1 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
5 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
7 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
9 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
10 * configure.ac (use_cxa_atexit): As a special case, don't test
11 for libc definition of __cxa_atexit on mingw32
12 * configure: Regenerate.
13 * config.gcc (i[34567]86-pc-mingw32): Default to
14 enable__cxa_atexit=yes.
16 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
20 2006-10-31 Geoffrey Keating <geoffk@apple.com>
23 * c-decl.c (start_struct): Don't create self-containing
25 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
27 * config/rs6000/rs6000-protos.h
28 (darwin_rs6000_special_round_type_align): New.
29 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
30 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
32 2006-10-31 Geoffrey Keating <geoffk@apple.com>
34 * toplev.c (compile_file): Call final_write_globals
35 even if there have been errors.
37 2006-10-31 Eric Christopher <echristo@apple.com>
38 Falk Hueffner <falk@debian.org>
40 * doc/extend.texi (__builtin_bswap32): Document.
41 (__builtin_bswap64): Ditto.
42 * doc/libgcc.texi (bswapsi2): Document.
44 * doc/rtl.texi (bswap): Document.
45 * optabs.c (expand_unop): Don't widen a bswap.
46 (init_optabs): Init bswap. Set libfuncs explicitly
47 for bswapsi2 and bswapdi2.
48 * optabs.h (OTI_bswap): New.
50 * genopinit.c (optabs): Handle bswap_optab.
51 * tree.h (tree_index): Add TI_UINT32_TYPE and
53 (uint32_type_node): New.
54 (uint64_type_node): Ditto.
55 * tree.c (build_common_tree_nodes_2): Initialize
56 uint32_type_node and uint64_type_node.
57 * builtins.c (expand_builtin_bswap): New.
58 (expand_builtin): Call.
59 (fold_builtin_bswap): New.
60 (fold_builtin_1): Call.
61 * fold-const.c (tree_expr_nonnegative_p): Return true
63 * builtin-types.def (BT_UINT32): New.
65 (BT_FN_UINT32_UINT32): Ditto.
66 (BT_FN_UINT64_UINT64): Ditto.
67 * builtins.def (BUILT_IN_BSWAP32): New.
68 (BUILT_IN_BSWAP64): Ditto.
69 * rtl.def (BSWAP): New.
70 * genattrtab.c (check_attr_value): New.
71 * libgcc2.c (__bswapSI2): New.
73 * libgcc2.h (__bswapSI2): Declare.
75 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
76 * simplify-rtx.c (simplify_const_unary_operation): Return
78 * libgcc-std.ver (__bwapsi2): Add.
80 * reload1.c (eliminate_regs_1): Add bswap.
81 (elimination_effects): Ditto.
82 * config/i386/i386.h (x86_bswap): New.
84 * config/i386/i386.c (x86_bswap): Set.
86 2006-10-31 Geoffrey Keating <geoffk@apple.com>
88 * coverage.c (coverage_checksum_string): Update comment.
89 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
90 of get_file_function_name.
91 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
92 of get_file_function_name_long.
93 * tree.c (get_file_function_name): Rename from
94 get_file_function_name_long; improve comment; handle 'I' and 'D'
95 specially when the target has ctor/dtor support; remove special
97 (get_file_function_name): Remove.
98 * tree.h (get_file_function_name): Rename from
99 get_file_function_name_long.
100 (get_file_function_name): Remove prototype.
102 2006-10-31 Geoffrey Keating <geoffk@apple.com>
104 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
105 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
107 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
108 Call dsymutil when compiling and linking one or more source files
111 2006-10-31 Geoffrey Keating <geoffk@apple.com>
114 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
116 2006-10-31 Geoffrey Keating <geoffk@apple.com>
118 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
119 inline static functions in c99 mode.
122 * doc/extend.texi (Inline): Update.
123 * c-tree.h (struct language_function): Remove field 'extern_inline'.
124 * c-decl.c (current_extern_inline): Delete.
125 (pop_scope): Adjust test for an undefined nested function.
126 Add warning about undeclared inline function.
127 (diagnose_mismatched_decls): Update comments. Disallow overriding
128 of inline functions in a translation unit in C99. Allow inline
129 declarations in C99 at any time.
130 (merge_decls): Boolize variables. Handle C99 'extern inline'
132 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
133 C99 inline semantics.
134 (start_function): Don't clear current_extern_inline. Don't set
136 (c_push_function_context): Don't push current_extern_inline.
137 (c_pop_function_context): Don't restore current_extern_inline.
140 * c-typeck.c (build_external_ref): Warn about static variables
141 used in extern inline functions.
142 * c-decl.c (start_decl): Warn about static variables declared
143 in extern inline functions.
145 2006-10-31 Roger Sayle <roger@eyesopen.com>
148 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
149 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
150 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
151 or y is an even integer.
153 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
156 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
157 * gthr-posix95.h (__gthread_active_p): Likewise.
159 2006-10-31 Richard Guenther <rguenther@suse.de>
161 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
162 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
163 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
164 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
165 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
166 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
167 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
168 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
171 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
173 * opts.c (decode_options): Disable CSE skip blocks.
175 2006-10-30 Dirk Mueller <dmueller@suse.de>
177 * c-common.h (strict_aliasing_warning): Fix whitespace.
178 * c-decl (start_function): Move code for main decl warning ..
179 * c-common.c (check_main_parameter_types): .. here.
180 * c-common.h (check_main_parameter_types): Declare.
182 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
185 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
187 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
189 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
190 be a PARALLEL containing sets. Return false when out_pat is not
193 2006-10-30 Richard Sandiford <richard@codesourcery.com>
195 * config/mips/mips.md (mul<mode>3): Split into...
196 (mulsi3, muldi3): ...these separate patterns.
198 2006-10-30 Richard Sandiford <richard@codesourcery.com>
200 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
201 but with each set of options separated by spaces.
203 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
205 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
206 dwarf_reg_size_table has been initialized.
208 2006-10-30 Roger Sayle <roger@eyesopen.com>
210 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
211 * ddg.c (print_ddg_edge): Likewise.
212 * dwarf2out.c (prune_unused_types_walk): Likewise.
213 * ifcvt.c (noce_try_cmove_arith): Likewise.
214 * langhooks.c (add_builtin_function): Likewise.
215 * reg-stack.c (subst_stack_regs_pat): Likewise.
216 * tree.c (expanded_location): Likewise.
217 * tree-dump.c (dequeue_and_dump): Likewise.
219 2006-10-30 David Daney <ddaney@avtrex.com>
221 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
223 2006-10-30 Jakub Jelinek <jakub@redhat.com>
225 PR tree-optimization/29637
226 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
227 of the innertype is the innertype itself.
229 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
231 * dwarf2out.c (file_name_acquire): Correct typo.
233 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
235 * tree.h (tree_value_handle): Remove struct value_set declaration.
236 Change value_set to bitmap_set.
237 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
238 * tree-vn.c (get_value_handle): Made inline and moved to
240 * tree-flow-inline.h: (has_stmt_ann): New function.
241 * tree-ssa-pre.c (expressions): New variable.
242 (next_expression_id): Ditto.
243 (alloc_expression_id): New function.
244 (struct value_set): Remove.
245 (get_expression_id): New function.
246 (get_or_alloc_expression_id): Ditto.
247 (expression_for_id): Ditto.
248 (clear_expression_ids): Ditto.
249 (FOR_EACH_EXPR_ID_IN_SET): New macro.
250 (bb_value_sets): Renamed to bb_bitmap_sets.
251 All value sets replaced with bitmap_sets.
253 (BB_VISITED): New macro.
254 (postorder): New variable.
255 (add_to_value): Removed.
256 (value_exists_in_set_bitmap): Ditto.
257 (value_insert_into_set_bitmap): Ditto.
261 (set_contains_value): Ditto.
262 (insert_into_set): Ditto.
264 (find_leader): Ditto.
265 (bitmap_set_subtract_from_value_set): Ditto.
266 (value_insert_into_set): Ditto.
267 (print_value_set): Ditto.
268 (debug_value_set): Ditto.
269 (constant_expr_p): New function.
270 (bitmap_remove_from_set): Ditto.
271 (bitmap_insert_into_set): Ditto.
272 (bitmap_set_free): Ditto.
274 (sorted_array_from_bitmap_set): Ditto.
275 (bitmap_set_subtract): Ditto.
276 (bitmap_set_equal): Ditto.
277 (debug_bitmap_set): Ditto.
278 (find_leader_in_sets): Ditto.
279 (bitmap_set_replace_value): Modify for bitmapped sets.
280 (phi_translate): Ditto.
281 (phi_translate_set): Ditto.
282 (bitmap_find_leader): Ditto.
283 (valid_in_sets): Ditto.
284 (union_contains_value): Ditto.
286 (compute_antic_aux): Ditto. Mark changed blocks.
287 (compute_antic): Ditto. Iterate in postorder and only over
289 (compute_rvuse_and_antic_safe): Reuse postorder.
290 (create_component_ref_by_pieces): Modify for bitmapped sets.
291 (find_or_generate_expression): Ditto.
292 (create_expression_by_pieces): Ditto.
293 (insert_into_preds_of_block): Ditto.
294 (changed_blocks): New variable.
295 (do_regular_insertion): Broken out from insert_aux.
296 (insert_aux): Modified for bitmapped sets.
297 (find_existing_value_expr): New function.
298 (create_value_expr_from): Use it.
299 (insert_extra_phis): Removed.
300 (print_bitmap_set): Renamed from bitmap_print_value_set.
301 (compute_avail): Handle RETURN_EXPR.
302 (init_pre): Modify for bitmapped sets.
303 * tree-flow.h (has_stmt_ann): New function.
305 2006-10-29 Roger Sayle <roger@eyesopen.com>
307 * builtins.c (fold_builtin_floor): Check for the availability of
308 the C99 trunc function before transforming floor into trunc.
310 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
312 * builtins.c (fold_builtin_hypot): Rearrange recursive
313 transformation before others, and also do ABS_EXPR. When
314 necessary, check flag_unsafe_math_optimizations. When necessary,
317 2006-10-29 Roger Sayle <roger@eyesopen.com>
319 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
320 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
321 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
322 Fold -X eq/ne -Y as X eq/ne Y.
324 2006-10-29 Richard Sandiford <richard@codesourcery.com>
326 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
327 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
328 rather than GENERATE_MULT3_SI in the various define_peephole2s.
329 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
330 Use an inclusive test for "mult" rather than "mul".
331 (rotr<mode>3): Depend on ISA_HAS_ROR.
332 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
334 (GENERATE_MULT3_DI): Delete.
335 (ISA_HAS_64BIT_REGS): Use consistent formatting.
336 (ISA_HAS_MUL3): New macro.
337 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
338 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
339 (ISA_HAS_CLZ_CLO): Likewise.
340 (ISA_HAS_DCLZ_DCLO): Delete.
341 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
342 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
343 the VR4120 and VR4130.
344 (ISA_HAS_MACCHI): Use consistent formatting.
345 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
346 (ISA_HAS_ROR): ...this new macro.
347 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
348 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
349 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
351 2006-10-29 Roger Sayle <roger@eyesopen.com>
353 PR tree-optimization/15458
354 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
357 2006-10-29 Richard Guenther <rguenther@suse.de>
359 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
360 (ix86_expand_truncdf_32): Likewise.
361 * config/i386/i386.c (ix86_expand_trunc): New function expanding
362 trunc inline for SSE math and -fno-trapping-math and if not
364 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
365 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
366 for expanding btrunc inline for SSE math.
368 2006-10-29 Joseph Myers <joseph@codesourcery.com>
370 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
371 Handle tuning for bi-arch i[34567]86-*-linux* like that for
372 i[34567]86-*-solaris2.1[0-9]*.
373 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
374 Define conditionally depending on TARGET_64BIT_DEFAULT.
375 (SPEC_32, SPEC_64): Define.
376 (LINK_SPEC): Use them.
377 * doc/install.texi (--enable-targets=all): Document for x86-linux.
379 2006-10-29 Richard Guenther <rguenther@suse.de>
381 * config/i386/i386-protos.h (ix86_expand_round): Declare.
382 (ix86_expand_rounddf_32): Likewise.
383 * config/i386/i386.c (ix86_expand_round): New function expanding
384 round inline for SSE math and -fno-trapping-math and if not
386 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
387 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
388 round via ix86_expand_round.
390 2006-10-29 Richard Guenther <rguenther@suse.de>
392 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
393 (ix86_expand_floorceildf_32): Likewise.
394 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
395 static helper function.
396 (ix86_expand_floorceil): Expander for floor and ceil to SSE
398 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
399 * config/i386/i386.md (floordf2): Adjust to enable floor
400 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
401 -fno-trapping-math is enabled and if not optimizing for size.
402 (floorsf2, ceildf2, ceilsf2): Likewise.
403 * config/i386/sse.md (sse_maskcmpsf3): New insn.
404 (sse2_maskcmpdf3): Likewise.
406 2006-10-29 Richard Guenther <rguenther@suse.de>
408 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
409 rint in case -fno-trapping-math is enabled.
410 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
411 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
412 (ix86_expand_sse_fabs): Likewise.
413 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
414 * config/i386/i386.md (rintdf2): Enable for SSE math if
415 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
418 2006-10-29 Richard Guenther <rguenther@suse.de>
420 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
421 to conversion optabs.
422 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
424 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
425 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
426 (lfloor_optab, lceil_optab): Adjust defines.
427 * builtins.c (expand_builtin_int_roundingfn): Adjust for
428 lfloor and lceil optabs now being conversion optabs.
429 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
430 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
431 New static helper function.
432 (ix86_expand_lfloorceil): New function to expand lfloor and
434 * config/i386/i386.md (lfloor<mode>2): Split into ...
435 (lfloorxf<mode>2): ... x87 variant
436 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
437 using ix86_expand_lfloorceil.
438 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
440 * doc/md.texi (lfloorMN, lceilMN): Document.
442 2006-10-29 Richard Sandiford <richard@codesourcery.com>
444 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
445 -mno-shared assembler option on mips targets.
446 * configure, config.in: Regenerate.
447 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
448 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
449 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
451 2006-10-29 Richard Sandiford <richard@codesourcery.com>
453 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
454 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
456 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
458 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
459 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
462 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
465 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
466 (fold_builtin_pow): Evaluate constant arguments at compile-time
468 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
469 (do_mpfr_ckconv): New helper function.
470 (do_mpfr_arg1): Use do_mpfr_ckconv.
473 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
476 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
477 (-fdump-rtl-sched): Rename to ..
478 (-fdump-rtl-sched1): here. Also fix file extension number.
480 2006-10-28 Richard Guenther <rguenther@suse.de>
482 * fold-const.c (maybe_canonicalize_comparison): Fix code
485 2006-10-28 Uros Bizjak <uros@kss-loka.si>
487 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
488 (NON_QI_REG_P): Use IN_RANGE.
489 (REX_INT_REGNO_P): Use IN_RANGE.
490 (FP_REGNO_P): Use IN_RANGE.
491 (SSE_REGNO_P): Use IN_RANGE.
492 (REX_SSE_REGNO_P): Use IN_RANGE.
493 (MMX_REGNO_P): Use IN_RANGE.
494 (STACK_REGNO_P): New macro.
495 (STACK_REG_P): Use STACK_REGNO_P.
496 (NON_STACK_REG_P): Use STACK_REGNO_P.
497 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
498 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
499 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
500 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
501 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
503 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
505 * except.h (output_function_exception_table): Add 'const char*' param.
506 * except.c (switch_to_exception_section): Add 'const char*' param.
507 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
508 and flag_function_sections is set, use a function-specific section.
509 (output_function_exception_table): Add 'const char*' param.
510 Adjust call to switch_to_exception_section.
511 * final.c (rest_of_handle_final): Adjust calls to
512 output_function_exception_table.
513 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
514 * config.in: Regenerate.
515 * configure: Likewise.
517 2006-10-28 Richard Guenther <rguenther@suse.de>
520 * fold-const.c (maybe_canonicalize_comparison_1): Helper
521 for maybe_canonicalize_comparison.
522 (maybe_canonicalize_comparison): New function for canonicalizing
524 (fold_comparison): Call it to canonicalize comparisons with
527 2006-10-28 Richard Guenther <rguenther@suse.de>
530 * builtins.c (expand_builtin_int_roundingfn_2): Expand
531 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
532 (expand_builtin): Adjust likewise.
533 * genopinit.c (optabs[]): Add lround optab.
534 * optabs.c (init_optabs): Initialize lround_optab.
535 * optabs.h (enum convert_optab_index): Add COI_lround.
536 (lround_optab): Define.
537 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
538 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
540 (ix86_expand_lround): New function.
541 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
543 * doc/md.texi (lroundMN2): Document.
545 2006-10-28 Uros Bizjak <uros@kss-loka.si>
548 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
549 argument to HOST_WIDE_INT. Update function prototype.
550 (round_frame_size): Change return type to HOST_WIDE_INT. Change
551 "size" argument to HOST_WIDE_INT. Update function prototype.
553 2006-10-28 Uros Bizjak <uros@kss-loka.si>
555 * config/i386/i386.c (output_387_ffreep): Create output from a
556 template string for !HAVE_AS_IX86_FFREEP.
558 2006-10-27 Eric Christopher <echristo@apple.com>
560 * config/darwin.c: Fix formatting and grammar.
562 2006-10-27 Jan Hubicka <jh@suse.cz>
564 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
565 to be thrown away soon when IGNORE is set.
566 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
567 indicating when return value shall not be computed.
568 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
570 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
572 * config/i386/i386.h (TARGET_GEODE):
573 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
574 (TARGET_CPU_DEFAULT_geode): New macro.
575 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
576 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
577 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
578 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
579 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
581 (TARGET_CPU_DEFAULT_NAMES): Add geode.
582 (processor_type): Add PROCESSOR_GEODE.
584 * config/i386/i386.md: Include geode.md.
587 * config/i386/i386.c (geode_cost): New initialized global
589 (m_GEODE, m_K6_GEODE): New macros.
590 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
591 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
592 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
593 x86_schedule): Use m_K6_GEODE instead of m_K6.
594 (x86_movx, x86_cmove): Set up m_GEODE.
595 (x86_integer_DFmode_moves): Clear m_GEODE.
596 (processor_target_table): Add entry for geode.
597 (processor_alias_table): Ditto.
599 * config/i386/geode.md: New file.
601 * doc/invoke.texi: Add entry about geode processor.
603 2006-10-27 Mike Stump <mrs@apple.com>
605 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
606 __DYNAMIC__ from here back to ...
607 * config/darwin.h (CPP_SPEC): ... here.
609 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
610 Nathan Sidwell <nathan@codesourcery.com>
612 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
613 when choosing the minimum heapsize.
615 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
617 * gcc/unwind-dw2.h: Move cfa-related variables into
618 struct frame_state_reg_info to ensure that the CFA is properly
619 handled when executing DW_CFA_{remember,restore}_state.
620 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
621 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
622 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
623 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
624 gcc/config/rs6000/linux-unwind.h,
625 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
626 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
627 Modify to use new cfa_* fields.
629 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
631 * config/s390/s390.c (s390_init_frame_layout): Check positive
634 2006-10-26 Ben Elliston <bje@au.ibm.com>
636 * gimplify.c (get_name): Remove extraneous break.
637 (gimplify_omp_for): Initialise ret with GS_OK.
639 2006-10-25 Steve Ellcey <sje@cup.hp.com>
641 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
642 Add unix98.o to link line.
644 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
647 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
648 Calculate compile-time constants using MPFR.
649 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
650 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
652 2006-10-25 Bob Wilson <bob.wilson@acm.org>
654 * config/xtensa/lib2funcs.S: Use C-style comments.
656 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
658 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
659 (file_table_relative_p): Likewise.
660 (dwarf2out_finish): Likewise.
661 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
663 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
665 * tree-ssa-structalias.c (intra_create_variable_infos):
666 Don't recreate nonlocal_all if it already exists.
668 2006-10-25 Richard Guenther <rguenther@suse.de>
671 * optabs.h (enum optab_index): Remove OTI_lrint.
672 (enum convert_optab_index): Add COI_lrint.
673 (lrint_optab): Adjust.
674 (expand_sfix_optab): Declare.
675 * optabs.c (expand_sfix_optab): New function.
676 (init_optabs): Init lrint_optab as conversion optab.
677 * genopinit.c (lrint_optab): Change to a conversion optab.
678 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
679 expansion via conversion optab.
680 * config/i386/i386.md (*fistdi2_1): Remove
681 flag_unsafe_math_optimizations guard.
682 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
683 fist<mode>2_with_temp): Likewise.
684 (lrint<mode>2): Split into...
685 (lrintxf<mode>2): ... x87 part
686 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
687 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
688 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
689 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
690 * doc/md.texi (lrintMN2): Document.
692 2006-10-25 Uros Bizjak <uros@kss-loka.si>
695 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
696 Use inc and dec instructions for TARGET_USE_INCDEC.
697 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
698 ("sync_double_compare_and_swap<mode>"): Likewise.
699 ("*sync_double_compare_and_swapdi_pic"): Likewise.
700 ("*sync_compare_and_swap_cc<mode>"): Likewise.
701 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
702 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
703 ("sync_old_add<mode>"): Likewise.
704 ("sync_lock_test_and_set<mode>"): Likewise.
705 ("sync_lock_test_and_set<mode>"): Likewise.
706 ("sync_add<mode>"): Likewise.
707 ("sync_sub<mode>"): Likewise.
708 ("sync_ior<mode>"): Likewise.
709 ("sync_and<mode>"): Likewise.
710 ("sync_xor<mode>"): Likewise.
712 2006-10-25 Uros Bizjak <uros@kss-loka.si>
714 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
715 (remainder_optab): Define corresponding macro.
716 (drem_optab): Remove.
717 * optabs.c (init_optabs): Initialize remainder_optab. Remove
718 drem_optab initialization.
719 * genopinit.c (optabs): Implement remainder_optab using
720 remainder?f3 patterns. Remove drem_optab.
721 * builtins.c (expand_builtin_mathfn_2): Handle
722 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
723 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
724 expand_builtin_mathfn_2.
726 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
727 depend on flag_unsafe_math_optimizations.
729 * config/i386/i386.md ("remaindersf3", "remainderdf3")
730 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
731 Do not depend on flag_unsafe_math_optimizations. Use
732 truncxf?f expander instead of truncxf?f_i387_noop.
734 ("fpremxf4", "fprem1xf4"): Do not depend on
735 flag_unsafe_math_optimizations.
736 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
737 flag_unsafe_math_optimizations. Use truncxf?f expander
738 instead of truncxf?f_i387_noop.
740 * doc/md.texi (fmod, remainder): Document standard named pattern.
742 2006-10-24 Richard Sandiford <richard@codesourcery.com>
743 David Daney <ddaney@avtrex.com>
746 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
748 2006-10-25 Ben Elliston <bje@au.ibm.com>
750 * doc/extend.texi (Variable Attributes): Typo fix.
752 2006-10-24 Uros Bizjak <uros@kss-loka.si>
754 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
755 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
756 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
757 (FRAME_POINTER_REGNUM): Update register number to 21.
758 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
759 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
761 * config/i386/i386.c (regclass_map): Add fpcr entry.
762 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
764 (print_reg): Assert REGNO (x) != FPCR_REG.
766 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
767 (DIRFLAG_REG): Renumber.
768 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
769 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
770 (sse_prologue_save, *sse_prologue_save_insn): Renumber
771 hardcoded SSE register numbers.
773 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
774 hardcoded MMX register numbers.
776 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
779 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
780 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
782 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
783 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
784 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
785 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
787 2006-10-24 Richard Guenther <rguenther@suse.de>
790 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
791 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
792 for deciding optimizations in consistency with fold-const.c
793 (fold_builtin_unordered_cmp): Likewise.
795 2006-10-24 Richard Guenther <rguenther@suse.de>
797 * builtins.c (fold_builtin_floor): Fold floor (x) where
798 x is nonnegative to trunc (x).
799 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
800 nonnegative to FIX_TRUNC_EXPR.
802 2006-10-24 Richard Guenther <rguenther@suse.de>
804 PR tree-optimization/29567
805 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
806 for TRUTH_NOT_EXPR. Clarify comments.
808 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
811 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
812 at compile-time using MPFR. Change parameter VALUE to FUNC,
814 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
815 for overflow and underflow at all times and avoid folding in
818 2006-10-24 Ben Elliston <bje@au.ibm.com>
820 * reload1.c: Formatting fixes.
822 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
824 PR tree-optimization/14784
825 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
826 * tree-ssa-structalias.c (get_constraint_for,
827 intra_create_variable_infos): Set is_heapvar.
828 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
829 non-heapvar pointer variables specially.
831 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
834 * builtins.c (fold_builtin_sin, fold_builtin_cos,
835 fold_builtin_tan): Fold all constant arguments. Take a "type"
836 argument as necessary.
838 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
840 2006-10-23 Bob Wilson <bob.wilson@acm.org>
842 * config/xtensa/lib1funcs.asm: Use C-style comments.
844 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
846 * tree.c (local_define_builtin): Replace calls to
847 lang_hooks.builtin_function with add_builtin_function.
848 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
850 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
852 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
853 common code to add_builtin_function.
854 * langhooks.c (add_builtin_function): New function.
855 (lhd_builtin_function): New function.
856 * langhooks.h (struct lang_hooks): Change the signature of
858 (add_builtin_function): New function.
859 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
860 calls to lang_hooks.builtin_function with add_builtin_function.
861 * c-common.c (decl_builtin_1): Replace calls to
862 lang_hooks.builtin_function with add_builtin_function.
863 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
864 lang_hooks.builtin_function with add_builtin_function.
865 * config/frv/frv.c (def_builtin): Replace calls to
866 lang_hooks.builtin_function with add_builtin_function.
867 * config/s390/s390.c (s390_init_builtins): Replace calls to
868 lang_hooks.builtin_function with add_builtin_function.
869 * config/sparc/sparc.c (def_builtin): Replace calls to
870 lang_hooks.builtin_function with add_builtin_function.
871 * config/i386/i386.c (def_builtin): Replace calls to
872 lang_hooks.builtin_function with add_builtin_function.
873 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
874 lang_hooks.builtin_function with add_builtin_function.
875 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
876 lang_hooks.builtin_function with add_builtin_function.
877 * config/stormy16/stormy16.c (xstormy16_init_builtins):
878 Replace calls to lang_hooks.builtin_function with
879 add_builtin_function.
880 * config/iq2000/iq2000.c (def_builtin):
881 Replace calls to lang_hooks.builtin_function with
882 add_builtin_function.
883 * config/ia64/ia64.c (def_builtin): Replace calls to
884 lang_hooks.builtin_function with add_builtin_function.
885 * config/rs6000/rs6000.c (def_builtin): Replace calls to
886 lang_hooks.builtin_function with add_builtin_function.
887 (altivec_init_builtins): Replace calls to
888 lang_hooks.builtin_function with add_builtin_function.
889 * config/arm/arm.c (def_mbuiltin): Replace calls to
890 lang_hooks.builtin_function with add_builtin_function.
891 (arm_init_tls_builtins): Replace calls to
892 lang_hooks.builtin_function with add_builtin_function.
893 * config/mips/mips.c (mips_init_builtins): Replace calls to
894 lang_hooks.builtin_function with add_builtin_function.
895 * config/bfin/bfin.c (def_builtin): Replace calls to
896 lang_hooks.builtin_function with add_builtin_function.
897 * langhooks-def.h (lhd_builtin_function): New function.
898 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
900 2006-10-23 Jakub Jelinek <jakub@redhat.com>
902 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
903 BUILT_IN_STRNCAT_CHK.
905 2006-10-23 Jan Hubicka <jh@suse.cz>
907 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
908 don't do conversion from memmove to memcpy here.
909 (expand_builtin_bcopy, expand_builtin): Update call of
910 expand_builtin_memmove.
911 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
913 2006-10-23 Paul Brook <paul@codesourcery.com>
915 * stor-layout.c (start_record_layout): maximum_field_alignment
916 overrides STRUCTURE_SIZE_BOUNDARY.
918 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
920 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
921 nonlocal function symbols if flag_pic.
923 2006-10-23 Richard Guenther <rguenther@suse.de>
927 * builtins.c (fold_binary): Remove checks for flag_wrapv
928 and flag_trapv where negate_expr_p covers these cases.
930 2006-10-23 Richard Guenther <rguenther@suse.de>
933 * fold-const.c (fold_plusminus_mult_expr): Check exact power
934 of two on the absolute value.
935 (fold_binary): Fold x * -C to -x * C if x is easily negatable
936 and negating -C does not overflow.
938 2006-10-23 Richard Guenther <rguenther@suse.de>
941 * convert.c (convert_to_real): Fold (float)-x to -(float)x
942 only if not flag_rounding_math.
944 2006-10-22 Richard Sandiford <richard@codesourcery.com>
945 Kaz Kojima <kkojima@gcc.gnu.org>
948 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
949 SImode memory reference for the source of a movua.
950 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
951 (movua): Use an unspec instead of sign_extract. Expect the source
952 to have mode BLKmode.
953 (extv, insv): Use a BLKmode rather than SImode memory reference
954 for the source of a movua.
956 2006-10-22 Jeff Law <law@redhat.com>
957 Richard Guenther <rguenther@suse.de>
959 PR tree-optimization/15911
960 * tree-vrp.c (extract_code_and_val_from_cond): New function.
961 (register_edge_assert_for_1): Likewise.
962 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
963 (find_conditional_asserts): Adjust for new function signature.
964 (find_assert_locations): Likewise.
966 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
968 * config/i386/tmmintrin.h: Remove the duplicated content.
970 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
972 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
973 (x86_64-*-*): Likewise.
975 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
976 (override_options): Check SSSE3.
977 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
978 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
979 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
980 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
981 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
982 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
983 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
984 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
985 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
986 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
987 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
988 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
989 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
990 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
991 IX86_BUILTIN_PABSD128.
992 (bdesc_2arg): Add SSSE3.
993 (bdesc_1arg): Likewise.
994 (ix86_init_mmx_sse_builtins): Support SSSE3.
995 (ix86_expand_builtin): Likewise.
996 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
998 * config/i386/i386.md (UNSPEC_PSHUFB): New.
999 (UNSPEC_PSIGN): Likewise.
1000 (UNSPEC_PALIGNR): Likewise.
1001 Include mmx.md before sse.md.
1003 * config/i386/i386.opt: Add -mssse3.
1005 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1006 (ssse3_phaddwv4hi3): Likewise.
1007 (ssse3_phadddv4si3): Likewise.
1008 (ssse3_phadddv2si3): Likewise.
1009 (ssse3_phaddswv8hi3): Likewise.
1010 (ssse3_phaddswv4hi3): Likewise.
1011 (ssse3_phsubwv8hi3): Likewise.
1012 (ssse3_phsubwv4hi3): Likewise.
1013 (ssse3_phsubdv4si3): Likewise.
1014 (ssse3_phsubdv2si3): Likewise.
1015 (ssse3_phsubswv8hi3): Likewise.
1016 (ssse3_phsubswv4hi3): Likewise.
1017 (ssse3_pmaddubswv8hi3): Likewise.
1018 (ssse3_pmaddubswv4hi3): Likewise.
1019 (ssse3_pmulhrswv8hi3): Likewise.
1020 (ssse3_pmulhrswv4hi3): Likewise.
1021 (ssse3_pshufbv16qi3): Likewise.
1022 (ssse3_pshufbv8qi3): Likewise.
1023 (ssse3_psign<mode>3): Likewise.
1024 (ssse3_psign<mode>3): Likewise.
1025 (ssse3_palignrti): Likewise.
1026 (ssse3_palignrdi): Likewise.
1027 (abs<mode>2): Likewise.
1028 (abs<mode>2): Likewise.
1030 * config/i386/tmmintrin.h: New file.
1032 * doc/extend.texi: Document SSSE3 built-in functions.
1034 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1036 2006-10-22 Ira Rosen <irar@il.ibm.com>
1038 * tree-vect-transform.c (vectorizable_load): Use the type of the
1039 return value of the mask_for_load builtin to create realign_load
1042 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1044 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1047 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1049 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1050 (UNSPEC_LDDQU): This.
1051 * config/i386/sse.md (sse3_lddqu): Updated.
1053 2006-10-21 Richard Guenther <rguenther@suse.de>
1055 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1056 (expand_builtin): Use it to expand lrint instead of
1057 expand_builtin_mathfn.
1059 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1062 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1063 flag_unsafe_math_optimizations is set.
1065 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1068 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1069 patterns to use memory input operand in x87->mem->XMM
1070 reload sequences. Skip transformation for TARGET_K8.
1072 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1074 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1075 force operand1 to register if both operands are memory operands.
1076 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1077 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1078 if both operands are memory operands.
1079 (truncdfsf2): Do not force operand1 to register if both operands
1080 are memory operands.
1082 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1084 * Makefile.in (LIBS): Add $(GMPLIBS).
1085 * doc/install.texi: Update GMP and MPFR requirements.
1086 * doc/sourcebuild.texi (need_gmp): Delete.
1088 2006-10-21 Richard Guenther <rguenther@suse.de>
1090 PR tree-optimization/3511
1091 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1092 got new invariant arguments during PHI translation.
1094 2006-10-21 Richard Guenther <rguenther@suse.de>
1097 * fold-const.c (fold_comparison): Fold signed comparisons
1098 of the form X +- C1 CMP Y +- C2.
1100 2006-10-21 Richard Guenther <rguenther@suse.de>
1103 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1104 if flag_unsafe_math_optimizations is specified. We have
1105 flag_finite_math_only for that.
1106 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1107 or flag_unsafe_math_optimizations.
1109 2006-10-21 Richard Guenther <rguenther@suse.de>
1111 * builtins.c (fold_builtin_classify): Fix typo.
1113 2006-10-21 Richard Guenther <rguenther@suse.de>
1116 * simplify-rtx.c (simplify_const_relational_operation):
1117 Do not constant-fold ORDERED and UNORDERED for
1118 flag_unsafe_math_optimizations but only we do not need to
1119 honor NaNs for the given mode.
1121 2006-10-21 Richard Guenther <rguenther@suse.de>
1124 * config/i386/i386.c (classify_argument): Remove redundant
1125 walking of the BINFOs.
1126 (contains_128bit_aligned_vector_p): Likewise.
1128 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1130 * BASE-VER: Set to 4.3.0.
1132 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1134 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1135 (tree_decl_with_vis): Remove artificial_pta_var flag.
1136 * tree-flow.h (referenced_var_check_and_insert): Expose.
1137 (nonlocal_all): New prototype.
1138 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1139 (nonlocal_all): Make global.
1140 (nonlocal_lookup): Remove.
1141 (nonlocal_insert): Ditto.
1142 (create_nonlocal_var): Do not call nonlocal_insert.
1143 (get_nonlocal_id_for_type): Remove.
1144 (find_global_initializers): Mark new vars we find for renaming.
1145 (intra_create_variable_infos): Only create one nonlocal.
1146 (expand_nonlocal_solutions): Remove.
1147 (compute_points_to_sets): Don't call it.
1148 (ipa_pta_execute): Ditto.
1149 (init_alias_heapvars): Don't create nonlocal_for_type.
1150 (delete_alias_heapvars): Don't remove it.
1151 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1154 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1156 * doc/install.texi (Downloading GCC): Clarify mention of
1157 Fortran in the "full distribution" description.
1159 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1161 Fix PR tree-optimization/28778
1162 Fix PR tree-optimization/29156
1163 Fix PR tree-optimization/29415
1164 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1165 (tree_decl_with_vis): Add artificial_pta_var flag.
1166 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1167 pushed into callers.
1168 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1169 (nonlocal_all): Ditto.
1170 (struct variable_info): Add directly_dereferenced member.
1171 (var_escaped_vars): New variable.
1172 (escaped_vars_tree): Ditto.
1173 (escaped_vars_id): Ditto.
1174 (nonlocal_vars_id): Ditto.
1175 (new_var_info): Set directly_dereferenced.
1176 (graph_size): New variable
1177 (build_constraint_graph): Use graph_size.
1178 (solve_graph): Don't process constraints that cannot change the
1179 solution, don't try to propagate an empty solution to our
1181 (process_constraint): Set directly_dereferenced.
1182 (could_have_pointers): New function.
1183 (get_constraint_for_component_ref): Don't process STRING_CST.
1184 (nonlocal_lookup): New function.
1185 (nonlocal_insert): Ditto.
1186 (create_nonlocal_var): Ditto.
1187 (get_nonlocal_id_for_type): Ditto.
1188 (get_constraint_for): Allow results vector to be empty in the case
1189 of string constants.
1190 Handle results of calls properly.
1191 (update_alias_info): Update alias info stats on number and type of
1193 (find_func_aliases): Use could_have_pointers.
1194 (make_constraint_from_escaped): Renamed from
1195 make_constraint_to_anything, and changed to make constraints from
1197 (make_constraint_to_escaped): New function.
1198 (find_global_initializers): Ditto.
1199 (create_variable_info_for): Make constraint from escaped to any
1200 global variable, and from any global variable to the set of
1202 (intra_create_variable_infos): Deal with escaped instead of
1203 pointing to anything.
1204 (set_uids_in_ptset): Do type pruning on directly dereferenced
1206 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1207 (init_base_vars): Fix comment, and initialize escaped_vars.
1208 (need_to_solve): Removed.
1209 (find_escape_constraints): New function.
1210 (expand_nonlocal_solutions): Ditto.
1211 (compute_points_to_sets): Call find_escape_constraints and
1212 expand_nonlocal_solutions.
1213 (delete_points_to_sets): Don't fall off the end of the graph.
1214 (init_alias_heapvars): Initialize nonlocal_for_type and
1216 (delete_alias_heapvars): Free nonlocal_for_type and null out
1219 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1221 * fold-const.c (add_double): Rename to add_double_with_sign.
1222 Add 'unsigned_p' parameter and take it into account for the overflow.
1223 (mul_double): Rename to mul_double_with_sign.
1224 Add 'unsigned_p' parameter and take it into account for the overflow.
1225 (fold_div_compare): Call add_double_with_sign instead of add_double
1226 and mul_double_with_sign instead of mul_double, passing them the
1227 unsignedness of the type.
1228 * tree.h (add_double): Macroize.
1229 (add_double_with_sign): New prototype.
1230 (mul_double): Macroize.
1231 (mul_double_with_sign): New prototype.
1233 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1235 * config/score/crti.asm: New file.
1236 * config/score/crtn.asm: New file.
1237 * config/score/elf.h: New file.
1238 * config/score/mac.md: New file.
1239 * config/score/misc.md: New file.
1240 * config/score/mul-div.S: New file.
1241 * config/score/predicates.md: New file.
1242 * config/score/score7.md: New file.
1243 * config/score/score.c: New file.
1244 * config/score/score-conv.h: New file.
1245 * config/score/score.h: New file.
1246 * config/score/score.md: New file.
1247 * config/score/score-mdaux.c: New file.
1248 * config/score/score-mdaux.h: New file.
1249 * config/score/score-modes.def: New file.
1250 * config/score/score.opt: New file.
1251 * config/score/score-protos.h: New file.
1252 * config/score/score-version.h: New file.
1253 * config/score/t-score-elf: New file.
1254 * config.gcc: Add score*-*-* configurations(Update before).
1255 * doc/invoke.texi (Score Options): New section.
1256 * doc/md.texi (Score family): New section to document constraints.
1258 2006-10-19 Nick Clifton <nickc@redhat.com>
1260 * config/arm/arm.c: Fix spelling typo.
1262 2006-10-18 Tom Tromey <tromey@redhat.com>
1264 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1266 2006-10-18 Jan Hubicka <jh@suse.cz>
1269 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1272 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1274 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1275 TSI_SAME_STMT, since that's the desired entity.
1277 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1279 * config/s390/contraints.md: New file.
1280 * config/s390/s390-protos.h (s390_mem_constraint,
1281 s390_O_constraint_str, s390_N_constraint_str,
1282 s390_float_const_zero_p): Function prototypes added.
1283 * config/s390/s390.c (s390_extra_constraint_str,
1284 s390_const_double_ok_for_constraint_p,
1285 s390_const_ok_for_constraint_p): Functions removed.
1286 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1287 s390_float_const_zero_p): New functions.
1288 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1289 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1290 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1291 Macro definitions removed.
1292 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1293 s390_extra_constraint_str): Functions removed.
1295 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1296 Richard Sandiford <richard@codesourcery.com>
1299 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1300 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1302 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1304 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1305 (DWARF2_FRAME_REG_OUT): Likewise.
1306 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1307 (DWARF2_FRAME_REG_OUT): Likewise.
1309 2006-10-17 Paul Brook <paul@codesourcery.com>
1311 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1313 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1315 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1316 Standardize on "GNU Fortran" as the official name of the Fortran
1319 2006-10-16 Mike Stump <mrs@apple.com>
1321 * doc/invoke.texi (Darwin Options): Document -mkernel.
1322 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1324 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1325 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1326 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1327 (OS_MISSING_ALTIVEC): Add.
1328 * config/i386/i386.c (override_options): Add
1329 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1330 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1331 -mkernel, -static or -mdynamic-no-pic is given.
1332 (C_COMMON_OVERRIDE_OPTIONS): Add.
1333 * config/darwin.opt (fapple-kext): Add.
1335 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1336 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1338 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1339 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1340 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1341 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1342 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1343 (flag_mkernel): Add.
1344 (flag_apple_kext): Add.
1345 (TARGET_KEXTABI): Add.
1346 * config/darwin.c (darwin_handle_kext_attribute): Add.
1347 (DARWIN_VTABLE_P): Add.
1348 (darwin_binds_local_p): Add partial support for rebinding vtables
1350 (darwin_kextabi_p): Add.
1351 (darwin_override_options): Add.
1352 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1353 (darwin_kextabi_p): Add.
1354 (darwin_override_options): Add.
1355 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1356 __DYNAMIC__ and __STATIC__ here.
1358 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1360 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1361 Added mention of "make pdf" target, and Texinfo requirements for
1364 2006-10-16 DJ Delorie <dj@redhat.com>
1366 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1367 into the GOT in case we need a subreg of the address.
1369 2006-10-16 Richard Guenther <rguenther@suse.de>
1372 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1373 SSE builtin documentation. Document SSE2 builtins.
1375 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1377 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1378 symbol in the output file for non-shared links when -nostdlib or
1379 -nodefaultlibs isn't specified.
1381 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1382 posix thread support.
1384 2006-10-15 Jan Hubicka <jh@suse.cz>
1387 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1388 declared always_inline even when not inlining.
1390 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1391 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1392 Andrew Pinski <pinskia@gmail.com>
1395 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1397 2006-10-15 Jan Hubicka <jh@suse.cz>
1398 Richard Guenther <rguenther@suse.de>
1401 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1402 process_function_and_variable_attributes on all variables, including
1403 those discovered during cgraph construction phase.
1405 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1407 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1409 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1411 * config/i386/athlon.md (athlon_fist): Add fisttp.
1413 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1414 Ian Lance Taylor <ian@airs.com>
1417 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1418 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1421 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1423 * config/score/score.c, config/score/score.h: Fix comment
1426 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1429 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1432 2006-10-13 Eric Christopher <echristo@apple.com>
1434 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1436 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1439 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1440 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1441 alignment supported by 32-bit ELF.
1443 2006-10-13 Eric Christopher <echristo@apple.com>
1445 * config/darwin.c (darwin_emit_unwind_label): Strip
1446 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1448 2006-10-13 Richard Guenther <rguenther@suse.de>
1450 PR tree-optimization/29446
1451 * tree-vrp.c (fix_equivalence_set): Remove.
1452 (extract_range_from_assert): Do not call fix_equivalence_set.
1453 (debug_value_range): Print a newline.
1454 (compare_name_with_value): For equivalence sets with
1455 inconsistent value ranges conservatively bail out.
1456 (compare_names): Likewise.
1458 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1460 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1461 and MPFR for gfortran.
1463 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1465 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1466 alignment supported by 32-bit ELF.
1468 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1472 * c-typeck.c (digest_init): Always allow initializing vectors
1473 that have static storage duration with compound literals.
1474 * tree.c (build_type_attribute_qual_variant): New, based on
1475 build_type_attribute_variant.
1476 (build_type_attribute_variant): Rewrite using the former.
1477 (make_vector_type): Use build_type_attribute_qual_variant to build
1478 type variants. Use type_hash_canon on the others.
1480 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1481 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1483 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1485 2006-10-12 Jan Hubicka <jh@suse.cz>
1488 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1489 current_function_decl is set but current_function_scope is not.
1491 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1493 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1494 emit_insn to emit eh_return_internal instruction.
1495 (eh_return_internal): Explicitly set pc.
1497 2006-10-11 Richard Guenther <rguenther@suse.de>
1499 PR tree-optimization/28230
1500 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1501 to the correct place.
1503 2006-10-11 Richard Guenther <rguenther@suse.de>
1506 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1509 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1511 * configure.ac: Added pdf to "Make-hooks"
1512 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1513 targets and *.pdf file patterns in cleanup targets.
1514 * configure: Regenerated.
1516 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1518 * config/avr/predicates.md: New file.
1519 * config/avr/avr.md: Include it.
1520 (REG_SP): New constant.
1521 (peepholes): Use predicates.
1522 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1523 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1524 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1526 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1528 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1531 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1534 * builtins.c (var_decl_component_p): New function.
1535 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1536 single entry optimization to variables and components thereof.
1538 2006-10-10 Richard Guenther <rguenther@suse.de>
1540 PR rtl-optimization/29323
1541 * except.c (set_nothrow_function_flags): For functions
1542 that do not bind local bail out early.
1544 2006-10-10 Ben Elliston <bje@au.ibm.com>
1546 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1549 2006-10-09 Richard Henderson <rth@redhat.com>
1551 Revert emutls patch.
1553 2006-10-09 Richard Guenther <rguenther@suse.de>
1556 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1559 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1562 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1563 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1564 * configure: Regenerate.
1565 * config.in: Regenerate.
1567 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1569 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1571 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1573 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1574 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1575 Remove stray newline.
1577 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1579 * config/mips/mips.c (mips_classify_symbol): Do not return
1580 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1581 (mips_in_small_data_p): Tweak comments.
1583 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1585 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1587 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1589 * gimplify.c, sched-int.h: Fix comment typos.
1591 * sched-int.h: Fix comment typos.
1593 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1595 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1597 * sched-ebb.c (begin_schedule_ready): Use them.
1598 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1599 add_to_speculative_block, create_check_block_twin, speculate_insn,
1600 fix_jump_move, move_block_after_check): Ditto.
1601 * sched-rgn.c (new_ready): Ditto.
1603 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1605 PR rtl-optimization/29128
1606 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1607 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1608 allow interblock movement of speculation checks.
1610 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1613 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1614 casted to integer type.
1615 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1616 if they are significantly more expensive than [reg + index] ones.
1618 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1620 PR tree-optimization/29330
1621 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1622 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1623 on newly allocated ddrs.
1624 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1625 to VEC (loop_p, heap) pointer.
1626 (compute_data_dependences_for_loop): Adjust caller.
1627 (free_dependence_relations): Free DDR_LOOP_NEST.
1629 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1630 free DEPENDENCE_RELATIONS and DATAREFS.
1633 * builtins.c (expand_builtin_sync_operation,
1634 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1635 Use convert_to_mode to handle promoted arguments.
1637 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1639 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1641 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1643 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1645 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1647 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1648 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1649 Use <modeconstraint> instead of "r" as operand 1 constraint.
1651 2006-10-06 Olivier Hainque <hainque@adacore.com>
1653 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1654 Don't recurse on the pointed-to type.
1655 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1656 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1657 types with components of variable size.
1659 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1661 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1663 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1665 PR tree-optimization/29290
1666 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1670 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1671 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1674 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1675 the number of vector elements fill the rest with zeros.
1677 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1679 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1680 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1683 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1685 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1686 unnamed pattern into subsi3. Use correct constraints/predicates.
1687 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1688 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1690 2006-10-05 Ira Rosen <irar@il.ibm.com>
1692 * doc/loop.texi: Add data references analysis description.
1694 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1696 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1698 2006-10-04 Richard Henderson <rth@redhat.com>
1699 Jakub Jelinek <jakub@redhat.com>
1701 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1702 * builtin-types.def (BT_WORD): Make unsigned.
1703 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1704 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1705 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1706 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1707 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1708 * cgraph.c (decide_is_variable_needed): Look at force_output.
1709 Recurse for emulated tls.
1710 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1711 checks redundant with decide_is_variable_needed.
1712 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1713 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1715 * expr.c (emutls_var_address): New.
1716 (expand_expr_real_1): Expand emulated tls.
1717 (expand_expr_addr_expr_1): Likewise.
1718 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1719 * output.h (emutls_finish): Declare.
1720 * toplev.c (compile_file): Call it.
1721 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1722 address before wrapping in CONST.
1723 * varasm.c (emutls_htab, emutls_object_type): New.
1724 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1725 (get_emutls_object_name, get_emutls_object_type): New.
1726 (get_emutls_init_templ_addr, emutls_decl): New.
1727 (emutls_common_1, emutls_finish): New.
1728 (assemble_variable): When emulating tls, swap decls; generate
1729 constructor for the emutls objects.
1730 (do_assemble_alias): When emulating tls, swap decl and target name.
1731 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1733 * emutls.c: New file.
1734 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1735 tls_object for real tls.
1737 2006-10-04 Zack Weinberg <zackw@panix.com>
1739 Fix bug in constraint-check generator, reported by Rask Ingemann
1741 * genpreds.c (add_constraint): Don't remove anything from the
1743 (write_tm_constrs_h): Detect whether "op" argument is used, and
1744 mark it ARG_UNUSED if it isn't.
1745 (write_insn_const_int_ok_for_constraint): Skip the part of the
1746 expression that would test whether "op" (which is not available
1747 here) is a CONST_INT.
1749 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1752 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1754 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1756 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1757 current Leopard versions.
1758 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1760 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1762 * doc/install.texi: Fix typos.
1764 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1766 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1767 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1768 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1770 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1772 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1773 arg to be struct mach_header_64* instead.
1775 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1778 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1779 side effects after the outer expression's post side effects.
1781 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1783 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1784 comments to reflect actual behavior and relationship between
1785 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1787 * doc/c-tree.texi (Working with declarations): Fix documentation
1788 of FIELD_DECL likewise.
1790 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1793 * doc/extend.texi: Add used variable attribute description.
1795 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1798 * c.opt (Woverride-init): New.
1799 * c-opts.c (c_common_post_options): Default warn_override_init to
1801 * c-typeck.c (add_pending_init, output_init_element): Warn for
1802 overriding initializers without side effects.
1803 * doc/invoke.texi (-Woverride-init): Document.
1806 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1808 PR rtl-optimization/28096
1809 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1810 assignment has already been used as a destination earlier in the block.
1812 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1814 * builtins.c (expand_builtin_setjmp): Delete.
1815 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1816 <BUILT_IN_SETJMP_SETUP>: New case.
1817 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1818 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1819 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1820 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1821 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1822 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1823 (lower_function_body): Initialize it to false. If it is set to true
1824 at the end of the processing, emit the setjmp dispatcher.
1825 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1826 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1827 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1828 on the rhs of the assignment.
1829 (lower_builtin_setjmp): New function.
1830 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1831 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1832 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1833 to detect calls that can go to non-local labels. Use specific
1834 helper to create the abnormal edges associated with them.
1835 <MODIFY_EXPR>: Likewise.
1836 (make_abnormal_goto_edges): New function extracted from...
1837 (make_goto_expr_edges): ...here. Call it for computed gotos.
1838 (simple_goto_p): Minor tweak.
1839 (tree_can_make_abnormal_goto): New predicate.
1840 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1841 (tree_purge_dead_abnormal_call_edges): New function.
1842 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1843 (tree_purge_dead_abnormal_call_edges): Likewise.
1844 (make_abnormal_goto_edges): Likewise.
1845 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1846 Purge all dead abnormal edges if the call was in the last statement.
1847 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1848 (execute_fixup_cfg): If there are non-local labels in the function,
1849 scan the basic blocks and split them at calls that can go to non-local
1850 labels or add missing abnormal call edges. Write down the CFG in the
1852 (pass_fixup_cfg): Remove TODO_dump_func flag.
1853 * unwind-sjlj.c: Poison setjmp.
1854 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1855 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1856 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1857 (DONT_USE_BUILTIN_SETJMP): Document it.
1859 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1862 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1863 to 1 when __ppc64__ is defined.
1864 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1866 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1868 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1870 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1871 * config/ia64/unwind-hpux.c: Delete.
1873 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1875 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1876 on the element before gimplifying it, instead of punting if it is of
1879 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1881 * doc/loop.texi: New file.
1882 * doc/gccint.texi: Reference loop.texi.
1883 * Makefile.in (loop.texi): Add.
1885 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1887 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1889 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1890 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1892 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1894 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1896 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1898 * doc/install.texi: Document required versions of GMP and MPFR.
1900 2006-09-27 Paul Brook <paul@codesourcery.com>
1903 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1905 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1907 * reload1.c (alter_reg): Require the alignment of the stack slot to
1908 be at least reg_max_ref_width bytes.
1909 (scan_paradoxical_subregs): Record the largest width in
1912 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1916 * tree-nested.c (struct nesting_info): Added static_chain_added.
1917 (convert_call_expr): Set static_chain_added when adding static
1918 chain. Handle OMP_PARALLEL and OMP_SECTION.
1920 2006-09-25 Matthias Klose <doko@debian.org>
1922 * doc/invoke.texi: Add missing full stop.
1924 2006-09-25 Richard Henderson <rth@redhat.com>
1926 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1927 before cgraph_function_flags_ready.
1929 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1930 Adam Nemet <anemet@caviumnetworks.com>
1932 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1933 determine_common_wider_type): New functions.
1934 (get_computation_aff): Use them to simplify arithmetic between
1935 UBASE and CBASE if they are shortened from the same type.
1937 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1940 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1941 -2147483647 - 1 instead of 0x80000000.
1943 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1945 * flags.h (HONOR_NANS): Fix typo in comment.
1947 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1949 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1951 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1955 * tree.c (merge_attributes, attribute_list_contained): If both
1956 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1958 * c-typeck.c (comptypes_internal): Don't consider aggregates
1959 in different TUs as compatible if there one set of attributes is
1960 not a subset of the other type's attributes.
1961 (composite_type): Try harder not to create a new aggregate type.
1963 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1965 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1966 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1967 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1968 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1969 than replicating condition above.
1970 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1972 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1973 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1974 the linker by default.
1976 2006-09-22 Mike Stump <mrs@apple.com>
1978 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1981 2006-09-22 Richard Guenther <rguenther@suse.de>
1984 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1985 sort of stack variables stable.
1987 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1990 * explow.c (force_reg): Set REG_POINTER flag according to
1993 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1995 PR tree-optimization/28888
1996 * tree-if-conv.c (combine_blocks): Rewritten.
1997 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1998 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2000 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2002 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2005 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2007 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2009 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2011 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2013 2006-09-21 Roger Sayle <roger@eyesopen.com>
2016 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2017 dw_fde_current_label, to be the start of the function, i.e. the same
2018 value as dw_fde_begin.
2020 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2022 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2023 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2024 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2025 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2026 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2027 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2028 (abs<mode>2, neg<mode>2): Likewise.
2029 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2030 (*mips_abs_ps): New define_insn.
2032 2006-09-20 Josh Conner <jconner@apple.com>
2035 * calls.c (expand_call): Allow reuse of structure return stack
2038 2006-09-20 Paul Brook <paul@codesourcery.com>
2040 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2043 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2045 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2046 clean up terminology.
2048 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2051 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2052 with tablejumps in them.
2054 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2057 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2058 wrap it into TARGET_EXPR.
2060 2006-09-20 Eric Christopher <echristo@apple.com>
2062 * config/i386/i386.c (x86_fisttp): Remove.
2063 * config/i386/i386.h (x86_fisttp): Ditto.
2064 (TARGET_FISTTP): Ditto.
2066 2006-09-19 Eric Christopher <echristo@apple.com>
2068 * doc/tm.texi (OBJC_JBLEN): Describe.
2069 * config/i386/darwin.h (OBJC_JBLEN): Define.
2070 * config/rs6000/darwin.h: Ditto.
2072 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2074 PR rtl-optimization/21299
2075 * reload1.c (reload): Purge invalid ASMs in the final pass.
2077 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2080 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2081 pointers as legitimate constants.
2083 2006-09-19 Paul Brook <paul@codesourcery.com>
2086 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2088 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2090 PR tree-optimization/28887
2091 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2092 component parts from the reference.
2093 (gather_memory_references_ref): Record the reference without the
2094 nonaddressable component parts.
2096 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2099 * c-opts.c (c_common_handle_option): Ignore the -std options
2100 if the input language is assembly.
2102 2006-09-17 Ira Rosen <irar@il.ibm.com>
2105 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2107 (ptr_ptr_may_alias_p): Likewise.
2108 (record_record_differ_p): New function.
2109 (base_object_differ_p): Call record_record_differ_p.
2111 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2114 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2115 away for the expr argument.
2117 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2120 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2121 before using it for dumping after vectorizing loops.
2123 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2124 Jack Howarth <howarth@bromo.med.uc.edu>
2127 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2128 skip on error_mark_node.
2129 (rs6000_darwin64_record_arg_recurse): Likewise.
2131 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2133 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2134 * doc/rtl.texi: Remove related documentation.
2136 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2138 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2141 2006-09-15 Jim Wilson <wilson@specifix.com>
2143 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2144 Handle symbol offsets same as they are handled in ia64_expand_move
2147 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2149 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2150 Add forgotten parameter to the fprintf call.
2152 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2154 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2156 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2158 * doc/contrib.texi: Add my entry.
2160 2006-09-15 Nick Clifton <nickc@redhat.com>
2162 * doc/md.texi (Processor pipeline description): Fix typo in
2163 example of how to use the absence_set directive and reword the
2164 description to make it slightly easier to read.
2166 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2168 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2169 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2170 expanding the number of iterations.
2171 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2173 * cfgrtl.c (emit_insn_at_entry): New function.
2174 * rtl.h (emit_insn_at_entry): Declare it.
2175 * integrate.c (emit_initial_value_sets): Use it.
2177 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2179 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2181 (struct loop_work and related VEC declarations): Delete.
2182 (bfin_dump_loops): Print out new member bad.
2183 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2184 (bfin_scan_loop): Don't recurse.
2185 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2186 loops. No longer need to update outer loops if the current one is
2187 found bad. Move some validitiy checks to bfin_discover_loop.
2188 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2189 but changed not to check for nesting. Also changed to use the new bad
2191 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2192 time. Use bitmap based test to discover loop nesting.
2194 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2196 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2199 2006-09-14 Richard Guenther <rguenther@suse.de>
2200 Kazu Hirata <kazu@codesourcery.com>
2202 PR middle-end/28884.
2203 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2204 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2205 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2206 with TARGET_FUNCTION_VALUE.
2208 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2211 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2213 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2215 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2218 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2221 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2224 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2226 * basic_block.h (bb_has_eh_pred): Fix comment.
2228 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2230 * flow.c (calculate_global_regs_live): Invalidate eh registers
2231 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2232 (propagate_block): Handle eh registers as if they were set at basic
2234 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2236 * global.c (global_conflicts): Make eh registers to conflict with
2237 pseudos live at basic block begin.
2238 * basic_block.h (bb_has_eh_pred): New function.
2240 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2242 PR rtl-optimization/28982
2243 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2244 index of a PRE_MODIFY or POST_MODIFY address.
2245 * reload1.c (inc_for_reload): Use find_replacement on the original
2246 base and index registers.
2248 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2250 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2251 for -Os. Update __m128 alignment requirement.
2253 2006-09-13 Jan Hubicka <jh@suse.cz>
2255 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2257 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2259 PR rtl-optimization/28243
2260 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2261 the insn to which the note was originally attached.
2263 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2264 Roger Sayle <roger@eyesopen.com>
2266 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2267 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2268 on platforms that don't use dwarf for debug info.
2270 2006-09-12 Jason Merrill <jason@redhat.com>
2273 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2274 hard_frame_pointer_rtx after using it to update the frame pointer.
2276 2006-09-12 Roger Sayle <roger@eyesopen.com>
2278 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2279 (TARGET_ASM_CLOSE_PAREN): Likewise.
2280 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2281 (TARGET_ASM_CLOSE_PAREN): Likewise.
2283 2006-09-12 Roger Sayle <roger@eyesopen.com>
2286 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2287 frame information for frames larger than 512 Kbytes on Tru64 when
2288 using the native assembler.
2290 2006-09-12 Roger Sayle <roger@eyesopen.com>
2294 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2295 and symbols. Instead use the implementation from cse.c's hash_rtx.
2297 2006-09-12 Jan Hubicka <jh@suse.cz>
2299 PR rtl-optimization/28071
2300 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2301 (vect_transform_loop): Likewise.
2302 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2303 (new_loop_vec_info): Likewise.
2304 (destroy_loop_vec_info): Likewise.
2305 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2306 (create_stmt_ann): Likewise.
2307 (create_tree_ann): Rename to ...
2308 (create_tree_common_ann): ... this one; allocate only the common part
2310 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2311 (get_value_handle): Likewise.
2312 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2313 get_tree_common_ann.
2314 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2315 (vinfo_for_stmt): Use stmt annotations.
2316 * tree-flow.h (tree_ann_common_t): New type.
2317 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2318 (tree_ann, get_tree_ann, create_tree_ann): New.
2319 * tree-flow-inline.h (get_function_ann): Do more type checking.
2320 (stmt_ann): Likewise.
2321 (tree_ann): Rename to ...
2322 (tree_common_ann): ... this one; return ony common_ann
2323 (get_tree_ann): Rename to ...
2324 (tree_common_ann): This one; return only common_ann.
2325 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2328 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2330 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2331 with_cpu by default.
2333 * dwarf2out.c (dwarf_file_data): New.
2334 (enum dw_val_class): Add dw_val_class_file.
2335 (struct dw_val_struct): Add val_file.
2336 (file_table): Change to a hash table.
2337 (file_table_emitted): Delete.
2338 (file_table_last_lookup_index): Delete.
2339 (emitcount): Delete.
2340 (last_emitted_file): New.
2341 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2342 (init_file_table): Delete.
2343 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2344 (AT_addr): Add comment.
2348 (print_die): Handle dw_val_class_file.
2349 (print_dwarf_line_table): Update for new file table structure.
2350 (attr_checksum): Do checksum a filename.
2351 (same_dw_val_p, same_attr_p): Do compare a filename.
2352 (size_of_die): Handle dw_val_class_file.
2353 (value_format): Likewise.
2354 (output_die): Likewise. Also, call maybe_emit_file here.
2355 (struct file_info): Constify filenames. Make file_idx a pointer
2356 to a struct dwarf_file_data.
2357 (struct dir_info): Constify directory names. Remove 'used' field.
2358 (struct file_name_acquire_data): New.
2359 (file_name_acquire): New.
2360 (output_file_names): Modify to handle new file data structures.
2361 (add_src_coords_attributes): Use add_AT_file.
2362 (add_call_src_coords_attributes): Likewise.
2363 (dwarf2out_imported_module_or_decl): Likewise.
2364 (gen_subprogram_die): Modify for new file data structures.
2365 (gen_variable_die): Likewise.
2366 (file_table_eq): New.
2367 (file_table_hash): New.
2368 (file_table_last_lookup): New.
2369 (lookup_filename): Rewrite to handle new file data structures.
2370 (maybe_emit_file): Rewrite to handle new file data structures.
2371 (dwarf2out_source_line): Always call lookup_filename and
2373 (dwarf2out_init): Create file_table here.
2374 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2375 (file_table_relative_p): New.
2376 (dwarf2out_finish): Change detection of relative filenames
2377 to work with new file data structures. Move output_line_info call
2378 after debug_info output.
2380 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2385 * config/i386/i386.c (override_options): Always default to 16
2386 byte stack boundary.
2388 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2391 * var-tracking.c (dump_dataflow_set): Start dumping at
2393 (clobber_variable_part): Kill only the variable part in
2394 registers holding it, leaving other variables alone.
2396 2006-09-11 Josh Triplett <josh@freedesktop.org>
2398 * doc/extend.texi (Other Builtins): Actually use the macro
2399 argument in the documentation example for
2400 __builtin_types_compatible_p.
2402 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2404 PR rtl-optimization/28726
2405 * sched-deps.c (sched_analyze_reg): New function extracted from...
2406 (sched_analyze_1): ...here. Call it to analyze references to
2407 registers. Treat again writes to a stack register as writing to the
2409 (sched_analyze_2): ...and here. Call it to analyze references to
2410 registers. Treat again reads of a stack register as reading the
2413 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2414 David Edelsohn <edelsohn@gnu.org>
2417 * config/rs6000/spe.md (frob_df_di): Remove %H.
2418 (frob_di_df): Remove %H. Change evmergelo to mr.
2419 (frob_di_df_2): Remove %H. Change evldd to two loads.
2421 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2423 * doc/cpp.texi: Fix names of charset options.
2425 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2428 * config/i386/i386.c (override_options): Use 128-bit
2429 stack boundary always for 64bits.
2431 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2433 PR rtl-optimization/28636
2434 * combine.c (force_to_mode): Test for side-effects before
2435 substituting by zero.
2436 (simplify_shift_const): Likewise for zero or other constants.
2438 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2441 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2444 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2447 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2448 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2449 returned by mode_for_size, rather than the mode of src itself,
2450 to choose between 32-bit and 64-bit patterns.
2451 (mips_mem_fits_mode_p): New function.
2452 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2453 that the size of the source matches the size of the destination.
2454 (mov_<store>l, mov_<store>r): Likewise.
2456 2006-09-10 Eric Christopher <echristo@apple.com>
2458 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2461 2006-09-09 Eric Christopher <echristo@apple.com>
2464 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2467 2006-09-09 Roger Sayle <roger@eyesopen.com>
2468 Nicolas Setton <setton@adacore.com>
2470 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2472 2006-09-10 Andreas Schwab <schwab@suse.de>
2474 * config/m68k/m68k.md (bungt_rev): New pattern.
2476 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2477 Dale Johannesen <dalej@apple.com>
2480 * regclass.c (struct reg_pref): Update documentation.
2481 (regclass): Set prefclass to NO_REGS if memory is the best option.
2482 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2484 2006-09-08 Eric Christopher <echristo@apple.com>
2486 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2487 * config/t-slibgcc-darwin: Support x86_64 multilib.
2488 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2489 Return 1 for x86_64-darwin.
2490 * config/i386/t-darwin: Add m64 multilib.
2491 (LIB2_SIDITI_CONV_FUNCS): Use.
2492 (LIB2FUNCS_EXTRA): Ditto.
2493 * config/i386/darwin.h: Support x86_64.
2494 * config/i386/i386.c (override_options): Turn on flag_pic
2495 for x86_64-darwin. Disable flag_omit_pointer.
2496 (get_pc_thunk_name): Assert !TARGET_64BIT.
2497 (legitimate_address_p): Disable machopic addressing for
2499 (legitimize_pic_address): Ditto.
2500 (ix86_expand_move): Ditto.
2501 (ix86_expand_call): Ditto.
2502 (machopic_output_stub): Ditto.
2503 * config/darwin.c (machopic_select_section): Support literal16.
2504 (machopic_select_rtx_section): Ditto.
2505 * config/darwin-sections.def: Ditto.
2506 * config/darwin-64.c: New.
2508 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2511 * c-tree.h (struct c_arg_info): Add pending_sizes.
2512 * c-parser.c (c_parser_parms_declarator,
2513 c_parser_parms_list_declarator): Initialize pending_sizes.
2514 * c-decl.c (get_parm_info): Initialize pending_sizes.
2515 (get_parm_info): Set pending_sizes.
2516 (grokdeclarator): Call put_pending_sizes for parameters for
2517 function definition only.
2519 2006-09-07 Jason Merrill <jason@redhat.com>
2522 * varasm.c (output_constant): Only strip actual no-op conversions.
2525 * config/i386/i386.c (override_options): Use 128-bit
2526 stack boundary if -msse.
2528 2006-09-07 Eric Christopher <echristo@apple.com>
2530 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2532 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2535 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2537 * dwarf2out.c: Remove strange characters from comment above
2538 dwarf2out_frame_debug_expr.
2540 2006-09-07 Eric Christopher <echristo@apple.com>
2542 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2543 * config/darwin.h: ... to here.
2545 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2547 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2549 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2550 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2552 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2553 TARGET_PARTIAL_FLAG_REG_STALL.
2554 (*ashldi3_cconly_rex64): Likewise.
2555 (*ashlsi3_cmp): Likewise.
2556 (*ashlsi3_cconly): Likewise.
2557 (*ashlsi3_cmp_zext): Likewise.
2558 (*ashlhi3_cmp): Likewise.
2559 (*ashlhi3_cconly): Likewise.
2560 (*ashlqi3_cmp): Likewise.
2561 (*ashlqi3_cconly): Likewise.
2562 (*ashrdi3_cmp_rex64): Likewise.
2563 (*ashrdi3_cconly_rex64): Likewise.
2564 (*ashrsi3_cmp): Likewise.
2565 (*ashrsi3_cconly): Likewise.
2566 (*ashrsi3_cmp_zext): Likewise.
2567 (*ashrhi3_cmp): Likewise.
2568 (*ashrhi3_cconly): Likewise.
2569 (*ashrqi3_cmp): Likewise.
2570 (*ashrqi3_cconly): Likewise.
2571 (*lshrdi3_cmp_rex64): Likewise.
2572 (*lshrdi3_cconly_rex64): Likewise.
2573 (*lshrsi3_cmp): Likewise.
2574 (*lshrsi3_cconly): Likewise.
2575 (*lshrsi3_cmp_zext): Likewise.
2576 (*lshrhi3_cmp): Likewise.
2577 (*lshrhi3_cconly): Likewise.
2578 (*lshrqi2_cmp): Likewise.
2579 (*lshrqi2_cconly): Likewise.
2581 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2584 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2585 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2586 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2587 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2588 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2589 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2590 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2591 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2592 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2593 implement only CC setting effects of shift instructions.
2595 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2597 * doc/contrib.texi: Add myself.
2599 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2602 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2603 was set by the user.
2605 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2608 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2609 (divsi_inv_m1): Use them.
2610 (UNSPEC_DIV_INV_TABLE): New constant.
2612 2006-09-06 James E Wilson <wilson@specifix.com>
2615 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2616 then call count_or_remove_death_notes.
2618 2006-09-06 Jason Merrill <jason@redhat.com>
2621 * tree-inline.c (copy_result_decl_to_var): New fn.
2622 (declare_return_variable): Use it. Call declare_inline_vars here.
2623 (expand_call_inline): Not here.
2625 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2627 * doc/contrib.texi: Update my entry.
2629 2006-09-06 Nick Clifton <nickc@redhat.com>
2631 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2633 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2636 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2637 (canonicalize_induction_variables): Likewise.
2638 (tree_unroll_loops_completely): Likewise.
2639 (tree_ssa_prefetch_arrays): Likewise.
2640 (remove_empty_loops): Likewise.
2641 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2642 TODO_cleanup_cfg instead of directly calling
2643 cleanup_tree_cfg_loop.
2644 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2646 (tree_unroll_loops_completely): Likewise.
2647 (remove_empty_loops): Likewise.
2648 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2649 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2650 of tree_ssa_unswitch_loops.
2651 (tree_ssa_loop_ivcanon): Use the return value of
2652 canonicalize_induction_variables.
2653 (tree_ssa_empty_loop): Use the return value of
2655 (tree_complete_unroll): Use the return value of
2656 tree_unroll_loops_completely.
2657 (tree_ssa_loop_prefetch): Use the return value of
2658 tree_ssa_prefetch_arrays.
2659 * passes.c (execute_todo): Before Cleanup CFG, set
2660 updating_used_alone and after cleanup CFG, call
2661 recalculate_used_alone.
2663 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2666 * tree-vect-transform.c (vectorizable_condition): Move the check
2667 for the type after the check for simple condition.
2669 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2670 Kaz Kojima <kkojima@gcc.gnu.org>
2673 * mode-switching.c (optimize_mode_switching): Make the destination
2674 block of an abnormal edge have no anticipatable mode. Don't
2675 insert mode switching code at the end of the source block of
2678 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2680 PR rtl-optimization/26847
2681 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2682 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2683 (simplify_plus_minus): Count n_constants while filling ops. Replace
2684 qsort with insertion sort. Before going through the array to simplify
2685 pairs, sort it. Delay early exit until after the first sort, exiting
2686 only if no swaps occurred. Simplify pairs in reversed order, without
2687 special-casing the first iteration. Pack ops after simplifying pairs.
2689 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2691 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2692 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2693 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2694 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2696 2006-09-05 Richard Guenther <rguenther@suse.de>
2698 PR tree-optimization/28900
2699 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2700 compound conditional before creating COND_EXPR condition.
2702 2006-09-05 Richard Guenther <rguenther@suse.de>
2704 PR tree-optimization/28905
2705 * tree-vrp.c (fix_equivalence_set): Manually implement
2706 !value_ranges_intersect_p to also handle symbolic ranges.
2708 2006-09-05 Richard Guenther <rguenther@suse.de>
2711 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2714 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2716 PR rtl-optimization/27616
2717 * cse.c (table_size): New static variable.
2718 (new_basic_block): Initialize it to 0.
2719 (remove_from_table): Decrement it.
2720 (insert): Increment it.
2721 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2722 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2723 fold_rtx_mem_1 if under the cap.
2724 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2725 the lookup of the equivalent expression and test for equality of the
2726 first operand of the equivalent expression before in turn looking up
2727 an equivalent constant for the second operand.
2729 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2732 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2733 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2734 pointer, instead of assuming it is possible to derive the
2735 correct args size from a call insn.
2737 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2740 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2741 (fold_builtin_mempcpy): Rename to...
2742 (fold_builtin_memory_op): ... this. Optimize one element copy
2744 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2746 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2747 (expand_builtin_memcpy, expand_builtin_mempcpy,
2748 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2749 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2750 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2751 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2753 2006-09-01 DJ Delorie <dj@redhat.com>
2755 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2756 (stzx_16): Likewise.
2757 ("stzx_24_<mode>"): Likewise.
2758 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2759 ("cmp<mode>_op"): New.
2760 (cmp<mode>): Change to expander; just save operands.
2762 (b<code>): Change to expander, emit compare here.
2763 (s<code>_op): Change to use split and expander.
2764 (s<code>_24_op): Likewise.
2765 (s<code>_<mode>): New.
2766 (s<code>_<mode>_24): New.
2767 (movqicc_<code>_<mode): New.
2768 (movhicc_<code>_<mode>): New.
2771 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2772 (m32c_pend_compare): New.
2773 (m32c_unpend_compare): New.
2774 (m32c_expand_scc): New.
2775 (m32c_expand_movcc): Emit the compare also.
2776 * config/m32c/predicates.md (mra_nopp_operand): New.
2778 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2779 Richard Guenther <rguenther@suse.de>
2780 Adam Nemet <anemet@caviumnetworks.com>
2783 * builtins.c (get_pointer_alignment): Handle more forms
2784 of base addresses that can be used to derive more precise
2785 information about alignment.
2787 2006-09-01 Jason Merrill <jason@redhat.com>
2790 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2793 * gimplify.c (voidify_wrapper_expr): Handle null type.
2795 2006-09-01 Josh Conner <jconner@apple.com>
2798 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2799 (execute_return_slot_opt): Use it.
2801 2006-08-31 Josh Conner <jconner@apple.com>
2804 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2805 returning aggregates.
2807 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2809 PR tree-optimization/28839
2810 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2811 blocks in that phi arguments appear.
2813 2006-08-31 Roger Sayle <roger@eyesopen.com>
2816 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2817 NULL, otherwise use an advance_loc4 to adjust relative to the
2819 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2820 (dwarf2out_switch_text_section): Reset the current label to avoid
2821 using advance_loc4 over section boundaries.
2823 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2826 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2827 r12 + SYMBOLIC_CONST.
2829 2006-08-30 Richard Guenther <rguenther@suse.de>
2831 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2833 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2835 PR rtl-optimization/27735
2836 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2837 Add new argument to keep track of whether an irreducible region
2838 was affected. All callers changed.
2839 (fix_irreducible_loops): Removed.
2840 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2841 flags were invalidated.
2843 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2845 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2846 instead of SF operands.
2847 (*fop_df_comm_sse): Likewise.
2848 (*fop_df_comm_i387): Likewise.
2849 (*fop_df_1_mixed): Likewise.
2850 (*fop_df_1_sse): Likewise.
2852 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2853 J"orn Rennecke <joern.rennecke@st.com>
2855 PR tree-optimization/17506
2856 * tree-ssa.c (warn_uninit): If warning about a location outside of
2857 the current function, note where the variable was declared.
2859 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2861 PR tree-optimization/28411
2862 * double-int.c (double_int_div): Use double_int_divmod.
2863 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2864 double_int_mod, double_int_smod, double_int_umod): New functions.
2865 * double-int.h (double_int_divmod, double_int_sdivmod,
2866 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2868 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2870 (get_computation_aff, get_computation_cost_at): Handle double_int
2871 return type of constant_multiple_of.
2873 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2876 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2877 an implicit conversion.
2879 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2881 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2883 2006-08-27 Roger Sayle <roger@eyesopen.com>
2885 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2888 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2890 * config/i386/crtfastmath.c: Fix a comment typo.
2892 2006-08-26 Roger Sayle <roger@eyesopen.com>
2894 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2895 temporary visit flags on CASE_LABEL_EXPRs.
2896 * c-common.c (match_case_to_enum): Add function comment. Avoid
2897 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2898 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2899 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2900 a constant, only warn if that constant value isn't handled.
2902 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2905 * input.h (restore_input_file_stack): Declare.
2906 (INPUT_FILE_STACK_BITS): Define.
2907 * toplev.c (fs_p, input_file_stack_history,
2908 input_file_stack_restored, restore_input_file_stack): New.
2909 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2910 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2911 (pop_srcloc): Don't free old state of stack.
2913 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2916 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2917 (PowerPC Type Attributes): New.
2919 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2921 * config/xtensa/xtensa.c (function_arg_boundary): New.
2922 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2924 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2925 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2927 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2930 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2933 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2935 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2936 (verify_local_live_at_start): Likewise.
2938 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2941 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2942 omp_add_variable): Treat sizes as variable whenever not
2945 2006-08-26 Richard Guenther <rguenther@suse.de>
2948 * fold-const.c (fold_binary): Fold temporary to correct
2949 type before constructing new comparison.
2951 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2954 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2955 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2957 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2960 * c-decl.c (start_function): Don't try to process prototype
2961 information from old declaration that isn't a function.
2963 2006-08-25 Jan Hubicka <jh@suse.cz>
2966 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2968 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2971 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2974 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2976 PR tree-optimization/16876
2977 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2978 exit if PARM doesn't match VALUE.
2980 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2982 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2983 literal_prefix directive.
2984 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2985 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2986 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2988 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2991 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2992 predicate to general_operand. Add 0->y and I->r alternatives.
2994 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2996 * doc/tm.texi: Fix a typo.
2997 * predict.c: Fix comment typos.
2999 2006-08-25 Nick Clifton <nickc@redhat.com>
3001 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3002 assertions of "cpu" and "machine".
3004 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3007 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3008 the access through a base which has an alias set of 0 cannot
3011 2006-08-24 Bill Wendling <wendling@apple.com>
3013 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3015 2006-08-24 Jan Hubicka <jh@suse.cz>
3017 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3019 2006-08-24 Jan Hubicka <jh@suse.cz>
3022 * cgraph.c: Fix comments.
3023 (cgraph_varpool_mark_needed_node): Mark only variables not already
3025 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3026 (cgraph_varpool_assembled_nodes_queue): New static variable.
3027 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3028 (cgraph_varpool_output_debug_info): New function.
3029 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3030 * Makefile.in: Add gt-cgraphunit.h
3032 2006-08-24 Jan Hubicka <jh@suse.cz>
3034 * predict.c (probability_reliable_p): New predicate.
3035 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3036 (predict_loops): Do not predict loop exit with less than 2%
3038 * basic-block.h (edge_probability_reliable_p,
3039 br_prob_note_reliable_p): Declare.
3040 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3041 prediction when static predictor is not reliable.
3042 * rs6000.c (output_cbranch): Likewise.
3044 2006-08-23 Stuart Hastings <stuart@apple.com>
3047 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3048 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3050 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3053 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3054 complex values, nor for generic vector values.
3056 2006-08-22 Richard Guenther <rguenther@suse.de>
3059 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3060 parameter. Convert arguments to arithmetic expression to the
3062 (analyze_scalar_evolution_1): Adjust caller.
3064 2006-08-22 Jan Hubicka <jh@suse.cz>
3066 Patch by Paolo Bonzini
3067 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3070 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3072 PR tree-optimization/28003
3073 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3074 before grouping aliases.
3076 2006-08-22 Roger Sayle <roger@eyesopen.com>
3078 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3079 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3081 2006-08-21 Jason Merrill <jason@redhat.com>
3084 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3085 wrapper. Loop to handle nested wrappers.
3086 (gimplify_bind_expr): Remove temp parameter.
3087 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3088 and STATEMENT_LIST on the rhs.
3089 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3090 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3091 (gimplify_target_expr): Remove special BIND_EXPR handling.
3093 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3095 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3098 2006-08-21 Olivier Hainque <hainque@adacore.com>
3100 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3101 Arrange for the temporary captures of components overlapping the lhs
3102 to happen before the lhs is possibly cleared.
3104 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3106 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3107 necessary places to pass the correct "number of registers" values
3110 2006-08-20 Jan Hubicka <jh@suse.cz>
3112 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3113 (create_name_tags): Instead of quadratic checking use hashtable.
3114 * bitmap.h: Include hashtab.h.
3115 (bitmap_hash): Declare.
3116 * bitmap.c (bitmap_hash): New function.
3118 2006-08-20 Jan Hubicka <jh@suse.cz>
3120 PR rtl-optimization/28071
3121 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3123 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3124 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3125 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3126 cgraph_decide_inlining_incrementally): Update use of
3127 cgraph_check_inline_limits.
3128 * cgraph.c (edge_hash, edge_eq): New function.
3129 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3130 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3131 cgraph_remove_node): Maintain call site hash.
3132 * cgraph.h (struct cgraph_node): Add call_site_hash.
3133 (cgraph_set_call_stmt): New function.
3135 2006-08-20 Jan Hubicka <jh@suse.cz>
3137 PR rtl-optimization/28071
3138 * reload1.c (reg_has_output_reload): Turn into regset.
3139 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3140 choose_reload_regs, emit_reload_insns): Update to new
3141 reg_has_output_reload.
3143 2006-08-20 Jan Hubicka <jh@suse.cz>
3146 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3147 function body sizes.
3148 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3150 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3153 * tree.c (handle_dll_attribute): Return early if not a
3154 var or function decl.
3156 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3159 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3160 alignment of SPE vector types.
3162 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3164 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3166 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3169 * cgraph.h (struct cgraph_node): Remove externally_visible
3171 * cgraphunit.c (process_function_and_variable_attributes): Set
3172 local.externally_visible rather than externally_visible.
3175 * c-common.c (handle_externally_visible_attribute): First look
3176 at TREE_CODE and only if it is function or var decl, check for
3177 non-public objects. Don't warn for DECL_EXTERNAL.
3178 * cgraphunit.c (process_function_and_variable_attributes): Warn
3179 if externally_visible attribute is used on non-public object.
3181 2006-08-17 Jan Hubicka <jh@suse.cz>
3183 PR tree-optimization/27865
3184 * reload1.c (forget_marked_reloads): New function.
3185 (forget_old_reloads_1): When data are passed, just mark the registers
3187 (reload_as_needed): Use the new mechanizm.
3189 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3192 * reload.h (reg_equiv_alt_mem_list): New declaration.
3193 * reload1.c (reg_equiv_alt_mem_list): New definition.
3194 (reload): Initialize it and release it.
3195 (delete_output_reload): Use it.
3196 * reload.c (push_reg_equiv_alt_mem): New function.
3197 (find_reloads_toplev): Call it.
3198 (find_reloads_address, find_reloads_address_1): Likewise.
3199 (find_reloads_subreg_address): Likewise.
3201 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3203 PR rtl-optimization/28489
3204 * sched-ebb.c (begin_schedule_ready): Create basic block
3206 (advance_target_bb): Skip empty blocks.
3207 * haifa-sched.c (bb_note): Make global.
3208 * sched-int.h (bb_note): Add prototype.
3210 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3212 PR tree-optimization/27865
3213 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3215 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3216 fold_used_pointer, pointer_used_p): New functions.
3217 (analyze_scalar_evolution_1): Use fold_used_pointer.
3218 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3219 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3222 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3225 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3226 or the INTEGER_CST. Fail on a CALL_EXPR.
3227 (fold_offsetof): Pass new argument to fold_offsetof_1.
3228 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3229 operand into an INDIRECT_REF.
3230 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3232 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3234 PR gcov/profile/26570
3235 * value-prof.c (static_values): Removed.
3236 (tree_find_values_to_profile): Do not set static_values.
3237 (find_values_to_profile): Do not free static_values.
3238 * profile.c (instrument_values): Do not free the values.
3239 (branch_prob): Free the values.
3241 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3243 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3245 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3248 * c-typeck.c (build_component_ref): Combine qualifiers of
3249 structure or union and field.
3251 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3253 PR rtl-optimization/28071
3254 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3255 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3256 * tree-into-ssa.c (struct dom_dfsnum): New.
3257 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3259 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3260 compute_global_livein.
3261 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3262 in phi nodes in the correct blocks.
3264 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3266 PR tree-optimization/28364
3267 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3269 (fold_affine_expr): New function.
3270 (may_eliminate_iv): Use fold_affine_expr.
3272 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3275 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3278 2006-08-16 Mike Stump <mrs@apple.com>
3280 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3281 * doc/cppopts.texi (-MD): Likewise.
3283 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3286 * c-common.c (handle_weak_attribute): Ignore and warn if
3287 not a FUNCTION_ or VAR_DECL.
3289 2006-07-15 Mike Stump <mrs@apple.com>
3292 * c-parser.c (c_parser_typeof_specifier): Don't use
3293 c_finish_expr_stmt, open code desired semantics instead.
3295 2006-08-15 Nick Clifton <nickc@redhat.com>
3297 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3298 fragment to tmake_file only if threads are enabled.
3299 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3300 * config/i386/t-gthr-win32: New file. ... here.
3302 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3305 * c-parser.c (c_parser_compound_statement_nostart): Reset
3306 parser->error after each statement.
3308 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3311 * omp-low.c (lower_omp_parallel): Convert t to
3312 receiver_decl's type.
3313 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3314 source before comparison.
3317 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3318 to itype in assignment to oldival2.
3320 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3324 * c-typeck.c (build_compound_expr): If the second expression
3325 is an error mark, then just return an error mark instead of
3326 creating a COMPOUND_EXPR.
3328 2006-07-14 Mike Stump <mrs@apple.com>
3330 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3332 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3334 * c-decl.c, var-tracking.c: Fix comment typos.
3336 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3338 PR rtl-optimization/28634
3339 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3340 for floating-point modes unless flag_unsafe_math_optimizations.
3342 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3343 Andrew Pinski <pinskia@physics.uc.edu>
3346 * tree.c (build_array_type): Unify array types with
3347 unspecified index_type.
3348 * c-decl.c (grokdeclarator): Make sure we do not modify a
3349 unified incomplete array type.
3350 * c-typeck.c (store_init_value): Create distinct type before
3351 filling in the index type in an initializer from a compound
3354 * c-decl.c (grokdeclarator): Remove code where we copy the
3357 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3359 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3360 into account for TODO_dump_cgraph.
3361 (TODO_update_ssa_no_phi): Likewise.
3362 (TODO_update_ssa_full_phi): Likewise.
3363 (TODO_update_ssa_only_virtuals): Likewise.
3364 (TODO_remove_unused_locals): Likewise.
3365 (TODO_set_props): Likewise.
3366 (TODO_update_stmt_usage): Likewise.
3368 2006-08-13 Dirk Mueller <dmueller@suse.de>
3370 * c-common.c (strict_aliasing_warning): Fix formatting.
3372 2006-08-13 Matthias Klose <doko@debian.org>
3374 * doc/invoke.texi: Fix spelling errors.
3376 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3378 PR rtl-optimization/23454
3379 * reorg.c (relax_delay_slots): Update comment.
3381 2006-08-11 Richard Guenther <rguenther@suse.de>
3384 * simplify-rtx.c (simplify_const_relational_operation):
3385 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3388 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3390 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3391 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3393 2006-08-10 Paul Brook <paul@codesourcery.com>
3395 * final.c (final_scan_insn): Clear current_insn_predicate before
3396 outputting inline asm.
3398 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3400 PR tree-optimization/26197
3401 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3402 get_ref_base_and_extent and overlap_subvar to add only relevant
3403 subvars as may-aliases.
3404 (add_may_alias_for_new_tag): New function, factored out of
3406 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3407 with additional argument.
3408 * tree-flow.h (new_type_alias): Takes additional argument.
3410 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3412 * gcov.c (no_data_file): New flag.
3413 (read_count_file): Set it if data file not present. Assume counts
3415 (output_lines): Don't name the data file, if there wasn't one.
3417 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3419 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3420 (rs6000_generate_compare): Tweak comments.
3421 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3423 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3425 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3426 (var_debug_decl): New function.
3427 (var_reg_set): Follow debug decl link. Add location even if
3428 reg is already known to hold some other variable.
3429 (var_mem_set): Follow debug decl link.
3430 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3431 decl link. Delete other known locations of the variable part
3433 (var_reg_delete, var_mem_delete): Delete other known locations
3434 of the variable part if requested.
3435 (same_variable_part_p): New function.
3436 (add_stores): Select MO_COPY when appropriate.
3437 (vt_initialize): Handle it.
3438 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3439 known locations for MO_SET and MO_CLOBBER.
3440 (find_variable_location_part): New function.
3441 (set_variable_part, delete_variable_part): Use it.
3442 (clobber_variable_part): New function.
3443 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3446 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3448 PR tree-optimization/26969
3449 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3450 with an empty list of PHIs.
3452 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3456 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3459 2006-08-06 Andreas Schwab <schwab@suse.de>
3461 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3462 string. Whitespace and comment fixup.
3464 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3467 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3471 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3474 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3476 2006-08-04 Jan Hubicka <jh@suse.cz>
3480 * reload.c (push_reload): Patch out the mismatching instruction;
3482 (find_reload): Bail out if the instruction was patched out.
3484 2006-08-04 Jan Hubicka <jh@suse.cz>
3486 PR tree-optimization/24888
3487 * tree-inline.c (expand_call_inline): Do not re-record variables.
3488 (declare_inline_vars): Add variable to unexpanded_var_list.
3490 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3491 Roger Sayle <roger@eyesopen.com>
3493 PR rtl-optimization/26244
3494 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3495 inner_const are negative or greater than or equal to the bitsize of
3496 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3497 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3498 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3499 CONST0_RTX (mode) when the new shift count is greater than or equal to
3500 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3503 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3505 * tree-cfg.c: Fix a comment typo.
3507 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3510 * varasm.c (output_constant): Give the front end another chance to
3511 expand constants, after stripping NOPs.
3513 2006-08-03 Jan Hubicka <jh@suse.cz>
3515 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3518 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3520 PR tree-optimization/27770
3521 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3522 declaration removed (moved to tree-flow.h).
3523 (vect_can_force_dr_alignment_p): Likewise.
3524 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3525 (moved from tree-vectorizer.h).
3526 (vect_can_force_dr_alignment_p): Likewise.
3527 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3528 from outside the vectorizer - in particular from cgraph stage.
3529 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3530 the alignment of global arrays when -fsection-anchors is enabled.
3531 * cgraphunit.c (cgraph_increase_alignment): New function.
3532 (cgraph_optimize): Call cgraph_increase_alignment.
3534 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3537 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3538 not reload a SPE symbol_ref into a lo_sum address.
3540 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3543 * dwarf2out.c (prune_unused_types_prune): Move call to
3544 prune_unused_types_update_strings to cover the parent DIE also.
3546 2006-08-02 Jan Hubicka <jh@suse.cz>
3548 PR gcov/profile/28480
3549 * tree-cfg.c (change_bb_for_stmt): New function.
3550 (tree_merge_blocks, tree_split_blocks): Use it.
3552 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3558 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3559 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3560 (cgraph_optimize): Likewise.
3562 2006-08-01 Stuart Hastings <stuart@apple.com>
3564 * rtl.h (UINTVAL) New.
3565 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3566 * testsuite/gcc.dg/20060801-1.c: New.
3568 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3571 * c-typeck.c (build_external_type): Mark used enum types.
3572 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3574 (gen_subprogram_die): Whitespace fix.
3576 2006-08-01 Jan Hubicka <jh@suse.cz>
3578 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3579 bitmap when not needed.
3580 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3583 2006-08-01 Dirk Mueller <dmueller@suse.de>
3585 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3587 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3589 * Makefile.in: Revert part of previous patch:
3590 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3593 2006-07-30 Eric Christopher <echristo@apple.com>
3596 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3597 (PowerPC Variable Attributes): New section.
3599 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3601 PR target/28126 (partial fix)
3602 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3604 2006-07-28 Jan Hubicka <jh@suse.cz>
3606 PR rtl-optimization/28071
3607 * cfgrtl.c (rtl_delete_block): Free regsets.
3608 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3610 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3612 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3613 and variables used in dependencies.
3615 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3617 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3618 %fs for -mcmodel=kernel.
3619 (stack_tls_protect_test_di): Likewise.
3621 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3623 * Makefile.in: Use mkinstalldirs.
3625 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3628 * opts-common.c (prune_options): Skip joined switches.
3630 2006-07-27 Jan Hubicka <jh@suse.cz>
3632 PR rtl-optimization/28071
3633 * cselib.c (cselib_process_insn): Don't remove useless values too
3634 often for very large hashtables.
3636 2006-07-27 Jan Hubicka <jh@suse.cz>
3638 PR rtl-optimization/28071
3639 * global.c (greg_obstack): New obstack.
3640 (allocate_bb_info): Use it.
3641 (free_bb_info): Likewise.
3642 (modify_reg_pav): Likewise.
3644 2006-07-27 Roger Sayle <roger@eyesopen.com>
3646 * builtins.c (fold_fixed_mathfn): When long and long long are the
3647 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3648 functions to their lceil*, lfloor*, lround* and lrint* forms.
3650 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3653 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3655 (rev_branch_insn): Likewise.
3657 2006-07-27 Jan Hubicka <jh@suse.cz>
3659 PR rtl-optimization/28071
3660 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3661 (reg_set_in_bb, max_reg_computed): New static variables.
3662 (regmove_optimize): Free the new array.
3663 (fixup_match_1): Update call of reg_is_remote_constant_p.
3665 2006-07-26 Jan Hubicka <jh@suse.cz>
3667 PR tree-optimization/27882
3668 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3670 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3672 (cgraph_analyze_compilation_unit): Likewise.
3673 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3674 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3675 (cgraph_early_inlinine): Make order garbage collected.
3676 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3678 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3680 * dbxout.c (output_types_sort): Add a comment.
3681 (output_used_types): Free the VEC.
3683 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3685 * function.c (reorder_fix_fragments): Delete.
3686 (reorder_blocks): Don't call it.
3687 (reorder_blocks_1): Put all subblocks under the origin block.
3689 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3691 PR rtl-optimization/27907
3692 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3695 2006-07-25 Roger Sayle <roger@eyesopen.com>
3698 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3699 bar(x) check that bar's result type can represent all the values of T.
3701 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3703 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3705 2006-07-25 Nick Clifton <nickc@redhat.com>
3707 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3708 size_lookup[] array.
3709 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3710 (ggc_pch_count_object): Likewise.
3711 (ggc_pch_alloc_object): Likewise.
3712 (ggc_pch_write_object): Likewise.
3713 (init_ggc): Do not attempt to initialize entries in the
3714 size_lookup[] array for objects whose size is greater than than
3715 the length of the array.
3717 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3719 * dbxout.c (output_used_types_helper): Push queued types
3721 (output_types_sort): New.
3722 (output_used_types): Collect used types on a VEC and sort them
3725 2006-07-24 Richard Guenther <rguenther@suse.de>
3728 * cgraph.c (cgraph_remove_node): Do not check if dumps
3730 * cgraphunit.c (cgraph_optimize): Likewise.
3732 2006-07-24 Jan Hubicka <jh@suse.cz>
3734 PR rtl-optimization/28071
3735 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3736 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3737 splitting before first stmt.
3739 2006-07-24 Jan Hubicka <jh@suse.cz>
3741 PR rtl-optimization/28071
3742 * ipa-inline.c (update_caller_keys): Remove edges that
3743 are no longer inline candidates.
3745 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3748 * dbxout.c (output_used_types_helper, output_used_types): New.
3749 (dbxout_symbol): Call output_used_types.
3751 2006-07-23 Jan Hubicka <jh@suse.cz>
3755 * cgraph.c (cgraph_varpool_nodes): Export.
3756 (decide_is_variable_needed): Ignored "used" attribute in
3757 unit-at-a-time mode.
3758 * cgraph.h (cgraph_varpool_nodes): Declare.
3759 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3760 unit-at-a-time mode.
3762 2006-07-23 Roger Sayle <roger@eyesopen.com>
3765 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3766 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3767 the __gthrw form of thr_keycreate.
3768 (__gthread_key_delete): Silence the unused argument warning.
3770 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3773 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3774 Cache the last found '\0' marker to avoid quadratic behavior.
3776 2006-07-23 Jan Hubicka <jh@suse.cz>
3778 * i386.md (subsi_3_zext): Fix output template.
3780 2006-07-21 Mike Stump <mrs@apple.com>
3782 * doc/invoke.texi (C++ Dialect Options): Note that
3783 -fvisibility-inlines-hidden doesn't affect explicitly
3784 instantiationed inline methods.
3786 2006-07-20 Roger Sayle <roger@eyesopen.com>
3788 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3789 if the target assembler is GNU binutils' gas.
3790 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3791 whether to pass GNU gas or native as command line options.
3793 2006-07-20 Jason Merrill <jason@redhat.com>
3795 * tree.c (remove_attribute): New fn.
3796 * tree.h: Declare it.
3798 2006-07-20 Paul Brook <paul@codesourcery.com>
3801 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3802 they are invalidated by this instruction.
3804 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3807 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3809 2006-07-20 Eric Christopher <echristo@apple.com>
3812 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3814 2006-07-19 Eric Christopher <echristo@apple.com>
3816 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3817 Rewrite dependencies for libgcc_s.1.dylib.
3819 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3821 * except.c (duplicate_eh_regions_1): Clear next_peer.
3823 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3825 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3826 -mlongcall does not guarantee all calls will be long.
3827 * doc/extend.texi (long_call/short_call): Document that longcall
3828 does not guarantee a long call will be used.
3829 (longcall/shortcall): Likewise.
3831 2006-07-18 Roger Sayle <roger@eyesopen.com>
3834 * expmed.c (expand_shift): Additionally check that the shift_cost
3835 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3836 before implementing a LSHIFT_EXPR as a sequence of additions.
3837 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3838 middle-end that DImode shifts need to be synthesized by expand.
3840 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3843 * tree-ssa-operands.c (access_can_touch_variable): Update
3845 Return true if ALIAS is .GLOBAL_VAR.
3847 2006-07-18 David Daney <ddaney@avtrex.com>
3849 * gcc.c (display_help): Fix typo in help text.
3851 2006-07-18 Olivier Hainque <hainque@adacore.com>
3853 * tree.h (categorize_ctor_elements): Adjust prototype and add
3854 descriptive comment, both in accordance with the interface change
3856 * varasm.c (constructor_static_from_elts_p): New function.
3857 Whether a constructor node is a valid static constant initializer
3858 if all its elements are.
3859 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3860 * output.h: Declare it.
3861 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3862 is a valid constant initializer instead of computing the number of
3863 non-constant elements. Use constructor_static_from_elts_p for this
3864 purpose. Replace the head comment with an indication that this is a
3865 helper for categorize_ctor_elements.
3866 (categorize_ctor_elements): Same interface change as for the _1
3867 helper. Former head comment from this helper moved here, adjusted to
3868 account for the interface changes.
3869 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3870 (all_zeros_p): Likewise.
3871 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3872 static versions of the constructor from the categorize_ctor_elements
3873 return value instead of the formerly computed number of non-constant
3876 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3878 * configure: Regenerate.
3879 * Makefile.in (build_libsubdir): New configure substitution
3880 (build_libobjdir): New variable.
3881 (BUILD_LIBIBERTY): Use it.
3883 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3886 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3888 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3891 * c-common.c (handle_weakref_attribute): Ignore attribute in
3892 the same conditions the alias attribute is ignored.
3894 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3896 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3897 (dbxout_begin_prologue): Increment scope_labelno.
3899 2006-07-17 Richard Henderson <rth@redhat.com>
3902 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3905 2006-07-17 Roger Sayle <roger@eyesopen.com>
3906 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3908 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3909 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3910 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3911 functions such as sbrk, write, etc.. Add function prototypes.
3912 Convert function declarations from K&R to ISO C. Cast pointers
3913 to "long" and "unsigned long" instead of "int" and "unsigned int".
3914 Convert tokens following #endif into comments.
3916 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3918 * invoke.texi: Remove mention of f77; Reformat table for
3919 inline parameter options correctly; mention that -malign-double
3920 is default on x86-64 targets.
3922 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3924 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3925 (convert_affine_scev, chrec_convert_aggressive): Use
3926 avoid_arithmetics_in_type_p. Do not check for the subtypes
3929 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3932 * optabs.c (expand_doubleword_shift): Wrap the call to
3933 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3935 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3938 * optabs.c (expand_binop): Pass next_methods rather than methods
3939 to expand_doubleword_shift.
3941 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3944 * tree.h (dump_addr): Declare.
3945 * print-tree.c (dump_addr): New function.
3946 (print_node_brief, print_node): Use it.
3947 * print-rtl.c (print_rtx): Likewise.
3948 * common.opt (-fdump-noaddr): New option.
3949 * doc/invoke.texi (-fdump-noaddr): Document.
3950 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3951 (ve_info_hash): Likewise.
3953 2006-07-13 Andrew Haley <aph@redhat.com>
3955 PR tree-optimization/19505
3956 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3957 edge leaving this block, make sure that the destination of this
3958 block has only one predecessor.
3960 2006-07-17 Richard Guenther <rguenther@suse.de>
3962 PR tree-optimization/28238
3963 * tree-inline.c (copy_bb): Check if we produced valid
3964 gimple copying and substituting a stmt. If not, gimplify
3967 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3969 * optabs.c (maybe_encapsulate_block): New function extracted from...
3970 (emit_libcall_block): ...here. Invoke it on the block of insns to
3971 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3972 (emit_no_conflict_block): Likewise.
3974 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3976 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3978 2006-07-15 Roger Sayle <roger@eyesopen.com>
3980 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3981 a new NOP_EXPR case of the switch statement.
3983 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3986 * stor-layout.c (place_field): Take the bit field with
3987 an excessive size into account in the ms-bitfiled case.
3990 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3991 the previous bit field.
3993 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3996 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3998 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4000 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4001 signal frames correctly even when the signal was installed with
4004 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4006 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4007 (dbxout_function_end): Use local label LFBB. Remove hook
4009 (dbxout_source_line): Use local label LFBB.
4010 (dbxout_block): Likewise.
4011 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4012 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4013 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4014 and DBX_OUTPUT_NFUN.
4016 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4018 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4020 2006-07-13 Jan Hubicka <jh@suse.cz>
4022 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4024 * output.h (align_variable): Declare.
4025 * varasm.c (align_variable): Export.
4026 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4027 when basic block changed.
4029 2006-07-13 Nick Clifton <nickc@redhat.com>
4031 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4032 walking the LOG_LINKS chain.
4034 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4036 * doc/invoke.texi (C++ Dialect Options): Explain difference
4037 between -fvisibility-inlines-hidden and setting hidden
4038 visibility explicitly.
4040 2006-07-12 Eric Christopher <echristo@apple.com>
4042 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4043 (stmp-lipo): Depend on libgcc.a.
4045 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4047 * tree.c: Fix a comment typo.
4049 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4051 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4053 (umulhisi3_r): Likewise.
4055 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4058 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4059 x < 19, vs wchar_t support.
4061 2006-07-12 Nick Clifton <nickc@redhat.com>
4063 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4064 instead of -isa=sh4.
4066 2006-07-12 Mike Stump <mrs@apple.com>
4068 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4070 2006-07-10 Eric Christopher <echristo@apple.com>
4072 * config/t-slibgcc-darwin: Rewrite.
4074 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4077 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4080 2006-07-08 Matthias Klose <doko@debian.org>
4082 * doc/sourcebuild.texi: Fix typo.
4084 2006-07-07 Mike Stump <mrs@apple.com>
4086 * toplev.c (process_options): Don't give -ffunction-sections may
4087 affect debugging warning for Mach-O.
4089 2006-07-07 James E Wilson <wilson@specifix.com>
4091 * config/mips/mips.md (cpu): Add sb1a.
4092 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4093 addition to sb1. Adjust comments to clarify SB-1A differences from
4095 (ir_sb1a_load): New. Modify bypasses to use it.
4096 (ir_sb1a_simple_alu): Likewise.
4097 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4098 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4099 (mips_issue_rate): Add PROCESSOR_SB1A.
4100 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4101 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4102 (TARGET_SB1): Add PROCESSOR_SB1A check.
4103 (TUNE_SB1): Likewise.
4105 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4106 * config/mips/mips.c (mips_store_data_bypass_p): New.
4107 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4108 store_data_bypass_p.
4110 2006-07-08 Paul Brook <paul@codesourcery.com>
4113 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4115 2006-07-07 Richard Guenther <rguenther@suse.de>
4118 * tree.h (build_one_cst): Declare.
4119 * tree.c (build_one_cst): New function.
4120 * tree-ssa-math-opts.c (get_constant_one): Remove.
4121 (insert_reciprocals): Use build_one_cst.
4122 * fold-const.c (fold_plusminus_mult): Likewise.
4124 2006-07-07 Roger Sayle <roger@eyesopen.com>
4126 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4127 * cfgloopanal.c (dump_graph): Likewise.
4128 * dojump.c (discard_pending_stack_adjust): Likewise.
4129 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4131 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4132 * function.c (finalize_block_changes): Likewise.
4133 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4134 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4135 * rtl.c (dump_rtx_statistics): Likewise.
4136 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4138 * varray.c (dump_varray_statistics): Likewise.
4139 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4140 decode_decimal64, encode_decimal128, decode_decimal128,
4141 decimal_real_to_decimal): Likewise.
4143 2006-07-07 Richard Guenther <rguenther@suse.de>
4145 PR tree-optimization/28187
4146 * tree-vrp.c (vrp_operand_equal_p): New function.
4147 (vrp_bitmap_equal_p): Likewise.
4148 (update_value_range): Use them to compare old and new
4151 2006-07-06 Roger Sayle <roger@eyesopen.com>
4153 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4154 a default case to switch statement to silence compiler warnings.
4156 2006-07-06 Roger Sayle <roger@eyesopen.com>
4159 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4160 the configured assembler supports the x87's ffreep mnemonic.
4161 * configure: Regenerate.
4162 * config.in: Regenerate.
4164 * config/i386/i386.c (output_387_ffreep): New function.
4165 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4166 (output_387_reg_move): Likewise.
4168 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4170 Port to hosts whose 'sort' and 'tail' implementations
4171 treat operands with leading '+' as file names, as POSIX
4172 has required since 2001. However, make sure the code still
4173 works on pre-POSIX hosts.
4174 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4175 which says you should use "tail -c +N" rather than "tail +Nc".
4176 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4178 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4180 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4183 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4186 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4187 PRE_{INC,DEC} of TFmode.
4189 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4190 Alan Modra <amodra@bigpond.net.au>
4193 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4196 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4199 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4200 Remove duplicate gtu.
4202 2006-07-05 Jason Merrill <jason@redhat.com>
4206 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4207 * c-common.c (handle_packed_attribute): So don't copy it here.
4208 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4210 2006-07-05 Mike Stump <mrs@apple.com>
4212 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4214 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4217 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4219 2006-07-05 Richard Guenther <rguenther@suse.de>
4222 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4223 TARGET_SSE2 targets if using SSE math.
4224 (*absdf2_1): Likewise.
4226 2006-07-05 Richard Guenther <rguenther@suse.de>
4228 PR tree-optimization/28162
4229 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4230 make sure to convert the operands to the correct type.
4232 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4234 PR tree-optimization/28218
4236 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4237 to calculate and free the dominator information.
4239 2006-07-04 Peter O'Gorman <peter@pogma.com>
4241 * mklibgcc.in: chmod 644 before ranlib during install.
4243 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4244 J"orn Rennecke <joern.rennecke@st.com>
4246 * configure.ac (.eh_frame data check): Use diff -b.
4248 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4251 * Makefile.in (BUILD_RTL): Add build/vec.o.
4252 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4253 (build/genextract): Delete.
4254 (build/genautomata): Likewise.
4256 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4259 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4260 128-bit IBM long doubles for ABI_V4.
4262 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4264 * tree.c (range_in_array_bounds_p): New predicate.
4265 * tree.h (range_in_array_bounds_p): Declare it.
4266 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4267 return a less conservative answer.
4268 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4269 and flag 'is_group'.
4270 (IS_ELEMENT_FOR_GROUP): New macro.
4271 (FOR_EACH_ACTUAL_CHILD): Likewise.
4272 (next_child_for_group): New helper function.
4273 (can_completely_scalarize_p): Take into account groups.
4274 (sra_hash_tree): Handle RANGE_EXPR.
4275 (sra_elt_eq): Likewise.
4276 (lookup_element): Be prepared for handling groups.
4277 (is_valid_const_index): Delete.
4278 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4279 instead of is_valid_const_index.
4280 <ARRAY_RANGE_REF>: New case.
4281 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4282 is_valid_const_index.
4283 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4284 (scan_dump): Dump info for groups too.
4285 (decide_instantiation_1): Likewise.
4286 (decide_block_copy): Assert that the element is not a group.
4287 Propagate decision to groups.
4288 (generate_one_element_ref): Handle RANGE_EXPR.
4289 (mark_no_warning): Iterate over actual childs.
4290 (generate_copy_inout): Likewise.
4291 (generate_element_copy): Likewise.
4292 (generate_element_zero): Likewise.
4293 (generate_element_init_1): Likewise.
4294 (dump_sra_elt_name): Handle RANGE_EXPR.
4296 2006-07-03 Roger Sayle <roger@eyesopen.com>
4298 PR tree-optimization/26251
4299 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4300 (thread_block): When optimizing for size refuse to thread jumps
4301 that would require duplication of blocks other than redirection
4304 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4306 * configure.ac: Fix thinko in previous check-in.
4307 * configure: Regenerate.
4309 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4312 * configure.ac (for lang...): Simplify nesting of conditionals.
4313 Test subdir_requires for non-enabled languages. Move processing
4314 of lang_opt_files and lang_tree_fiels below that test.
4315 * configure: Regenerate.
4316 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4318 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4320 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4322 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4324 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4327 2006-06-29 Jason Merrill <jason@redhat.com>
4334 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4335 * c-common.c (c_determine_visibility): Handle it here.
4336 * c-decl.c (finish_decl): Call c_determine_visibility for
4338 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4340 * varasm.c (default_assemble_visibility): Likewise.
4341 * c-common.c (handle_visibility_attribute): Complain about trying
4342 to give visibility to an already defined class, or trying to change
4343 declared visibility. Always attach the attribute.
4348 * attribs.c (decl_attributes): Ignore type-in-place attributes
4349 once the type has been defined.
4351 2006-06-29 Roger Sayle <roger@eyesopen.com>
4354 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4355 to indicate the cpplib has issued an error message for us.
4357 2006-06-29 Asher Langton <langton2@llnl.gov>
4360 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4361 insert a label at the end of an function under Mach-O.
4363 2006-06-29 Eric Christopher <echristo@apple.com>
4364 Evan Cheng <evan.cheng@apple.com>
4366 * predicates.md (vector_all_ones_operand): New.
4367 (nonimmediate_or_sse_const_operand): Ditto.
4368 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4369 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4370 (standard_sse_mode_p): Ditto.
4371 (standard_sse_constant_p): Add case for -1 vector.
4372 (ix86_expand_vector_move): Try to use.
4373 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4374 Call standard_sse_constant_opcode.
4375 (*movv4sf_internal): Ditto.
4376 (*movv2df_internal): Ditto.
4378 2006-06-29 Roger Sayle <roger@eyesopen.com>
4380 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4381 of XEXP to extract the operands of a MATCH_CODE rtx.
4383 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4385 * tree.c (tree_size): Do not waste tail padding in
4386 struct tree_string and make the size be the same as
4387 build_string will generate.
4389 2006-06-28 Jason Merrill <jason@redhat.com>
4392 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4393 may_aliases already in the tag's annotations to the bitmap.
4395 2006-06-28 Roger Sayle <roger@eyesopen.com>
4397 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4399 2006-06-28 Roger Sayle <roger@eyesopen.com>
4401 * genpreds.c (generate_switch_p): New function.
4402 (add_mode_tests): Push the new mode test down inside an AND expr
4403 if this allows the switch-suitable MATCH_CODE to be near the root.
4404 (write_match_code_switch): New function to write a MATCH_CODE as
4406 (write_predicate_stmts): New function to write a predicate RTX
4407 expression as a sequence of statements.
4408 (write_one_predicate_function): Use write_predicate_stmts.
4409 (write_tm_constrs_h): Likewise.
4411 2006-06-26 Fred Fish <fnf@specifix.com>
4413 * config/mips/t-sb1: New file.
4414 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4417 2006-06-26 DJ Delorie <dj@redhat.com>
4419 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4421 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4422 Jayant Sonar <jayants@kpitcummins.com>
4423 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4425 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4426 (subsi3, subsi3_1, subsi3_2): New.
4427 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4428 * config/m32c/mov.md (SI mov peephole): New.
4429 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4430 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4432 2006-06-26 Olivier Hainque <hainque@adacore.com>
4434 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4435 a CALL_EXPR target function declaration.
4437 2006-06-26 Richard Guenther <rguenther@suse.de>
4439 * tree.c (build_string): Do not waste tail padding in
4442 2006-06-26 Richard Guenther <rguenther@suse.de>
4444 * ggc-page.c (init_ggc): Add missing element to size_lookup
4448 2006-06-23 Richard Guenther <rguenther@suse.de>
4450 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4451 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4452 alignment requests instead. Add verification code.
4453 Add struct tree_function_decl and struct tree_binfo size to
4454 extra_order_size_table. Add missing element to size_lookup
4457 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4460 * fold-const.c (const_binop): Be prepared for self returning zero.
4461 Simplify code handling complex values.
4463 2006-06-24 Olivier Hainque <hainque@adacore.com>
4465 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4466 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4469 2006-06-24 Olivier Hainque <hainque@adacore.com>
4471 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4472 ARRAY_REF, so have the callback called for the low bound expression.
4474 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4476 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4477 * c-typeck.c (c_common_type): Disallow operations on decimal float
4478 types and other float types.
4479 * convert.c (convert_to_real): Don't ignore conversions involving
4480 decimal float types.
4482 2006-06-23 Olivier Hainque <hainque@adacore.com>
4484 * tree.c (max_int_size_in_bytes): New function, inspired from
4485 code in function.c:assign_temp.
4486 * tree.h (max_int_size_in_bytes): Declare.
4487 * function.c (assign_temp): Use it.
4488 * gimplify.c (create_tmp_var): Relax the assertions on the type
4489 properties, not mandating constant size any more.
4490 (force_constant_size): New static function.
4491 (gimple_add_tmp_var): Use it, forcing variable size to a
4492 constant upper bound if it is not constant on entry.
4494 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4497 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4498 for initialization and setting of one_only flag to ...
4499 (i386_pe_encode_section_info): ...here.
4500 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4501 Recheck that the symbol has not been defined.
4503 2006-06-23 Richard Guenther <rguenther@suse.de>
4505 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4506 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4507 alignment requests instead. Add verification code.
4508 Add struct tree_function_decl and struct tree_binfo size to
4509 extra_order_size_table. Add missing element to size_lookup
4512 2006-06-22 Roger Sayle <roger@eyesopen.com>
4513 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4516 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4517 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4519 2006-06-23 Ben Elliston <bje@au.ibm.com>
4521 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4522 negate dn -- manipulate it directly.
4524 2006-06-22 Roger Sayle <roger@eyesopen.com>
4525 Steven Bosscher <stevenb.gcc@gmail.com>
4528 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4529 generated by gen_move_insn to add REG_LABEL notes if necessary.
4531 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4533 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4534 (leaf_entry): Remove use of MIN_ESA.
4536 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4538 PR rtl-optimization/28121
4539 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4542 2006-06-21 DJ Delorie <dj@redhat.com>
4544 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4546 (mulhisi3_r): Likewise.
4548 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4551 * coverage.c (coverage_counter_alloc): Leave the index type
4553 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4556 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4558 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4559 section from the "Options for Code Generation Conventions".
4561 2006-06-21 Richard Henderson <rth@redhat.com>
4565 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4567 (global_symbolic_operand): Allow weak symbols, even if local_p.
4569 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4571 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4572 (find_interesting_uses_address): Punt if above function returns true.
4574 2006-06-21 Richard Guenther <rguenther@suse.de>
4576 * configure: Regenerated.
4578 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4580 * config/mips/mips.c (function_arg): Where one part of a
4581 complex argument is in registers and the other part in the stack,
4582 return a REG not a PARALLEL.
4584 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4586 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4587 when cross-compiling. Do not substitute libstdcxx_incdir.
4588 * configure: Regenerated.
4590 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4592 * varasm.c (mergeable_string_section): Check for embedded NULs and
4593 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4594 rather than TREE_STRING_LENGTH bytes.
4596 2006-06-21 Richard Guenther <rguenther@suse.de>
4598 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4599 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4602 2006-06-21 Richrad Guenther <rguenther@suse.de>
4604 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4605 Limit iteration over the dominators.
4607 2006-06-20 Roger Sayle <roger@eyesopen.com>
4609 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4610 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4612 2006-06-20 Richard Guenther <rguenther@suse.de>
4613 Michael Matz <matz@suse.de>
4615 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4617 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4618 * et-forest.h (et_free_pools): Prototype new function.
4619 * et-forest.c (et_free_tree_force): Free parent occurrence.
4620 (et_free_pools): New function.
4621 * dominance.c (free_dominance_info): Free et-forest alloc
4624 2006-06-20 Roger Sayle <roger@eyesopen.com>
4626 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4627 integer modes, attempt to directly construct an integer constant.
4629 * fold-const.c (native_encode_vector): Determine the size of each
4630 element from the vector type instead of the first vector element.
4632 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4633 if all of its elements/components are constant.
4634 (build_constructor_from_list): Likewise.
4636 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4638 PR tree-optimization/27331
4639 * tree-data-ref.c (free_data_ref): New function.
4640 (create_data_ref): Fail if the data reference has unknown access
4642 (free_data_refs): Use free_data_ref.
4644 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4647 * tree-inline.c (setup_one_parameter): Strip useless
4648 type conversion before adding it to the IR.
4649 (declare_return_variable): Likewise.
4651 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4654 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4656 2006-06-19 Mike Stump <mrs@apple.com>
4658 * tree.c (variably_modified_type_p): VM arguments don't make the
4661 2006-06-19 Richard Guenther <rguenther@suse.de>
4663 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4664 type conversions after folding.
4666 2006-06-19 Richard Guenther <rguenther@suse.de>
4668 * ggc-page.c (extra_order_size_tab): Add entries with
4669 size of struct function and basic_block.
4670 (size_lookup): Extend to cover sizes up to 511.
4671 (ggc_alloc_stat): Adjust user.
4672 (ggc_pch_count_object): Likewise.
4673 (ggc_pch_alloc_object): Likewise.
4674 (ggc_pch_write_object): Likewise.
4676 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4678 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4679 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4682 2006-06-19 Denis Chertykov <denisc@overta.ru>
4684 * config/avr/libgcc.S : Correct my wrong previous commit.
4686 2006-06-19 Roger Sayle <roger@eyesopen.com>
4689 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4690 have stripped a SUBREG from the shift count, so we may need to
4691 convert_to_mode back to the type's mode before calling make_tree.
4692 Use new_amount instead of amount to avoid expanding a tree twice.
4694 2006-06-19 Richard Guenther <rguenther@suse.de>
4697 * fold-const.c (operand_equal_p): Check if the argument types
4698 have the same precision before stripping NOPs.
4700 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4702 Fix PR tree-optimization/27341
4703 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4705 * tree-complex.c (pass_lower_complex): Update SMT usage.
4707 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4709 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4710 Add a new alternative to the constraint strings. Add move of
4711 operand 1 to 3 to the splitter definition.
4712 ("doloop_si_long"): Second contraint alternative removed.
4714 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4716 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4717 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4719 (AVR_HAVE_MOVW) Define.
4720 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4721 (ASM_SPEC): Add avr25.
4722 (LINK_SPEC): Add avr25.
4723 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4724 (base_arch_s): Add new member 'have_movw_lpmx'.
4725 (avr_arch_types): Init 'have_movw_lpmx'.
4726 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4727 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4728 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4729 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4730 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4732 (avr_file_start): Do not output '.arh' derective.
4733 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4734 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4735 * config/avr/avr.md (mcu_enhanced): Delete.
4736 (mcu_have_movw): Define.
4737 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4738 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4739 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4740 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4741 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4742 attiny861 and at86rf401 devices.
4744 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4746 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4749 2006-06-17 Karl Berry <karl@gnu.org>
4751 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4752 doc/gccint.texi, doc/install.texi (@dircategory): Use
4753 "Software development" instead of "Programming", following
4754 the Free Software Directory.
4756 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4758 * config/i386/i386.c (legitimate_tls_address)
4759 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4760 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4761 (*tls_dynamic_gnu2_combine_64): Likewise.
4763 2006-06-16 Richard Guenther <rguenther@suse.de>
4766 * fold-const.c (negate_expr_p): Do not introduce undefined
4767 overflow in negating INTEGER_CSTs.
4768 (fold_negate_expr): Rename from negate_expr. Revert last
4769 change for folding BIT_NOT_EXPR. Change semantics to
4770 return NULL_TREE for non-simplified negations. Do not
4771 strip type conversions and unify type handling.
4772 (negate_expr): New function, wrap around fold_negate_expr
4773 but ensure building a tree always. Strip type conversions
4774 here, fold to result type.
4775 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4777 2006-06-16 Roger Sayle <roger@eyesopen.com>
4780 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4781 that (would) return their results in stack registers.
4783 2006-06-16 Michael Matz <matz@suse.de>
4784 Richard Guenther <rguenther@suse.de>
4786 * fold-const.c (fold_truthop): Only return new tree node if
4787 we canonicalized something.
4789 2006-06-16 Richard Guenther <rguenther@suse.de>
4791 * function.h (enum function_frequency): Move declaration
4792 out of struct function.
4793 (struct function): Move bool fields and the enum to the bitfield
4794 section. Reorder elements to avoid padding. Remove unused
4795 fields left over from the RTL inliner removal.
4796 * function.c (free_after_compilation): Do not zero removed fields.
4797 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4798 (ipa-type-escape.o): Likewise.
4800 2006-06-16 Richard Guenther <rguenther@suse.de>
4802 * cgraph.h (struct cgraph_local_info): Turn bool elements
4804 (struct cgraph_node): Likewise.
4805 (struct cgraph_varpool_node): Likewise.
4807 2006-06-15 Richard Guenther <rguenther@suse.de>
4809 * fold-const.c (fold_truth_not_expr): Rename from
4810 invert_truthvalue. Give it fold_* semantics to avoid
4812 (invert_truthvalue): New function. Wrapper around
4813 fold_truth_not_expr.
4814 (optimize_minmax_comparison): Avoid creating garbage.
4815 (fold_unary): Use fold_truth_not_expr for folding
4817 (fold_ternary): Replace uses of invert_truthvalue with
4818 fold_truth_not_expr where applicable.
4819 * tree.h (fold_truth_not_expr): Prototype.
4821 2006-06-16 Richard Guenther <rguenther@suse.de>
4823 PR tree-optimization/27781
4824 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4825 * ipa-pure-const.c (target.h): Include.
4826 (analyze_function): Do not analyze functions that do not
4829 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4832 * tree-dfa.c (referenced_vars_dup_list): Remove.
4833 (find_referenced_vars): Remove assert.
4834 (referenced_var_check_and_insert): Replace dup list with assert.
4835 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4836 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4838 2006-06-15 Richard Guenther <rguenther@suse.de>
4840 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4841 extra unused identifiers if not dumping.
4842 (create_variable_info_for): Likewise.
4844 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4846 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4847 (derive_constant_upper_bound): Derive more precise upper bound in
4848 common cases. Return type changed to double_int.
4849 (record_estimate): Reflect the changed return type of
4850 derive_constant_upper_bound.
4851 * double-int.c (double_int_zext, double_int_sext): Fix.
4853 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4855 * configure.ac (CFLAGS): Get them from the toplevel or from the
4856 configure invocation.
4857 * configure: Regenerate.
4858 * Makefile.in (CFLAGS): Substitute value provided by configure.
4860 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4863 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4864 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4865 rather than calling add_stmt on it.
4866 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4868 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4871 * reload1.c (reload): Remove registers returned by update_eliminables
4872 from used_spill_regs.
4874 2006-06-13 DJ Delorie <dj@redhat.com>
4876 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4878 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4880 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4881 html__strip_dir, html__mkdir_p. Enhance install-html target.
4882 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4883 * configure: Regenerate.
4885 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4887 * fold-const.c (fold_cond_expr_with_comparison): Check for
4888 Objective-C++ as language in deciding COND_EXPR transformation.
4890 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4893 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4894 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4895 * config/sh/lib1funcs.h (SL, SL1): Define.
4896 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4897 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4898 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4899 (OBJS_Os_4_200): New variable.
4900 ($(T)libgcc-Os-4-200.a): Use it.
4901 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4902 when dividing 1 and/or by 0.
4904 2006-06-13 Roger Sayle <roger@eyesopen.com>
4906 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4907 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4908 * configure: Regenerate.
4910 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4912 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4913 for real instruction.
4915 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4918 * haifa-sched.c (check_cfg): Handle special case.
4920 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4923 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4924 Add debug_info parameter. Chain the vars to the BLOCK instead
4925 of the BIND_EXPR if debug info are requested for them.
4926 (pop_gimplify_context): Adjust for above change.
4927 (gimple_add_tmp_var): Likewise.
4928 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4930 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4931 (convert_local_reference): Likewise.
4932 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4933 (finalize_nesting_tree_1): Request that debug info be emitted
4934 for debug_var_chain.
4936 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4938 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4939 for PR target/27863.
4941 2006-06-13 Richard Guenther <rguenther@suse.de>
4944 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4946 2006-06-13 Richard Guenther <rguenther@suse.de>
4948 PR tree-optimization/27830
4949 * tree-inline.c (copy_body_r): For copying the operand
4950 of an ADDR_EXPR make sure to fold &* afterwards.
4952 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4954 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4955 lvalues in the fb_none case with side-effects.
4957 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4959 * tree-flow.h: Remove the prototype for
4960 compute_phi_arg_on_exit.
4961 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4962 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4965 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4967 * builtins.c (expand_builtin_return_addr): Only use
4968 frame_pointer_rtx when count == 0 and we are expanding
4969 __builtin_return_address.
4971 2006-06-12 Fred Fish <fnf@specifix.com>
4973 * config/mips/mips.c (mips_file_start): Create special section
4974 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4976 2006-06-11 Eric Christopher <echristo@apple.com>
4979 * stor-layout.c (place_field): Remove check for
4980 remaining_in_alignment when aligning at the end of a run.
4982 2006-06-11 Eric Christopher <echristo@apple.com>
4985 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4988 2006-06-11 Roger Sayle <roger@eyesopen.com>
4991 Revert incorrect fix for PR target/27158
4992 2006-05-08 Roger Sayle <roger@eyesopen.com>
4993 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4994 of a reg_equiv_constant if the result is a legitimate constant.
4996 2006-06-11 Roger Sayle <roger@eyesopen.com>
4999 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5000 extract a CONST_VECTOR element and interpret it as an integer.
5001 (vspltis_constant): Use const_vector_elt_as_int instead of the
5002 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5003 * config/rs6000/predicates.md (easy_vector_const): Consider
5004 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5006 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5009 * stor-layout.c (update_alignment_for_field): Don't add extra
5010 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5013 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5015 * config/mips/t-rtems: Add EL/EB multilib variants.
5017 2006-06-09 Mike Stump <mrs@apple.com>
5019 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5021 2006-06-09 David Daney <ddaney@avtrex.com>
5023 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5025 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5027 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5029 2006-06-09 Richard Guenther <rguenther@suse.de>
5031 PR tree-optimization/26998
5032 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5033 of signed types, only TYPE_MIN_VALUE is special, but for both,
5034 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5035 in this case, as is -fwrapv.
5037 2006-06-08 Mike Stump <mrs@apple.com>
5040 * config/darwin.c (darwin_asm_output_anchor): Disable
5041 -fsection-anchors on darwin for now.
5042 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5043 * rs6000/rs6000.c (optimization_options): Likewise.
5045 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5048 * config/i386/i386.c (classify_argument): Skip fields with invalid
5051 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5053 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5054 (cse_insn): Likewise for the stack_pointer_rtx.
5056 2006-06-08 Roger Sayle <roger@eyesopen.com>
5058 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5059 conditions from floating point comparisons.
5061 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5064 * expmed.c (struct alg_hash_entry): Fix type of field T
5065 to match synth_mult argument.
5066 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5068 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5071 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5074 2006-06-08 Richard Guenther <rguenther@suse.de>
5077 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5078 only, if overflow is defined and not trapping.
5079 (negate_expr): Likewise.
5081 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5083 PR tree-optimization/27872
5084 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5085 flag on the new exit edge of the unrolled loop.
5087 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5089 PR rtl-optimization/26449
5090 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5092 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5095 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5096 referenced_variables with matching DECL_UID's.
5097 (find_referenced_vars): Make sure duplicate list is empty to start.
5098 (referenced_var_p): Remove.
5099 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5100 Check if var is in the list, and add if needed. Update the duplicate
5101 list if a different var is in the list with the same DECL_UID.
5102 (add_referenced_var): Call routine to check and insert.
5103 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5104 * tree-flow.h (referenced_vars_dup_list): External declaration.
5106 2006-06-07 Fred Fish <fnf@specifix.com>
5108 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5111 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5114 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5115 the imaginary and real parts of a clobbered register.
5116 Emit insn to set the imaginary part.
5118 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5120 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5121 in lieu of unwind-dw2-fde.c.
5123 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5125 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5127 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5130 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5131 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5132 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5133 V4SImode temporaries and operations instead.
5135 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5137 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5140 2006-06-06 Mike Stump <mrs@apple.com>
5142 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5143 installing during build.
5145 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5147 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5149 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5150 * config/ia64/ia64.c (params.h): New header.
5151 (ia64_optimization_options): New function to adjust parameters.
5152 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5153 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5154 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5156 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5158 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5160 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5163 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5165 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5166 Victor Kaplansky <victork@il.ibm.com>
5168 PR tree-optimization/26360
5169 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5172 2006-06-04 Roger Sayle <roger@eyesopen.com>
5173 Andrew Pinski <pinskia@physics.uc.edu>
5176 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5177 for LABEL_DECL before calling DECL_WEAK.
5180 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5181 LABEL_DECL and PARM_DECL.
5183 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5187 * c-decl.c (grokdeclarator): Disallow variably modified types at
5188 file scope. Avoid marking shared array type of constant size as
5191 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5194 * c-common.c (fold_offsetof_1): Handle static members.
5196 2006-06-04 Eric Christopher <echristo@apple.com>
5198 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5199 (debug_rli): Output value for remaining_in_alignment.
5200 (update_alignment_for_field): Unconditionalize
5201 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5202 extra alignment code.
5203 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5204 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5205 * tree.h (record_layout_info_s): Remove prev_packed.
5206 * doc/extend.texi (ms_struct): Add documentation of format.
5208 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5210 * tree.h: Declare folding_initializer.
5211 * builtins.c (fold_builtin_constant_p): Give definite answer
5212 if folding inside an initializer.
5213 * fold-const.c: Define folding_initializer.
5214 (START_FOLD_INIT): Save and then set folding_initializer.
5215 (END_FOLD_INIT): Restore folding_initializer.
5217 2006-06-04 Richard Guenther <rguenther@suse.de>
5219 PR tree-optimization/27039
5220 * fold-const.c (fold_comparison): Handle pointer comparison
5221 again for all comparison codes. Compare offsets in signed
5223 (fold_binary): Move code from here.
5225 2006-06-03 Roger Sayle <roger@eyesopen.com>
5228 * config/i386/i386.c (construct_container): Split static issued_error
5229 flag into issued_sse_arg_error, issued_sse_ret_error and
5230 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5231 requires the use of x87 registers and the user explicitly
5232 specified the -mno-80387 command line option.
5234 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5236 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5237 HAVE_DECL_SIGALTSTACK.
5239 (segv_handler): Use MC_FLD.
5240 * configure.ac: Check for a sigaltstack declaration.
5241 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5242 * configure: Regenerate.
5243 * config.in: Regenerate.
5245 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5248 * Makefile.in (stmp-fixinc): Fix typo.
5250 2006-06-02 Roger Sayle <roger@eyesopen.com>
5252 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5253 are type correct. Clean-up.
5254 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5255 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5257 2006-06-01 DJ Delorie <dj@redhat.com>
5259 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5260 shift, as we've disabled the "switch" insn that needs it.
5262 2006-06-01 Per Bothner <bothner@bothner.com>
5264 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5265 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5266 * c-ppoutput.c (cb_define): Don't increment line 0.
5268 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5270 * doc/invoke.texi: Add cpu_type power6.
5271 * config.gcc: Add cpu_type power6.
5272 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5273 to power5+ with Altivec.
5274 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5275 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5277 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5279 * config/avr/avr.h (SET_ASM_OP): Define.
5281 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5283 * config/bfin/bfin.c: Fix comment typos.
5285 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5288 * doc/install.texi: Document --enable-bootstrap and
5289 --disable-bootstrap.
5291 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5293 * doc/install.texi: Document that InfoZIP can replace jar.
5295 2006-05-31 Roger Sayle <roger@eyesopen.com>
5297 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5298 isn't available, directly generate the simpler x87 patterns without
5299 the (use (const_int 0)).
5300 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5301 implementation isn't available.
5302 (*negdf2_1): Likewise.
5303 (*negxf2_1): XF mode negation is always done using the x87.
5304 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5306 2006-05-31 Roger Sayle <roger@eyesopen.com>
5308 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5309 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5311 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5313 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5315 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5316 * config/bfin/bfin.c (basic-block.h): Include.
5317 (struct machine_function): New.
5318 (bfin_init_machine_status): New.
5319 (override_options): Initialize init_machine_status.
5320 (bfin_hardware_loop): New.
5321 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5322 (DEF_VEC_P (loop_info)): New.
5323 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5324 (struct loop_info): New.
5325 (loop_info): New typedef.
5326 (struct loop_work): New.
5327 (loop_work): New typedef.
5328 (DEF_VEC_O (loop_work)): New.
5329 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5330 (bfin_dump_loops): New.
5331 (bfin_bb_in_loop): New.
5332 (bfin_scan_loop): New.
5333 (bfin_optimize_loop): New.
5334 (bfin_reorg_loops): New.
5335 (bfin_reorg): Use bfin_reorg_loops.
5336 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5338 (I_REGNO_P): Simplify.
5339 (DP_REGNO_P, DPREG_P): New macros.
5340 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5341 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5342 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5343 Add LT_REGS, LC_REGS, LB_REGS.
5344 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5346 (REGNO_REG_CLASS): Deal with loop registers.
5347 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5349 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5350 New constants for loop registers.
5351 (UNSPEC_LSETUP_END): New.
5352 (seq_insns): New define_attr. Set it for appropriate insns.
5353 (movsi_insn): Add alternatives for move from/to
5354 loop count registers.
5355 (doloop_end): New define_expand.
5356 (loop_end): New define_insn.
5357 (define_split for bad doloop_end): New.
5358 (lsetup_with_autoinit): New define_insn.
5359 (lsetup_without_autoinit): New define_insn.
5360 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5361 * config/bfin/predicates.md (lc_register_operand): New.
5362 (lt_register_operand): New.
5363 (lb_register_operand): New.
5364 (nondp_register_operand): New.
5365 (nondp_reg_or_memory_operand): New.
5366 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5368 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5370 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5371 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5373 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5375 * Makefile.in (CATALOGS): Add po/ prefix.
5376 * configure: Regenerated.
5378 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5381 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5382 a shift operand before calling shift_op. Avoid redundant call of
5385 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5386 DJ Delorie <dj@redhat.com>
5388 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5389 we're inserting is a singlt-bit constant.
5391 2006-05-30 Roger Sayle <roger@eyesopen.com>
5393 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5394 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5396 2006-05-30 Roger Sayle <roger@eyesopen.com>
5398 PR tree-optimization/23452
5399 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5400 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5401 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5402 complex values and with -ffast-math for FP complex values.
5404 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5406 * c-common.h: Remove the prototype for yyparse.
5407 * rtl.h: Remove the prototype for init_loop.
5409 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5411 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5414 2006-05-30 Roger Sayle <roger@eyesopen.com>
5416 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5418 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5419 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5421 2006-05-30 Dirk Mueller <dmueller@suse.de>
5424 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5425 for CONSTANT_CLASS_P expresisons.
5427 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5430 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5432 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5434 PR tree-optimization/27779
5435 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5436 initial_condition instead of CHREC_LEFT.
5438 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5440 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5441 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5442 Make prototypes ISO C90.
5444 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5445 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5447 * see.c (see_analyze_one_def): Correct check.
5448 (see_get_extension_data): Check if extension is parallel.
5449 (see_get_extension_reg): Likewise.
5451 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5454 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5455 into register for (code == GTU).
5457 2006-05-29 Roger Sayle <roger@eyesopen.com>
5459 PR tree-optimization/24964
5460 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5461 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5462 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5463 abs(x)*abs(x) as x*x for scalar floating point modes.
5465 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5468 * lambda-code.c (perfect_nestify): Don't copy statements
5469 in the inner loop: move them to the inner loop header.
5471 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5474 * c-tree.texi: Document OpenMP directives and clauses.
5476 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5478 * varasm.c (globalize_decl): Fix indentation.
5480 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5483 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5484 pass_fre, pass_store_ccp, pass_copy_prop,
5485 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5486 pass_return_slot, pass_object_size, pass_lim,
5487 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5488 pass_loop_prefetch and pass_stdarg.
5490 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5492 * config/bfin/bfin.opt (mfdpic): New option.
5493 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5494 (EXTRA_MULTILIB_PARTS): Likewise.
5495 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5496 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5498 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5499 (CRT_CALL_STATIC_FUNCTION): New.
5500 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5502 (CRT_CALL_STATIC_FUNCTION): New.
5503 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5505 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5506 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5507 (initialize_trampoline): Changed to handle FD-PIC code generation.
5508 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5509 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5510 (override_options): Disallow -mid-shared-library -mfdpic combination.
5511 Can't do unaligned ops if FD-PIC.
5512 Turn off flag_pic if trying to generate non-id-shared-library
5513 non-fdpic code, since it's not supported.
5514 (bfin_assemble_integer): New function.
5515 (TARGET_ASM_INTEGER): Define.
5516 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5518 * config/bfin/crtn.s: Restore them.
5519 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5521 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5522 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5523 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5524 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5525 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5527 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5528 FDPIC_REGS and FDPIC_FPTR_REGS.
5529 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5530 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5531 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5532 (load_funcdescsi): New pattern.
5533 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5534 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5535 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5537 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5539 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5542 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5544 * tree-flow.h: Remove the prototype for add_type_alias.
5545 * tree-ssa-alias.c (add_type_alias): Remove.
5547 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5549 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5550 config/fr30/fr30.md, config/i386/i386-interix.h,
5551 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5552 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5553 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5554 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5555 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5556 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5557 Follow spelling conventions.
5558 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5559 Follow spelling conventions.
5561 2006-05-27 Richard Guenther <rguenther@suse.de>
5564 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5565 to produce a constant of value 1 of generic type.
5567 2006-05-27 Dirk Mueller <dmueller@suse.de>
5569 * cgraphunit.c (decide_is_function_needed): Fix wrong
5572 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5574 PR rtl-optimization/27661
5575 * reload.c (find_reloads): When reloading a VOIDmode constant
5576 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5577 use Pmode as mode of the reload register.
5579 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5581 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5582 is enabled at -O and above.
5584 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5587 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5590 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5593 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5594 for anonymous variables explicitly declared by front ends.
5596 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5598 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5599 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5600 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5601 ref-all pointers, run a finalization pass for them.
5602 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5603 (finalize_ref_all_pointers): New function.
5604 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5605 regular pointer type to a ref-all pointer type.
5606 (get_tmt_for): Return the special memory tag for ref-all pointers.
5608 2006-05-25 Richard Guenther <rguenther@suse.de>
5611 * fold-const.c (fold_binary): Do not look at the stripped
5612 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5614 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5616 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5617 for LT and GT if the computed range is effectively empty.
5619 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5622 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5623 mips_quad_format formats instead of ieee_single_format,
5624 ieee_double_format and ieee_quad_format formats, respectively.
5626 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5628 PR tree-optimization/27639
5629 PR tree-optimization/26719
5630 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5631 call to scev_probably_wraps_p.
5632 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5633 used_in_pointer_arithmetic_p, convert_step): Removed.
5634 (nowrap_type_p): New function.
5635 (scev_probably_wraps_p): Rewritten.
5636 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5637 chrec_convert if chrec_convert_aggressive might have been used.
5638 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5639 scev_direction): New functions.
5640 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5641 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5642 instead of convert_step.
5643 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5644 (convert_step): Declaration removed.
5645 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5647 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5649 * df-core.c: Added to header comments.
5650 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5651 df_ur_bb_info, df_urec_bb_info): Added comments.
5652 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5653 urec, ri problems): Fixed header comments.
5654 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5655 code from df_rd_transfer_function.
5657 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5659 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5660 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5661 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5663 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5665 * expr.c (undefined_operand_subword_p): New.
5666 (emit_move_multi_word): Do not generate move from undefined bits
5667 of a paradoxical subreg.
5669 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5671 PR rtl-optimization/27736
5672 * combine.c (replaced_rhs_value): New variable.
5673 (combine_instructions): Set it.
5674 (distribute_notes): When distributing a note in replaced_rhs_insn,
5675 check whether the value was used in replaced_rhs_value.
5677 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5680 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5681 add_referenced_var instead of add_referenced_tmp_var.
5682 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5683 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5685 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5686 tree_optimize_tail_calls_1): Use add_referenced_var.
5687 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5688 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5689 Use add_referenced_var.
5690 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5691 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5692 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5693 Use add_referenced_var.
5694 * tree-dfa.c (struct walk_state): Remove.
5695 (find_referenced_vars): Remove walk state and vars_found hash table.
5696 (make_rename_temp): Use add_referenced_var.
5697 (find_vars_r): Pass less parameters to add_referenced_var.
5698 (referenced_var_p): New. Is var in referenced_var hash table.
5699 (referenced_var_insert): Assert var isn't already in hash table.
5700 (add_referenced_var): Don't need walk_state parameter. Add var if it
5701 isn't already in the hash table.
5702 (add_referenced_tmp_var): Remove.
5703 (find_new_referenced_vars_1): Use add_referenced_var.
5704 * tree-ssa-pre.c (create_expression_by_pieces,
5705 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5706 Use add_referenced_var.
5707 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5708 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5709 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5711 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5712 vect_create_data_ref_ptr, vect_create_destination_var,
5713 vect_init_vector, vect_build_loop_niters,
5714 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5715 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5716 Use add_referenced_var.
5717 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5718 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5719 (add_referenced_var): Add prototype.
5720 * tree-ssa-structalias.c (get_constraint_for,
5721 intra_create_variable_infos): Use add_referenced_var.
5723 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5725 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5726 big-endian paradoxical subregs.
5727 * var-tracking.c (struct micro_operation_def): Document that,
5728 for modify micro operations, insn is the subsequent instruction.
5729 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5730 (var_reg_set, var_mem_set): ... new functions.
5731 (add_stores): Record subsequent insn.
5732 (compute_bb_dataflow): Use new functions for MO_USE.
5733 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5734 notes after the insn, and modify notes before the insn known
5735 to be the subsequent one.
5736 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5738 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5741 * config/i386/i386.c (ix86_expand_builtin): Use
5742 gen_sse3_monitor64 for TARGET_64BIT.
5744 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5746 PR rtl-optimization/26375
5747 PR rtl-optimization/26855
5748 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5750 (df_ru_bb_local_compute): Reversed statements and removed bogus
5751 comment explaining why they should be in wrong order.
5752 (df_ru_dump, df_rd_dump): Enhanced debug info.
5753 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5755 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5756 reaching uses and fixed space problem.
5758 2006-05-23 Jan Hubicka <jh@suse.cz>
5760 * cgraphunit.c (decide_is_function_needed): Also nested functions
5761 and functions declared inline can be optimized out at -O0.
5763 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5765 * doc/install.texi (Configuration): Remove reference to CrossGCC
5769 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5772 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5773 ix86_compare_emitted is non-NULL.
5775 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5778 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5781 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5783 PR rtl-optimization/25514
5784 * combine.c (replaced_rhs_insn): New variable.
5785 (combine_instructions): Set replaced_rhs_insn when trying to replace
5786 a SET_SRC with a REG_EQUAL note.
5787 (distribute_notes): Use replaced_rhs_insn when determining the live
5788 range of a REG_DEAD register.
5790 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5791 Anatoly Sokolov <aesok@post.ru>
5793 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5794 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5795 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5796 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5797 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5798 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5799 at90usb647, at90usb1286 and at90usb1287 devices.
5800 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5801 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5803 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5805 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5807 2006-05-22 Richard Guenther <rguenther@suse.de>
5810 2006-01-31 Richard Guenther <rguenther@suse.de>
5811 Paolo Bonzini <bonzini@gnu.org>
5813 * doc/install.texi (--disable-libgcc-math): Document.
5815 2006-05-22 Richard Guenther <rguenther@suse.de>
5818 2006-01-31 Richard Guenther <rguenther@suse.de>
5820 * doc/invoke.texi (-msselibm): Document.
5821 * target.h (expand_library_builtin): New target hook.
5822 * builtins.c (expand_builtin): Use expand_library_builtin.
5823 (default_expand_library_builtin): New function.
5824 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5825 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5826 (link_gcc_math_spec): Declare.
5827 (static_specs): Add link_gcc_math_spec.
5828 * expr.h (default_expand_library_builtin): Declare.
5829 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5830 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5831 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5832 * config/i386/i386.opt (msselibm): New target option.
5833 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5834 (ix86_init_sse_abi_builtins): New function.
5835 (ix86_expand_library_builtin): Likewise.
5836 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5837 (override_options): Handle error conditions wrt -msselibm.
5838 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5839 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5840 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5843 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5846 * c-common.c (self_promoting_args_p): Skip erroneous args.
5849 * c-decl.c (finish_struct): Skip erroneous fields.
5851 2006-05-22 Nick Clifton <nickc@redhat.com>
5853 * config/cris/cris.opt (march): Remove VarExists attribute.
5854 (max-stackframe=): Likewise.
5856 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5858 * doc/rtl.texi: Fix a typo.
5859 * see.c: Fix comment typos.
5861 * tree-ssa-structalias.h (alias_info): Remove num_references.
5863 2006-05-21 Mike Stump <mrs@apple.com>
5865 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5867 (darwin_pragma_options): Use BAD instead.
5868 (darwin_pragma_unused): Likewise.
5869 (darwin_pragma_ms_struct): Likewise.
5871 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5873 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5875 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5877 PR rtl-optimization/27671
5878 * simplify-rtx.c (simplify_relational_operation_1): Fix
5879 simplifications of (eq/ne (xor x y) y) and
5880 (eq/ne (xor x y) x).
5882 PR tree-optimization/26622.
5883 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5886 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5888 * tree-cfg.c: Prune whitespace.
5889 (debug_tree_cfg): Point to correct header containing the
5892 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5895 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5897 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5900 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5901 or sorry count is non zero.
5903 2006-05-20 Andreas Schwab <schwab@suse.de>
5905 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5907 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5908 Kenneth Zadeck <zadeck@naturalbridge.com>
5910 PR rtl-optimization/26855
5912 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5914 (df_scan_alloc): Added code to properly handle multiword hard
5915 registers and add all_blocks parameter.
5916 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5917 code to properly handle multiword hard registers.
5918 (df_rescan_blocks): Added code to remove deleted blocks from
5920 (df_ref_create_structure, df_ref_record): Added code to properly
5922 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5923 and set DF_REF_PARTIAL.
5924 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5925 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5926 (df_scan_add_problem): Added flags parameter.
5927 (df_ref_create_structure): Changed switching structure.
5928 (df_bb_refs_record): Fixed case where duplicate artificial refs
5929 were created. Changed location of flags.
5930 (df_record_entry_block_defs): Added code to make stack pointer
5931 live in entry block. Refined cases where frame pointer is needed.
5932 Changed location of flags.
5933 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5934 (df_set_state): Removed function.
5935 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5936 df_insn_create_insn_record, df_insn_refs_delete,
5937 df_ref_create_structure): Formatting changes.
5938 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5939 df_delete_basic_block): New function.
5940 (df_init): Changed location of flags.
5941 (df_add_problem): Added flags parameter and the way flags are
5943 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5944 debug_df_chain): Improved debugging output.
5945 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5946 (df_refs_chain_dump): Removed df parameter.
5947 (df_iterative_dataflow): Added consistency check.
5948 (df_prune_to_subcfg): Made public.
5949 (df_analyze_problem): Added blocks_to_init parameter and made
5951 (df_ref_record, df_bb_refs_record, df_mark_reg,
5952 df_record_exit_block_uses): Whitespace changes.
5953 (df_dump): Whitespace changes.
5954 * df.h: Some reordering to remove forward references.
5955 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5956 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5957 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5958 (dataflow.flags): New field.
5959 (df.flag): Deleted field.
5960 (df_alloc_function): Added additional bitmap parameter.
5961 (df_dependent_problem_function): New type.
5962 (df_problem.changeable_flags): New field.
5963 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5964 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5965 (df_mw_hardreg): New struct.
5966 (DF_INSN_UID_MWS): New macro.
5967 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5969 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5970 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5971 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5972 (df_set_state): Removed function.
5973 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5974 * df-problems.c (df_chain_dump): Removed df parameter.
5975 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5976 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5978 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5979 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5980 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5981 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5982 DF_REF_MUST_CLOBBER cases.
5983 (df_ru_bb_local_compute_process_def,
5984 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5985 df_lr_bb_local_compute, df_ur_bb_local_compute,
5986 df_chain_create_bb): Made subreg aware.
5987 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5988 df_lr_bb_local_compute, df_lr_bb_local_compute,
5989 df_chain_create_bb): Cleanup to use proper macros.
5990 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5991 code to fixup bitvectors.
5992 (df_ri_alloc): Cleared lifetime.
5993 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5994 df_create_unused_note): New function.
5995 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5996 REG_DEAD and REG_UNUSED notes as well as register information.
5997 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5998 df_chains_dump): Fixed crash if problem was never run.
5999 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6000 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6001 df_ri_add_problem): Processes flags in uniform manner.
6002 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6003 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6004 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6005 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6006 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6007 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6008 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6009 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6010 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6011 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6012 * see.c (see_initialize_data): Ditto.
6013 * final.c (rest_of_clean_state) Added regstack_completed.
6014 * rtl.h (regstack_completed): Ditto.
6015 * reg-stack.c (regstack_completed): Ditto.
6017 2006-05-19 Mike Stump <mrs@apple.com>
6019 * c-tree.h (default_conversion): Remove.
6020 * c-common.h (default_conversion): Add.
6022 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6024 * tree-vrp.c (valid_value_p): New function.
6025 (adjust_range_with_scev): Fail if the value of bound is not
6028 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6030 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6031 (mips_fallback_frame_state): Use syscall numbers to determine
6032 the appropriate li instruction for the current ABI. Only use
6033 __NR_sigreturn for o32.
6035 2006-05-19 Nicolas Setton <setton@adacore.com>
6037 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6038 * langhooks.c (lhd_dwarf_name): New function.
6039 * langhooks-def.h (lhd_dwarf_name): Declare.
6040 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6041 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6042 * ada/misc.c (gnat_dwarf_name): New function.
6043 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6045 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6047 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6049 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6050 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6051 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6052 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6053 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6054 determine the size of Wtype, etc.
6055 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6056 (swfloatfuncs): New variable.
6057 (dwfloatfuncs): Likewise.
6058 (lib2funcs): Remove floating-point conversion functions from
6059 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6060 the set of conversion routines needed. Allow entries to specify
6061 an object name, filename and word size. Update users accordingly.
6062 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6063 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6067 2006-02-08 Roger Sayle <roger@eyesopen.com>
6070 * config/fixtfdi.c: New libgcc source file.
6071 * config/fixunstfdi.c: New source file.
6072 * config/floatditf.c: New source file.
6073 * config/floatunditf.c: New souce file.
6074 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6075 files above instead of config/mips/_tilib.c.
6076 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6078 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6080 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6081 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6083 2006-05-18 Mike Stump <mrs@apple.com>
6085 Fix up vla, vm and [*] sematics.
6091 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6092 (c_vla_unspec_p): Add.
6093 (c_vla_type_p): Add.
6094 * c-decl.c (struct c_scope): Add had_vla_unspec.
6095 (build_array_declarator): Add support for [*].
6096 (grokdeclarator): Likewise.
6097 (grokparms): Likewise.
6098 (get_parm_info): Likewise.
6099 * c-objc-common.c (c_vla_unspec_p): Likewise.
6100 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6101 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6102 typeof when argument is a variably modified type not inside sizeof or alignof.
6103 (c_parser_direct_declarator_inner): Propagate errors.
6104 (c_parser_sizeof_expression): Add support for [*].
6105 (c_parser_parms_declarator): Initialize had_vla_unspec.
6106 (c_parser_parms_list_declarator): Likewise.
6107 * c-typeck.c (c_vla_type_p): Add.
6108 (composite_type): Add support for vla compositing.
6109 (comptypes_internal): Add support for vla compatibility.
6110 (c_expr_sizeof_expr): Evaluate vla arguments.
6111 * tree.c (variably_modified_type_p): Update comment for [*].
6113 2006-05-18 Michael Matz <matz@suse.de>
6116 * config.host: Make assignments to host_xmake_file cumulative.
6117 * config.host (*-darwin*): Test $host, not $target.
6119 2006-05-12 Stuart Hastings <stuart@apple.com>
6121 * config/i386/i386.opt (-mstackrealign): New flag.
6122 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6123 (ix86_handle_cconv_attribute): Emit error when
6124 force_align_arg_pointer attribute collides with too many regparms.
6125 (ix86_function_regparm): Limit regparms when used with
6126 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6127 Support stack-realigning prologue in non-main functions. Emit
6128 warning for nested functions under -mstackrealign, emit error for
6129 nested functions with force_align_arg_pointer attribute.
6130 * doc/extend.texi (force_align_arg_pointer): Document it.
6131 * doc/invoke.texi (-mstackrealign): Document it.
6133 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6135 PR rtl-optimization/27477
6136 * combine.c (try_combine): Don't split a parallel consisting
6137 of two sets into two individual sets if both sets reference
6140 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6142 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6143 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6145 * doc/options.texi (VarExists): Updated.
6147 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6149 * unwind-dw2.c: Add declarations for uw_update_context and
6151 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6152 detected, advance frame state and context once to skip over stub.
6154 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6158 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6159 Call rewrite_into_loop_closed_ssa only when something changed.
6160 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6161 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6162 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6163 Test for perfect_nest_p here. Fix formating.
6164 (replace_uses_equiv_to_x_with_y): Fix formating.
6165 (stmt_uses_op): Removed.
6166 (can_convert_to_perfect_nest): Removed loopivs parameter.
6167 Complete the test by checking the scalar dependences.
6168 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6171 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6174 From Dan Kegel <dank@kegel.com>:
6175 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6177 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6179 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6180 if the element type is variably modified without recursing.
6182 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6185 * tree-loop-linear.c (try_interchange_loops): Test for
6186 no data dependences.
6188 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6190 PR tree-optimization/27548
6191 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6192 range of ssa names that appear on abnormal edges.
6193 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6194 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6196 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6199 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6201 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6204 * tree.h (OMP_PARALLEL_COMBINED): Define.
6205 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6206 (new_omp_context): Add is_combined_parallel argument.
6207 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6208 new_omp_context caller.
6209 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6210 Adjust gimplify_scan_omp_clauses callers.
6211 (omp_is_private): Issue errors if iteration variable is firstprivate
6212 or reduction in the current context.
6213 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6214 on combined parallel workshare constructs.
6216 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6218 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6219 (gcc-options.o): New rule.
6221 * optc-gen.awk: Protect variables for gcc-options.o with
6222 #ifdef GCC_DRIVER/#endif.
6224 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6226 Fix PR tree-optimization/27373
6227 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6228 (forward_propagate_addr_expr): Update call.
6230 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6232 * doc/options.texi: Move the Negative option.
6234 2006-05-16 Richard Guenther <rguenther@suse.de>
6236 PR tree-optimization/22303
6237 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6239 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6240 ccp_fold did not simplify the statement.
6242 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6245 * Makefile.in (GCC_OBJS): New.
6246 (OBJS-common): Add opts-common.o.
6247 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6248 (cpp$(exeext)): Likewise.
6249 (gcc.o): Also depend on opts.h.
6250 (opts-common.o): New.
6252 * common.opt (gcoff): Add Negative(gdwarf-2).
6253 (gdwarf-2): Add Negative(gstabs).
6254 (gstabs): Add Negative(gstabs+).
6255 (gstabs+): Add Negative(gvms).
6256 (gvms): Add Negative(gxcoff).
6257 (gxcoff): Add Negative(gxcoff+).
6258 (gxcoff+): Add Negative(gcoff).
6259 * config/i386/i386.opt (m32): Add Negative(m64).
6260 (m64): Add Negative(m32).
6262 * doc/options.texi: Document the Negative option.
6264 * gcc.c: Include "opts.h".
6265 (main): Call prune_options after expandargv.
6267 * optc-gen.awk: Generate common declarations for all flag
6268 variables in options.c. Output the neg_index field.
6270 * opts.c (find_opt): Moved to ...
6271 * opts-common.c: Here. New file.
6273 * opts.h (cl_option): Add a neg_index field.
6275 (prune_options): Likewise.
6277 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6280 * omp-low.c (expand_omp_parallel): Don't assert
6281 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6282 instead search for it.
6285 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6288 2006-05-16 Andreas Schwab <schwab@suse.de>
6290 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6293 2006-05-15 Roger Sayle <roger@eyesopen.com>
6296 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6297 integer constants other than zero are only legitimate on TARGET_64BIT.
6298 <CONST_VECTOR> Only zero vectors are legitimate.
6299 (ix86_cannot_force_const_mem): Integral and vector constants can
6300 always be put in the constant pool.
6302 2006-05-16 DJ Delorie <dj@redhat.com>
6304 * crtstuff.c (__dso_handle): Set section from
6305 TARGET_LBIGCC_SDATA_SECTION if defined.
6306 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6307 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6309 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6312 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6315 2006-05-16 Ben Elliston <bje@au.ibm.com>
6317 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6319 2006-05-15 Per Bothner <per@bothner.com>
6321 * tree.c: (last_annotated_node): Use source_locus typedef.
6322 This permits bootstrapping with --enable-mapped-location.
6324 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6326 PR tree-optimization/26830
6327 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6328 (info_for_ssa_name, current_info_for_ssa_name_age,
6329 blocks_to_update): New variables.
6330 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6331 (clear_ssa_name_info, initialize_flags_in_bb,
6332 mark_block_for_update): New functions.
6333 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6334 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6335 prepare_def_site_for): Use mark_block_for_update.
6336 (mark_def_interesting): Assert that the processed block is marked in
6337 blocks_to_update. Do not take blocks argument.
6338 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6340 (rewrite_update_init_block, rewrite_update_stmt): Only process
6341 blocks with statements to rewrite.
6342 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6343 (update_ssa): Initialize and free blocks_to_update. Do not
6344 clear flags on statements. Do not use blocks bitmap.
6345 * tree.h (SSA_NAME_AUX): Removed.
6346 (struct tree_ssa_name): Removed aux field.
6347 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6349 2006-05-15 Richard Guenther <rguenther@suse.de>
6351 PR tree-optimization/27603
6352 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6353 Do computations in original type.
6355 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6357 * see.c: Code style changes such as redundant paranthesis,
6358 redundant intialization of local variables etc.
6359 (see_main): Declared now as static.
6360 * doc/invoke.texi: Update that -fsee is not enabled by
6363 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6365 * omp-low.c (check_omp_nesting_restrictions): New function.
6366 (scan_omp_1): Call it.
6369 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6370 construct, return *VAR.
6372 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6374 PR rtl-optimization/27406
6375 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6378 2006-05-14 Roger Sayle <roger@eyesopen.com>
6380 PR rtl-optimization/27538
6381 * combine.c (expand_compound_operation): Call gen_lowpart
6382 before calling simplify_shift_const.
6384 2006-05-14 Roger Sayle <roger@eyesopen.com>
6386 PR rtl-optimization/22563
6387 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6388 a fixed width bitfield, always force the intermediates into psuedos.
6390 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6393 * mkconfig.sh: Use operator = instead of == for test.
6395 2006-05-13 Nick Clifton <nickc@redhat.com>
6397 * dwarf2out.c (dbx_reg_number): Check return value from
6398 LEAF_REG_REMAP and only use it if it is valid.
6399 (multiple_reg_loc_descriptor): Likewise.
6401 2006-05-13 Richard Guenther <rguenther@suse.de>
6403 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6406 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6408 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6409 information attached to non-INSNs such as NOTEs.
6410 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6412 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6414 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6416 * config/s390/s390.md: Adjust comment describing On constraint.
6418 2006-05-11 Jan Hubicka <jh@suse.cz>
6420 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6421 to be output at -O0.
6423 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6426 * fold-const.c (size_binop): Move sanity check for arguments to
6427 the beginning of the function.
6430 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6433 2006-05-11 Richard Guenther <rguenther@suse.de>
6436 * fold-const.c (fold_unary): Handle intermediate conversion
6437 to a pointer type like intermediate conversion to an integer
6438 type in folding of (T1)(T2)var to var.
6439 Match the code to the comment in the final conversion for
6440 (T1)(T2)var to (T1)var regarding to type precision. Rather
6441 than disallow T1 being of pointer type, assert that both T1
6442 and var are of pointer type or not. Make sure not to fall
6443 over the frontends lazyness wrt array to pointer decay though.
6445 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6447 * arm.c (arm_struct_value_rtx): Delete.
6448 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6449 (arm_init_cumulative_args): Always initialize nregs to zero.
6451 2006-05-10 Richard Guenther <rguenther@suse.de>
6453 PR tree-optimization/27532
6454 * tree-object-size.c (plus_expr_object_size): Fix typo.
6456 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6459 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6460 ashrdi_const, ashrdi3): Use a scratch register.
6462 2006-05-10 Richard Guenther <rguenther@suse.de>
6464 PR tree-optimization/27302
6465 * fold-const.c (operand_equal_p): For two comparisons,
6466 try comparison of one comparison code swapped if that yields
6469 2006-05-10 Ben Elliston <bje@au.ibm.com>
6471 * tree-pretty-print.c (pretty_print_string): No need to handle
6472 '\0' as a special character.
6474 * tree.h: Include "hashtab.h".
6475 (iterative_hash_expr): Use hashval_t in its prototype.
6476 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6478 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6481 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6482 (hppa*64*-*-hpux11*): Ditto.
6483 (hppa[12]*-*-hpux11*): Ditto.
6485 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6488 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6490 2006-05-09 Michael Matz <matz@suse.de>
6492 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6493 host_extra_gcc_objs and host_xmake_file.
6494 (<*-*-linux*>): Don't overwrite host_xmake_file.
6495 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6496 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6497 (host_detect_local_cpu): Declare.
6498 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6499 * config/i386/i386.c (override_options): Handle -mtune=native
6501 * config/i386/x-i386: New file.
6502 * config/i386/driver-i386.c: New file.
6503 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6506 2006-05-09 Dirk Mueller <dmueller@suse.de>
6507 Richard Guenther <rguenther@suse.de>
6510 * fold-const.c (fold_read_from_constant_string): Relax check
6511 for matching types to matching modes.
6513 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6515 PR rtl-optimization/27335
6516 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6519 2006-05-08 Chao-ying Fu <fu@mips.com>
6520 Richard Sandiford <richard@codesourcery.com>
6522 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6523 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6524 * config/mips/mips.md (UNSPEC_SCC): New constant.
6525 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6526 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6527 (mips_emit_compare): Use it.
6528 (mips_expand_vcondv2sf): New function.
6530 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6532 Fix PR tree-optimization/27093
6533 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6534 renaming when they become not-used_alone.
6536 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6538 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6539 relocation and relocation stubs.
6541 2006-05-08 Eric Christopher <echristo@apple.com>
6543 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6546 2006-05-08 Jan Hubicka <jh@suse.cz>
6549 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6550 unused static functions are needed.
6552 2006-05-08 Roger Sayle <roger@eyesopen.com>
6555 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6556 of a reg_equiv_constant if the result is a legitimate constant.
6558 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6561 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6562 standard 80387 constants, raise the cost to prevent
6563 compress_float_constant() to generate load from memory.
6565 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6567 * config/arm/constraints.md (c): Fix a typo.
6569 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6572 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6575 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6577 (_mm_mwait): Likewise.
6579 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6581 (sse3_monitor): Make it 32bit only.
6582 (sse3_monitor64): New. 64bit monitor.
6584 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6587 * config/i386/i386.c (classify_argument): Skip fields with invalid
6590 2006-05-07 Richard Guenther <rguenther@suse.de>
6592 PR tree-optimization/27409
6593 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6594 Do not try to find zero-sized subvars.
6596 2006-05-07 Richard Guenther <rguenther@suse.de>
6598 PR tree-optimization/27136
6599 * tree-ssa-loop-niter.c (get_val_for): Correct function
6600 comment, assert requirements.
6601 (loop_niter_by_eval): Stop processing if the iterated
6602 value did not simplify.
6604 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6606 * opts.c (flag_see): remove its setting at -O3.
6608 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6610 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6611 * arm/constraints.md: New file.
6612 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6613 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6614 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6615 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6616 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6617 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6618 * arm.md: Include constraints.md.
6619 (thumb_movsi_insn): Use satisfies_constraint_J.
6620 (movhi, movqi): Use satisfies_constraint_I.
6622 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6624 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6625 for atmeg a645 device.
6627 2006-05-06 Richard Guenther <rguenther@suse.de>
6629 PR tree-optimization/27151
6630 * tree-vect-transform.c (vectorizable_condition): Punt on
6631 values that have a different type than the condition.
6633 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6636 * c-parser.c (c_parser_cast_expression): Only insert casts into
6637 hash table if pointer.
6638 * function.c (used_types_insert_helper): Rename from
6640 (used_types_insert): Call used_types_insert_helper.
6641 * function.h (used_types_insert): Accept only one argument.
6643 2006-05-05 David Edelsohn <edesohn@gnu.org>
6645 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6646 scratch with output modifier.
6648 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6651 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6652 with output modifier.
6654 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6657 * config/mips/mips.c (mips_symbolic_address_p): Return true
6658 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6659 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6661 2006-05-04 Richard Guenther <rguenther@suse.de>
6663 PR tree-optimization/14287
6664 PR tree-optimization/14844
6665 PR tree-optimization/19792
6666 PR tree-optimization/21608
6667 PR tree-optimization/27090
6668 * tree-ssa-pre.c (try_combine_conversion): New function.
6669 (compute_avail): After constructing the value-handle
6670 expression, use try_combine_conversion to combine NOP_EXPRs
6671 with previous value-handle expressions and use the result if it
6674 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6676 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6678 2006-05-04 Jan Hubicka <jh@suse.cz>
6681 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6683 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6685 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6686 that this only matches CONST_INTs. All users changed to VOIDmode
6689 * config/bfin/bfin.c: Include "optabs.h".
6690 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6692 (enum bfin_builtins): Add a number of fractional and vector builtins.
6693 (bfin_init_builtins): Likewise.
6694 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6695 (safe_vector_operand, bfin_expand_binop_builtin,
6696 bfin_expand_unop_builtin): New functions.
6697 (bfin_expand_builtin): Handle the new builtins.
6698 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6701 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6704 * Makefile.in (OBJS-common): Add see.o.
6705 (see.o): Add dependencies.
6706 * common.opt (fsee): New flag for the see optimization was added.
6707 * opts.c (flag_see): Initialized.
6708 * passes.c (init_optimization_passes, pass_see): New pass.
6709 * rtl.h (see_main): Declaration as extern.
6710 * timevar.def (TV_SEE): New.
6711 * tree-pass.h (pass_see): Declaration as extern.
6712 * invoke.texi (-fsee): Document.
6713 * recog.c (validate_simplify_insn): New function.
6714 * recog.h (validate_simplify_insn): Declaration as extern.
6715 * df-problems.c (df_chain_dump): Check for NULL.
6717 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6718 Daniel Berlin <dberlin@dberlin.org>
6720 * cfgrtl.c (insert_insn_bb_end_new): New function.
6721 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6723 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6725 * df.h (struct web_entry): Moved from web.c.
6726 (union_defs): Declaration as extern.
6727 (unionfind_root): Likewise.
6728 (unionfind_union): Likewise.
6729 * web.c (struct web_entry): Moved to df.h.
6730 (unionfind_root): Remove static declaration.
6731 (unionfind_union): Likewise.
6732 (union_defs): Likewise and generalize to use callback function.
6733 (web_main): Update arguments for union_defs function call.
6735 2006-05-04 Richard Guenther <rguenther@suse.de>
6737 PR tree-optimization/26447
6738 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6739 produce SSA_NAME copies before the store stmt to avoid
6740 breaking exception handling.
6742 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6745 * gimplify.c (omp_is_private): If var is shared in some outer context,
6746 return false instead of true. Stop searching on parallel context
6749 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6752 * coverage.c: Use get_gcov_unsigned_t() instead of
6753 unsigned_type_node all over.
6755 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6757 PR tree-optimization/27381
6758 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6759 maintain the same immediate_use links.
6760 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6761 node rather than segfaulting.
6763 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6766 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6767 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6768 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6770 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6772 Fix PR tree-optimization/26626
6773 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6775 * tree-ssa-operands.c (access_can_touch_variable): Allow
6776 typecasting through union pointers.
6778 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6781 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6782 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6783 to find if var will be a global variable even in the nested context.
6784 (omp_copy_decl): Only check for global variable at the end, it might
6785 be overridden in outer contexts.
6786 (scan_sharing_clauses): For global variables don't create a field.
6787 (lower_rec_input_clauses): Do nothing for global shared variables.
6788 Emit a barrier at the end of ILIST if there were any decls in both
6789 firstprivate and lastprivate clauses.
6790 (lower_send_clauses): Do nothing for global variables except for
6793 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6795 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6796 of the correct signedness is returned.
6798 2006-05-02 Jeff Law <law@redhat.com>
6800 PR tree-optimization/27364
6801 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6802 multiply expressions.
6804 2006-05-02 Tom Tromey <tromey@redhat.com>
6806 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6808 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6811 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6812 -mthumb -fPIC are used.
6814 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6815 Joshua Kinard <kumba@gentoo.org>
6818 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6819 with 64-bit pointers.
6821 2006-05-02 Paul Brook <paul@codesourcery.com>
6823 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6825 (create_fix_barrier): Check that a suitable barrier location is
6827 (arm_reorg): Include ftmp->address in allowable range of addresses.
6829 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6832 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6835 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6838 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6839 around RESULT_DECL for result passed by reference.
6840 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6841 * omp-low.c (use_pointer_for_field): Don't look at
6842 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6843 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6844 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6845 time or var for passing by reference for
6846 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6847 TREE_ADDRESSABLE variables when passing by reference.
6849 * omp-low.c (dump_omp_region): Fix output formatting.
6852 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6853 (expand_omp_parallel): Likewise.
6854 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6857 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6858 on statement list containing also constructors and destructors.
6859 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6862 * except.c (duplicate_eh_regions): Fix clearing of
6863 cfun->eh->region_array entries.
6865 2006-05-01 DJ Delorie <dj@redhat.com>
6867 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6869 (gcc_cv_objdump): Likewise.
6870 * configure: Regenerated.
6872 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6875 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6876 templates for case 3 and 4.
6878 2006-05-01 DJ Delorie <dj@redhat.com>
6880 * vec.c: Include bconfig.h when appropriate.
6881 * Makefile.in (build/vec.o): Adjust dependencies.
6882 * mkconfig.sh: Make sure config.h isn't used for build machine
6885 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6887 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6889 (mark_phi_for_rewrite): New function.
6890 (insert_phi_nodes_for, mark_use_interesting): Call
6891 mark_phi_for_rewrite.
6892 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6893 (update_ssa): Initialize and free phis_to_rewrite.
6895 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6897 PR rtl-optimization/27291
6898 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6899 folded to a constant.
6901 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6903 PR tree-optimization/27283
6904 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6905 not whole # of iteration descriptions.
6906 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6907 uses abnormal ssa name.
6908 (niter_for_single_dom_exit): Ditto.
6909 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6910 return just the number of iterations.
6912 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6914 PR tree-optimization/27144
6915 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6916 (record_estimate): Only record constant upper bound.
6917 (infer_loop_bounds_from_undefined): Call
6918 compute_estimated_nb_iterations just once.
6919 (proved_non_wrapping_p): Renamed to ...
6920 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6921 (convert_step_widening, scev_probably_wraps_p): Call
6922 n_of_executions_at_most instead of proved_non_wrapping_p.
6923 (substitute_in_loop_info): Do not replace values in bounds.
6924 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6927 2006-05-01 Richard Henderson <rth@redhat.com>
6930 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6931 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6934 2006-05-01 Roger Sayle <roger@eyesopen.com>
6936 * c-typeck.c (parser_build_binary_op): Don't call the function
6937 unsigned_conversion_warning to spot operand/result type overflow.
6938 (build_binary_op): Instead, call convert_and_check instead of
6939 convert to report the problem when the operands are promoted.
6940 * c-common.c (unsigned_conversion_warning): Make static.
6941 * c-common.h (unsigned_conversion_warning): Delete prototype.
6943 2006-05-01 Richard Guenther <rguenther@suse.de>
6945 PR tree-optimization/26726
6946 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6948 (find_interesting_uses_address): ... we work around here
6949 by folding INDIRECT_REFs in the substituted base.
6951 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6953 * omp-low.c (dump_omp_region): Add newlines.
6955 2006-04-30 Roger Sayle <roger@eyesopen.com>
6957 * common.opt (Woverflow): New command line option.
6958 * c-common.c (constant_expression_warning): Check warn_overflow.
6959 (overflow_waring): Pass OPT_Woverflow to warning.
6960 (unsigned_conversion_warning): Likewise.
6961 (convert_and_check): Likewise.
6962 * doc/invoke.texi: Document new command line option.
6964 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6966 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6967 TARGET_NO_FP_IN_TOC for section anchors.
6968 (optimization_options): Enable section anchors for all
6969 non-"Objective" languages.
6971 2006-04-28 Eric Christopher <echristo@apple.com>
6973 * config/darwin-c.c (darwin_ms_struct): Move this
6974 (darwin_set_default_type_attributes): and this...
6975 * config/darwin.c: ... here.
6976 * config/darwin.h (darwin_ms_struct): Declare.
6978 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6980 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6982 2006-04-28 Roger Sayle <roger@eyesopen.com>
6985 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6986 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6987 an unsigned HOST_WIDE_INT.
6988 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6990 (really_start_incremental_init): No need to call convert because
6991 bitsize_zero_node is already of type bitsizetype.
6992 (push_init_level): Extract the value of constructor_index as an
6993 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6994 (process_init_element): Likewise.
6996 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6998 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6999 value before passing to make_relative_prefix.
7001 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7004 * builtins.c (expand_builtin_memset): Expand val in original mode.
7006 2006-04-27 Eric Christopher <echristo@apple.com>
7008 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7009 with #ifndef/#endif.
7010 * config/darwin-c.c (darwin_ms_struct): New.
7011 (darwin_pragma_ms_struct): Ditto.
7012 (darwin_set_default_type_attributes): Ditto.
7013 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7014 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7015 Register ms_struct pragma.
7016 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7017 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7018 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7019 darwin_set_default_type_attributes if TARGET_MACHO.
7021 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7023 PR tree-optimization/26854
7024 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7025 * doc/tree-ssa.texi: Update immuse iterator documentation.
7026 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7027 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7028 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7029 first_safe_imm_use, next_safe_imm_use): Remove.
7030 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7031 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7032 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7033 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7034 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7035 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7036 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7037 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7038 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7039 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7040 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7041 (perfect_nestify): Use new iterator.
7042 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7044 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7045 (next_imm_name): New field in struct immediate_use_iterator_d.
7046 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7047 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7048 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7049 * tree-cfg.c (replace_uses_by): Use new iterator.
7050 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7051 * tree-ssa-operands.c (correct_use_link): Remove.
7052 (finalize_ssa_use_ops): No longer call correct_use_link.
7054 2006-04-27 Stuart Hastings <stuart@apple.com>
7056 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7057 * config/t-darwin (crt3.o): Use it.
7058 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7059 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7060 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7061 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7062 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7065 2006-04-27 Roger Sayle <roger@eyesopen.com>
7067 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7068 size, force the intermediate into a new pseudo rather instead of
7069 performing both a bitwise AND and a bitwise IOR in memory.
7071 2006-04-27 Richard Guenther <rguenther@suse.de>
7073 PR rtl-optimization/26685
7074 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7075 this one "max-flow-memory-locations".
7077 2006-04-27 Richard Guenther <rguenther@suse.de>
7079 PR tree-optimization/25148
7080 * tree-vrp.c (compare_values): Remove code dealing with
7081 comparisons against type min/max value. Honour overflow
7082 and negative constants in code dealing with comparisons
7083 of plus and minus expressions.
7084 (value_inside_range): Use fold_binary with LE_EXPR and
7085 GE_EXPR rather than compare_values.
7087 2006-04-27 Dirk Mueller <dmueller@suse.de>
7089 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7092 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7094 * basic-block.h (safe_insert_insn_on_edge): Removed.
7095 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7097 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7098 Paolo Bonzini <bonzini@gnu.org>
7101 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7102 (simplify_and_const_int): Same.
7104 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7106 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7108 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7111 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7112 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7113 cgraph_global_info_ready.
7116 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7119 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7120 either decl or init is error_mark_node.
7123 * tree-flow.h (struct omp_region): Add sched_kind.
7124 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7125 instead of extracting omp for data.
7126 (expand_omp_for): Save extracted sched_kind.
7128 2006-04-25 Roger Sayle <roger@eyesopen.com>
7130 * expmed.c (store_bit_field): Also check whether the bitsize is
7131 valid for the machine's "insv" instruction before moving the
7132 target into a pseudo for use with the insv.
7133 * config/i386/predicates.md (const8_operand): New predicate.
7134 * config/i386/i386.md (extv, extzv, insv): Use the new
7135 const8_operand predicate where appropriate.
7137 2006-04-25 DJ Delorie <dj@redhat.com>
7139 * doc/install.texi (Specific): Clarify that this is not a list of
7140 supported hosts or targets.
7142 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7144 PR rtl-optimization/26725
7145 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7146 block's BB_DIRTY flag.
7148 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7150 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7153 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7154 to print an integer.
7156 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7158 * varasm.c (align_variable): New function.
7159 (get_block_for_decl): Apply align_variable to DECL before
7160 calculating section information.
7161 (assemble_variable): Split out alignment computation.
7163 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7165 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7168 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7170 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7171 MODE_PARTIAL_INT mode.
7172 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7173 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7175 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7176 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7178 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7180 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7182 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7183 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7184 MACFLAG_IH): Likewise.
7185 (movstricthi_1): Renamed from "*movstricthi".
7186 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7187 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7188 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7189 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7190 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7191 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7192 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7193 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7194 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7195 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7196 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7197 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7198 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7199 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7200 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7202 * doc/rtl.texi (ss_ashift): Improve wording.
7204 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7206 * dwarf2out.c (verify_marks_clear): New.
7207 (prune_unused_types): Call verify_marks_clear initially, not
7210 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7212 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7213 * doc/rtl.texi: Document them.
7214 * simplify-rtx.c (simplify_unary_operation,
7215 simplify_binary_operation_1): Don't abort when we see them.
7217 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7220 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7221 * configure.ac: Completely disregard languages that are not
7223 * configure: Regenerated.
7225 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7226 Richard Guenther <rguenther@suse.de>
7228 PR tree-optimization/27236
7229 * tree-inline.c (copy_body_r): Make sure to copy
7230 TREE_THIS_VOLATILE flag.
7232 2006-04-24 Richard Guenther <rguenther@suse.de>
7235 * tree-complex.c (update_parameter_components): Don't handle
7236 unused parameters which have no default def.
7238 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7239 Richard Guenther <rguenther@suse.de>
7241 PR tree-optimization/27218
7242 * tree-inline.c (expand_call_inline): Strip useless type
7243 conversions for the return slot address.
7245 2006-04-24 Richard Guenther <rguenther@suse.de>
7247 * cfgloop.h (struct loops): Remove unused field array. Reorder
7249 (LOOP_PREFETCH): Remove.
7251 2006-04-24 Richard Guenther <rguenther@suse.de>
7253 PR tree-optimization/22525
7254 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7255 variable, adjust types of generated expressions.
7257 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7259 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7260 (tree-vect-patterns.o): Likewise.
7262 (cselib.o): Likewise.
7263 (loop-doloop.o): Likewise.
7264 (regclass.o): Likewise.
7265 (reload1.o): Likewise.
7266 (explow.o): Replace target.h with $(TARGET_H).
7267 (ipa-prop.o): Likewise.
7268 (ipa-cp.o): Likewise.
7269 (ipa-inline.o): Likewise.
7270 (reorg.o): Likewise.
7271 (reg-stack.o): Likewise.
7273 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7275 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7277 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7279 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7281 * configure.ac: Completely disregard languages that are not
7283 * configure: Regenerated.
7286 * c-common.h (c_build_bitfield_integer_type): Declare.
7287 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7288 * c-common.c (c_build_bitfield_integer_type): ... here.
7290 2006-04-23 Roger Sayle <roger@eyesopen.com>
7293 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7294 a SImode SUBREG of a floating point register after no_new_pseudos.
7296 2006-04-23 Roger Sayle <roger@eyesopen.com>
7298 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7299 identify potentially eliminable registers to additionally catch
7300 VIRTUAL_INCOMING_ARGS_REGNUM.
7301 (addsi3): Update the conditions on when to use addsi_small_int.
7303 2006-04-23 Roger Sayle <roger@eyesopen.com>
7306 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7307 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7308 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7310 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7312 * fold-const.c (range_predecessor): Use operand_equal_p
7313 as the predicate for equality.
7314 (range_successor): Likewise.
7316 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7319 * config/soft-fp/op-common.h: Fix a typo.
7321 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7324 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7325 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7327 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7329 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7331 * doc/tm.texi: Fix a typo.
7333 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7335 * dwarf2out.c (struct die_struct): Document that die_sib makes
7336 a circular linked list.
7337 (FOR_EACH_CHILD): New.
7338 (reverse_die_lists): Delete.
7339 (reverse_all_dies): Delete.
7340 (add_dwarf_attr): Correct documentation.
7341 (remove_child_with_prev): New.
7342 (remove_child_TAG): Update for change to die_struct, use
7343 remove_child_with_prev.
7344 (add_child_die): Update for change to die_struct.
7345 (splice_child_die): Use remove_child_with_prev and add_child_die.
7346 (print_die): Use FOR_EACH_CHILD.
7347 (die_checksum): Likewise.
7348 (assign_symbol_names): Likewise.
7349 (output_location_lists): Likewise.
7350 (build_abbrev_table): Likewise.
7351 (calc_die_sizes): Likewise.
7352 (mark_dies): Likewise.
7353 (unmark_dies): Likewise.
7354 (unmark_all_dies): Likewise.
7355 (output_die): Likewise.
7356 (prune_unused_types_mark): Likewise.
7357 (prune_unused_types_walk): Likewise.
7358 (same_die_p): Update for change to die_struct.
7359 (break_out_includes): Likewise.
7360 (prune_unused_types_prune): Likewise.
7361 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7362 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7364 (dwarf2out_finish): Don't call reverse_all_dies.
7366 2006-04-21 Eric Christopher <echristo@apple.com>
7368 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7369 in comments and function names.
7371 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7374 * c-typeck.c (digest_init): Robustify.
7376 * c-typeck.c (pop_init_level): Simplify.
7378 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7380 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7382 2006-04-21 Paul Brook <paul@codesourcery.com>
7384 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7385 hardware floating point.
7387 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7389 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7392 2006-04-21 Nick Clifton <nickc@redhat.com>
7394 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7397 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7400 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7401 C++ lang type in traceback table for Objective-C++.
7403 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7405 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7407 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7409 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7412 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7413 were errors. Remove check for erroneous objects.
7415 2006-04-20 Jeff Law <law@redhat.com>
7417 PR tree-optimization/26854
7418 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7419 checking for zero or one use.
7420 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7421 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7422 * tree-ssa-reassoc.c (negate_value): Similarly.
7423 (reassociate_bb): Similarly.
7425 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7427 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7428 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7429 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7431 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7433 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7434 fp regs if the last fp arg doesn't fit in regs.
7436 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7439 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7440 that the last insn has the REG_INC note.
7442 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7443 Nathan Sidwell <nathan@codesourcery.com>
7446 * stor-layout.c (update_alignment_for_field): Do not align
7448 (place_union_field): Place union field at the start of the union.
7449 (place_field): Move ERROR_MARK check later, and use the current
7450 allocation position to maintain monotonicity.
7452 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7454 * dominance.c: Include timevar.h.
7455 (calculate_dominance_info): Use TV_DOMINANCE.
7456 * timevar.def (TV_DOMINANCE): New timevar.
7457 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7459 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7461 PR rtl-optimization/14261
7462 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7463 move would be an INSV insn.
7464 (noce_process_if_block): Don't optimize if the destination is a
7465 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7467 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7469 * config/s390/s390.md: Add comments with the instructions emitted
7470 by an insn pattern if macros are used.
7472 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7474 PR rtl-optimization/26026
7475 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7476 is a known power of two shifted left a variable amount.
7478 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7480 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7481 to hash table twice when the debug_str section has SECTION_MERGE.
7483 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7485 * config/soft-fp: New directory. From glibc.
7486 * config/soft-fp/t-softfp: New.
7487 * config/soft-fp/README: New.
7488 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7489 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7490 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7491 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7492 * config.gcc: Use rs6000/t-fprules-fpbit or
7493 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7495 * config/rs6000/sfp-machine.h: New. Based on glibc.
7496 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7498 * config/rs6000/t-fprules: Remove fp-bit rules.
7499 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7500 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7501 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7502 (softfp_wrap_start, softfp_wrap_end): New.
7504 2006-04-18 DJ Delorie <dj@redhat.com>
7506 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7508 2006-04-18 Devang Patel <dpatel@apple.com>
7510 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7512 2006-04-18 Nick Clifton <nickc@redhat.com>
7514 * config/sh/t-symbian: Add rule to build sh-c.o
7515 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7516 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7517 (sh_symbian_encode_section_info): Likewise.
7519 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7521 * builtins.c (expand_builtin_strcmp): Cover label definition of
7522 do_libcall with HAVE_cmpstrnsi.
7524 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7526 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7528 * function.h (temp_slot_p): New.
7529 (function): Change the type of x_used_temp_slots to
7530 VEC(temp_slot_p,gc) *.
7532 2006-04-18 Nick Clifton <nickc@redhat.com>
7534 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7535 flag_strength_reduce.
7537 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7539 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7543 Partial revert of revision 112637
7544 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7545 Dale Johannesen <dalej@apple.com>
7548 * regclass.c (struct reg_pref): Update documentation.
7549 (regclass): Set prefclass to NO_REGS if memory is the best option.
7550 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7552 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7554 PR tree-optimization/26821
7555 * tree-ssa-math-opts.c (get_constant_one): New.
7556 (insert_reciprocals): Use it.
7558 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7560 * dwarf2out.c (free_AT): Delete.
7561 (remove_AT): Update string ref counts.
7562 (remove_child_TAG): Don't call free_die.
7564 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7565 or DW_TAG_GNU_EINCL.
7566 (prune_unused_types_walk_attribs): Reset string refcounts.
7567 (prune_unused_types_update_strings): New.
7568 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7569 call free_die. Do call prune_unused_types_update_strings.
7570 (prune_unused_types): Empty debug_str_hash.
7572 2006-04-17 Roger Sayle <roger@eyesopen.com>
7574 * expr.c (expand_assignment): Optimize away no-op moves where the
7575 source and destination are equal and have no side-effects.
7577 2006-04-17 Richard Guenther <rguenther@suse.de>
7580 * reload.c (push_reload): Guard calls to get_secondary_mem
7583 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7585 * alias.c (reg_base_value, old_reg_base_value): Change the
7586 type to VEC(rtx,gc) *.
7587 (REG_BASE_VALUE, find_base_value, record_set,
7588 init_alias_analysis): Use VEC instead of VARRAY.
7590 * alias.c (alias_sets): Change the type to
7591 VEC(alias_set_entry,gc) *.
7592 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7593 VEC instead of VARRAY.
7594 (last_alias_set): Remove.
7596 * cgraph.h (cgraph_edge_p): New.
7597 Update the prototype of cgraph_function_versioning.
7598 * cgraphunit.c (cgraph_copy_node_for_versioning,
7599 cgraph_function_versioning): Use VEC instead of VARRAY.
7600 * ipa-cp.c (ipcp_insert_stage): Likewise.
7602 2006-04-16 Roger Sayle <roger@eyesopen.com>
7605 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7606 "A op B" or "A op C", we may need to convert A to the type of B and C.
7608 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7610 * target.h (struct gcc_target): Add mode_rep_extended.
7611 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7612 (init_num_sign_bit_copies_in_rep): Initialize it using
7614 (truncate_to_mode): Use it.
7615 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7616 * targhooks.h (default_mode_rep_extended): Declare it.
7617 * targhooks.c (default_mode_rep_extended): Define it.
7618 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7619 default_mode_rep_extended.
7620 (TARGET_INITIALIZER): Include it.
7621 * doc/tm.texi (Misc): Document it.
7622 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7623 (mips_truncated_to_mode): New function.
7625 2006-04-16 Roger Sayle <roger@eyesopen.com>
7628 * expr.c (compress_float_constant): Copy the narrow constant into
7629 a new pseudo before extending it to its final width.
7631 2006-04-16 Roger Sayle <roger@eyesopen.com>
7632 Andrew Pinski <pinskia@gcc.gnu.org>
7633 Dale Johannesen <dalej@apple.com>
7636 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7637 special case code to implement V8HImode and V16QImode with SSE2.
7639 2006-04-15 Roger Sayle <roger@eyesopen.com>
7641 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7642 trees are constructed with a suitable tree type.
7644 2006-04-15 Roger Sayle <roger@eyesopen.com>
7646 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7647 (integer_onep): Likewise.
7648 (integer_all_onesp): Likewise.
7649 (integer_pow2p): Likewise.
7650 (integer_nonzerop): Likewise.
7651 (real_zerop): Likewise.
7652 (real_onep): Likewise.
7653 (real_twop): Likewise.
7654 (real_minus_onep): Likewise.
7655 (int_size_in_bytes): Likewise.
7656 (host_integerp): Likewise.
7658 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7660 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7661 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7662 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7664 * tree-ssa-structalias.h (alias_info): Remove num_references.
7666 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7668 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7669 (output_bvb patterns): Likewise.
7670 * pa.c (output_bb): Use 'bb' insn for long branch case.
7671 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7672 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7673 1. Correct length operand for alternatives 1 and 2.
7674 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7675 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7677 2006-04-14 Roger Sayle <roger@eyesopen.com>
7679 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7680 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7681 were accidentally reverted by r112959.
7683 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7686 * except.h (eh_region_outermost): New prototype.
7687 * except.c (eh_region_outermost): New function.
7688 * tree-cfg.c (find_outermost_region_in_block): Use it.
7690 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7692 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7694 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7695 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7696 (init_reload, reload): Use VEC instead of VARRAY.
7697 * reload.h: Update the prototype for
7698 reg_equiv_memory_loc_varray.
7700 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7701 Eric Botcazou <ebotcazou@libertysurf.fr>
7703 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7706 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7709 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7710 to expand fallback builtin function call.
7712 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7715 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7716 and emit libcall here in case the builtin fails.
7717 (expand_builtin_strcmp): Always emit the libcall here on failure.
7719 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7721 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7722 * flow.c (reg_n_info): Change the type to
7723 VEC(reg_info_p,heap) *.
7724 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7726 * regs.h (reg_info_p): New.
7727 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7728 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7729 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7732 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7734 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7736 * params.h (MAX_SCHED_READY_INSNS): New macro.
7737 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7738 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7739 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7740 the ready list for 1 cycle during the first scheduling pass.
7741 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7743 2006-04-13 Richard Henderson <rth@redhat.com>
7746 * gimple-low.c (lower_omp_directive): Remove dead code.
7747 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7748 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7749 * omp-low.c (struct omp_region): Move to tree-flow.h.
7750 (root_omp_region): Export.
7751 (omp_regions, lookup_omp_region): Remove.
7752 (determine_parallel_type): Update for struct omp_region changes.
7753 (dump_omp_region): Dump regions with block numbers.
7754 (new_omp_region): Take type and block instead of stmt; malloc
7756 (free_omp_region_1, free_omp_regions): New.
7757 (expand_parallel_call): Take entry_stmt as argument; update for
7758 changes to omp_region.
7759 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7760 (remove_exit_barriers): New.
7761 (expand_omp_parallel): Update for struct omp_region changes.
7762 (expand_omp_synch): Likewise.
7763 (expand_omp): Likewise.
7764 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7765 (expand_omp_for_static_chunk): Likewise.
7766 (expand_omp_for): Likewise.
7767 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7768 (expand_omp_sections): Similarly, with GOMP_sections_end.
7769 (expand_omp_single): New.
7770 (build_omp_regions_1): Update for OMP_CONTINUE.
7771 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7772 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7773 OMP_SECTIONS_SECTIONS.
7774 (lower_omp_single_simple): Don't emit barrier here.
7775 (lower_omp_single_copy): Likewise.
7776 (lower_omp_single): Fix bindings, and lower to straightline now.
7777 (lower_omp_master, lower_omp_ordered): Likewise.
7778 (lower_omp_critical): Likewise.
7779 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7780 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7781 omp edges, free it afterward.
7782 (make_omp_sections_edges): Remove.
7783 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7784 (move_stmt_r): Handle OMP_CONTINUE.
7785 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7786 statement pointers to basic blocks. Add type member.
7787 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7788 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7789 * tree-inline.c (estimate_num_insns_1): Likewise.
7790 * tree-pretty-print.c (dump_generic_node): Likewise.
7791 * tree-ssa-operands.c (get_expr_operands): Likewise.
7792 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7793 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7794 (OMP_CONTINUE): New.
7795 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7796 (OMP_SECTIONS_SECTIONS): Remove.
7797 (OMP_SECTION_LAST): New.
7798 (OMP_RETURN_NOWAIT): New.
7800 2006-04-13 Roger Sayle <roger@eyesopen.com>
7802 * fold-const.c (native_encode_vector, native_interpret_real):
7803 Correct obvious mistakes in the previous check-in.
7805 2006-04-13 Roger Sayle <roger@eyesopen.com>
7807 * fold-const.c (native_encode_expr): New function to encode
7808 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7809 or VECTOR_CST into a specified buffer.
7810 (native_encode_int): New function.
7811 (native_encode_real): New function.
7812 (native_encode_complex): New function.
7813 (native_encode_vector): New function.
7814 (native_interpret_expr): Inverse of native_encode_expr to convert
7815 a target representation into an INTEGER_CST, REAL_CST etc...
7816 (native_interpret_int): New function.
7817 (native_interpret_real): New function.
7818 (native_interpret_complex): New function.
7819 (native_interpret_vector): New function.
7820 (fold_view_convert_expr): New function to constant fold/evaluate
7821 a VIEW_CONVERT_EXPR of a suitable constant expression.
7822 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7823 Change call of build1 to fold_build1 when constructing a
7826 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7827 Ulrich Weigand <uweigand@de.ibm.com>
7830 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7833 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7836 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7837 optimize to lo_sum for DFmode if !TARGET_FPRS.
7839 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7841 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7842 delete_alias_info, compute_flow_sensitive_aliasing,
7843 group_aliases): Use VEC instead of VARRAY.
7844 * tree-ssa-structalias.c (update_alias_info): Likewise.
7845 * tree-ssa-structalias.h (alias_info): Change the type of
7846 processed_ptrs to VEC(tree,heap) *.
7848 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7851 * config/sh/lib1funcs.h: New file, broken out of:
7852 * config/sh/lib1funcs.asm.
7853 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7855 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7856 * config/sh/lib1funcs-Os-4-200.asm: New file.
7857 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7858 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7859 (EXTRA_MULTILIB_PARTS): Include it.
7860 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7861 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7862 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7863 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7866 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7868 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7869 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7870 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7872 * tree-ssa-live.h: Include vecprim.h.
7873 (tree_partition_associator_d): Change the type of
7874 first_partition to VEC(int,heap) *.
7875 (tpa_first_partition): Use VEC instead of VARRAY.
7877 * Makefile.in (GTFILES): Move functions.h after tree.h.
7878 * function.c (reset_block_changes, record_block_change,
7879 check_block_change, free_block_changes): Use VEC instead of
7881 * function.h (function): Change the type of
7882 ib_boundaries_block to VEC(tree,gc) *.
7883 * tree-inline.c (copy_cfg_body): Initialize
7884 ib_boundaries_block to NULL instead of (varray_type) 0.
7886 2006-04-12 Roger Sayle <roger@eyesopen.com>
7888 * expr.c (emit_group_store): Correct operand order in call to
7889 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7890 a SUBREG_BYTE of zero.
7892 2006-04-12 Richard Guenther <rguenther@suse.de>
7894 * profile.c (compute_branch_probabilities): Remove code
7895 encapsulated in !ir_type (), which are remanents of the
7896 removed RTL profiling code.
7897 * rtl-profile.c: Remove.
7899 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7901 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7902 magic NULL_RTX comment.
7903 (function_arg): Store entire fp arg to mem if any part should go
7905 (rs6000_arg_partial_bytes): Adjust for above change.
7907 2006-04-11 Roger Sayle <roger@eyesopen.com>
7909 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7910 if it hasn't been initialized by dwarf2out_init.
7912 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7914 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7915 symbolic constants in branch patterns.
7917 2006-04-11 Roger Sayle <roger@eyesopen.com>
7919 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7921 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7923 PR rtl-optimization/27073
7924 * gcse.c (try_replace_reg): Revert last change. Continue to search
7925 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7928 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7930 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7931 aggregate types other than record and union types.
7932 (function_arg): Likewise.
7933 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7935 (function_value): In 64-bit mode, return objects that require it
7938 2006-04-11 Roger Sayle <roger@eyesopen.com>
7940 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7942 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7944 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7946 2006-04-03 Jeff Law <law@redhat.com>
7949 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7950 alias information too.
7952 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7954 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7956 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7959 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7960 (premark_used_types_helper): New.
7961 (premark_used_types): New.
7962 (gen_subprogram_die): Call premark_used_types.
7963 (prune_unused_types_walk): Do not prune perennial dies.
7964 * function.c (used_types_insert): New.
7965 * function.h (struct function): Add used_types_hash field.
7966 (used_types_insert): Add prototype.
7967 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7968 * c-parser.c (c_parser_cast_expression): Save casted types in used
7971 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7974 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7975 rs6000_explicit_options.float_gprs.
7977 2006-04-10 Roger Sayle <roger@eyesopen.com>
7979 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7980 from ix86_expand_vector_init_low_nonzero. Take an additional
7981 one_var argument indicating which element is non-zero. Support
7982 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7983 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7984 with one_var instead of ix86_expand_vector_init_low_nonzero.
7986 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7988 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7989 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7990 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7991 build/genextract.o): Depend on vecprim.h.
7992 * cfglayout.c, df-problems.c, function.c, genextract.c,
7993 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7994 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7998 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8000 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8001 Declare VECs of this type.
8002 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8003 (remove_children): Delete.
8004 (add_dwarf_attr): Use VEC routines.
8005 (add_AT_flag): Update for changes to add_dwarf_attr.
8006 (add_AT_int): Likewise.
8007 (add_AT_unsigned): Likewise.
8008 (add_AT_long_long): Likewise.
8009 (add_AT_vec): Likewise.
8010 (add_AT_string): Likewise.
8011 (add_AT_die_ref): Likewise.
8012 (add_AT_fde_ref): Likewise.
8013 (add_AT_loc): Likewise.
8014 (add_AT_loc_list): Likewise.
8015 (add_AT_addr): Likewise.
8016 (add_AT_lbl_id): Likewise.
8017 (add_AT_lineptr): Likewise.
8018 (add_AT_macptr): Likewise.
8019 (add_AT_offset): Likewise.
8020 (add_AT_range_list): Likewise.
8021 (get_AT): Use VEC_iterate.
8022 (remove_AT): Use VEC_ordered_remove.
8023 (free_die): Fold remove_children into here; have it use VEC_iterate.
8024 (print_die): Use VEC_iterate on attrs.
8025 (reverse_die_lists): Don't reverse attr lists.
8026 (die_checksum): Use VEC_iterate on attrs.
8027 (same_die_p): Likewise.
8028 (output_location_lists): Likewise.
8029 (build_abbrev_table): Likewise.
8030 (size_of_die): Likewise.
8031 (unmark_all_dies): Likewise.
8032 (output_abbrev_section): Likewise.
8033 (output_die): Likewise.
8034 (prune_unused_types_walk_attribs): Likewise.
8036 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8038 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8040 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8043 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8045 2006-04-09 Roger Sayle <roger@eyesopen.com>
8047 * expr.c (store_constructor): Don't bother clearing target if
8048 we're about to assign a vector to it using vec_init_optab.
8050 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8052 * tree-ssa-alias.c (lhs_may_store_to): New function.
8053 (recalculate_used_alone): Handle LHS of calls.
8055 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8059 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8060 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8061 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8062 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8063 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8064 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8065 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8066 stubs. Add ".align 8" directives before all ".dword" directives.
8067 (GTHREAD_USE_WEAK): Revise comment.
8068 (TARGET_ATTRIBUTE_WEAK): Define.
8069 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8070 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8071 * stublib.c: New file.
8076 * pa.md (cbranch patterns): Revise arguments used in calls to
8077 output_cbranch, output_bb and output_bvd. Add long branch length
8079 (fbranch patterns): Handle long branches.
8080 (jump): Revise length check. Revise arguments for output_lbranch call.
8081 Add long branch length attributes.
8082 (decrement_and_branch_until_zero): Add long branch length attributes.
8083 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8084 Likewise. Revise arguments for output_parallel_addb and
8085 output_parallel_movb calls.
8086 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8087 output_parallel_movb and output_parallel_addb): Update prototypes.
8088 * pa.c (output_cbranch): Revise arguments. Correct handling of
8089 nullification in long branches.
8090 (output_lbranch): Add new argument to control extraction of delay
8092 (output_bb): Handle long branches.
8093 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8094 output_parallel_addb): Likewise.
8096 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8098 PR rtl-optimization/27073
8099 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8102 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8104 * tree.h (tree_memory_tag): Add old_used_alone.
8105 (SMT_OLD_USED_ALONE): New macro.
8106 * tree-ssa-alias.c (recalculate_used_alone): Stop
8107 marking things for renaming unnecessarily.
8109 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8111 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8112 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8113 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8114 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8115 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8116 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8117 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8118 spelling convensions.
8119 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8120 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8121 typos. Follow spelling conventions.
8123 2006-04-07 DJ Delorie <dj@redhat.com>
8125 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8126 passed on the stack.
8127 (m32c_init_cumulative_args): When a function returns a structure,
8128 always pass the pointer to that return area on the stack.
8129 (m32c_function_arg_advance): Don't increment the parameter number
8130 if we're processing the returned structure pointer.
8131 (pushm_info): Reverse order of registers.
8133 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8135 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8136 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8137 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8138 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8140 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8141 chrec_fold_multiply): Same.
8142 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8143 force_expr_to_var_cost): Same.
8144 * tree-mudflap.c (mf_xform_derefs_1): Same.
8145 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8147 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8149 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8150 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8153 2006-04-07 Jan Hubicka <jh@suse.cz>
8155 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8157 2006-04-07 Richard Guenther <rguenther@suse.de>
8159 PR tree-optimization/26135
8160 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8161 loads for store copy-prop.
8162 (copy_prop_visit_stmt): Likewise.
8164 2006-04-05 Robert Millan <robertmh@gnu.org>
8166 * config/i386/linux.h: Add a comment to mark macros that are
8167 being overriden in config/k*bsd-gnu.h.
8168 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8170 * config/knetbsd-gnu.h: Ditto.
8172 2006-04-06 Jan Hubicka <jh@suse.cz>
8176 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8179 2006-04-06 Mike Stump <mrs@apple.com>
8181 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8182 for HAVE_nonlocal_goto to be consistent.
8183 (expand_builtin_nonlocal_goto): Likewise.
8184 (expand_builtin_strcmp): Use #ifdef instead of #if
8185 for HAVE_cmpstrnsi to be consistent.
8187 2006-04-05 DJ Delorie <dj@redhat.com>
8189 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8192 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8194 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8195 got-relative addressing for anything but SImode.
8197 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8198 even if the calling function doesn't modify them.
8200 2006-04-05 Richard Guenther <rguenther@suse.de>
8202 PR tree-optimization/26919
8203 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8204 to cgraph_estimate_size_after_inlining.
8206 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8208 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8210 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8212 PR tree-optimization/26996
8213 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8214 VECTOR_TYPE variables.
8216 2006-04-05 Richard Guenther <rguenther@suse.de>
8218 PR tree-optimization/26763
8219 * fold-const.c (fold_comparison): Move folding of
8220 PTR + CST CMP PTR + CST ...
8221 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8223 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8225 * doc/install.texi (Prerequisites): Refine some wording on
8226 bootstrapping and ksh.
8227 Move the version numbers of DejaGnu here from the testing section
8228 and fix casing of names.
8229 Fix markup and clarify wording for autogen requirements.
8230 Refer to GCJ instead of just java.
8231 Refer to SVN instead of CVS.
8232 Describe diffutils as useful instead of necessary.
8233 (Downloading the source): Refer to SVN instead of CVS.
8234 Adjust a link to our web site accordingly.
8235 (Configuration): Fix casing of Bison.
8236 (Building): Refer to SVN instead of CVS.
8237 Fix a sentence on the use of Bison and remove duplicate (and
8238 incorrect) version number of Bison requirement.
8239 Remove one redundant list of packages needed for building.
8240 (Specific): Avoid reference to CVS.
8242 2006-04-04 Eric Christopher <echristo@apple.com>
8244 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8245 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8246 (rs6000_handle_struct_attribute): New.
8247 (rs6000_ms_bitfield_layout_p): Ditto.
8249 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8251 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8252 NULL for dso parameter to atexit_common.
8254 2006-04-04 Eric Christopher <echristo@apple.com>
8256 * config/i386/i386.c (machopic_output_stub): Output \t
8257 between instructions and operands.
8259 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8261 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8262 satisfies_constraint_[IL] to explicit tests on value.
8264 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8266 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8267 set_nb_iterations_in_loop): Use build_int_cst instead of
8269 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8270 build_int_cst instead of convert.
8272 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8274 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8275 new value 2 for incoming.
8276 * function.c (expand_function_start): Call struct_value_rtx
8278 * config/sparc/sparc.md: Comment updated_return.
8279 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8280 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8281 struct return if sparc_std_struct_return and incoming is 2.
8282 (print_operand): Do not adjust return if
8283 sparc_std_struct_return.
8285 2006-04-04 Roger Sayle <roger@eyesopen.com>
8287 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8288 convert in the middle-end.
8289 * expr.c (store_expr, store_constructor, get_inner_reference,
8290 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8292 * tree.c (build_range_type): Likewise.
8294 2006-04-04 Tom Tromey <tromey@redhat.com>
8296 * doc/install.texi (Prerequisites): Mention jar.
8298 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8300 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8303 2006-04-04 Matthias Klose <doko@debian.org>
8305 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8309 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8312 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8314 * doc/extend.texi (Function Attributes): Rewrite visibility
8315 attribute documentation.
8316 * doc/invoke.texi (C++ Dialect Options): Rewrite
8317 -fvisibility-inlines-hidden documentation to describe something
8318 entirely different, although in practise compatible.
8319 (Code Gen Options): Warn about system headers in -fvisibility=
8322 * doc/extend.texi (Other Builtins): Document that
8323 __builtin_nan is a compile-time constant only when its argument
8326 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8328 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8329 trying to remove TRUNCATE check if all bits outside the new mode
8330 are identical to the sign bit.
8332 2006-04-03 Jeff Law <law@redhat.com>
8334 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8335 and operand scanning in some common cases.
8337 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8338 Dale Johannesen <dalej@apple.com>
8341 * regclass.c (struct reg_pref): Update documentation.
8342 (regclass): Set prefclass to NO_REGS if memory is the best option.
8343 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8344 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8345 into account. For non-registers, equate an empty preferred
8346 reload class to a `!' in the constraint; move the if clause to
8347 do so after those that reject the insn.
8348 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8350 (find_dummy_reload): Likewise.
8351 * doc/tm.texi (Register Classes): Document what it means
8352 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8353 * config/i386/i386.c (ix86_preferred_reload_class): Force
8354 using SSE registers (and return NO_REGS for floating-point
8355 constants) if math is done with SSE.
8356 (ix86_preferred_output_reload_class): New.
8357 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8358 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8359 * config/i386/i386.md: Remove # register preferences.
8361 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8364 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8365 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8366 the type of nb_iter.
8367 (instantiate_parameters_1): Convert the operands before calling
8368 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8369 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8371 2006-04-02 Roger Sayle <roger@eyesopen.com>
8373 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8374 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8376 * dojump.c (do_jump): Likewise.
8377 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8378 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8379 gimplify_boolean_expr): Likewise.
8380 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8381 * varasm.c (array_size_for_constructor): Likewise.
8382 * tree-object-size.c (compute_object_offset): Likewise.
8384 2006-04-02 Roger Sayle <roger@eyesopen.com>
8387 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8388 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8390 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8392 PR tree-optimization/26939
8393 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8395 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8397 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8398 at_stmt. Convert the type of operands before calling
8399 build_polynomial_chrec.
8400 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8402 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8403 (instantiate_parameters_1): Convert the type of operands before calling
8404 build_polynomial_chrec.
8405 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8406 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8407 reset_evolution_in_loop): Insert asserts to check the types of the
8409 (chrec_type): Moved...
8410 (eq_evolutions_p): Use operand_equal_p.
8411 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8412 the types of the operands.
8413 (chrec_type): ...here.
8414 * tree-data-ref.c (create_data_ref): Convert the operands before
8415 calling chrec_replace_initial_condition.
8416 (same_access_functions, analyze_subscript_affine_affine,
8417 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8418 (compute_subscript_distance, analyze_ziv_subscript,
8419 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8420 analyze_miv_subscript): Convert the operands before calling
8421 chrec_fold_minus or chrec_fold_plus.
8423 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8425 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8426 the dependence_relations vector.
8427 (compute_data_dependences_for_loop): Adjust call to
8428 compute_all_dependences.
8430 2006-04-01 Roger Sayle <roger@eyesopen.com>
8431 Richard Henderson <rth@redhat.com>
8433 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8434 gimple_boolify on the condition before calling gimplify_expr.
8436 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8438 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8439 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8440 the frame size. Update to use the new macros.
8441 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8442 * config/xtensa/ieee754-df.S: Likewise.
8444 2006-03-31 Richard Henderson <rth@redhat.com>
8446 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8447 (make_edges): ... here. Control fallthru creation with a local
8448 variable. Do not play with fake edges.
8449 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8450 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8453 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8455 * dwarf2.h (DW64_CIE_ID): Define.
8456 * dwarf2out.c (DWARF_CIE_ID): Define.
8457 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8458 length header. Use DWARF_CIE_ID.
8459 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8460 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8462 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8464 * config/sh/linux-atomic.asm: New file.
8465 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8467 2006-03-31 DJ Delorie <dj@redhat.com>
8469 * config/m32c/cond.md: Set condition flags properly throughout.
8470 * config/m32c/minmax.md: Likewise.
8471 * config/m32c/prologue.md: Likewise.
8472 * config/m32c/bitops.md: Likewise.
8473 * config/m32c/muldiv.md: Likewise.
8474 * config/m32c/mov.md: Likewise.
8475 * config/m32c/addsub.md: Likewise.
8476 * config/m32c/m32c.md: Likewise.
8477 * config/m32c/jump.md: Likewise.
8478 * config/m32c/shift.md: Likewise.
8480 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8481 conditionally output the pattern for this.
8482 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8483 (m32c_compare_redundant): New.
8484 (m32c_output_compare): New.
8485 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8487 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8488 dest, not src. Allow other 4-byte modes.
8490 2006-03-30 Denis Chertykov <denisc@overta.ru>
8492 * doc/md.texi: Refer to avr/constraints.md instead of
8495 2006-03-30 Roger Sayle <roger@eyesopen.com>
8497 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8498 signed vs. unsigned comparison failures on some hosts.
8500 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8503 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8504 change to FLOAT_REGS.
8506 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8507 (rs6000_override_options): Use it.
8508 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8509 only for -mabi=spe/no-spe and -mabi=altivec.
8511 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8513 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8516 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8518 * Makefile.in: Rename docdir to gcc_docdir.
8520 2006-03-30 Roger Sayle <roger@eyesopen.com>
8523 * expr.c (emit_group_store): Optimize group stores into a pseudo
8524 register by using a paradoxical subreg to initialize the destination
8525 if the first or last member of the group specifies a "low part".
8527 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8530 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8531 * target.h (struct gcc_target.speculate_insn): Change type of the
8532 second parameter to 'int'.
8533 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8534 the second operand of the DEPS_LIST.
8535 (copy_DEPS_LIST_list): Update reference to the second operand of the
8537 * rtl.h (alloc_DEPS_LIST): Update signature.
8538 * sched-int.h (ds_t): Change typedef to 'int'.
8539 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8541 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8543 * haifa-sched.c (try_ready): Change condition to restore
8544 non-speculative pattern of the instruction.
8545 (process_insn_depend_be_in_spec): Code to keep probability of the
8546 speculative dependence non-decreasing.
8548 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8550 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8551 (single_move_for_movmem): ... this. Also change all uses.
8552 (bfin_expand_strmov): Renamed to...
8553 (bfin_expand_movmem): ... this. Also change all uses.
8554 * config/bfin/bfin.md (movstrsi): Renamed to...
8555 (movstrsi): ...this.
8557 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8559 PR tree-optimization/26830
8561 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8562 (copy_prop_visit_stmt): Remove write-only variable ann.
8563 (init_copy_prop): Check variable loop depth here. Do not simulate
8564 memory-tag and virtual operand PHIs except for store copy prop.
8566 2006-03-30 Richard Guenther <rguenther@suse.de>
8568 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8569 variants with double arguments.
8571 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8573 * genpreds.c (write_tm_constrs_h): Delete variable p.
8574 * genconditions.c (write_header): Add tm-constrs.h to included
8576 * genpeep.c (main): Add toplev.h to included headers.
8577 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8578 (build/genpeep.o): Add toplev.h dependency.
8579 * config/rs6000/constraints.md: Add "W" constraint.
8581 2006-03-29 Roger Sayle <roger@eyesopen.com>
8583 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8584 sizes by correctly testing whether the size fits a host integer.
8585 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8586 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8587 SImode range for the default sizetype and bitsizetype.
8589 2006-03-29 Roger Sayle <roger@eyesopen.com>
8591 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8592 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8593 quickly if the argument is already of the correct type.
8594 Call fold_build1 instead of build1. Tidy up blank lines.
8596 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8598 * genemit.c (main): Add tm-constrs.h to included headers.
8599 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8600 * genpeep.c (main): Add tm-constrs.h to included headers.
8601 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8602 (write_tm_constrs_h): this and write complete file.
8603 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8604 (write_insn_preds_c): Add tm-constrs.h to included headers.
8605 (gen_constrs): New variable.
8606 (parse_option): Parse "-c".
8607 (main): Invoke write_tm_constrs_h.
8608 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8609 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8610 (object_out_file): Add tm-constrs.h dependency.
8611 (insn-emit.o): Same.
8612 (insn-output.o): Same.
8613 (insn-peep.o): Same.
8614 (insn-preds.o): Same.
8615 (insn-recog.o): Same.
8616 (tm-constsr.h): New target.
8617 (s-constrs-h): New target.
8619 * config/rs6000/constraints.md: New file.
8620 * config/rs6000/rs6000.c: Include tm-constrs.h.
8621 (num_insn_constant_wide): Convert to satisfies_constraint.
8622 (rs6000_rtx_costs): Convert to satisfies_constraint.
8623 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8624 (CONST_OK_FOR_LETTER_P): Delete.
8625 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8626 (EXTRA_CONSTRAINT): Delete.
8627 (EXTRA_MEMORY_CONSTRAINT): Delete.
8628 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8629 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8630 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8631 satisfies_constraint.
8633 * config/i386/i386.c: Include tm-constrs.h.
8635 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8637 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8638 * tree-data-ref.c (find_data_references_in_loop,
8639 compute_data_dependences_for_loop): Use pointers to VEC.
8640 (analyze_all_data_dependences): Adjust calls.
8641 * tree-data-ref.h (find_data_references_in_loop,
8642 compute_data_dependences_for_loop): Adjust declarations.
8643 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8644 compute_data_dependences_for_loop.
8646 2006-03-29 Paul Brook <paul@codesourcery.com>
8648 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8651 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8653 PR tree-optimization/26859
8654 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8656 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8657 for the step after fold_convert.
8659 2006-03-29 Paul Brook <paul@codesourcery.com>
8661 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8662 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8664 2006-03-29 Paul Brook <paul@codesourcery.com>
8667 * targhooks.c (default_narrow_bitfield): New fuction.
8668 * targhooks.h (default_narrow_bitfield): add prototype.
8669 * target.h (gcc_target): Add narrow_volatile_bitfield.
8670 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8671 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8672 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8673 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8675 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8677 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8679 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8680 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8681 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8682 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8683 (s390_function_arg_float): Allow SDmode and DDmode values to be
8684 passed in floating point registers.
8685 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8686 check with SCALAR_FLOAT_MODE_P.
8687 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8689 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8691 PR tree-optimization/25985
8692 * tree-ssa-loop-niter.c (number_of_iterations_le,
8693 number_of_iterations_ne): Make comments more precise.
8694 (number_of_iterations_cond): Add only_exit argument. Use the
8695 fact that signed variables do not overflow only when only_exit
8697 (loop_only_exit_p): New.
8698 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8699 number_of_iterations_cond.
8701 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8703 PR tree-optimization/26643
8704 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8707 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8709 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8710 (divsi3_i4_int): Likewise.
8712 2006-03-28 Roger Sayle <roger@eyesopen.com>
8714 * expr.c (emit_group_store): Only create a new pseudo reg if the
8715 quantity it needs to hold isn't already a suitable pseudo.
8717 2006-03-28 Jeff Law <law@redhat.com>
8719 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8720 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8722 2006-03-28 Roger Sayle <roger@eyesopen.com>
8724 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8725 the equivalent ~X & Y, and the symmetry related transformations.
8726 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8727 ~X & Y, and symmetry related transforms.
8729 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8731 Revert my 2006-03-27 patches.
8733 2006-03-28 Roger Sayle <roger@eyesopen.com>
8735 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8736 ~(T1)X, when T1 and T2 are integer types of the same precision
8737 and (T2)X isn't an extension.
8739 2006-03-28 Jeff Law <law@redhat.com>
8741 PR tree-optimization/26796
8742 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8743 need EH edge cleanups rather than purging them immediately.
8744 (eliminate_degenerate_phis): Handle queued EH cleanups.
8746 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8748 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8751 2006-03-27 Roger Sayle <roger@eyesopen.com>
8754 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8755 cast BIT_NOT_EXPR operand to the correct type.
8757 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8759 * tree-loop-linear.c: Don't include varray.h.
8760 (gather_interchange_stats, try_interchange_loops,
8761 linear_transform_loops): Use VEC instead of VARRAY.
8762 * lambda-mat.c: Don't include varray.h.
8763 * tree-chrec.c: Same.
8764 * lambda-trans.c: Same.
8765 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8766 VEC instead of VARRAY.
8767 * tree-vectorizer.h: Idem.
8768 * tree-data-ref.c (dump_data_references,
8769 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8770 initialize_data_dependence_relation, finalize_ddr_dependent,
8771 compute_all_dependences, find_data_references_in_loop,
8772 compute_data_dependences_for_loop, analyze_all_data_dependences,
8773 free_dependence_relation, free_dependence_relations,
8774 free_data_refs): Idem.
8775 * tree-data-ref.h (data_reference_p, subscript_p): New.
8776 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8777 VEC instead of VARRAY.
8778 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8779 (find_data_references_in_loop, compute_data_dependences_for_loop,
8780 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8781 dump_data_dependence_relations, free_dependence_relations,
8782 free_data_refs): Adjust declaration.
8783 (lambda_transform_legal_p): Move declaration here...
8784 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8785 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8786 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8787 vect_analyze_data_refs): Use VEC instead of VARRAY.
8788 * lambda.h (lambda_transform_legal_p): ...from here.
8789 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8790 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8791 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8792 tree-chrec.o): Don't depend on VARRAY_H.
8794 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8796 * rtl.def (Copyright): Update date.
8797 (DEPS_LIST): Change type of the second operand to 'int'.
8798 * target.h (Copyright): Update date.
8799 (struct gcc_target.speculate_insn): Change type of the second parameter
8801 * lists.c (Copyright): Update date.
8802 (alloc_DEPS_LIST): Change signature. Update reference to the second
8803 operand of the DEPS_LIST.
8804 (copy_DEPS_LIST_list): Update reference to the second operand of the
8806 * rtl.h (Copyright): Update date.
8807 (alloc_DEPS_LIST): Update signature.
8808 * sched-int.h (Copyright): Update date.
8809 (ds_t): Change typedef to 'int'.
8810 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8812 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8814 * haifa-sched.c (Copyright): Update date.
8815 (try_ready): Change condition to restore non-speculative pattern
8817 (process_insn_depend_be_in_spec): Code to keep probability of the
8818 speculative dependence non-decreasing.
8820 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8822 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8823 shut up the compiler.
8825 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8827 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8828 to use lib prefix for target.
8829 ($(T)libic_invalidate_array_4-200.a): Likewise.
8830 ($(T)libic_invalidate_array_4a.a): Likewise.
8832 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8833 J"orn Rennecke <joern.rennecke@st.com>
8835 * superh.opt: New file.
8836 * sh.c (boardtype, osruntime): Remove.
8837 * superh.h (SUBTARGET_OPTIONS): Remove.
8838 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8840 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8841 arguments with ^ and/or [].
8843 * config.gcc (sh-*-*): Add quoting to account for quirk of
8845 Replace == with = in enable_incomplete_targets test.
8847 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8848 with MASK_LITTLE_ENDIAN.
8850 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8851 * config/sh/sh.opt: Added to some comments.
8852 * config/sh/superh.h: Removed some chaff.
8854 * config/sh/sh.opt: Add m4-[1234]00* options.
8855 * config/sh/sh.c (sh_handle_option): Likewise.
8856 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8857 (ic_invalidate_array_4-100.o): New rule.
8858 ($(T)libic_invalidate_array_4-100.a): Likewise.
8859 (ic_invalidate_array_4-200.o): Likewise.
8860 ($(T)libic_invalidate_array_4-200.a): Likewise.
8861 (ic_invalidate_array_4a.o): Likewise.
8862 ($(T)libic_invalidate_array_4a.a): Likewise.
8863 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8864 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8866 * config/sh/crt1.asm: Merged in profiling code.
8867 * config/sh/superh.h (STARTFILE_SPEC): Override.
8868 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8869 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8870 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8872 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8873 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8874 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8876 * sh.opt (mpretend-cmove): New option.
8877 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8878 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8879 (movsicc): Add TARGET_PRETEND_CMOVE code.
8881 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8883 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8884 s390_class_max_nregs): New function prototypes.
8885 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8886 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8887 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8888 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8890 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8892 * dwarf2out.c (add_location_or_const_value_attribute): Call
8893 tree_add_const_value_attribute if nothing else works.
8894 (reference_to_unused): New.
8895 (rtl_for_decl_init): Use reference_to_unused to decide whether
8896 to output an initializer.
8898 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8901 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8902 peephole removing spe frob_di_df_2.
8904 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8906 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8907 (subscript_dependence_tester_1): Declared.
8908 (print_dir_vectors, print_dist_vectors): New.
8909 (debug_data_dependence_relation): New.
8910 (dump_data_dependence_relation): Print more details.
8911 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8912 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8913 (save_dist_v, save_dir_v, add_outer_distances,
8914 build_classic_dist_vector_1): New.
8915 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8916 Don't test for lambda_vector_lexico_pos.
8917 (same_access_functions, add_multivariate_self_dist,
8918 add_other_self_distances, dir_from_dist): New.
8919 (build_classic_dir_vector): Replace implementation almost identical to
8920 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8922 (subscript_dependence_tester_1): New.
8923 (subscript_dependence_tester): Handle the lexicographically negative
8924 distance vectors by recomputing the dependence relation.
8925 (compute_affine_dependence): Remove parameter loop_nest_depth.
8926 (compute_self_dependence): Don't call compute_subscript_distance.
8927 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8928 Add a parameter for the loop_nest.
8929 (find_loop_nest_1, find_loop_nest): New.
8930 (compute_data_dependences_for_loop): Compute the loop nest, and give
8931 up if the nest is not well formed.
8932 * tree-data-ref.h (loop_p): New.
8933 (struct data_dependence_relation): Replace size_vect field with
8934 loop_nest, a vec of loops.
8935 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8936 (DDR_LOOP_NEST): New.
8937 (print_dir_vectors, print_dist_vectors,
8938 debug_data_dependence_relation): Declared.
8939 (index_in_loop_nest): New.
8940 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8941 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8944 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8946 * simplify-rtx.c (simplify_relational_operation): Call
8947 simplify_relational_operation_1 even if mode is VOIDmode.
8949 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8951 PR tree-optimization/26804
8952 * tree.h (DECL_CALL_CLOBBERED): New macro.
8953 (tree_decl_common): Add call_clobbered_flag.
8954 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8955 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8956 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8957 (mark_non_addressable): Ditto.
8958 * tree-ssa.c (verify_call_clobbered): New function.
8959 (verify_alias_info): Use it.
8960 * tree-pass.h (pass_reset_cc_flags): New prototype.
8961 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8962 (reset_cc_flags): New function.
8963 * passes.c (init_optimization_passes): Call reset_cc_flags after
8964 initializing referenced_vars.
8966 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8967 Roger Sayle <roger@eyesopen.com>
8970 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8971 to 1.0 for non-real operands. Implement A / A optimization for
8974 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8976 * config/i386/i386.c (size_cost): Correct the comment for
8977 cost of storing fp registers.
8978 (i386_cost): Likewise.
8979 (i486_cost): Likewise.
8980 (pentium_cost): Likewise.
8981 (pentiumpro_cost): Likewise.
8982 (k6_cost): Likewise.
8983 (athlon_cost): Likewise.
8984 (k8_cost): Likewise.
8985 (pentium4_cost): Likewise.
8986 (nocona_cost): Likewise.
8987 (generic64_cost): Likewise.
8988 (generic32_cost): Likewise.
8990 2006-03-24 Denis Chertykov <denisc@overta.ru>
8992 * config/avr/avr-protos.h (extra_constraint): Delete.
8993 (extra_constraint_Q): New declaration.
8994 * config/avr/constraints.md: New file.
8995 * config/avr/avr.md: Include it.
8996 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8997 (TMP_REGNO, ZERO_REGNO): Likewise.
8998 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8999 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9000 (extra_constraint): Delete.
9001 (extra_constraint_Q): Test for memory constraint 'Q'.
9002 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9003 (REG_CLASS_FROM_LETTER): Delete.
9004 (CONST_OK_FOR_LETTER_P): Delete.
9005 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9006 (EXTRA_CONSTRAINT): Delete.
9007 (TMP_REGNO): Delete.
9008 (ZERO_REGNO): Delete.
9010 2006-03-24 Jeff Law <law@redhat.com>
9012 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9013 directly. Call mark_new_vars_to_rename slightly earlier.
9015 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9017 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9019 (gen_compile_unit_die): Use new language types for Objective-C and
9021 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9022 DW_LANG_C_plus_plus.
9025 * config/t-darwin (crt3.o): Work around bug 26840.
9026 * config/darwin-crt3.c: Rewrite.
9027 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9029 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9031 * doc/invoke.texi: Document -femit-class-debug-always
9032 * common.opt: Add -femit-class-debug-always.
9034 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9036 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9037 index and base register.
9038 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9039 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9040 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9041 REGNO_OK_FOR_INDEX_P.
9042 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9044 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9045 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9046 REG_OK_FOR_BASE_P): Definitions removed.
9048 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9051 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9052 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9053 set yet or weren't marked as local yet.
9055 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9057 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9060 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9062 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9063 (rs6000_legitimate_small_data_p): Delete.
9064 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9065 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9066 and make static. Add forward declaration. Update uses.
9067 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9068 of offsettable_memref_p.
9069 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9070 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9072 2006-03-24 Jeff Law <law@redhat.com>
9074 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9075 around bug in immediate-use iterator.
9077 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9080 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9081 or __LITTLE_ENDIAN__.
9083 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9085 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9086 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9087 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9088 * config/sh/sh.opt (mdiv=): Amend description.
9089 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9090 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9091 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9092 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9093 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9094 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9095 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9096 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9097 TARGET_DIVIDE_CALL_FP.
9099 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9101 * haifa-sched.c (choose_ready): Fix type of the local variable.
9102 Move local variables. Add comment.
9103 (check_reg_live): Change signature. Make callable from debugger.
9104 * sched-int.h (check_reg_live): Update signature.
9105 * sched-ebb.c (check_reg_live): Update parameters.
9106 * sched-rgn.c (check_reg_live): Ditto.
9107 (region_head_or_leaf_p): Check pointer before dereferencing.
9108 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9109 before reload on optimization levels below 1.
9111 2006-03-23 Richard Henderson <rth@redhat.com>
9113 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9117 * config/alpha/predicates.md (local_symbolic_operand): Reject
9120 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9123 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9124 expressions which have overflowed constants.
9126 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9128 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9130 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9132 * cfgloopmanip.c (create_loop_notes): Removed.
9133 * final.c (final_scan_insn): Do not handle loop notes.
9134 * jump.c (squeeze_notes): Ditto.
9135 * cfglayout.c (skip_insns_after_block,
9136 duplicate_insn_chain): Ditto.
9137 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9139 * cfgloop.h (create_loop_notes): Declaration removed.
9141 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9143 * varasm.c (output_constant_pool): Restore fnname and fndecl
9145 (assemble_start_function): Adjust call accordingly.
9146 (assemble_end_function): Likewise.
9148 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9151 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9154 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9156 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9159 * system.h (ICE_EXIT_CODE): New macro.
9160 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9161 (diagnostic_action_after_output): Likewise.
9162 * gcc.c (fatal_ice): New function.
9163 (execute): Use it instead of fatal.
9164 (fancy_abort): Likewise.
9165 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9167 2006-03-22 Jeff Law <law@redhat.com>
9169 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9170 iv_analyze_result returning false.
9172 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9174 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9176 2006-03-22 Richard Henderson <rth@redhat.com>
9179 * except.c (duplicate_eh_regions_0): New.
9180 (duplicate_eh_region_1): Duplicate the children of the node as
9181 well as the node itself. Link them up properly.
9182 (duplicate_eh_region_2): Merge into ...
9183 (duplicate_eh_regions): ... here. Take copy_region argument, and
9184 copy only a sub-tree if asked. Simplify copying and fixup.
9185 (eh_region_outer_p): New.
9186 * except.h (duplicate_eh_regions): Update decl.
9187 (eh_region_outer_p): Declare.
9188 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9189 (lower_omp_master): Likewise.
9190 (lower_omp_ordered): Likewise.
9191 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9192 (move_stmt_r): Use it to remap labels. Handle recursion vs
9193 remap_decls_p properly.
9194 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9195 (find_outermost_region_in_block): New.
9196 (new_label_mapper): New.
9197 (move_sese_region_to_fn): Copy eh information to the new function
9199 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9201 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9204 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9206 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9207 into shared libraries.
9209 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9211 * doc/md.texi: Refer to i386/constraints.md instead of
9213 * config/i386/constraints.md: New file, extracted from...
9214 * config/i386/predicates.md: ...here.
9215 * config/i386/i386.md: Include constraints.md.
9217 2006-03-21 Jason Merrill <jason@redhat.com>
9219 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9222 * expr.c (init_block_move_fn): Force default visibility.
9223 (init_block_clear_fn): Likewise.
9224 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9225 * targhooks.c (default_external_stack_protect_fail): Likewise.
9227 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9229 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9230 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9231 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9232 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9233 (loadgp): Use mips_current_loadgp_style.
9234 (loadgp_noshared): New pattern.
9235 (sibcall_internal): Use MIPS_CALL.
9236 (sibcall_value_internal): Likewise.
9237 (sibcall_value_multiple_internal): Likewise.
9238 (call_internal): Likewise.
9239 (call_value_internal): Likewise.
9240 (call_value_multiple_internal): Likewise.
9241 (call_split): Use MIPS_CALL and add an 'S' constraint.
9242 (call_value_split): Likewise.
9243 (call_value_multiple_split): Likewise.
9244 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9245 (-mshared): New option.
9246 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9247 (mips_current_loadgp_style): Declare.
9248 * config/mips/mips.c (mips_classify_symbol): Avoid using
9249 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9250 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9251 TARGET_ABSOLUTE_ABICALLS.
9252 (override_options): Adjust comments. Improve the warning that is
9253 issued when -mabicalls and -G are used together.
9254 (mips_file_start): Remove comment.
9255 (mips_current_loadgp_style): New function.
9256 (mips_gnu_local_gp): New variable.
9257 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9259 (mips_output_function_prologue): Use mips_current_laodgp_style.
9260 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9261 the cprestore instruction.
9262 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9263 live for TARGET_ABSOLUTE_ABICALLS.
9264 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9265 (ASM_SPEC): Pass down -mshared and -mno-shared.
9266 (MIPS_CALL): New macro.
9267 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9269 * doc/invoke.texi (-mabicalls): Update documentation.
9270 (-mshared): Document.
9272 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9274 * config/ia64/unwind-hpux.c: New file.
9275 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9277 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9280 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9282 2006-03-21 Jeff Law <law@redhat.com>
9284 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9285 type conversions of a VR_VARYING source to a wider type.
9287 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9289 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9290 tm_file on Solaris 10 and later.
9291 (sparc64-*-solaris2*): Likewise.
9292 (sparc-*-solaris2*): Likewise.
9293 * config/sol26.h: Rename to config/sol2-6.h.
9294 * config/sol2-10.h: New file.
9296 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9299 * tree-ssa-pre.c (create_component_ref_by_pieces):
9302 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9305 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9306 return it immediately.
9308 2006-03-21 Michael Matz <matz@suse.de>
9310 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9312 (remove_arc, add_arc): Update num_out_arcs member.
9313 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9315 (cache_presence): New function.
9316 (compare_states_for_equiv): New function.
9317 (state_is_differed): Don't take number of outargs, adjust callers.
9318 Use new invariant for speeding up.
9319 (init_equiv_class): Create initial classes based on sorted
9321 (partition_equiv_class): Don't track out_arcs_num.
9322 (evaluate_equiv_classes): Call cache_presence on all states and
9325 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9327 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9328 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9329 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9330 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9332 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9333 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9334 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9335 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9336 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9338 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9339 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9340 (REGNO_REG_CLASS): ARGP is in PREGS.
9341 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9343 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9344 to deal with those addresses.
9345 * addresses.h: New file.
9346 * caller-save.c: Include "addresses.h".
9347 (init_caller_save): Use new base_reg_class function.
9348 * rtl-factoring.c: Include "addresses.h".
9349 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9350 * recog.c: Include "addresses.h".
9351 (preprocess_constraints): Use new base_reg_class function.
9352 * regrename.c: Include "addresses.h".
9353 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9354 functions. Keep track of a new var INDEX_CODE to compute valid
9356 (replace_oldest_value_addr): Likewise.
9357 (replace_oldest_value_mem): Use base_reg_class.
9358 * reload.c: Include "addresses.h".
9359 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9360 (find_reloads): Use new base_reg_class function.
9361 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9362 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9363 all callers and prototype changed.
9364 * reload1.c: Include "addresses.h".
9365 (maybe_fix_stack_asms): Use base_reg_class.
9366 * regclass.c: Include "addresses.h".
9367 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9368 (init_reg_autoinc): Use new base_reg_class function.
9369 (record_reg_classes): Likewise.
9370 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9371 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9372 Use new args to compute necessary class.
9374 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9375 regrename.o, rtl-factoring.o): Update dependencies.
9376 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9377 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9378 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9379 REG_OK_FOR_INDEX_P): Delete documentation.
9381 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9383 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9384 from V7 to V9 for Solaris 7 and above.
9386 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9388 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9389 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9390 argument pointers may not alias any other storage.
9391 * common.opt: Define option -fargument-noalias-anything.
9392 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9393 alias semantics is specified by flag_argument_noalias > 2.
9395 2006-03-20 Jeff Law <law@redhat.com>
9397 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9398 (pass_phi_only_cprop): Declare.
9399 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9401 * tree-ssa-dom.c (degenerate_phi_result): New function.
9402 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9403 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9404 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9405 (eliminate_degenerate_phis): Likewise.
9406 (pass_phi_only_cprop): New pass descriptor.
9407 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9408 support code. Callers updated.
9409 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9410 (store_copy_prop): Likewise.
9411 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9413 2006-03-20 Jason Merrill <jason@redhat.com>
9416 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9417 (push_visibility, pop_visibility): Likewise.
9418 * c-pragma.h: Declare them.
9420 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9422 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9424 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9425 parameter and use get_ebb_head_tail.
9426 (sh_md_init_global): Adjust uses of find_regmode_weight.
9428 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9430 * function.h (struct function) <x_tail_recursion_reentry>:
9431 Rename to x_stack_check_probe_note.
9432 (tail_recursion_reentry): Rename to stack_check_probe_note.
9433 * function.c: Replace tail_recursion_reentry with
9434 stack_check_probe_note everywhere.
9435 (expand_function_start): Only emit a note for
9436 stack_check_probe_note with -fstack-protect.
9437 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9439 * emit-rtl.c (remove_unnecessary_notes): Remove.
9440 (pass_remove_unnecessary_notes): Remove.
9441 * rtl.h (remove_unnecessary_notes): Remove prototype.
9442 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9443 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9444 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9446 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9449 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9450 (valid_in_set): Handle ARRAY_REF.
9451 Change "if min_variant or VH" to asserts.
9452 (create_component_ref_by_pieces): Handle ARRAY_REF.
9453 (create_expression_by_pieces): Likewise.
9454 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9456 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9458 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9459 is operand of switch, not str[0].
9461 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9463 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9464 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9466 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9468 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9469 end of insn_extra_address_constraint declaration.
9471 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9473 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9474 (no-sum-in-toc): Same.
9475 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9477 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9478 NO_FP_IN_TOC for -fPIC instead of mask.
9480 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9481 (BOOT_LDFLAGS): Delete.
9483 * config/rs6000/t-aix52: Same.
9485 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9486 (stmsi[345678]_power): New.
9488 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9490 * config/ia64/ia64.opt: Add empty line to end of file.
9492 2006-03-17 Richard Guenther <rguenther@suse.de>
9495 * builtins.c (get_pointer_alignment): For component style references
9496 adjust alignment to the component type alignment. Make sure
9497 to adjust alignment for component access of constants.
9499 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9501 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9504 2006-03-17 Paul Brook <paul@codesourcery.com>
9506 * doc/install.texi: Docuemnt --with-mode.
9507 * config.gcc: Add --with-mode for arm*-*-*.
9508 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9510 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9512 * sh.c (max_labelno_before_reorg): New variable.
9513 (sh_reorg): Initialize it.
9514 (find_barrier): Check max_labelno_before_reorg before using
9515 label_to_alignment. Take length of explicit alignment insns
9516 into account. When seeing a UNSPECV_CONST_END, return it.
9518 * sh.c (fixup_mova): Set mode of affected label to QImode.
9519 (untangle_mova): New function.
9520 (find_barrier): Use it. Check mode of label before decrementing
9522 (sh_reorg): Likewise.
9523 Set mode of all insns back to VOIDmode.
9525 * sh.c (MOVA_LABELREF): New macro.
9526 (mova_p, fixup_mova, sh_reorg): Use it.
9527 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9528 ADDR_DIFF_VEC matches mova.
9530 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9532 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9533 with ATTRIBUTE_UNUSED.
9535 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9537 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9538 pointer, instead of assuming it is possible to derive the
9539 correct args size from a call insn.
9541 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9543 * rtl.h (CONST_INT_P): Define.
9544 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9545 instead of GET_CODE(x) == CONST_INT.
9546 (vax_rtx_costs): Likewise.
9547 (vax_output_int_move): Likewise.
9548 (vax_output_int_add): Likewise.
9549 (legitimate_constant_address_p): Likewise.
9550 (index_term_p): Likewise.
9551 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9552 * config/vax/vax.md (and<mode>3): Likewise.
9553 (ashrsi3): Likewise.
9555 (movstricthi): Likewise.
9556 (movstrictqi): Likewise.
9557 (rotrsi3): Likewise.
9558 (five unnamed insns): Likewise.
9560 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9562 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9563 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9564 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9565 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9566 Pass to ASM_OUTPUT_DWARF_OFFSET.
9567 * dwarf2out.c (debug_frame_section): New.
9568 (output_call_frame_info): Use debug_frame_section. Pass it to
9569 dw2_asm_output_offset.
9570 (output_die): Pass appropriate section to dw2_asm_output_offset.
9571 (output_compilation_unit_header): Likewise.
9572 (output_pubnames): Likewise.
9573 (output_aranges): Likewise.
9574 (enum dw_val_class): Break dw_val_class_lbl_offset into
9575 dw_val_class_lineptr and dw_val_class_macptr.
9576 (add_AT_lbl_offset): Delete.
9577 (add_AT_lineptr): New.
9578 (add_AT_macptr): New.
9579 (AT_lbl): Expect a lineptr or macptr.
9580 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9581 (attr_checksum): Likewise.
9582 (same_dw_val_p): Likewise.
9583 (size_of_die): Likewise.
9584 (value_format): Likewise.
9585 (output_die): Likewise.
9586 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9588 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9589 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9590 * config/darwin-protos.h (darwin_file_start): New.
9591 (darwin_asm_output_dwarf_offset): New.
9592 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9593 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9595 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9596 if not EH section; simplify.
9597 (darwin_file_start): New.
9598 (darwin_asm_output_dwarf_offset): New.
9599 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9601 (DEBUG_INFO_SECTION): Likewise.
9602 (DEBUG_ABBREV_SECTION): Likewise.
9603 (DEBUG_ARANGES_SECTION): Likewise.
9604 (DEBUG_MACINFO_SECTION): Likewise.
9605 (DEBUG_LINE_SECTION): Likewise.
9606 (DEBUG_LOC_SECTION): Likewise.
9607 (DEBUG_PUBNAMES_SECTION): Likewise.
9608 (DEBUG_STR_SECTION): Likewise.
9609 (DEBUG_RANGES_SECTION): Likewise.
9610 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9611 (ASM_OUTPUT_DWARF_OFFSET): New.
9613 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9615 * config.gcc (tm_defines): Always add to previous value rather
9618 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9620 * config/mips/predicates.md (splittable_const_int_operand): New,
9621 split from move_operand.
9622 (splittable_symbolic_operand): New.
9623 (move_operand): Add commentary. Use splittable_const_int_operand.
9624 Inline mips_atomic_symbolic_constant_p.
9625 * config/mips/mips.md: Add combine splitters for handling moves
9626 of splittable_const_int_operands and splittable_symbolic_operands.
9627 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9628 (mips_split_symbol): Declare.
9629 (mips_move_integer): Declare.
9630 * config/mips/mips.c (mips_split_p): Make global.
9631 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9632 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9633 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9634 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9635 (mips_offset_within_object_p): Handle block symbols.
9636 (mips_atomic_symbolic_constant_p): Delete.
9637 (mips_cannot_force_const_mem): Return false for constants that
9638 mips_legitimize_move can handle.
9639 (mips_use_blocks_for_constant_p): New function.
9640 (mips_split_symbol): Make global.
9641 (mips_move_integer): Likewise. Add a temporary register argument.
9642 (mips_legitimize_const_move): Use splittable_const_int_operand and
9643 splittable_symbolic_operand.
9644 (mips_use_anchors_for_symbol_p): New function.
9645 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9646 (mips_split_p): Declare.
9648 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9650 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9651 (mips*-*-linux*): Likewise.
9653 2006-03-16 Roger Sayle <roger@eyesopen.com>
9654 Daniel Speyer <dspeyer@wam.umd.edu>
9657 * tree-dump.c (dump_real): New function.
9658 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9659 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9660 (tree-dump.o): Add $(REAL_H) to the dependencies.
9662 2006-03-16 Roger Sayle <roger@eyesopen.com>
9665 * real.c (real_from_string): If the mantissa is zero, don't bother
9666 parsing the exponent as the result should always be zero.
9668 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9670 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9672 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9674 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9675 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9676 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9677 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9678 ia64_sched_finish_global): New static functions to implement
9679 hooks from gcc_target.sched.
9680 (spec_check_no, max_uid, pending_data_specs): New static variables.
9681 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9682 ia64_spec_check_src_p): New static functions.
9683 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9684 (TARGET_SCHED_ADJUST_COST): Removed.
9685 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9686 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9687 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9688 TARGET_SCHED_GEN_CHECK,
9689 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9690 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9691 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9692 Fixed to handle speculation checks.
9693 (rtx_needs_barrier): Fixed to handle speculative loads and
9695 (ia64_variable_issue): Added code to count speculative loads and their
9697 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9699 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9701 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9703 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9704 (ia64_reorg): Reset stops_p to NULL after it is freed.
9705 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9706 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9707 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9709 (data_speculative, control_speculative, check_load): New attributes.
9710 (mov<mode>_advanced, mov<mode>_speculative,
9711 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9712 zero_extend<mode>di2_speculative,
9713 zero_extend<mode>di2_speculative_advanced): New patterns for
9714 data and control speculative loads.
9715 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9717 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9718 New pattern for data and control speculation checks.
9719 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9720 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9721 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9722 Auxiliary definitions for the patterns.
9723 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9724 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9726 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9728 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9729 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9730 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9731 New resource constraints.
9732 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9734 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9735 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9736 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9737 msched-in-control-spec, msched-ldc, msched-control-ldc,
9738 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9739 msched-prefer-non-control-spec-insns,
9740 msched-count-spec-in-critical-path): New flags to tune speculative
9742 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9743 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9744 msched-in-control-spec, msched-ldc, msched-control-ldc,
9745 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9746 msched-prefer-non-control-spec-insns,
9747 msched-count-spec-in-critical-path): Document new flags.
9749 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9751 * target.h (struct spec_info_def): New opaque declaration.
9752 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9753 speculate_insn, needs_block_p, gen_check,
9754 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9755 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9756 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9757 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9758 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9759 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9761 (TARGET_SCHED): Use new macros.
9762 * rtl.h (copy_DEPS_LIST_list): New prototype.
9763 * sched-int.h (struct sched_info): Change signature of new_ready field,
9764 adjust all initializations. New fields: add_remove_insn,
9765 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9766 region_head_or_leaf_p.
9767 (struct spec_info_def): New structure declaration.
9768 (spec_info_t): New typedef.
9769 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9770 recovery_block, orig_pat.
9771 (glat_start, glat_end): New variables declaraions.
9772 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9774 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9775 DETACH_LIFE_INFO, USE_GLAT.
9776 (enum SPEC_SCHED_FLAGS): New enumeration.
9777 (NOTE_NOTE_BB_P): New macro.
9778 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9779 attach_life_info, debug_spec_status, check_reg_live): New functions.
9780 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9781 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9783 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9784 * ddg.c (get_block_head_tail): Adjust all uses.
9785 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9786 (sms_sched_info): Initialize new fields.
9787 (contributes_to_priority): Removed.
9788 * haifa-sched.c (params.h): New include.
9789 (get_block_head_tail): Adjust all uses.
9790 (ISSUE_POINTS): New macro.
9791 (glat_start, glat_end): New global variables.
9792 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9793 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9794 old_last_basic_block, before_recovery, current_sched_info_var,
9795 rgn_n_insns, luid): New static variables.
9796 (insn_cost1): New function. Move logic from insn_cost to here.
9797 (find_insn_reg_weight1): New function. Move logic from
9798 find_insn_reg_weight to here.
9799 (reemit_notes, move_insn, max_issue): Change signature.
9800 (move_insn1): Removed.
9801 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9802 extend_bb): New static functions to support extension of scheduler's
9804 (generate_recovery_code, process_insn_depend_be_in_spec,
9805 begin_speculative_block, add_to_speculative_block,
9806 init_before_recovery, create_recovery_block, create_check_block_twin,
9807 fix_recovery_deps): New static functions to support
9808 generation of recovery code.
9809 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9810 restore_bb_notes, move_block_after_check, move_succs): New static
9811 functions to support ebb scheduling.
9812 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9813 functions to support handling of register live information.
9814 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9815 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9816 add_jump_dependencies): New static functions.
9817 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9818 consistancy checking.
9819 (debug_spec_status): New function to call from debugger.
9820 (priority): Added code to handle speculation checks.
9821 (rank_for_schedule): Added code to distinguish speculative instructions.
9822 (schedule_insn): Added code to handle speculation checks.
9823 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9824 Fixed to handle ebbs.
9825 (move_insn): Added code to handle ebb scheduling.
9826 (max_issue): Added code to use ISSUE_POINTS of instructions.
9827 (choose_ready): Added code to choose between speculative and
9828 non-speculative instructions.
9829 (schedule_block): Added code to handle ebb scheduling and scheduling of
9830 speculative instructions.
9831 (sched_init): Initialize new variables.
9832 (sched_finish): Free new variables. Print statistics.
9833 (try_ready): Added code to handle speculative instructions.
9834 * lists.c (copy_DEPS_LIST_list): New function.
9835 * sched-deps.c (extend_dependency_caches): New function. Move logic
9836 from create_dependency_caches to here.
9837 (get_dep_weak, ds_merge): Make global.
9838 * genattr.c (main): Code to output prototype for
9839 dfa_clear_single_insn_cache.
9840 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9841 (output_dfa_clean_insn_cache_func): Code to output
9842 dfa_clear_single_insn_cache function.
9843 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9845 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9847 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9848 New static variables.
9849 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9850 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9852 (ebb_sched_info): Initialize new fields.
9853 (get_block_head_tail): Adjust all uses.
9854 (compute_jump_reg_dependencies): Fixed to use glat_start.
9855 (schedule_ebb): Code to remove unreachable last block.
9856 (schedule_ebbs): Added code to update register live information.
9857 * sched-rgn.c (region_sched_info): Initialize new fields.
9858 (get_block_head_tail): Adjust all uses.
9859 (last_was_jump): Removed. Adjust users.
9860 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9861 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9862 Implement new hooks.
9863 (check_dead_notes1): New static function.
9864 (struct region): New fields: dont_calc_deps, has_real_ebb.
9865 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9866 (BB_TO_BLOCK): Fixed to handle EBBs.
9867 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9868 (ebb_head): New static variable.
9869 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9870 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9872 (compute_dom_prob_ps): New assertion.
9873 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9874 global_live_at_start.
9875 (init_ready_list): New assertions.
9876 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9877 (new_ready): Add support for BEGIN_CONTROL speculation.
9878 (schedule_insns): Fixed code that updates register live information
9880 (schedule_region): Fixed to handle EBBs.
9881 (init_regions): Use extend_regions and check_dead_notes1.
9882 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9883 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9884 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9885 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9886 TARGET_SCHED_GEN_CHECK,
9887 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9888 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9889 * doc/invoke.texi (max-sched-insn-conflict-delay,
9890 sched-spec-prob-cutoff): Document.
9892 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9894 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9895 inter_tick, queue_index.
9896 (struct sched_info): Change signature of init_ready_list field.
9897 Adjust all initializations.
9898 (RESOLVED_DEPS): New access macro.
9899 (ready_add): Remove prototype.
9900 (try_ready): Add prototype.
9901 * sched-rgn.c (init_ready_list): Use try_ready.
9902 (schedule_region): Initialize
9903 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9904 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9905 (init_ready_list): Use try_ready.
9906 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9907 * lists.c (remove_list_elem): Remove `static'.
9908 (remove_free_INSN_LIST_elem): New function.
9909 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9910 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9911 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9913 (readyp): New variable.
9914 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9915 change_queue_index, resolve_dep): New static functions.
9916 (try_ready): New function. Adjust callers in sched-rgn.c and
9917 sched-ebb.c to use it instead of ready_add.
9918 (clock_var): Move at the begining of file.
9919 (rank_for_schedule): Fix typo.
9920 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9921 (ready_lastpos): Enforce assertion.
9922 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9924 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9925 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9926 (queue_to_ready): Use free_INSN_LIST_list.
9927 (early_queue_to_ready): Fix typo.
9928 (schedule_block): Init readyp. Move init_ready_list call after the
9929 initialization of clock_var. Fix error in rejecting insn by
9930 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9931 that previously corrected INSN_TICKs. Add code for handling
9933 (set_priorities): Fix typo.
9934 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9935 Clarify comment and code that keeps current_sched_info->next_tail
9938 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9940 * sched-rgn.c (extend_rgns): New static function.
9941 (find_rgns): Use it.
9942 (gather_region_statistics, print_region_statistics): New static
9944 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9945 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9947 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9948 Andrey Belevantsev <abel@ispras.ru>
9950 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9951 * lists.c (unused_deps_list): New variable.
9952 (free_list): Add assertions to verify the proper distinguishing
9953 between INSN_LISTs and DEPS_LISTs.
9954 (find_list_elem, remove_list_elem, remove_list_node): New static
9956 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9957 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9958 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9959 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9961 (free_INSN_LIST_node): Likewise.
9962 * modulo-sched.c (current_sched_info): Initialize flags field.
9963 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9964 * rtl.def (DEPS_LIST): Define.
9965 * rtl.h: Declare new functions from lists.c.
9966 * sched-deps.c (spec_dependency_cache): New static variable.
9967 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9968 (add_dependence): Change return type to void. Move the logic to ...
9969 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9970 (delete_all_dependences): Add comment about forward_dependency_cache.
9971 Handle spec_dependency_cache. Handle DEPS_LISTs.
9972 (fixup_sched_groups): Clarify the change of priority of output
9973 and anti dependencies.
9974 (sched_analyze_2): Adjust add_dependence calls to create data
9975 speculative dependence.
9976 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9977 Adjust all callers. Handle DEPS_LISTS.
9978 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9979 presence of speculation.
9980 (init_dependency_caches, free_dependency_caches):
9981 Handle spec_dependency_cache.
9982 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9983 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9984 New static functions.
9985 (add_or_update_back_dep, add_or_update_back_forw_dep,
9986 add_back_forw_dep, delete_back_forw_dep): New functions.
9987 * sched-int.h (ds_t, dw_t): New typedefs.
9988 (struct sched_info): Add new field flags.
9989 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9990 Prototype new sched-deps.c functions.
9991 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9992 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9993 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9994 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9995 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9996 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9998 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10000 * sched-rgn.c (current_sched_info): Initialize flags field.
10001 (schedule_insns): Initialize current_sched_info before the sched_init
10003 * sched-ebb.c (current_sched_info): Initialize flags field.
10004 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10005 Call add_or_update_back_dep instead of add_dependence.
10006 Create control speculative dependencies.
10007 (schedule_insns): Initialize current_sched_info before the sched_init
10010 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10012 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10014 (sh_fallback_frame_state): Likewise.
10016 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10018 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10019 Do switch on default_use_cxa_atexit.
10020 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10021 * config/darwin-crt3.o: New.
10022 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10023 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10024 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10026 * config/rs6000/t-darwin: Move crt2.o building to here.
10027 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10028 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10031 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10033 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10034 from '! xxx' to '!xxx' for coding-style conformance.
10035 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10036 (EXTRA_CONSTRAINT): Likewise.
10037 * config/vax/vax.md (four unnamed insns): Likewise.
10039 2006-03-15 Paul Brook <paul@codesourcery.com>
10041 * config/arm/arm.c (minipool_pad): New.
10042 (add_minipool_forward_ref): Include pool alignment padding in address
10044 (push_minipool_fix): Set minipool_pad.
10045 (minipool_pad): Ditto.
10047 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10049 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10050 instead of GET_CODE() == MEM and REG_P() instead of
10052 (print_operand_address): Likewise.
10053 (vax_address_cost): Likewise.
10054 (vax_rtx_costs): Likewise.
10055 (vax_notice_update_cc): Likewise.
10056 (vax_output_int_add): Likewise.
10057 (INDEX_REGISTER_P): Likewise.
10058 (BASE_REGISTER_P): Likewise.
10059 (nonindexed_address_p): Likewise.
10060 (vax_mode_dependent_address_p): Likewise.
10061 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10062 (PRINT_OPERAND): Likewise.
10063 * config/vax/vax.md (ashlsi3): Likewise.
10064 (ashlsi3): Likewise.
10065 (some more unnamed insns): Likewise.
10067 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10069 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10070 iterator-style macro.
10071 (mark_control_dependent_edges_necessary): Update the use of
10072 EXECUTE_IF_CONTROL_DEPENDENT.
10074 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10076 * config/sh/predicates.md (cache_address_operand): Special.
10077 (ua_address_operand): Likewise.
10079 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10081 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10083 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10085 2006-03-15 Andreas Schwab <schwab@suse.de>
10087 * gensupport.c (identify_predicable_attribute): Don't free p_false
10088 when it is still in use.
10090 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10092 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10093 the default setting here.
10095 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10097 * tree-pass.h (pass_cfg): Remove.
10098 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10099 * passes.c (pass_cfg): Don't run it.
10101 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10103 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10104 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10106 (stack_regs_mentioned): Update the uses of
10107 stack_regs_mentioned_data. Don't access the array beyond its
10109 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10110 Don't include gt-reg-stack.h.
10112 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10113 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10115 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10117 PR middle-end/26684
10118 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10121 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10123 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10125 2006-03-14 Richard Guenther <rguenther@suse.de>
10127 PR tree-optimization/26672
10128 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10131 2006-03-14 Richard Guenther <rguenther@suse.de>
10133 PR tree-optimization/26667
10134 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10135 node for the callees. Always allow inlining if it will shrink
10138 2006-03-14 Richard Guenther <rguenther@suse.de>
10140 PR middle-end/26659
10141 * builtins.c (get_pointer_alignment): Prefer alignment
10142 information from decls over that from types.
10144 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10147 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10149 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10151 * config/rs6000/rs6000.opt (mdlmzb): New option.
10152 (msched-prolog, msched-epilog): Use Var not Mask.
10153 * doc/invoke.texi (-mdlmzb): Document.
10154 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10156 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10157 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10159 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10161 PR rtl-optimization/25739
10162 * bt-load.c (augment_live_range): Free tos pointer.
10164 * gensupport.c (identify_predicable_attribute): Free
10166 * gcov.c (create_file_names): Free name pointer.
10168 2006-03-13 Roger Sayle <roger@eyesopen.com>
10170 PR middle-end/26557
10171 * stmt.c (emit_case_nodes): Handle the case where the index is a
10172 CONST_INT, where the comparison mode is specified by the index type.
10174 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10176 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10179 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10181 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10182 (*branch_fp_inverted): Likewise.
10184 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10186 PR middle-end/25989
10187 * omp-low.c (expand_omp_for_generic): Mark istart0
10188 and iend0 as addressable.
10190 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10192 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10194 2006-03-13 Jeff Law <law@redhat.com>
10196 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10197 virtual operands are interesting.
10198 (vrp_visit_stmt): Corresponding changes.
10200 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10202 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10204 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10205 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10206 * config/bfin/crti.S: Use it instead of __PIC__.
10207 * config/bfin/crtn.S: Likewise.
10209 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10210 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10212 Lose 'G' modifier for call operand.
10213 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10214 recognize 'G' modifier.
10216 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10218 PR middle-end/18859
10219 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10220 * stmt.c (expand_case): Likewise.
10222 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10224 PR rtl-optimization/26254
10225 * loop-invariant.c (seq_insns_valid_p): New function.
10226 (move_invariant_reg): Only emit new code if it is valid.
10228 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10230 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10232 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10233 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10234 (commit_one_edge_insertion): Do not look for loop notes.
10236 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10238 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10239 flag_test_coverage out of loop.
10241 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10243 * final.c (shorten_branches): Remove outdated comment, and turn
10244 the if branch that guards it to continue.
10246 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10248 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10249 * cfgloop.h (struct loop): Remove unused fields.
10251 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10253 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10254 (-dL, -fdump-rtl-loop2): Update the dump file names
10256 * doc/invoke.texi: Update dump file names.
10258 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10260 * predict.c (estimate_probability): Remove.
10261 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10262 * basic-block.h (estimate_probability): Remove prototype.
10263 * passes.c (finish_optimization_passes): Dump branch prediction or
10264 profiling heuristics to the .profile tree dump.
10265 (init_optimization_passes): Unqueue pass_branch_prob.
10267 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10269 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10271 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10272 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10274 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10276 * function.h (frame_offset_overflow): Declare.
10277 * function.c (frame_offset_overflow): New function.
10278 (assign_stack_local_1): Call it to detect that the offset overflows.
10279 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10281 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10283 * config/sh/sh.c: Include alloc-pool.h.
10284 (label_ref_list_pool): New alloc pool.
10285 (label_ref_list_t): New type for lists of labels.
10286 (struct pool_node): Make wend a label_ref_list_t.
10287 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10289 (dump_table): Likewise.
10290 (sh_reorg): Set up the alloc pool before using add_constant and
10291 dump_table, and destroy it when finishing.
10293 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10295 * config/mips/mips.c: Remove redundant comment.
10297 2006-03-10 Jason Merrill <jason@redhat.com>
10300 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10301 the target was declared 'register'.
10303 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10305 * genpreds.c (write_insn_constraint_len): Change definition of
10306 insn_constraint_len to return size_t to match the declaration.
10308 2006-03-10 DJ Delorie <dj@redhat.com>
10310 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10312 (m32c_expand_insv): Fix test for an AND mask.
10314 2006-03-10 Richard Guenther <rguenther@suse.de>
10316 PR middle-end/26565
10317 * builtins.c (get_pointer_alignment): Handle component
10318 references for field alignment.
10320 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10322 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10323 when building with libgloss.
10324 (sh*elf): Implement --without-fp option.
10325 (sh64-superh-linux*): Don't multilib.
10327 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10329 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10331 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10333 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10334 Set it when one of the replacement functions returned true.
10335 Return TODO_cleanup_cfg if cfgchanged is true.
10336 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10338 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10340 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10341 instead of gen_lowpart.
10343 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10345 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10347 (mips_output_order_conditional_branch): Declare.
10348 * config/mips/mips.h (MIPS_BRANCH): New macro.
10349 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10350 for the comparison. Use gen_condjump.
10351 (mips_output_conditional_branch): Rework interface to take the
10352 asm templates for a direct branch and the inverse of a direct branch.
10353 (mips_output_order_conditional_branch): New function.
10354 (mips_builtin_branch_and_move): New function.
10355 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10356 branch condition. Use gen_single_cc as the condition for
10357 __builtin_mips_upper_* or __builtin_mips_lower_*.
10358 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10359 Use VOIDmode for the branch condition.
10360 * config/mips/predicates.md (order_operator): New predicate.
10361 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10362 (branch_fp): Rename to...
10363 (*branch_fp): ...this. Remove mode from comparison operator.
10364 Use new mips_output_conditional_branch interface.
10365 (branch_fp_inverted): Rename to...
10366 (*branch_fp_inverted): ...this and update as for *branch_fp.
10367 (*branch_zero<mode>): Rename to...
10368 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10369 Use mips_output_order_conditional_branch. Only accept ordered
10371 (*branch_zero<mode>_inverted): Rename to...
10372 (*branch_order<mode>_inverted): ...this and update as for
10373 *branch_order<mode>.
10374 (*branch_equality<mode>): Accept zero as the second operand to
10375 the equality operator. Use the new mips_output_conditional_branch
10377 (*branch_equality<mode>_inverted): Likewise.
10378 (condjump): New expander.
10379 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10381 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10382 (bc1any2t, bc1any2f): Likewise.
10383 (single_cc): New expander.
10384 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10386 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10388 * doc/md.texi: Update documentation of MIPS constraints.
10389 * config/mips/constraints.md: New file.
10390 * config/mips/mips.md: Include it.
10391 * config/mips/mips.c (mips_char_to_class): Delete.
10392 (override_options): Don't initialize mips_char_to_class.
10393 * config/mips/mips.h (mips_char_to_class): Delete.
10394 (REG_CLASS_FROM_LETTER): Delete.
10395 (CONST_OK_FOR_LETTER_P): Delete.
10396 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10397 (EXTRA_CONSTRAINT_Y): Delete.
10398 (EXTRA_CONSTRAINT_STR): Delete.
10399 (CONSTRAINT_LEN): Delete.
10400 (EXTRA_MEMORY_CONSTRAINT): Delete.
10402 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10404 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10405 original fn's eh regions.
10407 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10409 * fold-const.c (build_range_check): Make sure to use a valid type to
10410 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10413 (range_predecessor): New static function.
10414 (range_successor): Likewise.
10415 (merge_ranges): Use them to compute predecessors and successors of
10418 2006-03-09 Roger Sayle <roger@eyesopen.com>
10420 PR middle-end/26561
10421 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10422 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10424 2006-03-08 DJ Delorie <dj@redhat.com>
10426 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10427 (addpsi3): Expand to include memory operands. Remove
10428 reload-specific splits.
10429 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10430 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10431 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10432 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10433 (shift1_qi, shift1_hi, insv): New.
10434 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10435 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10436 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10438 * config/m32c/m32c-protos.h: Update as needed.
10439 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10440 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10441 Fail for unrecognized R* constraints.
10442 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10443 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10444 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10446 (m32c_init_libfuncs): New.
10447 (m32c_legitimate_address_p): Add debug wrapper.
10448 (m32c_rtx_costs): New.
10449 (m32c_address_cost): New.
10450 (conversions): Add 'B' prefix.
10451 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10452 operands, or word regnames for QI operands. 'B' prints bit
10454 (m32c_expand_setmemhi): New.
10455 (m32c_expand_movmemhi): New.
10456 (m32c_expand_movstr): New.
10457 (m32c_expand_cmpstr): New.
10458 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10459 (m32c_expand_neg_mulpsi3): Handle non-ints.
10460 (m32c_cmp_flg_0): New.
10461 (m32c_expand_movcc): New.
10462 (m32c_expand_insv): New.
10463 (m32c_scc_pattern): New.
10464 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10465 a0/a1 out of SIregs.
10466 (STORE_FLAG_VALUE): New.
10467 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10470 * config/m32c/mov.md: Make constraints more liberal.
10471 (zero_extendqihi2): Optimize r0/r1 case.
10472 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10473 * config/m32c/predicates.md (m32c_any_operand): New.
10474 (m32c_nonimmediate_operand): New.
10475 (m32c_hl_operand): New.
10476 (m32c_r3_operand): New.
10479 (memsym_operand): New.
10480 (memimmed_operand): New.
10481 (a_qi_operand): New.
10482 (m32c_eqne_operator): New.
10483 (m32c_1bit8_operand): New.
10484 (m32c_1bit16_operand): New.
10485 (m32c_1mask8_operand): New.
10486 (m32c_1mask16_operand): New.
10487 * config/m32c/blkmov.md: New file.
10488 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10490 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10492 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10493 unsigned to fix signed/unsigned comparison issue in
10494 DWARF2_FRAME_REG_OUT.
10495 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10496 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10498 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10499 of ptr into the ENABLE_CHECKING section.
10501 2006-03-08 Jeff Law <law@redhat.com>
10503 * tree-vrp.c (infer_value_range): Only count pointer uses
10504 and dereferences if -fdelete-null-pointer-checks is enabled.
10506 * tree-vrp.c (find_assert_locations): Infer value ranges for
10507 single use pointers, but do not create ASSERT_EXPRs for them.
10508 When a non-null range is inferred for a pointer, backwards
10509 propagate that range to other equivalent pointers through the
10512 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10515 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10516 language hook targets.
10517 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10518 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10519 if language hook targets were missing.
10521 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10523 * tree-ssa-opfinalize.h: Removed.
10524 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10526 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10527 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10528 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10529 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10530 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10531 finalize_ssa_v_must_def_ops): New.
10533 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10535 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10536 block as parameter.
10538 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10540 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10542 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10543 addresses with offsets; reorganize.
10545 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10546 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10547 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10549 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10552 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10554 2006-03-08 Ben Elliston <bje@au.ibm.com>
10556 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10558 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10561 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10564 2006-03-07 Richard Guenther <rguenther@suse.de>
10566 PR tree-optimization/26587
10567 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10569 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10571 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10573 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10575 * hooks.c (hook_bool_mode_rtx_true): New function.
10576 * hooks.h (hook_bool_mode_rtx_true): Declare.
10577 * toplev.c (compile_file): Call output_shared_constant_pool.
10578 * varasm.c (shared_constant_pool): New variable.
10579 (assemble_start_function, assemble_end_function): Remove arguments
10580 from call to output_constant_pool.
10581 (create_constant_pool): New function, split out from...
10582 (init_varasm_status): ...here.
10583 (force_const_mem): Choose between the shared and per-function constant
10584 pools. Set current_function_uses_const_pool when reusing old entries
10585 as well as when creating new ones.
10586 (mark_constant): Ignore data argument.
10587 (mark_constants): Remove pool argument.
10588 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10589 to decide whether the function uses a constant pool.
10590 (output_constant_pool_contents): New function, split out from...
10591 (output_constant_pool): ...here.
10592 (output_shared_constant_pool): New function.
10593 (init_varasm_once): Initialize shared_constant_pool.
10594 * output.h (output_constant_pool): Delete.
10595 (output_shared_constant_pool): Declare.
10596 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10597 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10599 2006-03-06 Nick Clifton <nickc@redhat.com>
10601 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10602 flag_strength_reduce.
10604 2006-03-06 Ben Elliston <bje@au.ibm.com>
10606 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10607 x86_64-*-linux* configurations.
10609 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10610 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10612 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10614 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10616 * basic-block.h: Remove the extern for
10617 rediscover_loops_after_threading.
10619 * cfgloop.c (cancel_loop): Make it static.
10620 * cfgloop.h: Remove the prototype for cancel_loop.
10622 * flow.c (recompute_reg_usage): Make it static.
10623 * rtl.h: Remove the prototype for recompute_reg_usage.
10625 * function.c (use_return_register): Make it static.
10626 * function.h: Remove the prototype.
10628 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10630 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10632 * recog.h: Remove the prototype for
10633 validate_change_maybe_volatile.
10635 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10637 * rtlanal.c (replace_reg): Remove.
10638 * rtl.h: Remove the prototype for replace_reg.
10640 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10642 * regclass.c (reg_scan_update): Remove.
10643 (reg_scan_mark_refs): Remove the last argument.
10644 * rtl.h: Remove the prototype for reg_scan_update.
10646 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10648 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10649 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10650 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10651 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10652 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10653 loop-invariant.c, omp-low.c, opts.c, passes.c,
10654 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10655 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10656 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10657 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10658 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10659 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10661 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10663 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10664 * dwarf2out.h: Remove the prototype for
10665 dwarf2out_add_library_unit_info.
10667 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10669 * tree.c (add_var_to_bind_expr): Remove.
10670 * tree.h: Remove the prototype for add_var_to_bind_expr.
10672 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10674 * regclass.c (n_non_fixed_regs): Remove.
10675 (init_reg_sets_1, globalize_reg): Remove all uses of
10677 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10679 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10681 * rtlanal.c (insns_safe_to_move_p): Remove.
10682 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10684 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10686 * expmed.c (expand_mult_add): Remove.
10687 * expr.h: Remove the prototype for expand_mult_add.
10689 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10691 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10692 and REG_SAVED_VAL_EXP constants.
10693 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10694 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10695 Handle regs stored by value.
10696 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10697 (execute_cfa_program): Handle DW_CFA_val_offset,
10698 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10699 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10700 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10701 (uw_install_context_1): Handle target regs stored by value.
10703 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10705 * tree-sra.c (tree_sra): Return todoflags;
10706 (generate_one_element): Set TODO_update_smt_usage if needed.
10707 (pass_sra): Remove TODO_update_smt_usage.
10708 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10710 (tree_ssa_forward_propagate_single_use_vars): Return
10711 TODO_update_smt_usage if we need to update SMT usage.
10712 (pass_forwprop): Remove TODO_update_smt_usage.
10714 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10716 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10717 (correct_use_link): Remove reference to get_stmt_operands.
10718 (update_stmt_operands): Likewise.
10719 (get_modify_expr_operands): New function factored out of
10720 parse_ssa_operands and get_expr_operands.
10721 Try to create V_MUST_DEFs for LHS by default.
10722 (get_expr_operands) <case MODIFY_EXPR>: Call
10723 get_modify_expr_operands.
10724 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10725 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10726 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10727 get_modify_expr_operands.
10729 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10731 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10732 * tree-flow.h: Remove the prototype for
10733 referenced_var_lookup_if_exists.
10735 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10737 PR rtl-optimization/26345
10739 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10741 2006-03-03 Roger Sayle <roger@eyesopen.com>
10743 PR tree-optimization/26524
10744 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10745 fold_convert to create a constant of the appropriate type.
10747 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10749 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10750 SYMBOL_REF_IN_BLOCK_P.
10751 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10752 of SYMBOL_FLAG_IN_BLOCK.
10753 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10754 instead of SYMBOL_REF_IN_BLOCK_P.
10755 * explow.c (use_anchored_address): Likewise.
10756 * rtl.c (rtx_size): Likewise.
10757 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10758 instead of SYMBOL_FLAG_IN_BLOCK.
10759 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10760 SYMBOL_REF_IN_BLOCK_P.
10761 (assemble_variable): Likewise.
10762 (output_constant_def_contents): Likewise.
10763 (output_constant_pool): Likewise.
10764 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10765 instead of SYMBOL_FLAG_IN_BLOCK.
10766 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10767 SYMBOL_REF_IN_BLOCK_P.
10768 (SYMBOL_REF_BLOCK): Likewise.
10769 (SYMBOL_REF_OFFSET): Likewise.
10770 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10771 SYMBOL_REF_IN_BLOCK_P.
10772 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10773 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10774 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10775 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10777 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10779 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10781 2006-03-02 Roger Sayle <roger@eyesopen.com>
10783 * simplify-rtx.c (simplify_unary_operation): When simplifying
10784 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10785 that we perform the right shift in the appropriate mode, and
10786 then extend or truncate the result to requested mode.
10788 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10790 * gengtype.c (main): Handle double_int type.
10791 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10792 * double-int.c: New file.
10793 * double-int.h: New file.
10794 * system.h: Include doubleint.h.
10795 * Makefile.in (SYSTEM_H): Include double-int.h.
10796 (double-int.o): Add.
10798 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10801 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10804 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10806 * tree-vrp.c (remove_range_assertions): Do not update statements
10809 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10811 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10813 * gcse.c (rest_of_handle_gcse): Ditto.
10814 * except.c (gate_handle_eh): Ditto.
10815 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10816 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10818 2006-03-02 Eric Christopher <echristo@apple.com>
10820 * config/i386/i386.c (machopic_output_stub): Add indirection to
10823 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10827 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10829 Sun Niagara specific optimizations.
10830 * config.gcc: Recognize niagara as target.
10831 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10832 (TARGET_CPU_niagara): Define.
10833 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10834 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10835 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10836 (ASM_CPU_SPEC): Likewise.
10837 (PROCESSOR_NIAGARA): New enum entry.
10838 (REGISTER_MOVE_COST): Handle Niagara.
10839 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10840 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10841 (sparc_override_options): Recognize "niagara", set appropriate
10842 default MASK_* values for it, and align functions to 32-bytes
10843 by default just like ULTRASPARC/ULTRASPARC3.
10844 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10845 (sparc64_initialize_trampoline): Likewise.
10846 (sparc_use_sched_lookahead): Use zero for niagara.
10847 (sparc_issue_rate): Use one for niagara.
10848 * config/sparc/niagara.md: New file.
10849 * config/sparc/sparc.md: Include it.
10850 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10851 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10852 when default cpu is niagara.
10853 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10854 (ASM_CPU_SPEC): Likewise.
10855 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10856 when default cpu is niagara.
10857 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10858 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10859 just like v9/ultrasparc/ultrasparc3.
10860 * doc/invoke.texi: Add documentation for "niagara" and improve
10861 existing documentation for ultrasparc variants.
10863 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10865 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10867 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10869 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10870 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10871 and say that only one is needed.
10872 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10873 * target.h (have_switchable_bss_sections): New hook.
10874 * explow.c (use_anchored_address): Check that the symbol is in a block.
10875 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10876 (bss_noswitch_section): New variables.
10877 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10878 (get_noswitch_section): New function.
10879 (get_block_for_section): Allow SECT to be null.
10880 (unlikely_text_section_p): Use SECTION_STYLE.
10881 (bss_initializer_p): New function.
10882 (get_variable_section): Move earlier in file. Take a new argument,
10883 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10884 Return one of the new *_sections in such cases.
10885 (get_block_for_decl): New function, extracting some logic from
10886 use_blocks_for_decl_p.
10887 (change_symbol_section): Remove in favor of...
10888 (change_symbol_block): ...this new function.
10889 (use_blocks_for_decl_p): Remove checks now performed by
10890 get_block_for_decl.
10891 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10892 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10893 (emit_local, emit_bss, emit_common): ...these new functions.
10894 Return true if the alignment was honored.
10895 (emit_tls_common): New function.
10896 (asm_emit_uninitialised): Delete.
10897 (assemble_variable_noswitch): New function, split out from...
10898 (assemble_variable): ...here. Don't make decisions about common
10899 variables here. Globalize all public decls that go into non-common
10900 sections. Check whether SYMBOL_REF_BLOCK is null.
10901 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10902 (output_constant_pool): Likewise.
10903 (init_varasm_once): Initialize the new section variables.
10904 (have_global_bss_p): New function.
10905 (categorize_decl_for_section): Use bss_initializer_p.
10906 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10907 (place_block_symbol): Assert that the symbol must be in a block.
10908 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10909 (TARGET_INITIALIZER): Include it.
10910 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10911 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10912 (SECTION_MACH_DEP): Bump by two.
10913 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10914 (unnamed_section): Mention SECTION_UNNAMED in comment.
10915 (named_section): Likewise SECTION_NAMED.
10916 (noswitch_section_callback): New type.
10917 (noswitch_section): New structure.
10918 (section): Add a noswitch_section alternative.
10919 (SECTION_STYLE): New macro.
10920 (tls_comm_section, comm_section, lcomm_section): Declare.
10921 (bss_noswitch_section, have_global_bss_p): Declare.
10922 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10923 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10925 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10926 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10929 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10931 * tree-vrp.c (execute_vrp): Return value.
10932 * regrename.c (rest_of_handle_regrename): Ditto.
10933 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10934 * tree-complex.c (tree_lower_complex): Ditto.
10935 (tree_lower_complex_O0): Ditto.
10936 * tracer.c (rest_of_handle_tracer): Ditto.
10937 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10938 * postreload.c (rest_of_handle_postreload): Ditto.
10939 * tree-tailcall.c (execute_tail_recursion): Ditto.
10940 (execute_tail_calls): Ditto.
10941 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10942 * tree.h (init_function_for_compilation): Ditto.
10943 * ipa-cp.c (ipcp_driver): Ditto.
10944 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10945 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10946 * final.c (compute_alignments): Ditto.
10947 (rest_of_handle_final): Ditto.
10948 (rest_of_handle_shorten_branches): Ditto.
10949 (rest_of_clean_state): Ditto.
10950 * omp-low.c (execute_expand_omp): Ditto.
10951 (execute_lower_omp): Ditto.
10952 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10953 * ipa-reference.c (static_execute): Ditto.
10954 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10955 * reorg.c (rest_of_handle_delay_slots): Ditto.
10956 (rest_of_handle_machine_reorg): Ditto.
10957 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10958 * flow.c (recompute_reg_usage): Ditto.
10959 (rest_of_handle_remove_death_notes): Ditto.
10960 (rest_of_handle_life): Ditto.
10961 (rest_of_handle_flow2): Ditto.
10962 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10963 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10964 (do_ssa_store_ccp): Ditto.
10965 (execute_fold_all_builtins): Ditto.
10966 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10967 * modulo-sched.c (rest_of_handle_sms): Ditto.
10968 * ipa-pure-const.c (static_execute): Ditto.
10969 * cse.c (rest_of_handle_cse): Ditto.
10970 (rest_of_handle_cse2): Ditto.
10971 * web.c (rest_of_handle_web): Ditto.
10972 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10973 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10974 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10975 * tree-nrv.c (tree_nrv): Ditto.
10976 (execute_return_slot_opt): Ditto.
10977 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10978 (create_structure_vars): Ditto.
10979 * loop-init.c (rtl_loop_init): Ditto.
10980 (rtl_loop_done): Ditto.
10981 (rtl_move_loop_invariants): Ditto.
10982 (rtl_unswitch): Ditto.
10983 (rtl_unroll_and_peel_loops): Ditto.
10984 (rtl_doloop): Ditto.
10985 * gimple-low.c (lower_function_body): Ditto.
10986 (mark_used_blocks): Ditto.
10987 * tree-ssa-sink.c (execute_sink_code): Ditto.
10988 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10989 (cgraph_early_inlining): Ditto.
10990 * global.c (rest_of_handle_global_alloc): Ditto.
10991 * jump.c (cleanup_barriers): Ditto.
10992 (purge_line_number_notes): Ditto.
10993 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10994 (rest_of_handle_if_after_reload): Ditto.
10995 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10996 (tree_ssa_loop_im): Ditto.
10997 (tree_ssa_loop_unswitch): Ditto.
10998 (tree_vectorize): Ditto.
10999 (tree_linear_transform): Ditto.
11000 (tree_ssa_loop_ivcanon): Ditto.
11001 (tree_ssa_empty_loop): Ditto.
11002 (tree_ssa_loop_bounds): Ditto.
11003 (tree_complete_unroll): Ditto.
11004 (tree_ssa_loop_prefetch): Ditto.
11005 (tree_ssa_loop_ivopts): Ditto.
11006 (tree_ssa_loop_done): Ditto.
11007 * predict.c (tree_estimate_probability): Ditto.
11008 * recog.c (split_all_insns_noflow): Ditto.
11009 (rest_of_handle_peephole2): Ditto.
11010 (rest_of_handle_split_all_insns): Ditto.
11011 * tree-eh.c (lower_eh_constructs): Ditto.
11012 * regmove.c (rest_of_handle_regmove): Ditto.
11013 (rest_of_handle_stack_adjustments): Ditto.
11014 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11015 * function.c (instantiate_virtual_regs): Ditto.
11016 (init_function_for_compilation): Ditto.
11017 (rest_of_handle_check_leaf_regs): Ditto.
11018 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11019 (rest_of_handle_gcse): Ditto.
11020 * ipa-type-escape.c (type_escape_execute): Ditto.
11021 * alias.c (rest_of_handle_cfg): Ditto.
11022 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11023 * profile.c (rest_of_handle_branch_prob): Ditto.
11024 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11025 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11026 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11027 * tree-dfa.c (find_referenced_vars): Ditto.
11028 * except.c (set_nothrow_function_flags): Ditto.
11029 (convert_to_eh_region_ranges): Ditto.
11030 (rest_of_handle_eh): Ditto.
11031 * emit-rtl.c (unshare_all_rtl): Ditto.
11032 (remove_unnecessary_notes): Ditto.
11033 * except.h (set_nothrow_function_flags): Ditto.
11034 (convert_to_eh_region_ranges): Ditto.
11035 * cfgexpand.c (tree_expand_cfg): Ditto.
11036 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11037 * tree-ssa-pre.c (do_pre): Ditto.
11038 (execute_fre): Ditto.
11039 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11040 (rest_of_handle_jump2): Ditto.
11041 * tree-sra.c (tree_sra): Ditto.
11042 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11043 (execute_mudflap_function_decls): Ditto.
11044 * tree-ssa-copy.c (do_copy_prop): Ditto.
11045 (do_store_copy_prop): Ditto.
11046 * ipa-prop.h (ipcp_driver): Ditto.
11047 * cfglayout.c (insn_locators_initialize): Ditto.
11048 * tree-ssa-forwprop.c
11049 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11050 * cfglayout.h (insn_locators_initialize): Ditto.
11051 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11052 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11053 (execute_late_warn_uninitialized): Ditto.
11054 * rtl.h (cleanup_barriers): Ditto.
11055 (split_all_insns_noflow): Ditto.
11056 (purge_line_number_notes): Ditto.
11057 (unshare_all_rtl): Ditto.
11058 (remove_unnecessary_notes): Ditto.
11059 (recompute_reg_usage): Ditto.
11060 (variable_tracking_main): Ditto.
11061 * integrate.c (emit_initial_value_sets): Ditto.
11062 * integrate.h (emit_initial_value_sets): Ditto.
11063 * tree-optimize.c (execute_free_datastructures): Ditto
11064 (execute_free_cfg_annotations): Ditto.
11065 (execute_fixup_cfg): Ditto.
11066 (execute_cleanup_cfg_pre_ipa): Ditto.
11067 (execute_cleanup_cfg_post_optimizing): Ditto.
11068 (execute_init_datastructures): Ditto.
11069 * tree-object-size.c (compute_object_sizes): Ditto.
11070 * combine.c (rest_of_handle_combine): Ditto.
11071 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11072 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11073 (rest_of_handle_reorder_blocks): Ditto.
11074 (rest_of_handle_partition_blocks): Ditto.
11075 * var-tracking.c (variable_tracking_main): Ditto.
11076 * tree-profile.c (tree_profiling): Ditto.
11077 * tree-vect-generic.c (expand_vector_operations): Ditto.
11078 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11079 * sched-rgn.c (rest_of_handle_sched): Ditto.
11080 (rest_of_handle_sched2): Ditto.
11081 * basic-block.h (free_bb_insn): Ditto.
11082 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11083 * tree-cfg.c (execute_build_cfg): Ditto.
11084 (remove_useless_stmts): Ditto.
11085 (split_critical_edges): Ditto.
11086 (execute_warn_function_return): Ditto.
11087 (execute_warn_function_noreturn): Ditto.
11088 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11089 * cfgrtl.c (free_bb_for_insn): Ditto.
11090 * passes.c (execute_one_pass): Run additional
11091 todos returned by execute function.
11092 * tree-pass.h (struct tree_opt_pass): Make execute
11095 2006-03-02 Richard Guenther <rguenther@suse.de>
11097 * tree-ssa-alias.c (find_used_portions): Consider taking
11098 the address as making the variable not write-only.
11100 2006-03-02 Nick Clifton <nickc@redhat.com>
11102 * config.gcc (default_use_cxa_atexit): Extend the description of
11103 this configure variable. Set its default value to "yes" for
11104 Linux, NetBSD and ELF targets on the assumption that they will
11105 use C libraries with the __cxa_atexit function.
11107 2006-03-02 Ben Elliston <bje@au.ibm.com>
11109 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11110 parameter as unused to suppress a build warning.
11112 2006-03-02 Ben Elliston <bje@au.ibm.com>
11114 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11117 2006-03-01 Roger Sayle <roger@eyesopen.com>
11120 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11121 declared name, the weak reference name, and the typeof name.
11122 (__gthrw): Avoid expanding the declared name suffix.
11123 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11125 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11127 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11129 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11130 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11131 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11132 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11133 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11134 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11135 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11136 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11137 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11138 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11139 (DW_END_default, DW_END_big, DW_END_little): New.
11140 (DW_END_lo_user, DW_END_hi_user): Define.
11141 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11142 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11143 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11146 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11148 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11150 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11152 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11154 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11156 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11157 to 'symbol_mem_tag'.
11159 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11162 2006-03-01 Roger Sayle <roger@eyesopen.com>
11164 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11166 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11169 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11170 MACHO_DYNAMIC_NO_PIC_P.
11171 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11173 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11176 * config/darwin-protos.h (darwin_asm_output_anchor):
11178 * config/darwin-sections.def (cstring_section):
11179 Add SECTION_MERGE to the flags.
11180 (literal4_section): Likewise.
11181 (literal8_section): Likewise.
11182 (objc_selector_refs_section): Likewise.
11183 (objc_cls_refs_section): Likewise.
11184 * config/darwin.c (darwin_asm_output_anchor): New
11186 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11188 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11190 Fix PR tree-optimization/26443
11191 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11192 to todo and PROP_tmt_usage to properties_destroyed.
11193 * tree-ssa-ccp.c (pass_ccp): Ditto.
11194 (pass_store_ccp): Ditto.
11195 * tree-ssa-dom.c (pass_dominator): Ditto.
11197 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11199 * tree-ssa-operands.c: Cleanup whitespace.
11200 (get_asm_expr_operands): Move before first invocation.
11201 (get_indirect_ref_operands): Likewise.
11202 (get_tmr_operands): Likewise.
11203 (get_call_expr_operands): Likewise.
11204 (append_def): Likewise.
11205 (append_use): Likewise.
11206 (append_v_may_def): Likewise.
11207 (append_v_must_def): Likewise.
11208 (add_call_clobber_ops): Likewise.
11209 (add_call_read_ops): Likewise.
11210 (add_stmt_operand): Likewise.
11211 (add_virtual_operand): Likewise.
11212 (build_ssa_operands): Likewise.
11214 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11216 PR middle-end/26022
11218 PR middle-end/24437
11219 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11220 with a call expr to ...
11221 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11223 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11225 * tree-vrp.c (extract_range_from_assert): Remove special
11226 handling for types with super-types.
11228 2006-03-01 Ben Elliston <bje@au.ibm.com>
11230 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11231 and powerpc64-*-linux* configurations.
11232 * config/t-dfprules: New file.
11234 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11235 Compile dfp-bit.c from the source directory using -DWIDTH and
11236 $DFP_CFLAGS to control the compilation of that file, rather than
11237 generating width-specific versions in the build directory.
11238 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11239 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11241 2006-02-28 Zack Weinberg <zackw@panix.com>
11243 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11246 2006-02-28 Eric Christopher <echristo@apple.com>
11248 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11249 Set up IN_LIBGCC definition of TARGET_64BIT.
11250 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11252 2006-02-28 Roger Sayle <roger@eyesopen.com>
11254 PR middle-end/14752
11255 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11256 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11257 cases via the construction of "expr != 0".
11259 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11261 * alias.c (alias_invariant, alias_invariant_size): Remove.
11262 (record_base_value): Remove.
11263 (memrefs_conflict_p): Don't look at alias_invariant.
11264 (end_alias_analysis): Don't free it.
11265 * alias.h (record_base_value): Remove prototype.
11267 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11268 Adam Nemet <anemet@caviumnetworks.com>
11270 * rtl.h (truncated_to_mode): Declare it.
11271 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11272 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11273 (RTL_HOOKS_INITIALIZER): Include it.
11274 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11275 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11276 reg_truncated_to_mode.
11277 * rtlanal.c (truncated_to_mode): Define it.
11278 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11280 2006-02-28 Jeff Law <law@redhat.com>
11282 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11283 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11284 the range allowed by TYPE_PRECISION.
11286 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11288 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11290 PR tree-optimization/26419
11291 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11294 2006-02-27 Zack Weinberg <zackw@panix.com>
11296 * doc/md.texi: Fix typo in previous change.
11298 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11302 2006-02-27 Zack Weinberg <zackw@panix.com>
11304 * rtl.def (define_constraint, define_register_constraint)
11305 (define_memory_constraint, define_address_constraint): New MD forms.
11306 * gensupport.c (process_rtx): Put define_constraint etc on the
11308 * genpreds.c (process_define_predicate): Adjust comment. Validate
11309 the name, and call validate_exp to validate the expression.
11310 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11311 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11312 all callers changed.
11313 (validate_exp, needs_variable, struct constraint_data)
11314 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11315 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11316 (const_dbl_constraints, constraint_max_namelen)
11317 (have_register_constraints, have_memory_constraints)
11318 (have_address_constraints, have_address_constraints)
11319 (have_extra_constraints, have_const_int_constraints)
11320 (have_const_dbl_constraints, mangle, add_constraint)
11321 (process_define_constraint, process_define_register_constraint)
11322 (write_enum_constraint_num, write_lookup_constraint)
11323 (write_insn_constraint_len, write_regclass_for_constraint)
11324 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11325 (write_insn_extra_memory_constraint)
11326 (write_insn_extra_address_constraint)
11327 (write_satisfies_constraint_fns): New.
11328 (write_tm_preds_h): If we have new-style constraint definitions,
11329 prototype the functions generated from them, and define the
11330 old constraint interface (still used by generic code) in terms of
11332 (write_insn_preds_c): If we have new-style constraint definitions,
11333 generate all relevant functions from those definitions.
11334 (main): Handle define_constraint etc.
11335 * genoutput.c (struct constraint_data, indep_constraints)
11336 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11337 (mdep_constraint_len): New data structures and functions, defined
11338 #ifdef USE_MD_CONSTRAINTS.
11339 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11340 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11341 use new logic to validate operand constraints against constraint
11343 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11345 * defaults.h: If none of the old-style constraint macros are
11346 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11347 old-style macros; and poison REG_CLASS_FROM_LETTER,
11348 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11350 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11351 * doc/md.texi: Document new constraint-definition mechanism and the
11352 C interface it provides. Remove references to old mechanism
11353 elsewhere in the document.
11354 (Machine Constraints): Use pathnames relative to gcc directory,
11355 i.e. config/ARCH/FILE. Change i386 section to refer to
11356 config/i386/predicates.md; update that section to match docstrings.
11357 * doc/tm.texi: Move all documentation of the old constraint-
11358 definition macros to their own section, clearly mark as obsolete.
11360 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11361 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11363 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11364 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11365 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11366 constraint strings.
11367 (splits and peepholes): Use satisfies_constraint_*.
11368 * config/i386/i386.c (memory_address_length)
11369 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11371 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11373 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11374 scalar operation to be put back into the loop.
11376 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11379 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11380 (extract_cie_info): Handle S flag in augmentation string.
11381 (execute_cfa_program): If context->signal_frame, execute also
11382 fs->pc == context->ra instructions.
11383 (uw_frame_state_for): If context->signal_frame, don't subtract one
11384 from context->ra to find FDE.
11385 (uw_update_context_1): Set context->signal_frame to
11387 (_Unwind_GetIPInfo): New function.
11388 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11389 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11391 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11392 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11393 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11394 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11395 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11396 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11397 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11398 x86_64_fallback_frame_state): Set fs->signal_frame.
11399 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11400 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11401 (frob_update_context): Likewise. Workaround missing S flag in
11402 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11403 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11404 Remove the psw_addr + 1 hack.
11406 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11408 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11409 with aggregates here.
11410 (find_func_aliases): Remove code for &<aggregate> from here.
11412 2006-02-26 Roger Sayle <roger@eyesopen.com>
11414 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11415 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11416 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11417 as (X & C) ne/eq 0.
11419 2006-02-26 Roger Sayle <roger@eyesopen.com>
11421 PR middle-end/19983
11422 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11424 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11426 * opts.c (decode_options): Do not handle flag_strength_reduce.
11427 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11428 and OPT_fstrength_reduce.
11429 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11430 flag_prefetch_loop_arrays for being nonzero.
11431 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11433 (fprefetch-loop-arrays-rtl): Removed.
11434 (flag_prefetch_loop_arrays): Do not specify the value.
11436 * doc/passes.texi: Update documentation of loop optimizer
11438 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11439 -frerun-loop-opt): Remove.
11441 2006-02-26 Richard Guenther <rguenther@suse.de>
11443 PR tree-optimization/26421
11444 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11445 in function calls that are ADDR_EXPRs as using the whole structure.
11447 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11449 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11450 * tree-pass.h (pass_loop_optimize): Remove.
11451 * passes.c (pass_loop_optimize): Never run it.
11452 * toplev.c (backend_init): Don't call init_loop.
11453 * opts.c (flag_loop_optimize_set): Remove.
11454 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11455 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11456 the old RTL loop optimizer when profiling enabled.
11457 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11458 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11459 pre-headers for the sake of the old RTL loop optimizer.
11460 * Makefile.in: Remove all references to loop.o.
11462 * doc/invoke.texi: Remove all references to -floop-optimize
11463 and -frerun-loop-opt.
11465 2006-02-26 Zack Weinberg <zackw@panix.com>
11467 * doc/md.texi (Machine Constraints): Refer to all files with paths
11468 relative to gcc directory (i.e. config/CPU/file). Add missing
11469 @table @code ... @end table to M32C subsection.
11471 2006-02-26 Roger Sayle <roger@eyesopen.com>
11473 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11475 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11477 2006-02-26 Roger Sayle <roger@eyesopen.com>
11478 James A. Morrison <phython@gcc.gnu.org>
11480 PR middle-end/21137
11481 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11482 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11483 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11484 signedness of the shift operation.
11486 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11488 PR tree-optimization/26359
11489 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11491 2006-02-25 Roger Sayle <roger@eyesopen.com>
11493 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11494 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11495 as X == 0, and some symmetry related transformations.
11496 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11498 2006-02-25 Roger Sayle <roger@eyesopen.com>
11500 PR middle-end/23673
11501 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11502 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11503 symmetry related transformations. Fold (X^C1) == C2 as
11506 2006-02-25 Juergen Weigert <jw@suse.de>
11507 Richard Guenther <rguenther@suse.de>
11509 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11511 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11513 * combine.c (gen_lowpart_or_truncate): Call
11514 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11516 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11518 * doc/invoke.texi: Move -fopenmp description to "Options for
11520 Remove reference to -lgomp.
11522 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11524 * doc/install.texi: Require GNU tar version 1.14.
11526 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11528 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11529 * doc/invoke.texi (C++ Dialect Options): Document
11530 -fno-use-cxa-get-exception-ptr.
11531 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11532 * configure: Regenerate.
11533 * c.opt (fuse-cxa-get-exception-ptr): New.
11534 * c-opts.c (c_common_handle_option): Handle
11535 OPT_fuse_cxa_get_exception_ptr.
11536 * c-common.c (flag_use_cxa_atexit): Update documentation.
11537 (flag_use_cxa_get_exception_ptr): New.
11538 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11539 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11541 (C_COMMON_OVERRIDE_OPTIONS): New.
11543 2006-02-24 Roger Sayle <roger@eyesopen.com>
11545 PR middle-end/24952
11546 * combine.c (try_combine): Explicitly check whether GET_CODE is
11547 a SET or a CLOBBER, instead on checking that it isn't a USE.
11549 2006-02-24 Roger Sayle <roger@eyesopen.com>
11551 * fold-const.c (fold_comparison): New subroutine of fold_binary
11552 containing transformations common to both the equality and
11553 ordering relational operators, factored out of fold_binary.
11554 (fold_binary): Separate out the equality operators (EQ_EXPR
11555 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11556 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11557 transformations common to both.
11558 (fold_div_compare): Fix latent bugs in the previously unreachable
11559 LT_EXPR and GE_EXPR cases.
11561 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11563 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11564 decl libname for clog to __clog on AIX.
11566 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11568 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11571 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11572 output traceback table for thunks. Localise rs6000_stack_info call.
11574 2006-02-23 Roger Sayle <roger@eyesopen.com>
11575 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11577 * gthr-posix.h (__gthrw): Fix typo in comment.
11579 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11581 * doc/cpp.texi (Character sets): Document that we do support
11582 input files to be in any character set.
11584 2006-02-23 Jeff Law <law@redhat.com>
11586 * tree.h (PHI_ARG_NONZERO): Remove.
11587 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11588 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11589 node to the new node.
11591 PR tree-optimization/26425
11592 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11593 min/max, then assume its varying.
11595 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11597 PR rtl-optimization/26316
11598 * rtlanal.c (enum may_trap_p_flags): New.
11599 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11600 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11601 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11602 (may_trap_after_code_motion_p): New function.
11603 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11604 (find_invariant_insn): Use may_trap_after_code_motion_p.
11605 * rtl.h (may_trap_after_code_motion_p): Declare.
11607 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11609 * emit-rtl.c (immed_double_const): Cleanup.
11611 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11613 Fix PR tree-optimization/26376
11614 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11617 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11619 PR middle-end/26412
11620 * gimplify.c (omp_add_variable): Guard variable size decl test with
11621 DECL_SIZE (decl) check.
11623 2006-02-23 Richard Guenther <rguenther@suse.de>
11625 PR middle-end/26439
11626 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11627 like aggregate types.
11629 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11631 * configure.ac: Add --with{,out}-long-double-128 configure option.
11632 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11633 * configure: Rebuilt.
11634 * config.in: Rebuilt.
11635 * doc/install.texi (Options specification): Document
11636 --with-long-double-128.
11638 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11639 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11640 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11641 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11643 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11645 * config/s390/s390.c (override_options): Handle
11646 TARGET_DEFAULT_LONG_DOUBLE_128.
11648 * config/alpha/alpha.c (override_options): Handle
11649 TARGET_DEFAULT_LONG_DOUBLE_128.
11651 * config/sparc/sparc.c (sparc_override_options): Handle
11652 TARGET_DEFAULT_LONG_DOUBLE_128.
11654 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11656 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11657 (real-install-headers-tar, real-install-headers-cpio)
11658 (real-install-headers-cp): New targets.
11660 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11662 * tree.h (variable_section): Delete.
11663 * varasm.c (variable_section): Delete.
11665 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11667 * install.texi: Add notes on install.texi2html.
11668 (Building in parallel): Do not use footnotes.
11670 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11673 * doc/install.texi (Configuration): Document --disable-libgomp.
11675 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11677 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11679 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11681 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11682 (vec_extractv2df_0_sse): New.
11684 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11686 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11687 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11688 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11689 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11690 to the result of the expression.
11691 (def_cfa_1): Adjust.
11692 (frame_pointer_cfa_offset): Rename to...
11693 (frame_pointer_fb_offset): ... this. Adjust all uses.
11694 (convert_cfa_to_loc_list): Rename to...
11695 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11696 Pass it on to build_cfa_loc.
11697 (compute_frame_pointer_to_cfa_displacement): Rename to...
11698 (compute_frame_pointer_to_fb_displacement): ... this. New
11699 offset parameter. Use it in computation.
11700 (gen_subprogram_die): Compute cfa_fb_offset with the new
11701 macro, and use it to compute the fb loc list and the
11704 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11706 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11707 replaced with register_operand.
11708 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11709 non-DREG is expensive.
11710 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11711 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11714 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11716 * doc/install.texi2html: Use set -e.
11718 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11720 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11721 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11722 * doc/invoke.texi (-fshared-data): Delete.
11723 * common.opt (fshared-data): Delete.
11724 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11725 (assemble_static_space): Remove #if 0 code.
11726 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11727 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11728 * config/cris/cris.h: Remove FIXME.
11730 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11732 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11735 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11737 PR middle-end/26379
11738 * combine.c (simplify_shift_const_1): Disable nested shifts
11739 optimization for vector shifts.
11741 2006-02-20 Roger Sayle <roger@eyesopen.com>
11743 PR tree-optimization/26361
11744 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11745 of unsigned integer types.
11747 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11749 * tree-chrec.c (eq_evolutions_p): New.
11750 * tree-chrec.h (eq_evolutions_p): Declared.
11751 * tree-data-ref.c: Fix formatting.
11752 (datadep_stats, dependence_stats): New.
11754 (print_direction_vector): New.
11755 (dump_data_dependence_relation): Use print_direction_vector.
11756 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11757 (compute_subscript_distance): Static.
11758 (initialize_data_dependence_relation): Static. Get the number
11759 of loops surrounding the references from the callers, and initialize
11760 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11761 base_object_differ_p analyzers.
11762 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11763 compute_overlap_steps_for_affine_1_2,
11764 analyze_subscript_affine_affine): Count the classified dependences.
11765 Print a message when a test failed.
11766 (can_use_analyze_subscript_affine_affine): New.
11767 (analyze_siv_subscript): Compute the data dependences on symbolic
11768 scevs that verify can_use_analyze_subscript_affine_affine.
11769 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11770 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11771 Handle symbolic scevs.
11772 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11774 (subscript_dependence_tester): Moved...
11775 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11776 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11777 DDR_SIZE_VECT instead of getting it in parameter.
11778 (subscript_dependence_tester): ... here. Take as a parameter
11779 loop_nest_depth. Call build_classic_dist_vector and
11780 build_classic_dir_vector.
11781 (compute_affine_dependence): Update subscript_dependence_tester
11782 parameters. Update datadep_stats counters. Call
11783 compute_subscript_distance.
11784 (compute_self_dependence): Save the dist and dir vectors. Call
11785 compute_subscript_distance.
11786 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11787 (compute_all_dependences): Reorder parameters as they were before
11788 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11789 compute_subscript_distance. Update the use of
11790 compute_affine_dependence and initialize_data_dependence_relation.
11791 (find_data_references_in_loop): Handle COMPONENT_REF.
11792 (compute_data_dependences_for_loop): Initialize dependence_stats.
11793 Don't call build_classic_dist_vector and build_classic_dir_vector.
11794 Update the parameters of initialize_data_dependence_relation and
11795 compute_all_dependences. Print the statistics from datadep_stats.
11796 (analyze_all_data_dependences): Static. Not used until the pass for
11797 checking the data dependences is contributed.
11798 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11799 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11800 (initialize_data_dependence_relation, compute_affine_dependence,
11801 analyze_all_data_dependences, compute_subscript_distance): Removed.
11802 (print_direction_vector): New.
11803 * lambda.h (gcd): ... here.
11804 (lambda_vector_gcd): Moved here from gcd_vector.
11805 * lambda-code.c (gcd, gcd_vector): Removed.
11806 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11807 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11809 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11811 * ipa-type-escape.c: Tidy some comments and white space.
11812 * tree-ssa-operands.c: Likewise.
11814 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11817 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11818 (dump_decl_name): Do not walk the decl tree chains.
11819 * tree-pass.h (TDF_CHAIN): Remove.
11821 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11823 * Makefile.in (C): Remove
11825 (.PHONY): Remove C and PROTO
11827 2006-02-20 Roger Sayle <roger@eyesopen.com>
11829 PR middle-end/26236
11830 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11831 deprecated CHAR_TYPE tree code.
11833 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11835 * configure.ac (target_list): Add install-info, dvi, html.
11836 * configure: Regenerate.
11838 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11839 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11840 treelang/Make-lang.in: Do not use double-colon rules.
11842 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11844 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11845 (TMT_USED_ALONE): New macro.
11846 * tree-pass.h (PROP_tmt_usage): New property.
11847 (TODO_update_tmt_usage): New todo.
11848 * tree-ssa-alias.c (updating_used_alone): New variable.
11849 (recalculate_used_alone): New function.
11850 (compute_may_aliases): Set updating_used_alone, call
11851 recalculate_used_alone.
11852 * tree-sra.c (pass_sra): Note that this pass destroys
11853 PROP_tmt_usage, and add TODO_update_tmt_usage.
11854 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11855 * tree-flow.h (updating_used_alone): Prototype.
11856 (recalculate_used_alone): Ditto.
11857 * passes.c (execute_todo): Add code to set updating_used_alone,
11858 and call recalculate.
11859 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11860 for clobber if used alone, and add assert to verify used_alone
11863 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11865 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11866 for non tls symbols added.
11867 (legitimize_address): Do nothing for PLUS expressions if one of the
11868 addends is a tls symbol reference.
11870 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11874 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11876 * Makefile.in (BOOTSTRAPPING): New.
11877 (quickstrap): New definition if BOOTSTRAPPING=yes.
11879 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11880 * configure.ac: Substitute all_selected_languages with the languages
11881 that were configured. For all the other variables except
11882 lang_specs_files, include all the languages in the tree.
11883 * configure: Regenerate.
11885 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11886 if there is one. Run the commands to run fixincludes in the same
11889 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11890 * doc/install.texi: Document exact conventions for searching target tools.
11891 Document --with-build-time-tools. Document toplevel bootstrap. Document
11892 something more about building an Ada cross-compiler. Don't list GNU Make
11893 requirements which affect all platforms.
11895 2006-02-19 Roger Sayle <roger@eyesopen.com>
11897 PR middle-end/19543
11898 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11899 only equivalent if the have both the same mode and precision.
11901 2006-02-20 Ben Elliston <bje@au.ibm.com>
11903 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11905 2006-02-19 Roger Sayle <roger@eyesopen.com>
11906 Steven Bosscher <stevenb.gcc@gmail.com>
11908 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11909 constant pool references to identify stack mode constants.
11910 * rtlanal.c (constant_pool_constant_p): New predicate to check
11911 whether operand is a floating point constant in the pool.
11912 * rtl.h (constant_pool_constant_p): Prototype here.
11913 * loop.c (scan_loop): Avoid hoisting constants from the constant
11914 pool on STACK_REGS targets.
11915 (load_mems): Likewise.
11916 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11917 loads into x87 registers expensive in terms of register pressure.
11919 2006-02-19 Roger Sayle <roger@eyesopen.com>
11921 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11922 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11924 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11926 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11927 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11929 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11931 * doc/invoke.texi: Document -fipa-pta.
11932 * common.opt: Add ipa-pta option.
11933 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11934 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11935 (do_ds_constraint): Ditto.
11936 (get_constraint_for): Only add to referenced_vars if
11937 referenced_vars exists.
11938 (insert_into_field_list): Rewrite to do this unsorted.
11939 (insert_into_field_list_sorted): Rename old insert_into_field_list
11941 (create_function_info_for): Use insert_into_field_list_sorted.
11942 (create_variable_info_for): Rewrite so it uses unsorted version,
11943 since the field list is sorted.
11944 (intra_create_variable_infos): Only add to referenced_vars if
11945 referenced_vars exists.
11946 (ipa_pta_execute): Init heapvars, and delete when done.
11947 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11949 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11951 * doc/install.texi: Add missing `@samp'.
11953 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11955 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11958 2006-02-18 Mark Wielaard <mark@klomp.org>
11960 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11961 who added new 4.1 features, bug fixes and integration support.
11963 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11966 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11967 MEM for ABI_V4 pic.
11969 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11971 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11972 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11973 (copy_insn_1): Likewise. Don't copy each field individually.
11975 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11977 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11978 * rtl.c (rtx_size): Rename variable to...
11979 (rtx_code_size): ...this.
11980 (rtx_size): New function.
11981 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11982 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11984 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11985 * rtl.h (rtx_code_size): New variable.
11986 (rtx_size): Change from a variable to a function.
11987 (RTX_SIZE): Rename to...
11988 (RTX_CODE_SIZE): ...this.
11991 PR tree-optimization/17106
11992 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11993 (Anchored Addresses): New section.
11994 * doc/invoke.texi (-fsection-anchors): Document.
11995 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11996 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11997 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11998 * hooks.c (hook_bool_mode_rtx_false): New function.
11999 * hooks.h (hook_bool_mode_rtx_false): Declare.
12000 * gengtype.c (create_optional_field): New function.
12001 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12002 SYMBOL_REF_IN_BLOCK_P is true.
12003 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12004 (min_anchor_offset, max_anchor_offset): Likewise.
12005 (use_anchors_for_symbol_p): New hook.
12006 * toplev.c (compile_file): Call output_object_blocks.
12007 (target_supports_section_anchors_p): New function.
12008 (process_options): Check that -fsection-anchors is only used on
12009 targets that support it and when -funit-at-a-time is in effect.
12010 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12011 if the decl doesn't have one.
12012 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12013 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12014 of force_const_mem through use_anchored_address.
12015 (expand_expr_constant): New function.
12016 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12017 calling expand_expr for INDIRECT_REF.
12018 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12019 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12020 * expr.h (use_anchored_address): Declare.
12021 * loop-unroll.c: Don't declare rtx vectors here.
12022 * explow.c: Include output.h.
12023 (validize_mem): Call use_anchored_address.
12024 (use_anchored_address): New function.
12025 * common.opt (-fsection-anchors): New switch.
12026 * varasm.c (object_block_htab, anchor_labelno): New variables.
12027 (hash_section, object_block_entry_eq, object_block_entry_hash)
12028 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12029 (use_blocks_for_decl_p, change_symbol_section): New functions.
12030 (get_variable_section): New function, split out from assemble_variable.
12031 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12032 use_blocks_for_decl_p say so. Use change_symbol_section if the
12033 symbol has already been created.
12034 (assemble_variable_contents): New function, split out from...
12035 (assemble_variable): ...here. Don't output any code for
12036 block symbols; just pass them to place_block_symbol.
12037 Use get_variable_section and assemble_variable_contents.
12038 (get_constant_alignment, get_constant_section, get_constant_size): New
12039 functions, split from output_constant_def_contents.
12040 (build_constant_desc): Create a block symbol if use_object_blocks_p
12041 says so. Or into SYMBOL_REF_FLAGS.
12042 (assemble_constant_contents): New function, split from...
12043 (output_constant_def_contents): ...here. Don't output any code
12044 for block symbols; just pass them to place_section_symbol.
12045 Use get_constant_section and get_constant_alignment.
12046 (force_const_mem): Create a block symbol if use_object_blocks_p and
12047 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12048 (output_constant_pool_1): Add an explicit alignment argument.
12049 Don't switch sections here.
12050 (output_constant_pool): Adjust call to output_constant_pool_1.
12051 Switch sections here instead. Don't output anything for block symbols;
12052 just pass them to place_block_symbol.
12053 (init_varasm_once): Initialize object_block_htab.
12054 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12055 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12056 (place_block_symbol, get_section_anchor, output_object_block)
12057 (output_object_block_htab, output_object_blocks): New functions.
12058 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12059 (TARGET_ASM_OUT): Include it.
12060 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12061 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12062 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12063 (TARGET_INITIALIZER): Include them.
12064 * rtl.c (rtl_check_failed_block_symbol): New function.
12065 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12066 (block_symbol, object_block): New structures.
12067 (rtx_def): Add a block_symbol field to the union.
12068 (BLOCK_SYMBOL_CHECK): New macro.
12069 (rtl_check_failed_block_symbol): Declare.
12070 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12071 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12072 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12073 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12074 * output.h (output_section_symbols): Declare.
12075 (object_block): Name structure.
12076 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12077 (default_use_anchors_for_symbol_p): Declare.
12078 * Makefile.in (RTL_BASE_H): Add vec.h.
12079 (explow.o): Depend on output.h.
12080 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12081 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12082 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12083 (rs6000_use_blocks_for_constant_p): New function.
12085 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12087 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12089 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12092 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12095 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12097 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12101 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12103 PR middle-end/26334
12104 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12105 instead of DECL_REGISTER.
12107 2006-02-18 Olivier Hainque <hainque@adacore.com>
12110 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12112 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12115 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12116 * opth-gen.awk: Handle Var and InverseMask together.
12117 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12118 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12119 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12120 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12122 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12123 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12124 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12125 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12126 LINUX_DYNAMIC_LINKER): Define.
12127 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12128 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12130 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12131 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12132 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12133 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12134 (TARGET_C99_FUNCTIONS): Don't define.
12135 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12136 GLIBC_DYNAMIC_LINKER.
12137 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12138 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12139 GLIBC_DYNAMIC_LINKER64): Define.
12140 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12141 LINUX_DYNAMIC_LINKER64.
12142 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12143 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12144 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12145 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12146 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12147 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12148 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12149 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12150 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12151 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12152 and LINUX_DYNAMIC_LINKER32.
12153 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12154 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12155 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12156 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12157 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12159 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12160 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12161 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12162 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12163 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12164 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12165 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12166 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12167 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12168 LINUX_DYNAMIC_LINKER): Define.
12169 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12170 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12171 GLIBC_DYNAMIC_LINKER64): Define.
12172 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12173 LINUX_DYNAMIC_LINKER64.
12174 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12175 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12176 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12177 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12178 LINUX_DYNAMIC_LINKER): Define.
12179 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12180 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12181 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12182 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12183 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12184 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12185 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12186 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12187 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12188 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12189 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12190 * doc/invoke.texi (-muclibc): Remove caveat about supported
12193 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12195 * doc/cpp.texi (__TIMESTAMP__): Document.
12197 2006-02-17 Roger Sayle <roger@eyesopen.com>
12199 PR middle-end/25600
12200 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12201 C is one less than the width of X (and related transformations).
12202 * simplify-rtx.c (simplify_unary_operation_1): Transform
12203 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12204 depending on STORE_FLAG_VALUE, were C is one less then the
12207 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12209 Fix PR tree-optimization/26341
12210 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12211 about NAME_MEMORY_TAG's.
12213 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12216 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12217 with hardware float support, and software float support. Add fcpy
12218 alternative to hardware patterns. Add alternatives to copy between
12219 general and floating-point registers to the 32-bit pattern.
12220 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12221 secondary reload to load a QI or HI mode constant into a floating
12223 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12224 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12226 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12229 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12231 (load_macho_picbase_di): Likewise.
12233 2006-02-16 Jeff Law <law@redhat.com>
12235 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12236 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12237 (ssa_name_nonzero_p): Likewise.
12238 (get_value_range): Return NULL if VRP is not running.
12239 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12240 VRP routines do not discover a range.
12241 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12242 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12243 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12244 (tree_expr_nonnegative_p): Similarly.
12245 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12246 (restore_nonzero_vars_to_original_value): Remove.
12247 (unsafe_associative_fp_binop): Remove.
12248 (tree_ssa_dominator_optimize): Remove initialization and
12249 finalization of nonzero_vars and nonzero_vars_stack.
12250 (dom_opt_initialize_block): No longer push marker on
12251 nonzero_vars_stack.
12252 (dom_opt_finalize_block): No longer call
12253 restore_nonzero_vars_to_original_value.
12254 (record_equivalences_from_phis): No longer look for
12255 nonzero PHI arguments.
12256 (cprop_into_successor_phis): No longer propagate nonzero
12257 property into PHI arguments. Lose unused argument. Caller
12259 (record_equivalences_from_stmt): No longer record nonzero
12260 values for SSA_NAMEs.
12261 (lookup_avail_expr): No longer use nonzero_vars.
12263 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12264 for sizetype when sizetype is unsigned.
12266 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12268 PR rtl-optimization/25603
12269 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12270 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12271 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12272 with new meaning of SETS.
12274 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12279 * config/linux.opt: New file.
12280 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12281 LINUX_DYNAMIC_LINKER): Define.
12282 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12283 * config.gcc (*-*-linux*): Define extra_options.
12284 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12285 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12286 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12287 GLIBC_DYNAMIC_LINKER.
12288 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12289 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12290 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12291 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12292 * doc/invoke.texi (GNU/Linux Options): New section.
12294 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12296 * config/sparc/sparc.md (setjmp): Rewrite.
12297 (setjmp_32): Delete.
12298 (setjmp_64): Likewise.
12300 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12302 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12305 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12307 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12310 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12312 PR rtl-optimization/26296
12313 * Makefile.in (loop-invariant.c): Add except.h dependency.
12314 * loop-invariant.c: Include except.h.
12315 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12317 2005-02-16 Paul Brook <paul@codesourcery.com>
12319 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12322 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12324 PR rtl-optimization/25636
12325 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12326 when deciding whether an insn is an initializing insn.
12328 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12330 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12331 (tree_code_size): Ditto.
12332 * tree.h (struct tree_memory_tag): Remove parent_var.
12333 (struct tree_struct_field_tag): New.
12336 (union tree_node): Add sft member.
12337 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12339 (create_sft): Add size and offset argument, set SFT_OFFSET and
12341 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12342 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12343 * tree-flow-inline.h (get_subvar_at): Update for
12344 SFT_OFFSET/SFT_SIZE.
12345 (var_can_have_subvars): Ditto.
12346 (overlap_subvar): Ditto.
12347 * print-tree.c (print_node): Print out interesting things for
12349 * tree-flow.h (struct subvar): Remove offset and size members.
12350 * tree-ssa-operands.c (get_expr_operands): Update for
12351 get_indirect_ref_operands changes.
12352 (get_indirect_ref_operands): Call add_virtual_operand instead of
12353 add_stmt_operand. Only recurse on base var if requested.
12354 (access_can_touch_variable): New function.
12355 (add_stmt_operand): Split virtual operand handling into ...
12356 (add_virtual_operand): Here. Add offset, size, and for_clobber
12357 arguments. Prune alias sets.
12358 (add_call_clobber_ops): Call add_virtual_operand.
12360 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12362 PR middle-end/26300
12363 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12365 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12366 than TREE_CODE as index into omp_clause_num_ops array.
12368 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12370 PR rtl-optimization/26184
12371 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12373 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12374 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12375 must_precede, must_follow and tobe_scheduled.
12378 * opts.c (common_handle_option): Free new_option pointer.
12379 * df-core.c (df_analyze): Free postorder pointer.
12381 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12383 * Makefile.in: Fix the examples about the use of stamps
12385 2006-02-15 Michael Matz <matz@suse.de>
12387 PR middle-end/22275
12389 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12390 influenced by maximum_field_alignment or DECL_PACKED.
12391 (update_alignment_for_field): Ditto.
12392 (place_field): Ditto.
12393 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12396 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12398 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12399 (debug_flow_info): Pass it.
12400 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12401 * bb-reorder.c (reorder_basic_blocks): Likewise.
12402 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12403 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12404 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12405 * gcse.c (gcse_main, bypass_jumps): Likewise.
12406 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12407 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12408 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12409 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12410 * rtl.h (dump_flow_info): Adjust prototype.
12411 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12412 * var-tracking.c (variable_tracking_main): Likewise.
12413 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12414 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12417 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12419 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12422 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12424 PR tree-optimization/26209
12425 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12426 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12428 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12430 2006-02-14 Roger Sayle <roger@eyesopen.com>
12432 PR middle-end/23670
12433 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12434 (X,Y) and the corresponding symmetry related transformations.
12435 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12436 (X,Y) and its symmetry related transformations.
12438 2006-02-14 Roger Sayle <roger@eyesopen.com>
12440 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12443 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12445 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12447 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12450 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12451 support COMDAT group.
12452 * configure: Regenerate.
12454 2006-02-14 Roger Sayle <roger@eyesopen.com>
12456 PR middle-end/26279
12457 PR middle-end/26280
12458 PR middle-end/26283
12459 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12461 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12463 Fix PR tree-optimization/26260
12465 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12467 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12468 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12469 * tree-ssa-structalias.c (create_variable_info_for): Use
12470 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12472 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12474 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12476 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12477 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12478 of the ending condition.
12479 * tree-ssa-loop-manip.c: Include params.h.
12480 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12481 tree_unroll_loop): New functions.
12482 * tree-pass.h (pass_loop_prefetch): Declare.
12483 * loop.c (rest_of_handle_loop_optimize): Test for
12484 -fprefetch-loop-arrays-rtl.
12485 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12486 * timevar.def (TV_TREE_PREFETCH): New timevar.
12487 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12488 pass_loop_prefetch): New.
12489 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12490 (cleanup_tree_cfg_loop): Call scev_reset.
12491 * common.opt (fprefetch-loop-arrays-rtl): Add.
12492 * tree-ssa-loop-prefetch.c: New file.
12493 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12494 (new_temp_expr_table): Initialize expr_vars.
12495 (free_temp_expr_table): Cleanup expr_vars.
12496 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12497 expressions from being merged into one.
12498 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12499 (struct tree_niter_desc): Add control, bound and cmp fields.
12500 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12502 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12503 (tree-cfgcleanup.o): Add SCEV_H dependency.
12504 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12505 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12507 2006-02-14 Richard Guenther <rguenther@suse.de>
12509 PR tree-optimization/26258
12510 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12511 in PHI argument processing.
12513 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12515 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12516 new expression in the requested machine mode.
12518 2006-02-13 Roger Sayle <roger@eyesopen.com>
12520 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12521 directly, instead let do_compare_rtx_and_jump handle this for us.
12522 * expr.c (expand_expr_real_1): Likewise.
12523 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12524 before do_jump_by_parts_greater.
12525 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12526 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12528 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12530 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12532 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12534 PR rtl-optimization/26235
12535 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12536 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12539 2006-02-13 Jeff Law <law@redhat.com>
12541 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12544 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12546 PR middle-end/26092
12547 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12548 twice if decl is a builtin. When trying again, call get_callee_fndecl
12549 first to verify it is still a builtin.
12551 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12553 * dwarf2out.c (base_type_die): Don't add AT_name here.
12554 (subrange_type_die): Don't add AT_name here.
12555 (modified_type_die): Rearrange code flow. Do add AT_name here.
12557 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12559 PR rtl-optimization/26247
12560 PR rtl-optimization/26248
12561 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12563 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12565 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12566 * config/fixtfdi.c: Likewise.
12567 * config/fixunstfdi.c: Likewise.
12568 * config/floatditf.c: Likewise.
12570 2006-02-13 Roger Sayle <roger@eyesopen.com>
12572 PR middle-end/24427
12573 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12574 into (X,C2) if C1 is a subset of the bits of C2. Transform
12575 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12577 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12579 2006-02-13 Josh Conner <jconner@apple.com>
12582 * varasm.c (function_section): Check for section name before
12583 calling select_section on targets that define
12584 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12585 unlikely_text_section instead of hot_function_section if
12586 first_function_block_is_cold.
12588 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12590 PR middle-end/25335
12591 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12593 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12595 PR rtl-optimization/26222
12596 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12597 after tree->rtl expansion.
12598 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12599 before passing it to emit_move_insn.
12601 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12603 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12605 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12606 Clarify documentation.
12607 * c-common.h (warn_write_strings): Remove.
12608 * c-common.c (warn_write_strings): Likewise.
12609 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12612 2006-02-12 Roger Sayle <roger@eyesopen.com>
12614 PR middle-end/25724
12615 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12616 (do_jump_parts_zero_rtx): New function renamed from
12617 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12618 (do_jump_parts_equality_rtx): New function split out from
12619 do_jump_parts_equality. Old implementation renamed as above.
12620 Call do_jump_parts_zero_rtx if either operand is zero.
12621 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12622 do all of the heavy lifting.
12623 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12624 calling either do_jump_by_parts_greater_rtx or
12625 do_jump_by_parts_equality_rtx.
12626 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12627 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12628 moved to do_compare_rtx_and_jump, call it directly.
12629 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12630 mode argument. Call do_compare_rtx_and_jump.
12631 (emit_case_nodes): Update calls to do_jump_if_equal.
12633 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12635 PR rtl-optimization/26225
12636 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12638 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12640 PR rtl-optimization/26232
12641 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12643 2006-02-11 Jason Merrill <jason@redhat.com>
12646 * tree-inline.c (declare_return_variable): Just don't use the
12647 modify target if it's a gimple complex reg and the return slot
12650 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12652 * doc/contrib.texi: Update my entry.
12654 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12656 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12658 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12660 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12663 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12665 * doc/invoke.texi (-floop-optimize2): Removed.
12666 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12667 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12668 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12669 * common.opt (floop-optimize2): Removed.
12670 (fmove-loop-invariants): Enabled by default.
12672 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12674 * tree-if-conv.c (combine_blocks): Free the result of
12675 get_loop_exit_edges.
12677 2006-02-10 Jeff Law <law@redhat.com>
12679 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12681 PR tree-optimization/26213
12682 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12683 loop trying to follow SSA_NAME_VALUE chains.
12685 2006-02-10 Richard Guenther <rguenther@suse.de>
12687 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12688 deal with structures that end in implicitly variable sized arrays.
12690 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12692 PR rtl-optimization/24762
12693 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12696 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12698 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12699 (struct ivopts_data): Add regs_used field.
12700 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12701 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12702 instead of loop_data->regs_used;
12703 (free_loop_data): Do not free aux fields for loops.
12704 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12705 and tree_ssa_iv_optimize_finalize.
12707 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12709 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12711 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12714 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12715 computing the effective result type.
12717 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12719 PR inline-asm/16194
12720 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12721 (tree_overlaps_hard_reg_set): Declare.
12722 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12723 type and signature to match function type expected by walk_tree.
12724 (tree_overlaps_hard_reg_set): New function.
12725 (decl_conflicts_with_clobbers_p): Rename to:
12726 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12727 Use tree_overlaps_hard_reg_set. Changed caller.
12728 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12729 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12730 * cris.c (cris_md_asm_clobbers): Likewise.
12732 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12734 * reload1.c (emit_input_reload_insns): Delete code that tries to
12735 inherit using find_equiv_reg.
12737 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12739 * c-common.h (flag_const_strings): Don't declare.
12740 * c-common.c (flag_const_strings): Remove.
12741 * c.opt (fconst_strings): Remove.
12742 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12743 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12744 (c_common_init_options): Don't set flag_const_strings.
12745 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12747 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12749 * arm.md (tlobits_cbranch): New pattern.
12750 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12751 testing a single bit.
12753 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12756 * tree-ssa-pre.c (create_component_ref_by_pieces):
12757 Handle RETURN_DECL like VAR_DECL.
12759 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12761 PR middle-end/26134
12762 * fold-const.c (fold_indirect_ref_1): Fold
12763 "*(foo *)&complexfoo" to "__real__ complexfoo"
12764 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12766 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12768 * tree-flow-inline.h (var_can_have_subvars):
12769 Volatile variables should not have subvariables.
12771 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12774 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12775 multiplying unsigned values.
12778 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12780 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12782 2006-02-08 Jason Merrill <jason@redhat.com>
12785 * tree.def: Elaborate on difference from MODIFY_EXPR.
12786 * doc/c-tree.texi (INIT_EXPR): Likewise.
12787 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12788 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12789 (gimplify_target_expr): Likewise.
12790 (gimplify_cond_expr): Remove target handling.
12791 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12792 (gimplify_expr): Clobber it here.
12793 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12794 Do return slot optimization if we have an INIT_EXPR.
12797 * tree-inline.c (declare_return_variable): Also clear
12798 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12801 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12803 PR middle-end/22439
12804 * gimplify.c (gimplify_one_sizepos): Fix typo.
12806 2006-02-08 Jeff Law <law@redhat.com>
12808 PR tree-optimization/21417
12809 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12810 across a backedge if the control statement at the end of the
12811 block is data dependent on other statements in the same block.
12812 (record_temporary_equivalences_from_stmts): Remove over-conservative
12813 test for threading across backedges.
12815 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12816 control statement, handle all three special cases in the same
12817 manner as they all have the same desired solution. No longer
12818 special case edge flag updating when the post dominator is
12821 2006-02-08 Roger Sayle <roger@eyesopen.com>
12823 * tree.def (CHAR_TYPE): Remove.
12824 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12825 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12826 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12827 (gen_string_type_die): Delete unreachable function.
12829 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12830 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12831 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12832 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12833 * builtins.c (type_to_class): Likewise.
12834 * fold-const.c (fold_convert, build_range_check,
12835 merge_ranges): Likewise.
12836 * expr.c (count_type_elements): Likewise.
12837 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12838 * stor-layout.c (layout_type): Likewise.
12839 * ipa-type-escape.c (type_to_consider): Likewise.
12840 * gimplify.c (omp_firstprivatize_type_sizes,
12841 gimplify_type_sizes): Likewise.
12842 * explow.c (promote_mode): Likewise.
12843 * tree-sra.c (is_sra_scalar_type): Likewise.
12844 * varasm.c (output_constant): Likewise.
12845 * tree-inline.c (remap_type_1): Likewise.
12846 * convert.c (convert_to_pointer, convert_to_real,
12847 convert_to_integer, convert_to_complex): Likewise.
12849 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12851 * df-scan.c (df_def_record_1): A set destination may
12852 be a parallel regardless of mode.
12854 2006-02-08 Roger Sayle <roger@eyesopen.com>
12857 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12858 * config/mips/_tilib.c: Remove.
12859 * config/fixtfdi.c: New libgcc source file.
12860 * config/fixunstfdi.c: New source file.
12861 * config/floatditf.c: New source file.
12862 * config/floatunditf.c: New souce file.
12863 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12864 files above instead of config/mips/_tilib.c.
12865 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12867 2006-02-08 Jeff Law <law@redhat.com>
12869 PR tree-optimization/26169
12870 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12873 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12875 * df.h (DF_REG_SIZE): Return the length of the initialized
12878 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12880 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12881 __muldf3): Return a correctly signed zero.
12883 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12885 * passes.c (register_one_dump_file): Accept the current properties
12886 instead of pass number. Adjust call to dump_register. Remove
12888 (register_dump_files): Now a wrapper around...
12889 (register_dump_files_1): ... this one. Do not modify the pass
12891 (next_pass_1): Cosmetic fix.
12892 (execute_todo): Keep second parameter only. Use curr_properties
12893 instead of fetching it from the pass structure. Check and set
12895 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12896 instead of fetching it from the pass structure. Fix calls to
12897 execute_todo. Update curr_properties and initialize .vcg RTL dump
12898 after running the pass. Reset last_verified.
12899 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12901 (FIRST_AUTO_NUMBERED_DUMP): New.
12902 (dump_register): Remove "num" parameter, assign it within the
12904 (get_dump_file_name): Modify template for dumps.
12905 * tree-dump.h (dump_register): Adjust prototype.
12906 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12907 (PROP_trees): Add PROP_gimple_lomp.
12908 (TODO_set_props): New.
12909 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12910 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12911 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12913 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12915 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12916 (sparc64-*-linux*): Likewise.
12917 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12918 * config/sparc/t-linux: New file.
12919 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12920 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12921 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12922 -m32 -mlong-double-128.
12924 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12925 * config/alpha/t-linux: New file.
12926 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12928 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12929 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12930 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12931 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12932 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12933 (CPP_ARCH32_SPEC): Remove.
12935 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12937 PR tree-optimization/26145
12938 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12941 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12944 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12945 >= 240000 when generating code for SOM runtime.
12946 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12947 to $$dyncall when generating code for SOM runtime..
12949 2006-02-07 Dirk Mueller <dmueller@suse.com>
12952 * doc/invoke.texi (-Wsequence-point): Update documentation
12953 that -Wsequence-point is implemented for C++ as well.
12955 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12957 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12958 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12959 (LIB_SPEC): Likewise.
12960 * doc/invoke.texi (SPARC options): Document -pthread.
12962 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12964 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12967 2006-02-07 Roger Sayle <roger@eyesopen.com>
12969 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12970 Correct comment describing BOOLEAN_TYPE.
12972 2006-02-07 Dirk Mueller <dmueller@suse.com>
12974 * c.opt: C++ frontend supports -Wdiv-by-zero.
12975 * c-opts.c (c_common_handle_option): Remove dead case.
12977 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12979 * configure.ac (TLS assembler check): Do not enable TLS by
12980 default on SPARC/Solaris before version 10.
12981 * configure: Regenerate.
12983 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12985 * doc/invoke.texi (xl-compat): Document conversion and support
12988 2006-02-07 Jeff Law <law@redhat.com>
12990 * tree-vrp.c (find_conditional_asserts): Update comments.
12991 (simplify_stmt_for_jump_threading): New.
12992 (identify_jump_threads, finalize_jump_threads): New.
12993 (vrp_finalize): Call identify_jump_threads.
12994 (execute_vrp): Call finalize_jump_threads.
12995 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12996 (vrp_element, vrp_data, vrp_element_p): Remove.
12997 (vrp_hash_elt, vrp_variables_stack): Remove.
12998 (vrp_hash, vrp_eq, record_range): Remove.
12999 (simplify_cond_and_lookup_avail_expr): Remove.
13000 (extract_range_from_cond): Remove.
13001 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13002 (simplify_stmt_for_jump_threading): New.
13003 (dom_thread_across_edge): New wrapper.
13004 (tree_ssa_dominator_optimize): No longer initialize or
13005 finalize any of the VRP datastructures. Remove iteration
13006 step and simplify as a result of removal of iteration step.
13007 (pass_dominator): Perform a cfg cleanup after DOM.
13008 (dom_opt_finalize_block): Use the new common routines
13009 for threading jumps. Simplify stack management slightly.
13010 No longer need to unwind VRP state.
13011 (record_equivalences_from_incoming_edge): No longer record
13013 (eliminate_redundant_computations): No longer call
13014 simplify_cond_and_lookup_avail_expr.
13015 * tree-flow.h (potentially_threadable_block): Prototype.
13016 (thread_across_edge): Likewise.
13017 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13018 (tree-ssa-threadedge.o): Add dependencies.
13019 * tree-ssa-threadedge.c: New file.
13020 * passes.c (init_optimization_passes): Merge PHIs before
13021 calling VRP. Run VRP again late in the SSA optimization pipeline.
13023 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13025 * df-core.c (df_set_blocks): Do not dereference function pointers.
13026 (df_finish1): Likewise.
13027 (df_hybrid_search_forward): Likewise.
13028 (df_hybrid_search_backward): Likewise.
13029 (df_iterative_dataflow): Likewise.
13030 (df_analyze_problem): Likewise.
13031 (df_compact_blocks): Likewise.
13032 (df_dump): Likewise.
13033 * df-scan.c (df_rescan_blocks): Likewise.
13034 (df_record_entry_block_defs): Likewise.
13036 * genconditions.c (write_conditions): Guard the definition of
13037 'insn_conditions' with the check on GCC version.
13038 (write_writer): Guard the traversal 'insn_conditions' with
13039 the check on GCC version.
13041 2006-02-07 Richard Guenther <rguenther@suse.de>
13045 2006-01-30 Richard Guenther <rguenther@suse.de>
13047 * gimplify.c (gimplify_target_expr): Handle easy cases
13048 without creating a temporary.
13050 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13052 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13053 use of float in probability computations. Use edge probabilities
13054 in place of statically computed probabilities.
13055 (min_spec_prob): New static variable.
13056 (schedule_insns): Initialize it.
13057 (GET_SRC_PROB): Removed.
13058 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13060 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13063 * config/ia64/unwind-ia64.c: Revert last change.
13064 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13065 (INCOMING_FRAME_SP_OFFSET): Define.
13067 2006-02-06 Roger Sayle <roger@eyesopen.com>
13069 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13071 2006-02-07 Ben Elliston <bje@au.ibm.com>
13073 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13074 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13075 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13076 (ix86_return_in_memory): Handle TDmode.
13077 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13078 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13080 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13082 * reorg.c (dbr_schedule): Use dump_file instead of file.
13084 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13087 * config/ia64/predicates.md (extr_len_operand): New predicate.
13088 * config/ia64/ia64.md (extv): Tighten constraints.
13090 (*tbit_and_2): Ditto.
13091 (*tbit_and_3): Ditto.
13092 (*tbit_or_2): Ditto.
13093 (*tbit_or_3): Ditto.
13094 (*bit_zero): Ditto.
13097 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13100 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13102 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13104 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13105 loop_optimizer_init and loop_optimizer_finalize
13106 * tree-ssa-sink.c (execute_sink_code): Ditto.
13107 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13108 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13109 tree_ssa_loop_done): Ditto.
13110 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13111 * sched-ebb.c: Include output.h.
13112 (schedule_ebbs): Do not use dump argument.
13113 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13114 * loop.c (loop_dump_stream): Removed.
13115 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13117 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13118 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13119 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13120 loop_iterations, strength_reduce, record_biv, record_giv,
13121 final_giv_value, check_final_value, check_ext_dependent_givs,
13122 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13123 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13124 dump_file instead of loop_dump_stream.
13125 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13126 argument dump_file.
13127 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13129 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13130 * haifa-sched.c: Include output.h
13131 (schedule_insns, sched_init): Do not use dump argument.
13132 * mode-switching.c (optimize_mode_switching): Ditto.
13133 * modulo-sched.c (stats_file): Removed.
13134 (print_node_sched_params): Do not call argument dump_file.
13135 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13136 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13138 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13140 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13141 rtl_loop_init, rtl_loop_done): Ditto.
13142 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13143 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13145 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13146 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13147 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13148 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13149 * emit-rtl.c (renumber_insns): Ditto.
13150 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13151 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13152 * regclass.c (regclass): Ditto.
13153 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13154 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13155 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13156 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13158 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13159 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13161 * gcse.c (gcse_file, debug_stderr): Removed.
13162 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13163 rest_of_handle_gcse): Do not use dump argument.
13164 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13165 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13166 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13167 compute_code_hoist_vbeinout, compute_code_hoist_data,
13168 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13169 compute_store_table, build_store_vectors, insert_insn_start_bb,
13170 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13171 store_motion): Use dump_file instead of gcse_file.
13172 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13173 * profile.c (profile_dump_file): Removed.
13174 (branch_prob): Use dump_file instead of profile_dump_file.
13175 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13177 * tree-ssa-copy.c (dump_copy_of): Ditto.
13178 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13179 dump file to life_analysis.
13180 * bt-load.c (branch_target_load_optimize): Ditto.
13181 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13183 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13184 regclass, dbr_schedule): Declaration changed.
13185 * sched-int.h (sched_init): Declaration changed.
13186 * tree-profile.c (tree_profile_dump_file): Removed.
13187 (tree_profile_hooks): Removed profile_dump_file hook.
13188 * rtl-profile (rtl_profile_dump_file): Removed.
13189 (rtl_profile_hooks): emoved profile_dump_file hook.
13190 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13192 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13193 * tree-cfg.c (build_tree_cfg): Ditto.
13194 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13195 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13196 Declaration changed.
13197 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13198 life_analysis and schedule_insns.
13199 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13201 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13203 * config/mips/mips.c (mips_reorg): Ditto.
13204 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13207 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13209 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13210 (s390_mangle_fundamental_type): New.
13211 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13214 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13215 (alpha_mangle_fundamental_type): New.
13216 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13219 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13221 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13223 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13224 (sparc_mangle_fundamental_type): New.
13226 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13228 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13229 (s390x-*-linux*): Likewise.
13230 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13231 * config/s390/t-linux: New file.
13233 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13235 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13236 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13238 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13240 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13241 (ANTIC_SAFE_LOADS): New macro.
13242 (find_or_generate_expression): Add prototype.
13243 (set_contains_value): Allow null set for sake of not always having
13244 to allocate ANTIC_SAFE_LOADS.
13245 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13246 Allow COMPONENT_REF too.
13247 (valid_in_set): Allow COMPONENT_REF.
13248 Check ANTIC_SAFE_LOADS too.
13249 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13250 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13252 (can_PRE_operation): Add COMPONENT_REF.
13253 (create_component_ref_by_pieces): New function.
13254 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13255 (insert_aux): Move AGGREGATE_TYPE_P check here.
13256 (compute_avail): Set bb local stmt uids.
13257 (pass_pre): Use TODO_update_ssa_only_virtuals.
13259 2006-02-06 Ben Elliston <bje@au.ibm.com>
13261 * configure.ac: Unconditionally disable decimal float by default.
13262 * configure: Regenerate.
13264 2006-02-06 Ben Elliston <bje@au.ibm.com>
13266 * read-rtl.c (read_name): Terminate reading on EOF.
13268 2006-02-06 Ben Elliston <bje@au.ibm.com>
13270 * dfp.c (decimal_real_arithmetic): Change second argument type
13271 from int to enum tree_code. Do not always return true, but now
13272 return result of any call to decimal_do helper functions.
13273 * dfp.h (decimal_real_arithmetic): Update prototype.
13275 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13277 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13279 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13282 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13285 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13287 * tree-vrp.c (cfg_loops): Removed.
13288 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13289 Use current_loops instead of cfg_loops. Pass flags to
13290 loop_optimizer_init.
13291 * cfgloopmanip.c (fix_loop_structure): Update only available
13293 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13294 loop_optimizer_init.
13295 * modulo-sched.c (build_loops_structure): Removed.
13296 (sms_schedule): Use loop_optimizer_init.
13297 * loop-init.c (loop_optimizer_init): Use flags to determine
13298 which properties of loops to prepare.
13299 (rtl_loop_init): Pass flags to loop_optimizer_init.
13300 * tree-ssa-sink.c (execute_sink_code): Ditto.
13301 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13302 * tree-ssa-pre.c (init_pre): Ditto.
13303 * cfgloop.h (LOOPS_NORMAL): New.
13304 (loop_optimizer_init): Declaration changed.
13306 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13308 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13309 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13311 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13313 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13315 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13316 * pa/t-pa64: Delete quadlib.c rule.
13317 * pa/x-ada: Revert last change.
13318 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13320 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13322 PR rtl-optimization/26087
13323 * rtlanal.c (canonicalize_condition): Do not cross basic block
13326 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13329 * config/ia64/ia64.c: Include debug.h.
13330 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13331 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13332 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13333 (process_epilogue, process_set, process_for_unwind_directive):
13334 Output unwind info only if requested. Add CFA info if requested.
13335 Add new arguments as needed. Adjust callers.
13336 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13338 (DWARF2_FRAME_INFO): Define to zero.
13339 * config/ia64/unwind-ia64.c: Remove code that compensated for
13340 the CFA offset error fixed above.
13341 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13342 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13343 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13344 -funwind-tables and -fexceptions to enable frame info.
13345 (dwarf2out_frame_init): Define initial CFA even if
13346 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13347 DWARF2_UNWIND_INFO is nonzero, not just defined.
13348 (dwarf2out_frame_finish): Output non-EH call frame info only
13349 if DWARF2_FRAME_INFO is nonzero.
13350 (convert_cfa_to_loc_list,
13351 compute_frame_pointer_to_cfa_displacement): Define even if
13352 unwind info is not supported.
13353 (gen_subprogram_die): Use the above unconditionally. Remove
13354 legacy alternate code.
13355 * toplev.c (compile_file): Compile in call to
13356 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13357 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13359 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13360 Jakub Jelinek <jakub@redhat.com>
13362 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13363 IBM extended float format long double as "g" on powerpc*-linux.
13365 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13368 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13369 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13371 2006-02-03 Jason Merrill <jason@redhat.com>
13374 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13376 PR middle-end/25977
13377 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13378 on the return slot if it's an NRV.
13380 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13382 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13383 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13384 rewrite_use): Do not handle USE_OUTER.
13385 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13386 add_iv_outer_candidates, may_replace_final_value,
13387 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13388 (find_interesting_uses_op): Functionality of
13389 find_interesting_uses_outer_or_nonlin moved here.
13390 (find_interesting_uses_outside): Use find_interesting_uses_op.
13392 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13395 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13397 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13398 Ulrich Weigand <uweigand@de.ibm.com>
13401 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13402 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13403 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13404 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13406 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13407 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13408 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13409 Define secondary reloads for TFmode moves.
13410 (constant_modes): Add TFmode.
13411 (NR_C_MODES): Set to 8.
13412 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13414 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13415 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13416 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13417 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13418 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13419 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13420 (FPR mode macro): Add TFmode.
13421 (DSF mode macro): New.
13422 (<de>, <dee> mode attributes): Removed.
13423 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13424 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13425 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13426 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13427 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13428 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13429 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13430 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13431 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13432 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13433 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13434 "*negabs<mode>2", "sqrt<mode>2"):
13435 Changed <de> to <xde>. R constraint replaced by <Rf>.
13436 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13438 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13439 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13440 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13442 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13443 "extenddftf2", "extendsftf2"): New expanders.
13444 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13445 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13446 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13447 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13449 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13450 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13451 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13452 __floatditf): Add a GCC_4.1.0 symbol version tag.
13453 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13456 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13459 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13460 Use targetm.binds_local_p instead of TREE_PUBLIC.
13462 2006-02-02 Roger Sayle <roger@eyesopen.com>
13464 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13465 on INTEGER_TYPEs to indicate that it denotes a character type.
13466 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13467 signed_char_type_node, unsigned_char_type_node and char_type_node.
13468 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13469 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13470 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13472 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13473 Daniel Berlin <dberlin@dberlin.org>
13475 * tree-tailcall.c (arg_needs_copy_p): New function.
13476 (eliminate_tail_call): Use arg_needs_copy_p.
13477 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13478 (add_virtual_phis): New function.
13480 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13482 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13483 #ignore instead of #scratch for %g7 .register directive.
13485 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13487 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13490 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13492 * flow.c (calculate_global_regs_live): Assert that there aren't any
13495 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13497 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13498 what its name says.
13499 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13500 bsi_after_labels iterator.
13501 * tree-if-conv.c (find_phi_replacement_condition,
13502 replace_phi_with_cond_modify_expr): Likewise.
13503 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13504 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13506 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13508 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13510 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13513 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13514 array after growing it.
13516 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13518 PR middle-end/24901
13519 * fold-const.c (fold_checksum_tree): Change type of buf.
13521 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13523 * reload.c (push_secondary_reload): Initialize t_icode.
13525 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13527 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13528 -msoft-float -mlong-double-128 only issue a warning, but don't
13529 swich to DFmode long double.
13531 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13533 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13534 has a constant equivalent, iterate over equivalents for arg0,
13535 calling simplify_relational_operation and if there's a result
13536 cheaper than X, apply fold_rtx and return the result.
13538 2006-02-01 Jan Hubicka <jh@suse.cz>
13540 * opts.c (no_unit_at_a_time_default): New global variable.
13541 (decode_options): Use it.
13542 * opts.h (no_unit_at_a_time_default): Declare.
13544 2006-02-01 Paul Brook <paul@codesourcery.com>
13546 * function.c (assign_parm_setup_reg): Use function argument promotion
13548 * expr.c (expand_expr_real_1): Use function argument promotion rules
13551 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13553 * gcc.c (process_command): Change j to 'unsigned int'.
13555 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13557 PR middle-end/26001
13558 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13559 Use the corrected index for the character
13560 out of the string constant.
13562 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13564 * mode-switching.c (optimize_mode_switching): Fix size
13565 allocated for bb_info[n_entities].
13567 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13569 * gcc.c (main): Correct type that is allocated for
13570 explicit_link_files.
13572 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13574 * config/s390/s390.c (init_alignment_context): Set
13575 ALIAS_SET_MEMORY_BARRIER on the MEM.
13576 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13578 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13580 PR middle-end/25933
13581 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13583 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13586 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13588 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13589 * regrename.c: Ditto.
13590 * tree-ssa-loop-im.c: Ditto.
13591 * tree-dump.c: Ditto.
13592 * tree-complex.c: Ditto.
13593 * genrecog.c: Ditto.
13594 * tree-ssa-threadupdate.c: Ditto.
13596 * java/class.c: Ditto.
13597 * java/jcf-parse.c: Ditto.
13598 * java/resource.c: Ditto.
13599 * java/except.c: Ditto.
13600 * java/jvspec.c: Ditto.
13601 * java/jcf-write.c: Ditto.
13602 * java/jcf-path.c: Ditto.
13603 * java/gjavah.c: Ditto.
13604 * java/zextract.c: Ditto.
13605 * java/jcf-io.c: Ditto.
13606 * java/jcf.h: Ditto.
13607 * java/buffer.c: Ditto.
13608 * java/lang.c: Ditto.
13609 * java/parse-scan.y: Ditto.
13610 * java/lex.c: Ditto.
13611 * java/lex.h: Ditto.
13612 * cfgloopmanip.c: Ditto.
13613 * postreload-gcse.c: Ditto.
13614 * tree-ssa-loop-manip.c: Ditto.
13615 * postreload.c: Ditto.
13616 * tree-ssa-loop-ch.c: Ditto.
13619 * cppspec.c: Ditto.
13620 * diagnostic.c: Ditto.
13622 * genoutput.c: Ditto.
13624 * cfghooks.c: Ditto.
13625 * cfgloopanal.c: Ditto.
13626 * objc/objc-act.c: Ditto.
13628 * genextract.c: Ditto.
13629 * genautomata.c: Ditto.
13630 * pretty-print.c: Ditto.
13631 * genemit.c: Ditto.
13632 * cgraphunit.c: Ditto.
13634 * df-scan.c: Ditto.
13635 * haifa-sched.c: Ditto.
13636 * dominance.c: Ditto.
13638 * tree-ssa-loop-ivopts.c: Ditto.
13639 * df-core.c: Ditto.
13640 * mode-switching.c: Ditto.
13641 * modulo-sched.c: Ditto.
13643 * ipa-pure-const.c: Ditto.
13645 * fix-header.c: Ditto.
13647 * tree-stdarg.c: Ditto.
13648 * ipa-utils.c: Ditto.
13649 * loop-init.c: Ditto.
13650 * ipa-inline.c: Ditto.
13651 * cfganal.c: Ditto.
13653 * alloc-pool.c: Ditto.
13654 * dwarf2out.c: Ditto.
13656 * genattrtab.c: Ditto.
13657 * tree-ssa-loop-ivcanon.c: Ditto.
13658 * predict.c: Ditto.
13659 * timevar.c: Ditto.
13661 * fortran/gfortranspec.c: Ditto.
13662 * regmove.c: Ditto.
13663 * local-alloc.c: Ditto.
13664 * langhooks.c: Ditto.
13665 * function.c: Ditto.
13666 * tree-vectorizer.c: Ditto.
13668 * ipa-type-escape.c: Ditto.
13670 * tree-if-conv.c: Ditto.
13671 * profile.c: Ditto.
13673 * tree-data-ref.c: Ditto.
13674 * loop-unroll.c: Ditto.
13675 * treelang/treetree.c: Ditto.
13677 * bt-load.c: Ditto.
13678 * ggc-common.c: Ditto.
13680 * coverage.c: Ditto.
13682 * tree-cfgcleanup.c: Ditto.
13683 * tree-ssa-pre.c: Ditto.
13684 * cfgcleanup.c: Ditto.
13685 * loop-invariant.c: Ditto.
13686 * loop-iv.c: Ditto.
13687 * ipa-prop.c: Ditto.
13688 * print-tree.c: Ditto.
13689 * conflict.c: Ditto.
13690 * ggc-page.c: Ditto.
13691 * sched-deps.c: Ditto.
13692 * regclass.c: Ditto.
13693 * tree-object-size.c: Ditto.
13694 * combine.c: Ditto.
13695 * bb-reorder.c: Ditto.
13696 * resource.c: Ditto.
13697 * var-tracking.c: Ditto.
13698 * cfgloop.c: Ditto.
13699 * df-problems.c: Ditto.
13700 * reg-stack.c: Ditto.
13702 * gccspec.c: Ditto.
13703 * sched-rgn.c: Ditto.
13704 * tree-ssa-structalias.c: Ditto.
13705 * tree-ssa-reassoc.c: Ditto.
13706 * config/darwin-c.c: Ditto.
13707 * config/darwin.c: Ditto.
13708 * config/arm/arm.c: Ditto.
13710 * collect2.c: Ditto.
13711 * reload1.c: Ditto.
13713 2006-01-31 Nicolas Pitre <nico@cam.org>
13715 * arm.md (smaxsi3): Make aware of smax_m1.
13718 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13720 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13722 2006-01-31 Richard Guenther <rguenther@suse.de>
13724 * doc/invoke.texi (-msselibm): Document.
13725 * target.h (expand_library_builtin): New target hook.
13726 * builtins.c (expand_builtin): Use expand_library_builtin.
13727 (default_expand_library_builtin): New function.
13728 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13729 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13730 (link_gcc_math_spec): Declare.
13731 (static_specs): Add link_gcc_math_spec.
13732 * expr.h (default_expand_library_builtin): Declare.
13733 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13734 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13735 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13736 * config/i386/i386.opt (msselibm): New target option.
13737 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13738 (ix86_init_sse_abi_builtins): New function.
13739 (ix86_expand_library_builtin): Likewise.
13740 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13741 (override_options): Handle error conditions wrt -msselibm.
13742 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13743 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13744 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13747 2006-01-31 Richard Guenther <rguenther@suse.de>
13748 Paolo Bonzini <bonzini@gnu.org>
13750 * doc/install.texi (--disable-libgcc-math): Document.
13752 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13754 * expr.h (expand_normal): new inline function.
13755 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13756 * dojump.c: use it.
13757 * dwarf2out.c: use it.
13760 * expmed.c: use it.
13761 * except.c: use it.
13762 * config/sparc/sparc.c: use it.
13763 * config/i386/i386.c: use it.
13764 * config/rs6000/rs6000.c: use it.
13765 * config/arm/arm.c: use it.
13766 * config/mips/mips.c: use it.
13767 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13769 2006-01-30 Roger Sayle <roger@eyesopen.com>
13771 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13772 argv to the appropriate type.
13774 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13776 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13779 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13782 * config/s390/s390.c (struct machine_function): New flag
13783 decomposed_literal_pool_addresses_ok_p.
13784 (s390_reorg): Set it before final stage of literal pool transforms.
13785 (s390_decompose_address): Only accept displacements of the form
13786 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13788 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13790 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13791 the comparison routine return.
13793 2006-01-30 Michael Matz <matz@suse.de>
13795 * global.c (find_reg): Only evict for global regs.
13796 Take n_refs into account and dump more info.
13798 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13801 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13802 (pragma_trap, pragma_nosave_low_regs): Likewise.
13803 (current_function_anonymous_args): Likewise.
13804 (sh_deferred_function_attributes): New variable.
13805 (sh_deferred_function_attributes_tail): Likewise.
13806 (print_operand): For '@', look up trap_exit attribute.
13807 (calc_live_regs): Look up trapa_handler attribute. For trapa
13808 handlers, save/restore fpscr, but don't do any other
13809 interrupt-specific saves.
13810 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13811 Fix check for partially saved registers to check for SHmedia.
13812 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13813 (sh_output_function_epilogue): Don't clear any of the removed
13815 (sh_insert_attributes): Don't check pragma_interrupt.
13816 Insert deferred attributes. Check that interrupt attribute is
13817 present for other attributes that require its presence.
13818 (sh_attribute_table): Add new attributes trapa_handler and
13820 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13821 Don't check for pragma_interrupt. Don't store argument.
13822 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13823 (sh_deferred_function_attributes): Declare.
13824 (sh_deferred_function_attributes_tail): Likewise.
13825 * sh.md (sp_switch_1): Add operand. Change generator caller.
13826 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13827 (*return_i): Don't use when trap_exit attribute is in effect.
13828 (*return_trapa): New insn pattern.
13829 * sh-c.c: New file.
13830 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13831 setting c_target_objs and cxx_target_objs.
13832 * t-sh: Add rule for sh-c.o.
13834 2006-01-30 Richard Guenther <rguenther@suse.de>
13837 * gimplify.c (gimplify_target_expr): Handle easy cases
13838 without creating a temporary.
13840 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13842 * vec.h (safe_grow): Remove duplicated line.
13844 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13847 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13848 (expand_omp): ... here.
13849 (expand_omp_parallel): Only remove barriers for combined
13850 parallel+workshare constructs.
13852 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13856 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13857 * tree.c (build_qualified_type): Chain the new type to the original
13858 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13859 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13860 (build_pointer_type_for_mode): Only return unqualified types.
13861 (build_reference_type_for_mode): Likewise.
13863 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13865 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13866 * Makefile.in (CXX_COMPAT_WARN): Define.
13867 * configure: Regenerate.
13869 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13872 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13875 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13877 * toplev.c: Fix thinko.
13879 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13880 Marcin Dalecki <martin@dalecki.de>
13882 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13883 (push_srcloc): Use XNEW.
13884 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13886 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13888 * df-core.c (df_set_blocks): Deleted all variable.
13890 2006-01-28 Ian Lance Taylor <ian@airs.com>
13892 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13893 cgraph_output_pending_asms.
13895 2006-01-28 Zack Weinberg <zackw@panix.com>
13897 * c.opt: Add -W(no-)overlength-strings.
13898 * doc/invoke.texi: Document it.
13899 * c-opts.c (c_common_handle_option): -pedantic implies
13900 -Woverlength-strings, if not explicitly disabled already.
13901 (c_common_post_options): -Woverlength-strings defaults to off, and
13902 is always off for C++.
13903 * c-common.c (fix_string_type): Issue warning about strings longer
13904 than is portable only if warn_overlength_strings. Rearrange code
13905 a little for clarity.
13906 * configure.in: Check for -Wno-overlength-strings as well before
13907 enabling -pedantic in stage 1.
13908 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13909 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13911 * genconditions.c (write_header, write_one_condition)
13912 (write_conditions, write_writer): Consolidate very long strings
13913 that were broken up to fit in C89 portable limit. Don't use
13914 printf when fputs will do.
13916 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13918 * combine.c (simplify_comparison <AND>): Check
13919 TRULY_NOOP_TRUNCATION before start using a subreg.
13921 * config/mips/mips.md (*branch_zero<mode>,
13922 *branch_zero<mode>_inverted, *branch_equality<mode>,
13923 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13924 Remove mode check from comparisons.
13926 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13928 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13930 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13932 * expmed.c (const_mult_add_overflow_p): Remove.
13933 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13935 * recog.c (validate_replace_rtx_subexp): Remove.
13936 * recog.h: Remove the prototype for
13937 validate_replace_rtx_subexp.
13939 * integrate.h: Remove the prototype for
13940 copy_decl_for_inlining.
13941 * rtl.h: Remove the prototype for mark_constant_function.
13942 * tree-vectorizer.h: Remove the prototype for
13943 vect_strip_conversion.
13945 * modulo-sched.c (create_partial_schedule,
13946 free_partial_schedule, reset_partial_schedule): Make them
13949 * hooks.c (hook_bool_rtx_int_false): Remove.
13950 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13952 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13954 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13955 and -mlong-double-128 are incompatible.
13956 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13957 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13958 (TARGET_LIBGCC2_CFLAGS): Define.
13959 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13960 (TARGET_LIBGCC2_CFLAGS): Same.
13961 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13963 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13966 * c-typeck.c (build_binary_op): Perform implicit casts of
13967 operands before shortening them.
13969 * cfgloopmanip.c (split_loop_bb): Remove.
13970 * cfgloop.h: Remove the prototype for split_loop_bb.
13972 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13973 * cfgloop.h: Remove the prototype for
13974 flow_loop_outside_edge_p.
13976 * emit-rtl.c (init_virtual_regs): Make it static.
13977 * function.h: Remove the prototype for init_virtual_regs.
13979 * recog.c (peephole2_optimize): Make it static.
13980 * recog.h: Remove the prototype for peephole2_optimize.
13982 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13984 * df-scan.c (df_record_entry_block_defs): Check if
13985 INCOMING_RETURN_ADDR_RTX is defined.
13987 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13988 Kenneth Zadeck <zadeck@naturalbridge.com>
13990 PR rtl-optimization/24762
13991 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13992 * targhooks.c (hook_void_bitmap): New hook prototype.
13993 * targhoohs.h (hook_void_bitmap): Ditto.
13994 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13995 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13996 * target.h (live_on_entry): New function pointer.
13997 * df-scan.c (df_all_hard_regs): Removed.
13998 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13999 (df_scan_free_internal): Added df->entry_block_defs.
14000 (df_scan_alloc): Ditto.
14001 (df_scan_dump): Ditto.
14002 (df_uses_record): Plumbed flag field properly thru calls.
14003 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14004 This part fixes PR24762.
14005 (df_bb_refs_record): Added code to make the frame and arg
14006 pointers live in EH blocks.
14007 (df_refs_record): Added call to df_record_entry_block_defs.
14008 (df_record_entry_block_defs): New function.
14009 * df-core.c: Added comments to describe new artifical defs.
14010 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14011 (entry_block_defs): New field in struct df.
14012 (df_all_hard_regs): Deleted.
14013 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14014 * df-problems.c (df_ru_bb_local_compute_process_def):
14015 Added code to handle artifical defs in the entry to a function.
14016 (df_ru_bb_local_compute): Ditto.
14017 (df_rd_bb_local_compute_process_def): Ditto.
14018 (df_rd_bb_local_compute): Ditto.
14019 (df_lr_bb_local_compute): Ditto.
14020 (df_ur_bb_local_compute): Ditto.
14021 (df_urec_bb_local_compute): Ditto.
14022 (df_chain_create_bb): Ditto.
14023 (df_ur_local_finalize): Removed entry.
14024 (df_urec_init): Ditto.
14025 (df_urec_local_finalize): Ditto.
14026 (df_ri_bb_compute): Added detection of last use of pseudos.
14027 * Makefile.in (df-scan.o): Updated dependencies.
14028 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14029 * config/mips/mips.c (mips_set_live_on_entry): Added.
14030 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14032 * dce.c (marked_insn_p): Added code to handle artifical defs.
14034 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14036 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14038 (_mm_cvtsi128_si64): Likewise.
14039 (_mm_cvtsd_si64): Likewise.
14040 (_mm_cvttsd_si64): Likewise.
14041 (_mm_cvtsi64_sd): Likewise.
14042 (_mm_cvtsi64_si128): Likewise.
14043 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14044 (_mm_cvtsi64_m64): Likewise.
14045 (_m_to_int64): Likewise.
14046 (_mm_cvtm64_si64): Likewise.
14047 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14048 (_mm_cvttss_si64): Likewise.
14049 (_mm_cvtsi64_ss): Likewise.
14050 (_mm_cvtss_f32): Likewise.
14052 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14054 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14055 for pragma redefine_extname.
14057 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14060 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14061 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14062 -mno-minimal-toc to previous content.
14063 (bispecs): Remove goal.
14064 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14065 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14066 compatibility aliases on powerpc-*-*gnu*.
14067 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14068 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14069 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14070 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14071 (ldblspecs): New goal.
14072 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14073 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14075 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14076 L_sf_to_tf or L_df_to_tf is defined.
14078 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14079 Alan Modra <amodra@bigpond.net.au>
14082 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14083 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14084 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14085 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14086 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14087 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14088 (rs6000_override_options): Initialize rs6000_ieeequad.
14089 Initialize TFmode format to ibm_extended_format if not
14091 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14093 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14094 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14095 (function_arg_advance): IBM long double passed in two FPRs, not
14097 (function_arg): IBM long double passed in FPRs.
14098 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14099 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14100 Only multireg GPR aligned.
14101 (rs6000_init_libfuncs): Enable IBM long double functions if not
14103 (rs6000_generate_compare): Use IBM long double compare if not
14105 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14106 (TARGET_IEEEQUAD): Define.
14107 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14108 not TARGET_IEEEQUAD.
14109 * config/rs6000/rs6000.md: Enable TFmode patterns if
14111 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14112 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14113 and -mlong-double-128 are incompatible.
14114 * doc/invoke.texi (-mabi): Collect options together. Add
14115 ibmlongdouble and ieeelongdouble.
14117 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14119 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14121 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14122 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14123 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14124 * rtl.h (rtunion_def): Remove rt_ptr.
14126 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14127 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14128 * config/i386/winnt.c (i386_pe_mark_dllexport)
14129 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14131 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14133 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14135 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14139 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14140 pthread_key_delete. From John David Anglin. gthrw-ify
14141 pthread_getunique_np only if it it's not a macro. Delete
14143 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14144 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14145 __gthread_objc_condition_signal, __gthread_key_delete): Add
14146 "__attribute__ ((__unused__))" to unused arguments.
14147 (__gthread_recursive_mutex_init_function): Add missing return.
14148 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14149 gthr-posix95.h: Use macro-based approach for name redirection
14150 on targets missing weakref.
14152 2006-01-26 Zack Weinberg <zackw@panix.com>
14154 * genconditions.c (write_header): In generated code, #ifdef out
14155 all includes and fake declarations, except includes of bconfig.h
14156 and system.h, unless GCC_VERSION >= 3001. Do not include
14157 gensupport.h in any case.
14158 (write_conditions): Generate a definition of struct c_test. Add
14159 a comment to the generated #endif.
14160 (write_one_condition): Escape backslashes in string too.
14161 (write_writer): Generated code must escape backslashes and quote
14162 marks (but not newlines) in the strings it writes.
14163 * Makefile.in (build/gencondmd.o): Update dependencies.
14165 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14168 * Makefile.in (insn-automata.o): Add header file dependencies.
14169 * genautomata.c: Add includes.
14171 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14174 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14176 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14178 * configure.ac: Expect target tools paths to be passed from the toplevel
14179 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14181 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14183 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14186 * c.opt (Wpointer-sign): Init to -1.
14187 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14188 OPT_pedantic, to 0 otherwise.
14189 * doc/invoke.texi: Update.
14191 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14193 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14194 constants provided by 80387 instructions in the destination mode.
14196 2006-01-26 Richard Guenther <rguenther@suse.de>
14197 Andrew Pinski <pinskia@physics.uc.edu>
14200 partial PR tree-opt/17064
14201 * tree-ssa-structalias.c (intra_create_variable_infos):
14202 Create heap variables for incoming parameters if
14203 flag_argument_noalias > 1.
14204 (find_what_p_points_to): Look through default defs of
14207 2006-01-26 Jeff Law <law@redhat.com>
14210 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14211 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14212 within the VR_RANGE, use the VR_RANGE as the result, not the
14214 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14215 bounds for the type.
14217 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14219 * tree-ssa-alias.c (maybe_create_global_var): Change
14220 subvar walking to an assertion that we don't have subvar'd variables.
14222 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14225 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14226 Use a new variable, inner. PARM_DECLs are always non-weak.
14228 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14230 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14231 --disable-checking.
14233 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14235 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14237 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14239 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14240 (smax_insn, smin_insn, smax_0, smin_0): New.
14242 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14245 * config/cris/cris.c (cris_order_for_addsi3): New function.
14246 * config/cris/cris-protos.h: Prototype it.
14247 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14248 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14249 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14250 (split for "op.S1 [rx=rx+i],ry (swapped)")
14251 (split for "op(s|u).S1 [rx=rx+i],ry")
14252 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14253 Apply cris_order_for_addsi3 when generating addsi3 insns.
14255 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14257 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14258 (TREE_BLOCK): Add call to EXPR_CHECK.
14260 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14263 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14264 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14265 (dump_omp_clauses): ... here.
14266 (dump_generic_node): Handle OMP_CLAUSE.
14267 * tree.c (omp_clause_num_ops): New.
14268 (omp_clause_code_name): New.
14269 (tree_code_size): Handle OMP_CLAUSE.
14270 (tree_size): Likewise.
14271 (make_node): Document handling of OMP_CLAUSE.
14272 (tree_node_structure): Handle OMP_CLAUSE.
14273 (omp_clause_check_failed): New.
14274 (omp_clause_range_check_failed): New.
14275 (omp_clause_operand_check_failed): New.
14276 (build_omp_clause): New.
14277 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14278 * tree.h (enum omp_clause_code): Declare.
14279 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14280 (OMP_CLAUSE_RANGE_CHECK): Define.
14281 (OMP_CLAUSE_ELT_CHECK): Define.
14282 (omp_clause_check_failed): Declare.
14283 (omp_clause_operand_check_failed): Declare.
14284 (omp_clause_range_check_failed): Declare.
14285 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14286 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14287 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14288 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14289 (OMP_CLAUSE_IF_EXPR): Likewise.
14290 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14291 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14292 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14293 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14294 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14295 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14296 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14297 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14298 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14299 (OMP_CLAUSE_CODE): Define.
14300 (OMP_CLAUSE_SET_CODE): Define.
14301 (OMP_CLAUSE_CODE): Define.
14302 (OMP_CLAUSE_OPERAND): Define.
14303 (struct tree_omp_clause): Declare.
14304 (union tree_node): Add field 'omp_clause'.
14305 * treestruct.def (TS_OMP_CLAUSE): Define.
14306 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14307 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14308 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14309 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14310 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14311 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14312 (OMP_CLAUSE): Define.
14313 * print-tree.c (print_node): Handle OMP_CLAUSE.
14314 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14315 * c-typeck.c: Likewise.
14316 * gimplify.c: Likewise.
14317 * c-omp.c: Likewise.
14318 * tree-nested.c: Likewise.
14319 * tree-inline.c: Likewise.
14320 * c-parser.c: Likewise.
14321 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14324 2006-01-25 Roger Sayle <roger@eyesopen.com>
14326 PR rtl-optimization/25703
14327 * combine.c (try_combine): Handle zero_extract and strict_low_part
14328 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14330 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14332 * global.c: Fix comment typos.
14334 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14337 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14338 Use output_addr_const instead of assemble_name.
14340 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14342 * Makefile.in (sched-vis.o): Update dependencies.
14343 * haifa-sched.c (sched_finish): Clear current_sched_info.
14344 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14345 (dump_flow_info): Call it.
14346 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14348 * basic-block.h (dump_bb_info): Declare.
14349 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14350 option, and apply options only for dump files whose TDF_RTL,
14351 TDF_TREE, or TDF_IPA bits match.
14352 * rtl.h: Declare new functions exported from sched-vis.c.
14353 * sched-vis.c: Enable also if scheduling is not used.
14354 (print_value): Print the mode of registers if not inside scheduling.
14355 (print_insn): Make it work outside the scheduler. Beautify the output
14357 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14359 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14361 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14362 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14363 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14364 depending on the value of CONSTANT_POOL_ADDRESS_P.
14365 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14367 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14368 rather than SYMBOL_REF_DECL.
14369 (rtx_constant_pool): Remove const_rtx_sym_htab.
14370 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14371 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14372 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14373 Remove handling of const_rtx_sym_htab.
14374 (find_pool_constant): Delete.
14375 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14376 rather than find_pool_constant.
14377 (get_pool_constant_for_function): Delete.
14378 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14379 find_pool_constant.
14380 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14381 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14382 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14383 (SYMBOL_REF_CONSTANT): New macro.
14384 (get_pool_constant_for_function): Delete.
14385 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14386 rather than SYMBOL_REF_DECL.
14387 (i386_pe_mark_dllimport): Likewise.
14388 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14389 rather than SYMBOL_REF_DECL.
14390 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14391 (machopic_indirect_call_target): Likewise.
14393 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14395 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14397 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14399 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14401 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14403 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14405 2006-01-24 David Daney <ddaney@avtrex.com>
14408 * configure.ac (enable_tls): New enable option.
14409 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14410 * configure: Regenerate.
14411 * doc/install.texi (--enable-tls): Document new option.
14412 (--disable-tls): Ditto.
14414 2006-01-24 Richard Henderson <rth@redehat.com>
14416 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14417 * alias.c (true_dependence): Respect it.
14418 (canon_true_dependence, write_dependence_p): Likewise.
14419 * builtins.c (get_builtin_sync_mem): Set it.
14421 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14423 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14426 2006-01-24 DJ Delorie <dj@redhat.com>
14428 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14429 for storing constants in single-bit bitfields.
14431 2006-01-25 Ben Elliston <bje@au.ibm.com>
14433 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14435 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14438 * tree-ssa-pre.c (phi_translate): Return NULL
14439 for AGGREGATE_TYPE's.
14441 2006-01-24 Zack Weinberg <zackw@panix.com>
14443 * genautomata.c (process_state_for_insn_equiv_partition):
14444 Use xcalloc for insn_arcs_array.
14445 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14446 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14448 2006-01-24 Richard Henderson <rth@redhat.com>
14450 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14451 update all callers.
14453 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14455 PR rtl-optimization/25890
14456 PR rtl-optimization/25905
14457 * combine.c (expand_compound_operation, expand_field_assignment):
14458 Fail if the bitfield's final position is out of bounds.
14460 2006-01-24 Ian Lance Taylor <ian@airs.com>
14462 PR middle-end/25930
14463 * cgraphunit.c (cgraph_output_in_order): Don't clear
14464 cgraph_asm_nodes until after asm strings have been output.
14466 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14468 * fix-header.c (read_scan_file): Add new parameter imultilib when
14469 calling register_include_chains.
14471 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14473 * omp-low.c: Update documentation.
14475 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14476 Daniel Berlin <dberlin@dberlin.org>
14480 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14481 return from the function.
14483 2006-01-22 Zack Weinberg <zackw@panix.com>
14485 * rtl.def (match_code): Add second argument.
14486 * genpreds.c (write_extract_subexp): New function.
14487 (write_match_code): Add path argument. Use write_extract_subexp.
14488 (write_predicate_expr): Pass path to write_match_code.
14489 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14490 not perform a mode test.
14491 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14492 a subexpression does not constrain the top-level code set.
14493 * read-rtl.c (read_rtx_variadic): New function.
14494 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14495 * doc/md.texi: Document new notation.
14496 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14497 (cmpsi_operand): ... here, using new notation.
14499 2006-01-22 Zack Weinberg <zackw@panix.com>
14501 * varray.c: Remove GENERATOR_FILE #ifdefs.
14503 2006-01-22 Zack Weinberg <zackw@panix.com>
14505 * genautomata.c (output_reserved_units_table): Emit nothing if
14506 description->query_units_num is zero. Remove extra blank line.
14507 (output_cpu_unit_reservation_p): Short circuit
14508 if description->query_units_num is zero.
14510 2006-01-22 Zack Weinberg <zackw@panix.com>
14512 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14513 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14514 nor any of the random handful of variables that used to be necessary
14515 when this program was linked with rtlanal.o. Prune set of forward
14516 function declarations.
14517 (struct attr_desc): Remove static_p field.
14518 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14519 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14520 (attr_string): Do not read the character one past the length of
14522 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14523 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14524 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14525 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14526 (make_automaton_attrs): New.
14527 (main): Do not call into genautomata. Call local gen_bypass
14528 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14529 Remove special case for insn_alts.
14530 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14531 varray.h (leftover from previous change). Prune set of forward
14532 function declarations. Remove state_alts fields from all
14533 structures. Remove state_alts_table from struct automaton.
14534 Make everything except main static. Do not maintain num_dfa_decls.
14535 Do not maintain state_alts fields of various structures.
14536 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14537 (add_arc): Remove state_alts argument. All callers updated.
14538 (output_reserved_units_table): Emit #ifdef here...
14539 (output_tables): ...not here. Don't generate state_alts tables.
14540 (expand_automata): Don't generate attributes.
14541 (write_automata): Don't generate state_alts functions.
14542 (main): New function.
14543 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14544 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14545 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14546 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14547 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14548 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14549 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14550 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14552 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14553 * genattrtab.h: Delete file.
14554 * Makefile.in (OBJS-common): Add insn-automata.o.
14555 (insn-automata.o): New rule.
14556 (simple_generated_c): Add insn-automata.c.
14557 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14558 (genprogmd): Add automata.
14559 (build/genattrtab): Needs no extra objects nor libraries.
14560 (build/genautomata): Needs build/vec.o and -lm.
14562 2006-01-22 Zack Weinberg <zackw@panix.com>
14564 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14565 (output_dfa_max_issue_rate, locked_states_num): Delete.
14566 (struct automaton): Add locked_states field.
14567 (output_dead_lock_vect): Save number of locked states in
14568 automaton->locked_states. If it is zero, don't print anything.
14569 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14570 (output_internal_dead_lock_func): Only test the dead_lock_vect
14571 for automata that have locked states.
14572 (output_statistics): Always print the number of locked states for
14573 each automaton. Calculate total number of locked states here.
14574 (write_automata): Don't call output_dfa_max_issue_rate.
14575 * genattrtab.c: Define length_unit_log as a const variable.
14576 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14577 max_insn_queue_index const.
14578 * final.c (length_unit_log): Declare const.
14579 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14581 2006-01-22 Zack Weinberg <zackw@panix.com>
14583 * genautomata.c: Include vec.h, not varray.h.
14584 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14585 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14586 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14587 VEC_* macros operating on appropriately typed vectors, or to
14588 malloced arrays when the size is known in advance. Const-ify
14589 many char* variables and function arguments. No functional changes.
14590 * Makefile.in (build/varray.o): Delete rule.
14591 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14592 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14594 2006-01-22 Zack Weinberg <zackw@panix.com>
14596 * gensupport.c: Define get_insn_name and record_insn_name here.
14597 (read_md_rtx): Call record_insn_name as appropriate.
14598 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14599 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14600 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14602 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14603 (BUILD_VARRAY): Delete.
14604 (genprognormal): Rename genprogmd. Fold in all programs from
14605 genprognoprint; also attrtab.
14606 (build/genattrtab): Just mention genautomata.o and varray.o.
14607 Reorganize a bit, add comments to make the categories clearer.
14609 2006-01-22 Zack Weinberg <zackw@panix.com>
14611 * genconditions.c (condition_table, add_condition): Delete.
14612 (write_conditions): Don't emit n_insn_conditions nor
14613 insn_elision_unavailable. Issue the gcc version #ifdef here,
14614 inside the table, with no #else clause ...
14615 (write_header): ...not here.
14616 (write_writer): New function.
14617 (main): Don't initialize condition_table. Use add_c_test.
14619 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14620 files on the command line.
14621 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14622 Return -1 if there is no entry in the table, don't abort.
14623 (add_c_test, traverse_c_tests): New functions.
14624 * gensupport.h (insn_elision_unavailable, insn_conditions)
14625 (n_insn_conditions): Delete declarations.
14626 (add_c_test, traverse_c_tests): Declare.
14627 * read-rtl.c: Include gensupport.h.
14628 (read_conditions): New function.
14629 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14630 (read_rtx_1): If we get EOF when we were looking for an initial
14631 open paren, return 0. Call read_conditions when appropriate.
14632 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14633 dummy-conditions.o. Eliminate references to insn-conditions.o,
14634 or change them to build/gencondmd.o, as appropriate. Remove
14635 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14636 from $(simple_generated_c). For all files remaining in those
14637 two lists, add insn-conditions.md to the generator command line.
14638 Give insn-constants.h/s-constants their own rules. Add rules
14639 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14640 (build/read-rtl.o): Depend on gensupport.h.
14641 (genprognormal): Include preds.
14642 (genprogearly): Rename genprognoprint; only difference is now that
14643 they don't link with $(BUILD_PRINT).
14644 * dummy-conditions.c: Delete.
14646 2006-01-22 Zack Weinberg <zackw@panix.com>
14648 * genextract.c: Don't include insn-config.h. Do include vec.h.
14649 Declare vectors of int, char, and locstr.
14650 (locstr): New typedef.
14651 (struct extraction): Make all array fields into bare pointers.
14652 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14653 (insn_code_number): Delete.
14654 (accum_extract): New struct.
14655 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14656 (gen_insn): Take insn_code_number as an argument. Use an
14657 accum_extract structure instead of loading data directly into
14658 a struct extraction, and having to know how big it might get.
14659 (walk_rtx): Operate entirely on an accum_extract structure.
14660 (print_path): Avoid unnecessary use of printf.
14661 (print_header): New function, split out of main. Distinguish
14662 more carefully between an unrecognizable insn and an insn that
14663 has the code number of a define_expand.
14664 (main): Pass insn_code_number to gen_insn. Call print_header
14665 only after parsing. Avoid unnecessary use of printf.
14666 * Makefile.in (build/vec.o): New rule.
14667 (build/genextract): Depend on build/vec.o.
14668 (build/genextract.o): Don't depend on insn-config.h.
14670 2006-01-22 Zack Weinberg <zackw@panix.com>
14672 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14673 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14674 practical. Eliminate per-generator-program link rules.
14676 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14678 PR middle-end/24437
14679 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14680 with a call expr to ...
14681 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14683 2006-01-23 Richard Guenther <rguenther@suse.de>
14685 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14686 before make_edge with conditional EDGE_TRUE_VALUE.
14688 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14689 Jan Hubicka <jh@suse.cz>
14690 Richard Guenther <rguenther@suse.de>
14692 PR rtl-optimization/25654
14693 * cfgexpand.c (aggregate_contains_union_type): New function.
14694 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14695 for structure variables that contain a union type.
14697 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14699 * gengtype.c (new_structure): Return the structure.
14700 (create_option): Add an extra "next" argument.
14701 (create_field): New function.
14702 (adjust_field_rtx_def): Use create_option and create_field.
14703 Remove a now-unnecessary call to find_structure.
14704 (adjust_field_tree_def): Likewise.
14705 (note_yacc_type): Remove an unnecessary call to find_structure.
14706 * gengtype.h (new_structure): Return the structure.
14707 (create_option): Add an extra argument.
14708 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14709 (option): Adjust calls to create_option.
14711 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14713 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14715 2006-01-22 Paul Brook <paul@codesourcery.com>
14716 Peter Barada <peter@the-baradas.com>
14718 * config/m68k/m68k.md: Add Coldfire FPU support.
14719 Define FP mode macro and associated attributes.
14720 Use it for float mode patterns.
14721 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14722 (LIBCALL_VALUE): Use m68k_libcall_value.
14723 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14724 (m68k_function_value): Ditto.
14725 (emit_move_sequence): Ditto.
14726 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14727 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14728 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14729 (MULTILIB_EXCEPTIONS): Ditto.
14730 * config/m68k/m68k.opt: Add mcfv4e.
14731 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14732 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14733 (m68k_output_function_prologue): Save ColdFire FPU registers.
14734 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14735 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14736 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14737 ColdFire FPU registers.
14738 (m68k_libcall_value, m68k_function_value): New functions.
14739 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14740 (LIBCALL_VALUE): Use m68k_libcall_value.
14741 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14742 (MASK_COLDFIRE): Add MASK_CFV4E.
14743 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14744 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14745 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14746 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14747 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14748 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14749 * doc/invoke.tex: Document -mcfv4e on m68k.
14751 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14753 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14756 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14759 * c-opts.c (c_common_handle_option): Don't include
14760 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14761 * doc/invoke.texi (C++ Dialect Options): Document that
14762 -Wnon-virtual-dtor is no longer included in -Wall.
14764 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14766 * gcov.c (print_version), gcov-dump.c (print_version),
14767 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14770 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14772 * df-scan.c (problem_SCAN): Added NULL reset function.
14773 (df_scan_reset_blocks): Added code to call reset block function
14774 (df_bb_refs_delete) Fixed comment.
14775 (df_insn_refs_delete): Made tolerant of deleting non existent info
14776 for dataflow problems that need to be reset.
14777 * df-core.c (df_set_blocks): Ditto.
14778 * df.h (struct df_problem): Added reset_fun.
14779 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14780 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14781 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14782 functions to clear out all references to def-use or use-def chains.
14784 2006-01-21 Ben Elliston <bje@au.ibm.com>
14786 * varasm.c (assemble_real): Initialise data array.
14788 2006-01-20 Paul Brook <paul@codesourcery.com>
14790 Merge from csl-arm-branch.
14791 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14792 * config/arm/arm.md (movdi): Force operands[1] to a register
14793 if we have a non-register source.
14794 (*arm_movdi, *movdf_soft_insn): Require that one of the
14795 operands be a register.
14796 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14797 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14799 2006-01-20 DJ Delorie <dj@redhat.com>
14801 * varasm.c (initializer_constant_valid_p): Allow pointers
14802 initialized from integer constants of lesser precision.
14803 (output_constant): Allow non-int-sized pointer modes to be
14804 initialized from integer constants.
14806 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14809 * cppdefault.h (struct default_include): Add multilib flag.
14810 * cppdefault.c (cpp_include_defaults): Set it.
14811 * c.opt (-imultilib): New option.
14812 * c-opts.c (imultilib): New.
14813 (c_common_handle_option): Handle -imultilib.
14814 (c_common_post_options): Likewise.
14815 * c-incpath.c (add_standard_paths, register_include_chains):
14817 * c-incpath.h (register_include_chains): Add extra parameter.
14818 * gcc.c (do_spec_1): Generate -imultilib option.
14819 (The Specs Language): Update %I description.
14820 (process_command): Update copyright notice.
14821 * doc/cppopts.texi (-imultilib): Document.
14822 * doc/invoke.texi (-imultilib): Include in option summary.
14823 (%I): Update specs documentation.
14825 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14827 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14829 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14831 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14834 2006-01-20 Richard Guenther <rguenther@suse.de>
14835 Steven Bosscher <stevenb.gcc@gmail.com>
14837 PR rtl-optimization/24626
14838 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14839 EDGE_TRUE_VALUE if in RTL mode.
14842 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14843 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14845 2006-01-20 Dirk Mueller <dmueller@suse.com>
14848 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14849 instead of a special NOP marker.
14850 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14851 NOP marker handling.
14852 * c-common.h (empty_body_warning): Add forward declaration.
14853 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14854 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14856 2006-01-20 Paul Brook <paul@codesourcery.com>
14858 * Makefile.in (lang_checks): Keep going if mkdir fails.
14860 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14862 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14863 be able to clean out basic block when not necessary.
14864 (df_scan_free): Fixed to properly delete information if df is
14865 unused before calling df_finish.
14866 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14867 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14869 (df_bb_refs_delete): New function.
14870 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14871 * df-core.c (df_set_blocks): Added code to properly clean out
14872 unused blocks if they are not part of the blocks to consider.
14873 Added additional null check.
14874 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14875 be able to clean out basic block when not necessary
14876 * df.h (df_free_bb_function): Ditto.
14877 (df_bb_refs_delete): New function.
14878 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14879 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14880 basic block parameter to be able to clean out basic block when not
14882 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14883 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14884 Fixed to properly delete information if df is unused before
14887 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14889 PR rtl-optimization/25799
14890 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14891 Corrected confluence operator to remove bits from op2 before oring
14892 with op1 rather than removing bits from op1.
14893 (df_ru_transfer_function): Corrected test on wrong bitmap which
14894 caused infinite loop. Both of these problems were introduced in
14895 the dataflow rewrite.
14897 2006-01-19 DJ Delorie <dj@redhat.com>
14899 * reload1.c (find_reload_regs): Note the details of reload
14900 failures in the dump file.
14901 (spill_failure): Likewise.
14903 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14905 * loop-iv.c: Include df.h and hashtab.h.
14906 (enum iv_grd_result): New enum.
14907 (DF_REF_IV, DF_REF_IV_SET): New macros.
14908 (struct biv_entry): New.
14909 (df, bivs): New global variables.
14910 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14911 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14913 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14914 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14915 analyzed_for_bivness_p, record_biv): New functions.
14916 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14917 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14918 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14920 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14922 (iv_number_of_iterations): Use new interface to iv analysis.
14923 * loop-unroll.c: Do not include varray.h.
14924 (analyze_iv_to_split_insn): Use new interface to iv
14926 * loop-unswitch.c (may_unswitch_on): Ditto.
14927 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14929 (df_bb_modify): Realloc tables to the new index.
14930 (df_find_use): New function.
14931 * df.h (df_find_use): Declare.
14932 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14934 * cfgloop.h (struct rtx_iv): Remove analysed field.
14935 (iv_get_reaching_def): Removed.
14936 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14937 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14938 (loop-iv.o): Add df.h and hashtab.h dependency.
14939 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14941 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14944 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14946 (__floatundisf, __floatundidf): Likewise.
14947 * libgcc2.h (IS_IBM_EXTENDED): Define.
14949 2006-01-19 DJ Delorie <dj@redhat.com>
14951 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14953 2006-01-19 Paul Brook <paul@codesourcery.com>
14955 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14956 as nothrow when unwinding tables are disabled.
14958 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14961 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14962 of bit-field" when in system header.
14964 2006-01-19 DJ Delorie <dj@redhat.com>
14966 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14967 the 16 bit shift limit of the m16c.
14969 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14972 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14973 * config/i386/i386.c (output_set_got): Output the label if we have one
14974 for the TARGET_DEEP_BRANCH_PREDICTION case.
14976 2006-01-19 Jan Hubicka <jh@suse.cz>
14977 H.J. Lu <hongjiu.lu@intel.com>
14978 Evandro Menezes <evandro.menezes@amd.com>
14980 * invoke.texi (generic): Document
14982 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14983 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14984 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14985 (x86_use_incdec, x86_pad_returns): New variables
14986 (TARGET_CPU_DEFAULT_generic): New constant
14987 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14988 (enum processor_type): Add generic32 and generic64.
14989 * i386.md (cpu attribute): Add generic32/generic64
14990 (movhi splitter): Behave sanely when both partial_reg_dependency and
14991 partial_reg_stall are set.
14992 (K8 splitters): Enable for generic as well.
14993 * predicates.md (incdec_operand): Use TARGET_INCDEC
14994 (aligned_operand): Avoid memory mismatch stalls.
14995 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14996 * ppro.md: Enable for generic32
14997 * i386.c (generic64_cost, generic32_cost): New.
14998 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14999 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15000 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15001 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15002 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15003 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15004 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15005 x86_accumulate_outgoing_args, x86_prologue_using_move,
15006 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15007 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15008 Enable for generic.
15009 (x86_use_incdec, x86_pad_returns): New.
15010 (override_options): Add generic32 and generic64, translate "generic"
15011 to generic32/generic64 and "i686" to "generic32", refuse
15012 "generic32"/"generic64" as arch target.
15013 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15014 (ix86_reorg): Honor PAD_RETURNS.
15016 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15018 * tree-pretty-print.c (dump_generic_node): Handle
15019 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15020 * cgraph.c (cgraph_expand_queue): Rename from
15021 cgraph_analyze_queue. Update all users.
15022 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15023 cgraph_expand_queue.
15024 (cgraph_expand_all_functions): Likewise.
15025 (cgraph_finalize_pending_functions): Remove. Update callers.
15027 * tree.h (OMP_DIRECTIVE_P): Define.
15028 (OMP_PARALLEL_FN): Define.
15029 (OMP_PARALLEL_DATA_ARG): Define.
15030 (OMP_SECTIONS_SECTIONS): Define.
15031 * tree-pass.h (pass_expand_omp): Declare.
15032 * omp-low.c (struct omp_region): Declare.
15033 (struct omp_context): Remove fields 'parallel_type',
15034 'parallel_start_ix' and 'parallel_start_additional_args'.
15036 (struct omp_for_data): Rename from struct expand_omp_for_data.
15037 (omp_regions): New static variable.
15038 (root_omp_region): New static variable.
15039 (find_omp_clause): Make static.
15040 (is_in_combined_parallel_ctx): Remove.
15041 (is_combined_parallel): New.
15042 (extract_omp_for_data): Move earlier in the file.
15043 (workshare_safe_to_combine_p): New.
15044 (get_ws_args_for): New.
15045 (determine_parallel_type): Move earlier in the file.
15046 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15048 (omp_copy_decl): Likewise.
15049 (create_omp_child_function): Likewise.
15050 (lookup_omp_region): New.
15051 (dump_omp_region): New.
15052 (debug_omp_region): New.
15053 (debug_all_omp_regions): New.
15054 (new_omp_region): New.
15055 (scan_omp_parallel): If parallel_nesting_level > 1, the
15056 directive is nested within another parallel directive.
15057 Set OMP_PARALLEL_FN.
15058 (scan_omp_for): Do not try to handle combined parallel+for
15060 Remove FIXME comment.
15061 (scan_omp_nested): Remove.
15062 (scan_omp_1): Do not call scan_omp_nested when
15063 parallel_nesting_level is > 1.
15064 Do not change the DECL_CONTEXT of local variables found.
15065 (lookup_decl_in_outer_ctx): New.
15066 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15067 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15068 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15069 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15070 If CTX is nested, lookup VAR in the outer context when
15071 building copy assignment.
15072 (lower_send_clauses): Rename from expand_send_clauses.
15073 If CTX is nested, lookup VAR in the outer context when
15074 building copy assignments.
15075 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15076 If CTX is nested, lookup VAR in the outer context when
15077 building copy assignments.
15078 (expand_parallel_call): Rename from build_parallel_call.
15079 Handle combined parallel+workshare cases.
15080 Re-implement to emit code into the CFG.
15082 (expand_omp_parallel): Re-implement to emit code into the CFG.
15083 Call move_sese_region_to_fn to outline the sub-graph
15084 containing the parallel region.
15085 (expand_omp_for_1): Remove.
15086 (expand_omp_for_generic): Re-implement to emit code into the
15088 (expand_omp_for_static_nochunk): Likewise.
15089 (expand_omp_for_static_chunk): Likewise.
15090 (expand_omp_for): Likewise.
15091 (expand_omp_sections): Likewise.
15092 (remove_exit_barriers): New.
15093 (expand_omp_synch): New.
15095 (build_omp_regions_1): New.
15096 (build_omp_regions): New.
15097 (execute_expand_omp): New.
15098 (gate_expand_omp): New.
15099 (pass_expand_omp): Define.
15100 (lower_omp_sections): Rename from expand_omp_sections.
15101 Set OMP_SECTIONS_SECTIONS.
15102 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15103 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15104 (lower_omp_single): Rename from expand_omp_simple.
15105 (lower_omp_master): Rename from expand_omp_master.
15106 (lower_omp_ordered): Rename from expand_omp_ordered.
15107 (lower_omp_critical): Rename from expand_omp_critical.
15108 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15109 (lower_omp_for): Re-implement.
15110 (lower_omp_parallel): Re-implement.
15111 (lower_regimplify): Rename from expand_regimplify.
15112 (lower_omp_1): Rename from expand_omp_1.
15113 If there are syntax errors in the program, replace every
15114 OpenMP directive with NOP.
15115 Call lower_omp_* instead of expand_omp_*.
15116 (lower_omp): Rename from expand_omp.
15118 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15119 * tree-gimple.h (enum omp_parallel_type): Remove.
15120 (gimple_boolify): Declare extern.
15121 (find_omp_clause, determine_parallel_type): Remove.
15123 * gimple-low.c (lower_omp_directive): New.
15124 (lower_stmt): Call it.
15125 (record_vars_into): Move from ...
15126 (record_vars): ... here.
15127 Call record_vars_into with current_function_decl.
15129 * gimplify.c (struct gimplify_ctx): Remove fields
15130 combined_pre_p and combined_ctxp. Update users.
15131 (get_formal_tmp_var): Add documentation.
15132 (gimple_boolify): Make extern.
15133 (gimplify_expr_in_ctx): Remove. Update callers.
15134 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15135 will always be a BIND_EXPR.
15136 (gimplify_expr): Handle OMP_RETURN_EXPR.
15137 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15138 (OMP_PARALLEL): Add 3 operands.
15139 (OMP_SECTIONS): Add 1 operand.
15140 (OMP_RETURN_EXPR): Define.
15142 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15143 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15144 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15145 creating a circular free list.
15146 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15148 * tree-flow.h (move_sese_region_to_fn): Declare.
15149 (record_vars_into): Declare.
15150 * tree-cfg.c (make_omp_sections_edges): New.
15151 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15152 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15153 OMP_SECTIONS and OMP_SECTION.
15154 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15155 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15156 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15157 (gather_blocks_in_sese_region): New.
15158 (struct move_stmt_d): Declare.
15159 (move_stmt_r): New.
15160 (move_block_to_fn): New.
15161 (move_sese_region_to_fn): New.
15163 * passes.c (init_optimization_passes): Schedule
15164 pass_expand_omp after pass_init_datastructures.
15166 * tree-ssa-operands.c (get_expr_operands): Handle
15167 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15168 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15170 2006-01-19 Jeff Law <law@redhat.com>
15172 * tree-vrp.c (extract_range_from_assert): Refine the result range
15173 if the variable referenced by the ASSERT_EXPR has a range and
15174 either the tentative result range or the previous range is a
15177 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15179 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15181 2006-01-19 Jan Hubicka <jh@suse.cz>
15183 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15185 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15187 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15188 (expand_compound_operation, expand_field_assignment): Fail if the
15189 bit lengths of an extract operation are out of range.
15190 (make_extraction): Compute wanted_inner_mode based on the position
15191 and length of the extraction. Make it extraction_mode for non-constant
15192 positions, and do not modify offset in that case. When generating a
15193 new MEM, use a mode that can hold the extraction while keeping correct
15194 alignment. Remove code that supported MEMs wrapped by USEs.
15195 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15197 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15199 * config/s390/s390.md ("Y", "y"): New mode attribute.
15200 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15201 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15202 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15203 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15204 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15205 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15206 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15207 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15208 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15209 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15210 "addsi3", "subsi3"): Insn patterns removed.
15211 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15212 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15213 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15214 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15215 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15216 "*sub<mode>3_cconly2"): New insn patterns.
15217 ("addsi3", "subsi3"): New expanders.
15219 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15221 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15222 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15223 existing STMT_VINFO_VECTYPE if available.
15224 (vect_mark_relevant): Add special handling for stmts that are
15225 marked as STMT_VINFO_IN_PATTERN_P.
15226 (vect_analyze_loop): Call vect_pattern_recog.
15227 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15228 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15230 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15231 (vect_recog_func_ptr): New function-pointer type.
15232 * tree-vect-patterns.c: New file.
15233 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15234 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15235 (vect_pattern_recog_1): New functions.
15236 (vect_pattern_recog_funcs): New array of function pointers.
15238 * tree-vectorizer.h (ternary_op): New enum value.
15239 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15240 declaration. Revised documentation. Removed redundant dump prints.
15241 Removed redundant argument. Added support for reduction patterns.
15242 (vectorizable_reduction): Added support for reduction patterns.
15243 (vect_transform_stmt): Added support for patterns.
15245 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15246 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15247 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15248 (expand_widen_pattern_expr): New function.
15249 (init_optabs): Initialize new optabs udot_prod_optab,
15251 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15252 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15253 (expand_widen_pattern_expr): New function declaration.
15254 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15256 * tree-inline.c (estimate_num_insns_1): Added cases for new
15257 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15258 * tree-pretty-print.c (dump_generic_node): Likewise.
15259 (op_prio): Likewise.
15260 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15261 * tree-ssa-operands.c (get_expr_operands): Added case for
15263 * tree-vect-patterns.c (widened_name_p): New function.
15264 (vect_recog_dot_prod_pattern): Added function implementation.
15265 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15266 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15267 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15268 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15270 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15271 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15272 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15273 (init_optabs): Initialize new optabs widen_ssum_optab,
15275 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15276 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15277 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15278 use instead of type of def.
15279 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15280 function implementation.
15281 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15282 widen_ssumv8hi): New.
15284 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15287 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15290 * c-decl.c (add_flexible_array_elts_to_size): New function.
15291 (finish_decl): Use it.
15293 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15295 * diagnostic.h: Include options.h.
15296 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15297 dependancies for diagnostic.h.
15298 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15300 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15302 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15303 (ssa_ro_call_cache_valid): Ditto.
15304 * tree-ssa-alias.c (sort_tags_by_id): New function.
15305 (init_transitive_clobber_worklist): Ditto.
15306 (add_to_worklist): Ditto.
15307 (mark_aliases_call_clobbered): Ditto.
15308 (compute_tag_properties): Ditto.
15309 (set_initial_properties): Ditto.
15310 (compute_call_clobbered): Ditto.
15311 (compute_may_aliases): Call compute_call_clobbered and grouping.
15312 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15313 (compute_flow_insensitive_aliasing): Grouping now happens in our
15315 (setup_pointers_and_addressables): Remove clobbering related code.
15316 (add_may_alias): Ditto.
15317 (replace_may_alias): Ditto.
15318 (get_nmt_for): Ditto.
15319 (create_global_var):
15320 (is_escape_site): Return an escape_type enumeration.
15321 * tree-flow-inline.h (is_call_clobbered): Global var does not
15322 imply call clobbered.
15323 (mark_call_clobbered): Take a reason for marking this. Remove
15324 marking of globalness, and cache invalidation.
15325 (clear_call_clobbered): Remove cache invalidation code.
15326 * tree-dfa.c (dump_variable): If details is on, dump the reason
15328 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15330 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15331 (struct var_ann_d): Ditto.
15332 (enum escape_type): New.
15333 (mark_call_clobbered): Adjust prototype.
15334 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15335 are never call clobbered.
15336 Record reasons for escaping.
15337 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15338 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15339 (ssa_ro_call_cache_valid): Ditto.
15340 (clobbered_v_may_defs): Ditto.
15341 (clobbered_vuses): Ditto.
15342 (ro_call_vuses): Ditto.
15343 (clobber_stats): New.
15344 (init_ssa_operands): Zero out clobber stats.
15345 (fini_ssa_operands): Print out clobber stats.
15346 (get_call_expr_operands): Pass callee fndecl to
15347 add_call_read_ops).
15348 (add_call_clobber_ops): Remove use of cache.
15349 Add use of PURE_CONST information.
15350 (add_call_read_ops): Remove use of cache.
15351 Add use of static not_read information.
15353 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15355 Introduce TLS descriptors for i386 and x86_64.
15356 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15357 (TARGET_ANY_GNU_TLS): New macro.
15358 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15359 (struct machine_function): Add tls_descriptor_call_expanded_p.
15360 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15361 (ix86_current_function_calls_tls_descriptor): Likewise.
15362 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15363 (override_options): Introduce gnu2 tls dialect.
15364 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15366 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15368 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15369 (ix86_init_machine_status): Initialize new field.
15370 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15371 (ix86_tls_module_base): New.
15372 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15373 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15374 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15375 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15376 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15377 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15378 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15379 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15380 * config/i386/predicates.md (tls_modbase_operand): New.
15381 (tp_or_register_operand): New.
15383 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15385 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15386 (look_for_address_of): Ditto.
15387 (ipa_init): Walk the function decls.
15388 (static_execute): Don't set readonly on FUNCTION_DECL's.
15390 2006-01-18 Roger Sayle <roger@eyesopen.com>
15392 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15393 for shifts where the source and destination registers are different.
15395 2006-01-18 Paul Brook <paul@codesourcery.com>
15397 Merge from csl-arm-branch.
15398 2005-03-14 Julian Brown <julian@codesourcery.com>
15399 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15400 (aeabi_llsl): Likewise.
15401 (ashrdi3): Likewise.
15402 (aeabi_lasr): Likewise.
15403 (lshrdi3): Likewise.
15404 (aeabi_llsr): Likewise.
15405 2005-03-10 Julian Brown <julian@codesourcery.com>
15406 * config.gcc: Disable shared libgcc for SymbianOS.
15407 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15409 2006-01-18 DJ Delorie <dj@redhat.com>
15411 * c-pragma.c (handle_pragma_diagnostic): New.
15412 (init_pragma): Register it.
15413 * doc/extend.texi: Document it.
15415 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15416 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15417 (diagnostic_context): Add classify_diagnostic[].
15418 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15419 as errors if they're overridden to DK_WARNING.
15420 (diagnostic_initialize): Initialize classify_diagnostic[].
15421 (diagnostic_set_kind_override): New.
15422 (diagnostic_report_diagnostic): Check for kind changes.
15423 * opts.c (common_handle_option): Take lang_mask. Update callers.
15424 Handle OPT_Werror_.
15425 * common.opt (Werror=): New.
15426 * doc/invoke.texi: Document -Werror=*
15428 2006-01-18 Jeff Law <law@redhat.com>
15430 * tree-vrp.c (test_for_singularity): Correct test for new
15431 min limit. Use operand_equal_p rather than pointer equality
15432 for testing if new min/max values are equal.
15434 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15435 using range information until after propagation and folding.
15437 2006-01-18 Richard Henderson <rth@redhat.com>
15438 Aldy Hernandez <aldyh@redhat.com>
15439 Jakub Jelinek <jakub@redhat.com>
15440 Diego Novillo <dnovillo@redhat.com>
15442 * omp-low.c: New file.
15443 * c-omp.c: New file.
15445 2006-01-18 Richard Henderson <rth@redhat.com>
15446 Jakub Jelinek <jakub@redhat.com>
15447 Diego Novillo <dnovillo@redhat.com>
15449 * doc/invoke.texi: Document -fopenmp.
15450 * tree-dump.h (debug_function): Declare.
15451 * hooks.c (hook_bool_tree_bool_false): New function.
15452 (hook_tree_tree_null): Remove.
15453 (hook_tree_tree_tree_null): New.
15454 * hooks.h: Update to match.
15455 * tree-pretty-print.c (debug_tree_chain): New.
15456 (print_generic_expr): Handle TDF_CHAIN.
15457 (dump_generic_node): Handle BLOCK.
15458 Do not abort with incomplete SWITCH_EXPRs.
15459 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15460 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15461 print space after directive name.
15462 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15463 Handle OMP_MASTER and OMP_ORDERED.
15464 Handle printing of OMP_BODY just in one place, goto
15465 dump_omp_body in the rest of OMP_* nodes that have
15467 Don't handle clause nodes here. Update omp statements to
15468 use dump_omp_clauses.
15469 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15470 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15471 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15472 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15473 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15474 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15475 Adjust output for GOMP_PARALLEL.
15476 (dump_omp_clauses): New.
15477 (print_declaration): Dump DECL_VALUE_EXPR.
15478 (op_symbol_1): Split out of op_symbol.
15479 (dumping_stmts): Remove. Update all users.
15480 * cgraph.c (cgraph_analyze_queue): New.
15481 (cgraph_add_new_function): New.
15482 * cgraph.h (cgraph_analyze_queue): Declare.
15483 (cgraph_add_new_function): Declare.
15484 (cgraph_lower_function): Remove.
15485 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15486 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15487 and TYPE_P nodes in its default clause.
15488 (empty_body_p): New.
15489 (tree_range_check_failed): New.
15490 (build5_stat): New.
15491 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15492 OMP_CLAUSE_REDUCTION_MERGE,
15493 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15494 OMP_CLAUSE_PRIVATE_DEBUG,
15495 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15496 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15497 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15498 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15499 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15500 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15501 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15502 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15503 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15504 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15505 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15506 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15507 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15508 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15509 (TREE_RANGE_CHECK): New.
15510 (empty_body_p): Declare.
15511 (enum omp_clause_default_kind): New.
15512 (build_string_literal): Declare.
15513 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15514 (build5_stat, build5): Declare.
15515 * tree-pass.h (TDF_CHAIN): Define.
15516 * tree-pass.h (PROP_gimple_lomp): Define.
15517 (pass_lower_omp): Declare.
15518 * diagnostic.h (debug_tree_chain): Declare.
15519 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15521 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15522 * builtins.c (build_string_literal): Make extern.
15523 * gcc.c (include_spec_function): New.
15524 (static_spec_functions): Add it.
15525 (main): Move load of libgomp.spec ...
15526 (LINK_COMMAND_SPEC): ... here.
15527 (link_gomp_spec): New.
15528 (static_specs): Include it.
15529 (LINK_COMMAND_SPEC): Add link_gomp.
15530 (GOMP_SELF_SPECS): New.
15531 (driver_self_specs): Include it.
15532 (switch_matches): Don't mark inline.
15533 (main): Load libgomp.spec.
15534 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15535 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15536 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15537 * tree-gimple.h (enum omp_parallel): Declare.
15538 (determine_parallel_type): Declare.
15539 (omp_firstprivatize_variable): Declare.
15540 (omp_reduction_init): Declare.
15541 (diagnose_omp_structured_block_errors): Declare.
15542 (struct walk_stmt_info): Add want_return_expr.
15543 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15544 (find_omp_clause): Declare.
15545 (insert_field_into_struct): Declare.
15546 (struct walk_stmt_info): Move from tree-nested.c
15547 (walk_stmts): Declare.
15548 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15550 * cgraphunit.c (cgraph_lower_function): Make static.
15551 (cgraph_finalize_pending_functions): New.
15552 (cgraph_finalize_function): Call it.
15553 (cgraph_finalize_compilation_unit): Likewise.
15554 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15555 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15556 (BT_FN_UINT_UINT): New.
15557 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15558 DEF_FUNCTION_TYPE_VAR_4): Document.
15559 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15560 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15561 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15562 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15563 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15564 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15565 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15566 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15567 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15568 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15569 into separate files.
15570 (DEF_GOMP_BUILTIN): New.
15571 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15572 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15573 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15574 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15575 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15576 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15577 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15578 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15579 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15580 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15581 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15582 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15583 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15584 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15585 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15586 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15587 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15588 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15589 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15590 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15591 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15592 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15593 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15594 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15595 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15596 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15597 * sync-builtins.def: New file, moved from builtins.def.
15598 * omp-builtins.def: New file, moved from builtins.def.
15599 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15600 * gimple-low.c (lower_function_body): Clear data.
15601 (lower_stmt): Do not handle COMPOUND_EXPR.
15602 Remove call to print_node_brief.
15603 * c-tree.h (c_finish_omp_clauses): New prototype.
15604 (C_DECL_THREADPRIVATE_P): Define.
15605 (lookup_name_no_remap, c_omp_remap_private): Remove
15606 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15607 (check_for_loop_decls): Update decl.
15608 (lookup_name_no_remap, c_omp_remap_private): Declare.
15609 (build_indirect_ref, build_modify_expr, pushdecl,
15610 pushdecl_top_level): Move to c-common.h.
15611 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15612 before the switch, but just in the 2 places that need it.
15613 * c-decl.c (diagnose_mismatched_decls): Do not check for
15614 mismatched thread-local attributes when OLDDECL is marked
15615 threadprivate and NEWDECL has no thread-local attributes.
15616 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15617 (c_gimple_diagnostics_recursively): Rename from
15618 c_warn_unused_result_recursively. Invoke
15619 diagnose_omp_structured_block_errors.
15620 (check_for_loop_decls): Return a singular decl found.
15621 * langhooks.c (lhd_omp_predetermined_sharing): Return
15622 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15623 (lhd_omp_firstprivatize_type_sizes): New.
15624 (lhd_omp_assignment): New.
15625 (lhd_omp_predetermined_sharing): New.
15626 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15627 (struct lang_hooks_for_types): Add
15628 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15629 omp_predetermined_sharing, omp_disregard_value_expr,
15630 omp_private_debug_clause, omp_clause_default_ctor,
15631 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15632 (c_finish_omp_clauses): New.
15633 (c_finish_bc_stmt): Diagnose break within omp for.
15634 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15635 (build_unary_op): Return error_mark after reporting
15637 (build_modify_expr): Likewise.
15638 * gimplify.c: Include optabs.h and pointer-set.h.
15639 (enum gimplify_omp_var_data): Declare.
15640 (struct gimplify_omp_ctx): Declare.
15641 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15643 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15644 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15645 (splay_tree_compare_decl_uid): New.
15646 (new_omp_context): New.
15647 (delete_omp_context): New.
15648 (gimple_add_tmp_var): Call omp_add_variable.
15649 (gimplify_bind_expr): Likewise.
15650 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15651 true, disregard DECL_VALUE_EXPR on the decl if any.
15652 (gimplify_expr_in_ctx): New.
15653 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15654 omp_add_variable, omp_notice_variable, omp_is_private
15655 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15656 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15657 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15658 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15659 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15660 gimplify_omp_atomic): New.
15661 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15662 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15663 OMP_CRITICAL and OMP_ATOMIC.
15664 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15665 * c-pragma.h (enum pragma_kind): Add
15666 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15667 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15668 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15669 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15670 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15671 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15672 PRAGMA_OMP_THREADPRIVATE.
15673 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15674 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15675 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15676 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15677 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15678 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15679 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15680 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15681 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15682 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15683 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15684 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15685 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15687 (struct nesting_info): Add field_map,
15688 suppress_expansion, debug_var_chain.
15689 (create_nesting_tree): Initialize them.
15690 (lookup_field_for_decl): Use field_map.
15691 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15692 (convert_local_omp_clauses): New.
15693 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15694 (walk_body): Split out of walk_function.
15695 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15696 (convert_nonlocal_reference): Handle omp statements.
15697 (convert_local_reference): Likewise.
15698 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15699 (unnest_nesting_tree): New.
15700 (lower_nested_functions): Call it.
15701 (insert_field_into_struct): Make extern.
15702 (struct walk_stmt_info): Move to tree-gimple.h.
15703 (walk_stmts): Make extern.
15704 * omp-builtins.def: New file.
15705 * tree-iterator.c (expr_only): Clarify comment.
15706 * c-common.h (pushdecl_top_level, pushdecl,
15707 build_modify_expr, build_indirect_ref,
15708 c_finish_omp_master, c_finish_omp_critical,
15709 c_finish_omp_ordered, c_finish_omp_barrier,
15710 c_finish_omp_atomic, c_finish_omp_flush,
15711 c_finish_omp_for, c_split_parallel_clauses,
15712 omp_clause_default_kind, c_omp_sharing_predetermined,
15713 c_omp_remap_decl): Declare.
15714 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15715 (OBJS-common): Add omp-low.o.
15716 (c-omp.o, omp-low.o): Add.
15717 (gimplify.o): Add dependency on $(OPTABS_H).
15718 (GTFILES): Add omp-low.c.
15719 (gt-stringpool.h): Add.
15720 * tree-cfg.c (set_bb_for_stmt): Do not update the
15721 block-to-labels map if we are currently expanding to RTL.
15722 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15724 Handle IDENTIFIER_NODE.
15725 (tree_verify_flow_info): Do not ICE when emitting error
15726 messages about invalid labels.
15727 (dump_function_to_file): Reset CFUN before emitting the body
15729 (debug_function): New.
15730 * passes.c (init_optimization_passes): Schedule
15732 * langhooks-def.h (lhd_omp_predetermined_sharing,
15733 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15735 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15736 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15737 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15738 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15739 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15740 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15741 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15742 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15743 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15744 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15745 (LANG_HOOK_DECLS): Use them.
15747 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15748 Richard Henderson <rth@redhat.com>
15749 Jakub Jelinek <jakub@redhat.com>
15750 Diego Novillo <dnovillo@redhat.com>
15752 * c-parser.c (pragma_omp_clause): Define.
15753 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15754 (c_parser_compound_statement): Likewise.
15755 (c_parser_statement): Likewise.
15756 (c_parser_pragma): Handle omp pragmas.
15757 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15758 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15759 (c_parser_omp_clause_name, check_no_duplicate_clause,
15760 c_parser_omp_variable_list,
15761 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15762 c_parser_omp_clause_copyprivate,
15763 c_parser_omp_clause_default,
15764 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15765 c_parser_omp_clause_lastprivate,
15766 c_parser_omp_clause_nowait,
15767 c_parser_omp_clause_num_threads,
15768 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15769 c_parser_omp_clause_reduction,
15770 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15771 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15772 c_parser_omp_atomic, c_parser_omp_barrier,
15773 c_parser_omp_critical, c_parser_omp_flush,
15774 c_parser_omp_for_loop, c_parser_omp_for,
15775 c_parser_omp_master, c_parser_omp_ordered,
15776 c_parser_omp_sections_scope, c_parser_omp_sections,
15777 c_parser_omp_parallel, c_parser_omp_single,
15778 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15779 * c-pragma.c (init_pragma): Do omp pragma registration here.
15780 * c.opt (fopenmp): New flag.
15782 2006-01-18 Eric Christopher <echristo@apple.com>
15784 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15785 * config/darwin.h (GOMP_SELF_SPECS): Define.
15787 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15789 * rtl.h: Remove the prototype for reg_alloc.
15791 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15794 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15795 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15796 sjlj and dwarf2 exception handling.
15797 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15798 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15799 * pa/pa.c (function_value): Treat complex and vector types as
15801 (function_arg): Likewise. Only pass scalar floats in the floating
15802 point argument registers.
15803 * pa/t-slibgcc-dwarf-ver: New file.
15804 * pa/t-slibgcc-sjlj-ver: New file.
15805 * pa/t-slibgcc-elf-ver: Delete file.
15807 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15809 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15810 unlikely_test_section_p test.
15812 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15814 * mode-switching.c (optimize_mode_switching): Make it static.
15815 * basic-block.h: Remove the prototype for
15816 optimize_mode_switching.
15818 * modulo-sched.c (sms_schedule): Make it static.
15819 * rtl.h: Remove the prototype for sms_schedule.
15821 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15822 * rtl.h: Remove the prototype for gcse_after_reload_main.
15824 * reg-stack.c (reg_to_stack): Make it static.
15825 * rtl.h: Remove the prototype for reg_to_stack.
15827 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15829 * rtl.h: Remove the prototypes for regrename_optimize and
15830 copyprop_hardreg_forward.
15832 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15834 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15835 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15836 Test against the appropriate null constant for the mode.
15837 If 'fixup_overlap' is true, swap the operands if they overlap.
15838 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15839 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15840 alpha_split_tmode_pair and adjust for above change.
15841 * config/alpha/alpha.md (movtf_internal): Adjust call to
15842 alpha_split_tfmode_pair and rely on it to swap the operands.
15843 (movti_internal): New insn and post-reload splitter.
15844 (movti): New expander.
15846 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15848 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15851 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15853 * rtlanal.c (global_reg_mentioned_p_1,
15854 global_reg_mentioned_p): Remove.
15855 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15857 * flow.c (initialize_uninitialized_subregs): Make it static.
15858 * rtl.h: Remove the prototype for
15859 initialize_uninitialized_subregs.
15861 * function.c (instantiate_virtual_regs): Make it static.
15862 * function.h: Remove the prototype for
15863 instantiate_virtual_regs.
15865 * regmove.c (regmove_optimize, combine_stack_adjustments):
15867 * rtl.h: Remove the prototypes for regmove_optimize and
15868 combine_stack_adjustments.
15870 2006-01-17 Roger Sayle <roger@eyesopen.com>
15872 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15873 (size_cost): Encode costs in bytes so that a reg-reg addition is
15874 equivalent to COSTS_N_INSNS(1).
15875 (override_options): Use the size_cost.branch_cost as the default
15876 ix86_branch_cost when optimizing for size.
15878 2006-01-18 Ben Elliston <bje@au.ibm.com>
15880 * Makefile.in (D32PBIT_FUNCS): New.
15881 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15882 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15883 D64PBIT_FUNCS and D128PBIT_FUNCS.
15884 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15885 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15887 (decnumber_dep): Define.
15888 * doc/libgcc.texi (Decimal float library routines): New node.
15889 * config/dfp-bit.h, config/dfp-bit.c: New files.
15891 2006-01-18 Ben Elliston <bje@au.ibm.com>
15893 * expr.c (emit_move_change_mode): Always adjust addresses, not
15894 just during reload. Copy replacements only during reload.
15895 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15896 emit_move_via_integer.
15898 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15900 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15901 instead of $(srcdir) and ${srcdir}.
15903 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15906 PR middle-end/11135
15907 * arm.h (struct machine_function): Add pic_reg.
15908 * arm.c (arm_pic_register): Make unsigned.
15909 (arm_override_options): Only set arm_pic_register if
15910 TARGET_SINGLE_PIC_BASE.
15911 (use_return_insn): Only test for a pic register if it is fixed.
15912 (arm_compute_save_reg0_reg12_mask): Likewise.
15913 (thumb_compute_save_reg_mask): Likewise.
15914 (legitimate_pic_operand): Factor out some known invariants.
15915 (legitimize_pic_address): If we don't have a fixed pic register,
15916 then set up a pseudo in the function entry sequence. Handle the
15917 pic base being in a pseudo.
15918 (arm_load_pic_register): Handle the pic register being in a pseudo.
15919 (arm_expand_prologue): Only set up the pic register if it is fixed.
15920 (thumb_expand_prologue): Likewise.
15921 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15922 (pic_load_addr_based_insn): Likewise.
15923 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15926 2006-01-18 Ben Elliston <bje@au.ibm.com>
15928 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15929 decimal float modes for all floating point registers.
15931 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15932 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15934 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15937 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15938 even when the pointer is not NULL.
15940 2006-01-16 Ian Lance Taylor <ian@airs.com>
15942 * common.opt (ftoplevel-reorder): New option.
15943 * cgraph.c (cgraph_asm_nodes): New global variable.
15944 (cgraph_asm_last_node): New static variable.
15945 (cgraph_order): New global variable.
15946 (cgraph_create_node): Set new order field.
15947 (cgraph_varpool_node): Likewise.
15948 (decide_is_variable_needed): Return true if not
15949 flag_toplevel_reorder.
15950 (cgraph_add_asm_node): New function.
15951 * cgraph.h (struct cgraph_node): Add order field.
15952 (struct cgraph_varpool_node): Add order field.
15953 (struct cgraph_asm_node): Define.
15954 (cgraph_asm_nodes, cgraph_order): Declare.
15955 (cgraph_add_asm_node): Declare.
15956 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15958 (cgraph_varpool_assemble_pending_decls): Call it.
15959 (cgraph_output_pending_asms): New static function.
15960 (cgraph_finalize_compilation_unit): Call it.
15961 (struct cgraph_order_sort): Define.
15962 (cgraph_output_in_order): New static function.
15963 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15964 !flag_toplevel_reorder case.
15965 * c-parser.c: Include "cgraph.h".
15966 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15968 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15969 than -fno-unit-at-a-time.
15970 * doc/invoke.texi (Option Summary): Mention
15971 -fno-toplevel-reorder.
15972 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15973 -funit-at-a-time documentation.
15975 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15976 Kazu Hirata <kazu@codesourcery.com>
15978 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15980 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15982 * Makefile.in (FUNCTION_H): New. Use it instead of
15983 function.h throughout the file.
15984 * function.h: Include tree.h.
15986 2006-01-17 Ben Elliston <bje@au.ibm.com>
15988 * recog.c: Separate some functions with whitespace.
15990 2006-01-16 Richard Henderson <rth@redhat.com>
15992 Merge from gomp branch:
15993 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15994 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15995 and rename from struct inline_data. Rename callee* to dst*;
15996 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15997 transform_new_cfg, transform_return_to_modify, and
15998 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16000 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16001 (copy_decl_for_dup): Remove.
16002 * tree-inline.c (struct inline_data): Move to header.
16003 (insert_decl_map): Export.
16004 (remap_decl): Update for member name changes. Use copy_decl hook.
16005 Allow for replacement to be a non-decl. Remove dead code.
16006 (remap_type_1): Check for existing mapping.
16007 (remap_type): Export.
16008 (remap_decls): Update for member name changes.
16009 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16010 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16011 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16012 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16013 (tree_function_versioning, build_duplicate_type): Likewise.
16014 (copy_body_r): Likewise. Export.
16015 (copy_decl_for_dup): Split into ...
16016 (copy_decl_for_dup_finish, copy_decl_to_var,
16017 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16018 (replace_ref_tree, inlining_p): Remove.
16020 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16022 * ifcvt.c (if_convert): Make it static.
16023 * rtl.h: Remove the prototype for if_convert.
16025 * local-alloc.c (local_alloc): Make it static.
16026 * rtl.h: Remove the prototype for local_alloc.
16028 * loop.c (loop_optimize): Make it static.
16029 * cfgloop.h: Remove the prototype for loop_optimize.
16032 2006-01-16 DJ Delorie <dj@redhat.com>
16034 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16037 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16039 * pa.md: Disparage copies between general and floating-point registers
16040 in 32-bit move patterns.
16042 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16045 * Makefile.in (check-%): Depend on site.exp instead of
16046 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16049 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16051 * global.c (global_alloc): Make it static.
16052 * rtl.h: Remove the prototype for global_alloc.
16054 2006-01-16 Richard Guenther <rguenther@suse.de>
16056 * tree-ssa-alias.c (struct used_part): Add write_only field.
16057 (get_or_create_used_part_for): Initialize it to true.
16058 (create_overlap_variables_for): Don't create structure variables
16059 for structures that only are written to.
16060 (find_used_portions): Handle MODIFY_EXPR to track whether a
16061 structure is only written to.
16063 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16065 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16067 * basic-block.h: Remove the prototype for
16068 partition_hot_cold_basic_blocks.
16070 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16072 * cppspec.c (lang_specific_spec_functions): Remove.
16073 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16074 * gcc.h (lang_specific_spec_functions): Remove.
16075 * gccspec.c (lang_specific_spec_functions): Remove.
16077 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16079 * combine.c (record_value_for_reg): Invalidate registers
16081 (record_dead_and_set_regs_1): Likewise, by passing them to
16082 record_value_for_reg.
16083 (record_dead_and_set_regs): Invalidate stores made by a
16084 call. We do not combine across a call, but we still
16085 relied on equivalences.
16087 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16089 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16090 vrp_int_const_binop returning non-constant nodes.
16092 2006-01-16 Paul Brook <paul@codesourcery.com>
16094 * config/m68k/m68k.c (output_move_const_into_data_reg):
16095 Output correct mnemonic for mvz and mvs.
16097 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16099 * rtl-factoring.c: Add sequence abstraction algorithm.
16100 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16101 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16103 (block_has_preserve_label): New function.
16104 * common.opt: Register new pass.
16105 * Makefile.in: Ditto.
16107 * timevar.def: Ditto.
16108 * tree-pass.h: Ditto.
16109 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16110 * rtl.h (make_jump_insn_raw): Add forward decl.
16111 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16113 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16114 Roger Sayle <roger@eyesopen.com>
16116 * fold-const.c (fold_minmax): New static function.
16117 (fold_binary) <MIN_EXPR>: Call it.
16118 <MAX_EXPR>: Likewise.
16119 * stor-layout.c (place_field): Use DECL_SIZE consistently
16120 in the computation of the new record size.
16122 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16124 * cse.c (cse_condition_code_reg): Make it static.
16125 * rtl.h: Remove the prototype for cse_condition_code_reg.
16127 * combine.c (combine_instructions): Make it static.
16128 * rtl.h: Remove the prototype for combine_instructions.
16130 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16133 * tree.c (get_file_function_name_long): Concatenate the first global
16134 object name with a string derived from the input filename of the object
16137 2006-01-16 Ben Elliston <bje@au.ibm.com>
16139 * config/i386/winnt-stubs.c: Update FSF address.
16140 * config/xtensa/ieee754-df.S: Ditto.
16141 * config/xtensa/ieee754-sf.S: Ditto.
16143 2006-01-14 Ian Lance Taylor <ian@airs.com>
16145 * ifcvt.c (noce_init_if_info): New static function, broken out of
16146 noce_process_if_block.
16147 (noce_process_if_block): Call noce_init_if_info.
16148 (check_cond_move_block): New static function.
16149 (cond_move_process_if_block): New static function.
16150 (process_if_block): Call cond_move_process_if_block.
16152 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16154 * cselib.c (hash_table): Rename to cselib_hash_table.
16155 (cselib_clear_table, discard_useless_values,
16156 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16157 cselib_init, cselib_finish): Adjust uses of hash_table.
16159 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16161 PR tree-optimization/25485
16162 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16163 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16164 is known to be false and true, respectively.
16166 2006-01-14 Richard Guenther <rguenther@suse.de>
16168 PR tree-optimization/22548
16169 PR tree-optimization/22555
16170 PR tree-optimization/22501
16171 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16172 * params.def (salias-max-array-elements): New parameter.
16173 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16174 * doc/invoke.texi (salias-max-array-elements): Document.
16175 * tree-flow-inline.h (var_can_have_subvars): We also handle
16177 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16179 * tree-ssa-structalias.c (params.h): Include.
16180 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16181 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16182 (get_constraint_for): For ADDR_EXPR operating on something
16183 containing an ARRAY_REF, add all subvars to the solution.
16184 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16185 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16186 for creating MUST_DEFs.
16187 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16189 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16191 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16193 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16194 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16195 number_of_iterations_le): New functions.
16196 (number_of_iterations_special): Removed.
16197 (number_of_iterations_exit): Do not use number_of_iterations_special.
16198 * tree.c (unsigned_type_for): Always return integer type.
16200 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16201 Richard Guenther <rguenther@suse.de>
16203 PR rtl-optimization/24257
16204 * gcse.c (find_moveable_store): Only consider a store movable
16205 when the SET_SRC of the insn can be assigned to a register.
16207 2006-01-14 Ian Lance Taylor <ian@airs.com>
16209 * tree.c (tree_not_class_check_failed): New function.
16210 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16211 (tree_not_class_check_failed): Declare.
16213 2006-01-13 Ian Lance Taylor <ian@airs.com>
16215 * reload1.c (do_output_reload): Add assertion rejecting a
16218 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16220 * combine.c (struct reg_stat): Add new fields truncation_label and
16222 (record_value_for_reg): Reset truncated_to_mode.
16223 (record_truncated_value): New function.
16224 (check_promoted_subreg): Call it. Rename to check_conversions.
16225 (combine_instructions): Rename check_promoted_subreg to
16227 (reg_truncated_to_mode): New function.
16228 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16229 (gen_lowpart_or_truncate): New function.
16230 (force_to_mode): Use it instead of gen_lowpart.
16232 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16234 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16235 VAR is a tag, not its type tag.
16237 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16239 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16240 alternatives to match style of other entries.
16241 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16243 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16245 PR tree-optimization/25771
16246 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16249 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16252 * tree-inline.c (declare_return_variable): If the return variable
16253 was marked as a non gimple complex, set the return slot variable
16254 to be a non gimple comple variable.
16256 2006-01-13 Richard Guenther <rguenther@suse.de>
16258 * builtins.c (expand_builtin_sincos): New function.
16259 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16261 (expand_builtin): Expand sincos using expand_builtin_sincos.
16263 2006-01-12 DJ Delorie <dj@redhat.com>
16265 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16266 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16267 so that constant shifts can be split.
16268 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16269 (m32c_valid_pointer_mode): Make static.
16270 (shift_gen_func_for): New.
16271 (m32c_prepare_shift): Use it. Split large const shifts into
16273 * config/m32c/predicates.md (shiftcount_operand): Allow more
16275 (longshiftcount_operand): New.
16276 * doc/md.texi (Machine Constraints): Document In6.
16278 2006-01-13 Ben Elliston <bje@au.ibm.com>
16280 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16281 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16284 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16286 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16287 to try to avoid clobbering pieces of structures when we know
16288 something about the whole structure.
16289 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16291 2006-01-13 Ben Elliston <bje@au.ibm.com>
16293 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16294 return in memory, as this is no limitation is no longer present.
16296 2006-01-12 DJ Delorie <dj@redhat.com>
16298 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16299 mova with fb, and for fb+0 -> An.
16301 * config/m32c/mov.md (peephole2): Fix enabling logic.
16303 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16304 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16305 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16306 FINI_ARRAY_SECTION_ASM_OP): Define.
16308 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16310 (m32c_legitimize_reload_address): New logic to reload FB to An.
16311 (m32c_output_reg_push): Add newline.
16312 (m32c_output_reg_pop): Likewise.
16314 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16316 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16318 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16320 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16322 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16324 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16327 2006-01-11 Ben Elliston <bje@au.ibm.com>
16329 * rtlanal.c (find_reg_note): Assert insn is not null.
16331 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16333 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16336 2006-01-11 Jeff Law <law@redhat.com>
16338 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16340 (mark_threaded_blocks, register_jump_thread): New functions.
16341 (thread_through_all_blocks): Remove unwanted argument. No
16342 longer rely on e->aux to communicate thread target info.
16343 Call mark_threaded_blocks. Release the threaded_blocks
16344 bitmap and threaded_edges vector when complete.
16345 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16346 (threaded_blocks): Remove.
16347 (tree_ssa_dominator_optimize): Remove initialization and
16348 finalization of threaded_blocks. Simplify call to
16349 thread_through_all_blocks.
16350 (thread_across_edge): Call register_jump_thread rather than
16351 storing thread information into e->aux.
16352 (free_all_edge_infos): Simplify now that e->aux is no longer
16353 used to communicate with thread_through_all_blocks.
16354 * tree-flow.h (thread_through_all_blocks): Update prototype.
16355 (register_jump_thread): Prototype.
16357 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16359 * df-core.c (df_compact_blocks, df_bb_replace): Use
16360 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16362 2006-01-11 Richard Guenther <rguenther@suse.de>
16364 PR tree-optimization/25734
16365 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16366 stop propagation after successful propagation to the LHS.
16368 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16370 * basic-block.h (control_flow_graph): Change the type of
16371 x_basic_block_info to VEC(basic_block,gc) *.
16372 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16374 (SET_BASIC_BLOCK): New.
16375 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16376 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16377 * cfgbuild.c (find_basic_blocks): Likewise.
16378 * cfglayout.c (fixup_reorder_chain): Likewise.
16379 * cfgrtl.c (create_basic_block_structure,
16380 rtl_create_basic_block): Likewise.
16381 * ifcvt.c (find_if_case_1): Likewise.
16382 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16385 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16387 * Makefile.in: Removed rotted odf.c entry.
16389 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16392 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16393 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16394 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16395 output pattern modifier, not %e.
16396 * config/cris/cris.c (cris_op_str): Update comment about pattern
16398 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16399 before falling through into...
16400 <case 'E'>: Redefined from old 'e' case.
16402 2006-01-11 Jan Hubicka <jh@suse.cz>
16405 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16407 2006-01-11 Jan Hubicka <jh@suse.cz>
16409 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16410 * i386.c (x86_decompose_lea): Kill.
16411 (ix86_rtx_costs): Kill.
16413 2006-01-11 Jan Hubicka <jh@suse.cz>
16415 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16416 * cgraph.h (cgraph_node): Add inline_decl.
16417 (cgraph_insert_node_to_hashtable): Declare.
16418 (save_inline_function_body): Declare.
16419 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16421 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16422 (cgraph_function_versioning): Update call of tree_function_versioning.
16423 (save_inline_function_body): New function.
16424 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16425 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16426 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16427 (cgraph_default_inline_p): Likewise.
16428 (cgraph_decide_inlining_incrementally): Likewise.
16429 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16430 (copy_bb): Kill saving; do updating of clones.
16431 (copy_cfg_body): Kill saving.
16432 (initialize_inlined-parameters): Likewise.
16433 (expand_call_inline): Likewise.
16435 (tree_function_versioning): New parameter "update_clones".
16436 (inlining_p): Kill saving.
16437 * tree-inline.h (tree_function_versioning): Update prototype.
16438 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16441 2006-01-11 Ian Lance Taylor <ian@airs.com>
16443 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16444 Allow undoing set of machine mode.
16445 (do_SUBST): Use enums instead of is_int.
16446 (do_SUBST_MODE): New function.
16447 (SUBST_MODE): New macro.
16448 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16449 reg and trying to replace reg_regno_rtx with a new register.
16450 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16451 (simplify_set): Use SUBST_MODE.
16452 (distribute_notes): Remove code that tried to update reg notes
16453 for regno_reg_rtx changes.
16455 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16457 PR tree-optimization/23109
16458 PR tree-optimization/23948
16459 PR tree-optimization/24123
16461 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16462 * tree-cfg.c (single_noncomplex_succ): New.
16463 * tree-flow.h (single_noncomplex_succ): Declare it.
16464 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16465 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16466 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16467 insert_bb, register_division_in, insert_reciprocals,
16468 replace_reciprocal, free_bb): New.
16469 (execute_cse_reciprocals_1): Rewritten.
16470 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16471 Do not commit any edge insertion. Always compute dominators and
16472 create the allocation pool.
16473 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16474 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16475 * targhooks.c (default_min_divistions_for_recip_mul): New.
16476 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16477 * passes.c (init_optimization_passes): Run recip after tree loop
16479 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16481 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16482 Kenneth Zadeck <zadeck@naturalbridge.com>
16484 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16485 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16486 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16487 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16488 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16489 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16490 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16491 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16492 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16493 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16494 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16495 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16496 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16497 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16498 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16499 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16500 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16501 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16502 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16503 DF_SCAN_POST_ALLOC): New macros.
16504 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16505 df_free_bb_function, df_local_compute_function, df_init_function,
16506 df_dataflow_function, df_confluence_function_0,
16507 df_confluence_function_n, df_transfer_function,
16508 df_finalizer_function, df_free_function, df_dump_problem_function,
16509 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16510 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16511 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16512 df_urec_bb_info, ) New types.
16513 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16515 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16516 df_analyze_simple_change_some_blocks,
16517 df_analyze_simple_change_one_block, df_compact_blocks,
16518 df_bb_replace, df_bb_regno_last_use_find,
16519 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16520 df_insn_regno_def_p, df_find_def, df_find_use,
16521 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16522 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16523 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16524 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16525 debug_df_chain, df_get_dependent_problem, df_chain_create,
16526 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16527 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16528 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16529 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16530 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16531 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16532 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16533 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16534 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16535 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16536 df_reorganize_refs, df_set_state, df_hard_reg_init,
16537 df_read_modify_subreg_p) New public functions.
16538 * df-core.c: The core dataflow solver and glue routines for rtl
16540 (df_init, df_add_problem, df_set_blocks, df_finish,
16541 df_hybrid_search_forward, df_hybrid_search_backward,
16542 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16543 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16544 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16545 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16546 df_reg_defined, df_find_use, df_reg_used, df_dump,
16547 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16548 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16549 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16550 debug_df_useno, reset_df_after_reload): New functions.
16551 * df-scan.c: The scanning fuctions, once in df.c, completely
16552 rewritten so that they now fully model the functionality of
16553 register usage at the backend.
16554 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16555 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16556 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16557 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16558 df_get_artificial_defs, df_get_artificial_uses,
16559 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16560 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16561 df_refs_delete, df_reorganize_refs, df_set_state,
16562 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16563 df_def_record_1, df_defs_record, df_uses_record,
16564 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16565 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16566 df_record_exit_block_uses, df_hard_reg_init): New functions.
16568 * df-problems.c: Seven concrete dataflow problems that use the
16569 scanning in df-scan.c and are solved by the engine in df-core.c.
16570 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16571 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16572 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16573 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16574 df_ru_free_bb_info, df_ru_alloc,
16575 df_ru_bb_local_compute_process_def,
16576 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16577 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16578 df_ru_transfer_function, df_ru_free, df_ru_dump,
16579 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16580 df_rd_free_bb_info, df_rd_alloc,
16581 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16582 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16583 df_rd_transfer_function, df_rd_free, df_rd_dump,
16584 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16585 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16586 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16587 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16588 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16589 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16590 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16591 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16592 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16593 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16594 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16595 df_urec_mark_reg_use_for_earlyclobber,
16596 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16597 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16598 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16599 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16600 df_chain_create_bb_process_use, df_chain_create_bb,
16601 df_chain_finalize, df_chain_free, df_chains_dump,
16602 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16603 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16604 df_reg_lifetime): New functions.
16605 * df.c: Deleted file.
16606 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16607 consistent with new df api.
16608 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16609 rest_of_handle_sms): Ditto.
16610 * web.c (unionfind_union, union_defs, entry_register, web_main):
16612 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16613 invariant_expr_equal_p, find_defs, check_dependencies,
16614 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16615 free_inv_motion_data, move_loop_invariants): Ditto.
16616 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16617 Update dependencies.
16618 (odf.c): Added defective entry that was deleted later in day.
16619 * sched-deps.c (sched_analyze_1): Ditto.
16621 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16623 * tree-ssa-operands.c (get_expr_operands): Record addressable
16624 variables directly. Do not call add_stmt_operands for CONST_DECLs
16626 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16627 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16629 2006-01-11 Ben Elliston <bje@au.ibm.com>
16631 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16632 function returns true in the positive case.
16634 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16637 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16638 for SI, DI, SF and DF modes. Add alternatives to copy between
16639 general and floating point registers to the 32-bit patterns.
16640 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16641 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16642 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16643 generating 64-bit code.
16644 * config/pa/pa.c (output_move_double): Handle copies between general
16645 and floating registers.
16647 2006-01-10 Stuart Hastings <stuart@apple.com>
16649 * config/i386/i386.md (set_got): Update.
16650 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16651 (builtin_setjmp_receiver): Mach-O support.
16652 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16653 (GOT_SYMBOL_NAME): Define.
16654 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16655 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16656 * config/i386/i386.c (override_options): Revise for Darwin.
16657 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16658 support. (darwin_x86_file_end): New. (output_set_got): Add label
16659 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16660 * config/i386/i386-protos.h (output_set_got): Likewise.
16661 * config/darwin.c (machopic_legitimize_pic_address): Update
16664 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16666 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16667 when MODE isn't BLKmode.
16669 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16671 PR rtl-optimization/25367
16672 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16674 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16677 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16678 for a negative bound.
16680 2006-01-10 Richard Guenther <rguenther@suse.de>
16682 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16683 Never override with anything constraint.
16685 2006-01-10 Jan Beulich <jbeulich@novell.com>
16687 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16688 256 bits when optimize_size.
16690 2006-01-10 Jan Beulich <jbeulich@novell.com>
16692 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16694 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16695 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16698 2006-01-10 Ben Elliston <bje@au.ibm.com>
16700 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16702 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16703 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16704 (USE_FP_FOR_ARG): Reject decimal float modes.
16705 (function_arg_advance): Likewise.
16706 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16707 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16708 point types in AltiVec vectors.
16709 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16710 (rs6000_libcall_value): Likewise.
16712 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16714 * config/xtensa/ieee754-df.S: New file.
16715 * config/xtensa/ieee754-sf.S: New file.
16716 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16717 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16718 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16720 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16722 * config/sh/predicates.md (binary_float_operator,
16723 binary_logical_operator, commutative_float_operator,
16724 equality_comparison_operator, greater_comparison_operator,
16725 less_comparison_operator, logical_operator,
16726 noncommutative_float_operator, shift_operator,
16727 symbol_ref_operand, unary_float_operator): Remove redundant
16730 2006-01-09 Jeff Law <law@redhat.com>
16732 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16733 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16734 now unused arguments. Callers updated.
16735 (eliminate_redundant_computations): Remove now unused arguments,
16737 (local_fold): Remove, no longer used.
16738 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16740 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16741 (simplify_cond): New function.
16742 (forward_propagate_into_cond): Call simplify_cond.
16744 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16746 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16747 (*vec_extractv2di_1_sse): New.
16749 2006-01-09 Ben Elliston <bje@au.ibm.com>
16751 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16753 2006-01-08 Richard Guenther <rguenther@suse.de>
16755 * tree-ssa-structalias.c (get_constraint_for): Remove
16756 anyoffset argument.
16757 (get_constraint_for_component_ref): Likewise.
16758 (do_deref): Likewise.
16759 (get_constraint_for): Likewise.
16760 (do_structure_copy): Likewise.
16761 (handle_ptr_arith): Likewise.
16762 (find_func_aliases): Likewise. Remove unused need_anyoffset
16765 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16766 Kaz Kojima <kkojima@gcc.gnu.org>
16768 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16769 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16770 (EXTRA_CONSTRAINT_C16): Remove.
16771 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16772 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16773 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16774 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16775 constants of SHmedia. Handle nested constant expressions of
16777 (andcosts): Fix the costs for SHmedia constants.
16778 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16779 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16780 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16781 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16782 (movv4hi_i, movv2si_i): Likewise.
16783 (movsi_const): Adjust the second operand of ior so to match with
16784 the Csu constraint.
16785 (movdi_const, movdi_const_32bit): Likewise.
16786 (movdi_const_16bit+1): Don't sign-extend LOW.
16787 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16789 (*double_shori): Fix the split condition. Use GEN_INT instead
16790 of get_int_mode calls. Mask lower 16-bit of the argument of
16792 (sym2GOTPLT): Remove.
16793 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16795 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16796 instead of EXTRA_CONSTRAINT_C16.
16798 2006-01-07 Ian Lance Taylor <ian@airs.com>
16799 David Edelsohn <edelsohn@gnu.org>
16801 PR rtl-optimization/25662
16802 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16803 for constant operands instead of simplify_gen_binary.
16804 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16805 after trying simplify_binary_operation
16807 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16809 * tree.c (iterative_hash_expr): Hash decls based on UID.
16811 2006-01-06 Eric Christopher <echristo@apple.com>
16813 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16814 (TARGET_UNWIND_EMIT): Fix spelling.
16815 * target.h (gcc_target): Add except_table_label.
16816 * except.c (output_function_exception_table): Use.
16817 * varasm.c (default_emit_except_table_label): New.
16818 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16820 (asm_out): Add here.
16821 * output.h (default_emit_except_table_label): Prototype.
16822 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16823 * config/darwin.c (darwin_emit_except_table_label): Define.
16824 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16826 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16828 PR tree-optimization/18527
16829 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16830 number_of_iterations_special, number_of_iterations_exit):
16831 Move base and step of an iv to a single structure. Add
16832 no_overflow flag, and use it in # of iterations analysis.
16833 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16834 folded_casts argument.
16835 (simple_iv): Pass base and step in a structure. Set no_overflow
16837 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16838 Evaluate expensiveness of computing # of iterations instead of
16839 the final expression.
16840 * tree-scalar-evolution.h (affine_iv): New structure.
16841 (simple_iv): Declaration changed.
16842 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16843 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16844 find_givs_in_stmt): Changed due to simple_iv change.
16846 2006-01-06 Jeff Law <law@redhat.com>
16849 * tree-cfg.c (bsi_replace): Rename final argument from
16850 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16851 change (stmt -> orig_stmt).
16852 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16853 (bsi_remove): Add new argument. Remove EH information
16855 (verify_eh_throw_table_statements): New function.
16856 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16858 * tree-optimize.c (execute_free_cfg_annotations): Verify
16859 the EH throw statement table after removing annotations.
16860 * except.h (verify_eh_throw_table_statements): Prototype.
16861 * tree-flow.h (bsi_remove): Update prototype.
16862 * tree-vrp.c (remove_range_assertions): Add new argument to
16864 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16865 * tree-complex.c (expand_complex_div_wide): Likewise.
16866 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16867 * tree-tailcall.c (eliminate_tailcall): Likewise.
16868 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16869 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16870 * tree-nrv.c (tree_nrv): Likewise.
16871 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16872 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16873 (combine_blocks): Likewise.
16874 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16875 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16876 (cleanup_control_flow): Likewise.
16877 (remove_forwarder_block): Likewise.
16878 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16879 * tree-sra.c (sra_replace): Likewise.
16880 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16881 (forward_propagate_single_use_vars): Likewise.
16882 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16883 * tree-inline.c (expand_call_inline): Likewise.
16884 * tree-vect-transform.c (vect_transform_loop): Likewise.
16885 * tree-outof-ssa.c (rewrite_trees): Likewise.
16886 * tree-cfg.c (make_goto_expr_edges): Likewise.
16887 (cleanup_dead_labels): Likewise.
16888 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16889 (bsi_move_before, bsi_move_after): Likewise.
16890 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16891 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16893 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16896 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16898 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16899 on non gimple variables. Also add checks at the top for decls and
16901 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16903 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16904 and IMAGPART_EXPR for creating MUST_DEFs.
16905 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16906 and NAME_MEMORY_TAG separately from the DECLs.
16908 2006-01-06 Richard Guenther <rguenther@suse.de>
16910 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16911 annotation, if necessary.
16912 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16913 redundant calls to update_stmt.
16914 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16917 2006-01-05 Richard Henderson <rth@redhat.com>
16919 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16921 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16923 * c-typeck.c: Update copyright date.
16925 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16927 * c-typeck.c (build_c_cast): Always warn when casting
16928 from a pointer to an integer of different size, even if
16929 the node was constant.
16931 2006-01-05 Richard Guenther <rguenther@suse.de>
16933 PR tree-optimization/22555
16934 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16935 if one structure field is an array.
16936 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16937 operands even if we found a subvar, but ignore VOPs in this
16939 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16941 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16943 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16945 PR middle-end/24998
16946 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16948 2006-01-05 Richard Guenther <rguenther@suse.de>
16949 Diego Novillo <dnovillo@redhat.com>
16951 * tree-pass.h (TODO_remove_unused_locals): Define.
16952 * gimple-low.c (expand_var_p, remove_useless_vars,
16953 pass_remove_useless_vars): Remove. Update all users.
16954 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16955 (remove_unused_locals): New function.
16956 * tree-flow.h (remove_unused_locals): Declare.
16957 * passes.c (execute_todo): Call remove_unused_locals if
16958 TODO_remove_unused_locals is set.
16959 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16960 * tree-ssa-dce.c (pass_dce): Likewise.
16961 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16963 2006-01-05 Richard Guenther <rguenther@suse.de>
16965 * tree-flow.h (struct fieldoff): Decompose field to
16966 type, size and decl.
16967 * tree-ssa-alias.c (create_sft): Take type as parameter.
16968 (create_overlap_variables_for): Store type, size and decl
16969 in the fieldoff structure.
16970 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16971 of struct fieldoff.
16972 (push_fields_onto_fieldstack): Likewise.
16973 (create_variable_info_for): Likewise. Use offset for the
16974 SFT name if the decl is not available.
16976 2006-01-04 Paul Brook <paul@codesourcery.com>
16978 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16980 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16982 * lambda-code.c (can_put_in_inner_loop): Relax
16984 (can_put_after_inner_loop): New function.
16985 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16986 (perfect_nestify): Change to make copies and modify uses.
16988 2006-01-04 Richard Henderson <rth@redhat.com>
16990 Merge from gomp branch:
16991 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16992 via integer constant.
16993 (pragma_lex): Remove.
16994 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16995 rather than parsing it.
16996 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16997 handle_pragma_extern_prefix): Add %< %> quotes.
16998 (registered_pragmas): New.
16999 (c_register_pragma_1): New.
17000 (c_register_pragma): Use it.
17001 (c_register_pragma_with_expansion): Likewise.
17002 (c_invoke_pragma_handler): New.
17003 (init_pragma): Use cpp_register_deferred_pragma directly for
17005 * c-pragma.h (enum pragma_kind): New.
17006 (pragma_handler): New.
17007 (c_invoke_pragma_handler): Declare.
17008 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17010 * c-common.h (c_common_pch_pragma): Update decl.
17011 * Makefile.in (c-parser.o): Update dependencies.
17012 (GTFILES): Add c-pragma.h.
17013 * c-parser.c (struct c_token): Add pragma_kind.
17014 (struct c_parser): Add in_pragma.
17015 (c_lex_one_token): Always initialize keyword and pragma_kind.
17016 Extract data for CPP_PRAGMA.
17017 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17018 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17019 Don't allow CPP_PRAGMA_EOL if in_pragma.
17020 (c_parser_consume_pragma): New.
17021 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17022 (c_parser_skip_to_end_of_parameter): Likewise.
17023 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17024 (c_parser_skip_to_pragma_eol): New.
17025 (c_parser_external_declaration): Handle CPP_PRAGMA.
17026 (c_parser_compound_statement_nostart): Likewise.
17027 (c_parser_statement_after_labels): Likewise.
17028 (c_parser_pragma): New.
17029 (pragma_lex): Likewise.
17030 (c_parser_pragma_pch_preprocess): New.
17031 (c_parser_new): Merge into ...
17032 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17034 2006-01-04 Jeff Law <law@redhat.com>
17037 * tree-cfg.c (bsi_replace): Remove the original statement
17038 from the EH throw statement table.
17040 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17042 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17043 make the prototype extern "C" and add throw ().
17046 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17047 and pos non-negative and pos + len <= 32.
17048 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17049 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17050 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17053 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17054 as well as sizes not multiple of component size.
17057 * function.c (instantiate_expr): New function.
17058 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17059 walk its DECL_VALUE_EXPR with instantiate_expr.
17061 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17062 DW_OP_deref{,_size} if address isn't going to be added.
17064 2006-01-04 Ben Elliston <bje@au.ibm.com>
17066 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17067 * config/fp-bit.c: Likewise.
17069 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17071 * dominance.c: Add comment about why we use DFS numbering
17074 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17075 Richard Henderson <rth@redhat.com>
17077 Merge from gomp-branch:
17078 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17079 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17081 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17083 PR rtl-optimization/25578
17084 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17085 pass a parameter to simplify_shift_const if changing ASHIFTRT
17088 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17090 * builtins.c (get_builtin_sync_mem): New function.
17091 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17092 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17093 Call get_builtin_sync_mem to generate mem rtx.
17095 2006-01-03 Richard Guenther <rguenther@suse.de>
17098 * stmt.c (add_case_node): Make sure to clear overflow flags
17101 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17103 Merge from gomp-branch.
17104 * config/sparc/sync.md: New file.
17105 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17106 UNSPECV_LDSTUB): New constants.
17107 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17108 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17109 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17112 2006-01-03 Roger Sayle <roger@eyesopen.com>
17114 * combine.c (reg_subword_p): New predicate to test whether the
17115 destination of a set refers to a subword/piece of a register.
17116 (try_combine): Generalize the code to merge the setting of a
17117 pseudo to a constant followed by a set of a subword of that
17118 register to a constant.
17120 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17122 * basic-block.h (control_flow_graph): Change the type of
17123 x_label_to_block_map to VEC(basic_block,gc) *.
17124 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17125 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17127 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17128 VEC(basic_block,heap) *.
17129 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17130 ssa_prop_fini): Adjust the uses of cfg_blocks.
17132 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17134 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17136 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17137 hashing trees instead of a pointer hash.
17138 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17139 compare for MEM_EXPR.
17141 PR rtl-optimization/25130
17142 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17143 when comparing MEMs for GCSE
17145 2006-01-03 Ben Elliston <bje@au.ibm.com>
17147 * targhooks.h (default_decimal_float_supported_p): Declare.
17148 * targhooks.c (default_decimal_float_supported_p): Define.
17149 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17150 `default_decimal_float_supported_p'.
17151 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17153 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17155 * combine.c (apply_distributive_law <SUBREG>): Check
17156 TRULY_NOOP_TRUNCATION.
17158 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17160 * dwarf2out.c (have_switched_text_section): Delete.
17161 (have_multiple_function_sections): New.
17162 (have_location_lists): Make 'bool'.
17163 (add_AT_loc_list): Use 'true' not '1'.
17164 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17165 (output_loc_list): Use have_multiple_function_sections.
17166 (output_ranges): Likewise.
17167 (dwarf2out_begin_function): Set have_multiple_function_sections if
17169 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17170 Check function_section rather than DECL_SECTION_NAME.
17171 (dwarf2out_finish): Use have_multiple_function_sections.
17172 Don't clear have_location_lists.
17174 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17175 Jan Hubicka <jh@suse.cz>
17177 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17178 case of conditional jump jumping to the next instruction.
17179 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17180 cases of conditional jump jumping to the next instruction.
17182 2006-01-02 Jan Hubicka <jh@suse.cz>
17184 * i386.c (*_cost): Add COSTS_N_INSNS.
17185 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17187 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17190 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17192 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17194 * config/arm/arm.c (all_fpus): Fix comment typo.
17195 * config/darwin.c: Likewise.
17196 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17197 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17198 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17200 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17202 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17203 (rs6000_split_compare_and_swapqhi): New.
17204 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17205 (sync_compare_and_swapqhi_internal): New.
17206 * config/rs6000/rs6000-protos.h: Declare.