1 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * builtins.c (CASE_MATHFN_REENT): New macro.
4 (mathfn_built_in): Use it.
5 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
6 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
7 BUILT_IN_LGAMMAL_R): New.
8 * doc/extend.texi: Document new builtins.
11 * builtins.c (do_mpfr_remquo): New.
12 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
13 (fold_builtin_3): Handle BUILT_IN_REMQUO.
16 * builtins.c (fold_builtin_1): Handle y0, y1.
17 (fold_builtin_2): Handle yn.
20 * builtins.c (do_mpfr_bessel_n): New.
21 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
22 (fold_builtin_2): Handle BUILT_IN_JN.
24 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
27 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
28 TYPE_PRECISION (intmax_type_node).
30 2007-05-17 Steve Ellcey <sje@cup.hp.com>
33 * reload.c (subst_reloads): Remove checking.
35 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
37 PR rtl-optimization/31691
38 * combine.c (simplify_set): Build a new src pattern instead of
39 substituting its operands in the COMPARE case.
41 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
43 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
44 (execute_vrp): Preserve loops through jump threading.
45 * tree-ssa-threadupdate.c (thread_single_edge,
46 dbds_continue_enumeration_p, determine_bb_domination_status,
47 thread_through_loop_header): New functions.
48 (create_edge_and_update_destination_phis,
49 create_edge_and_update_destination_phis): Set loops for the new blocks.
50 (prune_undesirable_thread_requests): Removed.
51 (redirect_edges): Do not pretend that redirect_edge_and_branch can
53 (thread_block): Do not call prune_undesirable_thread_requests.
55 (mark_threaded_blocks): Select edges to thread here.
56 (thread_through_all_blocks): Take may_peel_loop_headers argument.
57 Thread edges through loop headers independently.
58 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
59 * tree-pass.h (TODO_mark_first_instance): New.
60 (first_pass_instance): Declare.
61 * cfghooks.c (duplicate_block): Put the block to the original loop
62 if copy is not specified.
63 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
64 jump threading. Pass may_peel_loop_headers to
65 thread_through_all_blocks according to first_pass_instance.
66 * cfgloop.h (create_preheader): Declare.
67 * tree-flow.h (thread_through_all_blocks): Declaration changed.
68 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
69 * passes.c (first_pass_instance): New variable.
70 (next_pass_1): Set TODO_mark_first_instance.
71 (execute_todo): Set first_pass_instance.
73 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
75 PR tree-optimization/24659
76 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
77 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
78 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
79 OTI_vec_pack_ufix_trunc.
80 (vec_unpacks_float_hi_optab): Define new macro.
81 (vec_unpacks_float_lo_optab): Ditto.
82 (vec_unpacku_float_hi_optab): Ditto.
83 (vec_unpacku_float_lo_optab): Ditto.
84 (vec_pack_sfix_trunc_optab): Ditto.
85 (vec_pack_ufix_trunc_optab): Ditto.
86 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
87 and vec_pack_[s|u]fix_trunc_optab using
88 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
89 * tree-vectorizer.c (supportable_widening_operation): Handle
90 FLOAT_EXPR and CONVERT_EXPR. Update comment.
91 (supportable_narrowing_operation): New function.
92 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
93 * tree-vect-transform.c (vectorizable_conversion): Handle
94 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
95 (vect_gen_widened_results_half): Move before vectorizable_conversion.
96 (vectorizable_type_demotion): Call supportable_narrowing_operation()
97 to check for target support.
98 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
99 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
100 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
101 for VEC_PACK_FIX_TRUNC_EXPR.
102 (expand_binop): Special case mode of the result for
103 vec_pack_[u|s]fix_trunc_optab.
104 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
105 vec_pack_[u|s]fix_trunc_optab.
107 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
108 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
109 * tree-pretty-print.c (dump_generic_node): Handle
110 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
111 VEC_PACK_FIX_TRUNC_EXPR.
113 * expr.c (expand_expr_real_1): Ditto.
114 * tree-inline.c (estimate_num_insns_1): Ditto.
115 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
117 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
118 (vec_unpacks_float_lo_v8hi): Ditto.
119 (vec_unpacku_float_hi_v8hi): Ditto.
120 (vec_unpacku_float_lo_v8hi): Ditto.
121 (vec_unpacks_float_hi_v4si): Ditto.
122 (vec_unpacks_float_lo_v4si): Ditto.
123 (vec_pack_sfix_trunc_v2df): Ditto.
125 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
127 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
128 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
129 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
130 [vec_pack_ufix_trunc]: Ditto.
131 [vec_unpacks_float_hi]: Ditto.
132 [vec_unpacks_float_lo]: Ditto.
133 [vec_unpacku_float_hi]: Ditto.
134 [vec_unpacku_float_lo]: Ditto.
136 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
138 * soft-fp/README: Update for new files.
139 * soft-fp/floattisf.c: New file.
140 * soft-fp/floattidf.c: New file.
141 * soft-fp/floattitf.c: New file.
142 * soft-fp/floatuntisf.c: New file.
143 * soft-fp/floatuntidf.c: New file.
144 * soft-fp/floatuntitf.c: New file.
145 * soft-fp/fixsfti.c: New file.
146 * soft-fp/fixdfti.c: New file.
147 * soft-fp/fixtfti.c: New file.
148 * soft-fp/fixunssfti.c: New file.
149 * soft-fp/fixunsdfti.c: New file.
150 * soft-fp/fixunstfti.c: New file.
151 * soft-fp/extendxftf.c: New file.
152 * soft-fp/trunctfxf.c: New file.
154 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
155 (__trunctfxf2): Ditto.
157 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
158 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
159 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
160 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
161 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
162 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
164 * config/i386/t-fprules-softfp64: New file.
165 * config/i386/sfp-machine.h: New file.
166 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
167 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
168 and soft-fp/t-softfp to tmake_file.
169 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
170 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
172 * config/i386/t-linux64 (softfp_wrap_start): New.
173 (softfp_wrap_end): New.
174 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
175 supported for TARGET_64BIT.
177 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
179 * c-common.c (c_common_signed_or_unsigned_type): Emulate
180 c_common_unsigned_type behavior.
182 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
184 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
187 2007-05-16 Eric Christopher <echristo@apple.com>
189 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
190 saving after stack push. Set sp_offset whenever we push.
191 (rs6000_emit_epilogue): Move altivec register restore before
194 2007-05-16 Richard Sandiford <richard@codesourcery.com>
196 * configure.ac: Allow sysroots to be relocated under $prefix as
197 well as $exec_prefix.
198 * configure: Regenerate.
200 2007-05-16 Richard Sandiford <richard@codesourcery.com>
204 2007-05-12 Richard Sandiford <richard@codesourcery.com>
206 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
207 (gcc_tooldir): Likewise.
208 * configure: Regenerate.
209 * Makefile.in (libsubdir_to_prefix): New variable, based on the
210 old configure.ac gcc_tooldir setting.
211 (prefix_to_exec_prefix): New variable.
212 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
213 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
215 2007-05-14 Janis Johnson <janis187@us.ibm.com>
217 * c-typeck.c (build_binary_op): Return early for error.
219 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
221 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
222 struct nb_iter_bound.
223 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
224 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
225 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
226 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
227 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
228 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
229 (del_scev_info): Use ggc_free.
230 (scev_initialize): Allocate scalar_evolution_info in gc memory.
231 * loop-init.c: Include ggc.h.
232 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
233 (loop_optimizer_finalize): Use ggc_free.
234 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
235 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
236 pass_iv_optimize): Add TODO_ggc_collect.
237 * function.h (struct function): Remove skip marker from x_current_loops.
238 * cfgloop.c: Include ggc.h.
239 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
241 (establish_preds): Vector superloops is gc allocated.
242 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
244 (flow_loops_find): Vector larray is gc allocated.
245 (loop_exit_free): Use ggc_free.
246 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
247 that head of exits list is now not a part of struct loop.
248 (record_loop_exits): Allocate exits table in gc memory.
249 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect that
250 head of exits list is now not a part of struct loop.
251 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
252 struct loop_exit): Add GTY marker.
253 (struct loop): Add GTY marker. Make superloops vector gc allocated.
254 Add skip marker to aux field. Make head of exits list a separate
256 (struct loops): Add GTY marker. Make larray vector gc allocated.
257 Add param marker to exits table.
258 (get_loops): Type changed.
259 * Makefile.in (tree-scalar-evolution.o): Add gt-tree-scalar-evolution.h
261 (cfgloop.o, loop-init.o): Add ggc.h dependency.
262 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
263 * basic-block.h (struct basic_block_def): Remove skip marker from
266 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
268 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
269 of 0 in the call to expand_expr().
270 (expand_builtin_mathfn_3): Ditto.
271 (expand_builtin_interclass_mathfn): Ditto.
272 (expand_builtin_cexpi): Ditto.
273 (expand_builtin_int_roundingfn): Ditto.
274 (expand_builtin_int_roundingfn_2): Ditto.
275 (expand_builtin_pow): Ditto.
276 (expand_builtin_powi): Ditto.
277 (expand_builtin_bswap): Ditto.
278 (expand_builtin_unop): Ditto.
279 (expand_builtin_fabs): Ditto.
280 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
281 the call to expand_expr().
282 (expand_builtin_sync_operation): Ditto.
283 (expand_builtin_compare_and_swap): Ditto.
284 (expand_builtin_lock_test_and_set): Ditto.
285 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
286 instead of 0 in the call to expand_expr().
287 (expand_builtin_extract_return_addr): Ditto.
288 (expand_builtin_eh_return): Ditto.
289 (expand_eh_return): Ditto.
290 * explow.c (expr_size): Ditto.
291 * expr.c (optimize_bitfield_assignment_op): Ditto.
292 (expand_assignement): Ditto.
294 (store_field): Ditto.
295 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
296 the call to expand_expr().
297 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
298 in the call to expand_expr().
299 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
300 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
301 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
303 * optabs.c (expand_vec_shift_expr): Ditto.
304 (expand_vec_cond_expr): Ditto.
305 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
306 call to expand_expr().
307 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
308 in the call to expand_expr().
310 2007-05-14 Dave Korn <dave.korn@artimi.com>
312 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
314 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
316 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
317 instead of c_common_unsigned_type.
318 (c_common_unsigned_type): Remove.
319 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
320 c_common_unsigned_type.
321 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
322 c_common_unsigned_type.
323 * c-common.h (c_common_unsigned_type): Remove.
324 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
325 c_common_unsigned_type.
326 * c-format.c (check_format_types): Use unsigned_type_for instead of
327 c_common_unsigned_type.
328 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
329 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead of
330 c_common_unsigned_type.
331 * convert.c (convert_to_integer): Use unsigned_type_for instead of
332 lang_hooks.types.unsigned_type.
333 * expmed.c (make_tree): Use unsigned_type_for instead of
334 lang_hooks.types.unsigned_type.
335 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
336 lang_hooks.types.unsigned_type.
337 (build_range_check): Likewise.
338 (fold_unary): Likewise.
339 (fold_binary): Likewise.
340 (fold_ternary): Likewise.
341 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
342 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
343 * tree.c (get_unsigned_type): New.
344 (unsigned_type_for): Use get_unsigned_type instead of
345 lang_hooks.types.unsigned_type.
347 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
349 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
350 to m68k_get_function_kind. Update its prototype.
351 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
353 (m68k_interrupt_function_p): Return enum m68k_function_type
354 instead of bool. Rename to m68k_get_function_kind.
355 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
357 (m68k_compute_frame_layout): Don't mark any register for save
358 if an interrupt_thread attribute is specified.
359 (m68k_hard_regno_rename_ok): Update a use of
360 m68k_interrupt_function_p.
361 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
362 m68k_interrupt_function_p.
363 (m68k_function_type): New.
364 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
365 for a function with an interrupt_thread attribute.
366 * doc/extend.texi: Document the interrupt_thread attribute.
368 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
370 Fix PR tree-optimization/31911
371 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
372 if they didn't change the expression.
374 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
376 * tree-scalar-evolution.c (resolve_mixers): Exported.
377 * tree-scalar-evolution.h (resolve_mixers): Declare.
378 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
379 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
380 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
381 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
382 init_array_ref, init_pointer_ref, analyze_indirect_ref,
383 strip_conversion, analyze_offset_expr, address_analysis,
384 object_analysis, analyze_offset): Removed.
385 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
386 split_constant_offset, canonicalize_base_object_address,
387 object_address_invariant_in_loop_p, disjoint_objects_p,
388 dr_may_alias_p, dr_address_invariant_p): New functions.
389 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
390 and dr_analyze_alias.
391 (initialize_data_dependence_relation): Use dr_may_alias_p
392 and object_address_invariant_in_loop_p.
393 (compute_self_dependence): Handle the case when DDR_ARE_DEPENDENT (ddr)
395 (find_data_references_in_stmt): Restrict the analysis of data references
396 to the given loop nest.
397 (find_data_references_in_loop): Made static. Pass loop nest to
398 find_data_references_in_stmt.
399 (compute_data_dependences_for_loop): Use DR_VOPS.
400 (free_data_ref): Free DR_VOPS.
401 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
402 (struct innermost_loop_behavior): ... new.
403 (struct base_object_info): Replaced by ...
404 (struct indices): ... new.
405 (struct dr_alias): New.
406 (enum data_ref_type): Removed.
407 (struct data_reference): Consist of struct innermost_loop_behavior,
408 struct indices and struct dr_alias.
409 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
410 (DR_MEMTAG): Renamed to ...
411 (DR_SYMBOL_TAG): ... this.
412 (find_data_references_in_loop): Declaration removed.
413 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
414 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
415 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
416 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
418 2007-05-13 Revital Eres <eres@il.ibm.com>
420 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
421 which walks virtual def-use chains to find redundant stores.
422 (dse_optimize_stmt): Call it.
424 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
426 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
427 * passes.c (init_optimization_passes): Move pass_jump_bypass
430 * basic-block.h (bb_has_eh_pred): Fix style issue.
432 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
434 PR rtl-optimization/31848
435 * loop-invariant.c (move_invariant_reg): If we move an insn
436 with a REG_EQUAL note, and that insn is not always executed,
437 remove the REG_EQUAL note.
439 2007-05-12 Richard Guenther <rguenther@suse.de>
441 PR tree-optimization/31797
442 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
443 propagate into a stmt that has volatile ops.
445 2007-05-12 Richard Sandiford <richard@codesourcery.com>
447 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
448 (gcc_tooldir): Likewise.
449 * configure: Regenerate.
450 * Makefile.in (libsubdir_to_prefix): New variable, based on the
451 old configure.ac gcc_tooldir setting.
452 (prefix_to_exec_prefix): New variable.
453 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
454 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
456 2007-05-11 Silvius Rus <rus@google.com>
458 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
459 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
460 * c-common.h (strict_aliasing_warning): Change return type.
461 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
462 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
463 (build_c_cast): Condition call to strict_aliasing_warning.
464 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
465 * flags.h (set_Wstrict_aliasing): Declare.
466 * opts.c (set_Wstrict_alising): Define, add call to.
467 * tree-flow.h (strict_aliasing_warning_backend): Declare.
468 * tree-ssa-alias-warnings.c: New file.
469 * tree-ssa-alias.c (compute_may_aliases): Add call to
470 strict_aliasing_warning_backend.
472 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
474 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
475 Use loop_depth and loop_outer accessor functions.
476 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
477 determine_invariantness_stmt, move_computations_stmt): Ditto.
478 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
479 add_loop, loopify, unloop, fix_loop_structure): Ditto.
480 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
481 * tree-scalar-evolution.c (interpret_loop_phi,
482 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
483 instantiate_parameters_1, scev_const_prop): Ditto.
484 * cfghooks.c (make_forwarder_block): Ditto.
485 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
486 * modulo-sched.c (loop_canon_p): Ditto.
487 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
488 slpeel_can_duplicate_loop_p): Ditto.
489 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
490 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
491 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
492 cancel_loop, verify_loop_structure): Ditto.
493 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
494 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
495 superloops vector instead of "pred" array.
496 (establish_preds): Take father loop as an argument. Initialize the
498 (flow_loop_tree_node_add): Pass father loop to establish_preds. Do not
499 initialize loop->outer.
500 (flow_loop_tree_node_remove): Truncate the superloops vector.
501 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
502 "pred" merged to "superloops" vector.
503 (loop_depth, loop_outer): New.
504 (fel_init): Use loop_outer.
506 2007-05-11 Jan Hubicka <jh@suse.cz>
508 * cgraphunit.c: Include gt-cgraphunit.h
509 (static_ctors, static_dtors): New static vars.
510 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
511 based on implementation in c-common.c
512 (cgraph_finalize_function): Call record_cdtor_fn.
513 (cgraph_optimize): Call cgraph_build_cdtor_fns.
514 * decl.c (finish_function): Do not call c_record_cdtor_fn.
515 (c_write_global_declarations): Do not call c_build_cdtor_fns.
516 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
517 build_cdtor, c_build_cdtor_fns): Remove.
518 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
519 c_build_cdtor_fns): Remove prototype.
521 2007-05-11 Paolo Carlini <pcarlini@suse.de>
524 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
525 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
526 * builtins.c (fold_builtin_memchr): New.
527 (expand_builtin_memchr): Call the latter.
528 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
529 * doc/extend.texi ([Other built-in functions provided by GCC]):
532 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
534 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
535 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
536 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
537 PFPO_OP1_TYPE_SHIFT): Constants added.
538 (DFP_ALL): Mode macro defined.
539 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
540 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
541 Insn definitions added.
542 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
543 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
546 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
548 PR tree-optimization/31885
549 * tree-chrec.c (chrec_contains_undetermined): Do not consider NULL_TREE
551 (automatically_generated_chrec_p): Return false for NULL.
553 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
555 * config/bfin/bfin.h (MOVE_RATIO): Define.
557 2007-05-10 Richard Sandiford <richard@codesourcery.com>
559 * config.gcc (sparc-wrs-vxworks): New target.
560 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
561 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
562 * config/sparc/sparc.h: Include vxworks-dummy.h.
563 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
564 include LABEL_REFs too.
565 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
566 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
568 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
570 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
571 (sparc_emit_call_insn): New function.
572 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
573 functions when generating VxWorks PIC.
574 * config/sparc/sparc.md (vxworks_load_got): New pattern.
575 (call, call_value): Use sparc_emit_call_insn instead of
578 2007-05-09 Bob Wilson <bob.wilson@acm.org>
580 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
582 2007-05-09 Bob Wilson <bob.wilson@acm.org>
584 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
585 for floating-point values if HOST_BITS_PER_LONG > 32. Use split_double
586 instead of operand_subword.
588 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
590 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
591 * config/bfin/bfin.c (bfin_local_alignment): New function.
592 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
594 2007-05-08 Chao-ying Fu <fu@mips.com>
596 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
597 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
598 (smsub_widen_optab, umsub_widen_optab): Define.
599 * optabs.c (init_optabs): Initialize smsub_widen_optab and
601 * genopinit.c (optabs): Fill in smsub_widen_optab and
603 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
604 and umsub_widen_optab to implement multiply-subtract sequences.
605 * config/mips/mips.md (*msac<u>_di): Rename to...
606 (<u>msubsidi4): ...this. Extend condition to include
607 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
608 of operand 0 to "ka" and use the three-operand form of msub<u>
610 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
613 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
615 PR rtl-optimization/28011
616 * reload.c (push_reload): Set dont_share if IN appears in OUT
617 also when IN is a PLUS rtx.
618 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
621 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
623 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
624 call unshare_all_decls.
625 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
626 (unshare_all_decls): Remove.
628 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
631 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
634 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
635 Nigel Stephens <nigel@mips.com>
637 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
638 Update comments and all uses.
639 (MIN_FPRS_PER_FMT): Define.
640 * config/mips/mips.c (function_arg): Fix to correctly handle
641 the -mips32r2 -mfp64 -mabi=32 case.
642 (override_options): Enable use of odd-numbered registers for
643 SFmode values on MIPS32.
644 (mips_save_reg_p): Save whole floating-point register pair if
646 (compute_frame_size): Fix comment.
648 2007-05-08 Jie Zhang <jie.zhang@analog.com>
650 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
651 argument of type bool.
652 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
653 argument. Safely select temporary P register according to it.
654 (do_link): Change call site of add_to_reg accordingly.
655 (do_unlink): Add epilogue_p as a fourth argument and pass it
657 (expand_interrupt_handler_epilogue): Change call of do_unlink
659 (bfin_expand_prologue): Add a third argument sibcall_p.
660 * config/bfin/bfin.md (epilogue): Change call of
661 bfin_expand_epilogue accordingly.
662 (sibcall_epilogue): Likewise.
663 (eh_return_internal): Likewise.
665 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
666 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
667 * config/bfin/bfin.c (bfin_handle_option): Handle
668 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
669 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
670 Support bf534, bf536 and bf561.
671 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
673 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
676 * config/i386/i386.c (ix86_function_regparm): Process local
677 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
679 2007-05-07 Mike Stump <mrs@apple.com>
681 * doc/invoke.texi (Warning Options): Document that -Wempty-body
682 also checks for and while statements in C++.
684 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
686 * gcc.c (at_file_supplied): New variable.
687 (main): Set it if we expanded argv.
688 (do_spec_1): Pass an @-file to the linker if we were called with
689 an @-file argument and HAVE_GNU_LD.
690 * collect2.c (at_file_supplied): New variable.
691 (response_file): New variable.
692 (collect_exit): Unlink response_file if necessary.
695 (main): Set at_file_supplied if we expanded argv.
696 (collect_execute): Pass an @-file to subprocesses if we were called
697 with an @-file argument.
698 * configure.ac: Add define for HAVE_GNU_LD.
699 * configure: Regenerate.
700 * config.in: Regenerate.
702 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
704 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
710 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
712 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
713 (TARGET_ENCODE_SECTION_INFO): Re-define.
714 (m32c_encode_section_info): New
715 (function_vector_handler): New
716 (current_function_special_page_vector): New
717 (m32c_special_page_vector_p): New.
718 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
720 * config/m32c/jump.md: Added instruction JSRS for functions
721 with attribute "function_vector".
722 * doc/extend.texi (function_vector): Added description
723 for M16C, M32C targets.
725 2007-05-07 DJ Delorie <dj@redhat.com>
728 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
729 ashrpsi3, lshrpsi3): Update shift count constraint.
731 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
732 Nathan Froyd <froydnj@codesourcery.com>
735 * c-incpath.c (add_path): Strip trailing path separators.
737 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
739 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
740 Free dominance info before purging EH edges.
741 (eliminate_degenerate_phis): Likewise.
742 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
744 2007-05-07 Jan Hubicka <jh@suse.cz>
746 * gimplify.c (gimplify_expr): Do not crash when folding
749 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
752 * c-opts.c (lang_fortran): Make it non static.
753 * c-common.h (lang_fortran): New prototype.
754 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
755 -lang-fortran option was passed by the driver.
757 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
759 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
760 of ASSERT_CHECKING. Tweak message.
762 2007-05-06 Revital Eres <eres@il.ibm.com>
765 * loop-unroll.c (insert_var_expansion_initialization):
766 Initialize the expansions with -zero instead of +zero.
768 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
770 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
771 into pic and non-pic versions. Mark r19 as used for
772 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
773 for tgd_load, tld_load and tie_load .
774 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
775 version of tgd_load, tld_load and tie_load depending on the
778 2007-05-04 Ulrich Drepper <drepper@redhat.com>
779 Jakub Jelinek <jakub@redhat.com>
781 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
782 (__do_global_dtors_aux): Use more paranoid loop to run
783 destructors if HIDDEN_DTOR_LIST_END.
784 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
786 2007-05-04 Jakub Jelinek <jakub@redhat.com>
788 * varasm.c (align_variable): Don't increase alignment for
789 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
790 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
792 2007-05-04 Josh Conner <jconner@apple.com>
794 * basic-block.h (cdi_direction): Assign values to all enumeration
796 (dom_computed): Remove.
797 (dom_info_state): New.
798 (set_dom_info_availability): New.
799 * tree-ssa-loop-im.c (determine_invariantness): Initialize
800 walk_data.dom_direction.
801 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
802 instead of dom_computed[].
803 (split_edge): Likewise.
804 (create_basic_block): Likewise.
805 (merge_blocks): Likewise.
806 * ifcvt.c (find_if_header): Likewise.
807 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
808 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
809 * tree-ssa.c (verify_ssa): Likewise.
810 * tree-cfg.c (tree_verify_flow_info): Likewise.
811 (remove_edge_and_dominated_blocks): Likewise.
812 * dominance.c (dom_computed): Make static.
813 (calc_dfs_tree_nonrec): Change third param to a bool.
814 (calc_dfs_tree): Change second param to a bool.
815 (calc_idioms): Change second param to a bool. Use
816 dom_convert_dir_to_idx.
817 (init_dom_info): Validate dir before using.
818 (dom_convert_dir_to_idx): New.
819 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
820 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
821 (free_dominance_info): Use dom_convert_dir_to_idx.
822 (get_immediate_dominator): Likewise.
823 (set_immediate_dominator): Likewise.
824 (get_dominated_by): Likewise.
825 (redirect_immediate_dominators): Likewise.
826 (nearest_common_denominator): Likewise.
827 (dominated_by_p): Likewise.
828 (bb_dom_dfs_in): Likewise.
829 (bb_dom_dfs_out): Likewise.
830 (recount_dominator): Likewise.
831 (iterate_fix_dominators): Likewise.
832 (add_to_dominance_info): Likewise.
833 (delete_from_dominance_info): Likewise.
834 (first_dom_son): Likewise.
835 (next_dom_son): Likewise.
836 (dom_info_available_p): Likewise.
837 (dom_info_state): New.
838 (set_dom_info_availability): New.
840 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
842 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
844 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
846 2007-05-04 Bob Wilson <bob.wilson@acm.org>
848 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
849 (subdi3, subdi_carry): Delete.
851 2007-05-04 Jan Hubicka <jh@suse.cz>
852 Richard Guenther <rguenther@suse.de>
854 * opts.c (decode_options): Do not fiddle with inlining
855 parameters in case of optimizing for size.
856 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
858 (cgraph_decide_inlining_of_small_function): When optimizing for
859 size never inline functions increasing caller size.
860 (cgraph_early_inlining): Inline for size when optimizing for size.
862 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
864 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
865 logical operations piecewise.
866 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
867 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
868 subdi_sesidi_di): Delete.
869 (add_with_carry): Produce carry in CC instead of a DREG to shorten
870 the generated sequence. Allow three-reg add in constraints. Rewrite
871 the rtl expression for carry to avoid zero_extend of a constant.
872 (sub_with_carry): New pattern.
873 (adddi3, subdi3): Change into define_expand. For subtract, generate a
874 different sequence not involving jumps.
875 (notbi): Now a named pattern.
877 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
879 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
880 Add the note about a significant loss of accuracy of some
881 mathematical routines when these options are used.
883 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
885 * haifa-sched.c (rtx_vec_t): New typedef.
886 (contributes_to_priority_p): Extract piece of priority () into new
888 (priority): Use the function. Add assertion.
889 (rank_for_schedule, set_priorities): Add assertion to check that
890 insn's priority is initialized.
891 (clear_priorities, calc_priorities): Change signature. Make it update
892 all relevant insns. Update all callers ('add_to_speculative_block ()'
893 and 'create_block_check_twin ()').
894 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
895 Add new field 'priority_status'.
896 (INSN_PRIORITY_STATUS): New macro.
897 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
899 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
901 * sched-ebb.c (debug_ebb_dependencies): New static function.
902 (init_ready_list): Use it.
904 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
905 with changed signature and 'debug_rgn_dependencies ()'.
906 (debug_rgn_dependencies): New static function.
907 (init_ready_list): Use it.
909 * sched-int.h (debug_dependencies): Declare.
911 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
913 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
915 2007-05-04 Dirk Mueller <dmueller@suse.de>
917 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
919 2007-05-03 Jan Hubicka <jh@suse.cz>
921 * fold-const.c (fold_unary): Convert (T1)(X op Y) into ((T1)X op (T1)Y),
922 for pointer type in more cases than before.
924 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
926 * tree-object-size.c (plus_expr_object_size): When operand size is
927 unknown, return unknown.
929 2007-05-03 Dirk Mueller <dmueller@suse.de>
931 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
933 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
936 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
938 2007-05-03 Janis Johnson <janis187@us.ibm.com>
940 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
942 2007-05-03 Joseph Myers <joseph@codesourcery.com>
944 * config/soft-fp/double.h, config/soft-fp/extended.h,
945 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
946 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
947 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
948 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
951 2007-05-03 Ian Lance Taylor <iant@google.com>
953 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
954 MASK_PPC_GFXOPT for 8540 or 8548.
956 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
958 * tree-vect-transform.c (vect_update_inits_of_drs): Use
959 vect_print_dump_info() to output debug information.
961 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
964 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
965 operands of size 2 when operand is not MEM_P.
967 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
969 PR tree-optimization/30565
970 * lambda-code.c (perfect_nestify): Fix updating of dominators.
972 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
974 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
975 (umulsi3_highpart): Use them.
976 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
977 for final accumulator to D regisster tranfser.
979 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
981 PR tree-optimization/31699
982 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove wrong
984 (vect_enhance_data_refs_alignment): Compute peel amount using
985 TYPE_VECTOR_SUBPARTS instead of vf.
986 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
988 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
991 * system.h: Remove inclusion of double-int.h
992 * tree.h: Include double-int.h
993 * gengtype.c: Likewise
994 * cfgloop.h: Likewise
995 * Makefile.in: Adjust dependencies on double-int.h
997 2007-05-02 Eric Christopher <echristo@apple.com>
999 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
1000 -shared to -Zdynamiclib.
1002 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
1005 * c-common.c (strip_pointer_or_array_types): New function.
1006 * c-common.h (strip_pointer_or_array_types): New function declaration.
1008 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
1010 PR tree-optimization/31771
1011 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
1013 2007-05-02 Paul Brook <paul@codesourcery.com>
1015 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
1017 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1020 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
1023 2007-05-02 Nick Clifton <nickc@redhat.com>
1025 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
1027 2007-05-02 Richard Guenther <rguenther@suse.de>
1029 PR tree-optimization/31146
1030 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
1031 argument, single_use_p. If we have a single use that is
1032 a conversion to the definition rhs type, propagate that rhs.
1033 (forward_propagate_addr_expr): Pass single_use_p argument
1034 to forward_propagate_addr_expr_1.
1036 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
1038 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
1041 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1043 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
1044 'AMD Family 10 core'.
1046 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1048 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
1049 and athlon64-sse3 as improved versions of k8, opteron and athlon64
1050 with SSE3 instruction set support.
1051 * doc/invoke.texi: Likewise.
1053 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
1055 * config/i386/i386.c (override_options): Tuning 32-byte loop
1056 alignment for amdfam10 architecture. Increasing the max loop
1057 alignment to 24 bytes.
1059 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
1061 * config/m68k/constraints.md: New.
1062 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
1063 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
1064 EXTRA_CONSTRAINT): Remove.
1065 * config/m68k/m68k.md: Include constraints.md.
1066 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
1068 2007-05-01 Ian Lance Taylor <iant@google.com>
1070 PR tree-optimization/31739
1071 * tree-vrp.c (vrp_val_is_max): New static function.
1072 (vrp_val_is_min): New static function.
1073 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
1075 (set_value_range): Use vrp_val_is_{max,min}.
1076 (extract_range_from_assert): Likewise.
1077 (extract_range_from_binary_expr): Likewise.
1078 (extract_range_from_unary_expr): Likewise.
1079 (dump_value_range, vrp_meet): Likewise.
1080 (vrp_visit_phi_node): Likewise.
1081 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
1083 2007-05-01 Mark Mitchell <mark@codesourcery.com>
1085 * config/i386/gmon-sol2.c (size_t): New type.
1086 (intptr_t): Likewise.
1087 (s_textsize): Declare as size_t.
1089 (monstartup): Use size_t for sizes.
1090 (_mcount): Save and restore registers.
1091 (internal_mcount): Pass 0 as the first argument to monstartup
1093 (moncontrol): Convert pointer to appropriately sized integer
1094 before passing to profil.
1096 2007-05-01 Joseph Myers <joseph@codesourcery.com>
1098 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
1099 __NO_FPRS__, not just if _SOFT_DOUBLE.
1100 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
1101 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
1102 also for E500 double.
1103 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
1104 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
1107 2007-05-01 Richard Guenther <rguenther@suse.de>
1109 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
1112 2007-05-01 Joseph Myers <joseph@codesourcery.com>
1114 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
1116 2007-05-01 Jan Hubicka <jh@suse.cz>
1118 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
1121 2007-05-01 Jan Hubicka <jh@suse.cz>
1123 * tree.h (maybe_fold_offset_to_component_ref): Remove.
1124 (maybe_fold_offset_to_reference): Declare.
1125 * fold-const.c (fold_unary): Do not fold
1126 (type *)&A into &A->field_of_type_and_offset_0
1127 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
1128 size is unknown, give up.
1129 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
1131 (maybe_fold_offset_to_reference): New.
1132 (maybe_fold_stmt_indirect): Use it.
1133 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
1134 * gimplify.c (gimplify_conversion): Canonicalize conversions to
1136 (gimplify_expr): Likewise for plus_expr.
1138 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
1140 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
1141 bsi_after_labels. Always insert statements before bsi.
1142 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
1143 * predict.c (apply_return_prediction): Check for empty blocks.
1144 * cfgexpand.c (lab_rtx_for_bb): New variable.
1145 (label_rtx_for_bb): Do not create new tree labels.
1146 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
1147 (tree_expand_cfg): Initialize lab_rtx_for_bb.
1148 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
1150 (label_for_bb): Add field used.
1151 (update_eh_label, main_block_label): Mark the label used.
1152 (cleanup_dead_labels): Remove unused labels.
1154 2007-05-01 Richard Guenther <rguenther@suse.de>
1156 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
1157 if it is not about to be set.
1158 (get_value_range): Do not pre-allocate equiv bitmap.
1159 (update_value_range): No need to clear equiv field.
1160 (add_equivalence): Change prototype to get bitmap pointer.
1161 Allocate bitmap here if it is not already.
1162 (extract_range_from_assert): Do not allocate bitmap here.
1163 Update callers to add_equivalence.
1164 (extract_range_from_ssa_name): Likewise.
1165 (get_vr_for_comparison): New static helper.
1166 (compare_name_with_value): Handle NULL equiv bitmap by
1167 peeling the first iteration of the comparison loop.
1168 Use get_vr_for_comparison.
1169 (compare_names): Handle NULL equiv bitmaps by using fake
1170 ones. Use get_vr_for_comparison.
1172 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
1174 * double-int.c (mpz_set_double_int): Moved from
1175 tree-ssa-loop-niter.c.
1176 (mpz_get_double_int): Likewise; also, add option to wrap
1177 out-of-range integers.
1178 * double-int.h: New prototypes for above.
1179 * tree.c (get_static_type_bounds): Moved from
1180 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
1181 TYPE_MAX_VALUE if they exist..
1182 * tree.h: New prototype for above.
1183 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
1184 get_type_bounds calls.
1185 (mpz_set_double_int): Move to double-int.c.
1186 (get_type_bounds): Move to tree.c, rename to
1187 get_static_type_bounds.
1188 (mpz_to_double_int): Move to double-int.c, rename to
1191 2007-04-30 Bob Wilson <bob.wilson@acm.org>
1193 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
1194 DIV0 exception can fall through to a normal return.
1196 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
1200 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
1201 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
1202 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
1203 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
1204 initialize align to silence bogus warning.
1205 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
1206 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
1208 (struct sra_walk_fns): Remove use_all parameter from use.
1209 (sra_hash_tree): Handle BIT_FIELD_REFs.
1210 (sra_elt_hash): Don't hash bitfld blocks.
1211 (sra_elt_eq): Skip them in parent compares as well. Handle
1213 (sra_walk_expr): Don't maintain or pass down use_all_p.
1214 (scan_use): Remove use_all parameter.
1215 (scalarize_use): Likewise. Re-expand assignment to
1216 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
1217 output, and re-scalarize after output. Don't mark anything
1219 (scalarize_ldst): Adjust.
1220 (scalarize_walk_gimple_modify_statement): Likewise.
1221 (build_element_name_1): Handle BIT_FIELD_REFs.
1222 (instantiate_element): Don't warn for any element whose parent
1224 (instantiate_missing_elements_1): Return the sra_elt.
1225 (canon_type_for_field): New.
1226 (try_instantiate_multiple_fields): New.
1227 (instantiate_missing_elemnts): Use them.
1228 (mark_no_warning): Removed.
1229 (generate_one_element_ref): Handle BIT_FIELD_REFs.
1230 (REPLDUP, sra_build_elt_assignment): New.
1231 (generate_copy_inout): Use them.
1232 (generate_element_copy): Likewise. Handle bitfld differences.
1233 (generate_element_zero): Don't recurse for blocks. Use
1234 sra_build_elt_assignment.
1235 (generate_one_element_int): Take elt instead of var. Use
1236 sra_build_elt_assignment.
1237 (generate_element_init_1): Adjust.
1238 (scalarize_use, scalarize_copy): Use REPLDUP.
1239 (scalarize_ldst): Move assert before dereference.
1240 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
1242 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
1245 * tree.c (reconstruct_complex_type): Reconstruct a reference
1247 Also use the same mode for the pointer as the old pointer type.
1249 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
1251 * doc/trouble.texi (Interoperation): Remove note about Ultrix
1254 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
1256 PR rtl-optimization/31676
1257 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
1258 (df_refs_record): Call it.
1260 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
1262 * rtl.def (SS_ABS): New code.
1263 * config/bfin/bfin.c (print_operand): New modifier 'v'.
1264 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
1265 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
1266 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
1267 (bfin_init_builtins): Define them.
1268 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
1269 (bfin_expand_builtin): ... and handle the others here.
1270 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
1271 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
1272 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
1273 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
1274 operand is only HImode.
1276 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
1278 * regclass.c (scan_one_insn): Remove splitting of
1281 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
1282 Nigel Stephens <nigel@mips.com>
1284 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
1286 2007-04-28 Jan Hubicka <jh@suse.cz>
1288 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
1289 insn_locators_alloc instead of insn_locators_initialize;
1290 call reset_block_changes.
1291 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
1292 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
1293 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
1294 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
1295 * config/score/score.c (th_output_mi_thunk): Likewise.
1296 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
1297 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
1298 tolerate uninitialized locator info.
1301 * function.c (init_function_start): Don't init line number info.
1302 (expand_function_end): Update.
1303 (reset_block_changes, record_block_change, finalize_block_changes,
1304 check_block_change, free_block_changes): Kill.
1305 * function.h (reset_block_changes, record_block_change,
1306 finalize_block_changes, check_block_change, free_block_changes): Remove
1308 (struct function): Remove ib_boundaries_block.
1309 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1310 Use curr_insn_locator to initialize locator.
1311 (emit_line_note): Remove.
1312 * cfgexpand.c (expand_gimple_cond_expr): Update.
1313 (construct_exit_block): Likewise.
1314 (tree_expand_cfg): Initialize/finalize locators.
1315 * expr.c (expand_expr_real): Update.
1316 * cfglayout.c (line_locators_locs, line_locators_lines,
1317 file_locators_locs, file_locators_files): Remove.
1318 (set_block_levels): Move to cfgexpand.c.
1319 (insn_locators_initialize): Remove.
1320 (pass_insn_locators_initialize): Remove.
1321 (locations_locators_locs, locations_locators_vals): New static vars.
1322 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1324 (insn_locators_alloc, insn_locators_finalize,
1325 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1327 (locator_location): New.
1328 (locator_line, locator_file): Rewrite.
1329 * rtl.h (emit_line_note): Kill.
1330 (insn_locators_alloc, insn_locators_finalize,
1331 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1333 * tree-inline.c (initialize_cfun): Do not initialize
1334 ib_boundaries_block.
1335 * passes.c (pass_insn_locators_initialize): Remove.
1337 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
1339 * tree-cfg.c (move_block_to_fn): Release bb from dominance
1340 info. Update last_basic_block correctly.
1342 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
1345 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
1346 register itself to hold the offset constant. Tell flow the use
1347 of r4 and r5 when they are used.
1349 2007-04-27 Richard Guenther <rguenther@suse.de>
1351 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
1352 if we simplified anything.
1353 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
1354 warnings until we did a simplification and the stmt was not
1355 marked as TREE_NO_WARNING.
1357 2007-04-27 Mike Stump <mrs@apple.com>
1359 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
1361 2007-04-27 Ian Lance Taylor <iant@google.com>
1364 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
1365 TYPE_MAX_VALUE exist, convert them to the new type.
1367 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1369 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
1370 if it claims to be available.
1371 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
1373 (perform_tree_ssa_dce): Always free postdominators.
1375 2007-04-27 Richard Henderson <rth@redhat.com>
1377 * config/alpha/predicates.md (aligned_memory_operand): Mark
1378 as define_special_predicate.
1379 (unaligned_memory_operand, normal_memory_operand): Likewise.
1380 (reg_or_unaligned_mem_operand): Remove.
1381 (any_memory_operand): Match the documentation and check for
1382 non-renumbered pseudos during reload.
1383 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
1384 alpha_secondary_reload_class, update to new interface, make static.
1385 Handle CQImode like HImode. Remove FP subreg check.
1386 (alpha_expand_mov): Use replace_equiv_address.
1387 (alpha_expand_mov_nobwx): Use any_memory_operand.
1388 (TARGET_SECONDARY_RELOAD): New.
1389 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
1390 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
1391 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
1392 * config/alpha/alpha.md: ... here.
1393 (RELOAD12, reloadmode): New.
1395 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
1396 Don't handle the aligned case here.
1397 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
1398 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
1399 reload_inhi_help. Don't expect a scratch register.
1400 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
1402 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
1404 2007-04-27 Richard Guenther <rguenther@suse.de>
1406 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
1408 2007-04-27 Richard Guenther <rguenther@suse.de>
1410 PR tree-optimization/30965
1411 PR tree-optimization/30978
1412 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
1413 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
1414 (find_equivalent_equality_comparison): Likewise.
1415 (simplify_cond): Likewise.
1416 (get_prop_source_stmt): New helper.
1417 (get_prop_dest_stmt): Likewise.
1418 (can_propagate_from): Likewise.
1419 (remove_prop_source_from_use): Likewise.
1420 (combine_cond_expr_cond): Likewise.
1421 (forward_propagate_comparison): New function.
1422 (forward_propagate_into_cond): Rewrite to use fold for
1424 (tree_ssa_forward_propagate_single_use_vars): Call
1425 forward_propagate_comparison to propagate comparisons.
1427 2007-04-27 Richard Guenther <rguenther@suse.de>
1429 PR tree-optimization/31715
1430 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
1431 sure to do computation on the offset in an appropriate
1434 2007-04-27 Richard Sandiford <richard@codesourcery.com>
1436 * reload.h (elimination_target_reg_p): Declare.
1437 * reload.c (find_reloads): Don't apply the reg_rtx move
1438 optimization if the SET_DEST satisfies elimination_target_reg_p.
1439 * reload1.c (elimination_target_reg_p): New function.
1440 (gen_reload): In the move/add2 fallback, make sure that op0
1441 does not overlap the destination register.
1443 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1445 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
1446 transform only GIMPLE_MODIFY_STMTs.
1447 * tree-complex.c (expand_complex_operations_1): Ditto.
1448 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
1449 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
1450 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
1452 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
1453 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
1454 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
1455 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
1456 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
1457 slpeel_add_loop_guard): Ditto.
1458 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
1459 * lambda-code.c (perfect_nestify): Ditto.
1460 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
1461 before the first statement.
1462 * tree-optimize.c (execute_free_datastructures): Fix comments.
1463 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
1464 * tree-flow.h (disband_implicit_edges): Declaration removed.
1465 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
1467 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle COND_EXPRs
1469 (disband_implicit_edges, has_label_p): Removed.
1470 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
1471 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
1473 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
1475 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
1476 also for COND_EXPRs.
1477 * cfgexpand.c (label_rtx_for_bb): New function.
1478 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
1479 Use label_rtx_for_bb to find the labels.
1480 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
1481 last block. Detect fallthru edges.
1483 2007-04-26 Ian Lance Taylor <iant@google.com>
1486 * reload.c (find_reloads_subreg_address): If the address was valid
1487 in the original mode but not in the new mode, reload the whole
1490 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
1492 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
1493 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
1494 (cleanup_control_expr_graph): Do not invalidate dominance info.
1495 Record altered blocks.
1496 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
1497 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
1498 cleanup_tree_cfg_bb): New functions.
1499 (remove_forwarder_block): Do not maintain the worklist of blocks.
1500 Record altered blocks.
1501 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
1503 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
1504 delete_unreachable_blocks if dominators are not available.
1505 * tree-inline.c (optimize_inline_calls): Free dominance information
1507 * tree-flow.h (remove_edge_and_dominated_blocks,
1508 cfgcleanup_altered_bbs): Altered.
1509 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
1511 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
1513 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
1514 do not invalidate dominators.
1516 2007-04-26 Anatoly Sokolov <aesok@post.ru>
1518 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
1519 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
1520 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1521 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1523 2007-04-26 Steve Ellcey <sje@cup.hp.com>
1525 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
1527 2007-04-26 Richard Guenther <rguenther@suse.de>
1529 PR tree-optimization/31703
1530 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
1531 the right type for the target of the bittest.
1533 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1535 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
1536 ix86_sol10_return_in_memory.
1538 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1540 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
1543 2007-04-26 Jakub Jelinek <jakub@redhat.com>
1546 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
1548 PR tree-optimization/30558
1549 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
1550 clear this_state.prev_try.
1552 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1553 Mark Mitchell <mark@codesourcery.com>
1555 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
1556 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
1557 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
1559 2007-04-26 Richard Sandiford <richard@codesourcery.com>
1562 * doc/invoke.texi (%:print-asm-header): Document.
1563 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
1565 (static_spec_functions): Add print-asm-header.
1566 (main): Print a banner before the --target-help linker options.
1567 (print_asm_header_spec_function): New function.
1569 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
1572 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
1573 (movsf_ie): Likewise.
1575 2007-04-25 Paolo Carlini <pcarlini@suse.de>
1577 * doc/extend.texi ([Type Traits]): Adjust per N2255.
1579 2007-04-25 Bob Wilson <bob.wilson@acm.org>
1581 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an exception
1583 (__umodsi3, __modsi3): Likewise.
1585 2007-04-25 Dirk Mueller <dmueller@suse.de>
1587 * c-typeck.c (build_compound_expr): Annotate warning()
1588 call with OPT_Wunused_value.
1589 * tree-ssa.c (warn_uninit): Annotate warning with
1591 * c-common.c (handle_sentinel_attribute): Annotate warning
1592 call with OPT_Wattributes.
1594 2007-04-25 Thiemo Seufer <ths@mips.com>
1596 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
1598 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
1599 on to the assembler. Improve handling of -mno-mips16. Add handling
1600 of -mno-mips3d, -mno-dsp, -mno-dspr2.
1601 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
1602 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
1603 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
1605 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
1608 * config/i386/winnt.c (i386_pe_file_end): Strip only
1609 USER_LABEL_PREFIX when writing export name.
1611 2007-04-25 Richard Sandiford <richard@codesourcery.com>
1613 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
1614 sh/elf.h, vx-common.h and vxworks.h.
1615 * config/sh/sh.h: Include config/vxworks-dummy.h.
1616 (SUBTARGET_OVERRIDE_OPTIONS): Define.
1617 (OVERRIDE_OPTIONS): Use it.
1618 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
1619 (vxworks_picreg): New pattern.
1620 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
1621 VXWORKS_OS_CPP_BUILTINS.
1622 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
1623 to their VXWORKS_* equivalents.
1624 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
1625 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
1626 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
1627 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
1628 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
1629 -mrtp/-fPIC multilibs.
1630 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
1631 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
1632 (MULTILIB_OSDIRNAMES): Delete.
1634 2007-04-25 Anatoly Sokolov <aesok@post.ru>
1637 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
1639 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
1641 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
1642 rounding mode to be specified by the caller.
1643 (real_to_mpfr) Likewise.
1644 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
1645 include new arguments.
1646 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
1648 2007-04-24 Ian Lance Taylor <iant@google.com>
1650 PR tree-optimization/31605
1651 * tree-vrp.c (set_value_range): Check that min and max are not
1652 both overflow infinities.
1653 (set_value_range_to_value): New static function.
1654 (extract_range_from_binary_expr): Call set_value_range_to_value.
1655 (extract_range_from_cond_expr): Likewise.
1656 (extract_range_from_expr): Likewise.
1657 (extract_range_from_unary_expr): Likewise. Don't create a range
1658 which overflows on both sides.
1659 (vrp_meet): Check for a useless range.
1660 (vrp_visit_phi_node): If we see a constant which looks like an
1661 overflow infinity, turn off the TREE_OVERFLOW flag.
1663 2007-04-24 Ian Lance Taylor <iant@google.com>
1665 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
1667 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
1670 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
1671 diagnostic message is being built.
1672 * tree-pretty-print.c (dump_generic_node): Only write the
1673 formatted text into BUFFER's stream if we are not building a
1675 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
1677 * Makefile.in (toplev.o): Depend on tree-pass.h.
1679 2007-04-24 Ian Lance Taylor <iant@google.com>
1681 PR tree-optimization/31602
1682 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
1683 conditionals in the copied loop header.
1684 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
1685 warnings if TREE_NO_WARNING is set.
1686 * doc/invoke.texi (Warning Options): Clarify that
1687 -Wstrict-overflow does not warn about loops.
1689 2007-04-24 Janis Johnson <janis187@us.ibm.com>
1691 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
1692 expand on the comment about _Decimal128 arguments and check the
1693 integer result of the modulus operation; for 64-bit ELF ABI, ensure
1694 that _Decimal128 argument uses even/odd register pair.
1695 (function_arg): Ditto.
1697 2007-04-24 Hui-May Chang <hm.chang@apple.com>
1699 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
1700 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
1702 2007-04-24 Richard Guenther <rguenther@suse.de>
1703 Olga Golovanevsky <olga@il.ibm.com>
1705 * fold-const.c (multiple_of_p): Check for bottom
1708 2007-04-24 Richard Henderson <rth@redhat.com>
1710 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
1711 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
1712 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
1713 looking for non-zero bits shifted out. Avoid a recursive call
1714 when constructing the scalar.
1715 (__floatundisf): Likewise.
1717 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
1719 * dwarf2out.c (field_byte_offset): Move the existing logic
1720 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
1721 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
1723 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
1726 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant length
1727 argument of 0 for memset.
1728 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
1729 unsigned shift instead of the signed variant.
1731 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
1733 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
1734 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
1735 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
1736 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
1737 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
1738 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
1739 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
1740 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
1741 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
1742 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
1743 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
1744 "mul<mode>3", "div<mode>3"): Insn definitions added.
1745 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
1746 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
1747 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
1748 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
1749 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
1750 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
1751 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
1752 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
1753 TARGET_FLOAT_FORMAT): Macro definitions removed.
1754 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
1755 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
1756 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
1757 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
1758 (s390_gen_rtx_const_DI): Function removed.
1759 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
1761 2007-04-24 Richard Sandiford <richard@codesourcery.com>
1763 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
1764 over an external ffs function.
1766 2007-04-24 Chao-ying Fu <fu@mips.com>
1767 Richard Sandiford <richard@nildram.co.uk>
1769 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
1770 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
1771 (smadd_widen_optab, umadd_widen_optab): Define.
1772 * optabs.c (init_optabs): Initialize smadd_widen_optab and
1774 * genopinit.c (optabs): Fill in smadd_widen_optab and
1776 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
1777 and umadd_widen_optab to implement multiply-add sequences.
1778 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
1779 (<u>maddsidi4): ...this. Extend condition to include
1780 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
1781 of operand 0 to "ka" and use the three-operand form of madd<u>
1783 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
1785 * config/mips/constraints.md (ka): New register constraint.
1787 2007-04-24 Jan Hubicka <j@suse.cz>
1791 2007-04-23 Jan Hubicka <jh@suse.cz>
1792 * function.c (init_function_start): Don't init line number info.
1793 (expand_function_end): Update.
1794 (reset_block_changes, record_block_change, finalize_block_changes,
1795 check_block_change, free_block_changes): Kill.
1796 * function.h (reset_block_changes, record_block_change,
1797 finalize_block_changes, check_block_change, free_block_changes): Remove
1799 (struct function): Remove ib_boundaries_block.
1800 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
1801 Use curr_insn_locator to initialize locator.
1802 (emit_line_note): Remove.
1803 * cfgexpand.c (expand_gimple_cond_expr): Update.
1804 (construct_exit_block): Likewise.
1805 (tree_expand_cfg): Initialize/finalize locators.
1806 * expr.c (expand_expr_real): Update.
1807 * cfglayout.c (line_locators_locs, line_locators_lines,
1808 file_locators_locs, file_locators_files): Remove.
1809 (set_block_levels): Move to cfgexpand.c.
1810 (insn_locators_initialize): Remove.
1811 (pass_insn_locators_initialize): Remove.
1812 (locations_locators_locs, locations_locators_vals): New static vars.
1813 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
1815 (insn_locators_alloc, insn_locators_finalize,
1816 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1818 (locator_location): New.
1819 (locator_line, locator_file): Rewrite.
1820 * rtl.h (emit_line_note): Kill.
1821 (insn_locators_alloc, insn_locators_finalize,
1822 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
1824 * tree-inline.c (initialize_cfun): Do not initialize
1825 ib_boundaries_block.
1826 * passes.c (pass_insn_locators_initialize): Remove.
1828 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
1830 * doc/invoke.texi: Removed leading '-' from option index entries.
1832 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
1834 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
1836 (create_phi_node): Use set_phi_nodes.
1837 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
1838 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
1839 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
1840 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
1841 (bsi_start, bsi_last): Use bb_stmt_list.
1842 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
1843 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
1844 Traverse the statements using tsi iterator.
1845 * basic-block.h (struct basic_block_def): Fields stmt_list
1846 and phi_nodes moved to ...
1847 (struct tree_bb_info): ... new structure.
1848 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
1849 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
1850 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
1851 (tree_verify_flow_info): Verify that il.tree is not set for
1852 entry and exit block.
1853 (tree_split_block): Use set_bb_stmt_list.
1855 2007-04-23 Mike Stump <mrs@apple.com>
1857 * config/i386/i386.c (ix86_tune_features
1858 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
1861 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
1863 * config/i386/i386.md (prefix_extra): New attribute.
1864 (length): Add prefix_extra.
1866 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
1867 (sse2_movntv2di): Likewise.
1868 (sse2_cvtps2dq): Likewise.
1869 (sse2_cvtpd2pi): Likewise.
1870 (sse2_cvttpd2pi): Likewise.
1871 (*sse2_cvtpd2ps): Likewise.
1872 (*add<mode>3): Likewise.
1873 (sse2_ssadd<mode>3): Likewise.
1874 (sse2_usadd<mode>3): Likewise.
1875 (*sub<mode>3): Likewise.
1876 (sse2_sssub<mode>3): Likewise.
1877 (sse2_ussub<mode>3): Likewise.
1878 (*mulv8hi3): Likewise.
1879 (*smulv8hi3_highpart): Likewise.
1880 (*umulv8hi3_highpart): Likewise.
1881 (sse2_umulv2siv2di3): Likewise.
1882 (sse2_pmaddwd): Likewise.
1883 (ashr<mode>3): Likewise.
1884 (lshr<mode>3): Likewise.
1885 (ashl<mode>3): Likewise.
1886 (sse2_ashlti3): Likewise.
1887 (sse2_lshrti3): Likewise.
1888 (*umaxv16qi3): Likewise.
1889 (*smaxv8hi3): Likewise.
1890 (*uminv16qi3): Likewise.
1891 (*sminv8hi3): Likewise.
1892 (sse2_eq<mode>3): Likewise.
1893 (sse2_gt<mode>3): Likewise.
1894 (*and<mode>3): Likewise.
1895 (sse2_nand<mode>3): Likewise.
1896 (*ior<mode>3): Likewise.
1897 (*xor<mode>3): Likewise.
1898 (sse2_packsswb): Likewise.
1899 (sse2_packssdw): Likewise.
1900 (sse2_packuswb): Likewise.
1901 (sse2_punpckhbw): Likewise.
1902 (sse2_punpcklbw): Likewise.
1903 (sse2_punpckhwd): Likewise.
1904 (sse2_punpcklwd): Likewise.
1905 (sse2_punpckhdq): Likewise.
1906 (sse2_punpckldq): Likewise.
1907 (sse2_punpckhqdq): Likewise.
1908 (sse2_punpcklqdq): Likewise.
1909 (*sse2_pinsrw): Likewise.
1910 (*sse2_pextrw): Likewise.
1911 (sse2_pshufd_1): Likewise.
1912 (sse2_uavgv16qi3): Likewise.
1913 (sse2_uavgv8hi3): Likewise.
1914 (sse2_psadbw): Likewise.
1915 (sse2_pmovmskb): Likewise.
1916 (*sse2_maskmovdqu): Likewise.
1917 (*sse2_maskmovdqu_rex64): Likewise.
1918 (sse4a_extrqi): Likewise.
1919 (sse4a_extrq): Likewise.
1920 (sse3_lddqu): Set prefix_rep.
1921 (sse3_addsubv4sf3): Likewise.
1922 (sse3_haddv4sf3): Likewise.
1923 (sse3_hsubv4sf3): Likewise.
1924 (sse_cvtss2si): Likewise.
1925 (sse_cvtss2si_2): Likewise.
1926 (sse_cvtss2siq): Likewise.
1927 (sse_cvtss2siq_2): Likewise.
1928 (sse_cvttss2si): Likewise.
1929 (sse_cvttss2siq): Likewise.
1930 (sse2_cvttps2dq): Likewise.
1931 (sse3_movshdup): Likewise.
1932 (sse3_movsldup): Likewise.
1933 (sse2_cvtsd2si): Likewise.
1934 (sse2_cvtsd2si_2): Likewise.
1935 (sse2_cvtsd2siq): Likewise.
1936 (sse2_cvtsd2siq_2): Likewise.
1937 (sse2_cvttsd2si): Likewise.
1938 (sse2_cvttsd2siq): Likewise.
1939 (*sse2_cvtpd2dq): Likewise.
1940 (*sse2_cvttpd2dq): Likewise.
1941 (sse2_pshuflw_1): Likewise.
1942 (sse2_pshufhw_1): Likewise.
1943 (sse4a_insertqi): Likewise.
1944 (sse4a_insertq): Likewise.
1945 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
1946 (ssse3_phadddv4si3): Likewise.
1947 (ssse3_phaddswv8hi3): Likewise.
1948 (ssse3_phsubwv8hi3): Likewise.
1949 (ssse3_phsubdv4si3): Likewise.
1950 (ssse3_phsubswv8hi3): Likewise.
1951 (ssse3_pmaddubswv8hi3): Likewise.
1952 (ssse3_pmulhrswv8hi3): Likewise.
1953 (ssse3_pshufbv16qi3): Likewise.
1954 (ssse3_psign<mode>3): Likewise.
1955 (ssse3_palignrti): Likewise.
1956 (abs<mode>2): Likewise.
1957 (ssse3_phaddwv4hi3): Set prefix_extra.
1958 (ssse3_phadddv2si3): Likewise.
1959 (ssse3_phaddswv4hi3): Likewise.
1960 (ssse3_phsubwv4hi3): Likewise.
1961 (ssse3_phsubdv2si3): Likewise.
1962 (ssse3_phsubswv4hi3): Likewise.
1963 (ssse3_pmaddubswv4hi3): Likewise.
1964 (ssse3_pmulhrswv4hi3): Likewise.
1965 (ssse3_pshufbv8qi3): Likewise.
1966 (ssse3_psign<mode>3): Likewise.
1967 (ssse3_palignrdi): Likewise.
1968 (abs<mode>2): Likewise.
1969 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
1970 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
1971 (sse2_pmovmskb): Set mode to SI instead of V2DF.
1973 2007-04-23 Nick Clifton <nickc@redhat.com>
1975 * params.def: Fix formatting of emacs local variables.
1977 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
1979 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
1980 move if inter-unit move isn't allowed.
1981 Don't split moving the first element of V2DI to DI to inter-unit
1982 move if inter-unit move isn't allowed.
1984 2007-04-23 Richard Guenther <rguenther@suse.de>
1986 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
1987 and CDI_POST_DOMINATORS separately.
1989 2007-04-23 Nick Clifton <nickc@redhat.com>
1991 * c.opt (Wformat-contains-nul): Add warning attribute.
1993 2007-04-23 Jan Hubicka <jh@suse.cz>
1995 * function.c (init_function_start): Don't init line number info.
1996 (expand_function_end): Update.
1997 (reset_block_changes, record_block_change, finalize_block_changes,
1998 check_block_change, free_block_changes): Kill.
1999 * function.h (reset_block_changes, record_block_change,
2000 finalize_block_changes, check_block_change, free_block_changes): Remove
2002 (struct function): Remove ib_boundaries_block.
2003 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
2004 Use curr_insn_locator to initialize locator.
2005 (emit_line_note): Remove.
2006 * cfgexpand.c (expand_gimple_cond_expr): Update.
2007 (construct_exit_block): Likewise.
2008 (tree_expand_cfg): Initialize/finalize locators.
2009 * expr.c (expand_expr_real): Update.
2010 * cfglayout.c (line_locators_locs, line_locators_lines,
2011 file_locators_locs, file_locators_files): Remove.
2012 (set_block_levels): Move to cfgexpand.c.
2013 (insn_locators_initialize): Remove.
2014 (pass_insn_locators_initialize): Remove.
2015 (locations_locators_locs, locations_locators_vals): New static vars.
2016 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
2018 (insn_locators_alloc, insn_locators_finalize,
2019 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
2021 (locator_location): New.
2022 (locator_line, locator_file): Rewrite.
2023 * rtl.h (emit_line_note): Kill.
2024 (insn_locators_alloc, insn_locators_finalize,
2025 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
2027 * tree-inline.c (initialize_cfun): Do not initialize
2028 ib_boundaries_block.
2029 * passes.c (pass_insn_locators_initialize): Remove.
2031 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
2034 * expr.c (reduce_to_bit_field_precision): Handle
2037 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
2039 PR tree-optimization/24659
2040 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
2041 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
2042 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
2043 * genopinit.c (optabs): Rename vec_pack_mod_optab
2044 to vec_pack_trunc_optab.
2045 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
2046 early for scalar floating point operands for NOP_EXPR.
2047 (vectorizable_type_promotion): Ditto.
2048 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
2049 vec_pack_trunc_optab.
2050 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
2052 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
2053 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
2054 Rename from VEC_PACK_MOD_EXPR.
2055 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
2056 * expr.c (expand_expr_real_1): Ditto.
2057 * tree-inline.c (estimate_num_insns_1): Ditto.
2058 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
2060 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
2061 (vec_unpacks_lo_v4sf): Ditto.
2062 (vec_pack_trunc_v2df): Ditto.
2063 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
2064 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
2065 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
2067 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
2069 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
2071 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
2072 Rename from VEC_PACK_MOD_EXPR. This expression also represent
2073 packing of floating point operands.
2074 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
2075 represent unpacking of floating point operands.
2076 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
2077 [vec_unpacks_hi]: Ditto.
2078 [vec_unpacks_lo]: Ditto.
2080 2007-04-22 Jan Hubicka <jh@suse.cz>
2082 * final.c (rest_of_handle_final): Call
2083 targetm.asm_out.constructor/targetm.asm_out.destructor
2084 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
2085 proper priority via decl_*_priority_insert.
2086 * c-common.c (c_expand_body): Likewise.
2088 2007-04-22 Richard Guenther <rguenther@suse.de>
2090 PR tree-optimization/29789
2091 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
2092 (rewrite_reciprocal): New helper split out from
2093 determine_invariantness_stmt.
2094 (rewrite_bittest): Likewise.
2095 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
2096 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
2099 2007-04-22 Revital Eres <eres@il.ibm.com>
2101 * loop-unroll.c (var_to_expand): New field to support also
2102 insns of the form x = something + x.
2103 (analyze_insn_to_expand_var): Use it.
2104 (expand_var_during_unrolling): Likewise.
2106 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
2108 * predict.c: Include pointer-set.h.
2109 (bb_predictions): New variable.
2110 (tree_predicted_by_p, tree_predict_edge,
2111 remove_predictions_associated_with_edge): Use bb_predictions map
2112 instead of bb->predictions.
2113 (clear_bb_predictions, assert_is_empty): New functions.
2114 (combine_predictions_for_bb): Use bb_predictions map. Call
2115 clear_bb_predictions.
2116 (tree_estimate_probability): Create and free bb_predictions map.
2117 * Makefile.in (predict.o): Add pointer-set.h dependency.
2118 * basic-block.h (struct basic_block_def): Remove predictions
2120 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
2122 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
2125 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
2128 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2130 * timevar.c (timevar_print): Change reference of --disable-checking to
2131 --enable-checking=release. Also warn if assert checking is disabled.
2133 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2136 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
2137 decl as addressable if the compound literal was marked as
2139 Mark the decl as a gimple register if it is a complex or
2140 vector decl and does not live in memory.
2142 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
2144 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
2145 (GENERIC_NEXT): New function macro.
2146 (PHI_CHAIN): Use phi_node's new chain variable.
2147 (tree_phi_node): Change tree_common to tree_base
2148 and add the chain field.
2149 * tree-phinodes.c (make_phi_node): Don't set
2150 TREE_TYPE on the new node.
2151 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
2152 instead of checking GIMPLE_TUPLE_P in chain_next.
2153 * tree-vect-transform.c
2154 (get_initial_def_for_induction): Look at
2155 PHI_RESULT_TREE for the type of the phi node.
2156 (update_vuses_to_preheader): Use PHI_CHAIN
2157 instead of TREE_CHAIN on the phi node.
2158 * tree-ssa-structalias.c (compute_points_to_sets):
2160 (ipa_pta_execute): Likewise.
2162 2007-04-21 Richard Guenther <rguenther@suse.de>
2165 * fold-const.c (fold_unary): Call fold_convert_const on the
2168 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
2170 * gcse.c (store_killed_in_insn): Handle PARALLELs.
2171 (store_killed_in_pat): New.
2173 2007-04-20 Richard Henderson <rth@redhat.com>
2176 * config/i386/i386.c (type_has_variadic_args_p): Look for any
2177 TREE_LIST with a void_type_node value, not void_list_node exactly.
2179 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
2181 * doc/standards.texi: Re-arrange into language-specific
2182 subsections. Add a C++ section, documenting which standards we
2185 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
2187 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
2188 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
2190 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
2192 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
2193 ecrti.o and crtbegin.o.
2194 (LIB_DEFAULT_SPEC): Include -lc.
2195 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
2197 2007-04-20 Richard Henderson <rth@redhat.com>
2200 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
2201 argument; update all callers.
2202 (get_unaligned_offset): New.
2203 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
2204 get_unaligned_address, just pass on the address directly.
2205 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
2206 the subreg in the helper patterns.
2207 (unaligned_extendqidi_le): Use get_unaligned_offset.
2208 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
2209 (unaligned_extendhidi_be): Likewise.
2210 (unaligned_extendhidi): Tidy.
2211 * config/alpha/alpha-protos.h: Update.
2213 2007-04-20 Richard Henderson <rth@redhat.com>
2215 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
2216 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
2217 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
2218 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2219 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2220 (CPP_SPEC): Don't include %(cpp_subtarget).
2221 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
2222 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
2223 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
2225 2007-04-20 Jakub Jelinek <jakub@redhat.com>
2227 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
2228 for __builtin_ia32_cmpordss.
2230 PR tree-optimization/31632
2231 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
2232 and arg1 for optimizations of comparison against min/max values.
2233 Fold arg0 to arg1's type for optimizations of comparison against
2234 min+1 and max-1 values.
2236 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
2238 * reload.c (combine_reloads): When trying to use a dying register,
2239 check whether it's uninitialized and don't use if so.
2241 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
2243 * fold-const.c: Remove prototypes for native_encode_expr and
2244 native_interpret_expr.
2245 (native_encode_expr): Make non-static.
2246 (native_interpret_expr): Likewise.
2247 * tree.h: Add prototypes for the above.
2249 2007-04-19 Joseph Myers <joseph@codesourcery.com>
2251 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
2252 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
2253 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
2254 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
2255 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
2256 Add length attributes.
2258 2007-04-19 Janis Johnson <janis187@us.ibm.com>
2260 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
2263 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
2264 __STDC_WANT_DEC_FP__.
2266 2007-04-19 Joseph Myers <joseph@codesourcery.com>
2268 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
2269 for long double compatibility.
2270 * configure: Regenerate.
2272 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
2274 PR rtl-optimization/29841
2275 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
2277 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
2278 that may cause control flow transfer from being moved.
2280 2007-04-18 Jan Hubicka <jh@suse.cz>
2282 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
2285 2007-04-18 Eric Christopher <echristo@apple.com>
2287 * config/rs6000/darwin.md (load_macho_picbase): Use link register
2288 only. Update operands.
2289 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
2290 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
2291 link register to pic register.
2293 2007-04-18 Dirk Mueller <dmueller@suse.de>
2296 * tree-vrp.c (search_for_addr_array): New.
2297 (check_array_bounds): Suppress warning about
2298 address taken of array refs if its not de-referenced.
2300 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
2302 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
2303 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
2305 * tree-vectorizer.h (NITERS_KNOWN_P): New.
2306 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
2307 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
2309 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
2311 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
2313 (vect_analyze_scalar_cycles): Fix indentation.
2314 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
2315 (vect_mark_relevant): Include phis in relevance analysis.
2317 * tree-vect-transform.c (vect_transform_loop): Add an assert.
2319 2007-04-18 Anatoly Sokolov <aesok@post.ru>
2321 * config/avr/avr.c (ptrreg_to_str): Replace error() with
2322 output_operand_lossage().
2324 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
2326 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
2327 the unused code for reduction without adjust-in-epilog to simplify the
2330 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
2332 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
2333 (S390_TDC_NEGATIVE_ZERO): New constant.
2334 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
2335 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
2336 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
2337 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
2338 (S390_TDC_POSITIVE_INFINITY): New constant.
2339 (S390_TDC_NEGATIVE_INFINITY): New constant.
2340 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
2341 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
2342 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
2343 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
2344 (S390_TDC_INFINITY): New constant.
2345 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
2346 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
2347 optimization for UNSPEC_CCZ_TO_INT.
2348 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
2349 ("*ccz_to_int"): New insn.
2350 ("isinf<mode>2"): New insn.
2351 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
2352 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
2353 (UNSPEC_CCZ_TO_INT): New constant.
2355 2007-04-18 Richard Guenther <rguenther@suse.de>
2357 PR tree-optimization/19431
2358 PR tree-optimization/21463
2359 * tree-pass.h (pass_phiprop): Declare.
2360 * passes.c (init_optimization_passes): New phiprop pass.
2361 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
2362 (phivn_valid_p): New helper function.
2363 (phiprop_insert_phi): Likewise.
2364 (propagate_with_phi): Likewise.
2365 (tree_ssa_phiprop): New propagator propagating loads
2366 through phi nodes if profitable.
2368 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
2370 * tree-vect-analyze.c (process_use): New function.
2371 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
2372 Check phis in all bbs.
2373 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
2376 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
2378 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
2381 2007-04-17 Anatoly Sokolov <aesok@post.ru>
2384 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
2387 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
2389 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
2391 (sse_vmmulv4sf3): Likewise.
2392 (sse2_vmaddv2df3): Likewise.
2393 (sse2_vmmulv2df3): Likewise.
2395 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
2397 PR rtl-optimization/31360
2398 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
2399 (target_reg_cost): New.
2400 (init_set_costs): Initialize target_reg_cost. Add comments
2401 regarding the rationale of the costs.
2402 (global_cost_for_size): Renamed to...
2403 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
2404 of register pressure.
2405 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
2406 estimate_reg_pressure_cost. Add number of ivs.
2407 (determine_set_costs): Dump target_reg_cost.
2408 * loop-invariant.c (gain_for_invariant): Use
2409 estimate_reg_pressure_cost. Removed n_inv_uses argument.
2410 (best_gain_for_invariant, find_invariants_to_move): Remove
2412 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
2413 (target_reg_cost): Declare.
2414 (global_cost_for_size): Declaration removed.
2415 (estimate_reg_pressure_cost): Declare.
2417 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
2419 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
2420 regnos into even/odd register pairs.
2421 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
2422 TDmode similar to the other floating point modes.
2423 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
2424 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
2426 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
2427 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
2428 (movdd_hardfloat64): Use TARGET_MFPGPR.
2430 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
2432 * reload1.c (delete_output_reload): Don't count output in n_inherited.
2435 2005-01-05 Richard Henderson <rth@redhat.com>
2437 * reload1.c (do_input_reload): Restrict the optimization deleteing
2438 a previous output reload to RELOAD_FOR_INPUT.
2440 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
2442 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
2443 induc_vec_info_type.
2444 (vectorizable_induction): New function declaration.
2445 * tree-vect-transform.c (get_initial_def_for_induction): No need to
2446 check if already vectorized. Find first place in BB where new stmts
2447 can be inserted. Takes only one argument.
2448 (vectorizable_induction): New function.
2449 (vect_transform_stmt): Add case for induc_vec_info_type to call
2450 vectorizable_induction.
2451 (vect_transform_loop): Consider phis for vectorization.
2452 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
2454 (analyze_operations): Call vectorizable_induction when analyzing phis.
2456 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
2457 (vect_mark_relevant): Include phis in relevance analysis.
2458 (vect_mark_stmts_to_be_vectorize): Likewise.
2459 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
2461 2007-04-16 Lawrence Crowl <crowl@google.com>
2463 * doc/invoke.texi (Debugging Options): Add documentation for the
2464 -femit-struct-debug options -femit-struct-debug-baseonly,
2465 -femit-struct-debug-reduced, and
2466 -femit-struct-debug-detailed[=...].
2468 * c-opts.c (c_common_handle_option): Add
2469 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
2470 and OPT_femit_struct_debug_detailed_.
2471 * c.opt: Add specifications for
2472 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
2473 and -femit-struct-debug-detailed[=...].
2474 * opts.c (set_struct_debug_option): Parse the
2475 -femit-struct-debug-... options.
2476 * opts.c (matches_main_base, main_input_basename,
2477 main_input_baselength, base_of_path, matches_main_base): Add
2478 variables and functions to compare header base name to compilation
2480 * opts.c (should_emit_struct_debug): Add to determine to emit a
2481 structure based on the option.
2482 (dump_struct_debug) Also disabled function to debug this
2484 * opts.c (handle_options): Save the base name of the
2487 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
2488 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
2489 This hook indicates if a type is generic. Set it by default
2491 * langhooks.h (struct lang_hooks_for_types): Add a new hook
2492 to determine if a struct type is generic or not.
2493 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
2494 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
2495 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
2498 * flags.h (enum debug_info_usage): Add an enumeration to describe
2499 a program's use of a structure type.
2500 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
2501 to indicate the program's usage of the type. Filter structs based
2502 on the -femit-struct-debug-... specification.
2503 (gen_type_die): Split into two routines, gen_type_die and
2504 gen_type_die_with_usage. gen_type_die is now a wrapper
2505 that assumes direct usage.
2506 (gen_type_die_with_usage): Replace calls to gen_type_die
2507 with gen_type_die_with_usage adding the program usage of
2508 the referenced type.
2509 (dwarf2out_imported_module_or_decl): Suppress struct debug
2510 information using should_emit_struct_debug when appropriate.
2512 2007-04-16 Ian Lance Taylor <iant@google.com>
2514 PR tree-optimization/31522
2515 * tree-vrp.c (vr_phi_edge_counts): New static variable.
2516 (vrp_initialize): Allocate vr_phi_edge_counts.
2517 (vrp_visit_phi_node): Don't push to infinity if we saw a new
2518 executable edge. Drop test for all constants.
2519 (vrp_finalize): Free vrp_phi_edge_counts.
2521 * doc/cpp.texi (Common Predefined Macros): Clarify description of
2522 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
2524 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
2525 predecessors at head rather than tail.
2527 2007-04-16 Matthias Klose <doko@debian.org>
2529 * config/alpha/linux.h (CPP_SPEC): Define.
2530 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
2532 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
2534 * function.h: Remove sequence_stack extern declaration.
2536 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
2538 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
2540 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
2543 2007-04-16 Anatoly Sokolov <aesok@post.ru>
2545 * config/avr/avr.c (avr_arch_types): Rearranging array.
2546 (enum avr_arch): Add.
2547 (avr_mcu_types): Use avr_arch enumeration constants instead of
2549 * config/avr/avr.h (LINK_SPEC): Simplify.
2551 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
2553 * config/m68k/m68k.c (m68k_libcall_value,
2554 m68k_function_value): Use macros for register names more.
2556 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
2558 (M68K_REGNAME): Use A6_REG.
2559 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
2561 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2564 * sched-int.h (struct deps): Split field 'pending_lists_length' into
2565 'pending_read_list_length' and 'pending_write_list_length'. Update
2567 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
2568 to handle two length counters instead of one. Update all uses.
2569 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
2570 two length counters instead of one.
2571 * sched-rgn.c (propagate_deps): Update to handle two length counters
2574 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
2577 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
2578 copy of source, pass it to ix86_expand_vector_set and return
2581 2007-04-16 David Ung <davidu@mips.com>
2582 Joseph Myers <joseph@codesourcery.com>
2584 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
2585 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
2586 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
2587 Add 74K processor information.
2588 * config/mips/mips.md: Include 74k.md.
2589 (cpu): Add 74kc,74kf,74kx.
2590 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
2591 * config/mips/74k.md: New.
2592 * doc/invoke.texi (MIPS Options): Document 74K support.
2594 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
2596 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
2597 vectorizable_* functions.
2598 * tree-vect-transform.c (vectorizable_call): Add check for
2599 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
2600 (vectorizable_store): likewise.
2601 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
2603 (vectorizable_operation, vectorizable_type_demotion): Likewise.
2604 (vectorizable_type_promotion, vectorizable_load): Likewise.
2605 (vectorizable_live_operation, vectorizable_condition): Likewise.
2606 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
2608 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
2610 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2612 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
2613 register numbers more.
2614 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
2615 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
2616 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
2617 FUNCTION_VALUE_REGNO_P): Likewise.
2618 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
2619 STATIC_CHAIN_REGNUM): Likewise.
2620 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
2621 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
2622 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
2623 * config/m68k/m68k.md (FP_REG): New.
2625 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2627 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
2630 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
2632 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
2633 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
2636 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2638 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
2641 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
2644 * c-decl.c (finish_decl): Grab the type of the decl after the call
2645 to store_init_value.
2647 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
2649 * common.opt (fforward-propagate): Fix "Optimization" annotation.
2651 2007-04-14 Jakub Jelinek <jakub@redhat.com>
2654 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free dominators,
2655 post dominators and cleanup cfg before returning.
2657 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
2659 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
2660 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
2662 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
2664 * config.gcc: Recognize fido.
2665 * config/m68k/m68k-devices.def (fidoa): New.
2666 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
2668 (FL_FIDOA, TARGET_FIDOA): New.
2669 * config/m68k/m68k.opt (mfidoa): New.
2671 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2674 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
2675 when a personality function is used.
2677 2007-04-13 Bob Wilson <bob.wilson@acm.org>
2679 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
2681 2007-04-13 Mike Stump <mrs@apple.com>
2683 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
2685 * config/darwin.opt (fapple-kext): Make C++ only.
2686 * config/darwin.c (darwin_override_options): Remove code to ensure
2687 -fapple-kext is given for C++ only.
2689 2007-04-13 Richard Sandiford <richard@codesourcery.com>
2691 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
2692 * config/mips/mips.c (override_options): Call
2693 SUBTARGET_OVERRIDE_OPTIONS, if defined.
2695 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
2697 * config/i386/i386.opt (msvr3-shlib): Removed.
2699 * doc/invoke.texi: Remove -msvr3-shlib.
2701 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
2703 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
2704 with "popcnt" instruction.
2706 2007-04-13 Richard Guenther <rguenther@suse.de>
2708 PR tree-optimization/21258
2709 * tree-vrp.c (compare_case_labels): New helper.
2710 (find_switch_asserts): New function.
2711 (find_assert_locations): Call it for SWITCH_EXPRs.
2713 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
2715 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
2716 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
2717 check is now implied in X87_FLOAT_MODE_P.
2718 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
2719 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
2720 (fix_trunc<mode>_i386_fisttp): Ditto.
2721 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
2722 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
2723 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
2724 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
2725 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
2726 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
2727 (unnamed_splitters): Ditto.
2728 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
2729 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
2730 FIRST_SSE_REG for local functions when SSE math is enabled or
2731 for functions with sseregparm attribute.
2732 (standard_80387_constant_p): Return -1 if mode is not
2734 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
2735 (ix86_expand_compare): Ditto.
2736 (ix86_expand_carry_flag_compare): Ditto.
2737 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
2738 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
2739 DECIMAL_FLOAT_MODE_P.
2740 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
2741 of SCALAR_FLOAT_MODE_P.
2742 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
2743 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
2744 checks before FLOAT_MODE_P.
2745 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
2746 before FLOAT_MODE_P.
2751 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
2753 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
2754 Charles Wilson <libtool@cwilson.fastmail.fm>
2756 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
2757 (libgcc.mvars): Don't depend on them.
2758 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
2759 * exec-tool.in: New.
2761 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
2763 * doc/invoke.text (--help): Document --help=common.
2765 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
2767 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
2769 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2771 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
2772 * genemit.c (main): Emit #include "integrate.h".
2773 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
2774 (LOADGP_RTP): New mips_loadgp_style.
2775 * config/mips/mips.h: Include config/vxworks-dummy.h.
2776 (TARGET_RTP_PIC): New macro.
2777 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
2778 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
2779 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
2781 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
2782 -mvxworks-pic when using -mrtp and a PIC option.
2783 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
2785 (mips_symbolic_constant_p, mips_symbolic_address_p)
2786 (mips_symbol_insns): Handle SYMBOL_HALF.
2787 (override_options): Warn about -G and -mrtp being used together.
2788 Initialize mips_lo_relocs[SYMBOL_HALF].
2789 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
2790 (mips_emit_loadgp): Handle LOADGP_RTP.
2791 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
2792 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
2793 (tablejump): Handle function-relative case table entries if
2795 * config/mips/predicates.md (symbol_ref_operand): New predicate.
2797 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2799 * config/mips/mips.md (load_call<mode>): Allow any general register.
2801 (sibcall_value_internal, sibcall_value_multiple_internal)
2802 (call_value_internal, call_value_split, call_value_multiple_internal)
2803 (call_value_multiple_split): Remove constraints from operand 0.
2805 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2807 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
2808 rather than loadgp_noshared.
2809 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
2810 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
2812 * config/mips/mips.md (loadgp): Rename to...
2813 (loadgp_newabi): ...this.
2814 (loadgp_noshared): Rename to...
2815 (loadgp_absolute): ...this.
2817 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2819 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
2820 false for locally-binding symbols.
2821 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
2823 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2825 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
2826 (SYMBOL_GOT_PAGE_OFST): ...this.
2827 (SYMBOL_GOT_GLOBAL): Rename to...
2828 (SYMBOL_GOT_DISP): ...this.
2829 (SYMBOL_GOTOFF_GLOBAL): Rename to...
2830 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
2831 * config/mips/mips.c (mips_global_symbol_p): New function.
2832 (mips_symbol_binds_local_p): Likewise.
2833 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
2834 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use mips_global_symbol_p
2835 and mips_symbol_binds_local_p.
2836 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
2837 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
2838 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
2840 (mips_ok_for_lazy_binding_p): New function.
2841 (mips_load_call_address, mips_expand_call): Use it.
2842 (mips_dangerous_for_la25_p): Likewise.
2843 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
2844 (*got_disp<mode>): Use got_disp_operand instead of
2845 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
2846 SYMBOL_GOTOFF_GLOBAL.
2847 (*got_page<mode>): Use got_page_ofst_operand instead of
2849 * config/mips/predicates.md (const_call_insn_operand): Use
2850 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
2851 (global_got_operand): Rename to...
2852 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
2854 (local_got_operand): Rename to...
2855 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
2856 of SYMBOL_GOT_LOCAL.
2858 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2860 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
2861 TARGET_CALL_CLOBBERED_GP.
2862 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2863 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
2864 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
2865 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
2866 of TARGET_ABICALLS && !TARGET_NEWABI.
2867 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2868 * config/mips/mips.c (mips_load_call_address): Check
2869 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2870 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2871 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
2872 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
2873 TARGET_ABICALLS && TARGET_NEWABI.
2874 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
2876 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
2877 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
2878 TARGET_ABICALLS && TARGET_NEWABI.
2879 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
2880 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
2881 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
2882 whether indirect calls must use $25.
2883 (mips_extra_live_on_entry): Check TARGET_GOT instead of
2885 * config/mips/mips.md (jal_macro): Check flag_pic and
2886 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
2887 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
2888 instead of TARGET_ABICALLS.
2889 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
2890 TARGET_ABICALLS && TARGET_OLDABI.
2891 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
2892 (sibcall): In the comment above the define_insn, mention
2893 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
2894 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
2895 instead of TARGET_ABICALLS.
2897 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
2899 * doc/md.texi (Blackfin family constraints): Document PA and PB.
2900 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
2901 (MACFLAGS_MATCH_P): New macro.
2902 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
2903 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
2904 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
2905 the other MACFLAG constants.
2906 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
2907 (flag_machi): Tighten constraints. Renumber some of the operands.
2908 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
2910 (flag_machi_parts_acconly): New pattern.
2911 (flag_macinithi): Tighten constraints. Allow any accumulator to be
2913 (flag_macinit1hi): Tighten constraints.
2914 (flag_mul_macv2hi_parts_acconly): New pattern.
2916 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
2917 Use a more efficient implementation.
2918 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
2919 inline sequences when not optimizing for size.
2921 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
2922 movhi_high2low): Delete, merge functionality into...
2923 (packv2hi): ... this pattern.
2925 2007-02-11 Jie Zhang <jie.zhang@analog.com>
2926 * config/bfin/bfin.opt (msim): New option.
2927 (mcpu=): New option.
2928 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
2929 (bfin_cpu_t): Typedef of enum bfin_cpu.
2930 (bfin_cpu_type): New declaration.
2931 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
2932 -msim and -mcpu= options.
2933 (LIB_SPEC): Likewise.
2934 * config/bfin/bfin.c (bfin_cpu_type): Define.
2935 (bfin_handle_option): Handle -mcpu= option.
2936 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
2937 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
2938 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
2940 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2942 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
2943 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
2944 (powerpc-wrs-vxworksae): Use ${tm_file}.
2945 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
2946 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
2947 * config/i386/vx-common.h: New file.
2949 2007-04-12 Richard Sandiford <richard@codesourcery.com>
2951 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
2954 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
2956 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
2959 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
2963 * c-common.c (c_build_qualified_type): Set canonical type
2966 2007-04-12 Richard Guenther <rguenther@suse.de>
2968 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
2969 lower bound and element size if lower bound is not zero
2970 or either of the ARRAY_REF operands is set.
2972 2007-04-12 Richard Guenther <rguenther@suse.de>
2974 PR tree-optimization/24689
2975 PR tree-optimization/31307
2976 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
2978 * gimplify.c (canonicalize_addr_expr): To be consistent with
2979 gimplify_compound_lval only set operands two and three of
2980 ARRAY_REFs if they are not gimple_min_invariant. This makes
2981 it never at this place.
2982 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
2984 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2986 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
2987 null before emitting a .nsubspa directive.
2989 2007-04-11 Diego Novillo <dnovillo@redhat.com>
2991 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
2992 need_to_partition_p if there are no memory statements in the
2995 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
2997 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
2998 (gcd_of_steps_may_divide_p): New function.
2999 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
3001 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
3003 * reload.c (find_reloads_toplev, find_reloads_address,
3004 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
3005 not a pointer equality test, to decide if we need to call
3006 push_reg_equiv_alt_mem.
3008 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
3010 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
3011 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps): New.
3012 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
3014 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
3016 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
3017 vector to be positive.
3019 2007-04-11 Diego Novillo <dnovillo@redhat.com>
3023 * doc/invoke.texi: Document --params max-aliased-vops and
3025 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
3026 debug_memory_partitions): Move to tree-flow.h
3027 * params.h (AVG_ALIASED_VOPS): Define.
3028 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
3030 (mp_info_t): Likewise.
3031 (get_mem_sym_stats_for): New.
3032 (set_memory_partition): Move from tree-flow-inline.h.
3033 (mark_non_addressable): Only clear the set of symbols for the
3034 partition if it exists.
3035 (dump_memory_partitions): Move from tree-ssa-operands.c
3036 (debug_memory_partitions): Likewise.
3037 (need_to_partition_p): New.
3038 (dump_mem_ref_stats): New.
3039 (debug_mem_ref_stats): New.
3040 (dump_mem_sym_stats): New.
3041 (debug_mem_sym_stats): New.
3042 (update_mem_sym_stats_from_stmt): New.
3043 (compare_mp_info_entries): New.
3044 (mp_info_cmp): Call it.
3045 (sort_mp_info): Change argument to a list of mem_sym_stats_t
3047 (get_mpt_for): Move from tree-ssa-operands.c.
3048 (find_partition_for): New.
3049 (create_partition_for): Remove.
3050 (estimate_vop_reduction): New.
3051 (update_reference_counts): New.
3052 (build_mp_info): New.
3053 (compute_memory_partitions): Refactor.
3054 Document new heuristic.
3055 Call build_mp_info, update_reference_counts,
3056 find_partition_for and estimate_vop_reduction.
3057 (compute_may_aliases): Populate virtual operands before
3058 calling debugging dumps.
3059 (delete_mem_sym_stats): New.
3060 (delete_mem_ref_stats): New.
3061 (init_mem_ref_stats): New.
3062 (init_alias_info): Call it.
3063 (maybe_create_global_var): Remove alias_info argument.
3064 Get number of call sites and number of pure/const call sites
3065 from gimple_mem_ref_stats().
3066 (dump_alias_info): Call dump_memory_partitions first.
3067 (dump_points_to_info_for): Show how many times a pointer has
3069 * opts.c (decode_options): For -O2 set --param
3070 max-aliased-vops to 500.
3071 For -O3 set --param max-aliased-vops to 1000 and --param
3072 avg-aliased-vops to 3.
3073 * fortran/options.c (gfc_init_options): Remove assignment to
3075 * tree-flow-inline.h (gimple_mem_ref_stats): New.
3076 * tree-dfa.c (dump_variable): Dump memory reference
3078 Dump NO_ALIAS* settings.
3079 (referenced_var_lookup): Tidy.
3080 (mem_sym_stats): New.
3081 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
3082 and ORIG are different SSA names for a memory partition.
3083 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
3084 * tree-flow.h (struct mem_sym_stats_d): Define.
3085 (mem_sym_stats_t): Define.
3086 (struct mem_ref_stats_d): Define.
3087 (struct gimple_df): Add field mem_ref_stats.
3088 (enum noalias_state): Define.
3089 (struct var_ann_d): Add bitfield noalias_state.
3090 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
3091 debug_mem_ref_stats, debug_memory_partitions,
3092 debug_mem_sym_stats): Declare.
3093 * tree-ssa-structalias.c (update_alias_info): Update call
3094 sites, pure/const call sites and asm sites in structure
3095 returned by gimple_mem_ref_stats.
3096 Remove local variable IS_POTENTIAL_DEREF.
3097 Increase NUM_DEREFS if the memory expression is a potential
3099 Call update_mem_sym_stats_from_stmt.
3100 If the memory references memory, call
3101 update_mem_sym_stats_from_stmt for all the direct memory
3102 symbol references found.
3103 (intra_create_variable_infos): Set noalias_state field for
3104 pointer arguments according to the value of
3105 flag_argument_noalias.
3106 * tree-ssa-structalias.h (struct alias_info): Remove fields
3107 num_calls_found and num_pure_const_calls_found.
3108 (update_mem_sym_stats_from_stmt): Declare.
3109 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
3110 Set default value to 100.
3111 (PARAM_AVG_ALIASED_VOPS): Define.
3113 2007-04-11 Richard Guenther <rguenther@suse.de>
3116 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
3117 a * -b + c as c - a * b if we honor sign dependent rounding.
3119 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
3121 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
3123 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
3124 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
3126 (initialize_trampoline): Don't use old-style function definition.
3127 (bfin_secondary_reload): Mark IN_P argument as unused.
3129 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
3131 PR tree-optimization/31343
3132 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
3133 (build_polynomial_chrec): Return a scalar when the evolution is zero.
3134 * testsuite/gcc.dg/vect/pr31343.c: New.
3136 2007-04-10 Eric Christopher <echristo@apple.com>
3138 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
3139 * config/i386/i386.md (*cmpfp0): Use.
3140 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
3141 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
3142 (fix_trunc<mode>_i386_fisttp): Ditto.
3143 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
3144 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
3145 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
3146 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
3147 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
3148 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
3149 (unnamed_splitters): Ditto.
3150 * config/i386/i386.c (output_fix_trunc): Assert that
3151 we're not being passed a TFmode operand.
3153 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
3155 PR tree-optimization/31526
3156 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
3157 n_basic_blocks to find newly added blocks.
3159 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
3161 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
3163 (fix_trunc<mode>si_sse): Ditto.
3164 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
3165 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
3166 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
3167 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
3168 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
3169 expander using SSEMODEF mode macro.
3170 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
3171 expander using SSEMODEF mode macro.
3172 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
3173 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
3174 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
3175 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
3176 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
3177 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
3178 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
3179 Macroize insn using X87MODEF mode macro.
3181 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
3183 * config/i386/sse.md (sse2_pinsrw): Removed.
3184 (sse2_pextrw): Renamed to ...
3185 (*sse2_pextrw): This.
3187 2007-04-09 Jan Hubicka <jh@suse.cz>
3190 * config/i386/sse.md
3191 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
3192 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
3193 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
3194 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
3196 2007-04-09 Jan Hubicka <jh@suse.cz>
3198 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
3199 multiple fields of union.
3201 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
3203 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
3204 (create_preheaders): Check that loops are available.
3205 (fix_loop_structure): Clean up, improve comments.
3206 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
3207 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
3209 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
3210 * predict.c (tree_estimate_probability): Do not call
3211 calculate_dominance_info. Call create_preheaders.
3212 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
3213 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
3215 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
3216 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
3217 * tree-cfg.c (tree_split_edge): Make an assert more precise.
3218 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
3221 2007-04-08 Jan Hubicka <jh@suse.cz>
3223 * tree.h (maybe_fold_offset_to_component_ref): Declare.
3224 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
3225 * fold-const.c (fold_unary): Use it.
3227 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
3229 * varasm.c (assemble_variable): Remove call to
3230 lang_hooks.decls.prepare_assemble_variable.
3231 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
3232 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
3233 * langhooks.h (lang_hooks_for_decls): Remove
3234 prepare_assemble_variable.
3236 2007-04-08 Mike Stump <mrs@apple.com>
3238 * config/i386/i386.c: Use inc/dec on Core2.
3240 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
3242 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
3243 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
3244 lhd_tree_inlining_end_inlining): Remove.
3245 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
3246 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
3248 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
3249 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
3250 lhd_tree_inlining_end_inlining): Remove prototypes.
3251 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
3252 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
3253 LANG_HOOKS_TREE_INLINING_START_INLINING,
3254 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
3256 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
3259 2007-04-08 Anatoly Sokolov <aesok@post.ru>
3262 * config/avr/predicates.md (io_address_operand): Delete predicate.
3263 (low_io_address_operand): Don't use 'mode' argument.
3264 (higth_io_address_operand): Rename ...
3265 (high_io_address_operand): ... to this. Don't use 'mode' argument.
3266 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
3269 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
3271 Revert change removing staticp.
3273 2007-04-07 Anatoly Sokolov <aesok@post.ru>
3276 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
3279 2007-04-07 Bruce Korb <bkorb@gnu.org>
3281 * c.opt: Add -Wformat-contains-nul.
3282 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
3284 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
3285 the NUL byte warning.
3287 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
3289 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
3291 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
3293 * tree.c (staticp): No longer use staticp langhook.
3294 * langhooks.c (lhd_staticp): Removed.
3295 * langhooks.h (struct lang_hooks): Remove staticp.
3296 * c-common.c (c_staticp): Remove.
3297 * c-common.h (c_staticp): Ditto.
3298 * langhooks-defs.h (lhd_staticp): Ditto.
3299 (LHD_HOOKS_STATICP): Ditto
3300 * tree.h (gcc_assert_lowered): New macro.
3302 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
3304 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
3305 argument "reliable".
3306 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
3307 Add argument "reliable". Propagate it through calls.
3308 (infer_loop_bounds_from_undefined): Derive number of iterations
3309 estimates from references in blocks that do not dominate loop latch.
3310 (gcov_type_to_double_int): New function.
3311 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
3312 and expected_loop_iterations_unbounded.
3313 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
3314 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
3315 * tree-data-ref.c (estimated_loop_iterations): Export.
3316 (get_references_in_stmt): Fix -- do not return addresses of local
3318 * cfgloop.h (expected_loop_iterations_unbounded,
3319 estimated_loop_iterations): Declare.
3321 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
3323 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
3325 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
3327 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
3328 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
3329 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
3330 Use output_387_reg_move().
3331 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
3332 expander using X87MODEF12 mode macro.
3333 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
3334 choosing register preferences. Use output_387_reg_move().
3335 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
3336 instead of "x". Use output_387_reg_move().
3337 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
3338 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
3339 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
3340 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
3341 Use output_387_reg_move().
3342 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
3344 (*truncxf?f_i387 splitter): Ditto.
3346 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
3348 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
3349 LANG_HOOKS_SAFE_FROM_P.
3350 * expr.c (safe_from_p): Remove langhook call.
3351 * langhooks.h (lang_hooks): Remove safe_from_p.
3352 (lhd_safe_from_p): Remove prototype.
3353 * langhooks.c (lhd_safe_from_p): Remove.
3355 2007-04-06 Jan Hubicka <jh@suse.cz>
3357 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
3360 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
3362 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
3363 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
3364 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
3365 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
3367 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
3368 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
3370 2007-04-05 Richard Henderson <rth@redhat.com>
3372 * config/alpha/alpha.c (print_operand) [+]: Remove.
3373 (alpha_end_function): Print nop if call at end of function.
3374 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
3375 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
3376 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
3377 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
3378 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
3379 the call pattern. Update peepholes to match.
3381 2007-04-05 Janis Johnson <janis187@us.ibm.com>
3383 * doc/extend.texi (Other Builtins): Add decimal float variants
3385 * builtins.def: Ditto.
3386 * builtins.c (expand_builtin): Ditto.
3388 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
3389 H.J. Lu <hongjiu.lu@intel.com>
3392 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
3393 of V8HImode when calling ix86_binary_operator_ok.
3394 (sse2_pmaddwd): Call ix86_binary_operator_ok.
3395 (sdot_prodv8hi): Operands 1 and 2 must be register.
3397 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
3399 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
3400 initialize align to silence bogus warning.
3402 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
3405 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
3407 (struct sra_walk_fns): Remove use_all parameter from use.
3408 (sra_hash_tree): Handle BIT_FIELD_REFs.
3409 (sra_elt_hash): Don't hash bitfld blocks.
3410 (sra_elt_eq): Skip them in parent compares as well. Handle
3412 (sra_walk_expr): Don't maintain or pass down use_all_p.
3413 (scan_use): Remove use_all parameter.
3414 (scalarize_use): Likewise. Re-expand assignment to
3415 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
3416 output, and re-scalarize after output. Don't mark anything
3418 (scalarize_ldst): Adjust.
3419 (scalarize_walk_gimple_modify_statement): Likewise.
3420 (build_element_name_1): Handle BIT_FIELD_REFs.
3421 (instantiate_element): Don't warn for any element whose parent
3423 (instantiate_missing_elements_1): Return the sra_elt.
3424 (canon_type_for_field): New.
3425 (try_instantiate_multiple_fields): New.
3426 (instantiate_missing_elemnts): Use them.
3427 (mark_no_warning): Removed.
3428 (generate_one_element_ref): Handle BIT_FIELD_REFs.
3429 (REPLDUP, sra_build_elt_assignment): New.
3430 (generate_copy_inout): Use them.
3431 (generate_element_copy): Likewise. Handle bitfld differences.
3432 (generate_element_zero): Don't recurse for blocks. Use
3433 sra_build_elt_assignment.
3434 (generate_one_element_int): Take elt instead of var. Use
3435 sra_build_elt_assignment.
3436 (generate_element_init_1): Adjust.
3437 (scalarize_use, scalarize_copy): Use REPLDUP.
3438 (scalarize_ldst): Move assert before dereference.
3439 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
3441 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
3443 * regmove.c: Fix unused variable warnings due to previous commit.
3445 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
3447 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
3448 (regmove_bb_head): Remove.
3449 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
3450 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
3451 problems with fixup_match_1.
3452 Don't initialize/free regmove_bb_head.
3454 (reg_is_remote_constant_p): If an insn is in the same basic block
3455 but not before INSN, consider it remote, too.
3457 2007-04-05 Anatoly Sokolov <aesok@post.ru>
3460 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
3461 DECL_ASSEMBLER_NAME, not the DECL_NAME.
3463 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
3465 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
3466 (CONDITIONAL_REGISTER_USAGE): Likewise.
3468 2007-04-04 Richard Henderson <rth@redhat.com>
3470 * config/alpha/lib1funcs.asm: Remove unused file.
3472 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3475 * opts.c (print_specific_help): Fix --help=<language>
3477 (common_handle_option): Support --help=common.
3479 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3482 * gcc.c (main): Do not run the linker if
3483 print_subprocess_help indicates that it shouldn't be
3486 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
3489 * doc/invoke.texi (--help=): Document <languages> value, fix
3490 formatting in tables of values.
3492 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
3494 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
3495 dllimport attribute of virtual methods.
3497 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
3499 * config/score/crti.asm: Change _bss_start to __bss_start.
3500 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
3501 (OUTGOING_REG_PARM_STACK_SPACE) update.
3502 * config/score/score.opt: add options to make backend support
3503 score5, score5u, score7 and score7d.
3504 * config/score/score.md: Likewise.
3505 * config/score/misc.md: Likewise.
3506 * config/score/mac.md: Likewise.
3507 * doc/invoke.texi: Likewise.
3508 * doc/md.texi: update constraints define.
3510 2007-04-03 Richard Henderson <rth@redhat.com>
3512 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
3513 an appropriate type, use the mode instead.
3515 2007-04-03 Richard Sandiford <richard@codesourcery.com>
3517 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
3518 Set the default --with-arch setting to mips2.
3519 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
3520 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
3521 (MULTILIB_OSDIRNAMES): Delete.
3522 (MULTILIB_DIRNAMES): Define.
3523 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
3524 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
3525 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
3526 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
3527 VXWORKS_OS_CPP_BUILTINS.
3528 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
3529 (MIPS_DEBUGGING_INFO): Undefine.
3530 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
3532 2007-04-03 Jakub Jelinek <jakub@redhat.com>
3535 * fold-const.c (native_encode_real): Encode real.c provided longs
3536 as a series of 32-bit native integers.
3537 (native_interpret_real): Interpret buffer as a series of 32-bit
3540 2007-04-03 Richard Guenther <rguenther@suse.de>
3542 * genpreds.c (write_insn_constraint_len): Write function
3543 optimized for CONSTRAINT_LEN implementation.
3544 (write_tm_preds_h): Output insn_constraint_len inline and
3545 use it for CONSTRAINT_LEN.
3546 (write_insn_preds_c): Don't output insn_constraint_len.
3547 * doc/md.texi (define_register_constraint): Document multi-letter
3548 constraints shall have the same length if they start with the same
3551 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
3554 * config/i386/i386.md (isinf<mode>2): Expand only when
3555 TARGET_C99_FUNCTIONS is set.
3557 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
3559 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
3560 (x86_64-*-linux*): Ditto.
3561 * config/i386/i386.opt (mpc): New option.
3562 * config/i386/i386.c (overrride_options): Handle
3563 ix87_precision_string.
3564 * config/i386/crtprec.c: New file.
3565 * config/i386/t-crtpc: Ditto.
3566 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
3568 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
3569 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
3570 crtprec32.o, crtprec64.o and crtprec80.o.
3572 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
3574 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
3576 2007-04-02 Eric Christopher <echristo@apple.com>
3578 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
3579 limitations on darwin.
3581 2007-04-02 Anatoly Sokolov <aesok@post.ru>
3584 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
3586 2007-04-02 Dave Korn <dave.korn@artimi.com>
3588 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
3590 2007-04-02 Dave Korn <dave.korn@artimi.com>
3592 * libgcc2.h (exception_descriptor): Don't forward-declare.
3593 (__get_eh_table_language, __get_eh_table_version): Delete
3594 prototypes of long-dead functions.
3596 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
3598 * ebitmap.h: New file
3599 * ebitmap.c: New file
3600 * Makefile.in (ebitmap.o): New target.
3602 2007-04-01 Jan Hubicka <jh@suse.cz>
3604 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
3605 before very first instruction.
3607 2007-04-01 Jan Hubicka <jh@suse.cz>
3609 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
3610 waring on 64bit hosts.
3611 * bitmap.h: Fix typo in bitmap_head_def.
3613 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
3615 PR rtl-optimization/31391
3616 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
3617 into a DELETED_LABEL note, and the label is in an empty basic
3618 block, update BB_END as well as BB_HEAD.
3620 2007-04-01 Richard Henderson <rth@redhat.com>
3622 PR tree-optimization/31169
3623 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
3624 to varying if the range is outside [0, prec-1].
3626 2007-04-01 Richard Sandiford <richard@codesourcery.com>
3629 * config/mips/mips.md (load_const_gp): New insn.
3630 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
3631 the MIPS16 GP pseudo register if no_new_pseudos.
3632 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
3634 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
3637 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
3639 (call_value): Likewise.
3641 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
3642 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3645 * doc/invoke.texi: (optimization options): Reword description
3646 of -ffast-math. Document its primary purpose.
3648 2007-03-31 Richard Guenther <rguenther@suse.de>
3650 * omp-low.c (splay-tree.h): Include.
3651 (lookup_decl): Replace splay-tree usage by pointer-map.
3652 (maybe_lookup_decl): Likewise.
3653 (new_omp_context): Likewise.
3654 (delete_omp_context): Likewise.
3655 * gimplify.c (splay-tree.h): Include.
3656 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
3658 (remap_ssa_name): Likewise.
3659 (remap_decl): Likewise.
3660 (remap_type_1): Likewise.
3661 (remap_type): Likewise.
3662 (copy_body_r): Likewise.
3663 (expand_call_inline): Likewise.
3664 (clone_body): Likewise.
3665 (copy_tree_r): Likewise.
3666 (remap_save_expr): Likewise.
3667 (unsave_r): Likewise.
3668 (unsave_expr_now): Likewise.
3669 (tree_function_versioning): Likewise.
3670 (build_duplicate_type): Likewise.
3671 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
3672 (struct copy_body_data): Replace splay-tree by pointer-map.
3673 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
3674 not $(SPLAY_TREE_H).
3675 (gimplify.o): Depend on $(SPLAY_TREE_H).
3676 (omp-low.p): Likewise.
3678 2007-03-31 Anatoly Sokolov <aesok@post.ru>
3680 * config/avr/predicates.md (even_register_operand,
3681 odd_register_operand): New predicates.
3682 * config/avr/avr.md (movw peephole2): New.
3683 (movw_r peephole2): New.
3685 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
3687 * tree.h (get_signed_or_unsigned_type): New.
3688 * fold-const.c (operand_equal_for_comparison_p): Use
3689 get_signed_or_unsigned_type instead of
3690 lang_hooks.types.signed_or_unsigned_type.
3691 * expr.c (store_expr): Ditto.
3692 * langhooks.c (get_signed_or_unsigned_type): New.
3693 (lhd_signed_or_unsigned_type): New.
3694 * langhooks.h (lhd_signed_or_unsigned_type): New.
3695 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
3697 2007-03-30 Richard Henderson <rth@redhat.com>
3699 * tree-ssa-loop-ivopts.c: Include target.h.
3700 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
3701 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
3702 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
3703 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
3705 2007-03-30 Richard Henderson <rth@redhat.com>
3706 Kai Tietz <kai.tietz@onevision.com>
3708 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
3710 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
3711 (TARGET_64BIT_MS_ABI): New.
3712 (DBX_REGISTER_NUMBER): Handle 64-bit.
3713 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
3714 (LONG_TYPE_SIZE): Force to 32.
3715 (REG_PARM_STACK_SPACE): New.
3716 (OUTGOING_REG_PARM_STACK_SPACE): New.
3717 (REGPARM_MAX, SSE_REGPARM_MAX): New.
3718 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3719 (STACK_BOUNDARY): Use 128 for 64-bit.
3720 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
3721 Add 64-bit implementation.
3722 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
3724 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
3725 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
3726 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
3727 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
3728 (ix86_handle_cconv_attribute): Don't warn when ignoring if
3729 TARGET_64BIT_MS_ABI.
3730 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
3731 (ix86_pass_by_reference): Likewise.
3732 (ix86_function_value_regno_p): Likewise.
3733 (ix86_build_builtin_va_list): Likewise.
3734 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
3735 (function_arg_advance_ms_64): New.
3736 (function_arg_advance): Call it.
3737 (function_arg_ms_64): New.
3738 (function_arg): Call it.
3739 (function_value_ms_64): New.
3740 (ix86_function_value_1): Call it.
3741 (return_in_memory_ms_64): New.
3742 (ix86_return_in_memory): Call it.
3743 (setup_incoming_varargs_ms_64): New.
3744 (ix86_setup_incoming_varargs): Call it.
3745 (ix86_expand_prologue): Handle 64-bit stack probing.
3746 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
3747 (output_pic_addr_const): Likewise.
3748 (x86_this_parameter): Likewise.
3749 (x86_output_mi_thunk): Likewise.
3750 (x86_function_profiler): Likewise.
3751 (TARGET_STRICT_ARGUMENT_NAMING): New.
3752 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
3753 (TARGET_64BIT_MS_ABI): New.
3754 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
3755 * config/i386/i386.md (allocate_stack_worker): Remove.
3756 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
3757 describe the clobber of eax without a match_scratch.
3758 (allocate_stack_worker_postreload): Remove.
3759 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
3760 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
3761 (allocate_stack_worker_rex64_postreload): Remove.
3762 (allocate_stack): Handle 64-bit.
3763 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
3764 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
3765 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
3766 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
3767 (STANDARD_STARTFILE_PREFIX_1): Likewise.
3768 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
3769 * config.build (x86_64-*-mingw*): New host.
3770 * config.host (x86_64-*-mingw*): New host.
3771 * config.gcc (x86_64-*-mingw*): New target.
3772 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
3774 2007-03-30 Richard Henderson <rth@redhat.com>
3775 Kai Tietz <kai.tietz@onevision.com>
3777 * c-pragma.c (struct def_pragma_macro_value): New.
3778 (struct def_pragma_macro): New.
3779 (pushed_macro_table): New.
3780 (dpm_hash, dpm_eq): New.
3781 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
3782 (init_pragma): Install them.
3783 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
3785 2007-03-30 Anatoly Sokolov <aesok@post.ru>
3787 * config/avr/avr.c (avr_override_options): Clear
3788 'flag_delete_null_pointer_checks'.
3790 2007-03-30 Paolo Carlini <pcarlini@suse.de>
3793 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
3794 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
3795 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
3796 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
3797 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
3798 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
3799 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
3801 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
3803 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
3805 * regmove.c: Move all of pass_stack_adjustments from here...
3806 * combine-stack-adj.c: ...to this new file.
3807 * Makefile.in: Add rules for combine-stack-adj.o.
3809 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
3811 PR tree-optimization/31383
3812 * tree-data-ref.c (affine_function_equal_p): Do not require the vectors
3813 to have the same length.
3815 2007-03-30 Jan Hubicka <jh@suse.cz>
3818 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
3819 availablility; add more sanity checking; ask varpool only about
3822 2007-03-29 Richard Henderson <rth@redhat.com>
3824 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
3825 to decide, but __SIZEOF_LONG_LONG__.
3827 2007-03-29 Richard Henderson <rth@redhat.com>
3829 * emutls.c (struct __emutls_array): New.
3830 (emutls_destroy): Use it instead of casting element 0 from void*.
3831 (__emutls_get_address): Likewise.
3833 2007-03-29 Richard Henderson <rth@redhat.com>
3835 * varasm.c (initializer_constant_valid_p): Don't deny
3836 DECL_DLLIMPORT_P on functions.
3838 * config/i386/cygming.h: Remove function declarations.
3839 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
3840 (ASM_OUTPUT_LABELREF): Remove.
3841 (COMMON_ASM_OP): Remove.
3842 (ASM_OUTPUT_COMMON): Remove.
3843 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
3844 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
3845 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3846 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
3847 Rename from TARGET_ENCODE_SECTION_INFO.
3848 * config/i386/netware.h: Likewise.
3849 * config/i386/i386-protos.h: Update.
3850 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
3851 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
3852 (legitimate_constant_p): Reject dllimports.
3853 (dllimport_map, get_dllimport_decl): New.
3854 (legitimize_dllimport_symbol): New.
3855 (legitimize_address, ix86_expand_move): Use it.
3856 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
3857 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
3858 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
3859 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
3860 * config/i386/predicates.md (constant_call_address_operand): Only
3861 accept symbols; reject dllimport_p symbols.
3862 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
3863 i386_pe_maybe_record_exported_symbol.
3864 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
3865 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
3866 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
3867 trust the setting of DECL_DLLIMPORT_P.
3868 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
3869 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
3870 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
3871 tidy the argument scanning loop.
3872 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
3873 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
3874 (i386_pe_strip_name_encoding): Remove.
3875 (i386_pe_binds_local_p): New.
3876 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
3877 (i386_pe_output_labelref): Remove.
3878 (i386_pe_asm_output_aligned_decl_common): New.
3879 (i386_pe_maybe_record_exported_symbol): Rename from
3880 i386_pe_record_exported_symbol; check for dllexported symbols.
3882 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
3884 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
3885 add comment explaining why vsnprintf cannot be used.
3887 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
3889 PR tree-optimization/30666
3890 * tree.c (build_complex_type): When creating type names for DWARF2
3891 debug info, create TYPE_DECLs for TYPE_NAME instead of
3893 (build_common_tree_nodes_2): Use build_complex_type when building
3894 predefined complex types, to preserve canonical types.
3896 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
3898 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
3899 (noce_get_alt_condition): Look at it to determine whether to
3900 reverse the condition or not.
3901 (noce_get_condition): Substitute the truth for lies.
3902 (noce_find_if_block): Set the then_else_reversed field.
3904 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
3906 * config/fr30/fr30.md (movdi): Do not accept immediates as the
3907 destination of this insn.
3908 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
3909 than calling gen_rtx_SET directly. Use r0 to hold the value of
3910 'address + 4' rather than a stack based temporary which can be
3913 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3915 * config/s390/s390.c (s390_secondary_input_reload_class,
3916 s390_secondary_output_reload_class): Functions removed.
3917 (s390_secondary_reload): New function.
3918 (TARGET_SECONDARY_RELOAD): Target macro defined.
3919 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
3920 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
3921 * config/s390/s390.md ("reload_outti", "reload_outdi",
3922 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
3923 "reload_out<mode>"): Expanders removed.
3924 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
3925 "reload<mode>_nonoffmem_out"): Expanders added.
3927 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
3929 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair action if
3930 SRC->DEST replacement failed anyway.
3932 2007-03-28 Mike Stump <mrs@apple.com>
3934 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
3935 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
3936 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
3938 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
3940 * config.gcc: Accept barcelona as a variant of amdfam10.
3941 * config/i386/i386.c (override_options): Likewise.
3942 * doc/invoke.texi: Likewise.
3944 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
3946 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
3947 offsets for BIT_FIELD_REF and COMPONENT_REF.
3949 2007-03-28 Richard Guenther <rguenther@suse.de>
3951 * tree.c (is_global_var): Move ...
3952 * tree-flow-inline.h (is_global_var): ... here.
3953 * tree.h (is_global_var): Remove declaration.
3955 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
3957 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
3959 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
3960 * config/i386/i386.c (ix86_tune_features): Initialize new
3962 * config/i386/predicates.md (promotable_binary_operator): Use
3963 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
3965 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
3968 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
3970 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
3972 * config/fr30/fr30.md (movsi_internal): Change destination
3973 constraint from m to V and add m to the end.
3975 2007-03-28 Christian Bruel <christian.bruel@st.com>
3977 * config/sh/sh.md (movsi_i): Fix type attribute.
3979 2007-03-28 Christian Bruel <christian.bruel@st.com>
3981 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
3982 (movsf_ie): Likewise.
3984 2007-03-28 Christian Bruel <christian.bruel@st.com>
3986 * config.gcc: Add sh4-300 to multilib.
3987 * config/sh/t-mlib-sh4-300: New file.
3989 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
3991 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
3992 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
3994 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
3995 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
3996 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
3997 "fixuns_trunctddi2"): Whitespace fix.
3999 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
4001 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
4002 the definition of struct sh_args.
4003 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
4004 CALL_COOKIE_INT_REG_GET): Likewise.
4006 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
4008 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
4009 transformations are applied successfully.
4011 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
4013 * tree.c (tree_contains_struct): Permit 512 tree codes.
4014 * tree.h (tree_contains_struct): Ditto.
4015 (MAX_TREE_CODES): Ditto.
4016 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
4017 SPARE member to store remaining padding bits.
4019 2007-03-27 Anatoly Sokolov <aesok@post.ru>
4021 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
4024 2007-03-27 Janis Johnson <janis187@us.ibm.com>
4026 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
4027 * configure: Regenerate.
4029 * configure: Regenerate using the correct version of autoconf.
4031 2007-03-27 Anatoly Sokolov <aesok@post.ru>
4033 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
4035 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
4036 regs to "__SP_L__" and "__SP_H__".
4038 2007-03-27 Richard Guenther <rguenther@suse.de>
4040 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
4041 computations with it with a HOST_WIDE_INT variable.
4043 2007-03-26 Mike Stump <mrs@apple.com>
4045 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
4046 objective-c-header, objective-c++-header and objc++-cpp-output
4048 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
4050 2007-03-26 Richard Henderson <rth@redhat.com>
4053 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
4054 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
4055 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
4056 IX86_BUILTIN_PSRLQ128): New.
4057 (ix86_init_mmx_sse_builtins): Add them.
4058 (ix86_expand_builtin): Expand them.
4059 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
4060 operand 2 be TImode.
4061 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
4062 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
4063 _mm_srli_epi64): Mark __B const.
4064 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
4065 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
4066 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
4067 new two-vector shift builtins.
4069 2007-03-26 Ian Lance Taylor <iant@google.com>
4071 PR tree-optimization/31345
4072 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
4073 [+INF, +INF(OVF)] into VARYING.
4075 2007-03-26 Zack Weinberg <zackw@panix.com>
4077 * gengtype-parse.c: New file.
4078 * gengtype-yacc.y: Delete.
4079 * gengtype-lex.l: Don't include gengtype-yacc.h.
4080 Define YY_DECL and yyterminate appropriately for recursive
4081 descent parser. yylval is now a string out-parameter to yylex.
4082 (HWS, EOID): New shorthand.
4083 (IWORD): Add a couple more types.
4084 (yylex): Add a setup stanza. Remove the complex rules for
4085 detecting GTY'ed types and typedefs; replace with simple
4086 keyword detectors. Adjust everything for the changed
4087 definition of yylval. Ignore all pp-directives, not just #define.
4089 (parse_file): Rename yybegin; do not call yyparse.
4091 * gengtype.c (xasprintf): Export again.
4092 (this_file): New. Use everywhere __FILE__ was being used.
4093 (get_lang_bitmap): Special case types defined in gengtype.c.
4094 (do_typedef, new_structure): Suppress definition of certain types.
4095 (new_structure): Improve diagnostics of duplicate definitions.
4096 Make sure location_s is associated with input.h.
4097 (nreverse_pairs, define_location_structures): New functions.
4098 (main): Improve tagging of kludge types. Remove old kludges
4099 for input.h types; use define_location_structures.
4100 * gengtype.h: Update prototypes. Define token codes here.
4101 * Makefile.in: Remove all references to gengtype-yacc.
4102 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
4104 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
4105 add GTY((skip)) to the field that's only conditionally there.
4106 * doc/install.texi: Document that Bison is no longer required
4107 unless building treelang.
4109 * gengtype.c: Don't include gtyp-gen.h.
4110 (srcdir): Declare here.
4111 (base_files, lang_dir_names): Allocate dynamically.
4112 (gt_files, num_gt_files, num_lang_dirs): New globals.
4113 (measure_input_list, read_input_line, read_input_list)
4114 (set_lang_bitmap): New functions.
4115 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
4116 simplify, relying on read_input_list to set up the bitmaps.
4117 (main): Arguments are no longer unused. Check for correct number
4118 of command line arguments, set srcdir and srcdir_len, then call
4119 read_input_list, before doing anything else. No need to worry
4120 about duplicates in main loop.
4121 * configure.ac: Simplify the calculation of all_gtfiles.
4122 Put language tags in there. Don't set or substitute
4123 all_gtfiles_files_langs or all_gtfiles_files_frags.
4124 * Makefile.in: Revamp the way gengtype is invoked, now that it
4125 takes a file on its command line with a much simpler format.
4126 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
4127 (GTFILES): Remove duplicates and C source files.
4128 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
4129 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
4130 * configure: Regenerate.
4132 * gengtype.h: Remove all type definitions to gengtype.c; leave
4133 only definitions of options_p, type_p, and pair_p as opaque
4134 pointers. Update prototypes.
4135 * gengtype.c: Many type definitions moved here from gengtype.h.
4136 Consolidate type definitions at the top of the file.
4137 (xvasprintf): Delete.
4138 (xasprintf): Make static.
4139 (create_nested_pointer_option): Add 'next' parameter.
4140 (create_field_all, create_field_at): New functions.
4141 (create_field): Now a thin wrapper around create_field_all.
4142 (create_optional_field): Rename create_optional_field_ and add
4143 line argument. Original name is now a macro which supplies
4145 (oprintf): Use vsnprintf directly.
4146 (close_output_files): Use fatal rather than perror/exit.
4147 (note_def_vec, note_def_vec_alloc): Use create_field_at.
4148 (main): Set progname. Don't use exit.
4149 * gengtype-yacc.y (struct_fields): Use create_field_at.
4150 (option, optionseqopt): Delete.
4151 (optionseq): Consolidate productions from option here so we
4152 can use the first argument to create_option.
4154 * gengtype-lex.l: Distinguish unions from structures in the
4155 token type. Don't call find_structure; return the tag as a string.
4156 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and ENT_UNION.
4157 Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is string.
4158 Reorganize typedef_struct production accordingly.
4159 Use create_nested_ptr_option.
4160 * gengtype.c (create_nested_ptr_option): New function.
4161 * gengtype.h: Declare it.
4163 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
4164 (string_type): Don't declare.
4165 (do_scalar_typedef): Declare.
4166 (create_scalar_type): Update prototype.
4167 * gengtype.c (string_type): Make static.
4168 (scalar_nonchar, scalar_char): New.
4169 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
4170 (resolve_typedef): Use scalar_nonchar for error recovery.
4171 (create_scalar_type): Remove name_len field. Return scalar_char
4172 or scalar_nonchar as appropriate.
4173 (adjust_field_type): Look at scalar_is_char boolean to decide whether
4175 (throughout): Use scalar_nonchar instead of calling create_scalar_type,
4177 (main): Initialize scalar_char and scalar_nonchar before calling
4179 * gengtype-lex.l: Adjust for removal of second argument to
4180 create_scalar_type. Use yylval.s instead of yylval.t when
4182 * gengtype-yacc.y: Type of SCALAR is string. Call
4183 create_scalar_type from type:SCALAR rule. Adjust for removal of
4184 second argument to create_scalar_type.
4186 * vec.h: Remove all #if IN_GENGTYPE blocks.
4187 Add comment saying that changes may require adjustments to gengtype.
4188 * gengtype.c: Don't include coretypes.h or tm.h.
4189 Add comment to inclusion of errors.h.
4190 (note_def_vec, note_def_vec_alloc): New functions.
4191 * gengtype.h: Declare new functions.
4192 * gengtype-lex.l: Don't include coretypes.h.
4193 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
4195 (update_lineno): Remove unnecessary prototype.
4196 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
4197 (VEC rule): Just return VEC_TOKEN.
4198 * gengtype-yacc.y (VEC_TOKEN): New token type.
4199 (type): Add a production for VEC(a,b).
4200 * Makefile.in: Update dependencies.
4202 * gengtype-lex.l: Remove rules for parsing pointer-to-function
4203 typedefs that use the old PARAMS macro.
4205 * gengtype-lex.l: Remove all rules and states relating to yacc
4207 * gengtype-yacc.y: Similarly.
4208 * gengtype.c (note_yacc_type): Delete function.
4209 * gengtype.h: Update prototypes.
4211 2007-03-26 Joseph Myers <joseph@codesourcery.com>
4213 * tree-pretty-print.c (dump_generic_node): Report precision of
4214 unnamed integer types.
4216 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
4218 * ifcvt.c (noce_try_store_flag_constants): Don't check
4219 no_new_pseudos here.
4220 (noce_try_store_flag_constants): Don't check no_new_pseudos.
4221 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
4222 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
4223 noce_try_sign_mask): Likewise.
4224 (if_convert): Check no_new_pseudos here.
4226 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
4228 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
4229 (noce_get_condition): Handle new then_else_reversed argument.
4230 (noce_init_if_info): Remove, fold into noce_find_if_block.
4231 (noce_process_if_block): Take a struct noce_if_info as the
4232 argument. Don't set up one based on ce_if_info. Update pointer
4233 references accordingly.
4234 (cond_move_process_if_block): Likewise.
4235 (process_if_block): Removed.
4236 (find_if_block): Removed. Move functionality two new functions,
4237 noce_find_if_block and cond_exec_find_if_block.
4238 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
4239 blocks and the symmetric IF-ELSE-JOIN case.
4240 (cond_exec_find_if_block): Also new function mostly based on old
4241 find_if_block and process_if_block.
4242 (find_if_header): Replace find_if_block call with separately
4243 guarded calls to noce_find_if_block and cond_exec_find_if_block.
4244 (find_cond_trap): Update noce_get_condition call.
4245 (dead_or_predicable): Likewise.
4247 2007-03-26 Jakub Jelinek <jakub@redhat.com>
4249 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
4251 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
4252 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
4253 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
4254 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
4255 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
4256 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
4257 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
4258 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
4259 __builtin_ia32_psrad128 builtins.
4261 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
4263 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
4264 * config/i386/constraints.md
4265 (define_constraint "I"): Use IN_RANGE macro.
4266 (define_constraint "J"): Ditto.
4267 (define_constraint "K"): Ditto.
4268 (define_constraint "M"): Ditto.
4269 (define_constraint "N"): Ditto.
4270 (define_constraint "O"): Ditto.
4271 * config/i386/predicates.md
4272 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
4273 (define_predicate "const_0_to_3_operand"): Ditto.
4274 (define_predicate "const_0_to_7_operand"): Ditto.
4275 (define_predicate "const_0_to_15_operand"): Ditto.
4276 (define_predicate "const_0_to_63_operand"): Ditto.
4277 (define_predicate "const_0_to_255_operand"): Ditto.
4278 (define_predicate "const_1_to_31_operand"): Ditto.
4279 (define_predicate "const_2_to_3_operand"): Ditto.
4280 (define_predicate "const_4_to_7_operand"): Ditto.
4282 2007-03-25 David Edelsohn <edelsohn@gnu.org>
4284 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
4285 in SImode for save_world.
4286 * config/rs6000/altivec.md (save_world, restore_world): Convert to
4289 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
4291 PR tree-optimization/30784
4292 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
4295 2007-03-25 Revital Eres <eres@il.ibm.com>
4297 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
4298 Fold movement_possibility function into it.
4300 2007-03-25 David Edelsohn <edelsohn@gnu.org>
4302 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
4303 (load_macho_picbase_{si,di}): Convert to LR hard reg.
4304 (call_indirect_nonlocal_darwin64): Same.
4305 (call_nonlocal_darwin64): Same.
4306 (call_value_indirect_nonlocal_darwin64): Same.
4307 (call_value_nonlocal_darwin64): Same.
4308 (sibcall_nonlocal_darwin64): Same.
4309 (sibcall_value_nonlocal_darwin64): Same.
4310 (sibcall_symbolic_64): Same.
4311 (sibcall_value_symbolic_64): Same.
4312 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
4314 (rs6000_emit_load_toc_table): Same.
4315 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
4316 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
4322 (load_toc_v4_pic_si): Same
4323 (load_toc_v4_PIC_1): Same.
4324 (load_toc_v4_PIC_1b): Same.
4325 (call_indirect_aix{32,64}): Same.
4326 (call_value_indirect_aix{32,64}): Same.
4329 (call_local{32,64}): Same.
4330 (call_value_local{32,64}): Same.
4331 (call_indirect_nonlocal_aix{32,64}): Same.
4332 (call_nonlocal_aix{32,64}): Same.
4333 (call_value_indirect_nonlocal_aix{32,64}): Same.
4334 (call_value_nonlocal_aix{32,64}): Same.
4335 (call_indirect_nonlocal_sysv<mode>): Same.
4336 (call_nonlocal_sysv<mode>): Same.
4337 (call_value_indirect_nonlocal_sysv<mode>): Same.
4338 (call_value_nonlocal_sysv<mode>): Same.
4340 (sibcall_local{32,64}): Same.
4341 (sibcall_value_local{32,64}): Same.
4342 (sibcall_nonlocal_aix{32,64}): Same.
4343 (sibcall_value_nonlocal_aix{32,64}): Same.
4344 (sibcall_nonlocal_sysv<mode>): Same.
4345 (sibcall_value): Same.
4346 (sibcall_value_nonlocal_sysv<mode>): Same.
4348 2007-03-24 Paul Brook <paul@codesourcery.com>
4350 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
4351 * config/arm/linux-eabi.h: Remove legacy syscall hack.
4353 2007-03-24 Richard Henderson <rth@redhat.com>
4355 * config/ia64/constraints.md: New file.
4356 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
4357 satisfies_constraint_?.
4358 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
4359 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
4360 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
4361 ia64_output_mi_thunk): Likewise.
4362 (ia64_const_ok_for_letter_p): Remove.
4363 (ia64_const_double_ok_for_letter_p): Remove.
4364 (ia64_extra_constraint): Remove.
4365 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
4366 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
4367 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
4368 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
4369 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
4370 EXTRA_MEMORY_CONSTRAINT): Remove.
4371 * config/ia64/ia64.md: Include constriants.md. Replace
4372 CONST_OK_FOR_? with satisfies_constraint_?.
4374 2007-03-23 Michael Meissner <michael.meissner@amd.com>
4375 H.J. Lu <hongjiu.lu@intel.com>
4377 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
4379 (name macros): Use DPD_BID_NAME to convert names properly.
4381 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
4382 decimal floating point format.
4383 (init_floating_libfuncs): Change decimal functions so that they
4384 have a "bid_" prefix if the decimal system uses the BID format,
4385 and "dpd_" prefix if the decimal system uses the DPD format.
4386 (init_interclass_conv_libfuncs): Ditto.
4387 (init_intraclass_conv_libfuncs): Ditto.
4389 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4390 using the BID format.
4392 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4393 whether we are using the BID decimal format.
4394 * configure: Regenerate.
4396 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4397 the compiler has decimal floating point enabled. Define
4398 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4401 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
4402 using the BID format.
4404 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
4405 whether we are using the BID decimal format.
4406 * configure: Regenerate.
4408 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
4409 the compiler has decimal floating point enabled. Define
4410 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
4413 * doc/install.texi (--enable-decimal-float): Document BID and DPD
4414 options, and that it is enabled for i386/x86_64 systems.
4416 * Makefile.in (enable_decimal_float): New.
4418 (DECNUMINC): Add -I$(DECNUMFMT).
4419 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
4420 to $(DECNUMFMT) from $(DECNUM).
4422 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
4423 Substitute enable_decimal_float.
4424 * configure: Regenerated.
4427 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
4430 * configure.ac: Enable decimal float for x86_64-*-linux*.
4431 * configure: Regenerated.
4434 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
4435 decimal128ClearSign to flip and clear the sign bit in decimal128.
4436 (decimal_real_maxval): Set decimal128SetSign to set the sign
4439 2007-03-23 Ian Lance Taylor <iant@google.com>
4441 * fold-const.c (fold_binary): Correct warning for X - c >= X.
4443 2007-03-23 Ian Lance Taylor <iant@google.com>
4445 * tree-dump.c (dump_files): Correct comment.
4447 2007-03-23 Ian Lance Taylor <iant@google.com>
4449 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
4451 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
4453 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
4454 in cfglayout mode. Don't go into and out of cfglayout mode.
4455 Link the blocks in the order of the constructed traces.
4456 (rest_of_handle_tracer): Adjust call to tracer.
4457 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
4458 Don't go into cfglayout mode.
4459 (rtl_loop_done): Don't go out of cfglayout mode.
4460 * cfglayout.c (relink_block_chain): New function, split out from...
4461 (fixup_reorder_chain): ...here. Remove redundant checking.
4462 (cfg_layout_finalize): Don't clear the header, footer, and aux
4463 fields here, move the code to do so to relink_block_chain. Likewise
4464 for free_original_copy_tables.
4465 * rtl.h (tracer): Update prototype.
4466 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
4467 Assert we are in cfglayout mode. Don't go into and out of cfglayout
4468 mode. Use relink_block_chain to serialize the CFG according to the
4469 new basic block order. Move targetm.cannot_modify_jumps_p check from
4471 (gate_handle_reorder_blocks): ...to here.
4472 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
4474 (gate_duplicate_computed_gotos): ...to here.
4475 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
4476 something always changes when going into and out of cfglayout mode.
4477 Perform an expensive cfg cleanup while going into cfglayout mode.
4478 Always update liveness information on HAVE_conditional_execution
4479 targets. Reserialize the basic blocks and go out of cfglayout mode.
4480 * reg-stack.c: Include cfglayout.h.
4481 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
4482 the call to reorder_basic_blocks.
4483 * basic-block.h (reorder_basic_blocks): Update prototype.
4484 (relink_block_chain): New prototype.
4485 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
4487 2007-03-23 Joseph Myers <joseph@codesourcery.com>
4489 * config/mips/mips.md (type, hazard, *movdi_32bit,
4490 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
4491 *movhi_internal, *movqi_internal, *movsf_hardfloat,
4492 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
4493 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
4494 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
4496 (movcc): Change first xfer to multi.
4497 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
4498 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
4499 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
4500 config/mips/generic.md: Change reservations using "xfer" to use
4502 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
4503 using match_operand.
4504 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
4505 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
4507 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
4509 2007-03-22 Richard Henderson <rth@redhat.com>
4511 * config/i386/i386.c: Remove unnecessary function declarations.
4512 Move targetm definition, and all related macros, to the end of
4513 the file. Resort some functions to put definitions before uses.
4514 (ix86_attribute_table): Make static. Move to end of file.
4515 (ix86_gimplify_va_arg): Make static.
4517 2007-03-22 Richard Henderson <rth@redhat.com>
4519 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
4520 don't increase local_regparm with force_align_arg_pointer check.
4521 (ix86_function_sseregparm): Assert 32-bit.
4522 (type_has_variadic_args_p): New.
4523 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
4524 type_has_variadic_args_p.
4525 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
4526 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
4527 use memset instead. Do maybe_vaarg check first; skip attribute
4528 tests if true; skip attribute tests for 64-bit.
4529 (construct_container): Remove TARGET_DEBUG_ARG.
4530 (function_arg_advance_32, function_arg_advance_64): Split out ...
4531 (function_arg_advance): ... from here.
4532 (function_arg_32, function_arg_64): Split out ...
4533 (function_arg): ... from here.
4534 (ix86_pass_by_reference): Tidy.
4535 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
4536 (function_value_32): New, from parts of ix86_function_value
4537 and ix86_value_regno.
4538 (function_value_64): New, from parts of ix86_function_value
4539 and ix86_libcall_value.
4540 (ix86_function_value_1): New.
4541 (ix86_function_value, ix86_libcall_value): Use it.
4542 (return_in_memory_32, return_in_memory_64): Split out ...
4543 (ix86_return_in_memory): ... from here.
4544 (ix86_struct_value_rtx): Skip for 64-bit.
4545 (ix86_libcall_value, ix86_value_regno): Remove.
4546 (setup_incoming_varargs_64): Split out ...
4547 (ix86_setup_incoming_varargs): ... from here.
4548 (ix86_va_start): Remove TARGET_DEBUG_ARG.
4549 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
4550 * config/i386/i386-protos.h (ix86_function_value): Remove.
4551 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
4553 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4556 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
4557 infinities not supported, otherwise emit warning if -Woverflow. On
4558 underflow, emit warning if -Woverflow.
4559 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
4561 * real.h (real_from_string): Update declaration
4563 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
4564 Richard Henderson <rth@redhat.com>
4566 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
4567 * calls.c (compute_argument_block_size, expand_call,
4568 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
4569 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
4570 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
4571 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
4572 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
4573 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
4574 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
4575 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
4578 2007-03-22 Joseph Myers <joseph@codesourcery.com>
4580 * c-incpath.c (add_sysroot_to_chain): New.
4581 (merge_include_chains): Add sysroot argument. Call
4582 add_sysroot_to_chain if sysrooted.
4583 (register_include_chains): Update call to merge_include_chains.
4584 * doc/cppopts.texi: Document use of '=' in include directory
4587 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
4589 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
4590 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
4591 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
4592 insn pattern using X87MODEF12 mode macro.
4594 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
4596 * regmove.c (regmove_optimize): Use reg_mentioned_p
4597 instead of reg_overlap_mentioned_p for DST.
4599 2007-03-21 Mike Stump <mrs@apple.com>
4601 * c.opt: Fixup for Objective-C/C++.
4603 2007-03-21 Steve Ellcey <sje@cup.hp.com>
4605 * explow.c (convert_memory_address): Fold memory reference when
4606 POINTERS_EXTEND_UNSIGNED < 0
4608 2007-03-21 Richard Henderson <rth@redhat.com>
4611 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
4612 * config/i386/mmintrin.h (__m64): Likewise.
4613 * config/i386/xmmintrin.h (__m128): Likewise.
4615 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4617 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
4618 (VXWORKS_OS_CPP_BUILTINS): Define.
4619 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
4620 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
4622 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4624 * rtl.h (constant_pool_reference_p): Delete.
4625 (find_constant_src): Declare.
4626 * rtlanal.c (find_constant_src): New function.
4627 * simplify-rtx.c (constant_pool_reference_p): Delete.
4628 * config/i386/i386.md: Use find_constant_src instead of
4629 constant_pool_reference_p/avoid_constant_pool_reference pairs.
4631 2007-03-21 Richard Sandiford <richard@codesourcery.com>
4633 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
4634 * c-cppbuiltin.c (c_cpp_builtins): Define them.
4636 2007-03-20 Mark Mitchell <mark@codesourcery.com>
4638 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
4639 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
4640 (arm_elf_asm_constructor): Use it.
4641 (arm_elf_asm_destructor): New function.
4643 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
4645 * jump.c (mark_jump_label): Treat SEQUENCE specially.
4647 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
4649 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
4651 2007-03-19 Andrew Haley <aph@redhat.com>
4653 PR tree-optimization/31264
4654 * tree-vrp.c (register_edge_assert_for_1): Don't look though
4657 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
4659 PR rtl-optimization/30907
4660 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
4661 (fwprop_init): Always call loop_optimizer_initialize.
4662 (fwprop_done): Always call loop_optimizer_finalize.
4663 (fwprop): We always have loop info now.
4664 (gate_fwprop_addr): Remove.
4665 (pass_fwprop_addr): Use gate_fwprop as gate.
4667 PR rtl-optimization/30841
4668 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
4669 df_chain_alloc): Call df_reorganize_refs unconditionally.
4670 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
4671 refs_organized to refs_organized_size.
4672 (df_ref_create_structure): Use refs_organized_size instead of
4673 bitmap_size if refs had been organized, and keep refs_organized_size
4675 * df.h (struct df_ref_info): Change refs_organized to
4676 refs_organized_size.
4677 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
4680 2007-03-19 Mark Mitchell <mark@codesourcery.com>
4682 * except.c (output_function_exception_table): Do not reference the
4683 EH personality routine for functions that do not require an
4686 2007-03-20 Jakub Jelinek <jakub@redhat.com>
4689 * c-typeck.c (convert_for_assignment): Call comptypes for
4690 RECORD_TYPE or UNION_TYPE.
4693 * reload1.c (reload): Do invalid ASM checking after
4694 cleanup_subreg_operands.
4696 2007-03-19 Jeff Law <law@redhat.com>
4698 * tree-cfg.c (find_taken_edge): Tighten conditions for
4699 optimizing computed gotos.
4701 2007-03-19 Michael Matz <matz@suse.de>
4703 * builtins.c (expand_builtin_sync_operation,
4704 expand_builtin_compare_and_swap,
4705 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
4708 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
4709 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
4712 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4714 * doc/tm.texi: Add brackets around the return type of
4715 TARGET_SECONDARY_RELOAD.
4717 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
4718 Richard Guenther <rguenther@suse.de>
4720 PR tree-optimization/31254
4721 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
4722 Use handled_component_p () where appropriate. Continue
4723 propagating into the rhs if we propagated into an INDIRECT_REF
4726 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4728 * config/s390/s390.md (op_type attribute): RRR instruction type added.
4729 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
4730 (xde, xdee): Mode attributes adjusted to support DFP modes.
4731 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
4732 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
4733 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
4734 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
4735 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
4736 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4737 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
4739 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
4740 "movsf"): Insn definitions removed.
4741 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
4742 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
4743 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
4745 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
4746 "reload_in<mode>", "reload_out<mode>"): Expander added.
4747 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
4750 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4752 * config/s390/s390.md: Only non-functional changes. Renamed
4753 FPR mode macro to BFP all over the file.
4755 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4757 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
4758 (op_type attribute): RRF instruction type added.
4759 (fT0): New mode attribute.
4760 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
4761 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
4762 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new instruction
4763 no secondary memory is needed when moving DFmode values between GPRs
4766 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4768 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
4769 inverted and documentation adjusted.
4770 ("mhard-dfp", "msoft-dfp"): New options.
4771 * config/s390/s390.c (s390_handle_arch_option): New architecture
4773 (override_options): Sanity checks for the new options added.
4774 * config.gcc: New architecture switch: z9-ec.
4775 * config/s390/s390.h (processor_flags): PF_DFP added.
4776 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
4777 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
4778 when the bit is NOT set so remove it from the defaults.
4780 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
4782 * genemit.c (main): Print include statement for dfp.h.
4783 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
4786 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
4788 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
4790 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
4793 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
4796 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4798 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
4799 attr_length_call, output_call, output_indirect_call): Cleanup
4800 formatting of targetm calls.
4802 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
4804 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
4806 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4808 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
4809 reservation, bypass and anti-bypass descriptions for these instructions.
4810 Update move patterns.
4811 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
4814 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
4816 * tree-vect-transform.c (get_initial_def_for_induction): Replace
4817 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
4818 (get_initial_def_for_reduction): Likewise.
4820 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
4822 Fix PR tree-optimization/29922
4823 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
4824 (get_representative): Removed.
4825 (value_dies_in_block_x): Update for rvuse removal.
4826 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
4827 (compute_antic_aux): Handle when PHI nodes appear in
4828 non-single-successors.
4829 (dump_bitmap_of_names): Removed.
4830 (compute_antic_safe): Renamed and removed rvuse calculation.
4831 Calculate only antic safe.
4832 (insert_into_preds_of_block): Remove assert.
4833 (execute_pre): Update for renamed functions.
4834 (defer_or_phi_translate_block): New function.
4836 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
4838 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
4839 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
4841 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
4842 Follow spelling conventions.
4844 * tree-data-ref.h: Remove the prototype for analyze_array.
4846 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
4848 PR tree-optimization/31041
4849 * tree-vect-transform.c (get_initial_def_for_induction): Call
4850 force_gimple_operand.
4852 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
4854 * ipa-type-escape.c (look_for_casts) : Revert code to use
4855 handled_component_p due to ada test a-numaux.adb.
4857 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
4859 * final.c (final_scan_insn): Alter the condition of a
4860 conditional trap if we have nonstandard CC.
4862 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4864 * configure.ac: Remove excess quoting from asm line 0 test.
4865 * configure: Rebuilt.
4867 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4869 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
4870 * c-common.c (convert_and_check): Move warning logic to...
4871 (warnings_for_convert_and_check): ...here. Define.
4872 * c-common.h (warnings_for_convert_and_check): Declare.
4874 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4876 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
4877 (output_call): Likewise.
4879 2007-03-16 Richard Sandiford <richard@codesourcery.com>
4881 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
4883 2007-03-16 Richard Sandiford <richard@codesourcery.com>
4885 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
4887 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
4889 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
4890 opteron, athlon-64 and athlon-fx processor_alias_table entries.
4892 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
4894 PR tree-optimization/31183
4895 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
4896 Use double_int instead of unsigned int for representing access_strides.
4897 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
4899 2007-03-16 Richard Guenther <rguenther@suse.de>
4901 PR tree-optimization/31146
4902 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
4903 to allow recursion of forward_propagate_addr_expr.
4904 (forward_propagate_addr_into_variable_array_index): Likewise.
4905 (forward_propagate_addr_expr): Likewise.
4906 (tree_ssa_forward_propagate_single_use_vars): Likewise.
4907 (forward_propagate_addr_expr_1): Recurse on simple copies
4908 instead of propagating into them. Do so for useless conversions
4910 (forward_propagate_addr_expr): Clean up unused statements after
4913 2007-03-16 Richard Guenther <rguenther@suse.de>
4915 * builtins.c (expand_builtin_cexpi): Use the right argument
4916 for the expansion via cexp.
4918 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4920 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
4921 * configure: Rebuilt.
4923 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
4926 * dwarf2out.c (force_type_die): Adjust comment.
4927 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
4929 2007-03-15 DJ Delorie <dj@redhat.com>
4931 * config/frv/predicates.md (minmax_operator): Don't check operands
4934 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4936 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
4937 Update constant estimates of number of iterations.
4938 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
4939 argument renamed to "realistic".
4940 (compute_estimated_nb_iterations): Removed.
4941 (record_niter_bound): New function.
4942 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
4943 call record_nonwrapping_iv with upper = false.
4944 (infer_loop_bounds_from_signedness): Pass upper argument to
4945 record_nonwrapping_iv.
4946 (estimate_numbers_of_iterations_loop): Do not call
4947 compute_estimated_nb_iterations. Record estimate based on profile
4948 information. Initialize the constant estimates of number of
4950 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
4952 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
4953 number of iterations is too small.
4954 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
4955 (EST_NOT_AVAILABLE): Removed.
4956 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
4957 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
4960 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
4962 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
4963 Handle NE_EXPR guards.
4965 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4968 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
4969 Set also -pedantic-errors by default for the preprocessor unless
4970 -fpermissive is given.
4972 2007-03-15 Richard Guenther <rguenther@suse.de>
4976 * builtins.c (expand_builtin_cexpi): As a fallback if we
4977 don't have builtins for sincos or cexp create a function
4978 declaration for cexp and expand to a call to that.
4979 (expand_builtin_int_roundingfn): Always fall
4980 back to floor/ceil and its variants even if they may be
4983 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
4986 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
4987 jump tables, move the call to delete_dead_jumptables from here...
4988 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
4989 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
4990 don't allow merging of blocks that try_redirect_by_replacing_jump
4991 also does not handle when not optimizing.
4993 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
4994 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4996 * config/i386/i386.md (x86_sahf_1): Correctly handle
4999 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
5002 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
5003 x86_64_general_operand as operand[2] predicate. Remove "iF"
5004 from operand constraints and use "e" constraint instead.
5005 (*subti3_1, *subti3_1 splitter): Ditto.
5006 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
5007 operand[1] predicate.
5009 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
5011 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
5012 arrays, multiply the access strides by the size of the sub-array.
5013 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
5015 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
5017 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
5018 the configured assembler supports the sahf mnemonic.
5019 * configure: Regenerate.
5020 * config.in: Regenerate.
5022 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
5023 emit "sahf" or ".byte\t0x9e" as asm template.
5025 2007-03-14 Michael Meissner <michael.meissner@amd.com>
5028 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
5029 option to replace hard coded TARGET_xxx in md file.
5030 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
5031 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
5032 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
5033 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
5034 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
5035 (X86_TUNE_NOT_VECTORMODE): Ditto.
5036 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
5037 (TUNE_AVOID_VECTOR_DECODE): Ditto.
5038 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
5039 (TUNE_SLOW_IMUL_IMM8): Ditto.
5040 (TUNE_MOVE_M1_VIA_OR): Ditto.
5041 (TUNE_NOT_UNPAIRABLE): Ditto.
5042 (TUNE_NOT_VECTORMODE): Ditto.
5044 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
5047 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
5048 tuning options instead of hard coded TARGET_xxx.
5049 (fix ssemode peephole2's): Ditto.
5050 (imul peephole2's): Ditto.
5052 (movdi_or_rex64): Ditto.
5053 (move peephole2): Ditto.
5054 (not peephole2's): Ditto.
5056 2007-03-14 Dirk Mueller <dmueller@suse.de>
5058 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
5059 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
5060 * c-parser.c (c_parser_if_body): Always add an empty statement in case
5062 * c-parser.c (c_parser_do_statement): Warn about empty body in
5064 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
5065 * doc/invoke.texi (-Wempty-body): Update documentation.
5067 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
5070 * c-common.h (warn_for_div_by_zero): Declare.
5071 * c-common.c (warn_for_div_by_zero): Define.
5072 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
5075 2007-03-14 Richard Sandiford <richard@codesourcery.com>
5077 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
5078 to PREFIX and STANDARD_PREFIX.
5080 2007-03-14 Richard Sandiford <richard@codesourcery.com>
5081 Phil Edwards <phil@codesourcery.com>
5083 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
5084 (__gthread_once_t): Remove busy field for RTPs.
5085 (__GTHREAD_ONCE_INIT): Update accordingly.
5087 2007-03-14 Richard Sandiford <richard@codesourcery.com>
5089 * doc/invoke.texi: Document VxWorks options.
5091 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
5093 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
5095 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
5097 PR tree-optimization/30590
5098 * tree-nrv.c (tree_nrv): Check for the partial update of the
5101 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
5103 * flags.h (flag_random_seed): Remove declaration, in favor of...
5104 * toplev.h (get_random_seed, set_random_seed): ... these.
5105 * tree.c (get_file_function_name): Use the former.
5106 * opts.c (common_handle_option): Use the latter.
5109 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
5112 * cse.c (cse_find_path): Do not bail out if a basic block that
5113 we already visited now becomes part of a path that starts at a
5114 different basic block. Just disallow this, to make sure we
5115 visit each basic block at most once.
5117 2007-03-13 Jan Hubicka <jh@suse.cz>
5119 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold attributes,
5120 when profile esitmate is present, calls with very low frequency are
5123 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
5125 PR tree-optimization/30730
5126 PR tree-optimization/26900
5127 * tree-ssa-loop-niter.c: Include gmp.h.
5129 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
5130 split_to_var_and_offset, determine_value_range,
5131 bound_difference_of_offsetted_base, refine_bounds_using_guard,
5132 bound_difference, bounds_add, bounds_negate,
5133 number_of_iterations_ne_max, dump_affine_iv): New functions.
5134 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
5135 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
5136 difference of initial and final value of control iv to validate
5138 (number_of_iterations_cond): Add loop parameter. Determine bounds
5139 on the difference of the extremes of the control iv. Add dumps.
5140 (expand_simple_operations): Handle phi nodes.
5141 (simplify_using_initial_conditions): Do not record used conditions.
5142 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
5143 Do not set additional_info.
5144 (implies_nonnegative_p, implies_ge_p): Removed.
5145 (derive_constant_upper_bound): Do not use parameter `additional'.
5146 (record_estimate): Parameter `additional' removed. Parameter
5147 `i_bound' added. Do not call derive_constant_upper_bound.
5148 (record_nonwrapping_iv): Use derive_constant_upper_bound to
5149 bound the number of iterations estimate.
5150 (estimate_numbers_of_iterations_loop): Pass the estimate from
5151 the number of iterations analysis to record_estimate.
5152 * tree.h (multiple_of_p): Declare.
5153 * tree-scalar-evolution.c (expression_expensive_p): Removed.
5154 (scev_const_prop): Do not check expression_expensive_p.
5155 * fold-const.c (multiple_of_p): Exported.
5156 * double-int.c (double_int_mask): Exported.
5157 * double-int.h (double_int_mask): Declare.
5158 * tree-flow.h (struct tree_niter_desc): Removed additional_info
5159 field. Added max field.
5161 2007-03-13 David Taylor <taylor@candd.org>
5164 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
5167 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5170 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
5171 two unamed patterns.
5173 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
5175 * config/i386/i386.opt (mcx16, msahf): New options.
5176 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
5177 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
5179 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
5180 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
5181 Output -mcx16 and -msahf options when corresponding bit is set.
5183 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
5186 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
5188 * configure.ac: Test for assembler tolerance to # 0 "".
5189 * configure, config.in: Rebuilt.
5190 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
5192 2007-03-13 Geoffrey Keating <geoffk@apple.com>
5194 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
5196 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
5197 (handle_syscall): Handle direct system calls.
5198 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
5200 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
5202 * doc/invoke.texi: Fix cpp.info cross-reference.
5203 * doc/passes.texi: Fix gcc.info cross-reference.
5205 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
5207 PR tree-optimization/30835
5208 * lambda-code.c (can_convert_to_perfect_nest): Check whether
5209 bb_for_stmt is not NULL before accessing it.
5211 2007-03-12 Joseph Myers <joseph@codesourcery.com>
5213 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
5216 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
5219 * doc/install.texi: Document --enable-stage1-languages
5221 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
5223 * tree-pass.h (pass_into_cfg_layout_mode,
5224 pass_outof_cfg_layout_mode): Declare.
5225 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
5226 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
5227 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
5228 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
5230 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
5232 * c-decl.c (warn_variable_length_array): New function.
5233 Refactored from grokdeclarator to handle warn_vla
5234 and handle unnamed array case.
5235 (grokdeclarator): Refactored VLA warning case.
5236 * c.opt (Wvla): New flag.
5237 * doc/invoke.texi (Wvla): New warning.
5239 2007-03-12 Richard Henderson <rth@redhat.com>
5241 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
5242 (TARGET_SECTION_TYPE_FLAGS): New.
5244 2007-03-12 Richard Henderson <rth@redhat.com>
5246 * config/darwin.c (machopic_reloc_rw_mask): New.
5247 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
5248 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
5250 2007-03-12 Mark Mitchell <mark@codesourcery.com>
5252 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
5253 * cppdefault.h (cpp_PREFIX): Document.
5254 (cpp_PREFIX_len): Likewise.
5255 (cpp_EXEC_PREFIX): New variable.
5256 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
5257 * c-incpath.c (add_standard_paths): Correct logic for relocating
5258 paths within prefix.
5260 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
5262 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
5263 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
5265 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
5266 fix_truncdfdi_sse using SSEMODEF mode macro.
5267 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
5268 fix_truncdfsi_sse using SSEMODEF mode macro.
5269 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
5270 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
5272 2007-03-12 Richard Sandiford <richard@codesourcery.com>
5274 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
5277 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
5279 * tree.h : Add multiple_of_p declaration.
5280 * fold-const.c (multiple_of_p): Make multiple_of_p public.
5281 * ipa-type-escape.c (results_of_malloc): Redundant.
5282 (visited_stmts): New. Visited stmt for walk_use_def_chains.
5283 (cast_type): Extended with new members.
5284 (check_cast): Returns cast_type.
5285 (cast): New structure for data of walk_use_def_chains.
5286 (is_malloc_result, is_cast_from_non_pointer_1,
5287 is_cast_from_non_pointer,
5288 is_array_access_through_pointer_and_index): New functions.
5289 (look_for_casts): Returns cast types.
5290 (check_call): Returns void.
5291 (okay_pointer_operation): Use support of pointer plus index,
5292 pointer plus constant and allow all multiplications.
5294 2007-03-11 Richard Guenther <rguenther@suse.de>
5296 PR tree-optimization/31115
5297 * tree-vrp.c (extract_range_from_binary_expr): Make sure
5298 the shift count is positive and non-anti-range for RSHIFT_EXPR.
5299 A shift count of zero is not special as with *_DIV_EXPR.
5300 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
5303 2007-03-11 Ian Lance Taylor <iant@google.com>
5305 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
5306 the *_DIV_EXPR codes correctly with overflow infinities.
5308 2007-03-11 Ira Rosen <irar@il.ibm.com>
5310 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
5311 indicate success/failure of the analysis. Add negation to subtrahend
5312 in case of subtraction. Fail if both operands contain constants.
5313 (create_data_ref): Fail if analyze_offset fails.
5315 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
5317 * config/i386/i386.md (frndintxf2): Rename to ...
5318 (rintxf2): ... this. Remove expander having same name.
5319 (rintsf2, rintdf2): Implement using SSEMODEF macro.
5320 (roundsf2, rounddf2): Ditto.
5321 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
5322 (lround<mode>di2, lround<mode>si2): Ditto.
5324 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
5326 * lower-subreg.c: Include except.h.
5327 (decompose_multiword_subregs): Verify that the only control flow
5328 insns we can split are loads to multi-words pseudos.
5329 Handle breaking such blocks after splitting, instead of calling
5330 find_many_sub_basic_blocks.
5332 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
5333 on the new basic block. Add a lengthy comment explaining why we
5334 thought this was necessary.
5335 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
5337 2007-03-10 Mark Mitchell <mark@codesourcery.com>
5340 * tree.c (walk_type_fields): Recurse into the element type of
5341 ARRAY_TYPEs if there is a pointer set.
5343 2007-03-10 Dirk Mueller <dmueller@suse.de>
5345 * c-common.c (warn_logical_operator): Fix condition.
5347 2007-03-10 Tobias Schlüter <tobi@gcc.gnu.org>
5349 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
5351 * config/darwin.c (machopic_select_section): Remove superfluous
5352 argument in call to categorize_decl_for_section. Remove unused
5355 2007-03-10 Joseph Myers <joseph@codesourcery.com>
5357 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
5359 * configure: Regenerate.
5361 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
5364 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
5365 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
5366 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
5367 Add LABEL_NUSES to emitted label.
5368 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
5369 branch probability value to emitted jump insn.
5370 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
5371 Do not check life information and do not re-arrange input operands
5372 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
5374 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
5376 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
5377 the change of decode_asm_operands.
5379 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
5381 * mode-switching.c (create_pre_exit): Skip blockage insn.
5383 2007-03-09 Diego Novillo <dnovillo@redhat.com>
5385 * tree-pass.h (TODO_update_smt_usage): Remove.
5387 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
5391 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5393 * pa.c (attr_length_call): Revise condition for long pc-relative branch.
5394 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long local
5395 calls on the SOM target. Don't use "LONG_PIC_PCREL" call sequence on
5398 2007-03-09 Geoffrey Keating <geoffk@apple.com>
5400 * gcc.c: Document %{, in big comment at top.
5401 (input_suffix_matches): Remove special handling for .s and
5403 (input_spec_matches): New.
5404 (handle_braces): Handle %{,.
5405 (validate_switches): ',' indicates a value which is not a switch.
5406 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
5407 to detect assembler input.
5408 * config/i386/sol2.h (CPP_SPEC): Likewise.
5409 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
5410 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
5411 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
5412 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
5413 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
5414 -m64 causes deployment target to default to 10.5.
5415 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
5417 2007-03-09 Richard Henderson <rth@redhat.com>
5420 * target.h (targetm.asm.out.reloc_rw_mask): New.
5421 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
5422 (TARGET_ASM_OUT): Use it.
5423 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
5424 * varasm.c (categorize_decl_for_section): Remove shlib argument;
5425 use the new reloc_rw_mask target hook instead.
5426 (default_section_type_flags_1): Merge into...
5427 (default_section_type_flags): ... here.
5428 (decl_readonly_section_1): Merge into...
5429 (decl_readonly_section): ... here.
5430 (default_elf_select_section_1): Merge into...
5431 (default_elf_select_section): ... here.
5432 (default_unique_section_1): Merge into...
5433 (default_unique_section): ... here.
5434 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
5435 (default_select_rtx_section): Use it.
5436 (default_elf_select_rtx_section): Likewise.
5437 * output.h: Update to match.
5438 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
5439 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
5440 (TARGET_ASM_RELOC_RW_MASK): New.
5441 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
5442 to categorize_decl_for_section.
5443 (x86_64_elf_unique_section): Likewise.
5444 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
5445 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
5446 (TARGET_ASM_RELOC_RW_MASK): New.
5447 * config/ia64/ia64.c (ia64_rwreloc_select_section,
5448 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
5449 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
5450 (TARGET_RWRELOC): Remove.
5451 (ia64_section_type_flags): Adjust call to default_section_type_flags.
5452 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5453 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
5454 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
5455 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
5456 (rs6000_xcoff_select_section): Use decl_readonly_section.
5457 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
5458 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
5459 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
5460 (TARGET_SECTION_TYPE_FLAGS): Remove.
5461 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
5463 2007-03-09 Roger Sayle <roger@eyesopen.com>
5465 * fold-const.c (fold_comparison): Remove compile-time evaluation of
5466 complex constant equality/inequality comparisons for here.
5467 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
5468 known at compile-time or can be simplified to a scalar comparison.
5469 (fold_relational_const): Move compile-time evaluation of complex
5470 constant equality/inequality comparisons to here.
5472 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5474 PR rtl-optimization/30643
5475 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
5477 (fold_rtx): Recurse, like before 2006-11-03.
5479 2007-03-09 DJ Delorie <dj@redhat.com>
5481 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
5484 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
5486 PR tree-optimization/30375
5487 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
5488 LHS of statements is not the same.
5489 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
5491 2007-03-09 Chao-ying Fu <fu@mips.com>
5493 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
5495 * doc/invoke.texi (-mdspr2): Document new option.
5496 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
5497 New unspec for DSP REV 2.
5498 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
5499 these instructions are extended in DSP REV 2.
5500 (mips-dspr2.md): Include.
5501 * config/mips/mips.opt (mdspr2): New option.
5502 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
5503 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
5504 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
5505 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
5506 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
5507 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
5508 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
5510 (bdesc_map): Add one field of unsupported_target_flags.
5511 (bdesc_arrays): Update entries to have extra fields. Add
5513 (mips_init_builtins): Initialize new function types.
5514 Check unsupported_target_fileds to filter out builtins.
5515 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
5517 (ASM_SPEC): Pass mdspr2 to the assembler.
5518 * config/mips/mips-dspr2.md: New file.
5520 2007-03-09 Sa Liu <saliu@de.ibm.com>
5522 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
5524 2007-03-09 Ian Lance Taylor <iant@google.com>
5526 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
5527 argument) like -Wstrict-overflow=2.
5528 * doc/invoke.texi (Warning Options): Update documentation.
5530 2007-03-09 Dirk Mueller <dmueller@suse.de>
5533 * doc/invoke.texi (-Wlogical-op): Document.
5534 * common.opt (-Wlogical-op): New.
5535 * c-common.h (warn_logical_operator): Declare.
5536 * c-common.c (warn_logical_operator): Define.
5537 * c-typeck.c (parser_build_binary_op): Call
5538 warn_logical_operator.
5540 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5542 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
5543 * final.c (final_scan_insn): Test for non-"" file name.
5545 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
5547 * doc/loop.texi: Document the Omega linear constraints solver.
5548 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
5549 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
5550 omega-hash-table-size, omega-max-keys, and
5551 omega-eliminate-redundant-constraints.
5552 * tree-pass.h (pass_check_data_deps): Declared.
5555 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
5556 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
5557 pass_check_data_deps): New.
5558 * tree-data-ref.c (init_data_ref): Remove declaration.
5559 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
5560 (analyze_array): Renamed init_array_ref, move up initializations.
5561 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
5562 Removed arguments that are set to NULL.
5563 (analyze_indirect_ref): Correct indentation, correct call to
5565 (object_analysis): Call init_array_ref instead of analyze_array.
5566 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
5567 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
5568 of DR_ACCESS_FNS_ADDR.
5569 (init_omega_eq_with_af, omega_extract_distance_vectors,
5570 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
5571 ddr_consistent_p): New.
5572 (compute_affine_dependence): Check consistency of ddrs when
5573 flag_check_data_deps is passed.
5574 (analyze_all_data_dependences): Uncomment.
5575 (tree_check_data_deps): New.
5576 * tree-data-ref.h: Include omega.h.
5577 (DR_ACCESS_FNS_ADDR): Removed.
5578 (data_dependence_relation): Add inner_loop.
5579 (DDR_INNER_LOOP): New.
5580 * common.opt (fcheck-data-deps): New.
5581 * tree-flow.h (tree_check_data_deps): Declare.
5582 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
5583 (OBJS-common): Depend on omega.o.
5585 * passes.c (pass_check_data_deps): Scheduled.
5586 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
5587 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
5588 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
5589 PARAM_VECT_MAX_VERSION_CHECKS,
5590 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
5592 2007-03-09 Richard Guenther <rguenther@suse.de>
5594 PR tree-optimization/30904
5596 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
5597 the same way as *_DIV_EXPR.
5599 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5601 * recog.c (decode_asm_operands): No mixed declarations and code.
5603 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
5605 * rtl.def (ASM_INPUT): Add location.
5606 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
5607 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
5608 (decode_asm_operands): Add loc operand.
5609 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
5610 * stmt.c (expand_asm): Rename to...
5611 (expand_asm_loc): ... this. Add locus argument. Pass it on to
5612 gen_rtx_ASM_INPUT_loc.
5613 (expand_asm_expr): Adjust.
5614 * recog.c (decode_asm_operands): Add loc operand.
5615 (check_asm_operands, extract_insn): Adjust.
5616 * reload1.c (maybe_fix_stack_asms): Likewise.
5617 * final.c (asm_insn_count): Likewise.
5618 (final_scan_insn): Output # line before and after asm.
5620 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
5622 * tree-ssa-structalias.c (variable_info): Remove
5624 (new_var_info): Ditto.
5625 (shared_bitmap_info_t): New structure.
5626 (shared_bitmap_table): New variable.
5627 (shared_bitmap_hash): New function.
5628 (shared_bitmap_eq): Ditto
5629 (shared_bitmap_lookup): Ditto.
5630 (shared_bitmap_add): Ditto.
5631 (merge_smts_into): Change to take bitmap directly.
5632 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
5633 (init_alias_vars): Init shared bitmap hashtable.
5634 (delete_points_to_sets): Delete shared bitmap hashtable.
5635 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
5636 is_aliased removal as a change that was still necessary was
5639 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
5641 * config/i386/i386.h (override_options): Conditionally disable
5642 x86_sahf for 64bit targets only.
5644 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
5647 * c-decl.c (merge_decls): Don't call make_var_volatile.
5648 * varasm.c (make_var_volatile): Remove.
5649 * output.h (make_var_volatile): Remove.
5651 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
5653 PR tree-optimization/31085
5654 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
5656 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5658 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
5659 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
5660 ATTR_CONST_NOTHROW_LIST.
5662 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
5665 2007-03-08 Diego Novillo <dnovillo@redhat.com>
5667 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
5669 2007-03-08 Geoffrey Keating <geoffk@apple.com>
5672 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
5674 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
5675 passed, use shared libgcc.
5677 2007-03-08 Roger Sayle <roger@eyesopen.com>
5679 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
5680 instead of calling build2 with a GIMPLE_MODIFY_STMT.
5681 (honor_protect_cleanup_actions, lower_try_finally_switch):
5683 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
5684 ifc_temp_var): Likewise.
5685 * tree-inline.c (setup_one_parameter): Likewise.
5686 * tree-mudflap.c (mf_decl_cache_locals,
5687 mf_build_check_statement_for): Likewise.
5688 * tree-nested.c (init_tmp_var, save_tmp_var,
5689 finalize_nesting_tree_1): Likewise.
5690 * tree-outof-ssa.c (insert_copy_on_edge,
5691 insert_backedge_copies): Likewise.
5692 * tree-profile.c (tree_gen_edge_profiler,
5693 tree_gen_ic_profiler): Likewise.
5694 * tree-scalar-evolution.c (scev_const_prop): Likewise.
5695 * tree-sra.c (sra_build_assignment): Likewise.
5696 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
5697 * tree-ssa-math-opts.c (insert_reciprocals,
5698 execute_cse_sincos_1): Likewise.
5699 * tree-tailcall.c (adjust_accumulator_values,
5700 adjust_return_value): Likewise.
5701 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
5702 * tree-vect-transform.c (vect_create_data_ref_ptr,
5703 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
5704 vect_create_epilog_for_reduction, vectorizable_reduction,
5705 vectorizable_call, vectorizable_conversion,
5706 vectorizable_assignment, vectorizable_operation,
5707 vectorizable_type_demotion, vect_gen_widened_results_half,
5708 vect_permute_store_chain, vectorizable_store,
5709 vect_setup_realignment, vect_permute_load_chain,
5710 vectorizable_load, vectorizable_condition,
5711 vect_create_cond_for_align_checks): Likewise.
5712 * tree-vrp.c (build_assert_expr_for): Likewise.
5714 2007-03-08 Ian Lance Taylor <iant@google.com>
5716 * tree-vrp.c: Include "intl.h".
5717 (usable_range_p): New static function.
5718 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
5719 overflowed values, juts set *strict_overflow_p.
5720 (compare_values): Only return -2 if one of the operands is not a
5722 (compare_ranges): Call usable_range_p.
5723 (compare_range_with_value): Likewise.
5724 (vrp_evaluate_conditional_warnv): Rename from
5725 vrp_evaluate_conditional. Make static. Change all callers.
5726 (vrp_evaluate_conditional): New function.
5727 (simplify_div_or_mod_using_ranges): Issue warning about reliance
5729 (simplify_abs_using_ranges): Likewise.
5730 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
5731 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
5732 within_stmt parameter.
5733 * tree-ssa-propagate.c (fold_predicate_in): Update call to
5734 vrp_evaluate_conditional.
5735 * tree-ssa-threadedge.c
5736 (record_temporary_equivalences_from_stmts_at_dest): Change
5737 simplify parameter to take a second tree parameter.
5738 (simplify_control_stmt_condition): Likewise.
5739 (thread_across_edge): Likewise.
5740 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
5741 (thread_across_edge): Likewise.
5742 * Makefile.in (tree-vrp.o): Depend upon intl.h.
5744 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
5746 * config/i386/i386.h (TARGET_SAHF): New define.
5747 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
5748 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
5749 (x86_sahf): New global variable.
5750 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
5751 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
5752 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
5753 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
5755 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
5756 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
5757 when expanding fcomi/sahf based tests.
5758 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
5759 expanding sahf based alternative. Emit sahf based sequence when
5760 optimizing for code size.
5761 * config/i386/i386.md (x86_sahf_1): Do not disable for
5762 TARGET_64BIT, enable for TARGET_SAHF.
5764 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
5766 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
5767 spurious whitespace from error message.
5769 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
5772 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
5774 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
5776 * c-decl.c (grokdeclarator): Disable warnings for anonymous
5778 * tree-sra.c (instantiate_element): Propagate disabled warnings
5779 from the element itself to the created variable.
5781 2007-03-07 Richard Henderson <rth@redhat.com>
5784 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
5785 silently fix up the stack in the case of a missing register.
5787 2007-03-07 Paul Brook <paul@codesourcery.com>
5789 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
5791 2007-03-07 Joseph Myers <joseph@codesourcery.com>
5793 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
5795 (phase1_vrs): Use them.
5796 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
5797 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
5798 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
5799 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
5800 __gnu_Unwind_Restore_WMMXC if required.
5801 (_Unwind_VRS_Pop): Implement iWMMXt support.
5802 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
5803 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
5804 gnu_Unwind_Save_WMMXC): Define.
5806 2007-03-07 Richard Sandiford <richard@codesourcery.com>
5808 * config/vxworks.h (vxworks_override_options): Declare.
5809 (VXWORKS_OVERRIDE_OPTIONS): Use it.
5810 * config/vxworks.c: Include target.h and toplev.h.
5811 (vxworks_override_options): New function.
5812 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
5814 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
5816 * config/s390/s390.c (override_options): Don't emit an error when
5817 -mstack-size is used without providing -mstack-guard.
5818 (s390_emit_prologue): Choose stack_guard value automatically if not
5819 provided via command line.
5820 * doc/invoke.texi: Adjust description of -mstack-guard and -mstack-size.
5822 2007-03-07 Richard Sandiford <richard@codesourcery.com>
5824 * config/i386/i386.c (output_set_got): Add a GOT initialization
5825 sequence for VxWorks PIC.
5826 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
5827 around labels as well as symbols. Use gotoff_operand instead
5828 of local_symbolic_operand.
5829 (legitimize_pic_address): Use gotoff_operand instead of
5830 local_symbolic_operand. Use @GOT accesses for labels as
5832 (ix86_output_addr_diff_elt): Use PC-relative rather than
5833 GP-relative offsets for VxWorks PIC.
5834 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
5835 no_new_pseudos. Check whether the returned register is op0.
5836 * config/i386/i386.md (tablejump): Use PC-relative rather than
5837 GP-relative offsets for VxWorks PIC.
5838 * config/i386/predicates.md (gotoff_operand): New predicate.
5840 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5842 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
5844 * config/vxworks-dummy.h: New file.
5845 * config/i386/i386.h: Include it.
5847 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
5849 * dwarf2out.c (is_inlined_entry_point): New
5850 (add_high_low_attributes): Emit DW_AT_entry_pc along with
5851 DW_AT_ranges if the first subblock is the entry point.
5853 2007-03-06 David Daney <ddaney@avtrex.com>
5855 * doc/install.texi (mips-*-*): Change recommended binutils
5858 2007-03-06 Anatoly Sokolov <aesok@post.ru>
5860 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
5861 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
5863 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5864 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5866 2007-03-06 Jan Hubicka <jh@suse.cz>
5868 * errors.h (warning, error, fatal, internal_error): Mark as cold.
5869 * predict.c (maybe_hot_bb): Cold functions are never hot; hot functions
5871 (probably_cold_bb_p): Cold functions are cold.
5872 (probably_never_executed_bb_p): Cold functions are cold.
5873 (tree_bb_level_predictions): Predict calls to cold functions as not
5875 (compute_function_frequency): Check hot/cold attributes.
5876 * function.h (function_frequency): Update comments.
5877 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
5878 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
5879 (c_common_att): Add cold and hot.
5881 * doc/extend.texi (hot,cold attributes): Document.
5883 2007-03-06 Andrew Haley <aph@redhat.com>
5885 * function.c (expand_function_end): Move blockage to just after we
5886 emit the label for the naked return from the function.
5888 2007-03-06 Richard Sandiford <richard@codesourcery.com>
5890 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
5893 2007-03-06 Jan Hubicka <jh@suse.cz>
5895 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
5896 loaded for constant large models. Non-large 64bit PIC can do.
5897 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
5898 * cmodel.h: Add LARGE PIC.
5899 * i386.md (UNSPEC_PLTOFF): New.
5900 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other unspecs as
5902 (*call_1_rex64): Disable for large models.
5903 (*call_1_rex64_large): New.
5904 (*call_value_1_rex64): Disable for large models.
5905 (*call_value_1_rex64_large): New.
5906 (set_rip_rex4): New.
5907 (set_got_offset_rex64): New.
5908 * predicates.md (constant_call_address_operand): For large model
5909 constant calls are not possible.
5910 * i386-protos.h (construct_plt_address): Declare.
5911 * i386.c (override_options): Accept large models.
5912 (ix86_expand_prologue): Expand large PIC GOT pointer load.
5913 (legitimate_constant_p): Add new UNSPECs.
5914 (legitimate_pic_operand_p): Likewise.
5915 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
5916 (legitimize_pic_address): Do easy RIP relative way for TLS only for
5918 (output_pic_addr_const): Add PLTOFF.
5919 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
5920 (ix86_expand_move): Legitimize pic address when in PIC mode.
5921 (construct_plt_address): New function.
5922 (ix86_expand_call): Offload the address to register and use GOT pointer
5924 * invoke.texi (mcmodel=large): Update documentation.
5926 2007-03-06 Richard Henderson <rth@redhat.com>
5928 * config/i386/i386.c (x86_use_leave, x86_push_memory,
5929 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
5930 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
5931 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
5932 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
5933 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
5934 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
5935 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
5936 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
5937 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
5938 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5939 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
5940 x86_sse_partial_reg_dependency, x86_sse_split_regs,
5941 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5942 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
5943 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
5944 x86_schedule, x86_use_bt, x86_pad_returns,
5945 x86_use_xchgb): Merge into ...
5946 (ix86_tune_features): ... here. New array.
5947 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5948 x86_bswap): Merge into ...
5949 (ix86_arch_features): ... here. New array.
5950 (x86_3dnow_a): Remove.
5951 (x86_accumulate_outgoing_args): Make static.
5952 (x86_arch_always_fancy_math_387): Make static.
5953 (ix86_tune_mask, ix86_arch_mask): Move ...
5954 (override_options): ... to local variables here. Apply the
5955 appropriate mask to each element of ix86_arch_features and
5956 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
5957 as were done in the old macros.
5958 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
5959 * config/i386/i386.h (x86_use_leave, x86_push_memory,
5960 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
5961 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
5962 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
5963 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
5964 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
5965 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
5966 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
5967 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
5968 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
5969 x86_partial_reg_dependency, x86_memory_mismatch_stall,
5970 x86_accumulate_outgoing_args, x86_prologue_using_move,
5971 x86_epilogue_using_move, x86_decompose_lea,
5972 x86_arch_always_fancy_math_387, x86_shift1,
5973 x86_sse_partial_reg_dependency, x86_sse_split_regs,
5974 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
5975 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
5976 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
5977 x86_use_incdec, x86_pad_returns, x86_bswap,
5978 x86_partial_flag_reg_stall): Remove.
5979 (enum ix86_tune_indices): New.
5980 (ix86_tune_features): New.
5981 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
5982 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
5983 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
5984 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
5985 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
5986 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
5987 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
5988 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
5989 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
5990 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
5991 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
5992 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
5993 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
5994 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
5995 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
5996 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
5997 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
5998 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
5999 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
6000 TARGET_EXT_80387_CONSTANTS): Use it.
6001 (enum ix86_arch_indices): New.
6002 (ix86_arch_features): New.
6003 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
6004 TARGET_BSWAP): Use it.
6005 (ix86_tune_mask, ix86_arch_mask): Remove.
6007 2007-03-06 Joseph Myers <joseph@codesourcery.com>
6010 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
6011 Define using $${sysroot_headers_suffix}.
6012 * configure: Regenerate.
6013 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
6014 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
6016 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
6017 * gcc.c (print_sysroot_headers_suffix): New.
6018 (option_map): Include --print-sysroot-headers-suffix.
6019 (display_help): Mention -print-sysroot-headers-suffix.
6020 (process_command): Handle -print-sysroot-headers-suffix.
6021 (do_spec_1): Append multilib directory to include-fixed path if
6022 sysroot suffixes in use.
6023 (main): Handle -print-sysroot-headers-suffix.
6024 * Makefile.in (start.encap): Don't depend on xlimits.h
6025 (xlimits.h): Remove.
6026 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
6027 limits.h for each multilib in fixinc_list.
6028 (fixinc_list, s-fixinc_list): New.
6029 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
6030 generate them for each multilib in fixinc_list.
6031 (stmp-fixproto): Use include-fixed. Run fixproto for each
6032 multilib in fixinc_list.
6033 (mostlyclean): Don't remove xlimits.h.
6034 (clean): Remove include-fixed.
6035 (real-install-headers-tar, real-install-headers-cpio,
6036 real-install-headers-cp): Don't copy include, only include-fixed.
6037 (install-mkheaders): Depend on fixinc_list. Don't depend on
6038 xlimits.h. Save limits.h files for each multilib in fixinc_list.
6039 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
6040 SYSTEM_HEADER_DIR setting in mkheaders.conf.
6042 2007-03-06 Jan Hubicka <jh@suse.cz>
6044 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
6047 2007-03-06 Richard Sandiford <richard@codesourcery.com>
6049 * configure.ac: Allow tm_file to contain build-directory files.
6050 * configure: Regenerate.
6051 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
6052 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
6053 * config/m68k/print-sysroot-suffix.sh: New file.
6055 2007-03-06 Richard Sandiford <richard@codesourcery.com>
6057 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
6058 of pic_offset_table_rtx if reload_completed.
6059 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
6060 PIC_OFFSET_TABLE_REGNUM.
6061 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
6063 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
6064 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
6066 2007-03-06 Richard Sandiford <richard@codesourcery.com>
6068 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
6069 functions that call eh_return.
6071 2007-03-06 Richard Sandiford <richard@codesourcery.com>
6073 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
6074 functions that need a constant pool.
6076 2007-03-06 Richard Sandiford <richard@codesourcery.com>
6079 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
6080 (m68k_preferred_reload_class): Likewise.
6081 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
6082 (SECONDARY_RELOAD_CLASS): Define.
6083 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
6084 (LIMIT_RELOAD_CLASS): Delete.
6085 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
6086 registers from storing bytes.
6087 (m68k_secondary_reload_class): New function.
6088 (m68k_preferred_reload_class): Likewise.
6090 2007-03-06 Richard Sandiford <richard@codesourcery.com>
6092 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
6094 (m68k_expand_prologue): Likewise.
6096 2007-03-06 Richard Sandiford <richard@codesourcery.com>
6098 * config/m68k/m68k-protos.h (output_sibcall): Declare.
6099 (mips_expand_epilogue): Add a bool parameter.
6100 (m68k_legitimize_sibcall_address): Declare.
6101 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
6102 (m68k_expand_epilogue): Add a parameter to select between sibling
6103 and normal epilogues. Only generate a return for the latter.
6104 (m68k_ok_for_sibcall_p): New function.
6105 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
6106 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
6107 (sibcall_value, *sibcall_value): Likewise.
6108 (*call, *call_value): Require !SIBLING_CALL_P.
6109 (epilogue): Update call to m68k_expand_epilogue.
6110 (sibcall_epilogue): New pattern.
6111 * config/m68k/predicates.md (const_call_operand): Say that this
6112 predicate applies to sibling calls too.
6113 (sibcall_operand): New predicate.
6115 2007-03-06 Richard Sandiford <richard@codesourcery.com>
6117 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
6118 alternatives as movsi_cf.
6119 (movsf_cf_hard): Add commentary.
6121 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
6122 Richard Sandiford <richard@codesourcery.com>
6124 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
6125 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
6126 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
6127 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
6128 as being live on exit from an interrupt function.
6129 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
6130 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
6131 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
6132 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
6133 (m68k_interrupt_function_p): Globalize.
6134 (m68k_compute_frame_layout): Remove reverse mask code.
6135 (m68k_emit_movem, m68k_set_frame_related): New functions.
6136 (m68k_output_function_prologue): Delete in favor of...
6137 (m68k_expand_prologue): ...this new function.
6138 (m68k_output_function_epilogue): Delete in favor of...
6139 (m68k_expand_epilogue): ...this new function.
6140 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
6142 (print_operand): Handle %?.
6143 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
6144 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
6145 (prologue, epilogue): New patterns.
6146 (return): Turn into a define_expand.
6147 (*return): New pattern, derived from old "return" pattern. Use rte
6148 rather than rts for interrupt functions. Only use rtd if the pop
6150 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
6151 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
6152 (link, *link, unlink, *unlink, load_got): Likewise.
6154 2007-03-06 Richard Sandiford <richard@codesourcery.com>
6158 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
6159 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
6160 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
6161 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
6162 and m68k_matches_u_p.
6163 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
6164 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
6165 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
6166 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
6167 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
6168 (REG_STRICT_P): New macro.
6169 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
6170 PCREL_GENERAL_OPERAND_OK.
6171 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
6172 m68k_legitimate_base_reg_p.
6173 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
6174 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
6175 (PIC_CASE_VECTOR_ADDRESS): Update comment.
6176 * config/m68k/m68k.c (m68k_address): New structure.
6177 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
6178 (m68k_decompose_index, m68k_legitimate_constant_address_p)
6179 (m68k_jump_table_ref_p, m68k_decompose_address)
6180 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
6181 (m68k_matches_u_p): New functions.
6182 (print_operand_address): Rewrite to use m68k_decompose_index.
6184 2007-03-05 David Taylor <dtaylor@emc.com>
6186 * gcc.c: Correct copyright date in --version output.
6188 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6190 * pa.md: In unamed move patterns, disparge copies between general
6191 and floating point registers using '?' modifier. Don't include 'f'
6192 constraint for register preferences in DImode, SImode, HImode and
6193 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
6194 Remove constraints for copies between general and floating registers
6195 in soft-float DFmode pattern.
6196 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
6200 2007-03-05 Mike Stump <mrs@apple.com>
6202 * c-common.c (targetcm): Add.
6203 * c-opts.c (c_common_handle_option): Handle language specific
6205 * opts.c (handle_option): Verify language for target options, if
6207 * opth-gen.awk: Add CL_LANG_ALL.
6208 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
6209 (TARGETCM_INITIALIZER): Add.
6210 * target.h (struct gcc_targetcm): Add.
6212 * targhooks.c (default_handle_c_option): Add.
6213 * targhooks.h (default_handle_c_option): Add.
6214 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
6216 * config/darwin.opt (iframework): Add.
6217 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
6218 * config/darwin-c.c (handle_c_option): Add.
6219 (TARGET_HANDLE_C_OPTION): Add.
6221 * doc/invoke.texi (Darwin Options): Add -iframework.
6223 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6225 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
6228 2007-03-05 Ian Lance Taylor <iant@google.com>
6230 * c.opt (fgnu89-inline): New option.
6231 * c-opts.c (c_common_post_options): Set default value for
6233 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
6234 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
6236 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
6237 (grokdeclarator, start_function): Likewise.
6238 * c-cppbuiltin.c (c_cpp_builtins): Define either
6239 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
6240 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
6241 (C Dialect Options): Document -fgnu89-inline.
6242 * doc/extend.texi (Function Attributes): Explain what the
6243 gnu_inline attribute does.
6244 * doc/cpp.texi (Common Predefined Macros): Document
6245 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
6247 2007-03-05 Ian Lance Taylor <iant@google.com>
6249 PR tree-optimization/31034
6250 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
6251 half-range if the other side is an overflow infinity.
6253 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
6255 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
6256 (bfin*-linux-uclibc*): New configuration.
6257 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
6259 * config/bfin/linux.h: New file.
6260 * config/bfin/libgcc-bfin.ver: New file.
6261 * config/bfin/t-bfin-uclinux: New file.
6262 * config/bfin/t-bfin-linux: New file.
6263 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
6264 (TARGET_OS_CPP_BUILTINS): New macro.
6266 2007-03-05 Richard Guenther <rguenther@suse.de>
6268 * fold-const.c (fold_binary): Remove duplicate folding
6269 of comparison of non-null ADDR_EXPR against null.
6271 2007-03-05 Richard Guenther <rguenther@suse.de>
6272 Dorit Nuzman <dorit@il.ibm.com>
6274 PR tree-optimization/26420
6275 * tree-vectorizer.c (vectorize_loops): Bail out early if there
6276 are no loops in the function. Only print the number of
6277 vectorized loops if it is greater than zero or we are supposed
6278 to print information about unvectorized loops.
6280 2007-03-05 Revital Eres <eres@il.ibm.com>
6282 * gcc.dg/var-expand1.c: New test.
6283 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
6284 when an accumulator is expanded.
6286 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6289 * c-common.c (convert_and_check): Don't give warnings for
6290 conversion if 'expr' already overflowed.
6292 2007-03-04 Roger Sayle <roger@eyesopen.com>
6295 * fold-const.c (fold_comparison): Enforce type consistency when
6296 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
6298 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
6300 * tree-ssa-address.c (create_mem_ref): Do not put an expression
6301 containing a cast to the base of TARGET_MEM_REF.
6303 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
6305 * tree.c (tree_contains_struct_check_failed): Remove spurious
6306 whitespace from error message.
6308 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
6311 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
6312 instead of precision.
6314 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
6315 Nathan Sidwell <nathan@codesourcery.com>
6317 * emit-rtl.c (find_auto_inc): New.
6318 (try_split): recreate REG_INC notes,
6319 Use regular for loops rather than whiles.
6321 2007-03-03 Andreas Schwab <schwab@suse.de>
6323 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
6324 * configure: Regenerate.
6326 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6328 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
6329 flag_rounding_math, not flag_unsafe_math_optimizations.
6331 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
6333 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
6334 alpha_fold_vector_minmax): Likewise.
6335 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
6336 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
6338 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
6340 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
6341 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
6342 if the lhs has side-effects.
6343 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
6345 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
6347 * config/i386/i386.h (TUNEMASK): Remove define.
6348 (ARCHMASK): Remove define.
6349 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
6350 Use ix86_arch_mask variable instead of ARCHMASK.
6351 * config/i386/i386.c (override_options): Ditto.
6352 (standard_80387_constant_p): Ditto.
6354 2007-03-02 Ian Lance Taylor <iant@google.com>
6356 Used signed infinities in VRP.
6357 * tree-vrp.c (uses_overflow_infinity): New static function.
6358 (supports_overflow_infinity): New static function.
6359 (make_overflow_infinity): New static function.
6360 (negative_overflow_infinity): New static function.
6361 (positive_overflow_infinity): New static function.
6362 (is_negative_overflow_infinity): New static function.
6363 (is_positive_overflow_infinity): New static function.
6364 (is_overflow_infinity): New static function.
6365 (overflow_infinity_range_p): New static function.
6366 (compare_values_warnv): New function split out of compare_values.
6367 (compare_value): Call it.
6368 (set_value_range_to_nonnegative): Add overflow_infinity
6369 parameter. Change caller.
6370 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
6372 (vrp_expr_computes_nonzero): Likewise.
6373 (compare_ranges, compare_range_with_value): Likewise.
6374 (compare_name_with_value, compare_names): Likewise.
6375 (vrp_evaluate_conditional): Likewise.
6376 (set_value_range): Handle infinity
6377 (vrp_operand_equal_p, operand_less_p): Likewise.
6378 (extract_range_from_assert): Likewise.
6379 (vrp_int_const_binop): Likewise.
6380 (extract_range_from_binary_expr): Likewise.
6381 (extract_range_from_unary_expr): Likewise.
6382 (extract_range_from_comparison): Likewise.
6383 (extract_range_from_expr): Likewise.
6384 (dump_value_range): Likewise.
6385 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
6386 (test_for_singularity): Likewise.
6387 (vrp_int_const_binop): Remove inline qualifier.
6388 (adjust_range_with_scev): Add comment.
6389 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
6391 2007-03-02 Diego Novillo <dnovillo@redhat.com>
6393 * tree-ssa-structalias.c (could_have_pointers): Tidy.
6394 (get_constraint_for): Likewise.
6395 (do_structure_copy): Likewise.
6396 (find_func_aliases): Fix references to MODIFY_EXPR.
6397 (intra_create_variable_infos): Tidy.
6398 * tree-ssa-operands.c (add_virtual_operand): Add argument
6400 When adding members of alias sets, if IS_CALL_SITE is true and
6401 the symbol is not call-clobbered, skip it.
6404 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
6406 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
6407 entry by means of emit_insn_at_entry.
6409 2007-03-02 Richard Henderson <rth@redhat.com>
6411 * expr.h (promoted_input_arg): Remove decl.
6412 * function.c (promoted_input_arg): Merge into ...
6413 * combine.c (setup_incoming_promotions): ... only caller.
6414 Rearrange to avoid double loop.
6416 2007-03-02 Ben Elliston <bje@au.ibm.com>
6417 Peter Bergner <bergner@vnet.ibm.com>
6418 Janis Johnson <janis187@us.ibm.com>
6420 * config/rs6000/dfp.md: New file.
6421 * config/rs6000/rs6000.md: Include dfp.md.
6422 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
6423 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
6424 and TDmode decimal float modes in FP registers.
6425 (num_insns_constant): Likewise.
6426 (rs6000_legitimate_offset_address_p): Likewise.
6427 (rs6000_legitimize_address): Likewise.
6428 (rs6000_legitimize_reload_address): Likewise.
6429 (rs6000_legitimate_address): Likewise.
6430 (rs6000_emit_move): Likewise.
6431 (function_arg_boundary): Likewise.
6432 (function_arg_advance): Likewise.
6433 (rs6000_darwin64_record_arg_recurse): Likewise.
6434 (function_arg): Likewise.
6435 (rs6000_gimplify_va_arg): Likewise.
6436 (rs6000_split_multireg_move): Likewise.
6437 (rs6000_output_function_epilogue): Likewise.
6438 (rs6000_output_function_epilogue): Likewise.
6439 (rs6000_register_move_cost): Likewise.
6440 (rs6000_function_value): Likewise.
6441 (rs6000_libcall_value): Likewise.
6443 2007-03-02 Richard Sandiford <richard@codesourcery.com>
6445 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
6447 2007-03-02 Richard Sandiford <richard@codesourcery.com>
6449 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
6450 Use $MULTIDIR to choose between the kernel and RTP headers,
6451 and use $WIND_BASE and $WIND_USR to locate them.
6453 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
6455 * config/i386/i386.c (override_options): Put initialization of
6456 ix86_tune_mask and ix86_arch_mask to the correct place.
6458 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
6459 Michael Meissner <michael.meissner@amd.com>
6462 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
6464 (TARGET_CMOVE): Use ARCHMASK.
6465 (TARGET_CMPXCHG): Ditto.
6466 (TARGET_CMPXCHG8B): Ditto.
6467 (TARGET_XADD): Ditto.
6468 (TARGET_BSWAP): Ditto.
6469 * config/i386/i386.c (ix86_tune_mask): New global variable.
6470 (ix86_arch_mask): Ditto.
6471 (override_options): Initialize ix86_tune_mask and
6472 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
6475 2007-03-02 Ben Elliston <bje@au.ibm.com>
6478 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
6480 2007-03-02 Joseph Myers <joseph@codesourcery.com>
6482 * target.h (init_dwarf_reg_sizes_extra): New target hook.
6483 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
6484 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
6485 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
6487 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
6488 rs6000_init_dwarf_reg_sizes_extra): New.
6489 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
6490 SPE register high parts.
6492 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
6494 * Makefile.in: Add install-pdf target as
6495 copied from automake v1.10 rules.
6496 * configure.ac: Add install-pdf to target list.
6497 * configure: Regenerate.
6499 2007-03-01 Paul Brook <paul@codesourcery.com>
6501 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
6502 modes to LDRD for DImode.
6503 (output_move_double): Fixup out of range ldrd/strd.
6504 (vfp_secondary_reload_class): Rename...
6505 (coproc_secondary_reload_class): ... to this. Add wb argument.
6506 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
6507 coproc_secondary_reload_class for CLASS_IWMMXT.
6508 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
6509 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
6511 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
6513 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the unroll
6514 factor by the estimated number of iterations.
6515 (loop_prefetch_arrays): Do not prefetch in loops that iterate less than
6518 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
6519 decode_caches_intel, detect_caches_intel): New functions.
6520 (host_detect_local_cpu): Use detect_caches_amd and
6521 detect_caches_intel.
6523 2007-03-01 Richard Henderson <rth@redhat.com>
6525 * expr.c (emit_move_complex_push): Export.
6526 (emit_move_complex_parts): Split out from ...
6527 (emit_move_complex): ... here.
6528 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
6529 * config/i386/i386.md (movcdi): New.
6531 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
6533 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
6534 size of mode1 to check for tieable modes in MMX case.
6536 2007-03-01 Richard Sandiford <richard@codesourcery.com>
6538 * Makefile.in (rtlanal.o): Depend on tree.h.
6539 * rtl.h (offset_within_section_p, split_const): Declare.
6540 * rtlanal.c: Include tree.h.
6541 (offset_within_block_p): New function, taken from
6542 mips_offset_within_object_p.
6543 (split_const): New function, taken from mips_split_const.
6544 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
6546 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
6547 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
6548 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
6549 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6550 (m68k_illegitimate_symbolic_constant_p): New function.
6551 * config/m68k/m68k.md (movsi): Remove misleading predicates.
6552 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
6553 symbolic constant that might be outside the symbol's section,
6554 move the symbol first and then add the offset.
6555 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
6557 * config/mips/mips.c (mips_split_const): Delete.
6558 (mips_offset_within_object_p): Delete.
6559 (mips_symbolic_constant_p): Use offset_within_section_p and
6560 split_const instead of mips_offset_within_object_p and
6562 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
6563 (mips_legitimize_const_move, print_operand_reloc)
6564 (mips_dangerous_for_la25_p): Use split_const instead of
6567 2007-02-28 Eric Christopher <echristo@apple.com>
6569 * Makefile.in (install-include-dir): Don't rm -rf include.
6571 2007-02-28 Richard Guenther <rguenther@suse.de>
6574 * fold-const.c (fold_binary): Do not associate expressions
6575 with more than one variable for integer types that do not wrap.
6577 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
6579 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
6580 Delete, and replace with...
6581 (fold_builtin_call_array): This. Update callers to use it.
6582 * fold-const.c (fold_build_call_list): Delete, and replace with...
6583 (fold_build_call_array): This.
6584 (fold_build_call_list_initializer): Delete, and replace with...
6585 (fold_build_call_array_initializer): This.
6586 * tree.h: Update declarations to reflect above changes.
6588 * c-typeck.c (build_function_call): Store converted arguments
6589 in a stack-allocated array instead of building a list.
6590 (convert_arguments): Store arguments in the array passed in as an
6591 argument, and return the actual number of arguments.
6592 * c-format.c: (check_function_format): Pass arguments in an
6593 array instead of a list.
6594 * c-common.c (check_function_nonnull): Likewise.
6595 (check_function_sentinel): Likewise.
6596 (check_function_arguments): Likewise.
6597 * c-common.h: Update declarations to reflect above changes.
6599 2007-02-28 Jan Hubicka <jh@suse.cz>
6601 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
6602 PRED_NEGATIVE_RETURN): Update outcomes.
6604 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
6606 * calls.c (emit_library_call_value_1): Handle partial registers
6607 correctly when building up CALL_INSN_FUNCTION_USAGE.
6609 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6611 * pa/predicates.md (move_src_operand): Allow zero for mode.
6612 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
6615 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
6618 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
6619 *movv2df_internal): Enable pattern only for valid operand
6621 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
6622 tie only 128bit modes. For MMX registers, tie only 64bit modes.
6624 2007-02-27 Mike Stump <mrs@apple.com>
6626 * config/darwin-crt3.c: Avoid compilation when compiling for a
6629 2007-02-27 Joseph Myers <joseph@codesourcery.com>
6631 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
6633 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
6634 for fixed headers and limits.h.
6635 (install-include-dir, install-headers-tar, install-headers-cpio,
6636 install-headers-cp, real-install-headers-tar,
6637 real-install-headers-cpio, real-install-headers-cp): Handle
6638 include-fixed as well as include.
6639 (install-mkheaders): Don't install files that go only in include
6641 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
6642 from GCC_INCLUDE_DIR.
6643 * gcc.c (process_command): Remove special -BstageN/ handling.
6644 (do_spec_1): Add include-fixed directories.
6646 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6648 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
6650 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
6652 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
6655 2007-02-27 Mark Mitchell <mark@codesourcery.com>
6657 * c-common.c (get_priority): Add check for
6658 SUPPORTS_INIT_PRIORITY.
6660 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6662 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
6664 * config/bfin/bfin.c: Include "cfglayout.h".
6665 (MAX_LSETUP_DISTANCE): New macro.
6666 (struct loop_info): New members incoming, incoming_src and
6667 incoming_dest. Delete member predecessor.
6668 (length_for_loop): New function.
6669 (bfin_optimize_loop): Handle more different loop structures.
6670 (bfin_discover_loop): Rework detection of predecessor blocks by
6671 examining incoming edges.
6672 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
6674 (bfin_reorder_loops): New function.
6675 (bfin_reorg_loops): Use these three new functions.
6677 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
6678 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
6679 (CONSTRAINT_LEN): Add entry for 'q'.
6680 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
6681 Add 'q' constraints.
6682 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
6683 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
6685 * config/bfin/bfin.md (add_with_carry): New pattern.
6686 (s_or_u, su_optab, su_modifier): New code macros/attrs.
6687 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
6688 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
6689 support unsigned multiplies too. Removed incorrect commutativity from
6690 operand 1 constraint where appropriate.
6691 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
6693 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
6694 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
6696 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
6697 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
6698 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
6699 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
6700 usmulhisi_hh_huh): New patterns.
6702 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
6703 lshifthi3): Fix output template to use half reg for operand 2.
6705 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
6708 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
6710 2007-02-27 Andreas Schwab <schwab@suse.de>
6712 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
6714 2007-02-27 Jan Hubicka <jh@suse.cz>
6716 * predict.c (last_basic_block_p): Remove.
6717 (tree_estimate_probability): Update return heuristic for commonized
6720 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
6722 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
6724 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
6726 * doc/include/gcc-common.texi (versionsubtitle): New macro.
6727 * doc/cpp.texi: Standardize title page.
6728 * doc/cppinternals.texi: Likewise.
6729 * doc/gcc.texi: Standardize title page, remove version number
6730 from copyright page.
6731 * doc/gccint.texi: Likewise.
6732 * doc/install.texi: Standardize title page, add table of
6735 2007-02-26 Jan Hubicka <jh@suse.cz>
6737 * predict.def: Set outcomes according to more recent results.
6738 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
6739 Remove dead predictors.
6740 * predict.c (return_prediction): Fix pasto.
6742 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
6744 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
6745 change; avoid a memory leak when returning early.
6747 2007-02-26 Mark Mitchell <mark@codesourcery.com>
6749 * c-decl.c (static_ctors): Move to c-common.c.
6750 (static_dtors): Likewise.
6751 (finish_function): Use c_record_cdtor_fn.
6752 (build_cdtor): Move to c-common.c.
6753 (c_write_global_declarations): Use c_build_cdtor_fns.
6754 * c-common.h (static_ctors): Declare.
6755 (static_dtors): Likewise.
6756 (c_record_cdtor_fn): Likewise.
6757 (c_build_cdtor_fns): Likewise.
6758 * c-common.c (static_ctors): New variable.
6759 (static_dtors): Likewise.
6760 (c_record_cdtor_fn): New function.
6761 (build_cdtor): Move from c-decl.c
6762 (c_build_cdtor_fns): New function.
6764 * output.h (assemble_addr_to_section): Declare.
6765 (get_cdtor_priority_section): Likewise.
6766 * varasm.c (assemble_addr_to_section): New function.
6767 (get_cdtor_priority_section): Likewise.
6768 (default_named_section_asm_out_destructor): Use them.
6769 (destor_dtor_section_asm_out_destructor): Likewise.
6770 (default_named_section_asm_out_constructor): Likewise.
6771 (default_ctor_section_asm_out_constructor): Likewise.
6772 * config.gcc (*-*-vxworks*): Include vxworks.o.
6773 * config/t-vxworks (vxworks.o): New target.
6774 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
6775 (TARGET_ASM_CONSTRUCTOR): Define.
6776 (TARGET_ASM_DESTRUCTOR): Likewise.
6777 (vxworks_asm_out_constructor): Declare.
6778 (vxworks_asm_out_destructor): Likewise.
6780 * c-common.c (get_priority): Check that we have not just an
6781 INTEGER_CST, but an integer constant with integeral type.
6783 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
6785 PR tree-optimization/30938
6786 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
6787 use &dt[nargs-1] instead of &dt[nargs] in the call to
6788 vect_is_simple_use().
6790 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
6792 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
6793 from register elimination as PRE_MODIFY / POST_MODIFY increments.
6794 Do not attempt to handle MEM inside auto-inc expressions.
6795 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
6796 of a register modified by an auto-inc expression. However, do handle
6797 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
6798 (elimination_effects): Prohibit elimination of a register modified
6799 by an auto-inc expression. Disable register elimination rules whose
6800 target register is modified by an auto-inc expression with variable
6803 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
6805 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
6807 (array_at_struct_end_p): New function.
6808 (idx_infer_loop_bounds): Use it.
6809 (estimate_numbers_of_iterations_loop): Export.
6810 * predict.c (predict_loops): Use estimated_loop_iterations_int.
6811 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
6812 (tree_estimate_probability): Call record_loop_exits.
6813 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
6814 (estimated_loop_iterations, estimated_loop_iterations_int,
6815 estimated_loop_iterations_tree): New functions.
6816 (analyze_siv_subscript_cst_affine,
6817 compute_overlap_steps_for_affine_1_2,
6818 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
6819 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
6820 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
6821 (PRED_LOOP_ITERATIONS_GUESSED): New.
6822 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
6823 * cfgloop.h (estimate_numbers_of_iterations_loop,
6824 estimated_loop_iterations_int): Declare.
6826 2007-02-25 Mark Mitchell <mark@codesourcery.com>
6828 * doc/extend.texi: Document optional priority argument to
6829 constructors and destructors.
6830 * tree.c (init_priority_for_decl): Adjust GTY markers.
6831 (init_ttree): Use priority-info hash functions for
6832 init_priority_for_decl.
6833 (tree_map_eq): Rename to ...
6834 (tree_map_base_eq): ... this.
6835 (tree_map_marked_p): Rename to ...
6836 (tree_map_base_marked_p): ... this.
6837 (tree_map_base_hash): New function.
6838 (decl_init_priority_lookup): Rework.
6839 (decl_fini_priority_lookup): New function.
6840 (decl_priority_info): New function.
6841 (decl_init_priority_insert): Use it.
6842 (decl_fini_priority_insert): Likewise.
6843 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
6845 (decl_restrict_base_insert): Likewise.
6846 (decl_debug_expr_insert): Likewise.
6847 (decl_value_expr_lookup): Likewise.
6848 (decl_value_expr_insert): Likewise.
6849 * tree.h (priority_type): New type.
6850 (decl_init_priority_lookup): Use priority_type.
6851 (decl_fini_priority_lookup): New function.
6852 (decl_init_priority_insert): Use priority_type.
6853 (decl_fini_priority_insert): New function.
6854 (DECL_HAS_INIT_PRIORITY): Tweak comments.
6855 (DECL_INIT_PRIORITY): Likewise.
6856 (SET_DECL_INIT_PRIORITY): Add comment.
6857 (DECL_FINI_PRIORITY): New macro.
6858 (SET_DECL_FINI_PRIORITY): Likewise.
6859 (DEFAULT_INIT_PRIORITY): Document.
6860 (MAX_INIT_PRIORITY): Likewise.
6861 (MAX_RESERVED_INIT_PRIORITY): Likewise.
6862 (tree_map_base): New type.
6863 (tree_map_base_eq): New function.
6864 (tree_map_base_hash): Likewise.
6865 (tree_map_base_marked_p): Likewise.
6866 (tree_map): Inherit from tree_map_base.
6867 (tree_map_eq): Make it a macro.
6868 (tree_map_marked_p): Likewise.
6869 (tree_int_map): Inherit from tree_map_base.
6870 (tree_int_map_eq): Make it a macro.
6871 (tree_int_map_hash): Likewise.
6872 (tree_int_map_marked_p): Likewise.
6873 (tree_priority_map): New type.
6874 (tree_priority_map_eq): New macro.
6875 (tree_priority_map_hash): Likewise.
6876 (tree_priority_map_marked_p): Likewise.
6877 * varasm.c (emults_decl): Adjust for refactoring of tree_map
6879 (emutls_common_1): Likewise.
6880 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
6881 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
6882 of tree_map hierarchy.
6883 * tree-cfg.c (move_stmt_r): Likewise.
6884 (new_label_mapper): Likewise.
6885 * c-tree.h (c_expand_body): Move to ...
6886 * c-common.h (c_expand_body): ... here.
6887 * c-decl.c (c_expand_body): Move to ...
6888 * c-common.c (c_expand_body): ... here.
6889 (c_common_attribute_table): Allow 1 argument for the constructor
6890 and destructor attributes.
6891 (get_priority): New function.
6892 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
6893 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
6895 2007-02-24 Jan Hubicka <jh@suse.cz>
6898 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
6900 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
6901 Jan Hubicka <jh@suse.cz>
6904 * i386.c (counter_mode): New function.
6905 (expand_set_or_movmem_via_loop): Use it.
6906 (expand_movmem_epilogue): Likewise; fix pasto.
6907 (ix86_expand_movmem): Do emit guard even for constant counts.
6908 (ix86_expand_setmem): Likewise.
6910 2007-02-25 Nick Clifton <nickc@redhat.com>
6912 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
6913 (JUMP_TABLES_IN_TEXT_SECTION): Define.
6915 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
6918 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
6919 count argument with 0x10, not with 0x16.
6920 (expand_setmem_epilogue): Ditto.
6922 2007-02-24 Mike Stump <mrs@apple.com>
6924 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
6927 2007-02-24 Richard Guenther <rguenther@suse.de>
6930 * fold-const.c (fold_binary): Fold x +- CST op x for
6931 EQ_EXPR and NE_EXPR.
6933 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6935 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
6937 2007-02-24 Jan Hubicka <jh@suse.cz>
6939 * cgraphunit.c (decide_is_function_needed): Honor
6940 -fkeep-inline-functions.
6942 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6944 * builtins.c (fold_builtin_modf): New.
6945 (fold_builtin_2): Use it.
6947 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
6949 * loop-iv.c (implies_p): Detect additional cases where A implies B.
6950 (determine_max_iter): Take additional LOOP arg; all callers changed.
6951 Lose broken logic dealing with PLUS. Try to limit the upper bound by
6952 one using simplifications.
6953 (simplify_using_initial_values): Return if the expression becomes
6954 invalid due to altered regs.
6956 2007-02-23 DJ Delorie <dj@redhat.com>
6958 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
6960 2007-02-23 Mike Stump <mrs@apple.com>
6962 * tlink.c (scan_linker_output): Parse linker messages from
6963 darwin9's linker better.
6965 2007-02-23 Steve Ellcey <sje@cup.hp.com>
6968 * varpool.c (varpool_assemble_pending_decls): Set
6969 varpool_last_needed_node to null.
6971 2007-02-23 DJ Delorie <dj@redhat.com>
6973 * config/i386/i386.c (ix86_data_alignment): Don't specify an
6974 alignment bigger than the object file can handle.
6976 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
6979 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
6980 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
6981 (*movsf_1): Penalize MMX moves.
6983 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
6985 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
6986 2^32-1 or more times unless flag_unsafe_loop_optimizations.
6988 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
6990 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6992 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
6993 (fold_builtin_1): Use them.
6994 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
6995 BUILT_IN_SIGNIFICAND.
6997 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
6999 * config/i386/i386.c (bdesc_1arg): Initialize
7000 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
7001 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
7002 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
7003 and IX86_BUILTIN_MOVSLDUP.
7005 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
7007 PR rtl-optimization/30841
7008 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
7010 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7012 * builtins.c (fold_builtin_frexp): New.
7013 (fold_builtin_2): Use it.
7015 2007-02-22 Mark Mitchell <mark@codesourcery.com>
7017 * doc/invoke.texi (Spec Files): Document getenv spec function.
7019 * gcc.c (getenv_spec_function): New function.
7020 (static_spec_functions): Add it.
7021 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
7022 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
7025 2007-02-22 Michael Matz <matz@suse.de
7028 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
7029 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
7031 2007-02-22 Ian Lance Taylor <iant@google.com>
7034 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
7035 (mem_loc_descriptor): Call it.
7037 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
7038 Ira Rosen <irar@il.ibm.com>
7040 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
7042 2007-02-22 Ira Rosen <irar@il.ibm.com>
7044 PR tree-optimization/30843
7045 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
7046 stores only after all the group is vectorized.
7048 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
7050 PR tree-optimization/30858
7051 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
7052 in the reduction cycle have a single use in the loop.
7053 * tree-vectorizer.h (relevant): Add documentation.
7055 2007-02-20 Mike Stump <mrs@apple.com>
7057 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
7058 * configure: Regenerate.
7060 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
7062 Change the defaults of some parameters and options.
7063 * config/spu/spu-protos.h (spu_optimization_options): Declare.
7064 * config/spu/spu.c (spu_optimization_options): Add.
7065 (spu_override_options): Change params in spu_optimization_options.
7066 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
7068 Register 127 is only 16 byte aligned when used as a frame pointer.
7069 * config/spu/spu-protos.h (spu_init_expanders): Declare.
7070 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
7071 HARD_FRAME_POINTER_REGNUM.
7072 (spu_legitimate_address): Use regno_aligned_for_reload.
7073 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
7074 aligned when frame_pointer_needed is true.
7075 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
7077 * config/spu/spu.h (INIT_EXPANDERS): Define.
7079 Make sure shift and rotate instructions have valid immediate operands.
7080 * config/spu/predicates.md (spu_shift_operand): Remove.
7081 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
7082 * config/spu/constraints.md (W, O): Extend range.
7083 * config/spu/spu.md (umask, nmask): Define.
7084 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
7085 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
7086 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
7087 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
7088 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
7089 (lshr<mode>3_reg): Fix rtl description.
7091 Make sure mulhisi immediate operands are valid.
7092 * config/spu/predicates.md (imm_K_operand): Add.
7093 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
7095 Generate constants using fsmbi and andi.
7096 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
7097 (print_operand, spu_split_immediate, classify_immediate,
7098 fsmbi_const_p): Handle IC_FSMBI2.
7100 Correctly handle a CONST_VECTOR containing symbols.
7101 * config/spu/spu.c (print_operand): Handle HIGH correctly.
7102 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
7103 (immediate_load_p): Allow symbols that use 2 instructions to create.
7104 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
7105 with symbols when flag_pic is set.
7106 (const_vector_immediate_p): New.
7107 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
7108 accept a CONST_VECTOR with symbols.
7109 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
7110 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
7112 * config/spu/spu.md (high, low): Delete.
7113 (low_<mode>): Define.
7115 Remove INTRmode and INTR_REGNUM, which didn't work.
7116 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
7118 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
7119 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
7120 peephole2 pattern): Don't use INTR or 131.
7121 (movintrcc): Delete.
7122 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
7123 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
7124 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
7125 (UNSPEC_SET_INTR): Add.
7126 * config/spu/spu-modes.def (INTR): Remove.
7128 More accurate warnings about run-time relocations.
7129 * config/spu/spu.c (reloc_diagnostic): Test in_section.
7131 Correctly warn about immediate arguments to specific intrinsics.
7132 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
7133 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
7134 the instruction predicate.
7136 Fix tree check errors with latest update.
7137 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
7139 (spu_expand_builtin): Use CALL_EXPR_FN.
7141 Add missing specific intrinsics.
7142 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
7144 * config/spu/spu_internals.h: Ditto.
7146 Fix incorrect operand modifiers.
7147 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
7148 * config/spu/spu.md (xor<mode>3): Change %S to %J.
7150 Optimize one case of zero_extend of a vec_select.
7151 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
7153 Accept any immediate for hbr.
7154 * config/spu/spu.md (hbr): Change s constraints to i.
7156 2007-02-21 Paul Brook <paul@codesourcery.com>
7158 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
7159 condexec_count when skipping USE and CLOBBER.
7161 2007-02-21 Nick Clifton <nickc@redhat.com>
7163 * common.opt (Warray-bounds): Add Warning attribute.
7164 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
7166 (fsized-zeroes): Add Optimization attribute.
7167 (fsplit-wide-types, ftree-scev-cprop): Likewise.
7168 * c.opt (Wc++0x-compat): Add Warning attribute.
7170 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
7173 * reload1.c (eliminate_regs_in_insn): In the single_set special
7174 case, attempt to re-recognize the insn before falling back to
7175 having reload fix it up.
7177 2007-02-20 Eric Christopher <echristo@gmail.com>
7179 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
7180 Rewrite accordingly.
7181 (frv_read_iacc_argument): Ditto.
7182 (frv_expand_set_builtin): Take a call instead of arglist, update for
7184 (frv_expand_unop_builtin): Ditto.
7185 (frv_expand_binop_builtin): Ditto.
7186 (frv_expand_cut_builtin): Ditto.
7187 (frv_expand_binopimm_builtin): Ditto.
7188 (frv_expand_voidbinop_builtin): Ditto.
7189 (frv_expand_int_void2arg): Ditto.
7190 (frv_expand_prefetches): Ditto.
7191 (frv_expand_voidtriop_builtin): Ditto.
7192 (frv_expand_voidaccop_builtin): Ditto.
7193 (frv_expand_load_builtin): Ditto.
7194 (frv_expand_store_builtin): Ditto.
7195 (frv_expand_mdpackh_builtin): Ditto.
7196 (frv_expand_mclracc_builtin): Ditto.
7197 (frv_expand_mrdacc_builtin): Ditto.
7198 (frv_expand_mwtacc_builtin): Ditto.
7199 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
7202 2007-02-20 Janis Johnson <janis187@us.ibm.com>
7204 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
7205 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
7207 (HAVE_GAS_DFP): Check for assembler support of decimal floating
7209 * configure: Regenerate.
7210 * config.in: Regenerate.
7211 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
7212 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
7213 masks to power6 and power6x and to POWERPC_MASKS.
7214 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
7216 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
7217 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
7218 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
7219 Access PROTOTYPE as variable, not mask.
7221 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
7223 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
7224 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
7225 * combine.c (adjust_for_new_dest): Use it.
7226 * postreload.c (reload_combine): Likewise.
7228 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
7230 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
7231 notes on an insn with multiple sets, even if single_set returns
7232 non-NULL for that insn.
7234 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7236 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
7239 2007-02-20 Geoffrey Keating <geoffk@apple.com>
7241 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
7242 if user didn't pass it.
7243 * config/i386/darwin.h (CC1_SPEC): Likewise.
7244 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
7245 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
7246 -mmacosx-version-min.
7248 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7249 Uros Bizjak <ubizjak@gmail.com>
7251 * optabs.h (enum optab_index): Add new OTI_scalb.
7252 (scalb_optab): Define corresponding macro.
7253 * optabs.c (init_optabs): Initialize scalb_optab.
7254 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
7256 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
7257 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
7258 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
7259 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
7260 flag_unsafe_math_optimizations is set.
7262 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
7263 to implement scalbf, scalb and scalbl built-ins as inline x87
7266 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7267 DJ Delorie <dj@redhat.com>
7270 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
7271 (diagnostic_report_diagnostic): ... here, and turn them into real
7272 errors. If warnings are inhibited, no need to do anything.
7274 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
7276 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
7277 better code generation.
7279 2007-02-20 Ben Elliston <bje@au.ibm.com>
7281 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
7283 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
7285 * config/alpha/alpha.c, config/alpha/alpha.md,
7286 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
7287 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
7288 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
7289 config/arm/lib1funcs.asm: Follow spelling conventions.
7291 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
7292 config/fr30/fr30.md, config/i386/i386.h,
7293 config/iq2000/iq2000.h, config/iq2000/predicates.md,
7294 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
7295 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
7296 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
7297 config/rs6000/altivec.md, config/rs6000/rs6000.c,
7298 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
7299 config/sparc/sparc.c, config/sparc/sparc.h,
7300 config/sparc/sparc.md, config/spu/constraints.md,
7301 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
7304 2007-02-20 Alan Modra <amodra@bigpond.net.au>
7307 * varasm.c (use_blocks_for_decl_p): Return false for decls with
7310 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
7312 * doc/invoke.texi (-ftree-lrs): Remove.
7314 2007-02-19 Diego Novillo <dnovillo@redhat.com>
7316 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
7319 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
7321 * config/ia64/ia64.c (ia64_expand_builtin): Use the
7322 new CALL_EXPR_FN macro for retrieving the function
7323 declaration of the input expression.
7325 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
7327 * c.opt (Waddress): New.
7328 * common.opt (Walways-true): Delete.
7329 (Wstring-literal-comparison): Delete.
7330 * doc/invoke.texi (Warning Options): Delete -Walways-true and
7331 -Wstring-literal-comparison. Add -Waddress.
7333 (Walways-true): Delete.
7334 (Wstring-literal-comparison): Delete.
7335 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
7336 consistently instead of -Walways-true in example.
7337 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
7338 * c-typeck.c (parser_build_binary_op): Replace
7339 -Wstring-literal-comparison and -Walways-true with -Waddress.
7340 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
7343 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
7345 * tree-cfg.c (dump_function_to_file): Be prepared for functions
7346 without DECL_STRUCT_FUNCTION initialized.
7348 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
7350 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
7351 due to calls to functions taking pointers as parameters.
7353 2007-02-19 Richard Henderson <rth@redhat.com>
7356 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
7359 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
7361 * config/s390/s390.c (s390_call_saved_register_used,
7362 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
7363 accessed to the new scheme.
7365 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7367 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
7368 (cris_print_index, cris_print_operand, cris_print_operand_address)
7369 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
7370 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
7371 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
7373 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
7374 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
7375 GO_IF_LEGITIMATE_ADDRESS): Ditto.
7376 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
7377 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
7378 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
7379 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
7380 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
7381 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
7382 (uminsi3, call, call_value): Ditto.
7383 (define_split: indir_to_reg_split, unnamed): Ditto.
7385 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
7387 PR tree-optimization/30975
7388 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
7391 2007-02-18 Eric Christopher <echristo@gmail.com>
7393 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
7394 Remove use of arglist.
7395 (mips_expand_builtin): Remove use of arglist, pass in expr.
7396 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
7397 (mips_expand_builtin_movtf): Ditto.
7398 (mips_expand_builtin_compare): Ditto.
7400 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
7402 * tree-sra.c (sra_build_assignment): Replace assertion
7403 checking with a comment explaining why it can't be done.
7405 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
7408 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
7409 during CALL_EXPR representation conversion.
7410 * tree-ssa-propagate.c (set_rhs): Likewise.
7412 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
7414 * tree-sra.c (sra_build_assignment): Disable assertion checking
7417 2007-02-18 Roger Sayle <roger@eyesopen.com>
7419 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
7420 instead of calling build2 with a GIMPLE_MODIFY_STMT.
7421 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
7423 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
7424 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
7425 gimplify_init_ctor_eval_range, gimple_push_cleanup,
7426 gimplify_omp_for, gimplify_omp_atomic_pipeline,
7427 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
7428 force_gimple_operand): Likewise.
7429 * ipa-cp.c (constant_val_insert): Likewise.
7430 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
7431 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
7432 perfect_nestify): Likewise.
7433 * langhooks.c (lhd_omp_assignment): Likewise.
7434 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
7435 lower_copyprivate_clauses, lower_send_clauses,
7436 lower_send_shared_vars, expand_parallel_call,
7437 expand_omp_for_generic, expand_omp_for_static_nochunk,
7438 expand_omp_for_static_chunk, expand_omp_sections,
7439 lower_omp_single_copy, lower_omp_for_lastprivate,
7440 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
7441 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7442 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
7445 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
7447 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
7448 config/sh/sh.md: Follow spelling conventions.
7450 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
7451 config/frv/predicates.md: Follow spelling conventions.
7453 * config/m68k/linux-unwind.h: Fix a comment typo.
7454 * target.h: Follow spelling conventions.
7456 2007-02-18 Roger Sayle <roger@eyesopen.com>
7458 PR rtl-optimization/28173
7459 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
7460 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
7461 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
7462 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
7463 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
7465 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7467 * builtins.c (fold_builtin_load_exponent): New.
7468 (fold_builtin_2): Use it.
7470 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
7472 PR rtl-optimization/30773
7473 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
7474 if we fail to attach a REG_EQUIV note.
7476 2007-02-18 David Edelsohn <edelsohn@gnu.org>
7477 Roger Sayle <roger@eyesopen.com>
7479 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
7481 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
7483 * calls.c (initialize_argument_information): Pass original EXP
7484 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
7485 code to split complex arguments here, as part of initializing the
7487 (expand_call): Remove code that builds a list of arguments and
7488 inserts implicit arguments into it. Instead, just count how many
7489 implicit arguments there will be so we can determine the size of
7490 the ARGS array, and let initialize_argument_information do the work.
7491 (split_complex_values): Delete unused function.
7493 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
7495 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
7497 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
7499 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
7500 for arg pointer based indexed addressing.
7502 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
7504 * config/ia64/ia64.h, config/ia64/ia64.md,
7505 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
7506 spelling conventions.
7508 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7510 * config/m68k/m68k.c (split_di): New.
7511 * config/m68k/m68k-protos.h: Declare split_di.
7512 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
7513 Improve predicate handling and split constant shifts.
7515 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7517 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
7518 parameter for register bitfield operations, general predicates
7521 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
7523 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
7524 * config/m68k/linux-unwind.h: New file.
7526 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
7528 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
7529 config/i386/athlon.md, config/ia64/ia64.md,
7530 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
7531 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
7532 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
7533 tree-ssa-loop-niter.c, tree-vect-analyze.c,
7534 tree-vect-transform.c: Fix comment typos.
7536 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
7538 * sched-deps.c (find_insn_list): Remove.
7539 * sched-int.h: Remove the prototype for find_insn_list.
7541 2007-02-16 Geoffrey Keating <geoffk@apple.com>
7543 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
7545 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
7546 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
7547 darwin_rs6000_override_options.
7548 (C_COMMON_OVERRIDE_OPTIONS): Expect
7549 darwin_macosx_version_min to be non-NULL always.
7550 (TARGET_C99_FUNCTIONS): Likewise.
7551 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
7552 (DARWIN_MINVERSION_SPEC): New.
7553 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
7554 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
7556 (DARWIN_MINVERSION_SPEC): New.
7557 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
7559 * config/darwin-c.c (darwin_cpp_builtins): Expect
7560 darwin_macosx_version_min to be non-NULL always.
7562 * config/rs6000/rs6000.c: Clean up trailing whitespace.
7564 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
7566 * config/i386/i386.h (x86_use_xchgb): New.
7567 (TARGET_USE_XCHGB): New macro.
7568 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
7569 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
7570 Split after reload into bswaphi for shifts of 8.
7571 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
7572 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
7573 or when optimizing for size.
7575 2007-02-16 Richard Guenther <rguenther@suse.de>
7576 Christian Bruel <christian.bruel@st.com>
7578 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
7579 DECLs but prefer SSA_NAMEs over DECLs.
7581 2007-02-16 Richard Guenther <rguenther@suse.de>
7583 * tree-flow-inline.h (single_imm_use_p): Remove.
7584 (zero_imm_uses_p): Likewise.
7585 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
7586 instead of single_imm_use_p.
7587 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
7590 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
7593 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
7594 nested double- and backquotes.
7596 2007-02-15 Roger Sayle <roger@eyesopen.com>
7599 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
7600 should be unreachable.
7601 (build2_stat): Allow construction of MODIFY_EXPR at any time.
7602 For the time being redirect GIMPLE_MODIFY_STMT to the new
7603 (renamed) build_gimple_modify_stmt_stat.
7604 (build2_gimple_stat): Rename to...
7605 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
7606 Always build a GIMPLE_MODIFY_STMT node.
7607 * tree.h (build2_gimple, build2_gimple_stat): Delete.
7608 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
7611 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
7612 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
7613 * tree-complex.c (set_component_ssa_name, expand_complex_move,
7614 expand_complex_div_wide): Likewise.
7615 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
7616 * tree-ssa-loop-im.c (schedule_sm): Likewise.
7617 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
7618 * tree-ssa-loop-manip.c (create_iv): Likewise.
7619 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
7620 abs_replacement): Likewise.
7621 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
7622 realify_fake_stores): Likewise.
7624 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
7625 node rather than a GIMPLE_MODIFY_STMT node.
7626 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
7627 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
7629 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
7630 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
7633 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
7636 * fold-const.c (fold_comparison): Add back the
7637 folding of constant complex comparisions.
7639 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
7642 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
7643 effects unknown to this function, return early.
7645 2007-02-15 Ian Lance Taylor <iant@google.com>
7647 * lower-subreg.c (move_eh_region_note): New static function.
7648 (resolve_simple_move): Call it.
7649 (decompose_multiword_subregs): Track blocks for which we resolve a
7650 simple move which is also a control flow insn. Pass them to
7651 find_many_sub_basic_blocks.
7652 (pass_lower_subreg): Add TODO_verify_flow.
7653 (pass_lower_subreg2): Likewise.
7655 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7656 Brooks Moses <brooks.moses@codesourcery.com>
7657 Lee Millward <lee.millward@codesourcery.com>
7659 * tree.h (enum tree_code_class): Add tcc_vl_exp.
7660 (VL_EXP_CLASS_P): New.
7661 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
7663 (TREE_OPERAND_CHECK_CODE): Likewise.
7664 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
7665 (TREE_RTL_OPERAND_CHECK): Likewise.
7666 (tree_operand_check_failed): Make second parameter the whole tree
7667 instead of its code. Fixed callers.
7668 (VL_EXP_CHECK): New.
7669 (TREE_OPERAND_LENGTH): New.
7670 (VL_EXP_OPERAND_LENGTH): New.
7671 (CALL_EXPR_FN): New.
7672 (CALL_EXPR_STATIC_CHAIN): New.
7673 (CALL_EXPR_ARGS): New.
7674 (CALL_EXPR_ARG): New.
7675 (call_expr_nargs): New.
7676 (CALL_EXPR_ARGP): New.
7677 (build_nt_call_list): Declare.
7678 (build_vl_exp_stat): Declare.
7679 (build_vl_exp): New.
7680 (build_call_list): Declare.
7681 (build_call_nary): Declare.
7682 (build_call_valist): Declare.
7683 (build_call_array): Declare.
7684 (call_expr_arg): Declare.
7685 (call_expr_argp): Declare.
7686 (call_expr_arglist): Declare.
7687 (fold_build_call_list): Declare.
7688 (fold_build_call_list_initializer): Declare.
7689 (fold_call_expr): Declare to replace fold_builtin.
7690 (fold_builtin_fputs): Update to agree with modified definition.
7691 (fold_builtin_strcpy): Likewise.
7692 (fold_builtin_strncpy): Likewise.
7693 (fold_builtin_memory_chk): Likewise.
7694 (fold_builtin_stxcpy_chk): Likewise.
7695 (fold_builtin_strncpy_chk): Likewise.
7696 (fold_builtin_next_arg): Likewise.
7697 (fold_build_call_expr): Declare.
7698 (fold_builtin_call_list): Declare.
7699 (fold_builtin_call_valist): Declare.
7700 (build_call_expr): Declare.
7701 (validate_arglist): Update to agree with modified definition.
7702 (tree_operand_length): New.
7703 (call_expr_arg_iterator): New.
7704 (init_call_expr_arg_iterator): New.
7705 (next_call_expr_arg): New.
7706 (first_call_expr_arg): New.
7707 (more_call_expr_args_p): New.
7708 (FOR_EACH_CALL_EXPR_ARG): New.
7710 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
7711 and tcc_gimple_stmt.
7712 (tree_code_size): Update documentation. Use sizeof (tree) rather
7713 than sizeof (char *).
7714 (tree_size): Likewise. Add case for tcc_vl_exp.
7715 (tree_node_structure): Add case for tcc_vl_exp.
7716 (contains_placeholder_p): Likewise.
7717 (substitute_in_expr): Likewise.
7718 (substitute_placeholder_in_expr): Likewise.
7719 (stabilize_reference_1): Likewise.
7720 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
7721 to diagnose breakage of this interface for constructing CALL_EXPRs.
7722 (build_nt): Add similar assertion here.
7723 (build_nt_call_list): New.
7724 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
7725 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
7727 (get_callee_fndecl): Use new CALL_EXPR accessors.
7728 (tree_operand_check_failed): Change parameters to pass entire node
7729 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
7730 (process_call_operands): New.
7731 (build_vl_exp_stat): New.
7732 (build_call_list): New.
7733 (build_call_nary): New.
7734 (build_call_valist): New.
7735 (build_call_array): New.
7736 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7737 (call_expr_arglist): New.
7739 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
7740 tcc_vl_exp instead of a fixed-size tcc_expression.
7742 * doc/c-tree.texi (CALL_EXPR): Document new representation and
7743 accessors for CALL_EXPRs.
7744 (AGGR_INIT_EXPR): Likewise.
7746 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7747 Brooks Moses <brooks.moses@codesourcery.com>
7748 Lee Millward <lee.millward@codesourcery.com>
7750 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
7751 (expand_builtin_nonlocal_goto): Change parameter to be entire
7752 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
7753 (expand_builtin_prefetch): Likewise.
7754 (expand_builtin_classify_type): Likewise.
7755 (mathfn_built_in): Return NULL_TREE instead of 0.
7756 (expand_errno_check): Use new CALL_EXPR accessors.
7757 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
7758 Return NULL_RTX instead of 0.
7759 (expand_builtin_mathfn_2): Likewise.
7760 (expand_builtin_mathfn_3): Likewise.
7761 (expand_builtin_interclass_mathfn): Likewise.
7762 (expand_builtin_sincos): Likewise.
7763 (expand_builtin_cexpi): Likewise.
7764 (expand_builtin_int_roundingfn): Likewise.
7765 (expand_builtin_int_roundingfn_2): Likewise.
7766 (expand_builtin_pow): Likewise.
7767 (expand_builtin_powi): Likewise.
7768 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
7769 of arglist, fixing callers appropriately. Use new CALL_EXPR
7770 accessors and constructors. Return NULL_RTX instead of 0.
7771 (expand_builtin_strstr): Likewise.
7772 (expand_builtin_strchr): Likewise.
7773 (expand_builtin_strrchr): Likewise.
7774 (expand_builtin_strpbrk): Likewise.
7775 (expand_builtin_memcpy): Likewise.
7776 (expand_builtin_mempcpy): Likewise.
7777 (expand_builtin_mempcpy_args): New.
7778 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
7779 (expand_builtin_memmove_args): New.
7780 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
7781 (expand_movstr): Likewise.
7782 (expand_builtin_strcpy): Likewise.
7783 (expand_builtin_strcpy_args): New.
7784 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
7785 (expand_builtin_strncpy): Likewise.
7786 (expand_builtin_memset): Likewise.
7787 (expand_builtin_memset_args): New.
7788 (expand_builtin_bzero): Similarly to expand_builtin_memset.
7789 (expand_builtin_memcmp): Likewise.
7790 (expand_builtin_strcmp): Likewise.
7791 (expand_builtin_strncmp): Likewise.
7792 (expand_builtin_strcat): Likewise.
7793 (expand_builtin_strncat): Likewise.
7794 (expand_builtin_strspn): Likewise.
7795 (expand_builtin_strcspn): Likewise.
7796 (expand_builtin_args_info): Likewise.
7797 (expand_builtin_va_start): Likewise.
7798 (gimplify_va_arg_expr): Likewise.
7799 (expand_builtin_va_end): Likewise.
7800 (expand_builtin_va_copy): Likewise.
7801 (expand_builtin_frame_address): Likewise.
7802 (expand_builtin_alloca): Likewise.
7803 (expand_builtin_bswap): Likewise.
7804 (expand_builtin_unop): Likewise.
7805 (expand_builtin_fputs): Likewise.
7806 (expand_builtin_expect): Likewise.
7807 (expand_builtin_fabs): Likewise.
7808 (expand_builtin_copysign): Likewise.
7809 (expand_builtin_printf): Likewise.
7810 (expand_builtin_fprintf): Likewise.
7811 (expand_builtin_sprintf): Likewise.
7812 (expand_builtin_init_trampoline): Likewise.
7813 (expand_builtin_signbit): Likewise.
7814 (expand_builtin_fork_or_exec): Likewise.
7815 (expand_builtin_sync_operation): Likewise.
7816 (expand_builtin_compare_and_swap): Likewise.
7817 (expand_builtin_lock_test_and_set): Likewise.
7818 (expand_builtin_lock_release): Likewise.
7819 (expand_builtin): Likewise.
7820 (builtin_mathfn_code): Likewise.
7822 (fold_builtin_constant_p): Pass call arguments individually instead
7823 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7824 accessors and constructors. Return NULL_TREE instead of 0.
7825 (fold_builtin_expect): Likewise.
7826 (fold_builtin_classify_type): Likewise.
7827 (fold_builtin_strlen): Likewise.
7828 (fold_builtin_nan): Likewise.
7829 (integer_valued_real_p): Likewise.
7830 (fold_trunc_transparent_mathfn): Likewise.
7831 (fold_fixed_mathfn): Likewise.
7832 (fold_builtin_cabs): Likewise.
7833 (fold_builtin_sqrt): Likewise.
7834 (fold_builtin_cbrt): Likewise.
7835 (fold_builtin_cos): Likewise.
7836 (fold_builtin_cosh): Likewise.
7837 (fold_builtin_tan): Likewise.
7838 (fold_builtin_sincos): Likewise.
7839 (fold_builtin_cexp): Likewise.
7840 (fold_builtin_trunc): Likewise.
7841 (fold_builtin_floor): Likewise.
7842 (fold_builtin_ceil): Likewise.
7843 (fold_builtin_round): Likewise.
7844 (fold_builtin_int_roundingfn): Likewise.
7845 (fold_builtin_bitop): Likewise.
7846 (fold_builtin_bswap): Likewise.
7847 (fold_builtin_logarithm): Likewise.
7848 (fold_builtin_hypot): Likewise.
7849 (fold_builtin_pow): Likewise.
7850 (fold_builtin_powi): Likewise.
7851 (fold_builtin_exponent): Likewise.
7852 (fold_builtin_memset): Likewise.
7853 (fold_builtin_bzero): Likewise.
7854 (fold_builtin_memory_op): Likewise.
7855 (fold_builtin_bcopy): Deleted; call site changed to invoke
7856 fold_builtin_memory_op directly.
7857 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
7858 (fold_builtin_strncpy): Likewise.
7859 (fold_builtin_memcmp): Likewise.
7860 (fold_builtin_strcmp): Likewise.
7861 (fold_builtin_strncmp): Likewise.
7862 (fold_builtin_signbit): Likewise.
7863 (fold_builtin_copysign): Likewise.
7864 (fold_builtin_isascii): Likewise.
7865 (fold_builtin_toascii): Likewise.
7866 (fold_builtin_isdigit): Likewise.
7867 (fold_builtin_fabs): Likewise.
7868 (fold_builtin_abs): Likewise.
7869 (fold_builtin_fmin_fmax): Likewise.
7870 (fold_builtin_carg): Likewise.
7871 (fold_builtin_classify): Likewise.
7872 (fold_builtin_unordered_cmp): Likewise.
7874 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
7875 New functions split out from fold_builtin_1.
7876 (fold_builtin_n): New.
7877 (fold_builtin_varargs): New.
7878 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
7880 (fold_call_expr): New.
7881 (build_function_call_expr): Rewrite to use new helper function.
7882 (fold_builtin_call_list): New.
7883 (build_call_expr): New.
7884 (fold_builtin_call_valist): New.
7885 (rewrite_call_expr): New.
7886 (validate_arg): New.
7887 (validate_arglist): Change parameter to be entire CALL_EXPR instead
7888 of an arglist. Change return type to bool. Use new CALL_EXPR
7891 (fold_builtin_strstr): Pass call arguments individually instead
7892 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7893 accessors and constructors. Return NULL_TREE instead of 0.
7894 (fold_builtin_strchr): Likewise.
7895 (fold_builtin_strrchr): Likewise.
7896 (fold_builtin_strpbrk): Likewise.
7897 (fold_builtin_strcat): Likewise.
7898 (fold_builtin_strncat): Likewise.
7899 (fold_builtin_strspn): Likewise.
7900 (fold_builtin_strcspn): Likewise.
7901 (fold_builtin_fputs): Likewise.
7902 (fold_builtin_next_arg): Likewise.
7903 (fold_builtin_sprintf): Likewise.
7905 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
7906 NULL_RTX instead of 0.
7907 (expand_builtin_memory_chk): Likewise.
7908 (maybe_emit_chk_warning): Likewise.
7909 (maybe_emit_sprintf_chk_warning): Likewise.
7911 (fold_builtin_object_size): Pass call arguments individually instead
7912 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
7913 accessors and constructors. Return NULL_TREE instead of 0.
7914 (fold_builtin_memory_chk): Likewise.
7915 (fold_builtin_stxcpy_chk): Likewise.
7916 (fold_builtin_strncpy_chk): Likewise.
7917 (fold_builtin_strcat_chk): Likewise.
7918 (fold_builtin_strcat_chk): Likewise.
7919 (fold_builtin_strncat_chk): Likewise.
7920 (fold_builtin_sprintf_chk): Likewise.
7921 (fold_builtin_snprintf_chk): Likewise.
7922 (fold_builtin_printf): Likewise.
7923 (fold_builtin_vprintf): Likewise.
7925 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
7927 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
7928 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7929 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
7930 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
7931 (fold_unary): Likewise.
7932 (fold_binary): Likewise.
7933 (fold_ternary): Remove CALL_EXPR case, since they are no longer
7934 ternary expressions.
7935 (fold): Add logic for tcc_vl_exp.
7936 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
7937 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7938 (fold_build3_stat): Add assertion to flag broken interface for
7939 constructing CALL_EXPRs.
7940 (fold_build_call_list): New.
7941 (fold_build_call_list_initializer): New.
7942 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
7944 (fold_strip_sign_ops): Likewise.
7946 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
7947 Brooks Moses <brooks.moses@codesourcery.com>
7948 Lee Millward <lee.millward@codesourcery.com>
7950 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
7951 accessors and dump arguments explicitly.
7953 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
7955 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
7957 (print_call_name): Use new CALL_EXPR accessors.
7959 * print-tree.c (print_node): Add case tcc_vl_exp. Print
7960 CALL_EXPR arguments explicitly instead of as a list. Use
7961 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7963 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
7964 (vrp_visit_stmt): Likewise.
7966 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
7967 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
7969 (force_move_till_expr): Likewise.
7971 * targhooks.c (default_external_stack_protect_fail): Use
7972 build_call_expr instead of build_function_call_expr.
7973 (default_hidden_stack_protect_fail): Likewise.
7975 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
7978 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
7979 and walk arguments explicitly.
7981 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
7982 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
7983 (expand_simple_operations): Likewise.
7984 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
7986 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
7987 of TREE_CODE_LENGTH.
7988 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
7990 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
7991 instead of TREE_CODE_LENGTH.
7993 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
7994 (tree_ic_transform): Likewise.
7995 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
7996 parameter instead of arglist. Fix callers.
7997 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
7998 (tree_stringops_transform): Likewise.
7999 (tree_indirect_call_to_profile): Likewise.
8000 (tree_stringops_values_to_profile): Likewise.
8002 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
8003 (eliminate_tail_call): Likewise.
8005 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
8007 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
8008 Use TREE_OPERAND_LENGTH and generalize to handle any number of
8010 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
8012 * omp-low.c (build_omp_barrier): Use build_call_expr.
8013 (lower_rec_input_clauses): Likewise.
8014 (lower_reduction_clauses): Likewise.
8015 (expand_parallel_call): Likewise.
8016 (maybe_catch_exception): Likewise.
8017 (expand_omp_for_generic): Likewise.
8018 (expand_omp_for_static_nochunk): Likewise.
8019 (expand_omp_sections): Likewise.
8020 (lower_omp_single_simple): Likewise.
8021 (lower_omp_single_copy): Likewise.
8022 (lower_omp_master): Likewise.
8023 (lower_omp_ordered): Likewise.
8024 (lower_omp_critical): Likewise.
8026 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
8027 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
8029 * tree-gimple.c (is_gimple_call_addr): Fix doc.
8030 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
8031 TREE_CODE_LENGTH. Add tcc_vl_exp case.
8033 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
8034 and generalize to handle any number of operands.
8035 (chrec_contains_undetermined): Likewise.
8036 (tree_contains_chrecs): Likewise.
8037 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
8039 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
8041 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
8042 fold_call_expr instead of fold_builtin.
8043 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
8044 match declarations there.
8045 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
8048 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
8049 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
8051 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
8052 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
8054 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
8057 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
8058 (execute_cse_sincos): Use new CALL_EXPR accessors.
8060 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
8062 * gimple-low.c (lower_function_body): Use build_call_expr.
8063 (lower_builtin_setjmp): Likewise.
8065 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
8066 (set_storage_via_libcall): Likewise.
8067 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
8068 instead of TREE_CODE_LENGTH.
8069 (expand_expr_real_1): Use new CALL_EXPR accessors.
8071 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
8072 generalize to handle any number of operands.
8073 (TB_parent_eq): Likewise.
8075 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
8076 (strip_builtin_expect): Likewise.
8078 * function.c (gimplify_parameters): Use build_call_expr.
8080 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
8081 instead of TREE_CODE_LENGTH.
8083 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
8084 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
8086 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
8089 * gimplify.c (build_stack_save_restore): Use build_call_expr.
8090 (gimplify_decl_expr): Likewise.
8091 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
8092 Use new CALL_EXPR iterators.
8093 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
8094 (gimplify_modify_expr_to_memset): Likewise.
8095 (gimplify_variable_sized_compare): Likewise.
8096 (gimplify_omp_atomic_fetch_op): Likewise.
8097 (gimplify_omp_atomic_pipeline): Likewise.
8098 (gimplify_omp_atomic_mutex): Likewise.
8099 (gimplify_function_tree): Likewise.
8101 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
8102 (call_expr_flags): Likewise.
8103 (expand_call): Likewise.
8105 * except.c (expand_builtin_eh_return_data_regno): Pass entire
8106 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
8109 * coverage.c (create_coverage): Use build_call_expr.
8111 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
8112 (temp_call_expr_obstack): New.
8113 (pool_copy_list): Delete.
8114 (temp_copy_call_expr): New.
8115 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
8116 CALL_EXPR accessors. Get rid of special goo for copying argument
8117 lists and use temp_copy_call_expr instead.
8118 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
8119 CALL_EXPR accessors.
8120 (create_expression_by_pieces): Likewise. Use build_call_array
8121 to construct the result instead of fold_build3.
8122 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
8123 dealing with argument lists.
8124 (init_pre): Remove references to expression_node_pool and
8125 list_node_pool. Init temp_call_expr_obstack instead.
8126 (fini_pre): Remove references to expression_node_pool and
8129 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
8130 and walk arguments explicitly instead of as a list.
8132 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
8133 (mx_register_decls): Likewise.
8134 (mudflap_register_call): Likewise.
8135 (mudflap_finish_file): Likewise.
8137 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
8138 (ipa_callsite_compute_param): Likewise.
8140 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
8141 accessors and constructor.
8143 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
8144 accessors and constructor.
8145 (convert_tramp_reference): Likewise.
8146 (convert_call_expr): Likewise.
8147 (finalize_nesting_tree_1): Likewise.
8149 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
8152 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
8154 * tree-inline.c (initialize_inlined_parameters): Pass entire
8155 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
8157 (estimate_num_insns_1): Use new CALL_EXPR accessors.
8158 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
8160 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
8161 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
8162 (vectorizable_reduction): Likewise.
8163 (vectorizable_call): Use new CALL_EXPR iterators.
8164 (vectorizable_conversion): Use build_call_expr.
8165 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
8166 (vect_gen_widened_results_half): Use build_call_expr.
8167 (vect_setup_realignment): Likewise.
8168 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
8170 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
8171 (pass_through_call): Likewise.
8172 (compute_object_sizes): Likewise. Use fold_call_expr instead of
8175 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
8176 (tree_gen_pow2_profiler): Likewise.
8177 (tree_gen_one_value_profiler): Likewise.
8178 (tree_gen_ic_func_profiler): Likewise.
8179 (tree_gen_average_profiler): Likewise.
8180 (tree_gen_ior_profiler): Likewise.
8182 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
8183 (find_func_aliases): Use new CALL_EXPR accessors. Add case
8184 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
8186 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
8187 of TREE_CODE_LENGTH.
8189 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
8190 of TREE_CODE_LENGTH.
8192 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
8194 (convert_to_integer): Likewise.
8196 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
8199 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
8200 Brooks Moses <brooks.moses@codesourcery.com>
8201 Lee Millward <lee.millward@codesourcery.com>
8203 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
8205 * config/frv/frv.c (frv_expand_builtin): Likewise.
8206 * config/s390/s390.c (s390_expand_builtin): Likewise.
8208 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
8209 (sparc_expand_builtin): Use new CALL_EXPR accessors.
8211 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
8212 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
8213 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
8214 (ix86_expand_store_builtin): Likewise.
8215 (ix86_expand_unop_builtin): Likewise.
8216 (ix86_expand_unop1_builtin): Likewise.
8217 (ix86_expand_sse_compare): Likewise.
8218 (ix86_expand_sse_comi): Likewise.
8219 (ix86_expand_vec_init_builtin): Likewise.
8220 (ix86_expand_vec_ext_builtin): Likewise.
8221 (ix86_expand_vec_set_builtin): Likewise.
8222 (ix86_expand_builtin): Use new CALL_EXPR accessors.
8224 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
8225 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
8227 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
8228 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
8229 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
8231 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
8233 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
8234 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
8235 arglist. Use new CALL_EXPR accessors. Fix callers.
8236 (altivec_expand_abs_builtin): Likewise.
8237 (rs6000_expand_binop_builtin): Likewise.
8238 (altivec_expand_predicate_builtin): Likewise.
8239 (altivec_expand_lv_builtin): Likewise.
8240 (spe_expand_stv_builtin): Likewise.
8241 (altivec_expand_stv_builtin): Likewise.
8242 (rs6000_expand_ternop_builtin): Likewise.
8243 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
8244 (altivec_expand_st_builtin): Likewise.
8245 (altivec_expand_dst_builtin): Likewise.
8246 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
8247 arglist. Use new CALL_EXPR accessors. Fix callers.
8248 (altivec_expand_vec_set_builtin): Likewise.
8249 (altivec_expand_vec_ext_builtin): Likewise.
8250 (altivec_expand_builtin): Use new CALL_EXPR accessors.
8251 (spe_expand_builtin): Likewise.
8252 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
8253 arglist. Use new CALL_EXPR accessors. Fix callers.
8254 (spe_expand_evsel_builtin): Likewise.
8255 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
8256 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
8258 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
8259 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
8260 (arm_expand_unop_builtin): Likewise.
8261 (arm_expand_builtin): Use new CALL_EXPR accessors.
8263 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
8266 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
8267 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
8268 (bfin_expand_unop_builtin): Likewise.
8269 (bfin_expand_builtin): Use new CALL_EXPR accessors.
8271 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
8272 Brooks Moses <brooks.moses@codesourcery.com>
8273 Lee Millward <lee.millward@codesourcery.com>
8275 * c-semantics.c (build_stmt): Add internal diagnostic check.
8277 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
8278 accessors. Print arguments explicitly instead of as a list.
8280 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
8282 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
8283 (c_finish_omp_flish): Likewise.
8285 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
8286 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
8287 instead of TREE_CODE_LENGTH.
8288 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
8289 (c_warn_unused_result): Likewise.
8291 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8294 * doc/invoke.texi (Warning Options): Remove
8295 -Werror-implicit-function-declaration.
8296 (Wimplicit-function-declaration): Update description.
8297 * opts.c (common_handle_option): Move handling of -Werror=* to...
8298 (enable_warning_as_error): ...here.
8299 * opts.h (enable_warning_as_error): Declare.
8300 * c-decl.c (implicit_decl_warning): Unless
8301 -Wno-implicit-function-declaration is given, emit a pedwarn if
8302 -std=c99 or emit a warning if -Wimplicit-function-declaration.
8303 * c.opt (Wimplicit-function-declaration): Replace
8304 mesg_implicit_function_declaration with
8305 warn_implicit_function_declaration.
8306 * c-opts.c (c_common_handle_option):
8307 -Werror-implicit-function-declaration is exactly equal as
8308 -Werror=implicit-function-declaration.
8309 (set_Wimplicit): Replace mesg_implicit_function_declaration with
8310 warn_implicit_function_declaration.
8311 (c_common_post_options): -Wimplict-function-declaration is enabled
8312 by default by -std=c99, otherwise is disabled by default.
8313 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
8315 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
8317 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
8318 DECL on the rhs to a DECL on the lhs for debug info purposes if the
8319 former is ignored but not the latter.
8321 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
8323 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
8324 is made and the reference doesn't use the alias set of its type,
8325 do not create the temporary using that type.
8327 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
8329 * jump.c: Remove prototypes for delete_computation and
8330 delete_prior_computation.
8332 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
8334 * jump.c (get_label_after): Delete.
8335 (get_label_before, delete_computation, delete_jump,
8336 delete_prior_computation, follow_jumps): Move...
8337 * reorg.c (delete_computation, delete_prior_computation): ... here...
8338 (get_label_before, delete_jump): ... making these static ...
8339 (follow_jumps): ... and simplifying this since it only runs after
8341 * rtl.h (get_label_after, get_label_before, delete_jump,
8342 follow_jumps): Delete prototypes.
8344 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
8346 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
8348 2007-02-15 Nick Clifton <nickc@redhat.com>
8350 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
8351 order to prevent it from being munged by the target.
8353 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
8355 * config/i386/i386.md: Remove misleading comment.
8357 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
8359 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
8360 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
8363 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
8365 * tree-sra.c (instantiate_missing_elements): Canonicalize
8367 (sra_build_assignment): New.
8368 (generate_copy_inout, generate_element_copy,
8369 generate_element_zero, generate_one_element_init): Use it.
8371 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
8373 * tree-sra.c (instantiate_missing_elements): Canonicalize
8375 (sra_build_assignment): New.
8376 (generate_copy_inout, generate_element_copy,
8377 generate_element_zero, generate_one_element_init): Use it.
8379 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
8381 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
8384 2007-02-14 Joseph Myers <joseph@codesourcery.com>
8386 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
8387 types as aggregates not scalars.
8388 * function.c (assign_stack_temp_for_type): Likewise.
8390 2007-02-14 Roger Sayle <roger@eyesopen.com>
8391 Zdenek Dvorak <dvorakz@suse.cz>
8393 * tree-dump.c (dump_switch_p_1): Require exact match of the option
8396 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
8398 * passes.c (next_pass_1): Clear the next field of the copied
8401 2007-02-14 Richard Henderson <rth@redhat.com>
8403 * tree-sra.c (early_sra): New.
8404 (decl_can_be_decomposed_p): Deny va_list if early_sra.
8405 (tree_sra_early, pass_sra_early): New.
8406 * tree-pass.h (pass_sra_early): Declare.
8407 * passes.c (init_optimization_passes): Use it.
8409 2007-02-14 Richard Guenther <rguenther@suse.de>
8411 * flags.h (issue_strict_overflow_warning): Convert to a macro.
8413 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
8415 PR tree-optimization/30771
8416 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
8418 (vect_analyze_operations): Induction phis can now be marked as
8420 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
8421 Update documentation accordingly.
8423 2007-02-14 Nick Clifton <nickc@redhat.com>
8425 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
8426 most 3 arguments are supported.
8427 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
8429 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
8431 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
8432 Ensure dst->current is valid.
8434 2007-02-13 Paul Brook <paul@codesourcery.com>
8436 * config.gcc: Add arm*-*-uclinux-*eabi.
8437 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
8438 (SUBTARGET_EXTRA_LINK_SPEC): Define.
8439 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
8440 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
8441 (LINK_SPEC): Define.
8443 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
8445 * config/arm/uclinux-eabi.h: New file.
8446 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
8447 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
8450 2007-02-13 Ian Lance Taylor <iant@google.com>
8452 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
8453 * flags.h (warn_strict_overflow): Declare.
8454 (enum warn_strict_overflow_code): Define.
8455 (issue_strict_overflow_warning): New static inline function.
8456 * opts.c (warn_strict_overflow): New variable.
8457 (common_handle_option): Handle OPT_Wstrict_overflow and
8458 OPT_Wstrict_overflow_.
8459 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
8461 * fold-const.c: Include intl.h.
8462 (fold_deferring_overflow_warnings): New static variable.
8463 (fold_deferred_overflow_warning): New static variable.
8464 (fold_deferred_overflow_code): New static variable.
8465 (fold_defer_overflow_warnings): New function.
8466 (fold_undefer_overflow_warnings): New function.
8467 (fold_undefer_and_ignore_overflow_warnings): New function.
8468 (fold_deferring_overflow_warnings_p): New function.
8469 (fold_overflow_warning): New static function.
8470 (make_range): Add strict_overflow_p parameter. Change all
8472 (extract_muldiv, extract_muldiv_1): Likewise.
8473 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
8474 tree_expr_nonnegative_p.
8475 (fold_negate_expr): Call fold_overflow_warning.
8476 (fold_range_test): Likewise.
8477 (fold_comparison): Likewise.
8478 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
8479 instead of tree_expr_nonnegative_p.
8480 (tree_expr_nonnegative_warnv_p): Rename from
8481 tree_expr_nonnegative_p, add strict_overflow_p parameter.
8482 (tree_expr_nonnegative_p): New function.
8483 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
8484 strict_overflow_p parameter.
8485 (tree_expr_nonzero_p): New function.
8486 * passes.c (verify_interpass_invariants): New static function.
8487 (execute_one_pass): Call it.
8488 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
8490 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
8491 (estimate_numbers_of_iterations): Likewise.
8492 (scev_probably_wraps_p): Likewise.
8493 * tree-ssa-ccp.c: Include "toplev.h".
8494 (evaluate_stmt): Defer fold overflow warnings until we know we are
8496 (struct fold_stmt_r_data): Add stmt field.
8497 (fold_stmt_r): Defer fold overflow warnings until we know we
8499 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
8500 (fold_stmt_inplace): Likewise.
8501 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
8502 (cleanup_control_expr_graph): Defer fold overflow warnings until
8503 we know we are going to optimize.
8504 * tree-cfg.c (fold_cond_expr_cond): Likewise.
8505 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
8507 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
8508 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
8509 * tree-ssa-loop-manip.c (create_iv): Likewise.
8510 * c-typeck.c (build_conditional_expr): Likewise.
8511 (build_binary_op): Likewise.
8512 * tree-vrp.c (vrp_expr_computes_nonzero): Call
8513 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
8514 (extract_range_from_unary_expr): Likewise.
8515 * simplify-rtx.c (simplify_const_relational_operation): Warn when
8516 assuming that signed overflow does not occur.
8517 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
8518 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
8519 (fold_defer_overflow_warnings): Declare.
8520 (fold_undefer_overflow_warnings): Declare.
8521 (fold_undefer_and_ignore_overflow_warnings): Declare.
8522 (fold_deferring_overflow_warnings_p): Declare.
8523 (tree_expr_nonzero_warnv_p): Declare.
8524 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
8526 (Warning Options): Document -Wstrict-overflow.
8527 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
8528 (tree-ssa-ccp.o): Likewise.
8529 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
8530 (fold-const.o): Depend on intl.h.
8532 2007-02-13 Ian Lance Taylor <iant@google.com>
8535 * lower-subreg.c (resolve_simple_move): Decompose subregs in
8538 2007-02-13 Stuart Hastings <stuart@apple.com>
8540 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
8542 2007-02-13 Richard Henderson <rth@redhat.com>
8544 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
8545 handled_component_p before looking for the indirect_ref.
8547 2007-02-13 Richard Henderson <rth@redhat.com>
8549 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
8550 remove flags clobber.
8551 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
8552 (bswaphi_lowpart): New.
8553 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
8554 remove TARGET_BSWAP test. Delete expander of the same name.
8556 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
8557 (expand_unop): Use them.
8559 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
8561 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
8562 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
8563 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
8564 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
8565 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
8566 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
8567 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
8568 assembler dialect choice from asm templates.
8570 2007-02-12 Richard Henderson <rth@redhat.com>
8572 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
8573 (fixuns_trunc<SSEMODEF>si2): Use it.
8574 * config/i386/sse.md (vec_setv4sf_0): Export.
8575 * config/i386/i386.c (ix86_build_const_vector): Export.
8576 (ix86_split_convert_uns_si_sse): Rename from
8577 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
8578 * config/i386/i386-protos.h: Update.
8580 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8583 * c-typeck.c (c_finish_return): Improve warning message.
8585 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8587 * alias.c (find_symbolic_term): Delete unused function.
8589 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
8591 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
8592 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
8593 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
8595 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
8597 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
8598 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
8599 the function, temporarily point the debug interface to the null one.
8601 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
8603 * dwarf2out.c (round_up_to_align): New static function.
8604 (field_byte_offset): Use it to round the offset.
8606 2007-02-12 Richard Henderson <rth@redhat.com>
8608 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
8609 (inswl_const): Export.
8611 2007-02-12 Richard Henderson <rth@redhat.com>
8613 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
8614 result mode of the libcall, convert back to outmode.
8616 2007-02-12 Roger Sayle <roger@eyesopen.com>
8618 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
8619 (bswapdi2): New define_expand to implement 32-bit implementation.
8621 2007-02-12 Nick Clifton <nickc@redhat.com>
8623 * doc/invoke.texi (Overall Options): Document --help=.
8624 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
8625 (cc1_options): Pass --help= on to cc1.
8626 (display_help): Add description of --help=.
8627 (process_command): Add code to handle --help=. Allow translated
8628 --help and --target-help switches to be passed on to compiler
8630 (main): Remove unused if statement.
8631 * opts.c (columns): Remove.
8632 (LEFT_COLUMN): Define.
8633 (wrap_help): Add columns argument.
8634 (print_filtered_help): Change parameters to be an include bitmask,
8635 an exclude bitmask, an any bitmask and the column width. Move the
8636 code to display the params list here. Add code to display the
8637 status of options rather than their descriptions if the quiet flag
8639 (print_specific_help): Change parameters to be an include bitmask,
8640 an exclude bitmask and an any bitmask. Move code to look up the
8641 column width here. Decide upon the title for an options listing.
8642 (common_handle_options): Add code to handle --help=. Adapt code
8643 for --help and --target-help to use the revised form of the
8644 print_specific_help function.
8645 (print_help): Delete.
8646 (print_param_help): Delete.
8647 (print_switch): Delete.
8648 * opts.h (cl_lang_count): Add prototype.
8649 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
8650 CL_MAX_OPTION_CLASS): New defines.
8651 * optc-gen.awk: Add construction of cl_lang_count.
8652 * c.opt: Add Warning attribute to warning options and Optimization
8653 attribute to optimization options.
8654 * common.opt: Likewise.
8656 Add -fhelp and -ftarget-help as aliases for the transformed --help
8657 and --target-help options.
8658 * opt-functions.awk: Add code to handle Warning and Optimization
8661 2007-02-12 Richard Henderson <rth@redhat.com>
8663 * config/alpha/constraints.md: New file.
8664 * config/alpha/alpha.c: Include tm-constrs.h.
8665 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
8666 alpha_extra_constraint): Remove.
8667 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
8668 * config/alpha/alpha-protos.h: Update.
8669 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
8670 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
8671 (EXTRA_CONSTRAINT): Remove.
8672 * config/alpha/alpha.md: Include constraints.md.
8673 (adddi splitter): Use satisfies_constraint_*.
8674 * config/alpha/predicates.md (add_operand): Likewise.
8675 (sext_add_operand, addition_operation): Likewise.
8677 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
8679 PR tree-optimization/29145
8680 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
8681 in our handling of restrict qualified pointers.
8683 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8686 * doc/invoke.texi (Wunused-value): Update description.
8687 (Wextra): Delete item.
8688 * opts.c (set_Wextra): Don't use the value of Wextra to set the
8689 value of Wunused-value.
8690 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
8691 (c_finish_stmt_expr): Don't check extra_warnings.
8692 (emit_side_effect_warnings): The caller is responsible to check
8695 2007-02-11 Roger Sayle <roger@eyesopen.com>
8696 Matt Thomas <matt@3am-software.com>
8698 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
8700 2007-02-11 Roger Sayle <roger@eyesopen.com>
8702 * simplify-rtx.c (simplify_relational_operation_1): Optimize
8703 comparisons of POPCOUNT against zero.
8704 (simplify_const_relational_operation): Likewise.
8706 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8708 * doc/invoke.texi (Wextra): Delete outdated paragraph.
8710 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8712 * dwarf2out.c (root_type): Delete unused function.
8714 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8716 * genattrtab.c (contained_in_p): Delete unused function.
8717 (write_expr_attr_cache): Likewise.
8719 2007-02-11 Jan Hubicka <jh@suse.cz>
8721 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
8724 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
8726 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
8727 to add the REG_EQ* note.
8728 * see.c (see_merge_one_use_extension): Likewise.
8729 * local-alloc.c (update_equiv_regs): Likewise. Also don't
8730 turn REG_EQUAL notes into REG_EQUIV notes if the target
8731 register may have more than one set.
8732 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
8733 * gcse.c (try_replace_reg): Likewise.
8734 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
8735 * calls.c (fixup_tail_calls): Likewise. Abort if there is
8736 more than one REG_EQUIV note.
8737 * reload1.c (gen_reload): Use set_unique_reg_note.
8739 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
8741 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
8742 (ix86_builtin_conversion): New function.
8744 2007-02-06 Mark Mitchell <mark@codesourcery.com>
8747 * tree.h (DECL_REPLACEABLE_P): New macro.
8748 * except.c (set_nothrow_function_flags): Likewise.
8750 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
8751 Ira Rosen <irar@il.ibm.com>
8752 Dorit Nuzman <dorit@il.ibm.com>
8754 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
8755 * targhooks.c (default_builtin_vectorized_conversion): New.
8756 * targhooks.h (default_builtin_vectorized_function): New declaration.
8757 * target.h (struct vectorize): Add builtin_conversion field.
8758 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
8759 stmt_vec_info_type value.
8760 (vectorizable_conversion): New declaration.
8761 * tree-vect-analyze.c (vect_analyze_operations): Add
8762 vectorizable_conversion call.
8763 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
8764 * tree-vect-transform.c (vectorizable_conversion): New function.
8765 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
8766 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
8768 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
8769 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
8770 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
8771 or ALTIVEC_BUILTIN_VCFSX.
8773 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8776 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
8777 CONST_DOUBLE and operand 0 is a hard register.
8778 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
8779 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
8780 is a hard floating-point register.
8782 2007-02-10 Richard Henderson <rth@redhat.com>
8783 Jakub Jelinek <jakub@redhat.com>
8784 Alexandre Oliva <aoliva@redhat.com>
8786 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
8787 * builtin-types.def (BT_WORD): Make unsigned.
8788 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
8789 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
8790 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
8791 * c-decl.c (grokdeclarator): Don't error if !have_tls.
8792 * c-parser.c (c_parser_omp_threadprivate): Likewise.
8793 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
8795 * expr.c (emutls_var_address): New.
8796 (expand_expr_real_1): Expand emulated tls.
8797 (expand_expr_addr_expr_1): Likewise.
8798 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
8799 * output.h (emutls_finish): Declare.
8800 * toplev.c (compile_file): Call it.
8801 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
8802 address before wrapping in CONST.
8803 * varasm.c (emutls_htab, emutls_object_type): New.
8804 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
8805 (get_emutls_object_name, get_emutls_object_type): New.
8806 (get_emutls_init_templ_addr, emutls_decl): New.
8807 (emutls_common_1, emutls_finish): New.
8808 (assemble_variable): When emulating tls, swap decls; generate
8809 constructor for the emutls objects.
8810 (do_assemble_alias): When emulating tls, swap decl and target name.
8811 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
8813 * varpool.c (decide_is_variable_needed): Look at force_output.
8814 Recurse for emulated tls.
8815 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
8816 with decide_is_variable_needed.
8817 * emutls.c: New file.
8818 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
8819 tls_object for real tls.
8821 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
8823 PR rtl-optimization/29599
8824 * reload1.c (eliminate_regs_in_insn): Take the destination
8825 mode into account when computing the offset.
8827 2007-02-09 Stuart Hastings <stuart@apple.com>
8828 Richard Henderson <rth@redhat.com>
8830 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8831 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
8832 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
8833 fixuns_truncdfhi2): New.
8834 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
8835 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
8836 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
8837 (floatunssidf2): Allow nonimmediate source.
8838 * config/i386/sse.md (movdi_to_sse): New.
8839 (vec_concatv2di): Drop '*'.
8840 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
8841 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8842 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
8844 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
8845 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
8846 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
8847 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
8848 (ix86_build_signbit_mask): Fix decl of v, refactor to call
8849 ix86_build_const_vector.
8850 (x86_emit_floatuns): Rewrite.
8852 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
8854 * genautomata.c (longest_path_length): Delete unused function.
8855 (struct state): Delete unused longest_path_length.
8856 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
8857 (get_free_state): Delete unused.
8859 2007-02-09 Jan Hubicka <jh@suse.cz>
8861 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
8862 * doc/invoke.texi (inline-unit-growth): Update default value.
8864 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
8865 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
8866 (rebuild_cgraph_edges): Likewise.
8867 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
8868 (dump_cgraph_node): Dump frequencies.
8869 (cgraph_clone_edge): Add frequency scales.
8870 (cgraph_clone_node): Add freuqnecy.
8871 * cgraph.h (cgraph_edge): Add freuqnecy argument.
8872 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
8873 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
8874 * tree-pass.h (TODO_rebuild_frequencies): New constant.
8875 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
8876 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
8877 (save_inline_function_body): Likewise.
8878 * ipa-inline.c: inluce rtl.h
8879 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
8880 (cgraph_edge_badness): Use frequencies.
8881 (cgraph_decide_recursive_inlining): Update clonning.
8882 (cgraph_decide_inlining_of_small_function): Dump frequency.
8883 * predict.c (estimate_bb_frequencies): Export.
8884 * predict.h (estimate_bb_frequencies): Declare.
8885 * tree-inline.c (copy_bb): Watch overflows.
8886 (expand_call_inline): Update call of cgraph_create_edge.
8887 (optimize_inline_calls): Use TODO flags to update frequnecies.
8888 * passes.h: Include predict.h
8889 (init_optimization_passes): Move profile ahead.
8890 (execute_function_todo): Handle TODO_rebuild_frequencies.
8892 2007-02-09 Roger Sayle <roger@eyesopen.com>
8894 * config/alpha/alpha.c (emit_insxl): Force the first operand of
8895 the insbl or inswl pattern into a register.
8897 2007-02-09 Roger Sayle <roger@eyesopen.com>
8899 * config/ia64/ia64.md (bswapdi2): New define_insn.
8901 2007-02-09 Richard Henderson <rth@redhat.com>
8903 * config/i386/constraints.md (Ym): New constraint.
8904 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
8905 (movdi_1_rex64): Split sse and xmm general register moves from
8906 memory move alternatives. Use conditional register constraints.
8907 (movsf_1, movdf_integer): Likewise.
8908 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
8909 (movdf_integer_rex64): New.
8910 (pushsf_rex64): Fix output constraints.
8911 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
8912 (sse2_stored): Likewise.
8913 (sse2_storeq_rex64): New.
8914 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
8915 amd and not generic.
8916 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
8917 for optimize_size. Remove SF/DFmode hack.
8919 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
8921 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
8924 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
8925 Richard Sandiford <richard@codesourcery.com>
8927 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
8928 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
8929 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
8930 m68k/t-mlib to tmake_file.
8931 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
8932 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
8933 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
8934 Allow it to be cf or m68k. Set m68k_arch_family. If that
8935 variable is not empty, add t-$m68k_arch_family to tmake_file.
8936 Add t-mlibs to tmake_file.
8937 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
8938 * config/m68k/t-cf: New file.
8939 * config/m68k/t-m68k: Likewise.
8940 * config/m68k/t-mlibs: Likewise.
8941 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8942 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8943 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8944 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8945 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
8947 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
8948 (INSTALL_LIBGCC): Delete.
8949 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
8950 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8951 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8952 (M68K_MLIB_CPU): Define.
8953 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
8954 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
8955 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
8957 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
8958 Richard Guenther <rguenther@suse.de>
8961 * fold-const.c (fold_comparison): Handle obfuscated comparisons
8962 against INT_MIN/INT_MAX.
8963 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
8964 file if a loop is removed.
8966 2007-02-09 Joseph Myers <joseph@codesourcery.com>
8968 * calls.c (store_one_arg): Pass correct alignment to
8969 emit_push_insn for non-BLKmode values.
8970 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
8971 unaligned stack slot via a suitably aligned slot.
8973 2007-02-08 DJ Delorie <dj@redhat.com>
8975 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
8977 (legal_subregs): Use unsigned char, make const.
8978 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
8980 2007-02-08 Paul Brook <paul@codesourcery.com>
8982 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
8983 special interworking needed.
8985 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
8987 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
8988 conditional to __SSE2__.
8989 (Entries below should have been added to first ChangeLog
8990 entry for amdfam10 dated 2007-02-05)
8991 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
8993 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
8995 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
8998 2007-02-08 DJ Delorie <dj@redhat.com>
9000 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
9001 * config/m32c/m32c.c (legal_subregs): New.
9002 (m32c_illegal_subreg_p): New.
9003 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
9004 unsupported subregs of hard regs.
9006 2007-02-08 Jan Hubicka <jh@suse.cz>
9008 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
9009 the same one; always update histograms.
9011 2007-02-08 Diego Novillo <dnovillo@redhat.com>
9013 * passes.c (init_optimization_passes): Tidy comment.
9015 2007-02-08 Roger Sayle <roger@eyesopen.com>
9017 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
9018 strip zero_extend, bswap and rotates from POCOUNT's argument.
9019 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
9020 zero_extend and rotates from PARITY's argument.
9021 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
9022 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
9023 of an integer constant at compile-time.
9025 2007-02-08 Diego Novillo <dnovillo@redhat.com>
9028 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
9030 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
9033 * tree-ssa-live.c (remove_unused_locals): Do not remove
9034 TREE_ADDRESSABLE variables.
9035 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
9036 * tree-ssa-operands.c (add_virtual_operand): Remove argument
9037 FOR_CLOBBER. Update all users.
9038 If VAR has an associated alias set, add a virtual operand for
9039 it if no alias is found to conflict with the memory reference.
9041 2007-02-07 Jan Hubicka <jh@suse.cz>
9042 Robert Kidd <rkidd@crhc.uiuc.edu>
9044 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
9046 2007-02-07 Ian Lance Taylor <iant@google.com>
9048 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
9050 2007-02-07 Roger Sayle <roger@eyesopen.com>
9052 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
9053 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
9054 tablejumpdi, movsi_to_cr_one): Remove constraints from
9055 define_expand's match_operands.
9057 2007-02-07 Roger Sayle <roger@eyesopen.com>
9059 * global.c (compute_regsets): Move declatation of "i" inside of
9060 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
9062 2007-02-07 Jakub Jelinek <jakub@redhat.com>
9065 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
9066 of INDIRECT_REF <RESULT_DECL>.
9068 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
9070 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
9071 Kaz Kojima <kkojima@gcc.gnu.org>
9074 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
9076 (sh_initialize_trampoline): Add parentheses to avoid a warning.
9078 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
9080 * doc/loop.texi: Document possibility not to perform disambiguation
9081 of loops with multiple latches.
9082 * cfgloopmanip.c (alp_enum_p): Removed.
9083 (add_loop): Handle subloops. Use get_loop_body_with_size.
9084 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
9085 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
9086 the new forwarder block.
9087 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
9088 Handle the case latch is NULL.
9089 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
9090 when marking loop exits.
9091 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
9093 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
9094 disambiguate_loops_with_multiple_latches.
9095 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
9096 before fix_loop_structure.
9097 * cfgloop.c: Include pointer-set.h and output.h.
9098 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
9099 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
9100 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
9101 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
9102 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
9103 disambiguate_multiple_latches, get_loop_body_with_size,
9104 disambiguate_loops_with_multiple_latches): New functions.
9105 (flow_loop_dump): Dump multiple latch edges.
9106 (flow_loop_nodes_find): Handle loops with multiple latches.
9107 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
9108 (glb_enum_p): Modified.
9109 (get_loop_body): Use get_loop_body_with_size.
9110 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
9111 (AVOID_CFG_MODIFICATIONS): New constant.
9112 (disambiguate_loops_with_multiple_latches, add_loop,
9113 get_loop_body_with_size): Declare.
9114 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
9116 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
9119 * global.c (compute_regsets): New function.
9120 (global_alloc): Refactored ELIMINABLE_REGSET
9121 and NO_GLOBAL_ALLOC_REGS computation out.
9122 (rest_of_handle_global_alloc): Call compute_regsets()
9123 for non-optimizing case.
9125 2007-02-06 Richard Henderson <rth@redhat.com>
9127 * config/i386/constraints.md (Y2): Rename from Y.
9128 (Yi): New constraint.
9129 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
9130 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
9131 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
9132 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
9133 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
9134 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
9135 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
9136 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
9137 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
9138 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
9139 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
9140 vec_extractv2si_1): Change Y constraints to Y2.
9141 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
9142 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
9143 Change Y constraints to Y2.
9144 (sse2_loadld): Change Y constraints to x.
9146 2007-02-06 Roger Sayle <roger@eyesopen.com>
9148 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
9149 (parity<mode>2): New define_expand using rs6000_emit_parity.
9150 * config/rs6000/rs6000.c (rs6000_emit_popcount,
9151 rs6000_emit_parity): New functions.
9152 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
9153 rs6000_emit_parity): Prototype here.
9155 2007-02-06 Ian Lance Taylor <iant@google.com>
9157 * lower-subreg.c (simple_move_operand): Reject CONST.
9158 (resolve_clobber): Call validate_change rather than directly
9159 assigning to XEXP (pat, 0).
9161 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
9163 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
9164 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
9165 (tree-cfg.o): Remove hashtab.h dependency.
9167 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
9168 (struct ivopts_data): Change niters to pointer_map_t.
9169 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
9170 (niter_for_exit): Create pointer_map on demand. Change for
9172 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
9173 (free_loop_data): Destroy data->niters if created and reset field.
9174 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
9175 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
9177 * tree-ssa-reassoc.c: Include pointer-set.h.
9178 (bb_rank): Change to long *.
9179 (operand_rank): Change to pointer_map_t.
9180 (find_operand_rank): Return long, -1 if not found. Declare as inline.
9181 (insert_operand_rank): Accept long.
9182 (operand_entry_hash, operand_entry_eq): Remove.
9183 (get_rank): Return long. Adjust for changes above.
9184 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
9186 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
9188 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
9189 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
9190 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
9192 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
9193 directly since it cannot be NULL.
9194 (get_vi_for_tree): Rewrite for pointer_map API.
9195 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
9196 (init_alias_vars): Create vi_for_tree as pointer_map.
9197 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
9199 * tree-cfg.c: Don't include hashtab.h.
9200 (edge_to_cases): Declare as pointer_map.
9201 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
9203 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
9204 (start_recording_case_labels): Create edge_to_cases as pointer_map.
9205 (end_recoding_case_labels): Cleanup edge_to_cases manually before
9207 (record_switch_edge): Delete.
9208 (get_cases_for_edge): Adjust for pointer_map API, inline
9209 record_switch_edge (rewritten for new API), remove goto.
9211 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
9213 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
9214 * tree-nested.c: Include pointer-set.h.
9215 (var_map_elt, var_map_eq, var_map_hash): Delete.
9216 (struct nesting_info): Remove GTY marker. Change the two htab_t's
9218 (nesting_info_bitmap_obstack): New.
9219 (lookup_field_for_decl): Adjust for pointer_map API.
9220 (lookup_tramp_for_decl): Adjust for pointer_map API.
9221 (get_nonlocal_debug_decl): Adjust for pointer_map API.
9222 (get_local_debug_decl): Adjust for pointer_map API.
9223 (convert_nl_goto_reference): Adjust for pointer_map API.
9224 (convert_nl_goto_receiver): Adjust for pointer_map API.
9225 (create_nesting_tree): Create outside GGC space. Create bitmap on
9226 the new obstack. Create field_map and var_map as pointer_maps.
9227 (free_nesting_tree): Adjust for changes to create_nesting_tree.
9229 (lower_nested_functions): Move root here, no need to NULL it.
9230 Initialize and release the obstack.
9232 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
9234 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
9235 Remove prototypes and make them non-static.
9236 (struct tree_int_map): Remove.
9237 * tree.h (struct tree_int_map): Move here, turning TO into an
9239 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
9241 * tree.h (TREE_COMPLEXITY): Remove.
9242 (struct tree_exp): Remove complexity field.
9243 * tree.c (build1_stat): Don't set it.
9245 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
9246 Victor Kaplansky <victork@il.ibm.com>
9248 * tree-vectorizer.c (vect_is_simple_use): Support induction.
9249 (vect_is_simple_reduction): Support reduction with induction as
9250 one of the operands.
9251 (vect_is_simple_iv_evolution): Fix formatting.
9252 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
9253 formatting. Don't mark induction phis for vectorization.
9254 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
9255 * tree-vect-transform.c (get_initial_def_for_induction): New function.
9256 (vect_get_vec_def_for_operand): Support induction.
9257 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
9259 (vectorizable_reduction): Support reduction with induction as one of
9261 (vectorizable_type_demotion): Use def-type of stmt argument rather
9262 than dummy def-type.
9264 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
9265 flag_tree_scev_cprop.
9266 * common.opt (tree-scev-cprop): New flag.
9268 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
9269 call to vect_get_new_vect_var.
9271 2007-02-06 Ira Rosen <irar@il.ibm.com>
9273 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
9274 vectype is not NULL.
9275 (vect_pattern_recog_1): Likewise.
9277 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9279 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
9280 (fold_negate_expr): Likewise.
9282 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
9285 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
9286 even if cv-qualification is the same.
9288 2007-02-05 Geoffrey Keating <geoffk@apple.com>
9290 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
9291 __enable_execute_stack on completion.
9293 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9295 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
9296 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
9297 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
9298 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
9299 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
9300 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
9301 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
9302 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
9304 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9306 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
9307 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
9308 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
9309 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
9310 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
9311 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
9312 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
9313 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
9314 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
9315 umuldi3_highpart_rex64, umulsi3_highpart_insn,
9316 umulsi3_highpart_zext, smuldi3_highpart_rex64,
9317 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
9318 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
9319 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
9320 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
9321 sqrtextenddfxf2_i387): Added amdfam10_decode.
9323 * config/i386/athlon.md (athlon_idirect_amdfam10,
9324 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
9325 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
9326 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
9327 athlon_ivector_store_amdfam10): New define_insn_reservation.
9328 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
9331 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9333 * config/i386/athlon.md (athlon_call_amdfam10,
9334 athlon_pop_amdfam10, athlon_lea_amdfam10): New
9335 define_insn_reservation.
9336 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
9337 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
9338 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
9340 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9342 * config/i386/athlon.md (athlon_sseld_amdfam10,
9343 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
9344 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
9346 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9348 * config/i386/athlon.md (athlon_sseins_amdfam10): New
9349 define_insn_reservation.
9350 * config/i386/i386.md (sseins): Added sseins to define_attr type
9351 and define_attr unit.
9352 * config/i386/sse.md: Set type attribute to sseins for insertq
9355 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9357 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
9358 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
9359 ssecomi_load_amdfam10, ssecomi_amdfam10,
9360 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
9361 define_insn_reservation.
9362 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
9364 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9366 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
9367 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
9368 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
9369 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
9370 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
9371 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
9372 define_insn_reservation.
9374 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
9375 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
9376 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
9377 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
9378 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
9380 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9382 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
9383 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
9384 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
9385 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
9386 athlon_ssemul_load_k8): Added amdfam10.
9388 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9390 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
9391 (x86_sse_unaligned_move_optimal): New variable.
9393 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
9395 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
9396 for unaligned vector SSE double/single precision loads for AMDFAM10.
9398 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9400 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
9401 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
9402 Define TARGET_CPU_DEFAULT_amdfam10.
9403 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
9404 (processor_type): Add PROCESSOR_AMDFAM10.
9406 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
9407 processor_type in config/i386/i386.h.
9408 Enable imul peepholes for TARGET_AMDFAM10.
9410 * config.gcc: Add support for --with-cpu option for amdfam10.
9412 * config/i386/i386.c (amdfam10_cost): New variable.
9413 (m_AMDFAM10): New macro.
9414 (m_ATHLON_K8_AMDFAM10): New macro.
9415 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
9416 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
9417 x86_promote_QImode, x86_integer_DFmode_moves,
9418 x86_partial_reg_dependency, x86_memory_mismatch_stall,
9419 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
9420 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
9421 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
9422 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
9423 Enable/disable for amdfam10.
9424 (override_options): Add amdfam10_cost to processor_target_table.
9425 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
9426 processor_alias_table.
9427 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
9428 (ix86_adjust_cost): Add code for amdfam10.
9430 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
9432 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
9433 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
9434 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
9435 * config/i386/i386.h: Add builtin definition for SSE4A.
9436 * config/i386/i386.md: Add support for ABM instructions
9438 * config/i386/sse.md: Add support for SSE4A instructions
9439 (movntss, movntsd, extrq, insertq).
9440 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
9441 Add -march=amdfam10 flag.
9442 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
9443 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
9445 * doc/extend.texi: Add documentation for SSE4A builtins.
9447 2007-02-05 Bob Wilson <bob.wilson@acm.org>
9449 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
9451 2007-02-05 Richard Guenther <rguenther@suse.de>
9453 * tree-vectorizer.h (vectorizable_function): Add argument type
9454 argument, change return type.
9455 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
9456 * tree-vect-transform.c (vectorizable_function): Handle extra
9457 argument, return vectorized function decl.
9458 (build_vectorized_function_call): Remove.
9459 (vectorizable_call): Handle calls with result and argument types
9460 differing. Handle loop vectorization factor correctly.
9461 * targhooks.c (default_builtin_vectorized_function): Adjust for
9463 * targhooks.h (default_builtin_vectorized_function): Likewise.
9464 * target.h (builtin_vectorized_function): Add argument type
9466 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
9467 extra argument, allow vectorizing of lrintf.
9468 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
9469 documentation of target hook.
9471 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
9474 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
9475 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
9476 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
9478 2007-02-05 Roger Sayle <roger@eyesopen.com>
9480 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
9481 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
9482 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
9483 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
9484 before canonicalizing sincos to cexpi.
9485 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
9487 2007-02-05 Roger Sayle <roger@eyesopen.com>
9489 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
9490 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
9491 (alpha_init_builtins): Use alpha_add_builtins to process tables.
9493 2007-02-05 Roger Sayle <roger@eyesopen.com>
9495 * mips-tfile.c (initialize_init_file): Correct endianness test.
9497 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
9499 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
9502 2007-02-05 Richard Sandiford <richard@codesourcery.com>
9504 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
9505 saves in a PARALLEL before the register assignments.
9507 2007-02-05 Richard Sandiford <richard@codesourcery.com>
9509 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
9510 DWARF_FRAME_RETURN_COLUMN to be a general register.
9511 * dwarf2out.c (init_return_column_size): New function, split from...
9512 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
9513 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
9514 to be nongeneral registers.
9515 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
9517 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
9518 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
9520 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9522 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
9524 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
9526 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
9527 (remove_path): Use can_remove_branch_p and remove_branch instead
9528 of loop_delete_branch_edge.
9529 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
9530 (tree_transform_and_unroll_loop): Remove dead branches immediately.
9531 Update profile using scale_dominated_blocks_in_loop.
9532 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
9533 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
9534 (can_remove_branch_p, remove_branch): Declare.
9535 * tree-cfg.c (tree_can_remove_branch_p): New function.
9536 (tree_cfg_hooks): Add tree_can_remove_branch_p.
9537 * cfgrtl.c (rtl_can_remove_branch_p): New function.
9538 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
9540 2007-02-05 Jan Hubicka <jh@suse.cz>
9543 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
9544 nodes in cgraph, don't remove offline copy of the function.
9546 2007-02-04 Jan Hubicka <jh@suse.cz>
9548 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
9549 vectors might cause maybe_lookup_element_for_expr to be called
9550 on non-sra-candidate.
9552 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9554 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
9555 config/bfin/bfin.md, config/bfin/predicates.md: Follow
9556 spelling conventions.
9558 2007-02-04 Richard Guenther <rguenther@suse.de>
9561 * fold-const.c (try_move_mult_to_index): Make sure to not
9562 overflow one dimension of a multi-dimensional array access.
9564 2007-02-04 Jan Hubicka <jh@suse.cz>
9566 * passes.c (init_optimization_passes): Reindent.
9568 2007-02-04 Jan Hubicka <jh@suse.cz>
9569 Eric Botcazou <ebotcazou@adacore.com>
9571 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
9572 (execute_fixup_cfg): Break out the abnormal goto code.
9573 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
9574 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
9575 (optimize_inline_calls): Call make_nonlocal_label_edges.
9577 2007-02-04 Jan Hubicka <jh@suse.cz>
9579 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
9580 true when something was changed.
9581 (rename_ssa_copies): When something was changed, do
9582 TODO_remove_unused_locals.
9583 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
9584 add TODO_remove_unused_locals when instruction was removed.
9586 2007-02-04 Jan Hubicka <jh@suse.cz>
9588 * ipa-inline.c (try_inline): Improve debug output; work on already
9590 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
9591 call try_inline for already inlined edges too when flattening;
9592 inline also functions that make callee growth but overall unit size
9595 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9597 * config/m32c/bitops.md, config/m32c/jump.md,
9598 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
9599 config/m32r/m32r.h, config/m32r/m32r.md,
9600 config/m32r/predicates.md, config/m68hc11/larith.asm,
9601 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
9602 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
9603 config/mips/mips-protos.h, config/mips/mips.c,
9604 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
9605 config/mn10300/mn10300.h, config/mn10300/predicates.md,
9606 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
9607 spelling conventions.
9609 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
9610 Follow spelling conventions.
9612 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
9614 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
9615 warn about C++0x compatibility.
9617 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
9619 * config/h8300/h8300.c, config/h8300/h8300.h,
9620 config/h8300/h8300.md: Follow spelling conventions.
9622 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
9625 * combine.c (try_combine): Do not substitute source operand
9626 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
9628 2007-02-03 Jan Hubicka <jh@suse.cz>
9630 PR gcov-profile/30650
9631 * value-prof.c (stringop_block_profile): Fix handling of size counter;
9632 do not divide by zero for never executed counters.
9633 (tree_find_values_to_profile): Fix counters.
9634 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
9636 2007-02-03 Ian Lance Taylor <iant@google.com>
9638 * lower-subreg.c (simple_move_operand): New static function,
9639 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
9641 (simple_move): Call simple_move_operand.
9642 (find_decomposable_subregs): Add special handling of MEMs.
9643 (can_decompose_p): Rename from cannot_decompose_p. Reverse
9644 meaning of return value. If we see a hard register, test whether
9645 it can store a word_mode value. Change all callers.
9647 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9649 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
9650 ftrapv insns and expanders.
9651 (subdi3): Change define_expand operand 1 to arith11_operand, and
9652 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
9653 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
9654 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
9658 * varasm.c (notice_global_symbol): Treat global objects as weak when
9661 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9663 * emit-rtl.c (dconstpi): Delete.
9665 (init_emit_once): Delete dconstpi and init dconstsqrt2.
9666 * real.h (dconstpi): Delete.
9668 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
9669 (fold_builtin_hypot): Likewise.
9671 2007-02-03 Tom Tromey <tromey@redhat.com>
9674 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
9675 -gcoff3, -gxcoff3, -gvms3 implies -dD.
9677 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
9679 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
9680 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
9681 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
9682 config/rs6000/cell.md, config/rs6000/darwin.h,
9683 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
9684 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
9685 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
9686 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
9687 typos. Follow spelling conventions.
9688 * doc/invoke.texi: Follow spelling conventions.
9690 2007-02-03 Roger Sayle <roger@eyesopen.com>
9692 * simplify-rtx.c (simplify_relational_operation_1): Implement some
9693 canonicalization transformations that attempt to simplify integer
9694 constant comparisons to become comparisons against zero.
9696 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9698 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
9700 * fold-const.c (fold_binary): Fix comment typos. Fold complex
9701 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
9703 2007-02-02 Mike Stump <mrs@apple.com>
9705 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
9706 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
9707 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
9708 generate a branch island.
9710 2007-02-02 Bob Wilson <bob.wilson@acm.org>
9712 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
9713 (xtensa_legitimate_address_p): New.
9714 (xtensa_legitimize_address): New.
9715 (xtensa_output_addr_const_extra): New.
9716 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
9718 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
9719 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
9720 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
9721 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
9722 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
9723 (xtensa_legitimize_address): New.
9724 (xtensa_output_addr_const_extra): New.
9726 2007-02-02 Steve Ellcey <sje@cup.hp.com>
9728 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
9730 2007-02-02 Ian Lance Taylor <iant@google.com>
9732 * expmed.c (expand_divmod): Add comment.
9734 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
9736 * emit-rtl.c (renumber_insns): Remove.
9737 * flags.h: Remove the extern for flag_renumber_insns.
9738 * rtl.h: Remove the prototype for renumber_insns.
9739 * toplev.c (flag_renumber_insns): Remove.
9741 2007-02-02 Hui-May Chang <hm.chang@apple.com>
9743 Revert for x86 darwin:
9744 2005-06-19 Uros Bizjak <uros@kss-loka.si>
9746 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
9747 code before the following patch under TARGET_MACHO.
9748 (ix86_function_value_regno_p): Likewise.
9750 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9752 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
9755 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9758 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
9759 general or fp registers. Add comments.
9760 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
9762 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
9764 * pointer-set.c (insert_aux): Only return insertion slot.
9765 (pointer_set_insert): Adjust.
9766 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
9767 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
9768 pointer_map_traverse): New.
9769 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
9770 pointer_map_create, pointer_map_destroy, pointer_map_insert,
9771 pointer_map_contains, pointer_map_traverse): Declare.
9773 2007-02-02 Jakub Jelinek <jakub@redhat.com>
9776 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
9777 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
9779 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9781 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
9783 (struct _dep): New type.
9784 (dep_t): New typedef.
9785 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
9786 (DEP_STATUS): New access macro. The macro with the same name was
9787 renamed to DEP_LINK_STATUS.
9788 (dep_init): Declare function
9790 (struct _dep_link): New type.
9791 (dep_link_t): New typedef.
9792 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
9793 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
9794 (DEP_LINK_STATUS): New macro.
9795 (debug_dep_links): New debug function.
9797 (struct _deps_list): New type.
9798 (deps_list_t): New typedef.
9799 (DEPS_LIST_FIRST): New access macro.
9800 (FOR_EACH_DEP_LINK): New cycle macro.
9801 (create_deps_list, free_deps_list, delete_deps_list): Declare
9803 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
9804 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
9805 (copy_deps_list_change_con): Ditto.
9807 (move_dep_link): Declare function.
9809 (struct _dep_node): New type.
9810 (dep_node_t): New typedef.
9811 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
9813 (struct haifa_insn_data.back_deps): New field to hold backward
9814 dependencies of the insn.
9815 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
9817 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
9818 Change its type to deps_list_t.
9819 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
9820 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
9821 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
9823 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
9825 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
9827 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
9829 (dep_cost): Declare.
9831 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
9832 (ds_to_dk, dk_to_ds): New functions.
9834 (init_dep_1): New static function.
9835 (init_dep): New function.
9836 (copy_dep): New static function.
9838 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
9840 (detach_dep_link): New static function.
9841 (move_dep_link): New function.
9843 (dep_links_consistent_p, dump_dep_links): New static functions.
9844 (debug_dep_links): New debugging function.
9846 (deps_obstack, dl_obstack, dn_obstack): New static variables.
9848 (alloc_deps_list, init_deps_list): New static functions.
9849 (create_deps_list): New function.
9850 (clear_deps_list): New static function.
9851 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
9852 (deps_list_consistent_p, dump_deps_list): New static functions.
9853 (debug_deps_list): New function.
9854 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
9856 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
9858 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
9859 use new scheduler dependencies lists.
9860 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
9861 (sched_analyze): Ditto. Initialize dependencies lists.
9862 (add_forw_dep, compute_forward_dependences): Update to use new
9863 scheduler dependencies lists.
9865 (init_dependency_caches): Init deps_obstack.
9866 (free_dependency_caches): Free deps_obstack.
9868 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
9869 new scheduler dependencies lists.
9870 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
9871 (add_back_forw_dep, delete_back_forw_dep): Ditto.
9873 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
9874 Update to use new scheduler dependencies lists.
9875 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
9876 (debug_dependencies): Ditto.
9877 (schedule_region): Update comments.
9879 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
9880 scheduler dependencies lists.
9881 (schedule_ebb): Update comments.
9883 * rtl.def (DEPS_LIST): Remove.
9885 * lists.c (unused_deps_list): Remove.
9886 (free_list): Update assertions.
9888 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
9889 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9891 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
9892 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
9894 * haifa-sched.c (comments): Update.
9895 (insn_cost1): Remove. Inline the code into insn_cost ().
9896 (insn_cost): Update to use new scheduler dependencies lists. Move
9897 processing of the dependency cost to dep_cost ().
9898 (dep_cost): New function. Use it instead of insn_cost () when
9899 evaluating cost of the dependency. Use compatible interface to
9900 interact with the target.
9901 (priority): Update to use new scheduler dependencies lists.
9902 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
9903 with greater number of insns that depend on the insn.
9904 (schedule_insn): Update to use new scheduler dependencies lists. Add
9905 code to free backward dependencies lists. Inline and optimize code
9906 from resolve_dep () - see PR28071.
9907 (ok_for_early_queue_removal): Update to use new scheduler dependencies
9908 lists. Update call to targetm.sched.is_costly_dependence hook.
9910 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
9911 scheduler dependencies lists.
9913 (resolve_dep): Remove. Move the logic to schedule_insn ().
9914 (init_h_i_d): Initialize dependencies lists.
9916 (process_insn_depend_be_in_spec): Rename to
9917 process_insn_forw_deps_be_in_spec. Update to use new scheduler
9919 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
9920 Update to use new scheduler dependencies lists.
9921 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
9923 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
9924 new scheduler dependencies lists.
9925 (build_intra_loop_deps): Ditto.
9927 * target.h (struct _dep): Declare to use in
9928 gcc_target.sched.is_costly_dependence.
9929 (struct gcc_target.sched.adjust_cost): Fix typo.
9930 (struct gcc_target.sched.is_costly_dependence): Change signature to use
9931 single dep_t parameter instead of an equivalent triad.
9932 (struct gcc_target.sched.adjust_cost_2): Remove.
9934 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
9936 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
9938 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
9940 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
9942 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
9943 (REG_DEP_TRUE): Document.
9945 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
9946 Change signature to correspond to the targetm.sched.adjust_cost hook.
9947 Update use in TARGET_SCHED_ADJUST_COST_2.
9948 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
9949 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
9950 new scheduler dependencies lists.
9951 (ia64_gen_check): Ditto.
9953 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
9956 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
9957 signature to correspond to the targetm.sched.is_costly_dependence hook.
9958 (is_costly_group): Update to use new scheduler dependencies lists.
9960 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
9961 instead of INSN_COST () macro.
9963 2007-02-01 Ian Lance Taylor <iant@google.com>
9965 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
9967 2007-02-01 Guy Martin <gmsoft@gentoo.org>
9969 * pa.md (tp_load): Correct mfctl instruction syntax.
9971 2007-02-01 Geoffrey Keating <geoffk@apple.com>
9973 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
9974 altivec_padding_size calculation on AIX. Improve comment, add
9975 assert to verify that it's right.
9977 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
9980 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
9983 * global.c (global_alloc): Add mising initialization of
9986 2007-02-01 Roger Sayle <roger@eyesopen.com>
9988 * alias.c (init_alias_analysis): Correct whitespace.
9989 * bb-reorder.c (fix_edges_for_rarely_executed_code,
9990 partition_hot_cold_basic_blocks): Likewise.
9991 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
9992 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
9993 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
9994 fold_builtin_snprintf_chk, fold_builtin_printf,
9995 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
9996 do_mpfr_arg3, do_mpfr_sincos): Likewise.
9997 * cfgcleanup.c (cleanup_cfg): Likewise.
9998 * cfgexpand.c (tree_expand_cfg): Likewise.
9999 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
10000 * function.c (get_next_funcdef_no): Likewise.
10001 * gengtype.c (main): Likewise.
10002 * genmodes.c (main): Likewise.
10003 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
10004 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
10005 * ifcvt.c (noce_emit_move_insn): Likewise.
10006 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
10008 * stor-layout.c (get_best_mode): Likewise.
10009 * tree-ssa-loop-niter.c (get_val_for): Likewise.
10010 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
10011 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
10012 perform_var_substitution, solve_graph): Likewise.
10013 * tree-vrp.c (vrp_finalize): Likewise.
10015 2007-02-01 Ian Lance Taylor <iant@google.com>
10017 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
10018 high part of a paradoxical subreg, return a constant zero.
10020 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
10022 * toplev.c (lang_dependent_init): Call init_set_costs.
10023 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
10025 2007-02-01 Richard Guenther <rguenther@suse.de>
10027 PR middle-end/30656
10028 * fold-const.c (fold_negate_expr): Allow negating a
10029 constant if overflow does not change.
10031 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10033 * doc/c-tree.texi (Expression trees): Improve markup.
10034 * doc/tm.texi (Register Classes, Addressing Modes)
10035 (Floating Point): Fix spacing after abbreviations. Fix some
10038 2007-02-01 Ben Elliston <bje@au.ibm.com>
10040 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
10041 * doc/contrib.texi: Likewise.
10042 * doc/install.texi: Likewise.
10044 2007-01-31 Richard Henderson <rth@redhat.com>
10045 Ian Lance Taylor <iant@google.com>
10047 * lower-subreg.c: New file.
10048 * rtl.def (CONCATN): Define.
10049 * passes.c (init_optimization_passes): Add pass_lower_subreg and
10050 pass_lower_subreg2.
10051 * emit-rtl.c (update_reg_offset): New static function, broken out
10052 of gen_rtx_REG_offset.
10053 (gen_rtx_REG_offset): Call update_reg_offset.
10054 (gen_reg_rtx_offset): New function.
10055 * regclass.c: Revert patch of 2006-03-05, restoring
10057 (clear_reg_info_regno): New function.
10058 * dwarf2out.c (concatn_loc_descriptor): New static function.
10059 (loc_descriptor): Handle CONCATN.
10060 * common.opt (fsplit_wide_types): New option.
10061 * opts.c (decode_options): Set flag_split_wide_types when
10063 * timevar.def (TV_LOWER_SUBREG): Define.
10064 * rtl.h (gen_reg_rtx_offset): Declare.
10065 (reg_scan_update): Declare.
10066 * regs.h (clear_reg_info_regno): Declare.
10067 * tree-pass.h (pass_lower_subreg): Declare.
10068 (pass_lower_subreg2): Declare.
10069 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
10070 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
10071 -fsplit-wide-types.
10072 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
10073 * Makefile.in (OBJS-common): Add lower-subreg.o.
10074 (lower-subreg.o): New target.
10076 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
10078 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
10080 2007-01-31 Anatoly Sokolov <aesok@post.ru>
10083 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
10085 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10087 PR middle-end/29335
10088 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
10090 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
10092 * cfgloop.h: Include vec-prim.h.
10093 (enum li_flags): Remove LI_ONLY_OLD.
10094 (loop_iterator): Changed.
10095 (fel_next, fel_init): Iterate over loop tree.
10096 (FOR_EACH_LOOP_BREAK): New macro.
10097 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
10099 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
10100 * modulo-sched.c (sms_schedule): Ditto.
10101 * tree-vectorizer.c (vectorize_loops): Ditto.
10102 * doc/loop.texi: Update information on loop numbering and behavior of
10103 FOR_EACH_LOOP wrto new loops.
10104 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
10105 add_to_evolution_1): Test nestedness of loops instead of comparing
10107 * tree-chrec.c (chrec_fold_plus_poly_poly,
10108 chrec_fold_multiply_poly_poly, chrec_evaluate,
10109 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
10110 reset_evolution_in_loop): Ditto.
10111 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
10113 2007-01-31 Dirk Mueller <dmueller@suse.de>
10115 * c-common.c (warn_about_parentheses): Separate warning about
10116 un-parenthized sequence of comparison operators from the one
10117 which is supposed to warn about x <= y <= z.
10119 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
10121 * optabs.h (enum optab_index): Add new OTI_isinf.
10122 (isinf_optab): Define corresponding macro.
10123 * optabs.c (init_optabs): Initialize isinf_optab.
10124 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
10126 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
10127 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
10129 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
10130 expand_builtin_interclass_mathfn.
10131 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
10132 * config/i386/i386.md (UNSPEC_FXAM): New constant.
10133 (fxam<mode>2_i387): New insn pattern.
10134 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
10135 built-in functions as x87 inline asm.
10137 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
10139 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
10141 2007-01-30 Eric Christopher <echristo@apple.com>
10143 * config.gcc: Add geode.
10145 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
10147 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
10148 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
10149 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
10150 value-prof.c: Fix comment typos.
10152 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10155 * doc/invoke.texi (Wpointer-arith): Document warning.
10157 2007-01-30 Janis Johnson <janis187@us.ibm.com>
10159 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
10160 the list of discrepancies from the draft TR.
10162 2007-01-30 Dirk Mueller <dmueller@suse.de>
10165 * doc/invoke.texi (-Wreturn-type): Update description to
10166 match new behavior.
10168 2007-01-30 Richard Sandiford <richard@codesourcery.com>
10170 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
10172 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
10174 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
10175 to handle optabs that operate on floating point input argument and
10176 output to integer output.
10177 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
10178 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
10179 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
10180 expand_builtin_interclass_mathfn ().
10181 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
10182 (ilogbsi2): Remove.
10183 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
10184 ilogbl built-in functions as x87 intrinsics.
10186 2007-01-30 Richard Guenther <rguenther@suse.de>
10188 PR middle-end/27657
10189 * dwarf2out.c (reference_to_unused): Query varpool if the
10190 variable was output.
10192 2007-01-30 Richard Guenther <rguenther@suse.de>
10194 PR middle-end/30313
10195 * passes.c (execute_one_pass): Reset in_gimple_form to not
10196 confuse non-unit-at-a-time mode.
10198 2007-01-29 Roger Sayle <roger@eyesopen.com>
10199 Richard Guenther <rguenther@suse.de>
10201 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
10202 avoid undefined behaviour on overflow. Use force_fit_type_double
10203 to construct the constant with the specified TREE_OVERFLOW.
10205 2007-01-29 Janis Johnson <janis187@us.ibm.com>
10207 * config/dfp-bit.c: Add parameterized support for fp exceptions.
10208 * config/dfp-bit.h: Ditto.
10210 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10212 * c-decl.c (pop_scope): Replace warnings with call to
10213 warn_for_unused_label.
10214 * c-common.h (warn_for_unused_label): Declare.
10215 * c-common.c (warn_for_unused_label): Define.
10217 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10219 * tree-optimize.c (update_inlined_to_pointers): Delete unused
10222 2007-01-29 Janis Johnson <janis187@us.ibm.com>
10224 * Makefile.in (USER_H): Remove decfloat.h.
10225 * ginclude/decfloat.h: Delete, moving contents to ...
10226 * ginclude/float.h: Add support for decimal floating point,
10227 guarded by __STDC_WANT_DEC_FP__.
10229 2007-01-29 Mike Stump <mrs@apple.com>
10231 * doc/gccint.texi (Top): Rename Loop Representation to Loop
10232 Analysis and Representation to resolve case insensitive conflict.
10233 * doc/loop.texi (Loop Analysis and Representation): Likewise.
10235 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
10237 * tree.h (struct tree_memory_tag): Add aliases member.
10238 (MTAG_ALIASES): New macro.
10239 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
10240 (add_may_alias): Remove pointer-set. Update for may_aliases being
10242 (mark_aliases_call_clobbered): Update for may_aliases being a
10244 (compute_tag_properties): Ditto.
10245 (create_partition_for): Ditto.
10246 (compute_memory_partitions): Ditto.
10247 (dump_may_aliases_for): Ditto.
10248 (is_aliased_with): Ditto.
10249 (add_may_alias_for_new_tag): Ditto.
10250 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
10251 (compute_is_aliased): New function.
10252 (compute_may_aliases): Call compute_is_aliased).
10253 (init_alias_info): Initialize alias_bitmap_obstack.
10254 (union_alias_set_into): New function.
10255 (compute_flow_sensitive_aliasing): Use union_aliases_into.
10256 (have_common_aliases_p): Rewrite to take two bitmaps and use
10258 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
10259 Update for bitmaps.
10260 (finalize_ref_all_pointers): Update for add_may_alias changes.
10261 (new_type_alias): Ditto.
10262 * tree-flow-inline.h (may_aliases): Return a bitmap.
10263 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
10264 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
10265 may_aliases being a bitmap.
10266 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
10267 may_aliases now returns a bitmap.
10268 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
10270 * tree-ssa-operands.c (add_virtual_operand): Update for
10271 may_aliases being a bitmap.
10273 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
10275 PR tree-optimization/30630
10276 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
10277 variable as changed.
10279 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
10282 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
10283 expanded only once even if an error occurs.
10285 2007-01-29 Ben Elliston <bje@au.ibm.com>
10287 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
10288 (__gcov_average_profiler): Likewise.
10289 (__gcov_ior_profiler): Likewise.
10290 (__gcov_merge_ior): Likewise.
10292 2007-01-28 Jan Hubicka <jh@suse.cz>
10294 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
10295 * value-prof.c (stringop_block_profile): Likewise.
10297 2007-01-28 Jan Hubicka <jh@suse.cz>
10299 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
10300 variant handling histograms; add wrapper.
10301 (clear_storage_via_libcall): Export.
10302 (emit_block_move_hints): Break out from ...; add histograms.
10303 (emit_block_move): ... this one.
10304 (clear_storage_hints): Break out from ...; add histograms.
10305 (clear_storage): ... this one.
10306 (set_storage_via_memset): Handle histogram.
10307 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
10308 (clear_storage_hints, clear_storage_via_libcall): Declare.
10309 (set_storage_via_setmem): Update prototype.
10310 * doc/md.texi (movmem, setmem): Document new arguments.
10312 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
10314 (stringop_block_profile): New global function.
10315 (tree_stringops_values_to_profile): Profile block size and alignment.
10316 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
10318 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
10319 (stringop_block_profile): Declare.
10320 * builtins.c: Include value-prof.h.
10321 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
10322 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
10323 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
10324 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
10325 * profile.c (instrument_values): Add new counters.
10326 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
10328 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
10329 (tree_init_edge_profiler): Build new profilers.
10330 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
10331 (pass_tree_profile): Add dump.
10332 (tree_profile_hooks): Update.
10333 * Makefile.in (LIBGCOV): Add new constants.
10334 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
10335 __gcov_ior_profiler): New.
10336 * i386.md (movmem/setmem expanders): Add new optional arguments.
10338 2007-01-28 David Edelsohn <edelsohn@gnu.org>
10340 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
10342 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
10344 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
10345 (tree_unswitch_single_loop): Pass eni_size_weights to
10346 tree_num_loop_insns.
10347 * tree-ssa-loop-manip.c: Include tree-inline.h.
10348 (can_unroll_loop_p): Pass eni_size_weights to
10349 tree_num_loop_insns.
10350 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
10351 Pass eni_size_weights to estimate_num_insns.
10352 * tree.h (init_inline_once): Export.
10353 * toplev.c (backend_init): Call init_inline_once.
10354 * cgraphunit.c (cgraph_process_new_functions,
10355 cgraph_analyze_function): Pass eni_inlining_weights to
10356 estimate_num_insns.
10357 * ipa-inline.c (compute_inline_parameters): Ditto.
10358 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
10359 to estimate_num_insns.
10360 (try_unroll_loop_completely): Pass eni_size_weights to
10361 tree_num_loop_insns.
10362 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
10363 ot estimate_num_insns.
10364 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
10365 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
10366 * tree-inline.c (eni_inlining_weights, eni_size_weights,
10367 eni_time_weights): New variables.
10368 (init_inline_once): Initialize them.
10369 (struct eni_data): Mew.
10370 (estimate_num_insns_1, estimate_num_insns): Use weights.
10371 * tree-inline.h (struct eni_weights_d): New.
10372 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
10373 (estimate_num_insns): Declaration changed.
10374 * cfgloop.h (tree_num_loop_insns): Declaration changed.
10375 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
10376 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
10378 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
10380 * tree-data-ref.c (conflict_fn): Assert that the number of affine
10381 relations in the conflict function is valid.
10383 2007-01-27 Ian Lance Taylor <iant@google.com>
10385 * common.opt: Add fstrict-overflow.
10386 * opts.c (decode_options): Set flag_strict_overflow if -O2.
10387 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
10388 (TYPE_OVERFLOW_UNDEFINED): Define.
10389 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
10391 * tree.h (TYPE_TRAP_SIGNED): Don't define.
10392 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
10393 (fold_negate_expr): Likewise.
10394 (make_range): Likewise.
10395 (extract_muldiv_1): Likewise.
10396 (maybe_canonicalize_comparison): Likewise.
10397 (fold_comparison): Likewise.
10398 (fold_binary): Likewise.
10399 (tree_expr_nonnegative_p): Likewise.
10400 (tree_expr_nonzero_p): Likewise.
10401 * tree-vrp.c (compare_values): Likewise.
10402 (extract_range_from_binary_expr): Likewise.
10403 (extract_range_from_unary_expr): Likewise.
10404 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
10406 (nowrap_type_p): Likewise.
10407 * tree-scalar-evolution.c (simple_iv): Likewise.
10408 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
10409 (build_range_check): Likewise.
10410 (extract_muldiv_1): Likewise.
10411 (fold_comparison): Likewise.
10412 * tree-vrp.c (vrp_int_const_binop): Likewise.
10413 (extract_range_from_unary_expr): Likewise.
10414 * convert.c (convert_to_integer): Likewise.
10415 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
10416 (fold_comparison): Likewise.
10417 (fold_binary): Likewise.
10418 * optabs.c (optab_for_tree_code): Likewise.
10419 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
10420 * simplify-rtx.c (simplify_const_relational_operation): Check
10421 flag_strict_overflow and flag_trapv.
10422 (simplify_const_relational_operation): Likewise.
10423 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
10424 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
10427 2007-01-27 Roger Sayle <roger@eyesopen.com>
10429 * tree.c (tree_fold_gcd): Delete.
10430 * tree.h (tree_fold_gcd): Remove prototype.
10431 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
10432 test whether one constant integer is a multiple of another. Instead
10433 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
10434 * fold-const.c (multiple_of_p): We've determined both TOP and
10435 BOTTOM are integer constants so we can call int_const_binop directly
10436 instead of the more generic const_binop.
10438 2007-01-27 Roger Sayle <roger@eyesopen.com>
10440 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
10441 1*X check that the constant hasn't overflowed, to preserve the
10443 (round_up): Provide an efficient implementation when rouding-up an
10444 INTEGER_CST to a power-of-two.
10446 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
10448 * doc/sourcebuild.texi: Add comma for clarity.
10449 * doc/extend.texi: Fix some typos.
10450 * doc/passes.texi: Likewise.
10451 * doc/cppinternals.texi: Likewise.
10452 * doc/c-tree.texi: Likewise.
10453 * doc/tree-ssa.texi: Likewise.
10454 * doc/install.texi: Likewise.
10456 2007-01-27 Jan Hubicka <jh@suse.cz>
10458 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
10459 (pass_sra): Do not require alias information.
10460 * passes.c (init_optimization_passes): Add SRA
10462 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
10464 * tracer.c (rest_of_handle_tracer): We already cleaned
10465 up the CFG in tracer() so don't do it here again.
10466 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
10467 cleanup_cfg here, either. And don't call renumber_insns.
10469 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
10470 and BB_HEAD are in the insn stream here. Instead make sure
10471 that BB_INSN is valid on all insns. Also, do check here that
10472 there are no pending branch predictions...
10473 (rtl_verify_flow_info): ...instead of doing it here. Checks
10474 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
10477 2007-01-26 Roger Sayle <roger@eyesopen.com>
10479 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
10480 function to simplify/factorize operand order canonicalization.
10481 (ix86_fixup_binary_operands): Reorganize using the above function.
10482 (ix86_binary_operator_ok): Likewise.
10484 2007-01-27 Jakub Jelinek <jakub@redhat.com>
10486 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
10487 file scope from optimize_attrs.
10488 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
10490 (optimize_attrs): Clear insn_code_values after freeing it.
10492 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
10494 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
10495 a parts.base assignment.
10497 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
10499 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
10500 (compute_subscript_distance, initialize_data_dependence_relation,
10501 finalize_ddr_dependent, analyze_ziv_subscript,
10502 analyze_siv_subscript_cst_affine,
10503 compute_overlap_steps_for_affine_univar,
10504 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
10505 analyze_siv_subscript, analyze_miv_subscript,
10506 analyze_overlapping_iterations, subscript_dependence_tester_1,
10507 compute_self_dependence, free_dependence_relation): Work
10508 with affine_fn instead of chrecs.
10509 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
10510 common_affine_function, affine_function_base,
10511 affine_function_constant_p, affine_fn_op, affine_fn_plus,
10512 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
10513 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
10514 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
10515 (all_chrecs_equal_p): Removed.
10516 * tree-data-ref.h (affine_fn, conflict_function): New types.
10517 (struct subscript): Change type of conflicting_iterations_in_a
10518 and conflicting_iterations_in_b.
10520 2007-01-26 Steve Ellcey <sje@cup.hp.com>
10523 * config/pa/pa.h (TARGET_HPUX_11): New.
10524 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
10525 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
10527 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
10528 Richard Guenther <rguenther@suse.de>
10530 * tree-ssa-structalias.c (solve_graph): Handle case
10531 we merged the variable to another.
10533 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10535 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
10538 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
10539 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
10541 2007-01-25 DJ Delorie <dj@redhat.com>
10543 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
10544 allow changes to modes which don't fit in those registers.
10546 * reload1.c (choose_reload_regs): Check for invalid subregs before
10547 computing their locations, not after.
10549 2007-01-25 Geoffrey Keating <geoffk@apple.com>
10552 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
10553 save Altivec registers in an eh_return function.
10554 (compute_vrsave_mask): Likewise.
10555 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
10556 for saving Altivec registers.
10557 (rs6000_emit_prologue): Don't allocate stack twice in
10558 eh_return function. Correct expected value of altivec_save_offset
10559 when using save_world. Describe save of R0 to stack when using
10560 save_world. Describe stack pointer adjustment when using
10561 save_world. Remove duplicated eh_return parameter register saving.
10562 Update sp_offset variable after save_world.
10563 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
10565 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
10566 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
10569 2007-01-25 Steve Ellcey <sje@cup.hp.com>
10571 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
10573 2007-01-25 Steve Ellcey <sje@cup.hp.com>
10576 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
10577 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
10579 2007-01-25 Richard Guenther <rguenther@suse.de>
10581 * doc/invoke.texi (-Wcoverage-mismatch): Document.
10582 * common.opt (-Wcoverage-mismatch): New warning option.
10583 * coverage.c (get_coverage_counts): Ignore coverage mismatch
10584 if -Wcoverage-mismatch is given.
10586 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
10588 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
10589 (ipcp_driver): Change to static definition.
10590 Add dumping of the ifunctions.
10591 (constant_val_insert): Remove unused parameter. Support for SSA.
10592 (ipcp_propagate_const): Support for SSA.
10593 (ipcp_profile_bb_print): Print only analyzed nodes.
10594 (ipcp_replace_map_create): Remove support for Fortran constant
10596 * ipa-prop.c (ipa_method_modify_stmt,
10597 ipa_callsite_compute_param): Support for SSA.
10598 * ipa-prop.h (ipcp_driver): Remove declaration.
10599 (IS_VALID_TREE_MAP_INDEX): Add define.
10601 2007-01-24 Geoffrey Keating <geoffk@apple.com>
10603 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
10605 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10607 PR middle-end/30447
10608 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
10609 constant argument to cabs and do it without checking for
10610 -funsafe-math-optimizations.
10612 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
10614 * c-common.h (RID_FIRST_CXX0X): New.
10615 (RID_LAST_CXX0X): New.
10616 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
10618 * c.opt (Wc++0x-compat): New.
10619 * doc/invoke.texi (-Wc++0x-compat): Document.
10621 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10623 * builtins.c (fold_builtin_carg): New.
10624 (fold_builtin_1): Use it.
10626 2007-01-24 Jan Hubicka <jh@suse.cz>
10628 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
10630 * ipa-inline.c (initial_insns, max_insns): Delete.
10631 (compute_max_insns): New function.
10632 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
10633 of insns as base for code growth.
10634 (cgraph_decide_inlining): Make initial_insns local; do not compute
10636 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
10637 * doc/invoke.texi (inline-unit-growth): Update docs.
10639 2007-01-24 Jakub Jelinek <jakub@redhat.com>
10641 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
10642 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
10643 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
10644 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
10645 for CPUs that have PTA_CX16 set.
10647 PR middle-end/27416
10648 * gimplify.c (omp_check_private): New function.
10649 (gimplify_scan_omp_clauses): Use it for
10650 firstprivate/lastprivate/reduction.
10652 PR middle-end/30494
10653 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
10654 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
10656 PR middle-end/30421
10657 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
10658 If lower_lastprivate_clauses emits some statements, append them
10659 to dlist rather than body_p and to body_p append an initializer.
10660 (lower_omp_for): Adjust caller.
10662 2007-01-24 Steve Ellcey <sje@cup.hp.com>
10664 * target.h (globalize_decl_name): New.
10665 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10666 * output.h (default_globalize_decl_name): New.
10667 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
10669 (globalize_decl): Ditto.
10670 (default_globalize_decl_name): New.
10671 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
10672 (ia64_handle_version_id_attribute): New.
10673 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
10674 (ia64_asm_output_external): Use globalize_decl_name instead
10675 of globalize_label.
10676 * doc/extend.texi (version_id): New pragma.
10677 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
10679 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
10681 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
10682 _uleb128_t and _Unwind_SWord with _sleb128_t.
10683 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
10684 uw_frame_state_for, uw_update_context_1): Likewise.
10685 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
10686 * unwind-pe.h (read_uleb128, read_sleb128,
10687 read_encoded_value_with_base): Likewise.
10688 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
10690 2007-01-24 Richard Guenther <rguenther@suse.de>
10692 * builtins.c (expand_builtin_cexpi): Get the fndecl
10693 for cexp in the correct way.
10695 2007-01-24 Jan Hubicka <jh@suse.cz>
10697 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
10699 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
10701 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
10702 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
10703 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
10704 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
10705 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
10706 __SIZEOF_PTRDIFF_T__.
10707 * doc/cpp.texi: Documentation for the new builtin macros added.
10709 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
10711 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
10712 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
10713 instead of operands[2] to avoid access past the end of array.
10715 2007-01-24 Richard Sandiford <richard@codesourcery.com>
10717 * reload1.c (emit_reload_insns): Pass the reload register
10718 for a non-spill output reload through forget_old_reloads_1.
10720 2007-01-23 Joseph Myers <joseph@codesourcery.com>
10722 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
10723 _SOFT_DOUBLE if doubles use software floating-point.
10724 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
10725 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10726 * config/rs6000/darwin-ldouble.c: Also compile functions for
10727 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
10728 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
10729 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
10730 commented-out long double override.
10731 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
10732 * config/rs6000/eabispe.h: Likewise.
10733 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
10734 long double for non-SPE.
10735 (rs6000_handle_option): Likewise.
10736 (invalid_e500_subreg): Disallow more subregs involding DImode,
10737 DFmode, TImode or TFmode.
10738 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
10740 (legitimate_lo_sum_address_p): Also check for TFmode for E500
10742 (rs6000_legitimize_address): Also handle TFmode for E500 double.
10743 (rs6000_legitimize_reload_address): Also handle TFmode for E500
10745 (rs6000_legitimate_address): Also check for TFmode for E500
10747 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
10748 (spe_build_register_parallel): Handle TFmode and TCmode.
10749 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
10751 (function_arg): Handle TFmode and TCmode for E500 double.
10752 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
10754 (print_operand): Handle TFmode and TImode for %y.
10755 (rs6000_generate_compare): Handle TFmode comparisons for E500
10757 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
10758 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
10759 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
10760 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
10761 TFmode for E500 double.
10762 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
10763 (floatsidf2): Enable for E500 double.
10764 (movtf_softfloat): Use rs6000_nonimmediate_operand.
10765 (extenddftf2): Change to extenddftf2_fprs.
10766 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
10767 depending on TARGET_E500_DOUBLE.
10768 (extendsftf2): Enable for E500 double.
10769 (trunctfdf2): Enable for E500 double.
10770 (trunctfsf2): Change to trunctfsf2_fprs.
10771 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
10772 depending on TARGET_E500_DOUBLE.
10773 (floatsitf2): Enable for E500 double.
10774 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
10775 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
10776 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
10777 (negtf2): Change to negtf2_internal.
10778 (negtf2): New expander.
10779 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
10780 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
10781 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
10782 (movdi_internal32): Use rs6000_nonimmediate_operand.
10783 (unnamed splitter): Likewise.
10784 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
10785 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
10786 (SPE64TF, DITI): New mode macros.
10787 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
10790 (frob_<mode>_di_2): New.
10791 (frob_tf_di_8_2): New.
10792 (frob_di_df): Change to frob_di_<mode>; allow more modes.
10794 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
10796 (frob_ti_<mode>_8_2): New.
10797 (frob_ti_tf_2): New.
10798 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
10799 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
10801 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
10802 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
10803 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
10804 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
10805 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
10806 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
10809 2007-01-23 Ian Lance Taylor <iant@google.com>
10811 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
10813 (OBJS-archive): Reformat, alphabetize.
10814 (OBJS): Change out_object_file to OBJS-md.
10816 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
10818 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
10819 JUMP_P and CALL_P predicates where applicable.
10820 * config/i386/i386.c: Ditto.
10821 * config/i386/i386.md: Ditto.
10822 * config/i386/mmx.md: Ditto.
10823 * config/i386/predicates.md: Ditto.
10825 2007-01-22 Andreas Schwab <schwab@suse.de>
10827 * config/m68k/m68k.h: Fix comment.
10829 2007-01-22 Jan Hubicka <jh@suse.cz>
10831 * passes.c (init_optimization_passes): Do not rerun
10832 pass_early_warn_uninitialized.
10834 2007-01-22 Richard Guenther <rguenther@suse.de>
10836 PR tree-optimization/30038
10837 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
10839 (execute_cse_sincos_1): Likewise.
10840 (execute_cse_sincos): Likewise.
10841 (gate_cse_sincos): Likewise.
10842 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
10843 the cexpi() canonicalization of sincos().
10844 * tree-pass.h (pass_cse_sincos): Declare.
10845 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
10847 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
10849 PR rtl-optimization/29329
10850 * combine.c (replaced_rhs_insn): Rename to i2mod.
10851 (replaced_rhs_value): Rename to i2mod_new_rhs.
10852 (i2mod_old_rhs): New global variable.
10853 (combine_instructions): Adjust for above change. Save a copy of
10854 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
10855 note are substituted in the second instruction.
10856 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
10857 ditch the note if it pertains to the second eliminated register
10858 and this register is mentioned in i2mod_old_rhs.
10861 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
10863 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
10864 the insn to which the note was originally attached.
10866 2007-01-21 Jan Hubicka <jh@suse.cz>
10868 * ipa-inline.c (inlining_mode): Comment, move up.
10869 (cgraph_decide_inlining_incrementally): Do not perform inlining
10870 itself; fix handling of flattening of self recursive functions.
10871 (cgraph_find_cycles): Remove.
10872 (cgraph_flatten_node): Remove.
10873 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
10874 (try_inline): New function.
10875 (cgraph_early_inlining): Update call of
10876 cgraph_decide_inlining_incrementally. Apply inlining here.
10877 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
10879 2007-01-21 Dirk Mueller <dmueller@suse.de>
10882 * tree-vrp.c (check_array_bounds): do not warn
10883 about ADDR_EXPR's of ARRAY_REF's which are immediately
10884 used in binary expressions.
10886 2007-01-21 Ira Rosen <irar@il.ibm.com>
10888 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
10889 read_write_dep and macros for its access.
10890 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
10891 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
10892 argument, call vect_check_interleaving for every independent pair of
10893 data-refs. Mark loads that access the same memory location as a store
10895 (vect_check_dependences): Remove.
10896 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
10897 call, fix the call to vect_analyze_data_ref_dependence.
10898 (vect_analyze_data_ref_access): For statements that access the same
10899 data-ref, check that they are not stores; for loads, check that there
10900 is no store that access the same location.
10902 2007-01-20 Roger Sayle <roger@eyesopen.com>
10903 Joseph Myers <joseph@codesourcery.com>
10905 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
10906 (-fdump-rtl-stack): Likewise.
10907 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
10908 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
10909 (-mpt-fixed): Use @minus{} for minus sign.
10910 (Using Precompiled Headers): Fix under/overfull hbox.
10912 2007-01-20 Jan Hubicka <jh@suse.cz>
10914 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
10915 place within annotation.
10917 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10919 * pa.c (output_move_double): Change array size of xoperands to 4.
10921 2007-01-20 Jan Hubicka <jh@suse.cz>
10923 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
10926 2007-01-19 Ian Lance Taylor <iant@google.com>
10928 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
10929 constant to unsigned HOST_WIDE_INT before negating.
10931 2007-01-19 Ian Lance Taylor <iant@google.com>
10933 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
10935 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
10936 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10937 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
10938 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
10939 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
10940 (realloc_vdef, realloc_vuse): Change second parameter to
10942 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
10943 fields to unsigned.
10944 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
10945 unsigned. Change x and lim locals to unsigned.
10946 (realloc_vdef, realloc_vuse): Change num_elem parameter to
10948 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
10949 (copy_virtual_operands): Change i and n locals to unsigned.
10951 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10953 PR middle-end/29335
10954 * builtins.c (fold_builtin_1): Handle builtin fdim.
10956 2007-01-20 Jan Hubicka <jh@suse.cz>
10958 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
10959 * tree-ssa-structalias.c (compute_points_to_sets): Do call
10960 init_alias_heapvars.
10961 (init_alias_heapvars): Initialize only when not already initialized.
10962 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
10964 2007-01-19 Roger Sayle <roger@eyesopen.com>
10966 * common.opt (fsigned-zeros): New command line option.
10967 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
10968 of flag_unsafe_math_optimizations.
10969 * opts.c (set_fast_math_flags): The -ffast-math command line option
10970 implies -fno-signed-zeros.
10971 (fast_math_flags_set_p): Likewise.
10973 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
10974 the documentation of -ffast-math appropriately. Wrap long lines.
10976 2007-01-19 Steve Ellcey <sje@cup.hp.com>
10978 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
10979 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
10981 2007-01-19 Tomas Bily <tbily@suse.cz>
10983 * cgraphunit.c (cgraph_finalize_function): Updating of pid
10985 (tree_init_ic_make_global_vars): New function
10986 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
10987 (tree_gen_ic_profiler): New function
10988 (tree_gen_ic_func_profiler): New function
10989 (tree_profiling): Added calling of tree_gen_ic_func_profiler
10990 (tree_profile_hooks): Added hook for indirec/virtual calls
10991 * value-prof.c (tree_find_values_to_profile): New case for
10993 (tree_values_to_profile): Call for determining indirect/virtual
10995 (tree_indirect_call_to_profile): New function
10996 (tree_ic_transform): New function
10997 (tree_ic): New function
10998 (find_func_by_pid): New function
10999 (init_pid_map): New function
11000 (tree_value_profile_transformations): Added check for
11001 indirect/virtual call transformation
11002 * value-prof.h (enum hist_type): New counter type for
11003 indirect/virtual calls
11004 (profile_hooks): Added new hook for profiling indirect/virtual
11006 * profile.c (instrument_values): New case for indirect/virtual
11008 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
11009 (GCOV_COUNTER_V_INDIR): New counter type
11010 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
11011 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
11013 * cgraph.c: Definition of cgraph_max_pid
11014 (cgraph_create_node): Default init of pid attribute
11015 * cgraph.h: Declaration of cgraph_max_pid
11016 (struct cgraph_node): Added pid attribute
11017 * libgcov.c (__gcov_indirect_call_profiler): New function
11018 (__gcov_one_value_profiler_body): New function
11019 (__gcov_one_value_profiler): Body was moved to
11020 __gcov_one_value_profiler_body and calls it
11022 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
11024 * doc/gty.texi (Options): Document the mark_hook option to GTY.
11025 * gengtype.c (write_types_data, write_func_for_structure,
11026 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
11027 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
11028 (walk_type, write_func_for_structure): Generate the mark_hook if
11031 2007-01-19 Jan Hubicka <jh@suse.cz>
11033 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
11034 'early' argument take inlining mode argument specifying whether to
11035 inline for size/speeed or all functions; add support for flattening;
11037 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
11039 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11042 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
11043 the name of the declared identifier.
11045 2007-01-19 Dirk Mueller <dmueller@suse.de>
11047 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
11048 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
11049 duplicate evaluation.
11051 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
11053 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
11054 Macroize expander using X87MODEF12 mode macro. Extend operand 1
11055 to XFMode, use acosxf2 and truncate result to requested mode.
11056 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11057 (asin<mode>2): Similarly, with asin expanders.
11058 (*fscalexf4_i387): Rename from *fscalexf4.
11059 (expNcorexf3): New expander.
11060 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
11061 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
11062 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
11063 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
11064 patterns for SSE math.
11065 (exp10<mode>2): Similarly, with exp10 expanders.
11066 (exp2<mode>2): Similarly, with exp2 expanders.
11067 (expm1<mode>2): Similarly, with expm1 expanders.
11068 (ldexp<mode>3): Similarly, with ldexp expanders.
11069 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
11070 Use gen_truncxf<mode>2_i387_noop to truncate result.
11072 2007-01-19 Richard Sandiford <richard@codesourcery.com>
11074 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
11075 for ColdFire targets.
11077 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
11078 Richard Sandiford <richard@codesourcery.com>
11080 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
11081 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
11082 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
11083 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
11084 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
11085 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
11087 2007-01-19 Richard Sandiford <richard@codesourcery.com>
11089 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
11090 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
11091 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
11092 (*adddi_dilshr32_cf): New pattern.
11093 (adddi3, subdi3): Remove first alternatives.
11095 2007-01-19 Richard Sandiford <richard@codesourcery.com>
11097 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
11098 implemented using move.l, do not use its cc result for floating-point
11101 2007-01-19 Richard Sandiford <richard@codesourcery.com>
11103 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
11104 from accepting 's' constraints if flag_pic.
11106 2007-01-19 Richard Sandiford <richard@codesourcery.com>
11108 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
11109 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
11110 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
11111 condition from TARGET_68881 to TARGET_HARD_FLOAT.
11113 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
11115 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
11116 ColdFire alternatives.
11117 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
11118 * config/m68k/m68k.md (clzsi2): Define for ColdFire
11119 architectures that support ff1 instruction.
11121 2007-01-19 Richard Sandiford <richard@codesourcery.com>
11122 Julian Brown <julian@codesourcery.com>
11124 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
11125 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
11126 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
11129 2007-01-19 Richard Sandiford <richard@codesourcery.com>
11131 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
11133 (output_move_const_into_data_reg, output_move_simode_const): Delete.
11134 * config/m68k/m68k.c (const_method, const_int_cost): Take a
11135 HOST_WIDE_INT instead of an rtx.
11136 (m68k_rtx_costs): Update call accordingly.
11137 (output_move_const_into_data_reg): Likewise. Fix formatting.
11138 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
11140 (output_move_simode_const): Update calls after above changes.
11141 Rework to use automatic variables and predicates like MEM_P.
11142 * config/m68k/m68k.md (pushexthisi_const): Update call to
11145 2007-01-19 Dirk Mueller <dmueller@suse.de>
11147 * tree-ssa-alias.c (perform_var_substitution): Fix typo
11148 in dump_flags test.
11150 2007-01-19 Richard Guenther <rguenther@suse.de>
11152 * builtins.c (expand_builtin_cexpi): Fall back to expanding
11153 via cexp in case sincos is not available.
11155 2007-01-19 Richard Guenther <rguenther@suse.de>
11157 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
11158 * defaults.h (TARGET_HAS_SINCOS): Default to off.
11159 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
11160 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
11161 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
11162 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
11163 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
11164 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
11166 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
11168 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
11170 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
11171 (atan2xf3): Directly generate RTL pattern.
11172 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
11173 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
11174 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
11175 disable patterns for SSE math.
11176 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
11177 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
11178 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
11179 disable patterns for SSE math.
11181 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
11183 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
11185 2007-01-18 Roger Sayle <roger@eyesopen.com>
11187 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
11188 VIEW_CONVERT_EXPR to the same type as it's operand.
11190 2007-01-18 David Edelsohn <edelsohn@gnu.org>
11192 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
11193 configured for long double 128.
11195 2007-01-18 Mike Stump <mrs@apple.com>
11197 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
11200 2007-01-18 Michael Meissner <michael.meissner@amd.com>
11202 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
11205 2007-01-18 Jan Hubicka <jh@suse.cz>
11207 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
11208 greater than NUM_VOP_FREE_BUCKETS.
11210 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
11212 * tree-ssa-structalias.c: Update comments.
11213 (ptabitmap_obstack): Removed.
11214 (pta_obstack): New.
11215 (oldpta_obstack): Ditto.
11216 (stats): Add a few members.
11217 (struct variable_info): Remove node, complex, address_taken, and
11218 indirect_target members. Add oldsolution member.
11219 (new_var_info): Do not initialize removed members.
11220 (constraint_expr_type): Remove INCLUDES.
11221 (constraint_graph): Add size, implicit_preds, rep,
11222 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
11223 (FIRST_REF_NODE): New macro.
11224 (LAST_REF_NODE): Ditto.
11225 (FIRST_ADDR_NODE): Ditto.
11226 (find): New function.
11228 (dump_constraint): Do not handle INCLUDES.
11229 (insert_into_complex): Do not insert duplicate constraints.
11230 (condense_varmap_nodes): Renamed and rewritten into ...
11231 (merge_node_constraints): This. Also fix bug in handling of
11232 offseted copy constraints.
11233 (clear_edges_for_node): No longer need to deal with preds at all,
11234 or removing associated preds/succs.
11235 (merge_graph_nodes): Deal with indirect_cycles.
11236 Don't deal with predecessors.
11237 (add_implicit_graph_edge): New function.
11238 (add_pred_graph_edge): Ditto.
11239 (add_graph_edge): Don't deal with predecessors.
11240 (build_constraint_graph): Removed.
11241 (build_pred_graph): New function.
11242 (build_succ_graph): Ditto.
11243 (struct scc_info): Removed in_component. Added roots, dfs, and
11244 node_mapping. Remove visited_index, unification_queue.
11245 (scc_visit): Deal with union-find we do now.
11246 Deal with cycles with REF nodes.
11247 (collapse_nodes): Renamed and rewritten to ...
11248 (unify_nodes): This.
11249 (process_unification_queue): Removed.
11250 (topo_visit): Cleanup
11251 (do_da_constraint): Use find.
11252 (do_sd_constraint): Ditto.
11253 (do_ds_constraint): Ditto.
11254 (do_complex_constraint): Ditto.
11255 (init_scc_info): Update for removed and added members.
11256 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
11257 (find_indirect_cycles): This.
11258 (equivalence_class): New variable.
11259 (label_visit): New function.
11260 (perform_variable_substitution): Rewritten.
11261 (free_var_substitution_info): New function.
11262 (find_equivalent_node): Ditto.
11263 (move_complex_constraints): Ditto.
11264 (eliminate_indirect_cycles): Ditto.
11265 (solve_graph): Only propagate changed bits.
11266 Use indirect cycle elimination.
11268 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
11269 (tree_id_eq): Renamed to ...
11270 (tree_vi_eq): This. Update for member change
11271 (insert_id_for_tree): Renamed and rewritten to ...
11272 (insert_vi_for_tree): This.
11273 (lookup_id_for_tree): Renamed and rewritten to ...
11274 (lookup_vi_for_tree): This.
11275 (get_id_for_tree): Renamed and rewritten to ...
11276 (get_vi_for_tree): Ditto.
11277 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
11278 (process_constraint): Don't handle INCLUDES.
11279 Remove special ADDRESSOF case.
11280 (find_func_aliases): Rewrite to use vi functions instead of id
11282 (create_function_info_for): Ditto.
11283 (create_variable_info_for): Ditto.
11284 (intra_create_variable_infos): Ditto.
11285 (merge_smts_into): Ditto.
11286 (find_what_p_points_to): Ditto.
11287 (init_base_vars): Ditto.
11288 (init_alias_vars): Ditto.
11289 (remove_preds_and_fake_succs): New function.
11290 (dump_sa_points_to_info): Dump new stats.
11291 (dump_solution_for_var): Use find.
11292 (set_used_smts): Fix formatting.
11293 (compute_points_to_sets): Updated for new functions.
11294 (ipa_pta_execute): Ditto.
11296 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
11297 Richard Sandiford <richard@codesourcery.com>
11299 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
11301 * calls.c (expand_call): If the return value is a PARALLEL,
11302 extract its first member.
11303 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
11304 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
11305 use FUNCTION_EXTRA_EPILOGUE.
11306 (m68k_function_value): Return a PARALLEL if the return value
11307 is of a pointer type.
11308 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
11309 (FUNCTION_EXTRA_EPILOGUE): Remove.
11310 * config/m68k/m68k.md (D0_REG): New constant.
11312 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
11314 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
11315 output a NOP for empty epilogues.
11317 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11319 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
11320 before function. Extend register save check to include all
11321 registers, not just integer ones.
11323 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
11325 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
11326 (m68k_use_return_insn): ...this.
11327 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
11328 * config/m68k/m68k.c (use_return_insn): Rename to...
11329 (m68k_use_return_insn): ...this.
11330 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
11331 of USE_RETURN_INSN.
11333 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11335 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
11336 nearest even, fix denormal rounding overflow.
11338 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11340 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
11341 f%$smove and f%$move.
11342 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
11343 (extendsfdf2_cf): Use fdmove instead of f%&move.
11344 (truncdfsf2_cf): Use fsmove instead of f%$smove.
11345 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
11347 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11349 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
11352 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11354 * real.h (real_format): Add a canonical_nan_lsbs_set field.
11355 (coldfire_single_format): Declare.
11356 (coldfire_double_format): Likewise.
11357 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
11358 of qnan_msb_set to determine the lower bits of a canonical
11360 (encode_ieee_double): Likewise.
11361 (encode_ieee_quad): Likewise.
11362 (ieee_single_format): Initialize canonical_nan_lsbs_set.
11363 (mips_single_format): Likewise.
11364 (ieee_double_format): Likewise.
11365 (mips_double_format): Likewise.
11366 (ieee_extended_motorola_format): Likewise.
11367 (ieee_extended_intel_96_format): Likewise.
11368 (ieee_extended_intel_128_format): Likewise.
11369 (ieee_extended_intel_96_round_53_format): Likewise.
11370 (ibm_extended_format): Likewise.
11371 (mips_extended_format): Likewise.
11372 (ieee_quad_format): Likewise.
11373 (mips_quad_format): Likewise.
11374 (vax_f_format): Likewise.
11375 (vax_d_format): Likewise.
11376 (vax_g_format): Likewise.
11377 (i370_single_format): Likewise.
11378 (i370_double_format): Likewise.
11379 (decimal_single_format): Likewise.
11380 (decimal_double_format): Likewise.
11381 (decimal_quad_format): Likewise.
11382 (c4x_single_format): Likewise.
11383 (c4x_extended_format): Likewise.
11384 (real_internal_format): Likewise.
11385 (coldfire_single_format): New real_format.
11386 (coldfire_double_format): Likewise.
11387 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
11388 canonical_nan_lsbs_set.
11389 (pdp11_d_format): Likewise.
11390 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
11391 if TARGET_COLDFIRE_CPU.
11393 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11395 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
11396 (output_call, m68k_legitimize_call_address): Declare.
11397 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
11398 parenthesees. Add support for a 'W' constraint.
11399 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
11400 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
11401 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
11402 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
11404 (override_options): Initialize them. Do not set flag_no_function_cse
11405 for TARGET_ID_SHARED_LIBRARY.
11406 (m68k_output_pic_call): Delete.
11407 (m68k_legitimize_call_address): New function.
11408 (print_operand): Remove the %o prefix. Handle the %p prefix.
11409 (output_call): New function.
11410 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
11411 target address from the GOT if symbolic jumps are not allowed.
11412 * config/m68k/m68k.md (call, general_operand): Do not set
11413 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
11414 Merge separate flag_pic and !flag_pic define_insns into...
11415 (*call, *call_value): ...these new patterns. Match the address
11416 rather than the containing MEM and require it to be a call_operand.
11417 Use output_call to generate the asm template.
11418 * config/m68k/predicates.md (const_call_operand): New predicate.
11419 (call_operand): Likewise.
11421 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11423 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
11424 (STACK_GROWS_DOWNWARD): Define to 1.
11425 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
11426 comments, emphasizing that these values are only defaults.
11427 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
11428 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
11430 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11432 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
11434 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
11435 Richard Sandiford <richard@codesourcery.com>
11437 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
11438 (FP_REGNO_P): New macros.
11439 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
11440 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
11441 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
11442 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
11444 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11446 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11447 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
11449 * config/m68k/t-floatlib: New file, extracting common code from...
11450 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
11451 * config/m68k/t-uclinux: Here.
11452 * config/m68k/fpgnulib.c: Do not compile extendeed precision
11453 routines on ColdFire targets.
11455 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
11457 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
11458 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
11459 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
11460 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
11461 explicitly set MOTOROLA to 1.
11462 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
11464 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11465 Nathan Sidwell <nathan@codesourcery.com>
11467 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
11468 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
11469 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
11470 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
11471 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
11472 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
11473 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
11474 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
11475 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
11476 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11477 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
11478 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
11479 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
11480 (DBX_REGISTER_NUMBER): Delete.
11481 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
11482 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
11483 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
11485 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11487 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
11488 * config/flat.h: New file.
11489 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
11490 OBJECT_FORMAT_FLAT.
11491 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
11492 indirect references for -msep-data or -mid-shared-library.
11493 Do not use PC-relative code addresses either.
11494 * config/m68k/m68k.c (override_options): Restrict -fPIC error
11496 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
11497 for shared libraries and crt1.o for executables. Use crti.o and
11499 (ENDFILE_SPEC): Use crtend.o and crtn.o.
11500 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
11501 Do not add -elf2flt or -shared-lib-id options here.
11502 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
11503 Pass -shared-lib-id if -mid-shared-library, taking the library
11504 identifier from -mshared-library-id if given, otherwise
11506 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
11507 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
11508 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
11509 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
11510 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
11511 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
11513 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
11514 jump sequence for ISA A and ISA A+.
11515 (PICJUMP): Likewise.
11517 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11519 * config.gcc (m68k-*-uclinux*): Base the port on the common
11520 and m68k GNU/Linux files rather than on the generic ELF ones.
11521 * config/m68k/uclinux.h (TARGET_VERSION): Override.
11522 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
11524 2007-01-18 Julian Brown <julian@codesourcery.com>
11525 Richard Sandiford <richard@codesourcery.com>
11527 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
11528 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11529 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
11531 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
11532 80 unconditionally.
11533 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
11535 2007-01-18 Richard Sandiford <richard@codesourcery.com>
11537 * doc/install.texi: Document m68k-uclinuxoldabi.
11538 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
11539 * config/m68k/uclinux-oldabi.h: New file, copied from
11540 config/m68k/uclinux.h.
11542 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
11544 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
11545 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
11546 (m32r_compute_frame_size): Use unsigned for regno.
11547 (m32r_reload_lr): Use gen_frame_mem.
11549 (m32r_output_function_epilogue): Don't output the function epilogue
11551 (m32r_expand_epilogue): New.
11552 (direct_return): Return false if the function has the interrupt
11554 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
11555 * config/m32r/m32r.md (epilogue): New expander.
11556 (return_lr, return_rte): New insns.
11557 (return): Make it expander.
11558 (return_normal): New expander.
11560 2007-01-18 Josh Conner <jconner@apple.com>
11563 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
11564 support for UNLE, UNLT, UNGE, and UNGT.
11566 2007-01-18 Jan Hubicka <jh@suse.cz>
11568 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
11569 * tree-tailcall (add_virtual_phis): Likewise.
11570 (optimize_tail_call): Return TODOs.
11571 (execute_tail_calls): Return TODOs.
11572 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
11573 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
11575 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
11576 Cleanup cfg using TODO.
11577 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
11578 * passes.c (execute_function_todo): When cleanup did something, remove
11580 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
11581 (make_edges): Don't cleanup_cfg.
11583 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
11585 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
11586 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
11587 operate on the top of stack.
11588 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
11589 register handling of instructions that output to the second
11591 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
11592 (move_for_stack_reg): Special-case check for dead destination
11593 stack slot for constant load of 1.0 inside UNSPEC_TAN.
11595 * config/i386/i386.md (UNSPEC_TAN): New constant.
11596 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
11597 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
11598 to correctly model move of constant 1.0 to top stack slot.
11599 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
11600 (unnamed peephole2 pattern): Remove corresponding peephole2
11601 pattern that optimizes tan insn and loading of constant 1.0.
11602 (tanxf2): Use fptanxf4_i387.
11603 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
11604 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
11605 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
11606 disable patterns for SSE math.
11607 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
11608 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
11610 2007-01-18 Dirk Mueller <dmueller@suse.de>
11611 Richard Guenther <rguenther@suse.de>
11614 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
11615 * common.opt (Warray-bounds): Add new warning option.
11616 * c-opts.c (c_common_handle_option): Define -Warray-bounds
11618 * Makefile.in: make tree-vrp.o depend on toplev.h
11619 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
11621 (check_array_refs, check_array_bounds, check_array_ref): New.
11623 2007-01-18 Jan Hubicka <jh@suse.cz>
11625 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
11626 (execute_ssa_ccp): Return flags conditionally.
11627 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
11629 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
11631 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
11633 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
11634 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
11636 * Makefile.c (GTFILES): Add cfglayout.h.
11637 * gengtype.c (open_base_files): Likewise.
11638 * cfglayout.c (cfg_layout_function_footer,
11639 cfg_layout_function_header) Reindent to make gengtype happy.
11640 * cfglayout.h (cfg_layout_function_footer,
11641 cfg_layout_function_header): Add GTY(()) marker.
11643 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
11645 2007-01-18 Ben Elliston <bje@au.ibm.com>
11647 * genautomata.c (write_automata): Include xstrerror output in the
11648 error message if writing the DFA description file fails.
11650 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
11652 * config/mips/mips-protos.h (mips_output_external): Make it
11654 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
11655 * config/mips/mips.c (irix_output_external_libcall): Likewise.
11656 (extern_list): Likewise.
11657 (extern_head): Likewise.
11658 (TARGET_ASM_FILE_END): Likewise.
11659 (mips_file_end): Likewise.
11660 (mips_output_external): Rewritten.
11662 2007-01-18 Ben Elliston <bje@au.ibm.com>
11664 * genpreds.c (write_insn_preds_c): Only write out the function
11665 body for regclass_for_constraint if we have register constraints.
11667 2007-01-17 Tom Tromey <tromey@redhat.com>
11669 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
11670 * doc/install.texi (Testing): Use sourceware.org.
11671 (Binaries): Likewise.
11672 (Specific): Likewise.
11673 * doc/contrib.texi (Contributors): Use sourceware.org.
11675 2007-01-17 Anatoly Sokolov <aesok@post.ru>
11677 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
11678 (AVR_ENHANCED): Rename to ...
11679 (AVR_HAVE_MUL): ... new.
11680 (avr_enhanced_p): Rename to ...
11681 (avr_have_mul_p): ... new.
11682 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
11683 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
11684 * config/avr/avr.c (avr_enhanced_p): Rename to ...
11685 (avr_have_mul_p): ... new.
11686 (base_arch_s): Rename 'enhanced' to 'have_mul'.
11687 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
11688 'avr_enhanced_p' and 'enhanced'.
11689 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
11690 AVR_HAVE_MUL instead of AVR_ENHANCED.
11691 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11692 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
11693 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
11694 instead of AVR_ENHANCED.
11695 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
11696 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
11697 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
11699 2007-01-17 Ian Lance Taylor <iant@google.com>
11701 * vec.h (VEC_reserve_exact): Define.
11702 (vec_gc_p_reserve_exact): Declare.
11703 (vec_gc_o_reserve_exact): Declare.
11704 (vec_heap_p_reserve_exact): Declare.
11705 (vec_heap_o_reserve_exact): Declare.
11706 (VEC_OP (T,A,reserve_exact)): New static inline function, three
11708 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
11709 negative parameter.
11710 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
11711 (VEC_OP (T,A,copy)) [all versions]: Likewise.
11712 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
11713 * vec.c (calculate_allocation): Add exact parameter. Change all
11715 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
11716 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
11717 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
11718 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
11719 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
11720 (vec_heap_p_reserve_exact): New function.
11721 (vec_heap_o_reserve_exact): New function.
11723 2007-01-17 Jan Hubicka <jh@suse.cz>
11725 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
11727 2007-01-17 Eric Christopher <echristo@apple.com>
11729 * config.gcc: Support core2 processor.
11731 2007-01-16 Jan Hubicka <jh@suse.cz>
11733 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
11734 the names, just unlink the chain so we don't crash on dangling pointers
11737 2007-01-16 Jan Hubicka <jh@suse.cz>
11739 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
11740 * tree-pass.h: Reorder to make IPA passes appear toegher.
11741 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
11742 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
11743 parameters, do not call early inliner.
11744 * ipa-inline.c: Update comments. Include tree-flow.h
11745 (cgraph_decide_inlining): Do not compute inlining parameters.
11746 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
11747 be called with function context set up.
11748 (pass_ipa_inline): Remove unreachable functions before pass.
11749 (cgraph_early_inlining): Simplify assuming to be called from the
11751 (pass_early_inline): New pass.
11752 (cgraph_gate_ipa_early_inlining): New gate.
11753 (pass_ipa_early_inline): Turn into simple wrapper.
11754 (compute_inline_parameters): New function.
11755 (gate_inline_passes): New gate.
11756 (pass_inline_parameters): New pass.
11757 (apply_inline): Move here from tree-optimize.c
11758 (pass_apply_inline): New pass.
11759 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
11761 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
11762 doing them by hand.
11763 (tree_function_versioning): Do not allocate dummy struct function.
11764 * tree-inline.h (optimize_inline_calls): Update prototype.
11765 * tree-optimize.c (execute_fixup_cfg): Export.
11766 (pass_fixup_cfg): Remove
11767 (tree_rest_of_compilation): Do not apply inlines.
11768 * tree-flow.h (execute_fixup_cfg): Declare.
11769 * Makefile.in (gt-passes.c): New.
11770 * passes.c: Include gt-passes.h
11771 (init_optimization_passes): New passes.
11772 (nnodes, order): New static vars.
11773 (do_per_function_toporder): New function.
11774 (execute_one_pass): Dump current pass here.
11775 (execute_ipa_pass_list): Don't dump current pass here.
11777 2007-01-16 Janis Johnson <janis187@us.ibm.com>
11779 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
11780 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
11782 2007-01-16 David Edelsohn <edelsohn@gnu.org>
11784 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
11785 (strong_alias): Define.
11786 (__gcc_qmul): Provide non-FMA for soft-float.
11787 (__gcc_qdiv): Same.
11792 (__gcc_qunord): New.
11802 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
11803 soft-float functions.
11804 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
11805 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
11806 about long double soft float.
11808 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
11809 Tehila Meyzels <tehila@il.ibm.com>
11811 * tree-vectorizer.h (is_pattern_stmt_p): New.
11812 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
11813 formatting (tabs instead of spaces). Cleanup and clarify setting
11814 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
11815 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
11816 (vectorizable_type_demotion): Check that types are integral.
11817 (vectorizable_type_promotion): Likewise.
11818 (vectorizable_store): Fix typo. Eliminate new-line at end of
11821 2007-01-16 Jan Hubicka <jh@suse.cz>
11823 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
11826 2007-01-15 Eric Christopher <echristo@apple.com>
11828 * ifcvt.c: Include vec.h, vecprim.h.
11829 (check_cond_move_block): New argument regs.
11830 Reorganize. Add registers used to regs.
11831 (cond_move_process_if_block): Use regs set above as
11834 2007-01-15 Eric Christopher <echristo@apple.com>
11836 * config/darwin.h: Update copyright.
11837 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
11838 (LINK_COMMAND_SPEC): Add -u.
11839 (LINK_SPEC): Fix umbrella for above.
11841 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
11843 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
11846 2007-01-15 Tom Tromey <tromey@redhat.com>
11848 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
11849 * doc/install.texi (Testing): Don't mention jacks.
11850 (Configuration): Document --enable-java-maintainer-mode. Move
11851 --with-java-home to libgcj-specific section. Document
11853 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
11855 2007-01-15 Jan Hubicka <jh@suse.cz>
11857 * tree-ssa-dce.c (DCE_TODOs): New.
11858 (propagate_necessity): Return if something changed.
11859 (eliminate_unnecessary_stmts): Likewise.
11860 (perform_tree_ssa_dce): Return TODO flags when needed.
11861 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
11863 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
11865 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
11866 (fyl2x_extend<mode>xf3_i387): New insn pattern.
11867 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
11868 patterns using X87MODEF12 mode macro. Extend operand 1
11869 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
11870 (log10<mode>2): Ditto.
11871 (log2<mode>2): Ditto.
11872 (log1p<mode>2): Ditto.
11873 (logb<mode>2): Ditto.
11874 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
11875 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
11876 (*fxtractxf3_i387): Rename from *fxtractxf3.
11877 (fxtract_extend<mode>xf3_i387): New insn pattern.
11878 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
11879 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
11880 and gen_fyl2xxf3_i387().
11882 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
11884 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
11885 * cfgloopmanip.c (fix_loop_placement): Made static. Use
11886 get_loop_exit_edges. Changed return type to bool.
11887 * cfgloop.h (fix_loop_placement): Declaration removed.
11889 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
11891 * param.h (MIN_VECT_LOOP_BOUND): New.
11892 * params.def (MIN_VECT_LOOP_BOUND): New.
11893 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
11894 argument - minimum threshold for number of iterations.
11895 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
11896 argument to declaration.
11897 * tree-vect-analyze.c (vect_analyze_operations): Check value of
11898 MIN_VECT_LOOP_BOUND.
11899 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
11900 slpeel_tree_peel_loop_to_edge with additional argument.
11901 (vect_do_peeling_for_alignment): Likewise.
11902 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
11904 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
11907 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
11908 operands of size 1.
11910 2007-01-14 Jan Hubicka <jh@suse.cz>
11912 * tree-dfa.c (remove_referenced_var): New function.
11913 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
11914 prune referenced vars list too.
11915 * tree-flow.h (remove_referenced_var): Declare.
11917 2007-01-14 Jan Hubicka <jh@suse.cz>
11919 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
11921 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
11922 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
11923 * except.h (verify_eh_throw_table_statements): Kill prototype.
11924 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
11925 into call exrepssions.
11926 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
11928 * tree-cfg.c: Include pointer-set.h.
11929 (verify_node_sharing): Work on pointer set.
11930 (verify_eh_throw_stmt_node): New.
11931 (verify_stmts): Use pointers sets, verify throw_stmt.
11933 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
11935 * ipa-reference.c (analyze_function): Consider also addresses taken
11938 2007-01-12 Roger Sayle <roger@eyesopen.com>
11940 * c-typeck.c (null_pointer_constant_p): Replace use of
11941 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11942 (build_c_cast): Likewise.
11944 2007-01-12 Roger Sayle <roger@eyesopen.com>
11946 * tree.h (force_fit_type_double): Remove unused final argument.
11947 * c-common.c (constant_expression_warning): Replace use of
11948 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
11949 (convert_and_check): Likewise.
11950 (shorten_compare): Update call to force_fit_type_double.
11951 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
11952 * convert.c (convert_to_pointer): Update call to
11953 force_fit_type_double.
11954 * fold-const.c (force_fit_type_double): Remove overflowed_const
11956 (int_const_binop, fold_convert_const_int_from_int,
11957 fold_convert_const_int_from_real, fold_div_compare,
11958 fold_sign_changed_comparison, fold_unary, fold_negate_const,
11959 fold_abs_const, fold_not_const): Remove the final argument from
11960 calls to force_fit_type_double.
11962 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
11964 * configure.ac: Set insn to "nop" for spu-*-* also.
11965 * configure: Regenerate.
11967 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
11969 * builtins.def : Add BUILT_IN_FREE.
11971 2007-01-12 Jan Hubicka <jh@suse.cz>
11973 PR tree-optimization/30443
11974 * tree-inline.c (tree_function_versioning): Do not optimize when
11975 cloning for inlining.
11977 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
11979 * doc/loop.texi: Document recording of loop exits.
11980 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
11981 (update_single_exits_after_duplication,
11982 update_single_exit_for_duplicated_loop,
11983 update_single_exit_for_duplicated_loops): Removed.
11984 (duplicate_loop_to_header_edge): Do not call
11985 update_single_exits_after_duplication and
11986 update_single_exit_for_duplicated_loops.
11987 (loop_version): Do not update single_exit information.
11988 (fix_loop_structure): Use record_loop_exits instead of
11989 mark_single_exit_loops.
11990 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
11991 the lists of loop exits.
11992 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
11993 split_edge, merge_blocks): Update the lists of loop exits.
11994 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
11995 loop_optimizer_init.
11996 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
11997 of mark_single_exit_loops.
11998 (loop_optimizer_finalize): Call release_recorded_exits.
11999 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
12000 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
12001 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
12002 update single exit information.
12003 * lambda-code.c (perfect_nestify): Ditto.
12004 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
12005 (mark_single_exit_loops): Removed.
12006 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
12007 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
12008 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
12010 (get_loop_exit_edges, single_exit): Use recorded exit lists.
12011 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
12012 (verify_loop_structure): Verify consistency of the exit lists.
12013 (flow_loops_find): Use alloc_loop. Initialize exits hash.
12014 (set_single_exit): Removed.
12015 * cfgloop.h (struct loop_exit): New function.
12016 (struct loop): single_exit_ field replaced by exits field.
12017 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
12018 (struct loops): Added exits hash.
12019 (mark_single_exit_loops, set_single_exit): Declaration removed.
12020 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
12022 2007-01-12 Richard Sandiford <richard@codesourcery.com>
12024 * doc/invoke.texi: Avoid use of @headitem.
12026 2007-01-12 Richard Sandiford <richard@codesourcery.com>
12028 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
12030 2007-01-12 Richard Sandiford <richard@codesourcery.com>
12032 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
12035 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
12036 Richard Sandiford <richard@codesourcery.com>
12038 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
12039 * config/m68k/m68k.opt: Resort options.
12040 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
12042 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
12043 Richard Sandiford <richard@codesourcery.com>
12045 * doc/invoke.texi: Document the macros that are defined by
12046 m68k's -mtune and -mhard-float options.
12047 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
12048 (m68k_cpp_cpu_family): Likewise.
12049 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
12050 of __ucfv*__ macros. Define __mcffpu__ if generating code for
12051 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
12052 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
12053 (m68k_cpp_cpu_family): Likewise.
12055 2007-01-12 Richard Sandiford <richard@codesourcery.com>
12057 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
12058 macros besides mc68000 as tuning macros. Use a switch statement
12059 to set them and mcpu32.
12061 2007-01-12 Julian Brown <julian@codesourcery.com>
12063 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
12064 (TARGET_68040_ONLY): Rename to...
12065 (TARGET_68040): ...this.
12066 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
12067 * config/m68k/m68k.md: Likewise.
12069 2007-01-12 Julian Brown <julian@codesourcery.com>
12070 Nathan Sidwell <nathan@codesourcery.com>
12071 Richard Sandiford <richard@codesourcery.com>
12073 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
12074 the -mcpu= argument associated with the --with-cpu setting.
12075 Define M68K_DEFAULT_TUNE to the default -mtune= option,
12076 if different from the one implied by the -mcpu setting.
12077 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
12078 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
12079 * doc/invoke.texi: Mention ColdFire in the introduction to the
12080 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
12081 -mno-div and -mhard-float options. Make -m68881 a synonym for
12082 -mhard-float. Document the previously-undocumented -m5206e,
12083 -m528x, -m5307 and -m5407 options. Tweak the existing option
12084 documentation for consistency.
12085 * doc/install.texi: Mention new --with-cpu arguments.
12086 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
12087 default CPU if neither -mcpu nor -march are specified.
12088 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
12089 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
12090 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
12091 using m68k_tune to decide between families that implement the
12092 same ISA. Use m68k_tune to set __mcfv4e__.
12093 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
12094 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
12095 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
12096 (FL_ISA_C, FL_ISA_MMU): New macros.
12097 (MASK_COLDFIRE): Delete.
12098 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
12099 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
12100 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
12101 (TARGET_HARD_FLOAT): Do not define here.
12102 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
12103 (TUNE_68000): New macro.
12104 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
12105 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
12106 (TUNE_CFV2): Redefine in terms of m68k_tune.
12107 (uarch_type, target_device, fpu_type): New enums.
12108 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
12109 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
12110 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
12111 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
12112 (FL_FOR_isa_c): New macros.
12113 (m68k_isa): New enum.
12114 (m68k_target_selection): New structure.
12115 (all_devices, all_isas, all_microarchs): New tables.
12116 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
12117 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
12118 (MASK_ALL_CPU_BITS): Delete.
12119 (m68k_find_selection): New function.
12120 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
12121 Map the legacy target options to a combination of the new ones.
12122 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
12123 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
12124 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
12126 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
12127 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
12129 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
12130 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
12131 * config/m68k/m68k-devices.def: New file.
12133 2007-01-12 Richard Sandiford <richard@codesourcery.com>
12134 Nathan Sidwell <nathan@codesourcery.com>
12136 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
12137 (SUBTARGET_EXTRA_SPECS): New macros.
12138 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
12139 use %(asm_cpu_spec) instead.
12140 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
12141 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
12142 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
12143 (EXTRA_SPECS): Rename to...
12144 (SUBTARGET_EXTRA_SPECS): ...this.
12146 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
12147 Richard Sandiford <richard@codesourcery.com>
12148 Julian Brown <julian@codesourcery.com>
12150 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
12151 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
12152 to the configuration's default CPU.
12153 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
12154 Remove default masks.
12155 (m680[012]0-*-*): Set the default with_cpu to the first part of
12157 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
12158 (m68k*-*-linux): Extend the --with-cpu handling to...
12159 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
12160 and m68010. Don't set target_cpu_default2.
12161 * doc/install.texi: Document --with-cpu for m68k.
12162 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
12163 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
12164 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
12165 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
12166 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
12167 (ASM_SPEC): Remove use of %(asm_cpu_default).
12168 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
12169 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
12170 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
12171 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
12172 __HAVE_FPU__ if TARGET_HARD_FLOAT.
12173 (TARGET_DEFAULT): Delete.
12174 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
12175 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
12176 (CPP_CPU_SPEC): Delete.
12177 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
12178 the appropriate string.
12179 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
12180 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
12181 (ASM_SPEC): Don't use %(asm_default_spec).
12182 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
12183 TARGET_DEFAULT and add MASK_68881.
12184 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
12186 2007-01-12 Richard Sandiford <richard@codesourcery.com>
12188 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
12189 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
12190 MASK_68010 alongside MASK_68020.
12191 * doc/invoke.texi: Document -m68010.
12192 * config/m68k/m68k.opt (m68010): New.
12193 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
12195 (TUNE_68010): New macro.
12196 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
12197 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
12198 (M68K_CPU_m68332): Add MASK_68010.
12199 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
12200 fallback definition.
12201 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
12203 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
12204 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
12205 to all entries that use MASK_68020.
12206 (output_move_simode_const, output_move_himode, output_move_qimode)
12207 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
12208 instead of TARGET_68020 to select clr behavior. Remove comment
12209 about there being no TARGET_68010.
12210 * config/m68k/m68k.md: Likewise throughout.
12212 2007-01-12 Julian Brown <julian@codesourcery.com>
12214 * config/m68k/m68k.h (TARGET_ISAB): New macro.
12215 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
12216 * config/m68k/m68k.md: Likewise.
12218 2007-01-12 Julian Brown <julian@codesourcery.com>
12220 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
12221 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
12223 2007-01-12 Julian Brown <julian@codesourcery.com>
12225 * config/m68k/m68k.h (TUNE_68040_60): New macro.
12226 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
12227 * config/m68k/m68k.md: Likewise.
12229 2007-01-12 Julian Brown <julian@codesourcery.com>
12230 Richard Sandiford <richard@codesourcery.com>
12232 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
12233 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
12234 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
12236 (TARGET_CPU32): Rename to...
12237 (TUNE_CPU32): ...this.
12238 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
12239 (TUNE_CFV2): New macros.
12240 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
12241 remove conditions that are implied by TARGET_68020.
12242 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
12243 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
12244 (m68k_output_function_epilogue): Likewise.
12245 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
12246 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
12247 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
12248 non-68000 timings. Refactor multiplication and division costs.
12249 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
12250 TUNE_CPU32 instead of TARGET_CPU32.
12251 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
12252 and TUNE_68060 instead of TARGET_68060.
12253 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
12254 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
12256 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
12257 && !TARGET_COLDFIRE" to choose between moveq and clr.
12258 Likewise in the unnamed movsf pattern.
12259 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
12260 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
12263 2007-01-12 Richard Sandiford <richard@codesourcery.com>
12265 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
12266 of tabbing before backslashes.
12268 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12270 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
12271 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
12272 (ASM_OUTPUT_INTERNAL_LABEL): Define.
12274 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12276 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
12277 find_interesting_uses_cond.
12278 (find_interesting_uses_cond): Use extract_cond_operands.
12279 (rewrite_use_compare): Use extract_cond_operands and
12280 force_gimple_operand_bsi. Do not call update_stmt.
12281 (determine_use_iv_cost_condition): Use extract_cond_operands.
12282 Return cheaper of using original bound and changing the exit bound.
12284 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
12286 PR tree-optimization/29516
12287 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
12288 most_expensive_mult_to_index, addr_to_parts,
12289 create_mem_ref, maybe_fold_tmr): Make the type of
12290 fields of TARGET_MEM_REF sizetype.
12291 (move_fixed_address_to_symbol, move_pointer_to_base):
12293 * tree.def (TARGET_MEM_REF): Add comment on types of
12296 2007-01-11 Joseph Myers <joseph@codesourcery.com>
12298 * c-common.c (vector_types_convertible_p): Treat opaque types as
12299 always convertible if they have the same size, but not otherwise.
12301 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
12303 * ifcvt.c (struct noce_if_info): Add comments to the fields.
12304 Remove the b_unconditional field.
12305 (noce_try_sign_mask): Do not look at b_unconditional.
12306 (noce_process_if_block): Do not use merge_if_blocks. Update
12307 the CFG here. Do not set b_unconditional.
12308 (cond_move_process_if_block): Likewise.
12309 (find_cond_trap): Likewise.
12310 (check_cond_move_block): Require simple jump insns at the end
12311 of the basic block.
12313 2007-01-11 Jan Hubicka <jh@suse.cz>
12315 PR tree-optimization/1046
12316 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
12317 when alias info is not ready.
12318 (pass_tail_recursion): Do not require aliasing.
12319 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
12320 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
12321 * tree-ssa-copy.c (pass_copy_prop): Likewise.
12322 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
12323 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
12324 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
12325 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
12327 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
12328 When aliasing is not build, mark statement as volatile.
12330 2007-01-11 Tom Tromey <tromey@redhat.com>
12332 PR preprocessor/15185, PR preprocessor/20989:
12333 * doc/cppopts.texi <-MT>: Update description of algorithm for
12334 computing default target.
12335 <-M, -MD>: Reword "basename" text.
12337 2007-01-11 Roger Sayle <roger@eyesopen.com>
12339 * builtins.c (expand_builtin_pow, expand_builtin_powi,
12340 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
12341 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
12342 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
12343 fold_builtin_bswap, real_constp, fold_builtin_pow,
12344 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
12345 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
12346 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
12347 * convert.c (convert_to_pointer): Likewise.
12348 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
12349 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
12350 const_binop, fold_convert_const_int_from_int,
12351 fold_convert_const_int_from_real,
12352 fold_convert_const_real_from_real, sign_bit_p,
12353 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
12354 fold_sign_changed_comparison, fold_unary, fold_comparison,
12355 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
12356 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
12357 * print-tree.c (print_node_brief, print_node): Likewise.
12358 * stor-layout.c (place_field, layout_type): Likewise.
12359 * tree-chrec.c (keep_cast): Likewise.
12360 * tree.c (build_vector, build_real, build_real_from_int_cst,
12361 build_complex): Likewise.
12363 2007-01-11 Roger Sayle <roger@eyesopen.com>
12365 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
12366 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
12368 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
12370 * configure.ac (strict1_warn): Rename to strict_warn.
12371 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
12372 cc_set_by_configure, quoted_cc_set_by_configure,
12373 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
12374 all_boot_languages, all_stagestuff): Remove.
12375 (target_list): Remove bootstrap targets.
12376 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
12377 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
12378 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
12379 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
12380 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
12381 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
12382 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
12383 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
12384 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
12385 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
12386 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
12387 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
12388 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
12389 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
12390 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
12391 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
12392 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
12393 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
12394 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
12395 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
12396 (mostlyclean): Adjust.
12397 (clean, distclean): Don't mention bootstrap stuff.
12398 * configure: Regenerate.
12399 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
12400 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
12401 treelang/config-lang.in (stagestuff): Remove.
12402 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
12403 stageprofile, stagefeedback, stagestuff): Remove mention.
12405 2007-01-11 Nick Clifton <nickc@redhat.com>
12407 * config/mcore/predicates.md (mcore_general_movesrc_operand):
12409 (mcore_general_movdst_operand): Do not accept CONST_INTs.
12410 (mcore_arith_K_S_operand): Run the test for the S constraint not
12411 the test for the M constraint.
12412 (mcore_addsub_operand): Do not accept integer values that are
12413 larger than 32 bits.
12414 * config/mcore/mcore.md: Remove unused constraints from split.
12415 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
12416 (addsi3): Likewise.
12417 (allocate_stack): Likewise.
12418 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
12419 operands to 32 bits.
12420 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
12422 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
12423 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
12424 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
12425 mcore_output_bclri, mcore_output_andn, output_inline_const,
12426 mcore_output_move, mcore_output_movedouble): Likewise.
12427 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
12428 (output_inline_const): Likewise.
12429 (output_inline_const): Fix format strings used in sprintf
12431 * config/mcore/mcore-protos.h: Update prototypes for changed
12432 functions in mcore.c.
12433 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
12434 HOST_WIDE_INT and not int.
12435 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
12436 CONST_OK_FOR_N): Likewise.
12437 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
12438 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
12441 2007-01-10 Jan Hubicka <jh@suse.cz>
12443 * tree-vrp.c (remove_range_assertions): Release defs.
12444 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
12445 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
12447 2007-01-10 Paul Brook <paul@codesourcery.com>
12449 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
12450 * config/arm/arm.md (mulsi3subsi): New insn.
12452 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
12454 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
12455 (tree_transform_and_unroll_loop): New.
12456 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
12459 2007-01-10 Robert Kennedy <jimbob@google.com>
12461 * fold-const.c (fold_comparison): Fold comparisons like (x *
12462 1000 < 0) to (x < 0).
12464 2007-01-10 Ian Lance Taylor <iant@google.com>
12466 * tree-pretty-print.c (dump_generic_node): Print parentheses when
12467 operands have the same priority.
12469 2007-01-10 Tom Tromey <tromey@redhat.com>
12471 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
12472 (fold_binary): Likewise.
12473 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
12474 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
12475 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
12476 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
12477 * langhooks.h (struct lang_hooks): Removed field
12478 'can_use_bit_fields_p'.
12480 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
12482 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
12484 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
12486 * function.c (get_last_funcdef_no): New function.
12487 * function.h (get_last_funcdef_no): Declare.
12488 * tree-inline.c (initialize_cfun): Add initialization.
12489 (tree_function_versioning): Cleanup.
12491 2007-01-10 Jan Hubicka <jh@suse.cz>
12493 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
12496 2007-01-10 Sa Liu <saliu@de.ibm.com>
12497 Ben Elliston <bje@au.ibm.com>
12499 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
12500 for SAVE_NONLOCAL and Pmode for any other save level.
12501 * spu-protos.h (spu_restore_stack_block): Declare.
12502 * spu.md (save_stack_block): Remove.
12503 (restore_stack_block): Call spu_restore_stack_block.
12504 * spu.c (spu_restore_stack_block): New function.
12505 (spu_expand_epilogue): Remove old comment.
12507 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
12509 PR tree-optimization/30322
12510 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
12511 (cand_value_at): Return the value as aff_tree.
12512 (may_eliminate_iv): Convert the bound from aff_tree to tree.
12513 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
12514 aff_combination_mult): New functions.
12515 (aff_combination_add): Use aff_combination_add_cst.
12516 (aff_combination_convert): Allow conversions to a wider type.
12517 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
12518 * tree-affine.h (aff_combination_mult): Declare.
12520 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
12522 * doc/tm.texi: Update documentation to reflect reality of exec
12523 and start file search behaviours. Update copyright year.
12524 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
12525 header file directories.
12527 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
12529 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
12530 (*cosxf2): Rename to cosxf2_i387.
12531 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
12532 using X87MODEF12 mode macro. Rename patterns to
12533 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
12535 (*cosdf2, *cossf2): Ditto.
12536 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
12537 to match extended input operands.
12538 (sincos<mode>3): New expander.
12539 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
12540 insn patterns and corresponding splitters.
12542 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
12544 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
12545 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
12547 2007-01-09 Nicolas Pitre <nico@cam.org>
12550 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
12552 2007-01-08 Geoffrey Keating <geoffk@apple.com>
12554 * target.h (struct gcc_target): New field library_rtti_comdat.
12555 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
12556 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
12557 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
12558 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
12560 2007-01-08 Geoffrey Keating <geoffk@apple.com>
12562 * doc/invoke.texi (Optimize Options): Correct description of -O0.
12564 2007-01-08 Richard Guenther <rguenther@suse.de>
12566 * tree.h (force_fit_type_double): Export.
12567 (force_fit_type): Remove.
12568 * fold-const.c (force_fit_type_double): New function.
12569 (force_fit_type): Remove.
12570 (int_const_binop): Use it.
12571 (fold_convert_const_int_from_int): Likewise.
12572 (fold_convert_const_int_from_real): Likewise.
12573 (fold_div_compare): Likewise.
12574 (fold_sign_changed_comparison): Likewise.
12575 (fold_unary): Likewise.
12576 (fold_negate_const): Likewise.
12577 (fold_abs_const): Likewise.
12578 (fold_not_const): Likewise.
12579 * c-common.c (shorten_compare): Use force_fit_type_double.
12580 * convert.c (convert_to_pointer): Likewise.
12582 2007-01-08 Richard Guenther <rguenther@suse.de>
12584 * tree.h (build_int_cst_wide_type): Export.
12585 * tree.c (build_int_cst_wide_type): New function.
12586 (build_int_cst_wide): Fix comment.
12587 * builtins.c (fold_builtin_object_size): Use build_int_cst
12588 to build -1 or 0 of the correct type. Use fit_double_type
12589 to check for overflow.
12590 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
12592 (decode_field_reference): Likewise.
12593 (all_ones_mask_p): Likewise.
12594 (native_interpret_int): Use build_int_cst_wide_type.
12595 (fold_binary): Use build_int_cst_type to build an all-ones
12597 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
12599 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
12601 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
12603 2007-01-09 Ben Elliston <bje@au.ibm.com>
12605 * genautomata.c (STATS_OPTION): New option.
12606 (stats_flag): New flag.
12607 (gen_automata_option): Handle it.
12608 (initiate_automaton_gen): Ditto.
12609 (write_automata): Output statistics only if stats_flag is
12610 set. Likewise, output time statistics only if time_flag is set.
12611 * doc/md.texi (Processor pipeline description): Document new flag.
12613 2007-01-08 Richard Guenther <rguenther@suse.de>
12615 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
12616 * tree.c (build_int_cst_type): Likewise.
12617 (size_in_bytes): Don't call force_fit_type on the result.
12618 (int_fits_type_p): Use fit_double_type.
12619 * fold-const.c (fit_double_type): New function.
12620 (force_fit_type): Use it.
12621 * tree.h (fit_double_type): Export.
12623 2007-01-08 Jan Hubicka <jh@suse.cz>
12625 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
12626 * ipa.c (function_and_variable_visibility): Fix return type.
12628 2007-01-08 Richard Guenther <rguenther@suse.de>
12630 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
12631 of offset to build the index.
12632 * tree-pretty-print.c (dump_generic_node): Don't build negated
12633 const just for printing.
12634 * c-pretty-print.c (pp_c_integer_constant): Likewise.
12635 * builtins.c (fold_builtin_int_roundingfn): Check if result
12636 fits the type by using force_fit_type and comparing the result.
12637 * predict.c (predict_loops): Use compare_tree_int for comparison.
12638 * tree.c (build_int_cst): Fall back to integer_type_node for
12640 (build_int_cst_wide): Assert type is non-null.
12642 2007-01-08 Roberto Costa <roberto.costa@st.com>
12644 * tree-vrp.c (extract_range_from_cond_expr): New.
12645 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
12646 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
12648 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
12649 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
12650 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
12651 used as expressions.
12652 * tree-object-size.c (cond_expr_object_size): New.
12653 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
12655 2007-01-08 Jan Hubicka <jh@suse.cz>
12657 * tree-ssa-forwprop.c (forward_propagate_into_cond,
12658 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
12661 2007-01-08 Richard Guenther <rguenther@suse.de>
12663 PR tree-optimization/23603
12664 * tree-vrp.c (set_value_range_to_truthvalue): New function.
12665 (extract_range_from_binary): Fall back to truthvalue instead of
12666 varying for TRUTH_*_EXPR.
12667 (extract_range_from_comparison): Fall back to truthvalue instead of
12669 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
12670 if all visited PHI values were constant.
12672 2007-01-08 Jan Hubicka <jh@suse.cz>
12674 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
12675 (cgraph_analyze_function): break out from ...
12676 (cgraph_finalize_compilation_unit): ... here.
12677 (cgraph_expand_function): Remove forgoten commented out line.
12678 (cgraph_optimize): Analyze functions.
12680 2007-01-08 Jan Hubicka <jh@suse.cz>
12682 * tree-pas.h (TODO_remove_function): New flag.
12683 (TODO_update*): Renumber.
12684 (pass_ipa_increase_alignment,
12685 pass_ipa_function_and_variable_visibility): New passes.
12686 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
12687 (cgraph_function_and_variable_visibility): Move to ipa.c
12688 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
12689 cgraph_increase_alignment.
12690 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
12691 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
12692 calling tree-inline.
12693 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
12694 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
12695 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
12696 (gate_increase_alignment): New function.
12697 (pass_ipa_increase_alignment): New pass.
12698 * ipa.c: Inline tree-pass.h and timevar.h
12699 (function_and_variable_visibility): Move here from cgraphunit.c
12700 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
12701 * passes.c (init_optimization_passes): Add the two new passes.
12702 (execute_todo): Handle cgraph_remove_functions.
12704 2007-01-08 Nick Clifton <nickc@redhat.com>
12706 * config/frv/predicates.md (reg_or_0_operand): Accept
12709 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
12711 * config/bfin/rtems.h, config/bfin/t-rtems: New.
12712 * config.gcc: Add bfin*-rtems*.
12714 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
12716 * c.opt: Add -flax-vector-conversions.
12717 * c-typeck.c (convert_for_assignment): Pass flag to
12718 vector_types_convertible_p to allow emission of note.
12719 (digest_init): Likewise.
12720 * c-opts.c: Handle -flax-vector-conversions.
12721 * c-common.c (flag_lax_vector_conversions): New.
12722 (vector_types_convertible_p): Unless -flax-vector conversions
12723 has been passed, disallow conversions between vectors with
12724 differing numbers of subparts and/or element types. If such
12725 a conversion is disallowed, possibly emit a note on the first
12726 occasion only to inform the user of -flax-vector-conversions.
12727 The new last argument specifies this.
12728 * c-common.h (flag_lax_vector_conversions): New.
12729 (vector_types_convertible_p): Add extra argument.
12730 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
12731 char_type_node for V*QI type vectors.
12732 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
12733 Update to satisfy new typechecking rules.
12734 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
12735 C and C++ variants.
12736 * doc/invoke.texi (C Dialect Options): Document
12737 -flax-vector-conversions.
12739 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
12741 PR tree-optimization/29877
12742 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
12743 a register variable on the RHS to not be replaceable.
12745 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
12746 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
12747 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
12748 const_simm15, const_pow2, const_npow2): Added.
12749 * config/score/misc.md (insv, extv, extzv, movmemsi,
12750 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
12751 * config/score/score.c (score_address_cost, score_select_cc_mode):
12753 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
12754 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
12755 Update score_print_operand.
12756 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
12757 Adjust register allocate order and update some macro define.
12758 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
12759 mdx_block_move_straight, mdx_block_move_loop_head,
12760 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
12761 mdx_block_move): Added.
12762 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
12763 mdp_limm): Updated and fix some bug and typo.
12764 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
12765 (movsf, movdf, doloop_end): Added.
12767 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
12769 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
12770 config/arm/thumb2.md: Fix comment typos.
12771 * doc/extend.texi: Fix a typo.
12773 2007-01-07 Eric Christopher <echristo@apple.com>
12775 * configure.ac: Check for __stack_chk_fail for darwin.
12776 * configure: Regenerate.
12778 2007-01-07 Richard Guenther <rguenther@suse.de>
12780 * tree-vrp.c (extract_range_from_assert): CSE calls to
12781 compare_values where possible.
12782 (extract_range_from_unary_expr): Likewise.
12784 2007-01-07 Anatoly Sokolov <aesok@post.ru>
12786 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
12787 * config/avr/avr.c (call_insn_operand): Delete function.
12788 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
12789 instead of register number. Use predicates.
12790 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
12791 call_insn_operand): Add.
12793 2007-01-06 Jan Hubicka <jh@suse.cz>
12795 * tree-pass.h (pass_build_cgraph_edges): Declare.
12796 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
12797 (visited_nodes): Remove.
12798 (cgraph_create_edges): Move to cgraphbuild.c; rename to
12799 build_cgrpah_edges; make visited_nodes local.
12800 (cgraph_process_new_functions): DO not call initialize_inline_failed.
12801 (record_references_in_initializer): Move to cgraphbuild.c
12802 (initialize_inline_failed, rebuild_cgraph_edges,
12803 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
12804 (verify_cgraph_node): Make visited_nodes local.
12805 (cgraph_analyze_function): Do not call cgraph_create_edges and
12806 initialize_inline_failed.
12807 (cgraph_expand_function): Do not call cgraph_lower_function;
12808 assert that function is already lowered.
12809 * Makefile.in (cgraphbuild.o): New.
12810 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
12811 at the end of lowering passes.
12813 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
12815 * ifcvt.c (cond_move_convert_if_block): New function, code
12816 factored out from...
12817 (cond_move_process_if_block): ...here. Call the new function
12818 on the THEN and ELSE blocks.
12819 (merge_if_block): Do not copy global_live_at_end, merge_blocks
12820 already takes care of this.
12822 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12825 * tree.h (TREE_OVERFLOW_P): New.
12826 * c-typeck.c (parser_build_unary_op): Warn only if result
12827 overflowed and operands did not.
12828 (parser_build_binary_op): Likewise.
12829 (convert_for_assignment): Remove redundant overflow_warning.
12830 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
12832 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12834 * c-typeck.c (store_init_value): Split over two lines to follow
12835 the GNU coding style.
12837 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
12839 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
12840 __GXX_EXPERIMENTAL_CXX0X__.
12841 * doc/cpp.texi: Same.
12843 2007-01-05 Richard Guenther <rguenther@suse.de>
12845 PR middle-end/27826
12846 * tree.c (get_narrower): Do not construct COMPONENT_REFs
12847 with mismatched types. Instead explicitly build a
12848 conversion NOP_EXPR.
12850 2007-01-05 Ian Lance Taylor <iant@google.com>
12852 * c-common.c (decl_with_nonnull_addr_p): New function.
12853 (c_common_truthvalue_conversion): Call it.
12854 * c-typeck.c (build_binary_op): Likewise.
12855 * c-common.h (decl_with_nonnull_addr_p): Declare.
12857 2007-01-05 Jakub Jelinek <jakub@redhat.com>
12860 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
12863 2007-01-05 Joel Brobecker <brobecker@adacore.com>
12865 * doc/install.texi (Final install): Document the fact that
12866 the GNAT runtime should not be stripped.
12868 2007-01-04 Jan Hubicka <jh@suse.cz>
12870 * tree-inline.c (fold_marked_statements): Update operand caches
12871 and EH after folding
12873 2007-01-04 Ian Lance Taylor <iant@google.com>
12875 * c-common.c (check_function_nonnull): Whitespace fix.
12877 2007-01-04 Jan Hubicka <jh@suse.cz>
12879 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
12880 comitted older version of patch.
12881 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
12882 function, celanup cfg and collect garbage.
12884 2007-01-04 Mike Stump <mrs@apple.com>
12886 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
12889 2007-01-04 Eric Christopher <echristo@apple.com>
12891 * libgcc2.c (__bswapsi2): Use SItype.
12892 (__bswapdi2): Use DItype.
12893 * libgcc2.h: Update for above.
12895 2007-01-04 Paul Brook <paul@codesourcery.com>
12897 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
12898 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
12899 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
12900 umulsidi3, umulsidi3adddi, smulsi3_highpart,
12901 umulsi3_highpart): Make conditional on !arm_arch6.
12902 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
12903 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
12904 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
12905 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
12906 umulsi3_highpart_v6): New insns.
12908 2007-01-04 Roger Sayle <roger@eyesopen.com>
12910 * fold-const.c (fold_convert): When casting an expression to void,
12911 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
12912 have a type. Instead of attempting to build a NOP_EXPR, return
12913 these "special" trees directly.
12915 2007-01-04 Joseph Myers <joseph@codesourcery.com>
12917 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
12918 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
12919 rs6000_cost->fp not 0 as adjustment for outer NEG.
12921 2007-01-04 Jan Hubicka <jh@suse.cz>
12923 * cgraph.c (cgraph_release_function_body): New function.
12924 (cgraph_remove_node): Use it.
12925 * cgraph.h (cgraph_release_function_body): Declare.
12926 * cgraphunit.c (cgraph_expand_function): Use it.
12927 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
12928 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
12929 is initialized and while compilation of other function is running.
12930 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
12931 statement CFG annotations from here to ...
12932 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
12934 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
12936 * cfgloop.h (enum li_flags): Make the constants powers of two.
12938 2007-01-04 Jan Hubicka <jh@suse.cz>
12940 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
12942 (fold_marked_statements): New function.
12943 (optimize_inline_calls, tree_function_versioning): Fold new statements.
12944 * tree-inline.h (copy_body_data): Add statements_to_fold.
12946 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
12948 * config.gcc: Mention libgcc/config.host.
12949 * Makefile.in: Update comments mentioning libgcc.
12950 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
12951 (all.cross, start.encap, rest.encap, rest.cross): Update
12952 dependencies for libgcc move.
12953 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
12954 (clean-target, clean-target-libgcc): Delete.
12955 (srcdirify, GCC_EXTRA_PARTS): New macros.
12956 (libgcc-support, libgcc.mvars): New rules.
12957 (distclean): Remove mention of mklibgcc.
12958 (install): Don't reference INSTALL_LIBGCC.
12959 (install-common): Don't reference EXTRA_PARTS.
12960 (install-libgcc, install-multilib): Delete rules.
12961 * mklibgcc.in: Delete file.
12962 * doc/configfiles.texi: Don't mention mklibgcc.
12964 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
12965 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
12966 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
12967 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
12968 (mklibgcc, ldblspecs): Likewise.
12970 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
12971 (posixpre.def): Use $(T).
12972 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
12973 (SHLIB_SRC, SHLIB_INSTALL): Delete.
12974 (SHLIB_LINK): Make dummy.
12975 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
12977 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
12979 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
12980 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
12981 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
12982 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
12984 * configure.ac (all_outputs): Remove mklibgcc.
12985 * configure: Regenerated.
12987 2007-01-03 Josh Conner <jconner@apple.com>
12989 PR middle-end/29683
12990 * calls.c (compute_argument_addresses): Set stack and stack_slot
12991 for partial args, too.
12992 (store_one_arg): Use locate.size.constant for the size when
12993 generating a save_area.
12995 2007-01-03 Robert Kennedy <jimbob@google.com>
12997 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
12998 whose definitions are deleted due to basic block merging.
13000 2007-01-03 Paul Brook <paul@codesourcery.com>
13003 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
13005 (use_return_insn): Return 0 for Thumb interrupt functions.
13006 (print_multi_reg): Add rfe argument for IRQ returns.
13007 (arm_output_epilogue): Pop interrupt return address directly into PC.
13008 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
13010 2007-01-03 Paul Brook <paul@codesourcery.com>
13012 Merge from sourcerygxx-4_1.
13013 * config/arm/thumb2.md: New file.
13014 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
13016 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
13017 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
13018 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
13019 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
13021 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
13022 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
13024 * config/arm/ieee754-sf.S: Ditto.
13025 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
13026 (thumb1_base_register_rtx_p): ... to this.
13027 (thumb_index_register_rtx_p): Rename...
13028 (thumb1_index_register_rtx_p): ... to this.
13029 (thumb_output_function_prologue): Rename...
13030 (thumb1_output_function_prologue): ... to this.
13031 (thumb_legitimate_address_p): Rename...
13032 (thumb1_legitimate_address_p): ... to this.
13033 (thumb_rtx_costs): Rename...
13034 (thumb1_rtx_costs): ... to this.
13035 (thumb_compute_save_reg_mask): Rename...
13036 (thumb1_compute_save_reg_mask): ... to this.
13037 (thumb_final_prescan_insn): Rename...
13038 (thumb1_final_prescan_insn): ... to this.
13039 (thumb_expand_epilogue): Rename...
13040 (thumb1_expand_epilogue): ... to this.
13041 (arm_unwind_emit_stm): Rename...
13042 (arm_unwind_emit_sequence): ... to this.
13043 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
13044 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
13045 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
13046 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
13047 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
13048 thumb2_output_casesi): New functions.
13049 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
13050 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
13051 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
13052 THUMB2_WORK_REGS): Define.
13053 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
13054 arm_condexec_mask, arm_condexec_masklen)): New variables.
13055 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
13056 (arm_override_options): Check new CPU capabilities.
13057 Set new architecture flag variables.
13058 (arm_isr_value): Handle v7m interrupt functions.
13059 (user_return_insn): Return 0 for v7m interrupt functions. Handle
13061 (const_ok_for_arm): Handle Thumb-2 constants.
13062 (arm_gen_constant): Ditto. Use movw when available.
13063 (arm_function_ok_for_sibcall): Return false for v7m interrupt
13065 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
13066 (thumb_find_work_register, arm_load_pic_register,
13067 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
13068 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
13069 print_multi_reg, output_mov_long_double_fpa_from_arm,
13070 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
13071 output_mov_double_fpa_from_arm, output_move_double,
13072 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
13073 output_return_instruction, arm_output_function_prologue,
13074 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
13075 arm_output_mi_thunk, thumb_set_return_address): Ditto.
13076 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
13077 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
13078 (arithmetic_instr, shift_op): Use arm_shift_nmem.
13079 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
13081 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
13082 (thumb_expand_prologue): Use thumb_set_frame_pointer.
13083 (arm_file_start): Output directive for unified syntax.
13084 (arm_unwind_emit_set): Handle stack alignment instruction.
13085 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
13086 Add v6t2, v7, v7a, v7r and v7m.
13087 (RETLDM): Add Thumb-2 code.
13088 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
13089 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
13090 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
13091 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
13092 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
13093 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
13094 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
13095 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
13096 ADJUST_INSN_LENGTH): Define.
13097 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
13098 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
13099 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
13100 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
13101 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
13102 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
13103 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
13104 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
13105 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
13106 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
13107 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
13108 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
13109 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
13110 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
13111 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
13112 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
13113 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
13115 * config/arm/arm-tune.md: Regenerate.
13116 * config/arm/arm-protos.h: Update prototypes.
13117 * config/arm/vfp.md: Enable patterns for Thumb-2.
13118 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
13119 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
13120 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
13121 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
13122 * config/arm/libunwind.S: Add Thumb-2 code.
13123 * config/arm/constraints.md: Update include Thumb-2.
13124 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
13125 * config/arm/ieee754-df.S: Ditto.
13126 * config/arm/bpabi.S: Ditto.
13127 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
13128 * config/arm/predicates.md (low_register_operand,
13129 low_reg_or_int_operand, thumb_16bit_operator): New.
13130 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
13131 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
13132 * config/arm/t-arm-elf: Add armv7 multilib.
13133 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
13135 (UNSPEC_STACK_ALIGN, ce_count): New.
13136 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
13137 arm_zero_extendsidi2, arm_zero_extendqidi2): New
13139 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
13140 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
13141 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
13142 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
13143 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
13144 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
13146 * doc/extend.texi: Document ARMv7-M interrupt functions.
13147 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
13149 2007-01-03 Jakub Jelinek <jakub@redhat.com>
13151 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
13152 (struct _Unwind_Context): Rename args_size to flags, remove
13153 signal_frame field, add a new args_size field and version field.
13154 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
13155 _Unwind_IsExtendedContext): New inline functions.
13156 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13157 Assume by_value array is only present if _Unwind_IsExtendedContext.
13158 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
13159 _Unwind_IsSignalFrame.
13160 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
13161 (uw_update_context_1): Use _Unwind_SetSignalFrame.
13162 (uw_init_context_1): Initialize context->flags to
13163 EXTENDED_CONTEXT_BIT.
13164 * config/rs6000/linux-unwind.h (frob_update_context): Use
13165 _Unwind_SetSignalFrame.
13167 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
13169 PR middle-end/30353
13170 * gimplify.c (gimplify_modify_expr_complex_part): Move below
13171 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
13174 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
13176 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
13177 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
13178 RET, AT_SP): Remove.
13179 * config/i386/i386.md (*sse_prologue_save_insn): Use return
13182 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13183 * cfgbuild.c (find_basic_blocks): Likewise.
13184 * cfgrtl.c (rtl_create_basic_block): Likewise.
13185 * function.c (temp_slots_at_level): Likewise.
13186 * reg-stack.c (stack_regs_mentioned): Likewise.
13187 * regclass.c (allocate_reg_info): Likewise.
13188 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13189 set_bb_for_stmt, move_block_to_fn): Likewise.
13190 * tree-complex.c (tree_lower_complex): Likewise.
13191 * vec.h (VEC_safe_grow_cleared): New.
13193 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
13195 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
13197 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
13198 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
13200 * cfgloopmanip.c (scale_loop_frequencies): Export.
13201 (loopify): Scale the frequencies by prescribed coefficients.
13202 (set_zero_probability): New function.
13203 (duplicate_loop_to_header_edge): Improve updating of frequencies.
13204 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
13205 and frequencies according to arguments.
13206 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
13208 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
13209 * modulo-sched.c (sms_schedule): Set probabilities for entering
13210 versioned loop correctly.
13211 * tree-vect-transform.c (vect_transform_loop): Ditto.
13212 * cfgloop.h (loopify, loop_version): Declaration changed.
13213 (scale_loop_frequencies): Declared.
13215 2007-01-02 Jan Hubicka <jh@suse.cz>
13217 * cgraph.c: Include tree-flow.h
13218 (cgraph_add_new-function): Handle IPA_SSA mode; execute
13219 early_local_passes.
13220 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
13221 * tree-pass.h (pass_all_early_optimizations): Declare.
13222 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
13223 early_local_passes.
13224 (cgraph_analyze_function): Do early_local_passes.
13225 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
13226 Do not add referenced vars.
13227 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
13229 (gate_all_early_local_passes): New gate.
13230 (pass_early_local_passes): Use new gate.
13231 (execute_early_local_optimizations): New functions.
13232 (gate_all_early_optimizations): New gate.
13233 (pass_all_early_optimizations): New pass.
13234 (execute_free_datastructures): Free SSA only when initialized.
13235 (gate_init_datastructures): Init only when optimizing.
13236 (tree_lowering_passes): Do early local passes when called late.
13237 * tree-profile.c (do_tree_profiling): Don't profile functions added
13239 (do_early_tree_profiling, pass_early_tree_profile): Kill.
13240 * tree-cfg.c (update_modified_stmts): Do not update when operands are
13242 * passes.c (init_optimizations_passes): Reorder so we go into SSA
13243 during early_local_passes.
13244 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
13247 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
13249 * Makefile.in: Update copyright year.
13251 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
13253 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
13254 in $(lang_checks) and check-consistency targets.
13256 2007-01-02 Jan Hubicka <jh@suse.cz>
13258 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
13259 Do not add referenced vars.
13260 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
13262 * passes.c (init_optimization_passes): Put mudflap_2 after
13263 free_datastructures.
13265 2007-01-02 Jan Hubicka <jh@suse.cz>
13267 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
13268 Set NOTHROW flag on call statements proved to be nothrow.
13269 Update statement of local calls so new pure/const functions are
13270 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
13272 (tree_rest_of_compilation): Register hooks and initialize bitmap
13273 early. Do not set after_inlining flag.
13275 2007-01-02 Steve Ellcey <sje@cup.hp.com>
13277 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
13278 HOST_BITS_PER_LONGLONG
13280 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13283 * c-typeck.c (store_init_value): Don't emit pedantic overflow
13284 warning for non-static initializers.
13286 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
13288 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
13289 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
13290 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
13291 Always use set_unique_reg_note to add REG_EQUAL notes.
13293 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
13296 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
13298 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13299 * cfgbuild.c (find_basic_blocks): Likewise.
13300 * cfgrtl.c (rtl_create_basic_block): Likewise.
13301 * function.c (temp_slots_at_level): Likewise.
13302 * reg-stack.c (stack_regs_mentioned): Likewise.
13303 * regclass.c (allocate_reg_info): Likewise.
13304 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13305 set_bb_for_stmt, move_block_to_fn): Likewise.
13306 * tree-complex.c (tree_lower_complex): Likewise.
13307 * vec.h (VEC_safe_grow_cleared): New.
13309 2007-01-02 Ian Lance Taylor <iant@google.com>
13311 * c-common.c (c_common_truthvalue_conversion): When warning about
13312 using an assignment as a truth value, set TREE_NO_WARNING.
13314 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13317 * c.opt (Wold-style-declaration): New.
13318 * doc/invoke.texi (C-only Warning Options): New.
13319 (Wold-style-declaration): Document it.
13320 (Wextra): Enabled by -Wextra.
13321 * c-opts.c (c_common_post_options): Enabled by -Wextra.
13322 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
13323 -Wold-style-declaration.
13325 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
13327 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
13328 * cfgbuild.c (find_basic_blocks): Likewise.
13329 * cfgrtl.c (rtl_create_basic_block): Likewise.
13330 * function.c (temp_slots_at_level): Likewise.
13331 * reg-stack.c (stack_regs_mentioned): Likewise.
13332 * regclass.c (allocate_reg_info): Likewise.
13333 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
13334 set_bb_for_stmt, move_block_to_fn): Likewise.
13335 * tree-complex.c (tree_lower_complex): Likewise.
13336 * vec.h (VEC_safe_grow_cleared): New.
13338 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
13340 * c-common.c (c_common_nodes_and_builtins): Since variants of
13341 void_type_node get built before it is given a name, we need to
13342 give those variants the name, too.
13343 (complete_array_type): We need to work with the canonical main
13344 type of the array, from which we will build the qualified version.
13345 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
13346 * print-tree.c (print_node): Display canonical type information
13348 * stor-layout.c (layout_type): When we don't know the
13349 alignment of a type for which we're building an array, we end up
13350 guessing wrong, so make the type require structural equality.
13351 * tree.c (make_node_stat): When we build a new type, it is its
13352 own canonical type.
13353 (build_type_attribute_qual_variant): When building an attribute
13354 variant, its canonical type is the non-attribute variant. However,
13355 if the attributes are target-dependent and they differ, we need to
13356 use structural equality checks for this type.
13357 (build_qualified_type): A qualified type is not equivalent to its
13358 unqualified variant; set the canonical type appropriately.
13359 (build_distinct_type_copy): When building a distinct type from
13360 another type, the new type is its own canonical type.
13361 (build_variant_type_copy): When building a new type variant, we
13362 assume that it is equivalent to the original type.
13363 (build_pointer_type_for_mode): When building a pointer type, also
13364 build a canonical type pointer.
13365 (build_reference_type_for_mode): When building a reference type,
13366 also build a canonical type reference.
13367 (build_index_type): When we can't hash an index type (e.g.,
13368 because its maximum value is negative), the index type requires
13369 structural equality tests.
13370 (build_array_type): Build the canonical form of an array type.
13371 (build_function_type): Function types require structural equality,
13372 because they contain default arguments, attributes, etc.
13373 (build_method_type_directly): Ditto for method types.
13374 (build_offset_type): Build the canonical offset type.
13375 (build_complex_type): Build the canonical vector type.
13376 (make_vector_type): Build the canonical vector type.
13377 * tree.h (TYPE_CANONICAL): New.
13378 (TYPE_STRUCTURAL_EQUALITY_P): New.
13379 (SET_TYPE_STRUCTURAL_EQUALITY): New.
13380 (struct tree_type): Added "canonical" field.
13381 * params.h (VERIFY_CANONICAL_TYPES): New.
13382 * doc/c-tree.texi (TYPE_CANONICAL): Document.
13383 (TYPE_STRUCTURAL_EQUALITY_P): Document.
13384 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
13385 * doc/invoke.texi (verify-canonical-types): Document --param
13386 parameter for verifying canonical types.
13388 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13390 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
13391 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
13392 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
13393 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
13395 * config/rs6000/e500.h: New.
13396 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
13397 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
13399 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
13400 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
13401 TARGET_E500_DOUBLE): Remove.
13402 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
13403 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
13404 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
13405 * config/rs6000/rs6000.c (rs6000_override_options): Use
13406 CHECK_E500_OPTIONS.
13408 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13410 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
13411 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
13412 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
13413 rs6000_emit_cmove): Don't check TARGET_E500.
13414 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
13415 sordered): Don't check TARGET_E500.
13417 2007-01-01 Eric Christopher <echristo@apple.com>
13419 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
13420 HARD_REGISTER_NUM_P.
13422 2007-01-01 Roger Sayle <roger@eyesopen.com>
13424 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
13425 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
13426 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
13429 2007-01-01 Mike Stump <mrs@apple.com>
13431 * configure.ac: Remove support for building with Apple's gcc-3.1.
13433 2007-01-02 Joseph Myers <joseph@codesourcery.com>
13435 PR middle-end/30311
13436 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
13437 REG is a hard register. Do not modify REG before calling
13439 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
13440 multiple of the size of YMODE for certain lowpart cases.
13442 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13444 PR middle-end/30253
13445 * gimplify (voidify_wrapper_expr): Update for
13446 GIMPLE_MODIFY_STMT.
13448 2007-01-01 Andreas Schwab <schwab@suse.de>
13451 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
13452 save of BR0 in extra_spill_size instead of spill_size.
13453 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
13455 (ia64_expand_epilogue): Restore BR0 from its new location.
13457 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13459 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
13460 Use a temporary variable if the left hand side is not a gimple
13463 2007-01-01 Andrew Pinski <pinskia@gmail.com>
13465 * gimplify.c (gimplify_return_expr): Make the temporary variable
13466 for the return expression, a gimple register variable.
13468 2007-01-01 Jan Hubicka <jh@suse.cz>
13470 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
13473 2007-01-01 Mike Stump <mrs@apple.com>
13475 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
13477 * config/darwin.c (machopic_select_rtx_section): Use
13478 HAVE_GAS_LITERAL16.
13479 (darwin_mergeable_constant_section): Likewise.
13480 * configure: Regenerate.
13481 * config.in: Regenerate.
13483 2007-01-01 Jan Hubicka <jh@suse.cz>
13484 Andrew Pinski <pinskia@gmail.com>
13486 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
13487 before starting IPA passes.