1 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3 * c-common.c (flag_cpp0x): New.
4 * c-common.h (flag_cpp0x): New.
5 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
6 supported, define __GXX_EXPERIMENTAL_CPP0X__.
7 * c-opts.c (set_std_cxx0x): New.
8 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
9 * c.opt (std=c++0x): Document.
11 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
12 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
14 2006-11-01 Richard Guenther <rguenther@suse.de>
16 * config/i386/i386.c (ix86_expand_rint): Fix issues with
18 (ix86_expand_floorceildf_32): Likewise.
19 (ix86_expand_floorceil): Likewise.
20 (ix86_expand_trunc): Likewise.
22 2006-10-31 Andrew Pinski <pinskia@gmail.com>
24 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
27 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
29 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
31 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
33 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
35 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
36 * configure.ac (use_cxa_atexit): As a special case, don't test
37 for libc definition of __cxa_atexit on mingw32
38 * configure: Regenerate.
39 * config.gcc (i[34567]86-pc-mingw32): Default to
40 enable__cxa_atexit=yes.
42 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
44 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
46 2006-10-31 Geoffrey Keating <geoffk@apple.com>
49 * c-decl.c (start_struct): Don't create self-containing
51 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
53 * config/rs6000/rs6000-protos.h
54 (darwin_rs6000_special_round_type_align): New.
55 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
56 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
58 2006-10-31 Geoffrey Keating <geoffk@apple.com>
60 * toplev.c (compile_file): Call final_write_globals
61 even if there have been errors.
63 2006-10-31 Eric Christopher <echristo@apple.com>
64 Falk Hueffner <falk@debian.org>
66 * doc/extend.texi (__builtin_bswap32): Document.
67 (__builtin_bswap64): Ditto.
68 * doc/libgcc.texi (bswapsi2): Document.
70 * doc/rtl.texi (bswap): Document.
71 * optabs.c (expand_unop): Don't widen a bswap.
72 (init_optabs): Init bswap. Set libfuncs explicitly
73 for bswapsi2 and bswapdi2.
74 * optabs.h (OTI_bswap): New.
76 * genopinit.c (optabs): Handle bswap_optab.
77 * tree.h (tree_index): Add TI_UINT32_TYPE and
79 (uint32_type_node): New.
80 (uint64_type_node): Ditto.
81 * tree.c (build_common_tree_nodes_2): Initialize
82 uint32_type_node and uint64_type_node.
83 * builtins.c (expand_builtin_bswap): New.
84 (expand_builtin): Call.
85 (fold_builtin_bswap): New.
86 (fold_builtin_1): Call.
87 * fold-const.c (tree_expr_nonnegative_p): Return true
89 * builtin-types.def (BT_UINT32): New.
91 (BT_FN_UINT32_UINT32): Ditto.
92 (BT_FN_UINT64_UINT64): Ditto.
93 * builtins.def (BUILT_IN_BSWAP32): New.
94 (BUILT_IN_BSWAP64): Ditto.
95 * rtl.def (BSWAP): New.
96 * genattrtab.c (check_attr_value): New.
97 * libgcc2.c (__bswapSI2): New.
99 * libgcc2.h (__bswapSI2): Declare.
101 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
102 * simplify-rtx.c (simplify_const_unary_operation): Return
104 * libgcc-std.ver (__bwapsi2): Add.
106 * reload1.c (eliminate_regs_1): Add bswap.
107 (elimination_effects): Ditto.
108 * config/i386/i386.h (x86_bswap): New.
110 * config/i386/i386.c (x86_bswap): Set.
112 2006-10-31 Geoffrey Keating <geoffk@apple.com>
114 * coverage.c (coverage_checksum_string): Update comment.
115 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
116 of get_file_function_name.
117 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
118 of get_file_function_name_long.
119 * tree.c (get_file_function_name): Rename from
120 get_file_function_name_long; improve comment; handle 'I' and 'D'
121 specially when the target has ctor/dtor support; remove special
123 (get_file_function_name): Remove.
124 * tree.h (get_file_function_name): Rename from
125 get_file_function_name_long.
126 (get_file_function_name): Remove prototype.
128 2006-10-31 Geoffrey Keating <geoffk@apple.com>
130 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
131 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
133 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
134 Call dsymutil when compiling and linking one or more source files
137 2006-10-31 Geoffrey Keating <geoffk@apple.com>
140 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
142 2006-10-31 Geoffrey Keating <geoffk@apple.com>
144 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
145 inline static functions in c99 mode.
148 * doc/extend.texi (Inline): Update.
149 * c-tree.h (struct language_function): Remove field 'extern_inline'.
150 * c-decl.c (current_extern_inline): Delete.
151 (pop_scope): Adjust test for an undefined nested function.
152 Add warning about undeclared inline function.
153 (diagnose_mismatched_decls): Update comments. Disallow overriding
154 of inline functions in a translation unit in C99. Allow inline
155 declarations in C99 at any time.
156 (merge_decls): Boolize variables. Handle C99 'extern inline'
158 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
159 C99 inline semantics.
160 (start_function): Don't clear current_extern_inline. Don't set
162 (c_push_function_context): Don't push current_extern_inline.
163 (c_pop_function_context): Don't restore current_extern_inline.
166 * c-typeck.c (build_external_ref): Warn about static variables
167 used in extern inline functions.
168 * c-decl.c (start_decl): Warn about static variables declared
169 in extern inline functions.
171 2006-10-31 Roger Sayle <roger@eyesopen.com>
174 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
175 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
176 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
177 or y is an even integer.
179 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
182 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
183 * gthr-posix95.h (__gthread_active_p): Likewise.
185 2006-10-31 Richard Guenther <rguenther@suse.de>
187 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
188 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
189 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
190 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
191 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
192 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
193 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
194 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
197 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
199 * opts.c (decode_options): Disable CSE skip blocks.
201 2006-10-30 Dirk Mueller <dmueller@suse.de>
203 * c-common.h (strict_aliasing_warning): Fix whitespace.
204 * c-decl (start_function): Move code for main decl warning ..
205 * c-common.c (check_main_parameter_types): .. here.
206 * c-common.h (check_main_parameter_types): Declare.
208 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
211 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
213 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
215 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
216 be a PARALLEL containing sets. Return false when out_pat is not
219 2006-10-30 Richard Sandiford <richard@codesourcery.com>
221 * config/mips/mips.md (mul<mode>3): Split into...
222 (mulsi3, muldi3): ...these separate patterns.
224 2006-10-30 Richard Sandiford <richard@codesourcery.com>
226 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
227 but with each set of options separated by spaces.
229 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
231 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
232 dwarf_reg_size_table has been initialized.
234 2006-10-30 Roger Sayle <roger@eyesopen.com>
236 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
237 * ddg.c (print_ddg_edge): Likewise.
238 * dwarf2out.c (prune_unused_types_walk): Likewise.
239 * ifcvt.c (noce_try_cmove_arith): Likewise.
240 * langhooks.c (add_builtin_function): Likewise.
241 * reg-stack.c (subst_stack_regs_pat): Likewise.
242 * tree.c (expanded_location): Likewise.
243 * tree-dump.c (dequeue_and_dump): Likewise.
245 2006-10-30 David Daney <ddaney@avtrex.com>
247 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
249 2006-10-30 Jakub Jelinek <jakub@redhat.com>
251 PR tree-optimization/29637
252 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
253 of the innertype is the innertype itself.
255 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
257 * dwarf2out.c (file_name_acquire): Correct typo.
259 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
261 * tree.h (tree_value_handle): Remove struct value_set declaration.
262 Change value_set to bitmap_set.
263 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
264 * tree-vn.c (get_value_handle): Made inline and moved to
266 * tree-flow-inline.h: (has_stmt_ann): New function.
267 * tree-ssa-pre.c (expressions): New variable.
268 (next_expression_id): Ditto.
269 (alloc_expression_id): New function.
270 (struct value_set): Remove.
271 (get_expression_id): New function.
272 (get_or_alloc_expression_id): Ditto.
273 (expression_for_id): Ditto.
274 (clear_expression_ids): Ditto.
275 (FOR_EACH_EXPR_ID_IN_SET): New macro.
276 (bb_value_sets): Renamed to bb_bitmap_sets.
277 All value sets replaced with bitmap_sets.
279 (BB_VISITED): New macro.
280 (postorder): New variable.
281 (add_to_value): Removed.
282 (value_exists_in_set_bitmap): Ditto.
283 (value_insert_into_set_bitmap): Ditto.
287 (set_contains_value): Ditto.
288 (insert_into_set): Ditto.
290 (find_leader): Ditto.
291 (bitmap_set_subtract_from_value_set): Ditto.
292 (value_insert_into_set): Ditto.
293 (print_value_set): Ditto.
294 (debug_value_set): Ditto.
295 (constant_expr_p): New function.
296 (bitmap_remove_from_set): Ditto.
297 (bitmap_insert_into_set): Ditto.
298 (bitmap_set_free): Ditto.
300 (sorted_array_from_bitmap_set): Ditto.
301 (bitmap_set_subtract): Ditto.
302 (bitmap_set_equal): Ditto.
303 (debug_bitmap_set): Ditto.
304 (find_leader_in_sets): Ditto.
305 (bitmap_set_replace_value): Modify for bitmapped sets.
306 (phi_translate): Ditto.
307 (phi_translate_set): Ditto.
308 (bitmap_find_leader): Ditto.
309 (valid_in_sets): Ditto.
310 (union_contains_value): Ditto.
312 (compute_antic_aux): Ditto. Mark changed blocks.
313 (compute_antic): Ditto. Iterate in postorder and only over
315 (compute_rvuse_and_antic_safe): Reuse postorder.
316 (create_component_ref_by_pieces): Modify for bitmapped sets.
317 (find_or_generate_expression): Ditto.
318 (create_expression_by_pieces): Ditto.
319 (insert_into_preds_of_block): Ditto.
320 (changed_blocks): New variable.
321 (do_regular_insertion): Broken out from insert_aux.
322 (insert_aux): Modified for bitmapped sets.
323 (find_existing_value_expr): New function.
324 (create_value_expr_from): Use it.
325 (insert_extra_phis): Removed.
326 (print_bitmap_set): Renamed from bitmap_print_value_set.
327 (compute_avail): Handle RETURN_EXPR.
328 (init_pre): Modify for bitmapped sets.
329 * tree-flow.h (has_stmt_ann): New function.
331 2006-10-29 Roger Sayle <roger@eyesopen.com>
333 * builtins.c (fold_builtin_floor): Check for the availability of
334 the C99 trunc function before transforming floor into trunc.
336 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
338 * builtins.c (fold_builtin_hypot): Rearrange recursive
339 transformation before others, and also do ABS_EXPR. When
340 necessary, check flag_unsafe_math_optimizations. When necessary,
343 2006-10-29 Roger Sayle <roger@eyesopen.com>
345 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
346 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
347 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
348 Fold -X eq/ne -Y as X eq/ne Y.
350 2006-10-29 Richard Sandiford <richard@codesourcery.com>
352 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
353 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
354 rather than GENERATE_MULT3_SI in the various define_peephole2s.
355 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
356 Use an inclusive test for "mult" rather than "mul".
357 (rotr<mode>3): Depend on ISA_HAS_ROR.
358 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
360 (GENERATE_MULT3_DI): Delete.
361 (ISA_HAS_64BIT_REGS): Use consistent formatting.
362 (ISA_HAS_MUL3): New macro.
363 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
364 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
365 (ISA_HAS_CLZ_CLO): Likewise.
366 (ISA_HAS_DCLZ_DCLO): Delete.
367 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
368 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
369 the VR4120 and VR4130.
370 (ISA_HAS_MACCHI): Use consistent formatting.
371 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
372 (ISA_HAS_ROR): ...this new macro.
373 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
374 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
375 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
377 2006-10-29 Roger Sayle <roger@eyesopen.com>
379 PR tree-optimization/15458
380 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
383 2006-10-29 Richard Guenther <rguenther@suse.de>
385 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
386 (ix86_expand_truncdf_32): Likewise.
387 * config/i386/i386.c (ix86_expand_trunc): New function expanding
388 trunc inline for SSE math and -fno-trapping-math and if not
390 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
391 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
392 for expanding btrunc inline for SSE math.
394 2006-10-29 Joseph Myers <joseph@codesourcery.com>
396 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
397 Handle tuning for bi-arch i[34567]86-*-linux* like that for
398 i[34567]86-*-solaris2.1[0-9]*.
399 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
400 Define conditionally depending on TARGET_64BIT_DEFAULT.
401 (SPEC_32, SPEC_64): Define.
402 (LINK_SPEC): Use them.
403 * doc/install.texi (--enable-targets=all): Document for x86-linux.
405 2006-10-29 Richard Guenther <rguenther@suse.de>
407 * config/i386/i386-protos.h (ix86_expand_round): Declare.
408 (ix86_expand_rounddf_32): Likewise.
409 * config/i386/i386.c (ix86_expand_round): New function expanding
410 round inline for SSE math and -fno-trapping-math and if not
412 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
413 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
414 round via ix86_expand_round.
416 2006-10-29 Richard Guenther <rguenther@suse.de>
418 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
419 (ix86_expand_floorceildf_32): Likewise.
420 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
421 static helper function.
422 (ix86_expand_floorceil): Expander for floor and ceil to SSE
424 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
425 * config/i386/i386.md (floordf2): Adjust to enable floor
426 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
427 -fno-trapping-math is enabled and if not optimizing for size.
428 (floorsf2, ceildf2, ceilsf2): Likewise.
429 * config/i386/sse.md (sse_maskcmpsf3): New insn.
430 (sse2_maskcmpdf3): Likewise.
432 2006-10-29 Richard Guenther <rguenther@suse.de>
434 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
435 rint in case -fno-trapping-math is enabled.
436 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
437 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
438 (ix86_expand_sse_fabs): Likewise.
439 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
440 * config/i386/i386.md (rintdf2): Enable for SSE math if
441 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
444 2006-10-29 Richard Guenther <rguenther@suse.de>
446 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
447 to conversion optabs.
448 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
450 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
451 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
452 (lfloor_optab, lceil_optab): Adjust defines.
453 * builtins.c (expand_builtin_int_roundingfn): Adjust for
454 lfloor and lceil optabs now being conversion optabs.
455 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
456 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
457 New static helper function.
458 (ix86_expand_lfloorceil): New function to expand lfloor and
460 * config/i386/i386.md (lfloor<mode>2): Split into ...
461 (lfloorxf<mode>2): ... x87 variant
462 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
463 using ix86_expand_lfloorceil.
464 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
466 * doc/md.texi (lfloorMN, lceilMN): Document.
468 2006-10-29 Richard Sandiford <richard@codesourcery.com>
470 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
471 -mno-shared assembler option on mips targets.
472 * configure, config.in: Regenerate.
473 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
474 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
475 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
477 2006-10-29 Richard Sandiford <richard@codesourcery.com>
479 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
480 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
482 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
484 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
485 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
488 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
492 (fold_builtin_pow): Evaluate constant arguments at compile-time
494 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
495 (do_mpfr_ckconv): New helper function.
496 (do_mpfr_arg1): Use do_mpfr_ckconv.
499 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
502 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
503 (-fdump-rtl-sched): Rename to ..
504 (-fdump-rtl-sched1): here. Also fix file extension number.
506 2006-10-28 Richard Guenther <rguenther@suse.de>
508 * fold-const.c (maybe_canonicalize_comparison): Fix code
511 2006-10-28 Uros Bizjak <uros@kss-loka.si>
513 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
514 (NON_QI_REG_P): Use IN_RANGE.
515 (REX_INT_REGNO_P): Use IN_RANGE.
516 (FP_REGNO_P): Use IN_RANGE.
517 (SSE_REGNO_P): Use IN_RANGE.
518 (REX_SSE_REGNO_P): Use IN_RANGE.
519 (MMX_REGNO_P): Use IN_RANGE.
520 (STACK_REGNO_P): New macro.
521 (STACK_REG_P): Use STACK_REGNO_P.
522 (NON_STACK_REG_P): Use STACK_REGNO_P.
523 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
524 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
525 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
526 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
527 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
529 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
531 * except.h (output_function_exception_table): Add 'const char*' param.
532 * except.c (switch_to_exception_section): Add 'const char*' param.
533 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
534 and flag_function_sections is set, use a function-specific section.
535 (output_function_exception_table): Add 'const char*' param.
536 Adjust call to switch_to_exception_section.
537 * final.c (rest_of_handle_final): Adjust calls to
538 output_function_exception_table.
539 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
540 * config.in: Regenerate.
541 * configure: Likewise.
543 2006-10-28 Richard Guenther <rguenther@suse.de>
546 * fold-const.c (maybe_canonicalize_comparison_1): Helper
547 for maybe_canonicalize_comparison.
548 (maybe_canonicalize_comparison): New function for canonicalizing
550 (fold_comparison): Call it to canonicalize comparisons with
553 2006-10-28 Richard Guenther <rguenther@suse.de>
556 * builtins.c (expand_builtin_int_roundingfn_2): Expand
557 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
558 (expand_builtin): Adjust likewise.
559 * genopinit.c (optabs[]): Add lround optab.
560 * optabs.c (init_optabs): Initialize lround_optab.
561 * optabs.h (enum convert_optab_index): Add COI_lround.
562 (lround_optab): Define.
563 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
564 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
566 (ix86_expand_lround): New function.
567 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
569 * doc/md.texi (lroundMN2): Document.
571 2006-10-28 Uros Bizjak <uros@kss-loka.si>
574 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
575 argument to HOST_WIDE_INT. Update function prototype.
576 (round_frame_size): Change return type to HOST_WIDE_INT. Change
577 "size" argument to HOST_WIDE_INT. Update function prototype.
579 2006-10-28 Uros Bizjak <uros@kss-loka.si>
581 * config/i386/i386.c (output_387_ffreep): Create output from a
582 template string for !HAVE_AS_IX86_FFREEP.
584 2006-10-27 Eric Christopher <echristo@apple.com>
586 * config/darwin.c: Fix formatting and grammar.
588 2006-10-27 Jan Hubicka <jh@suse.cz>
590 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
591 to be thrown away soon when IGNORE is set.
592 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
593 indicating when return value shall not be computed.
594 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
596 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
598 * config/i386/i386.h (TARGET_GEODE):
599 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
600 (TARGET_CPU_DEFAULT_geode): New macro.
601 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
602 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
603 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
604 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
605 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
607 (TARGET_CPU_DEFAULT_NAMES): Add geode.
608 (processor_type): Add PROCESSOR_GEODE.
610 * config/i386/i386.md: Include geode.md.
613 * config/i386/i386.c (geode_cost): New initialized global
615 (m_GEODE, m_K6_GEODE): New macros.
616 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
617 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
618 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
619 x86_schedule): Use m_K6_GEODE instead of m_K6.
620 (x86_movx, x86_cmove): Set up m_GEODE.
621 (x86_integer_DFmode_moves): Clear m_GEODE.
622 (processor_target_table): Add entry for geode.
623 (processor_alias_table): Ditto.
625 * config/i386/geode.md: New file.
627 * doc/invoke.texi: Add entry about geode processor.
629 2006-10-27 Mike Stump <mrs@apple.com>
631 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
632 __DYNAMIC__ from here back to ...
633 * config/darwin.h (CPP_SPEC): ... here.
635 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
636 Nathan Sidwell <nathan@codesourcery.com>
638 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
639 when choosing the minimum heapsize.
641 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
643 * gcc/unwind-dw2.h: Move cfa-related variables into
644 struct frame_state_reg_info to ensure that the CFA is properly
645 handled when executing DW_CFA_{remember,restore}_state.
646 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
647 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
648 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
649 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
650 gcc/config/rs6000/linux-unwind.h,
651 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
652 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
653 Modify to use new cfa_* fields.
655 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
657 * config/s390/s390.c (s390_init_frame_layout): Check positive
660 2006-10-26 Ben Elliston <bje@au.ibm.com>
662 * gimplify.c (get_name): Remove extraneous break.
663 (gimplify_omp_for): Initialise ret with GS_OK.
665 2006-10-25 Steve Ellcey <sje@cup.hp.com>
667 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
668 Add unix98.o to link line.
670 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
673 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
674 Calculate compile-time constants using MPFR.
675 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
676 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
678 2006-10-25 Bob Wilson <bob.wilson@acm.org>
680 * config/xtensa/lib2funcs.S: Use C-style comments.
682 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
684 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
685 (file_table_relative_p): Likewise.
686 (dwarf2out_finish): Likewise.
687 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
689 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
691 * tree-ssa-structalias.c (intra_create_variable_infos):
692 Don't recreate nonlocal_all if it already exists.
694 2006-10-25 Richard Guenther <rguenther@suse.de>
697 * optabs.h (enum optab_index): Remove OTI_lrint.
698 (enum convert_optab_index): Add COI_lrint.
699 (lrint_optab): Adjust.
700 (expand_sfix_optab): Declare.
701 * optabs.c (expand_sfix_optab): New function.
702 (init_optabs): Init lrint_optab as conversion optab.
703 * genopinit.c (lrint_optab): Change to a conversion optab.
704 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
705 expansion via conversion optab.
706 * config/i386/i386.md (*fistdi2_1): Remove
707 flag_unsafe_math_optimizations guard.
708 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
709 fist<mode>2_with_temp): Likewise.
710 (lrint<mode>2): Split into...
711 (lrintxf<mode>2): ... x87 part
712 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
713 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
714 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
715 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
716 * doc/md.texi (lrintMN2): Document.
718 2006-10-25 Uros Bizjak <uros@kss-loka.si>
721 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
722 Use inc and dec instructions for TARGET_USE_INCDEC.
723 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
724 ("sync_double_compare_and_swap<mode>"): Likewise.
725 ("*sync_double_compare_and_swapdi_pic"): Likewise.
726 ("*sync_compare_and_swap_cc<mode>"): Likewise.
727 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
728 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
729 ("sync_old_add<mode>"): Likewise.
730 ("sync_lock_test_and_set<mode>"): Likewise.
731 ("sync_lock_test_and_set<mode>"): Likewise.
732 ("sync_add<mode>"): Likewise.
733 ("sync_sub<mode>"): Likewise.
734 ("sync_ior<mode>"): Likewise.
735 ("sync_and<mode>"): Likewise.
736 ("sync_xor<mode>"): Likewise.
738 2006-10-25 Uros Bizjak <uros@kss-loka.si>
740 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
741 (remainder_optab): Define corresponding macro.
742 (drem_optab): Remove.
743 * optabs.c (init_optabs): Initialize remainder_optab. Remove
744 drem_optab initialization.
745 * genopinit.c (optabs): Implement remainder_optab using
746 remainder?f3 patterns. Remove drem_optab.
747 * builtins.c (expand_builtin_mathfn_2): Handle
748 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
749 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
750 expand_builtin_mathfn_2.
752 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
753 depend on flag_unsafe_math_optimizations.
755 * config/i386/i386.md ("remaindersf3", "remainderdf3")
756 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
757 Do not depend on flag_unsafe_math_optimizations. Use
758 truncxf?f expander instead of truncxf?f_i387_noop.
760 ("fpremxf4", "fprem1xf4"): Do not depend on
761 flag_unsafe_math_optimizations.
762 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
763 flag_unsafe_math_optimizations. Use truncxf?f expander
764 instead of truncxf?f_i387_noop.
766 * doc/md.texi (fmod, remainder): Document standard named pattern.
768 2006-10-24 Richard Sandiford <richard@codesourcery.com>
769 David Daney <ddaney@avtrex.com>
772 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
774 2006-10-25 Ben Elliston <bje@au.ibm.com>
776 * doc/extend.texi (Variable Attributes): Typo fix.
778 2006-10-24 Uros Bizjak <uros@kss-loka.si>
780 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
781 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
782 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
783 (FRAME_POINTER_REGNUM): Update register number to 21.
784 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
785 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
787 * config/i386/i386.c (regclass_map): Add fpcr entry.
788 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
790 (print_reg): Assert REGNO (x) != FPCR_REG.
792 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
793 (DIRFLAG_REG): Renumber.
794 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
795 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
796 (sse_prologue_save, *sse_prologue_save_insn): Renumber
797 hardcoded SSE register numbers.
799 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
800 hardcoded MMX register numbers.
802 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
805 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
806 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
808 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
809 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
810 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
811 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
813 2006-10-24 Richard Guenther <rguenther@suse.de>
816 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
817 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
818 for deciding optimizations in consistency with fold-const.c
819 (fold_builtin_unordered_cmp): Likewise.
821 2006-10-24 Richard Guenther <rguenther@suse.de>
823 * builtins.c (fold_builtin_floor): Fold floor (x) where
824 x is nonnegative to trunc (x).
825 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
826 nonnegative to FIX_TRUNC_EXPR.
828 2006-10-24 Richard Guenther <rguenther@suse.de>
830 PR tree-optimization/29567
831 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
832 for TRUTH_NOT_EXPR. Clarify comments.
834 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
837 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
838 at compile-time using MPFR. Change parameter VALUE to FUNC,
840 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
841 for overflow and underflow at all times and avoid folding in
844 2006-10-24 Ben Elliston <bje@au.ibm.com>
846 * reload1.c: Formatting fixes.
848 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
850 PR tree-optimization/14784
851 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
852 * tree-ssa-structalias.c (get_constraint_for,
853 intra_create_variable_infos): Set is_heapvar.
854 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
855 non-heapvar pointer variables specially.
857 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
860 * builtins.c (fold_builtin_sin, fold_builtin_cos,
861 fold_builtin_tan): Fold all constant arguments. Take a "type"
862 argument as necessary.
864 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
866 2006-10-23 Bob Wilson <bob.wilson@acm.org>
868 * config/xtensa/lib1funcs.asm: Use C-style comments.
870 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
872 * tree.c (local_define_builtin): Replace calls to
873 lang_hooks.builtin_function with add_builtin_function.
874 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
876 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
878 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
879 common code to add_builtin_function.
880 * langhooks.c (add_builtin_function): New function.
881 (lhd_builtin_function): New function.
882 * langhooks.h (struct lang_hooks): Change the signature of
884 (add_builtin_function): New function.
885 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
886 calls to lang_hooks.builtin_function with add_builtin_function.
887 * c-common.c (decl_builtin_1): Replace calls to
888 lang_hooks.builtin_function with add_builtin_function.
889 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
890 lang_hooks.builtin_function with add_builtin_function.
891 * config/frv/frv.c (def_builtin): Replace calls to
892 lang_hooks.builtin_function with add_builtin_function.
893 * config/s390/s390.c (s390_init_builtins): Replace calls to
894 lang_hooks.builtin_function with add_builtin_function.
895 * config/sparc/sparc.c (def_builtin): Replace calls to
896 lang_hooks.builtin_function with add_builtin_function.
897 * config/i386/i386.c (def_builtin): Replace calls to
898 lang_hooks.builtin_function with add_builtin_function.
899 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
900 lang_hooks.builtin_function with add_builtin_function.
901 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
902 lang_hooks.builtin_function with add_builtin_function.
903 * config/stormy16/stormy16.c (xstormy16_init_builtins):
904 Replace calls to lang_hooks.builtin_function with
905 add_builtin_function.
906 * config/iq2000/iq2000.c (def_builtin):
907 Replace calls to lang_hooks.builtin_function with
908 add_builtin_function.
909 * config/ia64/ia64.c (def_builtin): Replace calls to
910 lang_hooks.builtin_function with add_builtin_function.
911 * config/rs6000/rs6000.c (def_builtin): Replace calls to
912 lang_hooks.builtin_function with add_builtin_function.
913 (altivec_init_builtins): Replace calls to
914 lang_hooks.builtin_function with add_builtin_function.
915 * config/arm/arm.c (def_mbuiltin): Replace calls to
916 lang_hooks.builtin_function with add_builtin_function.
917 (arm_init_tls_builtins): Replace calls to
918 lang_hooks.builtin_function with add_builtin_function.
919 * config/mips/mips.c (mips_init_builtins): Replace calls to
920 lang_hooks.builtin_function with add_builtin_function.
921 * config/bfin/bfin.c (def_builtin): Replace calls to
922 lang_hooks.builtin_function with add_builtin_function.
923 * langhooks-def.h (lhd_builtin_function): New function.
924 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
926 2006-10-23 Jakub Jelinek <jakub@redhat.com>
928 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
929 BUILT_IN_STRNCAT_CHK.
931 2006-10-23 Jan Hubicka <jh@suse.cz>
933 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
934 don't do conversion from memmove to memcpy here.
935 (expand_builtin_bcopy, expand_builtin): Update call of
936 expand_builtin_memmove.
937 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
939 2006-10-23 Paul Brook <paul@codesourcery.com>
941 * stor-layout.c (start_record_layout): maximum_field_alignment
942 overrides STRUCTURE_SIZE_BOUNDARY.
944 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
946 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
947 nonlocal function symbols if flag_pic.
949 2006-10-23 Richard Guenther <rguenther@suse.de>
953 * builtins.c (fold_binary): Remove checks for flag_wrapv
954 and flag_trapv where negate_expr_p covers these cases.
956 2006-10-23 Richard Guenther <rguenther@suse.de>
959 * fold-const.c (fold_plusminus_mult_expr): Check exact power
960 of two on the absolute value.
961 (fold_binary): Fold x * -C to -x * C if x is easily negatable
962 and negating -C does not overflow.
964 2006-10-23 Richard Guenther <rguenther@suse.de>
967 * convert.c (convert_to_real): Fold (float)-x to -(float)x
968 only if not flag_rounding_math.
970 2006-10-22 Richard Sandiford <richard@codesourcery.com>
971 Kaz Kojima <kkojima@gcc.gnu.org>
974 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
975 SImode memory reference for the source of a movua.
976 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
977 (movua): Use an unspec instead of sign_extract. Expect the source
978 to have mode BLKmode.
979 (extv, insv): Use a BLKmode rather than SImode memory reference
980 for the source of a movua.
982 2006-10-22 Jeff Law <law@redhat.com>
983 Richard Guenther <rguenther@suse.de>
985 PR tree-optimization/15911
986 * tree-vrp.c (extract_code_and_val_from_cond): New function.
987 (register_edge_assert_for_1): Likewise.
988 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
989 (find_conditional_asserts): Adjust for new function signature.
990 (find_assert_locations): Likewise.
992 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
994 * config/i386/tmmintrin.h: Remove the duplicated content.
996 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
998 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
999 (x86_64-*-*): Likewise.
1001 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
1002 (override_options): Check SSSE3.
1003 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
1004 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
1005 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
1006 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
1007 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
1008 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
1009 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
1010 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
1011 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
1012 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
1013 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
1014 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
1015 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
1016 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
1017 IX86_BUILTIN_PABSD128.
1018 (bdesc_2arg): Add SSSE3.
1019 (bdesc_1arg): Likewise.
1020 (ix86_init_mmx_sse_builtins): Support SSSE3.
1021 (ix86_expand_builtin): Likewise.
1022 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
1024 * config/i386/i386.md (UNSPEC_PSHUFB): New.
1025 (UNSPEC_PSIGN): Likewise.
1026 (UNSPEC_PALIGNR): Likewise.
1027 Include mmx.md before sse.md.
1029 * config/i386/i386.opt: Add -mssse3.
1031 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
1032 (ssse3_phaddwv4hi3): Likewise.
1033 (ssse3_phadddv4si3): Likewise.
1034 (ssse3_phadddv2si3): Likewise.
1035 (ssse3_phaddswv8hi3): Likewise.
1036 (ssse3_phaddswv4hi3): Likewise.
1037 (ssse3_phsubwv8hi3): Likewise.
1038 (ssse3_phsubwv4hi3): Likewise.
1039 (ssse3_phsubdv4si3): Likewise.
1040 (ssse3_phsubdv2si3): Likewise.
1041 (ssse3_phsubswv8hi3): Likewise.
1042 (ssse3_phsubswv4hi3): Likewise.
1043 (ssse3_pmaddubswv8hi3): Likewise.
1044 (ssse3_pmaddubswv4hi3): Likewise.
1045 (ssse3_pmulhrswv8hi3): Likewise.
1046 (ssse3_pmulhrswv4hi3): Likewise.
1047 (ssse3_pshufbv16qi3): Likewise.
1048 (ssse3_pshufbv8qi3): Likewise.
1049 (ssse3_psign<mode>3): Likewise.
1050 (ssse3_psign<mode>3): Likewise.
1051 (ssse3_palignrti): Likewise.
1052 (ssse3_palignrdi): Likewise.
1053 (abs<mode>2): Likewise.
1054 (abs<mode>2): Likewise.
1056 * config/i386/tmmintrin.h: New file.
1058 * doc/extend.texi: Document SSSE3 built-in functions.
1060 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
1062 2006-10-22 Ira Rosen <irar@il.ibm.com>
1064 * tree-vect-transform.c (vectorizable_load): Use the type of the
1065 return value of the mask_for_load builtin to create realign_load
1068 2006-10-22 Richard Sandiford <richard@codesourcery.com>
1070 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
1073 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
1075 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
1076 (UNSPEC_LDDQU): This.
1077 * config/i386/sse.md (sse3_lddqu): Updated.
1079 2006-10-21 Richard Guenther <rguenther@suse.de>
1081 * builtins.c (expand_builtin_int_roundingfn_2): New function.
1082 (expand_builtin): Use it to expand lrint instead of
1083 expand_builtin_mathfn.
1085 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1088 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
1089 flag_unsafe_math_optimizations is set.
1091 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1094 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
1095 patterns to use memory input operand in x87->mem->XMM
1096 reload sequences. Skip transformation for TARGET_K8.
1098 2006-10-21 Uros Bizjak <uros@kss-loka.si>
1100 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
1101 force operand1 to register if both operands are memory operands.
1102 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
1103 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
1104 if both operands are memory operands.
1105 (truncdfsf2): Do not force operand1 to register if both operands
1106 are memory operands.
1108 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1110 * Makefile.in (LIBS): Add $(GMPLIBS).
1111 * doc/install.texi: Update GMP and MPFR requirements.
1112 * doc/sourcebuild.texi (need_gmp): Delete.
1114 2006-10-21 Richard Guenther <rguenther@suse.de>
1116 PR tree-optimization/3511
1117 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
1118 got new invariant arguments during PHI translation.
1120 2006-10-21 Richard Guenther <rguenther@suse.de>
1123 * fold-const.c (fold_comparison): Fold signed comparisons
1124 of the form X +- C1 CMP Y +- C2.
1126 2006-10-21 Richard Guenther <rguenther@suse.de>
1129 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
1130 if flag_unsafe_math_optimizations is specified. We have
1131 flag_finite_math_only for that.
1132 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
1133 or flag_unsafe_math_optimizations.
1135 2006-10-21 Richard Guenther <rguenther@suse.de>
1137 * builtins.c (fold_builtin_classify): Fix typo.
1139 2006-10-21 Richard Guenther <rguenther@suse.de>
1142 * simplify-rtx.c (simplify_const_relational_operation):
1143 Do not constant-fold ORDERED and UNORDERED for
1144 flag_unsafe_math_optimizations but only we do not need to
1145 honor NaNs for the given mode.
1147 2006-10-21 Richard Guenther <rguenther@suse.de>
1150 * config/i386/i386.c (classify_argument): Remove redundant
1151 walking of the BINFOs.
1152 (contains_128bit_aligned_vector_p): Likewise.
1154 2006-10-20 Mark Mitchell <mark@codesourcery.com>
1156 * BASE-VER: Set to 4.3.0.
1158 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
1160 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
1161 (tree_decl_with_vis): Remove artificial_pta_var flag.
1162 * tree-flow.h (referenced_var_check_and_insert): Expose.
1163 (nonlocal_all): New prototype.
1164 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
1165 (nonlocal_all): Make global.
1166 (nonlocal_lookup): Remove.
1167 (nonlocal_insert): Ditto.
1168 (create_nonlocal_var): Do not call nonlocal_insert.
1169 (get_nonlocal_id_for_type): Remove.
1170 (find_global_initializers): Mark new vars we find for renaming.
1171 (intra_create_variable_infos): Only create one nonlocal.
1172 (expand_nonlocal_solutions): Remove.
1173 (compute_points_to_sets): Don't call it.
1174 (ipa_pta_execute): Ditto.
1175 (init_alias_heapvars): Don't create nonlocal_for_type.
1176 (delete_alias_heapvars): Don't remove it.
1177 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
1180 2006-10-19 Brooks Moses <bmoses@stanford.edu>
1182 * doc/install.texi (Downloading GCC): Clarify mention of
1183 Fortran in the "full distribution" description.
1185 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
1187 Fix PR tree-optimization/28778
1188 Fix PR tree-optimization/29156
1189 Fix PR tree-optimization/29415
1190 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
1191 (tree_decl_with_vis): Add artificial_pta_var flag.
1192 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
1193 pushed into callers.
1194 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
1195 (nonlocal_all): Ditto.
1196 (struct variable_info): Add directly_dereferenced member.
1197 (var_escaped_vars): New variable.
1198 (escaped_vars_tree): Ditto.
1199 (escaped_vars_id): Ditto.
1200 (nonlocal_vars_id): Ditto.
1201 (new_var_info): Set directly_dereferenced.
1202 (graph_size): New variable
1203 (build_constraint_graph): Use graph_size.
1204 (solve_graph): Don't process constraints that cannot change the
1205 solution, don't try to propagate an empty solution to our
1207 (process_constraint): Set directly_dereferenced.
1208 (could_have_pointers): New function.
1209 (get_constraint_for_component_ref): Don't process STRING_CST.
1210 (nonlocal_lookup): New function.
1211 (nonlocal_insert): Ditto.
1212 (create_nonlocal_var): Ditto.
1213 (get_nonlocal_id_for_type): Ditto.
1214 (get_constraint_for): Allow results vector to be empty in the case
1215 of string constants.
1216 Handle results of calls properly.
1217 (update_alias_info): Update alias info stats on number and type of
1219 (find_func_aliases): Use could_have_pointers.
1220 (make_constraint_from_escaped): Renamed from
1221 make_constraint_to_anything, and changed to make constraints from
1223 (make_constraint_to_escaped): New function.
1224 (find_global_initializers): Ditto.
1225 (create_variable_info_for): Make constraint from escaped to any
1226 global variable, and from any global variable to the set of
1228 (intra_create_variable_infos): Deal with escaped instead of
1229 pointing to anything.
1230 (set_uids_in_ptset): Do type pruning on directly dereferenced
1232 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
1233 (init_base_vars): Fix comment, and initialize escaped_vars.
1234 (need_to_solve): Removed.
1235 (find_escape_constraints): New function.
1236 (expand_nonlocal_solutions): Ditto.
1237 (compute_points_to_sets): Call find_escape_constraints and
1238 expand_nonlocal_solutions.
1239 (delete_points_to_sets): Don't fall off the end of the graph.
1240 (init_alias_heapvars): Initialize nonlocal_for_type and
1242 (delete_alias_heapvars): Free nonlocal_for_type and null out
1245 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
1247 * fold-const.c (add_double): Rename to add_double_with_sign.
1248 Add 'unsigned_p' parameter and take it into account for the overflow.
1249 (mul_double): Rename to mul_double_with_sign.
1250 Add 'unsigned_p' parameter and take it into account for the overflow.
1251 (fold_div_compare): Call add_double_with_sign instead of add_double
1252 and mul_double_with_sign instead of mul_double, passing them the
1253 unsignedness of the type.
1254 * tree.h (add_double): Macroize.
1255 (add_double_with_sign): New prototype.
1256 (mul_double): Macroize.
1257 (mul_double_with_sign): New prototype.
1259 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
1261 * config/score/crti.asm: New file.
1262 * config/score/crtn.asm: New file.
1263 * config/score/elf.h: New file.
1264 * config/score/mac.md: New file.
1265 * config/score/misc.md: New file.
1266 * config/score/mul-div.S: New file.
1267 * config/score/predicates.md: New file.
1268 * config/score/score7.md: New file.
1269 * config/score/score.c: New file.
1270 * config/score/score-conv.h: New file.
1271 * config/score/score.h: New file.
1272 * config/score/score.md: New file.
1273 * config/score/score-mdaux.c: New file.
1274 * config/score/score-mdaux.h: New file.
1275 * config/score/score-modes.def: New file.
1276 * config/score/score.opt: New file.
1277 * config/score/score-protos.h: New file.
1278 * config/score/score-version.h: New file.
1279 * config/score/t-score-elf: New file.
1280 * config.gcc: Add score*-*-* configurations(Update before).
1281 * doc/invoke.texi (Score Options): New section.
1282 * doc/md.texi (Score family): New section to document constraints.
1284 2006-10-19 Nick Clifton <nickc@redhat.com>
1286 * config/arm/arm.c: Fix spelling typo.
1288 2006-10-18 Tom Tromey <tromey@redhat.com>
1290 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
1292 2006-10-18 Jan Hubicka <jh@suse.cz>
1295 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
1298 2006-10-18 Marcin Dalecki <martin@dalecki.de>
1300 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
1301 TSI_SAME_STMT, since that's the desired entity.
1303 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
1305 * config/s390/contraints.md: New file.
1306 * config/s390/s390-protos.h (s390_mem_constraint,
1307 s390_O_constraint_str, s390_N_constraint_str,
1308 s390_float_const_zero_p): Function prototypes added.
1309 * config/s390/s390.c (s390_extra_constraint_str,
1310 s390_const_double_ok_for_constraint_p,
1311 s390_const_ok_for_constraint_p): Functions removed.
1312 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
1313 s390_float_const_zero_p): New functions.
1314 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
1315 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
1316 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
1317 Macro definitions removed.
1318 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
1319 s390_extra_constraint_str): Functions removed.
1321 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
1322 Richard Sandiford <richard@codesourcery.com>
1325 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
1326 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
1328 2006-10-16 Geoffrey Keating <geoffk@apple.com>
1330 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
1331 (DWARF2_FRAME_REG_OUT): Likewise.
1332 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
1333 (DWARF2_FRAME_REG_OUT): Likewise.
1335 2006-10-17 Paul Brook <paul@codesourcery.com>
1337 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
1339 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1341 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
1342 Standardize on "GNU Fortran" as the official name of the Fortran
1345 2006-10-16 Mike Stump <mrs@apple.com>
1347 * doc/invoke.texi (Darwin Options): Document -mkernel.
1348 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
1350 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
1351 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
1352 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
1353 (OS_MISSING_ALTIVEC): Add.
1354 * config/i386/i386.c (override_options): Add
1355 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
1356 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
1357 -mkernel, -static or -mdynamic-no-pic is given.
1358 (C_COMMON_OVERRIDE_OPTIONS): Add.
1359 * config/darwin.opt (fapple-kext): Add.
1361 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
1362 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
1364 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
1365 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
1366 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
1367 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
1368 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
1369 (flag_mkernel): Add.
1370 (flag_apple_kext): Add.
1371 (TARGET_KEXTABI): Add.
1372 * config/darwin.c (darwin_handle_kext_attribute): Add.
1373 (DARWIN_VTABLE_P): Add.
1374 (darwin_binds_local_p): Add partial support for rebinding vtables
1376 (darwin_kextabi_p): Add.
1377 (darwin_override_options): Add.
1378 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
1379 (darwin_kextabi_p): Add.
1380 (darwin_override_options): Add.
1381 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
1382 __DYNAMIC__ and __STATIC__ here.
1384 2006-10-16 Brooks Moses <bmoses@stanford.edu>
1386 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
1387 Added mention of "make pdf" target, and Texinfo requirements for
1390 2006-10-16 DJ Delorie <dj@redhat.com>
1392 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
1393 into the GOT in case we need a subreg of the address.
1395 2006-10-16 Richard Guenther <rguenther@suse.de>
1398 * doc/extend.texi (X86 Built-in Functions): Fix typos in
1399 SSE builtin documentation. Document SSE2 builtins.
1401 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1403 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
1404 symbol in the output file for non-shared links when -nostdlib or
1405 -nodefaultlibs isn't specified.
1407 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
1408 posix thread support.
1410 2006-10-15 Jan Hubicka <jh@suse.cz>
1413 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
1414 declared always_inline even when not inlining.
1416 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
1417 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1418 Andrew Pinski <pinskia@gmail.com>
1421 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
1423 2006-10-15 Jan Hubicka <jh@suse.cz>
1424 Richard Guenther <rguenther@suse.de>
1427 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
1428 process_function_and_variable_attributes on all variables, including
1429 those discovered during cgraph construction phase.
1431 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
1433 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
1435 2006-10-14 Uros Bizjak <uros@kss-loka.si>
1437 * config/i386/athlon.md (athlon_fist): Add fisttp.
1439 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1440 Ian Lance Taylor <ian@airs.com>
1443 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
1444 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
1447 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
1449 * config/score/score.c, config/score/score.h: Fix comment
1452 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1455 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
1458 2006-10-13 Eric Christopher <echristo@apple.com>
1460 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1462 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1465 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1466 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1467 alignment supported by 32-bit ELF.
1469 2006-10-13 Eric Christopher <echristo@apple.com>
1471 * config/darwin.c (darwin_emit_unwind_label): Strip
1472 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
1474 2006-10-13 Richard Guenther <rguenther@suse.de>
1476 PR tree-optimization/29446
1477 * tree-vrp.c (fix_equivalence_set): Remove.
1478 (extract_range_from_assert): Do not call fix_equivalence_set.
1479 (debug_value_range): Print a newline.
1480 (compare_name_with_value): For equivalence sets with
1481 inconsistent value ranges conservatively bail out.
1482 (compare_names): Likewise.
1484 2006-10-13 David Edelsohn <edelsohn@gnu.org>
1486 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
1487 and MPFR for gfortran.
1489 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
1491 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
1492 alignment supported by 32-bit ELF.
1494 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
1498 * c-typeck.c (digest_init): Always allow initializing vectors
1499 that have static storage duration with compound literals.
1500 * tree.c (build_type_attribute_qual_variant): New, based on
1501 build_type_attribute_variant.
1502 (build_type_attribute_variant): Rewrite using the former.
1503 (make_vector_type): Use build_type_attribute_qual_variant to build
1504 type variants. Use type_hash_canon on the others.
1506 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
1507 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
1509 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
1511 2006-10-12 Jan Hubicka <jh@suse.cz>
1514 * c-decl.c (c_make_fname_decl): Do not segfault in case where
1515 current_function_decl is set but current_function_scope is not.
1517 2006-10-12 Jie Zhang <jie.zhang@analog.com>
1519 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
1520 emit_insn to emit eh_return_internal instruction.
1521 (eh_return_internal): Explicitly set pc.
1523 2006-10-11 Richard Guenther <rguenther@suse.de>
1525 PR tree-optimization/28230
1526 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
1527 to the correct place.
1529 2006-10-11 Richard Guenther <rguenther@suse.de>
1532 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
1535 2006-10-10 Brooks Moses <bmoses@stanford.edu>
1537 * configure.ac: Added pdf to "Make-hooks"
1538 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
1539 targets and *.pdf file patterns in cleanup targets.
1540 * configure: Regenerated.
1542 2006-10-10 Anatoly Sokolov <aesok@post.ru>
1544 * config/avr/predicates.md: New file.
1545 * config/avr/avr.md: Include it.
1546 (REG_SP): New constant.
1547 (peepholes): Use predicates.
1548 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
1549 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
1550 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
1552 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
1554 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
1557 2006-10-10 Jakub Jelinek <jakub@redhat.com>
1560 * builtins.c (var_decl_component_p): New function.
1561 (fold_builtin_memset, fold_builtin_memory_op): Restrict
1562 single entry optimization to variables and components thereof.
1564 2006-10-10 Richard Guenther <rguenther@suse.de>
1566 PR rtl-optimization/29323
1567 * except.c (set_nothrow_function_flags): For functions
1568 that do not bind local bail out early.
1570 2006-10-10 Ben Elliston <bje@au.ibm.com>
1572 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
1575 2006-10-09 Richard Henderson <rth@redhat.com>
1577 Revert emutls patch.
1579 2006-10-09 Richard Guenther <rguenther@suse.de>
1582 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1585 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1588 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1589 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1590 * configure: Regenerate.
1591 * config.in: Regenerate.
1593 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1595 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1597 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1599 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1600 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1601 Remove stray newline.
1603 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1605 * config/mips/mips.c (mips_classify_symbol): Do not return
1606 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1607 (mips_in_small_data_p): Tweak comments.
1609 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1611 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1613 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1615 * gimplify.c, sched-int.h: Fix comment typos.
1617 * sched-int.h: Fix comment typos.
1619 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1621 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1623 * sched-ebb.c (begin_schedule_ready): Use them.
1624 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1625 add_to_speculative_block, create_check_block_twin, speculate_insn,
1626 fix_jump_move, move_block_after_check): Ditto.
1627 * sched-rgn.c (new_ready): Ditto.
1629 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1631 PR rtl-optimization/29128
1632 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1633 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1634 allow interblock movement of speculation checks.
1636 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1639 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1640 casted to integer type.
1641 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1642 if they are significantly more expensive than [reg + index] ones.
1644 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1646 PR tree-optimization/29330
1647 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1648 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1649 on newly allocated ddrs.
1650 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1651 to VEC (loop_p, heap) pointer.
1652 (compute_data_dependences_for_loop): Adjust caller.
1653 (free_dependence_relations): Free DDR_LOOP_NEST.
1655 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1656 free DEPENDENCE_RELATIONS and DATAREFS.
1659 * builtins.c (expand_builtin_sync_operation,
1660 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1661 Use convert_to_mode to handle promoted arguments.
1663 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1665 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1667 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1669 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1671 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1673 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1674 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1675 Use <modeconstraint> instead of "r" as operand 1 constraint.
1677 2006-10-06 Olivier Hainque <hainque@adacore.com>
1679 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1680 Don't recurse on the pointed-to type.
1681 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1682 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1683 types with components of variable size.
1685 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1687 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1689 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1691 PR tree-optimization/29290
1692 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1696 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1697 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1700 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1701 the number of vector elements fill the rest with zeros.
1703 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1705 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1706 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1709 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1711 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1712 unnamed pattern into subsi3. Use correct constraints/predicates.
1713 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1714 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1716 2006-10-05 Ira Rosen <irar@il.ibm.com>
1718 * doc/loop.texi: Add data references analysis description.
1720 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1722 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1724 2006-10-04 Richard Henderson <rth@redhat.com>
1725 Jakub Jelinek <jakub@redhat.com>
1727 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1728 * builtin-types.def (BT_WORD): Make unsigned.
1729 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1730 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1731 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1732 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1733 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1734 * cgraph.c (decide_is_variable_needed): Look at force_output.
1735 Recurse for emulated tls.
1736 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1737 checks redundant with decide_is_variable_needed.
1738 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1739 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1741 * expr.c (emutls_var_address): New.
1742 (expand_expr_real_1): Expand emulated tls.
1743 (expand_expr_addr_expr_1): Likewise.
1744 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1745 * output.h (emutls_finish): Declare.
1746 * toplev.c (compile_file): Call it.
1747 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1748 address before wrapping in CONST.
1749 * varasm.c (emutls_htab, emutls_object_type): New.
1750 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1751 (get_emutls_object_name, get_emutls_object_type): New.
1752 (get_emutls_init_templ_addr, emutls_decl): New.
1753 (emutls_common_1, emutls_finish): New.
1754 (assemble_variable): When emulating tls, swap decls; generate
1755 constructor for the emutls objects.
1756 (do_assemble_alias): When emulating tls, swap decl and target name.
1757 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1759 * emutls.c: New file.
1760 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1761 tls_object for real tls.
1763 2006-10-04 Zack Weinberg <zackw@panix.com>
1765 Fix bug in constraint-check generator, reported by Rask Ingemann
1767 * genpreds.c (add_constraint): Don't remove anything from the
1769 (write_tm_constrs_h): Detect whether "op" argument is used, and
1770 mark it ARG_UNUSED if it isn't.
1771 (write_insn_const_int_ok_for_constraint): Skip the part of the
1772 expression that would test whether "op" (which is not available
1773 here) is a CONST_INT.
1775 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1778 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1780 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1782 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1783 current Leopard versions.
1784 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1786 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1788 * doc/install.texi: Fix typos.
1790 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1792 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1793 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1794 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1796 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1798 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1799 arg to be struct mach_header_64* instead.
1801 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1804 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1805 side effects after the outer expression's post side effects.
1807 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1809 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1810 comments to reflect actual behavior and relationship between
1811 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1813 * doc/c-tree.texi (Working with declarations): Fix documentation
1814 of FIELD_DECL likewise.
1816 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1819 * doc/extend.texi: Add used variable attribute description.
1821 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1824 * c.opt (Woverride-init): New.
1825 * c-opts.c (c_common_post_options): Default warn_override_init to
1827 * c-typeck.c (add_pending_init, output_init_element): Warn for
1828 overriding initializers without side effects.
1829 * doc/invoke.texi (-Woverride-init): Document.
1832 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1834 PR rtl-optimization/28096
1835 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1836 assignment has already been used as a destination earlier in the block.
1838 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1840 * builtins.c (expand_builtin_setjmp): Delete.
1841 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1842 <BUILT_IN_SETJMP_SETUP>: New case.
1843 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1844 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1845 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1846 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1847 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1848 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1849 (lower_function_body): Initialize it to false. If it is set to true
1850 at the end of the processing, emit the setjmp dispatcher.
1851 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1852 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1853 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1854 on the rhs of the assignment.
1855 (lower_builtin_setjmp): New function.
1856 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1857 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1858 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1859 to detect calls that can go to non-local labels. Use specific
1860 helper to create the abnormal edges associated with them.
1861 <MODIFY_EXPR>: Likewise.
1862 (make_abnormal_goto_edges): New function extracted from...
1863 (make_goto_expr_edges): ...here. Call it for computed gotos.
1864 (simple_goto_p): Minor tweak.
1865 (tree_can_make_abnormal_goto): New predicate.
1866 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1867 (tree_purge_dead_abnormal_call_edges): New function.
1868 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1869 (tree_purge_dead_abnormal_call_edges): Likewise.
1870 (make_abnormal_goto_edges): Likewise.
1871 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1872 Purge all dead abnormal edges if the call was in the last statement.
1873 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1874 (execute_fixup_cfg): If there are non-local labels in the function,
1875 scan the basic blocks and split them at calls that can go to non-local
1876 labels or add missing abnormal call edges. Write down the CFG in the
1878 (pass_fixup_cfg): Remove TODO_dump_func flag.
1879 * unwind-sjlj.c: Poison setjmp.
1880 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1881 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1882 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1883 (DONT_USE_BUILTIN_SETJMP): Document it.
1885 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1888 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1889 to 1 when __ppc64__ is defined.
1890 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1892 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1894 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1896 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1897 * config/ia64/unwind-hpux.c: Delete.
1899 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1901 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1902 on the element before gimplifying it, instead of punting if it is of
1905 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1907 * doc/loop.texi: New file.
1908 * doc/gccint.texi: Reference loop.texi.
1909 * Makefile.in (loop.texi): Add.
1911 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1913 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1915 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1916 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1918 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1920 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1922 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1924 * doc/install.texi: Document required versions of GMP and MPFR.
1926 2006-09-27 Paul Brook <paul@codesourcery.com>
1929 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1931 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1933 * reload1.c (alter_reg): Require the alignment of the stack slot to
1934 be at least reg_max_ref_width bytes.
1935 (scan_paradoxical_subregs): Record the largest width in
1938 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1942 * tree-nested.c (struct nesting_info): Added static_chain_added.
1943 (convert_call_expr): Set static_chain_added when adding static
1944 chain. Handle OMP_PARALLEL and OMP_SECTION.
1946 2006-09-25 Matthias Klose <doko@debian.org>
1948 * doc/invoke.texi: Add missing full stop.
1950 2006-09-25 Richard Henderson <rth@redhat.com>
1952 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1953 before cgraph_function_flags_ready.
1955 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1956 Adam Nemet <anemet@caviumnetworks.com>
1958 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1959 determine_common_wider_type): New functions.
1960 (get_computation_aff): Use them to simplify arithmetic between
1961 UBASE and CBASE if they are shortened from the same type.
1963 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1966 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1967 -2147483647 - 1 instead of 0x80000000.
1969 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1971 * flags.h (HONOR_NANS): Fix typo in comment.
1973 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1975 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1977 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1981 * tree.c (merge_attributes, attribute_list_contained): If both
1982 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1984 * c-typeck.c (comptypes_internal): Don't consider aggregates
1985 in different TUs as compatible if there one set of attributes is
1986 not a subset of the other type's attributes.
1987 (composite_type): Try harder not to create a new aggregate type.
1989 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1991 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1992 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1993 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1994 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1995 than replicating condition above.
1996 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1998 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1999 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
2000 the linker by default.
2002 2006-09-22 Mike Stump <mrs@apple.com>
2004 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
2007 2006-09-22 Richard Guenther <rguenther@suse.de>
2010 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
2011 sort of stack variables stable.
2013 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
2016 * explow.c (force_reg): Set REG_POINTER flag according to
2019 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
2021 PR tree-optimization/28888
2022 * tree-if-conv.c (combine_blocks): Rewritten.
2023 * tree-cfg.c (tree_verify_flow_info): Check that edges with
2024 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
2026 2006-09-22 Jakub Jelinek <jakub@redhat.com>
2028 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
2031 2006-09-21 Richard Sandiford <richard@codesourcery.com>
2033 * varasm.c (copy_constant): Fix reversed gcc_assert check.
2035 2006-09-21 Janis Johnson <janis187@us.ibm.com>
2037 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
2039 2006-09-21 Roger Sayle <roger@eyesopen.com>
2042 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
2043 dw_fde_current_label, to be the start of the function, i.e. the same
2044 value as dw_fde_begin.
2046 2006-09-20 Richard Sandiford <richard@codesourcery.com>
2048 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
2049 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
2050 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
2051 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
2052 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
2053 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
2054 (abs<mode>2, neg<mode>2): Likewise.
2055 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
2056 (*mips_abs_ps): New define_insn.
2058 2006-09-20 Josh Conner <jconner@apple.com>
2061 * calls.c (expand_call): Allow reuse of structure return stack
2064 2006-09-20 Paul Brook <paul@codesourcery.com>
2066 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
2069 2006-09-20 Janis Johnson <janis187@us.ibm.com>
2071 * doc/extend.texi (Decimal Float): Update for latest draft TR,
2072 clean up terminology.
2074 2006-09-20 Steve Ellcey <sje@cup.hp.com>
2077 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
2078 with tablejumps in them.
2080 2006-09-20 Jakub Jelinek <jakub@redhat.com>
2083 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
2084 wrap it into TARGET_EXPR.
2086 2006-09-20 Eric Christopher <echristo@apple.com>
2088 * config/i386/i386.c (x86_fisttp): Remove.
2089 * config/i386/i386.h (x86_fisttp): Ditto.
2090 (TARGET_FISTTP): Ditto.
2092 2006-09-19 Eric Christopher <echristo@apple.com>
2094 * doc/tm.texi (OBJC_JBLEN): Describe.
2095 * config/i386/darwin.h (OBJC_JBLEN): Define.
2096 * config/rs6000/darwin.h: Ditto.
2098 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
2100 PR rtl-optimization/21299
2101 * reload1.c (reload): Purge invalid ASMs in the final pass.
2103 2006-09-19 Steve Ellcey <sje@cup.hp.com>
2106 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
2107 pointers as legitimate constants.
2109 2006-09-19 Paul Brook <paul@codesourcery.com>
2112 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
2114 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
2116 PR tree-optimization/28887
2117 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
2118 component parts from the reference.
2119 (gather_memory_references_ref): Record the reference without the
2120 nonaddressable component parts.
2122 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
2125 * c-opts.c (c_common_handle_option): Ignore the -std options
2126 if the input language is assembly.
2128 2006-09-17 Ira Rosen <irar@il.ibm.com>
2131 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
2133 (ptr_ptr_may_alias_p): Likewise.
2134 (record_record_differ_p): New function.
2135 (base_object_differ_p): Call record_record_differ_p.
2137 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2140 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
2141 away for the expr argument.
2143 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2146 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
2147 before using it for dumping after vectorizing loops.
2149 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
2150 Jack Howarth <howarth@bromo.med.uc.edu>
2153 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
2154 skip on error_mark_node.
2155 (rs6000_darwin64_record_arg_recurse): Likewise.
2157 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
2159 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
2160 * doc/rtl.texi: Remove related documentation.
2162 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
2164 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
2167 2006-09-15 Jim Wilson <wilson@specifix.com>
2169 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
2170 Handle symbol offsets same as they are handled in ia64_expand_move
2173 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
2175 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
2176 Add forgotten parameter to the fprintf call.
2178 2006-09-15 Steve Ellcey <sje@cup.hp.com>
2180 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
2182 2006-09-15 Uros Bizjak <uros@kss-loka.si>
2184 * doc/contrib.texi: Add my entry.
2186 2006-09-15 Nick Clifton <nickc@redhat.com>
2188 * doc/md.texi (Processor pipeline description): Fix typo in
2189 example of how to use the absence_set directive and reword the
2190 description to make it slightly easier to read.
2192 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
2194 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
2195 * loop-doloop.c (doloop_optimize): Use it to limit costs of
2196 expanding the number of iterations.
2197 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
2199 * cfgrtl.c (emit_insn_at_entry): New function.
2200 * rtl.h (emit_insn_at_entry): Declare it.
2201 * integrate.c (emit_initial_value_sets): Use it.
2203 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
2205 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
2207 (struct loop_work and related VEC declarations): Delete.
2208 (bfin_dump_loops): Print out new member bad.
2209 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
2210 (bfin_scan_loop): Don't recurse.
2211 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
2212 loops. No longer need to update outer loops if the current one is
2213 found bad. Move some validitiy checks to bfin_discover_loop.
2214 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
2215 but changed not to check for nesting. Also changed to use the new bad
2217 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
2218 time. Use bitmap based test to discover loop nesting.
2220 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
2222 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
2225 2006-09-14 Richard Guenther <rguenther@suse.de>
2226 Kazu Hirata <kazu@codesourcery.com>
2228 PR middle-end/28884.
2229 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
2230 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
2231 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
2232 with TARGET_FUNCTION_VALUE.
2234 2006-09-14 Anatoly Sokolov <aesok@post.ru>
2237 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
2239 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
2241 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
2244 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
2247 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
2250 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2252 * basic_block.h (bb_has_eh_pred): Fix comment.
2254 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
2256 * flow.c (calculate_global_regs_live): Invalidate eh registers
2257 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
2258 (propagate_block): Handle eh registers as if they were set at basic
2260 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
2262 * global.c (global_conflicts): Make eh registers to conflict with
2263 pseudos live at basic block begin.
2264 * basic_block.h (bb_has_eh_pred): New function.
2266 2006-09-13 Richard Sandiford <richard@codesourcery.com>
2268 PR rtl-optimization/28982
2269 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
2270 index of a PRE_MODIFY or POST_MODIFY address.
2271 * reload1.c (inc_for_reload): Use find_replacement on the original
2272 base and index registers.
2274 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
2276 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
2277 for -Os. Update __m128 alignment requirement.
2279 2006-09-13 Jan Hubicka <jh@suse.cz>
2281 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
2283 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
2285 PR rtl-optimization/28243
2286 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
2287 the insn to which the note was originally attached.
2289 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
2290 Roger Sayle <roger@eyesopen.com>
2292 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
2293 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
2294 on platforms that don't use dwarf for debug info.
2296 2006-09-12 Jason Merrill <jason@redhat.com>
2299 * builtins.c (expand_builtin_setjmp_receiver): Clobber
2300 hard_frame_pointer_rtx after using it to update the frame pointer.
2302 2006-09-12 Roger Sayle <roger@eyesopen.com>
2304 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
2305 (TARGET_ASM_CLOSE_PAREN): Likewise.
2306 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
2307 (TARGET_ASM_CLOSE_PAREN): Likewise.
2309 2006-09-12 Roger Sayle <roger@eyesopen.com>
2312 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
2313 frame information for frames larger than 512 Kbytes on Tru64 when
2314 using the native assembler.
2316 2006-09-12 Roger Sayle <roger@eyesopen.com>
2320 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
2321 and symbols. Instead use the implementation from cse.c's hash_rtx.
2323 2006-09-12 Jan Hubicka <jh@suse.cz>
2325 PR rtl-optimization/28071
2326 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
2327 (vect_transform_loop): Likewise.
2328 * tree-vectorizer.c (new_loop_vec_info): Likewise.
2329 (new_loop_vec_info): Likewise.
2330 (destroy_loop_vec_info): Likewise.
2331 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
2332 (create_stmt_ann): Likewise.
2333 (create_tree_ann): Rename to ...
2334 (create_tree_common_ann): ... this one; allocate only the common part
2336 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
2337 (get_value_handle): Likewise.
2338 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
2339 get_tree_common_ann.
2340 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
2341 (vinfo_for_stmt): Use stmt annotations.
2342 * tree-flow.h (tree_ann_common_t): New type.
2343 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
2344 (tree_ann, get_tree_ann, create_tree_ann): New.
2345 * tree-flow-inline.h (get_function_ann): Do more type checking.
2346 (stmt_ann): Likewise.
2347 (tree_ann): Rename to ...
2348 (tree_common_ann): ... this one; return ony common_ann
2349 (get_tree_ann): Rename to ...
2350 (tree_common_ann): This one; return only common_ann.
2351 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
2354 2006-09-11 Geoffrey Keating <geoffk@apple.com>
2356 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
2357 with_cpu by default.
2359 * dwarf2out.c (dwarf_file_data): New.
2360 (enum dw_val_class): Add dw_val_class_file.
2361 (struct dw_val_struct): Add val_file.
2362 (file_table): Change to a hash table.
2363 (file_table_emitted): Delete.
2364 (file_table_last_lookup_index): Delete.
2365 (emitcount): Delete.
2366 (last_emitted_file): New.
2367 (lookup_filename): Change prototype to return a struct dwarf_file_data.
2368 (init_file_table): Delete.
2369 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
2370 (AT_addr): Add comment.
2374 (print_die): Handle dw_val_class_file.
2375 (print_dwarf_line_table): Update for new file table structure.
2376 (attr_checksum): Do checksum a filename.
2377 (same_dw_val_p, same_attr_p): Do compare a filename.
2378 (size_of_die): Handle dw_val_class_file.
2379 (value_format): Likewise.
2380 (output_die): Likewise. Also, call maybe_emit_file here.
2381 (struct file_info): Constify filenames. Make file_idx a pointer
2382 to a struct dwarf_file_data.
2383 (struct dir_info): Constify directory names. Remove 'used' field.
2384 (struct file_name_acquire_data): New.
2385 (file_name_acquire): New.
2386 (output_file_names): Modify to handle new file data structures.
2387 (add_src_coords_attributes): Use add_AT_file.
2388 (add_call_src_coords_attributes): Likewise.
2389 (dwarf2out_imported_module_or_decl): Likewise.
2390 (gen_subprogram_die): Modify for new file data structures.
2391 (gen_variable_die): Likewise.
2392 (file_table_eq): New.
2393 (file_table_hash): New.
2394 (file_table_last_lookup): New.
2395 (lookup_filename): Rewrite to handle new file data structures.
2396 (maybe_emit_file): Rewrite to handle new file data structures.
2397 (dwarf2out_source_line): Always call lookup_filename and
2399 (dwarf2out_init): Create file_table here.
2400 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
2401 (file_table_relative_p): New.
2402 (dwarf2out_finish): Change detection of relative filenames
2403 to work with new file data structures. Move output_line_info call
2404 after debug_info output.
2406 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
2411 * config/i386/i386.c (override_options): Always default to 16
2412 byte stack boundary.
2414 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
2417 * var-tracking.c (dump_dataflow_set): Start dumping at
2419 (clobber_variable_part): Kill only the variable part in
2420 registers holding it, leaving other variables alone.
2422 2006-09-11 Josh Triplett <josh@freedesktop.org>
2424 * doc/extend.texi (Other Builtins): Actually use the macro
2425 argument in the documentation example for
2426 __builtin_types_compatible_p.
2428 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2430 PR rtl-optimization/28726
2431 * sched-deps.c (sched_analyze_reg): New function extracted from...
2432 (sched_analyze_1): ...here. Call it to analyze references to
2433 registers. Treat again writes to a stack register as writing to the
2435 (sched_analyze_2): ...and here. Call it to analyze references to
2436 registers. Treat again reads of a stack register as reading the
2439 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
2440 David Edelsohn <edelsohn@gnu.org>
2443 * config/rs6000/spe.md (frob_df_di): Remove %H.
2444 (frob_di_df): Remove %H. Change evmergelo to mr.
2445 (frob_di_df_2): Remove %H. Change evldd to two loads.
2447 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
2449 * doc/cpp.texi: Fix names of charset options.
2451 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
2454 * config/i386/i386.c (override_options): Use 128-bit
2455 stack boundary always for 64bits.
2457 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
2459 PR rtl-optimization/28636
2460 * combine.c (force_to_mode): Test for side-effects before
2461 substituting by zero.
2462 (simplify_shift_const): Likewise for zero or other constants.
2464 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
2467 * builtins.c (expand_builtin_setjmp): Force next_lab to be
2470 2006-09-10 Richard Sandiford <richard@codesourcery.com>
2473 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
2474 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
2475 returned by mode_for_size, rather than the mode of src itself,
2476 to choose between 32-bit and 64-bit patterns.
2477 (mips_mem_fits_mode_p): New function.
2478 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
2479 that the size of the source matches the size of the destination.
2480 (mov_<store>l, mov_<store>r): Likewise.
2482 2006-09-10 Eric Christopher <echristo@apple.com>
2484 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
2487 2006-09-09 Eric Christopher <echristo@apple.com>
2490 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
2493 2006-09-09 Roger Sayle <roger@eyesopen.com>
2494 Nicolas Setton <setton@adacore.com>
2496 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
2498 2006-09-10 Andreas Schwab <schwab@suse.de>
2500 * config/m68k/m68k.md (bungt_rev): New pattern.
2502 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
2503 Dale Johannesen <dalej@apple.com>
2506 * regclass.c (struct reg_pref): Update documentation.
2507 (regclass): Set prefclass to NO_REGS if memory is the best option.
2508 (record_reg_classes): Cope with a prefclass set to NO_REGS.
2510 2006-09-08 Eric Christopher <echristo@apple.com>
2512 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
2513 * config/t-slibgcc-darwin: Support x86_64 multilib.
2514 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
2515 Return 1 for x86_64-darwin.
2516 * config/i386/t-darwin: Add m64 multilib.
2517 (LIB2_SIDITI_CONV_FUNCS): Use.
2518 (LIB2FUNCS_EXTRA): Ditto.
2519 * config/i386/darwin.h: Support x86_64.
2520 * config/i386/i386.c (override_options): Turn on flag_pic
2521 for x86_64-darwin. Disable flag_omit_pointer.
2522 (get_pc_thunk_name): Assert !TARGET_64BIT.
2523 (legitimate_address_p): Disable machopic addressing for
2525 (legitimize_pic_address): Ditto.
2526 (ix86_expand_move): Ditto.
2527 (ix86_expand_call): Ditto.
2528 (machopic_output_stub): Ditto.
2529 * config/darwin.c (machopic_select_section): Support literal16.
2530 (machopic_select_rtx_section): Ditto.
2531 * config/darwin-sections.def: Ditto.
2532 * config/darwin-64.c: New.
2534 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
2537 * c-tree.h (struct c_arg_info): Add pending_sizes.
2538 * c-parser.c (c_parser_parms_declarator,
2539 c_parser_parms_list_declarator): Initialize pending_sizes.
2540 * c-decl.c (get_parm_info): Initialize pending_sizes.
2541 (get_parm_info): Set pending_sizes.
2542 (grokdeclarator): Call put_pending_sizes for parameters for
2543 function definition only.
2545 2006-09-07 Jason Merrill <jason@redhat.com>
2548 * varasm.c (output_constant): Only strip actual no-op conversions.
2551 * config/i386/i386.c (override_options): Use 128-bit
2552 stack boundary if -msse.
2554 2006-09-07 Eric Christopher <echristo@apple.com>
2556 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
2558 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
2561 2006-09-07 Geoffrey Keating <geoffk@apple.com>
2563 * dwarf2out.c: Remove strange characters from comment above
2564 dwarf2out_frame_debug_expr.
2566 2006-09-07 Eric Christopher <echristo@apple.com>
2568 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
2569 * config/darwin.h: ... to here.
2571 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
2573 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
2575 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
2576 (TARGET_PARTIAL_FLAG_REG_STALL): New.
2578 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
2579 TARGET_PARTIAL_FLAG_REG_STALL.
2580 (*ashldi3_cconly_rex64): Likewise.
2581 (*ashlsi3_cmp): Likewise.
2582 (*ashlsi3_cconly): Likewise.
2583 (*ashlsi3_cmp_zext): Likewise.
2584 (*ashlhi3_cmp): Likewise.
2585 (*ashlhi3_cconly): Likewise.
2586 (*ashlqi3_cmp): Likewise.
2587 (*ashlqi3_cconly): Likewise.
2588 (*ashrdi3_cmp_rex64): Likewise.
2589 (*ashrdi3_cconly_rex64): Likewise.
2590 (*ashrsi3_cmp): Likewise.
2591 (*ashrsi3_cconly): Likewise.
2592 (*ashrsi3_cmp_zext): Likewise.
2593 (*ashrhi3_cmp): Likewise.
2594 (*ashrhi3_cconly): Likewise.
2595 (*ashrqi3_cmp): Likewise.
2596 (*ashrqi3_cconly): Likewise.
2597 (*lshrdi3_cmp_rex64): Likewise.
2598 (*lshrdi3_cconly_rex64): Likewise.
2599 (*lshrsi3_cmp): Likewise.
2600 (*lshrsi3_cconly): Likewise.
2601 (*lshrsi3_cmp_zext): Likewise.
2602 (*lshrhi3_cmp): Likewise.
2603 (*lshrhi3_cconly): Likewise.
2604 (*lshrqi2_cmp): Likewise.
2605 (*lshrqi2_cconly): Likewise.
2607 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2610 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2611 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2612 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2613 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2614 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2615 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2616 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2617 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2618 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2619 implement only CC setting effects of shift instructions.
2621 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2623 * doc/contrib.texi: Add myself.
2625 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2628 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2629 was set by the user.
2631 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2634 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2635 (divsi_inv_m1): Use them.
2636 (UNSPEC_DIV_INV_TABLE): New constant.
2638 2006-09-06 James E Wilson <wilson@specifix.com>
2641 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2642 then call count_or_remove_death_notes.
2644 2006-09-06 Jason Merrill <jason@redhat.com>
2647 * tree-inline.c (copy_result_decl_to_var): New fn.
2648 (declare_return_variable): Use it. Call declare_inline_vars here.
2649 (expand_call_inline): Not here.
2651 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2653 * doc/contrib.texi: Update my entry.
2655 2006-09-06 Nick Clifton <nickc@redhat.com>
2657 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2659 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2662 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2663 (canonicalize_induction_variables): Likewise.
2664 (tree_unroll_loops_completely): Likewise.
2665 (tree_ssa_prefetch_arrays): Likewise.
2666 (remove_empty_loops): Likewise.
2667 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2668 TODO_cleanup_cfg instead of directly calling
2669 cleanup_tree_cfg_loop.
2670 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2672 (tree_unroll_loops_completely): Likewise.
2673 (remove_empty_loops): Likewise.
2674 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2675 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2676 of tree_ssa_unswitch_loops.
2677 (tree_ssa_loop_ivcanon): Use the return value of
2678 canonicalize_induction_variables.
2679 (tree_ssa_empty_loop): Use the return value of
2681 (tree_complete_unroll): Use the return value of
2682 tree_unroll_loops_completely.
2683 (tree_ssa_loop_prefetch): Use the return value of
2684 tree_ssa_prefetch_arrays.
2685 * passes.c (execute_todo): Before Cleanup CFG, set
2686 updating_used_alone and after cleanup CFG, call
2687 recalculate_used_alone.
2689 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2692 * tree-vect-transform.c (vectorizable_condition): Move the check
2693 for the type after the check for simple condition.
2695 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2696 Kaz Kojima <kkojima@gcc.gnu.org>
2699 * mode-switching.c (optimize_mode_switching): Make the destination
2700 block of an abnormal edge have no anticipatable mode. Don't
2701 insert mode switching code at the end of the source block of
2704 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2706 PR rtl-optimization/26847
2707 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2708 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2709 (simplify_plus_minus): Count n_constants while filling ops. Replace
2710 qsort with insertion sort. Before going through the array to simplify
2711 pairs, sort it. Delay early exit until after the first sort, exiting
2712 only if no swaps occurred. Simplify pairs in reversed order, without
2713 special-casing the first iteration. Pack ops after simplifying pairs.
2715 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2717 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2718 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2719 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2720 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2722 2006-09-05 Richard Guenther <rguenther@suse.de>
2724 PR tree-optimization/28900
2725 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2726 compound conditional before creating COND_EXPR condition.
2728 2006-09-05 Richard Guenther <rguenther@suse.de>
2730 PR tree-optimization/28905
2731 * tree-vrp.c (fix_equivalence_set): Manually implement
2732 !value_ranges_intersect_p to also handle symbolic ranges.
2734 2006-09-05 Richard Guenther <rguenther@suse.de>
2737 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2740 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2742 PR rtl-optimization/27616
2743 * cse.c (table_size): New static variable.
2744 (new_basic_block): Initialize it to 0.
2745 (remove_from_table): Decrement it.
2746 (insert): Increment it.
2747 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2748 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2749 fold_rtx_mem_1 if under the cap.
2750 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2751 the lookup of the equivalent expression and test for equality of the
2752 first operand of the equivalent expression before in turn looking up
2753 an equivalent constant for the second operand.
2755 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2758 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2759 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2760 pointer, instead of assuming it is possible to derive the
2761 correct args size from a call insn.
2763 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2766 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2767 (fold_builtin_mempcpy): Rename to...
2768 (fold_builtin_memory_op): ... this. Optimize one element copy
2770 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2772 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2773 (expand_builtin_memcpy, expand_builtin_mempcpy,
2774 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2775 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2776 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2777 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2779 2006-09-01 DJ Delorie <dj@redhat.com>
2781 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2782 (stzx_16): Likewise.
2783 ("stzx_24_<mode>"): Likewise.
2784 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2785 ("cmp<mode>_op"): New.
2786 (cmp<mode>): Change to expander; just save operands.
2788 (b<code>): Change to expander, emit compare here.
2789 (s<code>_op): Change to use split and expander.
2790 (s<code>_24_op): Likewise.
2791 (s<code>_<mode>): New.
2792 (s<code>_<mode>_24): New.
2793 (movqicc_<code>_<mode): New.
2794 (movhicc_<code>_<mode>): New.
2797 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2798 (m32c_pend_compare): New.
2799 (m32c_unpend_compare): New.
2800 (m32c_expand_scc): New.
2801 (m32c_expand_movcc): Emit the compare also.
2802 * config/m32c/predicates.md (mra_nopp_operand): New.
2804 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2805 Richard Guenther <rguenther@suse.de>
2806 Adam Nemet <anemet@caviumnetworks.com>
2809 * builtins.c (get_pointer_alignment): Handle more forms
2810 of base addresses that can be used to derive more precise
2811 information about alignment.
2813 2006-09-01 Jason Merrill <jason@redhat.com>
2816 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2819 * gimplify.c (voidify_wrapper_expr): Handle null type.
2821 2006-09-01 Josh Conner <jconner@apple.com>
2824 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2825 (execute_return_slot_opt): Use it.
2827 2006-08-31 Josh Conner <jconner@apple.com>
2830 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2831 returning aggregates.
2833 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2835 PR tree-optimization/28839
2836 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2837 blocks in that phi arguments appear.
2839 2006-08-31 Roger Sayle <roger@eyesopen.com>
2842 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2843 NULL, otherwise use an advance_loc4 to adjust relative to the
2845 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2846 (dwarf2out_switch_text_section): Reset the current label to avoid
2847 using advance_loc4 over section boundaries.
2849 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2852 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2853 r12 + SYMBOLIC_CONST.
2855 2006-08-30 Richard Guenther <rguenther@suse.de>
2857 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2859 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2861 PR rtl-optimization/27735
2862 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2863 Add new argument to keep track of whether an irreducible region
2864 was affected. All callers changed.
2865 (fix_irreducible_loops): Removed.
2866 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2867 flags were invalidated.
2869 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2871 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2872 instead of SF operands.
2873 (*fop_df_comm_sse): Likewise.
2874 (*fop_df_comm_i387): Likewise.
2875 (*fop_df_1_mixed): Likewise.
2876 (*fop_df_1_sse): Likewise.
2878 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2879 J"orn Rennecke <joern.rennecke@st.com>
2881 PR tree-optimization/17506
2882 * tree-ssa.c (warn_uninit): If warning about a location outside of
2883 the current function, note where the variable was declared.
2885 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2887 PR tree-optimization/28411
2888 * double-int.c (double_int_div): Use double_int_divmod.
2889 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2890 double_int_mod, double_int_smod, double_int_umod): New functions.
2891 * double-int.h (double_int_divmod, double_int_sdivmod,
2892 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2894 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2896 (get_computation_aff, get_computation_cost_at): Handle double_int
2897 return type of constant_multiple_of.
2899 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2902 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2903 an implicit conversion.
2905 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2907 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2909 2006-08-27 Roger Sayle <roger@eyesopen.com>
2911 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2914 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2916 * config/i386/crtfastmath.c: Fix a comment typo.
2918 2006-08-26 Roger Sayle <roger@eyesopen.com>
2920 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2921 temporary visit flags on CASE_LABEL_EXPRs.
2922 * c-common.c (match_case_to_enum): Add function comment. Avoid
2923 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2924 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2925 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2926 a constant, only warn if that constant value isn't handled.
2928 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2931 * input.h (restore_input_file_stack): Declare.
2932 (INPUT_FILE_STACK_BITS): Define.
2933 * toplev.c (fs_p, input_file_stack_history,
2934 input_file_stack_restored, restore_input_file_stack): New.
2935 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2936 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2937 (pop_srcloc): Don't free old state of stack.
2939 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2942 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2943 (PowerPC Type Attributes): New.
2945 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2947 * config/xtensa/xtensa.c (function_arg_boundary): New.
2948 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2950 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2951 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2953 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2956 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2959 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2961 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2962 (verify_local_live_at_start): Likewise.
2964 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2967 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2968 omp_add_variable): Treat sizes as variable whenever not
2971 2006-08-26 Richard Guenther <rguenther@suse.de>
2974 * fold-const.c (fold_binary): Fold temporary to correct
2975 type before constructing new comparison.
2977 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2980 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2981 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2983 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2986 * c-decl.c (start_function): Don't try to process prototype
2987 information from old declaration that isn't a function.
2989 2006-08-25 Jan Hubicka <jh@suse.cz>
2992 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2994 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2997 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
3000 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
3002 PR tree-optimization/16876
3003 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
3004 exit if PARM doesn't match VALUE.
3006 2006-08-25 Bob Wilson <bob.wilson@acm.org>
3008 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
3009 literal_prefix directive.
3010 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
3011 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3012 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
3014 2006-08-25 David Edelsohn <edelsohn@gnu.org>
3017 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
3018 predicate to general_operand. Add 0->y and I->r alternatives.
3020 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
3022 * doc/tm.texi: Fix a typo.
3023 * predict.c: Fix comment typos.
3025 2006-08-25 Nick Clifton <nickc@redhat.com>
3027 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
3028 assertions of "cpu" and "machine".
3030 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
3033 * tree-ssa-operands.c (access_can_touch_variable): Don't say
3034 the access through a base which has an alias set of 0 cannot
3037 2006-08-24 Bill Wendling <wendling@apple.com>
3039 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
3041 2006-08-24 Jan Hubicka <jh@suse.cz>
3043 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
3045 2006-08-24 Jan Hubicka <jh@suse.cz>
3048 * cgraph.c: Fix comments.
3049 (cgraph_varpool_mark_needed_node): Mark only variables not already
3051 * cgraphunit.c: Update comments; include gt-cgraphunit.h
3052 (cgraph_varpool_assembled_nodes_queue): New static variable.
3053 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
3054 (cgraph_varpool_output_debug_info): New function.
3055 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
3056 * Makefile.in: Add gt-cgraphunit.h
3058 2006-08-24 Jan Hubicka <jh@suse.cz>
3060 * predict.c (probability_reliable_p): New predicate.
3061 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
3062 (predict_loops): Do not predict loop exit with less than 2%
3064 * basic-block.h (edge_probability_reliable_p,
3065 br_prob_note_reliable_p): Declare.
3066 * ia64.h (ia64_print_operand): Do not disable on-chip branch
3067 prediction when static predictor is not reliable.
3068 * rs6000.c (output_cbranch): Likewise.
3070 2006-08-23 Stuart Hastings <stuart@apple.com>
3073 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
3074 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
3076 2006-08-21 Geoffrey Keating <geoffk@apple.com>
3079 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
3080 complex values, nor for generic vector values.
3082 2006-08-22 Richard Guenther <rguenther@suse.de>
3085 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
3086 parameter. Convert arguments to arithmetic expression to the
3088 (analyze_scalar_evolution_1): Adjust caller.
3090 2006-08-22 Jan Hubicka <jh@suse.cz>
3092 Patch by Paolo Bonzini
3093 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
3096 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
3098 PR tree-optimization/28003
3099 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
3100 before grouping aliases.
3102 2006-08-22 Roger Sayle <roger@eyesopen.com>
3104 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
3105 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
3107 2006-08-21 Jason Merrill <jason@redhat.com>
3110 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
3111 wrapper. Loop to handle nested wrappers.
3112 (gimplify_bind_expr): Remove temp parameter.
3113 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
3114 and STATEMENT_LIST on the rhs.
3115 (gimplify_statement_list): Voidify the STATEMENT_LIST.
3116 (gimplify_expr): Pass pre_p to gimplify_statement_list.
3117 (gimplify_target_expr): Remove special BIND_EXPR handling.
3119 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
3121 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
3124 2006-08-21 Olivier Hainque <hainque@adacore.com>
3126 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
3127 Arrange for the temporary captures of components overlapping the lhs
3128 to happen before the lhs is possibly cleared.
3130 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
3132 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
3133 necessary places to pass the correct "number of registers" values
3136 2006-08-20 Jan Hubicka <jh@suse.cz>
3138 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
3139 (create_name_tags): Instead of quadratic checking use hashtable.
3140 * bitmap.h: Include hashtab.h.
3141 (bitmap_hash): Declare.
3142 * bitmap.c (bitmap_hash): New function.
3144 2006-08-20 Jan Hubicka <jh@suse.cz>
3146 PR rtl-optimization/28071
3147 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
3149 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
3150 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
3151 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
3152 cgraph_decide_inlining_incrementally): Update use of
3153 cgraph_check_inline_limits.
3154 * cgraph.c (edge_hash, edge_eq): New function.
3155 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
3156 cgraph_edge_remove_caller, cgraph_node_remove_callees,
3157 cgraph_remove_node): Maintain call site hash.
3158 * cgraph.h (struct cgraph_node): Add call_site_hash.
3159 (cgraph_set_call_stmt): New function.
3161 2006-08-20 Jan Hubicka <jh@suse.cz>
3163 PR rtl-optimization/28071
3164 * reload1.c (reg_has_output_reload): Turn into regset.
3165 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
3166 choose_reload_regs, emit_reload_insns): Update to new
3167 reg_has_output_reload.
3169 2006-08-20 Jan Hubicka <jh@suse.cz>
3172 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
3173 function body sizes.
3174 * cgraphunit.c (cgraph_analyze_function): Don't do so.
3176 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
3179 * tree.c (handle_dll_attribute): Return early if not a
3180 var or function decl.
3182 2006-08-18 Joseph Myers <joseph@codesourcery.com>
3185 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
3186 alignment of SPE vector types.
3188 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
3190 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
3192 2006-08-17 Jakub Jelinek <jakub@redhat.com>
3195 * cgraph.h (struct cgraph_node): Remove externally_visible
3197 * cgraphunit.c (process_function_and_variable_attributes): Set
3198 local.externally_visible rather than externally_visible.
3201 * c-common.c (handle_externally_visible_attribute): First look
3202 at TREE_CODE and only if it is function or var decl, check for
3203 non-public objects. Don't warn for DECL_EXTERNAL.
3204 * cgraphunit.c (process_function_and_variable_attributes): Warn
3205 if externally_visible attribute is used on non-public object.
3207 2006-08-17 Jan Hubicka <jh@suse.cz>
3209 PR tree-optimization/27865
3210 * reload1.c (forget_marked_reloads): New function.
3211 (forget_old_reloads_1): When data are passed, just mark the registers
3213 (reload_as_needed): Use the new mechanizm.
3215 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
3218 * reload.h (reg_equiv_alt_mem_list): New declaration.
3219 * reload1.c (reg_equiv_alt_mem_list): New definition.
3220 (reload): Initialize it and release it.
3221 (delete_output_reload): Use it.
3222 * reload.c (push_reg_equiv_alt_mem): New function.
3223 (find_reloads_toplev): Call it.
3224 (find_reloads_address, find_reloads_address_1): Likewise.
3225 (find_reloads_subreg_address): Likewise.
3227 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3229 PR rtl-optimization/28489
3230 * sched-ebb.c (begin_schedule_ready): Create basic block
3232 (advance_target_bb): Skip empty blocks.
3233 * haifa-sched.c (bb_note): Make global.
3234 * sched-int.h (bb_note): Add prototype.
3236 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3238 PR tree-optimization/27865
3239 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
3241 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
3242 fold_used_pointer, pointer_used_p): New functions.
3243 (analyze_scalar_evolution_1): Use fold_used_pointer.
3244 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
3245 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
3248 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
3251 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
3252 or the INTEGER_CST. Fail on a CALL_EXPR.
3253 (fold_offsetof): Pass new argument to fold_offsetof_1.
3254 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
3255 operand into an INDIRECT_REF.
3256 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
3258 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3260 PR gcov/profile/26570
3261 * value-prof.c (static_values): Removed.
3262 (tree_find_values_to_profile): Do not set static_values.
3263 (find_values_to_profile): Do not free static_values.
3264 * profile.c (instrument_values): Do not free the values.
3265 (branch_prob): Free the values.
3267 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
3269 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
3271 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
3274 * c-typeck.c (build_component_ref): Combine qualifiers of
3275 structure or union and field.
3277 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3279 PR rtl-optimization/28071
3280 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
3281 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
3282 * tree-into-ssa.c (struct dom_dfsnum): New.
3283 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
3285 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
3286 compute_global_livein.
3287 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
3288 in phi nodes in the correct blocks.
3290 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
3292 PR tree-optimization/28364
3293 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
3295 (fold_affine_expr): New function.
3296 (may_eliminate_iv): Use fold_affine_expr.
3298 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3301 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
3304 2006-08-16 Mike Stump <mrs@apple.com>
3306 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
3307 * doc/cppopts.texi (-MD): Likewise.
3309 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
3312 * c-common.c (handle_weak_attribute): Ignore and warn if
3313 not a FUNCTION_ or VAR_DECL.
3315 2006-07-15 Mike Stump <mrs@apple.com>
3318 * c-parser.c (c_parser_typeof_specifier): Don't use
3319 c_finish_expr_stmt, open code desired semantics instead.
3321 2006-08-15 Nick Clifton <nickc@redhat.com>
3323 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
3324 fragment to tmake_file only if threads are enabled.
3325 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
3326 * config/i386/t-gthr-win32: New file. ... here.
3328 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3331 * c-parser.c (c_parser_compound_statement_nostart): Reset
3332 parser->error after each statement.
3334 2006-08-15 Jakub Jelinek <jakub@redhat.com>
3337 * omp-low.c (lower_omp_parallel): Convert t to
3338 receiver_decl's type.
3339 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
3340 source before comparison.
3343 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
3344 to itype in assignment to oldival2.
3346 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
3350 * c-typeck.c (build_compound_expr): If the second expression
3351 is an error mark, then just return an error mark instead of
3352 creating a COMPOUND_EXPR.
3354 2006-07-14 Mike Stump <mrs@apple.com>
3356 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
3358 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
3360 * c-decl.c, var-tracking.c: Fix comment typos.
3362 2006-08-14 Richard Sandiford <richard@codesourcery.com>
3364 PR rtl-optimization/28634
3365 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
3366 for floating-point modes unless flag_unsafe_math_optimizations.
3368 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
3369 Andrew Pinski <pinskia@physics.uc.edu>
3372 * tree.c (build_array_type): Unify array types with
3373 unspecified index_type.
3374 * c-decl.c (grokdeclarator): Make sure we do not modify a
3375 unified incomplete array type.
3376 * c-typeck.c (store_init_value): Create distinct type before
3377 filling in the index type in an initializer from a compound
3380 * c-decl.c (grokdeclarator): Remove code where we copy the
3383 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
3385 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
3386 into account for TODO_dump_cgraph.
3387 (TODO_update_ssa_no_phi): Likewise.
3388 (TODO_update_ssa_full_phi): Likewise.
3389 (TODO_update_ssa_only_virtuals): Likewise.
3390 (TODO_remove_unused_locals): Likewise.
3391 (TODO_set_props): Likewise.
3392 (TODO_update_stmt_usage): Likewise.
3394 2006-08-13 Dirk Mueller <dmueller@suse.de>
3396 * c-common.c (strict_aliasing_warning): Fix formatting.
3398 2006-08-13 Matthias Klose <doko@debian.org>
3400 * doc/invoke.texi: Fix spelling errors.
3402 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
3404 PR rtl-optimization/23454
3405 * reorg.c (relax_delay_slots): Update comment.
3407 2006-08-11 Richard Guenther <rguenther@suse.de>
3410 * simplify-rtx.c (simplify_const_relational_operation):
3411 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
3414 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
3416 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
3417 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
3419 2006-08-10 Paul Brook <paul@codesourcery.com>
3421 * final.c (final_scan_insn): Clear current_insn_predicate before
3422 outputting inline asm.
3424 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
3426 PR tree-optimization/26197
3427 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
3428 get_ref_base_and_extent and overlap_subvar to add only relevant
3429 subvars as may-aliases.
3430 (add_may_alias_for_new_tag): New function, factored out of
3432 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
3433 with additional argument.
3434 * tree-flow.h (new_type_alias): Takes additional argument.
3436 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
3438 * gcov.c (no_data_file): New flag.
3439 (read_count_file): Set it if data file not present. Assume counts
3441 (output_lines): Don't name the data file, if there wasn't one.
3443 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
3445 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
3446 (rs6000_generate_compare): Tweak comments.
3447 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
3449 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
3451 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
3452 (var_debug_decl): New function.
3453 (var_reg_set): Follow debug decl link. Add location even if
3454 reg is already known to hold some other variable.
3455 (var_mem_set): Follow debug decl link.
3456 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
3457 decl link. Delete other known locations of the variable part
3459 (var_reg_delete, var_mem_delete): Delete other known locations
3460 of the variable part if requested.
3461 (same_variable_part_p): New function.
3462 (add_stores): Select MO_COPY when appropriate.
3463 (vt_initialize): Handle it.
3464 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
3465 known locations for MO_SET and MO_CLOBBER.
3466 (find_variable_location_part): New function.
3467 (set_variable_part, delete_variable_part): Use it.
3468 (clobber_variable_part): New function.
3469 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
3472 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
3474 PR tree-optimization/26969
3475 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
3476 with an empty list of PHIs.
3478 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
3482 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
3485 2006-08-06 Andreas Schwab <schwab@suse.de>
3487 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
3488 string. Whitespace and comment fixup.
3490 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3493 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
3497 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
3500 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
3502 2006-08-04 Jan Hubicka <jh@suse.cz>
3506 * reload.c (push_reload): Patch out the mismatching instruction;
3508 (find_reload): Bail out if the instruction was patched out.
3510 2006-08-04 Jan Hubicka <jh@suse.cz>
3512 PR tree-optimization/24888
3513 * tree-inline.c (expand_call_inline): Do not re-record variables.
3514 (declare_inline_vars): Add variable to unexpanded_var_list.
3516 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3517 Roger Sayle <roger@eyesopen.com>
3519 PR rtl-optimization/26244
3520 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
3521 inner_const are negative or greater than or equal to the bitsize of
3522 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
3523 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
3524 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
3525 CONST0_RTX (mode) when the new shift count is greater than or equal to
3526 to the bitsize of the object being shifted and XEXP (y, 0) has no side
3529 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
3531 * tree-cfg.c: Fix a comment typo.
3533 2006-08-03 Mark Mitchell <mark@codesourcery.com>
3536 * varasm.c (output_constant): Give the front end another chance to
3537 expand constants, after stripping NOPs.
3539 2006-08-03 Jan Hubicka <jh@suse.cz>
3541 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
3544 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
3546 PR tree-optimization/27770
3547 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
3548 declaration removed (moved to tree-flow.h).
3549 (vect_can_force_dr_alignment_p): Likewise.
3550 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
3551 (moved from tree-vectorizer.h).
3552 (vect_can_force_dr_alignment_p): Likewise.
3553 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
3554 from outside the vectorizer - in particular from cgraph stage.
3555 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
3556 the alignment of global arrays when -fsection-anchors is enabled.
3557 * cgraphunit.c (cgraph_increase_alignment): New function.
3558 (cgraph_optimize): Call cgraph_increase_alignment.
3560 2006-08-03 David Edelsohn <edelsohn@gnu.org>
3563 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
3564 not reload a SPE symbol_ref into a lo_sum address.
3566 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
3569 * dwarf2out.c (prune_unused_types_prune): Move call to
3570 prune_unused_types_update_strings to cover the parent DIE also.
3572 2006-08-02 Jan Hubicka <jh@suse.cz>
3574 PR gcov/profile/28480
3575 * tree-cfg.c (change_bb_for_stmt): New function.
3576 (tree_merge_blocks, tree_split_blocks): Use it.
3578 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3584 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3585 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3586 (cgraph_optimize): Likewise.
3588 2006-08-01 Stuart Hastings <stuart@apple.com>
3590 * rtl.h (UINTVAL) New.
3591 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3592 * testsuite/gcc.dg/20060801-1.c: New.
3594 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3597 * c-typeck.c (build_external_type): Mark used enum types.
3598 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3600 (gen_subprogram_die): Whitespace fix.
3602 2006-08-01 Jan Hubicka <jh@suse.cz>
3604 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3605 bitmap when not needed.
3606 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3609 2006-08-01 Dirk Mueller <dmueller@suse.de>
3611 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3613 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3615 * Makefile.in: Revert part of previous patch:
3616 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3619 2006-07-30 Eric Christopher <echristo@apple.com>
3622 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3623 (PowerPC Variable Attributes): New section.
3625 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3627 PR target/28126 (partial fix)
3628 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3630 2006-07-28 Jan Hubicka <jh@suse.cz>
3632 PR rtl-optimization/28071
3633 * cfgrtl.c (rtl_delete_block): Free regsets.
3634 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3636 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3638 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3639 and variables used in dependencies.
3641 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3643 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3644 %fs for -mcmodel=kernel.
3645 (stack_tls_protect_test_di): Likewise.
3647 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3649 * Makefile.in: Use mkinstalldirs.
3651 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3654 * opts-common.c (prune_options): Skip joined switches.
3656 2006-07-27 Jan Hubicka <jh@suse.cz>
3658 PR rtl-optimization/28071
3659 * cselib.c (cselib_process_insn): Don't remove useless values too
3660 often for very large hashtables.
3662 2006-07-27 Jan Hubicka <jh@suse.cz>
3664 PR rtl-optimization/28071
3665 * global.c (greg_obstack): New obstack.
3666 (allocate_bb_info): Use it.
3667 (free_bb_info): Likewise.
3668 (modify_reg_pav): Likewise.
3670 2006-07-27 Roger Sayle <roger@eyesopen.com>
3672 * builtins.c (fold_fixed_mathfn): When long and long long are the
3673 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3674 functions to their lceil*, lfloor*, lround* and lrint* forms.
3676 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3679 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3681 (rev_branch_insn): Likewise.
3683 2006-07-27 Jan Hubicka <jh@suse.cz>
3685 PR rtl-optimization/28071
3686 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3687 (reg_set_in_bb, max_reg_computed): New static variables.
3688 (regmove_optimize): Free the new array.
3689 (fixup_match_1): Update call of reg_is_remote_constant_p.
3691 2006-07-26 Jan Hubicka <jh@suse.cz>
3693 PR tree-optimization/27882
3694 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3696 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3698 (cgraph_analyze_compilation_unit): Likewise.
3699 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3700 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3701 (cgraph_early_inlinine): Make order garbage collected.
3702 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3704 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3706 * dbxout.c (output_types_sort): Add a comment.
3707 (output_used_types): Free the VEC.
3709 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3711 * function.c (reorder_fix_fragments): Delete.
3712 (reorder_blocks): Don't call it.
3713 (reorder_blocks_1): Put all subblocks under the origin block.
3715 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3717 PR rtl-optimization/27907
3718 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3721 2006-07-25 Roger Sayle <roger@eyesopen.com>
3724 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3725 bar(x) check that bar's result type can represent all the values of T.
3727 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3729 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3731 2006-07-25 Nick Clifton <nickc@redhat.com>
3733 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3734 size_lookup[] array.
3735 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3736 (ggc_pch_count_object): Likewise.
3737 (ggc_pch_alloc_object): Likewise.
3738 (ggc_pch_write_object): Likewise.
3739 (init_ggc): Do not attempt to initialize entries in the
3740 size_lookup[] array for objects whose size is greater than than
3741 the length of the array.
3743 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3745 * dbxout.c (output_used_types_helper): Push queued types
3747 (output_types_sort): New.
3748 (output_used_types): Collect used types on a VEC and sort them
3751 2006-07-24 Richard Guenther <rguenther@suse.de>
3754 * cgraph.c (cgraph_remove_node): Do not check if dumps
3756 * cgraphunit.c (cgraph_optimize): Likewise.
3758 2006-07-24 Jan Hubicka <jh@suse.cz>
3760 PR rtl-optimization/28071
3761 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3762 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3763 splitting before first stmt.
3765 2006-07-24 Jan Hubicka <jh@suse.cz>
3767 PR rtl-optimization/28071
3768 * ipa-inline.c (update_caller_keys): Remove edges that
3769 are no longer inline candidates.
3771 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3774 * dbxout.c (output_used_types_helper, output_used_types): New.
3775 (dbxout_symbol): Call output_used_types.
3777 2006-07-23 Jan Hubicka <jh@suse.cz>
3781 * cgraph.c (cgraph_varpool_nodes): Export.
3782 (decide_is_variable_needed): Ignored "used" attribute in
3783 unit-at-a-time mode.
3784 * cgraph.h (cgraph_varpool_nodes): Declare.
3785 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3786 unit-at-a-time mode.
3788 2006-07-23 Roger Sayle <roger@eyesopen.com>
3791 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3792 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3793 the __gthrw form of thr_keycreate.
3794 (__gthread_key_delete): Silence the unused argument warning.
3796 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3799 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3800 Cache the last found '\0' marker to avoid quadratic behavior.
3802 2006-07-23 Jan Hubicka <jh@suse.cz>
3804 * i386.md (subsi_3_zext): Fix output template.
3806 2006-07-21 Mike Stump <mrs@apple.com>
3808 * doc/invoke.texi (C++ Dialect Options): Note that
3809 -fvisibility-inlines-hidden doesn't affect explicitly
3810 instantiationed inline methods.
3812 2006-07-20 Roger Sayle <roger@eyesopen.com>
3814 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3815 if the target assembler is GNU binutils' gas.
3816 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3817 whether to pass GNU gas or native as command line options.
3819 2006-07-20 Jason Merrill <jason@redhat.com>
3821 * tree.c (remove_attribute): New fn.
3822 * tree.h: Declare it.
3824 2006-07-20 Paul Brook <paul@codesourcery.com>
3827 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3828 they are invalidated by this instruction.
3830 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3833 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3835 2006-07-20 Eric Christopher <echristo@apple.com>
3838 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3840 2006-07-19 Eric Christopher <echristo@apple.com>
3842 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3843 Rewrite dependencies for libgcc_s.1.dylib.
3845 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3847 * except.c (duplicate_eh_regions_1): Clear next_peer.
3849 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3851 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3852 -mlongcall does not guarantee all calls will be long.
3853 * doc/extend.texi (long_call/short_call): Document that longcall
3854 does not guarantee a long call will be used.
3855 (longcall/shortcall): Likewise.
3857 2006-07-18 Roger Sayle <roger@eyesopen.com>
3860 * expmed.c (expand_shift): Additionally check that the shift_cost
3861 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3862 before implementing a LSHIFT_EXPR as a sequence of additions.
3863 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3864 middle-end that DImode shifts need to be synthesized by expand.
3866 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3869 * tree-ssa-operands.c (access_can_touch_variable): Update
3871 Return true if ALIAS is .GLOBAL_VAR.
3873 2006-07-18 David Daney <ddaney@avtrex.com>
3875 * gcc.c (display_help): Fix typo in help text.
3877 2006-07-18 Olivier Hainque <hainque@adacore.com>
3879 * tree.h (categorize_ctor_elements): Adjust prototype and add
3880 descriptive comment, both in accordance with the interface change
3882 * varasm.c (constructor_static_from_elts_p): New function.
3883 Whether a constructor node is a valid static constant initializer
3884 if all its elements are.
3885 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3886 * output.h: Declare it.
3887 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3888 is a valid constant initializer instead of computing the number of
3889 non-constant elements. Use constructor_static_from_elts_p for this
3890 purpose. Replace the head comment with an indication that this is a
3891 helper for categorize_ctor_elements.
3892 (categorize_ctor_elements): Same interface change as for the _1
3893 helper. Former head comment from this helper moved here, adjusted to
3894 account for the interface changes.
3895 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3896 (all_zeros_p): Likewise.
3897 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3898 static versions of the constructor from the categorize_ctor_elements
3899 return value instead of the formerly computed number of non-constant
3902 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3904 * configure: Regenerate.
3905 * Makefile.in (build_libsubdir): New configure substitution
3906 (build_libobjdir): New variable.
3907 (BUILD_LIBIBERTY): Use it.
3909 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3912 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3914 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3917 * c-common.c (handle_weakref_attribute): Ignore attribute in
3918 the same conditions the alias attribute is ignored.
3920 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3922 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3923 (dbxout_begin_prologue): Increment scope_labelno.
3925 2006-07-17 Richard Henderson <rth@redhat.com>
3928 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3931 2006-07-17 Roger Sayle <roger@eyesopen.com>
3932 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3934 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3935 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3936 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3937 functions such as sbrk, write, etc.. Add function prototypes.
3938 Convert function declarations from K&R to ISO C. Cast pointers
3939 to "long" and "unsigned long" instead of "int" and "unsigned int".
3940 Convert tokens following #endif into comments.
3942 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3944 * invoke.texi: Remove mention of f77; Reformat table for
3945 inline parameter options correctly; mention that -malign-double
3946 is default on x86-64 targets.
3948 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3950 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3951 (convert_affine_scev, chrec_convert_aggressive): Use
3952 avoid_arithmetics_in_type_p. Do not check for the subtypes
3955 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3958 * optabs.c (expand_doubleword_shift): Wrap the call to
3959 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3961 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3964 * optabs.c (expand_binop): Pass next_methods rather than methods
3965 to expand_doubleword_shift.
3967 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3970 * tree.h (dump_addr): Declare.
3971 * print-tree.c (dump_addr): New function.
3972 (print_node_brief, print_node): Use it.
3973 * print-rtl.c (print_rtx): Likewise.
3974 * common.opt (-fdump-noaddr): New option.
3975 * doc/invoke.texi (-fdump-noaddr): Document.
3976 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3977 (ve_info_hash): Likewise.
3979 2006-07-13 Andrew Haley <aph@redhat.com>
3981 PR tree-optimization/19505
3982 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3983 edge leaving this block, make sure that the destination of this
3984 block has only one predecessor.
3986 2006-07-17 Richard Guenther <rguenther@suse.de>
3988 PR tree-optimization/28238
3989 * tree-inline.c (copy_bb): Check if we produced valid
3990 gimple copying and substituting a stmt. If not, gimplify
3993 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3995 * optabs.c (maybe_encapsulate_block): New function extracted from...
3996 (emit_libcall_block): ...here. Invoke it on the block of insns to
3997 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3998 (emit_no_conflict_block): Likewise.
4000 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
4002 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
4004 2006-07-15 Roger Sayle <roger@eyesopen.com>
4006 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
4007 a new NOP_EXPR case of the switch statement.
4009 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
4012 * stor-layout.c (place_field): Take the bit field with
4013 an excessive size into account in the ms-bitfiled case.
4016 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
4017 the previous bit field.
4019 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
4022 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
4024 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
4026 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
4027 signal frames correctly even when the signal was installed with
4030 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
4032 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
4033 (dbxout_function_end): Use local label LFBB. Remove hook
4035 (dbxout_source_line): Use local label LFBB.
4036 (dbxout_block): Likewise.
4037 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
4038 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
4039 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
4040 and DBX_OUTPUT_NFUN.
4042 2006-07-13 Janis Johnson <janis187@us.ibm.com>
4044 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
4046 2006-07-13 Jan Hubicka <jh@suse.cz>
4048 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
4050 * output.h (align_variable): Declare.
4051 * varasm.c (align_variable): Export.
4052 * value-prof.c (tree_value_profile_transformations): Recompute iterator
4053 when basic block changed.
4055 2006-07-13 Nick Clifton <nickc@redhat.com>
4057 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
4058 walking the LOG_LINKS chain.
4060 2006-07-12 Geoffrey Keating <geoffk@apple.com>
4062 * doc/invoke.texi (C++ Dialect Options): Explain difference
4063 between -fvisibility-inlines-hidden and setting hidden
4064 visibility explicitly.
4066 2006-07-12 Eric Christopher <echristo@apple.com>
4068 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
4069 (stmp-lipo): Depend on libgcc.a.
4071 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
4073 * tree.c: Fix a comment typo.
4075 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
4077 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
4079 (umulhisi3_r): Likewise.
4081 2006-07-12 Paolo Carlini <pcarlini@suse.de>
4084 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
4085 x < 19, vs wchar_t support.
4087 2006-07-12 Nick Clifton <nickc@redhat.com>
4089 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
4090 instead of -isa=sh4.
4092 2006-07-12 Mike Stump <mrs@apple.com>
4094 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
4096 2006-07-10 Eric Christopher <echristo@apple.com>
4098 * config/t-slibgcc-darwin: Rewrite.
4100 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
4103 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
4106 2006-07-08 Matthias Klose <doko@debian.org>
4108 * doc/sourcebuild.texi: Fix typo.
4110 2006-07-07 Mike Stump <mrs@apple.com>
4112 * toplev.c (process_options): Don't give -ffunction-sections may
4113 affect debugging warning for Mach-O.
4115 2006-07-07 James E Wilson <wilson@specifix.com>
4117 * config/mips/mips.md (cpu): Add sb1a.
4118 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
4119 addition to sb1. Adjust comments to clarify SB-1A differences from
4121 (ir_sb1a_load): New. Modify bypasses to use it.
4122 (ir_sb1a_simple_alu): Likewise.
4123 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
4124 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
4125 (mips_issue_rate): Add PROCESSOR_SB1A.
4126 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
4127 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
4128 (TARGET_SB1): Add PROCESSOR_SB1A check.
4129 (TUNE_SB1): Likewise.
4131 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
4132 * config/mips/mips.c (mips_store_data_bypass_p): New.
4133 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
4134 store_data_bypass_p.
4136 2006-07-08 Paul Brook <paul@codesourcery.com>
4139 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
4141 2006-07-07 Richard Guenther <rguenther@suse.de>
4144 * tree.h (build_one_cst): Declare.
4145 * tree.c (build_one_cst): New function.
4146 * tree-ssa-math-opts.c (get_constant_one): Remove.
4147 (insert_reciprocals): Use build_one_cst.
4148 * fold-const.c (fold_plusminus_mult): Likewise.
4150 2006-07-07 Roger Sayle <roger@eyesopen.com>
4152 * pointer-set.c (pointer_set_destroy): Correct whitespace.
4153 * cfgloopanal.c (dump_graph): Likewise.
4154 * dojump.c (discard_pending_stack_adjust): Likewise.
4155 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
4157 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
4158 * function.c (finalize_block_changes): Likewise.
4159 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
4160 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
4161 * rtl.c (dump_rtx_statistics): Likewise.
4162 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
4164 * varray.c (dump_varray_statistics): Likewise.
4165 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
4166 decode_decimal64, encode_decimal128, decode_decimal128,
4167 decimal_real_to_decimal): Likewise.
4169 2006-07-07 Richard Guenther <rguenther@suse.de>
4171 PR tree-optimization/28187
4172 * tree-vrp.c (vrp_operand_equal_p): New function.
4173 (vrp_bitmap_equal_p): Likewise.
4174 (update_value_range): Use them to compare old and new
4177 2006-07-06 Roger Sayle <roger@eyesopen.com>
4179 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
4180 a default case to switch statement to silence compiler warnings.
4182 2006-07-06 Roger Sayle <roger@eyesopen.com>
4185 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
4186 the configured assembler supports the x87's ffreep mnemonic.
4187 * configure: Regenerate.
4188 * config.in: Regenerate.
4190 * config/i386/i386.c (output_387_ffreep): New function.
4191 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
4192 (output_387_reg_move): Likewise.
4194 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
4196 Port to hosts whose 'sort' and 'tail' implementations
4197 treat operands with leading '+' as file names, as POSIX
4198 has required since 2001. However, make sure the code still
4199 works on pre-POSIX hosts.
4200 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
4201 which says you should use "tail -c +N" rather than "tail +Nc".
4202 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
4204 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
4206 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
4209 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4212 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
4213 PRE_{INC,DEC} of TFmode.
4215 2006-07-06 David Edelsohn <edelsohn@gnu.org>
4216 Alan Modra <amodra@bigpond.net.au>
4219 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
4222 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4225 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
4226 Remove duplicate gtu.
4228 2006-07-05 Jason Merrill <jason@redhat.com>
4232 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
4233 * c-common.c (handle_packed_attribute): So don't copy it here.
4234 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
4236 2006-07-05 Mike Stump <mrs@apple.com>
4238 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
4240 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
4243 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
4245 2006-07-05 Richard Guenther <rguenther@suse.de>
4248 * config/i386/i386.md (*negdf2_1): Restrict pattern to
4249 TARGET_SSE2 targets if using SSE math.
4250 (*absdf2_1): Likewise.
4252 2006-07-05 Richard Guenther <rguenther@suse.de>
4254 PR tree-optimization/28162
4255 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
4256 make sure to convert the operands to the correct type.
4258 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
4260 PR tree-optimization/28218
4262 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
4263 to calculate and free the dominator information.
4265 2006-07-04 Peter O'Gorman <peter@pogma.com>
4267 * mklibgcc.in: chmod 644 before ranlib during install.
4269 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
4270 J"orn Rennecke <joern.rennecke@st.com>
4272 * configure.ac (.eh_frame data check): Use diff -b.
4274 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
4277 * Makefile.in (BUILD_RTL): Add build/vec.o.
4278 (build/gencondmd.o): Filter out -fkeep-inline-functions.
4279 (build/genextract): Delete.
4280 (build/genautomata): Likewise.
4282 2006-07-04 Alan Modra <amodra@bigpond.net.au>
4285 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
4286 128-bit IBM long doubles for ABI_V4.
4288 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
4290 * tree.c (range_in_array_bounds_p): New predicate.
4291 * tree.h (range_in_array_bounds_p): Declare it.
4292 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
4293 return a less conservative answer.
4294 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
4295 and flag 'is_group'.
4296 (IS_ELEMENT_FOR_GROUP): New macro.
4297 (FOR_EACH_ACTUAL_CHILD): Likewise.
4298 (next_child_for_group): New helper function.
4299 (can_completely_scalarize_p): Take into account groups.
4300 (sra_hash_tree): Handle RANGE_EXPR.
4301 (sra_elt_eq): Likewise.
4302 (lookup_element): Be prepared for handling groups.
4303 (is_valid_const_index): Delete.
4304 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
4305 instead of is_valid_const_index.
4306 <ARRAY_RANGE_REF>: New case.
4307 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
4308 is_valid_const_index.
4309 <ARRAY_RANGE_REF>: Do not unconditionally punt.
4310 (scan_dump): Dump info for groups too.
4311 (decide_instantiation_1): Likewise.
4312 (decide_block_copy): Assert that the element is not a group.
4313 Propagate decision to groups.
4314 (generate_one_element_ref): Handle RANGE_EXPR.
4315 (mark_no_warning): Iterate over actual childs.
4316 (generate_copy_inout): Likewise.
4317 (generate_element_copy): Likewise.
4318 (generate_element_zero): Likewise.
4319 (generate_element_init_1): Likewise.
4320 (dump_sra_elt_name): Handle RANGE_EXPR.
4322 2006-07-03 Roger Sayle <roger@eyesopen.com>
4324 PR tree-optimization/26251
4325 * tree-ssa-threadupdate.c (redirection_block_p): New function.
4326 (thread_block): When optimizing for size refuse to thread jumps
4327 that would require duplication of blocks other than redirection
4330 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4332 * configure.ac: Fix thinko in previous check-in.
4333 * configure: Regenerate.
4335 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
4338 * configure.ac (for lang...): Simplify nesting of conditionals.
4339 Test subdir_requires for non-enabled languages. Move processing
4340 of lang_opt_files and lang_tree_fiels below that test.
4341 * configure: Regenerate.
4342 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
4344 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
4346 * doc/gcov.texi (Invoking Gcov): Add a missing word.
4348 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
4350 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
4353 2006-06-29 Jason Merrill <jason@redhat.com>
4360 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
4361 * c-common.c (c_determine_visibility): Handle it here.
4362 * c-decl.c (finish_decl): Call c_determine_visibility for
4364 * flags.h (enum symbol_visibility): Sort from most to least visibility.
4366 * varasm.c (default_assemble_visibility): Likewise.
4367 * c-common.c (handle_visibility_attribute): Complain about trying
4368 to give visibility to an already defined class, or trying to change
4369 declared visibility. Always attach the attribute.
4374 * attribs.c (decl_attributes): Ignore type-in-place attributes
4375 once the type has been defined.
4377 2006-06-29 Roger Sayle <roger@eyesopen.com>
4380 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
4381 to indicate the cpplib has issued an error message for us.
4383 2006-06-29 Asher Langton <langton2@llnl.gov>
4386 * config/i386/i386.c (ix86_output_function_epilogue): Don't
4387 insert a label at the end of an function under Mach-O.
4389 2006-06-29 Eric Christopher <echristo@apple.com>
4390 Evan Cheng <evan.cheng@apple.com>
4392 * predicates.md (vector_all_ones_operand): New.
4393 (nonimmediate_or_sse_const_operand): Ditto.
4394 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
4395 * config/i386/i386.c (standard_sse_constant_opcode): Define.
4396 (standard_sse_mode_p): Ditto.
4397 (standard_sse_constant_p): Add case for -1 vector.
4398 (ix86_expand_vector_move): Try to use.
4399 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
4400 Call standard_sse_constant_opcode.
4401 (*movv4sf_internal): Ditto.
4402 (*movv2df_internal): Ditto.
4404 2006-06-29 Roger Sayle <roger@eyesopen.com>
4406 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
4407 of XEXP to extract the operands of a MATCH_CODE rtx.
4409 2006-06-28 Andrew Pinski <pinskia@gmail.com>
4411 * tree.c (tree_size): Do not waste tail padding in
4412 struct tree_string and make the size be the same as
4413 build_string will generate.
4415 2006-06-28 Jason Merrill <jason@redhat.com>
4418 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
4419 may_aliases already in the tag's annotations to the bitmap.
4421 2006-06-28 Roger Sayle <roger@eyesopen.com>
4423 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
4425 2006-06-28 Roger Sayle <roger@eyesopen.com>
4427 * genpreds.c (generate_switch_p): New function.
4428 (add_mode_tests): Push the new mode test down inside an AND expr
4429 if this allows the switch-suitable MATCH_CODE to be near the root.
4430 (write_match_code_switch): New function to write a MATCH_CODE as
4432 (write_predicate_stmts): New function to write a predicate RTX
4433 expression as a sequence of statements.
4434 (write_one_predicate_function): Use write_predicate_stmts.
4435 (write_tm_constrs_h): Likewise.
4437 2006-06-26 Fred Fish <fnf@specifix.com>
4439 * config/mips/t-sb1: New file.
4440 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
4443 2006-06-26 DJ Delorie <dj@redhat.com>
4445 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
4447 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
4448 Jayant Sonar <jayants@kpitcummins.com>
4449 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
4451 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
4452 (subsi3, subsi3_1, subsi3_2): New.
4453 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
4454 * config/m32c/mov.md (SI mov peephole): New.
4455 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
4456 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
4458 2006-06-26 Olivier Hainque <hainque@adacore.com>
4460 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
4461 a CALL_EXPR target function declaration.
4463 2006-06-26 Richard Guenther <rguenther@suse.de>
4465 * tree.c (build_string): Do not waste tail padding in
4468 2006-06-26 Richard Guenther <rguenther@suse.de>
4470 * ggc-page.c (init_ggc): Add missing element to size_lookup
4474 2006-06-23 Richard Guenther <rguenther@suse.de>
4476 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4477 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4478 alignment requests instead. Add verification code.
4479 Add struct tree_function_decl and struct tree_binfo size to
4480 extra_order_size_table. Add missing element to size_lookup
4483 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
4486 * fold-const.c (const_binop): Be prepared for self returning zero.
4487 Simplify code handling complex values.
4489 2006-06-24 Olivier Hainque <hainque@adacore.com>
4491 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
4492 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
4495 2006-06-24 Olivier Hainque <hainque@adacore.com>
4497 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
4498 ARRAY_REF, so have the callback called for the low bound expression.
4500 2006-06-23 Janis Johnson <janis187@us.ibm.com>
4502 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
4503 * c-typeck.c (c_common_type): Disallow operations on decimal float
4504 types and other float types.
4505 * convert.c (convert_to_real): Don't ignore conversions involving
4506 decimal float types.
4508 2006-06-23 Olivier Hainque <hainque@adacore.com>
4510 * tree.c (max_int_size_in_bytes): New function, inspired from
4511 code in function.c:assign_temp.
4512 * tree.h (max_int_size_in_bytes): Declare.
4513 * function.c (assign_temp): Use it.
4514 * gimplify.c (create_tmp_var): Relax the assertions on the type
4515 properties, not mandating constant size any more.
4516 (force_constant_size): New static function.
4517 (gimple_add_tmp_var): Use it, forcing variable size to a
4518 constant upper bound if it is not constant on entry.
4520 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
4523 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
4524 for initialization and setting of one_only flag to ...
4525 (i386_pe_encode_section_info): ...here.
4526 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
4527 Recheck that the symbol has not been defined.
4529 2006-06-23 Richard Guenther <rguenther@suse.de>
4531 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
4532 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
4533 alignment requests instead. Add verification code.
4534 Add struct tree_function_decl and struct tree_binfo size to
4535 extra_order_size_table. Add missing element to size_lookup
4538 2006-06-22 Roger Sayle <roger@eyesopen.com>
4539 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4542 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
4543 call to lang_hooks.types.type_for_mode returned NULL_TREE.
4545 2006-06-23 Ben Elliston <bje@au.ibm.com>
4547 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
4548 negate dn -- manipulate it directly.
4550 2006-06-22 Roger Sayle <roger@eyesopen.com>
4551 Steven Bosscher <stevenb.gcc@gmail.com>
4554 * reload1.c (gen_reload): Call mark_jump_label on the new insns
4555 generated by gen_move_insn to add REG_LABEL notes if necessary.
4557 2006-06-22 Bob Wilson <bob.wilson@acm.org>
4559 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
4560 (leaf_entry): Remove use of MIN_ESA.
4562 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
4564 PR rtl-optimization/28121
4565 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
4568 2006-06-21 DJ Delorie <dj@redhat.com>
4570 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
4572 (mulhisi3_r): Likewise.
4574 2006-06-21 Richard Sandiford <richard@codesourcery.com>
4577 * coverage.c (coverage_counter_alloc): Leave the index type
4579 (coverage_counter_alloc): Use null arguments for operands 2 and 3
4582 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4584 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4585 section from the "Options for Code Generation Conventions".
4587 2006-06-21 Richard Henderson <rth@redhat.com>
4591 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4593 (global_symbolic_operand): Allow weak symbols, even if local_p.
4595 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4597 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4598 (find_interesting_uses_address): Punt if above function returns true.
4600 2006-06-21 Richard Guenther <rguenther@suse.de>
4602 * configure: Regenerated.
4604 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4606 * config/mips/mips.c (function_arg): Where one part of a
4607 complex argument is in registers and the other part in the stack,
4608 return a REG not a PARALLEL.
4610 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4612 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4613 when cross-compiling. Do not substitute libstdcxx_incdir.
4614 * configure: Regenerated.
4616 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4618 * varasm.c (mergeable_string_section): Check for embedded NULs and
4619 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4620 rather than TREE_STRING_LENGTH bytes.
4622 2006-06-21 Richard Guenther <rguenther@suse.de>
4624 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4625 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4628 2006-06-21 Richrad Guenther <rguenther@suse.de>
4630 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4631 Limit iteration over the dominators.
4633 2006-06-20 Roger Sayle <roger@eyesopen.com>
4635 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4636 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4638 2006-06-20 Richard Guenther <rguenther@suse.de>
4639 Michael Matz <matz@suse.de>
4641 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4643 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4644 * et-forest.h (et_free_pools): Prototype new function.
4645 * et-forest.c (et_free_tree_force): Free parent occurrence.
4646 (et_free_pools): New function.
4647 * dominance.c (free_dominance_info): Free et-forest alloc
4650 2006-06-20 Roger Sayle <roger@eyesopen.com>
4652 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4653 integer modes, attempt to directly construct an integer constant.
4655 * fold-const.c (native_encode_vector): Determine the size of each
4656 element from the vector type instead of the first vector element.
4658 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4659 if all of its elements/components are constant.
4660 (build_constructor_from_list): Likewise.
4662 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4664 PR tree-optimization/27331
4665 * tree-data-ref.c (free_data_ref): New function.
4666 (create_data_ref): Fail if the data reference has unknown access
4668 (free_data_refs): Use free_data_ref.
4670 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4673 * tree-inline.c (setup_one_parameter): Strip useless
4674 type conversion before adding it to the IR.
4675 (declare_return_variable): Likewise.
4677 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4680 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4682 2006-06-19 Mike Stump <mrs@apple.com>
4684 * tree.c (variably_modified_type_p): VM arguments don't make the
4687 2006-06-19 Richard Guenther <rguenther@suse.de>
4689 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4690 type conversions after folding.
4692 2006-06-19 Richard Guenther <rguenther@suse.de>
4694 * ggc-page.c (extra_order_size_tab): Add entries with
4695 size of struct function and basic_block.
4696 (size_lookup): Extend to cover sizes up to 511.
4697 (ggc_alloc_stat): Adjust user.
4698 (ggc_pch_count_object): Likewise.
4699 (ggc_pch_alloc_object): Likewise.
4700 (ggc_pch_write_object): Likewise.
4702 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4704 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4705 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4708 2006-06-19 Denis Chertykov <denisc@overta.ru>
4710 * config/avr/libgcc.S : Correct my wrong previous commit.
4712 2006-06-19 Roger Sayle <roger@eyesopen.com>
4715 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4716 have stripped a SUBREG from the shift count, so we may need to
4717 convert_to_mode back to the type's mode before calling make_tree.
4718 Use new_amount instead of amount to avoid expanding a tree twice.
4720 2006-06-19 Richard Guenther <rguenther@suse.de>
4723 * fold-const.c (operand_equal_p): Check if the argument types
4724 have the same precision before stripping NOPs.
4726 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4728 Fix PR tree-optimization/27341
4729 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4731 * tree-complex.c (pass_lower_complex): Update SMT usage.
4733 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4735 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4736 Add a new alternative to the constraint strings. Add move of
4737 operand 1 to 3 to the splitter definition.
4738 ("doloop_si_long"): Second contraint alternative removed.
4740 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4742 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4743 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4745 (AVR_HAVE_MOVW) Define.
4746 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4747 (ASM_SPEC): Add avr25.
4748 (LINK_SPEC): Add avr25.
4749 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4750 (base_arch_s): Add new member 'have_movw_lpmx'.
4751 (avr_arch_types): Init 'have_movw_lpmx'.
4752 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4753 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4754 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4755 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4756 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4758 (avr_file_start): Do not output '.arh' derective.
4759 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4760 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4761 * config/avr/avr.md (mcu_enhanced): Delete.
4762 (mcu_have_movw): Define.
4763 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4764 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4765 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4766 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4767 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4768 attiny861 and at86rf401 devices.
4770 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4772 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4775 2006-06-17 Karl Berry <karl@gnu.org>
4777 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4778 doc/gccint.texi, doc/install.texi (@dircategory): Use
4779 "Software development" instead of "Programming", following
4780 the Free Software Directory.
4782 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4784 * config/i386/i386.c (legitimate_tls_address)
4785 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4786 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4787 (*tls_dynamic_gnu2_combine_64): Likewise.
4789 2006-06-16 Richard Guenther <rguenther@suse.de>
4792 * fold-const.c (negate_expr_p): Do not introduce undefined
4793 overflow in negating INTEGER_CSTs.
4794 (fold_negate_expr): Rename from negate_expr. Revert last
4795 change for folding BIT_NOT_EXPR. Change semantics to
4796 return NULL_TREE for non-simplified negations. Do not
4797 strip type conversions and unify type handling.
4798 (negate_expr): New function, wrap around fold_negate_expr
4799 but ensure building a tree always. Strip type conversions
4800 here, fold to result type.
4801 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4803 2006-06-16 Roger Sayle <roger@eyesopen.com>
4806 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4807 that (would) return their results in stack registers.
4809 2006-06-16 Michael Matz <matz@suse.de>
4810 Richard Guenther <rguenther@suse.de>
4812 * fold-const.c (fold_truthop): Only return new tree node if
4813 we canonicalized something.
4815 2006-06-16 Richard Guenther <rguenther@suse.de>
4817 * function.h (enum function_frequency): Move declaration
4818 out of struct function.
4819 (struct function): Move bool fields and the enum to the bitfield
4820 section. Reorder elements to avoid padding. Remove unused
4821 fields left over from the RTL inliner removal.
4822 * function.c (free_after_compilation): Do not zero removed fields.
4823 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4824 (ipa-type-escape.o): Likewise.
4826 2006-06-16 Richard Guenther <rguenther@suse.de>
4828 * cgraph.h (struct cgraph_local_info): Turn bool elements
4830 (struct cgraph_node): Likewise.
4831 (struct cgraph_varpool_node): Likewise.
4833 2006-06-15 Richard Guenther <rguenther@suse.de>
4835 * fold-const.c (fold_truth_not_expr): Rename from
4836 invert_truthvalue. Give it fold_* semantics to avoid
4838 (invert_truthvalue): New function. Wrapper around
4839 fold_truth_not_expr.
4840 (optimize_minmax_comparison): Avoid creating garbage.
4841 (fold_unary): Use fold_truth_not_expr for folding
4843 (fold_ternary): Replace uses of invert_truthvalue with
4844 fold_truth_not_expr where applicable.
4845 * tree.h (fold_truth_not_expr): Prototype.
4847 2006-06-16 Richard Guenther <rguenther@suse.de>
4849 PR tree-optimization/27781
4850 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4851 * ipa-pure-const.c (target.h): Include.
4852 (analyze_function): Do not analyze functions that do not
4855 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4858 * tree-dfa.c (referenced_vars_dup_list): Remove.
4859 (find_referenced_vars): Remove assert.
4860 (referenced_var_check_and_insert): Replace dup list with assert.
4861 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4862 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4864 2006-06-15 Richard Guenther <rguenther@suse.de>
4866 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4867 extra unused identifiers if not dumping.
4868 (create_variable_info_for): Likewise.
4870 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4872 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4873 (derive_constant_upper_bound): Derive more precise upper bound in
4874 common cases. Return type changed to double_int.
4875 (record_estimate): Reflect the changed return type of
4876 derive_constant_upper_bound.
4877 * double-int.c (double_int_zext, double_int_sext): Fix.
4879 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4881 * configure.ac (CFLAGS): Get them from the toplevel or from the
4882 configure invocation.
4883 * configure: Regenerate.
4884 * Makefile.in (CFLAGS): Substitute value provided by configure.
4886 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4889 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4890 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4891 rather than calling add_stmt on it.
4892 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4894 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4897 * reload1.c (reload): Remove registers returned by update_eliminables
4898 from used_spill_regs.
4900 2006-06-13 DJ Delorie <dj@redhat.com>
4902 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4904 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4906 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4907 html__strip_dir, html__mkdir_p. Enhance install-html target.
4908 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4909 * configure: Regenerate.
4911 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4913 * fold-const.c (fold_cond_expr_with_comparison): Check for
4914 Objective-C++ as language in deciding COND_EXPR transformation.
4916 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4919 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4920 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4921 * config/sh/lib1funcs.h (SL, SL1): Define.
4922 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4923 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4924 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4925 (OBJS_Os_4_200): New variable.
4926 ($(T)libgcc-Os-4-200.a): Use it.
4927 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4928 when dividing 1 and/or by 0.
4930 2006-06-13 Roger Sayle <roger@eyesopen.com>
4932 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4933 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4934 * configure: Regenerate.
4936 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4938 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4939 for real instruction.
4941 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4944 * haifa-sched.c (check_cfg): Handle special case.
4946 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4949 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4950 Add debug_info parameter. Chain the vars to the BLOCK instead
4951 of the BIND_EXPR if debug info are requested for them.
4952 (pop_gimplify_context): Adjust for above change.
4953 (gimple_add_tmp_var): Likewise.
4954 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4956 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4957 (convert_local_reference): Likewise.
4958 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4959 (finalize_nesting_tree_1): Request that debug info be emitted
4960 for debug_var_chain.
4962 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4964 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4965 for PR target/27863.
4967 2006-06-13 Richard Guenther <rguenther@suse.de>
4970 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4972 2006-06-13 Richard Guenther <rguenther@suse.de>
4974 PR tree-optimization/27830
4975 * tree-inline.c (copy_body_r): For copying the operand
4976 of an ADDR_EXPR make sure to fold &* afterwards.
4978 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4980 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4981 lvalues in the fb_none case with side-effects.
4983 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4985 * tree-flow.h: Remove the prototype for
4986 compute_phi_arg_on_exit.
4987 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4988 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4991 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4993 * builtins.c (expand_builtin_return_addr): Only use
4994 frame_pointer_rtx when count == 0 and we are expanding
4995 __builtin_return_address.
4997 2006-06-12 Fred Fish <fnf@specifix.com>
4999 * config/mips/mips.c (mips_file_start): Create special section
5000 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
5002 2006-06-11 Eric Christopher <echristo@apple.com>
5005 * stor-layout.c (place_field): Remove check for
5006 remaining_in_alignment when aligning at the end of a run.
5008 2006-06-11 Eric Christopher <echristo@apple.com>
5011 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
5014 2006-06-11 Roger Sayle <roger@eyesopen.com>
5017 Revert incorrect fix for PR target/27158
5018 2006-05-08 Roger Sayle <roger@eyesopen.com>
5019 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5020 of a reg_equiv_constant if the result is a legitimate constant.
5022 2006-06-11 Roger Sayle <roger@eyesopen.com>
5025 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
5026 extract a CONST_VECTOR element and interpret it as an integer.
5027 (vspltis_constant): Use const_vector_elt_as_int instead of the
5028 macro CONST_VECTOR_ELT in order to handle FP vector modes.
5029 * config/rs6000/predicates.md (easy_vector_const): Consider
5030 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
5032 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
5035 * stor-layout.c (update_alignment_for_field): Don't add extra
5036 alignment for packed non-bitfield fields in ms_bitfield_layout_p
5039 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
5041 * config/mips/t-rtems: Add EL/EB multilib variants.
5043 2006-06-09 Mike Stump <mrs@apple.com>
5045 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
5047 2006-06-09 David Daney <ddaney@avtrex.com>
5049 * doc/install.texi: Add binutils version recommendation for mips-*-*.
5051 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
5053 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
5055 2006-06-09 Richard Guenther <rguenther@suse.de>
5057 PR tree-optimization/26998
5058 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
5059 of signed types, only TYPE_MIN_VALUE is special, but for both,
5060 minimum and maximum value. Likewise VR_ANTI_RANGE is special
5061 in this case, as is -fwrapv.
5063 2006-06-08 Mike Stump <mrs@apple.com>
5066 * config/darwin.c (darwin_asm_output_anchor): Disable
5067 -fsection-anchors on darwin for now.
5068 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
5069 * rs6000/rs6000.c (optimization_options): Likewise.
5071 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5074 * config/i386/i386.c (classify_argument): Skip fields with invalid
5077 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
5079 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
5080 (cse_insn): Likewise for the stack_pointer_rtx.
5082 2006-06-08 Roger Sayle <roger@eyesopen.com>
5084 * tree-ssa-dom.c (record_conditions): Only record "unordered"
5085 conditions from floating point comparisons.
5087 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
5090 * expmed.c (struct alg_hash_entry): Fix type of field T
5091 to match synth_mult argument.
5092 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
5094 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5097 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
5100 2006-06-08 Richard Guenther <rguenther@suse.de>
5103 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
5104 only, if overflow is defined and not trapping.
5105 (negate_expr): Likewise.
5107 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5109 PR tree-optimization/27872
5110 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
5111 flag on the new exit edge of the unrolled loop.
5113 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
5115 PR rtl-optimization/26449
5116 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
5118 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
5121 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
5122 referenced_variables with matching DECL_UID's.
5123 (find_referenced_vars): Make sure duplicate list is empty to start.
5124 (referenced_var_p): Remove.
5125 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
5126 Check if var is in the list, and add if needed. Update the duplicate
5127 list if a different var is in the list with the same DECL_UID.
5128 (add_referenced_var): Call routine to check and insert.
5129 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
5130 * tree-flow.h (referenced_vars_dup_list): External declaration.
5132 2006-06-07 Fred Fish <fnf@specifix.com>
5134 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
5137 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
5140 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
5141 the imaginary and real parts of a clobbered register.
5142 Emit insn to set the imaginary part.
5144 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
5146 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
5147 in lieu of unwind-dw2-fde.c.
5149 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
5151 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
5153 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
5156 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
5157 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
5158 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
5159 V4SImode temporaries and operations instead.
5161 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
5163 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
5166 2006-06-06 Mike Stump <mrs@apple.com>
5168 * Makefile.in: Rename to htmldir to build_htmldir to avoid
5169 installing during build.
5171 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
5173 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
5175 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
5176 * config/ia64/ia64.c (params.h): New header.
5177 (ia64_optimization_options): New function to adjust parameters.
5178 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
5179 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
5180 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
5182 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
5184 * stor-layout.c (debug_rli): Fix a typo in a debug message.
5186 2006-06-05 Steve Ellcey <sje@cup.hp.com>
5189 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
5191 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
5192 Victor Kaplansky <victork@il.ibm.com>
5194 PR tree-optimization/26360
5195 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
5198 2006-06-04 Roger Sayle <roger@eyesopen.com>
5199 Andrew Pinski <pinskia@physics.uc.edu>
5202 * c-common.c (c_common_truthvalue_conversion): Explicitly check
5203 for LABEL_DECL before calling DECL_WEAK.
5206 * c-typeck.c (build_binary_op): Likewise, explicitly check for
5207 LABEL_DECL and PARM_DECL.
5209 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
5213 * c-decl.c (grokdeclarator): Disallow variably modified types at
5214 file scope. Avoid marking shared array type of constant size as
5217 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5220 * c-common.c (fold_offsetof_1): Handle static members.
5222 2006-06-04 Eric Christopher <echristo@apple.com>
5224 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
5225 (debug_rli): Output value for remaining_in_alignment.
5226 (update_alignment_for_field): Unconditionalize
5227 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
5228 extra alignment code.
5229 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
5230 ms_bitfield_layout_p code. Rewrite handling of structure fields.
5231 * tree.h (record_layout_info_s): Remove prev_packed.
5232 * doc/extend.texi (ms_struct): Add documentation of format.
5234 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
5236 * tree.h: Declare folding_initializer.
5237 * builtins.c (fold_builtin_constant_p): Give definite answer
5238 if folding inside an initializer.
5239 * fold-const.c: Define folding_initializer.
5240 (START_FOLD_INIT): Save and then set folding_initializer.
5241 (END_FOLD_INIT): Restore folding_initializer.
5243 2006-06-04 Richard Guenther <rguenther@suse.de>
5245 PR tree-optimization/27039
5246 * fold-const.c (fold_comparison): Handle pointer comparison
5247 again for all comparison codes. Compare offsets in signed
5249 (fold_binary): Move code from here.
5251 2006-06-03 Roger Sayle <roger@eyesopen.com>
5254 * config/i386/i386.c (construct_container): Split static issued_error
5255 flag into issued_sse_arg_error, issued_sse_ret_error and
5256 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
5257 requires the use of x87 registers and the user explicitly
5258 specified the -mno-80387 command line option.
5260 2006-06-02 Geoffrey Keating <geoffk@apple.com>
5262 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
5263 HAVE_DECL_SIGALTSTACK.
5265 (segv_handler): Use MC_FLD.
5266 * configure.ac: Check for a sigaltstack declaration.
5267 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
5268 * configure: Regenerate.
5269 * config.in: Regenerate.
5271 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
5274 * Makefile.in (stmp-fixinc): Fix typo.
5276 2006-06-02 Roger Sayle <roger@eyesopen.com>
5278 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
5279 are type correct. Clean-up.
5280 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
5281 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
5283 2006-06-01 DJ Delorie <dj@redhat.com>
5285 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
5286 shift, as we've disabled the "switch" insn that needs it.
5288 2006-06-01 Per Bothner <bothner@bothner.com>
5290 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
5291 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
5292 * c-ppoutput.c (cb_define): Don't increment line 0.
5294 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
5296 * doc/invoke.texi: Add cpu_type power6.
5297 * config.gcc: Add cpu_type power6.
5298 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
5299 to power5+ with Altivec.
5300 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
5301 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
5303 2006-05-30 Anatoly Sokolov <aesok@post.ru>
5305 * config/avr/avr.h (SET_ASM_OP): Define.
5307 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
5309 * config/bfin/bfin.c: Fix comment typos.
5311 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5314 * doc/install.texi: Document --enable-bootstrap and
5315 --disable-bootstrap.
5317 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
5319 * doc/install.texi: Document that InfoZIP can replace jar.
5321 2006-05-31 Roger Sayle <roger@eyesopen.com>
5323 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
5324 isn't available, directly generate the simpler x87 patterns without
5325 the (use (const_int 0)).
5326 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
5327 implementation isn't available.
5328 (*negdf2_1): Likewise.
5329 (*negxf2_1): XF mode negation is always done using the x87.
5330 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
5332 2006-05-31 Roger Sayle <roger@eyesopen.com>
5334 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
5335 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
5337 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
5339 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5341 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
5342 * config/bfin/bfin.c (basic-block.h): Include.
5343 (struct machine_function): New.
5344 (bfin_init_machine_status): New.
5345 (override_options): Initialize init_machine_status.
5346 (bfin_hardware_loop): New.
5347 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
5348 (DEF_VEC_P (loop_info)): New.
5349 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
5350 (struct loop_info): New.
5351 (loop_info): New typedef.
5352 (struct loop_work): New.
5353 (loop_work): New typedef.
5354 (DEF_VEC_O (loop_work)): New.
5355 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
5356 (bfin_dump_loops): New.
5357 (bfin_bb_in_loop): New.
5358 (bfin_scan_loop): New.
5359 (bfin_optimize_loop): New.
5360 (bfin_reorg_loops): New.
5361 (bfin_reorg): Use bfin_reorg_loops.
5362 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
5364 (I_REGNO_P): Simplify.
5365 (DP_REGNO_P, DPREG_P): New macros.
5366 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
5367 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
5368 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
5369 Add LT_REGS, LC_REGS, LB_REGS.
5370 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
5372 (REGNO_REG_CLASS): Deal with loop registers.
5373 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
5375 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
5376 New constants for loop registers.
5377 (UNSPEC_LSETUP_END): New.
5378 (seq_insns): New define_attr. Set it for appropriate insns.
5379 (movsi_insn): Add alternatives for move from/to
5380 loop count registers.
5381 (doloop_end): New define_expand.
5382 (loop_end): New define_insn.
5383 (define_split for bad doloop_end): New.
5384 (lsetup_with_autoinit): New define_insn.
5385 (lsetup_without_autoinit): New define_insn.
5386 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
5387 * config/bfin/predicates.md (lc_register_operand): New.
5388 (lt_register_operand): New.
5389 (lb_register_operand): New.
5390 (nondp_register_operand): New.
5391 (nondp_reg_or_memory_operand): New.
5392 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
5394 2006-05-31 Jie Zhang <jie.zhang@analog.com>
5396 * config/bfin/bfin.c (bfin_delegitimize_address): New.
5397 (TARGET_DELEGITIMIZE_ADDRESS): Define.
5399 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
5401 * Makefile.in (CATALOGS): Add po/ prefix.
5402 * configure: Regenerated.
5404 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
5407 * arm.c (arm_print_operand case 'S'): Validate that the operand is
5408 a shift operand before calling shift_op. Avoid redundant call of
5411 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
5412 DJ Delorie <dj@redhat.com>
5414 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
5415 we're inserting is a singlt-bit constant.
5417 2006-05-30 Roger Sayle <roger@eyesopen.com>
5419 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
5420 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
5422 2006-05-30 Roger Sayle <roger@eyesopen.com>
5424 PR tree-optimization/23452
5425 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
5426 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
5427 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
5428 complex values and with -ffast-math for FP complex values.
5430 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
5432 * c-common.h: Remove the prototype for yyparse.
5433 * rtl.h: Remove the prototype for init_loop.
5435 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
5437 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
5440 2006-05-30 Roger Sayle <roger@eyesopen.com>
5442 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
5444 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
5445 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
5447 2006-05-30 Dirk Mueller <dmueller@suse.de>
5450 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
5451 for CONSTANT_CLASS_P expresisons.
5453 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5456 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
5458 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
5460 PR tree-optimization/27779
5461 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
5462 initial_condition instead of CHREC_LEFT.
5464 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
5466 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
5467 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
5468 Make prototypes ISO C90.
5470 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
5471 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5473 * see.c (see_analyze_one_def): Correct check.
5474 (see_get_extension_data): Check if extension is parallel.
5475 (see_get_extension_reg): Likewise.
5477 2006-05-30 Uros Bizjak <uros@kss-loka.si>
5480 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
5481 into register for (code == GTU).
5483 2006-05-29 Roger Sayle <roger@eyesopen.com>
5485 PR tree-optimization/24964
5486 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
5487 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
5488 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
5489 abs(x)*abs(x) as x*x for scalar floating point modes.
5491 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
5494 * lambda-code.c (perfect_nestify): Don't copy statements
5495 in the inner loop: move them to the inner loop header.
5497 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5500 * c-tree.texi: Document OpenMP directives and clauses.
5502 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5504 * varasm.c (globalize_decl): Fix indentation.
5506 2006-05-29 Diego Novillo <dnovillo@redhat.com>
5509 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
5510 pass_fre, pass_store_ccp, pass_copy_prop,
5511 pass_store_copy_prop, pass_merge_phi, pass_nrv,
5512 pass_return_slot, pass_object_size, pass_lim,
5513 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
5514 pass_loop_prefetch and pass_stdarg.
5516 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
5518 * config/bfin/bfin.opt (mfdpic): New option.
5519 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
5520 (EXTRA_MULTILIB_PARTS): Likewise.
5521 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
5522 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
5524 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
5525 (CRT_CALL_STATIC_FUNCTION): New.
5526 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
5528 (CRT_CALL_STATIC_FUNCTION): New.
5529 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
5531 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
5532 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
5533 (initialize_trampoline): Changed to handle FD-PIC code generation.
5534 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
5535 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
5536 (override_options): Disallow -mid-shared-library -mfdpic combination.
5537 Can't do unaligned ops if FD-PIC.
5538 Turn off flag_pic if trying to generate non-id-shared-library
5539 non-fdpic code, since it's not supported.
5540 (bfin_assemble_integer): New function.
5541 (TARGET_ASM_INTEGER): Define.
5542 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
5544 * config/bfin/crtn.s: Restore them.
5545 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
5547 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
5548 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
5549 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
5550 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
5551 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
5553 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
5554 FDPIC_REGS and FDPIC_FPTR_REGS.
5555 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
5556 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
5557 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
5558 (load_funcdescsi): New pattern.
5559 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
5560 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
5561 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
5563 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
5565 * gcse.c, rtlanal.c: Remove obsolete comments associated with
5568 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
5570 * tree-flow.h: Remove the prototype for add_type_alias.
5571 * tree-ssa-alias.c (add_type_alias): Remove.
5573 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
5575 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
5576 config/fr30/fr30.md, config/i386/i386-interix.h,
5577 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
5578 config/sh/superh64.h, config/v850/v850.c, df-core.c,
5579 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
5580 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
5581 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
5582 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5583 Follow spelling conventions.
5584 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5585 Follow spelling conventions.
5587 2006-05-27 Richard Guenther <rguenther@suse.de>
5590 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5591 to produce a constant of value 1 of generic type.
5593 2006-05-27 Dirk Mueller <dmueller@suse.de>
5595 * cgraphunit.c (decide_is_function_needed): Fix wrong
5598 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5600 PR rtl-optimization/27661
5601 * reload.c (find_reloads): When reloading a VOIDmode constant
5602 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5603 use Pmode as mode of the reload register.
5605 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5607 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5608 is enabled at -O and above.
5610 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5613 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5616 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5619 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5620 for anonymous variables explicitly declared by front ends.
5622 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5624 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5625 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5626 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5627 ref-all pointers, run a finalization pass for them.
5628 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5629 (finalize_ref_all_pointers): New function.
5630 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5631 regular pointer type to a ref-all pointer type.
5632 (get_tmt_for): Return the special memory tag for ref-all pointers.
5634 2006-05-25 Richard Guenther <rguenther@suse.de>
5637 * fold-const.c (fold_binary): Do not look at the stripped
5638 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5640 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5642 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5643 for LT and GT if the computed range is effectively empty.
5645 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5648 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5649 mips_quad_format formats instead of ieee_single_format,
5650 ieee_double_format and ieee_quad_format formats, respectively.
5652 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5654 PR tree-optimization/27639
5655 PR tree-optimization/26719
5656 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5657 call to scev_probably_wraps_p.
5658 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5659 used_in_pointer_arithmetic_p, convert_step): Removed.
5660 (nowrap_type_p): New function.
5661 (scev_probably_wraps_p): Rewritten.
5662 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5663 chrec_convert if chrec_convert_aggressive might have been used.
5664 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5665 scev_direction): New functions.
5666 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5667 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5668 instead of convert_step.
5669 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5670 (convert_step): Declaration removed.
5671 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5673 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5675 * df-core.c: Added to header comments.
5676 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5677 df_ur_bb_info, df_urec_bb_info): Added comments.
5678 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5679 urec, ri problems): Fixed header comments.
5680 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5681 code from df_rd_transfer_function.
5683 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5685 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5686 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5687 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5689 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5691 * expr.c (undefined_operand_subword_p): New.
5692 (emit_move_multi_word): Do not generate move from undefined bits
5693 of a paradoxical subreg.
5695 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5697 PR rtl-optimization/27736
5698 * combine.c (replaced_rhs_value): New variable.
5699 (combine_instructions): Set it.
5700 (distribute_notes): When distributing a note in replaced_rhs_insn,
5701 check whether the value was used in replaced_rhs_value.
5703 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5706 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5707 add_referenced_var instead of add_referenced_tmp_var.
5708 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5709 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5711 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5712 tree_optimize_tail_calls_1): Use add_referenced_var.
5713 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5714 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5715 Use add_referenced_var.
5716 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5717 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5718 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5719 Use add_referenced_var.
5720 * tree-dfa.c (struct walk_state): Remove.
5721 (find_referenced_vars): Remove walk state and vars_found hash table.
5722 (make_rename_temp): Use add_referenced_var.
5723 (find_vars_r): Pass less parameters to add_referenced_var.
5724 (referenced_var_p): New. Is var in referenced_var hash table.
5725 (referenced_var_insert): Assert var isn't already in hash table.
5726 (add_referenced_var): Don't need walk_state parameter. Add var if it
5727 isn't already in the hash table.
5728 (add_referenced_tmp_var): Remove.
5729 (find_new_referenced_vars_1): Use add_referenced_var.
5730 * tree-ssa-pre.c (create_expression_by_pieces,
5731 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5732 Use add_referenced_var.
5733 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5734 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5735 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5737 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5738 vect_create_data_ref_ptr, vect_create_destination_var,
5739 vect_init_vector, vect_build_loop_niters,
5740 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5741 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5742 Use add_referenced_var.
5743 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5744 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5745 (add_referenced_var): Add prototype.
5746 * tree-ssa-structalias.c (get_constraint_for,
5747 intra_create_variable_infos): Use add_referenced_var.
5749 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5751 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5752 big-endian paradoxical subregs.
5753 * var-tracking.c (struct micro_operation_def): Document that,
5754 for modify micro operations, insn is the subsequent instruction.
5755 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5756 (var_reg_set, var_mem_set): ... new functions.
5757 (add_stores): Record subsequent insn.
5758 (compute_bb_dataflow): Use new functions for MO_USE.
5759 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5760 notes after the insn, and modify notes before the insn known
5761 to be the subsequent one.
5762 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5764 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5767 * config/i386/i386.c (ix86_expand_builtin): Use
5768 gen_sse3_monitor64 for TARGET_64BIT.
5770 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5772 PR rtl-optimization/26375
5773 PR rtl-optimization/26855
5774 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5776 (df_ru_bb_local_compute): Reversed statements and removed bogus
5777 comment explaining why they should be in wrong order.
5778 (df_ru_dump, df_rd_dump): Enhanced debug info.
5779 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5781 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5782 reaching uses and fixed space problem.
5784 2006-05-23 Jan Hubicka <jh@suse.cz>
5786 * cgraphunit.c (decide_is_function_needed): Also nested functions
5787 and functions declared inline can be optimized out at -O0.
5789 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5791 * doc/install.texi (Configuration): Remove reference to CrossGCC
5795 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5798 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5799 ix86_compare_emitted is non-NULL.
5801 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5804 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5807 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5809 PR rtl-optimization/25514
5810 * combine.c (replaced_rhs_insn): New variable.
5811 (combine_instructions): Set replaced_rhs_insn when trying to replace
5812 a SET_SRC with a REG_EQUAL note.
5813 (distribute_notes): Use replaced_rhs_insn when determining the live
5814 range of a REG_DEAD register.
5816 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5817 Anatoly Sokolov <aesok@post.ru>
5819 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5820 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5821 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5822 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5823 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5824 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5825 at90usb647, at90usb1286 and at90usb1287 devices.
5826 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5827 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5829 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5831 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5833 2006-05-22 Richard Guenther <rguenther@suse.de>
5836 2006-01-31 Richard Guenther <rguenther@suse.de>
5837 Paolo Bonzini <bonzini@gnu.org>
5839 * doc/install.texi (--disable-libgcc-math): Document.
5841 2006-05-22 Richard Guenther <rguenther@suse.de>
5844 2006-01-31 Richard Guenther <rguenther@suse.de>
5846 * doc/invoke.texi (-msselibm): Document.
5847 * target.h (expand_library_builtin): New target hook.
5848 * builtins.c (expand_builtin): Use expand_library_builtin.
5849 (default_expand_library_builtin): New function.
5850 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5851 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5852 (link_gcc_math_spec): Declare.
5853 (static_specs): Add link_gcc_math_spec.
5854 * expr.h (default_expand_library_builtin): Declare.
5855 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5856 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5857 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5858 * config/i386/i386.opt (msselibm): New target option.
5859 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5860 (ix86_init_sse_abi_builtins): New function.
5861 (ix86_expand_library_builtin): Likewise.
5862 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5863 (override_options): Handle error conditions wrt -msselibm.
5864 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5865 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5866 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5869 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5872 * c-common.c (self_promoting_args_p): Skip erroneous args.
5875 * c-decl.c (finish_struct): Skip erroneous fields.
5877 2006-05-22 Nick Clifton <nickc@redhat.com>
5879 * config/cris/cris.opt (march): Remove VarExists attribute.
5880 (max-stackframe=): Likewise.
5882 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5884 * doc/rtl.texi: Fix a typo.
5885 * see.c: Fix comment typos.
5887 * tree-ssa-structalias.h (alias_info): Remove num_references.
5889 2006-05-21 Mike Stump <mrs@apple.com>
5891 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5893 (darwin_pragma_options): Use BAD instead.
5894 (darwin_pragma_unused): Likewise.
5895 (darwin_pragma_ms_struct): Likewise.
5897 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5899 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5901 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5903 PR rtl-optimization/27671
5904 * simplify-rtx.c (simplify_relational_operation_1): Fix
5905 simplifications of (eq/ne (xor x y) y) and
5906 (eq/ne (xor x y) x).
5908 PR tree-optimization/26622.
5909 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5912 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5914 * tree-cfg.c: Prune whitespace.
5915 (debug_tree_cfg): Point to correct header containing the
5918 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5921 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5923 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5926 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5927 or sorry count is non zero.
5929 2006-05-20 Andreas Schwab <schwab@suse.de>
5931 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5933 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5934 Kenneth Zadeck <zadeck@naturalbridge.com>
5936 PR rtl-optimization/26855
5938 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5940 (df_scan_alloc): Added code to properly handle multiword hard
5941 registers and add all_blocks parameter.
5942 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5943 code to properly handle multiword hard registers.
5944 (df_rescan_blocks): Added code to remove deleted blocks from
5946 (df_ref_create_structure, df_ref_record): Added code to properly
5948 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5949 and set DF_REF_PARTIAL.
5950 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5951 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5952 (df_scan_add_problem): Added flags parameter.
5953 (df_ref_create_structure): Changed switching structure.
5954 (df_bb_refs_record): Fixed case where duplicate artificial refs
5955 were created. Changed location of flags.
5956 (df_record_entry_block_defs): Added code to make stack pointer
5957 live in entry block. Refined cases where frame pointer is needed.
5958 Changed location of flags.
5959 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5960 (df_set_state): Removed function.
5961 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5962 df_insn_create_insn_record, df_insn_refs_delete,
5963 df_ref_create_structure): Formatting changes.
5964 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5965 df_delete_basic_block): New function.
5966 (df_init): Changed location of flags.
5967 (df_add_problem): Added flags parameter and the way flags are
5969 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5970 debug_df_chain): Improved debugging output.
5971 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5972 (df_refs_chain_dump): Removed df parameter.
5973 (df_iterative_dataflow): Added consistency check.
5974 (df_prune_to_subcfg): Made public.
5975 (df_analyze_problem): Added blocks_to_init parameter and made
5977 (df_ref_record, df_bb_refs_record, df_mark_reg,
5978 df_record_exit_block_uses): Whitespace changes.
5979 (df_dump): Whitespace changes.
5980 * df.h: Some reordering to remove forward references.
5981 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5982 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5983 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5984 (dataflow.flags): New field.
5985 (df.flag): Deleted field.
5986 (df_alloc_function): Added additional bitmap parameter.
5987 (df_dependent_problem_function): New type.
5988 (df_problem.changeable_flags): New field.
5989 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5990 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5991 (df_mw_hardreg): New struct.
5992 (DF_INSN_UID_MWS): New macro.
5993 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5995 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5996 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5997 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5998 (df_set_state): Removed function.
5999 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
6000 * df-problems.c (df_chain_dump): Removed df parameter.
6001 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
6002 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
6004 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
6005 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
6006 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
6007 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
6008 DF_REF_MUST_CLOBBER cases.
6009 (df_ru_bb_local_compute_process_def,
6010 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
6011 df_lr_bb_local_compute, df_ur_bb_local_compute,
6012 df_chain_create_bb): Made subreg aware.
6013 (df_ru_bb_local_compute, df_rd_bb_local_compute,
6014 df_lr_bb_local_compute, df_lr_bb_local_compute,
6015 df_chain_create_bb): Cleanup to use proper macros.
6016 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
6017 code to fixup bitvectors.
6018 (df_ri_alloc): Cleared lifetime.
6019 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
6020 df_create_unused_note): New function.
6021 (df_ri_bb_compute, df_ri_compute): Added code to create/update
6022 REG_DEAD and REG_UNUSED notes as well as register information.
6023 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
6024 df_chains_dump): Fixed crash if problem was never run.
6025 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
6026 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
6027 df_ri_add_problem): Processes flags in uniform manner.
6028 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
6029 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
6030 df_rd_dump, df_urec_free_bb_info): Formatting changes.
6031 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
6032 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
6033 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
6034 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
6035 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
6036 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
6037 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
6038 * see.c (see_initialize_data): Ditto.
6039 * final.c (rest_of_clean_state) Added regstack_completed.
6040 * rtl.h (regstack_completed): Ditto.
6041 * reg-stack.c (regstack_completed): Ditto.
6043 2006-05-19 Mike Stump <mrs@apple.com>
6045 * c-tree.h (default_conversion): Remove.
6046 * c-common.h (default_conversion): Add.
6048 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
6050 * tree-vrp.c (valid_value_p): New function.
6051 (adjust_range_with_scev): Fail if the value of bound is not
6054 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6056 * config/mips/linux-unwind.h: Include <asm/unistd.h>
6057 (mips_fallback_frame_state): Use syscall numbers to determine
6058 the appropriate li instruction for the current ABI. Only use
6059 __NR_sigreturn for o32.
6061 2006-05-19 Nicolas Setton <setton@adacore.com>
6063 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
6064 * langhooks.c (lhd_dwarf_name): New function.
6065 * langhooks-def.h (lhd_dwarf_name): Declare.
6066 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
6067 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
6068 * ada/misc.c (gnat_dwarf_name): New function.
6069 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
6071 2006-05-19 Richard Sandiford <richard@codesourcery.com>
6073 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
6075 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
6076 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
6077 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
6078 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
6079 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
6080 determine the size of Wtype, etc.
6081 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
6082 (swfloatfuncs): New variable.
6083 (dwfloatfuncs): Likewise.
6084 (lib2funcs): Remove floating-point conversion functions from
6085 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
6086 the set of conversion routines needed. Allow entries to specify
6087 an object name, filename and word size. Update users accordingly.
6088 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
6089 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
6093 2006-02-08 Roger Sayle <roger@eyesopen.com>
6096 * config/fixtfdi.c: New libgcc source file.
6097 * config/fixunstfdi.c: New source file.
6098 * config/floatditf.c: New source file.
6099 * config/floatunditf.c: New souce file.
6100 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
6101 files above instead of config/mips/_tilib.c.
6102 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
6104 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6106 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
6107 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
6109 2006-05-18 Mike Stump <mrs@apple.com>
6111 Fix up vla, vm and [*] sematics.
6117 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
6118 (c_vla_unspec_p): Add.
6119 (c_vla_type_p): Add.
6120 * c-decl.c (struct c_scope): Add had_vla_unspec.
6121 (build_array_declarator): Add support for [*].
6122 (grokdeclarator): Likewise.
6123 (grokparms): Likewise.
6124 (get_parm_info): Likewise.
6125 * c-objc-common.c (c_vla_unspec_p): Likewise.
6126 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
6127 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
6128 typeof when argument is a variably modified type not inside sizeof or alignof.
6129 (c_parser_direct_declarator_inner): Propagate errors.
6130 (c_parser_sizeof_expression): Add support for [*].
6131 (c_parser_parms_declarator): Initialize had_vla_unspec.
6132 (c_parser_parms_list_declarator): Likewise.
6133 * c-typeck.c (c_vla_type_p): Add.
6134 (composite_type): Add support for vla compositing.
6135 (comptypes_internal): Add support for vla compatibility.
6136 (c_expr_sizeof_expr): Evaluate vla arguments.
6137 * tree.c (variably_modified_type_p): Update comment for [*].
6139 2006-05-18 Michael Matz <matz@suse.de>
6142 * config.host: Make assignments to host_xmake_file cumulative.
6143 * config.host (*-darwin*): Test $host, not $target.
6145 2006-05-12 Stuart Hastings <stuart@apple.com>
6147 * config/i386/i386.opt (-mstackrealign): New flag.
6148 * config/i386/i386.c (force_align_arg_pointer): New attribute.
6149 (ix86_handle_cconv_attribute): Emit error when
6150 force_align_arg_pointer attribute collides with too many regparms.
6151 (ix86_function_regparm): Limit regparms when used with
6152 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
6153 Support stack-realigning prologue in non-main functions. Emit
6154 warning for nested functions under -mstackrealign, emit error for
6155 nested functions with force_align_arg_pointer attribute.
6156 * doc/extend.texi (force_align_arg_pointer): Document it.
6157 * doc/invoke.texi (-mstackrealign): Document it.
6159 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
6161 PR rtl-optimization/27477
6162 * combine.c (try_combine): Don't split a parallel consisting
6163 of two sets into two individual sets if both sets reference
6166 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
6168 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
6169 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
6171 * doc/options.texi (VarExists): Updated.
6173 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6175 * unwind-dw2.c: Add declarations for uw_update_context and
6177 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
6178 detected, advance frame state and context once to skip over stub.
6180 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6184 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
6185 Call rewrite_into_loop_closed_ssa only when something changed.
6186 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
6187 * lambda-code.c (can_convert_to_perfect_nest): Declared.
6188 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
6189 Test for perfect_nest_p here. Fix formating.
6190 (replace_uses_equiv_to_x_with_y): Fix formating.
6191 (stmt_uses_op): Removed.
6192 (can_convert_to_perfect_nest): Removed loopivs parameter.
6193 Complete the test by checking the scalar dependences.
6194 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
6197 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6200 From Dan Kegel <dank@kegel.com>:
6201 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
6203 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
6205 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
6206 if the element type is variably modified without recursing.
6208 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
6211 * tree-loop-linear.c (try_interchange_loops): Test for
6212 no data dependences.
6214 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6216 PR tree-optimization/27548
6217 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
6218 range of ssa names that appear on abnormal edges.
6219 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
6220 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
6222 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
6225 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
6227 2006-05-17 Jakub Jelinek <jakub@redhat.com>
6230 * tree.h (OMP_PARALLEL_COMBINED): Define.
6231 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
6232 (new_omp_context): Add is_combined_parallel argument.
6233 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
6234 new_omp_context caller.
6235 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
6236 Adjust gimplify_scan_omp_clauses callers.
6237 (omp_is_private): Issue errors if iteration variable is firstprivate
6238 or reduction in the current context.
6239 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
6240 on combined parallel workshare constructs.
6242 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6244 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
6245 (gcc-options.o): New rule.
6247 * optc-gen.awk: Protect variables for gcc-options.o with
6248 #ifdef GCC_DRIVER/#endif.
6250 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
6252 Fix PR tree-optimization/27373
6253 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
6254 (forward_propagate_addr_expr): Update call.
6256 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6258 * doc/options.texi: Move the Negative option.
6260 2006-05-16 Richard Guenther <rguenther@suse.de>
6262 PR tree-optimization/22303
6263 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
6265 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
6266 ccp_fold did not simplify the statement.
6268 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
6271 * Makefile.in (GCC_OBJS): New.
6272 (OBJS-common): Add opts-common.o.
6273 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
6274 (cpp$(exeext)): Likewise.
6275 (gcc.o): Also depend on opts.h.
6276 (opts-common.o): New.
6278 * common.opt (gcoff): Add Negative(gdwarf-2).
6279 (gdwarf-2): Add Negative(gstabs).
6280 (gstabs): Add Negative(gstabs+).
6281 (gstabs+): Add Negative(gvms).
6282 (gvms): Add Negative(gxcoff).
6283 (gxcoff): Add Negative(gxcoff+).
6284 (gxcoff+): Add Negative(gcoff).
6285 * config/i386/i386.opt (m32): Add Negative(m64).
6286 (m64): Add Negative(m32).
6288 * doc/options.texi: Document the Negative option.
6290 * gcc.c: Include "opts.h".
6291 (main): Call prune_options after expandargv.
6293 * optc-gen.awk: Generate common declarations for all flag
6294 variables in options.c. Output the neg_index field.
6296 * opts.c (find_opt): Moved to ...
6297 * opts-common.c: Here. New file.
6299 * opts.h (cl_option): Add a neg_index field.
6301 (prune_options): Likewise.
6303 2006-05-16 Jakub Jelinek <jakub@redhat.com>
6306 * omp-low.c (expand_omp_parallel): Don't assert
6307 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
6308 instead search for it.
6311 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
6314 2006-05-16 Andreas Schwab <schwab@suse.de>
6316 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
6319 2006-05-15 Roger Sayle <roger@eyesopen.com>
6322 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
6323 integer constants other than zero are only legitimate on TARGET_64BIT.
6324 <CONST_VECTOR> Only zero vectors are legitimate.
6325 (ix86_cannot_force_const_mem): Integral and vector constants can
6326 always be put in the constant pool.
6328 2006-05-16 DJ Delorie <dj@redhat.com>
6330 * crtstuff.c (__dso_handle): Set section from
6331 TARGET_LBIGCC_SDATA_SECTION if defined.
6332 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
6333 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
6335 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
6338 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
6341 2006-05-16 Ben Elliston <bje@au.ibm.com>
6343 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
6345 2006-05-15 Per Bothner <per@bothner.com>
6347 * tree.c: (last_annotated_node): Use source_locus typedef.
6348 This permits bootstrapping with --enable-mapped-location.
6350 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6352 PR tree-optimization/26830
6353 * tree-into-ssa.c (struct ssa_name_info): Add age field.
6354 (info_for_ssa_name, current_info_for_ssa_name_age,
6355 blocks_to_update): New variables.
6356 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
6357 (clear_ssa_name_info, initialize_flags_in_bb,
6358 mark_block_for_update): New functions.
6359 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
6360 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
6361 prepare_def_site_for): Use mark_block_for_update.
6362 (mark_def_interesting): Assert that the processed block is marked in
6363 blocks_to_update. Do not take blocks argument.
6364 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
6366 (rewrite_update_init_block, rewrite_update_stmt): Only process
6367 blocks with statements to rewrite.
6368 (delete_update_ssa): Do not clear SSA_NAME_AUX.
6369 (update_ssa): Initialize and free blocks_to_update. Do not
6370 clear flags on statements. Do not use blocks bitmap.
6371 * tree.h (SSA_NAME_AUX): Removed.
6372 (struct tree_ssa_name): Removed aux field.
6373 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
6375 2006-05-15 Richard Guenther <rguenther@suse.de>
6377 PR tree-optimization/27603
6378 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6379 Do computations in original type.
6381 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
6383 * see.c: Code style changes such as redundant paranthesis,
6384 redundant intialization of local variables etc.
6385 (see_main): Declared now as static.
6386 * doc/invoke.texi: Update that -fsee is not enabled by
6389 2006-05-15 Jakub Jelinek <jakub@redhat.com>
6391 * omp-low.c (check_omp_nesting_restrictions): New function.
6392 (scan_omp_1): Call it.
6395 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
6396 construct, return *VAR.
6398 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
6400 PR rtl-optimization/27406
6401 * bt-load.c (migrate_btr_def): Skip the block having abnormal
6404 2006-05-14 Roger Sayle <roger@eyesopen.com>
6406 PR rtl-optimization/27538
6407 * combine.c (expand_compound_operation): Call gen_lowpart
6408 before calling simplify_shift_const.
6410 2006-05-14 Roger Sayle <roger@eyesopen.com>
6412 PR rtl-optimization/22563
6413 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
6414 a fixed width bitfield, always force the intermediates into psuedos.
6416 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
6419 * mkconfig.sh: Use operator = instead of == for test.
6421 2006-05-13 Nick Clifton <nickc@redhat.com>
6423 * dwarf2out.c (dbx_reg_number): Check return value from
6424 LEAF_REG_REMAP and only use it if it is valid.
6425 (multiple_reg_loc_descriptor): Likewise.
6427 2006-05-13 Richard Guenther <rguenther@suse.de>
6429 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
6432 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
6434 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
6435 information attached to non-INSNs such as NOTEs.
6436 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
6438 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
6440 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
6442 * config/s390/s390.md: Adjust comment describing On constraint.
6444 2006-05-11 Jan Hubicka <jh@suse.cz>
6446 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
6447 to be output at -O0.
6449 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6452 * fold-const.c (size_binop): Move sanity check for arguments to
6453 the beginning of the function.
6456 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
6459 2006-05-11 Richard Guenther <rguenther@suse.de>
6462 * fold-const.c (fold_unary): Handle intermediate conversion
6463 to a pointer type like intermediate conversion to an integer
6464 type in folding of (T1)(T2)var to var.
6465 Match the code to the comment in the final conversion for
6466 (T1)(T2)var to (T1)var regarding to type precision. Rather
6467 than disallow T1 being of pointer type, assert that both T1
6468 and var are of pointer type or not. Make sure not to fall
6469 over the frontends lazyness wrt array to pointer decay though.
6471 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
6473 * arm.c (arm_struct_value_rtx): Delete.
6474 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
6475 (arm_init_cumulative_args): Always initialize nregs to zero.
6477 2006-05-10 Richard Guenther <rguenther@suse.de>
6479 PR tree-optimization/27532
6480 * tree-object-size.c (plus_expr_object_size): Fix typo.
6482 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
6485 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
6486 ashrdi_const, ashrdi3): Use a scratch register.
6488 2006-05-10 Richard Guenther <rguenther@suse.de>
6490 PR tree-optimization/27302
6491 * fold-const.c (operand_equal_p): For two comparisons,
6492 try comparison of one comparison code swapped if that yields
6495 2006-05-10 Ben Elliston <bje@au.ibm.com>
6497 * tree-pretty-print.c (pretty_print_string): No need to handle
6498 '\0' as a special character.
6500 * tree.h: Include "hashtab.h".
6501 (iterative_hash_expr): Use hashval_t in its prototype.
6502 * Makefile.in (TREE_H): Add $(HASHTAB_H).
6504 2006-05-09 Steve Ellcey <sje@cup.hp.com>
6507 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
6508 (hppa*64*-*-hpux11*): Ditto.
6509 (hppa[12]*-*-hpux11*): Ditto.
6511 2006-05-09 David Edelsohn <edelsohn@gnu.org>
6514 * config/rs6000/aix41.h (TARGET_64BIT): Define.
6516 2006-05-09 Michael Matz <matz@suse.de>
6518 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
6519 host_extra_gcc_objs and host_xmake_file.
6520 (<*-*-linux*>): Don't overwrite host_xmake_file.
6521 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
6522 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
6523 (host_detect_local_cpu): Declare.
6524 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
6525 * config/i386/i386.c (override_options): Handle -mtune=native
6527 * config/i386/x-i386: New file.
6528 * config/i386/driver-i386.c: New file.
6529 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
6532 2006-05-09 Dirk Mueller <dmueller@suse.de>
6533 Richard Guenther <rguenther@suse.de>
6536 * fold-const.c (fold_read_from_constant_string): Relax check
6537 for matching types to matching modes.
6539 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
6541 PR rtl-optimization/27335
6542 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
6545 2006-05-08 Chao-ying Fu <fu@mips.com>
6546 Richard Sandiford <richard@codesourcery.com>
6548 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
6549 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
6550 * config/mips/mips.md (UNSPEC_SCC): New constant.
6551 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
6552 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
6553 (mips_emit_compare): Use it.
6554 (mips_expand_vcondv2sf): New function.
6556 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
6558 Fix PR tree-optimization/27093
6559 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
6560 renaming when they become not-used_alone.
6562 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6564 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
6565 relocation and relocation stubs.
6567 2006-05-08 Eric Christopher <echristo@apple.com>
6569 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
6572 2006-05-08 Jan Hubicka <jh@suse.cz>
6575 * cgraphunit.c (decide_is_function_needed): When not optimizing even
6576 unused static functions are needed.
6578 2006-05-08 Roger Sayle <roger@eyesopen.com>
6581 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
6582 of a reg_equiv_constant if the result is a legitimate constant.
6584 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6587 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6588 standard 80387 constants, raise the cost to prevent
6589 compress_float_constant() to generate load from memory.
6591 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6593 * config/arm/constraints.md (c): Fix a typo.
6595 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6598 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6601 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6603 (_mm_mwait): Likewise.
6605 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6607 (sse3_monitor): Make it 32bit only.
6608 (sse3_monitor64): New. 64bit monitor.
6610 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6613 * config/i386/i386.c (classify_argument): Skip fields with invalid
6616 2006-05-07 Richard Guenther <rguenther@suse.de>
6618 PR tree-optimization/27409
6619 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6620 Do not try to find zero-sized subvars.
6622 2006-05-07 Richard Guenther <rguenther@suse.de>
6624 PR tree-optimization/27136
6625 * tree-ssa-loop-niter.c (get_val_for): Correct function
6626 comment, assert requirements.
6627 (loop_niter_by_eval): Stop processing if the iterated
6628 value did not simplify.
6630 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6632 * opts.c (flag_see): remove its setting at -O3.
6634 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6636 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6637 * arm/constraints.md: New file.
6638 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6639 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6640 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6641 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6642 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6643 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6644 * arm.md: Include constraints.md.
6645 (thumb_movsi_insn): Use satisfies_constraint_J.
6646 (movhi, movqi): Use satisfies_constraint_I.
6648 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6650 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6651 for atmeg a645 device.
6653 2006-05-06 Richard Guenther <rguenther@suse.de>
6655 PR tree-optimization/27151
6656 * tree-vect-transform.c (vectorizable_condition): Punt on
6657 values that have a different type than the condition.
6659 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6662 * c-parser.c (c_parser_cast_expression): Only insert casts into
6663 hash table if pointer.
6664 * function.c (used_types_insert_helper): Rename from
6666 (used_types_insert): Call used_types_insert_helper.
6667 * function.h (used_types_insert): Accept only one argument.
6669 2006-05-05 David Edelsohn <edesohn@gnu.org>
6671 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6672 scratch with output modifier.
6674 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6677 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6678 with output modifier.
6680 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6683 * config/mips/mips.c (mips_symbolic_address_p): Return true
6684 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6685 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6687 2006-05-04 Richard Guenther <rguenther@suse.de>
6689 PR tree-optimization/14287
6690 PR tree-optimization/14844
6691 PR tree-optimization/19792
6692 PR tree-optimization/21608
6693 PR tree-optimization/27090
6694 * tree-ssa-pre.c (try_combine_conversion): New function.
6695 (compute_avail): After constructing the value-handle
6696 expression, use try_combine_conversion to combine NOP_EXPRs
6697 with previous value-handle expressions and use the result if it
6700 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6702 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6704 2006-05-04 Jan Hubicka <jh@suse.cz>
6707 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6709 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6711 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6712 that this only matches CONST_INTs. All users changed to VOIDmode
6715 * config/bfin/bfin.c: Include "optabs.h".
6716 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6718 (enum bfin_builtins): Add a number of fractional and vector builtins.
6719 (bfin_init_builtins): Likewise.
6720 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6721 (safe_vector_operand, bfin_expand_binop_builtin,
6722 bfin_expand_unop_builtin): New functions.
6723 (bfin_expand_builtin): Handle the new builtins.
6724 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6727 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6730 * Makefile.in (OBJS-common): Add see.o.
6731 (see.o): Add dependencies.
6732 * common.opt (fsee): New flag for the see optimization was added.
6733 * opts.c (flag_see): Initialized.
6734 * passes.c (init_optimization_passes, pass_see): New pass.
6735 * rtl.h (see_main): Declaration as extern.
6736 * timevar.def (TV_SEE): New.
6737 * tree-pass.h (pass_see): Declaration as extern.
6738 * invoke.texi (-fsee): Document.
6739 * recog.c (validate_simplify_insn): New function.
6740 * recog.h (validate_simplify_insn): Declaration as extern.
6741 * df-problems.c (df_chain_dump): Check for NULL.
6743 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6744 Daniel Berlin <dberlin@dberlin.org>
6746 * cfgrtl.c (insert_insn_bb_end_new): New function.
6747 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6749 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6751 * df.h (struct web_entry): Moved from web.c.
6752 (union_defs): Declaration as extern.
6753 (unionfind_root): Likewise.
6754 (unionfind_union): Likewise.
6755 * web.c (struct web_entry): Moved to df.h.
6756 (unionfind_root): Remove static declaration.
6757 (unionfind_union): Likewise.
6758 (union_defs): Likewise and generalize to use callback function.
6759 (web_main): Update arguments for union_defs function call.
6761 2006-05-04 Richard Guenther <rguenther@suse.de>
6763 PR tree-optimization/26447
6764 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6765 produce SSA_NAME copies before the store stmt to avoid
6766 breaking exception handling.
6768 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6771 * gimplify.c (omp_is_private): If var is shared in some outer context,
6772 return false instead of true. Stop searching on parallel context
6775 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6778 * coverage.c: Use get_gcov_unsigned_t() instead of
6779 unsigned_type_node all over.
6781 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6783 PR tree-optimization/27381
6784 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6785 maintain the same immediate_use links.
6786 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6787 node rather than segfaulting.
6789 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6792 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6793 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6794 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6796 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6798 Fix PR tree-optimization/26626
6799 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6801 * tree-ssa-operands.c (access_can_touch_variable): Allow
6802 typecasting through union pointers.
6804 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6807 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6808 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6809 to find if var will be a global variable even in the nested context.
6810 (omp_copy_decl): Only check for global variable at the end, it might
6811 be overridden in outer contexts.
6812 (scan_sharing_clauses): For global variables don't create a field.
6813 (lower_rec_input_clauses): Do nothing for global shared variables.
6814 Emit a barrier at the end of ILIST if there were any decls in both
6815 firstprivate and lastprivate clauses.
6816 (lower_send_clauses): Do nothing for global variables except for
6819 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6821 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6822 of the correct signedness is returned.
6824 2006-05-02 Jeff Law <law@redhat.com>
6826 PR tree-optimization/27364
6827 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6828 multiply expressions.
6830 2006-05-02 Tom Tromey <tromey@redhat.com>
6832 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6834 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6837 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6838 -mthumb -fPIC are used.
6840 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6841 Joshua Kinard <kumba@gentoo.org>
6844 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6845 with 64-bit pointers.
6847 2006-05-02 Paul Brook <paul@codesourcery.com>
6849 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6851 (create_fix_barrier): Check that a suitable barrier location is
6853 (arm_reorg): Include ftmp->address in allowable range of addresses.
6855 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6858 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6861 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6864 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6865 around RESULT_DECL for result passed by reference.
6866 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6867 * omp-low.c (use_pointer_for_field): Don't look at
6868 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6869 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6870 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6871 time or var for passing by reference for
6872 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6873 TREE_ADDRESSABLE variables when passing by reference.
6875 * omp-low.c (dump_omp_region): Fix output formatting.
6878 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6879 (expand_omp_parallel): Likewise.
6880 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6883 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6884 on statement list containing also constructors and destructors.
6885 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6888 * except.c (duplicate_eh_regions): Fix clearing of
6889 cfun->eh->region_array entries.
6891 2006-05-01 DJ Delorie <dj@redhat.com>
6893 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6895 (gcc_cv_objdump): Likewise.
6896 * configure: Regenerated.
6898 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6901 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6902 templates for case 3 and 4.
6904 2006-05-01 DJ Delorie <dj@redhat.com>
6906 * vec.c: Include bconfig.h when appropriate.
6907 * Makefile.in (build/vec.o): Adjust dependencies.
6908 * mkconfig.sh: Make sure config.h isn't used for build machine
6911 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6913 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6915 (mark_phi_for_rewrite): New function.
6916 (insert_phi_nodes_for, mark_use_interesting): Call
6917 mark_phi_for_rewrite.
6918 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6919 (update_ssa): Initialize and free phis_to_rewrite.
6921 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6923 PR rtl-optimization/27291
6924 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6925 folded to a constant.
6927 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6929 PR tree-optimization/27283
6930 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6931 not whole # of iteration descriptions.
6932 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6933 uses abnormal ssa name.
6934 (niter_for_single_dom_exit): Ditto.
6935 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6936 return just the number of iterations.
6938 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6940 PR tree-optimization/27144
6941 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6942 (record_estimate): Only record constant upper bound.
6943 (infer_loop_bounds_from_undefined): Call
6944 compute_estimated_nb_iterations just once.
6945 (proved_non_wrapping_p): Renamed to ...
6946 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6947 (convert_step_widening, scev_probably_wraps_p): Call
6948 n_of_executions_at_most instead of proved_non_wrapping_p.
6949 (substitute_in_loop_info): Do not replace values in bounds.
6950 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6953 2006-05-01 Richard Henderson <rth@redhat.com>
6956 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6957 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6960 2006-05-01 Roger Sayle <roger@eyesopen.com>
6962 * c-typeck.c (parser_build_binary_op): Don't call the function
6963 unsigned_conversion_warning to spot operand/result type overflow.
6964 (build_binary_op): Instead, call convert_and_check instead of
6965 convert to report the problem when the operands are promoted.
6966 * c-common.c (unsigned_conversion_warning): Make static.
6967 * c-common.h (unsigned_conversion_warning): Delete prototype.
6969 2006-05-01 Richard Guenther <rguenther@suse.de>
6971 PR tree-optimization/26726
6972 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6974 (find_interesting_uses_address): ... we work around here
6975 by folding INDIRECT_REFs in the substituted base.
6977 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6979 * omp-low.c (dump_omp_region): Add newlines.
6981 2006-04-30 Roger Sayle <roger@eyesopen.com>
6983 * common.opt (Woverflow): New command line option.
6984 * c-common.c (constant_expression_warning): Check warn_overflow.
6985 (overflow_waring): Pass OPT_Woverflow to warning.
6986 (unsigned_conversion_warning): Likewise.
6987 (convert_and_check): Likewise.
6988 * doc/invoke.texi: Document new command line option.
6990 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6992 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6993 TARGET_NO_FP_IN_TOC for section anchors.
6994 (optimization_options): Enable section anchors for all
6995 non-"Objective" languages.
6997 2006-04-28 Eric Christopher <echristo@apple.com>
6999 * config/darwin-c.c (darwin_ms_struct): Move this
7000 (darwin_set_default_type_attributes): and this...
7001 * config/darwin.c: ... here.
7002 * config/darwin.h (darwin_ms_struct): Declare.
7004 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
7006 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
7008 2006-04-28 Roger Sayle <roger@eyesopen.com>
7011 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
7012 (push_array_bounds): Delete prototype. Change BOUNDS argument to
7013 an unsigned HOST_WIDE_INT.
7014 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
7016 (really_start_incremental_init): No need to call convert because
7017 bitsize_zero_node is already of type bitsizetype.
7018 (push_init_level): Extract the value of constructor_index as an
7019 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
7020 (process_init_element): Likewise.
7022 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
7024 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
7025 value before passing to make_relative_prefix.
7027 2006-04-28 Alan Modra <amodra@bigpond.net.au>
7030 * builtins.c (expand_builtin_memset): Expand val in original mode.
7032 2006-04-27 Eric Christopher <echristo@apple.com>
7034 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
7035 with #ifndef/#endif.
7036 * config/darwin-c.c (darwin_ms_struct): New.
7037 (darwin_pragma_ms_struct): Ditto.
7038 (darwin_set_default_type_attributes): Ditto.
7039 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
7040 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
7041 Register ms_struct pragma.
7042 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
7043 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
7044 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
7045 darwin_set_default_type_attributes if TARGET_MACHO.
7047 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
7049 PR tree-optimization/26854
7050 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
7051 * doc/tree-ssa.texi: Update immuse iterator documentation.
7052 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
7053 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
7054 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
7055 first_safe_imm_use, next_safe_imm_use): Remove.
7056 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
7057 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
7058 (move_use_after_head): New. Helper function to sort immuses in a stmt.
7059 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
7060 (first_imm_use_stmt): New. Get first stmt in an immuse list.
7061 (next_imm_use_stmt): New. Get next stmt in an immuse list.
7062 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
7063 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
7064 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
7065 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
7066 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
7067 (perfect_nestify): Use new iterator.
7068 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
7070 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
7071 (next_imm_name): New field in struct immediate_use_iterator_d.
7072 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
7073 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
7074 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
7075 * tree-cfg.c (replace_uses_by): Use new iterator.
7076 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
7077 * tree-ssa-operands.c (correct_use_link): Remove.
7078 (finalize_ssa_use_ops): No longer call correct_use_link.
7080 2006-04-27 Stuart Hastings <stuart@apple.com>
7082 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
7083 * config/t-darwin (crt3.o): Use it.
7084 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
7085 'pmode', use Pmode instead of SImode for SYMBOL_REF.
7086 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
7087 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
7088 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
7091 2006-04-27 Roger Sayle <roger@eyesopen.com>
7093 * expmed.c (store_fixed_bit_field): If we're not optimizing for
7094 size, force the intermediate into a new pseudo rather instead of
7095 performing both a bitwise AND and a bitwise IOR in memory.
7097 2006-04-27 Richard Guenther <rguenther@suse.de>
7099 PR rtl-optimization/26685
7100 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
7101 this one "max-flow-memory-locations".
7103 2006-04-27 Richard Guenther <rguenther@suse.de>
7105 PR tree-optimization/25148
7106 * tree-vrp.c (compare_values): Remove code dealing with
7107 comparisons against type min/max value. Honour overflow
7108 and negative constants in code dealing with comparisons
7109 of plus and minus expressions.
7110 (value_inside_range): Use fold_binary with LE_EXPR and
7111 GE_EXPR rather than compare_values.
7113 2006-04-27 Dirk Mueller <dmueller@suse.de>
7115 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
7118 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
7120 * basic-block.h (safe_insert_insn_on_edge): Removed.
7121 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
7123 2006-04-26 David Edelsohn <edelsohn@gnu.org>
7124 Paolo Bonzini <bonzini@gnu.org>
7127 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
7128 (simplify_and_const_int): Same.
7130 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
7132 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
7134 2006-04-26 Jakub Jelinek <jakub@redhat.com>
7137 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
7138 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
7139 cgraph_global_info_ready.
7142 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
7145 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
7146 either decl or init is error_mark_node.
7149 * tree-flow.h (struct omp_region): Add sched_kind.
7150 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
7151 instead of extracting omp for data.
7152 (expand_omp_for): Save extracted sched_kind.
7154 2006-04-25 Roger Sayle <roger@eyesopen.com>
7156 * expmed.c (store_bit_field): Also check whether the bitsize is
7157 valid for the machine's "insv" instruction before moving the
7158 target into a pseudo for use with the insv.
7159 * config/i386/predicates.md (const8_operand): New predicate.
7160 * config/i386/i386.md (extv, extzv, insv): Use the new
7161 const8_operand predicate where appropriate.
7163 2006-04-25 DJ Delorie <dj@redhat.com>
7165 * doc/install.texi (Specific): Clarify that this is not a list of
7166 supported hosts or targets.
7168 2006-04-25 Richard Sandiford <richard@codesourcery.com>
7170 PR rtl-optimization/26725
7171 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
7172 block's BB_DIRTY flag.
7174 2006-04-25 Geoffrey Keating <geoffk@apple.com>
7176 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
7179 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
7180 to print an integer.
7182 2006-04-25 David Edelsohn <edelsohn@gnu.org>
7184 * varasm.c (align_variable): New function.
7185 (get_block_for_decl): Apply align_variable to DECL before
7186 calculating section information.
7187 (assemble_variable): Split out alignment computation.
7189 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
7191 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
7194 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
7196 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
7197 MODE_PARTIAL_INT mode.
7198 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
7199 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
7201 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
7202 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
7204 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
7206 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
7208 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
7209 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
7210 MACFLAG_IH): Likewise.
7211 (movstricthi_1): Renamed from "*movstricthi".
7212 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
7213 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
7214 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
7215 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
7216 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
7217 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
7218 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
7219 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
7220 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
7221 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
7222 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
7223 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
7224 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
7225 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
7226 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
7228 * doc/rtl.texi (ss_ashift): Improve wording.
7230 2006-04-24 Geoffrey Keating <geoffk@apple.com>
7232 * dwarf2out.c (verify_marks_clear): New.
7233 (prune_unused_types): Call verify_marks_clear initially, not
7236 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
7238 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
7239 * doc/rtl.texi: Document them.
7240 * simplify-rtx.c (simplify_unary_operation,
7241 simplify_binary_operation_1): Don't abort when we see them.
7243 2006-04-24 Mark Mitchell <mark@codesourcery.com>
7246 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7247 * configure.ac: Completely disregard languages that are not
7249 * configure: Regenerated.
7251 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7252 Richard Guenther <rguenther@suse.de>
7254 PR tree-optimization/27236
7255 * tree-inline.c (copy_body_r): Make sure to copy
7256 TREE_THIS_VOLATILE flag.
7258 2006-04-24 Richard Guenther <rguenther@suse.de>
7261 * tree-complex.c (update_parameter_components): Don't handle
7262 unused parameters which have no default def.
7264 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
7265 Richard Guenther <rguenther@suse.de>
7267 PR tree-optimization/27218
7268 * tree-inline.c (expand_call_inline): Strip useless type
7269 conversions for the return slot address.
7271 2006-04-24 Richard Guenther <rguenther@suse.de>
7273 * cfgloop.h (struct loops): Remove unused field array. Reorder
7275 (LOOP_PREFETCH): Remove.
7277 2006-04-24 Richard Guenther <rguenther@suse.de>
7279 PR tree-optimization/22525
7280 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
7281 variable, adjust types of generated expressions.
7283 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
7285 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
7286 (tree-vect-patterns.o): Likewise.
7288 (cselib.o): Likewise.
7289 (loop-doloop.o): Likewise.
7290 (regclass.o): Likewise.
7291 (reload1.o): Likewise.
7292 (explow.o): Replace target.h with $(TARGET_H).
7293 (ipa-prop.o): Likewise.
7294 (ipa-cp.o): Likewise.
7295 (ipa-inline.o): Likewise.
7296 (reorg.o): Likewise.
7297 (reg-stack.o): Likewise.
7299 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7301 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
7303 2006-04-23 Mark Mitchell <mark@codesourcery.com>
7305 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
7307 * configure.ac: Completely disregard languages that are not
7309 * configure: Regenerated.
7312 * c-common.h (c_build_bitfield_integer_type): Declare.
7313 * c-decl.c (c_build_bitfield_integer_type): Move to ...
7314 * c-common.c (c_build_bitfield_integer_type): ... here.
7316 2006-04-23 Roger Sayle <roger@eyesopen.com>
7319 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
7320 a SImode SUBREG of a floating point register after no_new_pseudos.
7322 2006-04-23 Roger Sayle <roger@eyesopen.com>
7324 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
7325 identify potentially eliminable registers to additionally catch
7326 VIRTUAL_INCOMING_ARGS_REGNUM.
7327 (addsi3): Update the conditions on when to use addsi_small_int.
7329 2006-04-23 Roger Sayle <roger@eyesopen.com>
7332 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
7333 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
7334 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
7336 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
7338 * fold-const.c (range_predecessor): Use operand_equal_p
7339 as the predicate for equality.
7340 (range_successor): Likewise.
7342 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7345 * config/soft-fp/op-common.h: Fix a typo.
7347 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
7350 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
7351 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
7353 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
7355 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
7357 * doc/tm.texi: Fix a typo.
7359 2006-04-21 Geoffrey Keating <geoffk@apple.com>
7361 * dwarf2out.c (struct die_struct): Document that die_sib makes
7362 a circular linked list.
7363 (FOR_EACH_CHILD): New.
7364 (reverse_die_lists): Delete.
7365 (reverse_all_dies): Delete.
7366 (add_dwarf_attr): Correct documentation.
7367 (remove_child_with_prev): New.
7368 (remove_child_TAG): Update for change to die_struct, use
7369 remove_child_with_prev.
7370 (add_child_die): Update for change to die_struct.
7371 (splice_child_die): Use remove_child_with_prev and add_child_die.
7372 (print_die): Use FOR_EACH_CHILD.
7373 (die_checksum): Likewise.
7374 (assign_symbol_names): Likewise.
7375 (output_location_lists): Likewise.
7376 (build_abbrev_table): Likewise.
7377 (calc_die_sizes): Likewise.
7378 (mark_dies): Likewise.
7379 (unmark_dies): Likewise.
7380 (unmark_all_dies): Likewise.
7381 (output_die): Likewise.
7382 (prune_unused_types_mark): Likewise.
7383 (prune_unused_types_walk): Likewise.
7384 (same_die_p): Update for change to die_struct.
7385 (break_out_includes): Likewise.
7386 (prune_unused_types_prune): Likewise.
7387 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
7388 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
7390 (dwarf2out_finish): Don't call reverse_all_dies.
7392 2006-04-21 Eric Christopher <echristo@apple.com>
7394 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
7395 in comments and function names.
7397 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7400 * c-typeck.c (digest_init): Robustify.
7402 * c-typeck.c (pop_init_level): Simplify.
7404 2006-04-21 Steve Ellcey <sje@cup.hp.com>
7406 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
7408 2006-04-21 Paul Brook <paul@codesourcery.com>
7410 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
7411 hardware floating point.
7413 2006-04-21 David Edelsohn <edelsohn@gnu.org>
7415 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
7418 2006-04-21 Nick Clifton <nickc@redhat.com>
7420 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
7423 2006-04-21 Alan Modra <amodra@bigpond.net.au>
7426 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
7427 C++ lang type in traceback table for Objective-C++.
7429 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
7431 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
7433 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
7435 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7438 * tree-mudflap.c (mudflap_finish_file): Skip function when there
7439 were errors. Remove check for erroneous objects.
7441 2006-04-20 Jeff Law <law@redhat.com>
7443 PR tree-optimization/26854
7444 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
7445 checking for zero or one use.
7446 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
7447 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
7448 * tree-ssa-reassoc.c (negate_value): Similarly.
7449 (reassociate_bb): Similarly.
7451 2006-04-20 Jakub Jelinek <jakub@redhat.com>
7453 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
7454 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
7455 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
7457 2006-04-20 Alan Modra <amodra@bigpond.net.au>
7459 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
7460 fp regs if the last fp arg doesn't fit in regs.
7462 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
7465 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
7466 that the last insn has the REG_INC note.
7468 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
7469 Nathan Sidwell <nathan@codesourcery.com>
7472 * stor-layout.c (update_alignment_for_field): Do not align
7474 (place_union_field): Place union field at the start of the union.
7475 (place_field): Move ERROR_MARK check later, and use the current
7476 allocation position to maintain monotonicity.
7478 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
7480 * dominance.c: Include timevar.h.
7481 (calculate_dominance_info): Use TV_DOMINANCE.
7482 * timevar.def (TV_DOMINANCE): New timevar.
7483 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
7485 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7487 PR rtl-optimization/14261
7488 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
7489 move would be an INSV insn.
7490 (noce_process_if_block): Don't optimize if the destination is a
7491 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
7493 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
7495 * config/s390/s390.md: Add comments with the instructions emitted
7496 by an insn pattern if macros are used.
7498 2006-04-19 Alan Modra <amodra@bigpond.net.au>
7500 PR rtl-optimization/26026
7501 * fold-const.c (fold_binary): Optimize div and mod where the divisor
7502 is a known power of two shifted left a variable amount.
7504 2006-04-18 Geoffrey Keating <geoffk@apple.com>
7506 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
7507 to hash table twice when the debug_str section has SECTION_MERGE.
7509 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
7511 * config/soft-fp: New directory. From glibc.
7512 * config/soft-fp/t-softfp: New.
7513 * config/soft-fp/README: New.
7514 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
7515 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
7516 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
7517 (LIBGCC_DEPS): Add $(SFP_MACHINE).
7518 * config.gcc: Use rs6000/t-fprules-fpbit or
7519 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
7521 * config/rs6000/sfp-machine.h: New. Based on glibc.
7522 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
7524 * config/rs6000/t-fprules: Remove fp-bit rules.
7525 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
7526 * config/rs6000/t-linux64: Likewise. Remove duplicates from
7527 LIB2FUNCS_EXTRA. Remove fp-bit rules.
7528 (softfp_wrap_start, softfp_wrap_end): New.
7530 2006-04-18 DJ Delorie <dj@redhat.com>
7532 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
7534 2006-04-18 Devang Patel <dpatel@apple.com>
7536 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
7538 2006-04-18 Nick Clifton <nickc@redhat.com>
7540 * config/sh/t-symbian: Add rule to build sh-c.o
7541 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
7542 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
7543 (sh_symbian_encode_section_info): Likewise.
7545 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
7547 * builtins.c (expand_builtin_strcmp): Cover label definition of
7548 do_libcall with HAVE_cmpstrnsi.
7550 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
7552 * function.c (temp_slots_at_level, max_slot_level): Use VEC
7554 * function.h (temp_slot_p): New.
7555 (function): Change the type of x_used_temp_slots to
7556 VEC(temp_slot_p,gc) *.
7558 2006-04-18 Nick Clifton <nickc@redhat.com>
7560 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
7561 flag_strength_reduce.
7563 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
7565 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7569 Partial revert of revision 112637
7570 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7571 Dale Johannesen <dalej@apple.com>
7574 * regclass.c (struct reg_pref): Update documentation.
7575 (regclass): Set prefclass to NO_REGS if memory is the best option.
7576 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7578 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
7580 PR tree-optimization/26821
7581 * tree-ssa-math-opts.c (get_constant_one): New.
7582 (insert_reciprocals): Use it.
7584 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7586 * dwarf2out.c (free_AT): Delete.
7587 (remove_AT): Update string ref counts.
7588 (remove_child_TAG): Don't call free_die.
7590 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7591 or DW_TAG_GNU_EINCL.
7592 (prune_unused_types_walk_attribs): Reset string refcounts.
7593 (prune_unused_types_update_strings): New.
7594 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7595 call free_die. Do call prune_unused_types_update_strings.
7596 (prune_unused_types): Empty debug_str_hash.
7598 2006-04-17 Roger Sayle <roger@eyesopen.com>
7600 * expr.c (expand_assignment): Optimize away no-op moves where the
7601 source and destination are equal and have no side-effects.
7603 2006-04-17 Richard Guenther <rguenther@suse.de>
7606 * reload.c (push_reload): Guard calls to get_secondary_mem
7609 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7611 * alias.c (reg_base_value, old_reg_base_value): Change the
7612 type to VEC(rtx,gc) *.
7613 (REG_BASE_VALUE, find_base_value, record_set,
7614 init_alias_analysis): Use VEC instead of VARRAY.
7616 * alias.c (alias_sets): Change the type to
7617 VEC(alias_set_entry,gc) *.
7618 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7619 VEC instead of VARRAY.
7620 (last_alias_set): Remove.
7622 * cgraph.h (cgraph_edge_p): New.
7623 Update the prototype of cgraph_function_versioning.
7624 * cgraphunit.c (cgraph_copy_node_for_versioning,
7625 cgraph_function_versioning): Use VEC instead of VARRAY.
7626 * ipa-cp.c (ipcp_insert_stage): Likewise.
7628 2006-04-16 Roger Sayle <roger@eyesopen.com>
7631 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7632 "A op B" or "A op C", we may need to convert A to the type of B and C.
7634 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7636 * target.h (struct gcc_target): Add mode_rep_extended.
7637 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7638 (init_num_sign_bit_copies_in_rep): Initialize it using
7640 (truncate_to_mode): Use it.
7641 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7642 * targhooks.h (default_mode_rep_extended): Declare it.
7643 * targhooks.c (default_mode_rep_extended): Define it.
7644 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7645 default_mode_rep_extended.
7646 (TARGET_INITIALIZER): Include it.
7647 * doc/tm.texi (Misc): Document it.
7648 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7649 (mips_truncated_to_mode): New function.
7651 2006-04-16 Roger Sayle <roger@eyesopen.com>
7654 * expr.c (compress_float_constant): Copy the narrow constant into
7655 a new pseudo before extending it to its final width.
7657 2006-04-16 Roger Sayle <roger@eyesopen.com>
7658 Andrew Pinski <pinskia@gcc.gnu.org>
7659 Dale Johannesen <dalej@apple.com>
7662 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7663 special case code to implement V8HImode and V16QImode with SSE2.
7665 2006-04-15 Roger Sayle <roger@eyesopen.com>
7667 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7668 trees are constructed with a suitable tree type.
7670 2006-04-15 Roger Sayle <roger@eyesopen.com>
7672 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7673 (integer_onep): Likewise.
7674 (integer_all_onesp): Likewise.
7675 (integer_pow2p): Likewise.
7676 (integer_nonzerop): Likewise.
7677 (real_zerop): Likewise.
7678 (real_onep): Likewise.
7679 (real_twop): Likewise.
7680 (real_minus_onep): Likewise.
7681 (int_size_in_bytes): Likewise.
7682 (host_integerp): Likewise.
7684 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7686 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7687 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7688 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7690 * tree-ssa-structalias.h (alias_info): Remove num_references.
7692 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7694 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7695 (output_bvb patterns): Likewise.
7696 * pa.c (output_bb): Use 'bb' insn for long branch case.
7697 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7698 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7699 1. Correct length operand for alternatives 1 and 2.
7700 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7701 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7703 2006-04-14 Roger Sayle <roger@eyesopen.com>
7705 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7706 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7707 were accidentally reverted by r112959.
7709 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7712 * except.h (eh_region_outermost): New prototype.
7713 * except.c (eh_region_outermost): New function.
7714 * tree-cfg.c (find_outermost_region_in_block): Use it.
7716 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7718 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7720 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7721 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7722 (init_reload, reload): Use VEC instead of VARRAY.
7723 * reload.h: Update the prototype for
7724 reg_equiv_memory_loc_varray.
7726 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7727 Eric Botcazou <ebotcazou@libertysurf.fr>
7729 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7732 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7735 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7736 to expand fallback builtin function call.
7738 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7741 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7742 and emit libcall here in case the builtin fails.
7743 (expand_builtin_strcmp): Always emit the libcall here on failure.
7745 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7747 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7748 * flow.c (reg_n_info): Change the type to
7749 VEC(reg_info_p,heap) *.
7750 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7752 * regs.h (reg_info_p): New.
7753 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7754 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7755 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7758 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7760 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7762 * params.h (MAX_SCHED_READY_INSNS): New macro.
7763 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7764 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7765 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7766 the ready list for 1 cycle during the first scheduling pass.
7767 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7769 2006-04-13 Richard Henderson <rth@redhat.com>
7772 * gimple-low.c (lower_omp_directive): Remove dead code.
7773 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7774 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7775 * omp-low.c (struct omp_region): Move to tree-flow.h.
7776 (root_omp_region): Export.
7777 (omp_regions, lookup_omp_region): Remove.
7778 (determine_parallel_type): Update for struct omp_region changes.
7779 (dump_omp_region): Dump regions with block numbers.
7780 (new_omp_region): Take type and block instead of stmt; malloc
7782 (free_omp_region_1, free_omp_regions): New.
7783 (expand_parallel_call): Take entry_stmt as argument; update for
7784 changes to omp_region.
7785 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7786 (remove_exit_barriers): New.
7787 (expand_omp_parallel): Update for struct omp_region changes.
7788 (expand_omp_synch): Likewise.
7789 (expand_omp): Likewise.
7790 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7791 (expand_omp_for_static_chunk): Likewise.
7792 (expand_omp_for): Likewise.
7793 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7794 (expand_omp_sections): Similarly, with GOMP_sections_end.
7795 (expand_omp_single): New.
7796 (build_omp_regions_1): Update for OMP_CONTINUE.
7797 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7798 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7799 OMP_SECTIONS_SECTIONS.
7800 (lower_omp_single_simple): Don't emit barrier here.
7801 (lower_omp_single_copy): Likewise.
7802 (lower_omp_single): Fix bindings, and lower to straightline now.
7803 (lower_omp_master, lower_omp_ordered): Likewise.
7804 (lower_omp_critical): Likewise.
7805 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7806 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7807 omp edges, free it afterward.
7808 (make_omp_sections_edges): Remove.
7809 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7810 (move_stmt_r): Handle OMP_CONTINUE.
7811 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7812 statement pointers to basic blocks. Add type member.
7813 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7814 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7815 * tree-inline.c (estimate_num_insns_1): Likewise.
7816 * tree-pretty-print.c (dump_generic_node): Likewise.
7817 * tree-ssa-operands.c (get_expr_operands): Likewise.
7818 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7819 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7820 (OMP_CONTINUE): New.
7821 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7822 (OMP_SECTIONS_SECTIONS): Remove.
7823 (OMP_SECTION_LAST): New.
7824 (OMP_RETURN_NOWAIT): New.
7826 2006-04-13 Roger Sayle <roger@eyesopen.com>
7828 * fold-const.c (native_encode_vector, native_interpret_real):
7829 Correct obvious mistakes in the previous check-in.
7831 2006-04-13 Roger Sayle <roger@eyesopen.com>
7833 * fold-const.c (native_encode_expr): New function to encode
7834 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7835 or VECTOR_CST into a specified buffer.
7836 (native_encode_int): New function.
7837 (native_encode_real): New function.
7838 (native_encode_complex): New function.
7839 (native_encode_vector): New function.
7840 (native_interpret_expr): Inverse of native_encode_expr to convert
7841 a target representation into an INTEGER_CST, REAL_CST etc...
7842 (native_interpret_int): New function.
7843 (native_interpret_real): New function.
7844 (native_interpret_complex): New function.
7845 (native_interpret_vector): New function.
7846 (fold_view_convert_expr): New function to constant fold/evaluate
7847 a VIEW_CONVERT_EXPR of a suitable constant expression.
7848 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7849 Change call of build1 to fold_build1 when constructing a
7852 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7853 Ulrich Weigand <uweigand@de.ibm.com>
7856 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7859 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7862 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7863 optimize to lo_sum for DFmode if !TARGET_FPRS.
7865 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7867 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7868 delete_alias_info, compute_flow_sensitive_aliasing,
7869 group_aliases): Use VEC instead of VARRAY.
7870 * tree-ssa-structalias.c (update_alias_info): Likewise.
7871 * tree-ssa-structalias.h (alias_info): Change the type of
7872 processed_ptrs to VEC(tree,heap) *.
7874 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7877 * config/sh/lib1funcs.h: New file, broken out of:
7878 * config/sh/lib1funcs.asm.
7879 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7881 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7882 * config/sh/lib1funcs-Os-4-200.asm: New file.
7883 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7884 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7885 (EXTRA_MULTILIB_PARTS): Include it.
7886 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7887 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7888 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7889 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7892 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7894 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7895 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7896 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7898 * tree-ssa-live.h: Include vecprim.h.
7899 (tree_partition_associator_d): Change the type of
7900 first_partition to VEC(int,heap) *.
7901 (tpa_first_partition): Use VEC instead of VARRAY.
7903 * Makefile.in (GTFILES): Move functions.h after tree.h.
7904 * function.c (reset_block_changes, record_block_change,
7905 check_block_change, free_block_changes): Use VEC instead of
7907 * function.h (function): Change the type of
7908 ib_boundaries_block to VEC(tree,gc) *.
7909 * tree-inline.c (copy_cfg_body): Initialize
7910 ib_boundaries_block to NULL instead of (varray_type) 0.
7912 2006-04-12 Roger Sayle <roger@eyesopen.com>
7914 * expr.c (emit_group_store): Correct operand order in call to
7915 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7916 a SUBREG_BYTE of zero.
7918 2006-04-12 Richard Guenther <rguenther@suse.de>
7920 * profile.c (compute_branch_probabilities): Remove code
7921 encapsulated in !ir_type (), which are remanents of the
7922 removed RTL profiling code.
7923 * rtl-profile.c: Remove.
7925 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7927 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7928 magic NULL_RTX comment.
7929 (function_arg): Store entire fp arg to mem if any part should go
7931 (rs6000_arg_partial_bytes): Adjust for above change.
7933 2006-04-11 Roger Sayle <roger@eyesopen.com>
7935 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7936 if it hasn't been initialized by dwarf2out_init.
7938 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7940 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7941 symbolic constants in branch patterns.
7943 2006-04-11 Roger Sayle <roger@eyesopen.com>
7945 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7947 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7949 PR rtl-optimization/27073
7950 * gcse.c (try_replace_reg): Revert last change. Continue to search
7951 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7954 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7956 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7957 aggregate types other than record and union types.
7958 (function_arg): Likewise.
7959 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7961 (function_value): In 64-bit mode, return objects that require it
7964 2006-04-11 Roger Sayle <roger@eyesopen.com>
7966 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7968 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7970 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7972 2006-04-03 Jeff Law <law@redhat.com>
7975 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7976 alias information too.
7978 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7980 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7982 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7985 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7986 (premark_used_types_helper): New.
7987 (premark_used_types): New.
7988 (gen_subprogram_die): Call premark_used_types.
7989 (prune_unused_types_walk): Do not prune perennial dies.
7990 * function.c (used_types_insert): New.
7991 * function.h (struct function): Add used_types_hash field.
7992 (used_types_insert): Add prototype.
7993 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7994 * c-parser.c (c_parser_cast_expression): Save casted types in used
7997 2006-04-11 Mark Mitchell <mark@codesourcery.com>
8000 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
8001 rs6000_explicit_options.float_gprs.
8003 2006-04-10 Roger Sayle <roger@eyesopen.com>
8005 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
8006 from ix86_expand_vector_init_low_nonzero. Take an additional
8007 one_var argument indicating which element is non-zero. Support
8008 one_var != 0 for V4SFmode and V4SImode by permuting the result.
8009 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
8010 with one_var instead of ix86_expand_vector_init_low_nonzero.
8012 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
8014 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
8015 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
8016 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
8017 build/genextract.o): Depend on vecprim.h.
8018 * cfglayout.c, df-problems.c, function.c, genextract.c,
8019 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
8020 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
8024 2006-04-10 Geoffrey Keating <geoffk@apple.com>
8026 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
8027 Declare VECs of this type.
8028 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
8029 (remove_children): Delete.
8030 (add_dwarf_attr): Use VEC routines.
8031 (add_AT_flag): Update for changes to add_dwarf_attr.
8032 (add_AT_int): Likewise.
8033 (add_AT_unsigned): Likewise.
8034 (add_AT_long_long): Likewise.
8035 (add_AT_vec): Likewise.
8036 (add_AT_string): Likewise.
8037 (add_AT_die_ref): Likewise.
8038 (add_AT_fde_ref): Likewise.
8039 (add_AT_loc): Likewise.
8040 (add_AT_loc_list): Likewise.
8041 (add_AT_addr): Likewise.
8042 (add_AT_lbl_id): Likewise.
8043 (add_AT_lineptr): Likewise.
8044 (add_AT_macptr): Likewise.
8045 (add_AT_offset): Likewise.
8046 (add_AT_range_list): Likewise.
8047 (get_AT): Use VEC_iterate.
8048 (remove_AT): Use VEC_ordered_remove.
8049 (free_die): Fold remove_children into here; have it use VEC_iterate.
8050 (print_die): Use VEC_iterate on attrs.
8051 (reverse_die_lists): Don't reverse attr lists.
8052 (die_checksum): Use VEC_iterate on attrs.
8053 (same_die_p): Likewise.
8054 (output_location_lists): Likewise.
8055 (build_abbrev_table): Likewise.
8056 (size_of_die): Likewise.
8057 (unmark_all_dies): Likewise.
8058 (output_abbrev_section): Likewise.
8059 (output_die): Likewise.
8060 (prune_unused_types_walk_attribs): Likewise.
8062 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
8064 * doc/install.texi (*-*-solaris2*): Point to the configure page.
8066 2006-04-10 Jakub Jelinek <jakub@redhat.com>
8069 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
8071 2006-04-09 Roger Sayle <roger@eyesopen.com>
8073 * expr.c (store_constructor): Don't bother clearing target if
8074 we're about to assign a vector to it using vec_init_optab.
8076 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
8078 * tree-ssa-alias.c (lhs_may_store_to): New function.
8079 (recalculate_used_alone): Handle LHS of calls.
8081 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8085 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
8086 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
8087 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
8088 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
8089 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
8090 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
8091 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
8092 stubs. Add ".align 8" directives before all ".dword" directives.
8093 (GTHREAD_USE_WEAK): Revise comment.
8094 (TARGET_ATTRIBUTE_WEAK): Define.
8095 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
8096 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
8097 * stublib.c: New file.
8102 * pa.md (cbranch patterns): Revise arguments used in calls to
8103 output_cbranch, output_bb and output_bvd. Add long branch length
8105 (fbranch patterns): Handle long branches.
8106 (jump): Revise length check. Revise arguments for output_lbranch call.
8107 Add long branch length attributes.
8108 (decrement_and_branch_until_zero): Add long branch length attributes.
8109 (output_movb, output_parallel_addb and output_parallel_movb patterns):
8110 Likewise. Revise arguments for output_parallel_addb and
8111 output_parallel_movb calls.
8112 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
8113 output_parallel_movb and output_parallel_addb): Update prototypes.
8114 * pa.c (output_cbranch): Revise arguments. Correct handling of
8115 nullification in long branches.
8116 (output_lbranch): Add new argument to control extraction of delay
8118 (output_bb): Handle long branches.
8119 (output_bvb, output_dbra, output_movb, output_parallel_movb,
8120 output_parallel_addb): Likewise.
8122 2006-04-09 Richard Sandiford <richard@codesourcery.com>
8124 PR rtl-optimization/27073
8125 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
8128 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
8130 * tree.h (tree_memory_tag): Add old_used_alone.
8131 (SMT_OLD_USED_ALONE): New macro.
8132 * tree-ssa-alias.c (recalculate_used_alone): Stop
8133 marking things for renaming unnecessarily.
8135 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
8137 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
8138 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
8139 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
8140 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
8141 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
8142 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
8143 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
8144 spelling convensions.
8145 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
8146 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
8147 typos. Follow spelling conventions.
8149 2006-04-07 DJ Delorie <dj@redhat.com>
8151 * config/m32c/m32c.c (m32c_function_arg): Structures are always
8152 passed on the stack.
8153 (m32c_init_cumulative_args): When a function returns a structure,
8154 always pass the pointer to that return area on the stack.
8155 (m32c_function_arg_advance): Don't increment the parameter number
8156 if we're processing the returned structure pointer.
8157 (pushm_info): Reverse order of registers.
8159 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
8161 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
8162 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
8163 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
8164 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
8166 * tree-chrec.c (chrec_fold_multiply_poly_poly,
8167 chrec_fold_multiply): Same.
8168 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
8169 force_expr_to_var_cost): Same.
8170 * tree-mudflap.c (mf_xform_derefs_1): Same.
8171 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
8173 2006-04-07 David Edelsohn <edelsohn@gnu.org>
8175 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
8176 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
8179 2006-04-07 Jan Hubicka <jh@suse.cz>
8181 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
8183 2006-04-07 Richard Guenther <rguenther@suse.de>
8185 PR tree-optimization/26135
8186 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
8187 loads for store copy-prop.
8188 (copy_prop_visit_stmt): Likewise.
8190 2006-04-05 Robert Millan <robertmh@gnu.org>
8192 * config/i386/linux.h: Add a comment to mark macros that are
8193 being overriden in config/k*bsd-gnu.h.
8194 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
8196 * config/knetbsd-gnu.h: Ditto.
8198 2006-04-06 Jan Hubicka <jh@suse.cz>
8202 * coverage.c (coverage_checksum_string): Reorganize loop to not read
8205 2006-04-06 Mike Stump <mrs@apple.com>
8207 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
8208 for HAVE_nonlocal_goto to be consistent.
8209 (expand_builtin_nonlocal_goto): Likewise.
8210 (expand_builtin_strcmp): Use #ifdef instead of #if
8211 for HAVE_cmpstrnsi to be consistent.
8213 2006-04-05 DJ Delorie <dj@redhat.com>
8215 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
8218 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
8220 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
8221 got-relative addressing for anything but SImode.
8223 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
8224 even if the calling function doesn't modify them.
8226 2006-04-05 Richard Guenther <rguenther@suse.de>
8228 PR tree-optimization/26919
8229 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
8230 to cgraph_estimate_size_after_inlining.
8232 2006-04-05 Alan Modra <amodra@bigpond.net.au>
8234 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
8236 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
8238 PR tree-optimization/26996
8239 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
8240 VECTOR_TYPE variables.
8242 2006-04-05 Richard Guenther <rguenther@suse.de>
8244 PR tree-optimization/26763
8245 * fold-const.c (fold_comparison): Move folding of
8246 PTR + CST CMP PTR + CST ...
8247 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
8249 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
8251 * doc/install.texi (Prerequisites): Refine some wording on
8252 bootstrapping and ksh.
8253 Move the version numbers of DejaGnu here from the testing section
8254 and fix casing of names.
8255 Fix markup and clarify wording for autogen requirements.
8256 Refer to GCJ instead of just java.
8257 Refer to SVN instead of CVS.
8258 Describe diffutils as useful instead of necessary.
8259 (Downloading the source): Refer to SVN instead of CVS.
8260 Adjust a link to our web site accordingly.
8261 (Configuration): Fix casing of Bison.
8262 (Building): Refer to SVN instead of CVS.
8263 Fix a sentence on the use of Bison and remove duplicate (and
8264 incorrect) version number of Bison requirement.
8265 Remove one redundant list of packages needed for building.
8266 (Specific): Avoid reference to CVS.
8268 2006-04-04 Eric Christopher <echristo@apple.com>
8270 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
8271 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
8272 (rs6000_handle_struct_attribute): New.
8273 (rs6000_ms_bitfield_layout_p): Ditto.
8275 2006-04-04 Geoffrey Keating <geoffk@apple.com>
8277 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
8278 NULL for dso parameter to atexit_common.
8280 2006-04-04 Eric Christopher <echristo@apple.com>
8282 * config/i386/i386.c (machopic_output_stub): Output \t
8283 between instructions and operands.
8285 2006-04-04 David Edelsohn <edelsohn@gnu.org>
8287 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
8288 satisfies_constraint_[IL] to explicit tests on value.
8290 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
8292 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8293 set_nb_iterations_in_loop): Use build_int_cst instead of
8295 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
8296 build_int_cst instead of convert.
8298 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
8300 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
8301 new value 2 for incoming.
8302 * function.c (expand_function_start): Call struct_value_rtx
8304 * config/sparc/sparc.md: Comment updated_return.
8305 * config/sparc/sparc.opt: Add -mstd-struct-return option.
8306 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
8307 struct return if sparc_std_struct_return and incoming is 2.
8308 (print_operand): Do not adjust return if
8309 sparc_std_struct_return.
8311 2006-04-04 Roger Sayle <roger@eyesopen.com>
8313 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
8314 convert in the middle-end.
8315 * expr.c (store_expr, store_constructor, get_inner_reference,
8316 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
8318 * tree.c (build_range_type): Likewise.
8320 2006-04-04 Tom Tromey <tromey@redhat.com>
8322 * doc/install.texi (Prerequisites): Mention jar.
8324 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
8326 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
8329 2006-04-04 Matthias Klose <doko@debian.org>
8331 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
8335 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
8338 2006-04-03 Geoffrey Keating <geoffk@apple.com>
8340 * doc/extend.texi (Function Attributes): Rewrite visibility
8341 attribute documentation.
8342 * doc/invoke.texi (C++ Dialect Options): Rewrite
8343 -fvisibility-inlines-hidden documentation to describe something
8344 entirely different, although in practise compatible.
8345 (Code Gen Options): Warn about system headers in -fvisibility=
8348 * doc/extend.texi (Other Builtins): Document that
8349 __builtin_nan is a compile-time constant only when its argument
8352 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
8354 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
8355 trying to remove TRUNCATE check if all bits outside the new mode
8356 are identical to the sign bit.
8358 2006-04-03 Jeff Law <law@redhat.com>
8360 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
8361 and operand scanning in some common cases.
8363 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
8364 Dale Johannesen <dalej@apple.com>
8367 * regclass.c (struct reg_pref): Update documentation.
8368 (regclass): Set prefclass to NO_REGS if memory is the best option.
8369 (record_reg_classes): Cope with a prefclass set to NO_REGS.
8370 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
8371 into account. For non-registers, equate an empty preferred
8372 reload class to a `!' in the constraint; move the if clause to
8373 do so after those that reject the insn.
8374 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
8376 (find_dummy_reload): Likewise.
8377 * doc/tm.texi (Register Classes): Document what it means
8378 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
8379 * config/i386/i386.c (ix86_preferred_reload_class): Force
8380 using SSE registers (and return NO_REGS for floating-point
8381 constants) if math is done with SSE.
8382 (ix86_preferred_output_reload_class): New.
8383 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
8384 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
8385 * config/i386/i386.md: Remove # register preferences.
8387 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8390 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
8391 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
8392 the type of nb_iter.
8393 (instantiate_parameters_1): Convert the operands before calling
8394 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
8395 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
8397 2006-04-02 Roger Sayle <roger@eyesopen.com>
8399 * builtins.c (dummy_object): Use build_int_cst instead of convert.
8400 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
8402 * dojump.c (do_jump): Likewise.
8403 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
8404 * gimplify.c (gimple_boolify, gimplify_init_constructor,
8405 gimplify_boolean_expr): Likewise.
8406 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
8407 * varasm.c (array_size_for_constructor): Likewise.
8408 * tree-object-size.c (compute_object_offset): Likewise.
8410 2006-04-02 Roger Sayle <roger@eyesopen.com>
8413 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
8414 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
8416 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8418 PR tree-optimization/26939
8419 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
8421 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8423 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
8424 at_stmt. Convert the type of operands before calling
8425 build_polynomial_chrec.
8426 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
8428 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
8429 (instantiate_parameters_1): Convert the type of operands before calling
8430 build_polynomial_chrec.
8431 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
8432 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
8433 reset_evolution_in_loop): Insert asserts to check the types of the
8435 (chrec_type): Moved...
8436 (eq_evolutions_p): Use operand_equal_p.
8437 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
8438 the types of the operands.
8439 (chrec_type): ...here.
8440 * tree-data-ref.c (create_data_ref): Convert the operands before
8441 calling chrec_replace_initial_condition.
8442 (same_access_functions, analyze_subscript_affine_affine,
8443 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
8444 (compute_subscript_distance, analyze_ziv_subscript,
8445 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
8446 analyze_miv_subscript): Convert the operands before calling
8447 chrec_fold_minus or chrec_fold_plus.
8449 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
8451 * tree-data-ref.c (compute_all_dependences): Use a pointer to
8452 the dependence_relations vector.
8453 (compute_data_dependences_for_loop): Adjust call to
8454 compute_all_dependences.
8456 2006-04-01 Roger Sayle <roger@eyesopen.com>
8457 Richard Henderson <rth@redhat.com>
8459 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
8460 gimple_boolify on the condition before calling gimplify_expr.
8462 2006-03-31 Bob Wilson <bob.wilson@acm.org>
8464 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
8465 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
8466 the frame size. Update to use the new macros.
8467 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
8468 * config/xtensa/ieee754-df.S: Likewise.
8470 2006-03-31 Richard Henderson <rth@redhat.com>
8472 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
8473 (make_edges): ... here. Control fallthru creation with a local
8474 variable. Do not play with fake edges.
8475 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
8476 (make_goto_expr_edges): Don't play with fake edges. Make for_call
8479 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
8481 * dwarf2.h (DW64_CIE_ID): Define.
8482 * dwarf2out.c (DWARF_CIE_ID): Define.
8483 (output_call_frame_info): Output 0xffffffff before standard 8-byte
8484 length header. Use DWARF_CIE_ID.
8485 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
8486 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
8488 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
8490 * config/sh/linux-atomic.asm: New file.
8491 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
8493 2006-03-31 DJ Delorie <dj@redhat.com>
8495 * config/m32c/cond.md: Set condition flags properly throughout.
8496 * config/m32c/minmax.md: Likewise.
8497 * config/m32c/prologue.md: Likewise.
8498 * config/m32c/bitops.md: Likewise.
8499 * config/m32c/muldiv.md: Likewise.
8500 * config/m32c/mov.md: Likewise.
8501 * config/m32c/addsub.md: Likewise.
8502 * config/m32c/m32c.md: Likewise.
8503 * config/m32c/jump.md: Likewise.
8504 * config/m32c/shift.md: Likewise.
8506 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
8507 conditionally output the pattern for this.
8508 * config/m32c/m32c.c (flags_needed_for_conditional): New.
8509 (m32c_compare_redundant): New.
8510 (m32c_output_compare): New.
8511 * config/m32c/m32c-protos.h (m32c_output_compare): New.
8513 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
8514 dest, not src. Allow other 4-byte modes.
8516 2006-03-30 Denis Chertykov <denisc@overta.ru>
8518 * doc/md.texi: Refer to avr/constraints.md instead of
8521 2006-03-30 Roger Sayle <roger@eyesopen.com>
8523 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
8524 signed vs. unsigned comparison failures on some hosts.
8526 2006-03-31 Alan Modra <amodra@bigpond.net.au>
8529 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
8530 change to FLOAT_REGS.
8532 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
8533 (rs6000_override_options): Use it.
8534 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
8535 only for -mabi=spe/no-spe and -mabi=altivec.
8537 2006-03-30 Geoffrey Keating <geoffk@apple.com>
8539 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
8542 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
8544 * Makefile.in: Rename docdir to gcc_docdir.
8546 2006-03-30 Roger Sayle <roger@eyesopen.com>
8549 * expr.c (emit_group_store): Optimize group stores into a pseudo
8550 register by using a paradoxical subreg to initialize the destination
8551 if the first or last member of the group specifies a "low part".
8553 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8556 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
8557 * target.h (struct gcc_target.speculate_insn): Change type of the
8558 second parameter to 'int'.
8559 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
8560 the second operand of the DEPS_LIST.
8561 (copy_DEPS_LIST_list): Update reference to the second operand of the
8563 * rtl.h (alloc_DEPS_LIST): Update signature.
8564 * sched-int.h (ds_t): Change typedef to 'int'.
8565 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8567 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8569 * haifa-sched.c (try_ready): Change condition to restore
8570 non-speculative pattern of the instruction.
8571 (process_insn_depend_be_in_spec): Code to keep probability of the
8572 speculative dependence non-decreasing.
8574 2006-03-30 Jie Zhang <jie.zhang@analog.com>
8576 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
8577 (single_move_for_movmem): ... this. Also change all uses.
8578 (bfin_expand_strmov): Renamed to...
8579 (bfin_expand_movmem): ... this. Also change all uses.
8580 * config/bfin/bfin.md (movstrsi): Renamed to...
8581 (movstrsi): ...this.
8583 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8585 PR tree-optimization/26830
8587 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8588 (copy_prop_visit_stmt): Remove write-only variable ann.
8589 (init_copy_prop): Check variable loop depth here. Do not simulate
8590 memory-tag and virtual operand PHIs except for store copy prop.
8592 2006-03-30 Richard Guenther <rguenther@suse.de>
8594 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8595 variants with double arguments.
8597 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8599 * genpreds.c (write_tm_constrs_h): Delete variable p.
8600 * genconditions.c (write_header): Add tm-constrs.h to included
8602 * genpeep.c (main): Add toplev.h to included headers.
8603 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8604 (build/genpeep.o): Add toplev.h dependency.
8605 * config/rs6000/constraints.md: Add "W" constraint.
8607 2006-03-29 Roger Sayle <roger@eyesopen.com>
8609 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8610 sizes by correctly testing whether the size fits a host integer.
8611 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8612 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8613 SImode range for the default sizetype and bitsizetype.
8615 2006-03-29 Roger Sayle <roger@eyesopen.com>
8617 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8618 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8619 quickly if the argument is already of the correct type.
8620 Call fold_build1 instead of build1. Tidy up blank lines.
8622 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8624 * genemit.c (main): Add tm-constrs.h to included headers.
8625 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8626 * genpeep.c (main): Add tm-constrs.h to included headers.
8627 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8628 (write_tm_constrs_h): this and write complete file.
8629 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8630 (write_insn_preds_c): Add tm-constrs.h to included headers.
8631 (gen_constrs): New variable.
8632 (parse_option): Parse "-c".
8633 (main): Invoke write_tm_constrs_h.
8634 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8635 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8636 (object_out_file): Add tm-constrs.h dependency.
8637 (insn-emit.o): Same.
8638 (insn-output.o): Same.
8639 (insn-peep.o): Same.
8640 (insn-preds.o): Same.
8641 (insn-recog.o): Same.
8642 (tm-constsr.h): New target.
8643 (s-constrs-h): New target.
8645 * config/rs6000/constraints.md: New file.
8646 * config/rs6000/rs6000.c: Include tm-constrs.h.
8647 (num_insn_constant_wide): Convert to satisfies_constraint.
8648 (rs6000_rtx_costs): Convert to satisfies_constraint.
8649 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8650 (CONST_OK_FOR_LETTER_P): Delete.
8651 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8652 (EXTRA_CONSTRAINT): Delete.
8653 (EXTRA_MEMORY_CONSTRAINT): Delete.
8654 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8655 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8656 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8657 satisfies_constraint.
8659 * config/i386/i386.c: Include tm-constrs.h.
8661 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8663 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8664 * tree-data-ref.c (find_data_references_in_loop,
8665 compute_data_dependences_for_loop): Use pointers to VEC.
8666 (analyze_all_data_dependences): Adjust calls.
8667 * tree-data-ref.h (find_data_references_in_loop,
8668 compute_data_dependences_for_loop): Adjust declarations.
8669 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8670 compute_data_dependences_for_loop.
8672 2006-03-29 Paul Brook <paul@codesourcery.com>
8674 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8677 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8679 PR tree-optimization/26859
8680 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8682 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8683 for the step after fold_convert.
8685 2006-03-29 Paul Brook <paul@codesourcery.com>
8687 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8688 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8690 2006-03-29 Paul Brook <paul@codesourcery.com>
8693 * targhooks.c (default_narrow_bitfield): New fuction.
8694 * targhooks.h (default_narrow_bitfield): add prototype.
8695 * target.h (gcc_target): Add narrow_volatile_bitfield.
8696 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8697 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8698 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8699 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8701 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8703 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8705 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8706 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8707 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8708 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8709 (s390_function_arg_float): Allow SDmode and DDmode values to be
8710 passed in floating point registers.
8711 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8712 check with SCALAR_FLOAT_MODE_P.
8713 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8715 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8717 PR tree-optimization/25985
8718 * tree-ssa-loop-niter.c (number_of_iterations_le,
8719 number_of_iterations_ne): Make comments more precise.
8720 (number_of_iterations_cond): Add only_exit argument. Use the
8721 fact that signed variables do not overflow only when only_exit
8723 (loop_only_exit_p): New.
8724 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8725 number_of_iterations_cond.
8727 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8729 PR tree-optimization/26643
8730 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8733 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8735 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8736 (divsi3_i4_int): Likewise.
8738 2006-03-28 Roger Sayle <roger@eyesopen.com>
8740 * expr.c (emit_group_store): Only create a new pseudo reg if the
8741 quantity it needs to hold isn't already a suitable pseudo.
8743 2006-03-28 Jeff Law <law@redhat.com>
8745 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8746 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8748 2006-03-28 Roger Sayle <roger@eyesopen.com>
8750 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8751 the equivalent ~X & Y, and the symmetry related transformations.
8752 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8753 ~X & Y, and symmetry related transforms.
8755 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8757 Revert my 2006-03-27 patches.
8759 2006-03-28 Roger Sayle <roger@eyesopen.com>
8761 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8762 ~(T1)X, when T1 and T2 are integer types of the same precision
8763 and (T2)X isn't an extension.
8765 2006-03-28 Jeff Law <law@redhat.com>
8767 PR tree-optimization/26796
8768 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8769 need EH edge cleanups rather than purging them immediately.
8770 (eliminate_degenerate_phis): Handle queued EH cleanups.
8772 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8774 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8777 2006-03-27 Roger Sayle <roger@eyesopen.com>
8780 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8781 cast BIT_NOT_EXPR operand to the correct type.
8783 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8785 * tree-loop-linear.c: Don't include varray.h.
8786 (gather_interchange_stats, try_interchange_loops,
8787 linear_transform_loops): Use VEC instead of VARRAY.
8788 * lambda-mat.c: Don't include varray.h.
8789 * tree-chrec.c: Same.
8790 * lambda-trans.c: Same.
8791 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8792 VEC instead of VARRAY.
8793 * tree-vectorizer.h: Idem.
8794 * tree-data-ref.c (dump_data_references,
8795 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8796 initialize_data_dependence_relation, finalize_ddr_dependent,
8797 compute_all_dependences, find_data_references_in_loop,
8798 compute_data_dependences_for_loop, analyze_all_data_dependences,
8799 free_dependence_relation, free_dependence_relations,
8800 free_data_refs): Idem.
8801 * tree-data-ref.h (data_reference_p, subscript_p): New.
8802 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8803 VEC instead of VARRAY.
8804 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8805 (find_data_references_in_loop, compute_data_dependences_for_loop,
8806 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8807 dump_data_dependence_relations, free_dependence_relations,
8808 free_data_refs): Adjust declaration.
8809 (lambda_transform_legal_p): Move declaration here...
8810 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8811 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8812 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8813 vect_analyze_data_refs): Use VEC instead of VARRAY.
8814 * lambda.h (lambda_transform_legal_p): ...from here.
8815 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8816 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8817 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8818 tree-chrec.o): Don't depend on VARRAY_H.
8820 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8822 * rtl.def (Copyright): Update date.
8823 (DEPS_LIST): Change type of the second operand to 'int'.
8824 * target.h (Copyright): Update date.
8825 (struct gcc_target.speculate_insn): Change type of the second parameter
8827 * lists.c (Copyright): Update date.
8828 (alloc_DEPS_LIST): Change signature. Update reference to the second
8829 operand of the DEPS_LIST.
8830 (copy_DEPS_LIST_list): Update reference to the second operand of the
8832 * rtl.h (Copyright): Update date.
8833 (alloc_DEPS_LIST): Update signature.
8834 * sched-int.h (Copyright): Update date.
8835 (ds_t): Change typedef to 'int'.
8836 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8838 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8840 * haifa-sched.c (Copyright): Update date.
8841 (try_ready): Change condition to restore non-speculative pattern
8843 (process_insn_depend_be_in_spec): Code to keep probability of the
8844 speculative dependence non-decreasing.
8846 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8848 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8849 shut up the compiler.
8851 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8853 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8854 to use lib prefix for target.
8855 ($(T)libic_invalidate_array_4-200.a): Likewise.
8856 ($(T)libic_invalidate_array_4a.a): Likewise.
8858 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8859 J"orn Rennecke <joern.rennecke@st.com>
8861 * superh.opt: New file.
8862 * sh.c (boardtype, osruntime): Remove.
8863 * superh.h (SUBTARGET_OPTIONS): Remove.
8864 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8866 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8867 arguments with ^ and/or [].
8869 * config.gcc (sh-*-*): Add quoting to account for quirk of
8871 Replace == with = in enable_incomplete_targets test.
8873 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8874 with MASK_LITTLE_ENDIAN.
8876 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8877 * config/sh/sh.opt: Added to some comments.
8878 * config/sh/superh.h: Removed some chaff.
8880 * config/sh/sh.opt: Add m4-[1234]00* options.
8881 * config/sh/sh.c (sh_handle_option): Likewise.
8882 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8883 (ic_invalidate_array_4-100.o): New rule.
8884 ($(T)libic_invalidate_array_4-100.a): Likewise.
8885 (ic_invalidate_array_4-200.o): Likewise.
8886 ($(T)libic_invalidate_array_4-200.a): Likewise.
8887 (ic_invalidate_array_4a.o): Likewise.
8888 ($(T)libic_invalidate_array_4a.a): Likewise.
8889 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8890 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8892 * config/sh/crt1.asm: Merged in profiling code.
8893 * config/sh/superh.h (STARTFILE_SPEC): Override.
8894 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8895 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8896 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8898 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8899 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8900 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8902 * sh.opt (mpretend-cmove): New option.
8903 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8904 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8905 (movsicc): Add TARGET_PRETEND_CMOVE code.
8907 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8909 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8910 s390_class_max_nregs): New function prototypes.
8911 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8912 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8913 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8914 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8916 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8918 * dwarf2out.c (add_location_or_const_value_attribute): Call
8919 tree_add_const_value_attribute if nothing else works.
8920 (reference_to_unused): New.
8921 (rtl_for_decl_init): Use reference_to_unused to decide whether
8922 to output an initializer.
8924 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8927 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8928 peephole removing spe frob_di_df_2.
8930 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8932 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8933 (subscript_dependence_tester_1): Declared.
8934 (print_dir_vectors, print_dist_vectors): New.
8935 (debug_data_dependence_relation): New.
8936 (dump_data_dependence_relation): Print more details.
8937 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8938 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8939 (save_dist_v, save_dir_v, add_outer_distances,
8940 build_classic_dist_vector_1): New.
8941 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8942 Don't test for lambda_vector_lexico_pos.
8943 (same_access_functions, add_multivariate_self_dist,
8944 add_other_self_distances, dir_from_dist): New.
8945 (build_classic_dir_vector): Replace implementation almost identical to
8946 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8948 (subscript_dependence_tester_1): New.
8949 (subscript_dependence_tester): Handle the lexicographically negative
8950 distance vectors by recomputing the dependence relation.
8951 (compute_affine_dependence): Remove parameter loop_nest_depth.
8952 (compute_self_dependence): Don't call compute_subscript_distance.
8953 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8954 Add a parameter for the loop_nest.
8955 (find_loop_nest_1, find_loop_nest): New.
8956 (compute_data_dependences_for_loop): Compute the loop nest, and give
8957 up if the nest is not well formed.
8958 * tree-data-ref.h (loop_p): New.
8959 (struct data_dependence_relation): Replace size_vect field with
8960 loop_nest, a vec of loops.
8961 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8962 (DDR_LOOP_NEST): New.
8963 (print_dir_vectors, print_dist_vectors,
8964 debug_data_dependence_relation): Declared.
8965 (index_in_loop_nest): New.
8966 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8967 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8970 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8972 * simplify-rtx.c (simplify_relational_operation): Call
8973 simplify_relational_operation_1 even if mode is VOIDmode.
8975 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8977 PR tree-optimization/26804
8978 * tree.h (DECL_CALL_CLOBBERED): New macro.
8979 (tree_decl_common): Add call_clobbered_flag.
8980 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8981 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8982 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8983 (mark_non_addressable): Ditto.
8984 * tree-ssa.c (verify_call_clobbered): New function.
8985 (verify_alias_info): Use it.
8986 * tree-pass.h (pass_reset_cc_flags): New prototype.
8987 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8988 (reset_cc_flags): New function.
8989 * passes.c (init_optimization_passes): Call reset_cc_flags after
8990 initializing referenced_vars.
8992 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8993 Roger Sayle <roger@eyesopen.com>
8996 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8997 to 1.0 for non-real operands. Implement A / A optimization for
9000 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
9002 * config/i386/i386.c (size_cost): Correct the comment for
9003 cost of storing fp registers.
9004 (i386_cost): Likewise.
9005 (i486_cost): Likewise.
9006 (pentium_cost): Likewise.
9007 (pentiumpro_cost): Likewise.
9008 (k6_cost): Likewise.
9009 (athlon_cost): Likewise.
9010 (k8_cost): Likewise.
9011 (pentium4_cost): Likewise.
9012 (nocona_cost): Likewise.
9013 (generic64_cost): Likewise.
9014 (generic32_cost): Likewise.
9016 2006-03-24 Denis Chertykov <denisc@overta.ru>
9018 * config/avr/avr-protos.h (extra_constraint): Delete.
9019 (extra_constraint_Q): New declaration.
9020 * config/avr/constraints.md: New file.
9021 * config/avr/avr.md: Include it.
9022 (REG_X, REG_Y, REG_Z, REG_W): New constants.
9023 (TMP_REGNO, ZERO_REGNO): Likewise.
9024 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
9025 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
9026 (extra_constraint): Delete.
9027 (extra_constraint_Q): Test for memory constraint 'Q'.
9028 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
9029 (REG_CLASS_FROM_LETTER): Delete.
9030 (CONST_OK_FOR_LETTER_P): Delete.
9031 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9032 (EXTRA_CONSTRAINT): Delete.
9033 (TMP_REGNO): Delete.
9034 (ZERO_REGNO): Delete.
9036 2006-03-24 Jeff Law <law@redhat.com>
9038 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
9039 directly. Call mark_new_vars_to_rename slightly earlier.
9041 2006-03-24 Geoffrey Keating <geoffk@apple.com>
9043 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
9045 (gen_compile_unit_die): Use new language types for Objective-C and
9047 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
9048 DW_LANG_C_plus_plus.
9051 * config/t-darwin (crt3.o): Work around bug 26840.
9052 * config/darwin-crt3.c: Rewrite.
9053 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
9055 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
9057 * doc/invoke.texi: Document -femit-class-debug-always
9058 * common.opt: Add -femit-class-debug-always.
9060 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
9062 * config/s390/s390.c (s390_decompose_address): Allow SImode for
9063 index and base register.
9064 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
9065 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
9066 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
9067 REGNO_OK_FOR_INDEX_P.
9068 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
9070 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
9071 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
9072 REG_OK_FOR_BASE_P): Definitions removed.
9074 2006-03-24 Jakub Jelinek <jakub@redhat.com>
9077 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
9078 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
9079 set yet or weren't marked as local yet.
9081 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
9083 * regrename.c (scan_rtx_address): Initialize a variable to shut up
9086 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
9088 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
9089 (rs6000_legitimate_small_data_p): Delete.
9090 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
9091 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
9092 and make static. Add forward declaration. Update uses.
9093 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
9094 of offsettable_memref_p.
9095 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
9096 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
9098 2006-03-24 Jeff Law <law@redhat.com>
9100 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
9101 around bug in immediate-use iterator.
9103 2006-03-24 Alan Modra <amodra@bigpond.net.au>
9106 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
9107 or __LITTLE_ENDIAN__.
9109 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
9111 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
9112 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
9113 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
9114 * config/sh/sh.opt (mdiv=): Amend description.
9115 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
9116 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
9117 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
9118 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
9119 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
9120 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
9121 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
9122 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
9123 TARGET_DIVIDE_CALL_FP.
9125 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9127 * haifa-sched.c (choose_ready): Fix type of the local variable.
9128 Move local variables. Add comment.
9129 (check_reg_live): Change signature. Make callable from debugger.
9130 * sched-int.h (check_reg_live): Update signature.
9131 * sched-ebb.c (check_reg_live): Update parameters.
9132 * sched-rgn.c (check_reg_live): Ditto.
9133 (region_head_or_leaf_p): Check pointer before dereferencing.
9134 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
9135 before reload on optimization levels below 1.
9137 2006-03-23 Richard Henderson <rth@redhat.com>
9139 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
9143 * config/alpha/predicates.md (local_symbolic_operand): Reject
9146 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
9149 * tree-ssa-pre.c (create_value_expr_from): Don't reject
9150 expressions which have overflowed constants.
9152 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9154 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
9156 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
9158 * cfgloopmanip.c (create_loop_notes): Removed.
9159 * final.c (final_scan_insn): Do not handle loop notes.
9160 * jump.c (squeeze_notes): Ditto.
9161 * cfglayout.c (skip_insns_after_block,
9162 duplicate_insn_chain): Ditto.
9163 * cfgcleanup.c (rest_of_handle_jump2): Do not call
9165 * cfgloop.h (create_loop_notes): Declaration removed.
9167 2006-03-23 Richard Sandiford <richard@codesourcery.com>
9169 * varasm.c (output_constant_pool): Restore fnname and fndecl
9171 (assemble_start_function): Adjust call accordingly.
9172 (assemble_end_function): Likewise.
9174 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9177 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
9180 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
9182 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9185 * system.h (ICE_EXIT_CODE): New macro.
9186 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
9187 (diagnostic_action_after_output): Likewise.
9188 * gcc.c (fatal_ice): New function.
9189 (execute): Use it instead of fatal.
9190 (fancy_abort): Likewise.
9191 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
9193 2006-03-22 Jeff Law <law@redhat.com>
9195 * loop-unroll.c (analyze_iv_to_split_insn): Handle
9196 iv_analyze_result returning false.
9198 2006-03-22 Jie Zhang <jie.zhang@analog.com>
9200 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
9202 2006-03-22 Richard Henderson <rth@redhat.com>
9205 * except.c (duplicate_eh_regions_0): New.
9206 (duplicate_eh_region_1): Duplicate the children of the node as
9207 well as the node itself. Link them up properly.
9208 (duplicate_eh_region_2): Merge into ...
9209 (duplicate_eh_regions): ... here. Take copy_region argument, and
9210 copy only a sub-tree if asked. Simplify copying and fixup.
9211 (eh_region_outer_p): New.
9212 * except.h (duplicate_eh_regions): Update decl.
9213 (eh_region_outer_p): Declare.
9214 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
9215 (lower_omp_master): Likewise.
9216 (lower_omp_ordered): Likewise.
9217 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
9218 (move_stmt_r): Use it to remap labels. Handle recursion vs
9219 remap_decls_p properly.
9220 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
9221 (find_outermost_region_in_block): New.
9222 (new_label_mapper): New.
9223 (move_sese_region_to_fn): Copy eh information to the new function
9225 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
9227 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
9230 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9232 * doc/md.texi (-mshared): Mention that -mshared code can be linked
9233 into shared libraries.
9235 2006-03-22 Richard Sandiford <richard@codesourcery.com>
9237 * doc/md.texi: Refer to i386/constraints.md instead of
9239 * config/i386/constraints.md: New file, extracted from...
9240 * config/i386/predicates.md: ...here.
9241 * config/i386/i386.md: Include constraints.md.
9243 2006-03-21 Jason Merrill <jason@redhat.com>
9245 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
9248 * expr.c (init_block_move_fn): Force default visibility.
9249 (init_block_clear_fn): Likewise.
9250 * builtins.c (expand_builtin_fork_or_exec): Likewise.
9251 * targhooks.c (default_external_stack_protect_fail): Likewise.
9253 2006-03-21 Richard Sandiford <richard@codesourcery.com>
9255 * config/mips/predicates.md (const_call_insn_operand): Allow direct
9256 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
9257 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
9258 Use TARGET_OLDABI instead of !TARGET_NEWABI.
9259 (loadgp): Use mips_current_loadgp_style.
9260 (loadgp_noshared): New pattern.
9261 (sibcall_internal): Use MIPS_CALL.
9262 (sibcall_value_internal): Likewise.
9263 (sibcall_value_multiple_internal): Likewise.
9264 (call_internal): Likewise.
9265 (call_value_internal): Likewise.
9266 (call_value_multiple_internal): Likewise.
9267 (call_split): Use MIPS_CALL and add an 'S' constraint.
9268 (call_value_split): Likewise.
9269 (call_value_multiple_split): Likewise.
9270 * config/mips/mips.opt (-mabicalls): Tweak docstring.
9271 (-mshared): New option.
9272 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
9273 (mips_current_loadgp_style): Declare.
9274 * config/mips/mips.c (mips_classify_symbol): Avoid using
9275 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
9276 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
9277 TARGET_ABSOLUTE_ABICALLS.
9278 (override_options): Adjust comments. Improve the warning that is
9279 issued when -mabicalls and -G are used together.
9280 (mips_file_start): Remove comment.
9281 (mips_current_loadgp_style): New function.
9282 (mips_gnu_local_gp): New variable.
9283 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
9285 (mips_output_function_prologue): Use mips_current_laodgp_style.
9286 (mips_expand_prologue): Call mips_emit_loadgp before emitting
9287 the cprestore instruction.
9288 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
9289 live for TARGET_ABSOLUTE_ABICALLS.
9290 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
9291 (ASM_SPEC): Pass down -mshared and -mno-shared.
9292 (MIPS_CALL): New macro.
9293 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
9295 * doc/invoke.texi (-mabicalls): Update documentation.
9296 (-mshared): Document.
9298 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9300 * config/ia64/unwind-hpux.c: New file.
9301 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
9303 2006-03-21 Steve Ellcey <sje@cup.hp.com>
9306 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
9308 2006-03-21 Jeff Law <law@redhat.com>
9310 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
9311 type conversions of a VR_VARYING source to a wider type.
9313 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
9315 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
9316 tm_file on Solaris 10 and later.
9317 (sparc64-*-solaris2*): Likewise.
9318 (sparc-*-solaris2*): Likewise.
9319 * config/sol26.h: Rename to config/sol2-6.h.
9320 * config/sol2-10.h: New file.
9322 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
9325 * tree-ssa-pre.c (create_component_ref_by_pieces):
9328 2006-03-21 Jakub Jelinek <jakub@redhat.com>
9331 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
9332 return it immediately.
9334 2006-03-21 Michael Matz <matz@suse.de>
9336 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
9338 (remove_arc, add_arc): Update num_out_arcs member.
9339 (set_out_arc_insns_equiv_num): Returns nothing instead of number
9341 (cache_presence): New function.
9342 (compare_states_for_equiv): New function.
9343 (state_is_differed): Don't take number of outargs, adjust callers.
9344 Use new invariant for speeding up.
9345 (init_equiv_class): Create initial classes based on sorted
9347 (partition_equiv_class): Don't track out_arcs_num.
9348 (evaluate_equiv_classes): Call cache_presence on all states and
9351 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
9353 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
9354 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
9355 (bfin_valid_reg_p): Test for pseudos explicitly and use only
9356 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
9358 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
9359 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
9360 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
9361 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
9362 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
9364 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
9365 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
9366 (REGNO_REG_CLASS): ARGP is in PREGS.
9367 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
9369 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
9370 to deal with those addresses.
9371 * addresses.h: New file.
9372 * caller-save.c: Include "addresses.h".
9373 (init_caller_save): Use new base_reg_class function.
9374 * rtl-factoring.c: Include "addresses.h".
9375 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
9376 * recog.c: Include "addresses.h".
9377 (preprocess_constraints): Use new base_reg_class function.
9378 * regrename.c: Include "addresses.h".
9379 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
9380 functions. Keep track of a new var INDEX_CODE to compute valid
9382 (replace_oldest_value_addr): Likewise.
9383 (replace_oldest_value_mem): Use base_reg_class.
9384 * reload.c: Include "addresses.h".
9385 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
9386 (find_reloads): Use new base_reg_class function.
9387 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
9388 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
9389 all callers and prototype changed.
9390 * reload1.c: Include "addresses.h".
9391 (maybe_fix_stack_asms): Use base_reg_class.
9392 * regclass.c: Include "addresses.h".
9393 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
9394 (init_reg_autoinc): Use new base_reg_class function.
9395 (record_reg_classes): Likewise.
9396 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
9397 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
9398 Use new args to compute necessary class.
9400 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
9401 regrename.o, rtl-factoring.o): Update dependencies.
9402 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
9403 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
9404 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
9405 REG_OK_FOR_INDEX_P): Delete documentation.
9407 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
9409 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
9410 from V7 to V9 for Solaris 7 and above.
9412 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
9414 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
9415 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
9416 argument pointers may not alias any other storage.
9417 * common.opt: Define option -fargument-noalias-anything.
9418 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
9419 alias semantics is specified by flag_argument_noalias > 2.
9421 2006-03-20 Jeff Law <law@redhat.com>
9423 * tree-pass.h (pass_phi_only_copy_prop): Delete.
9424 (pass_phi_only_cprop): Declare.
9425 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
9427 * tree-ssa-dom.c (degenerate_phi_result): New function.
9428 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
9429 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
9430 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
9431 (eliminate_degenerate_phis): Likewise.
9432 (pass_phi_only_cprop): New pass descriptor.
9433 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
9434 support code. Callers updated.
9435 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
9436 (store_copy_prop): Likewise.
9437 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
9439 2006-03-20 Jason Merrill <jason@redhat.com>
9442 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
9443 (push_visibility, pop_visibility): Likewise.
9444 * c-pragma.h: Declare them.
9446 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
9448 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
9450 * config/sh/sh.c (find_regmode_weight): Change the type of the first
9451 parameter and use get_ebb_head_tail.
9452 (sh_md_init_global): Adjust uses of find_regmode_weight.
9454 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
9456 * function.h (struct function) <x_tail_recursion_reentry>:
9457 Rename to x_stack_check_probe_note.
9458 (tail_recursion_reentry): Rename to stack_check_probe_note.
9459 * function.c: Replace tail_recursion_reentry with
9460 stack_check_probe_note everywhere.
9461 (expand_function_start): Only emit a note for
9462 stack_check_probe_note with -fstack-protect.
9463 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
9465 * emit-rtl.c (remove_unnecessary_notes): Remove.
9466 (pass_remove_unnecessary_notes): Remove.
9467 * rtl.h (remove_unnecessary_notes): Remove prototype.
9468 * final.c (final_start_function): Don't call remove_unnecessary_notes.
9469 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
9470 * passes.c (pass_remove_unnecessary_notes): Don't run it.
9472 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
9475 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
9476 (valid_in_set): Handle ARRAY_REF.
9477 Change "if min_variant or VH" to asserts.
9478 (create_component_ref_by_pieces): Handle ARRAY_REF.
9479 (create_expression_by_pieces): Likewise.
9480 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
9482 2006-03-20 David Edelsohn <edelsohn@gnu.org>
9484 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
9485 is operand of switch, not str[0].
9487 2006-03-20 Alan Modra <amodra@bigpond.net.au>
9489 * config/rs6000/rs6000.c (rs6000_handle_option): Use
9490 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
9492 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9494 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
9495 end of insn_extra_address_constraint declaration.
9497 2006-03-19 David Edelsohn <edelsohn@gnu.org>
9499 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
9500 (no-sum-in-toc): Same.
9501 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
9503 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
9504 NO_FP_IN_TOC for -fPIC instead of mask.
9506 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
9507 (BOOT_LDFLAGS): Delete.
9509 * config/rs6000/t-aix52: Same.
9511 * config/rs6000/rs6000.md (store_multiple_power): Delete.
9512 (stmsi[345678]_power): New.
9514 2006-03-17 Steve Ellcey <sje@cup.hp.com>
9516 * config/ia64/ia64.opt: Add empty line to end of file.
9518 2006-03-17 Richard Guenther <rguenther@suse.de>
9521 * builtins.c (get_pointer_alignment): For component style references
9522 adjust alignment to the component type alignment. Make sure
9523 to adjust alignment for component access of constants.
9525 2006-03-17 David Edelsohn <edelsohn@gnu.org>
9527 * config/rs6000/rs6000.md (strlensi): Emit barrier after
9530 2006-03-17 Paul Brook <paul@codesourcery.com>
9532 * doc/install.texi: Docuemnt --with-mode.
9533 * config.gcc: Add --with-mode for arm*-*-*.
9534 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
9536 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
9538 * sh.c (max_labelno_before_reorg): New variable.
9539 (sh_reorg): Initialize it.
9540 (find_barrier): Check max_labelno_before_reorg before using
9541 label_to_alignment. Take length of explicit alignment insns
9542 into account. When seeing a UNSPECV_CONST_END, return it.
9544 * sh.c (fixup_mova): Set mode of affected label to QImode.
9545 (untangle_mova): New function.
9546 (find_barrier): Use it. Check mode of label before decrementing
9548 (sh_reorg): Likewise.
9549 Set mode of all insns back to VOIDmode.
9551 * sh.c (MOVA_LABELREF): New macro.
9552 (mova_p, fixup_mova, sh_reorg): Use it.
9553 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
9554 ADDR_DIFF_VEC matches mova.
9556 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
9558 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
9559 with ATTRIBUTE_UNUSED.
9561 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
9563 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
9564 pointer, instead of assuming it is possible to derive the
9565 correct args size from a call insn.
9567 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9569 * rtl.h (CONST_INT_P): Define.
9570 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
9571 instead of GET_CODE(x) == CONST_INT.
9572 (vax_rtx_costs): Likewise.
9573 (vax_output_int_move): Likewise.
9574 (vax_output_int_add): Likewise.
9575 (legitimate_constant_address_p): Likewise.
9576 (index_term_p): Likewise.
9577 * config/vax/vax.h (PRINT_OPERAND): Likewise.
9578 * config/vax/vax.md (and<mode>3): Likewise.
9579 (ashrsi3): Likewise.
9581 (movstricthi): Likewise.
9582 (movstrictqi): Likewise.
9583 (rotrsi3): Likewise.
9584 (five unnamed insns): Likewise.
9586 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9588 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9589 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9590 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9591 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9592 Pass to ASM_OUTPUT_DWARF_OFFSET.
9593 * dwarf2out.c (debug_frame_section): New.
9594 (output_call_frame_info): Use debug_frame_section. Pass it to
9595 dw2_asm_output_offset.
9596 (output_die): Pass appropriate section to dw2_asm_output_offset.
9597 (output_compilation_unit_header): Likewise.
9598 (output_pubnames): Likewise.
9599 (output_aranges): Likewise.
9600 (enum dw_val_class): Break dw_val_class_lbl_offset into
9601 dw_val_class_lineptr and dw_val_class_macptr.
9602 (add_AT_lbl_offset): Delete.
9603 (add_AT_lineptr): New.
9604 (add_AT_macptr): New.
9605 (AT_lbl): Expect a lineptr or macptr.
9606 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9607 (attr_checksum): Likewise.
9608 (same_dw_val_p): Likewise.
9609 (size_of_die): Likewise.
9610 (value_format): Likewise.
9611 (output_die): Likewise.
9612 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9614 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9615 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9616 * config/darwin-protos.h (darwin_file_start): New.
9617 (darwin_asm_output_dwarf_offset): New.
9618 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9619 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9621 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9622 if not EH section; simplify.
9623 (darwin_file_start): New.
9624 (darwin_asm_output_dwarf_offset): New.
9625 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9627 (DEBUG_INFO_SECTION): Likewise.
9628 (DEBUG_ABBREV_SECTION): Likewise.
9629 (DEBUG_ARANGES_SECTION): Likewise.
9630 (DEBUG_MACINFO_SECTION): Likewise.
9631 (DEBUG_LINE_SECTION): Likewise.
9632 (DEBUG_LOC_SECTION): Likewise.
9633 (DEBUG_PUBNAMES_SECTION): Likewise.
9634 (DEBUG_STR_SECTION): Likewise.
9635 (DEBUG_RANGES_SECTION): Likewise.
9636 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9637 (ASM_OUTPUT_DWARF_OFFSET): New.
9639 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9641 * config.gcc (tm_defines): Always add to previous value rather
9644 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9646 * config/mips/predicates.md (splittable_const_int_operand): New,
9647 split from move_operand.
9648 (splittable_symbolic_operand): New.
9649 (move_operand): Add commentary. Use splittable_const_int_operand.
9650 Inline mips_atomic_symbolic_constant_p.
9651 * config/mips/mips.md: Add combine splitters for handling moves
9652 of splittable_const_int_operands and splittable_symbolic_operands.
9653 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9654 (mips_split_symbol): Declare.
9655 (mips_move_integer): Declare.
9656 * config/mips/mips.c (mips_split_p): Make global.
9657 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9658 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9659 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9660 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9661 (mips_offset_within_object_p): Handle block symbols.
9662 (mips_atomic_symbolic_constant_p): Delete.
9663 (mips_cannot_force_const_mem): Return false for constants that
9664 mips_legitimize_move can handle.
9665 (mips_use_blocks_for_constant_p): New function.
9666 (mips_split_symbol): Make global.
9667 (mips_move_integer): Likewise. Add a temporary register argument.
9668 (mips_legitimize_const_move): Use splittable_const_int_operand and
9669 splittable_symbolic_operand.
9670 (mips_use_anchors_for_symbol_p): New function.
9671 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9672 (mips_split_p): Declare.
9674 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9676 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9677 (mips*-*-linux*): Likewise.
9679 2006-03-16 Roger Sayle <roger@eyesopen.com>
9680 Daniel Speyer <dspeyer@wam.umd.edu>
9683 * tree-dump.c (dump_real): New function.
9684 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9685 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9686 (tree-dump.o): Add $(REAL_H) to the dependencies.
9688 2006-03-16 Roger Sayle <roger@eyesopen.com>
9691 * real.c (real_from_string): If the mantissa is zero, don't bother
9692 parsing the exponent as the result should always be zero.
9694 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9696 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9698 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9700 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9701 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9702 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9703 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9704 ia64_sched_finish_global): New static functions to implement
9705 hooks from gcc_target.sched.
9706 (spec_check_no, max_uid, pending_data_specs): New static variables.
9707 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9708 ia64_spec_check_src_p): New static functions.
9709 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9710 (TARGET_SCHED_ADJUST_COST): Removed.
9711 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9712 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9713 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9714 TARGET_SCHED_GEN_CHECK,
9715 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9716 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9717 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9718 Fixed to handle speculation checks.
9719 (rtx_needs_barrier): Fixed to handle speculative loads and
9721 (ia64_variable_issue): Added code to count speculative loads and their
9723 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9725 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9727 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9729 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9730 (ia64_reorg): Reset stops_p to NULL after it is freed.
9731 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9732 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9733 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9735 (data_speculative, control_speculative, check_load): New attributes.
9736 (mov<mode>_advanced, mov<mode>_speculative,
9737 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9738 zero_extend<mode>di2_speculative,
9739 zero_extend<mode>di2_speculative_advanced): New patterns for
9740 data and control speculative loads.
9741 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9743 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9744 New pattern for data and control speculation checks.
9745 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9746 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9747 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9748 Auxiliary definitions for the patterns.
9749 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9750 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9752 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9754 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9755 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9756 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9757 New resource constraints.
9758 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9760 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9761 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9762 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9763 msched-in-control-spec, msched-ldc, msched-control-ldc,
9764 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9765 msched-prefer-non-control-spec-insns,
9766 msched-count-spec-in-critical-path): New flags to tune speculative
9768 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9769 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9770 msched-in-control-spec, msched-ldc, msched-control-ldc,
9771 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9772 msched-prefer-non-control-spec-insns,
9773 msched-count-spec-in-critical-path): Document new flags.
9775 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9777 * target.h (struct spec_info_def): New opaque declaration.
9778 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9779 speculate_insn, needs_block_p, gen_check,
9780 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9781 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9782 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9783 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9784 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9785 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9787 (TARGET_SCHED): Use new macros.
9788 * rtl.h (copy_DEPS_LIST_list): New prototype.
9789 * sched-int.h (struct sched_info): Change signature of new_ready field,
9790 adjust all initializations. New fields: add_remove_insn,
9791 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9792 region_head_or_leaf_p.
9793 (struct spec_info_def): New structure declaration.
9794 (spec_info_t): New typedef.
9795 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9796 recovery_block, orig_pat.
9797 (glat_start, glat_end): New variables declaraions.
9798 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9800 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9801 DETACH_LIFE_INFO, USE_GLAT.
9802 (enum SPEC_SCHED_FLAGS): New enumeration.
9803 (NOTE_NOTE_BB_P): New macro.
9804 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9805 attach_life_info, debug_spec_status, check_reg_live): New functions.
9806 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9807 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9809 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9810 * ddg.c (get_block_head_tail): Adjust all uses.
9811 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9812 (sms_sched_info): Initialize new fields.
9813 (contributes_to_priority): Removed.
9814 * haifa-sched.c (params.h): New include.
9815 (get_block_head_tail): Adjust all uses.
9816 (ISSUE_POINTS): New macro.
9817 (glat_start, glat_end): New global variables.
9818 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9819 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9820 old_last_basic_block, before_recovery, current_sched_info_var,
9821 rgn_n_insns, luid): New static variables.
9822 (insn_cost1): New function. Move logic from insn_cost to here.
9823 (find_insn_reg_weight1): New function. Move logic from
9824 find_insn_reg_weight to here.
9825 (reemit_notes, move_insn, max_issue): Change signature.
9826 (move_insn1): Removed.
9827 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9828 extend_bb): New static functions to support extension of scheduler's
9830 (generate_recovery_code, process_insn_depend_be_in_spec,
9831 begin_speculative_block, add_to_speculative_block,
9832 init_before_recovery, create_recovery_block, create_check_block_twin,
9833 fix_recovery_deps): New static functions to support
9834 generation of recovery code.
9835 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9836 restore_bb_notes, move_block_after_check, move_succs): New static
9837 functions to support ebb scheduling.
9838 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9839 functions to support handling of register live information.
9840 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9841 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9842 add_jump_dependencies): New static functions.
9843 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9844 consistancy checking.
9845 (debug_spec_status): New function to call from debugger.
9846 (priority): Added code to handle speculation checks.
9847 (rank_for_schedule): Added code to distinguish speculative instructions.
9848 (schedule_insn): Added code to handle speculation checks.
9849 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9850 Fixed to handle ebbs.
9851 (move_insn): Added code to handle ebb scheduling.
9852 (max_issue): Added code to use ISSUE_POINTS of instructions.
9853 (choose_ready): Added code to choose between speculative and
9854 non-speculative instructions.
9855 (schedule_block): Added code to handle ebb scheduling and scheduling of
9856 speculative instructions.
9857 (sched_init): Initialize new variables.
9858 (sched_finish): Free new variables. Print statistics.
9859 (try_ready): Added code to handle speculative instructions.
9860 * lists.c (copy_DEPS_LIST_list): New function.
9861 * sched-deps.c (extend_dependency_caches): New function. Move logic
9862 from create_dependency_caches to here.
9863 (get_dep_weak, ds_merge): Make global.
9864 * genattr.c (main): Code to output prototype for
9865 dfa_clear_single_insn_cache.
9866 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9867 (output_dfa_clean_insn_cache_func): Code to output
9868 dfa_clear_single_insn_cache function.
9869 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9871 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9873 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9874 New static variables.
9875 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9876 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9878 (ebb_sched_info): Initialize new fields.
9879 (get_block_head_tail): Adjust all uses.
9880 (compute_jump_reg_dependencies): Fixed to use glat_start.
9881 (schedule_ebb): Code to remove unreachable last block.
9882 (schedule_ebbs): Added code to update register live information.
9883 * sched-rgn.c (region_sched_info): Initialize new fields.
9884 (get_block_head_tail): Adjust all uses.
9885 (last_was_jump): Removed. Adjust users.
9886 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9887 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9888 Implement new hooks.
9889 (check_dead_notes1): New static function.
9890 (struct region): New fields: dont_calc_deps, has_real_ebb.
9891 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9892 (BB_TO_BLOCK): Fixed to handle EBBs.
9893 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9894 (ebb_head): New static variable.
9895 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9896 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9898 (compute_dom_prob_ps): New assertion.
9899 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9900 global_live_at_start.
9901 (init_ready_list): New assertions.
9902 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9903 (new_ready): Add support for BEGIN_CONTROL speculation.
9904 (schedule_insns): Fixed code that updates register live information
9906 (schedule_region): Fixed to handle EBBs.
9907 (init_regions): Use extend_regions and check_dead_notes1.
9908 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9909 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9910 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9911 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9912 TARGET_SCHED_GEN_CHECK,
9913 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9914 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9915 * doc/invoke.texi (max-sched-insn-conflict-delay,
9916 sched-spec-prob-cutoff): Document.
9918 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9920 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9921 inter_tick, queue_index.
9922 (struct sched_info): Change signature of init_ready_list field.
9923 Adjust all initializations.
9924 (RESOLVED_DEPS): New access macro.
9925 (ready_add): Remove prototype.
9926 (try_ready): Add prototype.
9927 * sched-rgn.c (init_ready_list): Use try_ready.
9928 (schedule_region): Initialize
9929 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9930 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9931 (init_ready_list): Use try_ready.
9932 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9933 * lists.c (remove_list_elem): Remove `static'.
9934 (remove_free_INSN_LIST_elem): New function.
9935 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9936 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9937 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9939 (readyp): New variable.
9940 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9941 change_queue_index, resolve_dep): New static functions.
9942 (try_ready): New function. Adjust callers in sched-rgn.c and
9943 sched-ebb.c to use it instead of ready_add.
9944 (clock_var): Move at the begining of file.
9945 (rank_for_schedule): Fix typo.
9946 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9947 (ready_lastpos): Enforce assertion.
9948 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9950 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9951 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9952 (queue_to_ready): Use free_INSN_LIST_list.
9953 (early_queue_to_ready): Fix typo.
9954 (schedule_block): Init readyp. Move init_ready_list call after the
9955 initialization of clock_var. Fix error in rejecting insn by
9956 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9957 that previously corrected INSN_TICKs. Add code for handling
9959 (set_priorities): Fix typo.
9960 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9961 Clarify comment and code that keeps current_sched_info->next_tail
9964 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9966 * sched-rgn.c (extend_rgns): New static function.
9967 (find_rgns): Use it.
9968 (gather_region_statistics, print_region_statistics): New static
9970 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9971 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9973 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9974 Andrey Belevantsev <abel@ispras.ru>
9976 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9977 * lists.c (unused_deps_list): New variable.
9978 (free_list): Add assertions to verify the proper distinguishing
9979 between INSN_LISTs and DEPS_LISTs.
9980 (find_list_elem, remove_list_elem, remove_list_node): New static
9982 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9983 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9984 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9985 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9987 (free_INSN_LIST_node): Likewise.
9988 * modulo-sched.c (current_sched_info): Initialize flags field.
9989 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9990 * rtl.def (DEPS_LIST): Define.
9991 * rtl.h: Declare new functions from lists.c.
9992 * sched-deps.c (spec_dependency_cache): New static variable.
9993 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9994 (add_dependence): Change return type to void. Move the logic to ...
9995 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9996 (delete_all_dependences): Add comment about forward_dependency_cache.
9997 Handle spec_dependency_cache. Handle DEPS_LISTs.
9998 (fixup_sched_groups): Clarify the change of priority of output
9999 and anti dependencies.
10000 (sched_analyze_2): Adjust add_dependence calls to create data
10001 speculative dependence.
10002 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
10003 Adjust all callers. Handle DEPS_LISTS.
10004 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
10005 presence of speculation.
10006 (init_dependency_caches, free_dependency_caches):
10007 Handle spec_dependency_cache.
10008 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
10009 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
10010 New static functions.
10011 (add_or_update_back_dep, add_or_update_back_forw_dep,
10012 add_back_forw_dep, delete_back_forw_dep): New functions.
10013 * sched-int.h (ds_t, dw_t): New typedefs.
10014 (struct sched_info): Add new field flags.
10015 (struct haifa_insn_data): Add new bitfield has_internal_dep.
10016 Prototype new sched-deps.c functions.
10017 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
10018 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
10019 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
10020 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
10021 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
10022 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
10024 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
10026 * sched-rgn.c (current_sched_info): Initialize flags field.
10027 (schedule_insns): Initialize current_sched_info before the sched_init
10029 * sched-ebb.c (current_sched_info): Initialize flags field.
10030 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
10031 Call add_or_update_back_dep instead of add_dependence.
10032 Create control speculative dependencies.
10033 (schedule_insns): Initialize current_sched_info before the sched_init
10036 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
10038 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
10040 (sh_fallback_frame_state): Likewise.
10042 2006-03-15 Geoffrey Keating <geoffk@apple.com>
10044 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
10045 Do switch on default_use_cxa_atexit.
10046 (powerpc*-*-darwin*): Build crt2.o on powerpc.
10047 * config/darwin-crt3.o: New.
10048 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
10049 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
10050 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
10052 * config/rs6000/t-darwin: Move crt2.o building to here.
10053 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
10054 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
10057 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10059 * config/vax/vax.c (nonindexed_address_p): Change logical negation
10060 from '! xxx' to '!xxx' for coding-style conformance.
10061 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
10062 (EXTRA_CONSTRAINT): Likewise.
10063 * config/vax/vax.md (four unnamed insns): Likewise.
10065 2006-03-15 Paul Brook <paul@codesourcery.com>
10067 * config/arm/arm.c (minipool_pad): New.
10068 (add_minipool_forward_ref): Include pool alignment padding in address
10070 (push_minipool_fix): Set minipool_pad.
10071 (minipool_pad): Ditto.
10073 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
10075 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
10076 instead of GET_CODE() == MEM and REG_P() instead of
10078 (print_operand_address): Likewise.
10079 (vax_address_cost): Likewise.
10080 (vax_rtx_costs): Likewise.
10081 (vax_notice_update_cc): Likewise.
10082 (vax_output_int_add): Likewise.
10083 (INDEX_REGISTER_P): Likewise.
10084 (BASE_REGISTER_P): Likewise.
10085 (nonindexed_address_p): Likewise.
10086 (vax_mode_dependent_address_p): Likewise.
10087 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
10088 (PRINT_OPERAND): Likewise.
10089 * config/vax/vax.md (ashlsi3): Likewise.
10090 (ashlsi3): Likewise.
10091 (some more unnamed insns): Likewise.
10093 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
10095 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
10096 iterator-style macro.
10097 (mark_control_dependent_edges_necessary): Update the use of
10098 EXECUTE_IF_CONTROL_DEPENDENT.
10100 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
10102 * config/sh/predicates.md (cache_address_operand): Special.
10103 (ua_address_operand): Likewise.
10105 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
10107 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
10109 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
10111 2006-03-15 Andreas Schwab <schwab@suse.de>
10113 * gensupport.c (identify_predicable_attribute): Don't free p_false
10114 when it is still in use.
10116 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
10118 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
10119 the default setting here.
10121 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
10123 * tree-pass.h (pass_cfg): Remove.
10124 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
10125 * passes.c (pass_cfg): Don't run it.
10127 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
10129 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
10130 * reg-stack.c (stack_regs_mentioned_data): Change the type to
10132 (stack_regs_mentioned): Update the uses of
10133 stack_regs_mentioned_data. Don't access the array beyond its
10135 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
10136 Don't include gt-reg-stack.h.
10138 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
10139 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
10141 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
10143 PR middle-end/26684
10144 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
10147 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10149 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
10151 2006-03-14 Richard Guenther <rguenther@suse.de>
10153 PR tree-optimization/26672
10154 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
10157 2006-03-14 Richard Guenther <rguenther@suse.de>
10159 PR tree-optimization/26667
10160 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
10161 node for the callees. Always allow inlining if it will shrink
10164 2006-03-14 Richard Guenther <rguenther@suse.de>
10166 PR middle-end/26659
10167 * builtins.c (get_pointer_alignment): Prefer alignment
10168 information from decls over that from types.
10170 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
10173 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
10175 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
10177 * config/rs6000/rs6000.opt (mdlmzb): New option.
10178 (msched-prolog, msched-epilog): Use Var not Mask.
10179 * doc/invoke.texi (-mdlmzb): Document.
10180 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
10182 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
10183 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
10185 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
10187 PR rtl-optimization/25739
10188 * bt-load.c (augment_live_range): Free tos pointer.
10190 * gensupport.c (identify_predicable_attribute): Free
10192 * gcov.c (create_file_names): Free name pointer.
10194 2006-03-13 Roger Sayle <roger@eyesopen.com>
10196 PR middle-end/26557
10197 * stmt.c (emit_case_nodes): Handle the case where the index is a
10198 CONST_INT, where the comparison mode is specified by the index type.
10200 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10202 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
10205 2006-03-13 Richard Sandiford <richard@codesourcery.com>
10207 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
10208 (*branch_fp_inverted): Likewise.
10210 2006-03-13 Jakub Jelinek <jakub@redhat.com>
10212 PR middle-end/25989
10213 * omp-low.c (expand_omp_for_generic): Mark istart0
10214 and iend0 as addressable.
10216 2006-03-13 Jie Zhang <jie.zhang@analog.com>
10218 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
10220 2006-03-13 Jeff Law <law@redhat.com>
10222 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
10223 virtual operands are interesting.
10224 (vrp_visit_stmt): Corresponding changes.
10226 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
10228 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
10230 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
10231 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
10232 * config/bfin/crti.S: Use it instead of __PIC__.
10233 * config/bfin/crtn.S: Likewise.
10235 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
10236 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
10238 Lose 'G' modifier for call operand.
10239 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
10240 recognize 'G' modifier.
10242 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
10244 PR middle-end/18859
10245 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
10246 * stmt.c (expand_case): Likewise.
10248 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10250 PR rtl-optimization/26254
10251 * loop-invariant.c (seq_insns_valid_p): New function.
10252 (move_invariant_reg): Only emit new code if it is valid.
10254 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10256 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
10258 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
10259 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
10260 (commit_one_edge_insertion): Do not look for loop notes.
10262 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10264 * jump.c (follow_jumps): Do not check for loop notes. Move check for
10265 flag_test_coverage out of loop.
10267 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10269 * final.c (shorten_branches): Remove outdated comment, and turn
10270 the if branch that guards it to continue.
10272 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
10274 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
10275 * cfgloop.h (struct loop): Remove unused fields.
10277 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
10279 * doc/invoke.texi (-fdump-rtl-loop): Remove.
10280 (-dL, -fdump-rtl-loop2): Update the dump file names
10282 * doc/invoke.texi: Update dump file names.
10284 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
10286 * predict.c (estimate_probability): Remove.
10287 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
10288 * basic-block.h (estimate_probability): Remove prototype.
10289 * passes.c (finish_optimization_passes): Dump branch prediction or
10290 profiling heuristics to the .profile tree dump.
10291 (init_optimization_passes): Unqueue pass_branch_prob.
10293 * doc/invoke.texi (-fdump-rtl-bp): Remove.
10295 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10297 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
10298 * rtl.h (LABEL_NEXTREF): Remove field accessor.
10300 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
10302 * function.h (frame_offset_overflow): Declare.
10303 * function.c (frame_offset_overflow): New function.
10304 (assign_stack_local_1): Call it to detect that the offset overflows.
10305 * cfgexpand.c (alloc_stack_frame_space): Likewise.
10307 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
10309 * config/sh/sh.c: Include alloc-pool.h.
10310 (label_ref_list_pool): New alloc pool.
10311 (label_ref_list_t): New type for lists of labels.
10312 (struct pool_node): Make wend a label_ref_list_t.
10313 (add_constant): Use the new type, eradicate LABEL_NEXTREF
10315 (dump_table): Likewise.
10316 (sh_reorg): Set up the alloc pool before using add_constant and
10317 dump_table, and destroy it when finishing.
10319 2006-03-11 Richard Sandiford <richard@codesourcery.com>
10321 * config/mips/mips.c: Remove redundant comment.
10323 2006-03-10 Jason Merrill <jason@redhat.com>
10326 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
10327 the target was declared 'register'.
10329 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
10331 * genpreds.c (write_insn_constraint_len): Change definition of
10332 insn_constraint_len to return size_t to match the declaration.
10334 2006-03-10 DJ Delorie <dj@redhat.com>
10336 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
10338 (m32c_expand_insv): Fix test for an AND mask.
10340 2006-03-10 Richard Guenther <rguenther@suse.de>
10342 PR middle-end/26565
10343 * builtins.c (get_pointer_alignment): Handle component
10344 references for field alignment.
10346 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10348 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
10349 when building with libgloss.
10350 (sh*elf): Implement --without-fp option.
10351 (sh64-superh-linux*): Don't multilib.
10353 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
10355 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
10357 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
10359 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
10360 Set it when one of the replacement functions returned true.
10361 Return TODO_cleanup_cfg if cfgchanged is true.
10362 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
10364 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
10366 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
10367 instead of gen_lowpart.
10369 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10371 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
10373 (mips_output_order_conditional_branch): Declare.
10374 * config/mips/mips.h (MIPS_BRANCH): New macro.
10375 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
10376 for the comparison. Use gen_condjump.
10377 (mips_output_conditional_branch): Rework interface to take the
10378 asm templates for a direct branch and the inverse of a direct branch.
10379 (mips_output_order_conditional_branch): New function.
10380 (mips_builtin_branch_and_move): New function.
10381 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
10382 branch condition. Use gen_single_cc as the condition for
10383 __builtin_mips_upper_* or __builtin_mips_lower_*.
10384 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
10385 Use VOIDmode for the branch condition.
10386 * config/mips/predicates.md (order_operator): New predicate.
10387 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
10388 (branch_fp): Rename to...
10389 (*branch_fp): ...this. Remove mode from comparison operator.
10390 Use new mips_output_conditional_branch interface.
10391 (branch_fp_inverted): Rename to...
10392 (*branch_fp_inverted): ...this and update as for *branch_fp.
10393 (*branch_zero<mode>): Rename to...
10394 (*branch_order<mode>): ...this. Remove mode from comparison operator.
10395 Use mips_output_order_conditional_branch. Only accept ordered
10397 (*branch_zero<mode>_inverted): Rename to...
10398 (*branch_order<mode>_inverted): ...this and update as for
10399 *branch_order<mode>.
10400 (*branch_equality<mode>): Accept zero as the second operand to
10401 the equality operator. Use the new mips_output_conditional_branch
10403 (*branch_equality<mode>_inverted): Likewise.
10404 (condjump): New expander.
10405 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
10407 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
10408 (bc1any2t, bc1any2f): Likewise.
10409 (single_cc): New expander.
10410 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
10412 2006-03-09 Richard Sandiford <richard@codesourcery.com>
10414 * doc/md.texi: Update documentation of MIPS constraints.
10415 * config/mips/constraints.md: New file.
10416 * config/mips/mips.md: Include it.
10417 * config/mips/mips.c (mips_char_to_class): Delete.
10418 (override_options): Don't initialize mips_char_to_class.
10419 * config/mips/mips.h (mips_char_to_class): Delete.
10420 (REG_CLASS_FROM_LETTER): Delete.
10421 (CONST_OK_FOR_LETTER_P): Delete.
10422 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
10423 (EXTRA_CONSTRAINT_Y): Delete.
10424 (EXTRA_CONSTRAINT_STR): Delete.
10425 (CONSTRAINT_LEN): Delete.
10426 (EXTRA_MEMORY_CONSTRAINT): Delete.
10428 2006-03-09 Diego Novillo <dnovillo@redhat.com>
10430 * tree-cfg.c (move_block_to_fn): Remove the statements from the
10431 original fn's eh regions.
10433 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
10435 * fold-const.c (build_range_check): Make sure to use a valid type to
10436 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
10439 (range_predecessor): New static function.
10440 (range_successor): Likewise.
10441 (merge_ranges): Use them to compute predecessors and successors of
10444 2006-03-09 Roger Sayle <roger@eyesopen.com>
10446 PR middle-end/26561
10447 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
10448 X op C3, consider whether C3 overflows towards +Inf or -Inf.
10450 2006-03-08 DJ Delorie <dj@redhat.com>
10452 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
10453 (addpsi3): Expand to include memory operands. Remove
10454 reload-specific splits.
10455 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
10456 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
10457 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
10458 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
10459 (shift1_qi, shift1_hi, insv): New.
10460 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
10461 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
10462 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
10464 * config/m32c/m32c-protos.h: Update as needed.
10465 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
10466 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
10467 Fail for unrecognized R* constraints.
10468 (m32c_cannot_change_mode_class): Be more picky about pseudos.
10469 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
10470 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
10472 (m32c_init_libfuncs): New.
10473 (m32c_legitimate_address_p): Add debug wrapper.
10474 (m32c_rtx_costs): New.
10475 (m32c_address_cost): New.
10476 (conversions): Add 'B' prefix.
10477 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
10478 operands, or word regnames for QI operands. 'B' prints bit
10480 (m32c_expand_setmemhi): New.
10481 (m32c_expand_movmemhi): New.
10482 (m32c_expand_movstr): New.
10483 (m32c_expand_cmpstr): New.
10484 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
10485 (m32c_expand_neg_mulpsi3): Handle non-ints.
10486 (m32c_cmp_flg_0): New.
10487 (m32c_expand_movcc): New.
10488 (m32c_expand_insv): New.
10489 (m32c_scc_pattern): New.
10490 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
10491 a0/a1 out of SIregs.
10492 (STORE_FLAG_VALUE): New.
10493 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
10496 * config/m32c/mov.md: Make constraints more liberal.
10497 (zero_extendqihi2): Optimize r0/r1 case.
10498 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
10499 * config/m32c/predicates.md (m32c_any_operand): New.
10500 (m32c_nonimmediate_operand): New.
10501 (m32c_hl_operand): New.
10502 (m32c_r3_operand): New.
10505 (memsym_operand): New.
10506 (memimmed_operand): New.
10507 (a_qi_operand): New.
10508 (m32c_eqne_operator): New.
10509 (m32c_1bit8_operand): New.
10510 (m32c_1bit16_operand): New.
10511 (m32c_1mask8_operand): New.
10512 (m32c_1mask16_operand): New.
10513 * config/m32c/blkmov.md: New file.
10514 * config/m32c/t-m32c (MD_FILES): Add blkmov.
10516 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
10518 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
10519 unsigned to fix signed/unsigned comparison issue in
10520 DWARF2_FRAME_REG_OUT.
10521 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
10522 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
10524 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
10525 of ptr into the ENABLE_CHECKING section.
10527 2006-03-08 Jeff Law <law@redhat.com>
10529 * tree-vrp.c (infer_value_range): Only count pointer uses
10530 and dereferences if -fdelete-null-pointer-checks is enabled.
10532 * tree-vrp.c (find_assert_locations): Infer value ranges for
10533 single use pointers, but do not create ASSERT_EXPRs for them.
10534 When a non-null range is inferred for a pointer, backwards
10535 propagate that range to other equivalent pointers through the
10538 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
10541 * Makefile.in (dvi, html, install-info): Invoke the corresponding
10542 language hook targets.
10543 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
10544 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
10545 if language hook targets were missing.
10547 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
10549 * tree-ssa-opfinalize.h: Removed.
10550 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
10552 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
10553 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
10554 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
10555 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
10556 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
10557 finalize_ssa_v_must_def_ops): New.
10559 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
10561 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
10562 block as parameter.
10564 2006-03-07 Geoffrey Keating <geoffk@apple.com>
10566 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
10568 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
10569 addresses with offsets; reorganize.
10571 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
10572 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
10573 (expand_builtin_init_dwarf_reg_sizes): Likewise.
10575 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
10578 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
10580 2006-03-08 Ben Elliston <bje@au.ibm.com>
10582 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10584 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10587 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10590 2006-03-07 Richard Guenther <rguenther@suse.de>
10592 PR tree-optimization/26587
10593 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10595 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10597 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10599 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10601 * hooks.c (hook_bool_mode_rtx_true): New function.
10602 * hooks.h (hook_bool_mode_rtx_true): Declare.
10603 * toplev.c (compile_file): Call output_shared_constant_pool.
10604 * varasm.c (shared_constant_pool): New variable.
10605 (assemble_start_function, assemble_end_function): Remove arguments
10606 from call to output_constant_pool.
10607 (create_constant_pool): New function, split out from...
10608 (init_varasm_status): ...here.
10609 (force_const_mem): Choose between the shared and per-function constant
10610 pools. Set current_function_uses_const_pool when reusing old entries
10611 as well as when creating new ones.
10612 (mark_constant): Ignore data argument.
10613 (mark_constants): Remove pool argument.
10614 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10615 to decide whether the function uses a constant pool.
10616 (output_constant_pool_contents): New function, split out from...
10617 (output_constant_pool): ...here.
10618 (output_shared_constant_pool): New function.
10619 (init_varasm_once): Initialize shared_constant_pool.
10620 * output.h (output_constant_pool): Delete.
10621 (output_shared_constant_pool): Declare.
10622 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10623 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10625 2006-03-06 Nick Clifton <nickc@redhat.com>
10627 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10628 flag_strength_reduce.
10630 2006-03-06 Ben Elliston <bje@au.ibm.com>
10632 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10633 x86_64-*-linux* configurations.
10635 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10636 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10638 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10640 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10642 * basic-block.h: Remove the extern for
10643 rediscover_loops_after_threading.
10645 * cfgloop.c (cancel_loop): Make it static.
10646 * cfgloop.h: Remove the prototype for cancel_loop.
10648 * flow.c (recompute_reg_usage): Make it static.
10649 * rtl.h: Remove the prototype for recompute_reg_usage.
10651 * function.c (use_return_register): Make it static.
10652 * function.h: Remove the prototype.
10654 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10656 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10658 * recog.h: Remove the prototype for
10659 validate_change_maybe_volatile.
10661 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10663 * rtlanal.c (replace_reg): Remove.
10664 * rtl.h: Remove the prototype for replace_reg.
10666 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10668 * regclass.c (reg_scan_update): Remove.
10669 (reg_scan_mark_refs): Remove the last argument.
10670 * rtl.h: Remove the prototype for reg_scan_update.
10672 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10674 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10675 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10676 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10677 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10678 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10679 loop-invariant.c, omp-low.c, opts.c, passes.c,
10680 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10681 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10682 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10683 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10684 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10685 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10687 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10689 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10690 * dwarf2out.h: Remove the prototype for
10691 dwarf2out_add_library_unit_info.
10693 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10695 * tree.c (add_var_to_bind_expr): Remove.
10696 * tree.h: Remove the prototype for add_var_to_bind_expr.
10698 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10700 * regclass.c (n_non_fixed_regs): Remove.
10701 (init_reg_sets_1, globalize_reg): Remove all uses of
10703 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10705 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10707 * rtlanal.c (insns_safe_to_move_p): Remove.
10708 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10710 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10712 * expmed.c (expand_mult_add): Remove.
10713 * expr.h: Remove the prototype for expand_mult_add.
10715 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10717 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10718 and REG_SAVED_VAL_EXP constants.
10719 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10720 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10721 Handle regs stored by value.
10722 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10723 (execute_cfa_program): Handle DW_CFA_val_offset,
10724 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10725 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10726 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10727 (uw_install_context_1): Handle target regs stored by value.
10729 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10731 * tree-sra.c (tree_sra): Return todoflags;
10732 (generate_one_element): Set TODO_update_smt_usage if needed.
10733 (pass_sra): Remove TODO_update_smt_usage.
10734 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10736 (tree_ssa_forward_propagate_single_use_vars): Return
10737 TODO_update_smt_usage if we need to update SMT usage.
10738 (pass_forwprop): Remove TODO_update_smt_usage.
10740 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10742 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10743 (correct_use_link): Remove reference to get_stmt_operands.
10744 (update_stmt_operands): Likewise.
10745 (get_modify_expr_operands): New function factored out of
10746 parse_ssa_operands and get_expr_operands.
10747 Try to create V_MUST_DEFs for LHS by default.
10748 (get_expr_operands) <case MODIFY_EXPR>: Call
10749 get_modify_expr_operands.
10750 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10751 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10752 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10753 get_modify_expr_operands.
10755 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10757 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10758 * tree-flow.h: Remove the prototype for
10759 referenced_var_lookup_if_exists.
10761 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10763 PR rtl-optimization/26345
10765 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10767 2006-03-03 Roger Sayle <roger@eyesopen.com>
10769 PR tree-optimization/26524
10770 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10771 fold_convert to create a constant of the appropriate type.
10773 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10775 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10776 SYMBOL_REF_IN_BLOCK_P.
10777 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10778 of SYMBOL_FLAG_IN_BLOCK.
10779 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10780 instead of SYMBOL_REF_IN_BLOCK_P.
10781 * explow.c (use_anchored_address): Likewise.
10782 * rtl.c (rtx_size): Likewise.
10783 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10784 instead of SYMBOL_FLAG_IN_BLOCK.
10785 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10786 SYMBOL_REF_IN_BLOCK_P.
10787 (assemble_variable): Likewise.
10788 (output_constant_def_contents): Likewise.
10789 (output_constant_pool): Likewise.
10790 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10791 instead of SYMBOL_FLAG_IN_BLOCK.
10792 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10793 SYMBOL_REF_IN_BLOCK_P.
10794 (SYMBOL_REF_BLOCK): Likewise.
10795 (SYMBOL_REF_OFFSET): Likewise.
10796 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10797 SYMBOL_REF_IN_BLOCK_P.
10798 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10799 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10800 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10801 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10803 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10805 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10807 2006-03-02 Roger Sayle <roger@eyesopen.com>
10809 * simplify-rtx.c (simplify_unary_operation): When simplifying
10810 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10811 that we perform the right shift in the appropriate mode, and
10812 then extend or truncate the result to requested mode.
10814 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10816 * gengtype.c (main): Handle double_int type.
10817 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10818 * double-int.c: New file.
10819 * double-int.h: New file.
10820 * system.h: Include doubleint.h.
10821 * Makefile.in (SYSTEM_H): Include double-int.h.
10822 (double-int.o): Add.
10824 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10827 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10830 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10832 * tree-vrp.c (remove_range_assertions): Do not update statements
10835 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10837 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10839 * gcse.c (rest_of_handle_gcse): Ditto.
10840 * except.c (gate_handle_eh): Ditto.
10841 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10842 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10844 2006-03-02 Eric Christopher <echristo@apple.com>
10846 * config/i386/i386.c (machopic_output_stub): Add indirection to
10849 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10853 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10855 Sun Niagara specific optimizations.
10856 * config.gcc: Recognize niagara as target.
10857 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10858 (TARGET_CPU_niagara): Define.
10859 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10860 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10861 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10862 (ASM_CPU_SPEC): Likewise.
10863 (PROCESSOR_NIAGARA): New enum entry.
10864 (REGISTER_MOVE_COST): Handle Niagara.
10865 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10866 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10867 (sparc_override_options): Recognize "niagara", set appropriate
10868 default MASK_* values for it, and align functions to 32-bytes
10869 by default just like ULTRASPARC/ULTRASPARC3.
10870 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10871 (sparc64_initialize_trampoline): Likewise.
10872 (sparc_use_sched_lookahead): Use zero for niagara.
10873 (sparc_issue_rate): Use one for niagara.
10874 * config/sparc/niagara.md: New file.
10875 * config/sparc/sparc.md: Include it.
10876 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10877 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10878 when default cpu is niagara.
10879 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10880 (ASM_CPU_SPEC): Likewise.
10881 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10882 when default cpu is niagara.
10883 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10884 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10885 just like v9/ultrasparc/ultrasparc3.
10886 * doc/invoke.texi: Add documentation for "niagara" and improve
10887 existing documentation for ultrasparc variants.
10889 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10891 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10893 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10895 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10896 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10897 and say that only one is needed.
10898 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10899 * target.h (have_switchable_bss_sections): New hook.
10900 * explow.c (use_anchored_address): Check that the symbol is in a block.
10901 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10902 (bss_noswitch_section): New variables.
10903 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10904 (get_noswitch_section): New function.
10905 (get_block_for_section): Allow SECT to be null.
10906 (unlikely_text_section_p): Use SECTION_STYLE.
10907 (bss_initializer_p): New function.
10908 (get_variable_section): Move earlier in file. Take a new argument,
10909 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10910 Return one of the new *_sections in such cases.
10911 (get_block_for_decl): New function, extracting some logic from
10912 use_blocks_for_decl_p.
10913 (change_symbol_section): Remove in favor of...
10914 (change_symbol_block): ...this new function.
10915 (use_blocks_for_decl_p): Remove checks now performed by
10916 get_block_for_decl.
10917 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10918 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10919 (emit_local, emit_bss, emit_common): ...these new functions.
10920 Return true if the alignment was honored.
10921 (emit_tls_common): New function.
10922 (asm_emit_uninitialised): Delete.
10923 (assemble_variable_noswitch): New function, split out from...
10924 (assemble_variable): ...here. Don't make decisions about common
10925 variables here. Globalize all public decls that go into non-common
10926 sections. Check whether SYMBOL_REF_BLOCK is null.
10927 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10928 (output_constant_pool): Likewise.
10929 (init_varasm_once): Initialize the new section variables.
10930 (have_global_bss_p): New function.
10931 (categorize_decl_for_section): Use bss_initializer_p.
10932 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10933 (place_block_symbol): Assert that the symbol must be in a block.
10934 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10935 (TARGET_INITIALIZER): Include it.
10936 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10937 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10938 (SECTION_MACH_DEP): Bump by two.
10939 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10940 (unnamed_section): Mention SECTION_UNNAMED in comment.
10941 (named_section): Likewise SECTION_NAMED.
10942 (noswitch_section_callback): New type.
10943 (noswitch_section): New structure.
10944 (section): Add a noswitch_section alternative.
10945 (SECTION_STYLE): New macro.
10946 (tls_comm_section, comm_section, lcomm_section): Declare.
10947 (bss_noswitch_section, have_global_bss_p): Declare.
10948 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10949 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10951 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10952 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10955 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10957 * tree-vrp.c (execute_vrp): Return value.
10958 * regrename.c (rest_of_handle_regrename): Ditto.
10959 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10960 * tree-complex.c (tree_lower_complex): Ditto.
10961 (tree_lower_complex_O0): Ditto.
10962 * tracer.c (rest_of_handle_tracer): Ditto.
10963 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10964 * postreload.c (rest_of_handle_postreload): Ditto.
10965 * tree-tailcall.c (execute_tail_recursion): Ditto.
10966 (execute_tail_calls): Ditto.
10967 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10968 * tree.h (init_function_for_compilation): Ditto.
10969 * ipa-cp.c (ipcp_driver): Ditto.
10970 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10971 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10972 * final.c (compute_alignments): Ditto.
10973 (rest_of_handle_final): Ditto.
10974 (rest_of_handle_shorten_branches): Ditto.
10975 (rest_of_clean_state): Ditto.
10976 * omp-low.c (execute_expand_omp): Ditto.
10977 (execute_lower_omp): Ditto.
10978 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10979 * ipa-reference.c (static_execute): Ditto.
10980 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10981 * reorg.c (rest_of_handle_delay_slots): Ditto.
10982 (rest_of_handle_machine_reorg): Ditto.
10983 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10984 * flow.c (recompute_reg_usage): Ditto.
10985 (rest_of_handle_remove_death_notes): Ditto.
10986 (rest_of_handle_life): Ditto.
10987 (rest_of_handle_flow2): Ditto.
10988 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10989 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10990 (do_ssa_store_ccp): Ditto.
10991 (execute_fold_all_builtins): Ditto.
10992 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10993 * modulo-sched.c (rest_of_handle_sms): Ditto.
10994 * ipa-pure-const.c (static_execute): Ditto.
10995 * cse.c (rest_of_handle_cse): Ditto.
10996 (rest_of_handle_cse2): Ditto.
10997 * web.c (rest_of_handle_web): Ditto.
10998 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10999 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
11000 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
11001 * tree-nrv.c (tree_nrv): Ditto.
11002 (execute_return_slot_opt): Ditto.
11003 * tree-ssa-alias.c (compute_may_aliases): Ditto.
11004 (create_structure_vars): Ditto.
11005 * loop-init.c (rtl_loop_init): Ditto.
11006 (rtl_loop_done): Ditto.
11007 (rtl_move_loop_invariants): Ditto.
11008 (rtl_unswitch): Ditto.
11009 (rtl_unroll_and_peel_loops): Ditto.
11010 (rtl_doloop): Ditto.
11011 * gimple-low.c (lower_function_body): Ditto.
11012 (mark_used_blocks): Ditto.
11013 * tree-ssa-sink.c (execute_sink_code): Ditto.
11014 * ipa-inline.c (cgraph_decide_inlining): Ditto.
11015 (cgraph_early_inlining): Ditto.
11016 * global.c (rest_of_handle_global_alloc): Ditto.
11017 * jump.c (cleanup_barriers): Ditto.
11018 (purge_line_number_notes): Ditto.
11019 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
11020 (rest_of_handle_if_after_reload): Ditto.
11021 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
11022 (tree_ssa_loop_im): Ditto.
11023 (tree_ssa_loop_unswitch): Ditto.
11024 (tree_vectorize): Ditto.
11025 (tree_linear_transform): Ditto.
11026 (tree_ssa_loop_ivcanon): Ditto.
11027 (tree_ssa_empty_loop): Ditto.
11028 (tree_ssa_loop_bounds): Ditto.
11029 (tree_complete_unroll): Ditto.
11030 (tree_ssa_loop_prefetch): Ditto.
11031 (tree_ssa_loop_ivopts): Ditto.
11032 (tree_ssa_loop_done): Ditto.
11033 * predict.c (tree_estimate_probability): Ditto.
11034 * recog.c (split_all_insns_noflow): Ditto.
11035 (rest_of_handle_peephole2): Ditto.
11036 (rest_of_handle_split_all_insns): Ditto.
11037 * tree-eh.c (lower_eh_constructs): Ditto.
11038 * regmove.c (rest_of_handle_regmove): Ditto.
11039 (rest_of_handle_stack_adjustments): Ditto.
11040 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
11041 * function.c (instantiate_virtual_regs): Ditto.
11042 (init_function_for_compilation): Ditto.
11043 (rest_of_handle_check_leaf_regs): Ditto.
11044 * gcse.c (rest_of_handle_jump_bypass): Ditto.
11045 (rest_of_handle_gcse): Ditto.
11046 * ipa-type-escape.c (type_escape_execute): Ditto.
11047 * alias.c (rest_of_handle_cfg): Ditto.
11048 * tree-if-conv.c (main_tree_if_conversion): Ditto.
11049 * profile.c (rest_of_handle_branch_prob): Ditto.
11050 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
11051 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
11052 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
11053 * tree-dfa.c (find_referenced_vars): Ditto.
11054 * except.c (set_nothrow_function_flags): Ditto.
11055 (convert_to_eh_region_ranges): Ditto.
11056 (rest_of_handle_eh): Ditto.
11057 * emit-rtl.c (unshare_all_rtl): Ditto.
11058 (remove_unnecessary_notes): Ditto.
11059 * except.h (set_nothrow_function_flags): Ditto.
11060 (convert_to_eh_region_ranges): Ditto.
11061 * cfgexpand.c (tree_expand_cfg): Ditto.
11062 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
11063 * tree-ssa-pre.c (do_pre): Ditto.
11064 (execute_fre): Ditto.
11065 * cfgcleanup.c (rest_of_handle_jump): Ditto.
11066 (rest_of_handle_jump2): Ditto.
11067 * tree-sra.c (tree_sra): Ditto.
11068 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
11069 (execute_mudflap_function_decls): Ditto.
11070 * tree-ssa-copy.c (do_copy_prop): Ditto.
11071 (do_store_copy_prop): Ditto.
11072 * ipa-prop.h (ipcp_driver): Ditto.
11073 * cfglayout.c (insn_locators_initialize): Ditto.
11074 * tree-ssa-forwprop.c
11075 (tree_ssa_forward_propagate_single_use_vars): Ditto.
11076 * cfglayout.h (insn_locators_initialize): Ditto.
11077 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
11078 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
11079 (execute_late_warn_uninitialized): Ditto.
11080 * rtl.h (cleanup_barriers): Ditto.
11081 (split_all_insns_noflow): Ditto.
11082 (purge_line_number_notes): Ditto.
11083 (unshare_all_rtl): Ditto.
11084 (remove_unnecessary_notes): Ditto.
11085 (recompute_reg_usage): Ditto.
11086 (variable_tracking_main): Ditto.
11087 * integrate.c (emit_initial_value_sets): Ditto.
11088 * integrate.h (emit_initial_value_sets): Ditto.
11089 * tree-optimize.c (execute_free_datastructures): Ditto
11090 (execute_free_cfg_annotations): Ditto.
11091 (execute_fixup_cfg): Ditto.
11092 (execute_cleanup_cfg_pre_ipa): Ditto.
11093 (execute_cleanup_cfg_post_optimizing): Ditto.
11094 (execute_init_datastructures): Ditto.
11095 * tree-object-size.c (compute_object_sizes): Ditto.
11096 * combine.c (rest_of_handle_combine): Ditto.
11097 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
11098 * bb-reorder.c (duplicate_computed_gotos): Ditto.
11099 (rest_of_handle_reorder_blocks): Ditto.
11100 (rest_of_handle_partition_blocks): Ditto.
11101 * var-tracking.c (variable_tracking_main): Ditto.
11102 * tree-profile.c (tree_profiling): Ditto.
11103 * tree-vect-generic.c (expand_vector_operations): Ditto.
11104 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
11105 * sched-rgn.c (rest_of_handle_sched): Ditto.
11106 (rest_of_handle_sched2): Ditto.
11107 * basic-block.h (free_bb_insn): Ditto.
11108 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
11109 * tree-cfg.c (execute_build_cfg): Ditto.
11110 (remove_useless_stmts): Ditto.
11111 (split_critical_edges): Ditto.
11112 (execute_warn_function_return): Ditto.
11113 (execute_warn_function_noreturn): Ditto.
11114 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
11115 * cfgrtl.c (free_bb_for_insn): Ditto.
11116 * passes.c (execute_one_pass): Run additional
11117 todos returned by execute function.
11118 * tree-pass.h (struct tree_opt_pass): Make execute
11121 2006-03-02 Richard Guenther <rguenther@suse.de>
11123 * tree-ssa-alias.c (find_used_portions): Consider taking
11124 the address as making the variable not write-only.
11126 2006-03-02 Nick Clifton <nickc@redhat.com>
11128 * config.gcc (default_use_cxa_atexit): Extend the description of
11129 this configure variable. Set its default value to "yes" for
11130 Linux, NetBSD and ELF targets on the assumption that they will
11131 use C libraries with the __cxa_atexit function.
11133 2006-03-02 Ben Elliston <bje@au.ibm.com>
11135 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
11136 parameter as unused to suppress a build warning.
11138 2006-03-02 Ben Elliston <bje@au.ibm.com>
11140 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
11143 2006-03-01 Roger Sayle <roger@eyesopen.com>
11146 * gthr-posix.h (__gthrw2): Define to take three parameters, the
11147 declared name, the weak reference name, and the typeof name.
11148 (__gthrw): Avoid expanding the declared name suffix.
11149 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
11151 2006-03-01 Jakub Jelinek <jakub@redhat.com>
11153 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
11155 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
11156 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
11157 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
11158 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
11159 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
11160 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
11161 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
11162 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
11163 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
11164 DW_DS_leading_separate, DW_DS_trailing_separate): New.
11165 (DW_END_default, DW_END_big, DW_END_little): New.
11166 (DW_END_lo_user, DW_END_hi_user): Define.
11167 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
11168 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
11169 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
11172 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11174 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
11176 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
11178 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
11180 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
11182 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
11183 to 'symbol_mem_tag'.
11185 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
11188 2006-03-01 Roger Sayle <roger@eyesopen.com>
11190 * builtins.c (fold_builtin_copysign): Delete unreachable code.
11192 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11195 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
11196 MACHO_DYNAMIC_NO_PIC_P.
11197 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
11199 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11202 * config/darwin-protos.h (darwin_asm_output_anchor):
11204 * config/darwin-sections.def (cstring_section):
11205 Add SECTION_MERGE to the flags.
11206 (literal4_section): Likewise.
11207 (literal8_section): Likewise.
11208 (objc_selector_refs_section): Likewise.
11209 (objc_cls_refs_section): Likewise.
11210 * config/darwin.c (darwin_asm_output_anchor): New
11212 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11214 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
11216 Fix PR tree-optimization/26443
11217 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
11218 to todo and PROP_tmt_usage to properties_destroyed.
11219 * tree-ssa-ccp.c (pass_ccp): Ditto.
11220 (pass_store_ccp): Ditto.
11221 * tree-ssa-dom.c (pass_dominator): Ditto.
11223 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11225 * tree-ssa-operands.c: Cleanup whitespace.
11226 (get_asm_expr_operands): Move before first invocation.
11227 (get_indirect_ref_operands): Likewise.
11228 (get_tmr_operands): Likewise.
11229 (get_call_expr_operands): Likewise.
11230 (append_def): Likewise.
11231 (append_use): Likewise.
11232 (append_v_may_def): Likewise.
11233 (append_v_must_def): Likewise.
11234 (add_call_clobber_ops): Likewise.
11235 (add_call_read_ops): Likewise.
11236 (add_stmt_operand): Likewise.
11237 (add_virtual_operand): Likewise.
11238 (build_ssa_operands): Likewise.
11240 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
11242 PR middle-end/26022
11244 PR middle-end/24437
11245 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
11246 with a call expr to ...
11247 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
11249 2006-03-01 Diego Novillo <dnovillo@redhat.com>
11251 * tree-vrp.c (extract_range_from_assert): Remove special
11252 handling for types with super-types.
11254 2006-03-01 Ben Elliston <bje@au.ibm.com>
11256 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
11257 and powerpc64-*-linux* configurations.
11258 * config/t-dfprules: New file.
11260 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
11261 Compile dfp-bit.c from the source directory using -DWIDTH and
11262 $DFP_CFLAGS to control the compilation of that file, rather than
11263 generating width-specific versions in the build directory.
11264 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
11265 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
11267 2006-02-28 Zack Weinberg <zackw@panix.com>
11269 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
11272 2006-02-28 Eric Christopher <echristo@apple.com>
11274 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
11275 Set up IN_LIBGCC definition of TARGET_64BIT.
11276 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
11278 2006-02-28 Roger Sayle <roger@eyesopen.com>
11280 PR middle-end/14752
11281 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
11282 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
11283 cases via the construction of "expr != 0".
11285 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
11287 * alias.c (alias_invariant, alias_invariant_size): Remove.
11288 (record_base_value): Remove.
11289 (memrefs_conflict_p): Don't look at alias_invariant.
11290 (end_alias_analysis): Don't free it.
11291 * alias.h (record_base_value): Remove prototype.
11293 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
11294 Adam Nemet <anemet@caviumnetworks.com>
11296 * rtl.h (truncated_to_mode): Declare it.
11297 (struct rtl_hooks): Add reg_truncated_to_mode hook.
11298 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
11299 (RTL_HOOKS_INITIALIZER): Include it.
11300 * rtlhooks.c (reg_truncated_to_mode_general): New function.
11301 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
11302 reg_truncated_to_mode.
11303 * rtlanal.c (truncated_to_mode): Define it.
11304 * simplify-rtx.c (simplify_unary_operation_1): Use it.
11306 2006-02-28 Jeff Law <law@redhat.com>
11308 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
11309 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
11310 the range allowed by TYPE_PRECISION.
11312 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
11314 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
11316 PR tree-optimization/26419
11317 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
11320 2006-02-27 Zack Weinberg <zackw@panix.com>
11322 * doc/md.texi: Fix typo in previous change.
11324 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
11328 2006-02-27 Zack Weinberg <zackw@panix.com>
11330 * rtl.def (define_constraint, define_register_constraint)
11331 (define_memory_constraint, define_address_constraint): New MD forms.
11332 * gensupport.c (process_rtx): Put define_constraint etc on the
11334 * genpreds.c (process_define_predicate): Adjust comment. Validate
11335 the name, and call validate_exp to validate the expression.
11336 (mark_mode_tests, write_extract_subexp): Can assume correct input.
11337 (write_predicate_expr): Likewise. NAME argument no longer necessary;
11338 all callers changed.
11339 (validate_exp, needs_variable, struct constraint_data)
11340 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
11341 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
11342 (const_dbl_constraints, constraint_max_namelen)
11343 (have_register_constraints, have_memory_constraints)
11344 (have_address_constraints, have_address_constraints)
11345 (have_extra_constraints, have_const_int_constraints)
11346 (have_const_dbl_constraints, mangle, add_constraint)
11347 (process_define_constraint, process_define_register_constraint)
11348 (write_enum_constraint_num, write_lookup_constraint)
11349 (write_insn_constraint_len, write_regclass_for_constraint)
11350 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
11351 (write_insn_extra_memory_constraint)
11352 (write_insn_extra_address_constraint)
11353 (write_satisfies_constraint_fns): New.
11354 (write_tm_preds_h): If we have new-style constraint definitions,
11355 prototype the functions generated from them, and define the
11356 old constraint interface (still used by generic code) in terms of
11358 (write_insn_preds_c): If we have new-style constraint definitions,
11359 generate all relevant functions from those definitions.
11360 (main): Handle define_constraint etc.
11361 * genoutput.c (struct constraint_data, indep_constraints)
11362 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
11363 (mdep_constraint_len): New data structures and functions, defined
11364 #ifdef USE_MD_CONSTRAINTS.
11365 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
11366 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
11367 use new logic to validate operand constraints against constraint
11369 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
11371 * defaults.h: If none of the old-style constraint macros are
11372 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
11373 old-style macros; and poison REG_CLASS_FROM_LETTER,
11374 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
11376 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
11377 * doc/md.texi: Document new constraint-definition mechanism and the
11378 C interface it provides. Remove references to old mechanism
11379 elsewhere in the document.
11380 (Machine Constraints): Use pathnames relative to gcc directory,
11381 i.e. config/ARCH/FILE. Change i386 section to refer to
11382 config/i386/predicates.md; update that section to match docstrings.
11383 * doc/tm.texi: Move all documentation of the old constraint-
11384 definition macros to their own section, clearly mark as obsolete.
11386 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
11387 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
11389 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
11390 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
11391 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
11392 constraint strings.
11393 (splits and peepholes): Use satisfies_constraint_*.
11394 * config/i386/i386.c (memory_address_length)
11395 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
11397 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11399 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
11400 scalar operation to be put back into the loop.
11402 2006-02-27 Jakub Jelinek <jakub@redhat.com>
11405 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
11406 (extract_cie_info): Handle S flag in augmentation string.
11407 (execute_cfa_program): If context->signal_frame, execute also
11408 fs->pc == context->ra instructions.
11409 (uw_frame_state_for): If context->signal_frame, don't subtract one
11410 from context->ra to find FDE.
11411 (uw_update_context_1): Set context->signal_frame to
11413 (_Unwind_GetIPInfo): New function.
11414 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
11415 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
11417 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
11418 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
11419 * unwind-compat.c (_Unwind_GetIPInfo): New function.
11420 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
11421 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
11422 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
11423 * config/i386/linux-unwind.h (x86_fallback_frame_state,
11424 x86_64_fallback_frame_state): Set fs->signal_frame.
11425 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
11426 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
11427 (frob_update_context): Likewise. Workaround missing S flag in
11428 Linux 2.6.12 - 2.6.16 kernel vDSOs.
11429 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
11430 Remove the psw_addr + 1 hack.
11432 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
11434 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
11435 with aggregates here.
11436 (find_func_aliases): Remove code for &<aggregate> from here.
11438 2006-02-26 Roger Sayle <roger@eyesopen.com>
11440 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
11441 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
11442 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
11443 as (X & C) ne/eq 0.
11445 2006-02-26 Roger Sayle <roger@eyesopen.com>
11447 PR middle-end/19983
11448 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
11450 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
11452 * opts.c (decode_options): Do not handle flag_strength_reduce.
11453 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
11454 and OPT_fstrength_reduce.
11455 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
11456 flag_prefetch_loop_arrays for being nonzero.
11457 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
11459 (fprefetch-loop-arrays-rtl): Removed.
11460 (flag_prefetch_loop_arrays): Do not specify the value.
11462 * doc/passes.texi: Update documentation of loop optimizer
11464 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
11465 -frerun-loop-opt): Remove.
11467 2006-02-26 Richard Guenther <rguenther@suse.de>
11469 PR tree-optimization/26421
11470 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
11471 in function calls that are ADDR_EXPRs as using the whole structure.
11473 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
11475 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
11476 * tree-pass.h (pass_loop_optimize): Remove.
11477 * passes.c (pass_loop_optimize): Never run it.
11478 * toplev.c (backend_init): Don't call init_loop.
11479 * opts.c (flag_loop_optimize_set): Remove.
11480 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
11481 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
11482 the old RTL loop optimizer when profiling enabled.
11483 * predict.c (tree_estimate_probability): Always strip builtin_expect.
11484 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
11485 pre-headers for the sake of the old RTL loop optimizer.
11486 * Makefile.in: Remove all references to loop.o.
11488 * doc/invoke.texi: Remove all references to -floop-optimize
11489 and -frerun-loop-opt.
11491 2006-02-26 Zack Weinberg <zackw@panix.com>
11493 * doc/md.texi (Machine Constraints): Refer to all files with paths
11494 relative to gcc directory (i.e. config/CPU/file). Add missing
11495 @table @code ... @end table to M32C subsection.
11497 2006-02-26 Roger Sayle <roger@eyesopen.com>
11499 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
11501 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
11503 2006-02-26 Roger Sayle <roger@eyesopen.com>
11504 James A. Morrison <phython@gcc.gnu.org>
11506 PR middle-end/21137
11507 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
11508 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
11509 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
11510 signedness of the shift operation.
11512 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
11514 PR tree-optimization/26359
11515 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
11517 2006-02-25 Roger Sayle <roger@eyesopen.com>
11519 * simplify-rtx.c (simplify_relational_operation_1): Simplify
11520 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
11521 as X == 0, and some symmetry related transformations.
11522 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
11524 2006-02-25 Roger Sayle <roger@eyesopen.com>
11526 PR middle-end/23673
11527 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
11528 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
11529 symmetry related transformations. Fold (X^C1) == C2 as
11532 2006-02-25 Juergen Weigert <jw@suse.de>
11533 Richard Guenther <rguenther@suse.de>
11535 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
11537 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
11539 * combine.c (gen_lowpart_or_truncate): Call
11540 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
11542 2006-02-24 Diego Novillo <dnovillo@redhat.com>
11544 * doc/invoke.texi: Move -fopenmp description to "Options for
11546 Remove reference to -lgomp.
11548 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11550 * doc/install.texi: Require GNU tar version 1.14.
11552 2006-02-24 Geoffrey Keating <geoffk@apple.com>
11554 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
11555 * doc/invoke.texi (C++ Dialect Options): Document
11556 -fno-use-cxa-get-exception-ptr.
11557 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
11558 * configure: Regenerate.
11559 * c.opt (fuse-cxa-get-exception-ptr): New.
11560 * c-opts.c (c_common_handle_option): Handle
11561 OPT_fuse_cxa_get_exception_ptr.
11562 * c-common.c (flag_use_cxa_atexit): Update documentation.
11563 (flag_use_cxa_get_exception_ptr): New.
11564 * c-common.h (flag_use_cxa_get_exception_ptr): New.
11565 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
11567 (C_COMMON_OVERRIDE_OPTIONS): New.
11569 2006-02-24 Roger Sayle <roger@eyesopen.com>
11571 PR middle-end/24952
11572 * combine.c (try_combine): Explicitly check whether GET_CODE is
11573 a SET or a CLOBBER, instead on checking that it isn't a USE.
11575 2006-02-24 Roger Sayle <roger@eyesopen.com>
11577 * fold-const.c (fold_comparison): New subroutine of fold_binary
11578 containing transformations common to both the equality and
11579 ordering relational operators, factored out of fold_binary.
11580 (fold_binary): Separate out the equality operators (EQ_EXPR
11581 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
11582 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11583 transformations common to both.
11584 (fold_div_compare): Fix latent bugs in the previously unreachable
11585 LT_EXPR and GE_EXPR cases.
11587 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11589 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11590 decl libname for clog to __clog on AIX.
11592 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11594 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11597 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11598 output traceback table for thunks. Localise rs6000_stack_info call.
11600 2006-02-23 Roger Sayle <roger@eyesopen.com>
11601 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11603 * gthr-posix.h (__gthrw): Fix typo in comment.
11605 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11607 * doc/cpp.texi (Character sets): Document that we do support
11608 input files to be in any character set.
11610 2006-02-23 Jeff Law <law@redhat.com>
11612 * tree.h (PHI_ARG_NONZERO): Remove.
11613 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11614 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11615 node to the new node.
11617 PR tree-optimization/26425
11618 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11619 min/max, then assume its varying.
11621 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11623 PR rtl-optimization/26316
11624 * rtlanal.c (enum may_trap_p_flags): New.
11625 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11626 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11627 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11628 (may_trap_after_code_motion_p): New function.
11629 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11630 (find_invariant_insn): Use may_trap_after_code_motion_p.
11631 * rtl.h (may_trap_after_code_motion_p): Declare.
11633 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11635 * emit-rtl.c (immed_double_const): Cleanup.
11637 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11639 Fix PR tree-optimization/26376
11640 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11643 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11645 PR middle-end/26412
11646 * gimplify.c (omp_add_variable): Guard variable size decl test with
11647 DECL_SIZE (decl) check.
11649 2006-02-23 Richard Guenther <rguenther@suse.de>
11651 PR middle-end/26439
11652 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11653 like aggregate types.
11655 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11657 * configure.ac: Add --with{,out}-long-double-128 configure option.
11658 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11659 * configure: Rebuilt.
11660 * config.in: Rebuilt.
11661 * doc/install.texi (Options specification): Document
11662 --with-long-double-128.
11664 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11665 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11666 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11667 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11669 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11671 * config/s390/s390.c (override_options): Handle
11672 TARGET_DEFAULT_LONG_DOUBLE_128.
11674 * config/alpha/alpha.c (override_options): Handle
11675 TARGET_DEFAULT_LONG_DOUBLE_128.
11677 * config/sparc/sparc.c (sparc_override_options): Handle
11678 TARGET_DEFAULT_LONG_DOUBLE_128.
11680 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11682 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11683 (real-install-headers-tar, real-install-headers-cpio)
11684 (real-install-headers-cp): New targets.
11686 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11688 * tree.h (variable_section): Delete.
11689 * varasm.c (variable_section): Delete.
11691 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11693 * install.texi: Add notes on install.texi2html.
11694 (Building in parallel): Do not use footnotes.
11696 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11699 * doc/install.texi (Configuration): Document --disable-libgomp.
11701 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11703 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11705 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11707 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11708 (vec_extractv2df_0_sse): New.
11710 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11712 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11713 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11714 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11715 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11716 to the result of the expression.
11717 (def_cfa_1): Adjust.
11718 (frame_pointer_cfa_offset): Rename to...
11719 (frame_pointer_fb_offset): ... this. Adjust all uses.
11720 (convert_cfa_to_loc_list): Rename to...
11721 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11722 Pass it on to build_cfa_loc.
11723 (compute_frame_pointer_to_cfa_displacement): Rename to...
11724 (compute_frame_pointer_to_fb_displacement): ... this. New
11725 offset parameter. Use it in computation.
11726 (gen_subprogram_die): Compute cfa_fb_offset with the new
11727 macro, and use it to compute the fb loc list and the
11730 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11732 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11733 replaced with register_operand.
11734 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11735 non-DREG is expensive.
11736 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11737 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11740 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11742 * doc/install.texi2html: Use set -e.
11744 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11746 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11747 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11748 * doc/invoke.texi (-fshared-data): Delete.
11749 * common.opt (fshared-data): Delete.
11750 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11751 (assemble_static_space): Remove #if 0 code.
11752 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11753 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11754 * config/cris/cris.h: Remove FIXME.
11756 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11758 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11761 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11763 PR middle-end/26379
11764 * combine.c (simplify_shift_const_1): Disable nested shifts
11765 optimization for vector shifts.
11767 2006-02-20 Roger Sayle <roger@eyesopen.com>
11769 PR tree-optimization/26361
11770 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11771 of unsigned integer types.
11773 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11775 * tree-chrec.c (eq_evolutions_p): New.
11776 * tree-chrec.h (eq_evolutions_p): Declared.
11777 * tree-data-ref.c: Fix formatting.
11778 (datadep_stats, dependence_stats): New.
11780 (print_direction_vector): New.
11781 (dump_data_dependence_relation): Use print_direction_vector.
11782 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11783 (compute_subscript_distance): Static.
11784 (initialize_data_dependence_relation): Static. Get the number
11785 of loops surrounding the references from the callers, and initialize
11786 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11787 base_object_differ_p analyzers.
11788 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11789 compute_overlap_steps_for_affine_1_2,
11790 analyze_subscript_affine_affine): Count the classified dependences.
11791 Print a message when a test failed.
11792 (can_use_analyze_subscript_affine_affine): New.
11793 (analyze_siv_subscript): Compute the data dependences on symbolic
11794 scevs that verify can_use_analyze_subscript_affine_affine.
11795 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11796 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11797 Handle symbolic scevs.
11798 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11800 (subscript_dependence_tester): Moved...
11801 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11802 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11803 DDR_SIZE_VECT instead of getting it in parameter.
11804 (subscript_dependence_tester): ... here. Take as a parameter
11805 loop_nest_depth. Call build_classic_dist_vector and
11806 build_classic_dir_vector.
11807 (compute_affine_dependence): Update subscript_dependence_tester
11808 parameters. Update datadep_stats counters. Call
11809 compute_subscript_distance.
11810 (compute_self_dependence): Save the dist and dir vectors. Call
11811 compute_subscript_distance.
11812 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11813 (compute_all_dependences): Reorder parameters as they were before
11814 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11815 compute_subscript_distance. Update the use of
11816 compute_affine_dependence and initialize_data_dependence_relation.
11817 (find_data_references_in_loop): Handle COMPONENT_REF.
11818 (compute_data_dependences_for_loop): Initialize dependence_stats.
11819 Don't call build_classic_dist_vector and build_classic_dir_vector.
11820 Update the parameters of initialize_data_dependence_relation and
11821 compute_all_dependences. Print the statistics from datadep_stats.
11822 (analyze_all_data_dependences): Static. Not used until the pass for
11823 checking the data dependences is contributed.
11824 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11825 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11826 (initialize_data_dependence_relation, compute_affine_dependence,
11827 analyze_all_data_dependences, compute_subscript_distance): Removed.
11828 (print_direction_vector): New.
11829 * lambda.h (gcd): ... here.
11830 (lambda_vector_gcd): Moved here from gcd_vector.
11831 * lambda-code.c (gcd, gcd_vector): Removed.
11832 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11833 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11835 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11837 * ipa-type-escape.c: Tidy some comments and white space.
11838 * tree-ssa-operands.c: Likewise.
11840 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11843 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11844 (dump_decl_name): Do not walk the decl tree chains.
11845 * tree-pass.h (TDF_CHAIN): Remove.
11847 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11849 * Makefile.in (C): Remove
11851 (.PHONY): Remove C and PROTO
11853 2006-02-20 Roger Sayle <roger@eyesopen.com>
11855 PR middle-end/26236
11856 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11857 deprecated CHAR_TYPE tree code.
11859 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11861 * configure.ac (target_list): Add install-info, dvi, html.
11862 * configure: Regenerate.
11864 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11865 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11866 treelang/Make-lang.in: Do not use double-colon rules.
11868 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11870 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11871 (TMT_USED_ALONE): New macro.
11872 * tree-pass.h (PROP_tmt_usage): New property.
11873 (TODO_update_tmt_usage): New todo.
11874 * tree-ssa-alias.c (updating_used_alone): New variable.
11875 (recalculate_used_alone): New function.
11876 (compute_may_aliases): Set updating_used_alone, call
11877 recalculate_used_alone.
11878 * tree-sra.c (pass_sra): Note that this pass destroys
11879 PROP_tmt_usage, and add TODO_update_tmt_usage.
11880 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11881 * tree-flow.h (updating_used_alone): Prototype.
11882 (recalculate_used_alone): Ditto.
11883 * passes.c (execute_todo): Add code to set updating_used_alone,
11884 and call recalculate.
11885 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11886 for clobber if used alone, and add assert to verify used_alone
11889 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11891 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11892 for non tls symbols added.
11893 (legitimize_address): Do nothing for PLUS expressions if one of the
11894 addends is a tls symbol reference.
11896 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11900 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11902 * Makefile.in (BOOTSTRAPPING): New.
11903 (quickstrap): New definition if BOOTSTRAPPING=yes.
11905 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11906 * configure.ac: Substitute all_selected_languages with the languages
11907 that were configured. For all the other variables except
11908 lang_specs_files, include all the languages in the tree.
11909 * configure: Regenerate.
11911 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11912 if there is one. Run the commands to run fixincludes in the same
11915 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11916 * doc/install.texi: Document exact conventions for searching target tools.
11917 Document --with-build-time-tools. Document toplevel bootstrap. Document
11918 something more about building an Ada cross-compiler. Don't list GNU Make
11919 requirements which affect all platforms.
11921 2006-02-19 Roger Sayle <roger@eyesopen.com>
11923 PR middle-end/19543
11924 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11925 only equivalent if the have both the same mode and precision.
11927 2006-02-20 Ben Elliston <bje@au.ibm.com>
11929 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11931 2006-02-19 Roger Sayle <roger@eyesopen.com>
11932 Steven Bosscher <stevenb.gcc@gmail.com>
11934 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11935 constant pool references to identify stack mode constants.
11936 * rtlanal.c (constant_pool_constant_p): New predicate to check
11937 whether operand is a floating point constant in the pool.
11938 * rtl.h (constant_pool_constant_p): Prototype here.
11939 * loop.c (scan_loop): Avoid hoisting constants from the constant
11940 pool on STACK_REGS targets.
11941 (load_mems): Likewise.
11942 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11943 loads into x87 registers expensive in terms of register pressure.
11945 2006-02-19 Roger Sayle <roger@eyesopen.com>
11947 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11948 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11950 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11952 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11953 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11955 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11957 * doc/invoke.texi: Document -fipa-pta.
11958 * common.opt: Add ipa-pta option.
11959 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11960 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11961 (do_ds_constraint): Ditto.
11962 (get_constraint_for): Only add to referenced_vars if
11963 referenced_vars exists.
11964 (insert_into_field_list): Rewrite to do this unsorted.
11965 (insert_into_field_list_sorted): Rename old insert_into_field_list
11967 (create_function_info_for): Use insert_into_field_list_sorted.
11968 (create_variable_info_for): Rewrite so it uses unsorted version,
11969 since the field list is sorted.
11970 (intra_create_variable_infos): Only add to referenced_vars if
11971 referenced_vars exists.
11972 (ipa_pta_execute): Init heapvars, and delete when done.
11973 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11975 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11977 * doc/install.texi: Add missing `@samp'.
11979 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11981 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11984 2006-02-18 Mark Wielaard <mark@klomp.org>
11986 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11987 who added new 4.1 features, bug fixes and integration support.
11989 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11992 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11993 MEM for ABI_V4 pic.
11995 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11997 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11998 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11999 (copy_insn_1): Likewise. Don't copy each field individually.
12001 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
12003 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
12004 * rtl.c (rtx_size): Rename variable to...
12005 (rtx_code_size): ...this.
12006 (rtx_size): New function.
12007 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
12008 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
12010 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
12011 * rtl.h (rtx_code_size): New variable.
12012 (rtx_size): Change from a variable to a function.
12013 (RTX_SIZE): Rename to...
12014 (RTX_CODE_SIZE): ...this.
12017 PR tree-optimization/17106
12018 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
12019 (Anchored Addresses): New section.
12020 * doc/invoke.texi (-fsection-anchors): Document.
12021 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
12022 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
12023 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
12024 * hooks.c (hook_bool_mode_rtx_false): New function.
12025 * hooks.h (hook_bool_mode_rtx_false): Declare.
12026 * gengtype.c (create_optional_field): New function.
12027 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
12028 SYMBOL_REF_IN_BLOCK_P is true.
12029 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
12030 (min_anchor_offset, max_anchor_offset): Likewise.
12031 (use_anchors_for_symbol_p): New hook.
12032 * toplev.c (compile_file): Call output_object_blocks.
12033 (target_supports_section_anchors_p): New function.
12034 (process_options): Check that -fsection-anchors is only used on
12035 targets that support it and when -funit-at-a-time is in effect.
12036 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
12037 if the decl doesn't have one.
12038 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
12039 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
12040 of force_const_mem through use_anchored_address.
12041 (expand_expr_constant): New function.
12042 (expand_expr_addr_expr_1): Call it. Use the same modifier when
12043 calling expand_expr for INDIRECT_REF.
12044 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
12045 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
12046 * expr.h (use_anchored_address): Declare.
12047 * loop-unroll.c: Don't declare rtx vectors here.
12048 * explow.c: Include output.h.
12049 (validize_mem): Call use_anchored_address.
12050 (use_anchored_address): New function.
12051 * common.opt (-fsection-anchors): New switch.
12052 * varasm.c (object_block_htab, anchor_labelno): New variables.
12053 (hash_section, object_block_entry_eq, object_block_entry_hash)
12054 (use_object_blocks_p, get_block_for_section, create_block_symbol)
12055 (use_blocks_for_decl_p, change_symbol_section): New functions.
12056 (get_variable_section): New function, split out from assemble_variable.
12057 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
12058 use_blocks_for_decl_p say so. Use change_symbol_section if the
12059 symbol has already been created.
12060 (assemble_variable_contents): New function, split out from...
12061 (assemble_variable): ...here. Don't output any code for
12062 block symbols; just pass them to place_block_symbol.
12063 Use get_variable_section and assemble_variable_contents.
12064 (get_constant_alignment, get_constant_section, get_constant_size): New
12065 functions, split from output_constant_def_contents.
12066 (build_constant_desc): Create a block symbol if use_object_blocks_p
12067 says so. Or into SYMBOL_REF_FLAGS.
12068 (assemble_constant_contents): New function, split from...
12069 (output_constant_def_contents): ...here. Don't output any code
12070 for block symbols; just pass them to place_section_symbol.
12071 Use get_constant_section and get_constant_alignment.
12072 (force_const_mem): Create a block symbol if use_object_blocks_p and
12073 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
12074 (output_constant_pool_1): Add an explicit alignment argument.
12075 Don't switch sections here.
12076 (output_constant_pool): Adjust call to output_constant_pool_1.
12077 Switch sections here instead. Don't output anything for block symbols;
12078 just pass them to place_block_symbol.
12079 (init_varasm_once): Initialize object_block_htab.
12080 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
12081 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
12082 (place_block_symbol, get_section_anchor, output_object_block)
12083 (output_object_block_htab, output_object_blocks): New functions.
12084 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
12085 (TARGET_ASM_OUT): Include it.
12086 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
12087 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
12088 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
12089 (TARGET_INITIALIZER): Include them.
12090 * rtl.c (rtl_check_failed_block_symbol): New function.
12091 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
12092 (block_symbol, object_block): New structures.
12093 (rtx_def): Add a block_symbol field to the union.
12094 (BLOCK_SYMBOL_CHECK): New macro.
12095 (rtl_check_failed_block_symbol): Declare.
12096 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
12097 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
12098 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
12099 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
12100 * output.h (output_section_symbols): Declare.
12101 (object_block): Name structure.
12102 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
12103 (default_use_anchors_for_symbol_p): Declare.
12104 * Makefile.in (RTL_BASE_H): Add vec.h.
12105 (explow.o): Depend on output.h.
12106 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
12107 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12108 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12109 (rs6000_use_blocks_for_constant_p): New function.
12111 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12113 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
12115 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
12118 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
12121 2006-02-18 Diego Novillo <dnovillo@redhat.com>
12123 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
12127 2006-02-18 Jakub Jelinek <jakub@redhat.com>
12129 PR middle-end/26334
12130 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
12131 instead of DECL_REGISTER.
12133 2006-02-18 Olivier Hainque <hainque@adacore.com>
12136 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
12138 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
12141 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
12142 * opth-gen.awk: Handle Var and InverseMask together.
12143 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
12144 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
12145 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
12146 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
12148 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12149 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12150 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
12151 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12152 LINUX_DYNAMIC_LINKER): Define.
12153 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
12154 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
12156 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12157 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
12158 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12159 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12160 (TARGET_C99_FUNCTIONS): Don't define.
12161 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
12162 GLIBC_DYNAMIC_LINKER.
12163 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
12164 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
12165 GLIBC_DYNAMIC_LINKER64): Define.
12166 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12167 LINUX_DYNAMIC_LINKER64.
12168 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12169 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12170 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
12171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12172 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12173 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12174 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
12175 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
12176 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
12177 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
12178 and LINUX_DYNAMIC_LINKER32.
12179 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12180 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12181 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
12182 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12183 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
12185 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
12186 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
12187 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
12188 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12189 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12190 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
12191 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
12192 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
12193 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12194 LINUX_DYNAMIC_LINKER): Define.
12195 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
12196 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
12197 GLIBC_DYNAMIC_LINKER64): Define.
12198 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
12199 LINUX_DYNAMIC_LINKER64.
12200 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12201 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12202 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
12203 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
12204 LINUX_DYNAMIC_LINKER): Define.
12205 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12206 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12207 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
12208 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
12209 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
12210 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
12211 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
12212 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
12213 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
12214 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12215 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12216 * doc/invoke.texi (-muclibc): Remove caveat about supported
12219 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
12221 * doc/cpp.texi (__TIMESTAMP__): Document.
12223 2006-02-17 Roger Sayle <roger@eyesopen.com>
12225 PR middle-end/25600
12226 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
12227 C is one less than the width of X (and related transformations).
12228 * simplify-rtx.c (simplify_unary_operation_1): Transform
12229 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
12230 depending on STORE_FLAG_VALUE, were C is one less then the
12233 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
12235 Fix PR tree-optimization/26341
12236 * tree-ssa-operands.c (add_virtual_operand): Remove assert
12237 about NAME_MEMORY_TAG's.
12239 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12242 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
12243 with hardware float support, and software float support. Add fcpy
12244 alternative to hardware patterns. Add alternatives to copy between
12245 general and floating-point registers to the 32-bit pattern.
12246 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
12247 secondary reload to load a QI or HI mode constant into a floating
12249 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
12250 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
12252 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
12255 * config/rs6000/darwin.md (load_macho_picbase_si): Add
12257 (load_macho_picbase_di): Likewise.
12259 2006-02-16 Jeff Law <law@redhat.com>
12261 * tree-vrp.c (set_value_range_to_nonnegative): New function.
12262 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
12263 (ssa_name_nonzero_p): Likewise.
12264 (get_value_range): Return NULL if VRP is not running.
12265 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
12266 VRP routines do not discover a range.
12267 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
12268 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
12269 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
12270 (tree_expr_nonnegative_p): Similarly.
12271 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
12272 (restore_nonzero_vars_to_original_value): Remove.
12273 (unsafe_associative_fp_binop): Remove.
12274 (tree_ssa_dominator_optimize): Remove initialization and
12275 finalization of nonzero_vars and nonzero_vars_stack.
12276 (dom_opt_initialize_block): No longer push marker on
12277 nonzero_vars_stack.
12278 (dom_opt_finalize_block): No longer call
12279 restore_nonzero_vars_to_original_value.
12280 (record_equivalences_from_phis): No longer look for
12281 nonzero PHI arguments.
12282 (cprop_into_successor_phis): No longer propagate nonzero
12283 property into PHI arguments. Lose unused argument. Caller
12285 (record_equivalences_from_stmt): No longer record nonzero
12286 values for SSA_NAMEs.
12287 (lookup_avail_expr): No longer use nonzero_vars.
12289 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
12290 for sizetype when sizetype is unsigned.
12292 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
12294 PR rtl-optimization/25603
12295 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
12296 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
12297 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
12298 with new meaning of SETS.
12300 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
12305 * config/linux.opt: New file.
12306 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
12307 LINUX_DYNAMIC_LINKER): Define.
12308 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
12309 * config.gcc (*-*-linux*): Define extra_options.
12310 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
12311 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
12312 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
12313 GLIBC_DYNAMIC_LINKER.
12314 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
12315 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12316 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
12317 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
12318 * doc/invoke.texi (GNU/Linux Options): New section.
12320 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
12322 * config/sparc/sparc.md (setjmp): Rewrite.
12323 (setjmp_32): Delete.
12324 (setjmp_64): Likewise.
12326 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
12328 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
12331 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12333 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
12336 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
12338 PR rtl-optimization/26296
12339 * Makefile.in (loop-invariant.c): Add except.h dependency.
12340 * loop-invariant.c: Include except.h.
12341 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
12343 2005-02-16 Paul Brook <paul@codesourcery.com>
12345 * reload1.c (emit_reload_insns): Invalidate dead input registers used
12348 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
12350 PR rtl-optimization/25636
12351 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
12352 when deciding whether an insn is an initializing insn.
12354 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
12356 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
12357 (tree_code_size): Ditto.
12358 * tree.h (struct tree_memory_tag): Remove parent_var.
12359 (struct tree_struct_field_tag): New.
12362 (union tree_node): Add sft member.
12363 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
12365 (create_sft): Add size and offset argument, set SFT_OFFSET and
12367 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
12368 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
12369 * tree-flow-inline.h (get_subvar_at): Update for
12370 SFT_OFFSET/SFT_SIZE.
12371 (var_can_have_subvars): Ditto.
12372 (overlap_subvar): Ditto.
12373 * print-tree.c (print_node): Print out interesting things for
12375 * tree-flow.h (struct subvar): Remove offset and size members.
12376 * tree-ssa-operands.c (get_expr_operands): Update for
12377 get_indirect_ref_operands changes.
12378 (get_indirect_ref_operands): Call add_virtual_operand instead of
12379 add_stmt_operand. Only recurse on base var if requested.
12380 (access_can_touch_variable): New function.
12381 (add_stmt_operand): Split virtual operand handling into ...
12382 (add_virtual_operand): Here. Add offset, size, and for_clobber
12383 arguments. Prune alias sets.
12384 (add_call_clobber_ops): Call add_virtual_operand.
12386 2006-02-15 Jakub Jelinek <jakub@redhat.com>
12388 PR middle-end/26300
12389 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
12391 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
12392 than TREE_CODE as index into omp_clause_num_ops array.
12394 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
12396 PR rtl-optimization/26184
12397 * modulo-sched.c (generate_reg_moves): Free bitmap vector
12399 * modulo-sched.c (sms_schedule): Free g_arr pointer.
12400 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
12401 must_precede, must_follow and tobe_scheduled.
12404 * opts.c (common_handle_option): Free new_option pointer.
12405 * df-core.c (df_analyze): Free postorder pointer.
12407 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
12409 * Makefile.in: Fix the examples about the use of stamps
12411 2006-02-15 Michael Matz <matz@suse.de>
12413 PR middle-end/22275
12415 * stor-layout.c (layout_decl): Zero-width bitfields aren't
12416 influenced by maximum_field_alignment or DECL_PACKED.
12417 (update_alignment_for_field): Ditto.
12418 (place_field): Ditto.
12419 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
12422 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
12424 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
12425 (debug_flow_info): Pass it.
12426 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
12427 * bb-reorder.c (reorder_basic_blocks): Likewise.
12428 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
12429 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
12430 * flow.c (life_analysis, recompute_reg_usage): Likewise.
12431 * gcse.c (gcse_main, bypass_jumps): Likewise.
12432 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
12433 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
12434 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
12435 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
12436 * rtl.h (dump_flow_info): Adjust prototype.
12437 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
12438 * var-tracking.c (variable_tracking_main): Likewise.
12439 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
12440 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
12443 2006-02-15 Marcin Dalecki <martin@dalecki.de>
12445 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
12448 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12450 PR tree-optimization/26209
12451 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
12452 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
12454 * tree-cfg.c (replace_uses_by): Do not alter cfg.
12456 2006-02-14 Roger Sayle <roger@eyesopen.com>
12458 PR middle-end/23670
12459 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
12460 (X,Y) and the corresponding symmetry related transformations.
12461 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
12462 (X,Y) and its symmetry related transformations.
12464 2006-02-14 Roger Sayle <roger@eyesopen.com>
12466 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
12469 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
12471 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
12473 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12476 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
12477 support COMDAT group.
12478 * configure: Regenerate.
12480 2006-02-14 Roger Sayle <roger@eyesopen.com>
12482 PR middle-end/26279
12483 PR middle-end/26280
12484 PR middle-end/26283
12485 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
12487 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
12489 Fix PR tree-optimization/26260
12491 * doc/invoke.texi (max-fields-for-field-sensitive): Document
12493 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
12494 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
12495 * tree-ssa-structalias.c (create_variable_info_for): Use
12496 MAX_FIELDS_FOR_FIELD_SENSITIVE.
12498 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
12500 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
12502 * tree-ssa-loop-niter.c (number_of_iterations_ne,
12503 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
12504 of the ending condition.
12505 * tree-ssa-loop-manip.c: Include params.h.
12506 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
12507 tree_unroll_loop): New functions.
12508 * tree-pass.h (pass_loop_prefetch): Declare.
12509 * loop.c (rest_of_handle_loop_optimize): Test for
12510 -fprefetch-loop-arrays-rtl.
12511 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
12512 * timevar.def (TV_TREE_PREFETCH): New timevar.
12513 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
12514 pass_loop_prefetch): New.
12515 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
12516 (cleanup_tree_cfg_loop): Call scev_reset.
12517 * common.opt (fprefetch-loop-arrays-rtl): Add.
12518 * tree-ssa-loop-prefetch.c: New file.
12519 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
12520 (new_temp_expr_table): Initialize expr_vars.
12521 (free_temp_expr_table): Cleanup expr_vars.
12522 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
12523 expressions from being merged into one.
12524 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
12525 (struct tree_niter_desc): Add control, bound and cmp fields.
12526 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
12528 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
12529 (tree-cfgcleanup.o): Add SCEV_H dependency.
12530 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
12531 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
12533 2006-02-14 Richard Guenther <rguenther@suse.de>
12535 PR tree-optimization/26258
12536 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
12537 in PHI argument processing.
12539 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
12541 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
12542 new expression in the requested machine mode.
12544 2006-02-13 Roger Sayle <roger@eyesopen.com>
12546 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
12547 directly, instead let do_compare_rtx_and_jump handle this for us.
12548 * expr.c (expand_expr_real_1): Likewise.
12549 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
12550 before do_jump_by_parts_greater.
12551 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
12552 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
12554 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12556 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
12558 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12560 PR rtl-optimization/26235
12561 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
12562 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
12565 2006-02-13 Jeff Law <law@redhat.com>
12567 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
12570 2006-02-13 Jakub Jelinek <jakub@redhat.com>
12572 PR middle-end/26092
12573 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
12574 twice if decl is a builtin. When trying again, call get_callee_fndecl
12575 first to verify it is still a builtin.
12577 2006-02-13 Geoffrey Keating <geoffk@apple.com>
12579 * dwarf2out.c (base_type_die): Don't add AT_name here.
12580 (subrange_type_die): Don't add AT_name here.
12581 (modified_type_die): Rearrange code flow. Do add AT_name here.
12583 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12585 PR rtl-optimization/26247
12586 PR rtl-optimization/26248
12587 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12589 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12591 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12592 * config/fixtfdi.c: Likewise.
12593 * config/fixunstfdi.c: Likewise.
12594 * config/floatditf.c: Likewise.
12596 2006-02-13 Roger Sayle <roger@eyesopen.com>
12598 PR middle-end/24427
12599 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12600 into (X,C2) if C1 is a subset of the bits of C2. Transform
12601 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12603 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12605 2006-02-13 Josh Conner <jconner@apple.com>
12608 * varasm.c (function_section): Check for section name before
12609 calling select_section on targets that define
12610 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12611 unlikely_text_section instead of hot_function_section if
12612 first_function_block_is_cold.
12614 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12616 PR middle-end/25335
12617 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12619 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12621 PR rtl-optimization/26222
12622 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12623 after tree->rtl expansion.
12624 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12625 before passing it to emit_move_insn.
12627 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12629 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12631 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12632 Clarify documentation.
12633 * c-common.h (warn_write_strings): Remove.
12634 * c-common.c (warn_write_strings): Likewise.
12635 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12638 2006-02-12 Roger Sayle <roger@eyesopen.com>
12640 PR middle-end/25724
12641 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12642 (do_jump_parts_zero_rtx): New function renamed from
12643 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12644 (do_jump_parts_equality_rtx): New function split out from
12645 do_jump_parts_equality. Old implementation renamed as above.
12646 Call do_jump_parts_zero_rtx if either operand is zero.
12647 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12648 do all of the heavy lifting.
12649 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12650 calling either do_jump_by_parts_greater_rtx or
12651 do_jump_by_parts_equality_rtx.
12652 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12653 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12654 moved to do_compare_rtx_and_jump, call it directly.
12655 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12656 mode argument. Call do_compare_rtx_and_jump.
12657 (emit_case_nodes): Update calls to do_jump_if_equal.
12659 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12661 PR rtl-optimization/26225
12662 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12664 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12666 PR rtl-optimization/26232
12667 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12669 2006-02-11 Jason Merrill <jason@redhat.com>
12672 * tree-inline.c (declare_return_variable): Just don't use the
12673 modify target if it's a gimple complex reg and the return slot
12676 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12678 * doc/contrib.texi: Update my entry.
12680 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12682 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12684 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12686 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12689 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12691 * doc/invoke.texi (-floop-optimize2): Removed.
12692 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12693 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12694 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12695 * common.opt (floop-optimize2): Removed.
12696 (fmove-loop-invariants): Enabled by default.
12698 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12700 * tree-if-conv.c (combine_blocks): Free the result of
12701 get_loop_exit_edges.
12703 2006-02-10 Jeff Law <law@redhat.com>
12705 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12707 PR tree-optimization/26213
12708 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12709 loop trying to follow SSA_NAME_VALUE chains.
12711 2006-02-10 Richard Guenther <rguenther@suse.de>
12713 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12714 deal with structures that end in implicitly variable sized arrays.
12716 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12718 PR rtl-optimization/24762
12719 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12722 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12724 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12725 (struct ivopts_data): Add regs_used field.
12726 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12727 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12728 instead of loop_data->regs_used;
12729 (free_loop_data): Do not free aux fields for loops.
12730 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12731 and tree_ssa_iv_optimize_finalize.
12733 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12735 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12737 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12740 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12741 computing the effective result type.
12743 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12745 PR inline-asm/16194
12746 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12747 (tree_overlaps_hard_reg_set): Declare.
12748 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12749 type and signature to match function type expected by walk_tree.
12750 (tree_overlaps_hard_reg_set): New function.
12751 (decl_conflicts_with_clobbers_p): Rename to:
12752 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12753 Use tree_overlaps_hard_reg_set. Changed caller.
12754 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12755 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12756 * cris.c (cris_md_asm_clobbers): Likewise.
12758 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12760 * reload1.c (emit_input_reload_insns): Delete code that tries to
12761 inherit using find_equiv_reg.
12763 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12765 * c-common.h (flag_const_strings): Don't declare.
12766 * c-common.c (flag_const_strings): Remove.
12767 * c.opt (fconst_strings): Remove.
12768 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12769 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12770 (c_common_init_options): Don't set flag_const_strings.
12771 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12773 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12775 * arm.md (tlobits_cbranch): New pattern.
12776 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12777 testing a single bit.
12779 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12782 * tree-ssa-pre.c (create_component_ref_by_pieces):
12783 Handle RETURN_DECL like VAR_DECL.
12785 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12787 PR middle-end/26134
12788 * fold-const.c (fold_indirect_ref_1): Fold
12789 "*(foo *)&complexfoo" to "__real__ complexfoo"
12790 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12792 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12794 * tree-flow-inline.h (var_can_have_subvars):
12795 Volatile variables should not have subvariables.
12797 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12800 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12801 multiplying unsigned values.
12804 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12806 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12808 2006-02-08 Jason Merrill <jason@redhat.com>
12811 * tree.def: Elaborate on difference from MODIFY_EXPR.
12812 * doc/c-tree.texi (INIT_EXPR): Likewise.
12813 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12814 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12815 (gimplify_target_expr): Likewise.
12816 (gimplify_cond_expr): Remove target handling.
12817 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12818 (gimplify_expr): Clobber it here.
12819 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12820 Do return slot optimization if we have an INIT_EXPR.
12823 * tree-inline.c (declare_return_variable): Also clear
12824 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12827 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12829 PR middle-end/22439
12830 * gimplify.c (gimplify_one_sizepos): Fix typo.
12832 2006-02-08 Jeff Law <law@redhat.com>
12834 PR tree-optimization/21417
12835 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12836 across a backedge if the control statement at the end of the
12837 block is data dependent on other statements in the same block.
12838 (record_temporary_equivalences_from_stmts): Remove over-conservative
12839 test for threading across backedges.
12841 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12842 control statement, handle all three special cases in the same
12843 manner as they all have the same desired solution. No longer
12844 special case edge flag updating when the post dominator is
12847 2006-02-08 Roger Sayle <roger@eyesopen.com>
12849 * tree.def (CHAR_TYPE): Remove.
12850 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12851 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12852 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12853 (gen_string_type_die): Delete unreachable function.
12855 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12856 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12857 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12858 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12859 * builtins.c (type_to_class): Likewise.
12860 * fold-const.c (fold_convert, build_range_check,
12861 merge_ranges): Likewise.
12862 * expr.c (count_type_elements): Likewise.
12863 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12864 * stor-layout.c (layout_type): Likewise.
12865 * ipa-type-escape.c (type_to_consider): Likewise.
12866 * gimplify.c (omp_firstprivatize_type_sizes,
12867 gimplify_type_sizes): Likewise.
12868 * explow.c (promote_mode): Likewise.
12869 * tree-sra.c (is_sra_scalar_type): Likewise.
12870 * varasm.c (output_constant): Likewise.
12871 * tree-inline.c (remap_type_1): Likewise.
12872 * convert.c (convert_to_pointer, convert_to_real,
12873 convert_to_integer, convert_to_complex): Likewise.
12875 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12877 * df-scan.c (df_def_record_1): A set destination may
12878 be a parallel regardless of mode.
12880 2006-02-08 Roger Sayle <roger@eyesopen.com>
12883 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12884 * config/mips/_tilib.c: Remove.
12885 * config/fixtfdi.c: New libgcc source file.
12886 * config/fixunstfdi.c: New source file.
12887 * config/floatditf.c: New source file.
12888 * config/floatunditf.c: New souce file.
12889 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12890 files above instead of config/mips/_tilib.c.
12891 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12893 2006-02-08 Jeff Law <law@redhat.com>
12895 PR tree-optimization/26169
12896 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12899 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12901 * df.h (DF_REG_SIZE): Return the length of the initialized
12904 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12906 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12907 __muldf3): Return a correctly signed zero.
12909 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12911 * passes.c (register_one_dump_file): Accept the current properties
12912 instead of pass number. Adjust call to dump_register. Remove
12914 (register_dump_files): Now a wrapper around...
12915 (register_dump_files_1): ... this one. Do not modify the pass
12917 (next_pass_1): Cosmetic fix.
12918 (execute_todo): Keep second parameter only. Use curr_properties
12919 instead of fetching it from the pass structure. Check and set
12921 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12922 instead of fetching it from the pass structure. Fix calls to
12923 execute_todo. Update curr_properties and initialize .vcg RTL dump
12924 after running the pass. Reset last_verified.
12925 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12927 (FIRST_AUTO_NUMBERED_DUMP): New.
12928 (dump_register): Remove "num" parameter, assign it within the
12930 (get_dump_file_name): Modify template for dumps.
12931 * tree-dump.h (dump_register): Adjust prototype.
12932 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12933 (PROP_trees): Add PROP_gimple_lomp.
12934 (TODO_set_props): New.
12935 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12936 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12937 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12939 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12941 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12942 (sparc64-*-linux*): Likewise.
12943 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12944 * config/sparc/t-linux: New file.
12945 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12946 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12947 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12948 -m32 -mlong-double-128.
12950 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12951 * config/alpha/t-linux: New file.
12952 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12954 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12955 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12956 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12957 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12958 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12959 (CPP_ARCH32_SPEC): Remove.
12961 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12963 PR tree-optimization/26145
12964 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12967 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12970 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12971 >= 240000 when generating code for SOM runtime.
12972 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12973 to $$dyncall when generating code for SOM runtime..
12975 2006-02-07 Dirk Mueller <dmueller@suse.com>
12978 * doc/invoke.texi (-Wsequence-point): Update documentation
12979 that -Wsequence-point is implemented for C++ as well.
12981 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12983 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12984 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12985 (LIB_SPEC): Likewise.
12986 * doc/invoke.texi (SPARC options): Document -pthread.
12988 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12990 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12993 2006-02-07 Roger Sayle <roger@eyesopen.com>
12995 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12996 Correct comment describing BOOLEAN_TYPE.
12998 2006-02-07 Dirk Mueller <dmueller@suse.com>
13000 * c.opt: C++ frontend supports -Wdiv-by-zero.
13001 * c-opts.c (c_common_handle_option): Remove dead case.
13003 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13005 * configure.ac (TLS assembler check): Do not enable TLS by
13006 default on SPARC/Solaris before version 10.
13007 * configure: Regenerate.
13009 2006-02-07 David Edelsohn <edelsohn@gnu.org>
13011 * doc/invoke.texi (xl-compat): Document conversion and support
13014 2006-02-07 Jeff Law <law@redhat.com>
13016 * tree-vrp.c (find_conditional_asserts): Update comments.
13017 (simplify_stmt_for_jump_threading): New.
13018 (identify_jump_threads, finalize_jump_threads): New.
13019 (vrp_finalize): Call identify_jump_threads.
13020 (execute_vrp): Call finalize_jump_threads.
13021 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
13022 (vrp_element, vrp_data, vrp_element_p): Remove.
13023 (vrp_hash_elt, vrp_variables_stack): Remove.
13024 (vrp_hash, vrp_eq, record_range): Remove.
13025 (simplify_cond_and_lookup_avail_expr): Remove.
13026 (extract_range_from_cond): Remove.
13027 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
13028 (simplify_stmt_for_jump_threading): New.
13029 (dom_thread_across_edge): New wrapper.
13030 (tree_ssa_dominator_optimize): No longer initialize or
13031 finalize any of the VRP datastructures. Remove iteration
13032 step and simplify as a result of removal of iteration step.
13033 (pass_dominator): Perform a cfg cleanup after DOM.
13034 (dom_opt_finalize_block): Use the new common routines
13035 for threading jumps. Simplify stack management slightly.
13036 No longer need to unwind VRP state.
13037 (record_equivalences_from_incoming_edge): No longer record
13039 (eliminate_redundant_computations): No longer call
13040 simplify_cond_and_lookup_avail_expr.
13041 * tree-flow.h (potentially_threadable_block): Prototype.
13042 (thread_across_edge): Likewise.
13043 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
13044 (tree-ssa-threadedge.o): Add dependencies.
13045 * tree-ssa-threadedge.c: New file.
13046 * passes.c (init_optimization_passes): Merge PHIs before
13047 calling VRP. Run VRP again late in the SSA optimization pipeline.
13049 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
13051 * df-core.c (df_set_blocks): Do not dereference function pointers.
13052 (df_finish1): Likewise.
13053 (df_hybrid_search_forward): Likewise.
13054 (df_hybrid_search_backward): Likewise.
13055 (df_iterative_dataflow): Likewise.
13056 (df_analyze_problem): Likewise.
13057 (df_compact_blocks): Likewise.
13058 (df_dump): Likewise.
13059 * df-scan.c (df_rescan_blocks): Likewise.
13060 (df_record_entry_block_defs): Likewise.
13062 * genconditions.c (write_conditions): Guard the definition of
13063 'insn_conditions' with the check on GCC version.
13064 (write_writer): Guard the traversal 'insn_conditions' with
13065 the check on GCC version.
13067 2006-02-07 Richard Guenther <rguenther@suse.de>
13071 2006-01-30 Richard Guenther <rguenther@suse.de>
13073 * gimplify.c (gimplify_target_expr): Handle easy cases
13074 without creating a temporary.
13076 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
13078 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
13079 use of float in probability computations. Use edge probabilities
13080 in place of statically computed probabilities.
13081 (min_spec_prob): New static variable.
13082 (schedule_insns): Initialize it.
13083 (GET_SRC_PROB): Removed.
13084 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
13086 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
13089 * config/ia64/unwind-ia64.c: Revert last change.
13090 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
13091 (INCOMING_FRAME_SP_OFFSET): Define.
13093 2006-02-06 Roger Sayle <roger@eyesopen.com>
13095 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
13097 2006-02-07 Ben Elliston <bje@au.ibm.com>
13099 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
13100 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
13101 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
13102 (ix86_return_in_memory): Handle TDmode.
13103 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
13104 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
13106 2006-02-06 Richard Sandiford <richard@codesourcery.com>
13108 * reorg.c (dbr_schedule): Use dump_file instead of file.
13110 2006-02-06 Steve Ellcey <sje@cup.hp.com>
13113 * config/ia64/predicates.md (extr_len_operand): New predicate.
13114 * config/ia64/ia64.md (extv): Tighten constraints.
13116 (*tbit_and_2): Ditto.
13117 (*tbit_and_3): Ditto.
13118 (*tbit_or_2): Ditto.
13119 (*tbit_or_3): Ditto.
13120 (*bit_zero): Ditto.
13123 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
13126 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
13128 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
13130 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
13131 loop_optimizer_init and loop_optimizer_finalize
13132 * tree-ssa-sink.c (execute_sink_code): Ditto.
13133 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13134 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
13135 tree_ssa_loop_done): Ditto.
13136 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
13137 * sched-ebb.c: Include output.h.
13138 (schedule_ebbs): Do not use dump argument.
13139 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
13140 * loop.c (loop_dump_stream): Removed.
13141 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
13143 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
13144 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
13145 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
13146 loop_iterations, strength_reduce, record_biv, record_giv,
13147 final_giv_value, check_final_value, check_ext_dependent_givs,
13148 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
13149 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
13150 dump_file instead of loop_dump_stream.
13151 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
13152 argument dump_file.
13153 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
13155 * flow.c (life_analysis, rest_of_handle_life): Ditto.
13156 * haifa-sched.c: Include output.h
13157 (schedule_insns, sched_init): Do not use dump argument.
13158 * mode-switching.c (optimize_mode_switching): Ditto.
13159 * modulo-sched.c (stats_file): Removed.
13160 (print_node_sched_params): Do not call argument dump_file.
13161 (sms_schedule_by_order, loop_canon_p, sms_schedule,
13162 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
13164 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
13166 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
13167 rtl_loop_init, rtl_loop_done): Ditto.
13168 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
13169 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
13171 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
13172 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
13173 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
13174 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
13175 * emit-rtl.c (renumber_insns): Ditto.
13176 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
13177 expand_gimple_basic_block, tree_expand_cfg): Ditto.
13178 * regclass.c (regclass): Ditto.
13179 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
13180 remove_ssa_form, rewrite_out_of_ssa): Ditto.
13181 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
13182 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
13184 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
13185 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
13187 * gcse.c (gcse_file, debug_stderr): Removed.
13188 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
13189 rest_of_handle_gcse): Do not use dump argument.
13190 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
13191 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
13192 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
13193 compute_code_hoist_vbeinout, compute_code_hoist_data,
13194 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
13195 compute_store_table, build_store_vectors, insert_insn_start_bb,
13196 insert_store, remove_reachable_equiv_notes, replace_store_insn,
13197 store_motion): Use dump_file instead of gcse_file.
13198 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
13199 * profile.c (profile_dump_file): Removed.
13200 (branch_prob): Use dump_file instead of profile_dump_file.
13201 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
13203 * tree-ssa-copy.c (dump_copy_of): Ditto.
13204 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
13205 dump file to life_analysis.
13206 * bt-load.c (branch_target_load_optimize): Ditto.
13207 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
13209 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
13210 regclass, dbr_schedule): Declaration changed.
13211 * sched-int.h (sched_init): Declaration changed.
13212 * tree-profile.c (tree_profile_dump_file): Removed.
13213 (tree_profile_hooks): Removed profile_dump_file hook.
13214 * rtl-profile (rtl_profile_dump_file): Removed.
13215 (rtl_profile_hooks): emoved profile_dump_file hook.
13216 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
13218 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
13219 * tree-cfg.c (build_tree_cfg): Ditto.
13220 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
13221 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
13222 Declaration changed.
13223 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
13224 life_analysis and schedule_insns.
13225 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
13227 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
13229 * config/mips/mips.c (mips_reorg): Ditto.
13230 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
13233 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
13235 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13236 (s390_mangle_fundamental_type): New.
13237 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13240 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13241 (alpha_mangle_fundamental_type): New.
13242 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13245 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13247 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
13249 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
13250 (sparc_mangle_fundamental_type): New.
13252 2006-02-06 Jakub Jelinek <jakub@redhat.com>
13254 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
13255 (s390x-*-linux*): Likewise.
13256 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
13257 * config/s390/t-linux: New file.
13259 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13261 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
13262 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
13264 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
13266 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
13267 (ANTIC_SAFE_LOADS): New macro.
13268 (find_or_generate_expression): Add prototype.
13269 (set_contains_value): Allow null set for sake of not always having
13270 to allocate ANTIC_SAFE_LOADS.
13271 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
13272 Allow COMPONENT_REF too.
13273 (valid_in_set): Allow COMPONENT_REF.
13274 Check ANTIC_SAFE_LOADS too.
13275 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
13276 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
13278 (can_PRE_operation): Add COMPONENT_REF.
13279 (create_component_ref_by_pieces): New function.
13280 (create_expression_by_pieces): Use create_component_ref_by_pieces.
13281 (insert_aux): Move AGGREGATE_TYPE_P check here.
13282 (compute_avail): Set bb local stmt uids.
13283 (pass_pre): Use TODO_update_ssa_only_virtuals.
13285 2006-02-06 Ben Elliston <bje@au.ibm.com>
13287 * configure.ac: Unconditionally disable decimal float by default.
13288 * configure: Regenerate.
13290 2006-02-06 Ben Elliston <bje@au.ibm.com>
13292 * read-rtl.c (read_name): Terminate reading on EOF.
13294 2006-02-06 Ben Elliston <bje@au.ibm.com>
13296 * dfp.c (decimal_real_arithmetic): Change second argument type
13297 from int to enum tree_code. Do not always return true, but now
13298 return result of any call to decimal_do helper functions.
13299 * dfp.h (decimal_real_arithmetic): Update prototype.
13301 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
13303 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
13305 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
13308 * tree-cfg.c (cleanup_dead_labels): Also don't remove
13311 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13313 * tree-vrp.c (cfg_loops): Removed.
13314 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
13315 Use current_loops instead of cfg_loops. Pass flags to
13316 loop_optimizer_init.
13317 * cfgloopmanip.c (fix_loop_structure): Update only available
13319 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
13320 loop_optimizer_init.
13321 * modulo-sched.c (build_loops_structure): Removed.
13322 (sms_schedule): Use loop_optimizer_init.
13323 * loop-init.c (loop_optimizer_init): Use flags to determine
13324 which properties of loops to prepare.
13325 (rtl_loop_init): Pass flags to loop_optimizer_init.
13326 * tree-ssa-sink.c (execute_sink_code): Ditto.
13327 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
13328 * tree-ssa-pre.c (init_pre): Ditto.
13329 * cfgloop.h (LOOPS_NORMAL): New.
13330 (loop_optimizer_init): Declaration changed.
13332 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13334 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
13335 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
13337 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
13339 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
13341 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
13342 * pa/t-pa64: Delete quadlib.c rule.
13343 * pa/x-ada: Revert last change.
13344 * pa/t-pa: Revert last change. Delete quadlib.c rule.
13346 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
13348 PR rtl-optimization/26087
13349 * rtlanal.c (canonicalize_condition): Do not cross basic block
13352 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
13355 * config/ia64/ia64.c: Include debug.h.
13356 (MAX_ARTIFICIAL_LABEL_BYTES): New.
13357 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
13358 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
13359 (process_epilogue, process_set, process_for_unwind_directive):
13360 Output unwind info only if requested. Add CFA info if requested.
13361 Add new arguments as needed. Adjust callers.
13362 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
13364 (DWARF2_FRAME_INFO): Define to zero.
13365 * config/ia64/unwind-ia64.c: Remove code that compensated for
13366 the CFA offset error fixed above.
13367 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
13368 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
13369 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
13370 -funwind-tables and -fexceptions to enable frame info.
13371 (dwarf2out_frame_init): Define initial CFA even if
13372 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
13373 DWARF2_UNWIND_INFO is nonzero, not just defined.
13374 (dwarf2out_frame_finish): Output non-EH call frame info only
13375 if DWARF2_FRAME_INFO is nonzero.
13376 (convert_cfa_to_loc_list,
13377 compute_frame_pointer_to_cfa_displacement): Define even if
13378 unwind info is not supported.
13379 (gen_subprogram_die): Use the above unconditionally. Remove
13380 legacy alternate code.
13381 * toplev.c (compile_file): Compile in call to
13382 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
13383 (lang_dependent_init): Ditto for dwarf2out_frame_init.
13385 2006-02-04 David Edelsohn <edelsohn@gnu.org>
13386 Jakub Jelinek <jakub@redhat.com>
13388 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
13389 IBM extended float format long double as "g" on powerpc*-linux.
13391 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13394 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
13395 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
13397 2006-02-03 Jason Merrill <jason@redhat.com>
13400 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
13402 PR middle-end/25977
13403 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
13404 on the return slot if it's an NRV.
13406 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
13408 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
13409 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
13410 rewrite_use): Do not handle USE_OUTER.
13411 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
13412 add_iv_outer_candidates, may_replace_final_value,
13413 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
13414 (find_interesting_uses_op): Functionality of
13415 find_interesting_uses_outer_or_nonlin moved here.
13416 (find_interesting_uses_outside): Use find_interesting_uses_op.
13418 2006-02-03 Alan Modra <amodra@bigpond.net.au>
13421 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
13423 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
13424 Ulrich Weigand <uweigand@de.ibm.com>
13427 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
13428 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
13429 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
13430 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
13432 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
13433 (s390_rtx_costs): Use the new fields to calculate rtx costs.
13434 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
13435 Define secondary reloads for TFmode moves.
13436 (constant_modes): Add TFmode.
13437 (NR_C_MODES): Set to 8.
13438 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
13440 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
13441 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
13442 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
13443 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
13444 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
13445 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
13446 (FPR mode macro): Add TFmode.
13447 (DSF mode macro): New.
13448 (<de>, <dee> mode attributes): Removed.
13449 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
13450 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
13451 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
13452 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
13453 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
13454 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
13455 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
13456 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
13457 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
13458 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
13459 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
13460 "*negabs<mode>2", "sqrt<mode>2"):
13461 Changed <de> to <xde>. R constraint replaced by <Rf>.
13462 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
13464 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
13465 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
13466 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
13468 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
13469 "extenddftf2", "extendsftf2"): New expanders.
13470 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
13471 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
13472 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
13473 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
13475 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
13476 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
13477 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
13478 __floatditf): Add a GCC_4.1.0 symbol version tag.
13479 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
13482 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
13485 * config/i386/i386.c (ix86_function_ok_for_sibcall):
13486 Use targetm.binds_local_p instead of TREE_PUBLIC.
13488 2006-02-02 Roger Sayle <roger@eyesopen.com>
13490 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
13491 on INTEGER_TYPEs to indicate that it denotes a character type.
13492 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
13493 signed_char_type_node, unsigned_char_type_node and char_type_node.
13494 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
13495 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
13496 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
13498 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
13499 Daniel Berlin <dberlin@dberlin.org>
13501 * tree-tailcall.c (arg_needs_copy_p): New function.
13502 (eliminate_tail_call): Use arg_needs_copy_p.
13503 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
13504 (add_virtual_phis): New function.
13506 2006-02-02 Jakub Jelinek <jakub@redhat.com>
13508 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
13509 #ignore instead of #scratch for %g7 .register directive.
13511 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
13513 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
13516 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
13518 * flow.c (calculate_global_regs_live): Assert that there aren't any
13521 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
13523 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
13524 what its name says.
13525 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
13526 bsi_after_labels iterator.
13527 * tree-if-conv.c (find_phi_replacement_condition,
13528 replace_phi_with_cond_modify_expr): Likewise.
13529 * tree-scalar-evolution.c (scev_const_prop): Likewise.
13530 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
13532 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13534 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
13536 2006-02-02 Diego Novillo <dnovillo@redhat.com>
13539 * tree-cfg.c (move_block_to_fn): Clear out the basic block
13540 array after growing it.
13542 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13544 PR middle-end/24901
13545 * fold-const.c (fold_checksum_tree): Change type of buf.
13547 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
13549 * reload.c (push_secondary_reload): Initialize t_icode.
13551 2006-02-01 Jakub Jelinek <jakub@redhat.com>
13553 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
13554 -msoft-float -mlong-double-128 only issue a warning, but don't
13555 swich to DFmode long double.
13557 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
13559 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
13560 has a constant equivalent, iterate over equivalents for arg0,
13561 calling simplify_relational_operation and if there's a result
13562 cheaper than X, apply fold_rtx and return the result.
13564 2006-02-01 Jan Hubicka <jh@suse.cz>
13566 * opts.c (no_unit_at_a_time_default): New global variable.
13567 (decode_options): Use it.
13568 * opts.h (no_unit_at_a_time_default): Declare.
13570 2006-02-01 Paul Brook <paul@codesourcery.com>
13572 * function.c (assign_parm_setup_reg): Use function argument promotion
13574 * expr.c (expand_expr_real_1): Use function argument promotion rules
13577 2006-02-01 Steve Ellcey <sje@cup.hp.com>
13579 * gcc.c (process_command): Change j to 'unsigned int'.
13581 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13583 PR middle-end/26001
13584 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13585 Use the corrected index for the character
13586 out of the string constant.
13588 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13590 * mode-switching.c (optimize_mode_switching): Fix size
13591 allocated for bb_info[n_entities].
13593 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13595 * gcc.c (main): Correct type that is allocated for
13596 explicit_link_files.
13598 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13600 * config/s390/s390.c (init_alignment_context): Set
13601 ALIAS_SET_MEMORY_BARRIER on the MEM.
13602 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13604 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13606 PR middle-end/25933
13607 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13609 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13612 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13614 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13615 * regrename.c: Ditto.
13616 * tree-ssa-loop-im.c: Ditto.
13617 * tree-dump.c: Ditto.
13618 * tree-complex.c: Ditto.
13619 * genrecog.c: Ditto.
13620 * tree-ssa-threadupdate.c: Ditto.
13622 * java/class.c: Ditto.
13623 * java/jcf-parse.c: Ditto.
13624 * java/resource.c: Ditto.
13625 * java/except.c: Ditto.
13626 * java/jvspec.c: Ditto.
13627 * java/jcf-write.c: Ditto.
13628 * java/jcf-path.c: Ditto.
13629 * java/gjavah.c: Ditto.
13630 * java/zextract.c: Ditto.
13631 * java/jcf-io.c: Ditto.
13632 * java/jcf.h: Ditto.
13633 * java/buffer.c: Ditto.
13634 * java/lang.c: Ditto.
13635 * java/parse-scan.y: Ditto.
13636 * java/lex.c: Ditto.
13637 * java/lex.h: Ditto.
13638 * cfgloopmanip.c: Ditto.
13639 * postreload-gcse.c: Ditto.
13640 * tree-ssa-loop-manip.c: Ditto.
13641 * postreload.c: Ditto.
13642 * tree-ssa-loop-ch.c: Ditto.
13645 * cppspec.c: Ditto.
13646 * diagnostic.c: Ditto.
13648 * genoutput.c: Ditto.
13650 * cfghooks.c: Ditto.
13651 * cfgloopanal.c: Ditto.
13652 * objc/objc-act.c: Ditto.
13654 * genextract.c: Ditto.
13655 * genautomata.c: Ditto.
13656 * pretty-print.c: Ditto.
13657 * genemit.c: Ditto.
13658 * cgraphunit.c: Ditto.
13660 * df-scan.c: Ditto.
13661 * haifa-sched.c: Ditto.
13662 * dominance.c: Ditto.
13664 * tree-ssa-loop-ivopts.c: Ditto.
13665 * df-core.c: Ditto.
13666 * mode-switching.c: Ditto.
13667 * modulo-sched.c: Ditto.
13669 * ipa-pure-const.c: Ditto.
13671 * fix-header.c: Ditto.
13673 * tree-stdarg.c: Ditto.
13674 * ipa-utils.c: Ditto.
13675 * loop-init.c: Ditto.
13676 * ipa-inline.c: Ditto.
13677 * cfganal.c: Ditto.
13679 * alloc-pool.c: Ditto.
13680 * dwarf2out.c: Ditto.
13682 * genattrtab.c: Ditto.
13683 * tree-ssa-loop-ivcanon.c: Ditto.
13684 * predict.c: Ditto.
13685 * timevar.c: Ditto.
13687 * fortran/gfortranspec.c: Ditto.
13688 * regmove.c: Ditto.
13689 * local-alloc.c: Ditto.
13690 * langhooks.c: Ditto.
13691 * function.c: Ditto.
13692 * tree-vectorizer.c: Ditto.
13694 * ipa-type-escape.c: Ditto.
13696 * tree-if-conv.c: Ditto.
13697 * profile.c: Ditto.
13699 * tree-data-ref.c: Ditto.
13700 * loop-unroll.c: Ditto.
13701 * treelang/treetree.c: Ditto.
13703 * bt-load.c: Ditto.
13704 * ggc-common.c: Ditto.
13706 * coverage.c: Ditto.
13708 * tree-cfgcleanup.c: Ditto.
13709 * tree-ssa-pre.c: Ditto.
13710 * cfgcleanup.c: Ditto.
13711 * loop-invariant.c: Ditto.
13712 * loop-iv.c: Ditto.
13713 * ipa-prop.c: Ditto.
13714 * print-tree.c: Ditto.
13715 * conflict.c: Ditto.
13716 * ggc-page.c: Ditto.
13717 * sched-deps.c: Ditto.
13718 * regclass.c: Ditto.
13719 * tree-object-size.c: Ditto.
13720 * combine.c: Ditto.
13721 * bb-reorder.c: Ditto.
13722 * resource.c: Ditto.
13723 * var-tracking.c: Ditto.
13724 * cfgloop.c: Ditto.
13725 * df-problems.c: Ditto.
13726 * reg-stack.c: Ditto.
13728 * gccspec.c: Ditto.
13729 * sched-rgn.c: Ditto.
13730 * tree-ssa-structalias.c: Ditto.
13731 * tree-ssa-reassoc.c: Ditto.
13732 * config/darwin-c.c: Ditto.
13733 * config/darwin.c: Ditto.
13734 * config/arm/arm.c: Ditto.
13736 * collect2.c: Ditto.
13737 * reload1.c: Ditto.
13739 2006-01-31 Nicolas Pitre <nico@cam.org>
13741 * arm.md (smaxsi3): Make aware of smax_m1.
13744 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13746 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13748 2006-01-31 Richard Guenther <rguenther@suse.de>
13750 * doc/invoke.texi (-msselibm): Document.
13751 * target.h (expand_library_builtin): New target hook.
13752 * builtins.c (expand_builtin): Use expand_library_builtin.
13753 (default_expand_library_builtin): New function.
13754 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13755 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13756 (link_gcc_math_spec): Declare.
13757 (static_specs): Add link_gcc_math_spec.
13758 * expr.h (default_expand_library_builtin): Declare.
13759 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13760 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13761 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13762 * config/i386/i386.opt (msselibm): New target option.
13763 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13764 (ix86_init_sse_abi_builtins): New function.
13765 (ix86_expand_library_builtin): Likewise.
13766 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13767 (override_options): Handle error conditions wrt -msselibm.
13768 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13769 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13770 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13773 2006-01-31 Richard Guenther <rguenther@suse.de>
13774 Paolo Bonzini <bonzini@gnu.org>
13776 * doc/install.texi (--disable-libgcc-math): Document.
13778 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13780 * expr.h (expand_normal): new inline function.
13781 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13782 * dojump.c: use it.
13783 * dwarf2out.c: use it.
13786 * expmed.c: use it.
13787 * except.c: use it.
13788 * config/sparc/sparc.c: use it.
13789 * config/i386/i386.c: use it.
13790 * config/rs6000/rs6000.c: use it.
13791 * config/arm/arm.c: use it.
13792 * config/mips/mips.c: use it.
13793 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13795 2006-01-30 Roger Sayle <roger@eyesopen.com>
13797 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13798 argv to the appropriate type.
13800 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13802 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13805 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13808 * config/s390/s390.c (struct machine_function): New flag
13809 decomposed_literal_pool_addresses_ok_p.
13810 (s390_reorg): Set it before final stage of literal pool transforms.
13811 (s390_decompose_address): Only accept displacements of the form
13812 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13814 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13816 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13817 the comparison routine return.
13819 2006-01-30 Michael Matz <matz@suse.de>
13821 * global.c (find_reg): Only evict for global regs.
13822 Take n_refs into account and dump more info.
13824 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13827 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13828 (pragma_trap, pragma_nosave_low_regs): Likewise.
13829 (current_function_anonymous_args): Likewise.
13830 (sh_deferred_function_attributes): New variable.
13831 (sh_deferred_function_attributes_tail): Likewise.
13832 (print_operand): For '@', look up trap_exit attribute.
13833 (calc_live_regs): Look up trapa_handler attribute. For trapa
13834 handlers, save/restore fpscr, but don't do any other
13835 interrupt-specific saves.
13836 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13837 Fix check for partially saved registers to check for SHmedia.
13838 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13839 (sh_output_function_epilogue): Don't clear any of the removed
13841 (sh_insert_attributes): Don't check pragma_interrupt.
13842 Insert deferred attributes. Check that interrupt attribute is
13843 present for other attributes that require its presence.
13844 (sh_attribute_table): Add new attributes trapa_handler and
13846 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13847 Don't check for pragma_interrupt. Don't store argument.
13848 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13849 (sh_deferred_function_attributes): Declare.
13850 (sh_deferred_function_attributes_tail): Likewise.
13851 * sh.md (sp_switch_1): Add operand. Change generator caller.
13852 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13853 (*return_i): Don't use when trap_exit attribute is in effect.
13854 (*return_trapa): New insn pattern.
13855 * sh-c.c: New file.
13856 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13857 setting c_target_objs and cxx_target_objs.
13858 * t-sh: Add rule for sh-c.o.
13860 2006-01-30 Richard Guenther <rguenther@suse.de>
13863 * gimplify.c (gimplify_target_expr): Handle easy cases
13864 without creating a temporary.
13866 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13868 * vec.h (safe_grow): Remove duplicated line.
13870 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13873 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13874 (expand_omp): ... here.
13875 (expand_omp_parallel): Only remove barriers for combined
13876 parallel+workshare constructs.
13878 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13882 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13883 * tree.c (build_qualified_type): Chain the new type to the original
13884 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13885 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13886 (build_pointer_type_for_mode): Only return unqualified types.
13887 (build_reference_type_for_mode): Likewise.
13889 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13891 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13892 * Makefile.in (CXX_COMPAT_WARN): Define.
13893 * configure: Regenerate.
13895 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13898 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13901 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13903 * toplev.c: Fix thinko.
13905 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13906 Marcin Dalecki <martin@dalecki.de>
13908 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13909 (push_srcloc): Use XNEW.
13910 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13912 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13914 * df-core.c (df_set_blocks): Deleted all variable.
13916 2006-01-28 Ian Lance Taylor <ian@airs.com>
13918 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13919 cgraph_output_pending_asms.
13921 2006-01-28 Zack Weinberg <zackw@panix.com>
13923 * c.opt: Add -W(no-)overlength-strings.
13924 * doc/invoke.texi: Document it.
13925 * c-opts.c (c_common_handle_option): -pedantic implies
13926 -Woverlength-strings, if not explicitly disabled already.
13927 (c_common_post_options): -Woverlength-strings defaults to off, and
13928 is always off for C++.
13929 * c-common.c (fix_string_type): Issue warning about strings longer
13930 than is portable only if warn_overlength_strings. Rearrange code
13931 a little for clarity.
13932 * configure.in: Check for -Wno-overlength-strings as well before
13933 enabling -pedantic in stage 1.
13934 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13935 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13937 * genconditions.c (write_header, write_one_condition)
13938 (write_conditions, write_writer): Consolidate very long strings
13939 that were broken up to fit in C89 portable limit. Don't use
13940 printf when fputs will do.
13942 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13944 * combine.c (simplify_comparison <AND>): Check
13945 TRULY_NOOP_TRUNCATION before start using a subreg.
13947 * config/mips/mips.md (*branch_zero<mode>,
13948 *branch_zero<mode>_inverted, *branch_equality<mode>,
13949 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13950 Remove mode check from comparisons.
13952 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13954 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13956 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13958 * expmed.c (const_mult_add_overflow_p): Remove.
13959 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13961 * recog.c (validate_replace_rtx_subexp): Remove.
13962 * recog.h: Remove the prototype for
13963 validate_replace_rtx_subexp.
13965 * integrate.h: Remove the prototype for
13966 copy_decl_for_inlining.
13967 * rtl.h: Remove the prototype for mark_constant_function.
13968 * tree-vectorizer.h: Remove the prototype for
13969 vect_strip_conversion.
13971 * modulo-sched.c (create_partial_schedule,
13972 free_partial_schedule, reset_partial_schedule): Make them
13975 * hooks.c (hook_bool_rtx_int_false): Remove.
13976 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13978 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13980 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13981 and -mlong-double-128 are incompatible.
13982 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13983 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13984 (TARGET_LIBGCC2_CFLAGS): Define.
13985 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13986 (TARGET_LIBGCC2_CFLAGS): Same.
13987 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13989 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13992 * c-typeck.c (build_binary_op): Perform implicit casts of
13993 operands before shortening them.
13995 * cfgloopmanip.c (split_loop_bb): Remove.
13996 * cfgloop.h: Remove the prototype for split_loop_bb.
13998 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13999 * cfgloop.h: Remove the prototype for
14000 flow_loop_outside_edge_p.
14002 * emit-rtl.c (init_virtual_regs): Make it static.
14003 * function.h: Remove the prototype for init_virtual_regs.
14005 * recog.c (peephole2_optimize): Make it static.
14006 * recog.h: Remove the prototype for peephole2_optimize.
14008 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14010 * df-scan.c (df_record_entry_block_defs): Check if
14011 INCOMING_RETURN_ADDR_RTX is defined.
14013 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
14014 Kenneth Zadeck <zadeck@naturalbridge.com>
14016 PR rtl-optimization/24762
14017 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14018 * targhooks.c (hook_void_bitmap): New hook prototype.
14019 * targhoohs.h (hook_void_bitmap): Ditto.
14020 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
14021 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
14022 * target.h (live_on_entry): New function pointer.
14023 * df-scan.c (df_all_hard_regs): Removed.
14024 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
14025 (df_scan_free_internal): Added df->entry_block_defs.
14026 (df_scan_alloc): Ditto.
14027 (df_scan_dump): Ditto.
14028 (df_uses_record): Plumbed flag field properly thru calls.
14029 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
14030 This part fixes PR24762.
14031 (df_bb_refs_record): Added code to make the frame and arg
14032 pointers live in EH blocks.
14033 (df_refs_record): Added call to df_record_entry_block_defs.
14034 (df_record_entry_block_defs): New function.
14035 * df-core.c: Added comments to describe new artifical defs.
14036 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
14037 (entry_block_defs): New field in struct df.
14038 (df_all_hard_regs): Deleted.
14039 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
14040 * df-problems.c (df_ru_bb_local_compute_process_def):
14041 Added code to handle artifical defs in the entry to a function.
14042 (df_ru_bb_local_compute): Ditto.
14043 (df_rd_bb_local_compute_process_def): Ditto.
14044 (df_rd_bb_local_compute): Ditto.
14045 (df_lr_bb_local_compute): Ditto.
14046 (df_ur_bb_local_compute): Ditto.
14047 (df_urec_bb_local_compute): Ditto.
14048 (df_chain_create_bb): Ditto.
14049 (df_ur_local_finalize): Removed entry.
14050 (df_urec_init): Ditto.
14051 (df_urec_local_finalize): Ditto.
14052 (df_ri_bb_compute): Added detection of last use of pseudos.
14053 * Makefile.in (df-scan.o): Updated dependencies.
14054 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
14055 * config/mips/mips.c (mips_set_live_on_entry): Added.
14056 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
14058 * dce.c (marked_insn_p): Added code to handle artifical defs.
14060 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
14062 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
14064 (_mm_cvtsi128_si64): Likewise.
14065 (_mm_cvtsd_si64): Likewise.
14066 (_mm_cvttsd_si64): Likewise.
14067 (_mm_cvtsi64_sd): Likewise.
14068 (_mm_cvtsi64_si128): Likewise.
14069 * config/i386/mmintrin.h (_m_from_int64): Likewise.
14070 (_mm_cvtsi64_m64): Likewise.
14071 (_m_to_int64): Likewise.
14072 (_mm_cvtm64_si64): Likewise.
14073 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
14074 (_mm_cvttss_si64): Likewise.
14075 (_mm_cvtsi64_ss): Likewise.
14076 (_mm_cvtss_f32): Likewise.
14078 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
14080 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
14081 for pragma redefine_extname.
14083 2006-01-27 Jakub Jelinek <jakub@redhat.com>
14086 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
14087 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
14088 -mno-minimal-toc to previous content.
14089 (bispecs): Remove goal.
14090 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
14091 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
14092 compatibility aliases on powerpc-*-*gnu*.
14093 * config/rs6000/libgcc-ppc-glibc.ver: New file.
14094 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
14095 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
14096 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
14097 (ldblspecs): New goal.
14098 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
14099 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
14101 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
14102 L_sf_to_tf or L_df_to_tf is defined.
14104 2006-01-27 David Edelsohn <edelsohn@gnu.org>
14105 Alan Modra <amodra@bigpond.net.au>
14108 * config/rs6000/linux.h (POWERPC_LINUX): Define.
14109 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
14110 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
14111 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
14112 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
14113 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
14114 (rs6000_override_options): Initialize rs6000_ieeequad.
14115 Initialize TFmode format to ibm_extended_format if not
14117 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
14119 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
14120 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
14121 (function_arg_advance): IBM long double passed in two FPRs, not
14123 (function_arg): IBM long double passed in FPRs.
14124 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
14125 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
14126 Only multireg GPR aligned.
14127 (rs6000_init_libfuncs): Enable IBM long double functions if not
14129 (rs6000_generate_compare): Use IBM long double compare if not
14131 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
14132 (TARGET_IEEEQUAD): Define.
14133 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
14134 not TARGET_IEEEQUAD.
14135 * config/rs6000/rs6000.md: Enable TFmode patterns if
14137 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
14138 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
14139 and -mlong-double-128 are incompatible.
14140 * doc/invoke.texi (-mabi): Collect options together. Add
14141 ibmlongdouble and ieeelongdouble.
14143 2006-01-27 Richard Sandiford <richard@codesourcery.com>
14145 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
14147 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
14148 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
14149 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
14150 * rtl.h (rtunion_def): Remove rt_ptr.
14152 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
14153 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
14154 * config/i386/winnt.c (i386_pe_mark_dllexport)
14155 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
14157 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
14159 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
14161 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14165 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
14166 pthread_key_delete. From John David Anglin. gthrw-ify
14167 pthread_getunique_np only if it it's not a macro. Delete
14169 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
14170 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
14171 __gthread_objc_condition_signal, __gthread_key_delete): Add
14172 "__attribute__ ((__unused__))" to unused arguments.
14173 (__gthread_recursive_mutex_init_function): Add missing return.
14174 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
14175 gthr-posix95.h: Use macro-based approach for name redirection
14176 on targets missing weakref.
14178 2006-01-26 Zack Weinberg <zackw@panix.com>
14180 * genconditions.c (write_header): In generated code, #ifdef out
14181 all includes and fake declarations, except includes of bconfig.h
14182 and system.h, unless GCC_VERSION >= 3001. Do not include
14183 gensupport.h in any case.
14184 (write_conditions): Generate a definition of struct c_test. Add
14185 a comment to the generated #endif.
14186 (write_one_condition): Escape backslashes in string too.
14187 (write_writer): Generated code must escape backslashes and quote
14188 marks (but not newlines) in the strings it writes.
14189 * Makefile.in (build/gencondmd.o): Update dependencies.
14191 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14194 * Makefile.in (insn-automata.o): Add header file dependencies.
14195 * genautomata.c: Add includes.
14197 2006-01-26 Steve Ellcey <sje@cup.hp.com>
14200 * Makefile.in (insn-automata.o): Add -Wno-error flag.
14202 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14204 * configure.ac: Expect target tools paths to be passed from the toplevel
14205 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
14207 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
14209 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
14212 * c.opt (Wpointer-sign): Init to -1.
14213 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
14214 OPT_pedantic, to 0 otherwise.
14215 * doc/invoke.texi: Update.
14217 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
14219 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
14220 constants provided by 80387 instructions in the destination mode.
14222 2006-01-26 Richard Guenther <rguenther@suse.de>
14223 Andrew Pinski <pinskia@physics.uc.edu>
14226 partial PR tree-opt/17064
14227 * tree-ssa-structalias.c (intra_create_variable_infos):
14228 Create heap variables for incoming parameters if
14229 flag_argument_noalias > 1.
14230 (find_what_p_points_to): Look through default defs of
14233 2006-01-26 Jeff Law <law@redhat.com>
14236 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
14237 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
14238 within the VR_RANGE, use the VR_RANGE as the result, not the
14240 (adjust_range_with_scev): Reject ranges from SCEV which are out of
14241 bounds for the type.
14243 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
14245 * tree-ssa-alias.c (maybe_create_global_var): Change
14246 subvar walking to an assertion that we don't have subvar'd variables.
14248 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
14251 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
14252 Use a new variable, inner. PARM_DECLs are always non-weak.
14254 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
14256 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
14257 --disable-checking.
14259 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
14261 * config/mips/mips.md (*clear_upper32): New combiner pattern.
14263 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
14265 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
14266 (smax_insn, smin_insn, smax_0, smin_0): New.
14268 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
14271 * config/cris/cris.c (cris_order_for_addsi3): New function.
14272 * config/cris/cris-protos.h: Prototype it.
14273 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
14274 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
14275 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
14276 (split for "op.S1 [rx=rx+i],ry (swapped)")
14277 (split for "op(s|u).S1 [rx=rx+i],ry")
14278 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
14279 Apply cris_order_for_addsi3 when generating addsi3 insns.
14281 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14283 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
14284 (TREE_BLOCK): Add call to EXPR_CHECK.
14286 2006-01-25 Diego Novillo <dnovillo@redhat.com>
14289 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
14290 * tree-pretty-print.c (dump_omp_clause): Extract from ...
14291 (dump_omp_clauses): ... here.
14292 (dump_generic_node): Handle OMP_CLAUSE.
14293 * tree.c (omp_clause_num_ops): New.
14294 (omp_clause_code_name): New.
14295 (tree_code_size): Handle OMP_CLAUSE.
14296 (tree_size): Likewise.
14297 (make_node): Document handling of OMP_CLAUSE.
14298 (tree_node_structure): Handle OMP_CLAUSE.
14299 (omp_clause_check_failed): New.
14300 (omp_clause_range_check_failed): New.
14301 (omp_clause_operand_check_failed): New.
14302 (build_omp_clause): New.
14303 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
14304 * tree.h (enum omp_clause_code): Declare.
14305 (OMP_CLAUSE_SUBCODE_CHECK): Define.
14306 (OMP_CLAUSE_RANGE_CHECK): Define.
14307 (OMP_CLAUSE_ELT_CHECK): Define.
14308 (omp_clause_check_failed): Declare.
14309 (omp_clause_operand_check_failed): Declare.
14310 (omp_clause_range_check_failed): Declare.
14311 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
14312 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
14313 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
14314 (OMP_CLAUSE_LASTPRIVATE): Likewise.
14315 (OMP_CLAUSE_IF_EXPR): Likewise.
14316 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
14317 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
14318 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
14319 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
14320 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
14321 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
14322 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
14323 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
14324 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
14325 (OMP_CLAUSE_CODE): Define.
14326 (OMP_CLAUSE_SET_CODE): Define.
14327 (OMP_CLAUSE_CODE): Define.
14328 (OMP_CLAUSE_OPERAND): Define.
14329 (struct tree_omp_clause): Declare.
14330 (union tree_node): Add field 'omp_clause'.
14331 * treestruct.def (TS_OMP_CLAUSE): Define.
14332 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
14333 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
14334 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
14335 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
14336 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
14337 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
14338 (OMP_CLAUSE): Define.
14339 * print-tree.c (print_node): Handle OMP_CLAUSE.
14340 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
14341 * c-typeck.c: Likewise.
14342 * gimplify.c: Likewise.
14343 * c-omp.c: Likewise.
14344 * tree-nested.c: Likewise.
14345 * tree-inline.c: Likewise.
14346 * c-parser.c: Likewise.
14347 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
14350 2006-01-25 Roger Sayle <roger@eyesopen.com>
14352 PR rtl-optimization/25703
14353 * combine.c (try_combine): Handle zero_extract and strict_low_part
14354 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
14356 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
14358 * global.c: Fix comment typos.
14360 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
14363 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
14364 Use output_addr_const instead of assemble_name.
14366 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
14368 * Makefile.in (sched-vis.o): Update dependencies.
14369 * haifa-sched.c (sched_finish): Clear current_sched_info.
14370 * cfg.c (dump_bb_info): New, split from dump_flow_info.
14371 (dump_flow_info): Call it.
14372 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
14374 * basic-block.h (dump_bb_info): Declare.
14375 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
14376 option, and apply options only for dump files whose TDF_RTL,
14377 TDF_TREE, or TDF_IPA bits match.
14378 * rtl.h: Declare new functions exported from sched-vis.c.
14379 * sched-vis.c: Enable also if scheduling is not used.
14380 (print_value): Print the mode of registers if not inside scheduling.
14381 (print_insn): Make it work outside the scheduler. Beautify the output
14383 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
14385 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14387 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
14388 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
14389 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
14390 depending on the value of CONSTANT_POOL_ADDRESS_P.
14391 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
14393 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
14394 rather than SYMBOL_REF_DECL.
14395 (rtx_constant_pool): Remove const_rtx_sym_htab.
14396 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
14397 (init_varasm_status): Don't initialize const_rtx_sym_htab.
14398 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
14399 Remove handling of const_rtx_sym_htab.
14400 (find_pool_constant): Delete.
14401 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
14402 rather than find_pool_constant.
14403 (get_pool_constant_for_function): Delete.
14404 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
14405 find_pool_constant.
14406 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
14407 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
14408 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
14409 (SYMBOL_REF_CONSTANT): New macro.
14410 (get_pool_constant_for_function): Delete.
14411 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
14412 rather than SYMBOL_REF_DECL.
14413 (i386_pe_mark_dllimport): Likewise.
14414 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
14415 rather than SYMBOL_REF_DECL.
14416 * config/darwin.c (machopic_indirect_data_reference): Likewise.
14417 (machopic_indirect_call_target): Likewise.
14419 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
14421 * flow.c (delete_noop_moves): Add missing EOL to dump message.
14423 2006-01-25 Richard Sandiford <richard@codesourcery.com>
14425 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
14427 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
14429 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
14431 2006-01-24 David Daney <ddaney@avtrex.com>
14434 * configure.ac (enable_tls): New enable option.
14435 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
14436 * configure: Regenerate.
14437 * doc/install.texi (--enable-tls): Document new option.
14438 (--disable-tls): Ditto.
14440 2006-01-24 Richard Henderson <rth@redehat.com>
14442 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
14443 * alias.c (true_dependence): Respect it.
14444 (canon_true_dependence, write_dependence_p): Likewise.
14445 * builtins.c (get_builtin_sync_mem): Set it.
14447 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
14449 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
14452 2006-01-24 DJ Delorie <dj@redhat.com>
14454 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
14455 for storing constants in single-bit bitfields.
14457 2006-01-25 Ben Elliston <bje@au.ibm.com>
14459 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
14461 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
14464 * tree-ssa-pre.c (phi_translate): Return NULL
14465 for AGGREGATE_TYPE's.
14467 2006-01-24 Zack Weinberg <zackw@panix.com>
14469 * genautomata.c (process_state_for_insn_equiv_partition):
14470 Use xcalloc for insn_arcs_array.
14471 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
14472 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
14474 2006-01-24 Richard Henderson <rth@redhat.com>
14476 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
14477 update all callers.
14479 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
14481 PR rtl-optimization/25890
14482 PR rtl-optimization/25905
14483 * combine.c (expand_compound_operation, expand_field_assignment):
14484 Fail if the bitfield's final position is out of bounds.
14486 2006-01-24 Ian Lance Taylor <ian@airs.com>
14488 PR middle-end/25930
14489 * cgraphunit.c (cgraph_output_in_order): Don't clear
14490 cgraph_asm_nodes until after asm strings have been output.
14492 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
14494 * fix-header.c (read_scan_file): Add new parameter imultilib when
14495 calling register_include_chains.
14497 2006-01-23 Diego Novillo <dnovillo@redhat.com>
14499 * omp-low.c: Update documentation.
14501 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14502 Daniel Berlin <dberlin@dberlin.org>
14506 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
14507 return from the function.
14509 2006-01-22 Zack Weinberg <zackw@panix.com>
14511 * rtl.def (match_code): Add second argument.
14512 * genpreds.c (write_extract_subexp): New function.
14513 (write_match_code): Add path argument. Use write_extract_subexp.
14514 (write_predicate_expr): Pass path to write_match_code.
14515 (mark_mode_tests): MATCH_CODE applied to a subexpression does
14516 not perform a mode test.
14517 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
14518 a subexpression does not constrain the top-level code set.
14519 * read-rtl.c (read_rtx_variadic): New function.
14520 (read_rtx_1): Use it; allow AND and IOR to be variadic.
14521 * doc/md.texi: Document new notation.
14522 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
14523 (cmpsi_operand): ... here, using new notation.
14525 2006-01-22 Zack Weinberg <zackw@panix.com>
14527 * varray.c: Remove GENERATOR_FILE #ifdefs.
14529 2006-01-22 Zack Weinberg <zackw@panix.com>
14531 * genautomata.c (output_reserved_units_table): Emit nothing if
14532 description->query_units_num is zero. Remove extra blank line.
14533 (output_cpu_unit_reservation_p): Short circuit
14534 if description->query_units_num is zero.
14536 2006-01-22 Zack Weinberg <zackw@panix.com>
14538 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
14539 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
14540 nor any of the random handful of variables that used to be necessary
14541 when this program was linked with rtlanal.o. Prune set of forward
14542 function declarations.
14543 (struct attr_desc): Remove static_p field.
14544 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
14545 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
14546 (attr_string): Do not read the character one past the length of
14548 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
14549 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
14550 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
14551 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
14552 (make_automaton_attrs): New.
14553 (main): Do not call into genautomata. Call local gen_bypass
14554 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
14555 Remove special case for insn_alts.
14556 * genautomata.c: Include gensupport.h; not genattrtab.h nor
14557 varray.h (leftover from previous change). Prune set of forward
14558 function declarations. Remove state_alts fields from all
14559 structures. Remove state_alts_table from struct automaton.
14560 Make everything except main static. Do not maintain num_dfa_decls.
14561 Do not maintain state_alts fields of various structures.
14562 (process_decls): Don't validate condexp for dm_insn_reserv decls.
14563 (add_arc): Remove state_alts argument. All callers updated.
14564 (output_reserved_units_table): Emit #ifdef here...
14565 (output_tables): ...not here. Don't generate state_alts tables.
14566 (expand_automata): Don't generate attributes.
14567 (write_automata): Don't generate state_alts functions.
14568 (main): New function.
14569 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
14570 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
14571 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
14572 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
14573 (BYPASS_P_FUNC_NAME, output_state_alts_table)
14574 (output_automata_list_state_alts_code, output_internal_state_alts_func)
14575 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
14576 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
14578 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
14579 * genattrtab.h: Delete file.
14580 * Makefile.in (OBJS-common): Add insn-automata.o.
14581 (insn-automata.o): New rule.
14582 (simple_generated_c): Add insn-automata.c.
14583 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14584 (genprogmd): Add automata.
14585 (build/genattrtab): Needs no extra objects nor libraries.
14586 (build/genautomata): Needs build/vec.o and -lm.
14588 2006-01-22 Zack Weinberg <zackw@panix.com>
14590 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14591 (output_dfa_max_issue_rate, locked_states_num): Delete.
14592 (struct automaton): Add locked_states field.
14593 (output_dead_lock_vect): Save number of locked states in
14594 automaton->locked_states. If it is zero, don't print anything.
14595 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14596 (output_internal_dead_lock_func): Only test the dead_lock_vect
14597 for automata that have locked states.
14598 (output_statistics): Always print the number of locked states for
14599 each automaton. Calculate total number of locked states here.
14600 (write_automata): Don't call output_dfa_max_issue_rate.
14601 * genattrtab.c: Define length_unit_log as a const variable.
14602 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14603 max_insn_queue_index const.
14604 * final.c (length_unit_log): Declare const.
14605 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14607 2006-01-22 Zack Weinberg <zackw@panix.com>
14609 * genautomata.c: Include vec.h, not varray.h.
14610 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14611 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14612 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14613 VEC_* macros operating on appropriately typed vectors, or to
14614 malloced arrays when the size is known in advance. Const-ify
14615 many char* variables and function arguments. No functional changes.
14616 * Makefile.in (build/varray.o): Delete rule.
14617 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14618 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14620 2006-01-22 Zack Weinberg <zackw@panix.com>
14622 * gensupport.c: Define get_insn_name and record_insn_name here.
14623 (read_md_rtx): Call record_insn_name as appropriate.
14624 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14625 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14626 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14628 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14629 (BUILD_VARRAY): Delete.
14630 (genprognormal): Rename genprogmd. Fold in all programs from
14631 genprognoprint; also attrtab.
14632 (build/genattrtab): Just mention genautomata.o and varray.o.
14633 Reorganize a bit, add comments to make the categories clearer.
14635 2006-01-22 Zack Weinberg <zackw@panix.com>
14637 * genconditions.c (condition_table, add_condition): Delete.
14638 (write_conditions): Don't emit n_insn_conditions nor
14639 insn_elision_unavailable. Issue the gcc version #ifdef here,
14640 inside the table, with no #else clause ...
14641 (write_header): ...not here.
14642 (write_writer): New function.
14643 (main): Don't initialize condition_table. Use add_c_test.
14645 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14646 files on the command line.
14647 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14648 Return -1 if there is no entry in the table, don't abort.
14649 (add_c_test, traverse_c_tests): New functions.
14650 * gensupport.h (insn_elision_unavailable, insn_conditions)
14651 (n_insn_conditions): Delete declarations.
14652 (add_c_test, traverse_c_tests): Declare.
14653 * read-rtl.c: Include gensupport.h.
14654 (read_conditions): New function.
14655 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14656 (read_rtx_1): If we get EOF when we were looking for an initial
14657 open paren, return 0. Call read_conditions when appropriate.
14658 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14659 dummy-conditions.o. Eliminate references to insn-conditions.o,
14660 or change them to build/gencondmd.o, as appropriate. Remove
14661 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14662 from $(simple_generated_c). For all files remaining in those
14663 two lists, add insn-conditions.md to the generator command line.
14664 Give insn-constants.h/s-constants their own rules. Add rules
14665 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14666 (build/read-rtl.o): Depend on gensupport.h.
14667 (genprognormal): Include preds.
14668 (genprogearly): Rename genprognoprint; only difference is now that
14669 they don't link with $(BUILD_PRINT).
14670 * dummy-conditions.c: Delete.
14672 2006-01-22 Zack Weinberg <zackw@panix.com>
14674 * genextract.c: Don't include insn-config.h. Do include vec.h.
14675 Declare vectors of int, char, and locstr.
14676 (locstr): New typedef.
14677 (struct extraction): Make all array fields into bare pointers.
14678 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14679 (insn_code_number): Delete.
14680 (accum_extract): New struct.
14681 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14682 (gen_insn): Take insn_code_number as an argument. Use an
14683 accum_extract structure instead of loading data directly into
14684 a struct extraction, and having to know how big it might get.
14685 (walk_rtx): Operate entirely on an accum_extract structure.
14686 (print_path): Avoid unnecessary use of printf.
14687 (print_header): New function, split out of main. Distinguish
14688 more carefully between an unrecognizable insn and an insn that
14689 has the code number of a define_expand.
14690 (main): Pass insn_code_number to gen_insn. Call print_header
14691 only after parsing. Avoid unnecessary use of printf.
14692 * Makefile.in (build/vec.o): New rule.
14693 (build/genextract): Depend on build/vec.o.
14694 (build/genextract.o): Don't depend on insn-config.h.
14696 2006-01-22 Zack Weinberg <zackw@panix.com>
14698 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14699 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14700 practical. Eliminate per-generator-program link rules.
14702 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14704 PR middle-end/24437
14705 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14706 with a call expr to ...
14707 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14709 2006-01-23 Richard Guenther <rguenther@suse.de>
14711 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14712 before make_edge with conditional EDGE_TRUE_VALUE.
14714 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14715 Jan Hubicka <jh@suse.cz>
14716 Richard Guenther <rguenther@suse.de>
14718 PR rtl-optimization/25654
14719 * cfgexpand.c (aggregate_contains_union_type): New function.
14720 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14721 for structure variables that contain a union type.
14723 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14725 * gengtype.c (new_structure): Return the structure.
14726 (create_option): Add an extra "next" argument.
14727 (create_field): New function.
14728 (adjust_field_rtx_def): Use create_option and create_field.
14729 Remove a now-unnecessary call to find_structure.
14730 (adjust_field_tree_def): Likewise.
14731 (note_yacc_type): Remove an unnecessary call to find_structure.
14732 * gengtype.h (new_structure): Return the structure.
14733 (create_option): Add an extra argument.
14734 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14735 (option): Adjust calls to create_option.
14737 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14739 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14741 2006-01-22 Paul Brook <paul@codesourcery.com>
14742 Peter Barada <peter@the-baradas.com>
14744 * config/m68k/m68k.md: Add Coldfire FPU support.
14745 Define FP mode macro and associated attributes.
14746 Use it for float mode patterns.
14747 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14748 (LIBCALL_VALUE): Use m68k_libcall_value.
14749 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14750 (m68k_function_value): Ditto.
14751 (emit_move_sequence): Ditto.
14752 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14753 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14754 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14755 (MULTILIB_EXCEPTIONS): Ditto.
14756 * config/m68k/m68k.opt: Add mcfv4e.
14757 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14758 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14759 (m68k_output_function_prologue): Save ColdFire FPU registers.
14760 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14761 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14762 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14763 ColdFire FPU registers.
14764 (m68k_libcall_value, m68k_function_value): New functions.
14765 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14766 (LIBCALL_VALUE): Use m68k_libcall_value.
14767 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14768 (MASK_COLDFIRE): Add MASK_CFV4E.
14769 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14770 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14771 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14772 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14773 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14774 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14775 * doc/invoke.tex: Document -mcfv4e on m68k.
14777 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14779 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14782 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14785 * c-opts.c (c_common_handle_option): Don't include
14786 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14787 * doc/invoke.texi (C++ Dialect Options): Document that
14788 -Wnon-virtual-dtor is no longer included in -Wall.
14790 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14792 * gcov.c (print_version), gcov-dump.c (print_version),
14793 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14796 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14798 * df-scan.c (problem_SCAN): Added NULL reset function.
14799 (df_scan_reset_blocks): Added code to call reset block function
14800 (df_bb_refs_delete) Fixed comment.
14801 (df_insn_refs_delete): Made tolerant of deleting non existent info
14802 for dataflow problems that need to be reset.
14803 * df-core.c (df_set_blocks): Ditto.
14804 * df.h (struct df_problem): Added reset_fun.
14805 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14806 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14807 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14808 functions to clear out all references to def-use or use-def chains.
14810 2006-01-21 Ben Elliston <bje@au.ibm.com>
14812 * varasm.c (assemble_real): Initialise data array.
14814 2006-01-20 Paul Brook <paul@codesourcery.com>
14816 Merge from csl-arm-branch.
14817 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14818 * config/arm/arm.md (movdi): Force operands[1] to a register
14819 if we have a non-register source.
14820 (*arm_movdi, *movdf_soft_insn): Require that one of the
14821 operands be a register.
14822 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14823 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14825 2006-01-20 DJ Delorie <dj@redhat.com>
14827 * varasm.c (initializer_constant_valid_p): Allow pointers
14828 initialized from integer constants of lesser precision.
14829 (output_constant): Allow non-int-sized pointer modes to be
14830 initialized from integer constants.
14832 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14835 * cppdefault.h (struct default_include): Add multilib flag.
14836 * cppdefault.c (cpp_include_defaults): Set it.
14837 * c.opt (-imultilib): New option.
14838 * c-opts.c (imultilib): New.
14839 (c_common_handle_option): Handle -imultilib.
14840 (c_common_post_options): Likewise.
14841 * c-incpath.c (add_standard_paths, register_include_chains):
14843 * c-incpath.h (register_include_chains): Add extra parameter.
14844 * gcc.c (do_spec_1): Generate -imultilib option.
14845 (The Specs Language): Update %I description.
14846 (process_command): Update copyright notice.
14847 * doc/cppopts.texi (-imultilib): Document.
14848 * doc/invoke.texi (-imultilib): Include in option summary.
14849 (%I): Update specs documentation.
14851 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14853 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14855 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14857 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14860 2006-01-20 Richard Guenther <rguenther@suse.de>
14861 Steven Bosscher <stevenb.gcc@gmail.com>
14863 PR rtl-optimization/24626
14864 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14865 EDGE_TRUE_VALUE if in RTL mode.
14868 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14869 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14871 2006-01-20 Dirk Mueller <dmueller@suse.com>
14874 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14875 instead of a special NOP marker.
14876 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14877 NOP marker handling.
14878 * c-common.h (empty_body_warning): Add forward declaration.
14879 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14880 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14882 2006-01-20 Paul Brook <paul@codesourcery.com>
14884 * Makefile.in (lang_checks): Keep going if mkdir fails.
14886 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14888 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14889 be able to clean out basic block when not necessary.
14890 (df_scan_free): Fixed to properly delete information if df is
14891 unused before calling df_finish.
14892 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14893 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14895 (df_bb_refs_delete): New function.
14896 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14897 * df-core.c (df_set_blocks): Added code to properly clean out
14898 unused blocks if they are not part of the blocks to consider.
14899 Added additional null check.
14900 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14901 be able to clean out basic block when not necessary
14902 * df.h (df_free_bb_function): Ditto.
14903 (df_bb_refs_delete): New function.
14904 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14905 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14906 basic block parameter to be able to clean out basic block when not
14908 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14909 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14910 Fixed to properly delete information if df is unused before
14913 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14915 PR rtl-optimization/25799
14916 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14917 Corrected confluence operator to remove bits from op2 before oring
14918 with op1 rather than removing bits from op1.
14919 (df_ru_transfer_function): Corrected test on wrong bitmap which
14920 caused infinite loop. Both of these problems were introduced in
14921 the dataflow rewrite.
14923 2006-01-19 DJ Delorie <dj@redhat.com>
14925 * reload1.c (find_reload_regs): Note the details of reload
14926 failures in the dump file.
14927 (spill_failure): Likewise.
14929 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14931 * loop-iv.c: Include df.h and hashtab.h.
14932 (enum iv_grd_result): New enum.
14933 (DF_REF_IV, DF_REF_IV_SET): New macros.
14934 (struct biv_entry): New.
14935 (df, bivs): New global variables.
14936 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14937 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14939 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14940 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14941 analyzed_for_bivness_p, record_biv): New functions.
14942 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14943 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14944 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14946 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14948 (iv_number_of_iterations): Use new interface to iv analysis.
14949 * loop-unroll.c: Do not include varray.h.
14950 (analyze_iv_to_split_insn): Use new interface to iv
14952 * loop-unswitch.c (may_unswitch_on): Ditto.
14953 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14955 (df_bb_modify): Realloc tables to the new index.
14956 (df_find_use): New function.
14957 * df.h (df_find_use): Declare.
14958 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14960 * cfgloop.h (struct rtx_iv): Remove analysed field.
14961 (iv_get_reaching_def): Removed.
14962 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14963 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14964 (loop-iv.o): Add df.h and hashtab.h dependency.
14965 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14967 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14970 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14972 (__floatundisf, __floatundidf): Likewise.
14973 * libgcc2.h (IS_IBM_EXTENDED): Define.
14975 2006-01-19 DJ Delorie <dj@redhat.com>
14977 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14979 2006-01-19 Paul Brook <paul@codesourcery.com>
14981 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14982 as nothrow when unwinding tables are disabled.
14984 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14987 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14988 of bit-field" when in system header.
14990 2006-01-19 DJ Delorie <dj@redhat.com>
14992 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14993 the 16 bit shift limit of the m16c.
14995 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14998 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14999 * config/i386/i386.c (output_set_got): Output the label if we have one
15000 for the TARGET_DEEP_BRANCH_PREDICTION case.
15002 2006-01-19 Jan Hubicka <jh@suse.cz>
15003 H.J. Lu <hongjiu.lu@intel.com>
15004 Evandro Menezes <evandro.menezes@amd.com>
15006 * invoke.texi (generic): Document
15008 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
15009 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
15010 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
15011 (x86_use_incdec, x86_pad_returns): New variables
15012 (TARGET_CPU_DEFAULT_generic): New constant
15013 (TARGET_CPU_DEFAULT_NAMES): Add generic.
15014 (enum processor_type): Add generic32 and generic64.
15015 * i386.md (cpu attribute): Add generic32/generic64
15016 (movhi splitter): Behave sanely when both partial_reg_dependency and
15017 partial_reg_stall are set.
15018 (K8 splitters): Enable for generic as well.
15019 * predicates.md (incdec_operand): Use TARGET_INCDEC
15020 (aligned_operand): Avoid memory mismatch stalls.
15021 * athlon.md: Enable for generic64, new patterns for 128bit moves.
15022 * ppro.md: Enable for generic32
15023 * i386.c (generic64_cost, generic32_cost): New.
15024 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
15025 (x86_use_leave): Enable for generic64. (x86_use_sahf,
15026 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
15027 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
15028 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
15029 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
15030 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15031 x86_accumulate_outgoing_args, x86_prologue_using_move,
15032 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
15033 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
15034 Enable for generic.
15035 (x86_use_incdec, x86_pad_returns): New.
15036 (override_options): Add generic32 and generic64, translate "generic"
15037 to generic32/generic64 and "i686" to "generic32", refuse
15038 "generic32"/"generic64" as arch target.
15039 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
15040 (ix86_reorg): Honor PAD_RETURNS.
15042 2006-01-19 Diego Novillo <dnovillo@redhat.com>
15044 * tree-pretty-print.c (dump_generic_node): Handle
15045 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
15046 * cgraph.c (cgraph_expand_queue): Rename from
15047 cgraph_analyze_queue. Update all users.
15048 * cgraphunit.c (cgraph_assemble_pending_functions): Process
15049 cgraph_expand_queue.
15050 (cgraph_expand_all_functions): Likewise.
15051 (cgraph_finalize_pending_functions): Remove. Update callers.
15053 * tree.h (OMP_DIRECTIVE_P): Define.
15054 (OMP_PARALLEL_FN): Define.
15055 (OMP_PARALLEL_DATA_ARG): Define.
15056 (OMP_SECTIONS_SECTIONS): Define.
15057 * tree-pass.h (pass_expand_omp): Declare.
15058 * omp-low.c (struct omp_region): Declare.
15059 (struct omp_context): Remove fields 'parallel_type',
15060 'parallel_start_ix' and 'parallel_start_additional_args'.
15062 (struct omp_for_data): Rename from struct expand_omp_for_data.
15063 (omp_regions): New static variable.
15064 (root_omp_region): New static variable.
15065 (find_omp_clause): Make static.
15066 (is_in_combined_parallel_ctx): Remove.
15067 (is_combined_parallel): New.
15068 (extract_omp_for_data): Move earlier in the file.
15069 (workshare_safe_to_combine_p): New.
15070 (get_ws_args_for): New.
15071 (determine_parallel_type): Move earlier in the file.
15072 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
15074 (omp_copy_decl): Likewise.
15075 (create_omp_child_function): Likewise.
15076 (lookup_omp_region): New.
15077 (dump_omp_region): New.
15078 (debug_omp_region): New.
15079 (debug_all_omp_regions): New.
15080 (new_omp_region): New.
15081 (scan_omp_parallel): If parallel_nesting_level > 1, the
15082 directive is nested within another parallel directive.
15083 Set OMP_PARALLEL_FN.
15084 (scan_omp_for): Do not try to handle combined parallel+for
15086 Remove FIXME comment.
15087 (scan_omp_nested): Remove.
15088 (scan_omp_1): Do not call scan_omp_nested when
15089 parallel_nesting_level is > 1.
15090 Do not change the DECL_CONTEXT of local variables found.
15091 (lookup_decl_in_outer_ctx): New.
15092 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
15093 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
15094 (lower_reduction_clauses): Rename from expand_reduction_clauses.
15095 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
15096 If CTX is nested, lookup VAR in the outer context when
15097 building copy assignment.
15098 (lower_send_clauses): Rename from expand_send_clauses.
15099 If CTX is nested, lookup VAR in the outer context when
15100 building copy assignments.
15101 (lower_send_shared_vars): Rename from expand_send_shared_vars.
15102 If CTX is nested, lookup VAR in the outer context when
15103 building copy assignments.
15104 (expand_parallel_call): Rename from build_parallel_call.
15105 Handle combined parallel+workshare cases.
15106 Re-implement to emit code into the CFG.
15108 (expand_omp_parallel): Re-implement to emit code into the CFG.
15109 Call move_sese_region_to_fn to outline the sub-graph
15110 containing the parallel region.
15111 (expand_omp_for_1): Remove.
15112 (expand_omp_for_generic): Re-implement to emit code into the
15114 (expand_omp_for_static_nochunk): Likewise.
15115 (expand_omp_for_static_chunk): Likewise.
15116 (expand_omp_for): Likewise.
15117 (expand_omp_sections): Likewise.
15118 (remove_exit_barriers): New.
15119 (expand_omp_synch): New.
15121 (build_omp_regions_1): New.
15122 (build_omp_regions): New.
15123 (execute_expand_omp): New.
15124 (gate_expand_omp): New.
15125 (pass_expand_omp): Define.
15126 (lower_omp_sections): Rename from expand_omp_sections.
15127 Set OMP_SECTIONS_SECTIONS.
15128 (lower_omp_single_simple): Rename from expand_omp_single_simple.
15129 (lower_omp_single_copy): Rename from expand_omp_single_copy.
15130 (lower_omp_single): Rename from expand_omp_simple.
15131 (lower_omp_master): Rename from expand_omp_master.
15132 (lower_omp_ordered): Rename from expand_omp_ordered.
15133 (lower_omp_critical): Rename from expand_omp_critical.
15134 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
15135 (lower_omp_for): Re-implement.
15136 (lower_omp_parallel): Re-implement.
15137 (lower_regimplify): Rename from expand_regimplify.
15138 (lower_omp_1): Rename from expand_omp_1.
15139 If there are syntax errors in the program, replace every
15140 OpenMP directive with NOP.
15141 Call lower_omp_* instead of expand_omp_*.
15142 (lower_omp): Rename from expand_omp.
15144 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
15145 * tree-gimple.h (enum omp_parallel_type): Remove.
15146 (gimple_boolify): Declare extern.
15147 (find_omp_clause, determine_parallel_type): Remove.
15149 * gimple-low.c (lower_omp_directive): New.
15150 (lower_stmt): Call it.
15151 (record_vars_into): Move from ...
15152 (record_vars): ... here.
15153 Call record_vars_into with current_function_decl.
15155 * gimplify.c (struct gimplify_ctx): Remove fields
15156 combined_pre_p and combined_ctxp. Update users.
15157 (get_formal_tmp_var): Add documentation.
15158 (gimple_boolify): Make extern.
15159 (gimplify_expr_in_ctx): Remove. Update callers.
15160 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
15161 will always be a BIND_EXPR.
15162 (gimplify_expr): Handle OMP_RETURN_EXPR.
15163 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
15164 (OMP_PARALLEL): Add 3 operands.
15165 (OMP_SECTIONS): Add 1 operand.
15166 (OMP_RETURN_EXPR): Define.
15168 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
15169 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
15170 * tree-iterator.c (alloc_stmt_list): Assert that we are not
15171 creating a circular free list.
15172 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
15174 * tree-flow.h (move_sese_region_to_fn): Declare.
15175 (record_vars_into): Declare.
15176 * tree-cfg.c (make_omp_sections_edges): New.
15177 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
15178 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
15179 OMP_SECTIONS and OMP_SECTION.
15180 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
15181 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
15182 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
15183 (gather_blocks_in_sese_region): New.
15184 (struct move_stmt_d): Declare.
15185 (move_stmt_r): New.
15186 (move_block_to_fn): New.
15187 (move_sese_region_to_fn): New.
15189 * passes.c (init_optimization_passes): Schedule
15190 pass_expand_omp after pass_init_datastructures.
15192 * tree-ssa-operands.c (get_expr_operands): Handle
15193 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
15194 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
15196 2006-01-19 Jeff Law <law@redhat.com>
15198 * tree-vrp.c (extract_range_from_assert): Refine the result range
15199 if the variable referenced by the ASSERT_EXPR has a range and
15200 either the tentative result range or the previous range is a
15203 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15205 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
15207 2006-01-19 Jan Hubicka <jh@suse.cz>
15209 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
15211 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
15213 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
15214 (expand_compound_operation, expand_field_assignment): Fail if the
15215 bit lengths of an extract operation are out of range.
15216 (make_extraction): Compute wanted_inner_mode based on the position
15217 and length of the extraction. Make it extraction_mode for non-constant
15218 positions, and do not modify offset in that case. When generating a
15219 new MEM, use a mode that can hold the extraction while keeping correct
15220 alignment. Remove code that supported MEMs wrapped by USEs.
15221 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
15223 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
15225 * config/s390/s390.md ("Y", "y"): New mode attribute.
15226 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
15227 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
15228 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
15229 "*addsi3_imm_cc", "*addsi3_carry1_cc",
15230 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
15231 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
15232 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
15233 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
15234 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
15235 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
15236 "addsi3", "subsi3"): Insn patterns removed.
15237 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
15238 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
15239 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
15240 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
15241 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
15242 "*sub<mode>3_cconly2"): New insn patterns.
15243 ("addsi3", "subsi3"): New expanders.
15245 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
15247 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
15248 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
15249 existing STMT_VINFO_VECTYPE if available.
15250 (vect_mark_relevant): Add special handling for stmts that are
15251 marked as STMT_VINFO_IN_PATTERN_P.
15252 (vect_analyze_loop): Call vect_pattern_recog.
15253 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
15254 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
15256 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
15257 (vect_recog_func_ptr): New function-pointer type.
15258 * tree-vect-patterns.c: New file.
15259 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
15260 (vect_recog_dot_prod_pattern, vect_pattern_recog):
15261 (vect_pattern_recog_1): New functions.
15262 (vect_pattern_recog_funcs): New array of function pointers.
15264 * tree-vectorizer.h (ternary_op): New enum value.
15265 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
15266 declaration. Revised documentation. Removed redundant dump prints.
15267 Removed redundant argument. Added support for reduction patterns.
15268 (vectorizable_reduction): Added support for reduction patterns.
15269 (vect_transform_stmt): Added support for patterns.
15271 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
15272 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
15273 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
15274 (expand_widen_pattern_expr): New function.
15275 (init_optabs): Initialize new optabs udot_prod_optab,
15277 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
15278 (sdot_prod_optab, udot_prod_optab): Define new optabs.
15279 (expand_widen_pattern_expr): New function declaration.
15280 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
15282 * tree-inline.c (estimate_num_insns_1): Added cases for new
15283 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15284 * tree-pretty-print.c (dump_generic_node): Likewise.
15285 (op_prio): Likewise.
15286 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
15287 * tree-ssa-operands.c (get_expr_operands): Added case for
15289 * tree-vect-patterns.c (widened_name_p): New function.
15290 (vect_recog_dot_prod_pattern): Added function implementation.
15291 * tree-vect-transform.c (get_initial_def_for_reduction): Added
15292 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
15293 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
15294 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
15296 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
15297 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
15298 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
15299 (init_optabs): Initialize new optabs widen_ssum_optab,
15301 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
15302 (widen_ssum_optab, widen_usum_optab): Define new optabs.
15303 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
15304 use instead of type of def.
15305 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
15306 function implementation.
15307 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
15308 widen_ssumv8hi): New.
15310 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
15313 2006-01-19 Richard Sandiford <richard@codesourcery.com>
15316 * c-decl.c (add_flexible_array_elts_to_size): New function.
15317 (finish_decl): Use it.
15319 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
15321 * diagnostic.h: Include options.h.
15322 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
15323 dependancies for diagnostic.h.
15324 * Makefile.in (DIAGNOSTIC_H): Add options.h.
15326 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
15328 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
15329 (ssa_ro_call_cache_valid): Ditto.
15330 * tree-ssa-alias.c (sort_tags_by_id): New function.
15331 (init_transitive_clobber_worklist): Ditto.
15332 (add_to_worklist): Ditto.
15333 (mark_aliases_call_clobbered): Ditto.
15334 (compute_tag_properties): Ditto.
15335 (set_initial_properties): Ditto.
15336 (compute_call_clobbered): Ditto.
15337 (compute_may_aliases): Call compute_call_clobbered and grouping.
15338 (compute_flow_sensitive_aliasing): Remove clobbering related code.
15339 (compute_flow_insensitive_aliasing): Grouping now happens in our
15341 (setup_pointers_and_addressables): Remove clobbering related code.
15342 (add_may_alias): Ditto.
15343 (replace_may_alias): Ditto.
15344 (get_nmt_for): Ditto.
15345 (create_global_var):
15346 (is_escape_site): Return an escape_type enumeration.
15347 * tree-flow-inline.h (is_call_clobbered): Global var does not
15348 imply call clobbered.
15349 (mark_call_clobbered): Take a reason for marking this. Remove
15350 marking of globalness, and cache invalidation.
15351 (clear_call_clobbered): Remove cache invalidation code.
15352 * tree-dfa.c (dump_variable): If details is on, dump the reason
15354 * tree-outof-ssa.c (create_temp): Copy escape mask from original
15356 * tree-flow.h (struct ptr_info_def): Add escape mask member.
15357 (struct var_ann_d): Ditto.
15358 (enum escape_type): New.
15359 (mark_call_clobbered): Adjust prototype.
15360 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
15361 are never call clobbered.
15362 Record reasons for escaping.
15363 * tree-ssa-structalias.h (is_escape_site): Update prototype.
15364 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
15365 (ssa_ro_call_cache_valid): Ditto.
15366 (clobbered_v_may_defs): Ditto.
15367 (clobbered_vuses): Ditto.
15368 (ro_call_vuses): Ditto.
15369 (clobber_stats): New.
15370 (init_ssa_operands): Zero out clobber stats.
15371 (fini_ssa_operands): Print out clobber stats.
15372 (get_call_expr_operands): Pass callee fndecl to
15373 add_call_read_ops).
15374 (add_call_clobber_ops): Remove use of cache.
15375 Add use of PURE_CONST information.
15376 (add_call_read_ops): Remove use of cache.
15377 Add use of static not_read information.
15379 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
15381 Introduce TLS descriptors for i386 and x86_64.
15382 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
15383 (TARGET_ANY_GNU_TLS): New macro.
15384 (enum tls_dialect): Added TLS_DIALECT_GNU2.
15385 (struct machine_function): Add tls_descriptor_call_expanded_p.
15386 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
15387 (ix86_current_function_calls_tls_descriptor): Likewise.
15388 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
15389 (override_options): Introduce gnu2 tls dialect.
15390 (ix86_frame_pointer_required): Functions containing TLSCALLs are
15392 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
15394 (legitimize_tls_address): Adjust logic for GNU2 TLS.
15395 (ix86_init_machine_status): Initialize new field.
15396 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
15397 (ix86_tls_module_base): New.
15398 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
15399 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
15400 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
15401 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
15402 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
15403 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
15404 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
15405 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
15406 * config/i386/predicates.md (tls_modbase_operand): New.
15407 (tp_or_register_operand): New.
15409 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
15411 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
15412 (look_for_address_of): Ditto.
15413 (ipa_init): Walk the function decls.
15414 (static_execute): Don't set readonly on FUNCTION_DECL's.
15416 2006-01-18 Roger Sayle <roger@eyesopen.com>
15418 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
15419 for shifts where the source and destination registers are different.
15421 2006-01-18 Paul Brook <paul@codesourcery.com>
15423 Merge from csl-arm-branch.
15424 2005-03-14 Julian Brown <julian@codesourcery.com>
15425 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
15426 (aeabi_llsl): Likewise.
15427 (ashrdi3): Likewise.
15428 (aeabi_lasr): Likewise.
15429 (lshrdi3): Likewise.
15430 (aeabi_llsr): Likewise.
15431 2005-03-10 Julian Brown <julian@codesourcery.com>
15432 * config.gcc: Disable shared libgcc for SymbianOS.
15433 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
15435 2006-01-18 DJ Delorie <dj@redhat.com>
15437 * c-pragma.c (handle_pragma_diagnostic): New.
15438 (init_pragma): Register it.
15439 * doc/extend.texi: Document it.
15441 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
15442 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
15443 (diagnostic_context): Add classify_diagnostic[].
15444 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
15445 as errors if they're overridden to DK_WARNING.
15446 (diagnostic_initialize): Initialize classify_diagnostic[].
15447 (diagnostic_set_kind_override): New.
15448 (diagnostic_report_diagnostic): Check for kind changes.
15449 * opts.c (common_handle_option): Take lang_mask. Update callers.
15450 Handle OPT_Werror_.
15451 * common.opt (Werror=): New.
15452 * doc/invoke.texi: Document -Werror=*
15454 2006-01-18 Jeff Law <law@redhat.com>
15456 * tree-vrp.c (test_for_singularity): Correct test for new
15457 min limit. Use operand_equal_p rather than pointer equality
15458 for testing if new min/max values are equal.
15460 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
15461 using range information until after propagation and folding.
15463 2006-01-18 Richard Henderson <rth@redhat.com>
15464 Aldy Hernandez <aldyh@redhat.com>
15465 Jakub Jelinek <jakub@redhat.com>
15466 Diego Novillo <dnovillo@redhat.com>
15468 * omp-low.c: New file.
15469 * c-omp.c: New file.
15471 2006-01-18 Richard Henderson <rth@redhat.com>
15472 Jakub Jelinek <jakub@redhat.com>
15473 Diego Novillo <dnovillo@redhat.com>
15475 * doc/invoke.texi: Document -fopenmp.
15476 * tree-dump.h (debug_function): Declare.
15477 * hooks.c (hook_bool_tree_bool_false): New function.
15478 (hook_tree_tree_null): Remove.
15479 (hook_tree_tree_tree_null): New.
15480 * hooks.h: Update to match.
15481 * tree-pretty-print.c (debug_tree_chain): New.
15482 (print_generic_expr): Handle TDF_CHAIN.
15483 (dump_generic_node): Handle BLOCK.
15484 Do not abort with incomplete SWITCH_EXPRs.
15485 Do not dump body of an OpenMP directive if TDF_SLIM is given.
15486 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
15487 print space after directive name.
15488 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
15489 Handle OMP_MASTER and OMP_ORDERED.
15490 Handle printing of OMP_BODY just in one place, goto
15491 dump_omp_body in the rest of OMP_* nodes that have
15493 Don't handle clause nodes here. Update omp statements to
15494 use dump_omp_clauses.
15495 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
15496 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
15497 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
15498 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
15499 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
15500 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
15501 Adjust output for GOMP_PARALLEL.
15502 (dump_omp_clauses): New.
15503 (print_declaration): Dump DECL_VALUE_EXPR.
15504 (op_symbol_1): Split out of op_symbol.
15505 (dumping_stmts): Remove. Update all users.
15506 * cgraph.c (cgraph_analyze_queue): New.
15507 (cgraph_add_new_function): New.
15508 * cgraph.h (cgraph_analyze_queue): Declare.
15509 (cgraph_add_new_function): Declare.
15510 (cgraph_lower_function): Remove.
15511 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
15512 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
15513 and TYPE_P nodes in its default clause.
15514 (empty_body_p): New.
15515 (tree_range_check_failed): New.
15516 (build5_stat): New.
15517 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
15518 OMP_CLAUSE_REDUCTION_MERGE,
15519 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
15520 OMP_CLAUSE_PRIVATE_DEBUG,
15521 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
15522 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
15523 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
15524 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
15525 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
15526 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
15527 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
15528 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
15529 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
15530 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
15531 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
15532 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
15533 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
15534 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
15535 (TREE_RANGE_CHECK): New.
15536 (empty_body_p): Declare.
15537 (enum omp_clause_default_kind): New.
15538 (build_string_literal): Declare.
15539 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
15540 (build5_stat, build5): Declare.
15541 * tree-pass.h (TDF_CHAIN): Define.
15542 * tree-pass.h (PROP_gimple_lomp): Define.
15543 (pass_lower_omp): Declare.
15544 * diagnostic.h (debug_tree_chain): Declare.
15545 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
15547 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
15548 * builtins.c (build_string_literal): Make extern.
15549 * gcc.c (include_spec_function): New.
15550 (static_spec_functions): Add it.
15551 (main): Move load of libgomp.spec ...
15552 (LINK_COMMAND_SPEC): ... here.
15553 (link_gomp_spec): New.
15554 (static_specs): Include it.
15555 (LINK_COMMAND_SPEC): Add link_gomp.
15556 (GOMP_SELF_SPECS): New.
15557 (driver_self_specs): Include it.
15558 (switch_matches): Don't mark inline.
15559 (main): Load libgomp.spec.
15560 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
15561 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
15562 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
15563 * tree-gimple.h (enum omp_parallel): Declare.
15564 (determine_parallel_type): Declare.
15565 (omp_firstprivatize_variable): Declare.
15566 (omp_reduction_init): Declare.
15567 (diagnose_omp_structured_block_errors): Declare.
15568 (struct walk_stmt_info): Add want_return_expr.
15569 (struct walk_stmt_info): Add want_bind_expr, want_locations.
15570 (find_omp_clause): Declare.
15571 (insert_field_into_struct): Declare.
15572 (struct walk_stmt_info): Move from tree-nested.c
15573 (walk_stmts): Declare.
15574 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
15576 * cgraphunit.c (cgraph_lower_function): Make static.
15577 (cgraph_finalize_pending_functions): New.
15578 (cgraph_finalize_function): Call it.
15579 (cgraph_finalize_compilation_unit): Likewise.
15580 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
15581 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
15582 (BT_FN_UINT_UINT): New.
15583 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15584 DEF_FUNCTION_TYPE_VAR_4): Document.
15585 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15586 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15587 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15588 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15589 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15590 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15591 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15592 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15593 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15594 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15595 into separate files.
15596 (DEF_GOMP_BUILTIN): New.
15597 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15598 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15599 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15600 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15601 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15602 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15603 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15604 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15605 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15606 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15607 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15608 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15609 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15610 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15611 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15612 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15613 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15614 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15615 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15616 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15617 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15618 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15619 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15620 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15621 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15622 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15623 * sync-builtins.def: New file, moved from builtins.def.
15624 * omp-builtins.def: New file, moved from builtins.def.
15625 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15626 * gimple-low.c (lower_function_body): Clear data.
15627 (lower_stmt): Do not handle COMPOUND_EXPR.
15628 Remove call to print_node_brief.
15629 * c-tree.h (c_finish_omp_clauses): New prototype.
15630 (C_DECL_THREADPRIVATE_P): Define.
15631 (lookup_name_no_remap, c_omp_remap_private): Remove
15632 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15633 (check_for_loop_decls): Update decl.
15634 (lookup_name_no_remap, c_omp_remap_private): Declare.
15635 (build_indirect_ref, build_modify_expr, pushdecl,
15636 pushdecl_top_level): Move to c-common.h.
15637 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15638 before the switch, but just in the 2 places that need it.
15639 * c-decl.c (diagnose_mismatched_decls): Do not check for
15640 mismatched thread-local attributes when OLDDECL is marked
15641 threadprivate and NEWDECL has no thread-local attributes.
15642 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15643 (c_gimple_diagnostics_recursively): Rename from
15644 c_warn_unused_result_recursively. Invoke
15645 diagnose_omp_structured_block_errors.
15646 (check_for_loop_decls): Return a singular decl found.
15647 * langhooks.c (lhd_omp_predetermined_sharing): Return
15648 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15649 (lhd_omp_firstprivatize_type_sizes): New.
15650 (lhd_omp_assignment): New.
15651 (lhd_omp_predetermined_sharing): New.
15652 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15653 (struct lang_hooks_for_types): Add
15654 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15655 omp_predetermined_sharing, omp_disregard_value_expr,
15656 omp_private_debug_clause, omp_clause_default_ctor,
15657 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15658 (c_finish_omp_clauses): New.
15659 (c_finish_bc_stmt): Diagnose break within omp for.
15660 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15661 (build_unary_op): Return error_mark after reporting
15663 (build_modify_expr): Likewise.
15664 * gimplify.c: Include optabs.h and pointer-set.h.
15665 (enum gimplify_omp_var_data): Declare.
15666 (struct gimplify_omp_ctx): Declare.
15667 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15669 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15670 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15671 (splay_tree_compare_decl_uid): New.
15672 (new_omp_context): New.
15673 (delete_omp_context): New.
15674 (gimple_add_tmp_var): Call omp_add_variable.
15675 (gimplify_bind_expr): Likewise.
15676 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15677 true, disregard DECL_VALUE_EXPR on the decl if any.
15678 (gimplify_expr_in_ctx): New.
15679 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15680 omp_add_variable, omp_notice_variable, omp_is_private
15681 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15682 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15683 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15684 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15685 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15686 gimplify_omp_atomic): New.
15687 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15688 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15689 OMP_CRITICAL and OMP_ATOMIC.
15690 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15691 * c-pragma.h (enum pragma_kind): Add
15692 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15693 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15694 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15695 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15696 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15697 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15698 PRAGMA_OMP_THREADPRIVATE.
15699 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15700 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15701 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15702 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15703 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15704 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15705 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15706 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15707 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15708 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15709 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15710 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15711 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15713 (struct nesting_info): Add field_map,
15714 suppress_expansion, debug_var_chain.
15715 (create_nesting_tree): Initialize them.
15716 (lookup_field_for_decl): Use field_map.
15717 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15718 (convert_local_omp_clauses): New.
15719 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15720 (walk_body): Split out of walk_function.
15721 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15722 (convert_nonlocal_reference): Handle omp statements.
15723 (convert_local_reference): Likewise.
15724 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15725 (unnest_nesting_tree): New.
15726 (lower_nested_functions): Call it.
15727 (insert_field_into_struct): Make extern.
15728 (struct walk_stmt_info): Move to tree-gimple.h.
15729 (walk_stmts): Make extern.
15730 * omp-builtins.def: New file.
15731 * tree-iterator.c (expr_only): Clarify comment.
15732 * c-common.h (pushdecl_top_level, pushdecl,
15733 build_modify_expr, build_indirect_ref,
15734 c_finish_omp_master, c_finish_omp_critical,
15735 c_finish_omp_ordered, c_finish_omp_barrier,
15736 c_finish_omp_atomic, c_finish_omp_flush,
15737 c_finish_omp_for, c_split_parallel_clauses,
15738 omp_clause_default_kind, c_omp_sharing_predetermined,
15739 c_omp_remap_decl): Declare.
15740 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15741 (OBJS-common): Add omp-low.o.
15742 (c-omp.o, omp-low.o): Add.
15743 (gimplify.o): Add dependency on $(OPTABS_H).
15744 (GTFILES): Add omp-low.c.
15745 (gt-stringpool.h): Add.
15746 * tree-cfg.c (set_bb_for_stmt): Do not update the
15747 block-to-labels map if we are currently expanding to RTL.
15748 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15750 Handle IDENTIFIER_NODE.
15751 (tree_verify_flow_info): Do not ICE when emitting error
15752 messages about invalid labels.
15753 (dump_function_to_file): Reset CFUN before emitting the body
15755 (debug_function): New.
15756 * passes.c (init_optimization_passes): Schedule
15758 * langhooks-def.h (lhd_omp_predetermined_sharing,
15759 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15761 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15762 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15763 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15764 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15765 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15766 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15767 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15768 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15769 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15770 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15771 (LANG_HOOK_DECLS): Use them.
15773 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15774 Richard Henderson <rth@redhat.com>
15775 Jakub Jelinek <jakub@redhat.com>
15776 Diego Novillo <dnovillo@redhat.com>
15778 * c-parser.c (pragma_omp_clause): Define.
15779 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15780 (c_parser_compound_statement): Likewise.
15781 (c_parser_statement): Likewise.
15782 (c_parser_pragma): Handle omp pragmas.
15783 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15784 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15785 (c_parser_omp_clause_name, check_no_duplicate_clause,
15786 c_parser_omp_variable_list,
15787 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15788 c_parser_omp_clause_copyprivate,
15789 c_parser_omp_clause_default,
15790 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15791 c_parser_omp_clause_lastprivate,
15792 c_parser_omp_clause_nowait,
15793 c_parser_omp_clause_num_threads,
15794 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15795 c_parser_omp_clause_reduction,
15796 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15797 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15798 c_parser_omp_atomic, c_parser_omp_barrier,
15799 c_parser_omp_critical, c_parser_omp_flush,
15800 c_parser_omp_for_loop, c_parser_omp_for,
15801 c_parser_omp_master, c_parser_omp_ordered,
15802 c_parser_omp_sections_scope, c_parser_omp_sections,
15803 c_parser_omp_parallel, c_parser_omp_single,
15804 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15805 * c-pragma.c (init_pragma): Do omp pragma registration here.
15806 * c.opt (fopenmp): New flag.
15808 2006-01-18 Eric Christopher <echristo@apple.com>
15810 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15811 * config/darwin.h (GOMP_SELF_SPECS): Define.
15813 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15815 * rtl.h: Remove the prototype for reg_alloc.
15817 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15820 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15821 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15822 sjlj and dwarf2 exception handling.
15823 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15824 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15825 * pa/pa.c (function_value): Treat complex and vector types as
15827 (function_arg): Likewise. Only pass scalar floats in the floating
15828 point argument registers.
15829 * pa/t-slibgcc-dwarf-ver: New file.
15830 * pa/t-slibgcc-sjlj-ver: New file.
15831 * pa/t-slibgcc-elf-ver: Delete file.
15833 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15835 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15836 unlikely_test_section_p test.
15838 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15840 * mode-switching.c (optimize_mode_switching): Make it static.
15841 * basic-block.h: Remove the prototype for
15842 optimize_mode_switching.
15844 * modulo-sched.c (sms_schedule): Make it static.
15845 * rtl.h: Remove the prototype for sms_schedule.
15847 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15848 * rtl.h: Remove the prototype for gcse_after_reload_main.
15850 * reg-stack.c (reg_to_stack): Make it static.
15851 * rtl.h: Remove the prototype for reg_to_stack.
15853 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15855 * rtl.h: Remove the prototypes for regrename_optimize and
15856 copyprop_hardreg_forward.
15858 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15860 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15861 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15862 Test against the appropriate null constant for the mode.
15863 If 'fixup_overlap' is true, swap the operands if they overlap.
15864 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15865 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15866 alpha_split_tmode_pair and adjust for above change.
15867 * config/alpha/alpha.md (movtf_internal): Adjust call to
15868 alpha_split_tfmode_pair and rely on it to swap the operands.
15869 (movti_internal): New insn and post-reload splitter.
15870 (movti): New expander.
15872 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15874 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15877 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15879 * rtlanal.c (global_reg_mentioned_p_1,
15880 global_reg_mentioned_p): Remove.
15881 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15883 * flow.c (initialize_uninitialized_subregs): Make it static.
15884 * rtl.h: Remove the prototype for
15885 initialize_uninitialized_subregs.
15887 * function.c (instantiate_virtual_regs): Make it static.
15888 * function.h: Remove the prototype for
15889 instantiate_virtual_regs.
15891 * regmove.c (regmove_optimize, combine_stack_adjustments):
15893 * rtl.h: Remove the prototypes for regmove_optimize and
15894 combine_stack_adjustments.
15896 2006-01-17 Roger Sayle <roger@eyesopen.com>
15898 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15899 (size_cost): Encode costs in bytes so that a reg-reg addition is
15900 equivalent to COSTS_N_INSNS(1).
15901 (override_options): Use the size_cost.branch_cost as the default
15902 ix86_branch_cost when optimizing for size.
15904 2006-01-18 Ben Elliston <bje@au.ibm.com>
15906 * Makefile.in (D32PBIT_FUNCS): New.
15907 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15908 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15909 D64PBIT_FUNCS and D128PBIT_FUNCS.
15910 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15911 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15913 (decnumber_dep): Define.
15914 * doc/libgcc.texi (Decimal float library routines): New node.
15915 * config/dfp-bit.h, config/dfp-bit.c: New files.
15917 2006-01-18 Ben Elliston <bje@au.ibm.com>
15919 * expr.c (emit_move_change_mode): Always adjust addresses, not
15920 just during reload. Copy replacements only during reload.
15921 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15922 emit_move_via_integer.
15924 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15926 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15927 instead of $(srcdir) and ${srcdir}.
15929 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15932 PR middle-end/11135
15933 * arm.h (struct machine_function): Add pic_reg.
15934 * arm.c (arm_pic_register): Make unsigned.
15935 (arm_override_options): Only set arm_pic_register if
15936 TARGET_SINGLE_PIC_BASE.
15937 (use_return_insn): Only test for a pic register if it is fixed.
15938 (arm_compute_save_reg0_reg12_mask): Likewise.
15939 (thumb_compute_save_reg_mask): Likewise.
15940 (legitimate_pic_operand): Factor out some known invariants.
15941 (legitimize_pic_address): If we don't have a fixed pic register,
15942 then set up a pseudo in the function entry sequence. Handle the
15943 pic base being in a pseudo.
15944 (arm_load_pic_register): Handle the pic register being in a pseudo.
15945 (arm_expand_prologue): Only set up the pic register if it is fixed.
15946 (thumb_expand_prologue): Likewise.
15947 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15948 (pic_load_addr_based_insn): Likewise.
15949 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15952 2006-01-18 Ben Elliston <bje@au.ibm.com>
15954 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15955 decimal float modes for all floating point registers.
15957 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15958 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15960 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15963 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15964 even when the pointer is not NULL.
15966 2006-01-16 Ian Lance Taylor <ian@airs.com>
15968 * common.opt (ftoplevel-reorder): New option.
15969 * cgraph.c (cgraph_asm_nodes): New global variable.
15970 (cgraph_asm_last_node): New static variable.
15971 (cgraph_order): New global variable.
15972 (cgraph_create_node): Set new order field.
15973 (cgraph_varpool_node): Likewise.
15974 (decide_is_variable_needed): Return true if not
15975 flag_toplevel_reorder.
15976 (cgraph_add_asm_node): New function.
15977 * cgraph.h (struct cgraph_node): Add order field.
15978 (struct cgraph_varpool_node): Add order field.
15979 (struct cgraph_asm_node): Define.
15980 (cgraph_asm_nodes, cgraph_order): Declare.
15981 (cgraph_add_asm_node): Declare.
15982 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15984 (cgraph_varpool_assemble_pending_decls): Call it.
15985 (cgraph_output_pending_asms): New static function.
15986 (cgraph_finalize_compilation_unit): Call it.
15987 (struct cgraph_order_sort): Define.
15988 (cgraph_output_in_order): New static function.
15989 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15990 !flag_toplevel_reorder case.
15991 * c-parser.c: Include "cgraph.h".
15992 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15994 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15995 than -fno-unit-at-a-time.
15996 * doc/invoke.texi (Option Summary): Mention
15997 -fno-toplevel-reorder.
15998 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15999 -funit-at-a-time documentation.
16001 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
16002 Kazu Hirata <kazu@codesourcery.com>
16004 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
16006 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
16008 * Makefile.in (FUNCTION_H): New. Use it instead of
16009 function.h throughout the file.
16010 * function.h: Include tree.h.
16012 2006-01-17 Ben Elliston <bje@au.ibm.com>
16014 * recog.c: Separate some functions with whitespace.
16016 2006-01-16 Richard Henderson <rth@redhat.com>
16018 Merge from gomp branch:
16019 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
16020 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
16021 and rename from struct inline_data. Rename callee* to dst*;
16022 caller* to src*; add copy_decl hook, transform_call_graph_edges,
16023 transform_new_cfg, transform_return_to_modify, and
16024 transform_lang_insert_block flags; remove cloning_p, versioning_p,
16026 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
16027 (copy_decl_for_dup): Remove.
16028 * tree-inline.c (struct inline_data): Move to header.
16029 (insert_decl_map): Export.
16030 (remap_decl): Update for member name changes. Use copy_decl hook.
16031 Allow for replacement to be a non-decl. Remove dead code.
16032 (remap_type_1): Check for existing mapping.
16033 (remap_type): Export.
16034 (remap_decls): Update for member name changes.
16035 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
16036 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
16037 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
16038 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
16039 (tree_function_versioning, build_duplicate_type): Likewise.
16040 (copy_body_r): Likewise. Export.
16041 (copy_decl_for_dup): Split into ...
16042 (copy_decl_for_dup_finish, copy_decl_to_var,
16043 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
16044 (replace_ref_tree, inlining_p): Remove.
16046 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16048 * ifcvt.c (if_convert): Make it static.
16049 * rtl.h: Remove the prototype for if_convert.
16051 * local-alloc.c (local_alloc): Make it static.
16052 * rtl.h: Remove the prototype for local_alloc.
16054 * loop.c (loop_optimize): Make it static.
16055 * cfgloop.h: Remove the prototype for loop_optimize.
16058 2006-01-16 DJ Delorie <dj@redhat.com>
16060 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
16063 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16065 * pa.md: Disparage copies between general and floating-point registers
16066 in 32-bit move patterns.
16068 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
16071 * Makefile.in (check-%): Depend on site.exp instead of
16072 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
16075 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16077 * global.c (global_alloc): Make it static.
16078 * rtl.h: Remove the prototype for global_alloc.
16080 2006-01-16 Richard Guenther <rguenther@suse.de>
16082 * tree-ssa-alias.c (struct used_part): Add write_only field.
16083 (get_or_create_used_part_for): Initialize it to true.
16084 (create_overlap_variables_for): Don't create structure variables
16085 for structures that only are written to.
16086 (find_used_portions): Handle MODIFY_EXPR to track whether a
16087 structure is only written to.
16089 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16091 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
16093 * basic-block.h: Remove the prototype for
16094 partition_hot_cold_basic_blocks.
16096 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
16098 * cppspec.c (lang_specific_spec_functions): Remove.
16099 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
16100 * gcc.h (lang_specific_spec_functions): Remove.
16101 * gccspec.c (lang_specific_spec_functions): Remove.
16103 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
16105 * combine.c (record_value_for_reg): Invalidate registers
16107 (record_dead_and_set_regs_1): Likewise, by passing them to
16108 record_value_for_reg.
16109 (record_dead_and_set_regs): Invalidate stores made by a
16110 call. We do not combine across a call, but we still
16111 relied on equivalences.
16113 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16115 * tree-vrp.c (extract_range_from_binary_expr): Cope with
16116 vrp_int_const_binop returning non-constant nodes.
16118 2006-01-16 Paul Brook <paul@codesourcery.com>
16120 * config/m68k/m68k.c (output_move_const_into_data_reg):
16121 Output correct mnemonic for mvz and mvs.
16123 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
16125 * rtl-factoring.c: Add sequence abstraction algorithm.
16126 * cfgcleanup.c (outgoing_edges_match): Extra checks.
16127 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
16129 (block_has_preserve_label): New function.
16130 * common.opt: Register new pass.
16131 * Makefile.in: Ditto.
16133 * timevar.def: Ditto.
16134 * tree-pass.h: Ditto.
16135 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
16136 * rtl.h (make_jump_insn_raw): Add forward decl.
16137 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
16139 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
16140 Roger Sayle <roger@eyesopen.com>
16142 * fold-const.c (fold_minmax): New static function.
16143 (fold_binary) <MIN_EXPR>: Call it.
16144 <MAX_EXPR>: Likewise.
16145 * stor-layout.c (place_field): Use DECL_SIZE consistently
16146 in the computation of the new record size.
16148 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
16150 * cse.c (cse_condition_code_reg): Make it static.
16151 * rtl.h: Remove the prototype for cse_condition_code_reg.
16153 * combine.c (combine_instructions): Make it static.
16154 * rtl.h: Remove the prototype for combine_instructions.
16156 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16159 * tree.c (get_file_function_name_long): Concatenate the first global
16160 object name with a string derived from the input filename of the object
16163 2006-01-16 Ben Elliston <bje@au.ibm.com>
16165 * config/i386/winnt-stubs.c: Update FSF address.
16166 * config/xtensa/ieee754-df.S: Ditto.
16167 * config/xtensa/ieee754-sf.S: Ditto.
16169 2006-01-14 Ian Lance Taylor <ian@airs.com>
16171 * ifcvt.c (noce_init_if_info): New static function, broken out of
16172 noce_process_if_block.
16173 (noce_process_if_block): Call noce_init_if_info.
16174 (check_cond_move_block): New static function.
16175 (cond_move_process_if_block): New static function.
16176 (process_if_block): Call cond_move_process_if_block.
16178 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
16180 * cselib.c (hash_table): Rename to cselib_hash_table.
16181 (cselib_clear_table, discard_useless_values,
16182 remove_useless_values, cselib_lookup_mem, cselib_lookup,
16183 cselib_init, cselib_finish): Adjust uses of hash_table.
16185 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
16187 PR tree-optimization/25485
16188 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
16189 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
16190 is known to be false and true, respectively.
16192 2006-01-14 Richard Guenther <rguenther@suse.de>
16194 PR tree-optimization/22548
16195 PR tree-optimization/22555
16196 PR tree-optimization/22501
16197 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
16198 * params.def (salias-max-array-elements): New parameter.
16199 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
16200 * doc/invoke.texi (salias-max-array-elements): Document.
16201 * tree-flow-inline.h (var_can_have_subvars): We also handle
16203 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
16205 * tree-ssa-structalias.c (params.h): Include.
16206 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
16207 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
16208 (get_constraint_for): For ADDR_EXPR operating on something
16209 containing an ARRAY_REF, add all subvars to the solution.
16210 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
16211 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
16212 for creating MUST_DEFs.
16213 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
16215 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
16217 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
16219 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
16220 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
16221 number_of_iterations_le): New functions.
16222 (number_of_iterations_special): Removed.
16223 (number_of_iterations_exit): Do not use number_of_iterations_special.
16224 * tree.c (unsigned_type_for): Always return integer type.
16226 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
16227 Richard Guenther <rguenther@suse.de>
16229 PR rtl-optimization/24257
16230 * gcse.c (find_moveable_store): Only consider a store movable
16231 when the SET_SRC of the insn can be assigned to a register.
16233 2006-01-14 Ian Lance Taylor <ian@airs.com>
16235 * tree.c (tree_not_class_check_failed): New function.
16236 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
16237 (tree_not_class_check_failed): Declare.
16239 2006-01-13 Ian Lance Taylor <ian@airs.com>
16241 * reload1.c (do_output_reload): Add assertion rejecting a
16244 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
16246 * combine.c (struct reg_stat): Add new fields truncation_label and
16248 (record_value_for_reg): Reset truncated_to_mode.
16249 (record_truncated_value): New function.
16250 (check_promoted_subreg): Call it. Rename to check_conversions.
16251 (combine_instructions): Rename check_promoted_subreg to
16253 (reg_truncated_to_mode): New function.
16254 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
16255 (gen_lowpart_or_truncate): New function.
16256 (force_to_mode): Use it instead of gen_lowpart.
16258 2006-01-13 Diego Novillo <dnovillo@redhat.com>
16260 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
16261 VAR is a tag, not its type tag.
16263 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
16265 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
16266 alternatives to match style of other entries.
16267 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
16269 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
16271 PR tree-optimization/25771
16272 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
16275 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
16278 * tree-inline.c (declare_return_variable): If the return variable
16279 was marked as a non gimple complex, set the return slot variable
16280 to be a non gimple comple variable.
16282 2006-01-13 Richard Guenther <rguenther@suse.de>
16284 * builtins.c (expand_builtin_sincos): New function.
16285 (expand_builtin_mathfn_3): Remove dead code, sin and cos
16287 (expand_builtin): Expand sincos using expand_builtin_sincos.
16289 2006-01-12 DJ Delorie <dj@redhat.com>
16291 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
16292 shift counts, separate SI shifts for m32c vs m16c, pass shift type
16293 so that constant shifts can be split.
16294 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
16295 (m32c_valid_pointer_mode): Make static.
16296 (shift_gen_func_for): New.
16297 (m32c_prepare_shift): Use it. Split large const shifts into
16299 * config/m32c/predicates.md (shiftcount_operand): Allow more
16301 (longshiftcount_operand): New.
16302 * doc/md.texi (Machine Constraints): Document In6.
16304 2006-01-13 Ben Elliston <bje@au.ibm.com>
16306 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
16307 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
16310 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
16312 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
16313 to try to avoid clobbering pieces of structures when we know
16314 something about the whole structure.
16315 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
16317 2006-01-13 Ben Elliston <bje@au.ibm.com>
16319 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
16320 return in memory, as this is no limitation is no longer present.
16322 2006-01-12 DJ Delorie <dj@redhat.com>
16324 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
16325 mova with fb, and for fb+0 -> An.
16327 * config/m32c/mov.md (peephole2): Fix enabling logic.
16329 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
16330 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
16331 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
16332 FINI_ARRAY_SECTION_ASM_OP): Define.
16334 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
16336 (m32c_legitimize_reload_address): New logic to reload FB to An.
16337 (m32c_output_reg_push): Add newline.
16338 (m32c_output_reg_pop): Likewise.
16340 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
16342 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
16344 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
16346 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
16348 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16350 * config/sh/predicates.md (sh_rep_vec): Add parallel to
16353 2006-01-11 Ben Elliston <bje@au.ibm.com>
16355 * rtlanal.c (find_reg_note): Assert insn is not null.
16357 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16359 * df-scan.c (df_hard_reg_init): Move declaration of i outside
16362 2006-01-11 Jeff Law <law@redhat.com>
16364 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
16366 (mark_threaded_blocks, register_jump_thread): New functions.
16367 (thread_through_all_blocks): Remove unwanted argument. No
16368 longer rely on e->aux to communicate thread target info.
16369 Call mark_threaded_blocks. Release the threaded_blocks
16370 bitmap and threaded_edges vector when complete.
16371 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
16372 (threaded_blocks): Remove.
16373 (tree_ssa_dominator_optimize): Remove initialization and
16374 finalization of threaded_blocks. Simplify call to
16375 thread_through_all_blocks.
16376 (thread_across_edge): Call register_jump_thread rather than
16377 storing thread information into e->aux.
16378 (free_all_edge_infos): Simplify now that e->aux is no longer
16379 used to communicate with thread_through_all_blocks.
16380 * tree-flow.h (thread_through_all_blocks): Update prototype.
16381 (register_jump_thread): Prototype.
16383 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16385 * df-core.c (df_compact_blocks, df_bb_replace): Use
16386 SET_BASIC_BLOCK instead of BASIC_BLOCK.
16388 2006-01-11 Richard Guenther <rguenther@suse.de>
16390 PR tree-optimization/25734
16391 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
16392 stop propagation after successful propagation to the LHS.
16394 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
16396 * basic-block.h (control_flow_graph): Change the type of
16397 x_basic_block_info to VEC(basic_block,gc) *.
16398 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
16400 (SET_BASIC_BLOCK): New.
16401 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
16402 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
16403 * cfgbuild.c (find_basic_blocks): Likewise.
16404 * cfglayout.c (fixup_reorder_chain): Likewise.
16405 * cfgrtl.c (create_basic_block_structure,
16406 rtl_create_basic_block): Likewise.
16407 * ifcvt.c (find_if_case_1): Likewise.
16408 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
16411 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
16413 * Makefile.in: Removed rotted odf.c entry.
16415 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
16418 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
16419 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
16420 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
16421 output pattern modifier, not %e.
16422 * config/cris/cris.c (cris_op_str): Update comment about pattern
16424 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
16425 before falling through into...
16426 <case 'E'>: Redefined from old 'e' case.
16428 2006-01-11 Jan Hubicka <jh@suse.cz>
16431 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
16433 2006-01-11 Jan Hubicka <jh@suse.cz>
16435 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
16436 * i386.c (x86_decompose_lea): Kill.
16437 (ix86_rtx_costs): Kill.
16439 2006-01-11 Jan Hubicka <jh@suse.cz>
16441 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
16442 * cgraph.h (cgraph_node): Add inline_decl.
16443 (cgraph_insert_node_to_hashtable): Declare.
16444 (save_inline_function_body): Declare.
16445 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
16447 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
16448 (cgraph_function_versioning): Update call of tree_function_versioning.
16449 (save_inline_function_body): New function.
16450 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
16451 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
16452 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
16453 (cgraph_default_inline_p): Likewise.
16454 (cgraph_decide_inlining_incrementally): Likewise.
16455 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
16456 (copy_bb): Kill saving; do updating of clones.
16457 (copy_cfg_body): Kill saving.
16458 (initialize_inlined-parameters): Likewise.
16459 (expand_call_inline): Likewise.
16461 (tree_function_versioning): New parameter "update_clones".
16462 (inlining_p): Kill saving.
16463 * tree-inline.h (tree_function_versioning): Update prototype.
16464 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
16467 2006-01-11 Ian Lance Taylor <ian@airs.com>
16469 * combine.c (struct undo): Remove is_int. Enumify types of undos.
16470 Allow undoing set of machine mode.
16471 (do_SUBST): Use enums instead of is_int.
16472 (do_SUBST_MODE): New function.
16473 (SUBST_MODE): New macro.
16474 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
16475 reg and trying to replace reg_regno_rtx with a new register.
16476 (undo_all): Use new enums, handle undoing a PUT_MODE change.
16477 (simplify_set): Use SUBST_MODE.
16478 (distribute_notes): Remove code that tried to update reg notes
16479 for regno_reg_rtx changes.
16481 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
16483 PR tree-optimization/23109
16484 PR tree-optimization/23948
16485 PR tree-optimization/24123
16487 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
16488 * tree-cfg.c (single_noncomplex_succ): New.
16489 * tree-flow.h (single_noncomplex_succ): Declare it.
16490 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16491 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
16492 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
16493 insert_bb, register_division_in, insert_reciprocals,
16494 replace_reciprocal, free_bb): New.
16495 (execute_cse_reciprocals_1): Rewritten.
16496 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
16497 Do not commit any edge insertion. Always compute dominators and
16498 create the allocation pool.
16499 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
16500 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
16501 * targhooks.c (default_min_divistions_for_recip_mul): New.
16502 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
16503 * passes.c (init_optimization_passes): Run recip after tree loop
16505 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
16507 2006-01-11 Danny Berlin <dberlin@dberlin.org>
16508 Kenneth Zadeck <zadeck@naturalbridge.com>
16510 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
16511 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
16512 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
16513 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
16514 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
16515 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
16516 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
16517 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
16518 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
16519 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
16520 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
16521 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
16522 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
16523 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
16524 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
16525 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
16526 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
16527 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
16528 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
16529 DF_SCAN_POST_ALLOC): New macros.
16530 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
16531 df_free_bb_function, df_local_compute_function, df_init_function,
16532 df_dataflow_function, df_confluence_function_0,
16533 df_confluence_function_n, df_transfer_function,
16534 df_finalizer_function, df_free_function, df_dump_problem_function,
16535 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
16536 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
16537 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
16538 df_urec_bb_info, ) New types.
16539 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
16541 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
16542 df_analyze_simple_change_some_blocks,
16543 df_analyze_simple_change_one_block, df_compact_blocks,
16544 df_bb_replace, df_bb_regno_last_use_find,
16545 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
16546 df_insn_regno_def_p, df_find_def, df_find_use,
16547 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
16548 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
16549 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
16550 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
16551 debug_df_chain, df_get_dependent_problem, df_chain_create,
16552 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
16553 df_grow_bb_info, df_chain_dump, df_print_bb_index,
16554 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
16555 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
16556 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
16557 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
16558 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
16559 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
16560 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
16561 df_ref_remove, df_insn_refs_delete, df_refs_delete,
16562 df_reorganize_refs, df_set_state, df_hard_reg_init,
16563 df_read_modify_subreg_p) New public functions.
16564 * df-core.c: The core dataflow solver and glue routines for rtl
16566 (df_init, df_add_problem, df_set_blocks, df_finish,
16567 df_hybrid_search_forward, df_hybrid_search_backward,
16568 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
16569 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
16570 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
16571 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
16572 df_reg_defined, df_find_use, df_reg_used, df_dump,
16573 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
16574 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
16575 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
16576 debug_df_useno, reset_df_after_reload): New functions.
16577 * df-scan.c: The scanning fuctions, once in df.c, completely
16578 rewritten so that they now fully model the functionality of
16579 register usage at the backend.
16580 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
16581 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
16582 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16583 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16584 df_get_artificial_defs, df_get_artificial_uses,
16585 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16586 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16587 df_refs_delete, df_reorganize_refs, df_set_state,
16588 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16589 df_def_record_1, df_defs_record, df_uses_record,
16590 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16591 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16592 df_record_exit_block_uses, df_hard_reg_init): New functions.
16594 * df-problems.c: Seven concrete dataflow problems that use the
16595 scanning in df-scan.c and are solved by the engine in df-core.c.
16596 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16597 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16598 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16599 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16600 df_ru_free_bb_info, df_ru_alloc,
16601 df_ru_bb_local_compute_process_def,
16602 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16603 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16604 df_ru_transfer_function, df_ru_free, df_ru_dump,
16605 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16606 df_rd_free_bb_info, df_rd_alloc,
16607 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16608 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16609 df_rd_transfer_function, df_rd_free, df_rd_dump,
16610 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16611 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16612 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16613 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16614 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16615 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16616 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16617 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16618 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16619 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16620 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16621 df_urec_mark_reg_use_for_earlyclobber,
16622 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16623 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16624 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16625 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16626 df_chain_create_bb_process_use, df_chain_create_bb,
16627 df_chain_finalize, df_chain_free, df_chains_dump,
16628 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16629 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16630 df_reg_lifetime): New functions.
16631 * df.c: Deleted file.
16632 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16633 consistent with new df api.
16634 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16635 rest_of_handle_sms): Ditto.
16636 * web.c (unionfind_union, union_defs, entry_register, web_main):
16638 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16639 invariant_expr_equal_p, find_defs, check_dependencies,
16640 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16641 free_inv_motion_data, move_loop_invariants): Ditto.
16642 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16643 Update dependencies.
16644 (odf.c): Added defective entry that was deleted later in day.
16645 * sched-deps.c (sched_analyze_1): Ditto.
16647 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16649 * tree-ssa-operands.c (get_expr_operands): Record addressable
16650 variables directly. Do not call add_stmt_operands for CONST_DECLs
16652 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16653 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16655 2006-01-11 Ben Elliston <bje@au.ibm.com>
16657 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16658 function returns true in the positive case.
16660 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16663 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16664 for SI, DI, SF and DF modes. Add alternatives to copy between
16665 general and floating point registers to the 32-bit patterns.
16666 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16667 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16668 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16669 generating 64-bit code.
16670 * config/pa/pa.c (output_move_double): Handle copies between general
16671 and floating registers.
16673 2006-01-10 Stuart Hastings <stuart@apple.com>
16675 * config/i386/i386.md (set_got): Update.
16676 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16677 (builtin_setjmp_receiver): Mach-O support.
16678 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16679 (GOT_SYMBOL_NAME): Define.
16680 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16681 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16682 * config/i386/i386.c (override_options): Revise for Darwin.
16683 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16684 support. (darwin_x86_file_end): New. (output_set_got): Add label
16685 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16686 * config/i386/i386-protos.h (output_set_got): Likewise.
16687 * config/darwin.c (machopic_legitimize_pic_address): Update
16690 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16692 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16693 when MODE isn't BLKmode.
16695 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16697 PR rtl-optimization/25367
16698 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16700 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16703 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16704 for a negative bound.
16706 2006-01-10 Richard Guenther <rguenther@suse.de>
16708 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16709 Never override with anything constraint.
16711 2006-01-10 Jan Beulich <jbeulich@novell.com>
16713 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16714 256 bits when optimize_size.
16716 2006-01-10 Jan Beulich <jbeulich@novell.com>
16718 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16720 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16721 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16724 2006-01-10 Ben Elliston <bje@au.ibm.com>
16726 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16728 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16729 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16730 (USE_FP_FOR_ARG): Reject decimal float modes.
16731 (function_arg_advance): Likewise.
16732 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16733 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16734 point types in AltiVec vectors.
16735 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16736 (rs6000_libcall_value): Likewise.
16738 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16740 * config/xtensa/ieee754-df.S: New file.
16741 * config/xtensa/ieee754-sf.S: New file.
16742 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16743 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16744 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16746 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16748 * config/sh/predicates.md (binary_float_operator,
16749 binary_logical_operator, commutative_float_operator,
16750 equality_comparison_operator, greater_comparison_operator,
16751 less_comparison_operator, logical_operator,
16752 noncommutative_float_operator, shift_operator,
16753 symbol_ref_operand, unary_float_operator): Remove redundant
16756 2006-01-09 Jeff Law <law@redhat.com>
16758 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16759 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16760 now unused arguments. Callers updated.
16761 (eliminate_redundant_computations): Remove now unused arguments,
16763 (local_fold): Remove, no longer used.
16764 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16766 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16767 (simplify_cond): New function.
16768 (forward_propagate_into_cond): Call simplify_cond.
16770 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16772 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16773 (*vec_extractv2di_1_sse): New.
16775 2006-01-09 Ben Elliston <bje@au.ibm.com>
16777 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16779 2006-01-08 Richard Guenther <rguenther@suse.de>
16781 * tree-ssa-structalias.c (get_constraint_for): Remove
16782 anyoffset argument.
16783 (get_constraint_for_component_ref): Likewise.
16784 (do_deref): Likewise.
16785 (get_constraint_for): Likewise.
16786 (do_structure_copy): Likewise.
16787 (handle_ptr_arith): Likewise.
16788 (find_func_aliases): Likewise. Remove unused need_anyoffset
16791 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16792 Kaz Kojima <kkojima@gcc.gnu.org>
16794 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16795 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16796 (EXTRA_CONSTRAINT_C16): Remove.
16797 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16798 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16799 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16800 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16801 constants of SHmedia. Handle nested constant expressions of
16803 (andcosts): Fix the costs for SHmedia constants.
16804 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16805 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16806 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16807 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16808 (movv4hi_i, movv2si_i): Likewise.
16809 (movsi_const): Adjust the second operand of ior so to match with
16810 the Csu constraint.
16811 (movdi_const, movdi_const_32bit): Likewise.
16812 (movdi_const_16bit+1): Don't sign-extend LOW.
16813 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16815 (*double_shori): Fix the split condition. Use GEN_INT instead
16816 of get_int_mode calls. Mask lower 16-bit of the argument of
16818 (sym2GOTPLT): Remove.
16819 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16821 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16822 instead of EXTRA_CONSTRAINT_C16.
16824 2006-01-07 Ian Lance Taylor <ian@airs.com>
16825 David Edelsohn <edelsohn@gnu.org>
16827 PR rtl-optimization/25662
16828 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16829 for constant operands instead of simplify_gen_binary.
16830 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16831 after trying simplify_binary_operation
16833 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16835 * tree.c (iterative_hash_expr): Hash decls based on UID.
16837 2006-01-06 Eric Christopher <echristo@apple.com>
16839 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16840 (TARGET_UNWIND_EMIT): Fix spelling.
16841 * target.h (gcc_target): Add except_table_label.
16842 * except.c (output_function_exception_table): Use.
16843 * varasm.c (default_emit_except_table_label): New.
16844 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16846 (asm_out): Add here.
16847 * output.h (default_emit_except_table_label): Prototype.
16848 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16849 * config/darwin.c (darwin_emit_except_table_label): Define.
16850 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16852 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16854 PR tree-optimization/18527
16855 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16856 number_of_iterations_special, number_of_iterations_exit):
16857 Move base and step of an iv to a single structure. Add
16858 no_overflow flag, and use it in # of iterations analysis.
16859 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16860 folded_casts argument.
16861 (simple_iv): Pass base and step in a structure. Set no_overflow
16863 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16864 Evaluate expensiveness of computing # of iterations instead of
16865 the final expression.
16866 * tree-scalar-evolution.h (affine_iv): New structure.
16867 (simple_iv): Declaration changed.
16868 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16869 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16870 find_givs_in_stmt): Changed due to simple_iv change.
16872 2006-01-06 Jeff Law <law@redhat.com>
16875 * tree-cfg.c (bsi_replace): Rename final argument from
16876 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16877 change (stmt -> orig_stmt).
16878 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16879 (bsi_remove): Add new argument. Remove EH information
16881 (verify_eh_throw_table_statements): New function.
16882 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16884 * tree-optimize.c (execute_free_cfg_annotations): Verify
16885 the EH throw statement table after removing annotations.
16886 * except.h (verify_eh_throw_table_statements): Prototype.
16887 * tree-flow.h (bsi_remove): Update prototype.
16888 * tree-vrp.c (remove_range_assertions): Add new argument to
16890 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16891 * tree-complex.c (expand_complex_div_wide): Likewise.
16892 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16893 * tree-tailcall.c (eliminate_tailcall): Likewise.
16894 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16895 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16896 * tree-nrv.c (tree_nrv): Likewise.
16897 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16898 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16899 (combine_blocks): Likewise.
16900 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16901 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16902 (cleanup_control_flow): Likewise.
16903 (remove_forwarder_block): Likewise.
16904 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16905 * tree-sra.c (sra_replace): Likewise.
16906 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16907 (forward_propagate_single_use_vars): Likewise.
16908 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16909 * tree-inline.c (expand_call_inline): Likewise.
16910 * tree-vect-transform.c (vect_transform_loop): Likewise.
16911 * tree-outof-ssa.c (rewrite_trees): Likewise.
16912 * tree-cfg.c (make_goto_expr_edges): Likewise.
16913 (cleanup_dead_labels): Likewise.
16914 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16915 (bsi_move_before, bsi_move_after): Likewise.
16916 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16917 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16919 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16922 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16924 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16925 on non gimple variables. Also add checks at the top for decls and
16927 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16929 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16930 and IMAGPART_EXPR for creating MUST_DEFs.
16931 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16932 and NAME_MEMORY_TAG separately from the DECLs.
16934 2006-01-06 Richard Guenther <rguenther@suse.de>
16936 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16937 annotation, if necessary.
16938 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16939 redundant calls to update_stmt.
16940 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16943 2006-01-05 Richard Henderson <rth@redhat.com>
16945 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16947 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16949 * c-typeck.c: Update copyright date.
16951 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16953 * c-typeck.c (build_c_cast): Always warn when casting
16954 from a pointer to an integer of different size, even if
16955 the node was constant.
16957 2006-01-05 Richard Guenther <rguenther@suse.de>
16959 PR tree-optimization/22555
16960 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16961 if one structure field is an array.
16962 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16963 operands even if we found a subvar, but ignore VOPs in this
16965 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16967 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16969 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16971 PR middle-end/24998
16972 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16974 2006-01-05 Richard Guenther <rguenther@suse.de>
16975 Diego Novillo <dnovillo@redhat.com>
16977 * tree-pass.h (TODO_remove_unused_locals): Define.
16978 * gimple-low.c (expand_var_p, remove_useless_vars,
16979 pass_remove_useless_vars): Remove. Update all users.
16980 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16981 (remove_unused_locals): New function.
16982 * tree-flow.h (remove_unused_locals): Declare.
16983 * passes.c (execute_todo): Call remove_unused_locals if
16984 TODO_remove_unused_locals is set.
16985 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16986 * tree-ssa-dce.c (pass_dce): Likewise.
16987 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16989 2006-01-05 Richard Guenther <rguenther@suse.de>
16991 * tree-flow.h (struct fieldoff): Decompose field to
16992 type, size and decl.
16993 * tree-ssa-alias.c (create_sft): Take type as parameter.
16994 (create_overlap_variables_for): Store type, size and decl
16995 in the fieldoff structure.
16996 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16997 of struct fieldoff.
16998 (push_fields_onto_fieldstack): Likewise.
16999 (create_variable_info_for): Likewise. Use offset for the
17000 SFT name if the decl is not available.
17002 2006-01-04 Paul Brook <paul@codesourcery.com>
17004 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
17006 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
17008 * lambda-code.c (can_put_in_inner_loop): Relax
17010 (can_put_after_inner_loop): New function.
17011 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
17012 (perfect_nestify): Change to make copies and modify uses.
17014 2006-01-04 Richard Henderson <rth@redhat.com>
17016 Merge from gomp branch:
17017 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
17018 via integer constant.
17019 (pragma_lex): Remove.
17020 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
17021 rather than parsing it.
17022 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
17023 handle_pragma_extern_prefix): Add %< %> quotes.
17024 (registered_pragmas): New.
17025 (c_register_pragma_1): New.
17026 (c_register_pragma): Use it.
17027 (c_register_pragma_with_expansion): Likewise.
17028 (c_invoke_pragma_handler): New.
17029 (init_pragma): Use cpp_register_deferred_pragma directly for
17031 * c-pragma.h (enum pragma_kind): New.
17032 (pragma_handler): New.
17033 (c_invoke_pragma_handler): Declare.
17034 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
17036 * c-common.h (c_common_pch_pragma): Update decl.
17037 * Makefile.in (c-parser.o): Update dependencies.
17038 (GTFILES): Add c-pragma.h.
17039 * c-parser.c (struct c_token): Add pragma_kind.
17040 (struct c_parser): Add in_pragma.
17041 (c_lex_one_token): Always initialize keyword and pragma_kind.
17042 Extract data for CPP_PRAGMA.
17043 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
17044 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
17045 Don't allow CPP_PRAGMA_EOL if in_pragma.
17046 (c_parser_consume_pragma): New.
17047 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
17048 (c_parser_skip_to_end_of_parameter): Likewise.
17049 (c_parser_skip_to_end_of_block_or_statement): Likewise.
17050 (c_parser_skip_to_pragma_eol): New.
17051 (c_parser_external_declaration): Handle CPP_PRAGMA.
17052 (c_parser_compound_statement_nostart): Likewise.
17053 (c_parser_statement_after_labels): Likewise.
17054 (c_parser_pragma): New.
17055 (pragma_lex): Likewise.
17056 (c_parser_pragma_pch_preprocess): New.
17057 (c_parser_new): Merge into ...
17058 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
17060 2006-01-04 Jeff Law <law@redhat.com>
17063 * tree-cfg.c (bsi_replace): Remove the original statement
17064 from the EH throw statement table.
17066 2006-01-04 Jakub Jelinek <jakub@redhat.com>
17068 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
17069 make the prototype extern "C" and add throw ().
17072 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
17073 and pos non-negative and pos + len <= 32.
17074 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
17075 drop pos + len < HOST_BITS_PER_WIDE_INT test.
17076 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
17079 * c-common.c (handle_vector_size_attribute): Reject zero vector size
17080 as well as sizes not multiple of component size.
17083 * function.c (instantiate_expr): New function.
17084 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
17085 walk its DECL_VALUE_EXPR with instantiate_expr.
17087 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
17088 DW_OP_deref{,_size} if address isn't going to be added.
17090 2006-01-04 Ben Elliston <bje@au.ibm.com>
17092 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
17093 * config/fp-bit.c: Likewise.
17095 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
17097 * dominance.c: Add comment about why we use DFS numbering
17100 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17101 Richard Henderson <rth@redhat.com>
17103 Merge from gomp-branch:
17104 * varasm.c (assemble_variable): Handle thread-local COMMON data.
17105 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
17107 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
17109 PR rtl-optimization/25578
17110 * combine.c (combine_simplify_rtx, force_to_mode): Don't
17111 pass a parameter to simplify_shift_const if changing ASHIFTRT
17114 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
17116 * builtins.c (get_builtin_sync_mem): New function.
17117 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
17118 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
17119 Call get_builtin_sync_mem to generate mem rtx.
17121 2006-01-03 Richard Guenther <rguenther@suse.de>
17124 * stmt.c (add_case_node): Make sure to clear overflow flags
17127 2006-01-03 Jakub Jelinek <jakub@redhat.com>
17129 Merge from gomp-branch.
17130 * config/sparc/sync.md: New file.
17131 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
17132 UNSPECV_LDSTUB): New constants.
17133 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
17134 * config/sparc/predicates.md (memory_reg_operand): New predicate.
17135 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
17138 2006-01-03 Roger Sayle <roger@eyesopen.com>
17140 * combine.c (reg_subword_p): New predicate to test whether the
17141 destination of a set refers to a subword/piece of a register.
17142 (try_combine): Generalize the code to merge the setting of a
17143 pseudo to a constant followed by a set of a subword of that
17144 register to a constant.
17146 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
17148 * basic-block.h (control_flow_graph): Change the type of
17149 x_label_to_block_map to VEC(basic_block,gc) *.
17150 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
17151 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
17153 * tree-ssa-propagate.c (cfg_blocks): Change the type to
17154 VEC(basic_block,heap) *.
17155 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
17156 ssa_prop_fini): Adjust the uses of cfg_blocks.
17158 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
17160 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
17162 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
17163 hashing trees instead of a pointer hash.
17164 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
17165 compare for MEM_EXPR.
17167 PR rtl-optimization/25130
17168 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
17169 when comparing MEMs for GCSE
17171 2006-01-03 Ben Elliston <bje@au.ibm.com>
17173 * targhooks.h (default_decimal_float_supported_p): Declare.
17174 * targhooks.c (default_decimal_float_supported_p): Define.
17175 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
17176 `default_decimal_float_supported_p'.
17177 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
17179 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
17181 * combine.c (apply_distributive_law <SUBREG>): Check
17182 TRULY_NOOP_TRUNCATION.
17184 2006-01-02 Geoffrey Keating <geoffk@apple.com>
17186 * dwarf2out.c (have_switched_text_section): Delete.
17187 (have_multiple_function_sections): New.
17188 (have_location_lists): Make 'bool'.
17189 (add_AT_loc_list): Use 'true' not '1'.
17190 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
17191 (output_loc_list): Use have_multiple_function_sections.
17192 (output_ranges): Likewise.
17193 (dwarf2out_begin_function): Set have_multiple_function_sections if
17195 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
17196 Check function_section rather than DECL_SECTION_NAME.
17197 (dwarf2out_finish): Use have_multiple_function_sections.
17198 Don't clear have_location_lists.
17200 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
17201 Jan Hubicka <jh@suse.cz>
17203 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
17204 case of conditional jump jumping to the next instruction.
17205 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
17206 cases of conditional jump jumping to the next instruction.
17208 2006-01-02 Jan Hubicka <jh@suse.cz>
17210 * i386.c (*_cost): Add COSTS_N_INSNS.
17211 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
17213 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
17216 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
17218 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
17220 * config/arm/arm.c (all_fpus): Fix comment typo.
17221 * config/darwin.c: Likewise.
17222 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
17223 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
17224 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
17226 2006-01-01 David Edelsohn <edelsohn@gnu.org>
17228 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
17229 (rs6000_split_compare_and_swapqhi): New.
17230 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
17231 (sync_compare_and_swapqhi_internal): New.
17232 * config/rs6000/rs6000-protos.h: Declare.