller@suse.com>
12965 * doc/invoke.texi (-Wsequence-point): Update documentation
12966 that -Wsequence-point is implemented for C++ as well.
12968 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12970 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12971 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12972 (LIB_SPEC): Likewise.
12973 * doc/invoke.texi (SPARC options): Document -pthread.
12975 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12977 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12980 2006-02-07 Roger Sayle <roger@eyesopen.com>
12982 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12983 Correct comment describing BOOLEAN_TYPE.
12985 2006-02-07 Dirk Mueller <dmueller@suse.com>
12987 * c.opt: C++ frontend supports -Wdiv-by-zero.
12988 * c-opts.c (c_common_handle_option): Remove dead case.
12990 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12992 * configure.ac (TLS assembler check): Do not enable TLS by
12993 default on SPARC/Solaris before version 10.
12994 * configure: Regenerate.
12996 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12998 * doc/invoke.texi (xl-compat): Document conversion and support
13001 2006-02-07 Jeff Law <law@redhat.com>
13003 * tree-vrp.c (find_conditional_asserts): Update comments.
13004 (simplify_stmt_for_jump_threading): New.
13005 (identify_jump_threads, finalize_jump_threads): New.
13006 (vrp_finalize): Call identify_jump_threads.
13007 (execute_vrp): Call finalize_jump_threads.
13008 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13009 (vrp_element, vrp_data, vrp_element_p): Remove.
13010 (vrp_hash_elt, vrp_variables_stack): Remove.
13011 (vrp_hash, vrp_eq, record_range): Remove.
13012 (simplify_cond_and_lookup_avail_expr): Remove.
13013 (extract_range_from_cond): Remove.
13014 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13015 (simplify_stmt_for_jump_threading): New.
13016 (dom_thread_across_edge): New wrapper.
13017 (tree_ssa_dominator_optimize): No longer initialize or
13018 finalize any of the VRP datastructures. Remove iteration
13019 step and simplify as a result of removal of iteration step.
13020 (pass_dominator): Perform a cfg cleanup after DOM.
13021 (dom_opt_finalize_block): Use the new common routines
13022 for threading jumps. Simplify stack management slightly.
13023 No longer need to unwind VRP state.
13024 (record_equivalences_from_incoming_edge): No longer record
13026 (eliminate_redundant_computations): No longer call
13027 simplify_cond_and_lookup_avail_expr.
13028 * tree-flow.h (potentially_threadable_block): Prototype.
13029 (thread_across_edge): Likewise.
13030 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13031 (tree-ssa-threadedge.o): Add dependencies.
13032 * tree-ssa-threadedge.c: New file.
13033 * passes.c (init_optimization_passes): Merge PHIs before
13034 calling VRP. Run VRP again late in the SSA optimization pipeline.
13036 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13038 * df-core.c (df_set_blocks): Do not dereference function pointers.
13039 (df_finish1): Likewise.
13040 (df_hybrid_search_forward): Likewise.
13041 (df_hybrid_search_backward): Likewise.
13042 (df_iterative_dataflow): Likewise.
13043 (df_analyze_problem): Likewise.
13044 (df_compact_blocks): Likewise.
13045 (df_dump): Likewise.
13046 * df-scan.c (df_rescan_blocks): Likewise.
13047 (df_record_entry_block_defs): Likewise.
13049 * genconditions.c (write_conditions): Guard the definition of
13050 'insn_conditions' with the check on GCC version.
13051 (write_writer): Guard the traversal 'insn_conditions' with
13052 the check on GCC version.
13054 2006-02-07 Richard Guenther <rguenther@suse.de>
13058 2006-01-30 Richard Guenther <rguenther@suse.de>
13060 * gimplify.c (gimplify_target_expr): Handle easy cases
13061 without creating a temporary.
13063 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13065 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13066 use of float in probability computations. Use edge probabilities
13067 in place of statically computed probabilities.
13068 (min_spec_prob): New static variable.
13069 (schedule_insns): Initialize it.
13070 (GET_SRC_PROB): Removed.
13071 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13073 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13076 * config/ia64/unwind-ia64.c: Revert last change.
13077 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13078 (INCOMING_FRAME_SP_OFFSET): Define.
13080 2006-02-06 Roger Sayle <roger@eyesopen.com>
13082 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13084 2006-02-07 Ben Elliston <bje@au.ibm.com>
13086 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13087 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13088 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13089 (ix86_return_in_memory): Handle TDmode.
13090 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13091 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13093 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13095 * reorg.c (dbr_schedule): Use dump_file instead of file.
13097 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13100 * config/ia64/predicates.md (extr_len_operand): New predicate.
13101 * config/ia64/ia64.md (extv): Tighten constraints.
13103 (*tbit_and_2): Ditto.
13104 (*tbit_and_3): Ditto.
13105 (*tbit_or_2): Ditto.
13106 (*tbit_or_3): Ditto.
13107 (*bit_zero): Ditto.
13110 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13113 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13115 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13117 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13118 loop_optimizer_init and loop_optimizer_finalize
13119 * tree-ssa-sink.c (execute_sink_code): Ditto.
13120 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13121 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13122 tree_ssa_loop_done): Ditto.
13123 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13124 * sched-ebb.c: Include output.h.
13125 (schedule_ebbs): Do not use dump argument.
13126 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13127 * loop.c (loop_dump_stream): Removed.
13128 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13130 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13131 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13132 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13133 loop_iterations, strength_reduce, record_biv, record_giv,
13134 final_giv_value, check_final_value, check_ext_dependent_givs,
13135 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13136 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13137 dump_file instead of loop_dump_stream.
13138 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13139 argument dump_file.
13140 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13142 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13143 * haifa-sched.c: Include output.h
13144 (schedule_insns, sched_init): Do not use dump argument.
13145 * mode-switching.c (optimize_mode_switching): Ditto.
13146 * modulo-sched.c (stats_file): Removed.
13147 (print_node_sched_params): Do not call argument dump_file.
13148 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13149 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13151 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13153 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13154 rtl_loop_init, rtl_loop_done): Ditto.
13155 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13156 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13158 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13159 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13160 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13161 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13162 * emit-rtl.c (renumber_insns): Ditto.
13163 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13164 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13165 * regclass.c (regclass): Ditto.
13166 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13167 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13168 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13169 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13171 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13172 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13174 * gcse.c (gcse_file, debug_stderr): Removed.
13175 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13176 rest_of_handle_gcse): Do not use dump argument.
13177 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13178 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13179 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13180 compute_code_hoist_vbeinout, compute_code_hoist_data,
13181 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13182 compute_store_table, build_store_vectors, insert_insn_start_bb,
13183 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13184 store_motion): Use dump_file instead of gcse_file.
13185 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13186 * profile.c (profile_dump_file): Removed.
13187 (branch_prob): Use dump_file instead of profile_dump_file.
13188 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13190 * tree-ssa-copy.c (dump_copy_of): Ditto.
13191 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13192 dump file to life_analysis.
13193 * bt-load.c (branch_target_load_optimize): Ditto.
13194 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13196 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13197 regclass, dbr_schedule): Declaration changed.
13198 * sched-int.h (sched_init): Declaration changed.
13199 * tree-profile.c (tree_profile_dump_file): Removed.
13200 (tree_profile_hooks): Removed profile_dump_file hook.
13201 * rtl-profile (rtl_profile_dump_file): Removed.
13202 (rtl_profile_hooks): emoved profile_dump_file hook.
13203 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13205 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13206 * tree-cfg.c (build_tree_cfg): Ditto.
13207 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13208 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13209 Declaration changed.
13210 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13211 life_analysis and schedule_insns.
13212 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13214 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13216 * config/mips/mips.c (mips_reorg): Ditto.
13217 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13220 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13222 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13223 (s390_mangle_fundamental_type): New.
13224 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13227 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13228 (alpha_mangle_fundamental_type): New.
13229 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13232 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13234 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13236 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13237 (sparc_mangle_fundamental_type): New.
13239 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13241 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13242 (s390x-*-linux*): Likewise.
13243 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13244 * config/s390/t-linux: New file.
13246 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13248 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13249 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13251 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13253 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13254 (ANTIC_SAFE_LOADS): New macro.
13255 (find_or_generate_expression): Add prototype.
13256 (set_contains_value): Allow null set for sake of not always having
13257 to allocate ANTIC_SAFE_LOADS.
13258 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13259 Allow COMPONENT_REF too.
13260 (valid_in_set): Allow COMPONENT_REF.
13261 Check ANTIC_SAFE_LOADS too.
13262 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13263 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13265 (can_PRE_operation): Add COMPONENT_REF.
13266 (create_component_ref_by_pieces): New function.
13267 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13268 (insert_aux): Move AGGREGATE_TYPE_P check here.
13269 (compute_avail): Set bb local stmt uids.
13270 (pass_pre): Use TODO_update_ssa_only_virtuals.
13272 2006-02-06 Ben Elliston <bje@au.ibm.com>
13274 * configure.ac: Unconditionally disable decimal float by default.
13275 * configure: Regenerate.
13277 2006-02-06 Ben Elliston <bje@au.ibm.com>
13279 * read-rtl.c (read_name): Terminate reading on EOF.
13281 2006-02-06 Ben Elliston <bje@au.ibm.com>
13283 * dfp.c (decimal_real_arithmetic): Change second argument type
13284 from int to enum tree_code. Do not always return true, but now
13285 return result of any call to decimal_do helper functions.
13286 * dfp.h (decimal_real_arithmetic): Update prototype.
13288 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13290 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13292 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13295 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13298 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13300 * tree-vrp.c (cfg_loops): Removed.
13301 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13302 Use current_loops instead of cfg_loops. Pass flags to
13303 loop_optimizer_init.
13304 * cfgloopmanip.c (fix_loop_structure): Update only available
13306 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13307 loop_optimizer_init.
13308 * modulo-sched.c (build_loops_structure): Removed.
13309 (sms_schedule): Use loop_optimizer_init.
13310 * loop-init.c (loop_optimizer_init): Use flags to determine
13311 which properties of loops to prepare.
13312 (rtl_loop_init): Pass flags to loop_optimizer_init.
13313 * tree-ssa-sink.c (execute_sink_code): Ditto.
13314 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13315 * tree-ssa-pre.c (init_pre): Ditto.
13316 * cfgloop.h (LOOPS_NORMAL): New.
13317 (loop_optimizer_init): Declaration changed.
13319 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13321 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13322 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13324 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13326 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13328 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13329 * pa/t-pa64: Delete quadlib.c rule.
13330 * pa/x-ada: Revert last change.
13331 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13333 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13335 PR rtl-optimization/26087
13336 * rtlanal.c (canonicalize_condition): Do not cross basic block
13339 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13342 * config/ia64/ia64.c: Include debug.h.
13343 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13344 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13345 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13346 (process_epilogue, process_set, process_for_unwind_directive):
13347 Output unwind info only if requested. Add CFA info if requested.
13348 Add new arguments as needed. Adjust callers.
13349 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13351 (DWARF2_FRAME_INFO): Define to zero.
13352 * config/ia64/unwind-ia64.c: Remove code that compensated for
13353 the CFA offset error fixed above.
13354 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13355 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13356 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13357 -funwind-tables and -fexceptions to enable frame info.
13358 (dwarf2out_frame_init): Define initial CFA even if
13359 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13360 DWARF2_UNWIND_INFO is nonzero, not just defined.
13361 (dwarf2out_frame_finish): Output non-EH call frame info only
13362 if DWARF2_FRAME_INFO is nonzero.
13363 (convert_cfa_to_loc_list,
13364 compute_frame_pointer_to_cfa_displacement): Define even if
13365 unwind info is not supported.
13366 (gen_subprogram_die): Use the above unconditionally. Remove
13367 legacy alternate code.
13368 * toplev.c (compile_file): Compile in call to
13369 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13370 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13372 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13373 Jakub Jelinek <jakub@redhat.com>
13375 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13376 IBM extended float format long double as "g" on powerpc*-linux.
13378 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13381 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13382 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13384 2006-02-03 Jason Merrill <jason@redhat.com>
13387 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13389 PR middle-end/25977
13390 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13391 on the return slot if it's an NRV.
13393 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13395 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13396 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13397 rewrite_use): Do not handle USE_OUTER.
13398 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13399 add_iv_outer_candidates, may_replace_final_value,
13400 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13401 (find_interesting_uses_op): Functionality of
13402 find_interesting_uses_outer_or_nonlin moved here.
13403 (find_interesting_uses_outside): Use find_interesting_uses_op.
13405 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13408 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13410 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13411 Ulrich Weigand <uweigand@de.ibm.com>
13414 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13415 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13416 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13417 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13419 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13420 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13421 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13422 Define secondary reloads for TFmode moves.
13423 (constant_modes): Add TFmode.
13424 (NR_C_MODES): Set to 8.
13425 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13427 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13428 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13429 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13430 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13431 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13432 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13433 (FPR mode macro): Add TFmode.
13434 (DSF mode macro): New.
13435 (<de>, <dee> mode attributes): Removed.
13436 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13437 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13438 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13439 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13440 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13441 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13442 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13443 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13444 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13445 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13446 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13447 "*negabs<mode>2", "sqrt<mode>2"):
13448 Changed <de> to <xde>. R constraint replaced by <Rf>.
13449 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13451 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13452 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13453 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13455 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13456 "extenddftf2", "extendsftf2"): New expanders.
13457 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13458 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13459 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13460 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13462 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13463 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13464 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13465 __floatditf): Add a GCC_4.1.0 symbol version tag.
13466 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13469 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13472 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13473 Use targetm.binds_local_p instead of TREE_PUBLIC.
13475 2006-02-02 Roger Sayle <roger@eyesopen.com>
13477 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13478 on INTEGER_TYPEs to indicate that it denotes a character type.
13479 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13480 signed_char_type_node, unsigned_char_type_node and char_type_node.
13481 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13482 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13483 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13485 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13486 Daniel Berlin <dberlin@dberlin.org>
13488 * tree-tailcall.c (arg_needs_copy_p): New function.
13489 (eliminate_tail_call): Use arg_needs_copy_p.
13490 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13491 (add_virtual_phis): New function.
13493 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13495 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13496 #ignore instead of #scratch for %g7 .register directive.
13498 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13500 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13503 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13505 * flow.c (calculate_global_regs_live): Assert that there aren't any
13508 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13510 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13511 what its name says.
13512 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13513 bsi_after_labels iterator.
13514 * tree-if-conv.c (find_phi_replacement_condition,
13515 replace_phi_with_cond_modify_expr): Likewise.
13516 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13517 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13519 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13521 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13523 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13526 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13527 array after growing it.
13529 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13531 PR middle-end/24901
13532 * fold-const.c (fold_checksum_tree): Change type of buf.
13534 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13536 * reload.c (push_secondary_reload): Initialize t_icode.
13538 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13540 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13541 -msoft-float -mlong-double-128 only issue a warning, but don't
13542 swich to DFmode long double.
13544 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13546 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13547 has a constant equivalent, iterate over equivalents for arg0,
13548 calling simplify_relational_operation and if there's a result
13549 cheaper than X, apply fold_rtx and return the result.
13551 2006-02-01 Jan Hubicka <jh@suse.cz>
13553 * opts.c (no_unit_at_a_time_default): New global variable.
13554 (decode_options): Use it.
13555 * opts.h (no_unit_at_a_time_default): Declare.
13557 2006-02-01 Paul Brook <paul@codesourcery.com>
13559 * function.c (assign_parm_setup_reg): Use function argument promotion
13561 * expr.c (expand_expr_real_1): Use function argument promotion rules
13564 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13566 * gcc.c (process_command): Change j to 'unsigned int'.
13568 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13570 PR middle-end/26001
13571 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13572 Use the corrected index for the character
13573 out of the string constant.
13575 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13577 * mode-switching.c (optimize_mode_switching): Fix size
13578 allocated for bb_info[n_entities].
13580 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13582 * gcc.c (main): Correct type that is allocated for
13583 explicit_link_files.
13585 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13587 * config/s390/s390.c (init_alignment_context): Set
13588 ALIAS_SET_MEMORY_BARRIER on the MEM.
13589 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13591 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13593 PR middle-end/25933
13594 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13596 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13599 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13601 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13602 * regrename.c: Ditto.
13603 * tree-ssa-loop-im.c: Ditto.
13604 * tree-dump.c: Ditto.
13605 * tree-complex.c: Ditto.
13606 * genrecog.c: Ditto.
13607 * tree-ssa-threadupdate.c: Ditto.
13609 * java/class.c: Ditto.
13610 * java/jcf-parse.c: Ditto.
13611 * java/resource.c: Ditto.
13612 * java/except.c: Ditto.
13613 * java/jvspec.c: Ditto.
13614 * java/jcf-write.c: Ditto.
13615 * java/jcf-path.c: Ditto.
13616 * java/gjavah.c: Ditto.
13617 * java/zextract.c: Ditto.
13618 * java/jcf-io.c: Ditto.
13619 * java/jcf.h: Ditto.
13620 * java/buffer.c: Ditto.
13621 * java/lang.c: Ditto.
13622 * java/parse-scan.y: Ditto.
13623 * java/lex.c: Ditto.
13624 * java/lex.h: Ditto.
13625 * cfgloopmanip.c: Ditto.
13626 * postreload-gcse.c: Ditto.
13627 * tree-ssa-loop-manip.c: Ditto.
13628 * postreload.c: Ditto.
13629 * tree-ssa-loop-ch.c: Ditto.
13632 * cppspec.c: Ditto.
13633 * diagnostic.c: Ditto.
13635 * genoutput.c: Ditto.
13637 * cfghooks.c: Ditto.
13638 * cfgloopanal.c: Ditto.
13639 * objc/objc-act.c: Ditto.
13641 * genextract.c: Ditto.
13642 * genautomata.c: Ditto.
13643 * pretty-print.c: Ditto.
13644 * genemit.c: Ditto.
13645 * cgraphunit.c: Ditto.
13647 * df-scan.c: Ditto.
13648 * haifa-sched.c: Ditto.
13649 * dominance.c: Ditto.
13651 * tree-ssa-loop-ivopts.c: Ditto.
13652 * df-core.c: Ditto.
13653 * mode-switching.c: Ditto.
13654 * modulo-sched.c: Ditto.
13656 * ipa-pure-const.c: Ditto.
13658 * fix-header.c: Ditto.
13660 * tree-stdarg.c: Ditto.
13661 * ipa-utils.c: Ditto.
13662 * loop-init.c: Ditto.
13663 * ipa-inline.c: Ditto.
13664 * cfganal.c: Ditto.
13666 * alloc-pool.c: Ditto.
13667 * dwarf2out.c: Ditto.
13669 * genattrtab.c: Ditto.
13670 * tree-ssa-loop-ivcanon.c: Ditto.
13671 * predict.c: Ditto.
13672 * timevar.c: Ditto.
13674 * fortran/gfortranspec.c: Ditto.
13675 * regmove.c: Ditto.
13676 * local-alloc.c: Ditto.
13677 * langhooks.c: Ditto.
13678 * function.c: Ditto.
13679 * tree-vectorizer.c: Ditto.
13681 * ipa-type-escape.c: Ditto.
13683 * tree-if-conv.c: Ditto.
13684 * profile.c: Ditto.
13686 * tree-data-ref.c: Ditto.
13687 * loop-unroll.c: Ditto.
13688 * treelang/treetree.c: Ditto.
13690 * bt-load.c: Ditto.
13691 * ggc-common.c: Ditto.
13693 * coverage.c: Ditto.
13695 * tree-cfgcleanup.c: Ditto.
13696 * tree-ssa-pre.c: Ditto.
13697 * cfgcleanup.c: Ditto.
13698 * loop-invariant.c: Ditto.
13699 * loop-iv.c: Ditto.
13700 * ipa-prop.c: Ditto.
13701 * print-tree.c: Ditto.
13702 * conflict.c: Ditto.
13703 * ggc-page.c: Ditto.
13704 * sched-deps.c: Ditto.
13705 * regclass.c: Ditto.
13706 * tree-object-size.c: Ditto.
13707 * combine.c: Ditto.
13708 * bb-reorder.c: Ditto.
13709 * resource.c: Ditto.
13710 * var-tracking.c: Ditto.
13711 * cfgloop.c: Ditto.
13712 * df-problems.c: Ditto.
13713 * reg-stack.c: Ditto.
13715 * gccspec.c: Ditto.
13716 * sched-rgn.c: Ditto.
13717 * tree-ssa-structalias.c: Ditto.
13718 * tree-ssa-reassoc.c: Ditto.
13719 * config/darwin-c.c: Ditto.
13720 * config/darwin.c: Ditto.
13721 * config/arm/arm.c: Ditto.
13723 * collect2.c: Ditto.
13724 * reload1.c: Ditto.
13726 2006-01-31 Nicolas Pitre <nico@cam.org>
13728 * arm.md (smaxsi3): Make aware of smax_m1.
13731 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13733 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13735 2006-01-31 Richard Guenther <rguenther@suse.de>
13737 * doc/invoke.texi (-msselibm): Document.
13738 * target.h (expand_library_builtin): New target hook.
13739 * builtins.c (expand_builtin): Use expand_library_builtin.
13740 (default_expand_library_builtin): New function.
13741 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13742 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13743 (link_gcc_math_spec): Declare.
13744 (static_specs): Add link_gcc_math_spec.
13745 * expr.h (default_expand_library_builtin): Declare.
13746 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13747 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13748 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13749 * config/i386/i386.opt (msselibm): New target option.
13750 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13751 (ix86_init_sse_abi_builtins): New function.
13752 (ix86_expand_library_builtin): Likewise.
13753 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13754 (override_options): Handle error conditions wrt -msselibm.
13755 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13756 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13757 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13760 2006-01-31 Richard Guenther <rguenther@suse.de>
13761 Paolo Bonzini <bonzini@gnu.org>
13763 * doc/install.texi (--disable-libgcc-math): Document.
13765 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13767 * expr.h (expand_normal): new inline function.
13768 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13769 * dojump.c: use it.
13770 * dwarf2out.c: use it.
13773 * expmed.c: use it.
13774 * except.c: use it.
13775 * config/sparc/sparc.c: use it.
13776 * config/i386/i386.c: use it.
13777 * config/rs6000/rs6000.c: use it.
13778 * config/arm/arm.c: use it.
13779 * config/mips/mips.c: use it.
13780 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13782 2006-01-30 Roger Sayle <roger@eyesopen.com>
13784 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13785 argv to the appropriate type.
13787 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13789 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13792 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13795 * config/s390/s390.c (struct machine_function): New flag
13796 decomposed_literal_pool_addresses_ok_p.
13797 (s390_reorg): Set it before final stage of literal pool transforms.
13798 (s390_decompose_address): Only accept displacements of the form
13799 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13801 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13803 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13804 the comparison routine return.
13806 2006-01-30 Michael Matz <matz@suse.de>
13808 * global.c (find_reg): Only evict for global regs.
13809 Take n_refs into account and dump more info.
13811 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13814 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13815 (pragma_trap, pragma_nosave_low_regs): Likewise.
13816 (current_function_anonymous_args): Likewise.
13817 (sh_deferred_function_attributes): New variable.
13818 (sh_deferred_function_attributes_tail): Likewise.
13819 (print_operand): For '@', look up trap_exit attribute.
13820 (calc_live_regs): Look up trapa_handler attribute. For trapa
13821 handlers, save/restore fpscr, but don't do any other
13822 interrupt-specific saves.
13823 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13824 Fix check for partially saved registers to check for SHmedia.
13825 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13826 (sh_output_function_epilogue): Don't clear any of the removed
13828 (sh_insert_attributes): Don't check pragma_interrupt.
13829 Insert deferred attributes. Check that interrupt attribute is
13830 present for other attributes that require its presence.
13831 (sh_attribute_table): Add new attributes trapa_handler and
13833 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13834 Don't check for pragma_interrupt. Don't store argument.
13835 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13836 (sh_deferred_function_attributes): Declare.
13837 (sh_deferred_function_attributes_tail): Likewise.
13838 * sh.md (sp_switch_1): Add operand. Change generator caller.
13839 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13840 (*return_i): Don't use when trap_exit attribute is in effect.
13841 (*return_trapa): New insn pattern.
13842 * sh-c.c: New file.
13843 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13844 setting c_target_objs and cxx_target_objs.
13845 * t-sh: Add rule for sh-c.o.
13847 2006-01-30 Richard Guenther <rguenther@suse.de>
13850 * gimplify.c (gimplify_target_expr): Handle easy cases
13851 without creating a temporary.
13853 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13855 * vec.h (safe_grow): Remove duplicated line.
13857 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13860 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13861 (expand_omp): ... here.
13862 (expand_omp_parallel): Only remove barriers for combined
13863 parallel+workshare constructs.
13865 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13869 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13870 * tree.c (build_qualified_type): Chain the new type to the original
13871 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13872 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13873 (build_pointer_type_for_mode): Only return unqualified types.
13874 (build_reference_type_for_mode): Likewise.
13876 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13878 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13879 * Makefile.in (CXX_COMPAT_WARN): Define.
13880 * configure: Regenerate.
13882 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13885 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13888 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13890 * toplev.c: Fix thinko.
13892 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13893 Marcin Dalecki <martin@dalecki.de>
13895 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13896 (push_srcloc): Use XNEW.
13897 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13899 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13901 * df-core.c (df_set_blocks): Deleted all variable.
13903 2006-01-28 Ian Lance Taylor <ian@airs.com>
13905 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13906 cgraph_output_pending_asms.
13908 2006-01-28 Zack Weinberg <zackw@panix.com>
13910 * c.opt: Add -W(no-)overlength-strings.
13911 * doc/invoke.texi: Document it.
13912 * c-opts.c (c_common_handle_option): -pedantic implies
13913 -Woverlength-strings, if not explicitly disabled already.
13914 (c_common_post_options): -Woverlength-strings defaults to off, and
13915 is always off for C++.
13916 * c-common.c (fix_string_type): Issue warning about strings longer
13917 than is portable only if warn_overlength_strings. Rearrange code
13918 a little for clarity.
13919 * configure.in: Check for -Wno-overlength-strings as well before
13920 enabling -pedantic in stage 1.
13921 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13922 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13924 * genconditions.c (write_header, write_one_condition)
13925 (write_conditions, write_writer): Consolidate very long strings
13926 that were broken up to fit in C89 portable limit. Don't use
13927 printf when fputs will do.
13929 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13931 * combine.c (simplify_comparison <AND>): Check
13932 TRULY_NOOP_TRUNCATION before start using a subreg.
13934 * config/mips/mips.md (*branch_zero<mode>,
13935 *branch_zero<mode>_inverted, *branch_equality<mode>,
13936 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13937 Remove mode check from comparisons.
13939 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13941 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13943 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13945 * expmed.c (const_mult_add_overflow_p): Remove.
13946 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13948 * recog.c (validate_replace_rtx_subexp): Remove.
13949 * recog.h: Remove the prototype for
13950 validate_replace_rtx_subexp.
13952 * integrate.h: Remove the prototype for
13953 copy_decl_for_inlining.
13954 * rtl.h: Remove the prototype for mark_constant_function.
13955 * tree-vectorizer.h: Remove the prototype for
13956 vect_strip_conversion.
13958 * modulo-sched.c (create_partial_schedule,
13959 free_partial_schedule, reset_partial_schedule): Make them
13962 * hooks.c (hook_bool_rtx_int_false): Remove.
13963 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13965 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13967 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13968 and -mlong-double-128 are incompatible.
13969 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13970 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13971 (TARGET_LIBGCC2_CFLAGS): Define.
13972 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13973 (TARGET_LIBGCC2_CFLAGS): Same.
13974 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13976 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13979 * c-typeck.c (build_binary_op): Perform implicit casts of
13980 operands before shortening them.
13982 * cfgloopmanip.c (split_loop_bb): Remove.
13983 * cfgloop.h: Remove the prototype for split_loop_bb.
13985 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13986 * cfgloop.h: Remove the prototype for
13987 flow_loop_outside_edge_p.
13989 * emit-rtl.c (init_virtual_regs): Make it static.
13990 * function.h: Remove the prototype for init_virtual_regs.
13992 * recog.c (peephole2_optimize): Make it static.
13993 * recog.h: Remove the prototype for peephole2_optimize.
13995 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13997 * df-scan.c (df_record_entry_block_defs): Check if
13998 INCOMING_RETURN_ADDR_RTX is defined.
14000 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14001 Kenneth Zadeck <zadeck@naturalbridge.com>
14003 PR rtl-optimization/24762
14004 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14005 * targhooks.c (hook_void_bitmap): New hook prototype.
14006 * targhoohs.h (hook_void_bitmap): Ditto.
14007 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14008 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14009 * target.h (live_on_entry): New function pointer.
14010 * df-scan.c (df_all_hard_regs): Removed.
14011 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14012 (df_scan_free_internal): Added df->entry_block_defs.
14013 (df_scan_alloc): Ditto.
14014 (df_scan_dump): Ditto.
14015 (df_uses_record): Plumbed flag field properly thru calls.
14016 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14017 This part fixes PR24762.
14018 (df_bb_refs_record): Added code to make the frame and arg
14019 pointers live in EH blocks.
14020 (df_refs_record): Added call to df_record_entry_block_defs.
14021 (df_record_entry_block_defs): New function.
14022 * df-core.c: Added comments to describe new artifical defs.
14023 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14024 (entry_block_defs): New field in struct df.
14025 (df_all_hard_regs): Deleted.
14026 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14027 * df-problems.c (df_ru_bb_local_compute_process_def):
14028 Added code to handle artifical defs in the entry to a function.
14029 (df_ru_bb_local_compute): Ditto.
14030 (df_rd_bb_local_compute_process_def): Ditto.
14031 (df_rd_bb_local_compute): Ditto.
14032 (df_lr_bb_local_compute): Ditto.
14033 (df_ur_bb_local_compute): Ditto.
14034 (df_urec_bb_local_compute): Ditto.
14035 (df_chain_create_bb): Ditto.
14036 (df_ur_local_finalize): Removed entry.
14037 (df_urec_init): Ditto.
14038 (df_urec_local_finalize): Ditto.
14039 (df_ri_bb_compute): Added detection of last use of pseudos.
14040 * Makefile.in (df-scan.o): Updated dependencies.
14041 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14042 * config/mips/mips.c (mips_set_live_on_entry): Added.
14043 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14045 * dce.c (marked_insn_p): Added code to handle artifical defs.
14047 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14049 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14051 (_mm_cvtsi128_si64): Likewise.
14052 (_mm_cvtsd_si64): Likewise.
14053 (_mm_cvttsd_si64): Likewise.
14054 (_mm_cvtsi64_sd): Likewise.
14055 (_mm_cvtsi64_si128): Likewise.
14056 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14057 (_mm_cvtsi64_m64): Likewise.
14058 (_m_to_int64): Likewise.
14059 (_mm_cvtm64_si64): Likewise.
14060 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14061 (_mm_cvttss_si64): Likewise.
14062 (_mm_cvtsi64_ss): Likewise.
14063 (_mm_cvtss_f32): Likewise.
14065 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14067 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14068 for pragma redefine_extname.
14070 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14073 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14074 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14075 -mno-minimal-toc to previous content.
14076 (bispecs): Remove goal.
14077 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14078 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14079 compatibility aliases on powerpc-*-*gnu*.
14080 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14081 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14082 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14083 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14084 (ldblspecs): New goal.
14085 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14086 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14088 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14089 L_sf_to_tf or L_df_to_tf is defined.
14091 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14092 Alan Modra <amodra@bigpond.net.au>
14095 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14096 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14097 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14098 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14099 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14100 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14101 (rs6000_override_options): Initialize rs6000_ieeequad.
14102 Initialize TFmode format to ibm_extended_format if not
14104 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14106 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14107 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14108 (function_arg_advance): IBM long double passed in two FPRs, not
14110 (function_arg): IBM long double passed in FPRs.
14111 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14112 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14113 Only multireg GPR aligned.
14114 (rs6000_init_libfuncs): Enable IBM long double functions if not
14116 (rs6000_generate_compare): Use IBM long double compare if not
14118 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14119 (TARGET_IEEEQUAD): Define.
14120 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14121 not TARGET_IEEEQUAD.
14122 * config/rs6000/rs6000.md: Enable TFmode patterns if
14124 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14125 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14126 and -mlong-double-128 are incompatible.
14127 * doc/invoke.texi (-mabi): Collect options together. Add
14128 ibmlongdouble and ieeelongdouble.
14130 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14132 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14134 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14135 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14136 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14137 * rtl.h (rtunion_def): Remove rt_ptr.
14139 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14140 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14141 * config/i386/winnt.c (i386_pe_mark_dllexport)
14142 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14144 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14146 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14148 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14152 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14153 pthread_key_delete. From John David Anglin. gthrw-ify
14154 pthread_getunique_np only if it it's not a macro. Delete
14156 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14157 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14158 __gthread_objc_condition_signal, __gthread_key_delete): Add
14159 "__attribute__ ((__unused__))" to unused arguments.
14160 (__gthread_recursive_mutex_init_function): Add missing return.
14161 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14162 gthr-posix95.h: Use macro-based approach for name redirection
14163 on targets missing weakref.
14165 2006-01-26 Zack Weinberg <zackw@panix.com>
14167 * genconditions.c (write_header): In generated code, #ifdef out
14168 all includes and fake declarations, except includes of bconfig.h
14169 and system.h, unless GCC_VERSION >= 3001. Do not include
14170 gensupport.h in any case.
14171 (write_conditions): Generate a definition of struct c_test. Add
14172 a comment to the generated #endif.
14173 (write_one_condition): Escape backslashes in string too.
14174 (write_writer): Generated code must escape backslashes and quote
14175 marks (but not newlines) in the strings it writes.
14176 * Makefile.in (build/gencondmd.o): Update dependencies.
14178 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14181 * Makefile.in (insn-automata.o): Add header file dependencies.
14182 * genautomata.c: Add includes.
14184 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14187 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14189 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14191 * configure.ac: Expect target tools paths to be passed from the toplevel
14192 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14194 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14196 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14199 * c.opt (Wpointer-sign): Init to -1.
14200 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14201 OPT_pedantic, to 0 otherwise.
14202 * doc/invoke.texi: Update.
14204 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14206 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14207 constants provided by 80387 instructions in the destination mode.
14209 2006-01-26 Richard Guenther <rguenther@suse.de>
14210 Andrew Pinski <pinskia@physics.uc.edu>
14213 partial PR tree-opt/17064
14214 * tree-ssa-structalias.c (intra_create_variable_infos):
14215 Create heap variables for incoming parameters if
14216 flag_argument_noalias > 1.
14217 (find_what_p_points_to): Look through default defs of
14220 2006-01-26 Jeff Law <law@redhat.com>
14223 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14224 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14225 within the VR_RANGE, use the VR_RANGE as the result, not the
14227 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14228 bounds for the type.
14230 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14232 * tree-ssa-alias.c (maybe_create_global_var): Change
14233 subvar walking to an assertion that we don't have subvar'd variables.
14235 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14238 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14239 Use a new variable, inner. PARM_DECLs are always non-weak.
14241 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14243 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14244 --disable-checking.
14246 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14248 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14250 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14252 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14253 (smax_insn, smin_insn, smax_0, smin_0): New.
14255 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14258 * config/cris/cris.c (cris_order_for_addsi3): New function.
14259 * config/cris/cris-protos.h: Prototype it.
14260 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14261 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14262 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14263 (split for "op.S1 [rx=rx+i],ry (swapped)")
14264 (split for "op(s|u).S1 [rx=rx+i],ry")
14265 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14266 Apply cris_order_for_addsi3 when generating addsi3 insns.
14268 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14270 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14271 (TREE_BLOCK): Add call to EXPR_CHECK.
14273 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14276 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14277 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14278 (dump_omp_clauses): ... here.
14279 (dump_generic_node): Handle OMP_CLAUSE.
14280 * tree.c (omp_clause_num_ops): New.
14281 (omp_clause_code_name): New.
14282 (tree_code_size): Handle OMP_CLAUSE.
14283 (tree_size): Likewise.
14284 (make_node): Document handling of OMP_CLAUSE.
14285 (tree_node_structure): Handle OMP_CLAUSE.
14286 (omp_clause_check_failed): New.
14287 (omp_clause_range_check_failed): New.
14288 (omp_clause_operand_check_failed): New.
14289 (build_omp_clause): New.
14290 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14291 * tree.h (enum omp_clause_code): Declare.
14292 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14293 (OMP_CLAUSE_RANGE_CHECK): Define.
14294 (OMP_CLAUSE_ELT_CHECK): Define.
14295 (omp_clause_check_failed): Declare.
14296 (omp_clause_operand_check_failed): Declare.
14297 (omp_clause_range_check_failed): Declare.
14298 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14299 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14300 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14301 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14302 (OMP_CLAUSE_IF_EXPR): Likewise.
14303 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14304 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14305 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14306 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14307 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14308 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14309 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14310 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14311 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14312 (OMP_CLAUSE_CODE): Define.
14313 (OMP_CLAUSE_SET_CODE): Define.
14314 (OMP_CLAUSE_CODE): Define.
14315 (OMP_CLAUSE_OPERAND): Define.
14316 (struct tree_omp_clause): Declare.
14317 (union tree_node): Add field 'omp_clause'.
14318 * treestruct.def (TS_OMP_CLAUSE): Define.
14319 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14320 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14321 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14322 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14323 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14324 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14325 (OMP_CLAUSE): Define.
14326 * print-tree.c (print_node): Handle OMP_CLAUSE.
14327 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14328 * c-typeck.c: Likewise.
14329 * gimplify.c: Likewise.
14330 * c-omp.c: Likewise.
14331 * tree-nested.c: Likewise.
14332 * tree-inline.c: Likewise.
14333 * c-parser.c: Likewise.
14334 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14337 2006-01-25 Roger Sayle <roger@eyesopen.com>
14339 PR rtl-optimization/25703
14340 * combine.c (try_combine): Handle zero_extract and strict_low_part
14341 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14343 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14345 * global.c: Fix comment typos.
14347 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14350 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14351 Use output_addr_const instead of assemble_name.
14353 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14355 * Makefile.in (sched-vis.o): Update dependencies.
14356 * haifa-sched.c (sched_finish): Clear current_sched_info.
14357 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14358 (dump_flow_info): Call it.
14359 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14361 * basic-block.h (dump_bb_info): Declare.
14362 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14363 option, and apply options only for dump files whose TDF_RTL,
14364 TDF_TREE, or TDF_IPA bits match.
14365 * rtl.h: Declare new functions exported from sched-vis.c.
14366 * sched-vis.c: Enable also if scheduling is not used.
14367 (print_value): Print the mode of registers if not inside scheduling.
14368 (print_insn): Make it work outside the scheduler. Beautify the output
14370 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14372 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14374 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14375 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14376 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14377 depending on the value of CONSTANT_POOL_ADDRESS_P.
14378 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14380 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14381 rather than SYMBOL_REF_DECL.
14382 (rtx_constant_pool): Remove const_rtx_sym_htab.
14383 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14384 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14385 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14386 Remove handling of const_rtx_sym_htab.
14387 (find_pool_constant): Delete.
14388 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14389 rather than find_pool_constant.
14390 (get_pool_constant_for_function): Delete.
14391 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14392 find_pool_constant.
14393 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14394 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14395 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14396 (SYMBOL_REF_CONSTANT): New macro.
14397 (get_pool_constant_for_function): Delete.
14398 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14399 rather than SYMBOL_REF_DECL.
14400 (i386_pe_mark_dllimport): Likewise.
14401 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14402 rather than SYMBOL_REF_DECL.
14403 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14404 (machopic_indirect_call_target): Likewise.
14406 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14408 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14410 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14412 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14414 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14416 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14418 2006-01-24 David Daney <ddaney@avtrex.com>
14421 * configure.ac (enable_tls): New enable option.
14422 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14423 * configure: Regenerate.
14424 * doc/install.texi (--enable-tls): Document new option.
14425 (--disable-tls): Ditto.
14427 2006-01-24 Richard Henderson <rth@redehat.com>
14429 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14430 * alias.c (true_dependence): Respect it.
14431 (canon_true_dependence, write_dependence_p): Likewise.
14432 * builtins.c (get_builtin_sync_mem): Set it.
14434 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14436 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14439 2006-01-24 DJ Delorie <dj@redhat.com>
14441 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14442 for storing constants in single-bit bitfields.
14444 2006-01-25 Ben Elliston <bje@au.ibm.com>
14446 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14448 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14451 * tree-ssa-pre.c (phi_translate): Return NULL
14452 for AGGREGATE_TYPE's.
14454 2006-01-24 Zack Weinberg <zackw@panix.com>
14456 * genautomata.c (process_state_for_insn_equiv_partition):
14457 Use xcalloc for insn_arcs_array.
14458 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14459 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14461 2006-01-24 Richard Henderson <rth@redhat.com>
14463 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14464 update all callers.
14466 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14468 PR rtl-optimization/25890
14469 PR rtl-optimization/25905
14470 * combine.c (expand_compound_operation, expand_field_assignment):
14471 Fail if the bitfield's final position is out of bounds.
14473 2006-01-24 Ian Lance Taylor <ian@airs.com>
14475 PR middle-end/25930
14476 * cgraphunit.c (cgraph_output_in_order): Don't clear
14477 cgraph_asm_nodes until after asm strings have been output.
14479 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14481 * fix-header.c (read_scan_file): Add new parameter imultilib when
14482 calling register_include_chains.
14484 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14486 * omp-low.c: Update documentation.
14488 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14489 Daniel Berlin <dberlin@dberlin.org>
14493 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14494 return from the function.
14496 2006-01-22 Zack Weinberg <zackw@panix.com>
14498 * rtl.def (match_code): Add second argument.
14499 * genpreds.c (write_extract_subexp): New function.
14500 (write_match_code): Add path argument. Use write_extract_subexp.
14501 (write_predicate_expr): Pass path to write_match_code.
14502 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14503 not perform a mode test.
14504 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14505 a subexpression does not constrain the top-level code set.
14506 * read-rtl.c (read_rtx_variadic): New function.
14507 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14508 * doc/md.texi: Document new notation.
14509 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14510 (cmpsi_operand): ... here, using new notation.
14512 2006-01-22 Zack Weinberg <zackw@panix.com>
14514 * varray.c: Remove GENERATOR_FILE #ifdefs.
14516 2006-01-22 Zack Weinberg <zackw@panix.com>
14518 * genautomata.c (output_reserved_units_table): Emit nothing if
14519 description->query_units_num is zero. Remove extra blank line.
14520 (output_cpu_unit_reservation_p): Short circuit
14521 if description->query_units_num is zero.
14523 2006-01-22 Zack Weinberg <zackw@panix.com>
14525 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14526 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14527 nor any of the random handful of variables that used to be necessary
14528 when this program was linked with rtlanal.o. Prune set of forward
14529 function declarations.
14530 (struct attr_desc): Remove static_p field.
14531 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14532 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14533 (attr_string): Do not read the character one past the length of
14535 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14536 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14537 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14538 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14539 (make_automaton_attrs): New.
14540 (main): Do not call into genautomata. Call local gen_bypass
14541 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14542 Remove special case for insn_alts.
14543 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14544 varray.h (leftover from previous change). Prune set of forward
14545 function declarations. Remove state_alts fields from all
14546 structures. Remove state_alts_table from struct automaton.
14547 Make everything except main static. Do not maintain num_dfa_decls.
14548 Do not maintain state_alts fields of various structures.
14549 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14550 (add_arc): Remove state_alts argument. All callers updated.
14551 (output_reserved_units_table): Emit #ifdef here...
14552 (output_tables): ...not here. Don't generate state_alts tables.
14553 (expand_automata): Don't generate attributes.
14554 (write_automata): Don't generate state_alts functions.
14555 (main): New function.
14556 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14557 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14558 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14559 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14560 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14561 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14562 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14563 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14565 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14566 * genattrtab.h: Delete file.
14567 * Makefile.in (OBJS-common): Add insn-automata.o.
14568 (insn-automata.o): New rule.
14569 (simple_generated_c): Add insn-automata.c.
14570 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14571 (genprogmd): Add automata.
14572 (build/genattrtab): Needs no extra objects nor libraries.
14573 (build/genautomata): Needs build/vec.o and -lm.
14575 2006-01-22 Zack Weinberg <zackw@panix.com>
14577 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14578 (output_dfa_max_issue_rate, locked_states_num): Delete.
14579 (struct automaton): Add locked_states field.
14580 (output_dead_lock_vect): Save number of locked states in
14581 automaton->locked_states. If it is zero, don't print anything.
14582 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14583 (output_internal_dead_lock_func): Only test the dead_lock_vect
14584 for automata that have locked states.
14585 (output_statistics): Always print the number of locked states for
14586 each automaton. Calculate total number of locked states here.
14587 (write_automata): Don't call output_dfa_max_issue_rate.
14588 * genattrtab.c: Define length_unit_log as a const variable.
14589 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14590 max_insn_queue_index const.
14591 * final.c (length_unit_log): Declare const.
14592 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14594 2006-01-22 Zack Weinberg <zackw@panix.com>
14596 * genautomata.c: Include vec.h, not varray.h.
14597 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14598 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14599 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14600 VEC_* macros operating on appropriately typed vectors, or to
14601 malloced arrays when the size is known in advance. Const-ify
14602 many char* variables and function arguments. No functional changes.
14603 * Makefile.in (build/varray.o): Delete rule.
14604 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14605 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14607 2006-01-22 Zack Weinberg <zackw@panix.com>
14609 * gensupport.c: Define get_insn_name and record_insn_name here.
14610 (read_md_rtx): Call record_insn_name as appropriate.
14611 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14612 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14613 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14615 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14616 (BUILD_VARRAY): Delete.
14617 (genprognormal): Rename genprogmd. Fold in all programs from
14618 genprognoprint; also attrtab.
14619 (build/genattrtab): Just mention genautomata.o and varray.o.
14620 Reorganize a bit, add comments to make the categories clearer.
14622 2006-01-22 Zack Weinberg <zackw@panix.com>
14624 * genconditions.c (condition_table, add_condition): Delete.
14625 (write_conditions): Don't emit n_insn_conditions nor
14626 insn_elision_unavailable. Issue the gcc version #ifdef here,
14627 inside the table, with no #else clause ...
14628 (write_header): ...not here.
14629 (write_writer): New function.
14630 (main): Don't initialize condition_table. Use add_c_test.
14632 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14633 files on the command line.
14634 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14635 Return -1 if there is no entry in the table, don't abort.
14636 (add_c_test, traverse_c_tests): New functions.
14637 * gensupport.h (insn_elision_unavailable, insn_conditions)
14638 (n_insn_conditions): Delete declarations.
14639 (add_c_test, traverse_c_tests): Declare.
14640 * read-rtl.c: Include gensupport.h.
14641 (read_conditions): New function.
14642 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14643 (read_rtx_1): If we get EOF when we were looking for an initial
14644 open paren, return 0. Call read_conditions when appropriate.
14645 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14646 dummy-conditions.o. Eliminate references to insn-conditions.o,
14647 or change them to build/gencondmd.o, as appropriate. Remove
14648 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14649 from $(simple_generated_c). For all files remaining in those
14650 two lists, add insn-conditions.md to the generator command line.
14651 Give insn-constants.h/s-constants their own rules. Add rules
14652 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14653 (build/read-rtl.o): Depend on gensupport.h.
14654 (genprognormal): Include preds.
14655 (genprogearly): Rename genprognoprint; only difference is now that
14656 they don't link with $(BUILD_PRINT).
14657 * dummy-conditions.c: Delete.
14659 2006-01-22 Zack Weinberg <zackw@panix.com>
14661 * genextract.c: Don't include insn-config.h. Do include vec.h.
14662 Declare vectors of int, char, and locstr.
14663 (locstr): New typedef.
14664 (struct extraction): Make all array fields into bare pointers.
14665 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14666 (insn_code_number): Delete.
14667 (accum_extract): New struct.
14668 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14669 (gen_insn): Take insn_code_number as an argument. Use an
14670 accum_extract structure instead of loading data directly into
14671 a struct extraction, and having to know how big it might get.
14672 (walk_rtx): Operate entirely on an accum_extract structure.
14673 (print_path): Avoid unnecessary use of printf.
14674 (print_header): New function, split out of main. Distinguish
14675 more carefully between an unrecognizable insn and an insn that
14676 has the code number of a define_expand.
14677 (main): Pass insn_code_number to gen_insn. Call print_header
14678 only after parsing. Avoid unnecessary use of printf.
14679 * Makefile.in (build/vec.o): New rule.
14680 (build/genextract): Depend on build/vec.o.
14681 (build/genextract.o): Don't depend on insn-config.h.
14683 2006-01-22 Zack Weinberg <zackw@panix.com>
14685 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14686 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14687 practical. Eliminate per-generator-program link rules.
14689 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14691 PR middle-end/24437
14692 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14693 with a call expr to ...
14694 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14696 2006-01-23 Richard Guenther <rguenther@suse.de>
14698 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14699 before make_edge with conditional EDGE_TRUE_VALUE.
14701 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14702 Jan Hubicka <jh@suse.cz>
14703 Richard Guenther <rguenther@suse.de>
14705 PR rtl-optimization/25654
14706 * cfgexpand.c (aggregate_contains_union_type): New function.
14707 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14708 for structure variables that contain a union type.
14710 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14712 * gengtype.c (new_structure): Return the structure.
14713 (create_option): Add an extra "next" argument.
14714 (create_field): New function.
14715 (adjust_field_rtx_def): Use create_option and create_field.
14716 Remove a now-unnecessary call to find_structure.
14717 (adjust_field_tree_def): Likewise.
14718 (note_yacc_type): Remove an unnecessary call to find_structure.
14719 * gengtype.h (new_structure): Return the structure.
14720 (create_option): Add an extra argument.
14721 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14722 (option): Adjust calls to create_option.
14724 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14726 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14728 2006-01-22 Paul Brook <paul@codesourcery.com>
14729 Peter Barada <peter@the-baradas.com>
14731 * config/m68k/m68k.md: Add Coldfire FPU support.
14732 Define FP mode macro and associated attributes.
14733 Use it for float mode patterns.
14734 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14735 (LIBCALL_VALUE): Use m68k_libcall_value.
14736 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14737 (m68k_function_value): Ditto.
14738 (emit_move_sequence): Ditto.
14739 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14740 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14741 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14742 (MULTILIB_EXCEPTIONS): Ditto.
14743 * config/m68k/m68k.opt: Add mcfv4e.
14744 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14745 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14746 (m68k_output_function_prologue): Save ColdFire FPU registers.
14747 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14748 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14749 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14750 ColdFire FPU registers.
14751 (m68k_libcall_value, m68k_function_value): New functions.
14752 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14753 (LIBCALL_VALUE): Use m68k_libcall_value.
14754 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14755 (MASK_COLDFIRE): Add MASK_CFV4E.
14756 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14757 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14758 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14759 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14760 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14761 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14762 * doc/invoke.tex: Document -mcfv4e on m68k.
14764 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14766 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14769 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14772 * c-opts.c (c_common_handle_option): Don't include
14773 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14774 * doc/invoke.texi (C++ Dialect Options): Document that
14775 -Wnon-virtual-dtor is no longer included in -Wall.
14777 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14779 * gcov.c (print_version), gcov-dump.c (print_version),
14780 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14783 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14785 * df-scan.c (problem_SCAN): Added NULL reset function.
14786 (df_scan_reset_blocks): Added code to call reset block function
14787 (df_bb_refs_delete) Fixed comment.
14788 (df_insn_refs_delete): Made tolerant of deleting non existent info
14789 for dataflow problems that need to be reset.
14790 * df-core.c (df_set_blocks): Ditto.
14791 * df.h (struct df_problem): Added reset_fun.
14792 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14793 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14794 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14795 functions to clear out all references to def-use or use-def chains.
14797 2006-01-21 Ben Elliston <bje@au.ibm.com>
14799 * varasm.c (assemble_real): Initialise data array.
14801 2006-01-20 Paul Brook <paul@codesourcery.com>
14803 Merge from csl-arm-branch.
14804 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14805 * config/arm/arm.md (movdi): Force operands[1] to a register
14806 if we have a non-register source.
14807 (*arm_movdi, *movdf_soft_insn): Require that one of the
14808 operands be a register.
14809 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14810 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14812 2006-01-20 DJ Delorie <dj@redhat.com>
14814 * varasm.c (initializer_constant_valid_p): Allow pointers
14815 initialized from integer constants of lesser precision.
14816 (output_constant): Allow non-int-sized pointer modes to be
14817 initialized from integer constants.
14819 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14822 * cppdefault.h (struct default_include): Add multilib flag.
14823 * cppdefault.c (cpp_include_defaults): Set it.
14824 * c.opt (-imultilib): New option.
14825 * c-opts.c (imultilib): New.
14826 (c_common_handle_option): Handle -imultilib.
14827 (c_common_post_options): Likewise.
14828 * c-incpath.c (add_standard_paths, register_include_chains):
14830 * c-incpath.h (register_include_chains): Add extra parameter.
14831 * gcc.c (do_spec_1): Generate -imultilib option.
14832 (The Specs Language): Update %I description.
14833 (process_command): Update copyright notice.
14834 * doc/cppopts.texi (-imultilib): Document.
14835 * doc/invoke.texi (-imultilib): Include in option summary.
14836 (%I): Update specs documentation.
14838 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14840 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14842 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14844 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14847 2006-01-20 Richard Guenther <rguenther@suse.de>
14848 Steven Bosscher <stevenb.gcc@gmail.com>
14850 PR rtl-optimization/24626
14851 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14852 EDGE_TRUE_VALUE if in RTL mode.
14855 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14856 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14858 2006-01-20 Dirk Mueller <dmueller@suse.com>
14861 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14862 instead of a special NOP marker.
14863 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14864 NOP marker handling.
14865 * c-common.h (empty_body_warning): Add forward declaration.
14866 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14867 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14869 2006-01-20 Paul Brook <paul@codesourcery.com>
14871 * Makefile.in (lang_checks): Keep going if mkdir fails.
14873 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14875 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14876 be able to clean out basic block when not necessary.
14877 (df_scan_free): Fixed to properly delete information if df is
14878 unused before calling df_finish.
14879 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14880 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14882 (df_bb_refs_delete): New function.
14883 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14884 * df-core.c (df_set_blocks): Added code to properly clean out
14885 unused blocks if they are not part of the blocks to consider.
14886 Added additional null check.
14887 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14888 be able to clean out basic block when not necessary
14889 * df.h (df_free_bb_function): Ditto.
14890 (df_bb_refs_delete): New function.
14891 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14892 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14893 basic block parameter to be able to clean out basic block when not
14895 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14896 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14897 Fixed to properly delete information if df is unused before
14900 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14902 PR rtl-optimization/25799
14903 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14904 Corrected confluence operator to remove bits from op2 before oring
14905 with op1 rather than removing bits from op1.
14906 (df_ru_transfer_function): Corrected test on wrong bitmap which
14907 caused infinite loop. Both of these problems were introduced in
14908 the dataflow rewrite.
14910 2006-01-19 DJ Delorie <dj@redhat.com>
14912 * reload1.c (find_reload_regs): Note the details of reload
14913 failures in the dump file.
14914 (spill_failure): Likewise.
14916 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14918 * loop-iv.c: Include df.h and hashtab.h.
14919 (enum iv_grd_result): New enum.
14920 (DF_REF_IV, DF_REF_IV_SET): New macros.
14921 (struct biv_entry): New.
14922 (df, bivs): New global variables.
14923 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14924 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14926 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14927 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14928 analyzed_for_bivness_p, record_biv): New functions.
14929 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14930 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14931 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14933 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14935 (iv_number_of_iterations): Use new interface to iv analysis.
14936 * loop-unroll.c: Do not include varray.h.
14937 (analyze_iv_to_split_insn): Use new interface to iv
14939 * loop-unswitch.c (may_unswitch_on): Ditto.
14940 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14942 (df_bb_modify): Realloc tables to the new index.
14943 (df_find_use): New function.
14944 * df.h (df_find_use): Declare.
14945 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14947 * cfgloop.h (struct rtx_iv): Remove analysed field.
14948 (iv_get_reaching_def): Removed.
14949 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14950 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14951 (loop-iv.o): Add df.h and hashtab.h dependency.
14952 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14954 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14957 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14959 (__floatundisf, __floatundidf): Likewise.
14960 * libgcc2.h (IS_IBM_EXTENDED): Define.
14962 2006-01-19 DJ Delorie <dj@redhat.com>
14964 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14966 2006-01-19 Paul Brook <paul@codesourcery.com>
14968 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14969 as nothrow when unwinding tables are disabled.
14971 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14974 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14975 of bit-field" when in system header.
14977 2006-01-19 DJ Delorie <dj@redhat.com>
14979 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14980 the 16 bit shift limit of the m16c.
14982 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14985 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14986 * config/i386/i386.c (output_set_got): Output the label if we have one
14987 for the TARGET_DEEP_BRANCH_PREDICTION case.
14989 2006-01-19 Jan Hubicka <jh@suse.cz>
14990 H.J. Lu <hongjiu.lu@intel.com>
14991 Evandro Menezes <evandro.menezes@amd.com>
14993 * invoke.texi (generic): Document
14995 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14996 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14997 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14998 (x86_use_incdec, x86_pad_returns): New variables
14999 (TARGET_CPU_DEFAULT_generic): New constant
15000 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15001 (enum processor_type): Add generic32 and generic64.
15002 * i386.md (cpu attribute): Add generic32/generic64
15003 (movhi splitter): Behave sanely when both partial_reg_dependency and
15004 partial_reg_stall are set.
15005 (K8 splitters): Enable for generic as well.
15006 * predicates.md (incdec_operand): Use TARGET_INCDEC
15007 (aligned_operand): Avoid memory mismatch stalls.
15008 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15009 * ppro.md: Enable for generic32
15010 * i386.c (generic64_cost, generic32_cost): New.
15011 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15012 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15013 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15014 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15015 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15016 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15017 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15018 x86_accumulate_outgoing_args, x86_prologue_using_move,
15019 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15020 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15021 Enable for generic.
15022 (x86_use_incdec, x86_pad_returns): New.
15023 (override_options): Add generic32 and generic64, translate "generic"
15024 to generic32/generic64 and "i686" to "generic32", refuse
15025 "generic32"/"generic64" as arch target.
15026 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15027 (ix86_reorg): Honor PAD_RETURNS.
15029 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15031 * tree-pretty-print.c (dump_generic_node): Handle
15032 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15033 * cgraph.c (cgraph_expand_queue): Rename from
15034 cgraph_analyze_queue. Update all users.
15035 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15036 cgraph_expand_queue.
15037 (cgraph_expand_all_functions): Likewise.
15038 (cgraph_finalize_pending_functions): Remove. Update callers.
15040 * tree.h (OMP_DIRECTIVE_P): Define.
15041 (OMP_PARALLEL_FN): Define.
15042 (OMP_PARALLEL_DATA_ARG): Define.
15043 (OMP_SECTIONS_SECTIONS): Define.
15044 * tree-pass.h (pass_expand_omp): Declare.
15045 * omp-low.c (struct omp_region): Declare.
15046 (struct omp_context): Remove fields 'parallel_type',
15047 'parallel_start_ix' and 'parallel_start_additional_args'.
15049 (struct omp_for_data): Rename from struct expand_omp_for_data.
15050 (omp_regions): New static variable.
15051 (root_omp_region): New static variable.
15052 (find_omp_clause): Make static.
15053 (is_in_combined_parallel_ctx): Remove.
15054 (is_combined_parallel): New.
15055 (extract_omp_for_data): Move earlier in the file.
15056 (workshare_safe_to_combine_p): New.
15057 (get_ws_args_for): New.
15058 (determine_parallel_type): Move earlier in the file.
15059 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15061 (omp_copy_decl): Likewise.
15062 (create_omp_child_function): Likewise.
15063 (lookup_omp_region): New.
15064 (dump_omp_region): New.
15065 (debug_omp_region): New.
15066 (debug_all_omp_regions): New.
15067 (new_omp_region): New.
15068 (scan_omp_parallel): If parallel_nesting_level > 1, the
15069 directive is nested within another parallel directive.
15070 Set OMP_PARALLEL_FN.
15071 (scan_omp_for): Do not try to handle combined parallel+for
15073 Remove FIXME comment.
15074 (scan_omp_nested): Remove.
15075 (scan_omp_1): Do not call scan_omp_nested when
15076 parallel_nesting_level is > 1.
15077 Do not change the DECL_CONTEXT of local variables found.
15078 (lookup_decl_in_outer_ctx): New.
15079 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15080 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15081 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15082 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15083 If CTX is nested, lookup VAR in the outer context when
15084 building copy assignment.
15085 (lower_send_clauses): Rename from expand_send_clauses.
15086 If CTX is nested, lookup VAR in the outer context when
15087 building copy assignments.
15088 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15089 If CTX is nested, lookup VAR in the outer context when
15090 building copy assignments.
15091 (expand_parallel_call): Rename from build_parallel_call.
15092 Handle combined parallel+workshare cases.
15093 Re-implement to emit code into the CFG.
15095 (expand_omp_parallel): Re-implement to emit code into the CFG.
15096 Call move_sese_region_to_fn to outline the sub-graph
15097 containing the parallel region.
15098 (expand_omp_for_1): Remove.
15099 (expand_omp_for_generic): Re-implement to emit code into the
15101 (expand_omp_for_static_nochunk): Likewise.
15102 (expand_omp_for_static_chunk): Likewise.
15103 (expand_omp_for): Likewise.
15104 (expand_omp_sections): Likewise.
15105 (remove_exit_barriers): New.
15106 (expand_omp_synch): New.
15108 (build_omp_regions_1): New.
15109 (build_omp_regions): New.
15110 (execute_expand_omp): New.
15111 (gate_expand_omp): New.
15112 (pass_expand_omp): Define.
15113 (lower_omp_sections): Rename from expand_omp_sections.
15114 Set OMP_SECTIONS_SECTIONS.
15115 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15116 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15117 (lower_omp_single): Rename from expand_omp_simple.
15118 (lower_omp_master): Rename from expand_omp_master.
15119 (lower_omp_ordered): Rename from expand_omp_ordered.
15120 (lower_omp_critical): Rename from expand_omp_critical.
15121 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15122 (lower_omp_for): Re-implement.
15123 (lower_omp_parallel): Re-implement.
15124 (lower_regimplify): Rename from expand_regimplify.
15125 (lower_omp_1): Rename from expand_omp_1.
15126 If there are syntax errors in the program, replace every
15127 OpenMP directive with NOP.
15128 Call lower_omp_* instead of expand_omp_*.
15129 (lower_omp): Rename from expand_omp.
15131 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15132 * tree-gimple.h (enum omp_parallel_type): Remove.
15133 (gimple_boolify): Declare extern.
15134 (find_omp_clause, determine_parallel_type): Remove.
15136 * gimple-low.c (lower_omp_directive): New.
15137 (lower_stmt): Call it.
15138 (record_vars_into): Move from ...
15139 (record_vars): ... here.
15140 Call record_vars_into with current_function_decl.
15142 * gimplify.c (struct gimplify_ctx): Remove fields
15143 combined_pre_p and combined_ctxp. Update users.
15144 (get_formal_tmp_var): Add documentation.
15145 (gimple_boolify): Make extern.
15146 (gimplify_expr_in_ctx): Remove. Update callers.
15147 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15148 will always be a BIND_EXPR.
15149 (gimplify_expr): Handle OMP_RETURN_EXPR.
15150 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15151 (OMP_PARALLEL): Add 3 operands.
15152 (OMP_SECTIONS): Add 1 operand.
15153 (OMP_RETURN_EXPR): Define.
15155 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15156 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15157 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15158 creating a circular free list.
15159 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15161 * tree-flow.h (move_sese_region_to_fn): Declare.
15162 (record_vars_into): Declare.
15163 * tree-cfg.c (make_omp_sections_edges): New.
15164 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15165 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15166 OMP_SECTIONS and OMP_SECTION.
15167 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15168 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15169 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15170 (gather_blocks_in_sese_region): New.
15171 (struct move_stmt_d): Declare.
15172 (move_stmt_r): New.
15173 (move_block_to_fn): New.
15174 (move_sese_region_to_fn): New.
15176 * passes.c (init_optimization_passes): Schedule
15177 pass_expand_omp after pass_init_datastructures.
15179 * tree-ssa-operands.c (get_expr_operands): Handle
15180 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15181 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15183 2006-01-19 Jeff Law <law@redhat.com>
15185 * tree-vrp.c (extract_range_from_assert): Refine the result range
15186 if the variable referenced by the ASSERT_EXPR has a range and
15187 either the tentative result range or the previous range is a
15190 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15192 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15194 2006-01-19 Jan Hubicka <jh@suse.cz>
15196 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15198 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15200 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15201 (expand_compound_operation, expand_field_assignment): Fail if the
15202 bit lengths of an extract operation are out of range.
15203 (make_extraction): Compute wanted_inner_mode based on the position
15204 and length of the extraction. Make it extraction_mode for non-constant
15205 positions, and do not modify offset in that case. When generating a
15206 new MEM, use a mode that can hold the extraction while keeping correct
15207 alignment. Remove code that supported MEMs wrapped by USEs.
15208 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15210 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15212 * config/s390/s390.md ("Y", "y"): New mode attribute.
15213 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15214 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15215 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15216 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15217 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15218 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15219 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15220 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15221 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15222 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15223 "addsi3", "subsi3"): Insn patterns removed.
15224 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15225 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15226 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15227 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15228 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15229 "*sub<mode>3_cconly2"): New insn patterns.
15230 ("addsi3", "subsi3"): New expanders.
15232 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15234 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15235 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15236 existing STMT_VINFO_VECTYPE if available.
15237 (vect_mark_relevant): Add special handling for stmts that are
15238 marked as STMT_VINFO_IN_PATTERN_P.
15239 (vect_analyze_loop): Call vect_pattern_recog.
15240 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15241 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15243 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15244 (vect_recog_func_ptr): New function-pointer type.
15245 * tree-vect-patterns.c: New file.
15246 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15247 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15248 (vect_pattern_recog_1): New functions.
15249 (vect_pattern_recog_funcs): New array of function pointers.
15251 * tree-vectorizer.h (ternary_op): New enum value.
15252 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15253 declaration. Revised documentation. Removed redundant dump prints.
15254 Removed redundant argument. Added support for reduction patterns.
15255 (vectorizable_reduction): Added support for reduction patterns.
15256 (vect_transform_stmt): Added support for patterns.
15258 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15259 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15260 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15261 (expand_widen_pattern_expr): New function.
15262 (init_optabs): Initialize new optabs udot_prod_optab,
15264 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15265 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15266 (expand_widen_pattern_expr): New function declaration.
15267 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15269 * tree-inline.c (estimate_num_insns_1): Added cases for new
15270 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15271 * tree-pretty-print.c (dump_generic_node): Likewise.
15272 (op_prio): Likewise.
15273 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15274 * tree-ssa-operands.c (get_expr_operands): Added case for
15276 * tree-vect-patterns.c (widened_name_p): New function.
15277 (vect_recog_dot_prod_pattern): Added function implementation.
15278 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15279 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15280 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15281 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15283 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15284 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15285 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15286 (init_optabs): Initialize new optabs widen_ssum_optab,
15288 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15289 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15290 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15291 use instead of type of def.
15292 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15293 function implementation.
15294 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15295 widen_ssumv8hi): New.
15297 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15300 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15303 * c-decl.c (add_flexible_array_elts_to_size): New function.
15304 (finish_decl): Use it.
15306 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15308 * diagnostic.h: Include options.h.
15309 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15310 dependancies for diagnostic.h.
15311 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15313 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15315 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15316 (ssa_ro_call_cache_valid): Ditto.
15317 * tree-ssa-alias.c (sort_tags_by_id): New function.
15318 (init_transitive_clobber_worklist): Ditto.
15319 (add_to_worklist): Ditto.
15320 (mark_aliases_call_clobbered): Ditto.
15321 (compute_tag_properties): Ditto.
15322 (set_initial_properties): Ditto.
15323 (compute_call_clobbered): Ditto.
15324 (compute_may_aliases): Call compute_call_clobbered and grouping.
15325 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15326 (compute_flow_insensitive_aliasing): Grouping now happens in our
15328 (setup_pointers_and_addressables): Remove clobbering related code.
15329 (add_may_alias): Ditto.
15330 (replace_may_alias): Ditto.
15331 (get_nmt_for): Ditto.
15332 (create_global_var):
15333 (is_escape_site): Return an escape_type enumeration.
15334 * tree-flow-inline.h (is_call_clobbered): Global var does not
15335 imply call clobbered.
15336 (mark_call_clobbered): Take a reason for marking this. Remove
15337 marking of globalness, and cache invalidation.
15338 (clear_call_clobbered): Remove cache invalidation code.
15339 * tree-dfa.c (dump_variable): If details is on, dump the reason
15341 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15343 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15344 (struct var_ann_d): Ditto.
15345 (enum escape_type): New.
15346 (mark_call_clobbered): Adjust prototype.
15347 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15348 are never call clobbered.
15349 Record reasons for escaping.
15350 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15351 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15352 (ssa_ro_call_cache_valid): Ditto.
15353 (clobbered_v_may_defs): Ditto.
15354 (clobbered_vuses): Ditto.
15355 (ro_call_vuses): Ditto.
15356 (clobber_stats): New.
15357 (init_ssa_operands): Zero out clobber stats.
15358 (fini_ssa_operands): Print out clobber stats.
15359 (get_call_expr_operands): Pass callee fndecl to
15360 add_call_read_ops).
15361 (add_call_clobber_ops): Remove use of cache.
15362 Add use of PURE_CONST information.
15363 (add_call_read_ops): Remove use of cache.
15364 Add use of static not_read information.
15366 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15368 Introduce TLS descriptors for i386 and x86_64.
15369 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15370 (TARGET_ANY_GNU_TLS): New macro.
15371 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15372 (struct machine_function): Add tls_descriptor_call_expanded_p.
15373 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15374 (ix86_current_function_calls_tls_descriptor): Likewise.
15375 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15376 (override_options): Introduce gnu2 tls dialect.
15377 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15379 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15381 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15382 (ix86_init_machine_status): Initialize new field.
15383 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15384 (ix86_tls_module_base): New.
15385 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15386 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15387 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15388 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15389 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15390 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15391 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15392 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15393 * config/i386/predicates.md (tls_modbase_operand): New.
15394 (tp_or_register_operand): New.
15396 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15398 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15399 (look_for_address_of): Ditto.
15400 (ipa_init): Walk the function decls.
15401 (static_execute): Don't set readonly on FUNCTION_DECL's.
15403 2006-01-18 Roger Sayle <roger@eyesopen.com>
15405 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15406 for shifts where the source and destination registers are different.
15408 2006-01-18 Paul Brook <paul@codesourcery.com>
15410 Merge from csl-arm-branch.
15411 2005-03-14 Julian Brown <julian@codesourcery.com>
15412 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15413 (aeabi_llsl): Likewise.
15414 (ashrdi3): Likewise.
15415 (aeabi_lasr): Likewise.
15416 (lshrdi3): Likewise.
15417 (aeabi_llsr): Likewise.
15418 2005-03-10 Julian Brown <julian@codesourcery.com>
15419 * config.gcc: Disable shared libgcc for SymbianOS.
15420 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15422 2006-01-18 DJ Delorie <dj@redhat.com>
15424 * c-pragma.c (handle_pragma_diagnostic): New.
15425 (init_pragma): Register it.
15426 * doc/extend.texi: Document it.
15428 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15429 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15430 (diagnostic_context): Add classify_diagnostic[].
15431 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15432 as errors if they're overridden to DK_WARNING.
15433 (diagnostic_initialize): Initialize classify_diagnostic[].
15434 (diagnostic_set_kind_override): New.
15435 (diagnostic_report_diagnostic): Check for kind changes.
15436 * opts.c (common_handle_option): Take lang_mask. Update callers.
15437 Handle OPT_Werror_.
15438 * common.opt (Werror=): New.
15439 * doc/invoke.texi: Document -Werror=*
15441 2006-01-18 Jeff Law <law@redhat.com>
15443 * tree-vrp.c (test_for_singularity): Correct test for new
15444 min limit. Use operand_equal_p rather than pointer equality
15445 for testing if new min/max values are equal.
15447 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15448 using range information until after propagation and folding.
15450 2006-01-18 Richard Henderson <rth@redhat.com>
15451 Aldy Hernandez <aldyh@redhat.com>
15452 Jakub Jelinek <jakub@redhat.com>
15453 Diego Novillo <dnovillo@redhat.com>
15455 * omp-low.c: New file.
15456 * c-omp.c: New file.
15458 2006-01-18 Richard Henderson <rth@redhat.com>
15459 Jakub Jelinek <jakub@redhat.com>
15460 Diego Novillo <dnovillo@redhat.com>
15462 * doc/invoke.texi: Document -fopenmp.
15463 * tree-dump.h (debug_function): Declare.
15464 * hooks.c (hook_bool_tree_bool_false): New function.
15465 (hook_tree_tree_null): Remove.
15466 (hook_tree_tree_tree_null): New.
15467 * hooks.h: Update to match.
15468 * tree-pretty-print.c (debug_tree_chain): New.
15469 (print_generic_expr): Handle TDF_CHAIN.
15470 (dump_generic_node): Handle BLOCK.
15471 Do not abort with incomplete SWITCH_EXPRs.
15472 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15473 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15474 print space after directive name.
15475 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15476 Handle OMP_MASTER and OMP_ORDERED.
15477 Handle printing of OMP_BODY just in one place, goto
15478 dump_omp_body in the rest of OMP_* nodes that have
15480 Don't handle clause nodes here. Update omp statements to
15481 use dump_omp_clauses.
15482 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15483 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15484 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15485 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15486 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15487 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15488 Adjust output for GOMP_PARALLEL.
15489 (dump_omp_clauses): New.
15490 (print_declaration): Dump DECL_VALUE_EXPR.
15491 (op_symbol_1): Split out of op_symbol.
15492 (dumping_stmts): Remove. Update all users.
15493 * cgraph.c (cgraph_analyze_queue): New.
15494 (cgraph_add_new_function): New.
15495 * cgraph.h (cgraph_analyze_queue): Declare.
15496 (cgraph_add_new_function): Declare.
15497 (cgraph_lower_function): Remove.
15498 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15499 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15500 and TYPE_P nodes in its default clause.
15501 (empty_body_p): New.
15502 (tree_range_check_failed): New.
15503 (build5_stat): New.
15504 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15505 OMP_CLAUSE_REDUCTION_MERGE,
15506 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15507 OMP_CLAUSE_PRIVATE_DEBUG,
15508 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15509 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15510 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15511 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15512 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15513 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15514 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15515 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15516 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15517 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15518 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15519 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15520 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15521 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15522 (TREE_RANGE_CHECK): New.
15523 (empty_body_p): Declare.
15524 (enum omp_clause_default_kind): New.
15525 (build_string_literal): Declare.
15526 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15527 (build5_stat, build5): Declare.
15528 * tree-pass.h (TDF_CHAIN): Define.
15529 * tree-pass.h (PROP_gimple_lomp): Define.
15530 (pass_lower_omp): Declare.
15531 * diagnostic.h (debug_tree_chain): Declare.
15532 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15534 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15535 * builtins.c (build_string_literal): Make extern.
15536 * gcc.c (include_spec_function): New.
15537 (static_spec_functions): Add it.
15538 (main): Move load of libgomp.spec ...
15539 (LINK_COMMAND_SPEC): ... here.
15540 (link_gomp_spec): New.
15541 (static_specs): Include it.
15542 (LINK_COMMAND_SPEC): Add link_gomp.
15543 (GOMP_SELF_SPECS): New.
15544 (driver_self_specs): Include it.
15545 (switch_matches): Don't mark inline.
15546 (main): Load libgomp.spec.
15547 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15548 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15549 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15550 * tree-gimple.h (enum omp_parallel): Declare.
15551 (determine_parallel_type): Declare.
15552 (omp_firstprivatize_variable): Declare.
15553 (omp_reduction_init): Declare.
15554 (diagnose_omp_structured_block_errors): Declare.
15555 (struct walk_stmt_info): Add want_return_expr.
15556 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15557 (find_omp_clause): Declare.
15558 (insert_field_into_struct): Declare.
15559 (struct walk_stmt_info): Move from tree-nested.c
15560 (walk_stmts): Declare.
15561 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15563 * cgraphunit.c (cgraph_lower_function): Make static.
15564 (cgraph_finalize_pending_functions): New.
15565 (cgraph_finalize_function): Call it.
15566 (cgraph_finalize_compilation_unit): Likewise.
15567 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15568 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15569 (BT_FN_UINT_UINT): New.
15570 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15571 DEF_FUNCTION_TYPE_VAR_4): Document.
15572 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15573 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15574 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15575 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15576 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15577 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15578 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15579 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15580 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15581 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15582 into separate files.
15583 (DEF_GOMP_BUILTIN): New.
15584 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15585 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15586 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15587 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15588 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15589 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15590 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15591 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15592 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15593 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15594 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15595 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15596 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15597 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15598 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15599 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15600 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15601 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15602 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15603 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15604 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15605 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15606 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15607 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15608 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15609 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15610 * sync-builtins.def: New file, moved from builtins.def.
15611 * omp-builtins.def: New file, moved from builtins.def.
15612 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15613 * gimple-low.c (lower_function_body): Clear data.
15614 (lower_stmt): Do not handle COMPOUND_EXPR.
15615 Remove call to print_node_brief.
15616 * c-tree.h (c_finish_omp_clauses): New prototype.
15617 (C_DECL_THREADPRIVATE_P): Define.
15618 (lookup_name_no_remap, c_omp_remap_private): Remove
15619 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15620 (check_for_loop_decls): Update decl.
15621 (lookup_name_no_remap, c_omp_remap_private): Declare.
15622 (build_indirect_ref, build_modify_expr, pushdecl,
15623 pushdecl_top_level): Move to c-common.h.
15624 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15625 before the switch, but just in the 2 places that need it.
15626 * c-decl.c (diagnose_mismatched_decls): Do not check for
15627 mismatched thread-local attributes when OLDDECL is marked
15628 threadprivate and NEWDECL has no thread-local attributes.
15629 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15630 (c_gimple_diagnostics_recursively): Rename from
15631 c_warn_unused_result_recursively. Invoke
15632 diagnose_omp_structured_block_errors.
15633 (check_for_loop_decls): Return a singular decl found.
15634 * langhooks.c (lhd_omp_predetermined_sharing): Return
15635 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15636 (lhd_omp_firstprivatize_type_sizes): New.
15637 (lhd_omp_assignment): New.
15638 (lhd_omp_predetermined_sharing): New.
15639 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15640 (struct lang_hooks_for_types): Add
15641 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15642 omp_predetermined_sharing, omp_disregard_value_expr,
15643 omp_private_debug_clause, omp_clause_default_ctor,
15644 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15645 (c_finish_omp_clauses): New.
15646 (c_finish_bc_stmt): Diagnose break within omp for.
15647 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15648 (build_unary_op): Return error_mark after reporting
15650 (build_modify_expr): Likewise.
15651 * gimplify.c: Include optabs.h and pointer-set.h.
15652 (enum gimplify_omp_var_data): Declare.
15653 (struct gimplify_omp_ctx): Declare.
15654 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15656 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15657 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15658 (splay_tree_compare_decl_uid): New.
15659 (new_omp_context): New.
15660 (delete_omp_context): New.
15661 (gimple_add_tmp_var): Call omp_add_variable.
15662 (gimplify_bind_expr): Likewise.
15663 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15664 true, disregard DECL_VALUE_EXPR on the decl if any.
15665 (gimplify_expr_in_ctx): New.
15666 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15667 omp_add_variable, omp_notice_variable, omp_is_private
15668 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15669 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15670 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15671 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15672 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15673 gimplify_omp_atomic): New.
15674 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15675 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15676 OMP_CRITICAL and OMP_ATOMIC.
15677 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15678 * c-pragma.h (enum pragma_kind): Add
15679 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15680 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15681 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15682 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15683 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15684 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15685 PRAGMA_OMP_THREADPRIVATE.
15686 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15687 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15688 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15689 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15690 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15691 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15692 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15693 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15694 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15695 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15696 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15697 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15698 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15700 (struct nesting_info): Add field_map,
15701 suppress_expansion, debug_var_chain.
15702 (create_nesting_tree): Initialize them.
15703 (lookup_field_for_decl): Use field_map.
15704 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15705 (convert_local_omp_clauses): New.
15706 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15707 (walk_body): Split out of walk_function.
15708 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15709 (convert_nonlocal_reference): Handle omp statements.
15710 (convert_local_reference): Likewise.
15711 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15712 (unnest_nesting_tree): New.
15713 (lower_nested_functions): Call it.
15714 (insert_field_into_struct): Make extern.
15715 (struct walk_stmt_info): Move to tree-gimple.h.
15716 (walk_stmts): Make extern.
15717 * omp-builtins.def: New file.
15718 * tree-iterator.c (expr_only): Clarify comment.
15719 * c-common.h (pushdecl_top_level, pushdecl,
15720 build_modify_expr, build_indirect_ref,
15721 c_finish_omp_master, c_finish_omp_critical,
15722 c_finish_omp_ordered, c_finish_omp_barrier,
15723 c_finish_omp_atomic, c_finish_omp_flush,
15724 c_finish_omp_for, c_split_parallel_clauses,
15725 omp_clause_default_kind, c_omp_sharing_predetermined,
15726 c_omp_remap_decl): Declare.
15727 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15728 (OBJS-common): Add omp-low.o.
15729 (c-omp.o, omp-low.o): Add.
15730 (gimplify.o): Add dependency on $(OPTABS_H).
15731 (GTFILES): Add omp-low.c.
15732 (gt-stringpool.h): Add.
15733 * tree-cfg.c (set_bb_for_stmt): Do not update the
15734 block-to-labels map if we are currently expanding to RTL.
15735 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15737 Handle IDENTIFIER_NODE.
15738 (tree_verify_flow_info): Do not ICE when emitting error
15739 messages about invalid labels.
15740 (dump_function_to_file): Reset CFUN before emitting the body
15742 (debug_function): New.
15743 * passes.c (init_optimization_passes): Schedule
15745 * langhooks-def.h (lhd_omp_predetermined_sharing,
15746 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15748 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15749 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15750 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15751 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15752 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15753 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15754 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15755 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15756 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15757 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15758 (LANG_HOOK_DECLS): Use them.
15760 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15761 Richard Henderson <rth@redhat.com>
15762 Jakub Jelinek <jakub@redhat.com>
15763 Diego Novillo <dnovillo@redhat.com>
15765 * c-parser.c (pragma_omp_clause): Define.
15766 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15767 (c_parser_compound_statement): Likewise.
15768 (c_parser_statement): Likewise.
15769 (c_parser_pragma): Handle omp pragmas.
15770 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15771 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15772 (c_parser_omp_clause_name, check_no_duplicate_clause,
15773 c_parser_omp_variable_list,
15774 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15775 c_parser_omp_clause_copyprivate,
15776 c_parser_omp_clause_default,
15777 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15778 c_parser_omp_clause_lastprivate,
15779 c_parser_omp_clause_nowait,
15780 c_parser_omp_clause_num_threads,
15781 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15782 c_parser_omp_clause_reduction,
15783 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15784 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15785 c_parser_omp_atomic, c_parser_omp_barrier,
15786 c_parser_omp_critical, c_parser_omp_flush,
15787 c_parser_omp_for_loop, c_parser_omp_for,
15788 c_parser_omp_master, c_parser_omp_ordered,
15789 c_parser_omp_sections_scope, c_parser_omp_sections,
15790 c_parser_omp_parallel, c_parser_omp_single,
15791 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15792 * c-pragma.c (init_pragma): Do omp pragma registration here.
15793 * c.opt (fopenmp): New flag.
15795 2006-01-18 Eric Christopher <echristo@apple.com>
15797 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15798 * config/darwin.h (GOMP_SELF_SPECS): Define.
15800 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15802 * rtl.h: Remove the prototype for reg_alloc.
15804 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15807 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15808 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15809 sjlj and dwarf2 exception handling.
15810 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15811 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15812 * pa/pa.c (function_value): Treat complex and vector types as
15814 (function_arg): Likewise. Only pass scalar floats in the floating
15815 point argument registers.
15816 * pa/t-slibgcc-dwarf-ver: New file.
15817 * pa/t-slibgcc-sjlj-ver: New file.
15818 * pa/t-slibgcc-elf-ver: Delete file.
15820 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15822 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15823 unlikely_test_section_p test.
15825 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15827 * mode-switching.c (optimize_mode_switching): Make it static.
15828 * basic-block.h: Remove the prototype for
15829 optimize_mode_switching.
15831 * modulo-sched.c (sms_schedule): Make it static.
15832 * rtl.h: Remove the prototype for sms_schedule.
15834 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15835 * rtl.h: Remove the prototype for gcse_after_reload_main.
15837 * reg-stack.c (reg_to_stack): Make it static.
15838 * rtl.h: Remove the prototype for reg_to_stack.
15840 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15842 * rtl.h: Remove the prototypes for regrename_optimize and
15843 copyprop_hardreg_forward.
15845 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15847 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15848 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15849 Test against the appropriate null constant for the mode.
15850 If 'fixup_overlap' is true, swap the operands if they overlap.
15851 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15852 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15853 alpha_split_tmode_pair and adjust for above change.
15854 * config/alpha/alpha.md (movtf_internal): Adjust call to
15855 alpha_split_tfmode_pair and rely on it to swap the operands.
15856 (movti_internal): New insn and post-reload splitter.
15857 (movti): New expander.
15859 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15861 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15864 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15866 * rtlanal.c (global_reg_mentioned_p_1,
15867 global_reg_mentioned_p): Remove.
15868 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15870 * flow.c (initialize_uninitialized_subregs): Make it static.
15871 * rtl.h: Remove the prototype for
15872 initialize_uninitialized_subregs.
15874 * function.c (instantiate_virtual_regs): Make it static.
15875 * function.h: Remove the prototype for
15876 instantiate_virtual_regs.
15878 * regmove.c (regmove_optimize, combine_stack_adjustments):
15880 * rtl.h: Remove the prototypes for regmove_optimize and
15881 combine_stack_adjustments.
15883 2006-01-17 Roger Sayle <roger@eyesopen.com>
15885 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15886 (size_cost): Encode costs in bytes so that a reg-reg addition is
15887 equivalent to COSTS_N_INSNS(1).
15888 (override_options): Use the size_cost.branch_cost as the default
15889 ix86_branch_cost when optimizing for size.
15891 2006-01-18 Ben Elliston <bje@au.ibm.com>
15893 * Makefile.in (D32PBIT_FUNCS): New.
15894 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15895 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15896 D64PBIT_FUNCS and D128PBIT_FUNCS.
15897 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15898 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15900 (decnumber_dep): Define.
15901 * doc/libgcc.texi (Decimal float library routines): New node.
15902 * config/dfp-bit.h, config/dfp-bit.c: New files.
15904 2006-01-18 Ben Elliston <bje@au.ibm.com>
15906 * expr.c (emit_move_change_mode): Always adjust addresses, not
15907 just during reload. Copy replacements only during reload.
15908 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15909 emit_move_via_integer.
15911 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15913 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15914 instead of $(srcdir) and ${srcdir}.
15916 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15919 PR middle-end/11135
15920 * arm.h (struct machine_function): Add pic_reg.
15921 * arm.c (arm_pic_register): Make unsigned.
15922 (arm_override_options): Only set arm_pic_register if
15923 TARGET_SINGLE_PIC_BASE.
15924 (use_return_insn): Only test for a pic register if it is fixed.
15925 (arm_compute_save_reg0_reg12_mask): Likewise.
15926 (thumb_compute_save_reg_mask): Likewise.
15927 (legitimate_pic_operand): Factor out some known invariants.
15928 (legitimize_pic_address): If we don't have a fixed pic register,
15929 then set up a pseudo in the function entry sequence. Handle the
15930 pic base being in a pseudo.
15931 (arm_load_pic_register): Handle the pic register being in a pseudo.
15932 (arm_expand_prologue): Only set up the pic register if it is fixed.
15933 (thumb_expand_prologue): Likewise.
15934 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15935 (pic_load_addr_based_insn): Likewise.
15936 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15939 2006-01-18 Ben Elliston <bje@au.ibm.com>
15941 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15942 decimal float modes for all floating point registers.
15944 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15945 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15947 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15950 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15951 even when the pointer is not NULL.
15953 2006-01-16 Ian Lance Taylor <ian@airs.com>
15955 * common.opt (ftoplevel-reorder): New option.
15956 * cgraph.c (cgraph_asm_nodes): New global variable.
15957 (cgraph_asm_last_node): New static variable.
15958 (cgraph_order): New global variable.
15959 (cgraph_create_node): Set new order field.
15960 (cgraph_varpool_node): Likewise.
15961 (decide_is_variable_needed): Return true if not
15962 flag_toplevel_reorder.
15963 (cgraph_add_asm_node): New function.
15964 * cgraph.h (struct cgraph_node): Add order field.
15965 (struct cgraph_varpool_node): Add order field.
15966 (struct cgraph_asm_node): Define.
15967 (cgraph_asm_nodes, cgraph_order): Declare.
15968 (cgraph_add_asm_node): Declare.
15969 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15971 (cgraph_varpool_assemble_pending_decls): Call it.
15972 (cgraph_output_pending_asms): New static function.
15973 (cgraph_finalize_compilation_unit): Call it.
15974 (struct cgraph_order_sort): Define.
15975 (cgraph_output_in_order): New static function.
15976 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15977 !flag_toplevel_reorder case.
15978 * c-parser.c: Include "cgraph.h".
15979 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15981 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15982 than -fno-unit-at-a-time.
15983 * doc/invoke.texi (Option Summary): Mention
15984 -fno-toplevel-reorder.
15985 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15986 -funit-at-a-time documentation.
15988 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15989 Kazu Hirata <kazu@codesourcery.com>
15991 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15993 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15995 * Makefile.in (FUNCTION_H): New. Use it instead of
15996 function.h throughout the file.
15997 * function.h: Include tree.h.
15999 2006-01-17 Ben Elliston <bje@au.ibm.com>
16001 * recog.c: Separate some functions with whitespace.
16003 2006-01-16 Richard Henderson <rth@redhat.com>
16005 Merge from gomp branch:
16006 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16007 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16008 and rename from struct inline_data. Rename callee* to dst*;
16009 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16010 transform_new_cfg, transform_return_to_modify, and
16011 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16013 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16014 (copy_decl_for_dup): Remove.
16015 * tree-inline.c (struct inline_data): Move to header.
16016 (insert_decl_map): Export.
16017 (remap_decl): Update for member name changes. Use copy_decl hook.
16018 Allow for replacement to be a non-decl. Remove dead code.
16019 (remap_type_1): Check for existing mapping.
16020 (remap_type): Export.
16021 (remap_decls): Update for member name changes.
16022 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16023 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16024 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16025 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16026 (tree_function_versioning, build_duplicate_type): Likewise.
16027 (copy_body_r): Likewise. Export.
16028 (copy_decl_for_dup): Split into ...
16029 (copy_decl_for_dup_finish, copy_decl_to_var,
16030 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16031 (replace_ref_tree, inlining_p): Remove.
16033 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16035 * ifcvt.c (if_convert): Make it static.
16036 * rtl.h: Remove the prototype for if_convert.
16038 * local-alloc.c (local_alloc): Make it static.
16039 * rtl.h: Remove the prototype for local_alloc.
16041 * loop.c (loop_optimize): Make it static.
16042 * cfgloop.h: Remove the prototype for loop_optimize.
16045 2006-01-16 DJ Delorie <dj@redhat.com>
16047 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16050 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16052 * pa.md: Disparage copies between general and floating-point registers
16053 in 32-bit move patterns.
16055 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16058 * Makefile.in (check-%): Depend on site.exp instead of
16059 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16062 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16064 * global.c (global_alloc): Make it static.
16065 * rtl.h: Remove the prototype for global_alloc.
16067 2006-01-16 Richard Guenther <rguenther@suse.de>
16069 * tree-ssa-alias.c (struct used_part): Add write_only field.
16070 (get_or_create_used_part_for): Initialize it to true.
16071 (create_overlap_variables_for): Don't create structure variables
16072 for structures that only are written to.
16073 (find_used_portions): Handle MODIFY_EXPR to track whether a
16074 structure is only written to.
16076 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16078 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16080 * basic-block.h: Remove the prototype for
16081 partition_hot_cold_basic_blocks.
16083 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16085 * cppspec.c (lang_specific_spec_functions): Remove.
16086 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16087 * gcc.h (lang_specific_spec_functions): Remove.
16088 * gccspec.c (lang_specific_spec_functions): Remove.
16090 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16092 * combine.c (record_value_for_reg): Invalidate registers
16094 (record_dead_and_set_regs_1): Likewise, by passing them to
16095 record_value_for_reg.
16096 (record_dead_and_set_regs): Invalidate stores made by a
16097 call. We do not combine across a call, but we still
16098 relied on equivalences.
16100 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16102 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16103 vrp_int_const_binop returning non-constant nodes.
16105 2006-01-16 Paul Brook <paul@codesourcery.com>
16107 * config/m68k/m68k.c (output_move_const_into_data_reg):
16108 Output correct mnemonic for mvz and mvs.
16110 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16112 * rtl-factoring.c: Add sequence abstraction algorithm.
16113 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16114 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16116 (block_has_preserve_label): New function.
16117 * common.opt: Register new pass.
16118 * Makefile.in: Ditto.
16120 * timevar.def: Ditto.
16121 * tree-pass.h: Ditto.
16122 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16123 * rtl.h (make_jump_insn_raw): Add forward decl.
16124 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16126 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16127 Roger Sayle <roger@eyesopen.com>
16129 * fold-const.c (fold_minmax): New static function.
16130 (fold_binary) <MIN_EXPR>: Call it.
16131 <MAX_EXPR>: Likewise.
16132 * stor-layout.c (place_field): Use DECL_SIZE consistently
16133 in the computation of the new record size.
16135 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16137 * cse.c (cse_condition_code_reg): Make it static.
16138 * rtl.h: Remove the prototype for cse_condition_code_reg.
16140 * combine.c (combine_instructions): Make it static.
16141 * rtl.h: Remove the prototype for combine_instructions.
16143 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16146 * tree.c (get_file_function_name_long): Concatenate the first global
16147 object name with a string derived from the input filename of the object
16150 2006-01-16 Ben Elliston <bje@au.ibm.com>
16152 * config/i386/winnt-stubs.c: Update FSF address.
16153 * config/xtensa/ieee754-df.S: Ditto.
16154 * config/xtensa/ieee754-sf.S: Ditto.
16156 2006-01-14 Ian Lance Taylor <ian@airs.com>
16158 * ifcvt.c (noce_init_if_info): New static function, broken out of
16159 noce_process_if_block.
16160 (noce_process_if_block): Call noce_init_if_info.
16161 (check_cond_move_block): New static function.
16162 (cond_move_process_if_block): New static function.
16163 (process_if_block): Call cond_move_process_if_block.
16165 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16167 * cselib.c (hash_table): Rename to cselib_hash_table.
16168 (cselib_clear_table, discard_useless_values,
16169 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16170 cselib_init, cselib_finish): Adjust uses of hash_table.
16172 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16174 PR tree-optimization/25485
16175 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16176 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16177 is known to be false and true, respectively.
16179 2006-01-14 Richard Guenther <rguenther@suse.de>
16181 PR tree-optimization/22548
16182 PR tree-optimization/22555
16183 PR tree-optimization/22501
16184 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16185 * params.def (salias-max-array-elements): New parameter.
16186 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16187 * doc/invoke.texi (salias-max-array-elements): Document.
16188 * tree-flow-inline.h (var_can_have_subvars): We also handle
16190 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16192 * tree-ssa-structalias.c (params.h): Include.
16193 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16194 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16195 (get_constraint_for): For ADDR_EXPR operating on something
16196 containing an ARRAY_REF, add all subvars to the solution.
16197 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16198 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16199 for creating MUST_DEFs.
16200 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16202 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16204 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16206 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16207 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16208 number_of_iterations_le): New functions.
16209 (number_of_iterations_special): Removed.
16210 (number_of_iterations_exit): Do not use number_of_iterations_special.
16211 * tree.c (unsigned_type_for): Always return integer type.
16213 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16214 Richard Guenther <rguenther@suse.de>
16216 PR rtl-optimization/24257
16217 * gcse.c (find_moveable_store): Only consider a store movable
16218 when the SET_SRC of the insn can be assigned to a register.
16220 2006-01-14 Ian Lance Taylor <ian@airs.com>
16222 * tree.c (tree_not_class_check_failed): New function.
16223 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16224 (tree_not_class_check_failed): Declare.
16226 2006-01-13 Ian Lance Taylor <ian@airs.com>
16228 * reload1.c (do_output_reload): Add assertion rejecting a
16231 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16233 * combine.c (struct reg_stat): Add new fields truncation_label and
16235 (record_value_for_reg): Reset truncated_to_mode.
16236 (record_truncated_value): New function.
16237 (check_promoted_subreg): Call it. Rename to check_conversions.
16238 (combine_instructions): Rename check_promoted_subreg to
16240 (reg_truncated_to_mode): New function.
16241 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16242 (gen_lowpart_or_truncate): New function.
16243 (force_to_mode): Use it instead of gen_lowpart.
16245 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16247 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16248 VAR is a tag, not its type tag.
16250 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16252 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16253 alternatives to match style of other entries.
16254 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16256 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16258 PR tree-optimization/25771
16259 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16262 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16265 * tree-inline.c (declare_return_variable): If the return variable
16266 was marked as a non gimple complex, set the return slot variable
16267 to be a non gimple comple variable.
16269 2006-01-13 Richard Guenther <rguenther@suse.de>
16271 * builtins.c (expand_builtin_sincos): New function.
16272 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16274 (expand_builtin): Expand sincos using expand_builtin_sincos.
16276 2006-01-12 DJ Delorie <dj@redhat.com>
16278 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16279 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16280 so that constant shifts can be split.
16281 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16282 (m32c_valid_pointer_mode): Make static.
16283 (shift_gen_func_for): New.
16284 (m32c_prepare_shift): Use it. Split large const shifts into
16286 * config/m32c/predicates.md (shiftcount_operand): Allow more
16288 (longshiftcount_operand): New.
16289 * doc/md.texi (Machine Constraints): Document In6.
16291 2006-01-13 Ben Elliston <bje@au.ibm.com>
16293 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16294 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16297 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16299 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16300 to try to avoid clobbering pieces of structures when we know
16301 something about the whole structure.
16302 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16304 2006-01-13 Ben Elliston <bje@au.ibm.com>
16306 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16307 return in memory, as this is no limitation is no longer present.
16309 2006-01-12 DJ Delorie <dj@redhat.com>
16311 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16312 mova with fb, and for fb+0 -> An.
16314 * config/m32c/mov.md (peephole2): Fix enabling logic.
16316 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16317 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16318 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16319 FINI_ARRAY_SECTION_ASM_OP): Define.
16321 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16323 (m32c_legitimize_reload_address): New logic to reload FB to An.
16324 (m32c_output_reg_push): Add newline.
16325 (m32c_output_reg_pop): Likewise.
16327 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16329 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16331 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16333 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16335 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16337 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16340 2006-01-11 Ben Elliston <bje@au.ibm.com>
16342 * rtlanal.c (find_reg_note): Assert insn is not null.
16344 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16346 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16349 2006-01-11 Jeff Law <law@redhat.com>
16351 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16353 (mark_threaded_blocks, register_jump_thread): New functions.
16354 (thread_through_all_blocks): Remove unwanted argument. No
16355 longer rely on e->aux to communicate thread target info.
16356 Call mark_threaded_blocks. Release the threaded_blocks
16357 bitmap and threaded_edges vector when complete.
16358 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16359 (threaded_blocks): Remove.
16360 (tree_ssa_dominator_optimize): Remove initialization and
16361 finalization of threaded_blocks. Simplify call to
16362 thread_through_all_blocks.
16363 (thread_across_edge): Call register_jump_thread rather than
16364 storing thread information into e->aux.
16365 (free_all_edge_infos): Simplify now that e->aux is no longer
16366 used to communicate with thread_through_all_blocks.
16367 * tree-flow.h (thread_through_all_blocks): Update prototype.
16368 (register_jump_thread): Prototype.
16370 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16372 * df-core.c (df_compact_blocks, df_bb_replace): Use
16373 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16375 2006-01-11 Richard Guenther <rguenther@suse.de>
16377 PR tree-optimization/25734
16378 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16379 stop propagation after successful propagation to the LHS.
16381 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16383 * basic-block.h (control_flow_graph): Change the type of
16384 x_basic_block_info to VEC(basic_block,gc) *.
16385 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16387 (SET_BASIC_BLOCK): New.
16388 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16389 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16390 * cfgbuild.c (find_basic_blocks): Likewise.
16391 * cfglayout.c (fixup_reorder_chain): Likewise.
16392 * cfgrtl.c (create_basic_block_structure,
16393 rtl_create_basic_block): Likewise.
16394 * ifcvt.c (find_if_case_1): Likewise.
16395 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16398 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16400 * Makefile.in: Removed rotted odf.c entry.
16402 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16405 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16406 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16407 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16408 output pattern modifier, not %e.
16409 * config/cris/cris.c (cris_op_str): Update comment about pattern
16411 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16412 before falling through into...
16413 <case 'E'>: Redefined from old 'e' case.
16415 2006-01-11 Jan Hubicka <jh@suse.cz>
16418 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16420 2006-01-11 Jan Hubicka <jh@suse.cz>
16422 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16423 * i386.c (x86_decompose_lea): Kill.
16424 (ix86_rtx_costs): Kill.
16426 2006-01-11 Jan Hubicka <jh@suse.cz>
16428 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16429 * cgraph.h (cgraph_node): Add inline_decl.
16430 (cgraph_insert_node_to_hashtable): Declare.
16431 (save_inline_function_body): Declare.
16432 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16434 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16435 (cgraph_function_versioning): Update call of tree_function_versioning.
16436 (save_inline_function_body): New function.
16437 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16438 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16439 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16440 (cgraph_default_inline_p): Likewise.
16441 (cgraph_decide_inlining_incrementally): Likewise.
16442 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16443 (copy_bb): Kill saving; do updating of clones.
16444 (copy_cfg_body): Kill saving.
16445 (initialize_inlined-parameters): Likewise.
16446 (expand_call_inline): Likewise.
16448 (tree_function_versioning): New parameter "update_clones".
16449 (inlining_p): Kill saving.
16450 * tree-inline.h (tree_function_versioning): Update prototype.
16451 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16454 2006-01-11 Ian Lance Taylor <ian@airs.com>
16456 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16457 Allow undoing set of machine mode.
16458 (do_SUBST): Use enums instead of is_int.
16459 (do_SUBST_MODE): New function.
16460 (SUBST_MODE): New macro.
16461 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16462 reg and trying to replace reg_regno_rtx with a new register.
16463 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16464 (simplify_set): Use SUBST_MODE.
16465 (distribute_notes): Remove code that tried to update reg notes
16466 for regno_reg_rtx changes.
16468 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16470 PR tree-optimization/23109
16471 PR tree-optimization/23948
16472 PR tree-optimization/24123
16474 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16475 * tree-cfg.c (single_noncomplex_succ): New.
16476 * tree-flow.h (single_noncomplex_succ): Declare it.
16477 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16478 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16479 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16480 insert_bb, register_division_in, insert_reciprocals,
16481 replace_reciprocal, free_bb): New.
16482 (execute_cse_reciprocals_1): Rewritten.
16483 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16484 Do not commit any edge insertion. Always compute dominators and
16485 create the allocation pool.
16486 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16487 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16488 * targhooks.c (default_min_divistions_for_recip_mul): New.
16489 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16490 * passes.c (init_optimization_passes): Run recip after tree loop
16492 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16494 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16495 Kenneth Zadeck <zadeck@naturalbridge.com>
16497 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16498 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16499 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16500 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16501 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16502 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16503 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16504 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16505 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16506 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16507 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16508 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16509 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16510 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16511 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16512 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16513 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16514 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16515 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16516 DF_SCAN_POST_ALLOC): New macros.
16517 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16518 df_free_bb_function, df_local_compute_function, df_init_function,
16519 df_dataflow_function, df_confluence_function_0,
16520 df_confluence_function_n, df_transfer_function,
16521 df_finalizer_function, df_free_function, df_dump_problem_function,
16522 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16523 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16524 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16525 df_urec_bb_info, ) New types.
16526 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16528 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16529 df_analyze_simple_change_some_blocks,
16530 df_analyze_simple_change_one_block, df_compact_blocks,
16531 df_bb_replace, df_bb_regno_last_use_find,
16532 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16533 df_insn_regno_def_p, df_find_def, df_find_use,
16534 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16535 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16536 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16537 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16538 debug_df_chain, df_get_dependent_problem, df_chain_create,
16539 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16540 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16541 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16542 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16543 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16544 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16545 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16546 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16547 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16548 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16549 df_reorganize_refs, df_set_state, df_hard_reg_init,
16550 df_read_modify_subreg_p) New public functions.
16551 * df-core.c: The core dataflow solver and glue routines for rtl
16553 (df_init, df_add_problem, df_set_blocks, df_finish,
16554 df_hybrid_search_forward, df_hybrid_search_backward,
16555 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16556 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16557 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16558 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16559 df_reg_defined, df_find_use, df_reg_used, df_dump,
16560 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16561 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16562 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16563 debug_df_useno, reset_df_after_reload): New functions.
16564 * df-scan.c: The scanning fuctions, once in df.c, completely
16565 rewritten so that they now fully model the functionality of
16566 register usage at the backend.
16567 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16568 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16569 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16570 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16571 df_get_artificial_defs, df_get_artificial_uses,
16572 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16573 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16574 df_refs_delete, df_reorganize_refs, df_set_state,
16575 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16576 df_def_record_1, df_defs_record, df_uses_record,
16577 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16578 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16579 df_record_exit_block_uses, df_hard_reg_init): New functions.
16581 * df-problems.c: Seven concrete dataflow problems that use the
16582 scanning in df-scan.c and are solved by the engine in df-core.c.
16583 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16584 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16585 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16586 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16587 df_ru_free_bb_info, df_ru_alloc,
16588 df_ru_bb_local_compute_process_def,
16589 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16590 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16591 df_ru_transfer_function, df_ru_free, df_ru_dump,
16592 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16593 df_rd_free_bb_info, df_rd_alloc,
16594 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16595 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16596 df_rd_transfer_function, df_rd_free, df_rd_dump,
16597 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16598 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16599 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16600 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16601 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16602 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16603 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16604 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16605 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16606 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16607 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16608 df_urec_mark_reg_use_for_earlyclobber,
16609 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16610 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16611 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16612 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16613 df_chain_create_bb_process_use, df_chain_create_bb,
16614 df_chain_finalize, df_chain_free, df_chains_dump,
16615 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16616 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16617 df_reg_lifetime): New functions.
16618 * df.c: Deleted file.
16619 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16620 consistent with new df api.
16621 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16622 rest_of_handle_sms): Ditto.
16623 * web.c (unionfind_union, union_defs, entry_register, web_main):
16625 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16626 invariant_expr_equal_p, find_defs, check_dependencies,
16627 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16628 free_inv_motion_data, move_loop_invariants): Ditto.
16629 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16630 Update dependencies.
16631 (odf.c): Added defective entry that was deleted later in day.
16632 * sched-deps.c (sched_analyze_1): Ditto.
16634 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16636 * tree-ssa-operands.c (get_expr_operands): Record addressable
16637 variables directly. Do not call add_stmt_operands for CONST_DECLs
16639 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16640 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16642 2006-01-11 Ben Elliston <bje@au.ibm.com>
16644 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16645 function returns true in the positive case.
16647 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16650 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16651 for SI, DI, SF and DF modes. Add alternatives to copy between
16652 general and floating point registers to the 32-bit patterns.
16653 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16654 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16655 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16656 generating 64-bit code.
16657 * config/pa/pa.c (output_move_double): Handle copies between general
16658 and floating registers.
16660 2006-01-10 Stuart Hastings <stuart@apple.com>
16662 * config/i386/i386.md (set_got): Update.
16663 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16664 (builtin_setjmp_receiver): Mach-O support.
16665 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16666 (GOT_SYMBOL_NAME): Define.
16667 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16668 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16669 * config/i386/i386.c (override_options): Revise for Darwin.
16670 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16671 support. (darwin_x86_file_end): New. (output_set_got): Add label
16672 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16673 * config/i386/i386-protos.h (output_set_got): Likewise.
16674 * config/darwin.c (machopic_legitimize_pic_address): Update
16677 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16679 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16680 when MODE isn't BLKmode.
16682 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16684 PR rtl-optimization/25367
16685 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16687 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16690 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16691 for a negative bound.
16693 2006-01-10 Richard Guenther <rguenther@suse.de>
16695 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16696 Never override with anything constraint.
16698 2006-01-10 Jan Beulich <jbeulich@novell.com>
16700 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16701 256 bits when optimize_size.
16703 2006-01-10 Jan Beulich <jbeulich@novell.com>
16705 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16707 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16708 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16711 2006-01-10 Ben Elliston <bje@au.ibm.com>
16713 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16715 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16716 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16717 (USE_FP_FOR_ARG): Reject decimal float modes.
16718 (function_arg_advance): Likewise.
16719 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16720 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16721 point types in AltiVec vectors.
16722 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16723 (rs6000_libcall_value): Likewise.
16725 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16727 * config/xtensa/ieee754-df.S: New file.
16728 * config/xtensa/ieee754-sf.S: New file.
16729 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16730 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16731 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16733 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16735 * config/sh/predicates.md (binary_float_operator,
16736 binary_logical_operator, commutative_float_operator,
16737 equality_comparison_operator, greater_comparison_operator,
16738 less_comparison_operator, logical_operator,
16739 noncommutative_float_operator, shift_operator,
16740 symbol_ref_operand, unary_float_operator): Remove redundant
16743 2006-01-09 Jeff Law <law@redhat.com>
16745 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16746 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16747 now unused arguments. Callers updated.
16748 (eliminate_redundant_computations): Remove now unused arguments,
16750 (local_fold): Remove, no longer used.
16751 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16753 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16754 (simplify_cond): New function.
16755 (forward_propagate_into_cond): Call simplify_cond.
16757 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16759 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16760 (*vec_extractv2di_1_sse): New.
16762 2006-01-09 Ben Elliston <bje@au.ibm.com>
16764 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16766 2006-01-08 Richard Guenther <rguenther@suse.de>
16768 * tree-ssa-structalias.c (get_constraint_for): Remove
16769 anyoffset argument.
16770 (get_constraint_for_component_ref): Likewise.
16771 (do_deref): Likewise.
16772 (get_constraint_for): Likewise.
16773 (do_structure_copy): Likewise.
16774 (handle_ptr_arith): Likewise.
16775 (find_func_aliases): Likewise. Remove unused need_anyoffset
16778 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16779 Kaz Kojima <kkojima@gcc.gnu.org>
16781 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16782 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16783 (EXTRA_CONSTRAINT_C16): Remove.
16784 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16785 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16786 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16787 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16788 constants of SHmedia. Handle nested constant expressions of
16790 (andcosts): Fix the costs for SHmedia constants.
16791 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16792 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16793 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16794 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16795 (movv4hi_i, movv2si_i): Likewise.
16796 (movsi_const): Adjust the second operand of ior so to match with
16797 the Csu constraint.
16798 (movdi_const, movdi_const_32bit): Likewise.
16799 (movdi_const_16bit+1): Don't sign-extend LOW.
16800 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16802 (*double_shori): Fix the split condition. Use GEN_INT instead
16803 of get_int_mode calls. Mask lower 16-bit of the argument of
16805 (sym2GOTPLT): Remove.
16806 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16808 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16809 instead of EXTRA_CONSTRAINT_C16.
16811 2006-01-07 Ian Lance Taylor <ian@airs.com>
16812 David Edelsohn <edelsohn@gnu.org>
16814 PR rtl-optimization/25662
16815 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16816 for constant operands instead of simplify_gen_binary.
16817 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16818 after trying simplify_binary_operation
16820 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16822 * tree.c (iterative_hash_expr): Hash decls based on UID.
16824 2006-01-06 Eric Christopher <echristo@apple.com>
16826 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16827 (TARGET_UNWIND_EMIT): Fix spelling.
16828 * target.h (gcc_target): Add except_table_label.
16829 * except.c (output_function_exception_table): Use.
16830 * varasm.c (default_emit_except_table_label): New.
16831 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16833 (asm_out): Add here.
16834 * output.h (default_emit_except_table_label): Prototype.
16835 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16836 * config/darwin.c (darwin_emit_except_table_label): Define.
16837 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16839 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16841 PR tree-optimization/18527
16842 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16843 number_of_iterations_special, number_of_iterations_exit):
16844 Move base and step of an iv to a single structure. Add
16845 no_overflow flag, and use it in # of iterations analysis.
16846 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16847 folded_casts argument.
16848 (simple_iv): Pass base and step in a structure. Set no_overflow
16850 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16851 Evaluate expensiveness of computing # of iterations instead of
16852 the final expression.
16853 * tree-scalar-evolution.h (affine_iv): New structure.
16854 (simple_iv): Declaration changed.
16855 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16856 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16857 find_givs_in_stmt): Changed due to simple_iv change.
16859 2006-01-06 Jeff Law <law@redhat.com>
16862 * tree-cfg.c (bsi_replace): Rename final argument from
16863 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16864 change (stmt -> orig_stmt).
16865 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16866 (bsi_remove): Add new argument. Remove EH information
16868 (verify_eh_throw_table_statements): New function.
16869 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16871 * tree-optimize.c (execute_free_cfg_annotations): Verify
16872 the EH throw statement table after removing annotations.
16873 * except.h (verify_eh_throw_table_statements): Prototype.
16874 * tree-flow.h (bsi_remove): Update prototype.
16875 * tree-vrp.c (remove_range_assertions): Add new argument to
16877 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16878 * tree-complex.c (expand_complex_div_wide): Likewise.
16879 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16880 * tree-tailcall.c (eliminate_tailcall): Likewise.
16881 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16882 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16883 * tree-nrv.c (tree_nrv): Likewise.
16884 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16885 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16886 (combine_blocks): Likewise.
16887 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16888 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16889 (cleanup_control_flow): Likewise.
16890 (remove_forwarder_block): Likewise.
16891 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16892 * tree-sra.c (sra_replace): Likewise.
16893 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16894 (forward_propagate_single_use_vars): Likewise.
16895 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16896 * tree-inline.c (expand_call_inline): Likewise.
16897 * tree-vect-transform.c (vect_transform_loop): Likewise.
16898 * tree-outof-ssa.c (rewrite_trees): Likewise.
16899 * tree-cfg.c (make_goto_expr_edges): Likewise.
16900 (cleanup_dead_labels): Likewise.
16901 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16902 (bsi_move_before, bsi_move_after): Likewise.
16903 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16904 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16906 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16909 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16911 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16912 on non gimple variables. Also add checks at the top for decls and
16914 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16916 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16917 and IMAGPART_EXPR for creating MUST_DEFs.
16918 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16919 and NAME_MEMORY_TAG separately from the DECLs.
16921 2006-01-06 Richard Guenther <rguenther@suse.de>
16923 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16924 annotation, if necessary.
16925 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16926 redundant calls to update_stmt.
16927 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16930 2006-01-05 Richard Henderson <rth@redhat.com>
16932 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16934 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16936 * c-typeck.c: Update copyright date.
16938 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16940 * c-typeck.c (build_c_cast): Always warn when casting
16941 from a pointer to an integer of different size, even if
16942 the node was constant.
16944 2006-01-05 Richard Guenther <rguenther@suse.de>
16946 PR tree-optimization/22555
16947 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16948 if one structure field is an array.
16949 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16950 operands even if we found a subvar, but ignore VOPs in this
16952 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16954 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16956 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16958 PR middle-end/24998
16959 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16961 2006-01-05 Richard Guenther <rguenther@suse.de>
16962 Diego Novillo <dnovillo@redhat.com>
16964 * tree-pass.h (TODO_remove_unused_locals): Define.
16965 * gimple-low.c (expand_var_p, remove_useless_vars,
16966 pass_remove_useless_vars): Remove. Update all users.
16967 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16968 (remove_unused_locals): New function.
16969 * tree-flow.h (remove_unused_locals): Declare.
16970 * passes.c (execute_todo): Call remove_unused_locals if
16971 TODO_remove_unused_locals is set.
16972 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16973 * tree-ssa-dce.c (pass_dce): Likewise.
16974 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16976 2006-01-05 Richard Guenther <rguenther@suse.de>
16978 * tree-flow.h (struct fieldoff): Decompose field to
16979 type, size and decl.
16980 * tree-ssa-alias.c (create_sft): Take type as parameter.
16981 (create_overlap_variables_for): Store type, size and decl
16982 in the fieldoff structure.
16983 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16984 of struct fieldoff.
16985 (push_fields_onto_fieldstack): Likewise.
16986 (create_variable_info_for): Likewise. Use offset for the
16987 SFT name if the decl is not available.
16989 2006-01-04 Paul Brook <paul@codesourcery.com>
16991 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16993 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16995 * lambda-code.c (can_put_in_inner_loop): Relax
16997 (can_put_after_inner_loop): New function.
16998 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16999 (perfect_nestify): Change to make copies and modify uses.
17001 2006-01-04 Richard Henderson <rth@redhat.com>
17003 Merge from gomp branch:
17004 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17005 via integer constant.
17006 (pragma_lex): Remove.
17007 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17008 rather than parsing it.
17009 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17010 handle_pragma_extern_prefix): Add %< %> quotes.
17011 (registered_pragmas): New.
17012 (c_register_pragma_1): New.
17013 (c_register_pragma): Use it.
17014 (c_register_pragma_with_expansion): Likewise.
17015 (c_invoke_pragma_handler): New.
17016 (init_pragma): Use cpp_register_deferred_pragma directly for
17018 * c-pragma.h (enum pragma_kind): New.
17019 (pragma_handler): New.
17020 (c_invoke_pragma_handler): Declare.
17021 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17023 * c-common.h (c_common_pch_pragma): Update decl.
17024 * Makefile.in (c-parser.o): Update dependencies.
17025 (GTFILES): Add c-pragma.h.
17026 * c-parser.c (struct c_token): Add pragma_kind.
17027 (struct c_parser): Add in_pragma.
17028 (c_lex_one_token): Always initialize keyword and pragma_kind.
17029 Extract data for CPP_PRAGMA.
17030 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17031 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17032 Don't allow CPP_PRAGMA_EOL if in_pragma.
17033 (c_parser_consume_pragma): New.
17034 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17035 (c_parser_skip_to_end_of_parameter): Likewise.
17036 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17037 (c_parser_skip_to_pragma_eol): New.
17038 (c_parser_external_declaration): Handle CPP_PRAGMA.
17039 (c_parser_compound_statement_nostart): Likewise.
17040 (c_parser_statement_after_labels): Likewise.
17041 (c_parser_pragma): New.
17042 (pragma_lex): Likewise.
17043 (c_parser_pragma_pch_preprocess): New.
17044 (c_parser_new): Merge into ...
17045 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17047 2006-01-04 Jeff Law <law@redhat.com>
17050 * tree-cfg.c (bsi_replace): Remove the original statement
17051 from the EH throw statement table.
17053 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17055 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17056 make the prototype extern "C" and add throw ().
17059 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17060 and pos non-negative and pos + len <= 32.
17061 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17062 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17063 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17066 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17067 as well as sizes not multiple of component size.
17070 * function.c (instantiate_expr): New function.
17071 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17072 walk its DECL_VALUE_EXPR with instantiate_expr.
17074 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17075 DW_OP_deref{,_size} if address isn't going to be added.
17077 2006-01-04 Ben Elliston <bje@au.ibm.com>
17079 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17080 * config/fp-bit.c: Likewise.
17082 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17084 * dominance.c: Add comment about why we use DFS numbering
17087 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17088 Richard Henderson <rth@redhat.com>
17090 Merge from gomp-branch:
17091 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17092 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17094 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17096 PR rtl-optimization/25578
17097 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17098 pass a parameter to simplify_shift_const if changing ASHIFTRT
17101 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17103 * builtins.c (get_builtin_sync_mem): New function.
17104 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17105 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17106 Call get_builtin_sync_mem to generate mem rtx.
17108 2006-01-03 Richard Guenther <rguenther@suse.de>
17111 * stmt.c (add_case_node): Make sure to clear overflow flags
17114 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17116 Merge from gomp-branch.
17117 * config/sparc/sync.md: New file.
17118 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17119 UNSPECV_LDSTUB): New constants.
17120 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17121 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17122 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17125 2006-01-03 Roger Sayle <roger@eyesopen.com>
17127 * combine.c (reg_subword_p): New predicate to test whether the
17128 destination of a set refers to a subword/piece of a register.
17129 (try_combine): Generalize the code to merge the setting of a
17130 pseudo to a constant followed by a set of a subword of that
17131 register to a constant.
17133 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17135 * basic-block.h (control_flow_graph): Change the type of
17136 x_label_to_block_map to VEC(basic_block,gc) *.
17137 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17138 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17140 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17141 VEC(basic_block,heap) *.
17142 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17143 ssa_prop_fini): Adjust the uses of cfg_blocks.
17145 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17147 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17149 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17150 hashing trees instead of a pointer hash.
17151 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17152 compare for MEM_EXPR.
17154 PR rtl-optimization/25130
17155 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17156 when comparing MEMs for GCSE
17158 2006-01-03 Ben Elliston <bje@au.ibm.com>
17160 * targhooks.h (default_decimal_float_supported_p): Declare.
17161 * targhooks.c (default_decimal_float_supported_p): Define.
17162 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17163 `default_decimal_float_supported_p'.
17164 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17166 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17168 * combine.c (apply_distributive_law <SUBREG>): Check
17169 TRULY_NOOP_TRUNCATION.
17171 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17173 * dwarf2out.c (have_switched_text_section): Delete.
17174 (have_multiple_function_sections): New.
17175 (have_location_lists): Make 'bool'.
17176 (add_AT_loc_list): Use 'true' not '1'.
17177 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17178 (output_loc_list): Use have_multiple_function_sections.
17179 (output_ranges): Likewise.
17180 (dwarf2out_begin_function): Set have_multiple_function_sections if
17182 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17183 Check function_section rather than DECL_SECTION_NAME.
17184 (dwarf2out_finish): Use have_multiple_function_sections.
17185 Don't clear have_location_lists.
17187 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17188 Jan Hubicka <jh@suse.cz>
17190 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17191 case of conditional jump jumping to the next instruction.
17192 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17193 cases of conditional jump jumping to the next instruction.
17195 2006-01-02 Jan Hubicka <jh@suse.cz>
17197 * i386.c (*_cost): Add COSTS_N_INSNS.
17198 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17200 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17203 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17205 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17207 * config/arm/arm.c (all_fpus): Fix comment typo.
17208 * config/darwin.c: Likewise.
17209 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17210 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17211 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17213 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17215 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17216 (rs6000_split_compare_and_swapqhi): New.
17217 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17218 (sync_compare_and_swapqhi_internal): New.
17219 * config/rs6000/rs6000-protos.h: Declare.